CN203922913U - The treatment unit of a kind of industrial park brine waste - Google Patents
The treatment unit of a kind of industrial park brine waste Download PDFInfo
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- CN203922913U CN203922913U CN201420116832.5U CN201420116832U CN203922913U CN 203922913 U CN203922913 U CN 203922913U CN 201420116832 U CN201420116832 U CN 201420116832U CN 203922913 U CN203922913 U CN 203922913U
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- reverse osmosis
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Abstract
The utility model discloses a kind for the treatment of unit of brine waste, comprise equalizing tank, softening settling tank, medicament torage tank, more medium filter, ultra-filtration equipment, first paragraph rolling reverse osmosis system, second segment rolling reverse osmosis system, ion exchange unit, rolling nano filter membrance device, high pressure reverse osmosis membrane system, high-efficiency evaporator.Apparatus and method contamination resistance of the present utility model is strong, solve blockage problem, cycles of concentration is high, reuse efficiency is high, processing efficiency is high, level of automation is high, reduced investment, and running cost is low.
Description
Technical field
The utility model relates to treatment unit and the method for a kind of industrial park brine waste, belongs to the water treatment field in environment protection.
Background technology
Current, the processing of chemical industrial park brine waste, can adopt two schemes substantially: traditional technology, improved technology.
Traditional technology: adopt traditional more medium filter+ultrafiltration+two section rolling reverse osmosis+evaporation pond technique.One section of coiled reverse osmosis membrane system of actual employing in some projects.This traditional technology, system recoveries rate is in 80%, and producing dense water needs big area evaporation pond.
Shortcoming: investment is large, takes up an area greatly, and running cost is large, larger to environment negative impact;
Improved technology: being the advanced technologies of just having risen at home at present, is to have increased high pressure reverse osmosis system in two sections of coiled reverse osmosis membrane system-based, joins afterwards evaporation pond.On the basis of traditional scheme, this programme evaporation pond area reduces to some extent.
Advantage: the advance possessing skills, easy and simple to handle, steam output reduces.
Shortcoming: than traditional technology investment, save, but still larger, take up an area minimizing but still larger, running cost is larger, and to environment, negative impact reduces a little, but there is no essential distinction.
Zero discharge of industrial waste water is the policy that meets strict environmental requirement, in brine waste process field, be badly in need of a kind of contamination resistance strong, solve blockage problem, cycles of concentration is high, reuse efficiency is high, processing efficiency is high, reduced investment, the treatment process that running cost is low and equipment.
Utility model content
The problem existing for prior art, the utility model provides a kind for the treatment of unit of brine waste, comprise equalizing tank, softening settling tank, medicament torage tank, more medium filter, ultra-filtration equipment, first paragraph rolling reverse osmosis system, second segment rolling reverse osmosis system, ion exchange unit, rolling nano filter membrance device, high pressure reverse osmosis membrane system, high-efficiency evaporator, brine waste outfall pipeline connects equalizing tank entrance, equalizing tank outlet connects softening settling tank entrance by pipeline, the dosing mouth of medicament torage tank passes into softening settling tank, softening settling tank supernatant liquor outlet connects the entrance of more medium filter by pipeline, the outlet of more medium filter is connected ultra-filtration equipment by pipeline with high-pressure pump, the outlet of ultra-filtration equipment is connected first paragraph rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of first paragraph rolling reverse osmosis system is connected the entrance of second segment rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of second segment rolling reverse osmosis system connects the entrance of ion exchange resin by pipeline, the product water out of first and second section of rolling reverse osmosis system is connected and produced water reclaiming system by pipeline, the outlet of ion exchange resin is connected the entrance of leading portion high pressure reverse osmosis membrane system with high-pressure pump by pipeline, the dense water out of leading portion high pressure reverse osmosis membrane system is connected the entrance of rolling nano filter membrance device with high-pressure pump by pipeline, the product water out of leading portion high pressure reverse osmosis membrane system is connected and produced water reclaiming system by pipeline, the monovalent ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 2 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 2 connects the entrance of second segment high pressure reverse osmosis membrane system 2 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 2 connects high-efficiency evaporator No. 2 by pipeline, evaporative crystallization goes out monovalence Industrial Salt, and the product water out of the product water out of first paragraph high pressure reverse osmosis membrane system 2, second segment high pressure reverse osmosis membrane system 2 is connected and produced water reclaiming system by pipeline, the high valence ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 1 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 1 connects the entrance of second segment high pressure reverse osmosis membrane system 1 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 1 connects high-efficiency evaporator No. 1 by pipeline, the evaporative crystallization Industrial Salt that outbids, the product water out of first paragraph high pressure reverse osmosis membrane system 1, second segment high pressure reverse osmosis membrane system 1 is connected and is produced water reclaiming system by pipeline.
