CN207158850U - A kind of novel micro-power NF concentrated water reuse reverse osmosis unit - Google Patents
A kind of novel micro-power NF concentrated water reuse reverse osmosis unit Download PDFInfo
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- CN207158850U CN207158850U CN201720963579.0U CN201720963579U CN207158850U CN 207158850 U CN207158850 U CN 207158850U CN 201720963579 U CN201720963579 U CN 201720963579U CN 207158850 U CN207158850 U CN 207158850U
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- reverse osmosis
- concentrated water
- power
- water inlet
- nanofiltration membrane
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Abstract
It the utility model is related to a kind of novel micro-power NF concentrated water reuse reverse osmosis unit, it is made up of the acidproof nanofiltration membrane system of low pressure, the acidproof nanofiltration membrane system of low pressure includes reverse osmosis concentrated water water inlet and is attached thereto logical exceeded bypass pipe, and the exceeded bypass pipe is chemical cleaning solution water inlet in the other end away from reverse osmosis concentrated water water inlet；Nanofiltration putamina is connected by three-way pipe, nanofiltration membrane component is provided with the nanofiltration putamina close to chemical cleaning solution water inlet one end, the exceeded bypass pipe；The utility model has the advantages that making full use of the excess power of concentrated water discharge, while deep acidizing and pH readjustments are carried out, ensure equipment service efficiency, reach the purpose of energy-saving and emission-reduction NF concentrated water reuse.
Description
Technical field
The processing equipment of industrial wastewater is the utility model is related to, especially a kind of novel micro-power NF concentrated water reuse counter-infiltration dress
Put.
Background technology
At present typically three kinds of processing methods are used for the concentrated water common technology of Industrial reverse osmosis equipment nearly 25%：
First, directly discharge；
Low-quality water spot is used second, collecting to be back to use；
Third, treatment for reuse again.
Wherein Treatment for Reuse will turn into technology Developing mainstream again, and the technique that current reverse osmosis concentrated Water circulation is taken is：
Collecting pit+elevator pump+acidifying+scale inhibition+high-pressure pump supercharging+concentrated water reverse osmosis membrane group.The technique can reach reverse osmosis concentrated water and return
Purpose；But the problem of technique is present is, concentrated water passes through the two of elevator pump and high-pressure pump again after machinery decompression is collected
Secondary lifting can lose most of power in vain.And the pH value after being acidified can not be too low, salt rejection rate and water outlet pH value are otherwise influenceed.
The existing A of unauthorized Chinese patent document CN 106277553 that announced disclose a kind of place of reverse osmosis (RO) concentrated water
Method and apparatus is managed, it mainly solves the problems, such as it is that current concentrated water processing discharge can not reach country to clean manufacturing and environmental protection
It is required that solved the problems, such as from the utility model different.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of rate of recovery is high, can reduce in the film of equipment for reclaiming
The novel micro-power NF concentrated water reuse reverse osmosis equipment of fouling.
To achieve the above object, the utility model provides following technical scheme：
A kind of novel micro-power NF concentrated water reuse reverse osmosis unit, it is made up of the acidproof nanofiltration membrane system of low pressure, the low pressure
Acidproof nanofiltration membrane system includes reverse osmosis concentrated water water inlet and is attached thereto logical exceeded bypass pipe, and the exceeded bypass pipe is remote
The other end from reverse osmosis concentrated water water inlet is chemical cleaning solution water inlet；
Further, nanofiltration is being connected by three-way pipe close to chemical cleaning solution water inlet one end, the exceeded bypass pipe
Putamina, the nanofiltration putamina is interior to be provided with nanofiltration membrane component；
Further, alkali dosing mouth and the first pH are provided between the exceeded bypass pipe mouth of pipe and chemical cleaning solution water inlet
Analyzer, the alkali dosing mouth connect the 2nd pH analyzers and alkali dosing pump, and the first pH analyzers connect sour dosing mouth,
The sour dosing mouth connects sour dosing pump；
Further, on production water outlet pipe, the production water outlet pipe is connected the 2nd pH analyzers by three-way pipe
The second Chemical cleaning discharge outlet is connect, the first Chemical cleaning discharge outlet is provided with side by side with the second Chemical cleaning discharge outlet, it is described
First Chemical cleaning discharge outlet connects concentrated water spout；
Further, the acidproof nanofiltration membrane system of the low pressure is provided with electric cabinet and pressure dial plate, and the pressure dial plate is used for
Monitor the acidproof nanofiltration membrane system water pressure of low pressure；
Further, the acidproof nanofiltration membrane system of the low pressure connects first-stage reverse osmosis by reverse osmosis concentrated water water inlet and set
It is standby.
