CN205035206U - A multistage reverse osmosis treatment system for brackish water desalination - Google Patents
A multistage reverse osmosis treatment system for brackish water desalination Download PDFInfo
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- CN205035206U CN205035206U CN201520779302.3U CN201520779302U CN205035206U CN 205035206 U CN205035206 U CN 205035206U CN 201520779302 U CN201520779302 U CN 201520779302U CN 205035206 U CN205035206 U CN 205035206U
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- water
- reverse osmosis
- desalination
- treatment system
- brackish water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a multistage reverse osmosis treatment system for brackish water desalination is divided by former pretreatment of water, reverse osmosis desalination, aftertreatment and disinfection system and the dense water retrieval and utilization four bibliographic categories and forms, by solenoid valve control piper intercommunication, can carry out different processing system's device connection according to the quality of water circumstances. Be provided with the heat exchanger in advance among the processing unit, the system that can guarantee still had stable water supply flux when the temperature was lower winter, reverse osmosis desalination system includes the anti - ware that oozes of second grade, can be according to anti - cluster, the parallel connection who oozes the ware of salt tolerance adjustment who plants the plant when desalted water is used for the afforestation, the dense water of reverse osmosis connection salt water fishes and shrimps are bred and are used or the dense water reutilization of water supply equipment realization for the bathing. The brackish water desalination that brackish water desalination processing system was required by one set of different quality of water of counter -infiltration processing system completion of solenoid valve control realization, the device running cost is low, easy operation, desalted water is effectual, and just dense water obtains the effective recycling utilization.
Description
Technical field
The utility model relates to technique of desalinating saline water field, is specifically related to a kind of multi-stage reverse osmosis treatment system for brackish water desalination.
Background technology
Brackish water is the poor-quality water resource that a class cannot directly utilize because salinity is high or utility value is little, and its distribution is wide, and hazardness is large, thus brackish water and desalination techniques thereof one of focus becoming current research.In fact the desalination of brackish water is exactly make brine desalination desalinate or reach tap water or irrigation water standard after treatment.Energy-efficient as one, the eco-friendly membrane separation technique of reverse osmosis technology, has been widely used in the purification of surface and ground water, purifying, seawater and the desalination of brackish water and the regeneration process of Sewage Plant secondary effluent in water treatment field.
But at present, because the raw water quality index of required process is different, corresponding pretreatment unit is also not quite similar, and needs to install different pre-processing devices according to water quality situation, and pipeline connects complicated, makes to install and more loaded down with trivial details, inefficiency in management simultaneously.In addition, when temperature is lower in the winter time, too low inflow temperature makes reverse osmosis membrane intake and effluent flux reduces, thus reduces water efficiency processed.Reverse osmosis membrane technology has also carried out high enrichment to impurity while preparing fresh, therefore need to properly handle reverse osmosis concentrated water, take the reinforcement of scientific and effective techniques and methods to the process of dense water and comprehensive utilization, avoid the disadvantageous effect to soil, surface water or ocean environment etc., thus realize the innoxious of dense water and resource utilization.
Utility model content
Processing unit needed for the different quality that the utility model exists for existing brackish water desalination reverse osmosis treatment device is different, install and complex management, inefficiency, during cold operation, water outlet discharge reduction causes water efficiency processed to reduce, and dense water directly discharges the defect causing water pollution, a kind of multi-stage reverse osmosis treatment system for brackish water desalination is provided, thus solves the problem in above-mentioned background technology.
The utility model solves the technical scheme that its technical problem adopts:
For the multi-stage reverse osmosis treatment system of brackish water desalination, it is characterized in that: comprise be communicated with successively former pond, raw water pump, lime soften for sewage system, coagulative precipitation tank, the first regulating tank, working shaft, more medium filter, manganese sand filter, active carbon adsorber, interchanger, the first accurate filter, ultra-filtration equipment, the second regulating tank, the first high-pressure pump, the second accurate filter, the second high-pressure pump, Reverse Osmosis Desalination Process Equipment, disinfector and header tank; Described lime soften for sewage system, coagulative precipitation tank, more medium filter, manganese sand filter, active carbon adsorber, interchanger, the first accurate filter and ultra-filtration equipment are provided with the first magnetic valve be connected in series and the second magnetic valve be connected in parallel; Described Reverse Osmosis Desalination Process Equipment comprises two-stage reverse osmosis device; Described header tank comprises fresh water header tank and dense water header tank, and described dense water header tank exit is communicated with saltwater fish shrimp aquaculture water equipment or bathing water equipment.
Described lime soften for sewage system entry place is provided with silicon dispersion agent chemicals dosing plant; Described coagulative precipitation tank ingress is provided with coagulant drug-adding device; Described first accurate filter ingress is provided with reductive agent chemicals dosing plant, and described second accurate filter ingress is provided with Scale inhibitors chemicals dosing plant and acid adding setting device.
Improve as one, described silicon dispersion agent chemicals dosing plant, coagulant drug-adding device, reductive agent chemicals dosing plant, Scale inhibitors chemicals dosing plant and acid adding setting device are communicated with automatic control device respectively.
Preferably, described interchanger is electrical heating type interchanger.
Improve as one, described two-stage reverse osmosis device is for parallel connection or be connected in series.
Preferably, during for planting salt-tolerant plant, increase the water outlet water yield by solenoid control two-stage reverse osmosis device for being connected in parallel, for plant not salt-tolerant plant time, improve effluent quality by solenoid control two-stage reverse osmosis device for being connected in series.
Preferably, described disinfection sterilization device is ultraviolet sterilizer or ozone sterilizer.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
1, the device of solenoid control brackish water desalination treatment system is utilized to be communicated with, the pipeline connection of different processing units can be carried out according to brackish water water quality analysis index, when determine through water quality analysis need not certain processing unit time, the magnetic valve that only series connection with it need be arranged disconnects, by the solenoid closure be arranged in parallel with it, current flow directly into next processing unit by solenoid control; If when the brackish water desalination of required process requires to use this processing unit, then disconnected by the magnetic valve be arranged in parallel with it, by the solenoid closure that series connection with it is arranged, brackish water flows through this processing unit and carries out corresponding purifying treatment.This pipeline connection is arranged can realize the brackish water desalination that a set of reverse osmosis treatment system completes different quality requirement, simple to operate, and be easy to management, and plant running cost is low, desalination water is effective.
2, the utility model arranges interchanger between working shaft and more medium filter, and when can ensure that brackish water desalination reverse osmosis treatment system runs in the winter time, the water outlet water yield is stablized, thus the water efficiency processed of this system is maintained in higher level.Interchanger type of heating adopts electrically heated, heat-processed environmental protection, and comparatively steam heat-exchanging is easy to control.
3, the utility model carries out reuse to the dense water obtained after brackish water desalination, utilize its saltiness high and through the feature of sterilization, the cultivation that a part can be applied to some salt water fishes and shrimps brings additional economic benefit, another part can be delivered to the rural area of bathing condition difference, meet life in the countryside condition and improve the requirement more and more higher to bathing condition, thus alleviate the dense water of existing desalination by reverse osmosis and directly discharge the water pollution brought.
4, the desalination water after the utility model reverse-osmosis treated is applied to afforestation, the parallel operation of two-stage reverse osmosis device can be adopted to increase service discharge during plantation salt-tolerant plant, plant not salt-tolerant plant time two-stage reverse osmosis device serial operation can be adopted to improve effluent quality, thus meet the irrigation demand of different plant, reduce afforestation brackish water desalination system operation cost.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation;
In figure: 1. former pond, P1. raw water pump, 2. lime soften for sewage system, F2. silicon dispersion agent chemicals dosing plant, 3. coagulative precipitation tank, F3. coagulant drug-adding device, 4. the first regulating tank, P2. working shaft, 5. more medium filter, 6. manganese sand filter, 7. active carbon adsorber, 8. interchanger, 9. the first accurate filter, F9. reductive agent chemicals dosing plant, 10. ultra-filtration equipment, 11. second regulating tanks, P3. the first high-pressure pump, 12. second accurate filters, F12. Scale inhibitors chemicals dosing plant and acid adding setting device, P4. the second high-pressure pump, 13. Reverse Osmosis Desalination Process Equipment, 13-1. first reverse osmosis device, 13-2. second reverse osmosis device, 14. disinfectors, 14-1. fresh water disinfection sterilization device, the dense water sterilization Sterilizers of 14-2., 15. header tanks, 15-1. fresh water header tank, the dense water header tank of 15-2., 16-1. saltwater fish shrimp aquaculture water equipment, 16-2. bathing water equipment, V-1. the first magnetic valve, V-2. the second magnetic valve, V13-1. the first reverse osmosis magnetic valve, V13-2. the second reverse osmosis magnetic valve, V13-3. the 3rd reverse osmosis magnetic valve, V13-4. the 4th reverse osmosis magnetic valve, V13-5. the 5th reverse osmosis magnetic valve, C. automatic control device.
