CN208829505U - After-treatment system of the Fine Chemistry Wastewater after MVR distills - Google Patents
After-treatment system of the Fine Chemistry Wastewater after MVR distills Download PDFInfo
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- CN208829505U CN208829505U CN201821362100.9U CN201821362100U CN208829505U CN 208829505 U CN208829505 U CN 208829505U CN 201821362100 U CN201821362100 U CN 201821362100U CN 208829505 U CN208829505 U CN 208829505U
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Abstract
The utility model relates to a kind of after-treatment system of Fine Chemistry Wastewater after MVR distills, including the first conditioning tank, the first iron carbon and H2O2Reaction tank, the first coagulative precipitation tank, intermediate pool, the second conditioning tank, distribution reservoir, hydrolysis acidification pool, the pond UASB, MBR system, discharge bay, the second iron carbon and H2O2Reaction tank, the second coagulative precipitation tank, sludge concentration tank, plate and frame filter press, dry mud outward transport pond, supernatant collection pond, water sealed tank, deodorizing tank and biogas container.This system structure is simple, treatment effeciency is high, Fine Chemistry Wastewater can reach " the main pollution discharge standard in chemical industrial park " (DB50/457-2012) after the wastewater treatment after MVR distills, and the SS (solid suspension concentration) in waste water can reach " integrated wastewater discharge standard " (GB8978-1996) primary standard.
Description
Technical field
The utility model belongs to technical field of waste water processing, and in particular to a kind of Fine Chemistry Wastewater is after MVR distills
After-treatment system.
Background technique
Water outlet of the Fine Chemistry Wastewater after MVR distills is distillation condensate liquid and dense mother liquor, the pH value for distilling condensate liquid are
7-7.5, main pollutant consistence are CODcr >=25000mg/L, NaCl >=1000mg/L, and the pH value of dense mother liquor is 7-7.5, main
Want pollutant concentration for CODcr >=100000, NaCl >=200000, if direct emission will cause huge pollution to environment, because
This, it is necessary to it just can be carried out discharge after purified treatment is up to standard.
Summary of the invention
In view of the above technical problems, after the utility model is intended to provide a kind of Fine Chemistry Wastewater after MVR distills
Reason system, system structure is simple, at low cost, and waste water can achieve " the main pollution discharge standard in chemical industrial park " after processing
(DB50/457-2012), the SS in waste water reaches " integrated wastewater discharge standard " (GB8978-1996) primary standard.
For this purpose, the technology employed by the present utility model is a kind of post-processing of Fine Chemistry Wastewater after MVR distills
System, including the first conditioning tank, the first iron carbon and H2O2Reaction tank, intermediate pool, the second conditioning tank, is matched at the first coagulative precipitation tank
Pond, hydrolysis acidification pool, the pond UASB, MBR system, discharge bay, the second iron carbon and H2O2Reaction tank, the second coagulative precipitation tank, sludge
Concentration basin, plate and frame filter press, dry mud outward transport pond, supernatant collection pond, water sealed tank, deodorizing tank and biogas container, fine chemistry industry are useless
Water outlet of the water after MVR distills include dense mother liquor and distillation condensate liquid, dense mother liquor enter first conditioning tank, described first
Conditioning tank passes through drainpipe and the first iron carbon and H2O2Reaction tank is connected, the first iron carbon and H2O2Reaction tank passes through drainpipe
It is connected with the first coagulative precipitation tank, first coagulative precipitation tank is connected by drainpipe with intermediate pool, the intermediate pool
Water outlet be connected with distribution reservoir, distillation condensate liquid enter the second conditioning tank, second conditioning tank pass through drainpipe and water distribution
Pond is connected, and the water outlet of the distribution reservoir is connected with hydrolysis acidification pool, after dense mother liquor mixes in distribution reservoir with distillation condensate liquid
Hydrolysis acidification pool is flowed into, the hydrolysis acidification pool is connected by drainpipe with the pond UASB, the water outlet in the pond UASB and MBR system
The water inlet of system is connected, the water outlet of MBR system simultaneously with the second iron carbon and H2O2Reaction tank is connected with discharge bay, and described second
Iron carbon and H2O2Reaction tank is connected by drainpipe with the second coagulative precipitation tank, second coagulative precipitation tank pass through drainpipe and
Discharge bay is connected, the dirt in first coagulative precipitation tank, the second coagulative precipitation tank, hydrolysis acidification pool, the pond UASB and MBR system
Mud enters sludge concentration tank, and the sludge in the sludge concentration tank is by plate and frame filter press filters pressing, through plate and frame filter press filters pressing
Mud cake afterwards enters dry mud and transports outward pond, and the filter liquor of supernatant and plate and frame filter press in the sludge concentration tank flows into supernatant
The water outlet of collecting pit, the supernatant collection pond is connected with the second conditioning tank, what the hydrolysis acidification pool and the pond UASB generated
Biogas enters water sealed tank by gas collection pipeline, and the gas outlet of the water sealed tank is connected with deodorizing tank, and the deodorizing tank goes out
Port biogas container is connected.
Preferably, in first conditioning tank, the second conditioning tank, the first iron carbon and H2O2Reaction tank, the second iron carbon and
H2O2It is provided with agitating device in reaction tank, the first coagulative precipitation tank, the second coagulative precipitation tank and distribution reservoir, described first
Conditioning tank, the second conditioning tank, the first iron carbon and H2O2Reaction tank, the second iron carbon and H2O2Reaction tank, the first coagulative precipitation tank,
Elevator pump is provided in two coagulative precipitation tanks, hydrolysis acidification pool.Using the above structure, agitating device is for stirring in each pond
Waste water makes it uniformly, and the waste water that elevator pump is used to be promoted in each pond enters next processing equipment by drainpipe.
Preferably, being provided with biologic packing material in the hydrolysis acidification pool and the pond UASB.Using the above structure, biological
Filler is greatly improved micro organism quantity as bio-carrier, improves waste water treatment efficiency.
The beneficial effects of the utility model are: this system structure is simple, treatment effeciency is high, and Fine Chemistry Wastewater is steamed through MVR
It can reach after wastewater treatment after evaporating " the main pollution discharge standard in chemical industrial park " (DB50/457-2012), in waste water
SS (solid suspension concentration) can reach " integrated wastewater discharge standard " (GB8978-1996) primary standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the utility model is described in further detail:
As shown in Figure 1, a kind of after-treatment system of Fine Chemistry Wastewater after MVR distills, by the first conditioning tank 1, first
Iron carbon and H2O2Reaction tank 2, the first coagulative precipitation tank 3, intermediate pool 4, the second conditioning tank 5, distribution reservoir 6, hydrolysis acidification pool 7,
The pond UASB 8, MBR system 9, discharge bay 10, the second iron carbon and H2O2Reaction tank 11, the second coagulative precipitation tank 12, sludge concentration tank
13, plate and frame filter press 14, dry mud outward transport pond 15, supernatant collection pond 16, water sealed tank 17, deodorizing tank 18 and 19 groups of biogas container
At.
As shown in Figure 1, water outlet of the Fine Chemistry Wastewater after MVR distills be dense mother liquor and distillation condensate liquid, dense mother liquor into
Enter the first conditioning tank 1, the first conditioning tank 1 is provided with agitating device, by the stirring action of agitating device to dense mother liquor mean value
It measures, to guarantee the stable operation of entire waste water treatment system, elevator pump is provided in the first conditioning tank 1, elevator pump is promoted
Dense mother liquor after adjusting enters the first iron carbon and H by drainpipe2O2Reaction tank 2, in the first iron carbon and H2O2It is set in reaction tank 2
It is equipped with agitating device, to the first iron carbon and H2O2Iron carbon and H are added in reaction tank 22O2, and be stirred, dense mother liquor is carried out micro-
Electrolysis and advanced oxidation, in the first iron carbon and H2O2Reaction tank 2 is provided with elevator pump, and elevator pump is promoted through the first iron carbon and H2O2
Treated the dense mother liquor of reaction tank 2 enters the first coagulative precipitation tank 3, is provided with agitating device in the first coagulative precipitation tank 3,
PAC and PAM are added into the first coagulative precipitation tank 3, and are sufficiently mixed medicament and dense mother liquor by agitating device, dense mother liquor hair
Raw coagulation-flocculation reaction, precipitates suspended matter, further removes SS and COD in dense mother liquor, set in the first coagulative precipitation tank 3
It is equipped with elevator pump, the dense mother liquor that elevator pump promotes after coagulation-flocculation reaction and precipitation enters intermediate pool 4, intermediate water
The water outlet in pond 4 is connected with distribution reservoir 6, and distillation condensate liquid enters the second conditioning tank 5, and the second conditioning tank 5 is provided with stirring
Device measures condensate liquid mean value by the stirring action of agitating device, to guarantee the stable operation of entire waste water treatment system,
Elevator pump is provided in the second conditioning tank 5, the condensate liquid that elevator pump promotes after adjusting enters distribution reservoir 6 by drainpipe, dense
