CN112979002A - Bipolar plate wastewater treatment and discharge device - Google Patents

Bipolar plate wastewater treatment and discharge device Download PDF

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Publication number
CN112979002A
CN112979002A CN202110253339.2A CN202110253339A CN112979002A CN 112979002 A CN112979002 A CN 112979002A CN 202110253339 A CN202110253339 A CN 202110253339A CN 112979002 A CN112979002 A CN 112979002A
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China
Prior art keywords
tank
reaction
water
pump
wastewater
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CN202110253339.2A
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Chinese (zh)
Inventor
史东也
罗雪莲
龙键
胡继祥
雷鹏
鲁智宏
张红
叶正阳
张德林
罗新望
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Wuhan Huisen Innovation Technology Co ltd
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Wuhan Huisen Innovation Technology Co ltd
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Priority to CN202110253339.2A priority Critical patent/CN112979002A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/005Processes using a programmable logic controller [PLC]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]

Abstract

A bipolar plate wastewater treatment and discharge device comprises a wastewater tank, a water collecting tank, a nanofiltration membrane concentration device and a flocculation precipitation water outlet device, wherein the wastewater tank is connected with the nanofiltration membrane concentration device; the nanofiltration membrane concentration device comprises a nanofiltration membrane unit and a nanofiltration intermediate tank, wherein a concentrated water outlet end and a clear water collecting and recycling end are arranged on the nanofiltration membrane unit, the concentrated water outlet end is connected with a water collecting tank, and the clear water collecting and recycling end is connected with a water inlet end of the nanofiltration intermediate tank; the flocculation precipitation effluent device comprises a flocculation precipitation treatment device capable of realizing flocculation precipitation and PH adjustment, a concentrated sludge tank, a screw pump and a filter press, wherein the flocculation precipitation treatment device is provided with a sludge pipeline for discharging sludge, the sludge pipeline is connected with the inlet end of the concentrated sludge tank, and the concentrated sludge tank is connected with the inlet end of the filter press through the screw pump. The invention has the advantages that: the water quantity of the wastewater to be treated is reduced, and on the other hand, the filtered clean water can be reused, so that the wastewater treatment efficiency is further improved.

Description

Bipolar plate wastewater treatment and discharge device
Technical Field
The invention relates to a bipolar plate wastewater treatment and discharge device.
Background
In the production process of a factory, a great deal of wastewater is generated and can pollute the environment if being directly discharged, so that a special sewage treatment system is generally arranged at present to treat pollutants in the wastewater, so that the wastewater can be discharged under the condition of not polluting the environment, but the existing sewage treatment technology lacks a wastewater treatment device which can treat a large amount of wastewater and can ensure that the wastewater can reach the discharge standard;
at present, bipolar plate wastewater treatment methods are widely applied in the market, but the general bipolar plate wastewater treatment methods only have primary treatment, cannot recycle the treated wastewater, do not have the functions of nanofiltration membrane concentration treatment and reuse of filtered clear water, waste water resources, and are relatively lack of pH value regulation and control in the wastewater and the application of a flocculation precipitation method, so that the efficiency and the quality of wastewater treatment are reduced.
Disclosure of Invention
In view of the above, the present invention is directed to a bipolar plate wastewater treatment and discharge device, which solves at least one of the problems of the prior art.
The technical scheme adopted for realizing the aim of the invention is that the bipolar plate wastewater treatment and discharge device comprises a wastewater tank for storing wastewater, a water collecting tank, a nanofiltration membrane concentration device for performing nanofiltration membrane concentration treatment on the wastewater and a flocculation precipitation water outlet device, wherein the wastewater tank is connected with the nanofiltration membrane concentration device to guide the wastewater into the nanofiltration membrane concentration device, and the wastewater tank is an open-close type convenient to clean; the nanofiltration membrane concentration device comprises a nanofiltration membrane unit and a nanofiltration intermediate tank, wherein the nanofiltration membrane unit is connected with the wastewater tank and is used for leading in wastewater, a concentrated water outlet end and a clear water collecting and recycling end are arranged on the nanofiltration membrane unit, the concentrated water outlet end is connected with the water collecting tank, and the clear water collecting and recycling end is connected with a water inlet end of the nanofiltration intermediate tank and is used for temporarily storing and recycling the clear water after the nanofiltration membrane concentration treatment; the flocculation precipitation water outlet device comprises a flocculation precipitation treatment device capable of realizing flocculation precipitation and PH adjustment, a concentrated sludge tank, a screw pump and a filter press, wherein the flocculation precipitation treatment device is provided with a sludge pipeline for discharging sludge, the sludge pipeline is connected with the inlet end of the concentrated sludge tank, the concentrated sludge tank is connected with the inlet end of the filter press through the screw pump, the sludge in the concentrated sludge tank is pumped into the filter press through a sludge pump for filter pressing, the filter press is a plate and frame filter press, and the sludge after filter pressing is transported outwards;
the flocculation sedimentation treatment device comprises a flocculation sedimentation tank, a water outlet stabilization tank and a PH neutralization tank, wherein the inlet end of the flocculation sedimentation tank is connected with the PH neutralization tank, the outlet end of the flocculation sedimentation tank is connected with the water outlet stabilization tank, and the flocculation sedimentation tank is connected with the concentrated sludge tank through a sludge pipeline for sewage discharge;
the upper part of the flocculation sedimentation tank is provided with a sedimentation tank central pipe for wastewater to flow in, and the bottom of the flocculation sedimentation tank is provided with a sludge pipeline for discharging sludge;
the PH neutralization tank is provided with an inlet end and an outlet end, the outlet end is connected with the inlet end of the flocculation sedimentation tank through a sedimentation tank central tube, the PH neutralization tank is internally divided into a PH adjusting part capable of adjusting the PH value of wastewater in the PH neutralization tank and a PAM flocculant dosing part for dosing PAM flocculant to the wastewater after the PH value is adjusted, the outlet ends of the PH adjusting part and the PAM flocculant dosing part are provided with electromagnetic valves, the PH adjusting part is respectively connected with a PH adjusting device, a PH automatic control instrument capable of detecting the PH value in the PH neutralization tank and a first PLC control box, the output end of the PH automatic control instrument is connected with the input end of the first PLC control box, the output end of the first PLC control box is connected with the input end of the PH adjusting device, and the PH automatic control instrument and the PH adjusting device detect and adjust the PH value of the wastewater in the PH;
the PAM flocculating agent dosing part is connected with a precipitating agent dosing device into which a flocculating agent PAM can be fed, the input end of the precipitating agent dosing device is connected with the output end of the first PLC control box, the output end of the first PLC control box is connected with the electromagnetic valve, flocculating agent PAM is fed into a PH neutralization tank where the PH value of the wastewater reaches 7-8, flocculation precipitation reaction is promoted in the flocculation precipitation tank, the wastewater is divided into upper clarified water and lower sludge from bottom to top, the clarified water enters the effluent stabilizing tank from the outlet at the upper end of the flocculation precipitation tank through overflow, and the lower sludge is discharged through a sludge pipeline;
go out the upper end exit linkage of intaking end and flocculation and precipitation pond of water stabilization, the clarified water after the flocculation and precipitation processing overflows from the export of flocculation and precipitation pond upper end and gets into out the water stabilization pond, and goes out the water stabilization pond and be equipped with the water quality monitoring appearance that detects water quality in the pond, and water quality monitoring appearance detects the water quality in the pond of going out the water stabilization.
Furthermore, the device also comprises a pipeline distribution net which is a plurality of pipelines and is used for communicating the nanofiltration intermediate tank with the water outlet stabilization tank.
Further, PH adjusting device includes PH regulator, No. three dosing pumps, and the input of No. three dosing pumps is connected with the output of first PLC control box, can be with the leading-in PH of PH regulator in the jar with neutralization through No. three dosing pumps.
Further, the precipitating agent adding device comprises a flocculating agent PAM and a fourth dosing pump, the input end of the fourth dosing pump is connected with the output end of the first PLC control box, and the flocculating agent PAM can be put into the PH neutralization tank for adjusting the PH value of the wastewater through the fourth dosing pump.
Furthermore, the flocculation sedimentation tank adopts a semi-underground structure, the bottom of the tank is funnel-shaped, the top of the flocculation sedimentation tank is 1.6m higher than the ground, and the depth of the tank is 5 m.
Further, the device comprises a first reaction 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, a PLC control box and a waste liquid collecting and refluxing device for emergently storing waste liquid, 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 second reaction liquid adding device comprises a second reaction liquid tank and a second dosing pump, the second dosing pump is arranged in the second reaction liquid tank, the medicine outlet end of the second dosing pump is connected with the top of the reaction tank, and the input end of the second dosing pump is connected with the output end of the PLC control box; the reaction tank, a reaction tank is 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, the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box, the waste liquid collecting and refluxing device comprises a first liquid pump, a second liquid pump, a third liquid pump and an emergency pool, the first liquid pump is arranged in the first reaction tank, the second liquid pump is arranged in the reaction tank, the third liquid pump is arranged in the emergency pool, the water outlet ends of the first liquid pump and the second liquid pump are connected to the top of the emergency pool, the water outlet end of the third liquid pump is connected to the top of the water collecting pool, the control ends of the first liquid pump, the second liquid pump and the third liquid pump are connected with the output end of the PLC control box, the reaction tank is also connected with an air blower capable;
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; be equipped with the second level gauge in the reaction tank, be used for detecting the COD detector of reaction back liquid quality in the reaction tank, can transport the acid-proof pump of next processing stage with the liquid after the reaction, second level gauge, COD detector output are connected with the PLC control box input, and acid-proof pump input is connected with the PLC control box output.
Further, 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.
Further, PH adjusting device includes acid catalyst jar, catalyst dosing pump, pipeline mixer, and the end connection of intaking of pipeline mixer is at the play water end of immersible pump, and the end connection of intaking of a retort is held in the play water, and the catalyst dosing pump sets up in acid catalyst jar, and catalyst dosing pump goes out liquid end and pipeline mixer intermediate position intercommunication, and the catalyst dosing pump is connected with PLC control output.
Further, a first PH probe arranged at a water inlet end, a second PH probe arranged on the inner wall of the tank body, a third liquid level meter, a booster pump for conveying the mixed liquid after reaction to a filtering device are arranged in the first reaction tank, a heating device for keeping reaction temperature, a PH probe, No. two PH probes, the third level gauge all is connected with PLC control box input, the booster pump, the heating device input all is connected with PLC control box output, a reaction liquid adds the device and includes reaction fluid reservoir and a dosing pump, a dosing pump sets up in a reaction fluid reservoir, a dosing pump goes out the medicine end and is connected with a reaction tank top, a dosing pump input is connected with PLC control box output, heating device includes heating jacket and temperature sensor, the temperature sensor output is connected with PLC control box input, heating jacket is connected with PLC control box output.
Furthermore, filter equipment includes bag filter, and bag filter goes out the liquid end and is connected with No. two retort end of intaking, and bag filter input and PLC control box output are connected.
The invention has the beneficial effects that: 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, the reaction is filtered and precipitated, precipitates can flow back to the first reaction tank again for reaction, the wastewater can be treated more cleanly through cyclic reciprocation, the aeration stirring is added during the reaction of liquid in the reaction tank, the reaction liquid can react more sufficiently, if the reaction liquid does not reach the water quality detection standard, the reaction liquid can flow into the water collecting tank again, the process is circulated again, the water quality after the reaction reaches the COD standard, after the wastewater is concentrated by the nanofiltration membrane unit, the concentrated water is discharged through the concentrated water outlet end, the clear water is discharged into the nanofiltration intermediate tank through the clear water collection and reuse end, the clear water is collected and reused, the production quality is improved, the wastewater enters the PH neutralization tank, the PH regulation and the flocculating agent adding are carried out through the PH regulation part and the PAM flocculating agent adding part, the PH regulation part is, when the PH value in the tank reaches 7-8, the PLC control box disconnects the dosing pump, dosing is stopped, wastewater after PH adjustment enters a PAM flocculant dosing part, a flocculant is dosed, then the wastewater flows into the bottom of a flocculation and sedimentation tank from a PH neutralization tank through a sedimentation tank center tube for flocculation and sedimentation, the wastewater is clear water from bottom to top, the upper layer is sludge, the lower layer is sludge, the clear water enters a water outlet stabilization tank from the upper end of the flocculation and sedimentation tank through overflow, the lower layer is sludge discharged through a sludge pipeline, a water quality monitor detects the water quality in the water outlet stabilization tank, the wastewater treatment device adopts a bipolar plate catalytic oxidation method, carries out classification treatment on the wastewater discharged from a production line, carries out nanofiltration membrane concentration treatment on other low-concentration wastewater such as secondary cleaning wastewater, on one hand, reduces the water amount of the wastewater to be treated, on the other hand, the filtered clear water can carry out secondary flocculation and sedimentation treatment through the PH neutralization tank and the flocculation and sedimentation tank again, further improving the efficiency of wastewater treatment and ensuring the quality of the treated water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
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;
FIG. 4 is a side view of the present invention;
FIG. 5 is a circuit flow diagram of the present invention;
in the figure, 1, a 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. the system comprises a PLC control box, 32, a third liquid level meter, 33, a nanofiltration membrane unit, 34, a nanofiltration intermediate tank, 35, a concentrated water outlet end, 36, a clean water collecting and recycling end, 37, a pipeline distribution net, 38, an outlet water stabilizing tank, 39, a flocculation sedimentation tank, 40, a sedimentation tank central pipe, 41, a sludge pipeline, 42, a PH neutralization tank, 43, a PH adjusting part, 44, a PAM flocculating agent dosing part, 45.PH automatic control instrument, 46, a first PLC control box, 47, a third dosing pump, 48, a PH adjusting agent, 49, a fourth dosing pump, 50, PAM flocculating agent, 51, a water quality monitor and 52, and an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In fig. 1-5, the technical solution adopted to achieve the object of the present invention is a bipolar plate wastewater treatment and discharge device, which comprises a wastewater tank for storing wastewater, a water collecting tank, a nanofiltration membrane concentration device for performing nanofiltration membrane concentration treatment on the wastewater, and a flocculation precipitation water outlet device, wherein the wastewater tank is of an open-close type for facilitating cleaning, the wastewater tank is connected with the nanofiltration membrane concentration device to guide the wastewater into the nanofiltration membrane concentration device, the nanofiltration membrane concentration device performs membrane concentration on the wastewater, and clear water is collected and recycled to improve production quality; the nanofiltration membrane concentration device comprises a nanofiltration membrane unit and a nanofiltration intermediate tank, wherein the nanofiltration membrane unit is connected with the wastewater tank and is used for leading in wastewater, a concentrated water outlet end and a clear water collecting and recycling end are arranged on the nanofiltration membrane unit, the concentrated water outlet end is connected with the water collecting tank, and the clear water collecting and recycling end is connected with a water inlet end of the nanofiltration intermediate tank and is used for temporarily storing and recycling the clear water after the nanofiltration membrane concentration treatment; the flocculation precipitation water outlet device comprises a flocculation precipitation treatment device capable of realizing flocculation precipitation and PH adjustment, a concentrated sludge tank, a screw pump and a filter press, wherein the flocculation precipitation treatment device is provided with a sludge pipeline for discharging sludge, the sludge pipeline is connected with the inlet end of the concentrated sludge tank, the sludge enters the concentrated sludge tank through the sludge pipeline, the concentrated sludge tank is connected with the inlet end of the filter press through the screw pump, the sludge in the concentrated sludge tank is pumped into the filter press through a sludge pump for filter pressing, the filter press is a plate and frame filter press, and the sludge after filter pressing is transported outwards;
the flocculation sedimentation treatment device comprises a flocculation sedimentation tank, a water outlet stabilization tank and a PH neutralization tank, wherein the inlet end of the flocculation sedimentation tank is connected with the PH neutralization tank, the outlet end of the flocculation sedimentation tank is connected with the water outlet stabilization tank, and the flocculation sedimentation tank is connected with the concentrated sludge tank through a sludge pipeline for sewage discharge;
the upper part of the flocculation sedimentation tank is provided with a sedimentation tank central pipe for wastewater to flow in, and the bottom of the flocculation sedimentation tank is provided with a sludge pipeline for discharging sludge;
the PH neutralization tank is provided with an inlet end and an outlet end, the outlet end is connected with the inlet end of the flocculation sedimentation tank through a sedimentation tank central tube, the PH neutralization tank is internally divided into a PH adjusting part capable of adjusting the PH value of wastewater in the PH neutralization tank and a PAM flocculant dosing part for dosing PAM flocculant to the wastewater after the PH value is adjusted, the outlet ends of the PH adjusting part and the PAM flocculant dosing part are provided with electromagnetic valves, the PH adjusting part is respectively connected with a PH adjusting device, a PH automatic control instrument capable of detecting the PH value in the PH neutralization tank and a first PLC control box, the output end of the PH automatic control instrument is connected with the input end of the first PLC control box, the output end of the first PLC control box is connected with the input end of the PH adjusting device, and the PH automatic control instrument and the PH adjusting device detect and adjust the PH value of the wastewater in the;
the PAM flocculating agent dosing part is connected with a precipitating agent dosing device into which a flocculating agent PAM can be fed, the input end of the precipitating agent dosing device is connected with the output end of the first PLC control box, the output end of the first PLC control box is connected with the electromagnetic valve, flocculating agent PAM is fed into a PH neutralization tank where the PH value of the wastewater reaches 7-8, flocculation precipitation reaction is promoted in the flocculation precipitation tank, the wastewater is divided into upper clarified water and lower sludge from bottom to top, the clarified water enters the effluent stabilizing tank from the outlet at the upper end of the flocculation precipitation tank through overflow, and the lower sludge is discharged through a sludge pipeline;
go out the upper end exit linkage of intaking end and flocculation and precipitation pond of water stabilization, the clarified water after the flocculation and precipitation processing overflows from the export of flocculation and precipitation pond upper end and gets into out water stabilization tank, and goes out the water stabilization tank and be equipped with the water quality monitoring appearance that detects water quality in the pond, and water quality monitoring appearance detects the water quality in the pond of going out water stabilization tank.
In the embodiment, the device further comprises a pipeline distribution net, wherein the pipeline distribution net is a plurality of pipelines and is used for communicating the nanofiltration intermediate tank with the water outlet stabilization tank.
In this embodiment, PH adjusting device includes PH regulator, No. three dosing pumps, and the input of No. three dosing pumps is connected with the output of first PLC control box, can be with the leading-in PH of PH regulator in the jar with the third dosing pump.
In this embodiment, the precipitant adds the device and includes flocculating agent PAM, No. four dosing pumps, and the input of No. four dosing pumps is connected with the output of first PLC control box, can put into the PH neutralization jar of adjusting waste water PH value with flocculating agent PAM through No. four dosing pumps.
In the embodiment, the flocculation sedimentation tank adopts a semi-underground structure, the bottom of the tank is funnel-shaped, the top of the flocculation sedimentation tank is 1.6m higher than the ground, and the depth of the tank is 5 m.
In the embodiment, the device also comprises a first reaction 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, a PLC control box, a waste liquid collecting and refluxing device for emergently storing waste liquid, wherein a 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, the top of the reaction tank is connected with a second reaction liquid adding device; the second reaction liquid adding device comprises a second reaction liquid tank and a second dosing pump, the second dosing pump is arranged in the second reaction liquid tank, the medicine outlet end of the second dosing pump is connected with the top of the reaction tank, and the input end of the second dosing pump is connected with the output end of the PLC control box; the reaction tank, a reaction tank is 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, the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box, the waste liquid collecting and refluxing device comprises a first liquid pump, a second liquid pump, a third liquid pump and an emergency pool, the first liquid pump is arranged in the first reaction tank, the second liquid pump is arranged in the reaction tank, the third liquid pump is arranged in the emergency pool, the water outlet ends of the first liquid pump and the second liquid pump are connected to the top of the emergency pool, the water outlet end of the third liquid pump is connected to the top of the water collecting pool, the control ends of the first liquid pump, the second liquid pump and the third liquid pump are connected with the output end of the PLC control box, the reaction tank is also connected with an air blower capable;
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; be equipped with the second level gauge in the reaction tank, be used for detecting the COD detector of reaction back liquid quality in the reaction tank, can transport the acid-proof pump of next processing stage with the liquid after the reaction, second level gauge, COD detector output are connected with the PLC control box input, and acid-proof pump input is connected with the PLC control box output.
