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CN117023920B - Intelligent water purification system based on Internet of things - Google Patents

Intelligent water purification system based on Internet of things Download PDF

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Publication number
CN117023920B
CN117023920B CN202311301199.7A CN202311301199A CN117023920B CN 117023920 B CN117023920 B CN 117023920B CN 202311301199 A CN202311301199 A CN 202311301199A CN 117023920 B CN117023920 B CN 117023920B
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value
subunit
aqueous solution
chromaticity
calcium ion
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CN117023920A (en
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孙海峰
张建民
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Weifang Hengyuan Green Water Treatment Equipment Co ltd
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Weifang Hengyuan Green Water Treatment Equipment Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The invention relates to the field of water treatment, in particular to an intelligent water purification system based on the Internet of things, which comprises: the data acquisition module acquires an initial calcium ion content value, an initial pH value and an initial chromaticity value in the aqueous solution to be treated; the data analysis module is transferred into the first transfer bin when the initial calcium ion content value is smaller than or equal to the preset calcium ion content value, and a conveying path is determined according to the comparison result of the initial pH value and the preset pH value range and the real-time chromaticity and the preset chromaticity value; the control module obtains a first treated aqueous solution and a real-time pH value when the initial calcium ion content value is larger than a preset calcium ion content value, obtains a second treated aqueous solution and a real-time chromaticity value when the real-time pH value is not within a preset pH value range, and obtains a process aqueous solution when the real-time chromaticity value is larger than the preset chromaticity value; and the rechecking module detects the actual calcium ion content value, the pH value and the chromaticity value of the process aqueous solution and acquires the target aqueous solution. The invention improves the efficiency of the water treatment process.

Description

Intelligent water purification system based on Internet of things
Technical Field
The invention relates to the field of water treatment, in particular to an intelligent water purification system based on the Internet of things.
Background
Currently, global water treatment technologies mainly cover three strategies, physical filtration, chemical treatment, and biotechnology. Firstly, the physical filtration is carried out by means of multi-stage filtration equipment, so that suspended particles, sediment and other impurities in the aqueous solution are filtered one by one, and the quality of the aqueous solution is clear. The chemical treatment is based on the principle of chemical reaction, and uses various magic modes such as adsorbent, separation membrane, ozone oxidation and the like to specifically aim at harmful substances in the aqueous solution. Among the various chemical treatment techniques, reverse Osmosis (RO) techniques are the most widely used and commonly used. The method uses high pressure to force the water solution to pass through the semipermeable membrane, and the process can remove harmful substances such as macromolecules, heavy metals, ions and the like, and finally the clean water solution which meets the standard is obtained. The biotechnology is to remove organic matters, tiny particles and other pollutants from an aqueous solution by means of the force of microorganisms.
The patent document with Chinese patent publication number CN115626744A discloses a system device capable of filtering, purifying, sterilizing and heating an aqueous solution discharged by an inductive switch, which comprises: the water purifier comprises a shell, wherein a working cavity is arranged in the shell, an aqueous solution tank and a controller are arranged in the working cavity, a water purifying device and a sterilizing device are arranged in a filter cavity of the aqueous solution tank, a water inlet pipe and a water outlet pipe are respectively arranged on the water purifying device, a water outlet heating device is arranged on the water outlet pipe, and the water outlet heating device is electrically connected with the controller; injecting tap water solution into the water solution tank through the water solution inlet pipe, filtering the tap water solution through the filtering device to remove heterochromatic, peculiar smell, residual chlorine, partial organic matters, partial bacteria, colloid, visible matters and the like, and then further sterilizing the tap water solution in the water solution tank through the sterilizing device to ensure that the tap water solution is clean and sterile; and when the hot water solution is needed, the purified water solution is heated and discharged through the water solution heating device to obtain the hot water solution.
In the prior art, the whole water treatment process is complex, and a plurality of working procedures are needed, so that the efficiency of the water treatment process is low.
Disclosure of Invention
Therefore, the intelligent water purifying system based on the Internet of things can sequentially detect the calcium ion content value, the pH value and the chromaticity value of the aqueous solution, compare the values with preset values respectively corresponding to the values, and select different treatment paths according to comparison results, so that the problem of low efficiency of the water treatment process is solved.
In order to achieve the above object, the present invention provides an intelligent water purification system based on the internet of things, comprising:
the data acquisition module is used for detecting the content value of calcium ions in the water solution to be treated in the water storage solution bin through an atomic absorption spectrometry to obtain an initial content value of calcium ions in the water solution to be treated, detecting the pH value in the water solution to be treated according to a pH meter to obtain an initial pH value of the water solution to be treated, and detecting the chromaticity value in the water solution to be treated through a spectrophotometer to obtain an initial chromaticity value of the water solution to be treated;
the data analysis module is connected with the data acquisition module and used for comparing the initial calcium ion content value with a preset calcium ion content value, and when the initial calcium ion content value is smaller than or equal to the preset calcium ion content value, the to-be-treated aqueous solution is transferred into the first transfer bin so as to determine the conveying path of the to-be-treated aqueous solution according to the comparison result of comparing the initial pH value of the to-be-treated aqueous solution with a preset pH value range and the comparison result of comparing the real-time chromaticity with a preset chromaticity value;
The control module is connected with the data analysis module and used for transferring the aqueous solution to be treated into a calcium ion treatment unit when the initial calcium ion content value is larger than the preset calcium ion content value, obtaining a first aqueous solution to be treated, detecting the real-time pH value of the first aqueous solution to be treated in real time, transferring the aqueous solution to be treated into a pH value treatment unit when the real-time pH value is not in the preset pH value range, obtaining a second aqueous solution to be treated, detecting the real-time chromaticity value of the second aqueous solution to be treated in real time, and transferring the aqueous solution to be treated into a chromaticity treatment unit when the real-time chromaticity value is larger than the preset chromaticity value, and obtaining a process aqueous solution;
and the rechecking module is connected with the control module and used for detecting the actual calcium ion content value, the actual pH value and the actual chromaticity value of the process aqueous solution, and if the detection result shows that the process aqueous solution meets the aqueous solution standard, the process of the aqueous solution to be treated is completed, and the target aqueous solution is obtained.
Further, the data acquisition module comprises a calcium ion content acquisition unit, a pH value acquisition unit and a chromaticity value acquisition unit, wherein,
The calcium ion content acquisition unit is used for detecting the calcium ion content value in the water solution to be treated through an atomic absorption spectrometry to obtain an initial calcium ion content value;
the pH value acquisition unit is used for taking a plurality of 5ml samples of the aqueous solution to be treated, detecting the plurality of samples according to a pH meter, obtaining a plurality of pH values, calculating a mean value of the plurality of pH values, and taking the mean value pH value as an initial pH value;
the chromaticity value acquisition unit is used for taking a plurality of 5ml samples of the aqueous solution to be treated, detecting the plurality of samples according to a spectrophotometer to obtain a plurality of chromaticity values, counting the plurality of chromaticity values, and selecting the chromaticity value with the largest duty ratio in the plurality of chromaticity values as an initial chromaticity value.
