CN113426255A - Plate-type membrane module unit, plate-type membrane module and assembling method thereof - Google Patents
Plate-type membrane module unit, plate-type membrane module and assembling method thereof Download PDFInfo
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- CN113426255A CN113426255A CN202110749314.1A CN202110749314A CN113426255A CN 113426255 A CN113426255 A CN 113426255A CN 202110749314 A CN202110749314 A CN 202110749314A CN 113426255 A CN113426255 A CN 113426255A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
- B01D2053/222—Devices with plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a plate-type membrane component unit, a plate-type membrane component and an assembling method thereof, wherein the component unit comprises: the middle part of the flow baffle is provided with a central hole; the position of the flow baffle, which is close to the central hole, is provided with a mounting hole; the flow baffle is provided with a first notch; the connecting mechanism comprises an upright post and an elastic buckle; the three flow baffles are connected by the upright post through the mounting hole; the three flow baffles are respectively positioned at the two ends and the middle part of the upright post, and the first cut openings of the flow baffles positioned at the two ends of the upright post are positioned at the same side; the first cut of the flow baffle plate positioned in the middle of the upright post is positioned on one side, opposite to the first cut of the flow baffle plate, of the two ends of the upright post; the two opposite sides of the permeable membrane are provided with second notches; the permeable membranes are arranged between the flow baffle plates layer by layer, and the second cut is opposite to the first cut. The membrane assembly changes the assembly mode of the existing membrane, and the membrane layer is placed in a plane by combining with the flow baffle, so that S-shaped movement of oil gas in a membrane module unit is realized, and compared with a roll-type membrane, the membrane assembly has higher separation efficiency and smaller membrane consumption.
Description
Technical Field
The invention relates to the technical field of oil gas recovery, in particular to a plate-type membrane component unit, a plate-type membrane component and an assembling method thereof.
Background
VOCs (VOlatile organic Compounds) are defined as various organic compounds having a boiling point of 50 ℃ to 260 ℃ at ambient temperature. According to the chemical structure, the method can be further divided into: alkanes, aromatic hydrocarbons, esters, aldehydes, and others. More than 300 identified at present are common pollutants, and with the aggravation of pollution and the increase of environmental protection, the emission standard of organic gases in various industries is gradually improved and strictly checked and controlled, and meanwhile, the organic gases have important value and must be recycled, so that the development of a proper technology for separating, recovering and eliminating the pollution is necessary.
At present, the treatment of VOCs is mainly classified into three types, namely physical technology, chemical technology and biological technology, wherein the physical technology further comprises cryogenic technology (utilizing liquid nitrogen for condensation), adsorption technology (comprising activated carbon adsorption, rotating wheel adsorption and the like), and membrane technology (gas permeable membrane technology); the chemical techniques further include combustion techniques (direct combustion, low temperature catalysis, high temperature catalysis), plasma decomposition (plasma beam decomposition), ultraviolet photolysis (specific wavelength ultraviolet under photocatalyst), and thermocatalytic decomposition; while biotechnology generally can only treat organics that can be completely degraded biologically. Among them, the membrane technology has many advantages such as low operation cost, high security, small floor area, high separation efficiency, cleanness and environmental protection, and thus is most widely used, for example, in the petroleum and petrochemical industry: recovering light hydrocarbon from a mine, exhausting and recovering gas from an oil depot, exhausting and recovering gas from a gas station, recovering process tail gas from an oil refinery and the like; the pharmaceutical industry: recovery of various solvents; chemical industry: the storage tank area exhausts and recovers gases in various processes; food industry: recovery of various solvents; food additive industry: recovery of various solvents; printing and dyeing industry: recovery of various solvents, and paint industry: recovery of various thin materials, and the like.
