CN216866825U - Diesel engine tail gas purification device with good heat preservation effect - Google Patents
Diesel engine tail gas purification device with good heat preservation effect Download PDFInfo
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- CN216866825U CN216866825U CN202220437628.8U CN202220437628U CN216866825U CN 216866825 U CN216866825 U CN 216866825U CN 202220437628 U CN202220437628 U CN 202220437628U CN 216866825 U CN216866825 U CN 216866825U
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Abstract
The utility model is suitable for the technical field of tail gas purification, and provides a diesel engine tail gas purification device with a good heat preservation effect, which comprises a DPF (diesel particulate filter), wherein a vacuum heat preservation cylinder is detachably arranged on the outer surface of the DPF, a connecting cylinder is fixedly sleeved on the outer surface of the other end of the vacuum heat preservation cylinder, a first flow guide seat is fixedly connected to the inner wall of the connecting cylinder, a heat gathering block attached to the other end of the first flow guide seat is fixedly connected to the inner wall of the connecting cylinder, and a heat preservation mechanism is arranged in the vacuum heat preservation cylinder. This effectual diesel engine exhaust purification device keeps warm, give the heat preservation cotton with the heat conduction through the heat conduction strip, utilize the heat preservation cotton of heat shield inside can preserve the heat, make DOC oxidation catalyst converter keep certain temperature for a long time, make DOC oxidation catalyst converter and DPF particle filter heat up faster, make the automatic regeneration function of DOC oxidation catalyst converter inside filter core coating exert comprehensively.
Description
Technical Field
The utility model belongs to the technical field of tail gas purification, and particularly relates to a diesel engine tail gas purification device with a good heat preservation effect.
Background
The technical measures of the tail gas purifying chamber for reducing pollution influence comprise internal purification and external purification of an engine, wherein the former is to burn a part of discharged waste gas again to reduce harmful substances in the waste gas, and the latter is to install a tail gas catalytic purifier, so that the waste gas such as carbon monoxide, hydrocarbon, nitrogen oxide and the like discharged from an internal combustion engine is converted into carbon dioxide, nitrogen and water through the catalytic purifier.
Because the forklift usage rate is low, the state of the forklift and the state of the refrigerator are more, oil sludge and water exist in the forklift, the automatic regeneration function of the filter element coating under the low-temperature environment cannot be completely exerted, 90% of filter elements are only blocked by greasy carbon ash on the surface, and a large amount of space is left in an actual filter layer to collect carbon deposition, so that the use resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diesel engine tail gas purification device with a good heat preservation effect, and aims to solve the problems that the automatic regeneration function of a filter element coating in a low-temperature environment cannot be fully exerted, 90% of filter elements are only blocked by greasy soot on the surface, a filter layer has a lot of space to collect carbon deposition, and the use resources are wasted.
The utility model is realized in this way, a diesel engine tail gas purification device with good heat preservation effect comprises a DPF (diesel particulate filter), wherein a vacuum heat preservation cylinder is detachably arranged on the outer surface of the DPF, a connecting cylinder is fixedly sleeved on the outer surface of the other end of the vacuum heat preservation cylinder, a first flow guide seat is fixedly connected with the inner wall of the connecting cylinder, a heat collection block attached to the other end of the first flow guide seat is fixedly connected with the inner wall of the connecting cylinder, a heat preservation mechanism is arranged in the vacuum heat preservation cylinder, and a connecting mechanism is arranged on the outer surface of the DPF;
the heat preservation mechanism is including gathering the hot ring, gather the hot ring set up in the inner wall of a vacuum heat preservation section of thick bamboo, gather the inner wall fixedly connected with heat preservation ring of hot ring, the outer fixed surface cover of a vacuum heat preservation section of thick bamboo is equipped with thermal-insulated cover, the outer wall of a vacuum heat preservation section of thick bamboo just is located the fixed cover in inside of thermal-insulated cover is equipped with the heat preservation cotton, the inside of heat preservation ring runs through to be provided with and extends to the heat conduction strip of the cotton inner wall of heat preservation.
Preferably, the shape of connecting cylinder is ring shape setting, and the connecting cylinder adopts the mode of full weld to be connected with a vacuum insulation section of thick bamboo, the shape of first water conservancy diversion seat is hourglass hopper-shaped setting.