Further, the calcium ion content acquisition unit comprises a sampling subunit, a light intensity value detection subunit, a comparison subunit and a calcium ion content acquisition subunit, wherein,
the sampling subunit samples the aqueous solution to be treated to obtain a plurality of samples;
the light intensity value detection subunit is connected with the sampling subunit and is used for detecting a plurality of samples through an atomic absorption spectrometer to obtain a plurality of light intensity values;
The comparison subunit is connected with the light intensity value detection subunit and is used for drawing a plurality of light intensity values in a standard calcium-light intensity curve, correcting the plurality of light intensity values according to an interpolation method and obtaining a plurality of calcium ion content values corresponding to the plurality of light intensity values;
the calcium ion content obtaining subunit is connected with the comparison subunit and is used for extracting the calcium ion content value with the largest proportion among the plurality of calcium ion content values and taking the calcium ion content value as an initial calcium ion content value.
Further, the contrast subunit is configured to correct a plurality of the light intensity values according to an interpolation method, wherein,
setting the light intensity value as x, wherein the light intensity value is equal to the known light intensity value x a And a known light intensity value x b Between, the known light intensity value x a And a known light intensity value x b The corresponding calcium ion content values are y respectively a And y b The light intensity valueThe calcium ion content value y corresponding to x is y=y a +[（x-x b ）/（x b- x a ）]×（y b- y a ）。
Further, the calcium ion treatment unit comprises a pretreatment subunit, an ion exchange subunit, a collection subunit and a detection subunit, wherein,
the pretreatment subunit is used for removing suspended particles in the water solution to be treated through an activated carbon filtering structure arranged at the upper end of the first treatment bin, and enabling the removed water solution to be treated to flow through a diversion structure arranged at the lower end of the activated carbon filtering structure and enter an ion exchange structure;
The ion exchange subunit is connected with the pretreatment subunit and is used for adsorbing calcium ions in the aqueous solution to be treated through an ion exchange resin layer arranged in the ion exchange structure;
the collecting subunit is connected with the ion exchange subunit and used for transferring the water solution to be treated after ion exchange into a first transfer bin to obtain a first water solution to be treated;
and the detection subunit is connected with the collection subunit and is used for detecting the content value of the calcium ions in the first treatment aqueous solution in the first switching bin, obtaining a first calcium ion content value, comparing the first calcium ion content value with the preset calcium ion content value, carrying out ion exchange treatment again if the first calcium ion content value is larger than the preset calcium ion content value, and carrying out pH value detection on the first treatment aqueous solution if the first calcium ion content value is smaller than or equal to the preset calcium ion content value to obtain a first pH value.
Further, the pH value processing unit comprises a comparison subunit, a transfer subunit, a reaction subunit and an acquisition subunit, wherein,
the comparison subunit is used for comparing the first pH value with the preset pH value range to obtain a comparison result;
The transfer subunit is configured to transfer the first aqueous treatment solution into a reaction bin in a second treatment bin when the first pH value of the first aqueous treatment solution is not within the preset pH value range, so as to obtain an aqueous solution to be reacted;
the reaction subunit is connected with the transfer subunit and is used for calculating the range of adding the regulator in the aqueous solution to be reacted according to the first pH value and the preset pH value range, stirring is carried out in the process of adding the regulator, the pH value of the aqueous solution to be reacted after stirring is detected by the pH meter, when the pH value is not in the preset pH value range, the regulator is continuously added until the pH value is in the preset pH value range, and when the pH value is in the preset pH value range, the regulator is stopped being added;
the obtaining subunit is connected with the reaction subunit and used for discharging the aqueous solution which is subjected to standing and precipitation in the reaction bin to the second switching bin, obtaining a second treatment aqueous solution and discharging the precipitate in the reaction bin to the discharging bin through the discharging mechanism.
Further, the reaction subunit is configured to calculate a range of adding the regulator according to the first pH value and the preset pH value range, wherein,
And if the first pH value is a, the preset pH value range is R, and the regulating dosage required by each unit of pH change is b, the range Q of the additive regulator is Q= (R-a)/b.
Further, the chrominance processing unit comprises a chrominance detection subunit, a processing subunit, a mixing subunit, an adsorption subunit and an illumination subunit, wherein,
the chromaticity detection subunit is used for detecting chromaticity values in the second treated water solution to be first chromaticity values through the spectrophotometer, and comparing the first chromaticity values with the preset chromaticity values to obtain comparison results;
the processing subunit is connected with the chromaticity detection subunit and used for transferring the second aqueous solution to be processed into the third processing bin when the first chromaticity value is larger than the preset chromaticity value to obtain an aqueous solution to be processed with the first chromaticity;
the mixing subunit is connected with the processing subunit and used for adding a dosage of oxidant within a preset range into the first chromaticity water solution to be processed, and performing primary processing on the chromaticity water solution to be processed to obtain a second chromaticity water solution to be processed;
the adsorption subunit is connected with the mixing subunit and used for enabling the second chromaticity aqueous solution to pass through the activated carbon adsorption layer to obtain a third chromaticity aqueous solution to be treated;
The illumination subunit is connected with the adsorption subunit and used for irradiating the third chromaticity aqueous solution to be treated in the ultraviolet irradiation bin for a preset time period to obtain a process aqueous solution.
Further, the rechecking module comprises a detecting unit, a comparing unit and a reprocessing unit, wherein,
the detection unit is used for detecting the calcium ion content value in the process aqueous solution through an atomic absorption spectrometry to obtain a second calcium ion content value, detecting the process aqueous solution according to a pH meter to obtain a second pH value, and detecting the process aqueous solution according to a spectrophotometer to obtain a second chromaticity value;
the comparison unit is connected with the detection unit and used for comparing the second calcium ion content value with the preset calcium ion content value to obtain a calcium ion content value comparison result, comparing the second pH value with the preset pH value range to obtain a pH comparison result, and comparing the second chromaticity value with the preset chromaticity value to obtain a chromaticity comparison result;
the reprocessing unit is connected with the comparing unit and is used for reprocessing the process water solution according to the comparison result of the calcium ion content value, the pH comparison result and/or the chromaticity comparison result.
Further, the reprocessing unit comprises a discrimination subunit and a reprocessing subunit, wherein,
the judging subunit is configured to judge that the second calcium ion content value is greater than the preset calcium ion content value, the second pH value is not in the preset pH value range, and/or the second chromaticity value is greater than the preset chromaticity value;
the reprocessing subunit is connected with the judging subunit, and is used for transferring the process aqueous solution into the first processing bin when the second calcium ion content value is larger than the preset calcium ion content value, processing calcium ions in the aqueous solution to be processed through an ion exchange method, adjusting the second pH value to be in the preset pH value range through the second processing bin when the second pH value is not in the preset pH value range, and adjusting the chromaticity value of the second processing aqueous solution to be smaller than or equal to the preset chromaticity value through the third processing bin when the second chromaticity value is larger than the preset chromaticity value, so as to obtain the target aqueous solution.
