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Pulse pneumatic injector

A pneumatic and injector technology, which is applied in fire rescue and other fields, can solve the problems that the oil surface cannot be completely covered, the oil surface expands, and the burn is larger, and achieves the effects of small resistance, smooth injection, and short process

Inactive Publication Date: 2005-05-18
魏厚瑗 +1
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

When the foam covers most of the burning oil surface, if you continue to spray the fire extinguishing agent with the same air pressure, the foam partially covered on the oil surface will be washed away, and the burning oil surface cannot be completely covered, and even The exposed oil surface expands, causing the nearly extinguished flame to re-ignite and grow larger

Method used

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  • Pulse pneumatic injector
  • Pulse pneumatic injector
  • Pulse pneumatic injector

Examples

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Embodiment Construction

[0022] see figure 1 , a pulse air pressure injector, comprising an air storage tank; a liquid storage tank; and a multi-way combination arranged at the air inlet of the liquid storage tank for controlling the communication between the gas storage tank and the liquid storage tank valve 3. Wherein, the air storage tank is an annular cylindrical structure arranged around the liquid storage tank and the multi-way combination valve (see figure 2 ). The liquid storage cylinder is a cylindrical structure, the discharge port and the air inlet of the liquid storage cylinder are arranged at both ends of the cylindrical structure, and the multi-way combination valve 3 is arranged on the liquid storage cylinder with end of the air intake. The multi-way combined valve 3 has: a main air circuit 4 connected between the air storage tank and the liquid storage tank; a main valve 5 arranged on the main air circuit 4; the main valve 5 is controlled to open and close The control part 6; the ...

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Abstract

The invention relates to a pulse air pressure type fire water gun, comprising an air storage tank, a liquid storage tank, and a multi-way combination valve arranged at the air inlet of the liquid storage tank for controlling the communication between the air storage tank and the liquid storage tank (3); wherein the air storage tank is an annular cylindrical structure arranged around the liquid storage tank and the multi-way combination valve (3). The injector has a smooth high-pressure gas injection channel, thereby improving the injection kinetic energy and impact force of the sprayed water mist, and can adjust the air pressure of the injected gas according to the needs of the operation.

Description

technical field [0001] The invention relates to a pulse air pressure type fire-fighting water gun. Specifically, the invention proposes an improved structure for improving the efficiency of the fire-fighting water gun. Background technique [0002] In the past fire-fighting tools, in order to avoid a large amount of discharge of fire-extinguishing agent and can not be effectively utilized, and to improve the efficiency of fire-extinguishing, the fire-extinguishing gun that adopts air pressure pulse spray mode has been invented. This fire extinguishing gun, as described in the Chinese patent document CN1260219A, includes a water storage tank, an air storage tank and a multi-way valve connected with the air storage tank and the water storage tank. The multi-way valve has a main valve and a pilot valve, and the The main valve is set between the air storage tank and the water storage tank. The pilot valve is provided with two positions respectively connected to the pressurized g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62C17/00
Inventor 魏厚瑗任竞竹
Owner 魏厚瑗
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