CN2502732Y

CN2502732Y - Fire extinguisher with atomization device

Info

Publication number: CN2502732Y
Application number: CN 01254235
Authority: CN
Inventors: 蒋启众
Original assignee: WANANDA FIRE EQUIPMENT CO Ltd ZHEJIANG
Current assignee: WANANDA FIRE EQUIPMENT CO Ltd ZHEJIANG
Priority date: 2001-10-15
Filing date: 2001-10-15
Publication date: 2002-07-31
Anticipated expiration: 2011-10-15

Abstract

The utility model relates to the technical field of fire distinguishing device, which is designed to produce a simplified structure being capable of direct atomization, comprising a gas cylinder, a hydria, a connecting pipe, a nozzle, an alarm controller and a detector, etc. The air supply of the gas cylinder is connected with the connecting part over the hydria through a normal open valve, a reducer, an electromagnetic valve and the connecting pipe; meanwhile, a sport pipe net is provided with nozzles which can eject water spray; the signal output end of the detector is connected with the signal input end of the connecting controller, the signal output end of which is connected with the electromagnetic valve. The utility model is characterized in that air after going through the connecting pipe is separated into two paths, wherein, one path of air goes into the hydria and the other path of air runs to a gas phase interface on the nozzle through a gas pipe; while the water in the hydria runs to a liquid phase interface on the nozzle through a liquid pipe. The utility model has simple structure, low cost, is effective, safe and reliable, can put out fires of class A, B, C and E, has no watermark and environment pollution and is in favor of widely application to fire fighting.

Description

Fine spray extinguisher

Technical field

The utility model relates to a kind of fire-extinguishing apparatus technical field.

Background technology

Fire-extinguishing apparatus is people's industrial production instrument commonly used, relatively more commonly used is the fire distinguisher that adopts the water spray, it has simple in structure, low cost and other advantages, but people draw experience in long-time practice is used, adopt the fine mist fire-fighting better effects if, the particle diameter of at first thin water smoke is smaller, evaporation easily, can absorb a large amount of heats, play certain radiating and cooling effect, evaporation simultaneously easily, just can be rapidly, the large-area space that ties up, get rid of oxygen, flare effectively can suffocate, play necessary fire extinguishing effect, can prevent the surplus water contaminated environment effectively again, A can put out a fire to save life and property, B, C, the E fire, be adapted at multiple fire situation fire extinguishing, so someone designs a kind of new employing fine spray extinguisher, be 99121104.9 Chinese patent " fire extinguishing gas-liquid mist flow carrying method and fire plant thereof " as the patent No., its mixes the fire plant of use with liquid with calming the anger, gas, liquid is drawn respectively, and enter atomizer respectively, and calm the anger to liquid stream atomizing generation gas-liquid mist, enter mixed flow main-arm-shower nozzle again.If control device, high-pressure air source, liquid source and at least one atomizer, source of the gas and liquid source enter atomizer respectively, and the liquid source is a water storing tank, water pump, water storing tank and CO ₂Bomb, or water storage liquid bottle and CO ₂Bomb is pulverized liquid with calming the anger on a small quantity earlier low hydraulic source and to be made mist, in atomizer, pipeline and shower nozzle produce three atomizings, put out a fire with the ultra-fine liquid mist of gas.It no doubt has the progressive meaning of its description, as repeatedly atomizing, atomizing effect is relatively just better, but also brings some shortcomings, adopts atomizer as needs, structure is with regard to relative complex, cost can fall, and the market competitiveness is just little, and the particle water of atomizing is in pipeline transportation, the tendency of reunion is arranged again, influence its last particle size and result of use.

Summary of the invention

Technical problem to be solved in the utility model be provide at prior art a kind of in nozzle directly atomizing, simple in structure, fine spray extinguisher that result of use is good.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind fine spray extinguisher; it includes gas cylinder; water pot; connecting pipe; nozzle; alarm controller; detector; source of the gas is by the normally open valve door in the gas cylinder; pressure reducer removes to be connected pipe connections on the water pot with magnetic valve and connecting pipe; be distributed with simultaneously the nozzle of atomized water spray at the scene on the grid of protection zone; the output signal end of alarm detector connects the signal input part of controller; and the signal output part of controller removes to connect magnetic valve; it is characterized in that gas is divided into two-way through behind the pipe connections; one the tunnel enters in the water pot; gas phase interface on the nozzle is removed to connect by the gas phase pipe in another road, and jar interior water removes to connect the liquid phase interface of nozzle by liquid-phase tube.