Compared with the prior art, the invention has the beneficial effects that the data acquisition module is arranged to detect the calcium ion content value in the water solution to be treated through the atomic absorption spectrometry, so that the system can accurately acquire the initial calcium ion content value, so that the initial calcium ion content value is compared with the preset calcium ion content value, the calcium ion content in the water solution is ensured to meet the requirement in the water treatment process of the subsequent system, the safety of the water solution is ensured, the pH value in the water solution to be treated is detected through the pH meter, the detection result is compared with the preset pH value range, the pH value of the target water solution acquired in the subsequent water treatment process of the system is ensured to meet the requirement, the system ensures the safety of the water solution, the chromaticity value in the water solution to be treated is detected through the spectrophotometer, and the chromaticity value is compared with the preset chromaticity value, ensuring that the water solution quality in the subsequent water treatment process of the system is clear and transparent, enabling the water solution quality to meet the water solution specification, processing and comparing the water solution quality according to collected data by arranging the data analysis module, enabling the system to control the treatment process of the water solution to be treated according to detection results, realizing automatic control, monitoring and processing the water solution to be treated by the technology of the Internet of things by transmitting the data obtained by the data collection module to the Internet of things, enabling the water treatment process to be more intelligent, shunting the water solution to be treated by arranging the control module, determining whether calcium ion treatment, pH value adjustment or chromaticity treatment is needed according to detection results, ensuring that the quality of the target water solution meets the requirements, ensuring the standardization and safety of the water solution, enabling the system to improve the efficiency of the safety treatment process of the water solution, the re-detection module is arranged to re-detect the processed aqueous solution, so that the quality of the target aqueous solution meets the aqueous solution standard, the stability and reliability of the aqueous solution are ensured, the requirements of users on high-quality drinking water solution can be met, and the quality of life and the level of healthy aqueous solution are improved.
In particular, the method comprises the steps of detecting the calcium ion content value in the aqueous solution to be treated by the calcium ion content acquisition unit through an atomic absorption spectrometry to obtain an initial calcium ion content value, accurately reflecting the calcium ion content in the aqueous solution to be treated, improving the accuracy of system detection, detecting the sample according to a pH meter by setting the pH value acquisition unit to obtain a plurality of 5ml samples of the aqueous solution to be treated, obtaining a plurality of pH values, calculating a pH value average value, taking the average value pH value as the initial pH value, avoiding single sampling error caused by uneven aqueous solution quality, improving the accuracy of the pH value by calculating the average value, detecting the sample according to a spectrophotometer by setting the pH value acquisition unit to obtain a plurality of 5ml samples of the aqueous solution to be treated, and selecting the colorimetric value with the largest ratio of the plurality of colorimetric values as the initial colorimetric value, so that the system can obtain the whole colorimetric condition of the aqueous solution to be detected more accurately, rather than being limited to a single sampling point, and the system can obtain the initial colorimetric value.
In particular, the sampling subunit is arranged to sample the aqueous solution to be treated to obtain a plurality of samples, so that the representativeness and the comprehensiveness of the samples are ensured, a reliable data basis is provided for subsequent detection, the light intensity detection subunit is arranged to detect the samples by using an atomic absorption spectrometer to obtain a plurality of light intensity values, the atomic absorption spectrometer is used to detect calcium ions, the detection result is accurate, so that the calcium ion content in the samples is accurately reflected, the comparison subunit is arranged to draw a plurality of light intensity values in a standard calcium-light intensity curve, the light intensity values are corrected according to an interpolation method, the calcium ion content values corresponding to a plurality of light intensity values are obtained, the error values in a plurality of light intensity values are corrected, the accuracy of data is improved, the calcium ion content obtaining subunit is arranged to extract the calcium ion content value with the largest proportion among a plurality of calcium ion content values, the calcium ion content value is used as an initial calcium ion content value, the system avoids single sampling error caused by the non-uniformity of the aqueous solution, and the accuracy of the calcium ion content value is improved by selecting the initial calcium ion content value with the largest proportion.
In particular, the activated carbon filtering structure is used for removing suspended particles in the aqueous solution to be treated by the pretreatment subunit, so that the influence of the suspended particles on subsequent treatment is avoided, meanwhile, the removed aqueous solution to be treated is transferred into the ion exchange tank in the first treatment bin, conditions are provided for subsequent ion exchange treatment, calcium ions in the aqueous solution to be treated can be effectively removed by the ion exchange resin layer arranged in the ion exchange structure, in addition, the ion exchange resin can be recycled, the treatment cost is reduced, the aqueous solution to be treated after ion exchange is transferred into the first transfer bin, the first aqueous solution to be treated is obtained, the collection and storage of the treated water are convenient, the subsequent treatment and the utilization of the aqueous solution are facilitated, the first calcium ion content value is obtained by setting the detection subunit to detect the calcium ion content value in the first aqueous solution in the first transfer bin, and is compared with the first calcium ion content value, if the first calcium ion content value is larger than the preset calcium ion content value, the first aqueous solution is subjected to the preset calcium ion content value again, and the safety of the aqueous solution meets the first water content value of the preset calcium ions is guaranteed, and the safety of the user aqueous solution is ensured.
In particular, the comparison subunit is arranged to compare the first pH value with the preset pH value range, a comparison result is obtained, and whether the water solution to be treated or the first water solution to be treated needs to enter the pH value treatment unit for treatment is determined according to the comparison result, so that a foundation is provided for the subsequent treatment of the acid-base property in the water solution, when the initial pH value of the water solution to be treated is not in the preset pH value range or the first pH value of the first water solution to be treated is not in the preset pH value range, the water solution to be treated or the first water solution to be treated is transferred into the reaction bin in the second treatment bin, the water solution to be reacted is obtained, the water solution with the pH value which does not accord with the preset range is treated, the efficiency of the system in the water treatment process is improved, the safety of the aqueous solution is guaranteed, the range of the added regulator is calculated according to the initial pH value or the first pH value and the preset pH value range by setting the reaction subunit, stirring is carried out in the process of adding the regulator, the system accurately controls the added regulating dose, the pH value is ensured to be in the preset range, waste is avoided, the aqueous solution and the regulator fully react by stirring, the reaction efficiency is improved, the aqueous solution after standing and precipitating in the reaction bin is discharged to the second switching bin by setting the acquisition subunit, the second treated aqueous solution is acquired, the precipitate in the reaction bin is discharged to the discharge bin by the discharge mechanism, the influence of the precipitate on subsequent treatment is avoided, and meanwhile, the treated aqueous solution is collected so as to carry out subsequent treatment.
