CN113024048A - Automatic control equipment for sewage treatment - Google Patents
Automatic control equipment for sewage treatment Download PDFInfo
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- CN113024048A CN113024048A CN202110426656.XA CN202110426656A CN113024048A CN 113024048 A CN113024048 A CN 113024048A CN 202110426656 A CN202110426656 A CN 202110426656A CN 113024048 A CN113024048 A CN 113024048A
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- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 137
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000004062 sedimentation Methods 0.000 claims abstract description 63
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 238000005273 aeration Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 239000005341 toughened glass Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000008236 heating water Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 230000007269 microbial metabolism Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002306 biochemical method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
本发明涉及污水处理设备领域，公开了一种用于污水处理的自动化控制设备，包括沉降池，沉降池连通有出水管和排於管，出水管高于排於管，沉降池内设有用于监测淤泥厚度的淤泥监测单元，出水管上安装有受淤泥监测单元控制的电磁阀一，排於管上安装有受淤泥监测单元控制的电磁阀二。本发明中，利用淤泥监测单元监测沉降池内淤泥的厚度，且电磁阀一和电磁阀二均受淤泥监测单元控制，因此，本发明能够及时自动排出沉降池内的淤泥，避免淤泥堆积，并能够自动关闭排於管，避免淤泥排尽，从而提高淤泥排放的自动化程度，避免人工控制淤泥排放工作。
The invention relates to the field of sewage treatment equipment, and discloses an automatic control device for sewage treatment, comprising a sedimentation tank. The sedimentation tank is connected with a water outlet pipe and a drain pipe. For the sludge monitoring unit with the thickness of sludge, a solenoid valve 1 controlled by the sludge monitoring unit is installed on the outlet pipe, and a solenoid valve 2 controlled by the sludge monitoring unit is installed on the discharge pipe. In the present invention, the sludge monitoring unit is used to monitor the thickness of the sludge in the sedimentation tank, and the first solenoid valve and the second electromagnetic valve are controlled by the sludge monitoring unit. Therefore, the present invention can automatically discharge the sludge in the sedimentation tank in time, avoid sludge accumulation, and automatically Close the discharge pipe to prevent the sludge from being exhausted, thereby improving the automation degree of sludge discharge and avoiding manual control of sludge discharge.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to automatic control equipment for sewage treatment.
Background
The sewage treatment equipment is an industrial equipment capable of effectively treating domestic sewage and industrial wastewater, avoids sewage and pollutants from directly flowing into a water area, and has important significance for improving ecological environment, promoting living environment and promoting economic development. Unobstructed, the sewage treatment method is divided into physical method, chemical method and biochemical method, the common physical method sewage treatment includes filtration, precipitation, centrifugal separation, floating, etc.; the common chemical sewage treatment method comprises the following steps: coagulation, neutralization, oxidation-reduction and the like based on chemical reaction generated by adding a medicament, and extraction, steam stripping, air stripping, adsorption, ion exchange, electroosmosis, reverse osmosis and the like based on mass transfer; the biochemical method is to convert organic pollutants in the sewage into harmless substances by utilizing the metabolism of microorganisms. Whether sewage is treated by a physical method, a chemical method or a biochemical method, sludge is generated, and the sludge in a sedimentation tank is gradually increased along with the time, so that the sludge needs to be discharged periodically to ensure the normal operation of sewage treatment. However, at present, the time point when the sludge begins to be discharged and the discharge amount of the sludge need to be determined manually, which may cause the phenomenon of discharging the sludge through the water outlet pipe due to excessive sludge accumulation, or the phenomenon of discharging the water through the water outlet pipe due to excessive sludge discharge. In other words, the current automation degree of sludge discharge is low, the problem of excessive sludge accumulation and discharge through the water outlet pipe exists, and the problem of excessive sludge discharge causes the water body to be discharged through the water outlet pipe.
