CN210422815U - Air intake flame arrester for explosion-proof diesel engine - Google Patents
Air intake flame arrester for explosion-proof diesel engine Download PDFInfo
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- CN210422815U CN210422815U CN201921396431.9U CN201921396431U CN210422815U CN 210422815 U CN210422815 U CN 210422815U CN 201921396431 U CN201921396431 U CN 201921396431U CN 210422815 U CN210422815 U CN 210422815U
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- diesel engine
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- 238000009792 diffusion process Methods 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000009970 fire resistant effect Effects 0.000 claims 4
- 230000000979 retarding effect Effects 0.000 abstract description 11
- 238000004880 explosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an air intake flame arrester for an explosion-proof diesel engine, belonging to the field of flame arresters; the technical problem to be solved is to provide the air inlet flame arrester which has simple structure and convenient processing; the technical scheme for solving the technical problem is as follows: a gas inlet flame arrester for an explosion-proof diesel engine is characterized in that a gas inlet diffusion cover and a gas outlet flow collecting cover are both trapezoidal columnar platforms, a flame retarding pipe is a square columnar pipe body, one end of the flame retarding pipe is connected with a large opening end of the gas inlet diffusion cover, the other end of the flame retarding pipe is connected with a large opening end of the gas outlet flow collecting cover, a plurality of layers of flame retarding fence plates are uniformly distributed in the flame retarding pipe, the flame retarding fence plates are parallel to the central axes of the gas inlet diffusion cover, the flame retarding fence plates are connected with the flame retarding pipe through connecting bolts, and the flame retarding fence plates are flat; the utility model discloses but wide application in spark arrester field.
Description
Technical Field
The utility model relates to a spark arrester of admitting air for explosion-proof diesel engine belongs to spark arrester technical field.
Background
Colliery underworkings ventilation condition is limited, contains gas, so the explosion-proof diesel engine air intake system that the colliery adopted must install the spark arrester that admits air additional to spark in the prevention diesel engine cylinder scurries into from the air inlet, thereby arouses the gas explosion, and present spark arrester is mostly both sides round platform type, and middle cylinder type is connected, and middle circular back-fire relief board that uses is processed complicacy, and the installation is inconvenient, and the processing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides an air intake flame arrester with simple structure and convenient processing.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a spark arrester of admitting air for explosion-proof diesel engine, including the air inlet flange, the diffusion cover admits air, the mass flow cover of giving vent to anger, the flange of gathering flow of admitting air links to each other with the mass flow cover of giving vent to anger, the mass flow cover of giving vent to anger links to each other with the flange of admitting air, the aperture end of the mass flow cover of giving vent to anger links to each other with the flange of giving vent to anger, still including hindering the firetube, hinder the firetube and be the square column body, back-fire tube one end links to each other with the aperture end of the diffusion cover of admitting air, the other end links to each other with the aperture end of the mass flow cover of giving vent to anger, the intraductal equipartition of back-fire relief has multilayer back-fire relief.
The interval of the fire-retardant fence plates is less than 0.5 mm.
The fire-retardant fence plate is a stainless steel flat plate, the thickness of the fire-retardant fence plate is 1.1mm-1.5mm, and the length of the fire-retardant fence in the airflow direction is greater than 50 mm.
And a gasket is arranged between the fire-retardant fence plates.
The gasket is a stainless steel flat plate, and the thickness of the gasket is 0.4mm-0.48 mm.
The gasket, the fire-retardant fence plate and the connecting bolt are coaxially arranged.
Compared with the prior art, the utility model following beneficial effect has: the air inlet diffusion cover and the air outlet flow collecting cover are arranged to be trapezoidal columnar platforms, the processing is convenient, welding processing can be carried out only by using a plurality of steel plates, meanwhile, the volume of the air inlet cavity and the volume of the air outlet cavity can be effectively increased, the middle fire resistance uses the flat-plate fence, the flat-plate processing is convenient, the process is simple, the installation is convenient, and the processing cost is low.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view of fig. 1.
In the figure, 1 is an air inlet flange, 2 is an air inlet diffusion cover, 3 is an air outlet flow collecting cover, 4 is an air outlet flange, 5 is a fire retarding pipe, 6 is a fire retarding grid plate, 7 is a gasket, and 8 is a connecting bolt.
Detailed Description
As shown in fig. 1 and fig. 2, the utility model relates to an air inlet flame arrester for an explosion-proof diesel engine, which comprises an air inlet flange 1, an air inlet diffusion cover 2, an air outlet flow-collecting cover 3, an air outlet flange 4, the air inlet flange 1 is connected with the air inlet flow-collecting cover 2, the air outlet flow-collecting cover 3 is connected with the air outlet flange 3, the air inlet diffusion cover 2 and the air outlet flow-collecting cover 3 are both trapezoidal columnar platforms, the small mouth end of the air inlet diffusion cover 2 is connected with the air inlet flange 1, the small mouth end of the air outlet flow-collecting cover 3 is connected with the air outlet flange 4, the air inlet flame arrester device also comprises a flame arresting pipe 5, the flame arresting pipe 5 is a square columnar pipe body, one end of the flame arresting pipe 5 is connected with the large mouth end of the air inlet diffusion cover 2, the other end is connected with the large mouth end of the air outlet flow-collecting cover 3, a plurality of flame arresting barrier plates 6 are uniformly distributed in the flame arresting, 6 intervals of back-fire relief fence board are less than 0.5mm, and back-fire relief fence board 6 is the stainless steel flat board, back-fire relief fence board 6 thickness be 1.1mm-1.5mm, back-fire relief fence 6 air current direction length be greater than 50mm, be provided with gasket 7 between back-fire relief fence board 6, gasket 7 is the stainless steel flat board, gasket 7 thickness be 0.4mm-0.48mm, gasket 7, back-fire relief fence board 6 and connecting bolt are coaxial to be arranged.
The utility model discloses when using, inside mining explosion-proof diesel locomotive admits air and gets into the spark arrester through the air inlet flange, then in the air inlet manifold of admitting air, when the diesel engine reverses, inside explosion flame or spark can pass through air inlet manifold, get into inside the spark arrester of admitting air, can effectually prevent explosion flame or spark spread through multilayer back-fire relief fence board to reach explosion-proof effect, use trapezoidal column platform, processing is convenient, simple structure, low in manufacturing cost.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a spark arrester of admitting air for explosion-proof diesel engine, includes air intake flange (1), and diffusion cover (2) admits air gives vent to anger and gathers flow cover (3), and flange (4) of giving vent to anger, air intake flange (1) link to each other with air intake and gather flow cover (2), and it is continuous with flange (3) of giving vent to anger to give vent to anger and gathers flow cover (3), its characterized in that: air inlet diffusion cover (2) and air outlet afflux cover (3) are trapezoidal column platform, the little mouth end of air inlet diffusion cover (2) links to each other with air inlet flange (1), the little mouth end of air outlet afflux cover (3) links to each other with air outlet flange (4), still include fire-resistant pipe (5), fire-resistant pipe (5) is the square column body, fire-resistant pipe (5) one end links to each other with the big mouth end of air inlet diffusion cover (2), the other end links to each other with the big mouth end of air outlet afflux cover (3), the equipartition has multilayer back-fire relief fence board (6) in fire-resistant pipe (5), back-fire relief fence board (6) is parallel to each other with the axis of air inlet diffusion cover (2), back-fire relief fence board (6) are passed through connecting bolt (8) and are linked to each other with.
2. An air intake flame arrester for an explosion-proof diesel engine as claimed in claim 1, wherein: the interval of the fire-retardant fence plates (6) is less than 0.5 mm.
3. An air intake flame arrester for an explosion-proof diesel engine as claimed in claim 1, wherein: the fire-retardant fence plate (6) is a stainless steel flat plate, the thickness of the fire-retardant fence plate (6) is 1.1mm-1.5mm, and the length of the fire-retardant fence plate (6) in the airflow direction is larger than 50 mm.
4. An air intake flame arrester for an explosion-proof diesel engine as claimed in claim 1, wherein: and a gasket (7) is arranged between the fire-retardant fence plates (6).
5. The air inlet flame arrester for the explosion-proof diesel engine as claimed in claim 4, wherein: the gasket (7) is a stainless steel flat plate, and the thickness of the gasket (7) is 0.4-0.48 mm.
6. The air inlet flame arrester for the explosion-proof diesel engine as claimed in claim 4, wherein: the gasket (7), the fire-retardant fence plate (6) and the connecting bolt are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396431.9U CN210422815U (en) | 2019-08-27 | 2019-08-27 | Air intake flame arrester for explosion-proof diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396431.9U CN210422815U (en) | 2019-08-27 | 2019-08-27 | Air intake flame arrester for explosion-proof diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422815U true CN210422815U (en) | 2020-04-28 |
Family
ID=70364453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921396431.9U Active CN210422815U (en) | 2019-08-27 | 2019-08-27 | Air intake flame arrester for explosion-proof diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422815U (en) |
-
2019
- 2019-08-27 CN CN201921396431.9U patent/CN210422815U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intake flame arrester for explosion-proof diesel engines Granted publication date: 20200428 Pledgee: Shanxi Linyi Rural Commercial Bank Co.,Ltd. Pledgor: Shanxi explosion proof Locomotive Research Institute (Co.,Ltd.) Registration number: Y2024980016492 |