CN201240892Y - Pure water production apparatus with reverse osmosis membrane - Google Patents
Pure water production apparatus with reverse osmosis membrane Download PDFInfo
- Publication number
- CN201240892Y CN201240892Y CNU2008200873953U CN200820087395U CN201240892Y CN 201240892 Y CN201240892 Y CN 201240892Y CN U2008200873953 U CNU2008200873953 U CN U2008200873953U CN 200820087395 U CN200820087395 U CN 200820087395U CN 201240892 Y CN201240892 Y CN 201240892Y
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- reverse osmosis
- water
- osmosis membrane
- pressure pump
- pure water
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Abstract
The utility model discloses a reverse osmosis membrane device for producing pure water, comprising a pre-treating device, a high-pressure pump and a reverse osmosis device; the pre-treating device is connected with the water inlet of the high-pressure pump, and the water outlet of the high-pressure pump is connected with the reverse osmosis device which is provided with a pure water outlet and a concentrated water outlet, a return passage is arranged between the concentrated water outlet of the reverse osmosis device and the water inlet of the high-pressure pump, a control regulating valve is arranged on the return passage, the pre-treating device adopts an ultra filter. In the utility model, the utilization rate of raw water is high and the ultra filter is adopted for carrying out pre-treatment, thus improving the pre-treating water quality and reducing the occupying area of the equipment; the return passage is arranged between the concentrated water outlet of the reverse osmosis device and the water inlet of the high-pressure pump, thus leading the concentrated water produced by reverse osmosis to flow into the water inlet of the high-pressure pump after passing through the return passage and increasing flow rate of the outlet of the reverse osmosis membrane; therefore, fluid speed on the surface of the reverse osmosis membrane is increased, the deposition speed of the impurities on the surface of the reverse osmosis membrane is delayed, thus delaying the polluted time of the reverse osmosis membrane.
Description
Technical field
The utility model relates to a kind of water treatment device that adopts reverse osmosis membrane to produce pure water.
Background technology
Reverse osmosis is a new membrane separation technique that grows up in the sixties, is to rely on reverse osmosis membrane to make solvent and solute in the solution carry out separating process under pressure.The reverse osmosis desalination principle is exactly in water salty, imposes the pressure bigger than naturally osmotic pressure, and infiltration is carried out round about, and the water molecules in the former water is pressed onto the other side of film, becomes clean water, thus reach remove anhydrate in the purpose of salinity.At present, utilize reverse osmosis method to produce pure water technology, with its environmental protection, stable effluent quality, less energy intensive, the strong characteristics of giving prominence to that wait of adaptive faculty have obtained using widely in beverage, chemical industry, electric power, electron trade.
The quality of former water pretreatment directly influences the techno-economic effect and the long-term safety operation of reverse osmosis, it is a very important ring during industrial water supply is handled, the washed ore strainer is adopted in the water pretreatment of present most of technological processs Central Plains, activated charcoal filter and accurate filter, can above-mentioned pretreatment system not only bulky, complicated operation, working cost is also higher, and it is more to contain pollutent at Yuan Shui, when water quality was relatively poor, past contact was difficult to reach the specification of quality of pretreated water, causes reverse osmosis membrane very easily to be polluted, thereby shorten the work-ing life of reverse osmosis membrane, water water quality is produced in influence.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of reverse osmosis membrane to produce pure water device, and can effectively solve existing reverse osmosis membrane and very easily be polluted, thus the work-ing life of shortening reverse osmosis membrane, the problem of water water quality is produced in influence.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of reverse osmosis membrane is produced pure water device, comprise pretreatment unit, high-pressure pump and reverse osmosis unit, pretreatment unit connects the water-in of high-pressure pump, the water outlet of high-pressure pump connects reverse osmosis unit, reverse osmosis unit is provided with pure water outlet and dense water out II, it is characterized in that: be provided with reflux line between the dense water out II of reverse osmosis unit and the water-in of high-pressure pump.
Further, reflux line is provided with the regulating and controlling valve, can regulate the flow of the dense water that refluxes as required.
Further, pretreatment unit adopts ultra-fine filter, has improved pretreated water quality, has reduced occupation area of equipment.
Further, ultra-fine filter adopts the external-compression type hollow fiber membrane ultrafiltration device, the external-compression type hollow fiber membrane ultrafiltration device comprises shell, the shell two ends are respectively original water inlet and water outlet, outer surface of outer cover is provided with the recoil mouth of a river near original water inlet one end, outer surface of outer cover is provided with dense water out near water outlet one end, is provided with some hollow-fibre membranes in the shell, and the hollow-fibre membrane two ends are provided with end socket.
Further, hollow-fibre membrane adopts polysulfone material to make.
Further, dense water out I is connected to dense pond I by delivery pipe I, and delivery pipe I is provided with regulating and controlling valve I.
