CN107601744A - High-salt wastewater processing system and its method - Google Patents

High-salt wastewater processing system and its method Download PDF

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Publication number
CN107601744A
CN107601744A CN201711024712.7A CN201711024712A CN107601744A CN 107601744 A CN107601744 A CN 107601744A CN 201711024712 A CN201711024712 A CN 201711024712A CN 107601744 A CN107601744 A CN 107601744A
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salt wastewater
processing system
parts
processor
sludge
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CN201711024712.7A
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CN107601744B (en
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张惠
朴埼鎬
陈浩
王中正
张曦
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Institute Of Comprehensive Technology For Environment Of Rivers And Rivers
Changjiang Institute of Survey Planning Design and Research Co Ltd
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Institute Of Comprehensive Technology For Environment Of Rivers And Rivers
Changjiang Institute of Survey Planning Design and Research Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

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Abstract

The invention discloses a kind of high-salt wastewater processing system and its processing method, the system includes purification tank for liquid waste, efficient sedimentation tank, composite electromagnetic water treatment facilities, ultrafilter purifier, reverse-osmosis filtering device and the low-temperature evaporation device being sequentially connected;The composite electromagnetic water treatment facilities is made up of plasma processor, magnetic processor, the import of the plasma processor is connected with the outlet of efficient sedimentation tank, the outlet of the plasma processor is connected with the import of magnetic processor, and the outlet of the magnetic processor is connected with the import of filtering purifying apparatus.The high-salt wastewater processing system of the present invention can effectively reduce Pollutants in Wastewater concentration and improve salinity physical property, reach high-salt wastewater efficient process and the effect of salinity recovery.