In this embodiment, 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.
In this embodiment, PH adjusting device includes acid catalyst jar, catalyst dosing pump, pipeline mixer, and the pipeline mixer is intake and is held and connect the play water end at the immersible pump, goes out the water end and connects the end of intaking at a retort, and the catalyst dosing pump sets up in acid catalyst jar, and catalyst dosing pump goes out liquid end and pipeline mixer intermediate position intercommunication, and the catalyst dosing pump is connected with PLC control output.
In the embodiment, a first PH probe arranged at a water inlet end, a second PH probe arranged on the inner wall of the tank body, a third liquid level meter, a booster pump for conveying the mixed liquid after reaction to a filtering device are arranged in the first reaction tank, a heating device for keeping reaction temperature, a PH probe, No. two PH probes, the third level gauge all is connected with PLC control box input, the booster pump, the heating device input all is connected with PLC control box output, a reaction liquid adds the device and includes reaction fluid reservoir and a dosing pump, a dosing pump sets up in a reaction fluid reservoir, a dosing pump goes out the medicine end and is connected with a reaction tank top, a dosing pump input is connected with PLC control box output, heating device includes heating jacket and temperature sensor, the temperature sensor output is connected with PLC control box input, heating jacket is connected with PLC control box output.
In this embodiment, filter equipment includes the bag filter, and the bag filter goes out the liquid end and is connected with No. two retort end of intaking, and the bag filter input is connected with PLC control box output.
In the embodiment, the sludge in the concentrated sludge tank is pumped into a plate-and-frame filter press through the sludge pump in the pump pond for filter pressing, and the dry sludge after filter pressing is transported by workers for treatment.
In this embodiment, be equipped with the first level gauge 6 of the interior liquid level of detectable catch basin 1 in the catch basin 1, immersible pump 7, first level gauge 6 is connected with the 31 input of PLC control box, immersible pump 7 is connected with the 31 output of PLC control box, the level gauge real-time detection catch basin 1 inside water level, when reaching the water level of settlement, first level gauge 6 transmits sensing signal to PLC control box 31, PLC control box 31 export electric signal to immersible pump 7, make immersible pump 7 circuit switch-on, start working, carry out concentrated water after the concentrated processing in receiving the membrane unit 33 and carry out circulation processing.
In this embodiment, the flocculation sedimentation treatment device comprises a flocculation sedimentation tank 39, an effluent stabilizing tank 38 and a PH neutralization tank 42, wherein the inlet end of the flocculation sedimentation tank 39 is connected with the PH neutralization tank 42, and the outlet end of the flocculation sedimentation tank 39 is connected with the effluent stabilizing tank 38; the upper part of the flocculation sedimentation tank 39 is provided with a sedimentation tank central pipe 40 for wastewater to flow in, and the bottom of the flocculation sedimentation tank 39 is provided with a sludge pipeline 41 for discharging sludge; secondary cleaning waste water gets into and carries out PH regulation and flocculating agent in the PH neutralization jar 42 and drops into, and the waste water after the processing flows into the bottom of the 39 pond of flocculation and precipitation from PH neutralization jar 42 through sedimentation tank center tube 40 and carries out the flocculation and precipitation, and waste water is from bottom to top, and the upper strata is clarified water, and the lower floor is mud, and clarified water passes through the overflow and discharges business turn over water stabilization tank 38 from flocculation and precipitation pond 39, and lower floor's mud passes through the pressure discharge of mud pipeline 41 utilization water.
