CN101503235B - Seawater desalination pretreatment diversion system and working method thereof - Google Patents
Seawater desalination pretreatment diversion system and working method thereof Download PDFInfo
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- CN101503235B CN101503235B CN2008101545679A CN200810154567A CN101503235B CN 101503235 B CN101503235 B CN 101503235B CN 2008101545679 A CN2008101545679 A CN 2008101545679A CN 200810154567 A CN200810154567 A CN 200810154567A CN 101503235 B CN101503235 B CN 101503235B
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- seawater
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- water intake
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- 239000013535 sea water Substances 0.000 title claims abstract description 95
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000004062 sedimentation Methods 0.000 claims description 28
- 230000014759 maintenance of location Effects 0.000 claims description 15
- 238000002203 pretreatment Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000003311 flocculating effect Effects 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- 241000270295 Serpentes Species 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000011033 desalting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
一种海水淡化预处理引水系统，包括海洋，其特征在于它还包括海水取水管道、沉降井、加药及搅拌装置、吸污排泥管、海水溢流管及贮水池；其工作方法包括取水、沉降、排泥、疏导、贮存；其优越性在于：1、低能耗：采用U型连通原理，海水通过静压力压入引导管，不需动力消耗；2、引水与预处理一体化：引水后直接加药进行预处理，节省海水淡化工程运行费用。
A seawater desalination pretreatment water diversion system, including the ocean, is characterized in that it also includes seawater intake pipes, settlement wells, dosing and stirring devices, sewage suction and mud discharge pipes, seawater overflow pipes and water storage tanks; its working method includes water intake , settlement, mud discharge, dredging, and storage; its advantages are: 1. Low energy consumption: U-shaped connection principle is adopted, and seawater is pressed into the guide pipe through static pressure without power consumption; 2. Integration of water diversion and pretreatment: water diversion Afterwards, dosing directly for pretreatment can save the operation cost of seawater desalination project.
Description
(1) technical field:
The present invention relates to the sea water desaltination field, especially a kind ofly be applicable to seawater desalination pretreatment diversion system and method for work thereof extensive sea water desaltination, less energy-consumption, communicate-type, integral type.
(2) background technology:
Sea water desaltination claims sea water desalinization again, is the technology and the process of separating salt and water in the seawater.The water-supply method of sea water desaltination is the important factor that influences construction investment.Making an investment in of water intake engineering occupies larger proportion in the construction investment, desalination method that obtained seawater quality situation will determine engineering to a great extent and be adopted and concrete operational path.
The mode of general sea water desaltination engineering water intaking has: seabeach water intaking, bank water intaking, pipeline are fetched water, morning and evening tides is fetched water and use existing water intaking measure etc.Should adopt the seabeach water-supply method at the reasonable seashore of sandy beach deep water conditions, because the filteration at sandy beach, the suspended substance that takes out seawater is lower, be easy to carry out pre-treatment, for the seabeach is the area of rock or mud, because seepage velocity is slower, is not suitable for adopting the seabeach water-supply method; For steep bigger area, slope, seabeach, can adopt the bank water-supply method, the construction investment of this kind water-supply method is lower, helps to reduce the cost of whole sea water desaltination engineering; For large-scale sea water desaltination engineering, can use the mode of pipeline water intaking, build pipeline, the deep sea water of off-lying sea is directed to the bank, be sea water desaltination engineering supply seawater by the pump house of building the bank in again, the seawater quality at deep-sea is better than the water quality of coastal seawater, is easier to carry out pre-treatment; For the seashore that has the beach band, the slope of seashore is less suddenly, for reducing construction costs, can adopt the mode of beach water intaking, utilize the morning and evening tides of ocean, between high-tide period, seawater is taken out, be stored in the water reservoir, use, because the effect of morning and evening tides for desalting engineering, the seawater quality that this kind mode obtains is relatively poor, has increased the weight of follow-up pre-treatment burden; In some cases, for Coastal Power Plant, chemical plant, may have the seawater water intake facilities, can use existing water intake facilities, existing seawater water intake facilities is transformed, just can be satisfied the seawater needs of sea water desaltination engineering, this kind water-supply method can effectively be saved construction investment.
