CN105712517A - Copper-containing electroplating rinse wastewater treatment system and treatment process - Google Patents
Copper-containing electroplating rinse wastewater treatment system and treatment process Download PDFInfo
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- CN105712517A CN105712517A CN201610223872.3A CN201610223872A CN105712517A CN 105712517 A CN105712517 A CN 105712517A CN 201610223872 A CN201610223872 A CN 201610223872A CN 105712517 A CN105712517 A CN 105712517A
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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
- C02F1/44—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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F2101/20—Heavy metals or heavy metal 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/12—Nature of the water, waste water, sewage or sludge to be treated from the silicate or ceramic industries, e.g. waste waters from cement or glass factories
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention relates to a copper-containing electroplating rinse wastewater treatment system and treatment process. The wastewater treatment system comprises a raw water tank, an ultrafiltration produced water tank, a concentrated water tank, a second-stage RO (reverse osmosis) raw water tank and a recycled water tank, wherein an ultrafiltration booster pump, a sand filter system and an ultrafiltration membrane system are connected sequentially on a pipeline between a wastewater outlet of the raw water tank and a water inlet of the ultrafiltration produced water tank; a first-section RO booster pump, a first-section RO precision filter, a first-section RO high-pressure pump and a first-section RO water treatment system are connected sequentially on a pipeline between a water outlet of the ultrafiltration produced water tank and a water inlet of the concentrated water tank; a second-section RO booster pump, a second-section RO coarse filter, a second-section RO precision filter, a second-section RO high-pressure pump and a second-section RO water treatment system are connected sequentially on a pipeline between a water outlet of the concentrated water tank and a water inlet of the second-stage RO raw water tank; a second-stage RO booster pump, a second-stage RO precision filter, a second-stage RO high-pressure pump and a second-stage RO water treatment system are connected sequentially on a pipeline between a water outlet of the second-stage RO raw water tank and a water inlet of the recycled water tank.
Description
Technical field
The present invention relates to a kind of Waste Water Treatment, particularly a kind of plating cupric poaching wastewater processes system and processes technique.
Background technology
Electroplating industry is highly versatile, uses important processing industry wide, inter-trade, interdepartmental；Electroplating process uses the poisonous and harmful chemicals such as a large amount of strong acid, highly basic, heavy metal solution, cyanide, it has also become one of industry is polluted greatly in the whole world three.According to statistics, the sewage that electroplating enterprise within Chinese territory discharges every year, up to several hundred million tons, accounts for the 10% of total amount of sewage discharge, accounts for the 20% of industrial wastewater discharge total amount；Water resource that the discharge of electroplating sewerage is serious, and cause the loss of a large amount of precious metal.The conventional processing method of electroplating sewerage has: chemical method, electrolysis, ion exchange and membrane separation process.In prior art, wafer, semiconductor electronic industry rise, and wafer cutting is the program that the industries such as quasiconductor are indispensable, producing the sewage of cupric in cutting process, direct draining is to environment, water quality, all there is the injury that this is huge in soil, it is necessary to poisonous and harmful substance is purified；Sewage containing copper substantially still rests on and adds the stage discharged after acid-base neutralization reprocessing, takes up an area the big of face, and overall detergent power is weak, it is unable to reach purification and brings due income, waste water source increases owner's burden, finally still can to environment, and water quality and soil pollute.Collected the sewage of system by this sewage containing copper, recycling may finally be carried out.
