CN102536392B - Diesel engine exhaust purifier with rotary regeneration device - Google Patents
Diesel engine exhaust purifier with rotary regeneration device Download PDFInfo
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- CN102536392B CN102536392B CN 201210031071 CN201210031071A CN102536392B CN 102536392 B CN102536392 B CN 102536392B CN 201210031071 CN201210031071 CN 201210031071 CN 201210031071 A CN201210031071 A CN 201210031071A CN 102536392 B CN102536392 B CN 102536392B
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- Prior art keywords
- tail gas
- regeneration
- diesel engine
- nozzle
- purifier
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- 230000008929 regeneration Effects 0.000 title claims abstract description 55
- 238000011069 regeneration method Methods 0.000 title claims abstract description 55
- 239000004071 soot Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses a diesel engine tail gas purifier with a rotary regeneration device. The diesel engine tail gas purifier comprises a diesel engine tail gas purifier body, a regeneration nozzle and a regenerative catalytic device, wherein the regeneration nozzle is long, thin and linear and just faces to the rear end plane of the filter workpiece of the diesel engine tail gas purifier body, the nozzle is connected with a rotation mechanism and is driven by the rotation mechanism to slowly rotate; and the pressurized diesel engine tail gas passes through the regeneration nozzle to perform back flushing to each filtering channel of the filter workpiece and blows the soot particles deposited in the filter workpiece to an oxidation catalysis device, and the soot particles flow to a later-stage purifier after processing. The device has a simple structure, is reliable in operation, can realize complete regeneration and can also realize energy conservation and consumption reduction; and the filtration efficiency and regeneration efficiency are increased, the cost of the product is reduced, the purification performance of the tail gas purifier is increased, and the service life of the tail gas purifier is prolonged. By adopting the diesel engine tail gas purifier with a rotary regeneration device, the capture efficiency of the filter workpiece is increased to more than twice, which is increased by 100% compared with the traditional purifier; and the regeneration efficiency is up to 98%.
Description
Technical field
The present invention relates to technology and the product of a kind of efficient purification or filtration (containing regeneration) diesel engine exhaust particulate matter, particularly relate to a kind of exhaust purifier of diesel engine with the rotation reclaimer.
Background technique
Exhaust purifier of diesel engine soot particle in use for some time can stockpile in the purifier filtration channel and results in blockage, and therefore increases the diesel engine back pressure, reduces performance, so need regenerate to polishing filter.Traditional regenerated way is mainly fuel heater and electric heater, and these two kinds of apparatus structures are complicated to need external energy consumption, and installation cost height, user cost height, and regeneration efficiency is low; And when device is regenerated, can not carry out reverse operation simultaneously, purification efficiency is low.
China's patent 200910036025.6 discloses a kind of discharging tail gas that utilizes and washes away the exhaust purifier of diesel engine that air-flow is regenerated to exhaust purifier by the formation of civilian mound jet pipe.It is relatively low that but this kind structure is washed away stream pressure, is not very even to the scouring effect of filter diverse location, and regeneration efficiency is not very high relatively.
Summary of the invention
The object of the invention be the defective at prior art provide a kind of simple in structure, regeneration fully, the exhaust purifier of diesel engine of band rotation reclaimer that regeneration efficiency is high.
The present invention adopts following technological scheme for achieving the above object:
A kind of exhaust purifier of diesel engine with the rotation reclaimer, comprise exhaust purifier of diesel engine body, regeneration nozzle and regeneration catalyzing device, it is characterized in that: described regeneration nozzle is that elongated straight is linear, Transverse plane behind the filter workpiece of exhaust purifier of diesel engine body, nozzle is connected with rotating machinery, drives rotation at a slow speed by rotating machinery; Through the regeneration nozzle each filtration channel of filter workpiece is carried out blowback through the diesel engine vent gas of supercharging and sweep, blow and handle the back to the oxidation catalysis device and flow to back first class purification device stockpiling soot particle in the filter workpiece; When the rotation reclaimer carries out pulse cleaning, make the filter workpiece carry out reverse operation simultaneously, and when stopping the rotation pulse cleaning, the filter workpiece carries out forward work, and the filter workpiece oppositely regenerated, so circulation is constantly filtered, constantly regeneration makes the filter workpiece reach 100% working efficiency.
It is further characterized in that: described exhaust purifier of diesel engine body comprises the filter workpiece; Described exhaust purifier of diesel engine body front end is provided with and filters entrance and gas inlet, is provided with inlet valve between described filtration entrance and the gas inlet described filtration entrance and gas inlet are opened and closed switching; Described exhaust purifier of diesel engine body rear end is provided with tail gas exhaust port I and tail gas exhaust port II, is provided with the tail gas valve between described tail gas exhaust port I and the tail gas exhaust port II described tail gas exhaust port I and tail gas exhaust port II are opened and closed switching; Described filter workpiece bottom is provided with sealed door; Described inlet valve, tail gas valve and sealed door link mutually.
Described gas inlet is connected with the regeneration passage, and the regeneration channel diameter is less than the filter workpiece diameter, and described regeneration passage communicates with described regeneration nozzle; Described regeneration catalyzing device comprises collection carbon chamber and soot processor, and described sealed door opening is positioned at described soot processor, and described soot processor outlet is joined with tail gas exhaust port II.
Further: described inlet valve, tail gas valve and sealed door drive interlock mutually by micro-air-cylinder.
The present invention compares with traditional device of regenerating with fuel heater or electric heater, this apparatus structure is simple, regeneration is complete, purging pressure is effective greatly, energy-saving and cost-reducing, reliable, not only improved regeneration efficiency but also reduced product cost, not only improved the purification efficiency of exhaust purifier and performance but also prolonged working life of exhaust purifier; This device can make the arresting efficiency of filter workpiece be enhanced about more than once, and improves 100% than traditional purifier, and regeneration efficiency can reach 98%, improves 30% than traditional reclaimer.This device meets the requirement that China implemented the PM2.5 air standard in 2015, adapts to the fundamental state policy that exhaust emission standard and energy-saving and emission-reduction improve in current China.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is plan view of the present invention;
Fig. 4 is left view of the present invention;
Fig. 5 is right elevation of the present invention;
Fig. 6 is that Fig. 2 A-A of the present invention is to view;
Fig. 7 is that Fig. 1 B-B of the present invention is to view;
Fig. 8 for Fig. 2 D-D of the present invention to view, the sealed door air-tight state;
Fig. 9 for Fig. 1 E-E of the present invention to view, the sealed door opening state;
Figure 10 is sealed door air-tight state figure of the present invention;
Figure 11 is sealed door opening state figure of the present invention;
Figure 12 is stereogram of the present invention.
Among the figure 1, the inletting device entrance; 2, tail gas exhaust port I; 3, tail gas exhaust port II; 4, tail gas valve; 5, inlet valve; 6, gas inlet; 7, filter entrance; 8, micro-air-cylinder; 9, transmission device; 10, regeneration nozzle; 11, filter workpiece; 12, micromachine; 13, collection carbon chamber; 14, sealed door; 15, regeneration passage; 16, soot processor.
Embodiment
A kind of exhaust purifier of diesel engine with the rotation reclaimer shown in Fig. 1-12, comprise exhaust purifier of diesel engine body, regeneration nozzle 10 and regeneration catalyzing device, described regeneration nozzle is the straight shape of elongate strip, filter workpiece rear end over against the exhaust purifier of diesel engine body, nozzle is connected with rotating machinery, by the rotating machinery driven rotary; Diesel engine vent gas purges the filter workpiece through the regeneration nozzle, the soot particle in the filter workpiece is blown after the regeneration catalyzing device carries out catalytic treatment flow to back first class purification device.
Described exhaust purifier of diesel engine body comprises filter workpiece 11; Described exhaust purifier of diesel engine body front end is provided with and filters entrance 7 and gas inlet 6, is provided with 5 pairs of described filtration entrances 7 of inlet valve and gas inlet 6 between described filtration entrance 7 and the gas inlet 6 and opens and closes switching; Described exhaust purifier of diesel engine body rear end is provided with tail gas exhaust port I 2 and tail gas exhaust port II 3, is provided with 4 pairs of described tail gas exhaust port I 2 of tail gas valve and tail gas exhaust port II 3 between described tail gas exhaust port I 2 and the tail gas exhaust port II 3 and opens and closes switching; Described filter workpiece 11 bottoms are provided with sealed door 14; Described inlet valve 5, tail gas valve 4 and sealed door 14 link mutually.
Described gas inlet 6 is connected with regeneration passage 15, and regeneration passage 15 diameters are less than filter workpiece 11 diameters, and described regeneration passage 15 communicates with described regeneration nozzle 10; Described regeneration catalyzing device comprises collection carbon chamber 13 and soot processor 16, and described sealed door 14 openings are positioned at described soot processor 16, and described soot processor 16 outlets are joined with tail gas exhaust port II 3.
Described inlet valve 5, tail gas valve 4 and sealed door 14 drive interlock mutually by micro-air-cylinder 8.
Diesel engine vent gas inletting device entrance 1 enters filter workpiece 11 and carries out tail gas clean-up by filtering entrance 7 during proper functioning of the present invention, the tail gas after the filtration by exhaust port I 2 backward the first class purification device flow.
When purifier reaches certain back pressure, when namely the polishing filter entrance had produced the obstruction of soot particle, purifier entered the reproduction operation state.Inlet valve 5 is pushed filter entrance 7 from original gas inlet 6 positions to by micro-air-cylinder 8 and will be filtered entrance 7 and close, and makes tail gas enter purifier from gas inlet 6; Simultaneously, forward tail gas valve 4 to exhaust port I 2 from original exhaust port II 3 positions by jointed gear unit, with 2 sealings of exhaust port I; And sealed door 14 become unlatching (Fig. 9, Figure 11) from original closed condition (Fig. 8, Figure 10), make through the tail gas of reclaimer from exhaust port II 3 backward the first class purification device flow.This moment, micromachine 12 was slowly rotated by transmission device 9 drive regeneration nozzles 10, diesel engine vent gas has improved velocity of flue gas and air pressure after entering the regeneration passage 15 that has dwindled the circulation diameter, after the tail gas of raising speed and pressure enters regeneration nozzle 10, because the regeneration channel shape of nozzle 10 and nozzle arrangements make the flue gas supercharging of raising speed again, and regeneration nozzle 10 makes flue gas form a horizontal high pressure straight line, carry out rotation sweep filter plane at a slow speed and closely spray to each small filtration channel of filter workpiece 11, the soot particle of deposition is blown down by high pressure draught and is flowed into collection carbon chamber 13 in each small filtration channel of the tail gas inlet end of polishing filter, after 16 catalytic treatments of soot processor, the first class purification device is mobile backward from exhaust port II 3 for the flue gas after being cleaned.
Claims (3)
- One kind with the rotation reclaimer exhaust purifier of diesel engine, comprise exhaust purifier of diesel engine body, regeneration nozzle (10) and regeneration catalyzing device, it is characterized in that: described regeneration nozzle is that elongated straight is linear, Transverse plane behind the filter workpiece of exhaust purifier of diesel engine body, nozzle is connected with rotating machinery, drives rotation at a slow speed by rotating machinery; Through the regeneration nozzle each filtration channel of filter workpiece is carried out blowback through the diesel engine vent gas of supercharging and sweep, blow and handle the back to the regeneration catalyzing device and flow to back first class purification device stockpiling soot particle in the filter workpiece; When the rotation reclaimer carries out pulse cleaning, make the filter workpiece carry out reverse operation simultaneously, and when stopping the rotation pulse cleaning, the filter workpiece carries out forward work, and the filter workpiece oppositely regenerated, so circulation is constantly filtered, constantly regeneration makes the filter workpiece reach 100% working efficiency.
- 2. according to claim 1 a kind of with the exhaust purifier of diesel engine that rotates reclaimer, it is characterized in that: described exhaust purifier of diesel engine body comprises filter workpiece (11); Described exhaust purifier of diesel engine body front end is provided with and filters entrance (7) and gas inlet (6), is provided with inlet valve (5) between described filtration entrance (7) and the gas inlet (6) described filtration entrance (7) and gas inlet (6) are opened and closed switching; Described exhaust purifier of diesel engine body rear end is provided with tail gas exhaust port I (2) and tail gas exhaust port II (3), is provided with tail gas valve (4) between described tail gas exhaust port I (2) and the tail gas exhaust port II (3) described tail gas exhaust port I (2) and tail gas exhaust port II (3) are opened and closed switching; Described filter workpiece (11) bottom is provided with sealed door (14); Described inlet valve (5), tail gas valve (4) and sealed door (14) be interlock mutually;Described gas inlet (6) is connected with regeneration passage (15), and regeneration passage (15) diameter is less than filter workpiece (11) diameter, and described regeneration passage (15) communicates with described regeneration nozzle (10); Described regeneration catalyzing device comprises collection carbon chamber (13) and soot processor (16), and described sealed door (14) opening is positioned at described soot processor (16), and described soot processor (16) outlet is joined with tail gas exhaust port II (3).
- 3. according to claim 2 a kind of with the exhaust purifier of diesel engine that rotates reclaimer, it is characterized in that: described inlet valve (5), tail gas valve (4) and sealed door (14) drive interlock mutually by micro-air-cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210031071 CN102536392B (en) | 2012-02-10 | 2012-02-10 | Diesel engine exhaust purifier with rotary regeneration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210031071 CN102536392B (en) | 2012-02-10 | 2012-02-10 | Diesel engine exhaust purifier with rotary regeneration device |
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| Publication Number | Publication Date |
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| CN102536392A CN102536392A (en) | 2012-07-04 |
| CN102536392B true CN102536392B (en) | 2013-08-07 |
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| CN 201210031071 Active CN102536392B (en) | 2012-02-10 | 2012-02-10 | Diesel engine exhaust purifier with rotary regeneration device |
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| CN110894801B (en) * | 2019-11-06 | 2021-07-27 | 杭州一轩科技有限公司 | Universal multi-mode honeycomb carrier cleaning device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675874Y (en) * | 2004-03-01 | 2005-02-02 | 刘堃 | Exhaust gas purifying apparatus for automobile |
| CN101070769A (en) * | 2007-06-18 | 2007-11-14 | 湖南大学 | Method and apparatus for reducing diesel engine microparticle matter exhaust and apparatus |
| CN201265440Y (en) * | 2008-10-11 | 2009-07-01 | 贾元华 | High-efficiency combined diesel engine particulate drip catcher |
| CN202431339U (en) * | 2012-02-10 | 2012-09-12 | 徐和平 | Diesel engine tail gas purifier with rotating regeneration device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3258646B2 (en) * | 1999-12-17 | 2002-02-18 | 三菱重工業株式会社 | Apparatus and method for removing fine particles in exhaust gas |
| JP4413777B2 (en) * | 2002-07-25 | 2010-02-10 | エイ． ケムメル，レファート | System for reducing pollutants in diesel engine exhaust gas |
| US6931842B2 (en) * | 2002-11-29 | 2005-08-23 | Nissan Motor Co., Ltd. | Regeneration of diesel particulate filter |
| US20110167809A1 (en) * | 2008-09-26 | 2011-07-14 | Renault Trucks | Energy recovering system for an internal combustion engine |
-
2012
- 2012-02-10 CN CN 201210031071 patent/CN102536392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675874Y (en) * | 2004-03-01 | 2005-02-02 | 刘堃 | Exhaust gas purifying apparatus for automobile |
| CN101070769A (en) * | 2007-06-18 | 2007-11-14 | 湖南大学 | Method and apparatus for reducing diesel engine microparticle matter exhaust and apparatus |
| CN201265440Y (en) * | 2008-10-11 | 2009-07-01 | 贾元华 | High-efficiency combined diesel engine particulate drip catcher |
| CN202431339U (en) * | 2012-02-10 | 2012-09-12 | 徐和平 | Diesel engine tail gas purifier with rotating regeneration device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-173426A 2001.06.26 |
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