CN211258765U - Air inlet flow mixing device of diesel engine pollutant control device - Google Patents
Air inlet flow mixing device of diesel engine pollutant control device Download PDFInfo
- Publication number
- CN211258765U CN211258765U CN201922285577.2U CN201922285577U CN211258765U CN 211258765 U CN211258765 U CN 211258765U CN 201922285577 U CN201922285577 U CN 201922285577U CN 211258765 U CN211258765 U CN 211258765U
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- Prior art keywords
- air inlet
- fixedly connected
- inlet pipe
- diesel engine
- wall
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 21
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000010030 laminating Methods 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 23
- 239000004202 carbamide Substances 0.000 abstract description 23
- 239000008187 granular material Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a diesel engine pollutant controlling means mixed flow device that admits air, it includes the intake pipe, fixedly connected with guide plate on the one end inner wall of intake pipe, the middle part outside of intake pipe is provided with the jet, one side of jet is provided with the closing plate, fixedly connected with thread bush on the inner wall of closing plate, thread bush cup joints in the other end outside of intake pipe and through screw thread and intake pipe fixed connection, the one end fixedly connected with sealing washer of thread bush, the discharge gate has been seted up on the other end lateral wall of intake pipe, one side that the guide plate was kept away from to the discharge gate is. Above-mentioned diesel engine pollutant controlling means mixed flow device that admits air is through being provided with a plurality of guide plates in the intake pipe, and a plurality of guide plates can form the heliciform air current, and the air current of being convenient for mixes with urea solution, is provided with discharge gate and filter screen in the intake pipe, and the discharge gate can be with the urea granule shredding discharge that the filter screen filtered off, has improved the availability factor of urea.
Description
Technical Field
The utility model relates to an air inlet flow mixing device, in particular to an air inlet flow mixing device of a diesel engine pollutant control device.
Background
The tail gas of the diesel engine is a major factor of air pollution, and for automobile engine factories, the engine on each stand continuously works in the production process, so that the pollution is more prominent, and the environmental protection department has made considerable limitation on the pollutant emission of the engine factories. In the related art, mainstream diesel exhaust gas treatment equipment is a double-alkali method and a chemical method, wherein the nitrogen oxide purification capacity of the diesel exhaust gas treatment equipment is low, the equipment can generate secondary pollution sources such as harmful wastewater and waste heat, and the secondary pollution sources are high in cost and need to separately arrange a storage space for dangerous chemicals and generate secondary pollution because chemicals such as strong acid are mostly adopted to treat exhaust gas. The existing diesel engine tail gas generally takes urea as a reducing agent to reduce part of harmful substances in the tail gas, the existing mixing efficiency of the urea and the tail gas is low, and the tail gas treatment efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a diesel engine pollutant controlling means mixed flow device that admits air to solve the problem that the mixing efficiency of urea and tail gas is low among the prior art.
Another object of the utility model is to provide a diesel engine pollutant controlling means mixed flow device's work flow that admits air to solve the problem that the mixing efficiency of urea and tail gas is low among the prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
an air inlet flow mixing device of a diesel engine pollutant control device comprises an air inlet pipe, a guide plate is fixedly connected to the inner wall of one end of the air inlet pipe, a jet orifice is arranged on the outer side of the middle part of the air inlet pipe, a sealing plate is arranged on one side of the jet orifice, a threaded sleeve is fixedly connected to the inner wall of the sealing plate, the threaded sleeve is sleeved on the outer side of the other end of the air inlet pipe and is fixedly connected with the air inlet pipe through threads, a sealing ring is fixedly connected to one end of the threaded sleeve and is attached to the outer wall of the air inlet pipe, a discharge hole is formed in the side wall of the other end of the air inlet pipe, a filter screen is arranged on one side, away from the guide plate, of the discharge hole, the edge of the filter screen is fixedly connected with the inner, the attaching plate is attached to the extending plate, a plurality of pipe holes are formed in the outer side of the connecting pipe, and the other end of the connecting pipe is fixedly connected with a baffle.
As a further improvement of the scheme, the guide plates are arranged in a plurality of numbers, the guide plates are distributed in an annular array mode, and the guide plates are arranged in an inclined structure.
As a further improvement of the scheme, the discharge ports are formed in a plurality, and the discharge ports are distributed in an annular array.
As a further improvement of the scheme, one side of the discharge port, which is close to the guide plate, is provided with a fixed rod, the two ends of the fixed rod are fixedly connected with the inner wall of the air inlet pipe, one side of the middle part of the fixed rod is movably connected with a movable block through a pin shaft, and the outer side of the movable block is fixedly connected with a plurality of mixed flow fan blades distributed in an annular array.
As a further improvement of the scheme, the other end of the air inlet pipe is fixedly connected with an annular convex block, an annular notch is formed in one end of the connecting pipe, the annular notch is matched with the annular convex block, an elastic sealing strip is connected to the inner wall of the annular notch in an adhering mode, and the elastic sealing strip is connected with the annular convex block in an adhering mode.
As a further improvement of this scheme, a plurality of recesses that are the annular array and distribute are seted up to one side of extension board, spacing spout has been seted up to one side of recess, one side fixedly connected with of attaching plate a plurality of spacing sliders with recess one-to-one, spacing slider and spacing spout looks adaptation.
The beneficial effects of the utility model are that, compared with the prior art diesel engine pollutant controlling means mixed flow device that admits air is through being provided with a plurality of guide plates in the intake pipe, a plurality of guide plates can form the heliciform air current, the air current of being convenient for mixes with urea solution, be provided with discharge gate and filter screen in the intake pipe, the discharge gate can cut up the urea granule that the filter screen filtered off and discharge, be provided with a plurality of tube holes on the connecting pipe, a plurality of tube holes can be quick spout urea solution, the availability factor of urea has been improved, the work efficiency of this device has also been improved simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of an air intake flow mixing device of a diesel engine pollutant control device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of the whole structure of an air inlet flow mixing device of a pollutant control device of a diesel engine according to an embodiment of the present invention;
fig. 3 is a schematic side view of an extended plate structure of an air intake flow mixing device of a diesel engine pollutant control device according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, in the present embodiment, an air inlet flow mixing device for a pollutant control device of a diesel engine includes an air inlet pipe 1, a plurality of flow deflectors 2 are fixedly connected to an inner wall of one end of the air inlet pipe 1, the flow deflectors 2 are arranged in a plurality of annular arrays, the flow deflectors 2 are arranged in an inclined structure, the flow deflectors 2 can guide external air flow to form spiral air flow, a jet orifice 3 is arranged at an outer side of a middle portion of the air inlet pipe 1, the jet orifice 3 can inject urea solution into the air inlet pipe 1, a sealing plate 4 is arranged at one side of the jet orifice 3, a threaded sleeve 5 is fixedly connected to an inner wall of the sealing plate 4, the threaded sleeve 5 is sleeved to an outer side of the other end of the air inlet pipe 1 and is fixedly connected to the air inlet pipe 1 through threads, a sealing ring 6 is, seted up discharge gate 7 on intake pipe 1's the other end lateral wall, discharge gate 7 has seted up a plurality ofly, a plurality of discharge gates 7 are the annular array and distribute, the inside of discharge gate 7 is provided with the cutter, discharge gate 7 can be with the urea granule shredding discharge, one side that guide plate 2 was kept away from to discharge gate 7 is provided with filter screen 8, filter screen 8's edge and intake pipe 1's inner wall fixed connection, filter screen 8 has played filterable effect, can filter the urea granule in the solution, intake pipe 1's the other end outside fixedly connected with extension board 9, intake pipe 1's the other end is provided with connecting pipe 10, the one end outside fixedly connected with of connecting pipe 10 laminating board 11, laminating board 11 is connected with extension board 9, a plurality of tube holes 12 have been seted up in the outside of connecting pipe 10, a plurality of tube holes 12 can be quick spout urea solution.
A fixed rod 14 is arranged on one side of the discharge port 7 close to the guide plate 2, two ends of the fixed rod 14 are fixedly connected with the inner wall of the air inlet pipe 1, one side of the middle part of the fixed rod 14 is movably connected with a movable block 15 through a pin shaft, a plurality of mixed flow fan blades 16 distributed in an annular array are fixedly connected to the outer side of the movable block 15, and the mixed flow fan blades 16 are arranged to play a role in stirring and mixing and can uniformly mix external air flow with urea and SCR;
the other end of the air inlet pipe 1 is fixedly connected with an annular convex block 17, one end of the connecting pipe 10 is provided with an annular notch 18, the annular notch 18 is matched with the annular convex block 17, the inner wall of the annular notch 18 is connected with an elastic sealing strip 19 in an adhering mode, the elastic sealing strip 19 is connected with the annular convex block 17 in an adhering mode, the elastic sealing strip 19 is arranged to play a sealing role, and the urea solution is prevented from being leaked and flowing out from the connection position of the annular notch 18 and the annular convex block 17 under the drive of high-speed;
a plurality of recesses 20 that are the annular array and distribute are seted up to one side of extension board 9, and spacing spout 21 has been seted up to one side of recess 20, one side fixedly connected with of attaching plate 11 a plurality of and the spacing slider 22 of recess 20 one-to-one, spacing slider 22 and spacing spout 21 looks adaptation, spacing slider 22 and spacing spout 21 cooperation can be with extension board 9 and attaching plate 11 spacing fixed for connecting pipe 10 fixed mounting is on intake pipe 1.
The specific working process of the air inlet flow mixing device of the diesel engine pollutant control device comprises the following steps:
1) firstly, air inlet work is carried out through an air inlet pipe 1, outside air flow is guided through a guide plate 2 to form spiral air flow, and then urea and SCR are sprayed into the air inlet pipe 1 through a spray opening 3;
2) the spiral airflow drives the urea and the SCR to penetrate through the mixed flow fan blade 16 and drives the mixed flow fan blade 16 to rotate, and the mixed flow fan blade 16 fully mixes the spiral airflow, the urea and the SCR;
3) the mixed air flow passes through the filter screen 8, the filter screen 8 blocks urea particles in the mixed air flow, and the remaining mixed air flow is discharged through the pipe hole 12 of the connecting pipe 10
4) The mixed gas flow discharges urea particles remained in the gas inlet pipe 1 through the discharge hole 7, and the discharge hole 7 breaks the urea particles.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An air inlet flow mixing device of a diesel engine pollutant control device comprises an air inlet pipe and is characterized in that a guide plate is fixedly connected to the inner wall of one end of the air inlet pipe, a jet orifice is arranged on the outer side of the middle of the air inlet pipe, a sealing plate is arranged on one side of the jet orifice, a threaded sleeve is fixedly connected to the inner wall of the sealing plate, the threaded sleeve is sleeved on the outer side of the other end of the air inlet pipe and is fixedly connected with the air inlet pipe through threads, a sealing ring is fixedly connected to one end of the threaded sleeve and is attached to the outer wall of the air inlet pipe, a discharge hole is formed in the side wall of the other end of the air inlet pipe, a filter screen is arranged on one side, away from the guide plate, of the discharge hole, the edge of, the one end outside fixedly connected with rigging board of connecting pipe, the rigging board is connected with the extension board laminating, a plurality of tube holes have been seted up in the outside of connecting pipe, and the other end fixedly connected with baffle of connecting pipe.
2. The diesel pollutant control device inlet flow mixing device of claim 1, wherein the baffle is provided with a plurality of baffles, the plurality of baffles are distributed in an annular array, and the baffles are arranged in an inclined structure.
3. The diesel engine pollutant control device inlet flow mixing device of claim 1, wherein a plurality of outlets are provided, and a plurality of outlets are distributed in an annular array.
4. The diesel engine pollutant control device air inlet flow mixing device of claim 1, wherein a fixed rod is arranged at one side of the discharge port close to the guide plate, both ends of the fixed rod are fixedly connected with the inner wall of the air inlet pipe, a movable block is movably connected to one side of the middle of the fixed rod through a pin shaft, and a plurality of flow mixing blades distributed in an annular array are fixedly connected to the outer side of the movable block.
5. The diesel engine pollutant control device air inlet flow mixing device of claim 1, wherein the other end of the air inlet pipe is fixedly connected with an annular bump, one end of the connecting pipe is provided with an annular notch, the annular notch is matched with the annular bump, the inner wall of the annular notch is connected with an elastic sealing strip in an adhering manner, and the elastic sealing strip is connected with the annular bump in an adhering manner.
6. The diesel engine pollutant control device inlet flow mixing device of claim 1, wherein a plurality of grooves are formed in one side of the extension plate, the grooves are distributed in an annular array, a limiting sliding groove is formed in one side of the grooves, a plurality of limiting sliding blocks corresponding to the grooves in a one-to-one manner are fixedly connected to one side of the attachment plate, and the limiting sliding blocks are matched with the limiting sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285577.2U CN211258765U (en) | 2019-12-18 | 2019-12-18 | Air inlet flow mixing device of diesel engine pollutant control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285577.2U CN211258765U (en) | 2019-12-18 | 2019-12-18 | Air inlet flow mixing device of diesel engine pollutant control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258765U true CN211258765U (en) | 2020-08-14 |
Family
ID=71960360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922285577.2U Expired - Fee Related CN211258765U (en) | 2019-12-18 | 2019-12-18 | Air inlet flow mixing device of diesel engine pollutant control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258765U (en) |
-
2019
- 2019-12-18 CN CN201922285577.2U patent/CN211258765U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |