CN-224229344-U - Explosion venting safety valve on micro-positive pressure hot blast stove

CN224229344UCN 224229344 UCN224229344 UCN 224229344UCN-224229344-U

Abstract

The utility model provides an explosion venting safety valve on a micro-positive pressure hot blast stove. The explosion venting safety valve on the micro-positive pressure hot blast stove comprises a device main body, wherein the device main body comprises an anti-misoperation module, an exhaust module and a pressure relief module, the exhaust module is arranged at the top of the device main body, the pressure relief module comprises a driving piece fixedly arranged on the inner wall of the device main body, a reciprocating assembly capable of performing reciprocating motion is arranged at the output end of the driving piece, a guide block capable of guiding is arranged at the output end of the reciprocating assembly, a guide chute for guiding the guide block is arranged in the device main body, a transverse plate for relieving pressure is arranged in the device main body, a sealing block for sealing is arranged on the baffle plate, a fixing plate is arranged on the device main body, and a bearing is arranged on the fixing plate. The explosion venting safety valve on the micro-positive pressure hot blast stove provided by the utility model has the effect of prolonging the service life of the device.

Inventors

FENG JINSONG
SUN YIGANG
CHEN LI
WU CHUNJING

Assignees

湖北信业热能工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250520

Claims (7)

1. The utility model provides a let out on slight malleation hot-blast furnace explodes relief valve, includes the device main part, the device main part includes mistake prevention module, exhaust module and pressure release module, exhaust module installs the top at the device main part, pressure release module includes the driving piece of fixed mounting on the device main part inner wall, install the reciprocating assembly that can reciprocate on the driving piece output, be provided with the guide block that can lead on the reciprocating assembly output, set up the direction spout that leads for the guide block on the device main part, install the transverse plate that is used for the pressure release on the device main part, transverse plate lower surface installs vertical slide bar, encircle on the vertical slide bar and be provided with first elastic component, be provided with the baffle that can carry out the slip along vertical slide bar on the vertical slide bar, install the sealing block that is used for sealing on the baffle, install the fixed plate on the device main part, be provided with the bearing on the fixed plate, install the lug of supplementary pressure release on the baffle, install the pressure detector that is used for real-time detection pressure on the device main part inner wall.
2. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 1, wherein the anti-false start module comprises a buffer slide rod fixedly installed on the device main body, a second elastic piece is arranged on the buffer slide rod in a surrounding mode, a sealing base plate used for sealing is arranged at the top end of the buffer slide rod, and an annular slide block capable of sliding along the buffer slide rod is arranged on the buffer slide rod.
3. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 1, wherein the exhaust module comprises an exhaust pipe fixedly installed on the device main body, a fixing rod for fixing is installed on the inner wall of the exhaust pipe, and a connecting rod for connecting is arranged on the fixing rod.
4. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 3, wherein a flow guiding block for guiding flow is arranged at the bottom of the connecting rod, a waterproof cover plate for preventing water is arranged at the top of the connecting rod, and a dustproof filter screen for preventing dust is arranged between the exhaust pipe and the waterproof cover plate.
5. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 1, wherein a mounting bottom plate for mounting is arranged at the bottom of the device main body, and a fastener for fixing the device main body is arranged on the mounting bottom plate.
6. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 1, wherein the baffle is in sliding connection with the vertical sliding rod, the sealing block is in sliding connection with the fixing plate, and the guide block is in sliding connection with the guide sliding groove.
7. The explosion venting safety valve on the micro-positive pressure hot blast stove according to claim 2, wherein the annular sliding block is in sliding connection with the buffering sliding rod.

Description

Explosion venting safety valve on micro-positive pressure hot blast stove Technical Field The utility model relates to the technical field of safety valves, in particular to an explosion venting safety valve on a micro-positive pressure hot blast stove. Background In the industrial fields of metallurgy, chemical industry, building materials and the like, the micro-positive pressure hot blast stove is used as key heat source equipment, the internal pressure of the micro-positive pressure hot blast stove needs to be maintained in a micro-positive pressure interval of 500-5000Pa to ensure combustion efficiency, the explosion venting safety valve is used as a core safety component of the hot blast stove, and the reliability of the explosion venting safety valve is directly related to equipment and personnel safety. The traditional device adopts structures such as a spring and a sealing plate, and the structure is simple and easy to operate, but the situation of jamming is easy to occur, once jamming occurs, internal high-pressure gas cannot be discharged, the internal pressure is too high, short-term high pressure can cause the load of the internal structure of the device to be greatly increased, the device is even exploded, and the service life of the device is greatly reduced. Therefore, it is necessary to provide an explosion venting safety valve on the micro-positive pressure hot blast stove to solve the technical problems. Disclosure of utility model The utility model provides an explosion venting safety valve on a micro-positive pressure hot blast stove, which solves the problem that the safety valve cannot be normally opened under the condition that the structure of a traditional device is blocked. In order to solve the technical problems, the explosion venting safety valve on the micro-positive pressure hot blast stove comprises a device main body, wherein the device main body comprises an anti-misoperation module, an exhaust module and a pressure venting module, the exhaust module is arranged at the top of the device main body, the pressure venting module comprises a driving piece fixedly arranged on the inner wall of the device main body, a reciprocating assembly capable of conducting reciprocating motion is arranged at the output end of the driving piece, a guide block capable of conducting guide is arranged at the output end of the reciprocating assembly, a guide chute for conducting guide on the guide block is formed in the device main body, a transverse plate for pressure venting is arranged on the device main body, a vertical sliding rod is arranged on the lower surface of the transverse plate, a first elastic piece is arranged on the vertical sliding rod in a surrounding mode, a baffle plate capable of sliding along the vertical sliding rod is arranged on the vertical sliding rod, a sealing block for sealing is arranged on the baffle plate, a fixing plate is arranged on the device main body, a bearing is arranged on the fixing plate, an auxiliary projection is arranged on the baffle plate, and a pressure detector for detecting pressure in real time is arranged on the inner wall of the device main body. Preferably, the anti-false start module comprises a buffer slide bar fixedly mounted on the device main body, a second elastic piece is arranged on the buffer slide bar in a surrounding mode, a sealing base plate used for sealing is arranged at the top end of the buffer slide bar, and an annular slide block capable of sliding along the buffer slide bar is arranged on the buffer slide bar. Preferably, the exhaust module comprises an exhaust pipe fixedly installed on the device main body, a fixing rod used for fixing is installed on the inner wall of the exhaust pipe, and a connecting rod used for connecting is arranged on the fixing rod. Preferably, the bottom of connecting rod is provided with the water conservancy diversion piece that is used for the water conservancy diversion, waterproof apron that is used for waterproof is installed at the top of connecting rod, be provided with the dustproof filter screen that is used for dirt-proof between blast pipe and the waterproof apron. Preferably, a mounting base plate for mounting is provided at the bottom of the device body, and a fastener for fixing the device body is provided on the mounting base plate. Preferably, the baffle is in sliding connection with the vertical sliding rod, the sealing block is in sliding connection with the fixed plate, and the guide block is in sliding connection with the guide chute. Preferably, the annular sliding block is in sliding connection with the buffering sliding rod. Compared with the related art, the explosion venting safety valve on the micro-positive pressure hot blast stove has the following beneficial effects: The utility model provides an explosion venting safety valve on a micro-positive pressure hot blast stove, when the device is used, a pressure detector can detect the pressure inside the device, afte