CN103925046B - Automobile tail gas filtering device - Google Patents
Automobile tail gas filtering device Download PDFInfo
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- CN103925046B CN103925046B CN201410156955.6A CN201410156955A CN103925046B CN 103925046 B CN103925046 B CN 103925046B CN 201410156955 A CN201410156955 A CN 201410156955A CN 103925046 B CN103925046 B CN 103925046B
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Abstract
Automobile tail gas filtering device, comprise heat-resisting filter core, heat radiation outer cover and the affixed rear formation two ends of end cap narrow, middle wide shell construction, described two narrow ends 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, heat-resisting filter core inner chamber is communicated with exhaust outlet one, and heat-resisting filter core is tightly connected near between one end of exhaust outlet one and the outer cover inner surface of heat radiation, heat-resisting filter core outer cover is provided with heat radiation inner cover, and leave radial clearance between heat-resisting filter core outer surface and the interior cover inner surface of heat radiation, the periphery of heat radiation inner cover is provided with spinning disk one, heat radiation inner cover and heat-resisting filter core are closed end near one end of tail gas suction port, heat radiation outer cover outer cover is provided with negative pressure heat dissipating housing, and the periphery of heat radiation outer cover is provided with spinning disk two, the both ends open of negative pressure heat dissipating housing, and the heat radiation exhaust outlet one of outer cover is fixedly connected with exhaust outlet two radial direction of the contraction of negative pressure heat dissipating housing.The present invention can effectively filter the discharge of Vehicular exhaust and dispel the heat.
Description
Technical field
The present invention relates to vehicle maintenance service technical field, be specifically related to the tail gas filter of tunnelling works vehicle.
Background technique
Along with vehicle fleet size gets more and more, using scope is more and more wider, and Vehicular exhaust pollutes day by day becomes global problem.Main containing CO, hydrocarbon, NOX, PM particulate material in the exhaust emission of vehicle, wherein, PM roughly can be divided into two kinds of components: a kind of is its soluble organic fraction (SOF) dissolving in organic solution, and it is mainly derived from unburned fuel, lubricant oil and combustion intermediate product; Another kind is the dry basis being insoluble to organic solution, primarily of dry soot (DS) and sulphate composition, wherein SOF accounts for 20%, sulphate accounts for 10%, DS accounts for 60%, wherein the proportion of soot is maximum, therefore with regard to the harmfulness of exhaust emissions, the still soot paid close attention to most, after soot enters air, is suspended in space with granular, likely excrete after the particle suction human lung of 2 microns ~ 10 microns, the particle of less than 2 microns then can deposit in vivo, and causes 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, the supply capacity of fresh air is weak, and therefore the discharge quality of tunnel Vehicular exhaust will certainly cause larger impact to tunneling environment, and causes vicious circle to tunnel vehicle operating environment.
The tail gas of high soot is normally incorporated in bulky water tank by traditional tail gas filter, discharged to air after water filtration absorbs, and huge water tank sum deadweight, the load of Construction traffic own is directly caused to increase, then make vehicle mobility variation, maintenance cost increases and oil consumption increases, 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.Also have in prior art and adopt catalyzer or chemical treatment to filter the method for 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, provides a kind of automobile tail gas filtering device, and it can effectively filter the discharge of Vehicular exhaust and dispel the heat, 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 tightly connected near 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 is fixedly connected with exhaust outlet two radial direction of the contraction of negative pressure heat dissipating housing.
Its further technological scheme is:
The described closed end of heat radiation inner cover is provided with conical flow guiding cover.
Fixing frame is provided with in described heat-resisting filter core, 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 heat-resisting filter core, air guide sleeve successively.
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.
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 comprises 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 the Inside concave fillet section two with 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, namely by 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 pass through between heat radiation inner cover and heat radiation outer cover, dispelling the heat between outer cover and negative pressure heat dissipating housing all arranges spinning disk, 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 select frustoconic shape paper folding structure further, the filter cartridge construction of improvement is made more to meet fluid flow fields distribution, 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.
Accompanying drawing explanation
Fig. 1 of the present inventionly partly cuts open structural representation.
Fig. 2 is structural blast figure of the present invention, in figure screw rod and fixing frame not shown.
Wherein: 1, heat-resisting filter core; 2, dispel the heat outer cover; 201, exhaust outlet one; 202, spinning disk two; 3, end cap; 301, tail gas suction port; 4, dispel the heat 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 the affixed rear formation of end cap 3, 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 carries out end face seal near between one end of exhaust outlet 1 and the internal surface of heat radiation outer cover 2 by heat resistant joint ring 11, 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 is fixedly connected with exhaust outlet 2 501 radial direction of the contraction of negative pressure heat dissipating housing 5, particularly, the periphery of the exhaust outlet 1 of heat radiation outer cover 2 is provided with multiple bolt fixed base 12, negative pressure heat dissipating housing 5, exhaust outlet 2 501 is fixedly connected with bolt fixed base 12 by radial bolts.
Further, in order to make tail gas guide on the spinning disk 1 of heat radiation inner cover 4 as much as possible, reducing air fluid resistance simultaneously, evading 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, fixing frame 7 is provided with in heat-resisting filter core 1, fixing frame 7 one end is 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, be fixed on air guide sleeve 6 by wing nut 2 10 after air guide sleeve 6, thus heat-resisting filter core 1 and heat radiation inner cover 4 are installed in heat radiation outer cover 2, and can be regulated by the axial compression sealing of the method screwing moment of torsion to heat resistant joint ring 11 loading wing nut 1.
Further, in order to more meet fluid flow fields distribution character, realize Low ESR, make described heat-resisting filter core 1 in 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 near exhaust outlet 1 in order to improve the rigidity of heat radiation inner cover 4, 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.
Flow to exhaust outlet 2 501 place of negative pressure heat dissipating housing 5 more swimmingly to make gas, transition and linkage section between the exhaust outlet 2 501 and the cover body of negative pressure heat dissipating housing 5 of negative pressure heat dissipating housing 5 is 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:
When reality uses, 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 is entered by heat radiation outer cover 2 with in the affixed described shell construction formed 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 to rotate in the space that is transported 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 the internal surface of heat radiation outer cover 2, thus 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 entered in the space between the internal surface of heat radiation 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 stays heat-resisting filter core 1 outer surface, filtered tail gas can be discharged from the exhaust outlet 1 of heat radiation outer cover 2, and then discharge from the exhaust outlet 2 501 of negative pressure heat dissipating housing 5, because negative pressure heat dissipating housing 2 is the structure of both ends open, one brings out air port 2 501 and is vented 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, the air entered between negative pressure heat dissipating housing 5 internal surface and heat radiation outer cover 2 outer surface from the other end opening of negative pressure heat dissipating housing 5 is impelled to flow to exhaust outlet 2 501 under the helical feed of spinning disk 2 202 thus, under the helical feed and conductive force of spinning disk 2 201, the air entered between negative pressure heat dissipating housing 5 internal surface and heat radiation outer cover 2 outer surface effectively can shift the amount of residual heat will of outer cover 2 outer surface that dispels the heat, thus improve radiating efficiency further.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do 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 tightly connected near 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 fixedly connected with exhaust outlet two (501) radial direction of the contraction of negative pressure heat dissipating housing (5).
2. by automobile tail gas filtering device according to 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 according to 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), air guide sleeve (6) is successively fixed on air guide sleeve (6) by wing nut two (10) afterwards.
4. by automobile tail gas filtering device according to claim 1, it is characterized in that: described heat-resisting filter core (1) is in 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 the cover body of the wide end of heat-resisting filter core (1), heat radiation inner cover (4) is all near exhaust outlet one (201).
5. by automobile tail gas filtering device according to 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: 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) comprises 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 the Inside concave fillet section two (504) with 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 CN103925046A (en) | 2014-07-16 |
| CN103925046B true 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN103925046B (en) |
Families Citing this family (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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080236118A1 (en) * | 2007-03-27 | 2008-10-02 | Meyer Robert L | Exhaust particulate filter for a machine engine system and assembly method therefor |
| SE535155C2 (en) * | 2010-08-31 | 2012-05-02 | Scania Cv Ab | Procedure and systems for exhaust gas purification |
| 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 |
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2014
- 2014-04-18 CN CN201410156955.6A patent/CN103925046B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN103925046A (en) | 2014-07-16 |
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Granted publication date: 20160316 Termination date: 20200418 |