Further, dense water out II is connected to dense pond II by delivery pipe II, and delivery pipe II is provided with regulating and controlling valve II.
The utility model is owing to adopted technique scheme, and former water use efficiency height adopts ultra-fine filter to carry out pre-treatment, has improved pretreated water quality, has reduced occupation area of equipment; Be provided with reflux line between the dense water out of reverse osmosis unit and the water-in of high-pressure pump, the dense water of reverse osmosis generation is partly flow to the water-in of high-pressure pump by reflux line, increased the water outlet flow of reverse osmosis membrane, thereby increased the fluid velocity on reverse osmosis membrane surface, delay the sedimentation velocity of reverse osmosis membrane surface impurity, thereby delayed the contaminated time of reverse osmosis membrane.The utility model under raw water quality and former water use efficiency same case, can make the pretreatment unit floor space dwindle more than 30% through facts have proved, the dirt-block modulus SDI value of pretreated water can remain on below 1, reverse osmosis membrane can prolong more than 14% work-ing life, and easy and simple to handle, and cost is low.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 produces the overall flow synoptic diagram of pure water device for a kind of reverse osmosis membrane of the utility model;
Fig. 2 is the structural representation of ultra-fine filter in the utility model.
Embodiment
As depicted in figs. 1 and 2, for a kind of reverse osmosis membrane of the utility model is produced pure water device, comprise pretreatment unit, high-pressure pump 2 and reverse osmosis unit 3, pretreatment unit adopts external-compression type hollow fiber membrane ultrafiltration device 1, external-compression type hollow fiber membrane ultrafiltration device 1 comprises shell 11, shell 11 two ends are respectively original water inlet 12 and water outlet 15, water outlet 15 is effusive to be that water is produced in ultrafiltration, flow into high-pressure pump 2, shell 11 outside surfaces are provided with the recoil mouth of a river 14 near original water inlet 12 1 ends, the recoil mouth of a river 14 is used for ultra-fine filter 1 is cleaned, shell 11 outside surfaces are provided with dense water out I13 near water outlet 15 1 ends, dense water out I13 is connected to dense pond I7 by delivery pipe I6, delivery pipe I6 is provided with regulating and controlling valve I61, be provided with some hollow-fibre membranes 16 in the shell 11, hollow-fibre membrane 16 adopts polysulfone material to make, and hollow-fibre membrane 16 two ends are provided with end socket 17.Water outlet 15 is by the water-in 21 of pipe connection high-pressure pump 2, the water outlet 22 of high-pressure pump 2 connects reverse osmosis unit 3, reverse osmosis unit 3 is provided with pure water outlet 31 and dense water out II32, dense water out II32 is connected to dense pond II9 by delivery pipe II8, delivery pipe II8 is provided with regulating and controlling valve II81, be provided with reflux line 4 between the dense water out II32 of reverse osmosis unit 3 and the water-in 21 of high-pressure pump 2, reflux line 4 is provided with regulating and controlling valve 41.
Workflow of the present utility model is as follows: former water 5 is sent into ultra-fine filter 1 by pipeline from original water inlet 12, send into dense pond I7 from dense water out I13 through delivery pipe I6 through ultra-fine filter 1 pretreated dense water, water is sent into high-pressure pump 2 by pipeline from water outlet 15 water-in 21 is produced in pretreated ultrafiltration; Ultrafiltration is produced water and send into reverse osmosis unit 3 by pipeline after high-pressure pump 2 pressurization, the pure water of output is delivered to water supply point 10 from pure water outlet 31 by pipeline, the dense water part of output is sent into dense pond II9 by delivery pipe II8, another part is back to the water-in 21 of high-pressure pump 2 by reflux line 4, reflux line 4 is provided with regulating and controlling valve 41, can regulate the flow of the dense water that refluxes as required.
Produce pure water device production performance comparison sheet for the utility model and existing reverse osmosis membrane below:
As can be seen from the above table, under the former water situation identical with the output pure water, the existing reverse osmosis membrane of the floor space of the utility model pretreatment system is produced pretreatment unit minimizing 35% in the pure water device, the more existing raising 14% mean life of the utility model reverse osmosis membrane.In addition in the utility model ultra-fine filter (carry out under 0.1～0.5MPa), energy consumption is low not to need heating, does not have heat effect and phase-state change yet, is specially adapted to the separation of heat-sensitive substance in normal temperature low pressure; Ultra-fine filter can also be used for the concentrated recovery of the extremely rare composition of solution, and its character is changed.
The utility model adopts ultra-fine filter to carry out pre-treatment, has improved pretreated water quality, has reduced occupation area of equipment; The reflux line that the utility model is provided with, the dense water of reverse osmosis generation is partly flow to the water-in of high-pressure pump by reflux line, increased the water outlet flow of reverse osmosis membrane in the reverse osmosis unit, thereby increased the fluid velocity on reverse osmosis membrane surface, delay the sedimentation velocity of reverse osmosis membrane surface impurity, thereby delayed the contaminated time of reverse osmosis membrane.
