News Center

Industry News

Company News

Home page

Working principle of mobile foam truck

2021-10-18

visits：

Mobile foam truck and PY mobile (truck) foam fire extinguishing device are portable and flexible wheeled fire extinguishing equipment. It adopts PHF pipeline (negative pressure) proportional mixer, which can form low, medium and high expansion foam fire extinguishing system with foam gun and foam generator. When the pressure water passes through the mixer, the water is mixed with foam liquid in a certain proportion, and foam is sprayed through the foam gun and foam generator to extinguish the fire. It is composed of cart, atmospheric foam tank, negative pressure proportioner, spraying equipment, water hose, safety valve, control valve and some auxiliary parts.
working principle
When the mobile foam fire extinguishing device extinguishes the fire, the pipe tooth interfaces at both ends of the pipeline proportional mixer are connected with the fire hose, and the pressure water source is connected. When there is water with a pressure of not less than 0.6MPa flowing through the nozzle of the proportional mixer at a high speed, due to the diffusion effect of the transverse movement of jet particles, a vacuum (negative pressure) is formed in the chamber of the proportional mixer, So the foam liquid in the foam liquid storage tank enters the mixer through the suction pipe under the effect of atmospheric pressure, mixes with the pressure water to reach a certain proportion of the mixed liquid, and sprays foam through the foam gun and foam generator to extinguish the fire.

移动式泡沫车技术参数

1：比例混合器额定进口压力：0.5-1.0Mpa

2：泡沫混合液额定流量：8或6L/s

3：混合比例：3或6%

4：进出口：KY65内扣式管牙接口

5：泡沫液容量：根据用户要求，一般从100L-1000L不等

6：建议配置：消防水带（65型*20M长）2根，PQ泡沫枪1支

Next -

What is the purpose of the data measured by the online smoke monitoring system?

Back