In particular, the chromaticity detection subunit is arranged to detect the chromaticity value in the second aqueous solution by using the spectrophotometer, the first chromaticity value is obtained and compared with the preset chromaticity value, and a comparison result is obtained, so that a reference is provided for the subsequent treatment for the chromaticity condition of the second aqueous solution, when the initial chromaticity value is larger than the preset chromaticity value or the first chromaticity value is larger than the preset chromaticity value, the aqueous solution to be treated or the second aqueous solution to be treated is transferred into the third treatment bin to obtain the first aqueous solution to be treated, the efficiency of the system treatment process is improved, a certain dosage of oxidant is added into the aqueous solution to be treated by the mixed subunit, the second aqueous solution to be treated is obtained, the oxidative decomposition of organic pollutants is promoted by the action of the oxidant, the chromaticity of the aqueous solution to be treated is reduced, the second aqueous solution to be treated is further subjected to the ultraviolet irradiation of the ultraviolet light irradiation system, the aqueous solution is further reduced by the ultraviolet irradiation of the ultraviolet light irradiation system, and the ultraviolet light irradiation system is further reduced.
Drawings
Fig. 1 is a block diagram of an intelligent water purification system based on the internet of things according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an intelligent water purification system based on the internet of things, which is provided by the embodiment of the invention;
fig. 3 is a second structural block diagram of an intelligent water purification system based on the internet of things according to an embodiment of the present invention;
fig. 4 is a third structural block diagram of an intelligent water purification system based on the internet of things according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 and 2, the present invention provides an intelligent water purification system based on the internet of things, comprising:
the data acquisition module 100 is used for detecting the content value of calcium ions in the water solution to be treated in the water storage solution bin through an atomic absorption spectrometry to obtain an initial content value of calcium ions in the water solution to be treated, detecting the pH value in the water solution to be treated according to a pH meter to obtain an initial pH value of the water solution to be treated, and detecting the chromaticity value in the water solution to be treated through a spectrophotometer to obtain an initial chromaticity value of the water solution to be treated;
The data analysis module 200 is connected with the data acquisition module 100, and is used for comparing the initial calcium ion content value with a preset calcium ion content value, and when the initial calcium ion content value is smaller than or equal to the preset calcium ion content value, transferring the aqueous solution to be treated into a first transfer bin so as to determine a conveying path of the aqueous solution to be treated according to a comparison result of comparing the initial pH value of the aqueous solution to be treated with a preset pH value range and a comparison result of comparing real-time chromaticity with a preset chromaticity value;
the control module 300 is connected with the data analysis module 200, and is configured to transfer the aqueous solution to be treated into a calcium ion treatment unit when the initial calcium ion content value is greater than the preset calcium ion content value, obtain a first aqueous solution to be treated, and detect the real-time pH value of the first aqueous solution to be treated in real time, transfer the aqueous solution to be treated into a pH value treatment unit when the real-time pH value is not within the preset pH value range, obtain a second aqueous solution to be treated, and detect the real-time chromaticity value of the second aqueous solution to be treated in real time, and transfer the aqueous solution to be treated into a chromaticity treatment unit when the real-time chromaticity value is greater than the preset chromaticity value, so as to obtain an aqueous solution to be treated;
And the rechecking module 400 is connected with the control module 300 and is used for detecting the actual calcium ion content value, the actual pH value and the actual chromaticity value of the process aqueous solution, and if the detection result shows that the process aqueous solution meets the aqueous solution standard, the process of the aqueous solution to be treated is completed, and the target aqueous solution is obtained.
Specifically, in the embodiment of the invention, the preset calcium ion content value (calculated by calcium carbonate) is 450mg/L, the preset pH value range is 6.5-8.5, and the preset chromaticity value is 15 degrees.
Specifically, the embodiment of the invention detects the calcium ion content value in the aqueous solution to be treated through the atomic absorption spectrometry by setting the data acquisition module 100, so that the system accurately acquires the initial calcium ion content value, and then compares the initial calcium ion content value with the preset calcium ion content value, thereby ensuring that the calcium ion content in the aqueous solution meets the requirement in the subsequent system aqueous treatment process, ensuring the safety of the aqueous solution, detecting the pH value in the aqueous solution to be treated through the pH meter, comparing the detection result with the preset pH value range, ensuring that the pH value of the target aqueous solution acquired in the subsequent system aqueous treatment process meets the requirement, ensuring that the system ensures the safety of the aqueous solution, detecting the chromaticity value in the aqueous solution to be treated through the spectrophotometer, comparing the chromaticity value with the preset chromaticity value, ensuring that the aqueous solution in the subsequent system aqueous treatment process is clear and transparent, ensuring that the water solution meets the water solution specification, automatically controlling the pH value of the aqueous solution to be treated through the system according to the acquired data by setting the data analysis module 200, ensuring that the system control is performed according to the acquired data, automatically controlling the pH value of the aqueous solution to be treated, ensuring that the aqueous solution to be treated is better in accordance with the water solution quality control module, ensuring that the water treatment process is required to be controlled by the intelligent regulation of the pH value, ensuring that the aqueous solution is better meets the water treatment process, and ensuring the safety of the water treatment module, or the water quality is better by the water treatment module, and the water quality control module is required to be controlled according to the acquired by the acquired through the data acquisition module, or the Internet of the water quality control module, and the water quality control module according to the water quality control process, the re-inspection module 400 is arranged to re-detect the processed aqueous solution, so that the quality of the target aqueous solution meets the aqueous solution standard, the stability and reliability of the aqueous solution are ensured, the requirements of users on high-quality drinking water solution can be met, and the quality of life and the level of healthy aqueous solution are improved.
Referring to fig. 3, the data acquisition module 100 includes a calcium ion content acquisition unit 101, a pH value acquisition unit 102, and a colorimetric value acquisition unit 103, wherein,
the calcium ion content acquisition unit 101 is configured to detect a calcium ion content value in the aqueous solution to be treated by using an atomic absorption spectrometry to obtain an initial calcium ion content value;
the pH value collection unit 102 is configured to take a plurality of 5ml samples from the aqueous solution to be treated, detect the plurality of samples according to a pH meter, obtain a plurality of pH values, calculate an average value of the plurality of pH values, and use the average pH value as an initial pH value;
the colorimetric value collection unit 103 is configured to take a plurality of 5ml samples of the aqueous solution to be treated, detect the plurality of samples according to a spectrophotometer, obtain a plurality of colorimetric values, count the plurality of colorimetric values, and select a colorimetric value with a maximum duty ratio among the plurality of colorimetric values as an initial colorimetric value.
Specifically, in the embodiment of the invention, the calcium ion content value in the aqueous solution to be treated is detected by setting the calcium ion content acquisition unit 101 through an atomic absorption spectrometry, the initial calcium ion content value is obtained, the calcium ion content in the aqueous solution to be treated is accurately reflected, the accuracy of system detection is improved, the pH value acquisition unit 102 is set to take a plurality of 5ml samples of the aqueous solution to be treated, the samples are detected according to a pH meter, a plurality of pH values are obtained, then a pH value mean value is calculated, the mean value pH value is taken as the initial pH value, single sampling errors caused by uneven aqueous solution quality are avoided, the accuracy of the pH value is improved through calculating the mean value, the sample is taken for the aqueous solution to be treated by setting the chroma value acquisition unit 103, the sample is detected according to a spectrophotometer, the chroma value with the largest ratio among the chroma values is selected as the initial chroma value, the overall condition of the aqueous solution to be detected by the system is more accurately obtained, and the system is not limited to a single sampling point, and the initial chroma value is accurately obtained by the system.
Specifically, the calcium ion content acquisition unit 101 includes a sampling subunit, a light intensity value detection subunit, a comparison subunit, and a calcium ion content acquisition subunit, wherein,
the sampling subunit samples the aqueous solution to be treated to obtain a plurality of samples;
the light intensity value detection subunit is connected with the sampling subunit and is used for detecting a plurality of samples through an atomic absorption spectrometer to obtain a plurality of light intensity values;
the comparison subunit is connected with the light intensity value detection subunit and is used for drawing a plurality of light intensity values in a standard calcium-light intensity curve, correcting the plurality of light intensity values according to an interpolation method and obtaining a plurality of calcium ion content values corresponding to the plurality of light intensity values;
the calcium ion content obtaining subunit is connected with the comparison subunit and is used for extracting the calcium ion content value with the largest proportion among the plurality of calcium ion content values and taking the calcium ion content value as an initial calcium ion content value.
Specifically, the embodiment of the invention obtains a plurality of samples by setting the sampling subunit to sample the aqueous solution to be treated, so that the representativeness and the comprehensiveness of the samples are ensured, a reliable data basis is provided for subsequent detection, the sample is detected by setting the light intensity value detection subunit by using an atomic absorption spectrometer, a plurality of light intensity values are obtained, the detection result is accurate by using the atomic absorption spectrometer to detect calcium ions, so that the calcium ion content in the sample is accurately reflected, the light intensity values are drawn in a standard calcium-light intensity curve by setting the comparison subunit, the light intensity values are corrected according to an interpolation method, the calcium ion content values corresponding to the light intensity values are obtained, the error value in the plurality of light intensity values is corrected, the accuracy of the data is improved, the calcium ion content value with the largest proportion in the calcium ion content values is extracted by setting the calcium ion content acquisition subunit, and the calcium ion content value is used as an initial calcium ion content value, the system avoids single sampling error caused by uneven aqueous solution, and the accuracy of the calcium ion content value is improved by selecting the initial calcium ion content value with the largest proportion.
In particular, the contrast subunit is configured to correct a number of the light intensity values according to an interpolation method, wherein,
setting the light intensity value as x, wherein the light intensity value is equal to the known light intensity value x a And a known light intensity value x b Between, the known light intensity value x a And a known light intensity value x b The corresponding calcium ion content values are y respectively a And y b The calcium ion content value y corresponding to the light intensity value x is y=y a +[（x-x b ）/（x b- x a ）]×（y b- y a ）。
Specifically, the embodiment of the invention corrects the light intensity value by an interpolation method, so that the system accurately determines the corresponding relation between the light intensity value and the calcium ion content value, and the accuracy of acquiring the initial calcium ion content value data is improved.
Referring to fig. 2, the calcium ion processing unit includes a pretreatment subunit, an ion exchange subunit, a collection subunit, and a detection subunit, wherein,
the pretreatment subunit is used for removing suspended particles in the water solution to be treated through an activated carbon filtering structure arranged at the upper end of the first treatment bin, and enabling the removed water solution to be treated to flow through a diversion structure arranged at the lower end of the activated carbon filtering structure and enter an ion exchange structure;
the ion exchange subunit is connected with the pretreatment subunit and is used for adsorbing calcium ions in the aqueous solution to be treated through an ion exchange resin layer arranged in the ion exchange structure;
The collecting subunit is connected with the ion exchange subunit and used for transferring the water solution to be treated after ion exchange into a first transfer bin to obtain a first water solution to be treated;
and the detection subunit is connected with the collection subunit and is used for detecting the content value of the calcium ions in the first treatment aqueous solution in the first switching bin, obtaining a first calcium ion content value, comparing the first calcium ion content value with the preset calcium ion content value, carrying out ion exchange treatment again if the first calcium ion content value is larger than the preset calcium ion content value, and carrying out pH value detection on the first treatment aqueous solution if the first calcium ion content value is smaller than or equal to the preset calcium ion content value to obtain a first pH value.
Referring to fig. 2, the first treatment bin a includes an inlet 2, an activated carbon filtering structure 3, an ion exchange tank inlet 4, an ion exchange tank 5, an ion exchange resin layer 6, a first through hole 7, a second through hole 8 and a diversion structure 9, the activated carbon filtering structure 3 is fixed at the top of the first treatment bin a, the lower end of the activated carbon filtering structure 3 is fixedly connected with the diversion structure 9, the lower end of the diversion structure 9 is fixedly connected with an opening at the upper end of the ion exchange tank 4, and the ion exchange resin layer 6 is fixedly arranged in a conduit in the ion exchange tank 5.
Specifically, the embodiment of the invention removes suspended particles in the water solution to be treated by setting the pretreatment subunit and using the activated carbon filtering structure, so as to avoid the influence of the suspended particles on subsequent treatment, meanwhile, the removed water solution to be treated is transferred into the ion exchange tank in the first treatment bin to provide conditions for subsequent ion exchange treatment, the ion exchange resin layer arranged in the ion exchange structure is used for adsorbing calcium ions in the water solution to be treated, so that the calcium ions in the water to be treated can be effectively removed, in addition, the ion exchange resin is renewable and reusable, the treatment cost is reduced, the water solution to be treated after ion exchange is transferred into the first transfer bin to obtain the first treatment water solution, so that the collection and storage of the water after treatment are convenient, the subsequent treatment and the utilization of the water solution are convenient, the detection subunit is arranged for detecting the content value of the calcium ions in the first treatment water solution in the first transfer bin, the first calcium ion content value is obtained, and is compared with the preset calcium ion content value, if the first calcium ion content value is larger than the preset calcium ion content value, and the water content value meets the preset calcium ion content standard, and the safety of the water solution is ensured to reach the safety of the water content of the first user.
Referring to fig. 2, the pH processing unit includes a comparing subunit, a transferring subunit, a reacting subunit, and an obtaining subunit, wherein,
the comparison subunit is used for comparing the first pH value with the preset pH value range to obtain a comparison result;
the transfer subunit is configured to transfer the aqueous solution to be treated or the first aqueous solution to be treated into a reaction bin in a second treatment bin C to obtain an aqueous solution to be reacted when the first pH value of the first aqueous solution to be treated is not within the preset pH value range;
the reaction subunit is connected with the transfer subunit and is used for calculating the range of adding the regulator in the aqueous solution to be reacted according to the first pH value and the preset pH value range, stirring is carried out in the process of adding the regulator, the pH value of the aqueous solution to be reacted after stirring is detected by the pH meter, when the pH value is not in the preset pH value range, the regulator is continuously added until the pH value is in the preset pH value range, and when the pH value is in the preset pH value range, the regulator is stopped being added;
the acquisition subunit is connected with the reaction subunit and is used for discharging the aqueous solution which is subjected to standing and precipitation in the reaction bin to the second switching bin D, acquiring a second treatment aqueous solution and discharging the precipitate in the reaction bin to the discharge bin E through the discharge mechanism.
