CN114109573B - Diesel engine tail gas purification device - Google Patents
Diesel engine tail gas purification device Download PDFInfo
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- CN114109573B CN114109573B CN202111521058.7A CN202111521058A CN114109573B CN 114109573 B CN114109573 B CN 114109573B CN 202111521058 A CN202111521058 A CN 202111521058A CN 114109573 B CN114109573 B CN 114109573B
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- tail gas
- port
- exhaust pipe
- gas treatment
- pipe body
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- 238000000746 purification Methods 0.000 title claims description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 oxynitride Chemical compound 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
Abstract
The invention discloses a diesel engine tail gas purifying device, which comprises an exhaust pipe body connected to an exhaust part of a diesel engine, two tail gas treatment mechanisms are respectively and correspondingly arranged at middle partition plates of the outer walls of the two exhaust pipe bodies, and the side parts of a rotary sealing plate are connected with the edge parts of the middle partition plates through elastic parts; the tail gas treatment mechanism comprises a tail gas treatment box, a tail gas filtering assembly, an air inlet port and an air outlet port, wherein the tail gas treatment box is arranged at two plug-in ports on the outer wall of the exhaust pipe body, the air inlet port and the air outlet port are arranged on the bottom wall of the tail gas treatment box and attached to the exhaust pipe body, and the air inlet port and the air outlet port extend into the exhaust pipe body from the two plug-in ports respectively; the air inlet port and the air outlet port are respectively provided with a pressing piece; the tail gas filtering component is arranged inside the tail gas treatment box. The exhaust pipe has a simple structure, is convenient to detach the tail gas treatment mechanism, avoids blockage, can continue through-flow use after the tail gas treatment mechanism is detached, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of tail gas purification, in particular to a tail gas purification device of a diesel engine.
Background
With the increasing use of diesel engines in automobiles, the exhaust gas emitted by diesel engines is also increasing. The tail gas of the diesel engine has great harm, and the tail gas contains carbon monoxide, hydrocarbon, oxynitride, sulfur dioxide, lead-containing compound, benzopyrene and solid particles, so that photochemical smog can be caused, and the air quality is reduced. Accordingly, the tail gas purifying device of the diesel engine is continuously developed and gradually becomes a research focus of the diesel engine industry, and the research has huge social benefit and economic benefit.
The tail gas purifying device of the diesel engine is basically arranged at the tail gas discharging position of the diesel engine, and in order to avoid the blockage caused by long-time use of the tail gas purifying part, the tail gas purifying part in the tail gas purifying device of the diesel engine needs to be disassembled; however, the exhaust gas discharged from the diesel engine can stop diversion due to leakage of the exhaust gas, so that the use of the diesel engine is affected.
Disclosure of Invention
The invention aims to provide a diesel engine tail gas purifying device which aims to solve the problem in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the exhaust gas purifying device for the diesel engine comprises an exhaust pipe body connected to an exhaust part of the diesel engine, wherein at least two exhaust gas treatment mechanisms for purifying exhaust gas are arranged on the outer wall of the exhaust pipe body, at least two middle partition boards are arranged in the exhaust pipe body, through holes are formed in the center of each middle partition board, two plug-in ports positioned on two sides of the middle partition boards are formed in the outer wall of the exhaust pipe body, a rotary sealing plate is hinged to the side part of each plug-in port, close to the through holes, of each plug-in port, and the rotary sealing plate can seal the plug-in ports when being rotated to the plug-in ports and attached to the middle partition boards; the two tail gas treatment mechanisms are respectively and correspondingly arranged at the middle partition plates of the outer walls of the two exhaust pipe bodies, and the side parts of the rotary sealing plates are connected with the edge parts of the middle partition plates through elastic pieces; the tail gas treatment mechanism comprises a tail gas treatment box, a tail gas filtering assembly, an air inlet port and an air outlet port, wherein the tail gas treatment box is arranged at two plug-in ports on the outer wall of the exhaust pipe body, the air inlet port and the air outlet port are arranged on the bottom wall of the exhaust pipe body of the tail gas treatment box and are respectively extended into the exhaust pipe body from the two plug-in ports and communicated with the exhaust pipe body; the air inlet port and the air outlet port are respectively provided with a pressing piece, and the pressing pieces are used for pushing the rotary sealing plate to rotate and enabling the rotary sealing plate to be attached to the side wall of the middle partition plate when the air inlet port and the air outlet port extend into the exhaust pipe body; the exhaust gas filtering component is arranged inside the exhaust gas treatment box and is used for filtering the exhaust gas flowing inside the exhaust gas treatment box.
