Cabinet type superfine dry powder fire extinguishing device for coal mine

Abstract

The utility model relates to a cabinet type superfine dry powder fire extinguishing device for a coal mine, which belongs to the technical field of fire extinguishing equipment and particularly comprises a steel cylinder filled with high-pressure nitrogen and a superfine dry powder fire extinguishing agent, the steel cylinder is mounted in a cabinet body through a fixing component, and a container valve is mounted at a top outlet of the steel cylinder. A container valve is installed in the cabinet body, an explosion-proof electromagnet is installed on the container valve, the explosion-proof electromagnet is connected with the control end of the container valve, a pressure gauge and a mining intrinsic safety type pressure sensor are further installed on the container valve, a connecting pipe is installed at the outlet end of the container valve, and the connecting pipe extends to the outer side of the top of the cabinet body through a positioning assembly. The coal mine spraying device has the advantages that the structure is simple, the use is convenient, and the coal mine spraying device can be suitable for being used in coal mines.

Description

Technical Field

[0001] The utility model relates to a cabinet-type ultra-fine dry powder fire extinguishing device for coal mines, belonging to the technical field of fire extinguishing equipment. Background Art

[0002] Ultrafine dry powder is a new type of environmentally friendly and efficient fire extinguishing agent newly developed in recent years. Due to its good environmental performance, high fire extinguishing efficiency, fast fire extinguishing speed, strong environmental adaptability and other advantages, it has attracted more and more attention. Ultrafine dry powder fire extinguishing device can be used for full flooding fire extinguishing in closed spaces, and can also be used for local fire extinguishing in open spaces. At present, the design of the existing cabinet-type ultrafine dry powder fire extinguishing device does not meet the explosion-proof requirements of coal mines and cannot be used in coal mines. Utility Model Content

[0003] In order to solve the technical problems existing in the prior art, the utility model provides a cabinet-type ultra-fine dry powder fire extinguishing device for coal mines which has a simple structure, is easy to use and can be suitable for use in coal mines.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is a cabinet-type ultra-fine dry powder fire extinguishing device for coal mines, including a steel cylinder filled with high-pressure nitrogen and ultra-fine dry powder fire extinguishing agent, the steel cylinder is installed in the cabinet through a fixing assembly, a container valve is installed at the top outlet of the steel cylinder, a flameproof electromagnet is installed on the container valve, the flameproof electromagnet is connected to the control end of the container valve, a pressure gauge and a mine intrinsically safe pressure sensor are also installed on the container valve, a connecting pipe is installed at the outlet end of the container valve, the connecting pipe extends to the top outside of the cabinet through a positioning assembly, and a nozzle is installed on the top of the connecting pipe.

[0005] Preferably, the connecting pipe is a seamless steel pipe, and both ends of the connecting pipe are connected to the nozzle and the container valve through elbows respectively.

[0006] Preferably, the positioning assembly includes two reinforcing beams fixed on the top of the cabinet and a positioning sleeve installed between the reinforcing beams, the connecting pipe is located in the positioning sleeve, a fixing sleeve is installed on the connecting pipe, the fixing sleeve is installed in the positioning sleeve, a buffer rubber sleeve is arranged between the fixing sleeve and the positioning sleeve, an annular baffle is also installed at the bottom of the fixing sleeve, and slots are arranged on both sides of the annular baffle, a U-shaped clip is fixed on the reinforcing beam by screws, the U-shaped clip is clamped in the slot, and an armrest plate is arranged on the U-shaped clip.

[0007] Preferably, the fixing assembly includes connecting screws fixed to the fixing seat and installed on both sides of the fixing seat, the steel cylinder is placed on the fixing seat and located between the connecting screws, and a clamp is installed on the outside of the steel cylinder, and both ends of the clamp are fixed on the connecting screws.

[0008] Compared with the prior art, the utility model has the following technical effects: the utility model has a simple structure and a reasonable design. It adopts the method of filling high-pressure nitrogen and ultrafine dry powder in a steel cylinder, installing a container valve on the top of the steel cylinder, and driving it through a flameproof electromagnet, which can meet the use requirements of explosion-proof gas environment in underground coal mines; at the same time, the connecting pipe of the steel cylinder adopts a seamless steel pipe and is fixed to the cabinet through a positioning assembly, which can ensure that the connecting pipe is reliably fixed and can be firmly fixed in the complex environment underground, avoiding accidental collision and causing damage to the valve body in the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 It is a side view of the utility model.

[0011] Figure 3 It is a structural schematic diagram of the positioning component in the utility model. DETAILED DESCRIPTION

[0012] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0013] like Figures 1 to 3 As shown, a cabinet-type ultrafine dry powder fire extinguishing device for coal mines includes a steel cylinder 1 filled with high-pressure nitrogen and ultrafine dry powder fire extinguishing agent, the steel cylinder 1 is installed in a cabinet 2 through a fixing assembly, a container valve 3 is installed at the top outlet of the steel cylinder 1, a flameproof electromagnet 4 is installed on the container valve 3, the flameproof electromagnet 4 is connected to the control end of the container valve 3, a pressure gauge 5 and a mine intrinsically safe pressure sensor 6 are also installed on the container valve 3, a connecting pipe 7 is installed at the outlet end of the container valve 3, the connecting pipe 7 extends to the top outside of the cabinet 2 through a positioning assembly, and a nozzle 8 is installed on the top of the connecting pipe 7.

[0014] The utility model adopts the method of filling high-pressure nitrogen and ultra-fine dry powder in a steel cylinder 1, installing a container valve 3 that can be controlled by a flameproof electromagnet 4 on the steel cylinder 1, and then using a connecting pipe 7 and a nozzle 8 to spray the ultra-fine powder fire extinguishing agent. When the flameproof electromagnet 4 is powered on, the container valve 3 is driven to open, and the ultra-fine dry powder fire extinguishing agent in the container steel cylinder is released under the drive of high-pressure nitrogen. The mine intrinsically safe pressure sensor 6 and the pressure gauge 5 are used to monitor the pressure changes in the container steel cylinder.

[0015] The steel cylinder 1 is fixed to the cabinet 2 through a fixing assembly, which includes a fixing seat 18 and connecting screws 19 installed on both sides of the fixing seat. The steel cylinder 1 is placed on the fixing seat 18 and is located between the connecting screws 19. A clamp 20 is installed on the outside of the steel cylinder 1, and both ends of the clamp 20 are fixed to the connecting screws 19.

[0016] This can ensure that the cylinder is fixed reliably and firmly, and is also easy to disassemble.

[0017] The connecting pipe 7 is a seamless steel pipe, and the two ends of the connecting pipe 7 are respectively connected to the nozzle 8 and the container valve 3 through elbows 9. The seamless steel pipe is fixed to the top of the cabinet through a positioning assembly, which can avoid collisions caused by complex underground environments and damage to the valve body.

[0018] The positioning assembly includes two reinforcing beams 10 fixed on the top of the cabinet and a positioning sleeve 11 installed between the reinforcing beams 10. The connecting pipe 7 is located in the positioning sleeve 11. A fixed sleeve 12 is installed on the connecting pipe 11. The fixed sleeve 12 is installed in the positioning sleeve 11. A buffer rubber sleeve 13 is arranged between the fixed sleeve 12 and the positioning sleeve 11. An annular baffle 14 is also installed at the bottom of the fixed sleeve 12. A card slot 15 is arranged on both sides of the annular baffle 14. A U-shaped card plate 16 is fixed on the reinforcing beam 10 by screws. The U-shaped card plate 16 is stuck in the card slot 15, and a handrail plate 17 is arranged on the U-shaped card plate 16. The positioning assembly adopts a card-mounted design. The fixed sleeve 12 and the positioning sleeve 11 are used to position and fix the connecting pipe, and then the fixed sleeve 12 is positioned and fixed by the U-shaped card plate 16 and screws to achieve locking in four directions. It is easy to fix and can also prevent the damage to the valve body caused by the collision and swing of the connecting pipe. It is also convenient to disassemble and assemble.

[0019] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims

1. A cabinet-type ultra-fine dry powder fire extinguishing device for coal mines, comprising a steel cylinder filled with high-pressure nitrogen and ultra-fine dry powder fire extinguishing agent, characterized in that: The steel cylinder is installed in the cabinet through a fixing assembly, a container valve is installed at the top outlet of the steel cylinder, a flameproof electromagnet is installed on the container valve, the flameproof electromagnet is connected to the control end of the container valve, a pressure gauge and a mining intrinsically safe pressure sensor are also installed on the container valve, a connecting pipe is installed at the outlet end of the container valve, the connecting pipe extends to the top outside of the cabinet through a positioning assembly, and a nozzle is installed on the top of the connecting pipe.

2. A cabinet-type ultrafine dry powder fire extinguishing device for coal mines according to claim 1, characterized in that: The connecting pipe is a seamless steel pipe, and both ends of the connecting pipe are connected to the spray head and the container valve through elbows respectively.

3. The cabinet-type ultrafine dry powder fire extinguishing device for coal mines according to claim 1 is characterized in that: The positioning assembly includes two reinforcing beams fixed on the top of the cabinet and a positioning sleeve installed between the reinforcing beams, the connecting pipe is located in the positioning sleeve, a fixing sleeve is installed on the connecting pipe, the fixing sleeve is installed in the positioning sleeve, a buffer rubber sleeve is arranged between the fixing sleeve and the positioning sleeve, an annular baffle is also installed at the bottom of the fixing sleeve, and slots are arranged on both sides of the annular baffle, a U-shaped clip is fixed on the reinforcing beam by screws, the U-shaped clip is clamped in the slot, and an armrest is arranged on the U-shaped clip.

4. The cabinet-type ultrafine dry powder fire extinguishing device for coal mines according to claim 1 is characterized in that: The fixing assembly includes connecting screws fixed to a fixing seat and installed on both sides of the fixing seat. The steel cylinder is placed on the fixing seat and located between the connecting screws. A clamp is installed on the outer side of the steel cylinder, and both ends of the clamp are fixed on the connecting screws.

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