Embodiment
The technique means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Multi-stage reverse osmosis treatment system for brackish water desalination of the present utility model, as shown in Figure 1, comprises the former pond 1 be communicated with successively, raw water pump P1, lime soften for sewage system 2, coagulative precipitation tank 3, the first regulating tank 4, working shaft P2, more medium filter 5, manganese sand filter 6, active carbon adsorber 7, interchanger 8, first accurate filter 9, ultra-filtration equipment 10, the second regulating tank 11, first high-pressure pump P3, second accurate filter 12, second high-pressure pump P4, Reverse Osmosis Desalination Process Equipment 13, disinfector 14, header tank 15, lime soften for sewage system 2, coagulative precipitation tank 3, more medium filter 5, manganese sand filter 6, active carbon adsorber 7, interchanger 8, first accurate filter 9, ultra-filtration equipment 10 are provided with the first magnetic valve V-1 be connected in series and the second magnetic valve V-2 be connected in parallel, lime soften for sewage system 2 ingress is provided with silicon dispersion agent chemicals dosing plant F2, coagulative precipitation tank 3 ingress is provided with coagulant drug-adding device F3, first accurate filter 9 ingress is provided with reductive agent chemicals dosing plant F9, second accurate filter 12 ingress is provided with Scale inhibitors chemicals dosing plant and acid adding setting device F12, Reverse Osmosis Desalination Process Equipment 13 comprises the first reverse osmosis device 13-1 and the second reverse osmosis device 13-2, disinfector 14 comprises fresh water disinfection sterilization device 14-1 and dense water sterilization Sterilizers 14-2, header tank 15 comprises fresh water header tank 15-1 and dense water header tank 15-2, dense water header tank 15-2 exit connects saltwater fish shrimp aquaculture water equipment 16-1 or bathing water equipment 16-2, described Reverse Osmosis Desalination Process Equipment 13 place is provided with the first reverse osmosis magnetic valve V13-1, the second reverse osmosis magnetic valve V13-2, the 3rd reverse osmosis magnetic valve V13-3, the 4th reverse osmosis magnetic valve V13-4 and the 5th reverse osmosis magnetic valve V13-5.
Multi-stage reverse osmosis treatment system for brackish water desalination provided by the utility model is made up for the treatment of nature water, reverse osmosis desalination, aftertreatment and sterilisation system and dense water second stage employ four part.Each processing element is connected in brackish water desalination process pipeline by magnetic valve.When former water need not the process of lime soften for sewage system time, then the first magnetic valve V-1 be arranged in series with lime soften for sewage system 2 disconnects, the second magnetic valve V-2 be arranged in parallel with lime soften for sewage system 2 close; If when the brackish water desalination of required process requires to use petrochemical industry melded system 2 to process, then the second magnetic valve V-2 be arranged in parallel disconnects, and the first magnetic valve V-1 be arranged in series closes, and brackish water flows through and carries out respective handling by lime soften for sewage system 2.All the other processing unit pipeline catenation principles are identical.
Water in former pond 1 operationally, is pumped into system through raw water pump P1 by the utility model.
Former water, under the effect of silicon dispersion agent, carries out pre and removes the metal oxide such as iron, magnesium contained in former water in lime soften for sewage system 2.
By coagulation, clarification pre-treatment in coagulative precipitation tank 3, remove the suspended solids in former water, particulate, colloid and metal oxide, reduce the turbidity of former water.
First regulating tank 4 is for storing a certain amount of former water to provide stable water supply, stabilizing water quality.
Pumped in more medium filter 5 by working shaft P2 through the pretreated former water of one-level, remove the silt in former water and part colloidalmaterial.
Manganese sand filter 6 is removed further to the Fe and Mn in former water and metal oxide.
Acticarbon 7 carries out filtration to the natural organic matter in former water and retains process, pollutes the impact of rear change of water quality, improve water quality to prevent former water to be subject to.
Preliminary pretreated salt water and reductive agent enter the first accurate filter 9, and reductive agent can prevent ultra-filtration membrane oxidized, increases the service life.Filter through the first accurate filter 9 and can remove macrobead thing remaining in water, to reduce turbidity and contamination index, protection ultra-filtration equipment 10.
Enter the second regulating tank 11 by the water after uf processing and pump into the second accurate filter 12 by the first high-pressure pump P3, under the Scale inhibitors added and acid act on, regulate the pH of water to prevent the generation of calcium carbonate and magnesiumcarbonate from causing Reverse Osmosis Desalination Process Equipment 13 film surface scale simultaneously.
Pretreated water enters Reverse Osmosis Desalination Process Equipment 13 through the second high-pressure pump P4 and carries out desalination and concentration, and the desalination water obtained and dense water enter corresponding disinfection sterilization device 14 respectively, realizes sterilization when water temperature is higher easily makes bacteria breed, sterilization.
Desalination water after pre-treatment, desalination, aftertreatment and sterilization is applied to Chinese garden planting through fresh water header tank 15-1, and the dense water after reverse osmosis after sterilization is delivered to saltwater fish shrimp aquaculture water equipment 16-1 through dense water header tank 15-2 and bathing water equipment 16-2 carries out second stage employ.
In the present embodiment, when winter, water temperature was lower, the second magnetic valve V-2 be arranged in parallel with interchanger 8 disconnects, and the former water of the first magnetic valve V-1 closed pair be arranged in series with interchanger 8 carries out thermal pretreatment, can ensure that winter, effluent flux was stablized, maintain water efficiency processed.Interchanger adopt Electric heating, environmental protection and in water process processed comparatively steam heat-exchanging be easy to control.
In the present embodiment, during plantation salt-tolerant plant, reverse osmosis magnetic valve V13-3, V13-2, V13-5 that Reverse Osmosis Desalination Process Equipment 13 place is arranged are closed, and V13-1, V13-4 disconnect, and realize the in parallel to increase service discharge of the first reverse osmosis device 13-1 and the 2nd 13-2; Plant not salt-tolerant plant time, reverse osmosis magnetic valve V13-3, V13-4 are closed, and V13-1, V13-2, V13-5 disconnect, and two-stage reverse osmosis device is connected to improve effluent quality; If when the plant planted requires all not high to water quality, the water yield, V13-3, V13-2 can be closed, V13-1, V13-4, V13-5 disconnect, or V13-5 closes, and V13-1, V13-2, V13-4, V13-4 disconnect and realize single-stage reverse-osmosis treated; If do not need reverse-osmosis treated, V13-1, V13-2 can be closed, V13-3, V13-4, V13-5 disconnect.Arranged by this electromagnetic valve pipeline and can realize the irrigation demand being met different plant by solenoid control.
In the present embodiment, lime soften for sewage system 2, coagulative precipitation tank 3, the first accurate filter 9, second accurate filter 12 place is provided with automatic control device C, to need according to water treatment to carry out add-on and flow control to corresponding chemicals dosing plant.
The utility model is not limited to above-mentioned embodiment, and all are based on technical conceive of the present utility model, and done structural improvement, all falls among protection domain of the present utility model.
Claims (5)
1., for the multi-stage reverse osmosis treatment system of brackish water desalination, it is characterized in that: comprise be communicated with successively former pond, raw water pump, lime soften for sewage system, coagulative precipitation tank, the first regulating tank, working shaft, more medium filter, manganese sand filter, active carbon adsorber, interchanger, the first accurate filter, ultra-filtration equipment, the second regulating tank, the first high-pressure pump, the second accurate filter, the second high-pressure pump, Reverse Osmosis Desalination Process Equipment, disinfector and header tank; Described lime soften for sewage system, coagulative precipitation tank, more medium filter, manganese sand filter, active carbon adsorber, interchanger, the first accurate filter, ultra-filtration equipment are provided with the first magnetic valve be connected in series and the second magnetic valve be connected in parallel; Described Reverse Osmosis Desalination Process Equipment comprises two-stage reverse osmosis device; Described header tank comprises fresh water header tank and dense water header tank, and described dense water header tank exit is communicated with saltwater fish shrimp aquaculture water equipment or bathing water equipment.
2. the multi-stage reverse osmosis treatment system for brackish water desalination according to claim 1, is characterized in that: described lime soften for sewage system entry place is provided with silicon dispersion agent chemicals dosing plant; Described coagulative precipitation tank ingress is provided with coagulant drug-adding device; Described first accurate filter ingress is provided with reductive agent chemicals dosing plant, and described second accurate filter ingress is provided with Scale inhibitors chemicals dosing plant and acid adding setting device.
3. the multi-stage reverse osmosis treatment system for brackish water desalination according to claim 2, is characterized in that: described silicon dispersion agent chemicals dosing plant, coagulant drug-adding device, reductive agent chemicals dosing plant, Scale inhibitors chemicals dosing plant and acid adding setting device are communicated with automatic control device respectively.
4. the multi-stage reverse osmosis treatment system for brackish water desalination according to claim 1, is characterized in that: described interchanger is electrical heating type interchanger.
5., according to the arbitrary described multi-stage reverse osmosis treatment system for brackish water desalination of claim 1-4, it is characterized in that: described two-stage reverse osmosis device is set to parallel connection by magnetic valve or is connected in series.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520779302.3U CN205035206U (en) | 2015-10-09 | 2015-10-09 | A multistage reverse osmosis treatment system for brackish water desalination |
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| CN201520779302.3U CN205035206U (en) | 2015-10-09 | 2015-10-09 | A multistage reverse osmosis treatment system for brackish water desalination |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884079A (en) * | 2016-05-18 | 2016-08-24 | 南京海益环保工程有限公司 | Brackish water reverse osmosis treatment technique |
| CN106006897A (en) * | 2016-07-15 | 2016-10-12 | 山东胜伟园林科技有限公司 | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula |
| CN107487913A (en) * | 2017-08-24 | 2017-12-19 | 江苏亚峰科技集团有限公司 | A kind of counter-infiltration system |
| CN107662983A (en) * | 2016-07-28 | 2018-02-06 | 亿利资源集团有限公司 | A kind of processing method and system of salt-soda soil bitter |
| CN110304778A (en) * | 2019-07-17 | 2019-10-08 | 青岛沃赛海水淡化科技有限公司 | A kind of bitter treatment process |
| CN114835294A (en) * | 2022-05-07 | 2022-08-02 | 中国农业科学院农田灌溉研究所 | Medium-high temperature solar brackish water desalination treatment device |
-
2015
- 2015-10-09 CN CN201520779302.3U patent/CN205035206U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884079A (en) * | 2016-05-18 | 2016-08-24 | 南京海益环保工程有限公司 | Brackish water reverse osmosis treatment technique |
| CN106006897A (en) * | 2016-07-15 | 2016-10-12 | 山东胜伟园林科技有限公司 | Formula for improving quality of brackish water based on desulfurization gypsum and application of formula |
| CN107662983A (en) * | 2016-07-28 | 2018-02-06 | 亿利资源集团有限公司 | A kind of processing method and system of salt-soda soil bitter |
| CN107662983B (en) * | 2016-07-28 | 2023-11-28 | 亿利资源集团有限公司 | Treatment method and system for brackish water of saline-alkali soil |
| CN107487913A (en) * | 2017-08-24 | 2017-12-19 | 江苏亚峰科技集团有限公司 | A kind of counter-infiltration system |
| CN110304778A (en) * | 2019-07-17 | 2019-10-08 | 青岛沃赛海水淡化科技有限公司 | A kind of bitter treatment process |
| CN114835294A (en) * | 2022-05-07 | 2022-08-02 | 中国农业科学院农田灌溉研究所 | Medium-high temperature solar brackish water desalination treatment device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20211009 |