In addition, for using seawater direct current refrigerative factory, heated temperature seawater can use for the sea water desaltination engineering behind water cooler.Especially for the reverse osmosis seawater desalting engineering, the rising of seawater temperature can effectively improve output, the reduction power consumption of desalination water.But the character of warm water discharge has obvious difference with former seawater, particularly exists under the situation of heavy metal and organic contamination, may cause the injury that can not repair to reverse osmosis membrane, needs to take into full account in engineering design and operational process.
(3) summary of the invention:
The object of the present invention is to provide a kind of seawater desalination pretreatment diversion system and method for work thereof, it adopts the U type to be communicated with principle, and the pre-treatment before seawater is desalinated has reduced energy consumption, saves sea water desaltination engineering operation expense.
Technical scheme of the present invention: a kind of seawater desalination pretreatment diversion system, comprise the ocean, it is characterized in that it also comprises seawater water intake conduit, sedimentation well, dosing and whipping appts, soil pick-up shore pipe, seawater upflow tube and retention basin, said ocean constitutes U type communicating vessels according to seawater water intake conduit and sedimentation well, the sea level of the low Yu Haiyang in sedimentation WIH position; Said sedimentation well is connected with retention basin according to the seawater upflow tube; Said dosing and whipping appts and soil pick-up shore pipe place the sedimentation well; Between said ocean and the seawater water intake conduit filtration unit is arranged.
Filtration unit between above-mentioned said ocean and the seawater water intake conduit adopts filtering net or filter grid.
Above-mentioned said seawater water intake conduit is linear pattern pipeline or snake pipe.
Above-mentioned said seawater water intake conduit is skewed.
In the above-mentioned said retention basin soil pick-up shore pipe is arranged.
The method of work of the seawater desalination pretreatment diversion system of above-mentioned a kind of less energy-consumption is characterized in that it may further comprise the steps:
(1) water intaking: when sedimentation WIH position was lower than sea level, because U type connection effect, the seawater in the ocean 1 was introduced in the sedimentation well by the seawater water intake conduit;
(2) sedimentation: after the water intaking step is finished, in seawater, add pre-treatment medicaments, and stir its generation flocculating settling effect that makes by dosing and whipping appts;
(3) spoil disposal: behind precipitation step, remove silt and the throw out that natural subsidence and pre-treatment produce in water intaking and precipitation step with the soil pick-up shore pipe;
(4) dredge: the seawater after the sedimentation is delivered to retention basin by the seawater upflow tube;
(5) store: be stored in the retention basin through pretreated seawater.
The pre-treatment medicaments that adds in the above-mentioned said step (2) is a flocculation agent.
Superiority of the present invention is: 1, less energy-consumption: adopt the U type to be communicated with principle, seawater is pressed into guiding tube by static pressure, does not need power consumption; 2, diversion and pre-treatment are integrated: pre-treatment is carried out in direct dosing after the diversion, saves sea water desaltination engineering operation expense.
(4) description of drawings:
Accompanying drawing is the structural representation of the related a kind of seawater desalination pretreatment diversion system of the present invention.
Wherein, 1 is the ocean, and 2 is filtration unit, and 3 is the seawater water intake conduit, and 4 are the sedimentation well, and 5 are dosing and whipping appts, and 6 is the soil pick-up shore pipe, and 7 is the seawater upflow tube, and 8 is retention basin.
(5) embodiment:
Embodiment: a kind of seawater desalination pretreatment diversion system (seeing accompanying drawing), comprise ocean 1, it is characterized in that it also comprises seawater water intake conduit 3, sedimentation well 4, dosing and whipping appts 5, soil pick-up shore pipe 6, seawater upflow tube 7 and retention basin 8, said ocean 1 constitutes U type communicating vessels according to seawater water intake conduit 3 and sedimentation well 4, the sea level of the low Yu Haiyang 1 of sedimentation well 4 median water level; Said sedimentation well 4 is connected with retention basin 8 according to seawater upflow tube 7; Said dosing and whipping appts 5 and soil pick-up shore pipe 6 place sedimentation well 4; Between said ocean 1 and the seawater water intake conduit 3 filtration unit 2 is arranged.
Above-mentioned said seawater water intake conduit 3 is the linear pattern pipeline.
The method of work of the seawater desalination pretreatment diversion system of above-mentioned a kind of less energy-consumption (seeing accompanying drawing) is characterized in that it may further comprise the steps:
(1) water intaking: when sedimentation well 4 median water level were lower than sea level, because U type connection effect, the seawater in the ocean 1 was introduced in the sedimentation well by seawater water intake conduit 3;
(2) sedimentation: after the water intaking step is finished, in seawater, add pre-treatment medicaments, and stir its generation flocculating settling effect that makes by dosing and whipping appts 5;
(3) spoil disposal: behind precipitation step, remove silt and the throw out that natural subsidence and pre-treatment produce in water intaking and precipitation step with soil pick-up shore pipe 6;
(4) dredge: the seawater after the sedimentation is delivered to retention basin 8 by seawater upflow tube 7;
(5) store: be stored in the retention basin 8 through pretreated seawater.
The pre-treatment medicaments that adds in the above-mentioned said step (2) is a flocculation agent.
Claims (6)
1. seawater desalination pretreatment diversion system, comprise the ocean, it is characterized in that it also comprises seawater water intake conduit, sedimentation well, dosing and whipping appts, soil pick-up shore pipe, seawater upflow tube and retention basin, said ocean constitutes U type communicating vessels according to seawater water intake conduit and sedimentation well, the sea level of the low Yu Haiyang in sedimentation WIH position; Said sedimentation well is connected with retention basin according to the seawater upflow tube; Said dosing and whipping appts and soil pick-up shore pipe place the sedimentation well; Between said ocean and the seawater water intake conduit filtration unit is arranged.
2. according to the said a kind of seawater desalination pretreatment diversion system of claim 1, it is characterized in that the filtration unit between said ocean and the seawater water intake conduit adopts filtering net or filter grid.
3. according to claim 1 or 2 said a kind of seawater desalination pretreatment diversion systems, it is characterized in that said seawater water intake conduit is linear pattern pipeline or snake pipe.
4. according to claim 1 or 2 said a kind of seawater desalination pretreatment diversion systems, it is characterized in that above-mentioned said seawater water intake conduit is skewed.
5. according to the said a kind of seawater desalination pretreatment diversion system of claim 1, it is characterized in that the soil pick-up shore pipe is arranged in the said retention basin.
6. the method for work of a seawater desalination pretreatment diversion system is characterized in that it may further comprise the steps:
(1) water intaking: when sedimentation WIH position was lower than sea level, because U type connection effect, the seawater in the ocean was introduced in the sedimentation well by the seawater water intake conduit;
(2) sedimentation: after the water intaking step is finished, in seawater, add pre-treatment medicaments, and stir its generation flocculating settling effect that makes by dosing and whipping appts; The said pre-treatment medicaments that adds is a flocculation agent;
(3) spoil disposal: behind precipitation step, remove silt and the throw out that natural subsidence and pre-treatment produce in water intaking and precipitation step with the soil pick-up shore pipe;
(4) dredge: the seawater after the sedimentation is delivered to retention basin by the seawater upflow tube;
(5) store: be stored in the retention basin through pretreated seawater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101545679A CN101503235B (en) | 2008-12-25 | 2008-12-25 | Seawater desalination pretreatment diversion system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101545679A CN101503235B (en) | 2008-12-25 | 2008-12-25 | Seawater desalination pretreatment diversion system and working method thereof |
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| Publication Number | Publication Date |
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| CN101503235A CN101503235A (en) | 2009-08-12 |
| CN101503235B true CN101503235B (en) | 2011-03-02 |
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| CN2008101545679A Expired - Fee Related CN101503235B (en) | 2008-12-25 | 2008-12-25 | Seawater desalination pretreatment diversion system and working method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500235A (en) * | 2011-11-08 | 2012-06-20 | 李小岛 | Seawater filter |
| CN103837391B (en) * | 2014-03-26 | 2016-03-16 | 马志明 | Water quality monitoring water sample preprocessing apparatus |
| CN107601596A (en) * | 2017-10-20 | 2018-01-19 | 中国神华能源股份有限公司 | Desalinization pretreating device |
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