The principle of membrane technology separation is to realize the physical separation of oil gas molecules and air molecules by utilizing different selective permeabilities of a high-molecular membrane material to the oil gas molecules and the air molecules. The current common use is roll type membrane separation technology, wherein a single-layer membrane material consists of a membrane, an upper separation net, a lower separation net and a flow guide net, the whole membrane module is formed by rolling the single-layer membrane material on a perforated central pipe, air enters the membrane module from one end of the module, exhaust gas flows out of the membrane module from a membrane gap at the other end after the permeation action of the membrane layer, and the permeated concentrated steam is discharged from the other end of the central pipe. However, the rolled membrane also has some drawbacks, for example, the amount of the membrane used is large, the separation efficiency is not outstanding enough, and the like.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a plate-type membrane module unit, which changes the assembly mode of the existing membrane, realizes S-shaped movement of oil gas in the membrane module unit by combining a flow baffle plate and placing a membrane layer plane, and has higher separation efficiency and smaller membrane consumption compared with a roll-type membrane.
To achieve these objects and other advantages in accordance with the present invention, there is provided a plate-type membrane module unit comprising:
the flow baffle is annularly provided with a central hole in the middle; the position of the flow baffle, which is close to the central hole, is provided with a mounting hole; the flow baffle is provided with a first notch;
the connecting mechanism comprises an upright post and an elastic buckle; the upright post penetrates through the mounting hole to connect the three flow baffles together; the three flow baffles are respectively positioned at the two ends and the middle part of the upright post, and the first cut of the flow baffles positioned at the two ends of the upright post are positioned at the same side; the first cut of the flow baffle plate positioned in the middle of the upright post is positioned on one side, opposite to the first cut of the flow baffle plate positioned at the two ends of the upright post; the elastic buckles are clamped on the end surfaces of the flow baffles at the two ends of the upright post, which are contacted with the upright post;
the middle part of the permeable membrane is provided with a through hole, and two opposite sides of the permeable membrane are respectively provided with a second notch; the permeable membranes are arranged in gaps between adjacent flow baffle plates layer by layer, and the second cut and the first cut face towards the same side.
Preferably, in the plate-type membrane module unit, a sealing gasket is sleeved on the upright post between the adjacent baffle plates.
Preferably, in the plate-type membrane module unit, the outer edges of the flow baffle except the first cut are provided with sealing strips fastened to the edges of the flow baffle.
Preferably, in the plate-type membrane module unit, a layer of net-shaped separation net is arranged between two adjacent permeable membranes.
A plate membrane module consisting of plate membrane module units as described above, comprising:
the shell is a hollow device, two ends of the shell are respectively provided with an air inlet and an air outlet; the top end of the shell is provided with a concentrated gas outlet; the plate-type membrane assembly is arranged in the shell, the outer edge of the flow baffle abuts against the inner wall of the shell, and the central hole is connected with the concentrated gas outlet;
wherein the air inlet and the air outlet of the housing are respectively disposed corresponding to the positions of the first slits.
Preferably, in the plate-type membrane module, a plurality of plate-type membrane modules are sequentially arranged in the housing, and the installation directions of the plate-type membrane modules are the same; and adjacent plate-type membrane assemblies are in sealing connection through sealing rings arranged around the central holes of the flow baffle plates at the two ends of the upright post.
Preferably, in the plate-type membrane module, the plurality of housings are connected in series; openings are respectively arranged at two ends of the shell positioned in the middle, and connecting flanges are arranged at the opening ends; the adjacent shells are connected with each other through the connecting flange; the top end and the bottom end of the shell at the two ends are respectively provided with the concentrated gas outlet and the seal.
A method of assembling a membrane module in plate form, comprising the steps of:
s1, after the upright posts penetrate through the mounting holes on the first flow baffle plate, the bottom ends of the upright posts are fixed outside the lower surface of the first flow baffle plate by using the elastic buckles;
s2, paving permeable membranes and separation nets on the first flow baffle layer by layer in an alternating mode; after the thickness of a filter layer formed by the permeable membrane and the separation net meets the requirement, sleeving a sealing gasket on the upright column until the thickness is at least the same as that of the filter layer; placing a second flow baffle on the permeable membrane at the top layer in a manner that the first cut direction is opposite to the flow baffle at the lower layer, and enabling the upright post to penetrate through the mounting hole of the second flow baffle;
s3, laying permeable membranes and partition nets on the second flow baffle layer by layer in an alternating mode to a required thickness, and sleeving sealing gaskets on the stand columns to a thickness at least equal to the thickness formed by the permeable membranes and the partition nets; placing a third flow baffle on the permeable membrane at the top layer in a manner that the first incision direction is opposite to the second flow baffle, and enabling the upright post to penetrate through the mounting hole of the third flow baffle;
s4, fixing the top ends of the upright posts outside the upper surface of the third flow baffle by using elastic buckles, and then installing sealing strips on the outer edges of the flow baffles except the first cut, thereby completing the assembly of the plate-type membrane assembly unit;
and S5, sequentially placing the plate type membrane assembly units and the sealing rings in the shell in an alternating mode, keeping the installation directions of the plate type membrane assembly units the same, respectively corresponding the first incision directions of the plate type membrane assembly units at the two ends of the shell to the air outlet and the air inlet of the shell, and then sealing the two ends of the shell, namely completing the assembly of the plate type membrane assembly.
The invention at least comprises the following beneficial effects:
the plate-type membrane component unit comprises the flow baffle, the connecting mechanism and the permeable membrane, wherein the cut on the flow baffle is arranged, so that after the permeable membrane is arranged between the flow baffle in a plane manner, gas can only move in an S shape along the permeable membrane passage under the limitation of the flow baffle, the length of a movement path of the gas in the permeable membrane is increased, the oil-gas separation efficiency is higher, and under the same treatment capacity, the plate-type membrane component unit has smaller dosage compared with a roll-type membrane, so that the cost is effectively controlled.
The plate-type membrane component unit is simple in structure, convenient to process and produce, low in maintenance cost, long in service life and suitable for large-scale popularization and use.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front cross-sectional view of a plate membrane module unit according to the present invention;
FIG. 2 is a top view structural view of a plate membrane module unit according to the present invention;
FIG. 3 is a cross-sectional structural view of a plate-type membrane module according to the present invention;
FIG. 4 is a schematic view of gas flow distribution within a plate membrane module according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, the present invention provides a plate-type membrane module unit comprising:
the flow baffle 1 is annularly provided with a central hole 2 in the middle; the position of the flow baffle 1 close to the central hole 2 is provided with a mounting hole; the flow baffle 1 is provided with a first cut 3;
the connecting mechanism comprises an upright post 4 and an elastic buckle 5; the upright post 4 penetrates through the mounting hole to connect the three flow baffles 1 together; the three flow baffles 1 are respectively positioned at two ends and the middle part of the upright post 4, and the first cut-outs 3 of the flow baffles 1 positioned at the two ends of the upright post 4 are positioned at the same side; the first cut 3 of the flow baffle 1 positioned in the middle of the upright column 4 is positioned at one side opposite to the first cut 3 of the flow baffle 1 at the two ends of the upright column 4; the elastic buckles 5 are clamped on the end surfaces of the flow baffle plates 1 at the two ends of the upright post 4, which are in contact with the upright post 4;
the middle part of the permeable membrane 6 is provided with a through hole, and two opposite sides of the permeable membrane are respectively provided with a second notch 7; the permeable membranes 6 are arranged in the gaps between the adjacent flow baffle plates 1 layer by layer, and the second cut 7 and the first cut 3 face to the same side.
In the scheme, the plate-type membrane module unit consists of the flow baffle plate, the connecting mechanism and the permeable membrane, the assembly mode of the existing membrane layer is changed, wherein the notch on the flow baffle plate is arranged, so that after the permeable membrane is arranged between the flow baffle plates in a plane manner, gas can only move in an S shape along the permeable membrane passage under the limitation of the flow baffle plate, the length of a movement path of the gas in the permeable membrane is increased, the oil-gas separation efficiency is higher, and under the same treatment capacity, the use amount of the plate-type membrane module unit is smaller than that of a roll-type membrane, so that the cost is effectively controlled.
The plate-type membrane component unit is simple in structure, convenient to process and produce, low in maintenance cost, long in service life and suitable for large-scale popularization and use.
In a preferable scheme, a sealing gasket 8 is sleeved on the upright post 4 between the adjacent flow baffle plates 1.
In the scheme, the permeable membranes between the flow baffle plates are tightly and seamlessly connected through the sealing gaskets on the stand columns between the flow baffle plates, so that untreated gas is prevented from leaking from gaps between the flow baffle plates, and the oil-gas treatment effect is improved.
In a preferable scheme, the flow baffle 1 is provided with a sealing strip 9 fastened on the edge of the flow baffle 1 except the outer edge of the first cut 3.
In the scheme, the sealing strips are arranged, so that the plate-type membrane module unit is tightly connected with the shell when in use, gas is prevented from leaking from the gap, and the oil gas treatment effect is further improved.
In a preferable scheme, a layer of net-shaped separation net is arranged between two adjacent permeable membranes 6.
In the above scheme, the arrangement of the separation net of the permeation net ensures that the gas is more uniformly distributed between the permeation membranes, thereby being beneficial to the permeation treatment of the gas.
As shown in fig. 3 and 4, a plate membrane module composed of the plate membrane module units as described above comprises:
a housing 10 having a hollow structure with an air inlet 11 and an air outlet 12 at both ends thereof; the top end of the shell 10 is provided with a concentrated gas outlet 13; the plate-type membrane assembly 14 is arranged inside the shell 10, the outer edge of the flow baffle 1 abuts against the inner wall of the shell 10, and the central hole 2 is connected with the concentrated gas 13 outlet;
wherein the air inlet 11 and the air outlet 12 of the housing 10 are respectively disposed corresponding to the positions of the first slits 3.
In the above scheme, the principle of gas treatment in the plate-type membrane module is as follows: the gas is introduced into the shell from the gas inlet of the shell, the gas inlet corresponds to the first cut of the plate-type membrane component unit, the flow blocking plate in the middle of the plate-type membrane component unit is abutted against the edge of the shell, so that the gas can only enter the permeation membrane from the first cut and circulate, the permeation membrane adsorbs the gas, the gas treatment is completed, the treated gas is discharged from the gas outlet, the concentrated gas can be adsorbed out from the permeation membrane through the connection of the concentrated gas outlet and the vacuum pump, and then the concentrated gas is recycled.
In a preferred embodiment, a plurality of plate-type membrane modules 14 are sequentially arranged in the casing 10, and the installation directions of the plate-type membrane modules 14 are the same; the adjacent plate-type membrane assemblies 14 are connected in a sealing way through sealing rings 15 arranged around the central holes 2 of the flow baffle plates 1 at the two ends of the upright post 4.
In the above scheme, connect a plurality of plate-type membrane subassemblies in order syntropy inside the casing through the sealing washer for gaseous back of getting into by the air inlet can be the motion in the casing of S-shaped, thereby makes the moving path of gaseous in the infiltration membrane show and increases, has effectively improved gaseous treatment effeciency.
In a preferred embodiment, a plurality of the housings 10 are connected in series; two ends of the shell 10 positioned in the middle are respectively provided with an opening, and the opening ends are provided with connecting flanges 16; adjacent housings 10 are connected to each other by the connecting flange 16; the top end and the bottom end of the shell 10 at the two ends are respectively provided with the concentrated gas outlet 13 and sealed.
In the scheme, through the sequential connection of the plurality of shells, more plate-type membrane module units can be connected, so that continuous and efficient treatment of a large amount of gas is realized, flexible assembly and design of the modules can be performed according to the treatment requirements of the gas, and the use flexibility is met. Meanwhile, the shells are connected through the connecting flange, so that the connection is more convenient and labor-saving, and the assembly is more convenient to use.
A method of assembling a membrane module in plate form, comprising the steps of:
s1, after the upright posts penetrate through the mounting holes on the first flow baffle plate, the bottom ends of the upright posts are fixed outside the lower surface of the first flow baffle plate by using the elastic buckles;
s2, paving permeable membranes and separation nets on the first flow baffle layer by layer in an alternating mode; after the thickness of a filter layer formed by the permeable membrane and the separation net meets the requirement, sleeving a sealing gasket on the upright column until the thickness is at least the same as that of the filter layer; placing a second flow baffle on the permeable membrane at the top layer in a manner that the first cut direction is opposite to the flow baffle at the lower layer, and enabling the upright post to penetrate through the mounting hole of the second flow baffle;
s3, laying permeable membranes and partition nets on the second flow baffle layer by layer in an alternating mode to a required thickness, and sleeving sealing gaskets on the stand columns to a thickness at least equal to the thickness formed by the permeable membranes and the partition nets; placing a third flow baffle on the permeable membrane at the top layer in a manner that the first incision direction is opposite to the second flow baffle, and enabling the upright post to penetrate through the mounting hole of the third flow baffle;
s4, fixing the top ends of the upright posts outside the upper surface of the third flow baffle by using elastic buckles, and then installing sealing strips on the outer edges of the flow baffles except the first cut, thereby completing the assembly of the plate-type membrane assembly unit;
and S5, sequentially placing the plate type membrane assembly units and the sealing rings in the shell in an alternating mode, keeping the installation directions of the plate type membrane assembly units the same, respectively corresponding the first incision directions of the plate type membrane assembly units at the two ends of the shell to the air outlet and the air inlet of the shell, and then sealing the two ends of the shell, namely completing the assembly of the plate type membrane assembly.
In the scheme, the assembling method of the plate-type membrane module is simple and easy to implement, so that the production cost of the module is low, and meanwhile, the produced module has a better gas treatment effect.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A plate-type membrane module unit, comprising:
the flow baffle is annularly provided with a central hole in the middle; the position of the flow baffle, which is close to the central hole, is provided with a mounting hole; the flow baffle is provided with a first notch;
the connecting mechanism comprises an upright post and an elastic buckle; the upright post penetrates through the mounting hole to connect the three flow baffles together; the three flow baffles are respectively positioned at the two ends and the middle part of the upright post, and the first cut of the flow baffles positioned at the two ends of the upright post are positioned at the same side; the first cut of the flow baffle plate positioned in the middle of the upright post is positioned on one side, opposite to the first cut of the flow baffle plate positioned at the two ends of the upright post; the elastic buckles are clamped on the end surfaces of the flow baffles at the two ends of the upright post, which are contacted with the upright post;
the middle part of the permeable membrane is provided with a through hole, and two opposite sides of the permeable membrane are respectively provided with a second notch; the permeable membranes are arranged in gaps between adjacent flow baffle plates layer by layer, and the second cut and the first cut face towards the same side.
2. The plate-type membrane module unit according to claim 1, wherein a sealing gasket is sleeved on the upright post between the adjacent baffle plates.
3. The plate membrane module unit of claim 1, wherein the outer edges of the baffle plates except the first cut-out are provided with sealing strips which are buckled on the edges of the baffle plates.
4. The plate-type membrane module unit of claim 1, wherein a net-shaped spacer net is arranged between two adjacent permeable membranes.
5. A plate membrane module consisting of a plate membrane module unit according to any one of claims 1-4, comprising:
the shell is a hollow device, two ends of the shell are respectively provided with an air inlet and an air outlet; the top end of the shell is provided with a concentrated gas outlet; the plate-type membrane assembly is arranged in the shell, the outer edge of the flow baffle abuts against the inner wall of the shell, and the central hole is connected with the concentrated gas outlet;
wherein the air inlet and the air outlet of the housing are respectively disposed corresponding to the positions of the first slits.
6. The plate-type membrane assembly of claim 5, wherein a plurality of plate-type membrane assemblies are arranged in sequence in the shell, and the installation direction of each plate-type membrane assembly is the same; and adjacent plate-type membrane assemblies are in sealing connection through sealing rings arranged around the central holes of the flow baffle plates at the two ends of the upright post.
7. The plate membrane assembly of claim 6 wherein a plurality of said housings are connected in series; openings are respectively arranged at two ends of the shell positioned in the middle, and connecting flanges are arranged at the opening ends; the adjacent shells are connected with each other through the connecting flange; the top end and the bottom end of the shell at the two ends are respectively provided with the concentrated gas outlet and the seal.
8. A method of assembling a membrane module in sheet form, comprising the steps of:
s1, after the upright posts penetrate through the mounting holes on the first flow baffle plate, the bottom ends of the upright posts are fixed outside the lower surface of the first flow baffle plate by using the elastic buckles;
s2, paving permeable membranes and separation nets on the first flow baffle layer by layer in an alternating mode; after the thickness of a filter layer formed by the permeable membrane and the separation net meets the requirement, sleeving a sealing gasket on the upright column until the thickness is at least the same as that of the filter layer; placing a second flow baffle on the permeable membrane at the top layer in a manner that the first cut direction is opposite to the flow baffle at the lower layer, and enabling the upright post to penetrate through the mounting hole of the second flow baffle;
s3, laying permeable membranes and partition nets on the second flow baffle layer by layer in an alternating mode to a required thickness, and sleeving sealing gaskets on the stand columns to a thickness at least equal to the thickness formed by the permeable membranes and the partition nets; placing a third flow baffle on the permeable membrane at the top layer in a manner that the first incision direction is opposite to the second flow baffle, and enabling the upright post to penetrate through the mounting hole of the third flow baffle;
s4, fixing the top ends of the upright posts outside the upper surface of the third flow baffle by using elastic buckles, and then installing sealing strips on the outer edges of the flow baffles except the first cut, thereby completing the assembly of the plate-type membrane assembly unit;
and S5, sequentially placing the plate type membrane assembly units and the sealing rings in the shell in an alternating mode, keeping the installation directions of the plate type membrane assembly units the same, respectively corresponding the first incision directions of the plate type membrane assembly units at the two ends of the shell to the air outlet and the air inlet of the shell, and then sealing the two ends of the shell, namely completing the assembly of the plate type membrane assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749314.1A CN113426255A (en) | 2021-07-01 | 2021-07-01 | Plate-type membrane module unit, plate-type membrane module and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749314.1A CN113426255A (en) | 2021-07-01 | 2021-07-01 | Plate-type membrane module unit, plate-type membrane module and assembling method thereof |
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| CN113426255A true CN113426255A (en) | 2021-09-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423575A (en) * | 2000-03-03 | 2003-06-11 | 邓·库斯珀特 | Gas recovery device |
| CN201164794Y (en) * | 2008-02-28 | 2008-12-17 | 大连欧科膜技术工程有限公司 | Laminated gas separation film assembly |
| CN102512965A (en) * | 2012-01-04 | 2012-06-27 | 中膜科技(苏州)有限公司 | Spiral-wound automotive permeable membrane module and preparation method thereof |
| US20120304856A1 (en) * | 2010-11-04 | 2012-12-06 | Ube Industries, Ltd. | Gas separation membrane module and gas separation method |
| CN207520868U (en) * | 2017-10-20 | 2018-06-22 | 大连欧科膜技术工程有限公司 | Laminated gas separation film component and its shell structure |
| CN110882610A (en) * | 2020-01-06 | 2020-03-17 | 瓮福（集团）有限责任公司 | Gas membrane separation device |
-
2021
- 2021-07-01 CN CN202110749314.1A patent/CN113426255A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423575A (en) * | 2000-03-03 | 2003-06-11 | 邓·库斯珀特 | Gas recovery device |
| CN201164794Y (en) * | 2008-02-28 | 2008-12-17 | 大连欧科膜技术工程有限公司 | Laminated gas separation film assembly |
| US20120304856A1 (en) * | 2010-11-04 | 2012-12-06 | Ube Industries, Ltd. | Gas separation membrane module and gas separation method |
| CN102512965A (en) * | 2012-01-04 | 2012-06-27 | 中膜科技(苏州)有限公司 | Spiral-wound automotive permeable membrane module and preparation method thereof |
| CN207520868U (en) * | 2017-10-20 | 2018-06-22 | 大连欧科膜技术工程有限公司 | Laminated gas separation film component and its shell structure |
| CN110882610A (en) * | 2020-01-06 | 2020-03-17 | 瓮福（集团）有限责任公司 | Gas membrane separation device |
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Application publication date: 20210924 |