Also comprise emergency lagoon, the entrance of emergency lagoon is connected on No. 1, No. 2 high-efficiency evaporators, at the bottom of pond and wall adopt double-deck HDPE anti seepage membrane and geotextile to carry out antiseepage processing.
In softening settling tank, agitator being set makes medicament fully mix with water.
The method of using the treatment unit processing brine waste of above-mentioned brine waste, comprises the steps:
(1) brine waste enters equalizing tank by pipeline and carries out entering after simple modulation softening settling tank, first to softening settling tank, add liming reaction 10 minutes, precipitate 30 minutes, add again sodium carbonate, react 10 minutes, precipitate 30 minutes, then acid adding regulates below PH to 6.5, and supernatant liquor flows into more medium filter;
(2) through the preliminary liquid stream filtering of more medium filter, by high-pressure pump, enter ultra-filtration equipment, the liquid stream filtering through ultra-filtration membrane device enters first paragraph rolling reverse osmosis system by high-pressure pump;
(3) concentrated stream of first paragraph rolling reverse osmosis system enters by high-pressure pump to enter second segment rolling reverse osmosis system, produces water and enters product water reclaiming system;
(4) concentrated stream of second segment rolling reverse osmosis system enters into ion exchange resin, produces water and enters product water reclaiming system;
(5) ion exchange resin is set, useless water hardness is further removed, liquid stream enters leading portion high pressure reverse osmosis membrane system by high-pressure pump afterwards;
(6) concentrated stream of leading portion high pressure reverse osmosis membrane system enters into rolling nanofiltration membrane, produces water and enters product water reclaiming system;
(7) liquid stream is divided into monovalent ion liquid stream and high valence ion liquid stream in rolling nano filter membrance device; Monovalent ion liquid stream enters first paragraph high pressure reverse osmosis membrane system 2 by high-pressure pump, and the dense water of generation enters second segment high pressure reverse osmosis membrane system 2, produces water and enters product water reclaiming system; High valence ion liquid stream enters first paragraph high pressure reverse osmosis membrane system 2 by high-pressure pump, and the dense water of generation enters second segment high pressure reverse osmosis membrane system 2, produces water and enters product water reclaiming system;
(8) the dense water that second segment high pressure reverse osmosis membrane system 2 produces enters high-efficiency evaporator No. 2, produces monovalence Industrial Salt, and recycle through concentration and evaporation, produces water and enters product water reclaiming system; The dense water that second segment high pressure reverse osmosis membrane system 1 produces enters high-efficiency evaporator No. 1, produces high price Industrial Salt, and recycle through concentration and evaporation, and product water enters and produces water reclaiming system.
When high-efficiency evaporator breakdown maintenance, use step (9) with alternative steps (8), specific as follows: after the dense water that second segment high pressure reverse osmosis membrane system 1, second segment high pressure reverse osmosis membrane system 2 produces enters respectively No. 1, No. 2 high-efficiency evaporators, directly enter emergency lagoon, at the bottom of emergency lagoon pond and wall adopt double-deck HDPE anti seepage membrane and geotextile etc. to carry out antiseepage processing.
The maximum 120bar of first paragraph high pressure reverse osmosis membrane system 1 working pressure, the maximum 75bar of first paragraph high pressure reverse osmosis membrane system 2 working pressures, the maximum 160bar of second segment high pressure reverse osmosis membrane system 1 working pressure, the maximum 120bar of second segment high pressure reverse osmosis membrane system 2 working pressures.
When first paragraph high pressure reverse osmosis membrane system 2 enter SDI≤5 of liquid stream time, first paragraph high pressure reverse osmosis membrane system 2 is substituted by sea water desaltination film system, SDI≤5 o'clock that enter liquid stream of present segment high pressure reverse osmosis membrane system, leading portion high pressure reverse osmosis membrane system is substituted by sea water desaltination film system, the highest 80bar of working pressure of sea water desaltination film system.