In this embodiment, be equipped with entrance point and exit end on the PH neutralization tank 42, the entrance point is connected with reaction tank 5 (be equipped with second level gauge 23 in the reaction tank 5, be used for detecting the COD detector 24 of reaction back liquid quality in the reaction tank 5, can transport the liquid after the reaction to the acid-proof pump 25 of next treatment stage, second level gauge 23, COD detector 24 output is connected with PLC control box 31 input, acid-proof pump 25 input is connected with PLC control box 31 output), the exit end passes through sedimentation tank center tube 40 and flocculation and precipitation pond 39 entrance connection, divide into PH regulating part 43 and PAM flocculating agent portion of adding 44 in the PH neutralization tank 42, the exit end that PH regulating part 43 and PAM flocculating agent portion of adding 44 is equipped with solenoid valve 52, be connected with the PH adjusting device of PH value in the PH neutralization tank 42 of adjustable PH value on the PH regulating part 43 respectively, PH automatic control appearance 45 of PH value in PH neutralization tank 42 of detectable PH value, The output end of the PH automatic controller 45 is connected with the input end of the first PLC control box 46, and the output end of the first PLC control box 46 is connected with the input end of the PH adjusting device; the PAM flocculant dosing part 44 is connected with a precipitator adding device into which a flocculant PAM50 can be added, the input end of the precipitator adding device is connected with the output end of the first PLC control box 46, and the output end of the first PLC control box 46 is connected with the electromagnetic valve 52; the PH adjusting device comprises a PH adjusting agent 48 and a third dosing pump 47, the input end of the third dosing pump 47 is connected with the output end of the first PLC control box 46, and the PH adjusting agent 48 can be led into the PH neutralizing tank 42 through the third dosing pump 47; the precipitator adding device comprises a flocculating agent PAM50 and a fourth dosing pump 49, the input end of the fourth dosing pump 49 is connected with the output end of the first PLC control box 46, and a flocculating agent PAM50 can be put into the PH neutralization tank 42 for adjusting the PH value of the wastewater through the fourth dosing pump 49; after the liquid in the reaction tank 5 is reacted for a set time, when the water level of the wastewater reaches a set height and the COD is lower than a standard value, the PLC control box 31 can be connected with an acid-resistant pump, so that the acid-resistant pump pumps the wastewater into the PH neutralization tank 42 for the next treatment stage;
after wastewater enters a PH neutralization tank 42, a PH automatic controller 45 detects the PH value of the wastewater in the PH neutralization tank 42, when the PH value in the tank is lower than 7, a regulation signal is generated and transmitted to a first PLC control box 46, the first PLC control box 46 converts the regulation signal into a control signal and transmits the control signal to a third dosing pump 47, the third dosing pump 47 acts, a PH regulator 48 is injected into the PH neutralization tank 42 to regulate the PH value of the wastewater in the tank, when the PH value in the tank reaches 7-8, the PH automatic controller 45 generates a regulation signal and transmits the regulation signal to the first PLC control box 46, the first PLC control box 46 generates a control signal and transmits the control signal to the third dosing pump 47, the fourth dosing pump 49 and an electromagnetic valve 52, the third dosing pump 47 is controlled to stop dosing, the fourth dosing pump 49 and the electromagnetic valve 52 are controlled to act, a flocculating agent PAM50 is put into the wastewater with the regulated PH value, the electromagnetic valve 52 is opened, and the wastewater in the PH neutralization tank 42 after the flocculating agent and the flocculating agent are added into a flocculating settling tank 40 through a sedimentation center pipe 40 And performing flocculation and precipitation at the bottom of the precipitation tank 39.
In this embodiment, the water inlet end of the effluent stabilizing tank 38 is connected to the outlet at the upper end of the flocculation sedimentation tank 39, the clear water after flocculation sedimentation treatment overflows from the outlet at the upper end of the flocculation sedimentation tank 39 and enters the effluent stabilizing tank 38, and a water quality monitor 51 for detecting the water quality is arranged in the effluent stabilizing tank 38; the waste water after PH regulation and flocculating agent are thrown carries out the flocculation and precipitation reaction at flocculation and precipitation pond 39, because the flocculation and precipitation reaction effect, waste water is in flocculation and precipitation pond 39 from bottom to top, the upper strata is clear water, the lower floor is mud, clear water flows into play water stabilization tank 38 from flocculation and precipitation pond 39 upper end export through the overflow, lower floor's mud passes through the pressure discharge of mud pipeline 41 utilization water, detect the water quality of clear water through water quality monitoring instrument 51, if the water quality can not reach the play water standard, then reprocess the water in the play water stabilization tank 38.
In this embodiment, the pipeline distribution network 37 is a plurality of pipelines for communicating the nanofiltration intermediate tank 34 with the effluent stabilizing tank 38; the pipe distribution net 37 is communicated with the nanofiltration intermediate tank 34 and the effluent stabilizing tank 38 for recycling or discharging the treated wastewater.
In this embodiment, the PH adjuster 48 is a mixture of lime milk (ca (oh)2) and NaOH; the pH in the pH neutralization tank 42 is adjusted to facilitate flocculation.
In this embodiment, the PH setting value of the PH automatic controller 45 is 7 to 8, and when the PH value in the neutralization tank reaches 7 to 8, the first PLC control box 46 turns off the third dosing pump 47 and stops dosing; the PH self-controller 45 regulates and controls the PH value in the PH neutralization tank 42, so that the critical point of the PH value in the tank is 7-8, and the next step of flocculation and precipitation is facilitated.
In this embodiment, the flocculation sedimentation tank 39 is of a semi-underground structure, the bottom of the tank is funnel-shaped, the top of the flocculation sedimentation tank 39 is 1.6m higher than the ground, and the depth of the tank is 5 m; the wastewater after the PH adjustment and the flocculating agent addition is convenient to carry out the flocculation precipitation reaction in the flocculation precipitation tank 39, and the sludge is directly discharged by utilizing the pressure of the water in the tank through a sludge pipe at the bottom of the tank.
In this embodiment, the PH neutralization device further comprises a power supply for a storage battery, wherein the storage battery is arranged on the PH neutralization tank 42 and supplies electric energy to electric components such as the PH automatic controller 45, the first PLC control box 46, the water quality monitor 51 and the like, for example, a storage battery with a 4AH-38V model;
the invention is implemented as follows: in the production process, secondary cleaning wastewater discharged from a workshop enters a nanofiltration membrane unit 33 for concentration treatment, concentrated water after concentration is discharged into a water collecting tank 1 through a concentrated water outlet end 35 for circulation treatment, clear water is discharged into a nanofiltration intermediate tank 34 for temporary storage and reuse through a clear water collecting and reusing end 36, and clear water is collected and reused for secondary cleaning, so that the production quality is improved, and the water quality is ensured to reach the standard; 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 can be connected with the acid-proof pump 25, so that the acid-proof pump 25 pumps the wastewater into the PH neutralization tank 42 for the next treatment stage, the PH automatic controller 45 detects the PH value of the wastewater in the PH neutralization tank 42, when the PH value in the tank is lower than 7, the first PLC control box 46 controls the third dosing pump 47 to act through circuit signal transmission, the PH regulator 48 is injected into the PH neutralization tank 42 to regulate the PH value of the wastewater in the tank, when the PH value in the tank reaches 7-8, the PH automatic controller 45 generates a regulation signal and transmits the regulation signal to the first PLC control box 46, the first PLC control box 46 generates a control signal and transmits the control signal to the third dosing pump 47, the fourth dosing pump 49 and the electromagnetic valve 52, the third dosing pump 47 is controlled to stop dosing, and the fourth dosing pumps 49 and 52 are controlled to act, a flocculating agent PAM50 is added into the wastewater with the pH value adjusted, the electromagnetic valve 52 is opened, and the wastewater after pH adjustment and flocculating agent addition in the pH neutralization tank 42 flows into the bottom of the flocculation sedimentation tank 39 through the sedimentation tank central tube 40 for flocculation sedimentation; the waste water after PH regulation and flocculating agent are thrown carries out the flocculation and precipitation reaction at flocculation and precipitation pond 39, because the flocculation and precipitation reaction effect, waste water is in flocculation and precipitation pond 39 from bottom to top, the upper strata is clear water, the lower floor is mud, clear water flows into out water stabilization tank 38 from flocculation and precipitation pond 39 upper end export through the overflow, lower floor's mud passes through the pressure discharge of mud pipeline 41 utilization water, detect the water quality of clear water through water quality monitoring instrument 51, if the water quality can not reach the play water standard, then reprocess the water in the play water stabilization tank 38.
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 stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, releasably 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. The utility model provides a bipolar plate waste water treatment and discharging equipment which characterized in that: the device comprises a wastewater tank for storing wastewater, a water collecting tank, a nanofiltration membrane concentration device for performing nanofiltration membrane concentration treatment on the wastewater and a flocculation precipitation water outlet device, wherein the wastewater tank is connected with the nanofiltration membrane concentration device to guide the wastewater into the nanofiltration membrane concentration device, and the wastewater tank is of an open-close type convenient to clean; the nanofiltration membrane concentration device comprises a nanofiltration membrane unit and a nanofiltration intermediate tank, wherein the nanofiltration membrane unit is connected with the wastewater tank and is used for leading in wastewater, a concentrated water outlet end and a clear water collecting and recycling end are arranged on the nanofiltration membrane unit, the concentrated water outlet end is connected with the water collecting tank, and the clear water collecting and recycling end is connected with a water inlet end of the nanofiltration intermediate tank and is used for temporarily storing and recycling the clear water after the nanofiltration membrane concentration treatment; the flocculation precipitation water outlet device comprises a flocculation precipitation treatment device capable of realizing flocculation precipitation and PH adjustment, a concentrated sludge tank, a screw pump and a filter press, wherein the flocculation precipitation treatment device is provided with a sludge pipeline for discharging sludge, the sludge pipeline is connected with the inlet end of the concentrated sludge tank, the concentrated sludge tank is connected with the inlet end of the filter press through the screw pump, the sludge in the concentrated sludge tank is pumped into the filter press through a sludge pump for filter pressing, the filter press is a plate and frame filter press, and the sludge after filter pressing is transported outwards; the flocculation sedimentation treatment device comprises a flocculation sedimentation tank, a water outlet stabilization tank and a PH neutralization tank, wherein the inlet end of the flocculation sedimentation tank is connected with the PH neutralization tank, the outlet end of the flocculation sedimentation tank is connected with the water outlet stabilization tank, and the flocculation sedimentation tank is connected with the concentrated sludge tank through a sludge pipeline for sewage discharge; the upper part of the flocculation sedimentation tank is provided with a sedimentation tank central pipe for wastewater to flow in, and the bottom of the flocculation sedimentation tank is provided with a sludge pipeline for discharging sludge; the PH neutralization tank is provided with an inlet end and an outlet end, the outlet end is connected with the inlet end of the flocculation sedimentation tank through a sedimentation tank central tube, the PH neutralization tank is internally divided into a PH adjusting part capable of adjusting the PH value of wastewater in the PH neutralization tank and a PAM flocculant dosing part for dosing PAM flocculant to the wastewater after the PH value is adjusted, the outlet ends of the PH adjusting part and the PAM flocculant dosing part are provided with electromagnetic valves, the PH adjusting part is respectively connected with a PH adjusting device, a PH automatic control instrument capable of detecting the PH value in the PH neutralization tank and a first PLC control box, the output end of the PH automatic control instrument is connected with the input end of the first PLC control box, the output end of the first PLC control box is connected with the input end of the PH adjusting device, and the PH automatic control instrument and the PH adjusting device detect and adjust the PH value of the wastewater in the PH; the PAM flocculating agent dosing part is connected with a precipitating agent dosing device into which a flocculating agent PAM can be fed, the input end of the precipitating agent dosing device is connected with the output end of the first PLC control box, the output end of the first PLC control box is connected with the electromagnetic valve, flocculating agent PAM is fed into a PH neutralization tank where the PH value of the wastewater reaches 7-8, flocculation precipitation reaction is promoted in the flocculation precipitation tank, the wastewater is divided into upper clarified water and lower sludge from bottom to top, the clarified water enters the effluent stabilizing tank from the outlet at the upper end of the flocculation precipitation tank through overflow, and the lower sludge is discharged through a sludge pipeline; go out the upper end exit linkage of intaking end and flocculation and precipitation pond of water stabilization, the clarified water after the flocculation and precipitation processing overflows from the export of flocculation and precipitation pond upper end and gets into out the water stabilization pond, and goes out the water stabilization pond and be equipped with the water quality monitoring appearance that detects water quality in the pond, and water quality monitoring appearance detects the water quality in the pond of going out the water stabilization.
2. A bipolar plate wastewater treatment and discharge apparatus as set forth in claim 1, wherein: the device also comprises a pipeline distribution net which is a plurality of pipelines and is used for communicating the nanofiltration intermediate tank with the water outlet stabilization tank.
3. A bipolar plate wastewater treatment and discharge apparatus according to claim 1, wherein; PH adjusting device includes PH regulator, No. three dosing pumps, and the input of No. three dosing pumps is connected with the output of first PLC control box, can be with the leading-in PH of PH regulator in the jar with neutralization through No. three dosing pumps.
4. A bipolar plate wastewater treatment and discharge apparatus as set forth in claim 1, wherein: the precipitant adding device comprises a flocculating agent PAM and a fourth dosing pump, the input end of the fourth dosing pump is connected with the output end of the first PLC control box, and the flocculating agent PAM can be put into the PH neutralization tank for adjusting the PH value of the wastewater through the fourth dosing pump.
5. A bipolar plate wastewater treatment and discharge apparatus as set forth in claim 1, wherein: the flocculation sedimentation tank adopts a semi-underground structure, the bottom of the tank is funnel-shaped, the top of the flocculation sedimentation tank is 1.6m higher than the ground, and the depth of the tank is 5 m.
6. The bipolar plate wastewater treatment and discharge device according to any one of claims 1 to 5, wherein: the device also comprises a first reaction 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, a PLC control box and a waste liquid collecting and refluxing device which is used for storing the waste liquid in an emergency way, 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, the top of the reaction tank is connected with a second reaction liquid adding device; the second reaction liquid adding device comprises a second reaction liquid tank and a second dosing pump, the second dosing pump is arranged in the second reaction liquid tank, the medicine outlet end of the second dosing pump is connected with the top of the reaction tank, and the input end of the second dosing pump is connected with the output end of the PLC control box; the reaction tank, a reaction tank is 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, the control end of the waste liquid collecting and refluxing device is connected with the output end of the PLC control box, the waste liquid collecting and refluxing device comprises a first liquid pump, a second liquid pump, a third liquid pump and an emergency pool, the first liquid pump is arranged in the first reaction tank, the second liquid pump is arranged in the reaction tank, the third liquid pump is arranged in the emergency pool, the water outlet ends of the first liquid pump and the second liquid pump are connected to the top of the emergency pool, the water outlet end of the third liquid pump is connected to the top of the water collecting pool, the control ends of the first liquid pump, the second liquid pump and the third liquid pump are connected with the output end of the PLC control box, the reaction tank is also connected with an air blower capable; 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; be equipped with the second level gauge in the reaction tank, be used for detecting the COD detector of reaction back liquid quality in the reaction tank, can transport the acid-proof pump of next processing stage with the liquid after the reaction, second level gauge, COD detector output are connected with the PLC control box input, and acid-proof pump input is connected with the PLC control box output.
7. A bipolar plate wastewater primary treatment device according to any one of claims 1 to 6, 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.
8. A bipolar plate wastewater primary treatment device according to any one of claims 1 to 7, 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.
9. A bipolar plate wastewater primary treatment device according to any one of claims 1 to 8, wherein: be equipped with the PH probe of locating the end of intaking in the retort, locate No. two PH probes of jar internal wall, the third level gauge, the mixed liquid after will reacting transports the booster pump in the filter equipment, a heating device for keeping reaction temperature, a PH probe, No. two PH probes, the third level gauge all is connected with PLC control box input, the booster pump, the heating device input all is connected with PLC control box output, a reaction liquid adds the device and includes reaction fluid reservoir and a dosing pump, a dosing pump sets up in a reaction fluid reservoir, a dosing pump goes out the medicine end and is connected with a reaction tank top, a dosing pump input is connected with PLC control box output, heating device includes heating sleeve and temperature sensor, the temperature sensor output is connected with PLC control box input, heating sleeve is connected with PLC control box output.
10. A bipolar plate wastewater primary treatment apparatus according to any one of claims 1 to 9, 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.
CN202110253339.2A 2021-03-05 2021-03-05 Bipolar plate wastewater treatment and discharge device Pending CN112979002A (en)

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