CN100466353C - Engine air cleaner - Google Patents
Engine air cleaner Download PDFInfo
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- CN100466353C CN100466353C CNB2006100302914A CN200610030291A CN100466353C CN 100466353 C CN100466353 C CN 100466353C CN B2006100302914 A CNB2006100302914 A CN B2006100302914A CN 200610030291 A CN200610030291 A CN 200610030291A CN 100466353 C CN100466353 C CN 100466353C
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- air
- adsorption layer
- air cleaner
- engine air
- supporting frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Separation Of Gases By Adsorption (AREA)
Abstract
The invention provides an engine air cleaner, which comprises the following parts: an adsorbed layer casing, an adsorbed layer equipped in the adsorbed layer casing, wherein the absorbed layer includes a plurality of air flow channels, an integral absorbed agent arranged alternatively with the air flow channel, a plurality of wedge-shaped baffle plates arranged on the air flow channel. The improvement program still comprises the following parts: a pyramid air-in channel, a hydrophobicity polymeric film, a non-corrodible steel filter gauze, a pyramid air-out channel, a supporting frame or the like, wherein the absorbed layer is manufactured by the renewable, conveniently unpacking and changing and integral absorbed agent and is fixed in the supporting frame of the absorbed layer interior, the casing of the absorbed layer with the wedge-shaped baffle plate optimizes the flow characteristic of the air in order to reduce the resistance and noise of the air, the supporting frame, the cleaner casing, the wedge-shaped baffle plate, the integral absorbed agent seals separately with collar seal in order to avoid the air short circuit. The invention removes the gaseous impurity and the particulate effectively in the condition of reducing the air resistance as possible as we can.
Description
Technical field
The present invention relates to a kind of engine air air purifying apparatus.
Background technology
Because problems such as energy shortage and environmental pollution become increasingly conspicuous, the development of clean energy resource automobile is just receiving increasing concern, wherein fuel cell car because of the Proton Exchange Membrane Fuel Cells (PEMFC) that adopts environment-friendly high-efficiency as power source, can effectively solve orthodox car to the dependence of the fossil class energy and to the pollution difficult problem of environment, become that each government of developed country gives special assistance to and well-known motor corporation falls over each other to develop direction.
Fuel cell car all adopts air as oxidant at present, but studies show that airborne particle and foreign gas such as CO, C
mH
n, NO
x, SO
2And H
2S etc. can reduce fuel cell performance, influence the life-span of fuel cell.Can predict, in the business-like process of fuel cell car, the inevitable long-term and internal-combustion engines vehicle mixed running of FCV, the multiple pollution gas that contains in the exhaust gases of internal combustion engines this moment will be inevitable to the influence of vehicle fuel battery, therefore be necessary air cleaning unit reasonable in design, foreign gas prolongs the life-span of vehicle fuel battery to the influence of vehicle fuel battery in the elimination air, improve dynamic property and the economy of FCV, make it to go on quickly the industrialization road.
At present the general air filter of orthodox car is mainly used in airborne solid particulate matter etc. is filtered removing, indoor and outdoor environmental protection air purifier is then eliminated some specific chemical composition such as formaldehyde etc. specially, though flue gas desulfurization and denitrification technology and automotive exhaust catalysis treatment technology can remove processing at main harmful components in the tail gas of motor vehicle emission, but higher 200～300 ℃ of reaction temperature, can't be directly used under the normal temperature of fuel cell air cleaning handles, and the power of automobile changes greatly with the difference of operating condition, require the charge flow rate of air also significant change can take place, all have good clean-up effect when guaranteeing different air mass flow, need design to have the device of special scavenging material and treatment facilities.
Patent US 2003/0096152 A1 has designed a kind of air purifier that is used for fuel cell, as shown in Figure 1.This clarifier is made up of two-layer scavenging material altogether, and filter course 102 is made up of the film with filtration, can filtering particle diameter greater than 0.3 micron particle, adopt the effectively salinity in filtering air such as the seashore malaria of hydrophobicity film simultaneously; Adsorption layer 104 is made up of the active carbon that compressed, and the foreign gas that is used for absorbed air comprises nitrogen oxide, oxysulfide and volatile organic matter etc.Utilize specific device that the duct is coupled together 112 between two-layer, and the sealing of the system of assurance, the bottom seals air with end plate 108 and enters clarifier from radially passage, pass through filter course and adsorption layer respectively after, from axial path 10 6 outflow clarifiers 112.This device has been considered the filtering of particulate in air and foreign gas simultaneously, but, the active carbon layer that compressed enters fuel cell system with air because still might producing powder particle, solved so need adopt an effective measure, the adsorption efficiency of active carbon itself is lower simultaneously, can't reach the requirement of air cleaning, in addition, directly adopt the mode that penetrates filtration to make air follow the contact area between the filter course limited, air velocity is restricted.
The purifier of patent WO 2005/091415 A2 design can be removed particle and foreign gas simultaneously, and the noise of air flows generation.Its parts of removing foreign gas specially as shown in Figure 2.Arrive this purifying layer behind the air process filter course filtering particle, the method of utilizing dipping or applying loads to specific chemical on the carrier 133 and 134 or 143 and 144 of this purifying layer, air is being flowed through passage 135 or at 145 o'clock, be adsorbed or and chemical reaction, reach the purpose of purification.The difference of Fig. 2 a and Fig. 2 b is that air flow passage is different, air can directly flow to 132 sides from 131 sides through passage 135 among a, adopt binder that the two ends 141 and 142 of passage 145 are alternately binded among the b, make air in the process of circulation, must see through wall 133 or 134, therefore improved clean-up effect, but cause the turbulent flow of air to increase thus, be unfavorable for the gas transmission.This device adopts chemical composition to remove airborne foreign gas, the pure employing active carbon of merchandiser phase specific energy improves purification efficiency, though but adopting the method for load sorbing material can reduce the air transfer resistance, the method that penetrates absorption with respect to high porosity materials has still been lost the part purification efficiency.The technical process of binding passage in addition makes clarifier manufacture process more complicated.
Because clarifier is removed foreign gas and all adopted absorption principle, so the replacing of adsorbent is unavoidable in the use, but regrettably, does not still have product can change adsorbent simply separately at present.In view of above-mentioned deficiency, the vehicle fuel battery engine air cleaning unit still needs further to improve.
Summary of the invention
Main purpose of the present invention is, overcomes the deficiency that existing automobile air purifier exists, and a kind of engine air cleaner efficiently is provided.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of engine air cleaner, comprise the adsorption layer housing, be located at the adsorption layer in the adsorption layer housing, described adsorption layer comprises a plurality of air flow passage, replaces integral type adsorbent, a plurality of wedge shaped baffle of being located on the air flow passage of arranging with air flow passage.The shape of adsorption layer housing can be designed to Any shape according to actual needs.The present invention is preferably square, so that make and install.
As a kind of improvement of the present invention, also comprise the inlet channel and the outlet passageway that are fixed in adsorption layer housing two ends.The inlet, outlet passage is fixed on the sky adsorption layer housing, to make things convenient for the installation of air purifier.But the bore fuel cell air supply system of inlet channel, outlet passageway comprises the coupling of air compressor, air blast, humidifier and circulation of air pipeline etc. and requires to determine.
As a kind of optimal way of the present invention, described inlet, outlet passage is taper, and the cross-sectional area of an end of fixedlying connected with described adsorption layer housing is greater than the cross-sectional area of the other end.
As a kind of improved procedure of the present invention, described integral type adsorbent is the layer structure of spacing arrangement, and described wedge shaped baffle is located between the integral type adsorbent of layer structure.To increase the contact area of gas and integral type adsorbent.
As another optimal way of the present invention, the angle of described part or all of wedge shaped baffle and integral type adsorbent is 45 degree.
As another improvement of the present invention, being fixed with between described inlet channel and the adsorption layer housing can filtering particle and the hydrophobicity polymeric membrane that prevents moisture penetration.Main effect is the airborne particle of filtering, prevents that simultaneously moisture from entering purifier and influencing purification efficiency.
One improve again as of the present invention, be fixed with metal screen between described outlet passageway and the adsorption layer housing.Prevent the particle diffusion of clarifier inside, further filtering particle also prevents that the issuable particle of adsorption layer internal cause airflow influence from entering fuel cell with air.
One improve as of the present invention, described adsorption layer also comprises the supporting frame of integral type adsorbent again, and described integral type adsorbent is located in the described supporting frame.Supporting frame in the housing can disassembled and assembled freely, and it has the effect of supporting the hydrophobicity polymeric membrane, prevents that polymeric membrane from breaking because of air pressure; Reticulated structure then can guarantee effectively to support the integral type adsorbent, can utilize instantaneous deformation to improve the anti-seismic performance of clarifier again; The corresponding formation air flow passage in duct in the middle of the supporting frame built-in integral adsorbent, adsorbent.