The TDS < 500mg/L of the product water of final reuse, reuse water production rate accounts for 97% of brine waste inlet.
The utility model has following advantage compared with prior art:
(1) contamination resistance is strong, solves blockage problem
For processing high density high pollution waste water, design specially, allow influent quality fluctuation range large, high voltage type reverse osmosis membrane water inlet SDI can simplify pre-treatment up to 6.5, reduces investment, even the in the situation that of high turbidity water inlet, flux decline is still less.Unique structure, has solved the dirty stifled and scale problems of diaphragm; Cleaning interval is long, and membrane flux is restorative good.
(2) cycles of concentration is high, and reuse efficiency is high
High pressure reverse osmosis membrane (high-pressure membrane) technology is on traditional rolled film element, carried out bold innovation, it is the membrane element form of a kind of uniqueness in current membrane sepn field, its unique design makes operating pressure be up to 200bar, can tolerate the brine waste of greater concn, this is the working pressure that existing rolled film all can not be promised to undertake; Rolling reverse osmosis and high-pressure membrane are used in conjunction with, and Waste water concentrating multiple is very high, can be up to arriving 40-50 doubly.
(3) high rejection, stable and reliable operation
High precision film all has high clearance to every pollutent, and one-level just can be held back COD and be greater than 96%, and ammonia nitrogen is greater than 93%, and salt is greater than 97-99%; Secondary is all greater than 99.5-99.99%, and system effluent quality is highly stable.
(4) reduced investment, running cost is low
Reverse osmosis membrane system technique is simple, and without loaded down with trivial details flow process, civil engineering facility is few, and occupation area of equipment is little, and the construction period is short, and therefore investment reduces greatly;
Waste water reclamation rate is high, reaches 97%, and evaporation pond investment reduces greatly; When running cost reduces, processing water outlet can reuse, realizes closed cycle, reaches real zero release.
(5) modular design, flexible operation
As physical sepn equipment, and through modular design, the system operation of high voltage type film is flexible, can be continuously or intermittent operation, and the series-parallel system of capable of regulating system, adapts to water quality and quantity requirement.Follow-up reorganization and expansion is easy.
(6) level of automation is high, and operation operation is easy
Whole system is full rotation type, and whole system is provided with perfect monitoring, Controlling System, and PLC can regulate automatically according to sensor parameters, sends guard signal in good time, and system is formed to protection.
Accompanying drawing explanation
Fig. 1 is the treatment unit schematic diagram of the utility model embodiment.
Embodiment
The industry park brine waste processing project of take is below introduced as embodiment.
Comprise equalizing tank, softening settling tank, medicament torage tank, more medium filter, ultra-filtration equipment, first paragraph rolling reverse osmosis system, second segment rolling reverse osmosis system, ion exchange unit, rolling nano filter membrance device, high pressure reverse osmosis membrane system, high-efficiency evaporator, brine waste outfall pipeline connects equalizing tank entrance, equalizing tank outlet connects softening settling tank entrance by pipeline, the dosing mouth of medicament torage tank passes into softening settling tank, softening settling tank supernatant liquor outlet connects the entrance of more medium filter by pipeline, the outlet of more medium filter is connected ultra-filtration equipment by pipeline with high-pressure pump, the outlet of ultra-filtration equipment is connected first paragraph rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of first paragraph rolling reverse osmosis system is connected the entrance of second segment rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of second segment rolling reverse osmosis system connects the entrance of ion exchange resin by pipeline, the product water out of first and second section of rolling reverse osmosis system is connected and produced water reclaiming system by pipeline, the outlet of ion exchange resin is connected the entrance of leading portion high pressure reverse osmosis membrane system with high-pressure pump by pipeline, the dense water out of leading portion high pressure reverse osmosis membrane system is connected the entrance of rolling nano filter membrance device with high-pressure pump by pipeline, the product water out of leading portion high pressure reverse osmosis membrane system is connected and produced water reclaiming system by pipeline, the monovalent ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 2 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 2 connects the entrance of second segment high pressure reverse osmosis membrane system 2 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 2 connects high-efficiency evaporator No. 2 by pipeline, evaporative crystallization goes out monovalence Industrial Salt, and the product water out of the product water out of first paragraph high pressure reverse osmosis membrane system 2, second segment high pressure reverse osmosis membrane system 2 is connected and produced water reclaiming system by pipeline, the high valence ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 1 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 1 connects the entrance of second segment high pressure reverse osmosis membrane system 1 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 1 connects high-efficiency evaporator No. 1 by pipeline, the evaporative crystallization Industrial Salt that outbids, the product water out of first paragraph high pressure reverse osmosis membrane system 1, second segment high pressure reverse osmosis membrane system 1 is connected and is produced water reclaiming system by pipeline.
Garden is used above-mentioned treatment unit to process the method for brine waste, comprises the steps:
(1) flow is 30000m
3brine waste (TDS≤2800mg/L of/d, hardness≤1600mg/L) by pipeline, entering equalizing tank carries out entering softening settling tank after simple modulation, first to softening settling tank, add liming reaction 10 minutes, precipitate 30 minutes, add again sodium carbonate, react 10 minutes, precipitate 30 minutes, then acid adding regulates PH to 6.5, and supernatant liquor flows into more medium filter;
(2) through the preliminary liquid stream filtering of more medium filter, by high-pressure pump, enter ultra-filtration equipment, the liquid stream filtering through ultra-filtration membrane device enters first paragraph rolling reverse osmosis system by high-pressure pump;
(3) the dense aquatic products amount of first paragraph rolling reverse osmosis system is 30000m
3/ d, producing aquatic products amount is 20000m
3/ d, concentrated stream enters by high-pressure pump to enter second segment rolling reverse osmosis system, produces water and enters product water reclaiming system;
(4) the dense aquatic products amount of second segment rolling reverse osmosis system is 3500m
3/ d, producing aquatic products amount is 6500m
3/ d, concentrated stream enters into ion exchange resin, produces water and enters product water reclaiming system;
(5) ion exchange resin is set, useless water hardness is further removed, liquid stream enters leading portion high pressure reverse osmosis membrane system by high-pressure pump afterwards;
(6) concentrated stream of leading portion high pressure reverse osmosis membrane system enters into rolling nanofiltration membrane, produces water and enters product water reclaiming system;
(7) liquid stream is divided into monovalent ion liquid stream and high valence ion liquid stream in rolling nano filter membrance device; Monovalent ion liquid stream enters first paragraph high pressure reverse osmosis membrane system 2 by high-pressure pump, and the dense water of generation enters second segment high pressure reverse osmosis membrane system 2, produces water and enters product water reclaiming system; High valence ion liquid stream enters first paragraph high pressure reverse osmosis membrane system 2 by high-pressure pump, and the dense water of generation enters second segment high pressure reverse osmosis membrane system 2, produces water and enters product water reclaiming system;
(8) the dense water that second segment high pressure reverse osmosis membrane system 2 produces enters high-efficiency evaporator No. 2, produces monovalence Industrial Salt, and recycle through concentration and evaporation, produces water and enters product water reclaiming system; The dense water that second segment high pressure reverse osmosis membrane system 1 produces enters high-efficiency evaporator No. 1, produces high price Industrial Salt, and recycle through concentration and evaporation, and product water enters and produces water reclaiming system.
When high-efficiency evaporator breakdown maintenance, use step (9) with alternative steps (8), specific as follows: after the dense water that second segment high pressure reverse osmosis membrane system 1, second segment high pressure reverse osmosis membrane system 2 produces enters respectively No. 1, No. 2 high-efficiency evaporators, directly enter emergency lagoon, at the bottom of emergency lagoon pond and wall adopt double-deck HDPE anti seepage membrane and geotextile etc. to carry out antiseepage processing.
First paragraph high pressure reverse osmosis membrane system 1 working pressure is 120bar, first paragraph high pressure reverse osmosis membrane system 2 working pressures are 75bar, second segment high pressure reverse osmosis membrane system 1 working pressure is 160bar, and second segment high pressure reverse osmosis membrane system 2 working pressures are 120bar.
When first paragraph high pressure reverse osmosis membrane system 2 enter SDI≤5 of liquid stream time, first paragraph high pressure reverse osmosis membrane system 2 is substituted by sea water desaltination film system, SDI≤5 o'clock that enter liquid stream of present segment high pressure reverse osmosis membrane system, leading portion high pressure reverse osmosis membrane system is substituted by sea water desaltination film system, and the working pressure of sea water desaltination film system is 80bar.
The TDS < 50mg/L of the product water of final reuse, reuse water production rate accounts for 97% of brine waste inlet.