Claims (7)
1, a kind of reverse osmosis membrane is produced pure water device, comprise pretreatment unit, high-pressure pump (2) and reverse osmosis unit (3), pretreatment unit connects the water-in (21) of described high-pressure pump (2), the water outlet (22) of high-pressure pump (2) connects described reverse osmosis unit, reverse osmosis unit (3) is provided with pure water outlet (31) and dense water out II (32), it is characterized in that: be provided with reflux line (4) between the dense water out II (32) of described reverse osmosis unit (3) and the water-in (21) of described high-pressure pump (2).
2, reverse osmosis membrane according to claim 1 is produced pure water device, it is characterized in that: described reflux line (4) is provided with regulating and controlling valve (41).
3, reverse osmosis membrane according to claim 1 is produced pure water device, it is characterized in that: described pretreatment unit adopts ultra-fine filter (1).
4, reverse osmosis membrane according to claim 3 is produced pure water device, it is characterized in that: described ultra-fine filter (1) adopts the external-compression type hollow fiber membrane ultrafiltration device, the external-compression type hollow fiber membrane ultrafiltration device comprises shell (11), shell (11) two ends are respectively original water inlet (12) and water outlet (15), shell (11) outside surface is provided with the recoil mouth of a river (14) near described original water inlet (12) one ends, shell (11) outside surface is provided with dense water out I (13) near described water outlet (15) one ends, be provided with some hollow-fibre membranes (16) in the shell (11), hollow-fibre membrane (16) two ends are provided with end socket (17).
5, reverse osmosis membrane according to claim 4 is produced pure water device, it is characterized in that: described hollow-fibre membrane (16) adopts polysulfone material to make.
6, reverse osmosis membrane according to claim 4 is produced pure water device, it is characterized in that: described dense water out I (13) is connected to dense pond I (7) by delivery pipe I (6), and delivery pipe I (6) is provided with regulating and controlling valve I (61).
7, reverse osmosis membrane according to claim 1 is produced pure water device, it is characterized in that: described dense water out II (32) is connected to dense pond II (9) by delivery pipe II (8), and delivery pipe II (8) is provided with regulating and controlling valve II (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200873953U CN201240892Y (en) | 2008-05-20 | 2008-05-20 | Pure water production apparatus with reverse osmosis membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200873953U CN201240892Y (en) | 2008-05-20 | 2008-05-20 | Pure water production apparatus with reverse osmosis membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240892Y true CN201240892Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200873953U Expired - Fee Related CN201240892Y (en) | 2008-05-20 | 2008-05-20 | Pure water production apparatus with reverse osmosis membrane |
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| Country | Link |
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| CN (1) | CN201240892Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955270A (en) * | 2010-09-19 | 2011-01-26 | 株洲高新技术产业开发区生命伟业科技有限责任公司 | Large-scale reverse-osmosis purified water treatment water-saving device |
| CN104496053A (en) * | 2014-12-06 | 2015-04-08 | 佛山市雅洁源科技股份有限公司 | Novel direct drinking water device with plug wire control main board |
| CN104591419A (en) * | 2015-01-07 | 2015-05-06 | 成都邦研科技有限公司 | Single-stage constant pressure water supply device of water preparation device for hematodialysis |
| CN107014001A (en) * | 2017-04-20 | 2017-08-04 | 东莞理工学院 | Bending hollow tunica fibrosa dehumidifier, air dehumidification system and counter-infiltration system |
| CN107890781A (en) * | 2017-11-07 | 2018-04-10 | 天津珑源新材料科技有限公司 | A kind of Hollow Fiber Ultrafiltration counter-infiltration integrates membrane module and its preparation technology |
-
2008
- 2008-05-20 CN CNU2008200873953U patent/CN201240892Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955270A (en) * | 2010-09-19 | 2011-01-26 | 株洲高新技术产业开发区生命伟业科技有限责任公司 | Large-scale reverse-osmosis purified water treatment water-saving device |
| CN104496053A (en) * | 2014-12-06 | 2015-04-08 | 佛山市雅洁源科技股份有限公司 | Novel direct drinking water device with plug wire control main board |
| CN104591419A (en) * | 2015-01-07 | 2015-05-06 | 成都邦研科技有限公司 | Single-stage constant pressure water supply device of water preparation device for hematodialysis |
| CN107014001A (en) * | 2017-04-20 | 2017-08-04 | 东莞理工学院 | Bending hollow tunica fibrosa dehumidifier, air dehumidification system and counter-infiltration system |
| CN107890781A (en) * | 2017-11-07 | 2018-04-10 | 天津珑源新材料科技有限公司 | A kind of Hollow Fiber Ultrafiltration counter-infiltration integrates membrane module and its preparation technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20120520 |