CN113526727B - Concentrated filling system of natural hot spring water - Google Patents
Concentrated filling system of natural hot spring water Download PDFInfo
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- C02F1/00—Treatment of water, waste water, or sewage
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- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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Abstract
The invention provides a natural hot spring water concentration filling system which comprises a pretreatment device, a water quality adjusting device, a multi-stage concentration device, a concentrated water heavy metal removing device and a disinfection filling device which are sequentially connected, wherein the pretreatment device comprises a first precision filter and an ultrafiltration filter, the water quality adjusting device comprises a high-precision water softener, a heavy metal remover and an adjusting water tank, the multi-stage concentration device comprises a first-stage concentration device, a second-stage concentration device and a third-stage concentration device, the concentrated water heavy metal removing device comprises a lifting pump and a heavy metal remover, and the disinfection filling device comprises a photocatalyst sterilizer and integrated filling equipment. According to the application, ions are removed through a pure physical method, so that the natural activity and beneficial mineral ions of hot spring water are protected, excessive harmful heavy metals in concentrated water are removed through chelating resin, the problem that the harmful heavy metals exceed standards due to the increase of the ion concentration after concentration is solved, and the ion concentration of the outlet water of the concentrated water can be adjusted and controlled through an energy saver by adopting graded concentration.
Description
Technical Field
The invention relates to the technical field of hot spring water treatment, in particular to a natural hot spring water concentration filling system.
Background
The thermal spring water is formed by the movement of heat, and the concentration and the ions of mineral elements contained in the thermal spring water are different according to different geological conditions. The hot spring water is used for bathing, foot bathing and bathing, so that the blood circulation can be promoted, the fatigue can be eliminated, and the functions of maintaining beauty and keeping young and even assisting in treating certain diseases such as skin diseases can be achieved. The hot spring water with different concentration times can have different health-care and beauty-care functions, and certain ions have physical therapy effect when reaching certain concentration according to the water quality standard of physical therapy hot mineral water in appendix E in geological survey specification of geothermal resources. Particularly, the ion concentration reaches 9000mg/l, the requirement of isotonic water seepage can be met, and the standard of cosmetic water (QB/T2660-2004) can be met. The hot spring water with different ion concentrations can also be used for developing hot spring health products such as hot spring masks, hot spring mud and the like.
However, the inventor of the present invention finds, through research, that the existing thermal spring water treatment method has the following defects: 1) The scale is prevented mainly by adding a medicament in the thermal spring water treatment, so that the water quality of raw water is seriously influenced, and the natural activity and beneficial mineral ions of the thermal spring water are not protected; 2) The heavy metals exceed the standard again along with the increase of the concentration multiple of the hot spring concentrated water, namely the problem that the heavy metals exceed the standard after concentration is not considered in the hot spring water treatment process; 3) And the ion concentration of the outlet water of the concentrated water can not be accurately controlled, so that the requirements of hot spring concentrated water with different ion concentrations for realizing the development of hot spring beauty skin care products are met. How to deal with the defects becomes a problem which needs to be solved at present.
Disclosure of Invention
The invention provides a natural hot spring water concentration filling system, aiming at the technical problems that the existing hot spring water treatment is not beneficial to protecting the natural activity and beneficial mineral ions of hot spring water, the heavy metal after concentration exceeds the standard again and the outlet water concentration of concentrated water cannot be accurately controlled.
In order to solve the technical problems, the invention adopts the following technical scheme:
a natural hot spring water concentration filling system comprises a pretreatment device, a water quality adjusting device, a multi-stage concentration device, a concentrated water heavy metal removing device and a disinfection filling device which are connected in sequence; wherein,
the pretreatment device comprises a first precision filter and an ultrafiltration filter, wherein the first precision filter is used for separating suspended impurities with the grain size of more than 1.0mm in the hot spring water, and the ultrafiltration filter is used for removing the suspended impurities with the grain size of more than 0.01um in the hot spring water after separation;
the water quality adjusting device comprises a high-precision water softener, a heavy metal remover and an adjusting water tank, wherein the high-precision water softener is used for filtering and removing cations containing calcium, magnesium and strontium in the ultrafiltered hot spring water, cationic polymer resin with the filling height of 1000-1500 mm is filled in the high-precision water softener, and the filtering flow rate of the high-precision water softener is controlled at 4-8 BV/H; the heavy metal remover is used for removing heavy metals in hot spring water after cation filtration, the heavy metal remover is filled with special chelating resin which has the filling height of 800-1200 mm and takes iminodiacetic acid as a functional group, and the flow rate of the heavy metal remover is controlled to be 5-10 BV/H; the regulating water tank is used for storing the hot spring water after the heavy metals are removed;
the multistage concentration device comprises a first-stage concentration device, a second-stage concentration device and a third-stage concentration device which are sequentially connected, wherein the first-stage concentration device comprises a first-stage high-pressure pump, first-stage concentration equipment, a first-stage booster pump, a first-stage energy saver and a first-stage concentrated water tank, the first-stage high-pressure pump is used for pumping hot spring water in an adjusting water tank into the first-stage concentration equipment, a low-pressure reverse osmosis membrane is arranged in the first-stage concentration equipment, the pressure of the first-stage concentration equipment is controlled to be 1-3 MPa, concentrated water concentrated by the first-stage concentration equipment flows into the first-stage concentrated water tank through the first-stage energy saver for storage, the first-stage energy saver maintains the circulating pressure on one hand, and adjusts the opening degree to control the ion concentration of outlet water to be 2000-11000 mg/l on the other hand, and the first-stage booster pump is connected between the front end of the first-stage concentration equipment and the first-stage energy saver to provide circulating power and keep the concentrated water to be concentrated under the high flow rate state; the second-level concentration device and the third-level concentration device are the same as the first-level concentration device in structural arrangement, and the difference is that: the device comprises a secondary concentration device, a secondary energy saver, a third concentration device, a sterile pure water tank, a first-stage concentration device, a second-stage concentration device, a third-stage concentration device and a third-stage concentration device, wherein the high-pressure reverse osmosis membrane is arranged in the secondary concentration device, the pressure of the secondary concentration device is controlled at 3-5 MPa, the opening of the second-stage energy saver is adjusted to control the concentration of water ions at 15000-50000 mg/l, the high-pressure reverse osmosis membrane is arranged in the third-stage concentration device, the pressure of the third-stage concentration device is controlled at 5-8 MPa, the opening of the third-stage energy saver is adjusted to control the concentration of water ions at 60000-100000 mg/l, and the rear ends of the first-stage concentration device, the second-stage concentration device and the third-stage concentration device are further connected with the sterile pure water tank;
the concentrated water heavy metal removal device comprises a lifting pump and a heavy metal removal device, wherein the lifting pump is used for pumping concentrated water subjected to three-stage concentration into the heavy metal removal device, the heavy metal removal device is used for selectively removing heavy metals in the concentrated water, chelating resin which has a high-salt heavy metal removal function and takes an iminodiacetic acid group or an aminomethylphosphonic acid group as a functional group is filled in the heavy metal removal device, the chelating resin has a three-dimensional space stereo pore structure, and the flow rate of the heavy metal removal device is controlled to be 10-20 BV;
the disinfection and filling device comprises a photocatalyst sterilizer and an integrated filling device, the photocatalyst sterilizer is used for sterilizing and disinfecting concentrated liquid obtained after heavy metal is removed from concentrated water, a sealing cover is arranged on an outer cover of the integrated filling device to keep the cleanliness of a filling area, and the integrated filling device is used for filling and sterilizing the sterilized concentrated water to form bottled or bagged products.
Compared with the prior art, the natural hot spring water concentration filling system provided by the invention has the following advantages: 1. the natural hot spring water is physically filtered through a first precise filter and an ultrafiltration filter in a pretreatment device to remove suspended impurities with the particle size of more than 0.01um, calcium, magnesium ions and heavy metals are removed through resin in a high-precision water softener and a heavy metal remover in a water conditioning device through physical selective adsorption, and the concentration multiple is improved through increasing the pressure step by step through a multi-stage concentration device, all of which belong to pure physical methods, the ion removal effect is good, and the condition of scale inhibition in a medicament adding mode does not exist, so that the influence on the water quality is minimum, and the natural activity and beneficial mineral ions of the hot spring water are protected; 2. harmful heavy metals exceeding the standard in the concentrated water are selectively removed through the chelate resin with special groups, the problem that the concentration of ions is increased after concentration to cause the harmful heavy metals exceeding the standard is solved, and the harmful heavy metals are prevented from causing damage to human skin due to the exceeding of the standard and even being possibly absorbed by human bodies to cause body damage; 3. the concentrated water concentration of the first-level concentration device can be controlled to be 2000-11000 mg/l, the ion concentration of the concentrated water of the second-level concentration device can be controlled to be 15000-50000 mg/l, and the ion concentration of the concentrated water of the third-level concentration device can be controlled to be 60000-100000 mg/l, so that the ion concentration of the concentrated water is accurately controlled, and the hot spring integrated production is completed, including concentrated water, water seepage of aquatic products, purified water and the like, and therefore the requirements of hot spring beauty skin care product development on hot spring concentrated water with various ion concentrations can be met; 4. realize the automatic filling of concentrated product, avoided artifical filling inefficiency problem, adopt the photocatalyst sterilization ware to disinfect concentrated water, seal the design through the sealed cowling to the filling district simultaneously, effectively guaranteed the cleanliness factor in filling district, prevent that filling process product from being contaminated by the bacterium.
Further, the first precision filter is filtered by at least one filter element selected from polypropylene fiber cotton, sand filtration and a polypropylene membrane laminar flow cover, and the ultrafiltration filter is filtered by a UF ultrafiltration membrane.
