CN220582496U - Combustion cavity device for high-temperature combustion experiment of automobile exhaust pipe - Google Patents
Combustion cavity device for high-temperature combustion experiment of automobile exhaust pipe Download PDFInfo
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- CN220582496U CN220582496U CN202322249488.9U CN202322249488U CN220582496U CN 220582496 U CN220582496 U CN 220582496U CN 202322249488 U CN202322249488 U CN 202322249488U CN 220582496 U CN220582496 U CN 220582496U
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 155
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 238000006213 oxygenation reaction Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 50
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000002737 fuel gas Substances 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004200 deflagration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to the technical field of automobile exhaust pipe production, and discloses a combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe, which comprises a combustion chamber outer chamber, a combustion chamber inner chamber, a hole end cover, a mixed oxygen increasing core, a thread cutting sleeve, a gas pipe and a flange gas hole, wherein inner chamber supporting pieces are symmetrically arranged on the surface of the combustion chamber inner chamber; the inner cavity of the combustion cavity is separated from the outer cavity of the combustion cavity by the inner cavity supporting piece, so that gas which does not enter the inner combustion cavity can pass through the inner cavity, heat after combustion is taken away in time to the automobile experiment exhaust pipe, heat loss is reduced, the temperature of the inner combustion cavity and the temperature of the outer combustion cavity can be effectively reduced while the experiment temperature required by the exhaust pipe is met, the hearth pressure of the inner part of the whole cavity is reduced, the service life of parts in the whole cavity is prolonged, and the use environment is safer and more durable due to the reduction of the temperature of the outer combustion cavity.
Description
Technical Field
The utility model relates to the technical field of automobile exhaust pipe production, in particular to a combustion chamber device for an automobile exhaust pipe high-temperature combustion experiment.
Background
In the automobile research and development and production process, the engine simulated combustion experiment needs to be carried out on the developed and produced exhaust pipes, the experimental reliability is directly determined by the good or bad combustion effect of the combustion chamber on the combustor adopted by the simulated experiment, the existing combustion chamber device lacks a structure for obstructing and dispersing fuel gas, so that the fuel gas can be concentrated in a region, cannot be fully mixed with air to cause insufficient combustion, a large amount of harmful gas is generated to pollute the environment, the fuel economy is also influenced, and in the operation process, the insufficient combustion can also generate deflagration to endanger the safety of operators and equipment.
Disclosure of Invention
The utility model aims at providing a combustion chamber device for a high-temperature combustion experiment of an automobile exhaust pipe aiming at the existing device, and has the advantages of ensuring safe and efficient combustion of fuel gas in a combustion chamber, reducing emission of harmful gas, ensuring safety of operators, protecting environment and improving the combustion economy.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a combustion chamber device for automotive exhaust pipe high temperature combustion experiments, includes combustion chamber outer chamber, combustion chamber inner chamber, hole end cover, mixed oxygenation core, screw thread cutting ferrule, gas pipe, flange gas hole, the inner chamber support piece is installed to the surface symmetry of combustion chamber inner chamber, the combustion chamber inner chamber is installed in the inside of combustion chamber outer chamber and is kept away from combustion chamber outer chamber through inner chamber support piece, the hole end cover is installed in the combustion chamber inner chamber and is kept away from the one end and the inside symmetry of combustion chamber outer chamber and open the eyelet, mixed oxygenation core is installed in the one end and the surface symmetry of hole end cover kept away from combustion chamber inner chamber and open the hole, screw thread cutting ferrule threaded connection is kept away from the one end of hole end cover at mixed oxygenation core, the one end and the gas pipe fixed intercommunication of mixed oxygenation core are kept away from to the screw thread cutting ferrule, the other end and flange gas hole of gas pipe run through fixed connection, the flange gas hole passes through bolt and combustion chamber outer chamber threaded connection with combustion chamber inner chamber, hole end cover, mixed oxygenation core, screw thread, gas pipe are installed inside to the flange gas hole.
The technical scheme is adopted: the gas is initially mixed by using the mixing oxygenation core through optimizing and innovating the inside of the combustion cavity, so that the gas is kept stable, deflagration is prevented from being generated when the gas just enters the combustion cavity, the safety of equipment is improved, and meanwhile, the air compressor forcedly enters the inside of the gas pipe of the mixing oxygenation core, so that the gas can be fully mixed in the mixing oxygenation core of the inner cavity, and the combustion efficiency is improved; through the combined use of the hole end cover and the combustion cavity inner cavity, on one hand, vortex generated by air provided by the air compressor during high-flow operation can be prevented, and meanwhile, the porous structure can have certain blocking and dispersing effects on air flow so that the air flow and the fuel gas are further mixed and combusted; the inner cavity of the combustion cavity is separated from the outer cavity of the combustion cavity by the inner cavity supporting piece, so that gas which does not enter the inner combustion cavity can pass through the inner cavity, heat after combustion is taken away in time to the automobile experiment exhaust pipe, heat loss is reduced, the temperature of the inner combustion cavity and the temperature of the outer combustion cavity can be effectively reduced while the experiment temperature required by the exhaust pipe is met, the hearth pressure of the inner part of the whole cavity is reduced, the service life of parts in the whole cavity is prolonged, and the use environment is safer and more durable due to the reduction of the temperature of the outer combustion cavity.
The utility model is further characterized in that a circulation groove is formed in the inner part of the inner wall of the outer cavity of the combustion cavity, the circulation groove is formed in the inner part of the inner wall of the outer cavity of the combustion cavity in a spring winding mode, and two ends of the circulation groove are respectively communicated with a water injection pipe and a water discharge pipe which are fixedly connected with the outer cavity of the combustion cavity.
The technical scheme is adopted: through the water injection pipe with the cooling water input to the circulation groove inside of the outer intracavity wall of combustion chamber, make the cooling water flow in the inside of circulation groove, absorb the inside heat of the outer intracavity of combustion chamber, then flow through the drain pipe, carry out rapid cooling to the outer chamber of combustion chamber to can open the outer chamber of combustion chamber immediately and change vehicle vent-pipe, improve experimental efficiency.
The utility model is further characterized in that one end of the outer cavity of the combustion cavity, which is close to the flange fuel hole, is provided with a spring washer which is connected with the inner cavity of the combustion cavity in a sliding way.
The technical scheme is adopted: can effectively fill the clearance between combustion chamber outer chamber and the combustion chamber inner chamber, prevent to receive the characteristic influence of metal thermal expansion cooling shrink in the in-process of using, lead to the clearance increase between combustion chamber inner chamber and the combustion chamber outer chamber), produce abnormal sound in the operation in-process.
The utility model is further arranged that one side of the surface of the outer cavity of the combustion cavity is provided with a spark plug mounting hole.
The technical scheme is adopted: the spark plug may be mounted to the interior of the combustion chamber outer chamber.
The utility model is further arranged that the ends of the water injection pipe and the water discharge pipe, which are far away from the circulation groove, are provided with threaded joints.
The technical scheme is adopted: the water injection pipe and the drain pipe are convenient to be communicated with the water pump pipeline.
The utility model is further provided that the surfaces of the water injection pipe and the water discharge pipe, which are close to one end of the combustion chamber, are sleeved with sealing rings.
The technical scheme is adopted: the sealing performance is improved, and the exudation of cooling water is avoided.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through optimizing and innovating the inner part of the combustion cavity, the mixing oxygenation core is used for primarily mixing the fuel gas, so that the gas is kept stable, deflagration is prevented from being generated when the fuel gas just enters the combustion cavity, the safety of equipment is improved, and meanwhile, the air compressor forcedly enters the gas pipe of the mixing oxygenation core, so that the gas can be more fully mixed in the mixing oxygenation core of the inner cavity, and the combustion efficiency is improved;
according to the utility model, through the combined use of the hole end cover and the combustion cavity inner cavity, on one hand, vortex generated when the air provided by the air compressor runs at a high flow rate can be prevented, and meanwhile, the porous structure can have certain blocking and dispersing effects on the air flow so that the air flow and the fuel gas are further mixed and combusted;
according to the utility model, the inner cavity of the combustion cavity is separated from the outer cavity of the combustion cavity by using the inner cavity supporting piece to generate the cavity, so that gas which does not enter the inner combustion cavity can pass through the cavity, heat after combustion is taken away in time into the automobile experiment exhaust pipe, heat loss is reduced, the temperature of the inner combustion cavity and the outer combustion cavity can be effectively reduced while the experiment temperature required by the exhaust pipe is met, the rifling pressure in the whole cavity is reduced, the service life of internal parts is prolonged, and the temperature of the outer combustion cavity is reduced, so that the use environment is safer and more durable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is a side view of the structure of the present utility model;
fig. 4 is a partial structural cross-sectional view of the present utility model.
In the figure: 1. an outer combustion chamber; 2. a combustion chamber inner cavity; 3. a hole end cap; 4. mixing an oxygenation core; 5. a thread cutting sleeve; 6. a gas pipe; 7. a lumen support; 8. an eyelet; 9. a hole; 10. a flange gas hole; 11. a flow channel; 12. a water injection pipe; 13. a drain pipe; 14. a spring washer; 15. a spark plug mounting hole; 16. a threaded joint; 17. and (3) a sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to figures 1, 2 and 3, a combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe comprises a combustion chamber outer chamber 1, a combustion chamber inner chamber 2, a hole end cover 3, a mixed oxygenation core 4, a threaded clamping sleeve 5, a gas pipe 6 and a flange gas hole 10, wherein inner chamber supporting pieces 7 are symmetrically arranged on the surface of the combustion chamber inner chamber 2, the combustion chamber inner chamber 2 is arranged in the combustion chamber outer chamber 1 and isolated from the combustion chamber outer chamber 1 through the inner chamber supporting pieces 7, the hole end cover 3 is arranged at one end of the combustion chamber inner chamber 2 away from the combustion chamber outer chamber 1, holes 8 are symmetrically formed in the inner portion, the mixed oxygenation core 4 is arranged at one end of the hole end cover 3 away from the combustion chamber inner chamber 2, holes 9 are symmetrically formed in the surface, the threaded clamping sleeve 5 is in threaded connection with one end of the mixed oxygenation core 4 away from the hole end cover 3, the screw thread cutting ferrule 5 is kept away from the one end of mixing oxygenation core 4 and is fixedly communicated with gas pipe 6, the other end of gas pipe 6 runs through fixedly connected with flange gas hole 10, flange gas hole 10 passes through the bolt and is connected with combustion chamber outer chamber 1 screw thread and installs combustion chamber inner chamber 2, hole end cover 3, mixing oxygenation core 4, screw thread cutting ferrule 5, gas pipe 6 inside, through optimizing innovation to the combustion chamber inside, mixing oxygenation core 4 is used to carry out preliminary mixing to the gas, it is that the gas keeps stable, prevent to have produced deflagration just entering the combustion chamber, equipment security has been improved, simultaneously the air compressor forces air to get into mixing oxygenation core gas pipe 6 inside, can make the gas mix in inner chamber mixing oxygenation core 4 more abundant, improve combustion efficiency; through the combined use of the hole end cover 3 and the combustion cavity inner cavity 2, on one hand, vortex generated when the air provided by the air compressor runs at a high flow rate can be prevented, and meanwhile, the porous structure can have certain blocking and dispersing effects on the air flow so that the air flow and the fuel gas are further mixed and combusted; the inner cavity 2 and the outer cavity 1 of the combustion cavity are separated by the inner cavity supporting piece 7 to form a cavity, gas which does not enter the inner combustion cavity can pass through the cavity, heat after combustion is taken away in time to an automobile experiment exhaust pipe, heat loss is reduced, the temperature of the inner combustion cavity and the outer combustion cavity can be effectively reduced while the experiment temperature required by the exhaust pipe is met, the rifling pressure of the inner part of the whole cavity is reduced, the service life of parts in the whole cavity is prolonged, and the temperature of the outer combustion cavity is reduced, so that the use environment is safer and more durable.
Referring to fig. 1, 2 and 4, a circulation groove 11 is formed in the inner wall of the outer cavity 1 of the combustion chamber, the circulation groove 11 is formed in the inner wall of the outer cavity 1 of the combustion chamber in a spring winding mode, two ends of the circulation groove 11 are respectively communicated with a water injection pipe 12 and a water discharge pipe 13 fixedly connected with the outer cavity 1 of the combustion chamber, cooling water is input into the circulation groove 11 in the inner wall of the outer cavity 1 of the combustion chamber through the water injection pipe 12, the cooling water flows in the circulation groove 11, heat in the outer cavity 1 of the combustion chamber is absorbed, then the cooling water flows out through the water discharge pipe 13, the outer cavity 1 of the combustion chamber is cooled rapidly, accordingly the outer cavity 1 of the combustion chamber can be immediately opened to replace an automobile exhaust pipe, and experimental efficiency is improved.
Referring to fig. 2 and 3, a spring washer 14 which is slidably connected with the combustion chamber inner cavity 2 is installed at one end, close to the flange gas hole 10, of the combustion chamber outer cavity 1, so that gaps between the combustion chamber outer cavity 1 and the combustion chamber inner cavity 2 can be effectively filled, influences of characteristics of metal expansion, cooling and shrinkage caused by heating in a using process are prevented, gaps between the combustion chamber inner cavity 2 and the combustion chamber outer cavity 1 are increased, and abnormal noise is generated in an operating process.
Referring to fig. 1, a spark plug mounting hole 15 is formed at one side of the surface of the combustion chamber outer chamber 1, and a spark plug can be mounted inside the combustion chamber outer chamber 1.
Referring to fig. 2 and 4, the water injection pipe 12 and the water discharge pipe 13 are provided with screw joints 16 at ends thereof remote from the circulation tank 11, so that the water injection pipe 12 and the water discharge pipe 13 are conveniently communicated with the water pump pipeline.
Referring to fig. 2 and 4, the surfaces of the water injection pipe 12 and the water discharge pipe 13, which are close to one end of the combustion chamber outer chamber 1, are respectively sleeved with a sealing ring 17, so that the tightness is improved, and the cooling water is prevented from exuding.
The use process is briefly described: firstly, gas enters the mixing oxygenation core 4 through the gas pipe 6 and the thread cutting sleeve 5, holes uniformly distributed on the surface of the mixing oxygenation core 4 enable compressed high-pressure gas to enter the inner cavity of the mixing oxygenation core 4 and initially mix with the gas, the initially mixed combustible gas enters the combustion cavity inner cavity 2 through the gas pipe in the center of the hole end cover 3, the combustible mixed gas is mixed and combusted in the combustion cavity inner cavity 2 and air flowing in the hole 8, on the one hand, the hole end cover 3 can prevent vortex generated when the gas provided by the air compressor runs at a large flow rate, meanwhile, the hole 8 in the hole end cover 3 can prevent the gas flow to have certain obstruction and dispersion effect to enable the gas flow and the gas to be further mixed and combusted, and meanwhile, the inner cavity supporting piece 7 between the combustion cavity inner cavity 2 and the combustion cavity outer cavity 1 plays a role of isolating and separating the gas, so that compressed air which does not pass through the hole end cover 3 can smoothly flow, a large amount of heat generated after combustion is timely taken away, and the temperature of the combustion cavity inner cavity 2 and the combustion cavity outer cavity 1 is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a combustion chamber device for automotive exhaust pipe high temperature combustion experiments, includes combustion chamber outer chamber (1), combustion chamber inner chamber (2), hole end cover (3), mixes oxygenation core (4), screw thread cutting ferrule (5), gas pipe (6), flange gas hole (10), its characterized in that: the utility model discloses a combustion chamber, including burning chamber inner chamber (2), combustion chamber inner chamber (2), inner chamber support piece (7) are installed to the surface symmetry of burning chamber inner chamber (2), the inside of burning chamber outer chamber (1) is kept away from through inner chamber support piece (7) and burning chamber outer chamber (1), hole end cover (3) are installed in burning chamber inner chamber (2) and keep away from the one end and the inside symmetry of burning chamber outer chamber (1) and open there is eyelet (8), the one end and the surface symmetry that keep away from burning chamber inner chamber (2) in hole end cover (3) are installed in mixed oxygenation core (4) open there is hole (9), one end that hole end cover (3) was kept away from in mixed oxygenation core (4) is threaded connection to screw thread cutting ferrule (5), one end and gas pipe (6) fixed intercommunication of mixed oxygenation core (4) are kept away from to screw thread cutting ferrule (5), the other end and flange gas hole (10) run through fixed connection of gas pipe (6) of gas pipe (10), flange gas hole (10) pass through bolt and burning chamber outer chamber (1) threaded connection, hole end cover (3), mixed oxygenation core (4), screw thread (5) are installed inside (6).
2. The combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe according to claim 1, wherein: the utility model discloses a combustion chamber, including combustion chamber outer chamber (1), combustion chamber outer chamber (1) and drain pipe, circulation groove (11) have been seted up to the inside of the inner wall of combustion chamber outer chamber (1), circulation groove (11) are the inside of spring winding type seting up at combustion chamber outer chamber (1) inner wall, the both ends of circulation groove (11) communicate respectively have water injection pipe (12) and drain pipe (13) with combustion chamber outer chamber (1) fixed connection.
3. The combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe according to claim 1, wherein: and one end of the combustion chamber outer cavity (1) close to the flange combustion air hole (10) is provided with a spring washer (14) which is connected with the combustion chamber inner cavity (2) in a sliding manner.
4. The combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe according to claim 1, wherein: one side of the surface of the combustion chamber outer chamber (1) is provided with a spark plug mounting hole (15).
5. The combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe according to claim 2, wherein: screw joints (16) are arranged at one ends of the water injection pipe (12) and the water discharge pipe (13) far away from the circulation groove (11).
6. The combustion chamber device for high-temperature combustion experiments of an automobile exhaust pipe according to claim 2, wherein: the surfaces of the water injection pipe (12) and the water discharge pipe (13) close to one end of the combustion chamber outer cavity (1) are sleeved with sealing rings (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249488.9U CN220582496U (en) | 2023-08-21 | 2023-08-21 | Combustion cavity device for high-temperature combustion experiment of automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249488.9U CN220582496U (en) | 2023-08-21 | 2023-08-21 | Combustion cavity device for high-temperature combustion experiment of automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220582496U true CN220582496U (en) | 2024-03-12 |
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ID=90111739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249488.9U Active CN220582496U (en) | 2023-08-21 | 2023-08-21 | Combustion cavity device for high-temperature combustion experiment of automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220582496U (en) |
-
2023
- 2023-08-21 CN CN202322249488.9U patent/CN220582496U/en active Active
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