Measurement injecting type proportion mixing device
A technology of proportional mixing device and proportional mixer, which is applied in mixers, dissolution, fire rescue, etc., can solve the problems of poor mixing ratio accuracy of fire fighting water, large loss of foam stock solution, and increased fire extinguishing costs, so as to achieve intuitive observation and equipment damage Low cost and easy maintenance
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[0023] see figure 1 , figure 2 , The metering injection proportional mixing device of the present invention includes a proportional mixer 1, a foam solution supply mechanism 2, a fire water pipeline 3 and a control cabinet 4. An engineering single-board computer PC and a frequency converter are installed in the control cabinet 4 .
[0024] The proportioning mixer 1 in the present invention is a pressure type proportioning mixer, and the proportioning mixer is provided with a spray pipe and a diffuser pipe, which can make the fire-fighting water and the foam stock solution entering the proportioning mixer mix rapidly and evenly.
[0025] The foam stock solution providing mechanism 2 among the present invention comprises a foam stock solution storage tank 21, a foam stock solution delivery pump 22 (two sets, one main and one standby) and corresponding connecting pipes, and the foam stock solution storage tank 21 passes through the connecting pipeline and the foam stock solutio...
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