CN103925046A - Automobile exhaust filter device - Google Patents
Automobile exhaust filter device Download PDFInfo
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- CN103925046A CN103925046A CN201410156955.6A CN201410156955A CN103925046A CN 103925046 A CN103925046 A CN 103925046A CN 201410156955 A CN201410156955 A CN 201410156955A CN 103925046 A CN103925046 A CN 103925046A
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- heat
- heat radiation
- cover
- filter core
- negative pressure
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Abstract
An automobile exhaust filter device comprises a heat-resisting filter element, a shell structure is formed by fixedly connecting an outer heat dissipation cover with an end cover, the two ends of the shell structure are narrow, the middle of the shell structure is wide, the two narrow ends are a first air outlet of the outer heat dissipation cover and an exhaust inlet of the end cover, the heat-resisting filter element is fixedly supported inside the outer heat dissipation cover, an inner cavity of the heat-resisting filter element is communicated with the first air outlet, and one end, close to the first air outlet, of the heat-resisting filter element is connected with the inner surface of the outer heat dissipation cover in a sealed mode. The heat-resisting filter element is sleeved with an inner heat dissipation cover, a radial gap is formed between the outer surface of the heat-resisting filter element and the inner surface of the inner heat dissipation cover, first rotational flow pieces are arranged on the periphery of the inner heat dissipation cover, and one end, close to the exhaust inlet, of the inner heat dissipation cover and one end close to the exhaust inlet, of the heat-resisting filter element are respectively a sealed end. The outer heat dissipation cover is sleeved with a negative pressure heat dissipation cover, second rotational flow pieces are arranged on the periphery of the outer heat dissipation cover, the two ends of the negative pressure heat dissipation cover are provided with openings, and the first air outlet of the outer heat dissipation cover is fixedly connected with a second shrunk air outlet of the negative pressure heat dissipation cover in the radial direction. The automobile exhaust filter device can be used for conducting effective filtration and heat dissipation on exhaust discharged by an automobile.
Description
Technical field
The present invention relates to vehicle exhaust processing technology field, be specifically related to the tail gas filter of tunnelling works vehicle.
Background technique
Along with vehicle fleet size is more and more, using scope is more and more wider, and Vehicular exhaust pollutes day by day becomes global problem.In the exhaust emission of vehicle, mainly contain CO, hydrocarbon, NOX, PM particulate material, wherein, PM roughly can be divided into two kinds of components: a kind of is its soluble organic fraction (SOF) that dissolves in organic solution, and it is mainly derived from unburned fuel, lubricant oil and combustion intermediate product; Another kind is the dry basis that is insoluble to organic solution, mainly formed by dry soot (DS) and sulphate, wherein SOF accounts for 20%, sulphate accounts for 10%, DS accounts for 60%, the wherein proportion maximum of soot, therefore with regard to the harmfulness of exhaust emissions, the still soot of paying close attention to most, soot enters after atmosphere, is suspended in space with granular, the particle of 2 microns ~ 10 microns likely excretes after sucking human lung, 2 microns of following particles can deposit in vivo, and cause pathology, serious harm health; On the other hand, the increasing of soot content in environment, can cause the filter core of engine aspirating system to lose efficacy, and finally affects the performance of motor.Tunnelling works is due to the particularity of its work post, working environment is comparatively inaccessible, a little less than the supply capacity of fresh air, therefore the discharge quality of tunnel Vehicular exhaust will certainly cause larger impact to tunneling environment, and tunnel vehicle operation environment is caused to vicious circle.
Traditional tail gas filter is normally incorporated into the tail gas of high soot in bulky water tank, through water filtration absorb after discharged to atmosphere, and huge water tank volume and deadweight, directly cause the load of Construction traffic own to increase, then make vehicle mobile variation, maintenance cost increase and oil consumption increase, and these harmful effects can cause the discharge of more tail gas on the other hand, therefore traditional exhaust gas treating method effect is unsatisfactory.In prior art, also have the method that adopts catalyzer or chemical treatment to filter tail gas, but this class methods use and maintenance cost is very high.
Summary of the invention
The applicant improves for above-mentioned shortcoming of the prior art, and a kind of automobile tail gas filtering device is provided, and it can effectively filter and dispel the heat the discharge of Vehicular exhaust, and stable, reliable.
Technological scheme of the present invention is as follows:
Automobile tail gas filtering device, comprise heat-resisting filter core, the overall structure of heat radiation outer cover and the affixed rear formation of end cap is that two ends are narrow, middle wide shell construction, two narrow ends of described shell construction are respectively the exhaust outlet one of heat radiation outer cover, the tail gas suction port of end cap, heat-resisting filter core is fixedly supported in heat radiation outer cover, the inner chamber of heat-resisting filter core is communicated with exhaust outlet one, and heat-resisting filter core is near being tightly connected between one end of exhaust outlet one and the internal surface of heat radiation outer cover, the outer cover of heat-resisting filter core is provided with heat radiation inner cover, and leave radial clearance between the internal surface of the outer surface of heat-resisting filter core and heat radiation inner cover, the periphery of heat radiation inner cover is provided with spinning disk one, spinning disk one is fixed in the internal surface of heat radiation outer cover, heat radiation inner cover and heat-resisting filter core are closed end near one end of tail gas suction port, the outer cover of heat radiation outer cover is provided with negative pressure heat dissipating housing, the periphery of heat radiation outer cover is provided with spinning disk two, spinning disk two is fixed in the internal surface of negative pressure heat dissipating housing, the both ends open of negative pressure heat dissipating housing, and the heat radiation exhaust outlet one of outer cover and the exhaust outlet two of the contraction of negative pressure heat dissipating housing are radially fixedly connected with.
Its further technological scheme is:
The described closed end of heat radiation inner cover is provided with conical flow guiding cover.
In described heat-resisting filter core, be provided with fixing frame, fixing frame one end is affixed with the inwall of heat radiation outer cover, the other end is connected with axial screw, screw rod is fixed on the described closed end of heat-resisting filter core by wing nut one, and screw rod is fixed on air guide sleeve by wing nut two after stretching out successively heat-resisting filter core, air guide sleeve.
Described heat-resisting filter core is frustoconic shape, and the cover body of heat radiation inner cover is frustoconic shape, and spinning disk one is located at the periphery of the cover body of heat radiation inner cover, and the wide end of described two frustoconic shape structures is near exhaust outlet one.
The end face of the described closed end of heat radiation inner cover is provided with the circular groove of indent, and circular groove is connected with air guide sleeve.
In transition and linkage section between the exhaust outlet two of described negative pressure heat dissipating housing and the cover body of negative pressure heat dissipating housing, comprise evagination fillet section and Inside concave fillet section one, evagination fillet section is connected with the cover body of negative pressure heat dissipating housing, Inside concave fillet Duan Yiyu exhaust outlet two is connected, and another opening end of described negative pressure heat dissipating housing is and the Inside concave fillet section two of the cover body transition and linkage of negative pressure heat dissipating housing.
Technique effect of the present invention:
1, the present invention is by the improvement to radiating structure in vent gas treatment, pass through the setting of the socket join structure layer by layer of heat radiation inner cover, heat radiation outer cover and negative pressure heat dissipating housing, and by between heat radiation inner cover and heat radiation outer cover, dispelling the heat all arranges spinning disk between outer cover and negative pressure heat dissipating housing, by the two-stage eddy flow thermolysis of two-stage spinning disk, tail gas radiating efficiency be can effectively improve, and the working life of filter core and the stability of whole filtrating equipment effectively extended;
2, the present invention is by being arranged to frustoconic shape structure by heat-resisting filter core, and further select frustoconic shape paper folding structure, making improved filter cartridge construction more meet fluid flow fields distributes, realize Low ESR, and can effectively utilize filter interior space, increase Filter paper filtering area, promote filter core dust containing capacity, extend filter core maintenance period and reduce maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation that partly cuts open of the present invention.
Fig. 2 is structure explosive view of the present invention, and in figure, screw rod and fixing frame are not shown.
Wherein: 1, heat-resisting filter core; 2, heat radiation outer cover; 201, exhaust outlet one; 202, spinning disk two; 3, end cap; 301, tail gas suction port; 4, heat radiation inner cover; 401, spinning disk one; 402, circular groove; 5, negative pressure heat dissipating housing; 501, exhaust outlet two; 502, evagination fillet section; 503, Inside concave fillet section one; 504, Inside concave fillet section two; 6, air guide sleeve; 7, fixing frame; 8, screw rod; 9, wing nut one; 10, wing nut two; 11, heat resistant joint ring; 12, bolt fixed base.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
See Fig. 1, Fig. 2, the present invention includes heat-resisting filter core 1, heat radiation outer cover 2 is that two ends are narrow with the overall structure of end cap 3 affixed rear formation, middle wide shell construction, two narrow ends of described shell construction are respectively the exhaust outlet 1 of heat radiation outer cover 2, the tail gas suction port 301 of end cap 3, heat-resisting filter core 1 is fixedly supported in heat radiation outer cover 2, the inner chamber of heat-resisting filter core 1 is communicated with exhaust outlet 1, and heat-resisting filter core 1 is near carrying out end face seal by heat resistant joint ring 11 between one end of exhaust outlet 1 and the internal surface of heat radiation outer cover 2, the outer cover of heat-resisting filter core 1 is provided with heat radiation inner cover 4, and leave radial clearance between the internal surface of the outer surface of heat-resisting filter core 1 and heat radiation inner cover 4, the periphery of heat radiation inner cover 4 is provided with spinning disk 1, spinning disk 1 is fixed in the internal surface of heat radiation outer cover 2, heat radiation inner cover 4 and heat-resisting filter core 1 are closed end near one end of tail gas suction port 301, the outer cover of heat radiation outer cover 2 is provided with negative pressure heat dissipating housing 5, the periphery of heat radiation outer cover 2 is provided with spinning disk 2 202, spinning disk 2 202 is fixed in the internal surface of negative pressure heat dissipating housing 5, the two ends of negative pressure heat dissipating housing 5 are hatch frame, the heat radiation exhaust outlet 1 of outer cover 2 and the exhaust outlet 2 501 of the contraction of negative pressure heat dissipating housing 5 are radially fixedly connected with, particularly, the periphery of the exhaust outlet 1 of heat radiation outer cover 2 is provided with multiple bolt fixed bases 12, negative pressure heat dissipating housing 5, exhaust outlet 2 501 is fixedly connected with bolt fixed base 12 by radial bolts.
Further, for tail gas is guided on the spinning disk 1 of heat radiation inner cover 4 as much as possible, reduce air fluid resistance simultaneously, evade flow-disturbing, fluid flow fields is rationalized more, be provided with conical flow guiding cover 6 at the described closed end of heat radiation inner cover 4, the concrete fixed installation structure of heat-resisting filter core 1 and heat radiation inner cover 4 is shown in Fig. 1, in heat-resisting filter core 1, be provided with fixing frame 7, fixing frame 7 one end are welded and fixed with the inwall of heat radiation outer cover 2, the other end is connected with axial screw 8, screw rod 8 is fixed on the described closed end of heat-resisting filter core 1 by wing nut 1, and screw rod 8 stretches out heat-resisting filter core 1 successively, after air guide sleeve 6, be fixed on air guide sleeve 6 by wing nut 2 10, thus heat-resisting filter core 1 and heat radiation inner cover 4 are installed in heat radiation outer cover 2, and can regulate the axial compression sealing of heat resistant joint ring 11 by the method that screws moment of torsion that loads wing nut 1.
Further, in order more to meet fluid flow fields distribution character, realize Low ESR, make described heat-resisting filter core 1 be frustoconic shape, and preferred frustoconic shape paper folding structure, the cover body of heat radiation inner cover 4 is frustoconic shape, spinning disk 1 is located at the periphery of the cover body of heat radiation inner cover 4, and the wide end of described two frustoconic shape structures in order to improve the rigidity of heat radiation inner cover 4, is provided with the circular groove 402 of indent near exhaust outlet 1 on the end face of described closed end of heat radiation inner cover 4, and circular groove 402 is connected with air guide sleeve 6.
For gas is flowed to exhaust outlet 2 501 places of negative pressure heat dissipating housing 5 more swimmingly, in the transition and linkage section between the exhaust outlet 2 501 of negative pressure heat dissipating housing 5 and the cover body of negative pressure heat dissipating housing 5, be provided with evagination fillet section 502 and Inside concave fillet section 1, evagination fillet section 502 is connected with the cover body of negative pressure heat dissipating housing 5, Inside concave fillet section 1 is connected with exhaust outlet 2 501, and another opening end of negative pressure heat dissipating housing 5 is arranged to the Inside concave fillet section 2 504 with the cover body transition and linkage of negative pressure heat dissipating housing 5.
