CN203159217U - Spiral wound oxygen enrichment membrane element - Google Patents
Spiral wound oxygen enrichment membrane element Download PDFInfo
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- CN203159217U CN203159217U CN 201320069917 CN201320069917U CN203159217U CN 203159217 U CN203159217 U CN 203159217U CN 201320069917 CN201320069917 CN 201320069917 CN 201320069917 U CN201320069917 U CN 201320069917U CN 203159217 U CN203159217 U CN 203159217U
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- permeable membrane
- oxygen permeable
- oxygen
- spiral wound
- membrane element
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Abstract
The utility model discloses a spiral wound oxygen enrichment membrane element which comprises a center tube and a membrane module, wherein the center tube is a hollow tube with one end closed and one end open; the membrane module is wound on the center tube, and comprises an oxygen enrichment membrane assembly and guide nets; the oxygen enrichment membrane assembly comprises two stacked oxygen enrichment membranes and a separating net positioned between the two oxygen enrichment membranes; the oxygen enrichment membrane assembly and the guide nets are stacked at intervals; and the separating net and the guide nets are provided with air flow channels. The oxygen enrichment membranes with air permeability and the guide nets with the air flow channels are adopted, so that the gas production rate of the membrane element is increased, and the flow loss of the membrane element is reduced.
Description
Technical field
The application is about a kind of membrane type oxygen-enriching device.
Background technology
Polymer embrane method gas delivery is compared Deep Cooling Method, PSA or VPSA method, is the gas separation that new development is got up.Utilize functional polymer that one specific mixed gas is separated or wherein a kind of composition carry out enrichment, as from air, produce different concns oxygen, nitrogen-rich gas, foreign gas such as sour gas removes etc. from contain that the volatile organic gas air separation goes out VOC such as oil gas reclaims, ammonia synthesizing industry is speeded and exit the removing of hydrogen recovery, water in air vapour, Sweet natural gas, the membrane separating technology all demonstrates some special advantage, thereby more and more is subjected to every profession and trade people's attention.
Embrane method gas delivery institute development product form mainly contains three kinds: the one, and hollow-fibre membrane, the 2nd, spiral wound membrane, the 3rd, flat film; Product form depends primarily on macromolecular material to the intrinsic property of separate object, the macromolecular material several respects factors such as embodiment to the Technological Economy of the adaptability of filming technology and the product function of tonic chord.For example, remove steam from air and reduce air dew point, at industrial circle important application is arranged, do instrument wind or braking gas source as pressurized air, need air dew point to be reduced to below-20 ℃, this family macromolecule material has only very few several, very high separation factor is arranged, but permeability is very low, therefore only selects filming technology and the product form of hollow-fibre membrane for use, and the membrane element unit volume just has the Air permenbility of practical significance.
Be used for the rolled film element of gas delivery, this product form depends primarily on is that the cortical material of composite membrane is as separation function.Because the supporter of this composite membrane is microporous membrane or ultra-filtration membrane, and the controllable thickness that is compounded in the functional cortical material on the supporting body surface is built in 0.5-8 μ m, and have the high characteristics of permeability, possessed this characteristics, can adopt rolled film constructed products form generally speaking.The unit surface gas production rate of the film of this form generally exceeds one more than the order of magnitude than hollow-fibre membrane.
The rolling oxygen permeable membrane is used for from the air enriched in oxygen, mainly produces the lower concentration oxygen-rich air, and being used for oxygen-enriched combusting energy-conservation is its main effect; The power consumption that for the running cost that makes the complexes of producing the lower concentration oxygen enrichment is low is equipment is low, and taking negative-pressure operation is main selection, and for this reason, technology namely requires oxygen permeable membrane or film group, must provide a large amount of air to satisfy the needs of producing oxygen-rich air.There were the technical problem that gas production rate is little, loss of flow is big in this type of film of domestic research and development and rolling oxygen permeable membrane in the past.
The utility model content
The utility model provides a kind of rolling oxygen-enriched membrane component that can increase gas production rate and reduce loss of flow.
The utility model provides a kind of spiral wound oxygen permeable membrane element, comprise pipe core and membrane module, described pipe core is the hollow out pipe of end sealing, an end opening, described membrane module is wound on the described pipe core, described membrane module comprises oxygen permeable membrane group and water conservancy diversion net, described oxygen permeable membrane group comprises that two oxygen enrichment diaphragms that stack reach the filter between two described oxygen enrichment diaphragms, and described oxygen permeable membrane group is alternate with the water conservancy diversion net to stack, and described filter and water conservancy diversion net all have air flow channel.
Each oxygen enrichment diaphragm, filter and the water conservancy diversion net of membrane module stack in order.
Described oxygen enrichment diaphragm comprises non-woven fabrics, porous support membrane and for separating of the functional polymer separating layer of oxygen in the air and nitrogen.
Described spiral wound oxygen permeable membrane element also comprises shell, and described shell is positioned at the outermost of described membrane module, is provided with described water conservancy diversion net between described shell and the outermost described oxygen permeable membrane group.
Described air flow channel is the straight channel grid structure.
The material of described shell is glass reinforced plastic or plastic cement.
The material of described pipe core is steel, alloy or hard plastic.
Three limits of each oxygen enrichment diaphragm, filter and the water conservancy diversion net of described membrane module are by the bonding one of tackiness agent, and the flare of described membrane module is towards described pipe core.Because three limits of each diaphragm, filter and water conservancy diversion net are adhesively fixed, form one and have the spirane structure of setting membrane area.
Described oxygen permeable membrane group has two at least.Between two adjacent oxygen permeable membrane groups this water conservancy diversion net is set.
The beneficial effects of the utility model are: by the oxygen enrichment diaphragm that ventilation property is set and the water conservancy diversion net with air flow channel, the gas production rate of single membrane element is increased, reduced the loss of flow of diaphragm element.
Description of drawings
Fig. 1 is the structural representation of present embodiment.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
A kind of spiral wound oxygen permeable membrane element as shown in Figure 1, comprises pipe core 5 and is wound on membrane module 9 on the pipe core 5.Pipe core 5 is the hollow out pipe of end sealing, an end opening, and the hollow out place of pipe core 5 is breather hole 4, and the opening part of pipe core is oxygen enrichment outlet 11.Membrane module 9 comprises shell 6, oxygen permeable membrane group 10 and water conservancy diversion net 3, shell 6 is positioned at the outermost of membrane module 9, oxygen permeable membrane group 10 comprises two oxygen enrichment diaphragms 1 that stack and is located at two filters 2 between the oxygen enrichment diaphragm 1, oxygen permeable membrane group 10 and water conservancy diversion net 3 alternate stacking, and also be provided with this water conservancy diversion net 3 between shell 6 and the outermost oxygen permeable membrane group 10.Pipe core 5 present positions are low-tension side, and outermost shell 6 present positions are the high-tension side with respect to pipe core 5 present positions.
The oxygen enrichment outlet 11 of pipe core can connect vacuum pump, under the negative pressure draft, airborne oxygen molecule and nitrogen molecule see through membrane module 9 from suction side 8 under negative pressure, because membrane module 9 selectively allows oxygen molecule bigger than nitrogen molecule transmitance, result's oxygen concentration in the air that membrane module 9 low pressure one side is collected increases, oxygen-rich air enters in the pipe core 5 by the breather hole 4 of pipe core, and outlet 11 is flowed out along direction shown in the arrow B among Fig. 1 from oxygen enrichment; Then 3 outflows along direction shown in the arrow A among Fig. 1 from the water conservancy diversion net of oxygen-denuded air, finally the end face 12 by membrane module 9 is discharged in the atmosphere.
Water conservancy diversion net 3 and filter 1 can have the straight channel grid structure, effectively reduce the resistance of gas flow.
Shell 6 can be the glass fibre reinforced plastics casing of thickening strip of paper used for sealing or thick matter plastics or being wound in Resins, epoxy and glass fibre.
For spiral wound oxygen permeable membrane element, two oxygen enrichment diaphragms 1 of each oxygen permeable membrane group 10 constitute the structure of a similar pocket after tackiness agent is bonding, this pocket to dehisce towards pipe core 5 (be the dehiscing towards pipe core of whole membrane module, also namely this dehisces to be positioned at the most inboard of whole membrane module), between two adjacent pockets water conservancy diversion net 3 is set.During making, utilize jig dead center pipe 5, stack some oxygen enrichment diaphragms 1, some water conservancy diversion nets 3 and some filters 2 at trawlnet, bonding on three limits with urethane adhesives, behind the tackiness agent curing molding, excision oxygen enrichment diaphragm two ends burr; Drive pipe core 5 and rotate, can finish the making of spiral wound oxygen permeable membrane element.
The diameter of spiral wound oxygen permeable membrane element depends on the thickness sum of oxygen enrichment diaphragm, filter and water conservancy diversion net.Spiral wound oxygen permeable membrane size of component and performance perameter can design as requested, as are of a size of
200 * 1000 ,-0.075MPa, under 25 ℃ of conditions: gas production rate 〉=20Nm
3/ h, oxygen concn 〉=28%.
Spiral wound oxygen permeable membrane element can be used in air separation and produces low concentration oxygen, and this oxygen permeable membrane element is suitable for low voltage operated or negative-pressure operation, the working pressure scope as :-0.05～-0.08MPa.This oxygen permeable membrane element can be used in enriched in oxygen from air, is used for that oxygen-enriched combusting is energy-conservation, VOC reclaims and health-care medical etc.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace.
Claims (8)
1. spiral wound oxygen permeable membrane element, comprise pipe core and membrane module, described pipe core is the hollow out pipe of end sealing, an end opening, described membrane module is wound on the described pipe core, it is characterized in that described membrane module comprises oxygen permeable membrane group and water conservancy diversion net, described oxygen permeable membrane group comprises that two oxygen enrichment diaphragms that stack reach the filter between two described oxygen enrichment diaphragms, described oxygen permeable membrane group is alternate with the water conservancy diversion net to stack, and described filter and water conservancy diversion net all have air flow channel.
2. spiral wound oxygen permeable membrane element as claimed in claim 1 is characterized in that, also comprise shell, described shell is positioned at the outermost of described membrane module, is provided with described water conservancy diversion net between described shell and the outermost described oxygen permeable membrane group.
3. spiral wound oxygen permeable membrane element as claimed in claim 2 is characterized in that, described air flow channel is the straight channel grid structure.
4. spiral wound oxygen permeable membrane element as claimed in claim 1 is characterized in that, the material of described shell is glass reinforced plastic or plastic cement.
5. spiral wound oxygen permeable membrane element as claimed in claim 4 is characterized in that, the material of described pipe core is steel, alloy or hard plastic.
6. spiral wound oxygen permeable membrane element as claimed in claim 1 is characterized in that, described oxygen enrichment diaphragm comprises non-woven fabrics, porous support membrane and for separating of the functional polymer separating layer of oxygen in the air and nitrogen.
7. as any described spiral wound oxygen permeable membrane element among the claim 1-6, it is characterized in that three limits of each oxygen enrichment diaphragm, filter and the water conservancy diversion net of described membrane module are by the bonding one of tackiness agent, the flare of described membrane module is towards described pipe core.
8. spiral wound oxygen permeable membrane element as claimed in claim 7 is characterized in that, described oxygen permeable membrane group has two at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069917 CN203159217U (en) | 2013-02-06 | 2013-02-06 | Spiral wound oxygen enrichment membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069917 CN203159217U (en) | 2013-02-06 | 2013-02-06 | Spiral wound oxygen enrichment membrane element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159217U true CN203159217U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320069917 Expired - Fee Related CN203159217U (en) | 2013-02-06 | 2013-02-06 | Spiral wound oxygen enrichment membrane element |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671212A (en) * | 2015-01-28 | 2015-06-03 | 中物功能材料研究院有限公司 | Preposed supercharging monofilm single-pump oxygen supply equipment |
| CN105935557A (en) * | 2016-06-28 | 2016-09-14 | 深圳中物兴华科技发展有限公司 | Oxygen permeable membrane, oxygen permeable membrane oxygen generator, and oxygen enriched air conditioner |
| CN113491952A (en) * | 2021-09-06 | 2021-10-12 | 山东九章膜技术有限公司 | Rolling process and device for multilayer composite gas separation membrane assembly |
| CN114082310A (en) * | 2022-01-20 | 2022-02-25 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
-
2013
- 2013-02-06 CN CN 201320069917 patent/CN203159217U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671212A (en) * | 2015-01-28 | 2015-06-03 | 中物功能材料研究院有限公司 | Preposed supercharging monofilm single-pump oxygen supply equipment |
| CN105935557A (en) * | 2016-06-28 | 2016-09-14 | 深圳中物兴华科技发展有限公司 | Oxygen permeable membrane, oxygen permeable membrane oxygen generator, and oxygen enriched air conditioner |
| CN113491952A (en) * | 2021-09-06 | 2021-10-12 | 山东九章膜技术有限公司 | Rolling process and device for multilayer composite gas separation membrane assembly |
| CN114082310A (en) * | 2022-01-20 | 2022-02-25 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
| CN114082310B (en) * | 2022-01-20 | 2022-04-19 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
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| 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: 20130828 Termination date: 20150206 |
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| EXPY | Termination of patent right or utility model |