Further, the nanofiltration membrane component is the acidproof NF membrane of acid.NF low pressure, and size is 8 cun.
Further, the first-stage reverse osmosis equipment includes RO intake pumps and one-level high-pressure pump.
Further, the first valve, the counter-infiltration are provided between the reverse osmosis concentrated water water inlet and exceeded bypass pipe
The second valve is provided between concentrated water water inlet and alkali dosing mouth.
Further, it is equipped with ball between the sour dosing mouth and the 2nd pH analyzers and in the first Chemical cleaning discharge outlet
Valve.
Further, the acidproof nanofiltration membrane system pH scopes of the low pressure are between 2~11, reverse osmosis concentrated water water inlet pressure
Less than 1.0MPa.
Further, the utility model is applied to NF concentrated water reuse processing of the salinity less than 4000ppm.
As a kind of optimal technical scheme of the present utility model, the pressure dial plate is 5 groups.
Further, the acidproof nanofiltration membrane system ion remaval rate of the low pressure is up to 97%.
Further, this novel micro-power NF concentrated water reuse reverse osmosis equipment is applied to the concentrated water portion that salinity is less than 4000ppm
Divide and implement Treatment for Reuse.
The beneficial effects of the utility model are：
The utility model makes full use of the excess power of concentrated water discharge, while carries out deep acidizing and pH readjustments, ensures to set
Standby service efficiency, reach the purpose of energy-saving and emission-reduction NF concentrated water reuse.The acidproof nanofiltration membrane system water inlet pressure of low pressure is generally less than
1.0MPa, pH scope 2~11, meet conventional reverse osmosis concentrated water discharge pressure without repressurization or adjustment pH can directly by
Leading portion concentrated water accesses equipment for reclaiming, so as to reach the mesh that not only make use of leading portion reverse osmosis concentrated water but also utilize leading portion concentrated water excess power
, and because present apparatus characteristic can ensure that low pH values situation lower film is less scaling, acid.NF low pressure is acidproof contained by the present apparatus
NF membrane is higher to high valence ion clearance, verifies highest ion remaval rate up to 97% by practical experience, pure water water outlet is returned
Use it is other with water spot or be back to front end RO intake pumps, equipment only produces about 7% concentrated water discharge so that the raw water rate of recovery by
75% not plus before equipment for reclaiming brings up to 93%, accomplishes to make full use of conventional RO while conventional reverse osmosis NF concentrated water reuse again
Intake pump water outlet residual compression, while fouling in the lower film for effectively reducing equipment for reclaiming of the equipment inlet flow-patterm, killing three birds with one stone.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below will be to needed for embodiment or description of the prior art
The accompanying drawing to be used is briefly described, and for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is workflow schematic diagram of the present utility model.
Embodiment
A kind of novel micro-power NF concentrated water reuse reverse osmosis unit as shown in Figure 1, it is by the acidproof nanofiltration membrane system A structures of low pressure
Into the acidproof nanofiltration membrane system A of low pressure includes reverse osmosis concentrated water water inlet 1 and is attached thereto logical exceeded bypass pipe 2, described
Exceeded bypass pipe 2 is chemical cleaning solution water inlet 4 in the other end away from reverse osmosis concentrated water water inlet 1；
Further, received close to the one end of chemical cleaning solution water inlet 4, the exceeded bypass pipe 2 by three-way pipe connection
Filter membrane shell 3, the nanofiltration putamina 3 is interior to be provided with nanofiltration membrane component 31；
Further, alkali dosing mouth 5 and the are provided between the mouth of pipe of exceeded bypass pipe 2 and chemical cleaning solution water inlet 4
One pH analyzers 11, the alkali dosing mouth 5 connect the 2nd pH analyzers 12 and alkali dosing pump 16, the first pH analyzers 11
Sour dosing mouth 6 is connected, the sour dosing mouth 6 connects sour dosing pump 15；
Further, for the 2nd pH analyzers 12 on production water outlet pipe 10, the production water outlet pipe 10 passes through three
Siphunculus connects the second Chemical cleaning discharge outlet 9, and the first Chemical cleaning draining is provided with side by side with the second Chemical cleaning discharge outlet 9
Mouth 8, the first Chemical cleaning discharge outlet 8 connect concentrated water spout 7；
Further, the acidproof nanofiltration membrane system A of the low pressure is provided with electric cabinet 13 and pressure dial plate 14, the pressure dial plate
14 are used to monitor the acidproof nanofiltration membrane system A water pressures of low pressure；
Further, the acidproof nanofiltration membrane system A of the low pressure connects first-stage reverse osmosis by reverse osmosis concentrated water water inlet 1 and set
Standby B.
Further, the nanofiltration membrane component 31 is the acidproof NF membrane of acid.NF low pressure, and size is 8 cun.
Further, the first valve V1 is provided between the reverse osmosis concentrated water water inlet 1 and exceeded bypass pipe 2, it is described anti-
The second valve V2 is provided between infiltration concentrated water water inlet 1 and alkali dosing mouth 5.
Further, it is all provided between the pH analyzers 12 of sour dosing mouth 6 and the 2nd and in the first Chemical cleaning discharge outlet 8
There is ball valve 17.
Further, the acidproof nanofiltration membrane system ApH scopes of the low pressure between 2~11, press by reverse osmosis concentrated water water inlet 1
Power is less than 1.0MPa.
Further, the utility model is applied to NF concentrated water reuse processing of the salinity less than 4000ppm.
As a kind of optimal technical scheme of the present utility model, the pressure dial plate 14 is 5 groups.
Further, the acidproof nanofiltration membrane system ion remaval rate of the low pressure is up to 97%.
Further, this novel micro-power NF concentrated water reuse reverse osmosis equipment is applied to the concentrated water portion that salinity is less than 4000ppm
Divide and implement Treatment for Reuse.
The workflow of the present apparatus：
As Fig. 2, the first-stage reverse osmosis equipment B include RO intake pumps 21 and one-level high-pressure pump 22.First-stage reverse osmosis equipment B
Concentrated water outlet pressure typically in 1.0MPa or so, the part concentrated water containing being four times in operation hardness ions, the scale inhibition of raw water
Agent etc. is inorganic or organic matter, acidified technique enter this novel micro-power NF concentrated water reuse reverse osmosis from reverse osmosis concentrated water water inlet 1
Saturating equipment, the first valve V1 are opened, and the second valve V2 is closed, and according to the measured value of the first pH analyzers 11, sour dosing pump 15 starts,
Sour dosing mouth 6 automatically adjusts acid adding amount so that the show value of the first pH analyzers 11 is 5~6, and reverse osmosis concentrated water water inlet 1 comes
Water enters single parallel running after nanofiltration putamina 3, is divided into pure water and concentrated water after the processing of nanofiltration membrane component 31, concentrated water directly from
Concentrated water spout 7 drains into blow-off line, and pure water controls alkali dosing mouth 5 plus alkali through alkali dosing pump 16, according to the survey of the 2nd pH analyzers 12
Numerical quantity, it is 7 by the pH value readjustment of pure water, is reclaimed by the first Chemical cleaning discharge outlet 8 and the second Chemical cleaning discharge outlet 9,
System pressure being adjusted come water pressure according to pressure dial plate 14.
The utility model makes full use of the excess power of concentrated water discharge, while carries out deep acidizing and pH readjustments, ensures to set
Standby service efficiency, reach the purpose of energy-saving and emission-reduction NF concentrated water reuse.The acidproof nanofiltration membrane system water inlet pressure of low pressure is generally less than
1.0MPa, pH scope 2~11, meet conventional reverse osmosis concentrated water discharge pressure without repressurization or adjustment pH can directly by
Leading portion concentrated water accesses equipment for reclaiming, so as to reach the mesh that not only make use of leading portion reverse osmosis concentrated water but also utilize leading portion concentrated water excess power
, and because present apparatus characteristic can ensure that low pH values situation lower film is less scaling, acid.NF low pressure is acidproof contained by the present apparatus
NF membrane is higher to high valence ion clearance, verifies highest ion remaval rate up to 97% by practical experience, pure water water outlet is returned
Use it is other with water spot or be back to front end RO intake pumps, equipment only produces about 7% concentrated water discharge so that the raw water rate of recovery by
75% not plus before equipment for reclaiming brings up to 93%, accomplishes to make full use of conventional RO while conventional reverse osmosis NF concentrated water reuse again
Intake pump water outlet residual compression, while fouling in the lower film for effectively reducing equipment for reclaiming of the equipment inlet flow-patterm, killing three birds with one stone.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (9)
1. a kind of novel micro-power NF concentrated water reuse reverse osmosis unit, it is characterised in that it is by the acidproof nanofiltration membrane system of low pressure (A) structure
Into the acidproof nanofiltration membrane system of low pressure (A) includes reverse osmosis concentrated water water inlet (1) and is attached thereto logical exceeded bypass pipe
(2), the exceeded bypass pipe (2) is chemical cleaning solution water inlet (4) in the other end away from reverse osmosis concentrated water water inlet (1)；
Nanofiltration putamina (3) is being connected by three-way pipe close to chemical cleaning solution water inlet (4) one end, the exceeded bypass pipe (2),
Nanofiltration membrane component (31) is provided with the nanofiltration putamina (3)；
Alkali dosing mouth (5) is provided between exceeded bypass pipe (2) mouth of pipe and chemical cleaning solution water inlet (4) and the first pH is determined
Instrument (11), the alkali dosing mouth (5) connect the 2nd pH analyzers (12) and alkali dosing pump (16), the first pH analyzers (11)
Sour dosing mouth (6) is connected, the sour dosing mouth (6) connects sour dosing pump (15)；
On production water outlet pipe (10), the production water outlet pipe (10) is connected the 2nd pH analyzers (12) by three-way pipe
Second Chemical cleaning discharge outlet (9), the first Chemical cleaning discharge outlet is provided with side by side with the second Chemical cleaning discharge outlet (9)
(8), the first Chemical cleaning discharge outlet (8) connection concentrated water spout (7)；
The acidproof nanofiltration membrane system of low pressure (A) is provided with electric cabinet (13) and pressure dial plate (14), and the pressure dial plate (14) is used
In the monitoring acidproof nanofiltration membrane system of low pressure (A) water pressure；
The acidproof nanofiltration membrane system of low pressure (A) connects first-stage reverse osmosis equipment (B) by reverse osmosis concentrated water water inlet (1).
A kind of 2. novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the nanofiltration
Membrane component (31) is the acidproof NF membrane of acid.NF low pressure, and its size is 8 cun.
A kind of 3. novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the one-level
Reverse osmosis equipment (B) includes RO intake pumps (21) and one-level high-pressure pump (22).
A kind of 4. novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the reverse osmosis
Be provided with the first valve (V1) between concentrated water water inlet (1) and exceeded bypass pipe (2) thoroughly, the reverse osmosis concentrated water water inlet (1) and
The second valve (V2) is provided between alkali dosing mouth (5).
5. a kind of novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the acid adds
Ball valve (17) is equipped between medicine mouth (6) and the 2nd pH analyzers (12) and in the first Chemical cleaning discharge outlet (8).
A kind of 6. novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the low pressure
For the pH scopes of acidproof nanofiltration membrane system (A) between 2~11, reverse osmosis concentrated water water inlet (1) pressure is less than 1.0MPa.
7. a kind of novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that it is applied to
NF concentrated water reuse of the salinity less than 4000ppm is handled.
A kind of 8. novel micro-power NF concentrated water reuse reverse osmosis unit according to claim 1, it is characterised in that the pressure
Dial plate (14) is 5 groups.
9. a kind of novel micro-power NF concentrated water reuse reverse osmosis unit according to any one of claim 1 to 8, its feature exist
In the acidproof nanofiltration membrane system of low pressure (A) the ion remaval rate is 97%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963579.0U CN207158850U (en) | 2017-08-03 | 2017-08-03 | A kind of novel micro-power NF concentrated water reuse reverse osmosis unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963579.0U CN207158850U (en) | 2017-08-03 | 2017-08-03 | A kind of novel micro-power NF concentrated water reuse reverse osmosis unit |
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| Publication Number | Publication Date |
|---|---|
| CN207158850U true CN207158850U (en) | 2018-03-30 |
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ID=61714940
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720963579.0U Expired - Fee Related CN207158850U (en) | 2017-08-03 | 2017-08-03 | A kind of novel micro-power NF concentrated water reuse reverse osmosis unit |
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| CN (1) | CN207158850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316873A (en) * | 2019-07-22 | 2019-10-11 | 唐山钢铁集团有限责任公司 | A kind of regeneration liquid waste recycling technique |
-
2017
- 2017-08-03 CN CN201720963579.0U patent/CN207158850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316873A (en) * | 2019-07-22 | 2019-10-11 | 唐山钢铁集团有限责任公司 | A kind of regeneration liquid waste recycling technique |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20180803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |