CN210195847U - Parallel particle filtering system based on foam alloy - Google Patents
Parallel particle filtering system based on foam alloy Download PDFInfo
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- CN210195847U CN210195847U CN201920569143.2U CN201920569143U CN210195847U CN 210195847 U CN210195847 U CN 210195847U CN 201920569143 U CN201920569143 U CN 201920569143U CN 210195847 U CN210195847 U CN 210195847U
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- granule
- end cover
- foam alloy
- barrel
- fixed intercommunication
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a diesel engine technical field just discloses a parallelly connected granule filtration system based on foam alloy, including outer barrel, the inside fixed mounting of outer barrel has interior barrel, the inner chamber fixed mounting of interior barrel has granule entrapment device, outer end cover is installed to the bottom of urceolus internal chamber, the fixed intercommunication of left surface of outer barrel has the intake pipe, the fixed intercommunication in bottom of granule entrapment device has the flange of admitting air, the top fixed mounting of interior barrel has the end cover of giving vent to anger, the fixed intercommunication in top of granule entrapment device has the flange of giving vent to anger, the fixed intercommunication in top of the end cover of giving vent to anger has the outlet duct. This parallelly connected granule filtration system based on foam alloy is parallelly connected through connecting four granule traps to increase the area of contact of inside foam alloy and gas, make NO2 and soot granule's area of contact, thereby accelerate regeneration reaction rate, reduce piling up of carbon granule, and then reduce the risk of jam, increase of service life.
Description
Technical Field
The utility model relates to a diesel engine technical field specifically is a parallelly connected particle filtration system based on foam alloy.
Background
At present in diesel engine tail gas particulate trap (DPF), the most widely used product is the ceramic carrier of wall flow filter core structure, both ends must all seal all pore canals with crisscross mode, but the DPF of this structure appears being heated unevenly easily, cause DPF local burning to melt or break, once DPF soot begins to pile up, its pile rate can be faster and faster, finally lead to DPF to block up fast, thereby cause the increase of engine exhaust backpressure, engine power descends, the oil consumption increases, cause the engine to put out fire even, so reduce the jam risk of DPF carrier itself and be the basis of solving prior art difficult problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a parallelly connected granule filtration system based on foam alloy possesses increase carbon particle and NO 2's area of contact for regeneration reaction rate prolongs the live time of particulate filter DPF, reduces the advantage of maintenance cost, has solved the problem of mentioning in the above background art.
The utility model provides a following technical scheme: the utility model provides a parallelly connected granule filtration system based on foam alloy, includes outer barrel, the inside fixed mounting of outer barrel has interior barrel, the inner chamber fixed mounting of interior barrel has granule entrapment device, outer end cover is installed to the bottom of outer barrel inner chamber, the fixed intercommunication of left surface of outer barrel has the intake pipe, the fixed intercommunication in bottom of granule entrapment device has the air inlet flange, the top fixed mounting of interior barrel has the end cover of giving vent to anger, the fixed intercommunication in top of granule entrapment device has the flange of giving vent to anger, the fixed intercommunication in top of the end cover of giving vent to anger has the outlet duct, the top of outer barrel is run through in the top of outlet duct and is extended to the top of outer barrel.
Preferably, the number of the particle trapping devices is four, and the four particle trapping devices are connected in parallel.
Preferably, a vertical air passage is formed by the left side wall of the inner cavity of the outer cylinder and the left side of the inner cylinder, and the bottom of the vertical air passage is communicated with the top of the air inlet flange.
Preferably, the bottom of the air inlet flange and the top of the outer end cover form a lower transverse air passage, and the lower transverse air passage is communicated with the bottom of the particle trapping device.
Preferably, the top of the air outlet flange and the bottom of the air outlet end cover form an upper transverse air passage, and the bottom of the upper transverse air passage is communicated with the top of the particle trapping device.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this parallelly connected granule filtration system based on foam alloy is parallelly connected through connecting four granule traps to increase the area of contact of inside foam alloy and gas, make NO2 and soot granule's area of contact, thereby accelerate regeneration reaction rate, reduce piling up of carbon granule, and then reduce the risk of jam, increase of service life.
2. This parallelly connected particle filtration system based on foam alloy, the high mechanical properties that passes through foam alloy in the particle trap can have fine shock resistance, utilizes foam alloy's high thermal conductivity, and heat distribution is even, is favorable to going on passively fast, guarantees at the in-process of regeneration, thereby can not burn through the carrier because of local high temperature to increase of service life.
Drawings
FIG. 1 is a sectional view of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the air inlet flange of the present invention;
fig. 4 is a schematic view of the structure of the air outlet flange of the present invention.