Disclosure of Invention
The invention aims to provide automatic control equipment for sewage treatment to solve the problem of low automation degree of sludge discharge in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic control device for sewage treatment, which comprises a sedimentation tank, wherein the sedimentation tank is communicated with a water outlet pipe and a discharge pipe, and the water outlet pipe is higher than the discharge pipe; the sedimentation tank is internally provided with a sludge monitoring unit for monitoring the thickness of sludge, the water outlet pipe is provided with a first electromagnetic valve controlled by the sludge monitoring unit, and the discharge pipe is provided with a second electromagnetic valve controlled by the sludge monitoring unit.
The principle and the advantages of the scheme are as follows: in this scheme, the sludge monitoring unit is used to monitor the thickness of the sludge in the sedimentation tank, when the thickness of the sludge reaches a certain value, the sludge monitoring unit controls the second electromagnetic valve arranged on the pipe to open, the sludge in the sedimentation tank is discharged through the pipe, in this process, the thickness of the sludge gradually decreases, when the thickness of the sludge decreases to a certain value, the sludge monitoring unit controls the second electromagnetic valve arranged on the pipe to close, the discharge of the sludge is stopped, and the phenomenon that the sludge amount in the sedimentation tank is too small due to too much sludge discharge is avoided, thereby reducing the treatment effect of the microbial metabolism on the water.
And, in this scheme, solenoid valve one on the outlet pipe receives the control of silt monitoring unit, opens at solenoid valve one, the in-process that silt discharged, and solenoid valve one is closed, avoids the water refluence in the outlet pipe to in the sedimentation tank to avoid the water refluence to cause the surface silt heavy suspension, keep the water stable as far as possible.
In summary, in the present embodiment, the sludge monitoring unit is used to achieve automatic sludge discharge and automatic stopping of sludge discharge, so as to avoid excessive sludge accumulation and discharge through the water outlet pipe, and avoid excessive sludge discharge causing water discharge through the water outlet pipe; moreover, the scheme can ensure that a certain amount of sludge is reserved in the sedimentation tank, thereby ensuring the treatment effect of the microbial metabolism on the water body.
Preferably, as an improvement, the sludge monitoring unit comprises a transparent tube, a controller and an image processing system, the transparent tube is vertically arranged, the bottom end of the transparent tube is closed, an upper shooting assembly and a lower shooting assembly are arranged in the transparent tube, the upper shooting assembly and the lower shooting assembly are both positioned between the water outlet pipe and the water outlet pipe, and both the upper shooting assembly and the lower shooting assembly comprise an illuminating lamp and a camera; the image processing system receives images shot by the camera, processes and analyzes the images, and transmits an analysis result to the controller, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received analysis result.
The sludge monitoring device has the advantages that the structure of the sludge monitoring unit is refined, the upper shooting assembly and the lower shooting assembly are used for shooting, the shot images are received by the image processing system and are analyzed, the image processing system transmits the analysis result to the controller, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received analysis result. In this scheme, when the sludge is over the upper shooting component, the upper shooting component and the lower shooting component shoot the same image (the image is sludge), the controller controls the first electromagnetic valve on the water outlet pipe to close and controls the second electromagnetic valve on the pipe to open, so that the sludge in the sedimentation tank can be discharged through the pipe. The thickness of the sludge in the sedimentation tank is reduced along with the discharge of the sludge, when the upper surface of the sludge is lowered to the lower part of the lower shooting component, the images shot by the lower shooting component and the upper shooting component are the same again (the shot image is a water body), the controller controls the first electromagnetic valve on the water outlet pipe to be opened and controls the second electromagnetic valve on the pipe to be closed, the discharge of the sludge is stopped, the sludge in the sedimentation tank is prevented from being discharged too much, the sludge amount in the sedimentation tank is prevented from being too small, and the water body in the sedimentation tank is prevented from being discharged through the pipe in a large amount. Therefore, the scheme utilizes the sludge monitoring unit to realize automatic discharge of sludge and automatic stop of sludge discharge, avoids excessive sludge accumulation and discharge through the water outlet pipe, also avoids excessive discharge of sludge through the discharge pipe so that a large amount of water is discharged through the discharge pipe, ensures the retaining amount of sludge in the sedimentation tank, and further ensures the treatment effect of microbial metabolism on the water.
