CN209456177U - A kind of nanofiltration and reverse osmosis integrated seawater boron removal system - Google Patents
A kind of nanofiltration and reverse osmosis integrated seawater boron removal system Download PDFInfo
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- CN209456177U CN209456177U CN201822147026.5U CN201822147026U CN209456177U CN 209456177 U CN209456177 U CN 209456177U CN 201822147026 U CN201822147026 U CN 201822147026U CN 209456177 U CN209456177 U CN 209456177U
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- reverse osmosis
- nanofiltration
- water
- membrane
- removal system
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Abstract
The utility model discloses a kind of nanofiltrations and reverse osmosis integrated seawater boron removal system, it is desirable to provide a kind of design is reasonable, improve reverse osmosis membrane service life, reduces the nanofiltration and reverse osmosis integrated seawater boron removal system of water producing cost.The utility model includes sequentially connected intake pool, pretreatment unit, nano-filtration unit, reverse osmosis units and water unit, the nano-filtration unit includes high service device, the nanofiltration membrane being connected with the high service device, the nanofiltration water producing tank being connected with the nanofiltration membrane and the PH regulating device being connected with the nanofiltration water producing tank, and the reverse osmosis units include the high-pressure hydraulic pump being connected with the nanofiltration water producing tank, the reverse osmosis membrane being connected with the high-pressure hydraulic pump and the concentrated water water outlet being connected with the reverse osmosis membrane.The utility model is applied to the technical field of water process.
Description
Technical field
The utility model relates to the technical field of water treatment system, in particular to a kind of nanofiltration and reverse osmosis integrated seawater
Except boron system.
Background technique
It contacts and can have an adverse effect to crops and human body with boride or the excessively high substance of boron content for a long time.Boron can also
Have an adverse effect to some industrial productions.Boron In Seawater content is 0.5~9.6 mg/L, and average boron content is 4.6 mg/
L.It is reverse osmosis can remove in seawater 99% ion, but to the removal rate of boron be 80% or so.This is mainly due to boric acid
Molecular diameter is less than the membrane aperture of reverse osmosis membrane, it is easy to enter production water by reverse osmosis membrane, cause the removal rate of boron very low.
Secondly because boron mainly exists in the form of boric acid in the seawater, it is a kind of uncharged Bronsted acid (electrically weak), can
It is combined in the form of hydrogen bond with the live part on film, with carbonic acid or the water solution that be diffused into ion concentration in an identical manner low
In.
The reverse osmosis membrane of unlike material and reverse osmosis condition to the influence except boron rate experiments have shown that, with the liter of pH value of solution
Height, it is reverse osmosis except boron rate also increases.But this method will cause calcium, magnesium precipitate at a high ph, carbonate concentration increase
Greatly, rapid fouling and reduce water yield, high pH can also have an adverse effect to the tolerance of film, and be discharged pH be also required to
It adjusts, increases water producing cost.
Utility model content
Technical problem to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of design rationally,
The nanofiltration and reverse osmosis integrated seawater boron removal system for improving reverse osmosis membrane service life, reducing water producing cost.
The technical scheme adopted by the utility model is the utility model includes sequentially connected intake pool, pretreatment list
Member, nano-filtration unit, reverse osmosis units and water unit, the nano-filtration unit include high service device and the high service
Nanofiltration membrane, the nanofiltration water producing tank being connected with the nanofiltration membrane and the PH being connected with the nanofiltration water producing tank that device is connected
Regulating device, the reverse osmosis units include the high-pressure hydraulic pump being connected with the nanofiltration water producing tank and the high-pressure hydraulic pump phase
The reverse osmosis membrane of connection and the concentrated water water outlet being connected with the reverse osmosis membrane.
Further, the first shut-off valve is provided between the high service device and the nanofiltration membrane, the high pressure supplies
Water installations are nanofiltration charging pump.
Further, the second shut-off valve is provided between the high-pressure hydraulic pump and the reverse osmosis membrane.
Further, the pretreatment unit includes the filter-press being connected with the intake pool and the pressure
The cartridge filter that filter is connected, the cartridge filter are connected with the high service device.
Further, suction pump is provided between the intake pool and the filter-press.
Further, the water unit includes the product water tank being connected with the reverse osmosis units and the product
The water supply pump that water tank is connected and the third shut-off valve being connected with the water supply pump.
The beneficial effects of the utility model are: due to the utility model include sequentially connected intake pool, pretreatment unit,
Nano-filtration unit, reverse osmosis units and water unit, the nano-filtration unit include high service device and the high service device
The nanofiltration membrane being connected, the nanofiltration water producing tank being connected with the nanofiltration membrane and the PH being connected with the nanofiltration water producing tank are adjusted
Device, the reverse osmosis units include the high-pressure hydraulic pump being connected with the nanofiltration water producing tank, are connected with the high-pressure hydraulic pump
Reverse osmosis membrane and the concentrated water water outlet that is connected with the reverse osmosis membrane, so, the utility model by pretreatment unit with
Nano-filtration unit is connected, and constitutes nanofiltration pre-treating seawater and desalinates integrated technology, softens to seawater, hard in seawater to remove
Degree, turbidity and organic substance；Add PH regulating device in nanofiltration water producing tank, solves fouling of the reverse osmosis membrane under alkaline environment and ask
Topic, avoids high PH from having an adverse effect the tolerance of film, improves water yield, reduces water producing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, in the present embodiment, the utility model includes sequentially connected intake pool 1, pretreatment unit 2, receives
Unit 3, reverse osmosis units 4 and water unit 5 are filtered, the nano-filtration unit 3 includes high service device 31 and the high service
Nanofiltration membrane 32 that device 31 is connected, the nanofiltration water producing tank 33 being connected with the nanofiltration membrane 32 and with the nanofiltration water producing tank 33
The PH regulating device 34 being connected, the reverse osmosis units 4 include the high-pressure hydraulic pump 41 being connected with the nanofiltration water producing tank 33,
The reverse osmosis membrane 42 being connected with the high-pressure hydraulic pump 41 and the concentrated water water outlet 43 being connected with the reverse osmosis membrane 42.This sets
In meter, it is connected by single 2 yuan of the pretreatment with nano-filtration unit 3, constitutes nanofiltration pre-treating seawater and desalinate integrated technology, to sea
Water is softened, to remove the hardness in seawater, turbidity and organic substance；Increase the PH in the nanofiltration water producing tank 33 to adjust
Device 34 solves scale problems of the reverse osmosis membrane 42 under alkaline environment, avoids high PH from generating the tolerance of film unfavorable
It influences, improves water yield, reduce water producing cost.
In the present embodiment, the first shut-off valve 35 is provided between the high service device 31 and the nanofiltration membrane 32,
The high service device 31 is nanofiltration charging pump.
In the present embodiment, the second shut-off valve 44 is provided between the high-pressure hydraulic pump 41 and the reverse osmosis membrane 42.
In the present embodiment, the pretreatment unit 2 include the filter-press 21 being connected with the intake pool 1, with
The cartridge filter 22 that the filter-press 21 is connected, the cartridge filter 22 are connected with the high service device 31
It connects.In this design, seawater passes sequentially through the filter-press 21 and the cartridge filter 22 is filtered, and filters out seawater
The pollutants such as medium-fine sand, organic matter remove turbidity of sea water.
In the present embodiment, suction pump 23 is provided between the intake pool 1 and the filter-press 23.
In the present embodiment, the water unit 5 include the product water tank 51 being connected with the reverse osmosis units 4, with
The water supply pump 52 that the product water tank 51 is connected and the third shut-off valve 53 being connected with the water supply pump 52.
The utility model is applied to the technical field of water treatment system.
Although the embodiments of the present invention are described with practical solution, does not constitute the utility model is contained
Justice limitation, for those skilled in the art, according to this specification to the modification of its embodiment and with the group of other schemes
Conjunction will be apparent from.
Claims (6)
1. a kind of nanofiltration and reverse osmosis integrated seawater boron removal system, it is characterised in that: it includes sequentially connected intake pool
(1), pretreatment unit (2), nano-filtration unit (3), reverse osmosis units (4) and water unit (5), the nano-filtration unit (3) include
High service device (31), the nanofiltration membrane (32) being connected with the high service device (31) and the nanofiltration membrane (32) phase
The nanofiltration water producing tank (33) of connection and the PH regulating device (34) being connected with the nanofiltration water producing tank (33), the reverse osmosis list
First (4) include the high-pressure hydraulic pump (41) being connected with the nanofiltration water producing tank (33), are connected with the high-pressure hydraulic pump (41)
Reverse osmosis membrane (42) and the concentrated water water outlet (43) being connected with the reverse osmosis membrane (42).
2. a kind of nanofiltration according to claim 1 and reverse osmosis integrated seawater boron removal system, it is characterised in that: the height
It is provided with the first shut-off valve (35) between pressure water supply device (31) and the nanofiltration membrane (32), the high service device (31) is
Nanofiltration charging pump.
3. a kind of nanofiltration according to claim 1 and reverse osmosis integrated seawater boron removal system, it is characterised in that: the height
The second shut-off valve (44) are provided between water pump (41) and the reverse osmosis membrane (42).
4. a kind of nanofiltration according to claim 1 and reverse osmosis integrated seawater boron removal system, it is characterised in that: described pre-
Processing unit (2) includes the filter-press (21) being connected with the intake pool (1), is connected with the filter-press (21)
The cartridge filter (22) connect, the cartridge filter (22) are connected with the high service device (31).
5. a kind of nanofiltration according to claim 4 and reverse osmosis integrated seawater boron removal system, it is characterised in that: it is described into
Suction pump (23) are provided between pond (1) and the filter-press (21).
6. a kind of nanofiltration according to claim 1 and reverse osmosis integrated seawater boron removal system, it is characterised in that: it is described go out
Water unit (5) includes the product water tank (51) being connected with the reverse osmosis units (4), is connected with the product water tank (51)
Water supply pump (52) and the third shut-off valve (53) that is connected with the water supply pump (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147026.5U CN209456177U (en) | 2018-12-20 | 2018-12-20 | A kind of nanofiltration and reverse osmosis integrated seawater boron removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147026.5U CN209456177U (en) | 2018-12-20 | 2018-12-20 | A kind of nanofiltration and reverse osmosis integrated seawater boron removal system |
Publications (1)
| Publication Number | Publication Date |
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| CN209456177U true CN209456177U (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822147026.5U Active CN209456177U (en) | 2018-12-20 | 2018-12-20 | A kind of nanofiltration and reverse osmosis integrated seawater boron removal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368839A (en) * | 2018-12-20 | 2019-02-22 | 珠海市江河海水处理科技股份有限公司 | A kind of nanofiltration and reverse osmosis integrated seawater boron removal system |
-
2018
- 2018-12-20 CN CN201822147026.5U patent/CN209456177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368839A (en) * | 2018-12-20 | 2019-02-22 | 珠海市江河海水处理科技股份有限公司 | A kind of nanofiltration and reverse osmosis integrated seawater boron removal system |
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