CN112979003A - Bipolar plate wastewater primary treatment device - Google Patents
Bipolar plate wastewater primary treatment device Download PDFInfo
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- CN112979003A CN112979003A CN202110253363.6A CN202110253363A CN112979003A CN 112979003 A CN112979003 A CN 112979003A CN 202110253363 A CN202110253363 A CN 202110253363A CN 112979003 A CN112979003 A CN 112979003A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 36
- 238000011221 initial treatment Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 170
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000001556 precipitation Methods 0.000 claims abstract description 15
- 239000002244 precipitate Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 129
- 239000002699 waste material Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 18
- 238000010992 reflux Methods 0.000 claims description 15
- 239000003377 acid catalyst Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 230000032258 transport Effects 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000005273 aeration Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000010186 staining 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- 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
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a bipolar plate wastewater primary treatment device, which comprises a water collecting tank, a first reaction liquid adding device, a PH value adjusting device, a filtering device, a second reaction tank, a second reaction liquid adding device and a PLC (programmable logic controller) control box, wherein the water collecting tank is connected with the water inlet end of the PH value adjusting device; compared with the prior art: the PH value and the temperature which are strictly controlled during the reaction in the first reaction tank can enable the reaction to be more sufficient, and through filtering and precipitation, the precipitate can be refluxed to the first reaction tank again for reaction, so that the wastewater treatment is cleaner in a circulating mode.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a bipolar plate wastewater primary treatment device.
Background
In the production process of factory, can produce very much waste water, if direct discharge, will the polluted environment, so generally all will set up special sewage treatment system now, handle to the pollutant in the sewage to make waste water discharge under the condition of non-staining environment, but among the current sewage treatment technique, lack the effluent treatment plant that can handle a large amount of sewage, can make it reach emission standard moreover.
Disclosure of Invention
In view of the above, the present invention provides a bipolar plate wastewater primary treatment device to solve at least one of the problems in the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
a bipolar plate wastewater primary treatment device comprises a water collecting tank, a first reaction liquid adding device, a PH value adjusting device capable of adjusting the PH value in the first reaction tank and playing a role of catalysis during reaction, a filtering device for separating solid and liquid of mixed liquid after reaction, a second reaction tank, a second reaction liquid adding device and a PLC control box, wherein the water collecting tank is connected with the water inlet end of the PH value adjusting device, the PH value adjusting device is connected with the water inlet end of the first reaction tank, the water outlet end of the first reaction tank is connected with the water inlet end of the filtering device, the top of the first reaction tank is connected with the first reaction liquid adding device, the water outlet end of the filtering device is connected with the water inlet end of the second reaction tank, the bottom of the second reaction tank is connected with the top of the first reaction tank, the water outlet end of the second reaction tank is connected with the water inlet end of the reaction tank, a first electromagnetic valve is arranged at the, the top of the reaction tank is connected with a second reaction liquid adding device; the reaction tank and the first reaction tank are both connected with the water inlet end of the waste liquid collecting and refluxing device, the water collecting tank is connected with the water outlet end of the waste liquid collecting and refluxing device, and the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box;
a solid-state precipitation backflow pipe is arranged at the bottom of the second reaction tank, one end of the solid-state precipitation backflow pipe is connected with the bottom of the second reaction tank, the other end of the solid-state precipitation backflow pipe is connected with the top of the first reaction tank, a second electromagnetic valve is further arranged at the joint of the solid-state precipitation backflow pipe and the bottom of the second reaction tank, and the input end of the second electromagnetic valve is connected with the output end of the PLC control box;
the reaction tank is internally provided with a second liquid level meter, a COD detector for detecting the quality of liquid after reaction in the reaction tank and an acid-proof pump capable of transporting the liquid after reaction to the next treatment stage, the output ends of the second liquid level meter and the COD detector are connected with the input end of a PLC control box, and the input end of the acid-proof pump is connected with the output end of the PLC control box;
waste water in the water catch bowl is flowing into a retort through PH adjusting device in, then the waste liquid behind filter equipment flows into No. two retort, the waste liquid is after No. two retort reaction set times, open first solenoid valve, the supernatant flows into in the retort, then open the second solenoid valve, make bottom precipitate continue to flow into a retort and carry out the circulation reaction, No. two dosing pumps add the reaction liquid to the reaction tank in and react, when being less than and setting for the COD value, the acid-proof pump transports this liquid into next processing stage, reach the settlement liquid level in the reaction tank, and be higher than and set for the COD value, this liquid enters into waste liquid collection reflux unit, reentrant water catch bowl circulation treatment.
Preferably, be equipped with first level gauge, the immersible pump of liquid level in the detectable catch basin in the catch basin, first level gauge is connected with PLC control box input, and the immersible pump is connected with PLC control box output.
Preferably, the PH adjusting device comprises an acid catalyst tank, a catalyst dosing pump and a pipeline mixer, wherein the water inlet end of the pipeline mixer is connected to the water outlet end of the submersible pump, the water outlet end of the pipeline mixer is connected to the water inlet end of the first reaction tank, the catalyst dosing pump is arranged in the acid catalyst tank, the liquid outlet end of the catalyst dosing pump is communicated with the middle position of the pipeline mixer, and the catalyst dosing pump is connected with the PLC control output end.
Preferably, be equipped with in the retort No. one PH probe of locating the end of intaking, locate No. two PH probes of jar internal wall, third level gauge, transport the booster pump in the filter equipment, be used for keeping reaction temperature's heating device with the mixed liquid after the reaction, a PH probe, No. two PH probes, third level gauge all are connected with the PLC control box input, and booster pump, heating device input all are connected with PLC control box output.
Preferably, a reaction liquid adds the device and includes a reaction fluid reservoir and a dosing pump, and a dosing pump sets up in a reaction fluid reservoir, and a dosing pump goes out the medicine end and is connected with a reaction tank top, and a dosing pump input is connected with PLC control box output.
Preferably, the filtering device comprises a bag type filtering machine, the liquid outlet end of the bag type filtering machine is connected with the water inlet end of the second reaction tank, and the input end of the bag type filtering machine is connected with the output end of the PLC control box.
Preferably, No. two reaction liquid add the device and include No. two reaction fluid tanks and No. two dosing pumps, No. two dosing pumps set up in No. two reaction fluid tanks, and No. two dosing pump goes out the medicine end and is connected with the reaction tank top, and No. two dosing pump input is connected with PLC control box output.
Preferably, reflux unit is collected to waste liquid includes first liquid pump, second liquid pump, third liquid pump, emergent pond, and first liquid pump sets up in a retort, and the second liquid pump sets up in the reaction pond, and the third liquid pump sets up in emergent pond, and the play water end of first liquid pump, second liquid pump all connects at emergent pond top, and the play water end of third liquid pump is connected at the catch basin top, and first liquid pump, second liquid pump, third liquid pump control end all are connected with PLC control box output.
Preferably, the reaction tank is also connected with a blower capable of aerating and stirring liquid during waste liquid reaction, and the control end of the blower is connected with the output end of the PLC control box.
Preferably, heating device includes heating sleeve and temperature sensor, and the temperature sensor output is connected with PLC control box input, and heating sleeve is connected with PLC control box output.
Preferably, the volume of the water collecting tank is 18-20m3。
Preferably, the water content of the first reaction tank is 4-5 t.
Preferably, the water holding capacity of the reaction tank II is 3-4 t.
Preferably, the volume of the emergency pool is 54-56m3。
The invention has the beneficial effects that: the PH value and the temperature of strict control in the reaction in the retort can make the reaction more abundant, through filtering the sediment, can flow back a retort reaction once more with the precipitate, the circulation is reciprocal can make that waste water can handle cleaner, liquid in the reaction tank has increased the aeration stirring at the reaction, make more abundant of reaction liquid reaction, if do not reach the water quality testing standard, still can flow into the catch basin again, above-mentioned process of recirculation has once more ensured that reaction back quality of water has reached the COD standard.
Drawings
FIG. 1 is a schematic plan flow diagram of the present invention;
FIG. 2 is a schematic view showing the connection between a second reaction tank and a reaction tank;
FIG. 3 is a schematic diagram of the present invention;
in the figure, 1, a water collecting tank; 2. a first reaction tank; 3. a bag filter; 4. a second reaction tank; 5. a reaction tank; 6. a first liquid level meter; 7. a submersible pump; 8. an acid catalyst tank; 9. a catalyst dosing pump; 10. a pipeline mixer; 11. a PH probe; 12. a second PH probe; 13. a booster pump; 14. heating the sleeve; 15. a temperature sensor; 16. a first reaction liquid tank; 17. a first dosing pump; 18. a solid precipitation return pipe; 19. a first solenoid valve; 20. a second solenoid valve; 21. a second reaction liquid tank; 22. a second dosing pump; 23. a second level gauge; 24. a COD detector; 25. an acid-resistant pump; 26. a blower; 27. a first liquid pump; 28. a second liquid pump; 29. an emergency pool; 30. a third liquid pump; 31. PLC control box, 32, third level gauge.