Summary of the invention
The purpose of the present invention is contemplated to solve the problem in background technology, it is provided that a kind of plating cupric poaching wastewater processes system and processes technique.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that 1: a kind of plating cupric poaching wastewater processes system, including raw water box, ultrafiltration booster pump, Sand Filtration System, coarse filter, ultrafiltration membrane system, water tank is produced in ultrafiltration, one section of RO booster pump, one section of RO cartridge filter, one section of RO high-pressure pump, one section of RO water treatment system, dense water tank, two-stage nitration RO booster pump, two-stage nitration RO coarse filter, two-stage nitration RO high-pressure pump, two-stage nitration RO water treatment system, two grades of RO raw water boxs, two grades of RO booster pumps, two grades of RO cartridge filters, two grades of RO high-pressure pumps, two grades of RO water treatment systems, reuse water tank, produce water delivery pump, mixed-bed resin system, dense water vapo(u)rization system；
The wastewater effluent mouth of raw water box and ultrafiltration are produced to be sequentially communicated on the pipeline between the water inlet of water tank and are connected to ultrafiltration booster pump, Sand Filtration System, ultrafiltration membrane system；
Ultrafiltration is produced to be sequentially communicated on the pipeline between outlet and the water inlet of dense water tank of water tank and is connected to one section of RO booster pump, one section of RO cartridge filter, one section of RO high-pressure pump, one section of RO water treatment system；
Pipeline between the water inlet of the outlet of dense water tank and two grades of RO raw water boxs is sequentially communicated and is connected to two-stage nitration RO booster pump, two-stage nitration RO coarse filter, two-stage nitration RO cartridge filter, two-stage nitration RO high-pressure pump, two-stage nitration RO water treatment system；
Another outlet of dense water tank is connected with dense water vapo(u)rization system, and the distillate return flow line of dense water vapo(u)rization system is connected with raw water box；
Pipeline between outlet and the water inlet of reuse water tank of two grades of RO raw water boxs is sequentially communicated and is connected to two grades of RO booster pumps, two grades of RO cartridge filters, two grades of RO high-pressure pumps, two grades of RO water treatment systems.
The outlet of reuse water tank produces water delivery pump, the connection arrival water spot A connection of mixed-bed resin system by connecting
For a kind of optimization of the present invention, ultrafiltration booster pump is connected to antibacterial medicine system with connecting on the pipeline of Sand Filtration System；The pipeline of one section of RO booster pump and one section of RO cartridge filter is connected to the first antisludging agent medicine system, reducing agent medicine system；Two-stage nitration RO coarse filter is connected to the second antisludging agent medicine system with connecting on the pipeline of two-stage nitration RO booster pump, and the pipeline of two grades of RO booster pumps and two grades of RO cartridge filters is connected to the 3rd antisludging agent medicine system.
A kind of optimization for the present invention, antibacterial medicine system, first antisludging agent medicine system, reducing agent medicine system, second antisludging agent medicine system and the 3rd antisludging agent medicine system all include dosing pump, dosing tank, it is provided with liquid level controller in each dosing tank, each liquid level controller controls end with the dosing pump being each equipped with respectively and is connected, the liquid sucting port of each dosing pump connects with bottom dosing tank respectively, the liquid outlet of each dosing pump each through the pipeline with outlet valve respectively with the pipeline of ultrafiltration booster pump Yu Sand Filtration System, the pipeline of one section of RO booster pump and one section of RO cartridge filter, the pipeline of two-stage nitration RO coarse filter and two-stage nitration RO booster pump, the pipeline connection of two grades of RO booster pumps and two grades of RO cartridge filters connects.
For a kind of optimization of the present invention, this includes mixed-bed resin bucket, and the outlet of reuse water tank is connected with mixed-bed resin bucket water inlet by producing water delivery pump, and the outlet of mixed-bed resin bucket is connected with water spot floss hole.
For a kind of optimization of the present invention, the dense water out of one section of RO water treatment system is connected by pipeline with the water inlet of ultrafiltration raw water box water inlet, dense water tank.
For a kind of optimization of the present invention, the dense water out of two-stage nitration RO water treatment system is connected by pipeline with the water inlet of dense water tank, and this pipeline is connected to the dense water filter of two-stage nitration RO
For a kind of optimization of the present invention, the dense water out of two grades of RO water treatment systems is connected by pipeline with the water inlet of ultrafiltration raw water box water inlet, two grades of RO raw water boxs.
For a kind of optimization of the present invention, the flow speed control of Sand Filtration System is at 5-8m/h, and the configuration of described ultrafiltration membrane system includes immersion MBR, external TMBR, pillar ultrafiltration, and the material of described ultrafiltration membrane system includes PVDF, PP, PTFE, PES.