Description

High-salt wastewater processing system and its method
Technical field
The present invention relates to the technical field of wastewater treatment, and in particular to a kind of high-salt wastewater processing system and its method.
Background technology
In Chinese society economic development and urbanization process, it is sustainable that water scarcity is increasingly becoming restriction China One of principal element of development strategy.In recent years, as the plant-scale constantly increase in China, industrial water consumption increase sharply.Meanwhile Produce wastewater flow rate also to increase rapidly, huge challenge is brought to current wastewater treatment and recovery and utilization technology.Industrial wastewater As directly discharged, serious pollution will be produced to surrounding soil, water body environment.Waste water through handle it is qualified it is up to standard after, if do not reclaimed Utilize, then cause water resource waste, aggravate shortage of water resources.
High-salt wastewater refers to containing organic matter and the waste water of the total dissolved solidss thing (TDS) of at least 3.5% (mass concentration). High-salt wastewater wide material sources, first, in chemical industry, pharmacy, oil, papermaking, dairy produce processing, a variety of industrial productions such as food is canned During, can discharge a large amount of waste water, not only contain the organic pollution of many high concentrations in water, and with a large amount of calcium, sodium, chlorine, Sulfate radical plasma;Second, in order to make full use of water resource, many coastal cities directly use sea water as industrial process waters Or cooling water, although this part of contaminated water does not contain substantial amounts of noxious material, water is big, salt content is high, also more intractable.
It is most of to take the outer row side of dilution due to lacking technology, feasibility and reliability economically for high-salt wastewater Method.This method not only can not really reduce the total emission volumn of pollutant, and cause the waste of fresh water, and particularly saliferous gives up The discharge of water, fresh water water resource mineralising and alkalization of soils certainly will be caused.With external high-salt wastewater " zero-emission " or " become zero-emission " Desalting technology level compare, there is larger gap in China.Therefore, how the effective high-salt wastewater desalting processing technique of exploiting economy Technology, promote the recycling of high-salt wastewater, and solve the bottleneck problem that water resource recycles.
The content of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned background technology, and it is high to provide a kind of good separating effect, the rate of recovery High-salt wastewater processing system, additionally provide a kind of method handled using high-salt wastewater processing system.
To achieve the above object, the high-salt wastewater processing system designed by the present invention, it is included at the waste water that is sequentially connected Manage pond, efficient sedimentation tank, composite electromagnetic water treatment facilities, ultrafilter purifier, reverse-osmosis filtering device and low-temperature evaporation dress Put;
The composite electromagnetic water treatment facilities is made up of plasma processor, magnetic processor, the plasma processor Import is connected with the outlet of purification tank for liquid waste, and the outlet of the plasma processor is connected with the import of magnetic processor, the magnetic The outlet of processor is connected with the import of ultrafilter purifier.
In above-mentioned technical proposal, it also includes sludge treatment equipment, the efficient sedimentation tank, the sludge of ultrafilter purifier Outlet is connected with the sludge import of sludge treatment equipment respectively.
In above-mentioned technical proposal, net magic square inorganic agent is filled with the purification tank for liquid waste.
In above-mentioned technical proposal, the ultrafilter purifier is made up of several hyperfiltration membrane assemblies, each milipore filter Component includes center filter pipe, and the outer wall ring of the center filter pipe is covered with ultrafiltration ceramic film, the center filter pipe Net magic square inorganic agent is filled between outer wall and ultrafiltration ceramic film inwall.
Further, the net magic square inorganic agent is made up of following component in parts by weight:Clinoptilolite, 65-75 parts;It is high Ridge stone, 10-15 parts;The clay mineral of high-cation exchange capacity, 5-10 parts;Quartz sand, 1-2 parts;Volcanic ash, 6-8 parts;Wheat meal Stone, 2-3 parts.
Preferably, the net magic square inorganic agent is made up of following component in parts by weight:Clinoptilolite, 70-75 parts;Kaolinite Stone, 12-15 parts;The clay mineral of high-cation exchange capacity, 6-10 parts;Quartz sand, 1-2 parts;Volcanic ash, 7-8 parts;Wheat meal Stone, 2-3 parts.
Present invention also offers a kind of method handled using above-mentioned high-salt wastewater processing system, including following step Suddenly:
1) high-salt wastewater initially enters purification tank for liquid waste, and the net magic square inorganic agent in purification tank for liquid waste is located in advance to waste water Reason, the waste water by pretreatment enter efficient sedimentation tank and carry out separation of solid and liquid;
2) supernatant after efficient sedimentation tank separates enters composite electromagnetic water treatment facilities, utilizes corona treatment Device and magnetic processor carry out materializing strategy to waste water;
3) enter ultrafilter purifier from the waste water of composite electromagnetic water treatment facilities discharge, pass through in ultrafilter purifier The filtering and purification of net magic square inorganic agent and ultrafiltration ceramic film, obtain entering osmosis filtration dress after the only waste water containing salinity Put;
4) water purification that waste water obtains after the effect of reverse osmosis membrane in reverse-osmosis filtering device is directly outer arranges, caused Concentration salt solution enters low-temperature evaporation device, and the salinity secondary recovery obtained after treatment utilizes;
5) efficient sedimentation tank, sludge caused by ultrafilter purifier enter after sludge treatment equipment obtains desiccation by processing Sludge.
Compared with prior art, the invention has the advantages that:
First, the high-salt wastewater Processing System Design of the present invention has purification tank for liquid waste, the efficiency of Water purification can be improved; Composite electromagnetic water treatment facilities is also devised with, composite electromagnetic water treatment facilities is using plasma processor, magnetic processor series connection group Into, materializing strategy can be carried out to waste water, it is effective to reduce Pollutants in Wastewater concentration, improve salinity physical property, improve film point From efficiency.
Second, it is filled with net magic square inorganic agent (BEST in the purification tank for liquid waste of the high-salt wastewater processing system of the present invention Inorganic agent), the net magic square inorganic agent is made up of following component in parts by weight:Clinoptilolite, 65-75 parts;Kaolinite, 10-15 Part;The clay mineral of high-cation exchange capacity, 5-10 parts;Quartz sand, 1-2 parts;Volcanic ash, 6-8 parts;Medical stone, 2-3 parts. The inorganic agent is in loose structure and surface charge, by adsorbing, condensing, precipitating and the principles such as biological implantation is degraded are gone in water removal Pollutant, there is physics and biological nature.Using the loose structure and charge characteristics of net magic square inorganic agent, added in waste water Net magic square inorganic agent, the electromagnetic action with reference to caused by composite electromagnetic water treatment facilities, efficiently reduces Pollutants in Wastewater concentration, from And simultaneously simplification of flowsheet can be shortened, reach high-salt wastewater efficient process and the effect of salinity recovery.
Third, the ultrafilter purifier of the present invention is made up of several hyperfiltration membrane assemblies, by special process by net magic square Inorganic agent is attached to ultrafiltration ceramic film surface, filter layer before forming one layer, can obviously improve the performance of film, avoids ultrafiltration ceramic Fouling membrane and blocking, significantly extend the service life of ultrafiltration ceramic membrane, improve the effluent quality of super-filtration purifying unit, enhancing separation Performance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of high-salt wastewater processing system;
Fig. 2 is the partial structural diagram of ultrafilter purifier in Fig. 1;
In figure:1- purification tanks for liquid waste, 2- efficient sedimentation tanks, 3- composite electromagnetics water treatment facilities, 4- ultrafilter purifiers, 4.1- center filters pipe, 4.2- ultrafiltration ceramic film, 5- reverse-osmosis filtering devices, 6- low-temperature evaporations device, 7- Treatment of Sludge dress Put, 8- plasma processors, 9- magnetic processors.
Embodiment
Describe the performance of the present invention in detail with reference to case study on implementation, but they do not form the limit to the present invention It is fixed, it is only for example.Simultaneously by illustrating that advantages of the present invention will become clearer and be readily appreciated that.
A kind of high-salt wastewater processing system of the invention as shown in fig. 1, it includes purification tank for liquid waste 1, the height being sequentially connected Imitate sedimentation basin 2, composite electromagnetic water treatment facilities 3, ultrafilter purifier 4, reverse-osmosis filtering device 5 and low-temperature evaporation device 6;Composite electromagnetic water treatment facilities 3 is made up of plasma processor 8, magnetic processor 9, the import of plasma processor 8 with efficiently The outlet of sedimentation basin 2 is connected, and the outlet of plasma processor 8 is connected with the import of magnetic processor 9, the outlet of magnetic processor 9 with The import of ultrafilter purifier 4 is connected.It also includes sludge treatment equipment 7, efficient sedimentation tank 2, the sludge of ultrafilter purifier 4 Outlet is connected with the sludge import of sludge treatment equipment 7 respectively.Net magic square inorganic agent is filled with purification tank for liquid waste 1.Net magic square Inorganic agent is made up of following component in parts by weight:Clinoptilolite, 65-75 parts;Kaolinite, 10-15 parts;High-cation, which exchanges, to be held The clay mineral of amount, 5-10 parts;Quartz sand, 1-2 parts;Volcanic ash, 6-8 parts;Medical stone, 2-3 parts.The inorganic agent is in loose structure And surface charge, by adsorb, condense, precipitate and biological implantation degrade etc. principle go water removal in pollutant, there is physics And biological nature.Using the loose structure and charge characteristics of net magic square inorganic agent, net magic square inorganic agent is added in waste water, with reference to Electromagnetic action caused by composite electromagnetic water treatment facilities, Pollutants in Wastewater concentration is efficiently reduced, so as to shorten and simplify Technological process, reach high-salt wastewater efficient process and the effect of salinity recovery.
As shown in Fig. 2 ultrafilter purifier 4 is made up of several hyperfiltration membrane assemblies, each hyperfiltration membrane assembly includes center Screen pipe 4.1, the outer wall ring of center filter pipe 4.1 is covered with ultrafiltration ceramic film 4.2, and the outer wall of center filter pipe 4.1 is with surpassing Net magic square inorganic agent is filled between the filter inwall of ceramic film 4.2.The outer wall of center filter pipe 4.1 has been arranged circumferentially several mistakes Filter opening.
The method of high-salt wastewater processing system of the present invention:High-salt wastewater initially enters purification tank for liquid waste 1, purification tank for liquid waste 1 The middle net magic square inorganic agent of addition pre-processes to waste water, and the waste water by pretreatment enters efficient sedimentation tank 2 and carries out solid-liquid point From the supernatant of efficient sedimentation tank 2 enters composite electromagnetic water treatment facilities 3, utilizes plasma processor 8 and magnetic processor 9 Materializing strategy is carried out to waste water, effectively reduces Pollutants in Wastewater concentration, improves salinity physical property, improves UF membrane efficiency. Enter ultrafilter purifier 4 from the waste water of composite electromagnetic water treatment facilities discharge, pass through net magic square inorganic agent and ultrafiltration ceramic membrane Filtering and purification obtain only entering reverse-osmosis filtering device 5 after the waste water containing salinity, waste water by reverse osmosis membrane effect The water purification obtained afterwards is directly outer to be arranged, and caused concentration salt solution enters low-temperature evaporation device 6, and the salt obtained after treatment is in two times Recycle.Sludge caused by efficient sedimentation tank 2, ultrafilter purifier 4 is done after entering sludge treatment equipment by processing Change sludge.
It is other unspecified to belong to prior art.

Claims (6)

1. a kind of high-salt wastewater processing system, it is characterised in that it includes purification tank for liquid waste (1), the High-rate sedimentation being sequentially connected Pond (2), composite electromagnetic water treatment facilities (3), ultrafilter purifier (4), reverse-osmosis filtering device (5) and low-temperature evaporation dress Put (6);
The composite electromagnetic water treatment facilities (3) is made up of plasma processor (8), magnetic processor (9), the plasma treatment The import of device (8) is connected with the outlet of efficient sedimentation tank (2), outlet and the magnetic processor (9) of the plasma processor (8) Import is connected, and the outlet of the magnetic processor (9) is connected with the import of ultrafilter purifier (4).
2. high-salt wastewater processing system according to claim 1, it is characterised in that it also includes sludge treatment equipment (7), The efficient sedimentation tank (2), the sludge outlet sludge import phase with sludge treatment equipment (7) respectively of ultrafilter purifier (4) Even.
3. high-salt wastewater processing system according to claim 2, it is characterised in that filled in the purification tank for liquid waste (1) There is net magic square inorganic agent.
4. high-salt wastewater processing system according to claim 3, it is characterised in that the ultrafilter purifier (4) if by Dry hyperfiltration membrane assembly is formed, and each hyperfiltration membrane assembly includes center filter pipe (4.1), the center filter pipe (4.1) Outer wall ring covered with ultrafiltration ceramic film (4.2), center filter pipe (4.1) outer wall and ultrafiltration ceramic film (4.2) Net magic square inorganic agent is filled between inwall.
5. the high-salt wastewater processing system according to Claims 2 or 3, it is characterised in that the net magic square inorganic agent is with weight Amount part meter is made up of following component:Clinoptilolite, 65-75 parts;Kaolinite, 10-15 parts;The clay pit of high-cation exchange capacity Thing, 5-10 parts;Quartz sand, 1-2 parts;Volcanic ash, 6-8 parts;Medical stone, 2-3 parts.
6. a kind of method that high-salt wastewater processing system using described in any one of Claims 1 to 55 is handled, its feature exist In comprising the following steps:
1) high-salt wastewater initially enters purification tank for liquid waste (1), and the net magic square inorganic agent in purification tank for liquid waste (1) carries out pre- to waste water Processing, the waste water by pretreatment enter efficient sedimentation tank (2) and carry out separation of solid and liquid;
2) supernatant after efficient sedimentation tank (2) separation enters composite electromagnetic water treatment facilities (3), at plasma Manage device (8) and magnetic processor (9) and materializing strategy is carried out to waste water;
3) ultrafilter purifier (4) is entered from the waste water of composite electromagnetic water treatment facilities (3) discharge, in ultrafilter purifier (4) In by the filtering and purification of net magic square inorganic agent and ultrafiltration ceramic film, obtain entering counter-infiltration after the only waste water containing salinity Filter (5);
4) water purification that waste water obtains after the effect of reverse osmosis membrane in reverse-osmosis filtering device (5) is directly outer arranges, caused Concentration salt solution enters low-temperature evaporation device (6), and the salinity secondary recovery obtained after treatment utilizes;
5) efficient sedimentation tank (2), sludge caused by ultrafilter purifier (4) enter after sludge treatment equipment (7) by handling To dewatered sludge.
CN201711024712.7A 2017-10-27 2017-10-27 High-salt wastewater treatment system and method thereof Active CN107601744B (en)

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KR20020074806A (en) * 2001-03-22 2002-10-04 이센텍(주) No wasting activated sludge process
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