Detailed Description
To further explain the technical features and contents of the present invention, the present invention is described in detail below with reference to the accompanying drawings.
In fig. 1-3, a bipolar plate wastewater primary treatment device comprises a water collecting tank 1, a first reaction tank 2, a first reaction liquid adding device, a PH value adjusting device capable of adjusting the PH value in the first reaction tank 2 and playing a role of catalysis during reaction, a filtering device for separating solid and liquid of mixed liquid after reaction, a second reaction tank 4, a reaction tank 5, a second reaction liquid adding device and a PLC control box 31, wherein the water collecting tank 1 is connected with the water inlet end of the PH value adjusting device, the PH value adjusting device is connected with the water inlet end of the first reaction tank 2, the water outlet end of the first reaction tank 2 is connected with the water inlet end of the filtering device, the top of the first reaction tank 2 is connected with the first reaction liquid adding device, the water outlet end of the filtering device is connected with the water inlet end of the second reaction tank 4, the bottom of the second reaction tank 4 is connected with the top of the first reaction tank 2, the water outlet end of the second reaction tank 4 is connected with the water inlet end of the reaction tank 5, the first electromagnetic valve 19 is connected with the PLC control box 31, the top of the reaction tank 5 is connected with a second reaction liquid adding device, the water outlet end of the second reaction tank 4 is arranged below the side surface of the second reaction tank 4, and supernatant liquid can flow into the reaction tank 5 after solid-liquid separation of the second reaction tank 4; the device also comprises a waste liquid collecting and refluxing device for emergently storing waste liquid, wherein the reaction tank 5 and the first reaction tank 2 are both connected with the water inlet end of the waste liquid collecting and refluxing device, the water collecting tank 1 is connected with the water outlet end of the waste liquid collecting and refluxing device, and the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box 31;
the water collecting tank 1 is internally provided with a first liquid level meter 6 and a submersible pump 7 which can detect the liquid level in the water collecting tank 1, the first liquid level meter 6 is connected with the input end of a PLC control box 31, the submersible pump 7 is connected with the output end of the PLC control box 31, the liquid level meter detects the water level in the water collecting tank 1 in real time, when the set water level is reached, the first liquid level meter 6 transmits a sensing signal to the PLC control box 31, the PLC control box 31 outputs an electric signal to the submersible pump 7, so that the submersible pump 7 is switched on in a circuit, and the operation is started;
the PH adjusting device comprises an acid catalyst tank 8, a catalyst dosing pump 9 and a pipeline mixer 10, wherein the water inlet end of the pipeline mixer 10 is connected with the water outlet end of a submersible pump 7, the water outlet end of the pipeline mixer is connected with the water inlet end of a first reaction tank 2, the catalyst dosing pump 9 is arranged in the acid catalyst tank 8, the liquid outlet end of the catalyst dosing pump 9 is communicated with the middle position of the pipeline mixer 10, the catalyst dosing pump 9 is connected with the output end of a PLC control end, when the submersible pump 7 works, the PLC control box 31 simultaneously outputs an electric signal to the catalyst dosing pump 9 to enable the catalyst dosing pump 9 to start working, an acid catalyst is conveyed into the pipeline mixer 10, when waste water passes through the pipeline mixer 10, the acid catalyst is mixed with the waste water, and the PH value of the mixed waste water is adjusted;
the first PH probe 11 arranged at a water inlet end, the second PH probe 12 arranged on the inner wall of the tank body, a third liquid level meter 32, a booster pump 13 for conveying mixed liquid after reaction to a filtering device and a heating device for keeping reaction temperature are arranged in the first reaction tank 2, the first PH probe 11, the second PH probe 12 and the third liquid level meter 32 are all connected with the input end of a PLC control box 31, the booster pump 13 and the input end of the heating device are all connected with the output end of the PLC control box 31, the first PH probe 11 detects the PH value of the wastewater when the wastewater enters the first reaction tank 2, the second PH probe 12 detects the PH value of the wastewater in the first reaction tank 2 in real time, the third liquid level meter 32 detects the liquid level of the first reaction tank 2 in real time, when the first PH probe 11 detects the PH value of the wastewater and reaches 2-3, the PLC control box 31 outputs an electric signal to close a catalyst dosing pump 9, when the third liquid level meter 32 detects that the wastewater in the first reaction tank 2 reaches a set value, the submersible pump 7 and the catalyst dosing pump 9 stop working, when the pH value of liquid in the reaction tank is detected to be greater than 2-3 by the second PH probe 12, the PLC control box 31 starts the catalyst dosing pump 9 again to add an acid catalyst into the first reaction tank 2, the pH value in the first reaction tank 2 is adjusted, and when the pH value is detected to be 2-3 by the second PH probe 12, the PLC control box 31 starts a first reaction liquid adding device;
the first reaction liquid adding device comprises a first reaction liquid tank 16 and a first dosing pump 17, the first dosing pump 17 is arranged in the first reaction liquid tank 16, the medicine outlet end of the first dosing pump 17 is connected with the top of the first reaction tank 2, the input end of the first dosing pump 17 is connected with the output end of the PLC control box 31, the PLC control box 31 controls the first dosing pump 17 to add reaction liquid into the first reaction tank 2, after the set time is reached, the PLC control box 31 controls the first dosing pump 17 to stop adding reaction liquid, the heating device controls the reaction temperature, and the proper temperature of the reaction is ensured;
the filtering device comprises a bag type filtering machine 3, the liquid outlet end of the bag type filtering machine 3 is connected with the water inlet end of a second reaction tank 4, the input end of the bag type filtering machine 3 is connected with the output end of a PLC control box 31, after liquid in a first dosing pump 17 reacts for a period of time, the PLC control box 31 controls a booster pump 13 and the bag type filtering machine 3 to start working, solid-liquid separation is carried out on the waste water after reaction in the first reaction tank 2, solid substances are blocked in the bag type filtering machine 3 and are manually removed, and liquid substances enter the second reaction tank 4 to continue to react;
a solid precipitation backflow pipe 18 is arranged at the bottom of the second reaction tank 4, one end of the solid precipitation backflow pipe 18 is connected with the bottom of the second reaction tank 4, the other end of the solid precipitation backflow pipe 18 is connected with the top of the first reaction tank 2, a second electromagnetic valve 20 is further arranged at the joint of the solid precipitation backflow pipe 18 and the bottom of the second reaction tank 4, the input end of the second electromagnetic valve 20 is connected with the output end of the PLC control box 31, when liquid wastewater continuously reacts in the second reaction tank 4 for a set time, solid precipitation appears at the bottom of the second reaction tank 4, clear water is arranged at the upper part of the second reaction tank 4, the PLC control box 31 controls the first electromagnetic valve 19 to be opened for a certain time and then closed, so that the upper clear water flows into the reaction tank 5, and after the first electromagnetic valve 19 is closed, the PLC control box 31 controls the second electromagnetic valve 20 to be opened for a certain;
the second reaction liquid adding device comprises a second reaction liquid tank 21 and a second dosing pump 22, the second dosing pump 22 is arranged in the second reaction liquid tank 21, the medicine outlet end of the second dosing pump 22 is connected with the top of the reaction tank 5, the input end of the second dosing pump 22 is connected with the output end of the PLC control box 31, after the first electromagnetic valve 19 is closed, the PLC control box 31 controls the second dosing pump 22 to operate for a set time, a certain amount of reaction liquid is added into the reaction tank 5, and after the addition is completed, the PLC control box 31 controls the blower 26 to operate intermittently, so that the liquid in the reaction tank 5 is aerated and stirred, and the liquid in the reaction tank 5 is fully reacted;
the reaction tank 5 is internally provided with a second liquid level meter 23, a COD detector 24 for detecting the quality of the liquid after reaction in the reaction tank 5 and an acid-proof pump 25 capable of transporting the liquid after reaction to the next treatment stage, the output ends of the second liquid level meter 23 and the COD detector 24 are connected with the input end of the PLC control box 31, and the input end of the acid-proof pump 25 is connected with the output end of the PLC control box 31; when the wastewater level reaches the set height and the COD is lower than the standard value after the liquid in the reaction tank 5 reacts for the set time, the PLC control box 31 can be connected with the acid-proof pump 25 to enable the acid-proof pump 25 to pump the wastewater into the next treatment stage; when the COD value is higher than the standard value and the water level reaches the early warning value, the waste water is pumped into the waste liquid reflux device.
In this embodiment, the waste liquid collecting and returning device includes a first liquid pump 27, a second liquid pump 28, a third liquid pump 30, and an emergency tank 29, the first liquid pump 27 is disposed in the first reaction tank 2, the second liquid pump 28 is disposed in the reaction tank 5, the third liquid pump 30 is disposed in the emergency tank 29, water outlet ends of the first liquid pump 27 and the second liquid pump 28 are both connected to the top of the emergency tank 29, a water outlet end of the third liquid pump 30 is connected to the top of the water collecting tank 1, and control ends of the first liquid pump 27, the second liquid pump 28, and the third liquid pump 30 are all connected to an output end of the PLC control box 31; when the equipment needs to be maintained, the first liquid pump 27, the second liquid pump 28 and the third liquid pump 30 can be manually controlled on the PLC control box 31 so as to conveniently store the waste water in the emergency pool 29 during maintenance, and when the equipment runs normally after maintenance, the waste water returns to the water collecting pool 1 again for circular treatment.
In this embodiment, the reaction tank 5 is underground, and is connected with a blower 26 capable of aerating and stirring liquid during waste liquid reaction, and the control end of the blower 26 is connected with the output end of the PLC control box 31; when the reaction tank 5 is in reaction, the blower 26 can supply air into the reaction tank 5, so as to aerate and stir the reaction tank 5, and make the reaction more complete.
In this embodiment, the heating device includes a heating sleeve 14 and a temperature sensor 15, an output end of the temperature sensor 15 is connected with an input end of the PLC control box 31, and the heating sleeve 14 is connected with an output end of the PLC control box 31; the temperature sensor 15 can detect the reaction temperature in real time when the liquid in the first reaction tank 2 reacts, and when the reaction temperature is lower than the set temperature, the sensing signal is transmitted to the PLC control box 31, so that the PLC control box 31 starts the heating sleeve 14 to heat the liquid, and after the liquid is heated to the set temperature, the PLC control box 31 controls the heating sleeve 14 to stop heating.
In this embodiment, the reaction solution is hydrogen peroxide, and the volume of the water collecting tank 1 is 18-20m3(ii) a The water containing amount of the first reaction tank 2 is 4-5 t; the water containing amount of the second reaction tank 4 is 3-4 t; the volume of the emergency pool 29 is 54-56m3。
It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; the circuits described in the present invention are all circuits commonly used in the art, and other related components are all components commonly used in the art, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Bipolar plate waste water primary treatment device, its characterized in that: comprises a water collecting tank, a first reaction liquid adding device, a PH value adjusting device which can adjust the PH value in the first reaction tank and has a catalytic action during the reaction, a filtering device which can separate the solid and the liquid of the mixed liquid after the reaction, a second reaction tank, a second reaction liquid adding device and a PLC control box, wherein the water collecting tank is connected with the water inlet end of the PH value adjusting device, the PH value adjusting device is connected with the water inlet end of the first reaction tank, the water outlet end of the first reaction tank is connected with the water inlet end of the filtering device, the top of the first reaction tank is connected with the first reaction liquid adding device, the water outlet end of the filtering device is connected with the water inlet end of the second reaction tank, the bottom of the second reaction tank is connected with the top of the first reaction tank, and the water outlet end of the second, a first electromagnetic valve is arranged at the joint and connected with the PLC control box, and the top of the reaction tank is connected with a second reaction liquid adding device; the reaction tank and the first reaction tank are both connected with the water inlet end of the waste liquid collecting and refluxing device, the water collecting tank is connected with the water outlet end of the waste liquid collecting and refluxing device, and the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box;
a solid-state precipitation backflow pipe is arranged at the bottom of the second reaction tank, one end of the solid-state precipitation backflow pipe is connected with the bottom of the second reaction tank, the other end of the solid-state precipitation backflow pipe is connected with the top of the first reaction tank, a second electromagnetic valve is further arranged at the joint of the solid-state precipitation backflow pipe and the bottom of the second reaction tank, and the input end of the second electromagnetic valve is connected with the output end of the PLC control box;
the reaction tank is internally provided with a second liquid level meter, a COD detector for detecting the quality of liquid after reaction in the reaction tank and an acid-proof pump capable of transporting the liquid after reaction to the next treatment stage, the output ends of the second liquid level meter and the COD detector are connected with the input end of a PLC control box, and the input end of the acid-proof pump is connected with the output end of the PLC control box;
waste water in the water catch bowl is flowing into a retort through PH adjusting device in, then the waste liquid behind filter equipment flows into No. two retort, the waste liquid is after No. two retort reaction set times, open first solenoid valve, the supernatant flows into in the retort, then open the second solenoid valve, make bottom precipitate continue to flow into a retort and carry out the circulation reaction, No. two dosing pumps add the reaction liquid to the reaction tank in and react, when being less than and setting for the COD value, the acid-proof pump transports this liquid into next processing stage, reach the settlement liquid level in the reaction tank, and be higher than and set for the COD value, this liquid enters into waste liquid collection reflux unit, reentrant water catch bowl circulation treatment.
2. The bipolar plate wastewater primary treatment device according to claim 1, wherein: be equipped with first level gauge, the immersible pump of liquid level in the detectable catch basin in the catch basin, first level gauge is connected with PLC control box input, and the immersible pump is connected with PLC control box output.
3. The bipolar plate wastewater primary treatment device according to claim 1, wherein: the PH adjusting device comprises an acid catalyst tank, a catalyst dosing pump and a pipeline mixer, wherein the water inlet end of the pipeline mixer is connected to the water outlet end of the submersible pump, the water outlet end of the pipeline mixer is connected to the water inlet end of the first reaction tank, the catalyst dosing pump is arranged in the acid catalyst tank, the liquid outlet end of the catalyst dosing pump is communicated with the middle position of the pipeline mixer, and the catalyst dosing pump is connected with the PLC control output end.
4. The bipolar plate wastewater primary treatment device according to claim 1, wherein: a PH probe that is equipped with in the retort and locates the end of intaking, locate No. two PH probes of jar internal wall, third level gauge, transport the booster pump in the filter equipment, be used for keeping reaction temperature's heating device with the mixed liquid after the reaction, a PH probe, No. two PH probes, third level gauge all are connected with the PLC control box input, and booster pump, heating device input all are connected with PLC control box output.
5. The bipolar plate wastewater primary treatment device according to claim 1, wherein: a reaction liquid adds the device and includes a reaction fluid reservoir and a dosing pump, and a dosing pump sets up in a reaction fluid reservoir, and a dosing pump goes out the medicine end and is connected with a reaction tank top, and a dosing pump input is connected with PLC control box output.
6. The bipolar plate wastewater primary treatment device according to claim 1, wherein: the filter device comprises a bag type filter, the liquid outlet end of the bag type filter is connected with the water inlet end of the second reaction tank, and the input end of the bag type filter is connected with the output end of the PLC control box.
7. The bipolar plate wastewater primary treatment device according to claim 1, wherein: no. two reaction liquid adds the device and includes No. two reaction fluid tanks and No. two dosing pumps, and No. two dosing pumps set up in No. two reaction fluid tanks, and No. two dosing pumps go out the medicine end and are connected with the reaction tank top, and No. two dosing pump input ends are connected with the PLC control box output.
8. The bipolar plate wastewater primary treatment device according to claim 1, wherein: reflux unit is collected to waste liquid includes first liquid pump, second liquid pump, third liquid pump, emergent pond, and first liquid pump sets up in a retort, and the second liquid pump sets up in the reaction pond, and the third liquid pump sets up in emergent pond, and the play water end of first liquid pump, second liquid pump all connects at emergent pond top, and the play water end of third liquid pump is connected at the catch basin top, and first liquid pump, second liquid pump, third liquid pump control end all are connected with PLC control box output.
9. A bipolar plate wastewater primary treatment device according to claim 8, wherein: the reaction tank is also connected with a blower which can perform liquid aeration stirring during waste liquid reaction, and the control end of the blower is connected with the output end of the PLC control box.
10. The bipolar plate wastewater primary treatment device according to claim 1, wherein: the heating device comprises a heating sleeve and a temperature sensor, the output end of the temperature sensor is connected with the input end of the PLC control box, and the heating sleeve is connected with the output end of the PLC control box.
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| CN202110253363.6A CN112979003A (en) | 2021-03-05 | 2021-03-05 | Bipolar plate wastewater primary treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110253363.6A CN112979003A (en) | 2021-03-05 | 2021-03-05 | Bipolar plate wastewater primary treatment device |
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| CN112979003A true CN112979003A (en) | 2021-06-18 |
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Cited By (1)
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| CN117383676A (en) * | 2023-12-13 | 2024-01-12 | 华南科技(宁德)有限公司 | Flocculant stirring device for sewage treatment |
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