Mother liquor mixes in distribution reservoir 6 with condensate liquid, is provided with agitating device in distribution reservoir 6, added into distribution reservoir 6 PAC and
PAM, and be thoroughly mixed, SS and COD in removal waste water is acted on by flocculation sedimentation, waste water flows into after flocculation sedimentation acts on
Acidification is hydrolyzed in hydrolysis acidification pool 7, improves wastewater biodegradability, is provided with soft-filler in hydrolysis acidification pool 7, this is filled out
Expect that surface area is greater than elastic filler, and the biomass being loaded with is big, larger molecular organics matter in waste water can be cracked into small molecule
Substance, dissolved organic matter concentration in increase system improve the composition of useless Organic substance in water, while also can produce and a certain amount of have
Machine acid, adjusts the pH value of waste water, and elevator pump is provided in hydrolysis acidification pool 7, and elevator pump promotes the waste water after hydrolysis acidification
Enter the pond UASB 8 by drainpipe, methane is converted for useless Organic substance in water by anaerobe, degradation of organic substances,
Elastic filler is provided in the pond UASB 8, a large amount of microorganisms are grown in filler surface, are conducive to improve unit volume elimination capacity, subtract
Few pool capacity, reduce construction investment causes the density contrast of activated sludge and waste water smaller due to the too high in salinity in waste water,
The appropriate filler of installation in the pond UASB 8, is conducive to keep suitable sludge concentration, the water outlet in the pond UASB 8 and MBR system 9 into
The mouth of a river is connected, and waste water flows into MBR system 9 after anaerobic reaction, by advanced MBR technique, removes COD, MBR system 9 goes out
The mouth of a river simultaneously with the second iron carbon and H2O2Reaction tank 11 is connected with discharge bay 10, if the water outlet of MBR system 9 can reach effluent quality
It is required that then treated that waste water enters discharge bay 10 through MBR system 9, if effluent quality requirement cannot be reached, enter the second iron
Carbon and H2O2Reaction tank 11 continues with, in the second iron carbon and H2O2Be provided with agitating device in reaction tank 11, to the second iron carbon and
H2O2Iron carbon and H are added in reaction tank 112O2, and be thoroughly mixed, light electrolysis and advanced oxidation are carried out to waste water, second
Iron carbon and H2O2Elevator pump is provided in reaction tank 11, elevator pump is promoted through the second iron carbon and H2O2That treated is useless for reaction tank 11
Water enters the second coagulative precipitation tank 12 by drainpipe, is provided with agitating device in the second coagulative precipitation tank 12, mixed to second
Add PAC and PAM in solidifying sedimentation basin 12, be thoroughly mixed, coagulation-flocculation reaction occurs again for waste water, further remove SS and
COD is provided with elevator pump to guarantee that final outflow water is up to standard in the second coagulative precipitation tank 12, and elevator pump is promoted through the second coagulation
Treated that waste water enters discharge bay 10 for sedimentation basin 12.First coagulative precipitation tank 3, the second coagulative precipitation tank 12, hydrolysis acidification pool
7, the sludge in the pond UASB 8 and MBR system 9 is collected to sludge concentration tank 13, and the sludge in sludge concentration tank 13 passes through sheet frame
14 filters pressing of filter press, the mud cake after 14 filters pressing of plate and frame filter press enter dry mud and transport outward pond 15, the supernatant in sludge concentration tank 13
The filter liquor of liquid and plate and frame filter press 14 flows into supernatant collection pond 16, the water outlet in supernatant collection pond 16 and the second conditioning tank
5 are connected, and supernatant, which flows into the second conditioning tank 5, carries out secondary treatment, and the biogas of hydrolysis acidification pool 7 and the generation of the pond UASB 8 passes through
Gas collection pipeline enters water sealed tank 17, and the gas outlet of water sealed tank 17 is connected with deodorizing tank 18, the gas outlet biogas of deodorizing tank 18
Container 19 is connected, and it is temporary that biogas enters biogas container 19 after water seal, desulfurization.
Claims (3)
1. a kind of after-treatment system of Fine Chemistry Wastewater after MVR distills, it is characterised in that: including the first conditioning tank, first
Iron carbon and H2O2Reaction tank, the first coagulative precipitation tank, intermediate pool, the second conditioning tank, distribution reservoir, hydrolysis acidification pool, the pond UASB,
MBR system, discharge bay, the second iron carbon and H2O2Reaction tank, the second coagulative precipitation tank, sludge concentration tank, plate and frame filter press, dry mud
Outward transport pond, supernatant collection pond, water sealed tank, deodorizing tank and biogas container, water outlet of the Fine Chemistry Wastewater after MVR distills include
Dense mother liquor and distillation condensate liquid, dense mother liquor enter first conditioning tank, and first conditioning tank passes through drainpipe and the first iron
Carbon and H2O2Reaction tank is connected, the first iron carbon and H2O2Reaction tank is connected by drainpipe with the first coagulative precipitation tank, described
First coagulative precipitation tank is connected by drainpipe with intermediate pool, and the water outlet of the intermediate pool is connected with distribution reservoir, distillation
Condensate liquid enters the second conditioning tank, and second conditioning tank is connected by drainpipe with distribution reservoir, the water outlet of the distribution reservoir
It is connected with hydrolysis acidification pool, dense mother liquor flows into hydrolysis acidification pool, the hydrolysis acid after mixing in distribution reservoir with distillation condensate liquid
Change pond to be connected by drainpipe with the pond UASB, the water outlet in the pond UASB is connected with the water inlet of MBR system, MBR system
Water outlet simultaneously with the second iron carbon and H2O2Reaction tank is connected with discharge bay, the second iron carbon and H2O2Reaction tank passes through draining
Pipe is connected with the second coagulative precipitation tank, and second coagulative precipitation tank is connected by drainpipe with discharge bay, first coagulation
Sludge in sedimentation basin, the second coagulative precipitation tank, hydrolysis acidification pool, the pond UASB and MBR system enters sludge concentration tank, described
By plate and frame filter press filters pressing, the mud cake after plate and frame filter press filters pressing enters dry mud and transports outward pond sludge in sludge concentration tank,
The filter liquor of supernatant and plate and frame filter press in the sludge concentration tank flows into supernatant collection pond, the supernatant collection pond
Water outlet be connected with the second conditioning tank, the biogas that the hydrolysis acidification pool and the pond UASB generate is entered by gas collection pipeline
The gas outlet of water sealed tank, the water sealed tank is connected with deodorizing tank, and the gas outlet biogas container of the deodorizing tank is connected.
2. after-treatment system of the Fine Chemistry Wastewater according to claim 1 after MVR distills, it is characterised in that: in institute
State the first conditioning tank, the second conditioning tank, the first iron carbon and H2O2Reaction tank, the second iron carbon and H2O2Reaction tank, the first coagulating sedimentation
It is provided with agitating device in pond, the second coagulative precipitation tank and distribution reservoir, in first conditioning tank, the second conditioning tank, first
Iron carbon and H2O2Reaction tank, the second iron carbon and H2O2Reaction tank, the first coagulative precipitation tank, the second coagulative precipitation tank, hydrolysis acidification pool
Inside it is provided with elevator pump.
3. after-treatment system of the Fine Chemistry Wastewater according to claim 1 after MVR distills, it is characterised in that: in institute
It states in hydrolysis acidification pool and the pond UASB and is provided with biologic packing material.
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CN201821362100.9U CN208829505U (en) | 2018-08-22 | 2018-08-22 | After-treatment system of the Fine Chemistry Wastewater after MVR distills |
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CN201821362100.9U CN208829505U (en) | 2018-08-22 | 2018-08-22 | After-treatment system of the Fine Chemistry Wastewater after MVR distills |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111099794A (en) * | 2020-02-10 | 2020-05-05 | 东莞市诚盈环保科技有限公司 | Anodic oxidation wastewater integrated treatment environmental protection equipment |
CN114804459A (en) * | 2022-05-12 | 2022-07-29 | 江苏美科太阳能科技股份有限公司 | Comprehensive treatment method for high-concentration wastewater and low-concentration wastewater generated in large-size silicon wafer cutting |
-
2018
- 2018-08-22 CN CN201821362100.9U patent/CN208829505U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111099794A (en) * | 2020-02-10 | 2020-05-05 | 东莞市诚盈环保科技有限公司 | Anodic oxidation wastewater integrated treatment environmental protection equipment |
CN114804459A (en) * | 2022-05-12 | 2022-07-29 | 江苏美科太阳能科技股份有限公司 | Comprehensive treatment method for high-concentration wastewater and low-concentration wastewater generated in large-size silicon wafer cutting |
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