CN-224220640-U - High-efficiency energy-saving flame arrester

CN224220640UCN 224220640 UCN224220640 UCN 224220640UCN-224220640-U

Abstract

The utility model discloses a high-efficient energy-saving flame arrester, include: the low-flow-resistance fluid device comprises a shell, a valve body and a valve body, wherein the shell is provided with an inlet end, an outlet end and a low-flow-resistance fluid channel which is communicated with the inlet end and the outlet end, and the inlet end and the outlet end are communicated with the low-flow-resistance channel through expansion sections; the fire-retardant core, the fire-retardant core comprises multilayer special metal buckled plate or sintering metal fiber to form micron order honeycomb passageway, the utility model relates to a fire-retardant technical field, the casing adopts low flow resistance fluid channel design, and pressure loss minimizes when the medium passes through, has effectively reduced the energy consumption, has improved the operating efficiency of system, and the fire-retardant core comprises multilayer special metal buckled plate or sintering metal fiber and constitutes micron order honeycomb passageway, when the flame invades, can cut apart single flame into thousands micro-flames to realize putting out a fire through multiple mechanisms such as heat conduction effect, free radical block and velocity of flow control, ensure system safety.

Inventors

WANG SHIHUI
ZOU QIAN
MOU YONGGUANG
ZHANG YU
LI BINGHAO
Bi Xuyang

Assignees

沈阳远大压缩机有限公司

Dates

Publication Date: 20260512
Application Date: 20250512

Claims (8)

1. A high efficiency energy saving flame arrester, comprising: The shell (1) is of a split type structure, and is provided with an inlet end, an outlet end and a low-flow-resistance fluid channel which is communicated with the inlet end and the outlet end, wherein the inlet end and the outlet end are communicated with the low-flow-resistance channel through expansion sections; the fire-retardant core (2) is formed by a plurality of layers of special metal corrugated plates or sintered metal fibers and forms a micron-sized honeycomb channel, the fire-retardant core (2) is positioned in the low-flow-resistance fluid channel and positioned at the joint of the two sections of shells (1), and the fire-retardant core (2) is in a revolving body structure and is coaxially arranged with the low-flow-resistance fluid channel; the sealing assembly (3) is a high-temperature graphite gasket or a metal winding gasket, and the sealing assembly (3) is positioned at the joint of the shell (1) and the fire-retarding core (2) and is abutted against the shell and the fire-retarding core.
2. The high-efficiency energy-saving flame arrester as claimed in claim 1, wherein the two sections of the shell (1) are connected through a plurality of bolts (4) and nuts (5), and the bolts (4) and nuts (5) are distributed around the shell (1) in an annular array.
3. A flame arrester according to claim 1, characterized in that a self-cleaning structure is provided in the housing (1) on the side close to the inlet end.
4. A high efficiency energy saving flame arrestor as defined in claim 3, characterized in that the self-cleaning structure is a dust screen.
5. A flame arrester according to claim 1, characterized in that the housing (1) is integrated with a temperature sensor interface and a pressure sensor interface.
6. The high-efficiency energy-saving flame arrester as claimed in any one of claims 1 to 5, wherein the shell (1) is made of corrosion-resistant alloy or carbon steel.
7. The energy-efficient flame arrester of any of claims 1-5, wherein the flame arrester core (2) is 316L stainless steel or hastelloy.
8. A high efficiency energy saving flame arrestor as defined in claim 1, characterized in that the inlet and outlet ends are provided with threaded interfaces or connection flanges.

Description

High-efficiency energy-saving flame arrester Technical Field The utility model relates to the technical field of flame arresters, in particular to a high-efficiency energy-saving flame arrestor. Background In the high-risk industries such as petrochemical industry, natural gas, coal mine and the like, the flame arresters are key equipment for guaranteeing safe production and are used for preventing flame propagation and avoiding fire and explosion accidents, however, the traditional flame arresters have a plurality of defects in practical application, namely firstly, the traditional flame arresters mainly adopt simple structures such as metal nets and corrugated plates, the flame arresters are limited in flame arrestor efficiency and difficult to effectively prevent high-speed flame propagation, secondly, the pressure loss is large when the structural design is unreasonable and the system operation efficiency is influenced, in addition, the traditional flame arresters are designed aiming at specific working conditions and difficult to adapt to complex and changeable medium, pressure and flow conditions, and finally, the traditional flame arresters are easy to block and corrode, and are high and frequent in maintenance cost, and the problems seriously restrict the performance and the application range of the flame arresters. Therefore, there is a need for a flame arrestor technology that is efficient, energy efficient, has a wide range of applications, and is low in maintenance costs, to meet the higher requirements of the modern industry for safety and economy. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a high-efficiency energy-saving flame arrester which is used for solving the problems in the background art. In order to achieve the purpose, the utility model is realized by the following technical scheme that the high-efficiency energy-saving flame arrester comprises: The shell adopts a split structure and is provided with an inlet end, an outlet end and a low-flow-resistance fluid channel communicated with the inlet end and the outlet end, wherein the inlet end and the outlet end are communicated with the low-flow-resistance channel through expansion sections; The fire-retardant core is formed by a plurality of layers of special metal corrugated plates or sintered metal fibers and forms a micron-sized honeycomb-shaped channel, is positioned in the low-flow-resistance fluid channel and at the joint of the two sections of shells, and is in a revolving structure and is coaxially arranged with the low-flow-resistance fluid channel; the sealing assembly is a high-temperature graphite gasket or a metal winding gasket and is positioned at the joint of the shell and the fire-retarding core and is abutted against the shell and the fire-retarding core. Preferably, the two sections of the shell are connected through a plurality of bolts and nuts, and the bolts are distributed around the shell in an annular array shape. Preferably, a self-cleaning structure is arranged in the housing and on the side close to the inlet end. Preferably, the self-cleaning structure is a dust screen. Preferably, the housing is integrated with a temperature sensor interface and a pressure sensor interface. Preferably, the shell is made of corrosion-resistant alloy or carbon steel. Preferably, the fire-retardant core is made of 316L stainless steel or hastelloy. Preferably, the inlet end and the outlet end are provided with threaded interfaces or connection flanges. Advantageous effects The utility model provides a high-efficiency energy-saving flame arrester, which has the following beneficial effects: The shell adopts a low-flow resistance fluid channel design, so that the pressure loss is minimized when a medium passes through, the energy consumption is effectively reduced, the operation efficiency of the system is improved, the fire-retarding core is a micron-sized honeycomb channel formed by a plurality of layers of special metal corrugated plates or sintered metal fibers, when flame invades, a single flame can be divided into thousands of micro flames, and fire extinguishment is realized through various mechanisms such as heat conduction effect, free radical blocking and flow rate control, and the safety of the system is ensured; the sealing assembly adopts a high-temperature graphite gasket or a metal winding gasket, combines a dynamic sealing technology, ensures no leakage in long-term use, avoids medium waste and safety accidents, and can prevent particles from blocking a fire-retarding core by arranging a self-cleaning structure in the shell close to the inlet end, thereby reducing maintenance workload and prolonging the service life of the fire-retarding device; the two sections of shells are connected through bolts and nuts, the fire-retarding core module is in modular design, so that the fire-retarding core module is convenient to detach and install quickly, can be inspected