A kind of optimization for the present invention, described plating cupric poaching wastewater processes system and also includes purging system, Sand Filtration System, ultrafiltration membrane system, one section of RO water treatment system, two-stage nitration RO water treatment system, the water inlet of two grades of RO water treatment systems is respectively communicated with and is connected to flushing water access port, the outlet of Sand Filtration System, the outlet of ultrafiltration membrane system, on the dense water out branch road of one section of RO water treatment system, flushing water floss hole all it is connected on the dense water out branch road of two-stage nitration RO water treatment system and on the dense water out branch road of two grades of RO water treatment systems, the outlet of ultrafiltration membrane system is connected to flushing access port, pipeline between water inlet and the flushing water access port of ultrafiltration membrane system is also connected with ultrafiltration cleanout fluid inlet, described purging system includes cleaned filter, flushing water pump, clean water tank, clean water tank, flushing water pump, cleaned filter is sequentially connected in series, the outlet pipeline of cleaned filter is divided into some branch roads and is connected with each flushing water access port respectively, connect between the outlet of flushing water pump and water tank and be connected to the water return pipeline with valve, part or all of flushing water floss hole is connected with cleaning water tank by band valve pipeline.
Technical scheme 2: a kind of plating cupric rinsing waste-water treatment process, plating cupric poaching wastewater enters raw water box, by ultrafiltration booster pump supercharging the pollution entrance Sand Filtration System being added antibacterial control microorganism by antibacterial medicine system, the impurity such as the silt in former water, float, colloid are removed through Sand Filtration System, it is directly entered ultrafiltration membrane system reduce the turbidity of water inlet then through coarse filter after, part ultrafiltration concentrate recirculation is to raw water box, and ultrafiltration is produced water and entered ultrafiltration product water tank；Ultrafiltration is produced water and through one section of RO booster pump supercharging and is added by the first antisludging agent medicine system after antisludging agent controls pollutant fouling through one section of RO cartridge filter removal small part particle, it is forced through one section of RO system again by one section of RO high-pressure pump and is easily separated purification, major part concentrate recirculation produces water tank to ultrafiltration, the dense water of fraction directly goes dense water tank and dense water tank to be provided with two groups, when the water yield of the dense water tank of one of which reaches the specified water yield, automatically switch and organize dense water tank one section of dense water of RO of storage from another, one section of RO product water is directly entered two grades of RO raw water boxs and processes further；In dense water tank, one section of dense water of RO of storage is again through two-stage nitration RO booster pump, and after being added antisludging agent control pollutant fouling by the second antisludging agent medicine system, small part particle is removed after two-stage nitration RO coarse filter and two-stage nitration RO cartridge filter, it is forced through two-stage nitration RO system again by two-stage nitration RO high-pressure pump and is circulated concentrating and separating, dense water circulation concentrate recirculation is to the dense water tank of one of which, when concentration residue total Body Water is lower than 10%, out of service；Then automatically clean and switch to another organize dense water tank and start concentrating and separating, circulation operation, remaining 10% dense water goes dense water vapo(u)rization system to crystallize into salt, and distillate is back to raw water box, abraum salt outward transport is disposed, and two-stage nitration RO product water is directly entered two grades of RO raw water boxs and is further processed；One section of RO produces water and enters two grades of RO raw water boxs together with two-stage nitration RO product water, small part particle is removed through two grades of RO cartridge filters again through after two grades of RO booster pump superchargings, it is forced through two grades of RO systems again by two grades of RO high-pressure pumps and is easily separated purification, two grades of RO produce water and enter reuse water tank, two grades of RO are produced after water inject mixed-bed resin buckets and soften reuse again by pipeline and extremely use water spot A by the outlet of reuse water tank, two grades of dense water sections of RO are back to two grades of RO raw water boxs, are partly refluxed to ultrafiltration and produce water tank.
The present invention is compared with background technology, having one, what be that this plating copper-containing wastewater directly adopts is electroplating bath poaching wastewater, it is not necessary to through biochemical materializing strategy, directly reclaim at trough rim, occupation area of equipment is few, and does not have the secondary pollution problems such as mud produced by materialization；Two is that ultrafiltration membrane system adopts Automatic Control, system passes through the switching of different valves after running a period of time, start the flushing process of " backwash-gas flushing-flushing-operation ", the not outer row of system dense water when properly functioning, only have outside partial concentration waste water to arrange when system opens " backwash-gas flushing-just rinse " program, the ultrafiltration system response rate is high, up to about 95%；Three is that this technique plating copper-containing wastewater can reach more than 90% through " pretreatment+ultrafiltration+a section bis-grades of RO of RO+ two-stage nitration RO+ " dual-membrane process system response rate, and the response rate is higher compared with originally traditional " ultrafiltration+reverse osmosis " film combination reuse technology；Four is that this technique plating copper-containing wastewater produces the electrical conductivity in water less than 10us/cm through two grades of RO of " pretreatment+ultrafiltration+a section bis-grades of RO of RO+ two-stage nitration RO+ " dual-membrane process final system, copper ion is less than 0.3mg/L, it is possible to direct reuse is to increasing washings or discharge newly；Five is one section of RO, two-stage nitration RO, two grades of RO systems and continuously-running, can batch phase run again, and system in combination is flexible, and mobility strong, overall operation pressure is low, and operating cost is low.
Accompanying drawing explanation
Fig. 1 is the connection diagram that in plating cupric poaching wastewater process system, water tank is produced in raw water box, ultrafiltration booster pump, Sand Filtration System, coarse filter, ultrafiltration membrane system and ultrafiltration.
Fig. 2 is the connection diagram that in plating cupric poaching wastewater process system, water tank, one section of RO booster pump, one section of RO cartridge filter, one section of RO high-pressure pump, one section of RO water treatment system and dense water tank are produced in ultrafiltration.
Fig. 3 is the connection diagram of dense water tank, two-stage nitration RO booster pump, two-stage nitration RO coarse filter, two-stage nitration RO cartridge filter, two-stage nitration RO high-pressure pump, two-stage nitration RO water treatment system and two grades of RO raw water boxs in plating cupric poaching wastewater process system.
Fig. 4 is the connection diagram of two grades of RO raw water boxs, two grades of RO booster pumps, two grades of RO cartridge filters, two grades of RO high-pressure pumps, two grades of RO water treatment systems and reuse water tank in plating cupric poaching wastewater process system.
Fig. 5 is the connection diagram of dosing pump, dosing tank and liquid level controller.
Fig. 6 is the schematic diagram of purging system.
Detailed description of the invention
Embodiment 1: with reference to Fig. 1-6.A kind of plating cupric poaching wastewater processes system, including raw water box 1, ultrafiltration booster pump 2, Sand Filtration System 3, coarse filter 4, ultrafiltration membrane system 5, water tank 6 is produced in ultrafiltration, one section of RO booster pump 7, one section of RO cartridge filter 8, one section of RO high-pressure pump 9, one section of RO water treatment system 10, dense water tank 11, two-stage nitration RO booster pump 12, two-stage nitration RO coarse filter 13, two-stage nitration RO cartridge filter 14, two-stage nitration RO high-pressure pump 15, two-stage nitration RO water treatment system 16, two grades of RO raw water boxs 17, two grades of RO booster pumps 18, two grades of RO cartridge filters 19, two grades of RO high-pressure pumps 20, two grades of RO water treatment systems 21, reuse water tank 22；
The wastewater effluent mouth of raw water box 1 and ultrafiltration are produced to be sequentially communicated on the pipeline between the water inlet of water tank 6 and are connected to ultrafiltration booster pump 2, Sand Filtration System 3, coarse filter 4, ultrafiltration membrane system 5；
Ultrafiltration is produced to be sequentially communicated on the pipeline between outlet and the water inlet of dense water tank 11 of water tank 6 and is connected to 7, one section of RO cartridge filter of one section of RO booster pump, 9, one section of RO water treatment system 10 of 8, one section of RO high-pressure pump；
Pipeline between outlet and the water inlet of two grades of RO raw water boxs 17 of dense water tank 11 is sequentially communicated and is connected to two-stage nitration RO booster pump 12, two-stage nitration RO coarse filter 13, two-stage nitration RO cartridge filter 14, two-stage nitration RO high-pressure pump 15, two-stage nitration RO water treatment system 16；Another outlet of dense water tank 11 is connected with dense water vapo(u)rization system 38, and the distillate return flow line of dense water vapo(u)rization system 38 is connected with raw water box 1；
Pipeline between outlet and the water inlet of reuse water tank 22 of two grades of RO raw water boxs 17 is sequentially communicated and is connected to 18, two grades of RO cartridge filters of two grades of RO booster pumps, 20, two grades of RO water treatment systems 21 of 19, two grades of RO high-pressure pumps.
The outlet of reuse water tank 22 produces water delivery pump 39 by connection, mixed-bed resin system 37 connects arrival water spot A and connects
Ultrafiltration booster pump 2 is connected to antibacterial medicine system 23 with connecting on the pipeline of Sand Filtration System 3；One section of RO booster pump 7 is connected to the first antisludging agent medicine system 24, reducing agent medicine system 25 with connecting on the pipeline of one section of RO cartridge filter 8；Two-stage nitration RO coarse filter 13 is connected to the second antisludging agent medicine system 26 with connecting on the pipeline of two-stage nitration RO booster pump 12, and two grades of RO booster pumps 18 are connected to the 3rd antisludging agent medicine system 36 with connecting on the pipeline of two grades of RO cartridge filters 19.Antibacterial medicine system 23, first antisludging agent medicine system 24, reducing agent medicine system 25, second antisludging agent medicine system 26 and the 3rd antisludging agent medicine system 36 all include dosing pump 1b, dosing tank 1a, it is provided with liquid level controller 1c in each dosing tank 1a, each liquid level controller 1c controls end with the dosing pump 1b being each equipped with respectively and is connected, the liquid sucting port of each dosing pump 1b connects with bottom dosing tank 1a respectively, the liquid outlet of each dosing pump 1b each through the pipeline with outlet valve 1d respectively with the pipeline of ultrafiltration booster pump 2 with Sand Filtration System 3, the pipeline of one section of RO booster pump 7 and one section of RO cartridge filter 8, the pipeline of two-stage nitration RO coarse filter 13 and two-stage nitration RO booster pump 12, the pipeline of two grades of RO booster pumps 18 and two grades of RO cartridge filters 19 leads to and connects.The dense water out of one section of RO water treatment system 10 produces water tank 6 water inlet with ultrafiltration, the water inlet of dense water tank 11 is connected by pipeline.The dense water out of two-stage nitration RO water treatment system 16 is connected by pipeline with the water inlet of dense water tank 11, and this pipeline is connected to the dense water filter 27 of two-stage nitration RO.The dense water out of two grades of RO water treatment systems 21 produces water tank 6 water inlet with ultrafiltration, the water inlet of two grades of RO raw water boxs 17 is connected by pipeline.The flow speed control of Sand Filtration System 3 is at 5-8m/h, and the configuration of described ultrafiltration membrane system 5 includes immersion MBR, external TMBR, pillar ultrafiltration, and the material of described ultrafiltration membrane system 5 includes PVDF Kynoar, PP polypropylene, PTFE politef, PESPolyethersulfone resinDeng material, but it is not limited to above-mentioned material.
Described mixed-bed resin system 37 includes producing water delivery pump 39, mixed-bed resin bucket 37, and the outlet of reuse water tank 22 is connected with mixed-bed resin bucket 37 water inlet by producing water delivery pump 39, and the outlet of mixed-bed resin bucket 37 is connected with water spot A
Described plating cupric poaching wastewater processes system and also includes purging system, Sand Filtration System 3, ultrafiltration membrane system 5, one section of RO water treatment system 10, two-stage nitration RO water treatment system 16, the water inlet of two grades of RO water treatment systems 21 is respectively communicated with and is connected to flushing water access port 28, the outlet of Sand Filtration System 3, the outlet of ultrafiltration membrane system 5, on the dense water out branch road of one section of RO water treatment system 10, flushing water floss hole 29 all it is connected on the dense water out branch road of two-stage nitration RO water treatment system 16 and on the dense water out branch road of two grades of RO water treatment systems 21, the outlet of ultrafiltration membrane system 5 is connected to flushing access port 28, pipeline between water inlet and the flushing water access port 28 of ultrafiltration membrane system 5 is also connected with ultrafiltration cleanout fluid inlet 31, described purging system includes cleaned filter 32, flushing water pump 33, clean water tank 34, clean water tank 34, flushing water pump 33, cleaned filter 32 is sequentially connected in series, the outlet pipeline of cleaned filter 32 is divided into some branch roads and is connected with each flushing water access port 28 respectively, the outlet of flushing water pump 33 connects, between water tank 34, the water return pipeline 35 being connected to valve with cleaning, part or all of flushing water floss hole 29 is connected with cleaning water tank 34 by band valve pipeline.
Embodiment 2: with reference to Fig. 1-6.On the basis of embodiment 1, a kind of plating cupric poaching wastewater processing method, plating cupric poaching wastewater enters raw water box 1, by ultrafiltration booster pump 2 supercharging the pollution entrance Sand Filtration System 3 being added antibacterial control microorganism by antibacterial medicine system, the impurity such as the silt in former water, float, colloid are removed through Sand Filtration System 3, it is directly entered ultrafiltration membrane system 5 reduce the turbidity of water inlet then through coarse filter 4 after, part ultrafiltration concentrate recirculation is to raw water box 1, and ultrafiltration is produced water and entered ultrafiltration product water tank 6；Ultrafiltration is produced water and through the supercharging of one section of R0 booster pump 7 and is passed through to remove small part particle through two-stage nitration RO cartridge filter 14 after the first antisludging agent medicine system 24 adds antisludging agent control pollutant fouling, it is forced through separation purification again by one section of R0 high-pressure pump 9, major part concentrate recirculation produces water tank 6 to ultrafiltration, the dense water of fraction directly goes dense water tank 11 and dense water tank to be provided with two groups, when the water yield of the dense water tank of one of which reaches the specified water yield, automatically switch and organize dense water tank one section of dense water of RO of storage from another, one section of RO product water is directly entered two grades of RO raw water boxs 17 and processes further；In dense water tank 11, one section of dense water of RO of storage is again through two-stage nitration R0 booster pump 12, and after being added antisludging agent control pollutant fouling by the second antisludging agent medicine system 26, small part particle is removed after two-stage nitration R0 coarse filter 13 and two-stage nitration R0 cartridge filter 14, it is circulated concentrating and separating again by two-stage nitration R0 high-pressure pump 15, dense water circulation concentrate recirculation is to the dense water tank of one of which, when concentration residue total Body Water is lower than 10%, out of service；Then automatically cleaning and switch to another organize dense water tank and start concentrating and separating, circulation operation, remaining 10% dense water goes dense water vapo(u)rization system 38 to crystallize into salt, and two-stage nitration RO product water is directly entered two grades of RO raw water boxs 17 and is further processed；One section of RO produces water and enters two grades of RO raw water boxs 17 together with two-stage nitration RO product water, small part particle is removed through two grades of RO cartridge filters 19 again through after the supercharging of two grades of RO booster pumps 18, it is easily separated purification again by two grades of RO high-pressure pump 20 pressurizations, two grades of RO produce water and enter reuse water tank 22, two grades of RO are produced water by pipeline and inject after mixed-bed resin systems 37 soften reuse again to using water spot A by the outlet of reuse water tank 22, two grades of dense water sections of RO are back to two grades of RO raw water boxs 17, are partly refluxed to ultrafiltration and produce water tank 6.
It is to be understood that: the detailed description although the present invention is contrasted by the present embodiment; but these illustrate, the simply simple declaration to the present invention, rather than limitation of the present invention; any without departing from the innovation and creation in true spirit, each fall within protection scope of the present invention.
Claims (10)
1. a plating cupric poaching wastewater processes system, it is characterized in that including raw water box (1), ultrafiltration booster pump (2), Sand Filtration System (3), coarse filter (4), ultrafiltration membrane system (5), water tank (6) is produced in ultrafiltration, one section of RO booster pump (7), one section of RO cartridge filter (8), one section of RO high-pressure pump (9), one section of RO water treatment system (10), dense water tank (11), two-stage nitration RO booster pump (12), two-stage nitration RO coarse filter (13), two-stage nitration RO cartridge filter (14), two-stage nitration RO high-pressure pump (15), two-stage nitration RO water treatment system (16), two grades of RO raw water boxs (17), two grades of RO booster pumps (18), two grades of RO cartridge filters (19), two grades of RO high-pressure pumps (20), two grades of RO water treatment systems (21), reuse water tank (22), produce water except sending pump (23), mixed-bed resin system, dense water vapo(u)rization system (38)；
The wastewater effluent mouth of raw water box (1) and ultrafiltration are produced to be sequentially communicated on the pipeline between the water inlet of water tank (6) and are connected to ultrafiltration booster pump (2), Sand Filtration System (3), coarse filter (4), ultrafiltration membrane system (5)；
Ultrafiltration is produced to be sequentially communicated on the pipeline between outlet and the water inlet of dense water tank (11) of water tank (6) and is connected to one section of RO booster pump (7), one section of RO cartridge filter (8), one section of RO high-pressure pump (9), one section of RO water treatment system (10)；
Pipeline between outlet and the water inlet of two grades of RO raw water boxs (17) of dense water tank (11) is sequentially communicated and is connected to two-stage nitration RO booster pump (12), two-stage nitration RO coarse filter (13), two-stage nitration RO cartridge filter (14), two-stage nitration RO high-pressure pump (15), two-stage nitration RO water treatment system (16)；
Another outlet of dense water tank (11) is connected with dense water vapo(u)rization system (38), and the distillate return flow line of dense water vapo(u)rization system (38) is connected with raw water box (1)；
Pipeline between outlet and the water inlet of reuse water tank (22) of two grades of RO raw water boxs (17) is sequentially communicated and is connected to two grades of RO booster pumps (18), two grades of RO cartridge filters (19), two grades of RO high-pressure pumps (20), two grades of RO water treatment systems (21).
