CN203342655U - Reflowing mechanism of two-stage reverse osmosis device - Google Patents
Reflowing mechanism of two-stage reverse osmosis device Download PDFInfo
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- CN203342655U CN203342655U CN 201320319782 CN201320319782U CN203342655U CN 203342655 U CN203342655 U CN 203342655U CN 201320319782 CN201320319782 CN 201320319782 CN 201320319782 U CN201320319782 U CN 201320319782U CN 203342655 U CN203342655 U CN 203342655U
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- reverse osmosis
- water
- reflowing
- stage reverse
- osmosis membrane
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Abstract
The utility model discloses a reflowing mechanism of a two-stage reverse osmosis device. The reflowing mechanism of the two-stage reverse osmosis device comprises a reverse osmosis high pressure pump, a first-stage reverse osmosis membrane assembly and a second-stage reverse osmosis membrane assembly, wherein the second-stage reverse osmosis membrane assembly is provided with a concentrate water branch pipe; a reflowing device is arranged on the second-stage reverse osmosis membrane assembly; an inlet of the reflowing device is connected with the concentrate water branch pipe of the second-stage reverse osmosis membrane assembly; an outlet of the reflowing device is connected with an inlet of the reverse osmosis high pressure pump; the reflowing device particularly comprises a reflowing pipeline and an electric regulating valve arranged on the reflowing pipeline. The reflowing mechanism of the two-stage reverse osmosis device has the benefits as follows: the reflowing mechanism can improve the process efficiency of reverse osmosis recovery and increase the water recycling rate by approximate 5% on the premise of increasing little investment and can further increase the reverse osmosis water recycling rate on the premise of low salt content in water, can reduce the water consumption and the water drainage amount of an industrial water treatment system, can increase water yield, and achieves very high water resource protecting benefits and economic benefits.
Description
Technical field
The utility model relates to a kind of reverse osmosis unit, is specifically related to a kind of backflow mechanism of two-part reverse osmosis unit.
Background technology
At present; counter-infiltration system is universal gradually in Treatment of Industrial Water; the water rate of recovery of reverse osmosis unit becomes the crucial performance assessment criteria of whole industrial water conditioning system; particularly in the situation that the water resource growing tension; improve the reverse osmosis water rate of recovery; can when effectively reducing draining, reduce water intaking, fwaater resources protection is had to positive effect.
Existing reverse osmosis unit mainly is divided into one-level, one-level multistage and multistage multistage, and industrial bitter reverse osmosis unit is mainly two sections of one-levels at present, i.e. two-part reverse osmosis unit as shown in Figure 1, in this reverse osmosis unit, industrial bitter comes water inlet 1 to enter by system, and enter reverse osmosis membrane assembly by cartridge filter 2, reverse osmosis high-pressure pump 3 pressurizes to reverse osmosis membrane assembly, after advancing first paragraph 4 and second segment 5 infiltrations, the fresh water after filtration is expelled to follow-up system through what filter from exporting 6; In a putamina in one-level, 6 membrane components are housed, the fresh-water recovery rate of first paragraph is approximately 50%, after second segment, is exactly about 50%+50% * 50%=75%, and organic efficiency is still not ideal enough.
The utility model content
The purpose of this utility model is to provide a kind of backflow mechanism of two-part reverse osmosis unit, by the concentrate recirculation by after two sections infiltrations to the reverse osmosis high-pressure pump, to improve fresh-water recovery rate, overcome the undesirable defect of existing two-part reverse osmosis unit fresh-water recovery rate, thereby realized the purpose of this utility model.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of backflow mechanism of two-part reverse osmosis unit, it comprises a reverse osmosis high-pressure pump and one section, two sections reverse osmosis membrane assemblies, two sections reverse osmosis membrane assemblies are provided with dense water arm, wherein:
Two sections reverse osmosis membrane assemblies are provided with a reflux, and the entrance of this reflux connects the dense water arm of two sections reverse osmosis membrane assemblies, and the outlet of reflux connects the entrance of reverse osmosis high-pressure pump;
Reflux specifically comprises return line and is arranged on the electric control valve on this return line.
In a preferred embodiment of the present utility model, electric control valve is electrically connected to for detection of the product water checkout gear that produces the water rate of recovery with one, and this produces the folding that the water checkout gear is controlled electric control valve.
The beneficial effects of the utility model are:
Improve reverse osmosis water rate of recovery technique under the prerequisite that increases seldom investment, improve the water rate of recovery approximately 5%, and in the situation that water quality salt amount is little also can improve; Can save water withdrawal and the displacement of industrial water conditioning system, increase aquifer yield simultaneously, extraordinary fwaater resources protection benefit and economic benefit are arranged.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is existing two-part reverse osmosis unit.
