CN106621819A - Hollow fiber desalination membrane assembly and equipment - Google Patents
Hollow fiber desalination membrane assembly and equipment Download PDFInfo
- Publication number
- CN106621819A CN106621819A CN201611188970.4A CN201611188970A CN106621819A CN 106621819 A CN106621819 A CN 106621819A CN 201611188970 A CN201611188970 A CN 201611188970A CN 106621819 A CN106621819 A CN 106621819A
- Authority
- CN
- China
- Prior art keywords
- water
- desalination membrane
- water inlet
- desalination
- doughnut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
-
- 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
Abstract
The invention relates to the technical field of membranes and particularly relates to a hollow fiber desalination membrane assembly and equipment. The hollow fiber desalination membrane assembly comprises a pressure container and a desalination membrane unit arranged in the pressure container, wherein a raw water inlet and a concentrated water outlet are arranged in the pressure container; the desalination membrane unit comprises a membrane shell and a desalination membrane assembly arranged in the membrane shell; the desalination membrane assembly comprises a central water-producing pipe, a central water inlet pipe arranged around the peripheral side of the central water-producing pipe, a plurality of desalination membrane filaments arranged at the peripheral side of the central water inlet pipe, a water inlet end fixing layer and a water-producing end fixing layer; the water inlet end fixing layer and the water-producing end fixing layer are used for being fixed at two ends of the desalination membrane filaments respectively. The hollow fiber desalination membrane assembly and equipment disclosed by the invention has relatively high anti-pollution capacity and relatively long service life, is low in replacement cost, stable in water yield and excellent in water quality, can work in a relatively bad water quality condition and is suitable for pretreatment of a large reverse osmosis desalination system.
Description
Technical field
The present invention relates to technical field of membrane, more particularly to a kind of doughnut desalination membrane module and equipment.
Background technology
Embrane method desalting technology into the widest desalting processing technology of purposes, with advantages below:1. it is actual without phase transformation
Heat treated need not be carried out to water quality and using instrument in operating process, which simplifies operating procedure, enhance reality
The use value of operation.2. less energy consumption.3. floor space is little, simple to operate, strong adaptability.4. pair environment does not produce pollution, point
It is a physically separate from process, pollution will not be produced to environment.According to above-mentioned advantage, embrane method desalting technology is widely used to sea water
The field such as desalination, Industrial Wastewater Treatment and reuse, medical pure water preparation.
Desalination product main in the market is rolled membrane module, refined etc. in Industrial Wastewater Treatment, strong brine
Field realizes extensive and large-scale application, occupies more than the 90% of desalination market in general share.Rolling desalination membrane group
Part separating property relies primarily on the interfacial polymerization functional layer on flat board desalination membrane surface, and the oxidative resistance of rolling desalination membrane module compared with
Weak, free chlorine can cause lethal damage to desalination membrane surface functional layer in water, directly result in the failure of component system, reduce producing
Product service life.Further, since filter supporting layer is equipped with rolling desalination membrane module, the component under the influence of high operating pressure
Internal filter is easily absorbed in the functional layer on flat board desalination membrane surface, also easily makes functional layer form defect, affects product to separate essence
Degree.Simultaneously as rolling desalination membrane subassembly product inner flow passage is fixed, easily pollution and the generation concentration polarization in application process
Phenomenon, and chemical is due to the destructiveness to functional layer so as to water-filling flushing can only be entered, cleaning performance is poor, film product
Military service stability is poor, and service phase is short, causes film to be regenerated frequent, and investment, operating cost are excessive.
The content of the invention
It is an object of the invention to overcome the rolled membrane module product military service stability of prior art poor, service phase is short to be lacked
A kind of point, there is provided doughnut desalination membrane module.
To realize the purpose of the present invention, the technical scheme for being adopted for:
A kind of doughnut desalination membrane module, it is characterised in that including pressure vessel and be placed in described pressure vessel
Interior desalination film unit;Described pressure vessel is provided with original water inlet and concentrated water outlet;
Described desalination film unit includes putamina, and the desalination membrane module being arranged in described putamina;
Described desalination membrane module includes center water producing pipe, intakes around the center for being located at described center water producing pipe outer circumferential side
Manage, be arranged on a plurality of desalination membrane silk of described center water inlet pipe outer circumferential side and to fixed described desalination membrane silk respectively
The water inlet end fixed layer and product water end (W.E.) fixed layer at two ends;
Described water inlet end fixed layer is arranged between described center water inlet pipe and described putamina, described center
Water inlet pipe is provided with the perforate passed through for raw water;It is formed between described center water inlet pipe and described center water producing pipe for former
The gap that water is entered;The raw water sealing for preventing raw water from passing through is provided between described water inlet end fixed layer and described original water inlet
Part;
The described water end (W.E.) fixed layer that produces is arranged between described center water producing pipe and described putamina, and described film silk is worn
Cross the described water end (W.E.) fixed layer that produces and form the product mouth of a river connected with described center water producing pipe;Described putamina be provided with it is described
Concentrated water outlet outlet.
Described film silk is equidistant into circumference centered on central canal or non-equidistance is arranged;Preferably, it is equidistant
Arrangement.
Described product water end (W.E.) fixed layer and water inlet end fixed layer adopts resin-cast, described resin be epoxy resin,
One kind in polyurethane or silicon rubber body.
Pressure vessel described in described center water producing pipe insertion, described water producing pipe is provided with and described pressure vessel
The pressure adapter of matching.
Described putamina is provided with venthole.
Described original water inlet is two;It is separately positioned on the upper and lower in the left side of described pressure vessel;It is described
Concentrated water outlet be two;It is separately positioned on the upper and lower on the right side of described pressure vessel.
Described pressure vessel is can opening-closing structure.
Present invention additionally comprises a kind of doughnut desalination film device, including multiple described doughnut desalination membrane modules;
The center water producing pipe of described multiple doughnut desalination membrane modules is connected.
Compared with prior art, beneficial effects of the present invention are:
The present invention is made using the desalination membrane cast of hollow fiber form;Relative to rolled film of the prior art, without the need for
Arrange and support filter, it is to avoid component internal supports filter to be easily absorbed in the function on desalination membrane surface under the influence of high operating pressure
In layer, make functional layer form defect, affect the defect of product separation accuracy.Meanwhile, the present invention is adopted and set in central canal periphery wall
Put a plurality of film silk, film silk is internally formed product aquaporin, film silk outside forms concentrated water passage, it is to avoid rolling desalination membrane subassembly product
Inner flow passage is fixed, and is easily polluted in application process and is produced concentration polarization phenomenon, and chemical is due to functional layer
Destructiveness so as to water-filling flushing can only be entered, cleaning performance is poor, and film product military service stability is poor, and service phase is short, causes film to change
In generation, is frequent, the excessive defect of investment, operating cost.
As one kind therein preferably, described putamina is provided with venthole, enables gas of the component in cleaning process
Enough convenient discharges.
As one kind therein preferably, concentrated water opening is arranged on the top and bottom of pressure vessel while opening mode, dense
Water is discharged without dead angle, and discharge efficiency increases.The folding design of pressure vessel can facilitate to enter doughnut desalination membrane component
Row is changed.
Meanwhile, the present invention also provides a kind of doughnut desalination film device, and multiple doughnut desalination membranes can be carried out
Series connection, improves displacement, increases drainage efficiency.
Doughnut desalination membrane module disclosed by the invention has higher contamination resistance and longer service life, and
Alternative costs are low, can work under more severe condition of water quality, and aquifer yield is stable and water quality is excellent, it is adaptable to large reverse osmosis
The pretreatment of desalination system.
Description of the drawings
Fig. 1 is the structural representation of doughnut desalination membrane module of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and most
The present invention is described in further detail for good embodiment.
Embodiment 1:A kind of doughnut desalination membrane module, it is characterised in that including pressure vessel 15 and be placed in described
Pressure vessel in desalination film unit;Described pressure vessel is provided with original water inlet 2 and concentrated water outlet 3;Described original
Water inlet is two;It is separately positioned on the upper and lower in the left side of described pressure vessel;Described concentrated water outlet is two;
It is separately positioned on the upper and lower on the right side of described pressure vessel.Described desalination film unit includes putamina 7, and arranges
Desalination membrane module in described putamina;Described desalination membrane module includes center water producing pipe 13, around being located at described center
The center water inlet pipe 12 of water producing pipe outer circumferential side, a plurality of desalination membrane silk, the Yi Jiyong that are arranged on described center water inlet pipe outer circumferential side
With the water inlet end fixed layer 6 at fixed described desalination membrane silk two ends respectively and product water end (W.E.) fixed layer 10;Film of the present invention
The doughnut reverse osmosis membrane based on Triafol T that silk is prepared for CN01510515838.9;Described water inlet end
Fixed layer is arranged between described center water inlet pipe 12 and described putamina, and described center water inlet pipe is provided with and supplies raw water
The perforate for passing through;The gap entered for raw water is formed between described center water inlet pipe and described center water producing pipe;It is described
Water inlet end fixed layer and described original water inlet between be provided with and prevent the raw water sealing member 5 that passes through of raw water;Described product water end (W.E.)
Fixed layer is arranged between described water producing pipe and described putamina, and described film silk is formed through described product water end (W.E.) fixed layer
The product mouth of a river connected with described center water producing pipe;Described putamina is provided with the outlet 8 with described concentrated water outlet.
The described product mouth of a river is provided with membrane cover part and is connected end cap 9;Described connection end covers and is provided with the opening passed through for center water producing pipe;
Described connecting is provided with product watertight seal 11 between end cap and described confession center water producing pipe.Described center water producing pipe and filter liquor
Outlet 4 is connected.Described film silk is equidistant into circumference centered on central canal or non-equidistance is arranged;Preferably, it is between grade
Away from arrangement.Described product water end (W.E.) fixed layer and water inlet end fixed layer adopts resin-cast, described resin to be epoxy resin, gather
One kind in urethane or silicon rubber body.Pressure vessel 15 described in described center water producing pipe insertion, sets on described water producing pipe
There is the pressure adapter 1 matched with described pressure vessel.Described putamina is provided with venthole 14.Described pressure vessel is
Can opening-closing structure.Present invention additionally comprises a kind of doughnut desalination film device, including multiple described doughnut desalination membrane groups
Part;The center water producing pipe of described multiple doughnut desalination membrane modules is connected.
The present invention operation principle be:Raw water enters doughnut desalination membrane group by the original water inlet 2 of pressure vessel 15
Part, flows through the gap between middle water producing pipe and center water inlet pipe, and by the perforate of center water inlet pipe desalination region is entered;Water inlet
End fixed layer and raw water sealing member 5 can prevent raw water from entering and produce aqua region.Raw water into after desalination region, through film silk
Desalination, produce water and flow out the product mouth of a river as the connection of center water producing pipe via water end (W.E.) fixed layer is produced from the inside of film silk, most
Flow out via filtrate outlet 4 eventually.And concentrated water is then full of in the outside of film silk, flow out via the outlet 8 on putamina, and finally
Discharge via the concentrated water outlet 3 of pressure vessel.
The present invention is made using the desalination membrane cast of hollow fiber form;Relative to rolled film of the prior art, without the need for
Arrange and support filter, it is to avoid component internal supports filter to be easily absorbed in the function on desalination membrane surface under the influence of high operating pressure
In layer, make functional layer form defect, affect the defect of product separation accuracy.Meanwhile, the present invention is adopted and set in central canal periphery wall
Put a plurality of film silk, film silk is internally formed product aquaporin, film silk outside forms concentrated water passage, it is to avoid rolling desalination membrane subassembly product
Inner flow passage is fixed, and is easily polluted in application process and is produced concentration polarization phenomenon, and chemical is due to functional layer
Destructiveness so as to water-filling flushing can only be entered, cleaning performance is poor, and film product military service stability is poor, and service phase is short, causes film to change
In generation, is frequent, the excessive defect of investment, operating cost.
Doughnut desalination membrane module disclosed by the invention has higher contamination resistance and longer service life, and
Alternative costs are low, can work under more severe condition of water quality, and aquifer yield is stable and water quality is excellent, it is adaptable to large reverse osmosis
The pretreatment of desalination system.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of doughnut desalination membrane module, it is characterised in that including pressure vessel and be placed in described pressure vessel
Desalination film unit;Described pressure vessel is provided with original water inlet and concentrated water outlet;
Described desalination film unit includes putamina, and the desalination membrane module being arranged in described putamina;
Described desalination membrane module include center water producing pipe, around be located at described center water producing pipe outer circumferential side center water inlet pipe,
It is arranged on a plurality of desalination membrane silk of described center water inlet pipe outer circumferential side and to fixed described desalination membrane silk two ends respectively
Water inlet end fixed layer and produce water end (W.E.) fixed layer;
Described water inlet end fixed layer is arranged between described center water inlet pipe and described putamina, described center water inlet
Pipe is provided with the perforate passed through for raw water;It is formed with to enter for raw water between described center water inlet pipe and described center water producing pipe
The gap for entering;The raw water sealing member for preventing raw water from passing through is provided between described water inlet end fixed layer and described original water inlet;
The described water end (W.E.) fixed layer that produces is arranged between described center water producing pipe and described putamina, and described film silk passes through institute
The water end (W.E.) fixed layer that produces stated forms the product mouth of a river connected with described center water producing pipe;Described putamina is provided with dense with described
The outlet of water out connection.
2. doughnut desalination membrane module according to claim 1, it is characterised in that during described film silk is with central canal
The heart is equidistant into circumference or non-equidistance is arranged.
3. doughnut desalination membrane module according to claim 1, it is characterised in that described product water end (W.E.) fixed layer and
Water inlet end fixed layer adopts resin-cast, and described resin is the one kind in epoxy resin, polyurethane or silicon rubber body.
4. doughnut desalination membrane module according to claim 1, it is characterised in that described center water producing pipe insertion institute
The pressure vessel stated, described water producing pipe is provided with the pressure adapter matched with described pressure vessel.
5. doughnut desalination membrane module according to claim 1, it is characterised in that described putamina is provided with outlet
Hole.
6. doughnut desalination membrane module according to claim 1, it is characterised in that described original water inlet is two;
It is separately positioned on the upper and lower in the left side of described pressure vessel;Described concentrated water outlet is two;It is separately positioned on institute
The upper and lower on the right side of the pressure vessel stated.
7. doughnut desalination membrane module according to claim 1, it is characterised in that described pressure vessel is for can folding
Structure.
8. a kind of doughnut desalination film device, it is characterised in that including the hollow fibre described in multiple any one of claim 1-7
Dimension desalination membrane module;The center water producing pipe of described multiple doughnut desalination membrane modules is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611188970.4A CN106621819A (en) | 2016-12-21 | 2016-12-21 | Hollow fiber desalination membrane assembly and equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611188970.4A CN106621819A (en) | 2016-12-21 | 2016-12-21 | Hollow fiber desalination membrane assembly and equipment |
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Publication Number | Publication Date |
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CN106621819A true CN106621819A (en) | 2017-05-10 |
Family
ID=58834296
Family Applications (1)
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CN201611188970.4A Pending CN106621819A (en) | 2016-12-21 | 2016-12-21 | Hollow fiber desalination membrane assembly and equipment |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109464913A (en) * | 2018-12-28 | 2019-03-15 | 德蓝水技术股份有限公司 | A kind of doughnut desalination membrane module and equipment for brackish water desalination |
CN112516802A (en) * | 2020-10-30 | 2021-03-19 | 宁波方太厨具有限公司 | Hollow fiber membrane element and method for producing same |
CN114867691A (en) * | 2019-12-25 | 2022-08-05 | 东洋纺株式会社 | Hollow fiber membrane module |
CN115245745A (en) * | 2021-04-28 | 2022-10-28 | 天津膜天膜科技股份有限公司 | Integrated membrane module |
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CN201592061U (en) * | 2010-01-01 | 2010-09-29 | 浙江东洋环境工程有限公司 | Hollow fiber filter membrane module |
CN102049196A (en) * | 2009-10-30 | 2011-05-11 | 苏州优水纳滤膜技术有限公司 | Method for manufacturing nano-filtration membrane filter |
CN202569969U (en) * | 2012-05-10 | 2012-12-05 | 南京九思高科技有限公司 | External pressure type hollow fiber membrane module |
CN204073859U (en) * | 2014-01-08 | 2015-01-07 | 天津工业大学 | A kind of external pressure hollow fiber membrane component |
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CN1072108A (en) * | 1991-11-05 | 1993-05-19 | 普拉塞尔技术有限公司 | Double ended hollow fiber bundle and fluid separation device |
US5938922A (en) * | 1997-08-19 | 1999-08-17 | Celgard Llc | Contactor for degassing liquids |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109464913A (en) * | 2018-12-28 | 2019-03-15 | 德蓝水技术股份有限公司 | A kind of doughnut desalination membrane module and equipment for brackish water desalination |
CN114867691A (en) * | 2019-12-25 | 2022-08-05 | 东洋纺株式会社 | Hollow fiber membrane module |
CN114867691B (en) * | 2019-12-25 | 2023-12-01 | 东洋纺Mc株式会社 | Hollow fiber membrane module and connector |
CN112516802A (en) * | 2020-10-30 | 2021-03-19 | 宁波方太厨具有限公司 | Hollow fiber membrane element and method for producing same |
CN115245745A (en) * | 2021-04-28 | 2022-10-28 | 天津膜天膜科技股份有限公司 | Integrated membrane module |
CN115245745B (en) * | 2021-04-28 | 2023-08-08 | 天津膜天膜科技股份有限公司 | Integrated membrane module |
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Application publication date: 20170510 |