Preferably, as an improvement, the sludge monitoring unit comprises a left transparent pipe, a right transparent pipe and a controller, the left transparent pipe and the right transparent pipe are vertically arranged, the bottom ends of the left transparent pipe and the right transparent pipe are sealed, a first visible light emitter and a second visible light emitter are arranged in the left transparent pipe, a first visible light receiver corresponding to the first visible light emitter and a second visible light receiver corresponding to the second visible light emitter are arranged in the right transparent pipe, the first visible light emitter, the second visible light emitter, the first visible light receiver and the second visible light receiver are all located between the water outlet pipe and the pipe, the first visible light receiver and the second visible light receiver convert optical signals into electric signals and transmit the electric signals to the controller, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received electric signals.
According to the scheme, the visible light is emitted by the first visible light emitter and the second visible light emitter, and the water body and the sludge have different absorption degrees on the visible light, so that the corresponding first visible light receiver and the corresponding second visible light receiver receive different optical signals and convert different electric signals, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received electric signals. In the scheme, when the sludge is submerged in the first visible light emitter and the second visible light emitter, the visible light emitted by the first visible light emitter and the second visible light emitter is absorbed by the sludge, the light signals received by the first visible light receiver and the second visible light receiver are weak or even not received, at the moment, the controller controls the first electromagnetic valve on the water outlet pipe to be closed and controls the second electromagnetic valve on the pipe to be opened, and the sludge in the sedimentation tank is discharged through the pipe, so that the sludge is prevented from being excessively accumulated and discharged through the water outlet pipe. The thickness of the sludge in the sedimentation tank is reduced along with the discharge of the sludge, when the upper surface of the sludge is lowered to be below the first visible light emitter and the second visible light emitter, the visible light emitted by the first visible light emitter and the second visible light emitter penetrates through the water body and is received by the corresponding first visible light receiver and the second visible light receiver, at the moment, the controller controls the first electromagnetic valve on the water outlet pipe to be opened, controls the second electromagnetic valve on the pipe to be closed, stops the discharge of the sludge, avoids the phenomenon that the sludge amount in the sedimentation tank is too small due to excessive discharge of the sludge, and also avoids the phenomenon that a large amount of water in the sedimentation tank is discharged through the pipe. Therefore, the scheme utilizes the sludge monitoring unit to realize automatic discharge of sludge and automatic stop of sludge discharge, avoids excessive sludge accumulation and discharge through the water outlet pipe, also avoids excessive discharge of sludge through the discharge pipe so that a large amount of water is discharged through the discharge pipe, ensures the retaining amount of sludge in the sedimentation tank, and further ensures the treatment effect of microbial metabolism on the water.
Preferably, as an improvement, a first manual valve is installed on the water outlet pipe, and a second manual valve is installed on the water outlet pipe.
In this scheme, when the first solenoid valve and/or the second solenoid valve is/are out of order, the first manual valve and the second manual valve can be used to control the on/off of the water outlet pipe and the water discharge pipe.
Preferably, as an improvement, an aeration tank is arranged beside the sedimentation tank, the aeration tank is communicated with the sedimentation tank through a pipeline, and a heating assembly for heating water is arranged in the aeration tank.
In this scheme, heating element in the aeration tank can heat the water in the aeration tank for the water that gets into in the sedimentation tank can keep the uniform temperature, avoids the water temperature low and leads to the activity reduction of microorganism.
Preferably, as an improvement, the heating assembly comprises a plurality of heating rods, the top ends of the heating rods are fixedly connected with a connecting plate, and the connecting plate is detachably connected to the top end of the side wall of the aeration tank.
In this scheme, the top and the connecting plate of heating rod are connected, and the connecting plate can be dismantled the top of connecting at the lateral wall of aeration tank to the staff dismantles the heating rod that damages, and the heating rod of more renewing.
