CN-121987992-A - Grading composite fire-fighting device of totally-enclosed pressure-resistant coal feeder

CN121987992ACN 121987992 ACN121987992 ACN 121987992ACN-121987992-A

Abstract

The application provides a grading composite fire-fighting fire extinguishing device of a totally-enclosed pressure-resistant coal feeder, which relates to the field of fire-fighting of the coal feeder and comprises a coal feeder shell, wherein the coal feeder shell comprises a top plate arranged at the top end of the coal feeder shell, a plurality of monitoring modules are arranged at equal intervals on the bottom end of the top plate and the top end inside the coal feeder shell, a plurality of steam spraying assemblies are arranged at equal intervals on the bottom end of the coal feeder shell, a plurality of emergency fire extinguishing assemblies are arranged on the bottom end of the top plate and the top end inside the coal feeder shell, a plurality of spraying assemblies are arranged on the bottom end of the coal feeder shell and the top end inside the coal feeder shell, and a connecting assembly is arranged inside the spraying assemblies. According to the application, through the arranged monitoring module, carbon monoxide detection, temperature detection and thermal imaging detection are realized through the detection module, and responses are respectively made at different temperatures, so that corresponding protection actions can be taken for the early stage, the middle stage and the later stage of the fire, and the safety and the reliability of the device are improved.

Inventors

QIN JUNYI
WANG KAI
XIN YUNFENG
Shang Yijing
LI JILIANG
WU XIAOMING
LI BIN
LI CHUANG
YANG SHUO
ZHANG JIANJUN
CHEN LEI
WANG HONGBIN
LI HENGLIANG

Assignees

华电潍坊发电有限公司

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (10)

1. The utility model provides a hierarchical compound fire control extinguishing device of totally closed withstand voltage feeder, its characterized in that, including feeder shell (1), all install control valve (12) on the discharge gate and the feed inlet of feeder shell (1), feeder shell (1) are including installing roof (11) on feeder shell (1) top, and the bottom of roof (11) and the inside top of feeder shell (1) all equidistance are equipped with a plurality of monitoring module (2), the bottom equidistance of feeder shell (1) is equipped with a plurality of steam blowout subassembly (3), the bottom of roof (11) and the inside top of feeder shell (1) all are equipped with a plurality of emergent subassembly (4) that put out a fire, the inside top of feeder shell (1) is equipped with a plurality of subassembly (5) that spray, the position of monitoring module (2), emergent subassembly (4) and subassembly (5) that put out a fire staggers, the inside of subassembly (5) is equipped with coupling assembling (6), the bottom of coupling assembling (6) is equipped with drive assembly (7), the outside of subassembly (5) that sprays (8) is equipped with, after the outside of subassembly (9) that sprays.
2. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 1, wherein the monitoring module (2) comprises an infrared thermal imaging probe (21), one side of the infrared thermal imaging probe (21) is provided with an optical fiber temperature measurement sensor (22), the other side of the infrared thermal imaging probe (21) is provided with a carbon monoxide sensor (23), the outside of a coal feeder shell (1) is provided with a PLC controller, and three-level response thresholds are pre-stored.
3. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 2, wherein the steam spraying component (3) comprises a steam conveying pipe (32), the steam conveying pipe (32) is fixed at the bottom end of the coal feeder shell (1), a steam spray head (31) fixedly connected with the bottom end inside the coal feeder shell (1) is arranged above the steam conveying pipe (32), the top end of the steam conveying pipe (32) penetrates through the coal feeder shell (1) and is fixedly connected with the steam spray head (31), and the nozzle of the steam spray head (31) is fan-shaped.
4. A graded composite fire extinguishing device of a totally enclosed pressure-resistant coal feeder according to claim 3, characterized in that the emergency fire extinguishing assembly (4) comprises a fixed nozzle (41), the top end of the fixed nozzle (41) is provided with a mounting pipe (42), the outside of the coal feeder housing (1) is provided with a perfluorinated hexanone storage tank, and the mounting pipe (42) is connected with the perfluorinated hexanone storage tank.
5. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 1 or 4, wherein the spraying component (5) comprises a connecting pipe (51), a mounting cylinder (52) is fixedly arranged at the bottom end of the connecting pipe (51), the connecting component (6) is positioned at the bottom end of the mounting cylinder (52), and a spraying nozzle (53) is arranged at the bottom end of the connecting component (6).
6. The grading composite fire extinguishing device of a totally enclosed pressure-resistant coal feeder according to claim 5, characterized in that the connection assembly (6) comprises a connection hose (61) fixed between a mounting cylinder (52) and a spray nozzle (53).
7. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 6, wherein the transmission assembly (7) comprises a transmission plate (71), the transmission plate (71) is obliquely arranged in the spray nozzle (53), a plurality of communication grooves are formed in the transmission plate (71), transmission rods (72) are fixedly arranged on two sides of the transmission plate (71), the end parts of the transmission rods (72) penetrate through the spray nozzle (53) and extend to the outer part of the spray nozzle (53), a blocking block (74) is fixedly arranged at the rear end of the inner part of the spray nozzle (53), and the blocking block (74) is located at the top end of the transmission plate (71).
8. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 7, wherein the swinging component (8) comprises a swinging rod (81) fixed at the end part of the transmission rod (72), the swinging rod (81) is made of soft rubber, a fixed column (82) is fixed at the bottom end of the swinging rod (81), weight plates (83) are fixed at the front end and the rear end of the fixed column (82), and inclined planes are formed at two sides of the weight plates (83) far away from one end of the fixed column (82).
9. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 8, wherein the elastic assembly (9) comprises an elastic pull rope (91), the elastic pull rope (91) is fixed at the rear end of the spray nozzle (53), and the end part of the elastic pull rope (91) is positioned behind the spray nozzle (53).
10. The grading composite fire extinguishing device of the totally-enclosed pressure-resistant coal feeder according to claim 9, wherein connecting rods (62) are rotatably arranged on two sides of the mounting cylinder (52), the end parts of the connecting rods (62) are rotatably connected to the outer parts of the transmission rods (72), a blocking disc (73) is arranged on one side, away from the spray nozzle (53), of the connecting rods (62), and the blocking disc (73) is fixed to the outer parts of the transmission plates (71).

