CN103521043A - Polymeric membrane type air dryer for vehicle and assembly thereof - Google Patents
Polymeric membrane type air dryer for vehicle and assembly thereof Download PDFInfo
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- CN103521043A CN103521043A CN201310539640.5A CN201310539640A CN103521043A CN 103521043 A CN103521043 A CN 103521043A CN 201310539640 A CN201310539640 A CN 201310539640A CN 103521043 A CN103521043 A CN 103521043A
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Abstract
The invention discloses a polymeric membrane type air dryer for a vehicle and an assembly thereof. The polymeric membrane type air dryer for the vehicle comprises a shell, a polymeric hollow membrane bunch and an air blowing channel. A compressed air inlet and a dry air outlet are formed in the upper portion of the shell and a steam outlet is formed in the lower portion of the shell. The polymeric hollow membrane bunch is installed inside the shell and is bent to form a U shape, one end of the polymeric hollow membrane bunch is connected with the compressed air inlet, and the other end of the polymeric hollow membrane bunch is connected with the dry air outlet. One end of the air blowing channel is connected with the dry air outlet, and the other end of the air blowing channel is connected with one end of the dry air outlet of the polymeric hollow membrane bunch. The assembly of the polymeric membrane type air dryer comprises the polymeric membrane air dryer for the vehicle, a pre-filter connected with the polymeric membrane air dryer and a four-loop protection valve. The polymeric membrane type air dryer for the vehicle has the advantages of being simple in structure and convenient to install and use, needing no energy consumption, saving space, being beneficial to reducing size and high in dehumidification efficiency and the like.
Description
Technical field
The invention belongs to brake system of car parts and manufacture field, specifically, relate to a kind of automobile-used high polymer diaphragm air dryer and high polymer diaphragm air dryer assembly thereof.
Background technology
Brake system of car adopts molecular sieve adsorption to make air dryer conventionally, utilize molecular sieve to the suction-operated of steam, the steam in gas to be taken off, when absorption is saturated, need decompression, heating, blowback to make regenerating molecular sieve, operation is controlled frequent, so existing automobile air drier structure is very complicated, molecular sieve uses for a long time efflorescence can occur, make gas path pipe by molecular sieve dust pollution, so service life is restricted.Air dryer for vehicle assembly is the assembly of air dryer and four-loop protection valve at present, and air dryer cleans, is dried and control the compressed air from automobile air compressor; Four-loop protection valve protects its operating pressure for automobile multi-circuit brake system blanket insurance and stablizes; therefore; air dryer assembly provides a set of complete succinct, clean dried air treatment system safely and effectively for brake system of car, but because of the shortcoming Shortcomings of existing automobile air drier.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
To achieve these goals, propose according to an aspect of the present invention a kind of automobile-used high polymer diaphragm air dryer, comprising: housing, the top of described housing is provided with compressed air inlet port and dry air outlet, and the bottom of described housing is provided with steam outlet; Polymeric hollow parietal bundle, described polymeric hollow parietal bundle is arranged in described housing and is bent to form U-shaped, and one end of polymeric hollow parietal bundle connects described compressed air inlet port, and the other end connects described dry air outlet; Sweep gas passage, described sweep gas passage one end connects described dry air outlet, and the other end connects dry air outlet one end of described polymeric hollow parietal bundle.
Automobile-used high polymer diaphragm air dryer according to the present invention adopts polymeric membrane to remove moisture content, is by polymeric hollow parietal bundle, the separation of steam to be realized, and does not therefore need power consumption, easy to install.Polymeric hollow parietal bundle assembles a branch of by the wire drawing of polymeric hollow fiber.Polymeric membrane of the present invention becomes U-shaped in housing, and (1) can increase the length of polymeric hollow parietal bundle under limited shell length, has both saved space, has increased again dehumidification efficiency; (2) be convenient to install and save material, the two ends of polymeric hollow parietal bundle can be fixed on a fixture; Top by compressed air inlet port and the concentrated housing of dry air outlet, makes product more intensive; (3) steam through film can accumulate in the downstream of film, therefore more approach dry air outlet, steam is more gathering of polymeric hollow barrier film, the polymeric hollow parietal bundle of U-shaped of the present invention makes compressed air inlet port and dry air outlet all in upper end, during purging, dry gas stream is blown into from the downstream of polymeric hollow barrier film, therefore, the poor maximum of water vapour pressure of side form both sides, downstream, the mass-transfer efficiency of film is higher, so with respect to linear polymeric hollow parietal bundle, dehumidification efficiency is higher.In sum, that automobile-used high polymer diaphragm air dryer of the present invention has is simple in structure, easy to install, do not need power consumption, save space, contributes to reduce volume and dehumidification efficiency high.
Automobile-used high polymer diaphragm air dryer according to the present invention also has following additional technical feature:
Preferably, described housing is comprised of the upper shell linking together and lower house, described compressed air inlet port and dry air outlet are located on described upper shell, and described steam outlet is located at the bottom of described lower house, and described polymeric hollow parietal bundle is positioned at described lower house.Hence one can see that, and described lower house is used for holding polymeric hollow parietal bundle, and upper shell is used for arranging compressed air inlet port and dry air outlet, makes total be easy to processing and install, more reasonable.
Preferably, described compressed air inlet port and dry air outlet left and right are arranged on the both sides of described upper shell accordingly; The two ends of described polymeric hollow parietal bundle and the upper surface flush of described lower house, and be fixed on described lower house by fixture.Hence one can see that, and the setting of compressed air inlet port and dry air outlet is simplified the structure of whole drier more, contributes to reduced volume, is convenient to install.Polymeric hollow parietal bundle both sides also can be fixed on lower house by a fixture easily, are conducive to save material.
Preferably, described upper shell is provided with for air dryer being fixed on to the upper body support frame on automobile chassis.
Preferably, the both sides, lower end of described lower house are respectively provided with four steam outlets.Steam outlet, for discharging the steam after dehumidification, carries out drying smoothly continuously.
Preferably, described sweep gas passage is positioned at described housing, and between the two ends of polymeric hollow parietal bundle.Ground one step, it is positioned at the middle and lower part at two ends.Like this, sweep gas passage just needn't be arranged at the outside of housing, contributes to make designs simplification, contributes to reduce volume.
Preferably, described polymeric hollow parietal bundle comprises: polymeric hollow membrane layer, described polymeric hollow membrane layer comprises several macromolecular fibre hollow membrane pipes, and the some layers of mode that described some polymeric hollow film pipes adopt oblique weaving are intertwined." the some layers of the mode of oblique weaving are intertwined " can adopt various concrete modes, specifically make several polymeric hollow film pipes all the oblique volume that is wound in the shape of a spiral form.Optimal way is that some macromolecular fibre hollow membrane pipes are respectively some hundred layers, and every one deck is arranged side by side arranged askew all, but weaving between layers, tight oblique winding, as textile strand plug.Like this, not only increase airfiltering path, improved dehumidification rate, also between polymeric hollow diaphragm tube, formed larger space and diaphragm area, increased the efficiency purging.Further preferred, the oblique direction of described dry polymeric hollow diaphragm tube is 45 °.Airfiltering path and area like this, have further been increased.
Preferably, described polymeric hollow parietal bundle also comprises: the tube core of hollow, and described tube core curves U-shaped, and described polymeric hollow membrane layer is wrapped on the tube core of this hollow; Integument, described integument comprises that hoop is wrapped in a circle polymeric hollow film pipe in described polymeric hollow membrane layer outside; Plastic film layers, described plastic film layers is coated on the outside of described integument; Foam layer, described foam layer is located at the outside of described plastic film layers.In these structures, integument mainly plays winding package action, does not participate in water osmosis, and integument is mainly increase fastness and prevent that oblique polymeric hollow film pipe is subjected to displacement.Foam layer is one deck rigid plastics, and effect is that internal layer hollow membrane is played to coating function, prevents from making to be scattered.Foam layer is for alleviating hot pressing to inner extruding infringement.
Preferably, the outside at described plastic film layers two ends is provided with rubber band.Be used for two end connectors of braiding polymeric hollow film pipe to play fixedly coating function, cluster polymeric hollow film pipe together bonds together through glue, then through fixture, is compressed into cylindrical.Further preferably, the thermoplastic piece fixture that described fixture is inserted in once-cast compression molding is every covering.
Preferably, the material of described polymeric hollow film pipe is polyimide fiber.Polyimide fiber wire drawing becomes hollow membrane pipe for steam, to pass through only, a large amount of steam changes penetrated barrier film, thereby a small amount of dried compressed air is the aperture in the middle of lid by fixture, via polymeric hollow barrier film lateral edge, blow out downwards, making the downstream of film accumulate steam makes to be blown away, from the exhaust outlet of below, take out of device, output be dry compressed air.
The present invention provides a kind of high polymer diaphragm air dryer assembly on the other hand, comprises above-mentioned automobile-used high polymer diaphragm air dryer, and automobile-used polymeric hollow film air dryer is connected with four-loop protection valve with fore filter.
Polymeric hollow film air dryer assembly according to the present invention is mainly used in car brakeing and uses, adopted automobile-used high polymer diaphragm air drier system allocation plan, therefore have simple in structure, easy to install, do not need power consumption, save space, contribute to reduce volume and dehumidification efficiency high.
Particularly, automobile-used high polymer diaphragm air dryer of the present invention also has following characteristics: it utilizes the operation of vehicle air compressor self pressure, does not need power supply, there is no cold media, and the life-span is long, does not need water trap, easy to install.High polymer diaphragm air drying means of the present invention belongs to Membrane Gas Separation Processes, conventionally adopts the form of hollow-fiber module.In this process, the steam that sees through film can accumulate in the downstream of film, make the Efficiency Decreasing of membrane module, must manage to remove in time the steam in film downstream, drying could successfully carry out continuously, generally can adopt control Purge methods for this purpose, draw the dry product gas of a part as purge air-flow, control purge air-flow ratio conventionally 10% with interior air flow losses.Therefore, drier of the present invention is by polymeric hollow film, the separation of steam to be realized, utilize the operation of compressed air self pressure, can as molecular sieve air dryer, not need power consumption, do not need external energy, in drying, without regeneration, equipment is simple, easy and simple to handle, without special maintenance, can obtain continuously standard dry gas; Meanwhile, film separation is clean technology, to environment, can not pollute; In equipment operating process, there is no movable part, noiseless, non-maintaining, the life-span is long.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is polymeric membrane air dryer structure principle chart of the present invention;
Fig. 2 is polymeric membrane air dryer schematic diagram of gas circuit of the present invention;
Fig. 3 is polymeric membrane switching mechanism figure of the present invention;
Fig. 4 is polymeric membrane air dryer structure chart one of the present invention;
Fig. 5 is polymeric membrane air dryer structure chart two of the present invention.
In figure: automobile-used polymeric membrane air dryer 1; Fore filter 2; Four-loop protection valve 3; Housing 10; Upper shell 11; Lower house 12; Compressed air inlet port 13; Dry air outlet 14; Water steams outlet 15; Fixture (every lid) 16; Upper body support frame 17; Polymeric hollow parietal bundle 20; Sweep gas passage 30; Wet Compression air 4; Dry air 5; Steam 6.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, on equipment between adjacent two devices by process medium, for example the contact of Copper Foil, enamel-covered wire or adhesive plaster is also referred to as " being connected " or " connection ".For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
A kind of automobile-used polymeric hollow film air dryer below with reference to Fig. 1-5 pair embodiment of the present invention is described, and automobile-used high polymer diaphragm air dryer 1 of the present invention comprises housing 10, upper shell 11, lower house 12, compressed air inlet port 13, dry air outlet 14, steam outlet 15, fixture 16, upper body support frame 17, polymeric hollow parietal bundle 20, integument, plastic film layers, foam layer and sweep gas passage 30.
Described housing 10 is comprised of the upper shell 11 linking together and lower house 12, and described compressed air inlet port 13 and dry air export 14 left and right and be arranged on accordingly the both sides that are located at upper shell 11, and are positioned in same level.Compressed air inlet port 13 and dry air outlet 14 arrange the structure of whole drier are simplified more, contribute to reduced volume, are convenient to install.The both sides, lower end of lower house 12 are respectively provided with four steam outlets 15 (small-rabbet), and steam outlet 15, for discharging the steam 6 after dehumidification, carries out drying smoothly continuously.Described lower house 12 is for holding polymeric hollow parietal bundle 20, and upper shell 11, for compressed air inlet port 13 and dry air outlet 14 are set, makes total be easy to processing and install, more reasonable.
Polymeric hollow parietal bundle 20 switching mechanism figure of the present invention as shown in Figure 3, it belongs to Membrane Gas Separation Processes, in this process, steam 6 in Wet Compression air 4 (comprising oxygen, nitrogen, steam 6) is through the centrifugation of film, and outlet is flowed out for dry air 5 (comprising oxygen, nitrogen).The steam that sees through film can accumulate at the downstream of film sidewall, make the Efficiency Decreasing of membrane module, must manage to remove in time the steam in film downstream, drying could successfully carry out continuously, the embodiment of the present invention can adopt control Purge methods for this purpose, draw the dry product gas of a part as purge air-flow, control purge air-flow ratio 10% with interior air flow losses.
On upper shell 11, be also provided with for air dryer being fixed on to the upper body support frame 17 on automobile chassis.
Described polymeric hollow parietal bundle 20 is arranged in described lower house 12 and is bent to form U-shaped, the upper surface flush of the both sides of U-shaped and lower house 12, and the thermoplasticity fixture 16 by an once-cast compression molding is every lid fixedly on lower house 12, the middle part of U-shaped is positioned at the bottom of lower house 12, near steam outlet 15.One end of polymeric hollow parietal bundle 20 connects described compressed air inlet port 13, and the other end connects described dry air outlet 14.
As concrete example of the present invention, described polymeric hollow parietal bundle 20 comprises: polymeric hollow membrane layer, described polymeric hollow membrane layer comprises several polymeric hollow diaphragm tubes, and the some layers of mode that described some polymeric hollow diaphragm tubes adopt oblique weaving are intertwined.The tube core of hollow, described tube core curves U-shaped, and described polymeric hollow membrane layer is wrapped on the tube core of this hollow; Integument, described integument comprises that hoop is wrapped in a circle polymeric hollow film pipe in described polymeric hollow membrane layer outside; Plastic film layers, described plastic film layers is coated on the outside of described integument; Foam layer, described foam layer is located at the outside of described plastic film layers.In these structures, integument mainly plays winding package action, and being mainly increases fastness and prevent that oblique polymeric hollow film pipe is subjected to displacement.Foam layer is one deck rigid plastics, and effect is that internal layer hollow membrane is played to coating function, prevents from making to be scattered.Foam layer is for alleviating hot pressing to inner extruding infringement.
Wherein, " adopting the some layers of mode of oblique weaving to be intertwined " adopts some polymeric hollow film pipes to be respectively some hundreds of layers of arrangement arranged side by side, every one deck homocline is to the method for weaving, and closely oblique tens layers up to a hundred that are wound with are as weaving yarn core.Like this, not only increase airfiltering path, improved dehumidification rate, also between polymeric hollow film pipe, formed larger space, increased the efficiency purging.Advantageously, the oblique direction of described dry polymeric hollow film pipe is 45 °.
Integument mainly plays winding package action, does not participate in water osmosis, and this mode that adopts oblique weaving to be wound around with polymeric hollow film pipe is fixed together relevant, is mainly increase fastness and prevent that oblique polymeric hollow film pipe is subjected to displacement.Foam layer is one deck rigid plastics, and effect is that internal layer hollow membrane is played to coating function, prevents from making to be scattered.Foam layer is for alleviating hot pressing to inner extruding infringement.
As concrete example of the present invention, the outside at described plastic film layers two ends is provided with rubber band.Be used for the joint of braiding polymeric hollow diaphragm tube to play fixedly coating function, cluster polymeric hollow film pipe together bonds together through glue, then through fixture, is compressed into cylindrical.Further preferably, the thermoplastic piece fixture 16 that described fixture is inserted in once-cast compression molding is every covering.
The material of described polymeric hollow film pipe is polyimide fiber.Polyimide fiber wire drawing becomes hollow membrane pipe to pass through for steam, a large amount of steam changes penetrated barrier film, thereby a small amount of dried compressed air is the aperture in the middle of lid by fixture 16, via polymeric hollow parietal bundle 20 lateral edge, blow out downwards, making the downstream of film accumulate steam makes to be blown away, from the exhaust outlet of below, take out of device, output be dry compressed air.
Described sweep gas passage 30 one end connect described dry air outlet 14 by an osculum, and for drawing the dry product gas of a part as purge gas, this osculum provides dry air to export the air-loss of 14 net flows 10% under operating condition.The other end of sweep gas passage 30 is passed down through the dry air that described fixture 16 is connected to polymeric hollow parietal bundle 20 and exports 14 one end.Specifically, described sweep gas passage 30 is positioned at described lower house 12, and is positioned at the middle part at the two ends of polymeric hollow parietal bundle 20.Like this, sweep gas passage 30 just needn't be arranged at the outside of housing 10, contributes to make designs simplification, contributes to reduce volume.
According to automobile-used polymeric hollow film air dryer according to the present invention, adopting polymeric hollow barrier film to remove moisture content, is that the separation by 20 pairs of steam of polymeric hollow parietal bundle realizes, and does not therefore need power consumption, easy to install.Polymeric hollow parietal bundle 20 of the present invention is at the interior one-tenth U-shaped of lower house 12, and (1) can increase the length of polymeric hollow parietal bundle 20 under limited shell length, has both saved space, has increased again dehumidification efficiency; (2) be convenient to install and save material, the two ends of polymeric hollow parietal bundle 20 can be fixed on to a circular fixture 16 every covering; Compressed air inlet port 13 and dry air outlet 14 are concentrated on upper shell 11, make product more intensive.(3) steam through film can accumulate in the downstream of film, therefore more approaches dry air outlet 14, and steam is more gathering of hollow membrane.The polymeric hollow parietal bundle 20 of U-shaped of the present invention makes compressed air inlet port 13 and dry air outlet 14 all in upper end, during purging, dry gas stream is blown into from the downstream of lower hollow membrane, therefore, the poor maximum of water vapour pressure of side form both sides, downstream, the mass-transfer efficiency of film is higher, so with respect to linear hollow membrane, dehumidification efficiency is higher.In sum, that automobile-used polymeric hollow parietal bundle 20 air dryers of the present invention have is simple in structure, easy to install, do not need power consumption, save space, contributes to reduce volume and dehumidification efficiency high.
The embodiment of the present invention gives described polymeric hollow film production packaging technology:
(1) preparing outermost one deck black plastic is the clad (being lower house 12) forming through hot pressing, and respectively there is the little outlet of air consumption air for four dehumidifying at two ends, lower house bottom, for discharging steam.
(2) making ground floor is foam layer, for alleviating hot pressing to inner extruding infringement.
(3) making internal layer heart rigid plastics is one deck plastics crust layers, and its effect is to outer doughnut layer, plays coated skeleton function, prevents that it is scattered.
(4) hoop is wound around the hollow cellulose of a circle, has been mainly the effect that is wound around parcel, does not participate in water osmosis.
(5) polymeric hollow parietal bundle, adopts into 45 ° of oblique braiding winding method of hundreds of layers and makes, and has so not only increased airfiltering path and effective area, and self has been fastened on the thin plastic pipe mould of hollow, as weaving yarn core volume.
(6) plug integral body is made U-shaped mandrel structure encapsulation, and its two ends are once to glued joint the cylindrical fixture of thermoplasticity of pouring into a mould compression molding.
(7) firmly grasp with rubber band at layer of plastic film two ends, is for the joint of braided fiber is played to fixedly coating function.Cluster joint is together bonded together through glue, then through fixture hot pressing, shorten into cylindrical.
As shown in Figure 2, embodiments of the invention also provide a kind of high polymer diaphragm air dryer assembly, comprise above-mentioned automobile-used polymeric membrane air dryer 1, and automobile-used polymeric membrane air dryer 1 is connected with four-loop protection valve 3 with fore filter 2.Wherein, the effect of fore filter 2 is to filter impurity; Four-loop protection valve 3 act as the stable air pressure that brakes provides 3 tunnels brakings gas tanks, in case stop loss playing a protective role of bad time.Four-loop protection valve 3 links together by gas circuit pipeline with air dryer assembly of the present invention.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an automobile-used high polymer diaphragm air dryer, is characterized in that, comprising:
Housing, the top of described housing is provided with compressed air inlet port and dry air outlet, and the bottom of described housing is provided with steam outlet;
Polymeric hollow parietal bundle, described polymeric hollow parietal bundle is arranged in described housing and is bent to form U-shaped, and one end of polymeric hollow parietal bundle connects described compressed air inlet port, and the other end connects described dry air outlet;
Sweep gas passage, described sweep gas passage one end connects described dry air outlet, and the other end connects dry air outlet one end of described polymeric hollow parietal bundle.
2. automobile-used high polymer diaphragm air dryer according to claim 1, it is characterized in that, described housing is comprised of the upper shell linking together and lower house, described compressed air inlet port and dry air outlet are located on described upper shell, described steam outlet is located at the bottom of described lower house, and described polymeric hollow parietal bundle is positioned at described lower house.
3. automobile-used high polymer diaphragm air dryer according to claim 2, is characterized in that, described compressed air inlet port and dry air outlet left and right are arranged on the both sides of described upper shell accordingly; The two ends of described polymeric hollow parietal bundle and the upper surface flush of described lower house, and be fixed on described lower house by fixture.
4. automobile-used high polymer diaphragm air dryer according to claim 2, is characterized in that, the both sides, lower end of described lower house are respectively provided with four steam outlets.
5. automobile-used high polymer diaphragm air dryer according to claim 1, is characterized in that, described sweep gas passage is positioned at described housing, and between the two ends of the polymeric hollow parietal bundle of U-shaped.
6. automobile-used high polymer diaphragm air dryer according to claim 1, is characterized in that, described polymeric hollow parietal bundle comprises:
Polymeric hollow membrane layer, described polymeric hollow membrane layer comprises several polymeric hollow diaphragm tubes, the some layers of mode that described some polymeric hollow diaphragm tubes adopt oblique weaving are intertwined.
7. automobile-used high polymer diaphragm air dryer according to claim 6, is characterized in that, the oblique winding direction of described dry polymeric hollow diaphragm tube is 45 °.
8. automobile-used high polymer diaphragm air dryer according to claim 6, is characterized in that, described polymeric hollow parietal bundle also comprises:
The tube core of hollow, described tube core curves U-shaped, and described polymeric hollow membrane layer is wrapped on the tube core of this hollow;
Integument, described integument comprises that hoop is wrapped in a circle polymeric hollow film pipe in described polymeric hollow membrane layer outside;
Plastic film layers, described plastic film layers is coated on the outside of described integument;
Foam layer, described foam layer is located at the outside of described plastic film layers.
9. automobile-used high polymer diaphragm air dryer according to claim 6, is characterized in that, the material of described polymeric hollow diaphragm tube is polyimide fiber.
10. a high polymer diaphragm air dryer assembly, is characterized in that, comprises the automobile-used high polymer diaphragm air dryer described in claim 1 one 9 any one, and automobile-used high polymer diaphragm air dryer is connected with four-loop protection valve with fore filter.
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| CN107661697A (en) * | 2016-07-28 | 2018-02-06 | 三菱化学株式会社 | The manufacture device of the manufacture method of hollow fiber film assembly, the manufacture device of layered product and hollow fiber film assembly |
| CN114797394A (en) * | 2022-05-17 | 2022-07-29 | 贝克欧净化科技南通有限公司 | Membrane type compressed air dryer for locomotive |
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Application publication date: 20140122 |