Claims (3)
1. the treatment unit of a brine waste, comprise equalizing tank, softening settling tank, medicament torage tank, more medium filter, ultra-filtration equipment, first paragraph rolling reverse osmosis system, second segment rolling reverse osmosis system, ion exchange unit, rolling nano filter membrance device, high pressure reverse osmosis membrane system, high-efficiency evaporator, it is characterized in that: brine waste outfall pipeline connects equalizing tank entrance, equalizing tank outlet connects softening settling tank entrance by pipeline, the dosing mouth of medicament torage tank passes into softening settling tank, softening settling tank supernatant liquor outlet connects the entrance of more medium filter by pipeline, the outlet of more medium filter is connected ultra-filtration equipment by pipeline with high-pressure pump, the outlet of ultra-filtration equipment is connected first paragraph rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of first paragraph rolling reverse osmosis system is connected the entrance of second segment rolling reverse osmosis system with high-pressure pump by pipeline, the dense water out of second segment rolling reverse osmosis system connects the entrance of ion exchange resin by pipeline, the product water out of first and second section of rolling reverse osmosis system is connected and produced water reclaiming system by pipeline, the outlet of ion exchange resin is connected the entrance of leading portion high pressure reverse osmosis membrane system with high-pressure pump by pipeline, the dense water out of leading portion high pressure reverse osmosis membrane system is connected the entrance of rolling nano filter membrance device with high-pressure pump by pipeline, the product water out of leading portion high pressure reverse osmosis membrane system is connected and produced water reclaiming system by pipeline, the monovalent ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 2 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 2 connects the entrance of second segment high pressure reverse osmosis membrane system 2 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 2 connects high-efficiency evaporator No. 2 by pipeline, evaporative crystallization goes out monovalence Industrial Salt, and the product water out of the product water out of first paragraph high pressure reverse osmosis membrane system 2, second segment high pressure reverse osmosis membrane system 2 is connected and produced water reclaiming system by pipeline, the high valence ion water export of rolling nano filter membrance device is connected the entrance of first paragraph high pressure reverse osmosis membrane system 1 with high-pressure pump by pipeline, the dense water out of first paragraph high pressure reverse osmosis membrane system 1 connects the entrance of second segment high pressure reverse osmosis membrane system 1 by pipeline, the dense water out of second segment high pressure reverse osmosis membrane system 1 connects high-efficiency evaporator No. 1 by pipeline, the evaporative crystallization Industrial Salt that outbids, the product water out of first paragraph high pressure reverse osmosis membrane system 1, second segment high pressure reverse osmosis membrane system 1 is connected and is produced water reclaiming system by pipeline.
2. the treatment unit of brine waste as claimed in claim 1, it is characterized in that, also comprise emergency lagoon, the entrance of emergency lagoon is connected on No. 1, No. 2 high-efficiency evaporators, at the bottom of pond and wall adopt double-deck HDPE anti seepage membrane and geotextile to carry out antiseepage processing, emergency lagoon has evaporation pond function.
3. the treatment unit of brine waste as claimed in claim 1, is characterized in that, in softening settling tank, agitator is set medicament is fully mixed with water.
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CN201420116832.5U CN203922913U (en) | 2014-03-13 | 2014-03-13 | The treatment unit of a kind of industrial park brine waste |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103979725A (en) * | 2014-03-13 | 2014-08-13 | 郭强 | Processing apparatus and processing method for industrial park salt-containing wastewater |
CN109305733A (en) * | 2018-10-18 | 2019-02-05 | 河南科技学院 | A kind of polluted source abatement equipment of multistage purification |
-
2014
- 2014-03-13 CN CN201420116832.5U patent/CN203922913U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103979725A (en) * | 2014-03-13 | 2014-08-13 | 郭强 | Processing apparatus and processing method for industrial park salt-containing wastewater |
CN103979725B (en) * | 2014-03-13 | 2016-01-06 | 郭强 | The treatment unit of a kind of industrial park brine waste and method |
CN109305733A (en) * | 2018-10-18 | 2019-02-05 | 河南科技学院 | A kind of polluted source abatement equipment of multistage purification |
CN109305733B (en) * | 2018-10-18 | 2021-06-29 | 河南科技学院 | Polluted water source treatment equipment with multi-stage purification |
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GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160106 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |