CN112225407A - High enriched brine integrated processing system - Google Patents
High enriched brine integrated processing system Download PDFInfo
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- CN112225407A CN112225407A CN202011161344.2A CN202011161344A CN112225407A CN 112225407 A CN112225407 A CN 112225407A CN 202011161344 A CN202011161344 A CN 202011161344A CN 112225407 A CN112225407 A CN 112225407A
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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
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/08—Thin film evaporation
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/083—Mineral agents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention relates to a high-concentration brine comprehensive treatment system which comprises a hardness removal reaction tank, a sedimentation tank, a multi-medium filtering device, a biological treatment desalting device, a reverse osmosis treatment device, a membrane distillation device and an evaporation crystallization device.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a comprehensive treatment system for high-concentration brine.
Background
With the economic development, water resource shortage and water environment pollution become hot spots. The high-salinity wastewater is derived from domestic sewage and industrial wastewater, contains higher inorganic ions, has the total salt content more than one percent of the wastewater, possibly contains various heavy metal ions, and is typical high-pollution wastewater difficult to treat. If the high-salinity wastewater is directly discharged without treatment, the mineralization degree of the water quality of rivers and lakes is improved due to high-concentration inorganic ions, eutrophication of water bodies can be caused by nitrogen, phosphorus, organic matters and the like, and the heavy metal ions generate a biological toxic effect and can cause serious pollution to soil. High-salinity wastewater is always a big problem in the water treatment industry, and the common water treatment method cannot achieve the treatment effect under the condition of containing organic matters. Generally, the conventional process for treating wastewater mostly adopts biochemical treatment, and the traditional biochemical treatment method cannot meet the treatment requirement on high-concentration refractory organic wastewater.
The industrial wastewater zero-discharge technology mainly adopts a membrane concentration and evaporative crystallization technology at present, lacks pretreatment in the earlier stage, has the defects of serious pollution of a reverse osmosis membrane, high replacement frequency, high content of crystallized salt and impurities, and can not produce economic benefits, thereby causing the waste of a large amount of resources and environmental pollution.
The organic matters in the sewage contain a large amount of chemical energy, and the energy density of the chemical energy is about 1.93kW/m3And is far higher than the energy consumed in the sewage treatment process. However, the conventional sewage treatment is to perform the oxidative decomposition of organic matters in the sewage by consuming huge energy (such as aeration, water pump, etc.), and chemical energy in the sewage is not effectively recycled. Therefore, the traditional sewage treatment process has the defects of high energy consumption and the like.
In the prior art, a filtration type biological cathode microbial desalination cell is used for sewage treatment of the desalination cell, for example, Chinese patent application No. 201910992171.X provides energy for ion exchange through electric energy generated by cathode and anode microbes, but the culture capacity of the microbes is relatively deficient, large-particle organic matters in sewage are difficult to remove, and a treatment system is easy to block.
Disclosure of Invention
The invention aims to provide a high-concentration brine comprehensive treatment system capable of comprehensively treating various pollutants in sewage.
In order to solve the technical problems, the comprehensive treatment system for the high-concentration brine comprises a hardness removal reaction tank, a sedimentation tank, a multi-medium filtering device, a biological treatment desalting device, a reverse osmosis treatment device, a membrane distillation device and an evaporation crystallization device, wherein the hardness removal reaction tank is used for adding lime milk and sodium carbonate to remove hardness; the sedimentation tank is used for adding a flocculating agent to remove suspended matters; the multi-medium filtering device is used for further removing suspended matters in water; the biological treatment desalting device is used for removing salt in water and filtering the water; the reverse osmosis treatment device is used for concentrating and separating concentrated water generated by the biological treatment desalting device; the membrane distillation device and the concentrated water generated by the reverse osmosis treatment device are subjected to membrane distillation treatment to obtain membrane distillation produced water and membrane distillation concentrated water; and in the evaporative crystallization device, membrane distillation concentrated water enters an evaporative crystallization unit to be subjected to evaporative crystallization treatment, so that salt crystals and evaporative crystallization water are obtained.
The multi-medium filtering device is one or more of quartz sand, activated carbon, manganese sand and anthracite.
The biological treatment desalting device comprises a reaction tank, wherein the reaction tank is connected with a sewage inlet pipe and an aerator pipe, the sewage inlet pipe is connected with a sewage inlet branch pipe, the aerator pipe is connected with an aeration branch pipe, the sewage inlet branch pipe is connected with a microbial desalting tank, the microbial desalting tanks are arranged in a plurality of numbers, each microbial desalting tank comprises a desalting chamber, an anode chamber and a cathode chamber, the cathode chamber is connected with the aeration branch pipe, the sewage inlet branch pipe is connected with a desalting chamber, a cation exchange membrane is arranged between the desalting chamber and the anode chamber, an anion exchange membrane is arranged between the desalting chamber and the cathode chamber, an anode electrode is arranged in the anode chamber, and a cathode electrode is arranged in the cathode chamber; the anode electrode is connected through a circuit; the anode chamber is connected with an anode chamber water outlet pipe, the cathode chamber is connected with a cathode chamber water outlet pipe, and the anode chamber water outlet pipe and the cathode chamber water outlet pipe are connected with a concentrated water outlet pipe; the desalting chamber is connected with a fresh water outlet pipe, the fresh water outlet pipe is connected with a plant filtering area, a plant floating bed is arranged on the plant filtering area, and plants are arranged on the plant floating bed; the plant filtering area is connected with a clear water outlet pipe.
The cathode chamber is connected with the aeration branch pipe, so that aerobic bacteria can be propagated intentionally, the anode chamber is used for anaerobic bacteria propagation to generate oxidation and reduction reactions, the cathode and the anode generate potential difference, the anode electrogenesis microorganisms are attached to the anode of the anode chamber, organic matters in sewage are decomposed through anaerobic oxidation to release electrons to the anode, and electric energy is provided for ion exchange through a circuit. The water after the desalting step enters a plant floating bed, and the root system of the plant further purifies the water.
And vertical strip-shaped filler devices are arranged in the desalting chamber, the anode chamber and/or the cathode chamber. The filler device is arranged, so that pollutants can be adsorbed on the filler, and more microorganisms can be cultured.
The packing device is connected with the vibrating device. Through regularly vibrating the filler device, can make sewage and the better contact of filler, pile up the pollutant that can regularly clear up on the filler, prevent to produce and block up.
The packing device comprises a support rod and a packing unit arranged on the support rod, the vibration device comprises a flexible pipe and a vibration generator, one end of the flexible pipe is connected with the vibration generator through a corrugated pipe, the other end of the flexible pipe is connected with the support rod, the flexible pipe and the corrugated pipe are filled with liquid, and vibration generated by the vibration generator can be transmitted to the support rod through the flexible pipe and the corrugated pipe. Through setting up the vibration generator in the device outside, will vibrate through the flexible tube transmission to the bracing piece on, can carry out the vibration clearance to the packing device under the condition of not dismantling the packing device.
The concentrated water outlet pipe is connected with a concentrated water circulating pipe, and the concentrated water circulating pipe is connected with the sewage inlet pipe. The desalted sewage is circularly treated, the desalted sewage can be analyzed according to data collected by a flowmeter, a sensor and the like arranged on a circulating pipe, and the flow direction of the water is switched through an automatic valve, so that the circulation of the water is controlled, and the sewage with different indexes and different treatment capacities of the system are comprehensively regulated until the sewage reaches the standard.
The clear water outlet pipe is connected with a sedimentation tank, the sedimentation tank is connected with a fresh water circulating pipe, and the fresh water circulating pipe is connected with a desalting chamber, an anode chamber and/or a cathode chamber.
The sedimentation tank is connected with a dredging pipe.