Description

Grading composite fire-fighting device of totally-enclosed pressure-resistant coal feeder Technical Field The invention relates to the field of fire extinguishment of coal feeders, in particular to a grading compound fire extinguishing device of a totally-enclosed pressure-resistant coal feeder. Background In recent years, the coal feeder frequently generates an internal overtemperature spontaneous combustion phenomenon, and the cause analysis mainly comprises factors in aspects of abnormal coal characteristics, equipment part faults, improper operation and maintenance and the like. The internal overtemperature spontaneous combustion of the totally-enclosed pressure-resistant weighing type metering coal feeder is essentially contradiction between ' oxidization and heat release of coal and ' incapability of diffusing heat of enclosed space ', and the condition of ' continuous oxygen supply ' is superposed. The abnormal characteristics of the coal are the basis, the equipment component faults are direct ignition sources, the improper operation and maintenance are risk amplifiers, the external environment is auxiliary inducement, and the four are combined to cause the occurrence of over-temperature spontaneous combustion accidents; It is known that the existing fire-fighting technique of the same type coal feeder has the defects that the traditional device lacks a fire early-stage early-warning mechanism, is started only in an open fire stage, misses the optimal fire control time, and is easy to misjudge due to dust coverage due to the fact that the traditional steam fire-fighting device depends on a single temperature sensor. For example, the utility model patent (application number: 201922323907.2) discloses a coal feeder system with an automatic fire-fighting device, and the specification discloses that the coal feeder system comprises a coal feeder, a temperature sensor, a smoke probe, a fire-fighting alarm host, an alarm and a fire-fighting device, wherein the coal feeder comprises a coal feeder shell, a belt and rollers, the temperature sensor is arranged at the upper part of the outer surface of the coal feeder shell, the smoke probe is arranged at the top of the inner surface of the coal feeder, the fire-fighting device comprises a fire-fighting spray nozzle, a connecting conduit and a pressure tank, the fire-fighting spray nozzle is arranged in the coal feeder shell and is connected with the pressure tank through the connecting conduit, a protective baffle is arranged at the inner side of the fire-fighting spray nozzle, an air extracting opening is formed in the top of the coal feeder shell, the air extracting opening is connected with an air extracting pump, and the fire-fighting alarm host is respectively connected with the temperature sensor, the smoke probe, the alarm and the air extracting pump. The utility model is suitable for automatic fire extinguishing of a coal feeder system, and the defects of the prior art can be demonstrated by the patent. Therefore, the device is improved, and a grading compound fire-fighting device of the totally-enclosed pressure-resistant coal feeder is provided. Disclosure of Invention The invention aims to solve the problems that the prior device lacks a fire early-stage early-warning mechanism and is easy to misjudge. In order to achieve the aim of the invention, the invention provides a grading composite fire-fighting device of a fully-closed pressure-resistant coal feeder, so as to solve the problems. The application is specifically as follows: The utility model provides a hierarchical compound fire control extinguishing device of totally closed withstand voltage feeder, includes the feeder shell, all install the control valve on the discharge gate and the feed inlet of feeder shell, the feeder shell is including installing the roof on feeder shell top, and the bottom of roof and the inside top of feeder shell are equidistant to be equipped with a plurality of monitoring module, the bottom equidistance of feeder shell is equipped with a plurality of steam blowout subassembly, the bottom of roof and the inside top of feeder shell all are equipped with a plurality of emergent subassembly of putting out a fire, the bottom of feeder shell and the inside top of feeder shell are equipped with a plurality of and spray the subassembly, the position of monitoring module, emergent subassembly of putting out a fire and spraying the subassembly staggers, the inside of spraying the subassembly is equipped with coupling assembling, coupling assembling's bottom is equipped with drive assembly, the outside of spraying the subassembly is equipped with swing subassembly, the rear end of spraying the subassembly is equipped with elastic component. As a preferable technical scheme of the application, the monitoring module comprises an infrared thermal imaging probe, one side of the infrared thermal imaging probe is provided with an optical fiber temperature sensor, the other side o