The coal powder heats a system craft brief introduction

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The blast furnace coal gas burns a stove creation of heat smoke spirit and hot breeze stove emissions of parts of smoke spirit mixture behind flow through system cold the spirit carrying several smokes change hot machine.After putting heat to reduce the heat and hot the parts of smoke of the breeze stove rest spirit the mixture get into to whet the coal machine heating coal powder to anticipate and carry on whetting coal.Then, about 70 ℃ of the mixture of coal powder and smoke spirit grating get into to accept powder in addition to the dust machine carries on in addition to dust.After, coal powder by leaf round to anticipate machine and pass coal powder the Shai get into coal powder Cang, it will be transported by the compressed air into several coal powders to change hot machine absorb calories, absorb heat coal powder after heating through spray to blow a bottle to spray into a blast furnace.Accepts powder in addition to about 50 ℃ smoke spirits of dust machine through lead breeze machine emissions to put to get empty.Getting into the average diameter of coal powder grain that the coal powde r changes a hot machine is 0 · 070 mms, less than 0 · 080 mms of the biggest grain diameter, contain water to lead 0 · 5%~0 · is 6%.The work pressure of compressed air is 0 · 6 MPas.Coal powder and the mixture of compressed air the temperature before heating is about 40 ℃ , coal powder actual exit after heating the temperature is about 110 ℃ .
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