Said nozzle is divided into nozzle core and nozzle carrier, in the middle of nozzle carrier, have the installation cavity that nozzle core is installed, between them for being threaded, be in contact with one another sealing ring is arranged on the face, the upper surface of nozzle core has the liquid interface, then by endoporus be communicated with mixing chamber between the nozzle carrier in the nozzle core end, nozzle bottom internal diameter at the mixing chamber place is a undergauge progressively, and the surface has hole for water spraying and is communicated with mixing chamber, upper chamber and lower chambers are arranged respectively between nozzle core outer surface and nozzle carrier, they are communicated with by middle narrow chamber, and at upper chamber's place's nozzle carrier side-wall hole gas interface that has been threaded, lower chambers distribution aperture is communicated with mixing chamber.

Compared with prior art, advantage of the present utility model is: 1 directly atomizing in nozzle, need not special-purpose atomizer and high-low pressure source of the gas, and simple in structure; 2, can prevent that the atomized water particle from further reuniting, influence its final fire extinguishing effect; 3, nozzle arrangements is reasonable in design, and atomizing effect is good, again production and assembly and use easily; 4, whole installation cost is low and result of use is good, is fit to it and promotes the use of.

Description of drawings

The structure principle chart of Fig. 1 fine spray extinguisher;

Fig. 2 nozzle arrangements cutaway view;

Fig. 3 nozzle upward view.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Anticipate as Figure 1-3; this fine spray extinguisher includes nitrogen cylinder valve 1; high pressure gauge 2; pressure reducer 3; low-pressure meter 4; safety valve 5; magnetic valve 6; release signal switch 7; water injection valve 8; pipe connections 9; water pot Pressure gauge 10; outlet water control valve 11; leaving air control valve 12; gas phase pipe 13; liquid-phase tube 14; electric hand push button 15; detector 16; nozzle 17; liquid level gauge 18; liquid level gauge control valve 19; water injection valve 20 discharges water; liquid level calibration line 21; filter 22; gas cylinder; water pot; parts such as alarm controller; the outlet of nitrogen gas cylinder is connected to pressure reducer 3 through nitrogen cylinder valve 1 and connecting pipe; before pressure reducer; high pressure gauge 2 and low-pressure meter 4 are installed on the back pipeline; and then be connected to the magnetic valve 6 of control circuit lapping switch; through the pipe connections 9 on the safety valve 5 back water receiving jars; be divided into two-way; one the tunnel enters water pot; another road connects the gas phase interface that is arranged in the online nozzle 17 of on-the-spot pipeline through leaving air control valve 12 and gas phase pipe 13; the water pot liquid outlet connects the liquid phase interface that is arranged in the online nozzle 17 of on-the-spot pipeline through outlet water control valve 11 and liquid-phase tube 14; in order to remove impurity; to prevent spray nozzle clogging; can be connected to filter 22 connecing the nozzle front; the scene, protection zone is distributed with detector 16 simultaneously; signal input part on its signal output part controller taking alarm; the signal output part of alarm controller connects magnetic valve 6; scene, protection zone or electric cabinet side also is distributed with electric hand push button 15 simultaneously; it is connected on the signal input part of alarm controller, finds that as the people fire can be used for emergency start.Release signal switch 7 on the water pot also is connected on the signal input part of alarm controller.Water pot Pressure gauge 10 and liquid level gauge 18 are installed on the water pot, and there is liquid level calibration line 21 upper end of liquid level gauge, and the lower end of liquid level gauge is by on the inlet and outlet pipe lines of liquid level gauge control valve 19 water receiving jars, and water injection valve 20 discharges water on this inlet and outlet pipe lines.Nozzle 17 is the nozzles that can spray mist water simultaneously, it is divided into nozzle core 17-1 and nozzle carrier 17-4, in the middle of nozzle carrier, have the installation cavity that nozzle core is installed, it is hollow cylindrical, couple together by being threaded between nozzle core and the nozzle carrier, and be lined with sealing ring 17-2 on the face being in contact with one another, the upper surface of nozzle core has the liquid phase interface, then by endoporus A be communicated with mixing chamber F between the nozzle carrier in the nozzle core end, nozzle bottom internal diameter at the mixing chamber place is a undergauge progressively, and the surface has hole for water spraying G and is communicated with mixing chamber, the B of upper chamber and the lower chambers E of structure are ringwise arranged respectively between nozzle core outer surface and nozzle carrier, they are communicated with by the narrow cavity C of middle loop configuration, at the upper chamber place nozzle carrier side-wall hole gas phase interface 17-3 that has been threaded, lower chambers distribution aperture D is communicated with mixing chamber.

Its operation principle is as follows, during breaking out of fire, the cigarette sense, the temperature detection device sends fire signal to alarm controller simultaneously, alarm controller sends signal of telecommunication instruction immediately, open magnetic valve, start whole device work, send alarm signal simultaneously, elevated pressure nitrogen gas in the nitrogen gas cylinder is by the nitrogen cylinder valve, pressure reducer, magnetic valve, be divided into two-way behind the pipe connections, one the tunnel enters water pot, water in the water pot passes through siphon pipe under the nitrogen pressure effect, pipe connections, the laggard entry pipe network of outlet water control valve, the release signal switch moves under the effect of delivery port hydraulic pressure simultaneously, and alarm controller shows release signal, and another road is through pipe connections, enter the tracheae net behind the leaving air control valve, press water and nitrogen are through water, be transported to nozzle behind tracheae net and the filter, put out a fire through spraying mist water after the nozzle atomization.The nozzle operation principle is such, pressure flow enters mixing chamber by endoporus in the liquid phase interface, after smashing, the inner surface of process nozzle carrier bottom upwards splashes, meanwhile, pressed gas enters the upper chamber of loop configuration by the gas phase interface, through entering annular lower chambers after the narrow chamber depressurization, goes into mixing chamber through small holes is laggard again, collide to mix with the water that smashes and form gas-liquid mixture, outwards spray superfine droplet at a high speed through hole for water spraying at last and put out a fire.

Claims

1; a kind of fine spray extinguisher; it includes gas cylinder; water pot; connecting pipe; nozzle (17); alarm controller; detector (16); source of the gas is by the normally open valve door in the gas cylinder; pressure reducer (3) removes to be connected pipe connections on the water pot (9) with magnetic valve (6) and connecting pipe; be distributed with simultaneously the nozzle (17) of atomized water spray at the scene on the grid of protection zone; the output signal end of detector connects the signal input part of alarm controller; and the signal output part of controller removes to connect magnetic valve (6); it is characterized in that being divided into two-way after gas is through pipe connections (9); one the tunnel enters in the water pot; gas phase interface on the nozzle is removed to connect by gas phase pipe (13) in another road, and jar in water remove to connect liquid phase interface on the nozzle by liquid-phase tube (14).

2, fine spray extinguisher according to claim 1, it is characterized in that described nozzle (17) is divided into nozzle core (17-1) and nozzle carrier (17-4), in the middle of nozzle carrier, have the installation cavity that nozzle core is installed, between them for being threaded, be in contact with one another sealing ring (17-2) is arranged on the face, the upper surface of nozzle core has the liquid phase interface, then by endoporus (A) be communicated with mixing chamber (F) between the nozzle carrier in the nozzle core end, nozzle bottom internal diameter at the mixing chamber place is a undergauge progressively, and the surface has hole for water spraying (G) and is communicated with mixing chamber, upper chamber (B) and lower chambers (E) are arranged respectively between nozzle core outer surface and nozzle carrier, they are communicated with by middle narrow chamber (C), at the upper chamber place nozzle carrier side-wall hole gas phase interface (17-3) that has been threaded, lower chambers distribution aperture (D) is communicated with mixing chamber.

3, fine spray extinguisher according to claim 2 is characterized in that described chamber is a loop configuration.

4, fine spray extinguisher according to claim 1 is characterized in that described alarm controller is connected with electric hand push button (15).

5, fine spray extinguisher according to claim 1 is characterized in that having on the described pipe connections (9) release signal switch (7) to remove to connect alarm controller.