Referring to fig. 2, the second treatment bin C includes a reaction bin inlet channel 10, a regulator inlet channel 14, a reaction bin 18, a hydraulic driving motor 11, a telescopic rod 12, a scraper 13, and a precipitate outlet 15, wherein the reaction bin inlet channel 10 is fixedly connected with the upper end of the reaction bin 18, the regulator inlet channel 14 is fixedly connected with the upper end of the reaction bin 18, so as to add the regulator into the reaction bin 18, the hydraulic driving motor 11 is fixedly connected with the reaction bin 18, the telescopic rod 12 is slidably connected with the hydraulic driving motor 11, the scraper 13 is fixedly connected with one end of the telescopic rod 12, and the precipitate outlet 15 is fixed at the left lower end of the reaction bin 18.
Specifically, the embodiment of the invention compares the first pH value with the preset pH value range by setting the comparison subunit, obtains the comparison result, determines whether the aqueous solution to be treated or the first aqueous solution to be treated needs to enter the pH value treatment unit for treatment according to the comparison result, provides a basis for subsequent treatment of the pH value in the aqueous solution, and accurately controls the added regulating dose in the process of adding the regulating agent by setting the transfer subunit when the initial pH value of the aqueous solution to be treated is not in the preset pH value range or the first pH value of the first aqueous solution to be treated is not in the preset pH value range, transfers the aqueous solution to be treated or the first aqueous solution to be treated into the reaction bin in the second treatment bin, obtains the aqueous solution to be reacted, realizes the treatment of the aqueous solution with the pH value which does not meet the preset range, improves the efficiency of the system in the aqueous treatment process, ensures the safety of the aqueous solution, and accurately stirs the system according to the initial pH value or the range of the first pH value and the preset pH value range, ensures that the additive is added in the process of the aqueous solution, ensures that the system accurately controls the additive regulating dose, and the sediment is discharged from the subsequent precipitation solution is discharged from the reaction bin through the second treatment bin, and the subsequent precipitation solution is fully discharged from the reaction bin, and the precipitation mechanism is prevented from being subjected to obtain the subsequent precipitation solution.
Specifically, the reaction subunit is configured to calculate a range of adding the regulator according to the first pH value and the preset pH value range, wherein,
and if the first pH value is a, the preset pH value range is R, and the regulating dosage required by each unit of pH change is b, the range Q of the additive regulator is Q= (R-a)/b.
Specifically, the pH value of the system is adjusted in time by calculating the range of adding the regulator, so that the reaction process is ensured to be carried out under the required pH condition, and the reaction rate of the aqueous solution and the regulator is improved.
Specifically, the chromaticity processing unit comprises a chromaticity detection subunit, a processing subunit, a mixing subunit, an adsorption subunit and an illumination subunit, wherein,
the chromaticity detection subunit is used for detecting chromaticity values in the second treated water solution to be first chromaticity values through the spectrophotometer, and comparing the first chromaticity values with the preset chromaticity values to obtain comparison results;
the processing subunit is connected with the chromaticity detection subunit and used for transferring the water solution to be processed or the second water solution to be processed into the third processing bin F when the first chromaticity value is larger than the preset chromaticity value to obtain a first chromaticity water solution to be processed;
The mixing subunit is connected with the processing subunit and used for adding a dosage of oxidant within a preset range into the first chromaticity water solution to be processed, and performing primary processing on the chromaticity water solution to be processed to obtain a second chromaticity water solution to be processed;
the adsorption subunit is connected with the mixing subunit and used for enabling the second chromaticity aqueous solution to pass through the activated carbon adsorption layer to obtain a third chromaticity aqueous solution to be treated;
the illumination subunit is connected with the adsorption subunit and used for irradiating the third chromaticity aqueous solution to be treated in the ultraviolet irradiation bin for a preset time period to obtain a process aqueous solution.
Referring to fig. 2, the third treatment chamber F according to the embodiment of the present invention includes an oxidation reaction chamber 19, an oxidant inlet 22, an activated carbon adsorption layer 20, an ultraviolet irradiation chamber 23, and an ultraviolet lamp 21, wherein the oxidant inlet 22 is fixedly connected to the upper end of the oxidation reaction chamber 19, the activated carbon adsorption layer 20 is fixed to the lower end of the oxidation reaction chamber 19, the ultraviolet irradiation chamber 23 is fixedly connected to the lower end of the activated carbon adsorption layer 20, and the ultraviolet lamp 21 is fixedly connected to both sides of the ultraviolet irradiation chamber 23.
Specifically, the embodiment of the invention uses a spectrophotometer to detect the chromaticity value in the second aqueous solution to obtain a first chromaticity value, compares the first chromaticity value with a preset chromaticity value to obtain a comparison result, so as to provide reference for subsequent treatment for the chromaticity condition of the second aqueous solution, when the initial chromaticity value is larger than the preset chromaticity value or the first chromaticity value is larger than the preset chromaticity value, the aqueous solution to be treated or the second aqueous solution to be treated is transferred into a third treatment bin to obtain the first aqueous solution to be treated, the aqueous solution to be treated is ensured to enter the third treatment bin for treatment only when the chromaticity does not meet the preset requirement, the efficiency of the system treatment process is improved, a certain amount of oxidant is added into the aqueous solution to be treated to obtain the second aqueous solution to be treated through the arrangement of the mixed subunit, the effect of the oxidant promotes the oxidation of organic pollutants to reduce the chromaticity of the aqueous solution to be treated, the chromaticity of the aqueous solution to be treated is reduced, the aqueous solution to be treated is further subjected to the ultraviolet irradiation of the aqueous solution to be treated in the ultraviolet light irradiation stage through the ultraviolet irradiation of the ultraviolet light irradiation system after the first aqueous solution to be treated is further processed by the ultraviolet irradiation of the ultraviolet light irradiation system, the safety of the water solution is ensured.
Referring to fig. 4, the review module 400 includes a detecting unit 401, a comparing unit 402, and a reprocessing unit 403, wherein,
the detecting unit 401 is configured to detect a calcium ion content value in the process aqueous solution by using an atomic absorption spectrometry to obtain a second calcium ion content value, detect the process aqueous solution according to a pH meter to obtain a second pH value, and detect the process aqueous solution according to a spectrophotometer to obtain a second chromaticity value;
the comparing unit 402 is connected to the detecting unit 401, and is configured to compare the second calcium ion content value with the preset calcium ion content value, obtain a comparison result of the calcium ion content value, compare the second pH value with the preset pH value range, obtain a pH comparison result, and compare the second chromaticity value with the preset chromaticity value, so as to obtain a chromaticity comparison result;
the reprocessing unit 403 is connected to the comparing unit 402, and is configured to reprocess the aqueous process solution according to the comparison result of the calcium ion content value, the pH comparison result, and/or the colorimetric comparison result.
Specifically, the embodiment of the invention detects the calcium ion content value in the process aqueous solution through the atomic absorption spectrometry by setting the detecting unit 401 to obtain a second calcium ion content value, simultaneously detects the process aqueous solution according to the pH meter to obtain a second pH value, then detects the process aqueous solution according to the spectrophotometer to obtain a second chromaticity value, comprehensively knows each index of the process aqueous solution, including the calcium ion content value, the pH value and the chromaticity value, compares the second calcium ion content value with the preset calcium ion content value by setting the comparing unit 402 to obtain a calcium ion content value comparison result, compares the second pH value with a preset pH value range to obtain a pH comparison result, compares the second chromaticity value with the preset chromaticity value to obtain a chromaticity comparison result, so that the system judges whether the process aqueous solution meets the preset standard or not, and reprocesses the process aqueous solution according to the calcium ion content comparison result, the pH comparison result and/or the chromaticity comparison result by setting the reprocessing unit 403 until each index meets the preset standard or not, if the process aqueous solution does not meet the preset standard, and the preset index is guaranteed to meet the preset standard.
Specifically, the reprocessing unit 403 includes a discrimination subunit and a reprocessing subunit, wherein,
the judging subunit is configured to judge that the second calcium ion content value is greater than the preset calcium ion content value, the second pH value is not in the preset pH value range, and/or the second chromaticity value is greater than the preset chromaticity value;
the reprocessing subunit is connected with the judging subunit, and is used for transferring the process aqueous solution into the first processing bin when the second calcium ion content value is larger than the preset calcium ion content value, processing calcium ions in the aqueous solution to be processed through an ion exchange method, adjusting the second pH value to be in the preset pH value range through the second processing bin when the second pH value is not in the preset pH value range, and adjusting the chromaticity value of the second processing aqueous solution to be smaller than or equal to the preset chromaticity value through the third processing bin when the second chromaticity value is larger than the preset chromaticity value, so as to obtain the target aqueous solution.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Intelligent water purification system based on thing networking, its characterized in that includes:
the data acquisition module is used for detecting the content value of calcium ions in the water solution to be treated in the water storage solution bin through an atomic absorption spectrometry to obtain an initial content value of calcium ions in the water solution to be treated, detecting the pH value in the water solution to be treated according to a pH meter to obtain an initial pH value of the water solution to be treated, and detecting the chromaticity value in the water solution to be treated through a spectrophotometer to obtain an initial chromaticity value of the water solution to be treated;
the data analysis module is connected with the data acquisition module and used for comparing the initial calcium ion content value with a preset calcium ion content value, and when the initial calcium ion content value is smaller than or equal to the preset calcium ion content value, the to-be-treated aqueous solution is transferred into the first transfer bin so as to determine the conveying path of the to-be-treated aqueous solution according to the comparison result of comparing the initial pH value of the to-be-treated aqueous solution with a preset pH value range and the comparison result of comparing the real-time chromaticity with a preset chromaticity value;
The control module is connected with the data analysis module and used for transferring the aqueous solution to be treated into a calcium ion treatment unit when the initial calcium ion content value is larger than the preset calcium ion content value, obtaining a first aqueous solution to be treated, detecting the real-time pH value of the first aqueous solution to be treated in real time, transferring the aqueous solution to be treated into a pH value treatment unit when the real-time pH value is not in the preset pH value range, obtaining a second aqueous solution to be treated, detecting the real-time chromaticity value of the second aqueous solution to be treated in real time, and transferring the aqueous solution to be treated into a chromaticity treatment unit when the real-time chromaticity value is larger than the preset chromaticity value, and obtaining a process aqueous solution;
the rechecking module is connected with the control module and used for detecting the actual calcium ion content value, the actual pH value and the actual chromaticity value of the process aqueous solution, and if the detection result shows that the process aqueous solution meets the aqueous solution standard, the process of the aqueous solution to be treated is completed, and a target aqueous solution is obtained;
the calcium ion treatment unit comprises a pretreatment subunit, an ion exchange subunit, a collection subunit and a detection subunit, wherein,
The pretreatment subunit is used for removing suspended particles in the water solution to be treated through an activated carbon filtering structure arranged at the upper end of the first treatment bin, and enabling the removed water solution to be treated to flow through a diversion structure arranged at the lower end of the activated carbon filtering structure and enter an ion exchange structure;
the ion exchange subunit is connected with the pretreatment subunit and is used for adsorbing calcium ions in the aqueous solution to be treated through an ion exchange resin layer arranged in the ion exchange structure;
the collecting subunit is connected with the ion exchange subunit and used for transferring the water solution to be treated after ion exchange into a first transfer bin to obtain a first water solution to be treated;
the detection subunit is connected with the collection subunit and is used for detecting the content value of calcium ions in the first treated water solution in the first switching bin, obtaining a first calcium ion content value, comparing the first calcium ion content value with the preset calcium ion content value, carrying out ion exchange treatment again if the first calcium ion content value is larger than the preset calcium ion content value, carrying out pH value detection on the first treated water solution if the first calcium ion content value is smaller than or equal to the preset calcium ion content value, obtaining a first pH value,
The pH value processing unit comprises a comparison subunit, a transfer subunit, a reaction subunit and an acquisition subunit, wherein,
the comparison subunit is used for comparing the first pH value with the preset pH value range to obtain a comparison result;
the transfer subunit is configured to transfer the first aqueous treatment solution into a reaction bin in a second treatment bin when the first pH value of the first aqueous treatment solution is not within the preset pH value range, so as to obtain an aqueous solution to be reacted;
the reaction subunit is connected with the transfer subunit and is used for calculating the range of adding the regulator in the aqueous solution to be reacted according to the first pH value and the preset pH value range, stirring is carried out in the process of adding the regulator, the pH value of the aqueous solution to be reacted after stirring is detected by the pH meter, when the pH value is not in the preset pH value range, the regulator is continuously added until the pH value is in the preset pH value range, and when the pH value is in the preset pH value range, the regulator is stopped being added;
the acquisition subunit is connected with the reaction subunit and is used for discharging the aqueous solution which is subjected to standing and precipitation in the reaction bin to a second switching bin to acquire a second treatment aqueous solution, and discharging the precipitate in the reaction bin to a discharge bin through a discharge mechanism;
The chromaticity processing unit comprises a chromaticity detection subunit, a processing subunit, a mixing subunit, an adsorption subunit and an illumination subunit, wherein,
the chromaticity detection subunit is used for detecting chromaticity values in the second treated water solution to be first chromaticity values through the spectrophotometer, and comparing the first chromaticity values with the preset chromaticity values to obtain comparison results;
the processing subunit is connected with the chromaticity detection subunit and used for transferring the second aqueous solution to be processed into a third processing bin when the first chromaticity value is larger than the preset chromaticity value to obtain an aqueous solution to be processed with the first chromaticity;
the mixing subunit is connected with the processing subunit and used for adding a dosage of oxidant within a preset range into the first chromaticity water solution to be processed, and performing primary processing on the chromaticity water solution to be processed to obtain a second chromaticity water solution to be processed;
the adsorption subunit is connected with the mixing subunit and used for enabling the second chromaticity aqueous solution to pass through the activated carbon adsorption layer to obtain a third chromaticity aqueous solution to be treated;
the illumination subunit is connected with the adsorption subunit and used for irradiating the third chromaticity aqueous solution to be treated in the ultraviolet irradiation bin for a preset time period to obtain a process aqueous solution.