The outlet of reuse water tank (22) produces water delivery pump (39), the connection arrival water spot A connection of mixed-bed resin system by connecting.
2. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that: ultrafiltration booster pump (2) is connected to antibacterial medicine system (23) with connecting on the pipeline of Sand Filtration System (3)；One section of RO booster pump (7) is connected to the first antisludging agent medicine system (24), reducing agent medicine system (25) with connecting on the pipeline of one section of RO cartridge filter (8)；Two-stage nitration RO coarse filter (13) is connected to the second antisludging agent medicine system (26) with connecting on the pipeline of two-stage nitration RO booster pump (12), and two grades of RO booster pumps (18) are connected to the 3rd antisludging agent medicine system (36) with connecting on the pipeline of two grades of RO cartridge filters (19).
3. plating cupric poaching wastewater according to claim 2 processes system, it is characterized in that: antibacterial medicine system (23), first antisludging agent medicine system (24), reducing agent medicine system (25), second antisludging agent medicine system (26) and the 3rd antisludging agent medicine system (36) all include dosing pump (1b), dosing tank (1a), liquid level controller (1c) it is provided with in each dosing tank (1a), each liquid level controller (1c) controls end with the dosing pump (1b) being each equipped with respectively and is connected, the liquid sucting port of each dosing pump (1b) connects with dosing tank (1a) bottom respectively, the liquid outlet of each dosing pump (1b) each through the pipeline with outlet valve (1d) respectively with the pipeline of ultrafiltration booster pump (2) Yu Sand Filtration System (3), the pipeline of one section of RO booster pump (7) and one section of RO cartridge filter (8), the pipeline of two-stage nitration RO coarse filter (13) and two-stage nitration RO booster pump (12), two grades of RO booster pumps (18) are connected with the pipeline connection of two grades of RO cartridge filters (19).
4. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that described mixed-bed resin system (37) includes producing water delivery pump (39), mixed-bed resin bucket (37), the outlet of reuse water tank (22) is connected with mixed-bed resin bucket (37) water inlet by producing water delivery pump (39), and the outlet of mixed-bed resin bucket (37) is connected with water spot A.
5. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that: the dense water out of one section of RO water treatment system (10) produces water tank (6) water inlet with ultrafiltration, the water inlet of dense water tank (11) is connected by pipeline.
6. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that: the dense water out of two-stage nitration RO water treatment system (16) is connected by pipeline with the water inlet of dense water tank (11), and this pipeline is connected to the dense water filter of two-stage nitration RO (27).
7. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that: the dense water out of two grades of RO water treatment systems (21) produces water tank (6) water inlet with ultrafiltration, the water inlet of two grades of RO raw water boxs (17) is connected by pipeline.
8. plating cupric poaching wastewater according to claim 1 processes system, it is characterized in that: the flow speed control of Sand Filtration System (3) is at 5-8m/h, the configuration of described ultrafiltration membrane system (5) includes immersion MBR, external TMBR, pillar ultrafiltration, and the material of described ultrafiltration membrane system (5) includes PVDF, PP, PTFE, PES.
