High power inhibition foam for preventing and controlling coal self-ignition and generating device thereof
A foam generating device and coal spontaneous combustion technology, applied in safety devices, dust prevention, fire prevention, etc., can solve problems such as unsuitable for coal spontaneous combustion prevention, high cost, difficult to stay, etc., to achieve economical and efficient coal spontaneous combustion, prevention of coal spontaneous combustion, The effect of good fluidity
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[0016] The preparation examples of the present invention will be further described below with reference to the accompanying drawings: as shown in Figure 1, the high-power foam generating device for preventing spontaneous combustion of coal provided by the present invention has a suction pipe 2, a venturi pipe 6, and a mixer. 9. Foamer 10 and bubble equalizer 11. The mixer 9 is a jet-type negative pressure mixer. The inlet end of the mixer 9 is connected to the pressure air pipe 7, and the outlet end is connected to the foamer 10; the foamer 10 is an inclined baffle vortex foamer through which the foamer 10 passes The bubble equalizer 11 is connected with the foam outlet pipe 12; the inlet end of the venturi pipe 6 is connected with the pressure water flow pipe 4, and the outlet end is connected with the throat of the mixer 9 through a bypass pipe; one end of the suction pipe 2 extends into the original liquid tank 1 , The other end is connected to the throat of the Venturi tube 6....
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