2. The intelligent water purification system based on the internet of things according to claim 1, wherein the data acquisition module comprises a calcium ion content acquisition unit, a pH value acquisition unit and a chromaticity value acquisition unit, wherein,
the calcium ion content acquisition unit is used for detecting the calcium ion content value in the water solution to be treated through an atomic absorption spectrometry to obtain an initial calcium ion content value;
the pH value acquisition unit is used for taking a plurality of 5ml samples of the aqueous solution to be treated, detecting the plurality of 5ml samples according to a pH meter, obtaining a plurality of pH values, calculating a mean value of the plurality of pH values, and taking the mean value pH value as an initial pH value;
the chromaticity value acquisition unit is used for taking a plurality of 5ml samples of the aqueous solution to be treated, detecting the 5ml samples according to the spectrophotometer to obtain a plurality of chromaticity values, counting the chromaticity values, and selecting the chromaticity value with the largest proportion in the chromaticity values as an initial chromaticity value.
3. The intelligent water purification system based on the internet of things according to claim 2, wherein the calcium ion content acquisition unit comprises a sampling subunit, a light intensity value detection subunit, a comparison subunit and a calcium ion content acquisition subunit, wherein,
The sampling subunit samples the aqueous solution to be treated to obtain a plurality of samples;
the light intensity value detection subunit is connected with the sampling subunit and is used for detecting a plurality of samples through an atomic absorption spectrometer to obtain a plurality of light intensity values;
the comparison subunit is connected with the light intensity value detection subunit and is used for drawing a plurality of light intensity values in a standard calcium-light intensity curve, correcting the plurality of light intensity values according to an interpolation method and obtaining a plurality of calcium ion content values corresponding to the plurality of light intensity values;
the calcium ion content obtaining subunit is connected with the comparison subunit and is used for extracting the calcium ion content value with the largest proportion among the plurality of calcium ion content values and taking the calcium ion content value as an initial calcium ion content value.
4. The intelligent water purification system based on the Internet of things according to claim 3, wherein the comparison subunit is configured to correct a plurality of the light intensity values according to an interpolation method, wherein,
setting the light intensity value as x, wherein the light intensity value is equal to the known light intensity value x a And a known light intensity value x b Between, the known light intensity value x a And a known light intensity value x b The corresponding calcium ion content values are y respectively a And y b The calcium ion content value y corresponding to the light intensity value x is y=y a +[（x-x b ）/（x b- x a ）]×（y b- y a ）。
5. The intelligent water purification system based on the internet of things according to claim 4, wherein the reaction subunit is configured to calculate a range of adding the regulator according to the first pH value and the preset pH value range, wherein,
and if the first pH value is a, the preset pH value range is R, and the regulating dosage required by each unit of pH change is b, the range Q of the additive regulator is Q= (R-a)/b.
6. The intelligent water purification system based on the internet of things according to claim 5, wherein the rechecking module comprises a detection unit, a comparison unit and a reprocessing unit, wherein,
the detection unit is used for detecting the calcium ion content value in the process aqueous solution through an atomic absorption spectrometry to obtain a second calcium ion content value, detecting the process aqueous solution according to a pH meter to obtain a second pH value, and detecting the process aqueous solution according to a spectrophotometer to obtain a second chromaticity value;
the comparison unit is connected with the detection unit and used for comparing the second calcium ion content value with the preset calcium ion content value to obtain a calcium ion content value comparison result, comparing the second pH value with the preset pH value range to obtain a pH comparison result, and comparing the second chromaticity value with the preset chromaticity value to obtain a chromaticity comparison result;
The reprocessing unit is connected with the comparing unit and is used for reprocessing the process water solution according to the comparison result of the calcium ion content value, the pH comparison result and/or the chromaticity comparison result.
7. The intelligent water purification system based on the internet of things according to claim 6, wherein the reprocessing unit comprises a discrimination subunit and a reprocessing subunit, wherein,
the judging subunit is configured to judge that the second calcium ion content value is greater than the preset calcium ion content value, the second pH value is not in the preset pH value range, and/or the second chromaticity value is greater than the preset chromaticity value;
the reprocessing subunit is connected with the judging subunit, and is used for transferring the process aqueous solution into the first processing bin when the second calcium ion content value is larger than the preset calcium ion content value, processing calcium ions in the aqueous solution to be processed through an ion exchange method, adjusting the second pH value to be in the preset pH value range through the second processing bin when the second pH value is not in the preset pH value range, and adjusting the chromaticity value of the second processing aqueous solution to be smaller than or equal to the preset chromaticity value through the third processing bin when the second chromaticity value is larger than the preset chromaticity value, so as to obtain the target aqueous solution.
CN202311301199.7A 2023-10-10 2023-10-10 Intelligent water purification system based on Internet of things Active CN117023920B (en)

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KR960041067A (en) * 1995-05-12 1996-12-17 흐수 차우-포우 Intelligent universal control circuit device of reverse osmosis water purifier
CN204958630U (en) * 2015-09-16 2016-01-13 黄光明 Receive, dust unites membrane filtration central authorities purifier
CN109231570A (en) * 2018-10-25 2019-01-18 刘慧� A kind of sewage treatment process of food and cultivation industry
CN111138010A (en) * 2019-12-26 2020-05-12 深圳信息职业技术学院 Purified water chlorine concentration adjustment control method and system based on Internet of things
CN111948337A (en) * 2020-08-11 2020-11-17 广东中煤江南工程勘测设计有限公司 Efficient and accurate engineering geological exploration water quality analysis method
CN116199379A (en) * 2023-03-03 2023-06-02 广东飞南资源利用股份有限公司 Salt-containing wastewater cleaning treatment method and system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960041067A (en) * 1995-05-12 1996-12-17 흐수 차우-포우 Intelligent universal control circuit device of reverse osmosis water purifier
CN204958630U (en) * 2015-09-16 2016-01-13 黄光明 Receive, dust unites membrane filtration central authorities purifier
CN109231570A (en) * 2018-10-25 2019-01-18 刘慧� A kind of sewage treatment process of food and cultivation industry
CN111138010A (en) * 2019-12-26 2020-05-12 深圳信息职业技术学院 Purified water chlorine concentration adjustment control method and system based on Internet of things
CN111948337A (en) * 2020-08-11 2020-11-17 广东中煤江南工程勘测设计有限公司 Efficient and accurate engineering geological exploration water quality analysis method
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