9. plating cupric poaching wastewater according to claim 1 processes system, characterized by further comprising purging system, Sand Filtration System (3), ultrafiltration membrane system (5), one section of RO water treatment system (10), two-stage nitration RO water treatment system (16), the water inlet of two grades of RO water treatment systems (21) is respectively communicated with and is connected to flushing water access port (28), the outlet of Sand Filtration System (3), the outlet of ultrafiltration membrane system (5), on the dense water out branch road of one section of RO water treatment system (10), flushing water floss hole (29) all it is connected on the dense water out branch road of two-stage nitration RO water treatment system (16) and on the dense water out branch road of two grades of RO water treatment systems (21), the outlet of ultrafiltration membrane system (5) is connected to flushing access port (28), pipeline between water inlet and the flushing water access port (28) of ultrafiltration membrane system (5) is also connected with ultrafiltration cleanout fluid inlet (31), described purging system includes cleaned filter (32), flushing water pump (33), clean water tank (34), clean water tank (34), flushing water pump (33), cleaned filter (32) is sequentially connected in series, the outlet pipeline of cleaned filter (32) is divided into some branch roads and is connected with each flushing water access port (28) respectively, the outlet of flushing water pump (33) connects, between water tank (34), the water return pipeline (35) being connected to valve with cleaning, part or all of flushing water floss hole (29) is connected with cleaning water tank (34) by band valve pipeline.
10. the plating cupric rinsing waste-water treatment process implementing claim 1, it is characterized in that: plating cupric poaching wastewater enters raw water box (1), by (2) supercharging of ultrafiltration booster pump pollution entrance Sand Filtration System (3) being added antibacterial control microorganism by antibacterial medicine system, the silt in former water is removed through Sand Filtration System (3), float, the impurity such as colloid, it is directly entered ultrafiltration membrane system (5) reduce the turbidity of water inlet then through coarse filter (4) after, part ultrafiltration concentrate recirculation is to raw water box (1), ultrafiltration is produced water and is entered ultrafiltration product water tank (6)；Ultrafiltration is produced water and through one section of R0 booster pump (7) supercharging and is passed through to remove through one section of RO cartridge filter (8) after the first antisludging agent medicine system (24) adds antisludging agent control pollutant fouling to be forced through one section of RO system (10) separation purification again by one section of RO high-pressure pump (9) after small part float, water tank (6) is produced in major part concentrate recirculation to ultrafiltration, the dense water of fraction directly goes dense water tank (11) and dense water tank to be provided with two groups, when the water yield of the dense water tank of one of which reaches the specified water yield, automatically switch and organize dense water tank one section of dense water of RO of storage from another, one section of RO product water is directly entered two grades of RO raw water boxs (17) and processes further；In dense water tank (11), one section of dense water of RO of storage is again through two-stage nitration R0 booster pump (12), and after being added antisludging agent control pollutant fouling by the second antisludging agent medicine system (26), small part particle is removed after two-stage nitration R0 coarse filter (13) and two-stage nitration R0 cartridge filter (14), it is forced through two-stage nitration RO system (16) again by two-stage nitration R0 high-pressure pump (15) and is circulated concentrating and separating, dense water circulation concentrate recirculation is to the dense water tank of one of which (11), when concentration residue total Body Water is lower than 10%, out of service；Then automatically cleaning and switch to another organize dense water tank and start concentrating and separating, circulation operation, remaining 10% dense water goes dense water vapo(u)rization system (38) to crystallize into salt, and distillate is back to raw water box (1), and abraum salt outward transport is disposed；And two-stage nitration RO product water is directly entered two grades of RO raw water boxs (17) and is further processed；One section of RO produces water and enters two grades of RO raw water boxs (17) together with two-stage nitration RO product water, small part particle is removed through two grades of RO cartridge filters (19) again through after the supercharging of two grades of RO booster pumps (18), it is forced through two grades of RO systems (21) again by two grades of RO high-pressure pumps (20) and is easily separated purification, two grades of RO produce water and enter reuse water tank (22), two grades of RO are produced after water inject mixed-bed resin system (37) and soften reuse again to using water spot A by pipeline by the outlet of reuse water tank (22), two grades of dense water sections of RO are back to two grades of RO raw water boxs (17), it is partly refluxed to ultrafiltration and produces water tank (6).
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