CN109550404A - Separation membrane module and equipment - Google Patents
Separation membrane module and equipment Download PDFInfo
- Publication number
- CN109550404A CN109550404A CN201811588342.4A CN201811588342A CN109550404A CN 109550404 A CN109550404 A CN 109550404A CN 201811588342 A CN201811588342 A CN 201811588342A CN 109550404 A CN109550404 A CN 109550404A
- Authority
- CN
- China
- Prior art keywords
- separating film
- film module
- opening
- collecting pipe
- outlet
- 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
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 28
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- 239000001301 oxygen Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 18
- 238000004378 air conditioning Methods 0.000 description 5
- 231100000597 Sick building syndrome Toxicity 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 208000008842 sick building syndrome Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a separation membrane module and equipment, wherein the separation membrane module comprises: a housing (10) having an inner cavity and an inlet and a first outlet communicating with the inner cavity; a plurality of separation membranes (20) disposed in the inner chamber, each separation membrane (20) having a flow channel; the collecting pipe (30) penetrates through the separation membranes (20) and is provided with a second outlet (31), a plurality of collecting holes (32) are formed in the collecting pipe (30), and the collecting holes (32) are communicated with the flow channels in a one-to-one correspondence mode; the inlet is provided with an opening and closing structure to adjust the flow of the fluid entering the separation membrane component. The technical scheme of the invention adjusts the flow of the fluid entering the separation membrane component through the opening degree or the closing degree of the opening and closing structure, and has simple structure and simple and easy operation.
Description
Technical field
The present invention relates to technical field of electrical equipment, and in particular to a kind of separating film module and equipment.
Background technique
With the rapid development of economy, the functional requirement of household electrical appliance is continuously improved in people.When using air-conditioning, due to sky
It is recycled in gas, after long-time, indoor oxygen concentration is reduced, and under the collective effect of a variety of nonspecific factors, leads to people
Cause Cure of Sick Building Syndrome (sick building syndrome, abbreviation SBS).In order to improve indoor air quality, need
Increase indoor oxygen concentration, in the prior art, installs oxygen-enriched membrane component additional in air-conditioning to increase indoor oxygen concentration, control oxygen-enriched
The gas production of membrane module mainly has following two ways:
The first is the diaphragm quantity changed in oxygen-enriched membrane component, and diaphragm quantity is difficult to adjust after component processes,
It is not easily accomplished.
Second is to change component count, and component is more, not only increases the volume of air-conditioning, it is also necessary to increase dependency structure
It is controlled, structure is more complicated, increases cost.
Summary of the invention
The main purpose of the present invention is to provide a kind of separating film module and equipment, to solve to pass through change in the prior art
The problem that the gas production of the quantity control oxygen-enriched membrane component of oxygen-enriched membrane component causes structure more complicated.
To achieve the above object, the present invention provides a kind of separating film modules, comprising: shell has inner cavity and and inner cavity
The import and first outlet of connection;Multiple seperation films, in the lumen, each seperation film has flow channel for setting;Collecting pipe is worn
It is located in multiple seperation films and is had second outlet, multiple collection holes, multiple collection holes and multiple flowings are offered on collecting pipe
Channel corresponds connection;Entrance is equipped with opening and closing structure, to adjust the flow of the fluid entered in separating film module.
Further, opening and closing structure is moveable opening-closing plate.
Further, opening and closing structure is the opening-closing plate for being articulated in the side of import.
Further, separating film module further includes the driving portion being drivingly connected with opening-closing plate.
Further, one end of collecting pipe is closed end, and the other end of collecting pipe is open end, and open end forms second and goes out
Mouthful.
Further, seperation film is gas separation membrane, and collecting pipe is gas collecting tube.
Further, separating film module further includes being set on collecting pipe and being arranged between two adjacent seperation films
Sealing ring.
Further, import and first outlet are oppositely arranged, and the axis of collecting pipe goes out perpendicular to the center of import and first
The line at the center of mouth.
Further, each seperation film includes two diaphragms being oppositely arranged and the filter being arranged between two diaphragms,
The outer side seal connection of two diaphragms.
The present invention also provides a kind of equipment, including separating film module, separating film module is above-mentioned separating film module.
Technical solution of the present invention has the advantages that entrance is equipped with opening and closing structure, passes through the opening degree of opening and closing structure
Or the flow that degree adjusts the fluid entered in separating film module is closed, and then control the utilization rate of seperation film, reach control point
Flow from the fluid that membrane module is isolated, above structure is simple, and operation is simple.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the simple schematic diagram of separating film module provided by the invention;
Fig. 2 shows the simple schematic diagrames of the seperation film of the separating film module of Fig. 1.
Description of symbols:
10, shell;20, seperation film;21, diaphragm;22, filter;23, glue is sealed;30, collecting pipe;31, second outlet;
32, hole is collected;33, closed end;40, opening-closing plate;50, sealing ring.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As shown in Figure 1, the separating film module of the present embodiment includes: shell 10, multiple seperation films 20 and collecting pipe 30, shell
10 with inner cavity and the import and first outlet that are connected to inner cavity;Multiple seperation films 20 are arranged in the lumen, each seperation film 20
With flow channel;Collecting pipe 30 is threaded through in multiple seperation films 20 and has second outlet 31, offers on collecting pipe 30 more
A collection hole 32, multiple collection holes 32 are connected to multiple flow channels one-to-one correspondence;Entrance be equipped with opening and closing structure, with adjust into
Enter the flow of the fluid in separating film module.
Using the separating film module of the present embodiment, entrance is equipped with opening and closing structure, by the opening degree of opening and closing structure or
Closing degree adjusts the flow of the fluid entered in separating film module, and then controls the utilization rate of seperation film, reaches control separation
The flow for the fluid that membrane module is isolated, above structure is simple, and operation is simple.
In the present embodiment, opening and closing structure is moveable opening-closing plate 40, and the folding of import is controlled by mobile opening-closing plate
Degree, since the opening and closing degree of opening-closing plate and the utilization of seperation film are positively correlated, open bigger, the seperation film utilization of opening-closing plate
It is bigger, to control the flow into the fluid in separating film module, and the structure of opening-closing plate is also simpler, operates simpler
Easily.
In the present embodiment, separating film module further includes the driving portion being drivingly connected with opening-closing plate 40, just by driving portion
In driving opening-closing plate movement.Specifically, driving portion can be manual actuation portion or electric driving part, and then by manual operation or
Automatically controlled mode realizes the movement of opening-closing plate.
In the present embodiment, one end of collecting pipe 30 is closed end 33, and the other end of collecting pipe 30 is open end, open end
Second outlet 31 is formed, the structure of collecting pipe 30 is simple, and then simplifies overall structure.
In the present embodiment, seperation film 20 is gas separation membrane, and collecting pipe 30 is gas collecting tube, and import at this time is air inlet,
First outlet is exhaust outlet, and second outlet 31 is gas outlet, and collection hole 32 is gas collection hole, and ambient atmos enter gas by air inlet
Separating film module, the comparatively faster gas of permeability preferentially penetrate gas separation membrane and enter flow channel, using gas collection hole into
Enter gas collecting tube, is flowed out finally by gas outlet, at the same time, the comparatively faster gas of permeability is trapped in outside gas separation membrane,
It is flowed out by exhaust outlet, realizes gas separation, and then can control the air inlet area of air inlet, control by mobile opening-closing plate
The utilization rate of seperation film reaches the target of control gas production, also, structure is relatively simpler, operates eased.Specifically,
Gas separation membrane is oxygen permeable membrane, and separating film module is oxygen-enriched membrane component at this time, and oxygen preferentially penetrates oxygen permeable membrane and is enriched with, remaining
Gas is then flowed out by exhaust outlet.
In the present embodiment, the closed end 33 of collecting pipe 30 keeps sealing, and the open end of collecting pipe 30 is controlled to a vacuum pump,
It is realized under the action of vacuum pump and collects oxygen.
In the present embodiment, separating film module further includes being set on collecting pipe 30 and being arranged in two adjacent seperation films
Sealing ring 50 between 20, sealing ring 50 can improve sealing performance with the gap between hermetic separation film 20 and collecting pipe 30.
In the present embodiment, import and first outlet are oppositely arranged, the axis of collecting pipe 30 perpendicular to import center and
The line at the center of first outlet flows out convenient for exhaust gas.
In the present embodiment, as depicted in figs. 1 and 2, each seperation film 20 includes two diaphragms 21 being oppositely arranged and sets
The filter 22 between two diaphragms 21 is set, the outer side seal of two diaphragms 21 connects, and the structure of seperation film is simple.Specifically,
Outwardly, inwardly, the middle part of diaphragm 21 and filter 22 is cut into be worn the supporting layer of diaphragm 21 functional layer of diaphragm 21 for collecting pipe
Hole.The shape of diaphragm 21 can be round or rectangular etc..The outside of two diaphragms 21 is sealed by sealing glue 23.Certainly,
The outside of two diaphragms can also pass through hot sealing.
As interchangeable embodiment, opening and closing structure is the opening-closing plate for being articulated in the side of import.
The present invention also provides a kind of equipment, including separating film module, separating film module is above-mentioned separating film module.Tool
Body, when separating film module is gas separation membrane module, equipment can be air-conditioning, refrigerator etc..When equipment is air-conditioning, seperation film
Component is oxygen-enriched membrane component, and the oxygen enriched air producing of oxygen-enriched membrane component is adjusted by controlling the air inlet area of air inlet of oxygen-enriched membrane component
Amount, and then oxygen concentration in control room, and compared with the existing technology in multicomponent combination control gas production, it is single to pass through control
The structure of the air inflow of one component is relatively simpler, operates eased.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of separating film module, comprising:
Shell (10) has inner cavity and import in communication with the inner cavity and first outlet;
Multiple seperation films (20) are arranged in the inner cavity, and each seperation film (20) has flow channel;
Collecting pipe (30) is threaded through on multiple seperation films (20) and has second outlet (31), on the collecting pipe (30)
Multiple collection holes (32) are offered, multiple collection holes (32) are connected to multiple flow channel one-to-one correspondence;
It is characterized in that,
The entrance is equipped with opening and closing structure, to adjust the flow of the fluid entered in the separating film module.
2. separating film module according to claim 1, which is characterized in that the opening and closing structure is moveable opening-closing plate
(40)。
3. separating film module according to claim 1, which is characterized in that the opening and closing structure is to be articulated in the import
The opening-closing plate (40) of side.
4. separating film module according to claim 2 or 3, which is characterized in that the separating film module further include with it is described
The driving portion that opening-closing plate (40) is drivingly connected.
5. separating film module according to claim 1, which is characterized in that one end of the collecting pipe (30) is closed end
(33), the other end of the collecting pipe (30) is open end, and the open end forms the second outlet (31).
6. separating film module according to claim 1, which is characterized in that the seperation film (20) is gas separation membrane, institute
Stating collecting pipe (30) is gas collecting tube.
7. separating film module according to claim 1, which is characterized in that the separating film module further include be set in it is described
On collecting pipe (30) and the sealing ring (50) that is arranged between the seperation film (20) of adjacent two.
8. separating film module according to claim 1, which is characterized in that the import and the first outlet are set relatively
It sets, the line of the axis of the collecting pipe (30) perpendicular to the center of the import and the center of the first outlet.
9. separating film module according to claim 1, which is characterized in that each seperation film (20) includes being oppositely arranged
Two diaphragms (21) and filter (22) between two diaphragms (21) is set, the outside of two diaphragms (21) is close
Envelope connection.
10. a kind of equipment, including separating film module, which is characterized in that the separating film module is any in claim 1 to 9
Separating film module described in.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811588342.4A CN109550404A (en) | 2018-12-24 | 2018-12-24 | Separation membrane module and equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811588342.4A CN109550404A (en) | 2018-12-24 | 2018-12-24 | Separation membrane module and equipment |
Publications (1)
Publication Number | Publication Date |
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CN109550404A true CN109550404A (en) | 2019-04-02 |
Family
ID=65871129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811588342.4A Pending CN109550404A (en) | 2018-12-24 | 2018-12-24 | Separation membrane module and equipment |
Country Status (1)
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CN (1) | CN109550404A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115920644A (en) * | 2023-02-21 | 2023-04-07 | 天津凯莱英医药科技发展有限公司 | Flat membrane filtering component |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN101367023A (en) * | 2007-08-14 | 2009-02-18 | 气体产品与化学公司 | Liners for ion transport membrane systems |
CN102527245A (en) * | 2010-12-23 | 2012-07-04 | 新奥科技发展有限公司 | Device, system and method for testing separation performance of membrane |
CN205886548U (en) * | 2016-07-29 | 2017-01-18 | 成都荣腾科技发展有限公司 | Integrated form gas separation membrane group |
CN106861452A (en) * | 2017-03-01 | 2017-06-20 | 杭州瑞裕通膜技术有限公司 | Membrane module, the hydrogen gas recovering device based on membrane module and Hydrogen Separation method |
CN209735358U (en) * | 2018-12-24 | 2019-12-06 | 珠海格力电器股份有限公司 | Separation membrane module and equipment |
-
2018
- 2018-12-24 CN CN201811588342.4A patent/CN109550404A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101367023A (en) * | 2007-08-14 | 2009-02-18 | 气体产品与化学公司 | Liners for ion transport membrane systems |
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 |
CN102527245A (en) * | 2010-12-23 | 2012-07-04 | 新奥科技发展有限公司 | Device, system and method for testing separation performance of membrane |
CN205886548U (en) * | 2016-07-29 | 2017-01-18 | 成都荣腾科技发展有限公司 | Integrated form gas separation membrane group |
CN106861452A (en) * | 2017-03-01 | 2017-06-20 | 杭州瑞裕通膜技术有限公司 | Membrane module, the hydrogen gas recovering device based on membrane module and Hydrogen Separation method |
CN209735358U (en) * | 2018-12-24 | 2019-12-06 | 珠海格力电器股份有限公司 | Separation membrane module and equipment |
Non-Patent Citations (3)
Title |
---|
"膜分离的工程与应用", 28 February 2006, 中国轻工业出版社, pages: 39 - 41 * |
王湛等主编: "膜分离技术基础", 31 August 2006, 化学工业出版社, pages: 132 - 134 * |
藏雨等编著: "气体分离膜材料科学", 31 January 2017, 哈尔滨工业大学出版社, pages: 233 - 237 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115920644A (en) * | 2023-02-21 | 2023-04-07 | 天津凯莱英医药科技发展有限公司 | Flat membrane filtering component |
CN115920644B (en) * | 2023-02-21 | 2023-07-18 | 天津凯莱英医药科技发展有限公司 | Flat membrane filter assembly |
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