Based on the technical scheme, the invention also provides the following optional technical schemes:
in one alternative: the tail gas treatment mechanism further comprises two wrapping arc plates, the two wrapping arc plates are arranged at the edge of the bottom of the tail gas treatment box, the wrapping arc plates are wrapped on the outer wall of the exhaust pipe body, connecting battens are arranged at the two ends of the wrapping arc plates, and connecting holes for fixing the connecting battens on the exhaust pipe body by matching with bolts are formed in the connecting battens.
In one alternative: each middle partition plate is provided with two tail gas treatment mechanisms which are symmetrically arranged by taking the axis of the exhaust pipe body as the center, two tail gas treatment mechanisms enclose into a hoop which is sleeved on the outer wall of the exhaust pipe body, and the edges of the two tail gas treatment mechanisms are connected through bolts.
In one alternative: the two ends of the exhaust pipe body are respectively provided with a port connecting part, the port connecting parts are of horn-shaped structures, and the edge parts are provided with flanges used for being connected with the exhaust part of the diesel engine.
In one alternative: the air inlet port and the air outlet port are matched with the plug-in port, and sealing rings are arranged at the outer edges of the air inlet port and the air outlet port.
In one alternative: the top casting die comprises a top rod and a top roller, one end of the top rod extends to the inner side of the air inlet port or the air outlet port and is fixedly connected with the side wall of the tail gas treatment box, and the top roller is arranged at the end part of the top rod away from the tail gas treatment box.
In one alternative: the tail gas filtering assembly comprises an inner filter cylinder and a partition piece, the partition piece is arranged in the tail gas treatment box and divides the interior of the tail gas treatment box into a drainage chamber and a purification chamber, an air inlet port is communicated with the drainage chamber, an air outlet port is communicated with the purification chamber, and a diversion channel is arranged on the partition piece to communicate the purification chamber with the drainage chamber; the interior cartridge filter is established inside purifying chamber and interior cartridge filter one end is equipped with interior concave flow mouth, and interior concave flow mouth cutting ferrule is on the water conservancy diversion passageway.
In one alternative: the end part of the tail gas treatment box is also provided with a disassembly port for the inner filter cartridge to penetrate out, the disassembly port is communicated with the purification chamber, a sealing end cover is arranged at the disassembly port, one end of the inner filter cartridge is connected with the sealing end cover, and the inner concave flow port and the diversion channel are of conical structures.
Compared with the prior art, the invention has the following beneficial effects:
1. the exhaust treatment mechanism is detachably arranged on the exhaust pipe body, so that the exhaust treatment mechanism is convenient to detach and replace, and the problem of blockage caused by overlong service time is avoided;
2. according to the invention, the tail gas can be led to the tail gas treatment mechanism or directly conducted in the exhaust pipe by arranging the rotary sealing plate, so that the tail gas through flow and the filtering treatment can be continuously maintained when the tail gas treatment mechanism is disassembled;
3. the exhaust pipe has a simple structure, is convenient to detach the tail gas treatment mechanism, avoids blockage, can continue through-flow use after the tail gas treatment mechanism is detached, and has strong practicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the device according to an embodiment of the present invention.
Fig. 2 is a schematic view showing an internal structure of an exhaust pipe according to an embodiment of the present invention.
Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2.
Fig. 4 is a schematic diagram of an exhaust treatment mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic view showing an internal structure of an exhaust gas treatment tank according to an embodiment of the present invention.
Reference numerals annotate: the exhaust pipe body 1, the plug port 11, the middle partition plate 12, the through-flow port 13, the rotary sealing plate 14, the elastic member 15, the port connecting part 2, the exhaust gas treatment mechanism 3, the exhaust gas treatment tank 31, the drainage chamber 311, the purification chamber 312, the wrapping arc plate 32, the connecting batten 33, the connecting hole 34, the sealing ring 35, the air inlet port 351, the air outlet port 352, the propping piece 36, the ejector rod 361, the ejector roller 362, the dismounting port 37, the partition member 38, the diversion channel 381, the inner filter cartridge 39, the inner recessed flow port 391 and the sealing end cover 392.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1 to fig. 4, a diesel engine exhaust gas purifying device comprises an exhaust pipe body 1 connected to an exhaust part of a diesel engine, at least two exhaust gas treatment mechanisms 3 for purifying exhaust gas are arranged on the outer wall of the exhaust pipe body 1, at least two middle partition boards 12 are arranged in the exhaust pipe body 1, a through hole 13 is formed in the center part of each middle partition board 12, two plug-in ports 11 positioned on two sides of the middle partition boards 12 are formed in the outer wall of the exhaust pipe body 1, a rotary sealing plate 14 is hinged to the side part of each plug-in port 11, close to the through hole 13, and the rotary sealing plate 14 can seal the plug-in ports 11 when being rotated to the plug-in ports 11 and attached to the middle partition boards 12; the two tail gas treatment mechanisms 3 are respectively and correspondingly arranged at the middle partition plates 12 on the outer walls of the two exhaust pipe bodies 1, and the side parts of the rotary sealing plates 14 are connected with the edge parts of the middle partition plates 12 through elastic pieces 15; the tail gas treatment mechanism 3 comprises a tail gas treatment box 31, a tail gas filtering component, an air inlet port 351 and an air outlet port 352, wherein the tail gas treatment box 31 is arranged at two plug-in ports 11 on the outer wall of the exhaust pipe body 1, the air inlet port 351 and the air outlet port 352 are arranged on the bottom wall of the exhaust pipe body 1 of the tail gas treatment box 31 and are attached to the bottom wall of the exhaust pipe body 1, and the air inlet port 351 and the air outlet port 352 extend into the exhaust pipe body 1 from the two plug-in ports 11 respectively and are communicated with the exhaust pipe body 1; the air inlet 351 and the air outlet 352 are respectively provided with a pressing piece 36, and the pressing pieces 36 are used for pushing the rotary sealing plate 14 to rotate and enabling the rotary sealing plate 14 to be attached to the side wall of the middle partition plate 12 when the air inlet 351 and the air outlet 352 extend into the exhaust pipe body 1; the exhaust gas filtering component is arranged inside the exhaust gas treatment tank 31 and is used for filtering the exhaust gas flowing inside the exhaust gas treatment tank 31; wherein the elastic member 15 is a curved spring or a shrapnel;
in the implementation process of the embodiment, the exhaust pipe body 1 is connected with the exhaust part of the diesel engine, the tail gas generated by the diesel engine enters the exhaust pipe body 1, and as the air inlet 351 and the air outlet 352 extend into the exhaust pipe body 1 from the plug-in port 11 and the rotary sealing plate 14 is pushed to the side surface of the middle partition plate 12, the through-flow port 13 is sealed, and the air flow in the exhaust pipe body 1 enters the tail gas treatment box 31 through the plug-in port 11 and the air inlet 351, and the tail gas can be filtered through the tail gas filtering component in the tail gas treatment box 31; the filtered tail gas is led into the exhaust pipe body 1 again through the air outlet port 352, and is filtered again by the next tail gas treatment mechanism 3; when one of the tail gas treatment mechanisms 3 needs to be disassembled and replaced, the tail gas treatment box 31 gradually breaks away from the exhaust pipe body 1, so that the air inlet 351 and the air outlet 352 break away from the inside of the plug-in port 11, the pressing piece 36 does not support the rotary sealing plate 14 any more, and the rotary sealing plate 14 rotates to the plug-in port 11 and seals the plug-in port under the action of the rebound force of the elastic piece 15; the rotary sealing plate 14 is separated from the middle partition plate 12, so that the through flow port 13 is opened, and the tail gas can smoothly flow to the next tail gas treatment mechanism 3 in the exhaust pipe body 1 for tail gas filtration; so when one of the tail gas treatment mechanisms 3 is disassembled to replace or clean filtered impurities, the exhaust pipe body 1 can be ensured to be smooth, and the tail gas is purified through the next tail gas treatment mechanism 3; as an example, the left, right, up and down positions of each component in the drawings are only one arrangement mode, and specific positions are set according to specific needs;
in one embodiment, as shown in fig. 1 and 4, the exhaust treatment mechanism 3 further includes two wrapping arc plates 32, the two wrapping arc plates 32 are disposed at the bottom edge of the exhaust treatment tank 31, the wrapping arc plates 32 are wrapped on the outer wall of the exhaust pipe body 1, and both ends of the wrapping arc plates are provided with connecting battens 33, and the connecting battens 33 are provided with connecting holes 34 for fixing the connecting battens 33 on the exhaust pipe body 1 in cooperation with bolts; the tail gas treatment box 31 is convenient to be detachably arranged on the outer wall of the exhaust pipe body 1 through the arrangement of the wrapping arc plate 32;
in one embodiment, as shown in fig. 1 and 2, each middle partition plate 12 is provided with two tail gas treatment mechanisms 3, the two tail gas treatment mechanisms 3 are symmetrically arranged by taking the axis of the exhaust pipe body 1 as the center, the two tail gas treatment mechanisms 3 are enclosed into a hoop to be sleeved on the outer wall of the exhaust pipe body 1, and the edges of the two tail gas treatment mechanisms 3 are fastened and connected through bolts; the two tail gas treatment mechanisms 3 are connected to the exhaust pipe body 1 by forming hoops, so that the edge of the tail gas treatment mechanism can be detached, and the sealing performance of the tail gas treatment mechanism is improved for wrapping the outer wall of the exhaust pipe body 1;
in one embodiment, as shown in fig. 2, both end portions of the exhaust pipe body 1 are provided with port connection portions 2, the port connection portions 2 are of a bell-mouth structure and the edge portions are provided with flanges for connection with the exhaust portion of the diesel engine;
in one embodiment, as shown in fig. 5, the air inlet 351 and the air outlet 352 are both adapted to the plug-in port 11, the outer edges of the air inlet 351 and the air outlet 352 are both provided with sealing rings 35, and the sealing rings 35 can seal the gaps between the plug-in port 11 and the air inlet 351 and the air outlet 352 when the air inlet 351 and the air outlet 352 extend into the plug-in port 11, so that the exhaust gas is ensured to enter the exhaust gas treatment tank 31 through the air inlet 351, and leakage is avoided;
in one embodiment, as shown in fig. 4 and 5, the propping member 36 includes a push rod 361 and a push roller 362, one end of the push rod 361 extends to the inner side of the air inlet 351 or the air outlet 352 and is fixedly connected with the side wall of the exhaust treatment tank 31, the push roller 362 is disposed at the end of the push rod 361 away from the exhaust treatment tank 31, when the air inlet 351 and the air outlet 352 are about to extend into the plug-in port 11, the push roller 362 is in rolling contact with the rotary sealing plate 14 and pushes the rotary sealing plate 14 to rotate, so that the friction force between the rotary sealing plate 14 and the propping member 36 can be reduced and the abrasion thereof can be reduced;
in one embodiment, as shown in fig. 5, the exhaust gas filtering assembly includes an inner filter cylinder 39 and a partition 38, wherein the partition 38 is disposed inside the exhaust gas treatment tank 31 and divides the inside of the exhaust gas treatment tank 31 into a drainage chamber 311 and a purification chamber 312, an air inlet port 351 is in communication with the drainage chamber 311, an air outlet port 352 is in communication with the purification chamber 312, and a diversion channel 381 is provided on the partition 38 to communicate the purification chamber 312 with the drainage chamber 311; the inner filter cartridge 39 is arranged in the purifying chamber 312, one end of the inner filter cartridge 39 is provided with an inner concave flow port 391, and the inner concave flow port 391 is sleeved on the diversion channel 381; when the tail gas has the air inlet 351, it enters the drainage chamber 311, and enters the inner filter cartridge 39 through the diversion channel 381 for filtration, and finally is led into the exhaust pipe 1 again through the air outlet 352; because the tail gas is led into the inner filter cartridge 39, the filtered impurities are directly remained in the inner filter cartridge 39, and the filtering surface of the inner filter cartridge 39 is large, so that the blockage is not easy to occur;
in one embodiment, as shown in fig. 5, the end portion of the exhaust gas treatment tank 31 is further provided with a disassembly port 37 through which the inner filter cartridge 39 passes, and the disassembly port 37 is communicated with the purification chamber 312, a sealing end cover 392 is installed at the disassembly port 37, one end of the inner filter cartridge 39 is connected with the sealing end cover 392, and the inner concave flow opening 391 and the diversion channel 381 are both in conical structures, so that when the inner filter cartridge 39 is installed inside the purification chamber 312, the inner concave flow opening 391 is conveniently sleeved on the diversion channel 381; the disassembly port 37 is arranged to facilitate the whole inner filter cartridge 39 to be taken out from the tail gas treatment box 31, and clean impurity particles in the inner filter cartridge 39;
the above embodiment discloses a diesel engine exhaust gas purifying device, wherein, the exhaust pipe body 1 is connected with the exhaust part of the diesel engine, the exhaust gas generated by the diesel engine enters the inside of the exhaust pipe body 1, and because the air inlet 351 and the air outlet 352 extend into the inside of the exhaust pipe body 1 from the plug-in port 11, and the rotary sealing plate 14 is pushed to the side surface of the middle partition plate 12, the through-flow port 13 is sealed, and the air flow in the inside of the exhaust pipe body 1 enters the inside of the exhaust gas treatment box 31 through the plug-in port 11 and the air inlet 351, and the exhaust gas can be filtered by the exhaust gas filtering component in the exhaust gas treatment box 31; the filtered tail gas is led into the exhaust pipe body 1 again through the air outlet port 352, and is filtered again by the next tail gas treatment mechanism 3; when one of the tail gas treatment mechanisms 3 needs to be disassembled and replaced, the tail gas treatment box 31 gradually breaks away from the exhaust pipe body 1, so that the air inlet 351 and the air outlet 352 break away from the inside of the plug-in port 11, the pressing piece 36 does not support the rotary sealing plate 14 any more, and the rotary sealing plate 14 rotates to the plug-in port 11 and seals the plug-in port under the action of the rebound force of the elastic piece 15; the rotary sealing plate 14 is separated from the middle partition plate 12, so that the through flow port 13 is opened, and the tail gas can smoothly flow to the next tail gas treatment mechanism 3 in the exhaust pipe body 1 for tail gas filtration; therefore, when one of the tail gas treatment mechanisms 3 is disassembled to replace or clean filtered impurities, the exhaust pipe body 1 can be ensured to be smooth, and the tail gas can be purified through the next tail gas treatment mechanism 3.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. The tail gas purifying device for the diesel engine comprises an exhaust pipe body connected to an exhaust part of the diesel engine, wherein the outer wall of the exhaust pipe body is provided with at least two tail gas treatment mechanisms for purifying tail gas;
two plug-in ports positioned on two sides of the middle partition plate are arranged on the outer wall of the exhaust pipe body, and a rotary sealing plate is hinged to the side part of each plug-in port close to the through hole;
the rotary sealing plate can seal the plugging port when rotating to the plugging port and is attached to the middle partition plate;
the two tail gas treatment mechanisms are respectively and correspondingly arranged at the middle partition plates of the outer walls of the two exhaust pipe bodies, and the side parts of the rotary sealing plates are connected with the edge parts of the middle partition plates through elastic pieces;
the tail gas treatment mechanism comprises a tail gas treatment box, a tail gas filtering component, an air inlet port and an air outlet port;
the exhaust treatment box is arranged at two plug-in ports on the outer wall of the exhaust pipe body, the air inlet port and the air outlet port are arranged on the bottom wall of the exhaust pipe body, and extend into the exhaust pipe body from the two plug-in ports and are communicated with the exhaust pipe body;
the air inlet port and the air outlet port are respectively provided with a pressing piece, and the pressing pieces are used for pushing the rotary sealing plate to rotate and enabling the rotary sealing plate to be attached to the side wall of the middle partition plate when the air inlet port and the air outlet port extend into the exhaust pipe body;
the exhaust gas filtering component is arranged inside the exhaust gas treatment box and is used for filtering the exhaust gas flowing inside the exhaust gas treatment box.
2. The exhaust gas purifying apparatus of claim 1, wherein the exhaust gas treating mechanism further comprises two wrapping arc plates, the two wrapping arc plates are arranged at the bottom edge of the exhaust gas treating tank, the wrapping arc plates are wrapped on the outer wall of the exhaust pipe body, connecting battens are arranged at two ends of the wrapping arc plates, and connecting holes for fixing the connecting battens on the exhaust pipe body by matching with bolts are formed in the connecting battens.
3. The exhaust gas purification device of a diesel engine according to claim 2, wherein each intermediate baffle plate is provided with two exhaust gas treatment mechanisms, the two exhaust gas treatment mechanisms are symmetrically arranged by taking the axis of the exhaust pipe body as the center, the two exhaust gas treatment mechanisms are enclosed into a hoop which is sleeved on the outer wall of the exhaust pipe body, and the edges of the two exhaust gas treatment mechanisms are connected through bolt fastening.
4. The exhaust gas purifying apparatus for a diesel engine according to claim 1, wherein both end portions of the exhaust pipe body are provided with port connection portions, the port connection portions are of a bell-mouth-like structure and the edge portions are provided with flanges for connection with the exhaust portion of the diesel engine.
5. The diesel engine exhaust gas purifying apparatus according to claim 1, wherein the inlet port and the outlet port are adapted to the plug-in port, and sealing rings are provided at outer edges of the inlet port and the outlet port.
6. The exhaust gas purifying apparatus of a diesel engine according to claim 1, wherein the pressing member includes a pressing rod and a pressing roller, one end of the pressing rod extends to an inside of the air inlet port or the air outlet port and is fixedly connected with a side wall of the exhaust gas treating tank, and the pressing roller is provided at an end of the pressing rod away from the exhaust gas treating tank.
7. The diesel exhaust gas purification apparatus of any one of claims 1-6, wherein the exhaust gas filtration assembly comprises an inner filter cartridge and a partition;
the partition piece is arranged in the tail gas treatment box and divides the tail gas treatment box into a drainage chamber and a purification chamber, and the air inlet port is communicated with the drainage chamber;
the air outlet port is communicated with the purification chamber, and the partition piece is provided with a diversion channel for communicating the purification chamber with the diversion chamber;
the interior cartridge filter is established inside purifying chamber and interior cartridge filter one end is equipped with interior concave flow mouth, and interior concave flow mouth cutting ferrule is on the water conservancy diversion passageway.
8. The exhaust gas purifying apparatus of claim 7, wherein the exhaust gas treating tank further has a disassembly port for the inner filter cartridge to pass through, the disassembly port is communicated with the purifying chamber, a sealing end cover is installed at the disassembly port, one end of the inner filter cartridge is connected with the sealing end cover, and the inner concave flow port and the flow guiding channel are both in a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521058.7A CN114109573B (en) | 2021-12-13 | 2021-12-13 | Diesel engine tail gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521058.7A CN114109573B (en) | 2021-12-13 | 2021-12-13 | Diesel engine tail gas purification device |
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| Publication Number | Publication Date |
|---|---|
| CN114109573A CN114109573A (en) | 2022-03-01 |
| CN114109573B true CN114109573B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111521058.7A Active CN114109573B (en) | 2021-12-13 | 2021-12-13 | Diesel engine tail gas purification device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453460A (en) * | 2002-04-22 | 2003-11-05 | 姚生浩 | Exhaust purifying system and exhaust purifying and silencing method for diesel engine |
| JP2004218630A (en) * | 2002-12-24 | 2004-08-05 | Wada Seiko:Kk | Diesel particulate removing device |
| CN207620876U (en) * | 2017-11-23 | 2018-07-17 | 北京润沃达汽车科技有限公司 | A kind of cleaning of exhaust gas produced by diesel automobile device |
| CN112746882A (en) * | 2021-01-22 | 2021-05-04 | 成都青舟特机环境技术有限公司 | Packaging structure and packaging method of diesel engine tail gas aftertreatment device |
-
2021
- 2021-12-13 CN CN202111521058.7A patent/CN114109573B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453460A (en) * | 2002-04-22 | 2003-11-05 | 姚生浩 | Exhaust purifying system and exhaust purifying and silencing method for diesel engine |
| JP2004218630A (en) * | 2002-12-24 | 2004-08-05 | Wada Seiko:Kk | Diesel particulate removing device |
| CN207620876U (en) * | 2017-11-23 | 2018-07-17 | 北京润沃达汽车科技有限公司 | A kind of cleaning of exhaust gas produced by diesel automobile device |
| CN112746882A (en) * | 2021-01-22 | 2021-05-04 | 成都青舟特机环境技术有限公司 | Packaging structure and packaging method of diesel engine tail gas aftertreatment device |
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