One improve as of the present invention, described supporting frame is fixedlyed connected with described wedge shaped baffle again.The number needs of wedge shaped baffle will be determined the requirement of air pressure according to the concentration and the fuel cell of air plankton.Described supporting frame, wedge shaped baffle are provided with groove with the part that described adsorption layer housing contacts, and are provided with the sealing strip that sealing described supporting frame, wedge shaped baffle are connected with described adsorption layer housing in the described groove.The structure that adsorption layer housing, supporting frame, adsorbent three slide mutually is convenient to dismounting.The encapsulant that is embedded in simultaneously in the supporting frame groove can make the three reach the better seal effect again.
Compare with disclosed other air purifier already, the present invention has the following advantages:
1, improved flow resistance in the air cleaning process.
2, simplified the manufacture process of air purifier.
3, extraction-type monolithic devices adsorbent design has made things convenient for the replacing of adsorbent.
4, Du Te flow channel design makes it have sound deadening simultaneously.
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, (be particularly suitable for fuel cell car below in conjunction with an accompanying drawing and a preferred embodiment, also can be used for other has the engine of similar requirement to air cleaning air cleaning), further specify the present invention.
Description of drawings
Fig. 1 is the fuel cell air purifier schematic diagram of patent US 2003/0096152 A1.
Fig. 2 is the fuel cell air purifier schematic diagram of patent WO 2005/091415 A2.
Fig. 3 is the overall schematic of embodiment of the invention engine air cleaner.
Fig. 4 is the decomposing schematic representation of embodiment of the invention engine air cleaner.
Fig. 5 is the inside three-dimensional structure diagram of the adsorption layer of embodiment of the invention engine air cleaner.
Fig. 6 is the vertical view of the adsorption layer of embodiment of the invention engine air cleaner.
Fig. 7 is the installation diagram of the adsorption layer of embodiment of the invention engine air cleaner.
Fig. 8 is the supporting frame of adsorption layer of embodiment of the invention engine air cleaner and the structure chart of wedge shaped baffle.
Fig. 9 is the seal groove partial structurtes figure according to the supporting frame of the adsorption layer of the engine air cleaner of the embodiment of the invention and wedge shaped baffle.
Label declaration:
1 taper inlet channel, 11 integral type adsorbents
2 bolts, 12 air flow passage
3 taper inlet channel flanges, 13 clarifiers inlet
The outlet of 4 hydrophobicity polymeric membrane, 14 clarifiers
5 adsorption layer flanges, 15 wedge shaped baffle
Supporting frame in 6 adsorption layer housings, 16 adsorption layers
7 stainless steel filtering nets, 17 supporting frame air inlet sides
8 taper outlet passageway flanges, 18 silicone rubber seal grooves
9 taper outlet passageways, the 19 supporting frames side of giving vent to anger
10 flange screws
Embodiment
Figure 3 shows that engine air cleaner embodiment of the present invention, it comprises taper inlet channel 1, hydrophobicity polymeric membrane 4, adsorption layer housing 6, is located at adsorption layer, stainless steel filtering net 7, taper outlet passageway 9 in the adsorption layer housing 6, wherein, described adsorption layer comprises the laminated integrally formula adsorbent 11, air flow passage 12 of a plurality of spacing arrangement, wedge shaped baffle 15 that alternately arrange with air flow passage, between a plurality of integral type adsorbents 11 of being located at layered structure and the netted adsorption layer supporting frame 16 of fixedlying connected with wedge shaped baffle 15.Described taper inlet channel 1 and taper outlet passageway 9 are individually fixed in the two ends of adsorption layer housing 6.Described hydrophobicity polymeric membrane 4 is fixed between described taper inlet channel 1 and the adsorption layer housing 6, and described stainless steel filtering net 7 is fixed between described taper outlet passageway 9 and the adsorption layer housing 6.The circulation of air direction is shown in arrow among the figure.
Wherein, described hydrophobicity polymeric membrane 4 can be selected the hydrophobicity polymeric material or through possessing the polymeric material of hydrophobicity after the chemical modification, make by various physics of knowing or chemistry forming method.Kind and concentration selective polymerization material according to impurity in the difference of automobile environment of applications and travel conditions and the air.Described polymeric material can be selected one or more in polyethylene, polytetrafluoroethylene, polypropylene, polysiloxanes, nylon, the terylene.Describe as hydrophobicity polymeric membrane 4 with polyethylene film in the present embodiment.
Wherein, the material of described integral type adsorbent 11 can be selected one or more in the active carbon, activated carbon fiber, activated alumina, molecular sieve, aeroge, ion exchange resin, ion-exchange fibre of porousness, bigger serface for use.With the granular active carbon is example, through KOH and K
2CO
3Original position carbonization compression moulding technology after dipping modification and phenolic resins cohere is made the described integral type adsorbent 11 in the present embodiment, to remove foreign gas NO main in the air
x, SO
2, H
2S and C
mH
nDeng.
Fig. 4 is the decomposing schematic representation of clarifier.Wherein the taper inlet channel 1 of clarifier from front to back sectional area increase gradually, this structure helps to reduce air velocity, increases the time of air by clarifier, reaches the purpose that improves purification efficiency.Air intake is designed to circle, and being convenient in case of necessity, clarifier connects with the pipeline of front end air compressor.Taper inlet channel 1 utilizes its flange 3 to be connected by screw 10 by bolt 2 with the flange 5 of purifier main body, and wherein the sealing ring (not shown) of two flanges 3,5 is with polyethylene film 4 sealings of centre.Polyethylene film 4 is close to adsorption layer, utilizes the support of adsorption layer, has avoided polyethylene film 4 because of long air purge causes distortion, breaks, and influences filter effect.Also adopt identical assembly method (flange 5 shown in the figure and flange 8) to connect between adsorption layer, stainless steel filtering net 7 and the taper outlet passageway 9.The assembly structure of bolt type can either play good sealing effectiveness, is convenient to take off from clarifier at any time, dredge blocked filter screen duct again.The pyramidal structure that the outlet passageway of clarifier takes sectional area to reduce gradually helps air and increases flow velocity by stainless steel filtering net 7 backs, shortens the flowing time in passage.The outlet 14 of clarifier is designed to circle, is connected with the seal for pipe joints of leading to fuel cell with convenient.Wherein, the effect of stainless steel filtering net 7 is any solid particulate matters that may be entrained with in the filtering clarifier.
In the present embodiment, the Cross section Design of adsorption layer housing 6 is a square, and to simplify the structure of adsorption layer, taper inlet channel 1 transits to square gradually by circle, and 9 of taper outlet passageways transit to circle gradually by square.
Fig. 5 and Fig. 6 are respectively the three-dimensional structure diagram and the vertical views of adsorption layer in the clarifier.Integral type adsorbent 11 is alternately arranged with air flow passage 12, enter adsorption layer at the most of air of adsorption layer entrance side via passage 12, little air directly enters integral type adsorbent 11, the air that enters in flow process with passage in air mixed, flow out adsorption layer then.Thereby in air flow passage, utilize the flow direction that respectively is the wedge shaped baffle 15 change air of 45 with two side walls.The effect that the wedge shaped baffle 15 of 45 is set is, the forced air shunting is flowed forward through continuing behind the adsorbent of both sides on the one hand, repeatedly shunting sees through the clean-up effect that adsorbent can improve air, can guarantee that the utilance of each several part adsorbent is basic identical simultaneously; On the other hand, 45 ° wedge shape setting is compared with the vertical design structure, can reduce turbulent flow and the viscosity resistance of air in changing the flow direction process, thereby reduces the air transfer resistance, improves air velocity, can also reduce noise to a certain extent simultaneously.
Fig. 7 has described the assembling process of integral type adsorbent 11.Ready integral type adsorbent is pushed in the netted supporting frame 16 from opening part, more whole supporting frame 16 is pushed in the adsorption layer shell 6, form structure shown in Figure 5.Through operation for a long time, the adsorption activity of adsorbent can reduce gradually until final forfeiture, and take clarifier this moment apart, and supporting frame 16 is extracted out, just can easily integral type adsorbent 11 be taken out in supporting frame 16, carry out activation processing or change adsorbent.
Fig. 8 has described the structure chart of supporting frame 16 and wedge shaped baffle 15.Wedge shaped baffle 15 can adopt aluminum alloy materials to make with supporting frame 16, and welds together.For reaching good sealing effectiveness, the supporting frame 16 air inlet sides 17 and the side 19 of giving vent to anger adopt the aluminum alloy materials of relative broad, and with face that adsorption layer housing 6 contacts on be carved with groove 18, embedded silastic sealing strip (not shown).Be carved with the groove 19 that can embed silastic sealing strip equally with the place that housing contacts with integral type adsorbent 11 around the wedge shaped baffle 15, as shown in Figure 9.
Above-described only for a preferred embodiment of engine air cleaner of the present invention; be not to be used for limiting scope of the invention process; therefore all equivalent variations and modifications of being done according to the described shape of the present patent application claim, structure, feature and spirit all should be encompassed in protection scope of the present invention.
Claims (13)
1, a kind of engine air cleaner, comprise the adsorption layer housing, be located at the adsorption layer in the adsorption layer housing, it is characterized in that: described adsorption layer comprises a plurality of air flow passage, replaces integral type adsorbent, a plurality of wedge shaped baffle of being located on the air flow passage of arranging with air flow passage, described integral type adsorbent is the layer structure of spacing arrangement, and described wedge shaped baffle is located between the integral type adsorbent of layer structure.
2, engine air cleaner according to claim 1 is characterized in that: also comprise the inlet channel and the outlet passageway that are fixed in adsorption layer housing two ends.
3, engine air cleaner according to claim 2 is characterized in that: described inlet, outlet passage is taper, and the cross-sectional area of an end of fixedlying connected with described adsorption layer housing is greater than the cross-sectional area of the other end.
4, engine air cleaner according to claim 1 is characterized in that: the angle of described part or all of wedge shaped baffle and laminated integrally formula adsorbent is 45 degree.
5, engine air cleaner according to claim 2 is characterized in that: be fixed with the hydrophobicity polymeric membrane between described inlet channel and the adsorption layer housing.
6, engine air cleaner according to claim 5, it is characterized in that: described hydrophobicity polymeric membrane constitutes by the hydrophobicity polymeric material or through the polymeric material that possesses hydrophobicity after the chemical modification, and described polymeric material is selected from one or more in polyethylene, polytetrafluoroethylene, polypropylene, polysiloxanes, nylon, the terylene.
7, engine air cleaner according to claim 2 is characterized in that: be fixed with metal screen between described outlet passageway and the adsorption layer housing.
8, engine air cleaner according to claim 2 is characterized in that: the material of described integral type adsorbent is selected from one or more in the active carbon, activated carbon fiber, activated alumina, molecular sieve, aeroge, ion exchange resin, ion-exchange fibre of porousness, bigger serface.
9, according to arbitrary described engine air cleaner in the claim 1 to 8, it is characterized in that: described adsorption layer also comprises the supporting frame of integral type adsorbent, and described integral type adsorbent is located in the described supporting frame.
10, engine air cleaner according to claim 9 is characterized in that: described supporting frame is netted.
11, engine air cleaner according to claim 10 is characterized in that: described supporting frame is fixedlyed connected with described wedge shaped baffle.
12, engine air cleaner according to claim 11, it is characterized in that: described supporting frame, wedge shaped baffle are provided with groove with the part that described adsorption layer housing contacts, and are provided with the sealing strip that sealing described supporting frame, wedge shaped baffle are connected with described adsorption layer housing in the described groove.
13, according to arbitrary described engine air cleaner in claim 3 or 5 or 6 or 7 or 8, it is characterized in that: the cross section of adsorption layer housing is square, described inlet channel transits to square gradually by circle, and described taper outlet passageway then transits to circle gradually by square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100302914A CN100466353C (en) | 2006-08-22 | 2006-08-22 | Engine air cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100302914A CN100466353C (en) | 2006-08-22 | 2006-08-22 | Engine air cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101079489A CN101079489A (en) | 2007-11-28 |
| CN100466353C true CN100466353C (en) | 2009-03-04 |
Family
ID=38906807
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100302914A Active CN100466353C (en) | 2006-08-22 | 2006-08-22 | Engine air cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100466353C (en) |
Cited By (1)
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|---|---|---|---|---|
| TWI399250B (en) * | 2010-08-06 | 2013-06-21 |
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| Publication number | Publication date |
|---|---|
| CN101079489A (en) | 2007-11-28 |
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Assignee: Kunshan Fuersai Energy Co., Ltd. Assignor: Tongji University Contract record no.: 2010320001070 Denomination of invention: Engine air cleaner Granted publication date: 20090304 License type: Exclusive License Open date: 20071128 Record date: 20100804 |