The schematic diagram of the backflow mechanism that Fig. 2 is a kind of two-part reverse osmosis unit described in the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
As shown in Figure 2, the backflow mechanism of two-part reverse osmosis unit described in the utility model comprises reverse osmosis high-pressure pump 12 and reverse osmosis membrane assembly 20, wherein, industrial bitter water 10 is connected to the entrance of reverse osmosis high-pressure pump 12 by a cartridge filter 11, the outlet of reverse osmosis high-pressure pump 12 connects reverse osmosis membrane assembly 20; This reverse osmosis membrane assembly 20 comprises one section reverse osmosis membrane assembly 21 and two sections reverse osmosis membrane assemblies 22, and the water outlet of these two sections reverse osmosis membrane assemblies 22 connects follow-up system 23, and dense water out place is provided with dense water arm, for connecting reflux.
Reflux comprises return line 31 and is arranged on the electric control valve 32 on this return line 31, wherein, one end of return line 31 connects the dense water arm of two sections reverse osmosis membrane assemblies 22, the other end is connected to the entrance of reverse osmosis high-pressure pump 12, form a dense water loop, this loop makes the dense water of two sections reverse osmosis membrane assemblies 22 after 12 pressurizations of reverse osmosis high-pressure pump, gets back to reverse osmosis membrane assembly 20 and again processes.
Electric control valve is electrically connected to for detection of the product water checkout gear that produces the water rate of recovery with one, this produces the folding that the water checkout gear is controlled electric control valve, in the present embodiment, control and produce the water rate of recovery 80%, be less than 80% if produce the water rate of recovery, control electric control valve and strengthen aperture, increase the concentrate recirculation amount, thereby improve product discharge, put forward the high yield water rate of recovery; Be greater than 80% if produce the water rate of recovery, control electric control valve and reduce aperture, and then reduce the concentrate recirculation amount, reduce the product water rate of recovery thereby reduce product discharge, to avoid fouling in counter-infiltration.
The utility model can effectively improve fresh-water recovery rate, comprises that the rate of recovery of the more unmanageable water quality of bitter water quality all can reach 80%, in water quality, can reach 85% in situation preferably, and water-saving result is obvious; In practice, reach the high-concentration industrial salt solution of 2000～4000mg/L for salt content, the rate of recovery is stabilized in 80% left and right, has good economic benefit and fwaater resources protection benefit.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the backflow mechanism of a two-part reverse osmosis unit, it comprises a reverse osmosis high-pressure pump and one section, two sections reverse osmosis membrane assemblies, two sections reverse osmosis membrane assemblies are provided with dense water arm, it is characterized in that:
Described two sections reverse osmosis membrane assemblies are provided with a reflux, and the entrance of this reflux connects the dense water arm of two sections reverse osmosis membrane assemblies, and the outlet of reflux connects the entrance of reverse osmosis high-pressure pump;
Reflux specifically comprises return line and is arranged on the electric control valve on this return line.
2. the backflow mechanism of a kind of two-part reverse osmosis unit as claimed in claim 1, is characterized in that, described electric control valve is electrically connected to for detection of the product water checkout gear that produces the water rate of recovery with one, and this produces the folding that the water checkout gear is controlled electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319782 CN203342655U (en) | 2013-06-04 | 2013-06-04 | Reflowing mechanism of two-stage reverse osmosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319782 CN203342655U (en) | 2013-06-04 | 2013-06-04 | Reflowing mechanism of two-stage reverse osmosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342655U true CN203342655U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320319782 Expired - Fee Related CN203342655U (en) | 2013-06-04 | 2013-06-04 | Reflowing mechanism of two-stage reverse osmosis device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203342655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413477A (en) * | 2015-11-12 | 2016-03-23 | 中联重科股份有限公司 | Membrane module performance detection equipment |
| CN114307647A (en) * | 2021-12-03 | 2022-04-12 | 武汉新源水务环境工程有限公司 | Desalted water treatment method based on concentrated water energy compensation recycling device |
-
2013
- 2013-06-04 CN CN 201320319782 patent/CN203342655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413477A (en) * | 2015-11-12 | 2016-03-23 | 中联重科股份有限公司 | Membrane module performance detection equipment |
| CN114307647A (en) * | 2021-12-03 | 2022-04-12 | 武汉新源水务环境工程有限公司 | Desalted water treatment method based on concentrated water energy compensation recycling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20190604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |