CN-224220639-U - Melting blocking type self-cleaning flame arrester assembly

CN224220639UCN 224220639 UCN224220639 UCN 224220639UCN-224220639-U

Abstract

The utility model discloses a fusion blocking type self-cleaning flame arrester component, which comprises an existing flame arrester, an assembly and a dust removing brush, wherein the assembly comprises a first flame arrester orifice plate, a second flame arrester orifice plate and a fusing post, the first flame arrester orifice plate is connected to the air inlet side of the existing flame arrester through a ring piece, a cavity is formed between the first flame arrester orifice plate and the existing flame arrester and the inner side of the ring piece together, the second flame arrester orifice plate is arranged in the cavity, the second flame arrester orifice plate is connected with the first flame arrester orifice plate through the fusing post and forms a reserved space with the ring piece at intervals, the first flame arrester orifice plate is provided with a release coating on one side deviating from the existing flame arrester, the dust removing brush is positioned on the air inlet side of the first flame arrester orifice plate and is connected with a motor arranged on the first flame arrester orifice plate in a driving mode, the frequency of dismantling and washing of the flame arrester can be reduced, when emergency conditions such as long-time tempering occur, the fusing post can be gradually softened until the air holes of the second flame arrester orifice plate and the air holes of the first flame arrester orifice plate are completely misplaced, and thus a gas pipeline can be completely blocked.

Inventors

MA LEI
DU JIAMING
WANG ZHIYI
Jiao Yanglei
HUANG CHAO
YANG QIANHONG
CHEN CHAOCHAO
WANG XINGKAI
FAN DECHENG
LI LONGWEI

Assignees

贵州金泽新能源科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250512

Claims (10)

1. A melt blocking self-cleaning flame arrestor assembly, comprising: an existing flame arrester; The assembly comprises a first fire-retarding orifice plate, a second fire-retarding orifice plate and a fusing post, wherein the first fire-retarding orifice plate is connected to the air inlet side of the existing fire arrestor through a ring piece, a cavity is formed between the first fire-retarding orifice plate and the existing fire arrestor and on the inner side of the ring piece together, the second fire-retarding orifice plate is arranged in the cavity, the second fire-retarding orifice plate is connected with the first fire-retarding orifice plate through the fusing post and forms a reserved space with the ring piece at intervals in the connection state, and the fusing temperature of the fusing post is higher than the highest process requirement temperature of a system applied by the fusion blocking type self-cleaning fire arrestor component; the dust removing brush is arranged on one side of the first fire-retarding orifice plate, which is away from the existing fire-retarding device, is provided with an anti-sticking coating, is positioned on the air inlet side of the first fire-retarding orifice plate and is in driving connection with a motor arranged on the first fire-retarding orifice plate, and is used for brushing the anti-sticking coating; Wherein the air holes of the first fire-retarding orifice plate and the second fire-retarding orifice plate are completely dislocated under the condition that the fusing post is melted.
2. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, The fusing post has a melting temperature greater than a material melting temperature of the release coating.
3. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, Materials for the fuse post include, but are not limited to, polytetrafluoroethylene, lead, zinc, or aluminum.
4. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, The aperture of the air holes of the first fire-retarding orifice plate and the aperture of the air holes of the second fire-retarding orifice plate are equal, the aperture gap of the first fire-retarding orifice plate and the aperture gap of the second fire-retarding orifice plate are equal, the second fire-retarding orifice plate is concentric with the first fire-retarding orifice plate under the state that the second fire-retarding orifice plate is connected with the first fire-retarding orifice plate through the fusing column, and the radial size of the reserved space along the first fire-retarding orifice plate is larger than the aperture of the air holes and smaller than the aperture gap.
5. The melt-blocking self-cleaning flame arrester assembly of claim 4, wherein, The pore diameter of the air hole is 0.2mm-0.8mm, and the pore gap is 1.4mm-4.0mm.
6. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, The ring member is of an annular structure.
7. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, The existing flame arresters adopt corrugated flame arresters.
8. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, The fusion blocking type self-cleaning flame arrester assembly further comprises a collecting hopper, wherein the collecting hopper is used for being installed on a gas pipeline and located below the side of the dust removing brush, and the collecting hopper is used for collecting impurities brushed down by the dust removing brush.
9. The melt-blocking self-cleaning flame arrester assembly of claim 8, wherein, The collecting hopper is detachably connected with a collecting tank.
10. The melt-blocking self-cleaning flame arrester assembly of claim 1, wherein, And a protective cover is arranged outside the motor.

Description

Melting blocking type self-cleaning flame arrester assembly Technical Field The utility model relates to the technical field of gas fire resistance, in particular to a melting blocking type self-cleaning flame arrester component. Background As an important common device in the treatment of fuel gas and industrial fuel gas, flame arresters are safety devices for preventing the spread of flames of flammable gases and flammable liquid vapors. In practical application, impurities such as solid particles exist in the fuel gas, and the impurities are blocked and accumulated by the corrugated net of the flame arrester in the fuel gas transportation process, so that the gas flux is reduced. The disassembly and cleaning are often needed when the device is blocked, the device is generally cleaned once in 1 to 2 days, the disassembly and cleaning frequency is high, and the device is often stopped when the device is disassembled and cleaned, so that the whole process flow is greatly influenced. On the other hand, the conventional flame arresters with the net-shaped structures cannot realize complete isolation of the system, and when emergency situations such as abnormal combustion, temperature rise and the like occur, gas backflow can be caused, and even serious safety accidents occur. Disclosure of utility model The application provides a melting blocking type self-cleaning flame arrester component, which solves the technical problems that the conventional flame arrester with a reticular structure in the prior art has frequent disassembly and washing, causes shutdown defects during cleaning, cannot realize complete isolation of a system and the like. The application provides a fusion blocking type self-cleaning flame arrester component, which comprises an existing flame arrester, an assembly and a dust removing brush, wherein the assembly comprises a first flame arrester orifice plate, a second flame arrester orifice plate and a fusing post, the first flame arrester orifice plate is connected to the air inlet side of the existing flame arrester through a ring piece, a cavity is formed between the first flame arrester orifice plate and the existing flame arrester and the inner side of the ring piece together, the second flame arrester orifice plate is arranged in the cavity, the second flame arrester orifice plate is connected with the first flame arrester orifice plate through the fusing post and forms a reserved space with the ring piece at intervals in the connecting state, the melting temperature of the fusing post is higher than the highest temperature required by a process of a system to which the fusion blocking type self-cleaning flame arrester component is applied, the first flame arrester orifice plate is provided with an anti-sticking coating on one side deviating from the existing flame arrester, the dust removing brush is positioned on the air inlet side of the first flame arrester orifice plate and is in driving connection with a motor arranged on the first flame arrester orifice plate, the dust removing brush is used for brushing the anti-sticking coating, and the second flame arrester orifice plate moves along the reserved space under the condition that the fusing post is melted, so that the first flame arrester orifice plate and the second flame arrester orifice plate is completely misplaced. In some embodiments, the melting temperature of the fusing post is greater than the material melting temperature of the release coating. In some embodiments, the material of the fuse post includes, but is not limited to, polytetrafluoroethylene, lead, zinc, or aluminum. In some embodiments, the apertures of the air holes of the first fire-retarding orifice plate and the second fire-retarding orifice plate are equal, the hole gaps of the first fire-retarding orifice plate and the second fire-retarding orifice plate are equal, the second fire-retarding orifice plate is concentric with the first fire-retarding orifice plate in a state that the second fire-retarding orifice plate is connected with the first fire-retarding orifice plate through the fusing post, and the size of the reserved space along the radial direction of the first fire-retarding orifice plate is larger than the aperture of the air hole and smaller than the hole gap. In some embodiments, the pores have a pore size of 0.2mm to 0.8mm and a pore gap of 1.4mm to 4.0mm. In some embodiments, the ring is a ring-like structure. In some embodiments, the existing flame arresters are corrugated flame arresters. In some embodiments, the melt blocking self-cleaning flame arrester assembly further comprises a collection bucket for mounting to the gas conduit and positioned laterally below the dust brush, the collection bucket for collecting impurities brushed down by the dust brush. In some embodiments, the collection hopper is removably connected to the collection canister. In some embodiments, a protective cover is provided outside the motor. On the basis that