Preferably, the shape of gathering hot ring and heat preservation ring all is the ring shape setting, gather the material of hot piece and gathering hot ring and all adopt the volcanic rock material.
Preferably, the heat shield and the heat preservation cotton are arranged in a circular ring shape, and the heat shield is made of heat insulation materials.
Preferably, the inside of heat preservation ring is provided with DOC oxidation catalyst converter, the inner wall fixedly connected with of vacuum insulation section of thick bamboo extends to the second water conservancy diversion seat of DPF particle filter inner wall.
Preferably, the connecting mechanism comprises a fixing piece, the fixing piece is fixedly connected to the outer surface of the DPF particle filter, a connecting block is fixedly connected to the inner wall of the fixing piece, a bolt is rotatably and vertically arranged in the connecting block in a penetrating mode, and a thread groove in threaded connection with the bolt is formed in the surface of the vacuum heat-insulation cylinder.
Preferably, the annular seal groove has all been seted up to the one end of a vacuum insulation section of thick bamboo with the inner wall of stationary blade, the one end of a vacuum insulation section of thick bamboo with the equal fixedly connected with of inner wall of stationary blade with the annular seal strip of the mutual block of annular seal groove.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the diesel engine tail gas purification device with a good heat preservation effect, the heat accumulation block can be used for accumulating heat of the discharged tail gas and adsorbing oil sludge in the tail gas, the tail gas after heat accumulation can enter the vacuum heat preservation cylinder, then secondary heat accumulation is carried out through the heat accumulation ring and the heat preservation ring, heat is conducted to the heat preservation cotton through the heat conduction strip, the heat can be preserved by utilizing the heat preservation cotton in the heat preservation cover, the DOC oxidation catalyst can be kept at a certain temperature for a long time, the temperature of the DOC oxidation catalyst and the DPF particle filter can be raised more quickly, the automatic regeneration function of a filter element coating in the DOC oxidation catalyst can be fully exerted, all spaces of the filter layer can be used for collecting carbon deposition, and the waste of used resources is avoided.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic side sectional view of the vacuum insulation canister according to the present invention;
fig. 3 is an enlarged view of the structure at a in fig. 1 according to the present invention.
In the figure: 1-DPF particle filter, 2-vacuum heat preservation cylinder, 3-connecting cylinder, 4-first guide seat, 5-heat gathering block, 6-heat gathering ring, 7-heat preservation ring, 8-heat insulation cover, 9-heat preservation cotton, 10-heat conduction strip, 11-DOC oxidation catalyst, 12-second guide seat, 13-fixing piece, 14-connecting block, 15-bolt, 16-thread groove, 17-annular sealing groove and 18-annular sealing strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-3, the present invention provides a technical solution: including DPF particle filter 1, the surface detachably of DPF particle filter 1 is provided with vacuum insulation section of thick bamboo 2, and the fixed surface cover of the 2 other ends of vacuum insulation section of thick bamboo is equipped with connecting cylinder 3, utilizes connecting cylinder 3 to make the device be connected with the blast pipe of automobile body.
The inner wall fixedly connected with first water conservancy diversion seat 4 of connecting cylinder 3, the first water conservancy diversion seat 4 that sets up can carry out the water conservancy diversion with tail gas, avoids the greasy dirt in the tail gas to get into the dead angle.
The inner wall of the connecting cylinder 3 is fixedly connected with a heat-collecting block 5 which is attached to the other end of the first flow guide seat 4, a heat-insulating mechanism is arranged inside the vacuum heat-insulating cylinder 2, and a connecting mechanism is arranged on the outer surface of the DPF particle filter 1.
The heat accumulation block 5 can accumulate heat in the exhaust gas and adsorb sludge in the exhaust gas.
Utilize heat preservation mechanism can collect the heat in the tail gas and keep warm to be convenient for rapid heating up.
The heat preservation mechanism is including gathering hot ring 6, gathers hot ring 6 and sets up in the inner wall of a vacuum heat preservation section of thick bamboo 2, gathers the inner wall fixedly connected with heat preservation ring 7 of hot ring 6, and the fixed cover of the surface of a vacuum heat preservation section of thick bamboo 2 is equipped with thermal-insulated cover 8, and the outer wall of a vacuum heat preservation section of thick bamboo 2 just is located the fixed cover in inside of thermal-insulated cover 8 and is equipped with heat preservation cotton 9, and the inside of heat preservation ring 7 runs through and is provided with the heat conduction strip 10 that extends to heat preservation cotton 9 inner wall.
Gather the inside that tail gas after the heat then can get into to a vacuum heat preservation section of thick bamboo 2, then carry out the secondary through gathering hot ring 6 and heat preservation ring 7 and gather heat, and give heat preservation cotton 9 with heat conduction through heat conduction strip 10, utilize the inside heat preservation cotton 9 of heat shield 8 can preserve the heat, make DOC oxidation catalyst converter 11 keep certain temperature for a long time, make DOC oxidation catalyst converter 11 and DPF particle filter 1 heat up more fast, make the automatic regeneration function of the inside filter core coating of DOC oxidation catalyst converter 11 exert comprehensively, can make the carbon deposit of whole space collection of filter layer, avoid having wasted the use resource.
Further, the connecting cylinder 3 is in a circular ring shape, the connecting cylinder 3 is connected with the vacuum insulation cylinder 2 in a full-welding mode, and the first flow guide seat 4 is in a funnel-shaped shape.
In this embodiment, can laminate the outer wall of automobile body blast pipe more through ring shape setting, and utilize the mode of full weld to avoid appearing leaking gas.
Furthermore, the heat collecting ring 6 and the heat preservation ring 7 are both arranged in a circular ring shape, and the heat collecting block 5 and the heat collecting ring 6 are both made of volcanic rock.
In the embodiment, as the volcanic rock is porous and light in weight, the volcanic rock is more convenient to use, and the tail gas can be subjected to heat gathering.
Further, the heat shield 8 and the heat preservation cotton 9 are arranged in a circular ring shape, and the heat shield 8 is made of heat insulation materials.
In this embodiment, the heat insulation material is adopted, so that the temperature of the heat insulation cotton 9 can be kept in the heat insulation cover 8, and the heat loss can be avoided.
Further, the DOC oxidation catalyst 11 is arranged inside the heat preservation ring 7, and the inner wall of the vacuum heat preservation cylinder 2 is fixedly connected with a second flow guide seat 12 extending to the inner wall of the DPF particle filter 1.
In this embodiment, utilize DOC oxidation catalyst converter 11 can carry out preliminary treatment to tail gas, utilize second water conservancy diversion seat 12 can be with tail gas gathering to make tail gas enter into the inside to DPF particle filter 1, avoid the impurity in the tail gas to remain in the junction of DPF particle filter 1 and vacuum insulation section of thick bamboo 2.
Further, coupling mechanism includes stationary blade 13, stationary blade 13 fixed connection in DPF particle filter 1's surface, and the inner wall fixedly connected with connecting block 14 of stationary blade 13, the inside of connecting block 14 is rotationally vertical to be run through and is provided with bolt 15, and threaded groove 16 with bolt 15 threaded connection is seted up on the surface of vacuum insulation section of thick bamboo 2.
In this embodiment, the bolt 15 is screwed with the thread groove 16 when rotating, so as to fix the vacuum insulation cylinder 2 on the outer surface of the DPF particulate filter 1, so that the DPF particulate filter 1 can be conveniently detached and replaced from and to facilitate the cleaning of impurities such as sludge on the inner wall of the vacuum insulation cylinder 2.
An annular sealing groove 17 is formed in one end of the vacuum heat-insulating cylinder 2 and the inner wall of the fixing piece 13, and an annular sealing strip 18 clamped with the annular sealing groove 17 is fixedly connected to one end of the vacuum heat-insulating cylinder 2 and the inner wall of the fixing piece 13.
When the annular sealing strip 18 is clamped into the annular sealing groove 17, a labyrinth sealing structure can be formed, so that the sealing property is improved, and the leakage of tail gas at the joint of the DPF particle filter 1 and the vacuum heat-insulating cylinder 2 is avoided.
The working principle and the using process of the utility model are as follows: when using, at first install vacuum insulation section of thick bamboo 2 on DPF particle filter 1 to utilize connecting cylinder 3 to install on the blast pipe of automobile body, when exhaust emissions, the heat in the tail gas then can gather heat through gathering hot block 5, the tail gas after gathering heat then can enter into the inside to vacuum insulation section of thick bamboo 2, then further gather the heat and conduct for heat preservation cotton 9 through gathering hot ring 6 and heat preservation ring 7, then utilize heat preservation cotton 9 to keep the temperature, make the inside of vacuum insulation section of thick bamboo 2 keep stable temperature for a long time, make the temperature reach the service temperature of filter core coating.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a diesel engine tail gas cleanup unit that heat preservation is effectual which characterized in that: the DPF particle filter comprises a DPF particle filter (1), wherein a vacuum heat-insulating cylinder (2) is detachably arranged on the outer surface of the DPF particle filter (1), a connecting cylinder (3) is fixedly sleeved on the outer surface of the other end of the vacuum heat-insulating cylinder (2), a first flow guide seat (4) is fixedly connected to the inner wall of the connecting cylinder (3), a heat-collecting block (5) attached to the other end of the first flow guide seat (4) is fixedly connected to the inner wall of the connecting cylinder (3), a heat-insulating mechanism is arranged inside the vacuum heat-insulating cylinder (2), and a connecting mechanism is arranged on the outer surface of the DPF particle filter (1);
the heat preservation mechanism is including gathering hot ring (6), gather hot ring (6) set up in the inner wall of a vacuum heat preservation section of thick bamboo (2), gather the inner wall fixedly connected with heat preservation ring (7) of hot ring (6), the outer fixed surface cover of a vacuum heat preservation section of thick bamboo (2) is equipped with thermal-insulated cover (8), the outer wall of a vacuum heat preservation section of thick bamboo (2) just is located the inside fixed cover of thermal-insulated cover (8) is equipped with heat preservation cotton (9), the inside of heat preservation ring (7) runs through to be provided with and extends to heat conduction strip (10) of heat preservation cotton (9) inner wall.
2. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 1, characterized in that: the shape of connecting cylinder (3) is ring shape setting, and connecting cylinder (3) adopt full welding's mode to be connected with vacuum insulation section of thick bamboo (2), the shape of first water conservancy diversion seat (4) is hourglass hopper-shaped setting.
3. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 1, characterized in that: gather the shape of hot ring (6) and heat preservation ring (7) and all be ring shape setting, gather the material of hot piece (5) and gather hot ring (6) and all adopt the volcanic rock material.
4. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 1, characterized in that: the heat insulation cover (8) and the heat insulation cotton (9) are arranged in a circular ring shape, and the heat insulation cover (8) is made of heat insulation materials.
5. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 1, characterized in that: the inside of heat preservation ring (7) is provided with DOC oxidation catalyst (11), the inner wall fixedly connected with of vacuum insulation section of thick bamboo (2) extends to second water conservancy diversion seat (12) of DPF particle filter (1) inner wall.
6. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 1, characterized in that: the connecting mechanism comprises a fixing plate (13), the fixing plate (13) is fixedly connected to the outer surface of the DPF particle filter (1), the inner wall of the fixing plate (13) is fixedly connected with a connecting block (14), a bolt (15) is rotatably and vertically arranged inside the connecting block (14) in a penetrating mode, and a threaded groove (16) in threaded connection with the bolt (15) is formed in the surface of the vacuum heat-insulating cylinder (2).
7. The diesel engine exhaust purification device with good heat preservation effect as claimed in claim 6, characterized in that: the one end of a vacuum insulation section of thick bamboo (2) with annular seal groove (17) have all been seted up to the inner wall of stationary blade (13), the one end of a vacuum insulation section of thick bamboo (2) with the equal fixedly connected with of inner wall of stationary blade (13) with annular seal strip (18) of the mutual block of annular seal groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220437628.8U CN216866825U (en) | 2022-03-02 | 2022-03-02 | Diesel engine tail gas purification device with good heat preservation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220437628.8U CN216866825U (en) | 2022-03-02 | 2022-03-02 | Diesel engine tail gas purification device with good heat preservation effect |
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| Publication Number | Publication Date |
|---|---|
| CN216866825U true CN216866825U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220437628.8U Active CN216866825U (en) | 2022-03-02 | 2022-03-02 | Diesel engine tail gas purification device with good heat preservation effect |
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| Country | Link |
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| CN (1) | CN216866825U (en) |
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- 2022-03-02 CN CN202220437628.8U patent/CN216866825U/en active Active
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