The comprehensive treatment system for the high-concentration brine provided by the invention adopts a technology combining a pretreatment process and a concentration zero-discharge process to carry out multiple impurity ion filtration and special strong brine circulation treatment on the strong brine, so that the zero discharge of the strong brine is realized, the water yield recovery rate of the brine wastewater is improved, the sewage is subjected to hardness removal, pollutants and heavy metal ions in the water are removed, the maximum recycling of the wastewater and the utilization of crystallized salt are realized, and the zero discharge of the wastewater in the metallurgical industry is really realized. The biological treatment desalting device is connected with an aeration branch pipe at a cathode chamber, so that aerobic bacteria can propagate intentionally, anaerobic bacteria in an anode chamber propagate to generate oxidation and reduction reactions, a potential difference is generated between a cathode and an anode, an anode electrogenesis microorganism is attached to the anode of the anode chamber, organic matters in sewage are decomposed through anaerobic oxidation to release electrons to the anode, and electric energy is provided for ion exchange through a circuit. The water after the desalting step enters a plant floating bed, and the root system of the plant further purifies the water.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view showing the construction of an integrated treatment system for high-concentration brine according to the present invention.
FIG. 2 is a schematic structural view of a first embodiment of the biological treatment desalination apparatus.
FIG. 3 is a schematic structural view of a second embodiment of the biological treatment desalination apparatus.
Fig. 4 is a schematic view of the structure of the packing device and the vibrating device.
Detailed Description
As shown in figure 1, the comprehensive treatment system for high-concentration brine comprises a hardness removal reaction tank, a sedimentation tank, a multi-medium filtering device, a biological treatment desalting device, a reverse osmosis treatment device, a membrane distillation device and an evaporative crystallization device.
The hardness removing reaction tank is used for adding lime milk and sodium carbonate to remove hardness; the sedimentation tank is used for adding a flocculating agent to remove suspended matters; the multi-medium filtering device has a strong filtering and adsorbing effect, so that suspended matters in water are further removed, the suspended matters and impurities in the water are removed, and the filtered suspended matters and turbidity are further reduced; the biological treatment desalting device is used for removing salt in water and filtering the water; the reverse osmosis treatment device is used for concentrating and separating concentrated water generated by the biological treatment desalting device; the membrane distillation device and the concentrated water generated by the reverse osmosis treatment device are subjected to membrane distillation treatment to obtain membrane distillation produced water and membrane distillation concentrated water; and in the evaporative crystallization device, membrane distillation concentrated water enters an evaporative crystallization unit to be subjected to evaporative crystallization treatment, so that salt crystals and evaporative crystallization water are obtained.
The multi-medium filter device is one or more of quartz sand, activated carbon, manganese sand and anthracite.
As shown in fig. 2, the biological treatment desalting device comprises a reaction tank 1, wherein the reaction tank 1 is connected with a sewage inlet pipe 2 and an aeration pipe 3, the sewage inlet pipe 2 is connected with a sewage inlet branch pipe 21, the aeration pipe 3 is connected with an aeration branch pipe 31, the sewage inlet branch pipe 2a is connected with a microbial desalting tank, the microbial desalting tank is provided in plurality, the microbial desalting tank comprises a desalting chamber 5, an anode chamber 6 and a cathode chamber 7, the cathode chamber 7 is connected with the aeration branch pipe 31, the sewage inlet branch pipe 21 is connected with the desalting chamber 5, a cation exchange membrane 8 is arranged between the desalting chamber 5 and the anode chamber 6, an anion exchange membrane 9 is arranged between the desalting chamber 5 and the cathode chamber 7, an anode electrode 10 is arranged in the anode chamber 6, and a cathode electrode 11 is arranged in the cathode chamber 7; the anode electrode 10 is connected through a circuit; the circuit can be connected with an external power supply, and the voltage is regulated to be constant through the voltage monitoring device and the circuit.
The anode chamber 6 is connected with an anode chamber water outlet pipe 13, the cathode chamber 7 is connected with a cathode chamber water outlet pipe 14, and the anode chamber water outlet pipe 13 and the cathode chamber water outlet pipe 14 are connected with a concentrated water outlet pipe 15; the desalting chamber 5 is connected with a fresh water outlet pipe 16, the fresh water outlet pipe 16 is connected with a plant filtering area 18, a plant floating bed 17 is arranged on the plant filtering area 18, and plants 19 are arranged on the plant floating bed 17; the plant filtering area 18 is connected with a clear water outlet pipe 20.
As the cathode chamber 7 is connected with the aeration branch pipe 31, aerobic bacteria can be propagated intentionally, anaerobic bacteria in the anode chamber 6 can be propagated to generate oxidation and reduction reactions, the cathode 11 and the anode 10 generate potential difference, the anode 10 generates electricity, microorganisms are attached to the anode 10 of the anode chamber 6, the organic matters in the sewage are decomposed through anaerobic oxidation, electrons are released to the anode 10, and electric energy is provided for ion exchange through a circuit. The water from the desalination step enters the plant float bed 17 and the roots of the plants 19 purify the water further.
In a second embodiment, as shown in fig. 3, a packing device 21 in the form of a vertical bar is arranged in the desalination chamber, the anode chamber and/or the cathode chamber. The filler device 21 is provided, so that pollutants can be adsorbed on the filler, and more microorganisms can be cultured.
The filling device 21 is connected with a vibration device 22. Through regularly vibrating filler device 21, can make sewage and better contact of filler, the pollutant of piling up on the filler can regularly be cleared up, prevents to produce the jam.
As shown in fig. 4, the packing device 21 includes a support rod 211 and a packing unit 212 disposed on the support rod 211, the vibration device 22 includes a flexible tube 221 and a vibration generator 222, one end of the flexible tube 221 is connected to the vibration generator 222 through a bellows 223, the other end of the flexible tube 221 is connected to the support rod 211, the support rod 211 is mounted on the transverse support rod 213, the bellows 223 at the lower end of the flexible tube 221 is also mounted on the transverse support rod 213, and the lower end of the bellows 223 is connected to the support rod 211. The flexible pipe 221 and the corrugated pipe 223 are filled with liquid, the upper corrugated pipe 223a is deformed in a stretching manner by the mechanical vibration generated by the vibration generator 222, so that the liquid in the upper corrugated pipe is extruded, the fluctuation of the liquid is transmitted to the filling devices in the desalination chambers, the anode chamber and the cathode chamber through the flexible pipe, and the support rod 211 is deformed in a stretching manner by the lower corrugated pipe 223b connected with the support rod 211, so that the support rod 211 generates mechanical vibration.
By transmitting the vibration to the support rod 211 through the flexible tube 221 by the vibration generator 222 provided outside the apparatus, the stuffing apparatus 21 can be vibration cleaned without disassembling the stuffing apparatus 21. Can prevent the filler device from being blocked and can increase the contact between aeration and water through vibration.
The concentrated water outlet pipe 15 is connected with a concentrated water circulating pipe 151, and the concentrated water circulating pipe 151 is connected with the sewage inlet pipe 2. The desalted sewage is circularly treated, the analysis can be carried out according to data collected by a flowmeter, a sensor and the like arranged on the circulating pipe 151, the flow direction of the water is switched through an automatic valve, so that the circulation of the water is controlled, and the sewage with different indexes and different treatment capacities of the system are comprehensively regulated until the sewage reaches the standard.
The clear water outlet pipe 20 is connected with a sedimentation tank 23, the sedimentation tank 23 is connected with a fresh water circulating pipe 24, and the fresh water circulating pipe 24 is connected with the desalination chamber 5, the anode chamber 6 and/or the cathode chamber 7. The system also can analyze the data collected by a flowmeter, a sensor and the like arranged on the fresh water circulating pipe 24, and switch the flow direction of water through an automatic valve, thereby controlling the circulation of water, and comprehensively adjusting the sewage with different indexes and the different treatment capacities of the system until the sewage reaches the standard.
The sedimentation tank 23 is connected with a dredging pipe 25.
Claims (9)
1. The utility model provides a high enriched brine integrated processing system which characterized in that: comprises a hardness removal reaction tank, a sedimentation tank, a multi-medium filtering device, a biological treatment desalting device, a reverse osmosis treatment device, a membrane distillation device and an evaporative crystallization device,
-the de-hardening reaction tank is used for feeding lime milk and sodium carbonate to remove hardness;
-the sedimentation tank is used for adding a flocculating agent to remove suspended matters;
-said multi-media filtration device further removing suspended matter from the water;
-said biological treatment desalination means for desalinating water and filtering the water;
the reverse osmosis treatment device is used for concentrating and separating concentrated water generated by the biological treatment desalination device;
-the membrane distillation device and the concentrated water generated by the reverse osmosis treatment device are subjected to membrane distillation treatment to obtain membrane distillation produced water and membrane distillation concentrated water;
and the evaporation crystallization device is used for enabling the membrane distillation concentrated water to enter an evaporation crystallization unit for evaporation crystallization treatment to obtain salt crystals and evaporation crystallization water.
2. The integrated high-brine treatment system as claimed in claim 1, wherein: the multi-medium filtering device is one or more of quartz sand, activated carbon, manganese sand and anthracite.
3. The integrated high-brine treatment system as claimed in claim 1 or 2, wherein: the biological treatment desalting device comprises a reaction tank, wherein the reaction tank is connected with a sewage inlet pipe and an aerator pipe, the sewage inlet pipe is connected with a sewage inlet branch pipe, the aerator pipe is connected with an aeration branch pipe, the sewage inlet branch pipe is connected with a microbial desalting tank, the microbial desalting tanks are arranged in a plurality of numbers, each microbial desalting tank comprises a desalting chamber, an anode chamber and a cathode chamber, the cathode chamber is connected with the aeration branch pipe, the sewage inlet branch pipe is connected with a desalting chamber, a cation exchange membrane is arranged between the desalting chamber and the anode chamber, an anion exchange membrane is arranged between the desalting chamber and the cathode chamber, an anode electrode is arranged in the anode chamber, and a cathode electrode is arranged in the cathode chamber; the anode electrode is connected through a circuit; the anode chamber is connected with an anode chamber water outlet pipe, the cathode chamber is connected with a cathode chamber water outlet pipe, and the anode chamber water outlet pipe and the cathode chamber water outlet pipe are connected with a concentrated water outlet pipe; the desalting chamber is connected with a fresh water outlet pipe, the fresh water outlet pipe is connected with a plant filtering area, a plant floating bed is arranged on the plant filtering area, and plants are arranged on the plant floating bed; the plant filtering area is connected with a clear water outlet pipe.
4. The integrated high-brine treatment system as claimed in claim 3, wherein: and vertical strip-shaped filler devices are arranged in the desalting chamber, the anode chamber and/or the cathode chamber.
5. The integrated high-brine treatment system as claimed in claim 4, wherein: the packing device is connected with the vibrating device.
6. The integrated high-brine treatment system as claimed in claim 5, wherein: the packing device comprises a support rod and a packing unit arranged on the support rod, the vibration device comprises a flexible pipe and a vibration generator, one end of the flexible pipe is connected with the vibration generator through a corrugated pipe, the other end of the flexible pipe is connected with the support rod, the flexible pipe and the corrugated pipe are filled with liquid, and vibration generated by the vibration generator can be transmitted to the support rod through the flexible pipe and the corrugated pipe.
7. The integrated high-brine treatment system as claimed in claim 3, wherein: the concentrated water outlet pipe is connected with a concentrated water circulating pipe, and the concentrated water circulating pipe is connected with the sewage inlet pipe.
8. The integrated high-brine treatment system as claimed in claim 3, wherein: the clear water outlet pipe is connected with a sedimentation tank, the sedimentation tank is connected with a fresh water circulating pipe, and the fresh water circulating pipe is connected with a desalting chamber, an anode chamber and/or a cathode chamber.
9. The integrated high-brine treatment system as claimed in claim 3, wherein: the sedimentation tank is connected with a dredging pipe.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956416A (en) * | 2021-02-26 | 2022-08-30 | 中国石油化工股份有限公司 | Treatment method and system for bromine-containing salt wastewater of brominated butyl rubber and application thereof |
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