Furthermore, the ultrafiltration filter is connected with a backwashing device in a matching way, the backwashing device comprises a backwashing water tank and a backwashing pump, the water inlet end of the backwashing pump is connected with the backwashing water tank, and the water outlet end of the backwashing pump is connected with the ultrafiltration filter.
Furthermore, a resin catcher is connected between the water outlet of the heavy metal remover and the water inlet of the regulating water tank.
Further, high-accuracy water softener and heavy metal remover supporting connection have resin regenerating unit, resin regenerating unit includes concentrated acid tank, acid batch meter, acid mist absorber, regeneration operation screen, concentrated alkali jar and salt batch meter, concentrated acid tank and acid batch meter are connected and are used for sending concentrated acid to the acid batch meter through the acid pump and add water and dilute appointed concentration, the acid mist absorber is connected with the acid batch meter and is used for spraying the acid mist that absorbs concentrated acid dilution process and produce through water or alkali, the acid batch meter is connected with the acid input end of regeneration operation screen and is arranged in sending the acidizing fluid after diluting to high-accuracy water softener and heavy metal remover regeneration, the concentrated alkali jar sends concentrated alkali to high-accuracy water softener and heavy metal remover through the concentrated alkali pump and adjusts pH for the neutrality, the salt batch meter is connected with the salt input end of regeneration operation screen and is used for sending the salt solution to high-accuracy water softener and heavy metal remover in the modification is neutral resin.
Furthermore, the delivery port of adjusting water tank passes through the regeneration scavenging pump and is connected with high-accuracy water softener, heavy metal remover and regeneration operation screen.
Furthermore, the high-precision water softener and the heavy metal remover are also connected with integrated sewage treatment equipment for treating regeneration and backwashing sewage.
Further, a second precision filter is connected between the second-stage energy saver and the second-stage concentrated water tank in the second-stage concentration device and between the third-stage energy saver and the third-stage concentrated water tank in the third-stage concentration device.
Further, the device is washed to one-level enrichment facility, second grade enrichment facility and tertiary enrichment facility supporting connection have the medicine, the medicine is washed the device and is washed the filter including medicine washing water tank and medicine, the medicine washing water tank is washed the filter through the medicine and is gone into the concentrator front end at different levels with the liquid medicine pump, and the return water after the medicine is washed returns the medicine washing water tank through the tie point between booster pump and the energy-saving appliance at different levels.
Furthermore, the resin filled in the heavy metal remover is a chelating resin which has a high-salt heavy metal removing function and takes aminomethylphosphonic acid groups as functional groups, the crosslinking degree of the chelating resin is 9-14%, the expansion rate is 34-36%, and the particle size is 0.3-1.2 mm.
Drawings
Fig. 1 is a flow schematic block diagram of a natural hot spring water concentration filling system provided by the invention.
FIG. 2 is a schematic structural diagram of a pretreatment device and a water quality adjusting device provided by the invention.
FIG. 3 is a schematic view of a multi-stage concentration apparatus according to the present invention.
FIG. 4 is a schematic structural diagram of a concentrated water heavy metal removal device and a disinfection filling device provided by the invention.
In the figure, 1, a first precision filter; 2. an ultrafiltration filter; 3. a high-precision water softener; 4. a heavy metal remover; 5. adjusting the water tank; 6. a first stage high pressure pump; 7. primary concentration equipment; 8. a first-stage booster pump; 9. a primary economizer; 10. a first-stage concentrated water tank; 11. a second stage high pressure pump; 12. secondary concentration equipment; 13. a secondary booster pump; 14. a secondary energy saver; 15. a secondary concentrated water tank; 16. a three-stage high pressure pump; 17. a third stage of concentration equipment; 18. a three-stage booster pump; 19. a third-stage energy saver; 20. a third-stage concentrated water tank; 21. a sterile pure water tank; 22. a lift pump; 23. a heavy metal remover; 24. a photocatalyst sterilizer; 25. an integrated filling device; 26. a resin catcher; 27. a regenerative purge pump; 28. a second precision filter; 101. a backwash water tank; 102. a backwash pump; 201. a concentrated acid tank; 202. an acid metering tank; 203. an acid mist absorber; 204. a regenerative operation panel; 205. a concentrated alkali tank; 206. a salt metering tank; 301. an integrated sewage treatment device; 401. a medicine washing water tank; 402. and washing the filter with the medicine.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present invention provides a natural hot spring water concentration and filling system, which includes a pretreatment device, a water quality adjustment device, a multi-stage concentration device, a concentrated water heavy metal removal device, and a disinfection and filling device, which are connected in sequence; wherein,
the pretreatment device comprises a first precision filter 1 and an ultrafiltration filter 2, wherein the first precision filter 1 is used for separating suspended impurities with the particle size of more than 1.0mm in hot spring water, and the ultrafiltration filter 2 is used for removing the suspended impurities with the particle size of more than 0.01um in the separated hot spring water;
the water quality adjusting device comprises a high-precision water softener 3, a heavy metal remover 4 and an adjusting water tank 5, wherein the high-precision water softener 3 is used for filtering and removing cations containing calcium, magnesium and strontium in ultrafiltered hot spring water, the high-precision water softener 3 is filled with cationic polymer resin with the filling height of 1000-1500 mm, the cationic polymer resin with higher removal rate is selected, calcium ions, magnesium ions and strontium ions can be reduced to be below 0.1mg/l, the treatment effect of the high-precision water softener is more than 10 times that of common soft water resin, the calcium ions, the magnesium ions and the strontium ions are effectively prevented from scaling and blocking membranes, and the filtering flow rate of the high-precision water softener 3 is controlled to be 4-8 BV/H; the heavy metal remover 4 is used for removing heavy metals in the hot spring water after cation filtration, the heavy metal remover 4 is filled with a special chelating resin which has the filling height of 800-1200 mm and takes iminodiacetic acid as a functional group, the flow rate of the heavy metal remover 4 is controlled at 5-10 BV/H, and the special chelating resin which has the function of selectively removing the heavy metals and takes the iminodiacetic acid as the functional group can be used for appointing to remove harmful heavy metals in the hot spring water; the adjusting water tank 5 is used for storing the hot spring water after heavy metal removal, the water tank liquid level of the adjusting water tank 5 is preferentially controlled to be 1/3-2/3 of the water tank volume, and specifically, a liquid level switch LS and a liquid level display alarm LIA can be arranged on the adjusting water tank 5 to realize the purpose of providing enough power for a subsequent hot spring water treatment device to ensure normal operation;
