CN207760094U - Improve the counter-infiltration system of seawater desalination recovery rate - Google Patents
Improve the counter-infiltration system of seawater desalination recovery rate Download PDFInfo
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- CN207760094U CN207760094U CN201721849185.9U CN201721849185U CN207760094U CN 207760094 U CN207760094 U CN 207760094U CN 201721849185 U CN201721849185 U CN 201721849185U CN 207760094 U CN207760094 U CN 207760094U
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- reverse osmosis
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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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Abstract
Improve the counter-infiltration system of seawater desalination recovery rate.Traditional sea-water reverse osmose method generally requires to ensure that certain production water water, this way cause pretreatment water big, need high flow capacity into high-pressure water pump by increasing flow of inlet water, and system energy consumption is big, and operating cost is high.The utility model forms：Level-one desalination system（11）With two level desalination system（12）, the level-one desalination system includes first-stage reverse osmosis film front end（1）With first-stage reverse osmosis film rear end（2）, the concentrated water outlet of the first-stage reverse osmosis film front end is connect with the first-stage reverse osmosis film rear end sea intake by pressure duct.The utility model is used to improve the counter-infiltration system of seawater desalination recovery rate.
Description
Technical field：
The utility model is related to a kind of counter-infiltration systems improving seawater desalination recovery rate, belong to field of seawater desalination.
Background technology：
Traditional sea-water reverse osmose method is only to pass through the level-one sea of one group of membrane stack composition in seawater after pretreatment system
Water is reverse osmosis, and by a part of sea water desalination at fresh water, it is reverse osmosis that fresh water fully enters two level fresh water, and by concentrated water discharge, and shadow
That rings the seawater reverse osmosis permeable system rate of recovery pumps feed pressure, and water inlet because being known as temperature, water inlet seawater quality, reverse osmosis high-pressure
Flow and reverse osmosis membrane performance, traditional sea-water reverse osmose method do not efficiently use reverse osmosis membrane stack in production aquaporin flow direction,
Difference segmentation producing water water quality generally requires to ensure certain production by increasing flow of inlet water in the case where other conditions are constant
Water water, this way cause pretreatment water big, need high flow capacity into high-pressure water pump, and system energy consumption is big, and operating cost is high.With
Being continuously increased for seawater desalination system water yield demand, large capacity, the reverse osmosis membrane seawater desalination system of high parameter are inevitable
There is certain market, seawater desalination reverse osmosis system is just constantly towards reduction cost of investment, reduction energy consumption, reduction operating cost, height
Effect is developed using directions such as seawater resources.
Utility model content：
The purpose of this utility model be solve traditional seawater desalination reverse osmosis film rate of recovery is low, ton water consumption is big, operation at
This high problem provides one kind in identical water yield, reduces flow of inlet water, improves entire seawater reverse osmosis permeable system and return
Yield reduces pretreatment scale, reduces the ton water consumption and operating cost of system, improves the raising sea water desalination of economy
The counter-infiltration system of the rate of recovery.
Above-mentioned purpose is realized by following technical scheme：
A kind of counter-infiltration system improving seawater desalination recovery rate, composition include：Level-one desalination system and two level desalination
System, the level-one desalination system include first-stage reverse osmosis film front end and first-stage reverse osmosis film rear end, the level-one reverse osmosis
The concentrated water outlet of permeable membrane front end is connect with the first-stage reverse osmosis film rear end sea intake by pressure duct；
The two level desalination system includes two-pass reverse osmosis film A and two-pass reverse osmosis film B, the two-pass reverse osmosis film
The sea intake of A is connect with the water outlet of the first-stage reverse osmosis film front end by two level high-pressure pump A, and the two level is anti-
The sea intake of permeable membrane B is exported respectively with the concentrated water of the two-pass reverse osmosis film A and the first-stage reverse osmosis film rear end
Water outlet pass through the B connections of two level high-pressure pump.
The counter-infiltration system of the raising seawater desalination recovery rate, the water outlet of the two-pass reverse osmosis film A and
The outlet of the two-pass reverse osmosis film B passes through piping connection with total water outlet respectively.
The counter-infiltration system of the raising seawater desalination recovery rate, the concentrated water outlet of the first-stage reverse osmosis film rear end
Pass through piping connection with the concentrated water entrance of energy recycle device.
The counter-infiltration system of the raising seawater desalination recovery rate, the sea intake of the first-stage reverse osmosis film front end
By piping connection, the sea intake of level-one high-pressure pump and the seawater of feed pump go out seawer outlet with level-one high-pressure pump
Mouth passes through piping connection.
The counter-infiltration system of the raising seawater desalination recovery rate, the low pressure seawater inlet of the energy recycle device
With the seawer outlet of the feed pump by piping connection, the high pressure sea water outlet of the energy recycle device with it is described
The seawer outlet of level-one high-pressure pump passes through piping connection.
The counter-infiltration system of the raising seawater desalination recovery rate, the concentrated water outlet of the first-stage reverse osmosis film front end
The pressure duct being connected with the first-stage reverse osmosis film rear end sea intake is dual phase steel SS2507.
Advantageous effect：
1. the utility model setting and reverse osmosis membrane front end and first-stage reverse osmosis film rear end, utilize level-one sea-water reverse osmose
Membrane stack, using the different feature of different location producing water water quality, utilizes production water ladder, by leading portion water quality in production aquaporin flow direction
Preferably production water is drawn, and is introduced into two-pass reverse osmosis film A, then two-pass reverse osmosis film A concentrated waters and first-stage reverse osmosis film rear end are produced
After water mixing, into two-pass reverse osmosis film B, two-pass reverse osmosis film A is that production water is mixed with the production water of two-pass reverse osmosis film B, as
The total yield water of whole system.
The utility model can generate more two-pass reverse osmosis film A and two level reverse osmosis in the seawater of identical flow of inlet water
The production water of permeable membrane B improves the rate of recovery of two steps ro film seawater desalination system, reduces investment and operating cost, improves warp
Ji benefit.
The utility model increases the technological design that first-stage reverse osmosis film front end production water enters two-pass reverse osmosis film A, makes level-one
Reverse osmosis membrane front end is utilized by producing water water quality shunting ladder, is reduced the flow of inlet water into two-pass reverse osmosis film B, is achieved
Segmentation reduces level-one high-pressure pump flow of inlet water using the producing water water quality of first-stage reverse osmosis film front end.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of the utility model；
In figure：1, first-stage reverse osmosis film front end；2, first-stage reverse osmosis film rear end；3, two-pass reverse osmosis film A；4, two level reverse osmosis
Permeable membrane B；5, level-one high-pressure pump；6, booster pump；7, energy recycle device；8, two level high-pressure pump A；9, feed pump；10, two level high pressure
Pump B；11, level-one desalination system；12, two level desalination system；13, total water outlet.
Specific implementation mode：
Embodiment 1：
A kind of counter-infiltration system improving seawater desalination recovery rate, composition include：Level-one desalination system 11 and two level are light
Change system 12, the level-one desalination system include first-stage reverse osmosis film front end 1 and first-stage reverse osmosis film rear end 2, and described one
The concentrated water outlet of grade reverse osmosis membrane front end is connect with the first-stage reverse osmosis film rear end sea intake by pressure duct；
The two level desalination system includes two-pass reverse osmosis film A, piece number：3 and two-pass reverse osmosis film B, piece number：4, it is described
The sea intake of two-pass reverse osmosis film A pass through two level high-pressure pump A, part with the water outlet of the first-stage reverse osmosis film front end
Number：The sea intake of 8 connections, the two-pass reverse osmosis film B is exported respectively with the concentrated water of the two-pass reverse osmosis film A and institute
The water outlet for the first-stage reverse osmosis film rear end stated passes through two level high-pressure pump B, piece number：10 connections.
Embodiment 2：
According to it is described in embodiment 1 improve seawater desalination recovery rate counter-infiltration system, the two-pass reverse osmosis film A's
The outlet of water outlet and the two-pass reverse osmosis film B passes through piping connection with total water outlet 13 respectively.
Embodiment 3：
The counter-infiltration system of raising seawater desalination recovery rate according to embodiment 1 or 2, the first-stage reverse osmosis film
The concentrated water outlet of rear end and the concentrated water entrance of energy recycle device 7 pass through piping connection.
Embodiment 4：
The counter-infiltration system of raising seawater desalination recovery rate according to embodiment 1 or 2 or 3, the level-one reverse osmosis
The sea intake of permeable membrane front end passes through piping connection, the seawater of the level-one high-pressure pump with the seawer outlet of level-one high-pressure pump 5
Import and the seawer outlet of feed pump 9 pass through piping connection.
Embodiment 5：
The counter-infiltration system of raising seawater desalination recovery rate according to embodiment 1 or 2 or 3 or 4, the energy return
The seawer outlet of the low pressure seawater inlet of receiving apparatus and the feed pump by piping connection, the energy recycle device
High pressure sea water outlet is connect with the seawer outlet of the level-one high-pressure pump by booster pump 6.
Embodiment 6：
The counter-infiltration system of raising seawater desalination recovery rate according to embodiment 1 or 2 or 3 or 4 or 5, described one
The pressure duct that the concentrated water outlet of grade reverse osmosis membrane front end is connected with the first-stage reverse osmosis film rear end sea intake is double
Phase steel SS2507.
Embodiment 7：
The recycling of the counter-infiltration system of raising seawater desalination recovery rate according to embodiment 1 or 2 or 3 or 4 or 5 or 6
Method, this method comprises the following steps：
Seawater is entered by feed pump, and a part enters level-one high-pressure pump, and another part enters the low pressure of energy recycle device
Seawater inlet, the fresh water that level-one sea-water reverse osmose front end comes out enter two-pass reverse osmosis film A, and level-one sea-water reverse osmose front end comes out
Concentrated water enter first-stage reverse osmosis film rear end, the concentrated water of two-pass reverse osmosis film A is mixed with the production water of first-stage reverse osmosis film rear end
Afterwards, enter two-pass reverse osmosis film B together, the production water of two-pass reverse osmosis film A is mixed with the production water of two-pass reverse osmosis film B, as whole
The total yield water of a system；
The water outlet of seawater feed pump, after the supercharging of energy recycle device, into booster pump, the water outlet of booster pump and level-one
After the water outlet mixing of sea-water reverse osmose high-pressure pump, into level-one sea-water reverse osmose front end, always intake as sea-water reverse osmose；
The high pressure concentrated water of first-stage reverse osmosis film rear end enters energy recycle device, and the high pressure sea water of energy recycle device enters
Booster pump, the discharge of energy recycle device low pressure seawater or recycling.
Claims (3)
1. a kind of counter-infiltration system improving seawater desalination recovery rate, composition include：Level-one desalination system and two level desalination system
System, it is characterized in that：The level-one desalination system includes first-stage reverse osmosis film front end and first-stage reverse osmosis film rear end, and described one
The concentrated water outlet of grade reverse osmosis membrane front end is connect with the first-stage reverse osmosis film rear end sea intake by pressure duct；
The two level desalination system includes two-pass reverse osmosis film A and two-pass reverse osmosis film B, the two-pass reverse osmosis film A's
Sea intake is connect with the water outlet of the first-stage reverse osmosis film front end by two level high-pressure pump A, the two level reverse osmosis
The sea intake of permeable membrane B respectively with the outlet of the concentrated water of the two-pass reverse osmosis film A and the first-stage reverse osmosis film rear end
Water outlet passes through the B connections of two level high-pressure pump.
2. the counter-infiltration system according to claim 1 for improving seawater desalination recovery rate, it is characterized in that：The two level is anti-
The outlet of the water outlet of permeable membrane A and the two-pass reverse osmosis film B passes through piping connection with total water outlet respectively；
The concentrated water outlet of the first-stage reverse osmosis film rear end and the concentrated water entrance of energy recycle device pass through piping connection；
The sea intake of the first-stage reverse osmosis film front end and the seawer outlet of level-one high-pressure pump are described by piping connection
The sea intake of level-one high-pressure pump and the seawer outlet of feed pump pass through piping connection；
The seawer outlet of the low pressure seawater inlet of the energy recycle device and the feed pump is described by piping connection
Energy recycle device high pressure sea water outlet and the seawer outlet of the level-one high-pressure pump pass through piping connection.
3. the counter-infiltration system according to claim 1 or 2 for improving seawater desalination recovery rate, it is characterized in that：Described one
The pressure duct that the concentrated water outlet of grade reverse osmosis membrane front end is connected with the first-stage reverse osmosis film rear end sea intake is double
Phase steel SS2507.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849185.9U CN207760094U (en) | 2017-12-26 | 2017-12-26 | Improve the counter-infiltration system of seawater desalination recovery rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849185.9U CN207760094U (en) | 2017-12-26 | 2017-12-26 | Improve the counter-infiltration system of seawater desalination recovery rate |
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| Publication Number | Publication Date |
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| CN207760094U true CN207760094U (en) | 2018-08-24 |
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| CN201721849185.9U Active CN207760094U (en) | 2017-12-26 | 2017-12-26 | Improve the counter-infiltration system of seawater desalination recovery rate |
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| CN (1) | CN207760094U (en) |
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2017
- 2017-12-26 CN CN201721849185.9U patent/CN207760094U/en active Active
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