In the figure: 1. an air inlet pipe; 2. an outer cylinder; 3. an outer end cover; 4. an air inlet flange; 5. a particle trapping device; 6. an inner cylinder; 7. an air outlet flange; 8. an air outlet end cover; 9. and an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a parallel particle filtering system based on foam alloy comprises an outer cylinder 2, an inner cylinder 6 is fixedly installed inside the outer cylinder 2, the outer cylinder 2 and the inner cylinder 6 are matched to enable the device to enable the gas sealing effect to be better, a vertical air passage is formed between the left side wall of the inner cavity of the outer cylinder 2 and the left side of the inner cylinder 6, the bottom of the vertical air passage is communicated with the top of an air inlet flange 4, particle collecting devices 5 are fixedly installed in the inner cavity of the inner cylinder 6, the number of the particle collecting devices 5 is four, the four particle collecting devices 5 are connected in parallel, so that the contact area of the foam alloy inside and the gas is increased, the contact area of NO2 and soot particles is increased, the regeneration reaction rate is accelerated, the accumulation of carbon particles is reduced, the risk of blockage is reduced, and the service life is prolonged, through the high-strength mechanical property of the foam alloy in the particle catcher 5, the vibration resistance is good, the high thermal conductivity of the foam alloy is utilized, the heat distribution is uniform, the rapid proceeding of passive regeneration is facilitated, the situation that the carrier is burnt through due to overhigh local temperature in the regeneration process is ensured, the service life is prolonged, the outer end cover 3 is installed at the bottom of the inner cavity of the outer cylinder body 2, the bottom of the air inlet flange 4 and the top of the outer end cover 3 form a lower transverse air passage, the lower transverse air passage is communicated with the bottom of the particle catcher 5, the left side surface of the outer cylinder body 2 is fixedly communicated with the air inlet pipe 1, the bottom of the particle catcher 5 is fixedly communicated with the air inlet flange 4, the top of the inner cylinder body 6 is fixedly provided with the air outlet end cover 8, the top of the particle catcher 5 is fixedly communicated with the air outlet flange 7, and the top of the air outlet flange, the combined action of vertical air flue and lower horizontal air flue and last horizontal air flue makes filtration system have sufficient draught area, is favorable to reducing the backpressure, guarantees that the engine can normally work, and the bottom of going up the horizontal air flue is linked together with the top of granule entrapment device 5, and the fixed intercommunication in top of the end cover 8 of giving vent to anger has outlet duct 9, and the top of outlet duct 9 runs through the top of outer barrel 2 and extends to the top of outer barrel 2.
According to the working principle, tail gas enters the outer cylinder body 2 through the gas inlet pipe 1, gas enters the inner cylinder body 6 through the outer cylinder body 2, then enters the gas inlet flange 4 from the outer end cover 3, enters the particle trapping device 5 from the gas inlet flange 4, carbon particles in the tail gas are trapped by utilizing foam alloy in the particle trapping device 5, and the filtered gas passes through the gas outlet flange 7 and the gas outlet end cover 8 under the pressure of subsequent gas and then is discharged from the gas outlet pipe 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A parallel particle filtration system based on foam alloy, comprising an outer cylinder (2), characterized in that: the inside fixed mounting of outer barrel (2) has interior barrel (6), the inner chamber fixed mounting of interior barrel (6) has granule entrapment device (5), outer end cover (3) are installed to the bottom of outer barrel (2) inner chamber, the fixed intercommunication of the left surface of outer barrel (2) has intake pipe (1), the fixed intercommunication of the bottom of granule entrapment device (5) has inlet flange (4), the top fixed mounting of interior barrel (6) has outlet end cover (8), the fixed intercommunication of the top of granule entrapment device (5) has outlet flange (7), the fixed intercommunication in top of outlet end cover (8) has outlet duct (9), the top of outer barrel (2) is run through in the top of outlet duct (9) and extends to the top of outer barrel (2).
2. The foam alloy-based parallel particulate filter system of claim 1, wherein: the number of the particle trapping devices (5) is four, and the four particle trapping devices (5) are mutually connected in parallel.
3. The foam alloy-based parallel particulate filter system of claim 1, wherein: the left side wall of the inner cavity of the outer cylinder body (2) and the left side of the inner cylinder body (6) form a vertical air passage, and the bottom of the vertical air passage is communicated with the top of the air inlet flange (4).
4. The foam alloy-based parallel particulate filter system of claim 1, wherein: the bottom of the air inlet flange (4) and the top of the outer end cover (3) form a lower transverse air passage, and the lower transverse air passage is communicated with the bottom of the particle trapping device (5).
5. The foam alloy-based parallel particulate filter system of claim 1, wherein: the top of the air outlet flange (7) and the bottom of the air outlet end cover (8) form an upper transverse air passage, and the bottom of the upper transverse air passage is communicated with the top of the particle trapping device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569143.2U CN210195847U (en) | 2019-04-24 | 2019-04-24 | Parallel particle filtering system based on foam alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569143.2U CN210195847U (en) | 2019-04-24 | 2019-04-24 | Parallel particle filtering system based on foam alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195847U true CN210195847U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920569143.2U Active CN210195847U (en) | 2019-04-24 | 2019-04-24 | Parallel particle filtering system based on foam alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210195847U (en) |
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2019
- 2019-04-24 CN CN201920569143.2U patent/CN210195847U/en active Active
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