the multistage concentration device comprises a first-stage concentration device, a second-stage concentration device and a third-stage concentration device which are sequentially connected, wherein the first-stage concentration device comprises a first-stage high-pressure pump 6, a first-stage concentration device 7, a first-stage booster pump 8, a first-stage energy saver 9 and a first-stage concentrated water tank 10, the first-stage high-pressure pump 6 is used for pumping hot spring water in an adjusting water tank 5 into the first-stage concentration device 7, a low-pressure reverse osmosis membrane is arranged in the first-stage concentration device 7, the pressure of the first-stage concentration device 7 is controlled to be 1-3 MPa, concentrated water in the first-stage concentration device 7 flows into the first-stage concentrated water tank 10 through the first-stage energy saver 9 for storage, the first-stage energy saver 9 maintains the circulating pressure on one hand, and adjusts the opening degree to control the concentration of water to be 2000-11000 mg/l on the other hand, specifically, the opening degree can be automatically controlled by a rear-end TDS detector to adjust the opening degree to control the concentration of the first-stage energy saver 9 so as to adjust the concentration required, the first-stage booster pump 8 is connected between the front end of the first-stage concentration device 7 and the first-stage energy saver 9 for providing circulating power to keep the concentrated water in a high-flow-speed state so as to realize high-speed internal circulating compression and prevent the high-speed internal-speed operation strong-speed shearing-shearing force of the reverse osmosis membrane from being blocked so as to prevent the reverse osmosis membrane from being pushed; the structure of second grade enrichment facility and tertiary enrichment facility and one-level enrichment facility arranges the same, specifically the second grade enrichment facility includes second grade high-pressure pump 11, second grade concentrator 12, second grade booster pump 13, second grade energy-saving appliance 14 and second grade concentrated water tank 15, tertiary enrichment facility includes third grade high-pressure pump 16, tertiary concentrator 17, tertiary booster pump 18, tertiary energy-saving appliance 19 and tertiary concentrated water tank 20, the connected mode and the effect that correspond the device in each device and the one-level enrichment facility in second grade enrichment facility and the tertiary enrichment facility are the same, and the difference lies in: the pressure of the second-stage concentration device 12 is controlled to be 3-5 MPa, the opening degree of a second-stage energy saver 14 in the second-stage concentration device is adjusted to control the concentration of the effluent ions to be 15000-50000 mg/l, the pressure of the third-stage concentration device 17 in the third-stage concentration device is controlled to be 5-8 MPa, the opening degree of a third-stage energy saver 19 in the third-stage concentration device is adjusted to control the concentration of the effluent ions to be 60000-100000 mg/l, the rear ends of the first-stage concentration device 7, the second-stage concentration device 12 and the third-stage concentration device 17 are also connected with a sterile pure water tank 21, namely the concentrated water concentrated by the first-stage concentration device, the second-stage concentration device and the third-stage concentration device can be used as purified water, and the concentrated water concentrated by the second-stage concentration device and the third-stage concentration device can be used as water with equal seepage (the ion concentration is required to be 9000-10000 mg/l);
the concentrated water heavy metal removal device comprises a lifting pump 22 and a heavy metal removal device 23, wherein the lifting pump 22 is used for pumping concentrated water subjected to three-stage concentration into the heavy metal removal device 23, the heavy metal removal device 23 is used for selectively removing heavy metals in the concentrated water, chelating resin which has a high-salt heavy metal removal function and takes iminodiacetic acid groups or aminomethylphosphonic acid groups as functional groups is filled in the heavy metal removal device 23, the chelating resin has a three-dimensional space stereo pore structure, and the flow rate of the heavy metal removal device 23 is controlled to be 10-20 BV, so that harmful heavy metals such as chromium, arsenic, lead, mercury and the like can be removed;
the disinfection filling device comprises a photocatalyst sterilizer 24 and an integrated filling device 25, wherein the photocatalyst sterilizer 24 is used for sterilizing and disinfecting concentrated liquid obtained by removing heavy metals from concentrated water, a sealing cover is arranged on the outer cover of the integrated filling device 25 to keep the cleanliness of a filling area, and the integrated filling device 25 is used for filling and sterilizing the sterilized concentrated water to form bottled or bagged products, namely, the filling device adopts an integrated design and realizes automatic continuous operation, no personnel intervene in the whole process is realized, so that the pollution condition of the concentrated water is reduced, and the filling area is sealed by the sealing cover such as toughened glass, so that the cleanliness can reach thirty-ten-thousand level; specifically, the integrated filling device 25 can realize full-automatic production of blowing, filling and screwing, and has the functions of automatically feeding bottles or bags, quantitatively filling, liquid level control feeding, air-water cleaning and cap arranging, automatic cap screwing finished product output and the like, and the specific structure and the working principle of the integrated filling device are the prior art well known by the technical personnel in the field, so that the detailed description is omitted.
Compared with the prior art, the natural hot spring water concentration filling system provided by the invention has the following advantages: 1. the natural hot spring water is physically filtered through a first precise filter and an ultrafiltration filter in a pretreatment device to remove suspended impurities with the particle size of more than 0.01um, calcium, magnesium ions and heavy metals are removed through resin in a high-precision water softener and a heavy metal remover in a water conditioning device through physical selective adsorption, and the concentration multiple is improved through increasing the pressure step by step through a multi-stage concentration device, all of which belong to pure physical methods, the ion removal effect is good, and the condition of scale inhibition in a medicament adding mode does not exist, so that the influence on the water quality is minimum, and the natural activity and beneficial mineral ions of the hot spring water are protected; 2. harmful heavy metals exceeding the standard in the concentrated water are selectively removed through the chelate resin with special groups, the problem that the concentration of ions is increased after concentration to cause the harmful heavy metals exceeding the standard is solved, and the harmful heavy metals are prevented from causing damage to human skin due to the exceeding of the standard and even being possibly absorbed by human bodies to cause body damage; 3. the concentrated water concentration of the first-level concentration device can be controlled to be 2000-11000 mg/l, the ion concentration of the concentrated water of the second-level concentration device can be controlled to be 15000-50000 mg/l, and the ion concentration of the concentrated water of the third-level concentration device can be controlled to be 60000-100000 mg/l, so that the ion concentration of the concentrated water is accurately controlled, and the hot spring integrated production is completed, including concentrated water, water seepage of aquatic products, purified water and the like, and therefore the requirements of hot spring beauty skin care product development on hot spring concentrated water with various ion concentrations can be met; 4. realize the automatic filling of concentrated product, avoided artifical filling inefficiency problem, adopt photocatalyst sterilizer to disinfect the disinfection to concentrated water, seal the design through sealed cowling to the filling district simultaneously, effectively guaranteed the cleanliness factor in filling district, prevent that filling process product from being contaminated by the bacterium.
As a specific example, the first precision filter 1 is filtered by using at least one filter element of the existing polypropylene fiber cotton (PP cotton), sand filtration and polypropylene Membrane (MO) laminar flow cover, so that 100% of solid suspended matters, 98% of bacteria and the like can be filtered, and the ultrafiltration filter 2 is filtered by using the existing UF ultrafiltration membrane, so that colloidal impurities, macromolecular substances and partial viruses with the particle size of more than 0.01um in hot spring water can be removed.
As a specific embodiment, referring to fig. 2, a backwashing device is connected to the ultrafiltration filter 2 in a matching manner, the backwashing device includes a backwashing water tank 101 and a backwashing pump 102, a water inlet end of the backwashing pump 102 is connected to the backwashing water tank 101, and a water outlet end of the backwashing pump 102 is connected to the ultrafiltration filter 2, so that backwashing can be performed by the backwashing device when a water outlet flow of the ultrafiltration filter 2 is abnormal, and backwashing water is discharged into a municipal sewage pipe network through a drainage ditch.
As a specific embodiment, please refer to fig. 2, a resin catcher 26 is connected between the water outlet of the heavy metal remover 4 and the water inlet of the regulating water tank 5, so as to catch the resin flowing out of the water outlet of the heavy metal remover, and prevent the resin from flowing into the lower-level processing equipment due to too high flow rate, which affects the subsequent processing.
As a specific embodiment, referring to fig. 2, the high-precision water softener 3 and the heavy metal remover 4 are connected with a resin regeneration device in a matching manner, the resin regeneration device includes a concentrated acid tank 201, an acid metering tank 202, an acid mist absorber 203, a regeneration operation screen 204, a concentrated alkali tank 205 and a salt metering tank 206, the concentrated acid tank 201 is connected with the acid metering tank 202 and used for sending concentrated acid such as concentrated sulfuric acid or concentrated hydrochloric acid to the acid metering tank 202 through an acid pump and adding water to dilute the concentrated acid to a specified concentration such as 1-5%, the acid mist absorber 203 is connected with the acid metering tank 202 and used for absorbing acid mist generated in the concentrated acid dilution process through water or alkali spraying, the acid metering tank 202 is connected with an acid input end of the regeneration operation screen 204 and used for sending the diluted acid to the high-precision water softener 3 and the heavy metal remover 4 for regeneration, the concentrated alkali tank 205 sends concentrated alkali such as sodium hydroxide or potassium hydroxide to the high-precision water softener 3 and the heavy metal remover 4 through a concentrated alkali pump and adjusts the pH to be neutral, and the salt metering tank 206 is connected with a salt input end of the regeneration operation screen 204 and used for sending the high-precision water softener 3 and the heavy metal remover 4 to modify the high-precision resin remover 3 into a neutral resin.
As a specific embodiment, please refer to fig. 2, a water outlet of the adjusting water tank 5 is connected to the high-precision water softener 3, the heavy metal remover 4 and the regeneration operation panel 204 through a regeneration cleaning pump 27, so that backwash water is provided through the adjusting water tank 5, thereby backwashing the regeneration liquid medicine in the high-precision water softener 3, the heavy metal remover 4 and the regeneration operation panel 304, and effectively ensuring the treatment performance of the device.
As a specific embodiment, please refer to fig. 2, the high-precision water softener 3 and the heavy metal remover 4 are further connected with an integrated sewage treatment device 301 for treating regeneration and backwashing sewage, so that the integrated sewage treatment device 301 can remove calcium and magnesium ions washed out by the high-precision water softener 3, and finally treat the calcium and magnesium ions as general solid waste in the form of sludge, and the treated waste water reaches the standard and is discharged; on the other hand, the heavy metal precipitate washed out by the heavy metal remover 4 can be removed by adding chemical agents, heavy metal capture agents can be selected according to different heavy metals, pH (potential of hydrogen) precipitation can be adjusted or chemical agents capable of generating precipitates such as sulfides can be added, the heavy metal sludge is removed by coagulating sedimentation and filter pressing after the drug adding reaction, the heavy metal sludge is handed over as hazardous waste to be treated by a qualification unit, and the filtrate reaches the standard and is discharged into a municipal pipe network.
As a specific example, referring to fig. 3, a second precision filter 28 is connected between the second-stage economizer 14 and the second-stage concentrate tank 15 in the second-stage concentration device and between the third-stage economizer 19 and the third-stage concentrate tank 20 in the third-stage concentration device, so as to filter out high-concentration crystals entering the second-stage concentrate tank 15 and the third-stage concentrate tank 20, so as to prevent a first-stage concentration membrane from being blocked or damaged due to crystallization of silicate colloid or low-solubility substances.
As a specific embodiment, please refer to fig. 3, the first-stage concentration device, the second-stage concentration device and the third-stage concentration device are connected with a drug washing device in a matching manner, the drug washing device includes a drug washing water tank 401 and a drug washing filter 402, the drug washing water tank 401 pumps the drug solution into the front end of each stage of concentration equipment through the drug washing filter 402 so as to filter fine particles through the drug washing filter 402 and prevent membrane blockage, and the backwater after drug washing returns to the drug washing water tank 401 through the connection point between each stage of booster pump and the economizer. Particularly, an online flow and conductance monitoring instrument can be designed at the water outlet end of each stage of energy saver, when concentrated water is abnormal, the process is automatically switched to a drug washing process, drug washing water is discharged to a sewage treatment system through a drainage ditch for treatment, drug washing mainly comprises acid-base soaking and washing, the pH value is controlled to be 2.5-3.5 during acid washing, calcium carbonate scale and other scales are mainly removed, and hydrochloric acid, phosphoric acid, sulfuric acid and organic acid (oxalic acid, citric acid, maleic acid, sulfamic acid and the like) can be selected; the pH value is controlled to be about 11 during alkali cleaning, particle impurities on the surface of the reverse osmosis membrane are mainly removed, and the reverse osmosis membrane can be selected from phosphate, carbonate, hydroxide and the like, and can be cleaned together with a chelating agent, so that the effect is better. The concentration, back-flushing and drug washing processes are all controlled by the existing PLC controller in a full-automatic way, and are configured with the auxiliary control of a precise detection instrument.
As a specific example, the resin filled in the heavy metal remover 23 is a chelate resin which has a high-salt heavy metal removing function and takes a methyl phosphonic acid group as a functional group, the cross-linking degree of the chelate resin is 9-14%, the expansion rate is 34-36%, the particle size is 0.3-1.2 mm, the total exchange capacity is 2.0meq/ml, thereby the harmful heavy metal can be reduced to be below 0.02mg/l, and the maximum treatment salt concentration is 100000mg/l.
As a specific embodiment, the photocatalyst sterilizer 24 can be realized by using an ultraviolet or nano photocatalyst sterilizer, and through sterilization and disinfection by using nano photocatalyst or ultraviolet, the total bacteria killing rate is more than 95%, fungi killing rate is more than 73%, natural bacteria removing rate is more than 99.98%, and the legionella removing effect is changed from positive to undetected. As a preferred embodiment, a nano photocatalyst sterilizer is also arranged at the inner top of the integrated filling equipment 25, and the ventilation quantity is 700-3300 m by arranging a filter screen 3 The ultraviolet germicidal lamp has wavelength controlled in 275-200 nm, optimal disinfection wavelength of 254nm and photocatalystThe nano titanium dioxide net can sterilize and disinfect the integrated filling equipment 25 and the surrounding environment by generating strong oxyhydrogen free radicals through the nano photocatalyst sterilizer, so that the filled product is prevented from being polluted by bacteria.
The following examples are experimental data of raw water which is hydrogen carbonate type hot spring water with easy scaling, the concentration of bicarbonate ion is more than 800mg/l, the concentration of calcium ion is 104mg/l, the concentration of magnesium ion is 45mg/l, and the total concentration of soluble solid is 1300 mg/l.
Calcium and magnesium removal experiment in water quality regulation stage:
iron and manganese removal experiment in water quality regulation stage:
concentration experiment:
from the above concentration experiments it can be seen that: the concentration multiple reaches more than 45 times, the first-stage concentration realizes the water outflow by equal seepage, and more than 90 percent of bicarbonate is reserved; through a third experiment, the calcium and magnesium ions are concentrated by more than 60 times.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A natural hot spring water concentration filling system is characterized by comprising a pretreatment device, a water quality adjusting device, a multi-stage concentration device, a concentrated water heavy metal removing device and a disinfection filling device which are sequentially connected; wherein,
the pretreatment device comprises a first precision filter and an ultrafiltration filter, wherein the first precision filter is used for separating suspended impurities with the particle size of more than 1.0mm in hot spring water, and the ultrafiltration filter is used for removing the suspended impurities with the particle size of more than 0.01um in the separated hot spring water;
the water quality adjusting device comprises a high-precision water softener, a heavy metal remover and an adjusting water tank, wherein the high-precision water softener is used for filtering and removing cations containing calcium, magnesium and strontium in the hot spring water after ultrafiltration, cationic polymer resin with the filling height of 1000-1500 mm is filled in the high-precision water softener, and the filtering flow rate of the high-precision water softener is controlled at 4-8 BV/H; the heavy metal remover is used for removing heavy metals in hot spring water after cation filtration, which is beneficial to protecting the natural activity and beneficial mineral ions of the hot spring water, the heavy metal remover is filled with special chelating resin with the filling height of 800-1200 mm and taking iminodiacetic acid groups as functional groups, and the flow rate of the heavy metal remover is controlled to be 5-10 BV/H; the regulating water tank is used for storing the hot spring water after the heavy metals are removed;
the multistage concentration device comprises a first-stage concentration device, a second-stage concentration device and a third-stage concentration device which are sequentially connected, wherein the first-stage concentration device comprises a first-stage high-pressure pump, first-stage concentration equipment, a first-stage booster pump, a first-stage energy saver and a first-stage concentrated water tank, the first-stage high-pressure pump is used for pumping hot spring water in an adjusting water tank into the first-stage concentration equipment, a low-pressure reverse osmosis membrane is arranged in the first-stage concentration equipment, the pressure of the first-stage concentration equipment is controlled to be 1-3 MPa, concentrated water concentrated by the first-stage concentration equipment flows into the first-stage concentrated water tank through the first-stage energy saver for storage, the first-stage energy saver maintains the circulating pressure on one hand, and controls the ion concentration of the discharged water to be 2000 mg/l-11000 mg/l on the other hand by adjusting the opening degree, particularly, the first-stage energy saver can be automatically controlled by a rear-end TDS detector to adjust the opening degree so as to control the ion concentration of the water, thereby adjusting the required concentration multiple, and the first-stage booster pump is connected between the front end of the first-stage concentration equipment and the first-stage concentration equipment for providing circulating power and keeping the concentrated water to be concentrated in a high-flow rate state; the second-level concentration device and the third-level concentration device are the same as the first-level concentration device in structural arrangement, and the difference is that: the device comprises a secondary concentration device, a secondary energy saver, a third concentration device, a sterile pure water tank, a first-stage concentration device, a second-stage concentration device, a third-stage concentration device and a third-stage concentration device, wherein the high-pressure reverse osmosis membrane is arranged in the secondary concentration device, the pressure of the secondary concentration device is controlled at 3-5 MPa, the opening of the second-stage energy saver is adjusted to control the concentration of water ions at 15000-50000 mg/l, the high-pressure reverse osmosis membrane is arranged in the third-stage concentration device, the pressure of the third-stage concentration device is controlled at 5-8 MPa, the opening of the third-stage energy saver is adjusted to control the concentration of water ions at 60000-100000 mg/l, and the rear ends of the first-stage concentration device, the second-stage concentration device and the third-stage concentration device are further connected with the sterile pure water tank;
the concentrated water heavy metal removal device comprises a lifting pump and a heavy metal removal device, wherein the lifting pump is used for pumping concentrated water subjected to three-stage concentration into the heavy metal removal device, the heavy metal removal device is used for selectively removing heavy metals in the concentrated water, chelating resin which has a high-salt heavy metal removal function and takes iminodiacetic acid groups or aminomethylphosphonic acid groups as functional groups is filled in the heavy metal removal device, the chelating resin has a three-dimensional space three-dimensional pore structure, and the flow rate of the heavy metal removal device is controlled to be 10-20 BV;
the disinfection and filling device comprises a photocatalyst sterilizer and an integrated filling device, the photocatalyst sterilizer is used for sterilizing and disinfecting concentrated liquid obtained after heavy metal is removed from concentrated water, a sealing cover is arranged on an outer cover of the integrated filling device to keep the cleanliness of a filling area, and the integrated filling device is used for filling and sterilizing the sterilized concentrated water to form bottled or bagged products.
2. The natural hot spring water concentrated filling system according to claim 1, wherein the first precision filter is filtered by using at least one filter element selected from polypropylene fiber cotton, sand filtration and a polypropylene membrane laminar flow hood, and the ultrafiltration filter is filtered by using a UF ultrafiltration membrane.
3. The natural hot spring water concentrating and filling system according to claim 1, wherein the ultrafiltration filter is connected with a backwashing device in a matching manner, the backwashing device comprises a backwashing water tank and a backwashing pump, a water inlet end of the backwashing pump is connected with the backwashing water tank, and a water outlet end of the backwashing pump is connected with the ultrafiltration filter.
4. The natural hot spring water concentration filling system according to claim 1, wherein a resin catcher is connected between a water outlet of the heavy metal remover and a water inlet of the regulating water tank.
5. The natural hot spring water concentrating and filling system according to claim 1, wherein the high-precision water softener and the heavy metal remover are connected with a resin regeneration device in a matching manner, the resin regeneration device comprises a concentrated acid tank, an acid metering tank, an acid mist absorber, a regeneration operation screen, a concentrated alkali tank and a salt metering tank, the concentrated acid tank is connected with the acid metering tank and used for sending concentrated acid to the acid metering tank through an acid pump and adding water to dilute the concentrated acid to a specified concentration, the acid mist absorber is connected with the acid metering tank and used for spraying and absorbing acid mist generated in the concentrated acid diluting process through water or alkali, the acid metering tank is connected with an acid input end of the regeneration operation screen and used for sending diluted acid liquid to the high-precision water softener and the heavy metal remover for regeneration, the concentrated alkali tank sends concentrated alkali to the high-precision water softener and the heavy metal remover through the concentrated alkali pump and adjusts pH to be neutral, and the salt metering tank is connected with a salt input end of the regeneration operation screen and used for sending salt liquid to the high-precision water softener and the heavy metal remover and modifying the salt liquid into neutral resin.
6. The natural hot spring water concentrating and filling system according to claim 5, wherein the water outlet of the regulating water tank is connected with the high-precision water softener, the heavy metal remover and the regeneration operation screen through a regeneration cleaning pump.
7. The natural hot spring water concentrating and filling system according to claim 6, wherein the high-precision water softener and the heavy metal remover are further connected with an integrated sewage treatment device for treating regeneration and backwashing sewage.
8. The natural hot spring water concentrating and filling system according to claim 1, wherein a second precision filter is connected between the second-stage economizer and the second-stage concentrated water tank in the second-stage concentrating device and between the third-stage economizer and the third-stage concentrated water tank in the third-stage concentrating device.
9. The natural hot spring water concentration filling system according to claim 1, wherein the first-stage concentration device, the second-stage concentration device and the third-stage concentration device are connected with a drug washing device in a matching manner, the drug washing device comprises a drug washing water tank and a drug washing filter, the drug washing water tank pumps drug liquid into the front end of each-stage concentration device through the drug washing filter, and return water after drug washing returns to the drug washing water tank through a connection point between each-stage booster pump and an energy saver.
10. The natural hot spring water concentrated filling system according to claim 1, wherein the resin filled in the heavy metal remover is a chelating resin with aminomethylphosphonic acid group as functional group and having high salt and heavy metal removing function, and the chelating resin has a crosslinking degree of 9-14%, an expansion rate of 34-36%, and a particle size of 0.3-1.2 mm.
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