Filter process of the present invention is as follows:
In the time that reality is used, end cap tail gas suction port 301 of the present invention is linked on the outlet pipe of vehicle motor, the waste gas that engine operation is discharged enters by heat radiation outer cover 2 and the affixed described shell construction forming of end cap 3 by tail gas suction port 301, under the guiding of air guide sleeve 6, tail gas is introduced on the spinning disk 1 of heat radiation inner cover 4, under the helical feed effect of spinning disk 1, tail gas is forced rotation to be transported in the space between the heat radiation internal surface of inner cover 4 and the outer surface of heat-resisting filter core 1, simultaneously under the conductive force of spinning disk 1, a big chunk heat in tail gas is stayed to the internal surface of heat radiation outer cover 2, thereby play the effect of protection filter core, due to end face seal between heat-resisting filter core 1 and the internal surface of heat radiation outer cover 2, and the inner chamber of heat-resisting filter core 1 is communicated with exhaust outlet 1, the tail gas entering in the space between the heat radiation internal surface of inner cover 4 and the outer surface of heat-resisting filter core 1 can only pass heat-resisting filter core 1, under the filtration of heat-resisting filter core 1, by harmful gas, carbon soot particles is stayed heat-resisting filter core 1 outer surface, filtered tail gas can be discharged from the exhaust outlet of heat radiation outer cover 21, and then discharge from the exhaust outlet 2 501 of negative pressure heat dissipating housing 5, due to negative pressure heat dissipating housing 2 structure that is both ends open, one brings out air port 2 501 exhaust outward under the effect of blast duct for vehicle, therefore, the inevitable the other end opening at negative pressure heat dissipating housing 5 forms negative pressure, impel thus the air entering between negative pressure heat dissipating housing 5 internal surfaces and heat radiation outer cover 2 outer surfaces from the other end opening of negative pressure heat dissipating housing 5 to flow to exhaust outlet 2 501 under the helical feed of spinning disk 2 202, under the helical feed and conductive force of spinning disk 2 201, the air that enters negative pressure heat dissipating housing 5 internal surfaces and dispel the heat between outer cover 2 outer surfaces can effectively shift the amount of residual heat will of heat radiation outer cover 2 outer surfaces, thereby further improve radiating efficiency.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of amendment.
Claims (6)
1. automobile tail gas filtering device, comprise heat-resisting filter core (1), it is characterized in that: heat radiation outer cover (2) is that two ends are narrow with the overall structure of the affixed rear formation of end cap (3), middle wide shell construction, two narrow ends of described shell construction are respectively the exhaust outlet one (201) of heat radiation outer cover (2), the tail gas suction port (301) of end cap (3), heat-resisting filter core (1) is fixedly supported in heat radiation outer cover (2), the inner chamber of heat-resisting filter core (1) is communicated with exhaust outlet one (201), and heat-resisting filter core (1) is near being tightly connected between one end of exhaust outlet one (201) and the internal surface of heat radiation outer cover (2), the outer cover of heat-resisting filter core (1) is provided with heat radiation inner cover (4), and leave radial clearance between the internal surface of the outer surface of heat-resisting filter core (1) and heat radiation inner cover (4), the periphery of heat radiation inner cover (4) is provided with spinning disk one (401), spinning disk one (401) is fixed in the internal surface of heat radiation outer cover (2), heat radiation inner cover (4) and heat-resisting filter core (1) are closed end near one end of tail gas suction port (301), the outer cover of heat radiation outer cover (2) is provided with negative pressure heat dissipating housing (5), the periphery of heat radiation outer cover (2) is provided with spinning disk two (202), spinning disk two (202) is fixed in the internal surface of negative pressure heat dissipating housing (5), the both ends open of negative pressure heat dissipating housing (5), the exhaust outlet one (201) of heat radiation outer cover (2) is radially fixedly connected with the exhaust outlet two (501) of the contraction of negative pressure heat dissipating housing (5).
2. by automobile tail gas filtering device claimed in claim 1, it is characterized in that: the described closed end of heat radiation inner cover (4) is provided with conical flow guiding cover (6).
3. by automobile tail gas filtering device claimed in claim 2, it is characterized in that: in described heat-resisting filter core (1), be provided with fixing frame (7), fixing frame (7) one end is affixed with the inwall of heat radiation outer cover (2), the other end is connected with axial screw (8), screw rod (8) is fixed on the described closed end of heat-resisting filter core (1) by wing nut one (9), and screw rod (8) stretches out heat-resisting filter core (1) successively, air guide sleeve (6) is fixed on air guide sleeve (6) by wing nut two (10) afterwards.
4. by automobile tail gas filtering device claimed in claim 1, it is characterized in that: described heat-resisting filter core (1) is frustoconic shape, the cover body of heat radiation inner cover (4) is frustoconic shape, spinning disk one (401) is located at the periphery of the cover body of heat radiation inner cover (4), and the wide end of described two frustoconic shape structures is near exhaust outlet one (201).
5. by automobile tail gas filtering device claimed in claim 2, it is characterized in that: the end face of the described closed end of heat radiation inner cover (4) is provided with the circular groove (402) of indent, and circular groove (402) is connected with air guide sleeve (6).
6. by the automobile tail gas filtering device described in the arbitrary claim of claim 1 to 5, it is characterized in that: in the transition and linkage section between the exhaust outlet two (501) of described negative pressure heat dissipating housing (5) and the cover body of negative pressure heat dissipating housing (5), comprise evagination fillet section (502) and Inside concave fillet section one (503), evagination fillet section (502) is connected with the cover body of negative pressure heat dissipating housing (5), Inside concave fillet section one (503) is connected with exhaust outlet two (501), another opening end of described negative pressure heat dissipating housing (5) is and the Inside concave fillet section two (504) of the cover body transition and linkage of negative pressure heat dissipating housing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156955.6A CN103925046B (en) | 2014-04-18 | 2014-04-18 | Automobile tail gas filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156955.6A CN103925046B (en) | 2014-04-18 | 2014-04-18 | Automobile tail gas filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103925046A true CN103925046A (en) | 2014-07-16 |
| CN103925046B CN103925046B (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156955.6A Expired - Fee Related CN103925046B (en) | 2014-04-18 | 2014-04-18 | Automobile tail gas filtering device |
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| Country | Link |
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| CN (1) | CN103925046B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791062A (en) * | 2015-04-11 | 2015-07-22 | 成都陵川特种工业有限责任公司 | Exhaust pipe capable of reducing tail gas pollution |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008118275A1 (en) * | 2007-03-27 | 2008-10-02 | Caterpillar Inc. | Exhaust particulate filter for a machine engine system and assembly method therefor |
| CN202732048U (en) * | 2012-09-05 | 2013-02-13 | 周峰 | Automobile tail gas filtering device |
| CN202851110U (en) * | 2012-09-07 | 2013-04-03 | 成都默一科技有限公司 | Automobile exhaust recovery device |
| CN103069122A (en) * | 2010-08-31 | 2013-04-24 | 斯堪尼亚商用车有限公司 | Method and system for exhaust cleaning |
| CN203835501U (en) * | 2014-04-18 | 2014-09-17 | 高华 | Automobile tail gas filtering device |
-
2014
- 2014-04-18 CN CN201410156955.6A patent/CN103925046B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008118275A1 (en) * | 2007-03-27 | 2008-10-02 | Caterpillar Inc. | Exhaust particulate filter for a machine engine system and assembly method therefor |
| CN103069122A (en) * | 2010-08-31 | 2013-04-24 | 斯堪尼亚商用车有限公司 | Method and system for exhaust cleaning |
| CN202732048U (en) * | 2012-09-05 | 2013-02-13 | 周峰 | Automobile tail gas filtering device |
| CN202851110U (en) * | 2012-09-07 | 2013-04-03 | 成都默一科技有限公司 | Automobile exhaust recovery device |
| CN203835501U (en) * | 2014-04-18 | 2014-09-17 | 高华 | Automobile tail gas filtering device |
Non-Patent Citations (1)
| Title |
|---|
| 公衍峰等: "柴油机尾气净化装置中壁流式蜂窝陶瓷过滤体", 《现代化农业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791062A (en) * | 2015-04-11 | 2015-07-22 | 成都陵川特种工业有限责任公司 | Exhaust pipe capable of reducing tail gas pollution |
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| Publication number | Publication date |
|---|---|
| CN103925046B (en) | 2016-03-16 |
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