Preferably, as an improvement, a solar panel is arranged above the aeration tank, the solar panel is electrically connected with a storage battery, the storage battery is electrically connected with the heating rod, and a switch is arranged between the storage battery and the heating rod.
In the scheme, solar energy is used as energy for electrifying the heating rod to work, so that energy is saved, and cost is reduced.
Preferably, as an improvement, the transparent tube is made of tempered glass.
In the scheme, the toughened glass has good transparency, high strength and long service life.
Preferably, as an improvement, the left transparent tube and the right transparent tube are both made of toughened glass.
In the scheme, the toughened glass has good transparency, high strength and long service life.
Preferably, as an improvement, the pipeline is L-shaped, the bottom end of the pipeline is positioned at the bottom of the aeration tank, the top end of the pipeline is positioned in the sedimentation tank, and a water pump is arranged on the pipeline.
In this scheme, the pipeline bottom is located the bottom of aeration tank, and the top of pipeline is located the sedimentation tank, so, the water in the aeration tank gets into in the sedimentation tank under the effect of water pump, and the unable backward flow of water in the sedimentation tank is to the aeration tank.
Drawings
FIG. 1 is a longitudinal sectional view of an automated control apparatus for wastewater treatment according to an embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic block diagram of a sludge monitoring unit according to a first embodiment of the present invention;
FIG. 4 is a longitudinal sectional view of an automated control apparatus for wastewater treatment according to a second embodiment of the present invention;
fig. 5 is a schematic block diagram of a sludge monitoring unit according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a sedimentation tank 1, an aeration tank 2, a pipeline 3, a water pump 4, a heating rod 5, a connecting plate 6, a solar panel 7, a storage battery 8, a water outlet pipe 9, a discharge pipe 10, a first electromagnetic valve 11, a first manual valve 12, a third electromagnetic valve 13, a second electromagnetic valve 14, a second manual valve 15, a transparent pipe 16, an upper shooting component 17, a lower shooting component 18, an illuminating lamp 117, a camera 118, a left transparent pipe 19, a right transparent pipe 20, a first visible light emitter 21, a second visible light emitter 22, a first visible light receiver 23 and a second visible light receiver 24.
Example one
This embodiment is substantially as shown in fig. 1: the utility model provides an automated control equipment for sewage treatment, includes sedimentation tank 1 and aeration tank 2, through pipeline 3 intercommunication between aeration tank 2 and the sedimentation tank 1, in this embodiment, pipeline 3 is the L type, and the bottom of pipeline 3 is located the bottom of aeration tank 2, and the top of pipeline 3 is located sedimentation tank 1, installs water pump 4 on the pipeline 3. The aeration tank 2 is internally provided with a heating component for heating water, in the embodiment, the heating component comprises a plurality of heating rods 5, the top ends of the heating rods 5 are welded with a connecting plate 6, and the connecting plate 6 is detachably connected to the top end of the side wall of the aeration tank 2 through screws. The top of aeration tank 2 is equipped with solar panel 7, and solar panel 7 electricity is connected with battery 8, and battery 8 is connected with heating rod 5 electricity, and is equipped with the switch between battery 8 and the heating rod 5, and the switch can control 5 break-make of heating rod.
The sedimentation tank 1 is communicated with a water outlet pipe 9 and a discharge pipe 10, the water outlet pipe 9 is higher than the discharge pipe 10, a first electromagnetic valve 11, a first manual valve 12 and a third electromagnetic valve 13 are installed on the water outlet pipe 9, a second electromagnetic valve 14 and a second manual valve 15 are installed on the discharge pipe 10, the first manual valve 12, the second manual valve 12 and the first electromagnetic valve 11 are in a normally open state, and the second electromagnetic valve 14 and the third electromagnetic valve 13 are in a normally closed state.
In the sedimentation tank 1, a sludge monitoring unit for monitoring the thickness of sludge is arranged, and as shown in fig. 2 and fig. 3, in the embodiment, the sludge monitoring unit comprises a transparent tube 16, a controller and an image processing system, the transparent tube 16 is made of toughened glass, the transparent tube 16 is vertically arranged, the bottom end of the transparent tube 16 is closed, an upper shooting assembly 17 and a lower shooting assembly 18 are arranged in the transparent tube 16, the upper shooting assembly 17 and the lower shooting assembly 18 are both positioned between the water outlet pipe 9 and the water outlet pipe 10, the upper shooting assembly 17 and the lower shooting assembly 18 both comprise an illuminating lamp 117 and a camera 118, and the illuminating lamp 117 and the camera 118 are both bonded on the inner side wall of the transparent tube 16; the image processing system receives the images shot by the camera 118, processes and analyzes the images, and transmits the analysis result to the controller, and the controller controls the first electromagnetic valve 11 and the second electromagnetic valve 14 to work according to the received analysis result. In this embodiment, the image processing system is a common image processing system in the prior art, such as an image processing system with model numbers XG-S200MU and EOS-1000; the controller adopts PLC or 51 single chip microcomputer in the prior art.
In this embodiment, the third electromagnetic valve 13 is controlled by another control system, so that the third electromagnetic valve 13 is opened after the water in the sedimentation basin 1 is settled, and the water in the sedimentation basin 1 is discharged through the water outlet pipe 9.
The specific implementation process is as follows: as time goes by, the sludge in the sedimentation tank 1 gradually increases, the thickness of the sludge gradually increases, when the sludge is over the upper camera assembly 17, and the images taken by the cameras 118 in the upper camera assembly 17 and the lower camera assembly 18 are the same (when the images are taken, the illuminating lamp 117 works to emit light to illuminate the shooting environment), the sludge is formed, the upper camera assembly 17 and the lower camera assembly 18 transmit the taken images to the image processing system, the image processing system analyzes the images taken by the upper and lower camera assemblies 17 and 18, and transmits the analysis result to the controller, the controller controls the electromagnetic valve I11 on the water outlet pipe 9 to close, at the same time, the second solenoid valve 14 on the pipe 10 is controlled to open, the sludge in the sedimentation tank 1 begins to be discharged through the pipe 10, the amount of sludge in the sedimentation tank 1 is reduced, the thickness of the sludge is gradually reduced, and the sludge is prevented from being excessively accumulated and discharged through the water outlet pipe 9.
The thickness of the sludge in the sedimentation tank 1 is reduced along with the discharge of the sludge, when the upper surface of the sludge is lowered below the lower shooting component 18, the images shot by the lower shooting component 18 and the upper shooting component 17 are water, at this time, the image processing system transmits the analysis result to the controller, the controller controls the first electromagnetic valve 11 on the water outlet pipe 9 to be opened, and controls the second electromagnetic valve 14 on the pipe 10 to be closed, the discharge of the sludge is stopped, the excessive discharge of the sludge is avoided, the sludge amount in the sedimentation tank 1 is too small, and the large amount of water in the sedimentation tank 1 is also avoided being discharged through the pipe 10. Thus, the present embodiment utilizes the sludge monitoring unit to realize automatic sludge discharge and automatic stop of sludge discharge, so as to prevent excessive sludge accumulation from being discharged through the water outlet pipe 9, and also prevent excessive sludge discharge through the water discharge pipe 10 from causing a large amount of water to be discharged through the water discharge pipe 10, thereby ensuring the amount of sludge in the sedimentation tank 1, and further ensuring the treatment effect of microbial metabolism on water.
In the process, the first electromagnetic valve 11 on the water outlet pipe 9 is closed in the process of discharging the sludge, so that the water in the water outlet pipe 9 can be prevented from flowing back to the sedimentation tank 1, the upper surface of the sludge is prevented from being turbid due to backflow of the water, and the water can be stably lowered as far as possible.
In addition, after the sewage enters winter, the environmental temperature is reduced, the temperature of the water body in the aeration tank 2 and the sedimentation tank 1 is lower, the microbial metabolic activity in the sedimentation tank 1 is influenced by low temperature, and the treatment effect on the water body is reduced. Therefore, in this embodiment, the water in the aeration tank 2 is heated by the heating rod 5, so that the temperature of the water discharged into the sedimentation tank 1 through the pipeline 3 is appropriate, the metabolic activity of microorganisms in the water in winter is improved, and the treatment effect of the microorganisms on the water is ensured. In addition, solar energy is adopted as energy in the embodiment, so that electric energy is saved, and cost is reduced.
Example two
The difference between the present embodiment and the first embodiment is: as shown in fig. 4 and 5, the sludge monitoring assembly in this embodiment is different from the sludge monitoring assembly in the first embodiment, the sludge monitoring assembly in this embodiment includes a left transparent tube 19, a right transparent tube 20 and a controller, the left transparent tube 19 and the right transparent tube 20 are made of toughened glass, the left transparent tube 19 and the right transparent tube 20 are both vertically arranged, the bottom ends of the left transparent tube 19 and the right transparent tube 20 are both closed, a first visible light emitter 21 and a second visible light emitter 22 are bonded in the left transparent tube 19, the first visible light emitter 21 is located above the second visible light emitter 22, a first visible light receiver 23 corresponding to the first visible light emitter 21 and a second visible light receiver 24 corresponding to the second visible light emitter 22 are disposed in the right transparent tube 20, the first visible light emitter 21, the second visible light emitter 22, the first visible light receiver 23 and the second visible light receiver 24 are all located between the water outlet pipe 9 and the water outlet pipe 10, the first visible light receiver 23 and the second visible light receiver 24 convert the optical signals into electric signals and transmit the electric signals to the controller, and the controller controls the first electromagnetic valve 11 and the second electromagnetic valve 14 to work according to the received electric signals. In this embodiment, the first visible light emitter 21 and the second visible light emitter 22 are both common visible light illuminating lamps in the prior art, such as a red lamp, a blue lamp or a green lamp; the first visible light receiver 23 and the second visible light receiver 24 are both common light receivers in the prior art, and are used for converting optical signals into electrical signals, such as a light receiver with the model number PD 512C; the controller adopts PLC or 51 single chip microcomputer in the prior art.
In this embodiment, as the sludge in the sedimentation tank 1 gradually increases, the thickness component of the sludge increases, when the sludge is over the first visible light emitter 21, the visible light emitted by the first visible light emitter 21 and the second visible light emitter 22 is absorbed by the sludge, the light signals received by the first visible light receiver 23 and the second visible light receiver 24 are weak or no light signals are received, and then the first visible light receiver 23 and the second visible light receiver 24 transmit the signals to the controller, the controller controls the first electromagnetic valve 11 on the water outlet pipe 9 to close, and controls the second electromagnetic valve 14 on the pipe 10 to open, so that the sludge in the sedimentation tank 1 starts to be discharged through the pipe 10, the sludge amount in the sedimentation tank 1 decreases, and the thickness of the sludge gradually decreases, thereby preventing the sludge from being excessively accumulated and discharged through the water outlet pipe 9.
The thickness of the sludge in the sedimentation tank 1 is reduced along with the discharge of the sludge, when the upper surface of the sludge is lowered below the visible light emitter two 22, the visible light emitted by the visible light emitter one 21 and the visible light emitter two 22 passes through the water body and is received by the corresponding visible light receiver one 23 and the visible light receiver two 24, the visible light receiver one 23 and the visible light receiver two 24 convert the light signals into electric signals to be transmitted to the controller, the controller controls the electromagnetic valve one 11 on the water outlet pipe 9 to be opened, and simultaneously controls the electromagnetic valve two 14 on the pipe 10 to be closed, the discharge of the sludge is stopped, the excessive discharge of the sludge is avoided, the sludge amount in the sedimentation tank 1 is too small, and the large amount of the water in the sedimentation tank 1 is also avoided to be discharged through the pipe 10. Thus, the present embodiment utilizes the sludge monitoring unit to realize automatic sludge discharge and automatic stop of sludge discharge, so as to prevent excessive sludge accumulation from being discharged through the water outlet pipe 9, and also prevent excessive sludge discharge through the water discharge pipe 10 from causing a large amount of water to be discharged through the water discharge pipe 10, thereby ensuring the amount of sludge in the sedimentation tank 1, and further ensuring the treatment effect of microbial metabolism on water.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. An automatic control device for sewage treatment, which comprises a sedimentation tank, wherein the sedimentation tank is communicated with a water outlet pipe and a discharge pipe, and the water outlet pipe is higher than the discharge pipe; the method is characterized in that: the sedimentation tank is internally provided with a sludge monitoring unit for monitoring the thickness of sludge, the water outlet pipe is provided with a first electromagnetic valve controlled by the sludge monitoring unit, and the discharge pipe is provided with a second electromagnetic valve controlled by the sludge monitoring unit.
2. An automated control apparatus for wastewater treatment according to claim 1, characterized in that: the sludge monitoring unit comprises a transparent pipe, a controller and an image processing system, the transparent pipe is vertically arranged, the bottom end of the transparent pipe is closed, an upper shooting component and a lower shooting component are arranged in the transparent pipe, the upper shooting component and the lower shooting component are both positioned between the water outlet pipe and the water outlet pipe, and the upper shooting component and the lower shooting component both comprise an illuminating lamp and a camera; the image processing system receives images shot by the camera, processes and analyzes the images, and transmits an analysis result to the controller, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received analysis result.
3. An automated control apparatus for wastewater treatment according to claim 1, characterized in that: the sludge monitoring unit comprises a left transparent pipe, a right transparent pipe and a controller, wherein the left transparent pipe and the right transparent pipe are vertically arranged, the bottom ends of the left transparent pipe and the right transparent pipe are sealed, a first visible light emitter and a second visible light emitter are arranged in the left transparent pipe, a first visible light receiver corresponding to the first visible light emitter and a second visible light receiver corresponding to the second visible light emitter are arranged in the right transparent pipe, the first visible light emitter, the second visible light emitter, the first visible light receiver and the second visible light receiver are all located between the water outlet pipe and the pipe, the first visible light receiver and the second visible light receiver convert optical signals into electric signals and transmit the electric signals to the controller, and the controller controls the first electromagnetic valve and the second electromagnetic valve to work according to the received electric signals.
4. Automated control device for sewage treatment according to any of claims 1-3, characterized in that: the water outlet pipe is provided with a first manual valve, and the discharge pipe is provided with a second manual valve.
5. An automated control apparatus for wastewater treatment according to claim 4, characterized in that: an aeration tank is arranged beside the sedimentation tank, the aeration tank is communicated with the sedimentation tank through a pipeline, and a heating assembly for heating water is arranged in the aeration tank.
6. An automated control apparatus for wastewater treatment according to claim 5, characterized in that: the heating assembly comprises a plurality of heating rods, the top ends of the heating rods are fixedly connected with a connecting plate, and the connecting plate is detachably connected to the top ends of the side walls of the aeration tank.
7. An automated control apparatus for wastewater treatment according to claim 6, characterized in that: the solar energy plate is arranged above the aeration tank and electrically connected with a storage battery, the storage battery is electrically connected with the heating rod, and a switch is arranged between the storage battery and the heating rod.
8. An automated control apparatus for wastewater treatment according to claim 2, characterized in that: the transparent tube is made of toughened glass.
9. An automated control apparatus for wastewater treatment according to claim 3, characterized in that: the left transparent tube and the right transparent tube are both made of toughened glass.
10. An automated control apparatus for wastewater treatment according to claim 5, characterized in that: the pipeline is L-shaped, the bottom end of the pipeline is positioned at the bottom of the aeration tank, the top end of the pipeline is positioned in the sedimentation tank, and a water pump is arranged on the pipeline.
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Cited By (1)
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| CN107339797A (en) * | 2017-07-18 | 2017-11-10 | 广西通盟电器有限公司 | A kind of bathroom combination |
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