Coal-firing agricultural soil hot water sterilization machine
A hot water and coal-fired technology, applied in the field of coal-fired soil hot water sterilizers, can solve the problems of high cost, high application cost, operator and air pollution, etc., and achieve soil fertility recovery, high heat utilization rate, environmental protection low pollution effect
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[0030] Such as figure 1 , figure 2 As shown, the coal-fired agricultural soil hot water disinfection machine of the present invention includes a furnace and a drum arranged outside the furnace, and the furnace is divided into a coal chamber 11 at the upper part and a fire chamber at the lower part by a negative pressure water tube type grate 10. Chamber 12, the top of the coal chamber 11 is connected with an air inlet pipe 15, the air inlet pipe 15 is connected with an external fan 16, the coal chamber 11 adds coal fuel through the coal filling port 13, and the fire chamber 12 passes through the ash outlet on one side 14 can clean up the ash produced by coal burning; the drum includes a lower water space 22 and an upper negative pressure vacuum space 21, and the negative pressure vacuum space 21 is provided with a heat exchange tube 23 communicating with the outside. The vacuum space 21 is in a vacuum state under normal conditions; there are two rows of heated tube bundles 6...
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