Large boiler low-temperature flue gas purification waste heat drying bed
A technology for low-temperature flue gas and large-scale boilers, which is applied in the direction of heating to dry solid materials, hearth furnaces, and drying solid materials. It can solve the problems of low utilization rate of flue gas waste heat, unusable low-temperature flue gas, and high cost.
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[0013] The working process of the large boiler flue gas purification low-temperature waste heat drying bed of the present invention will be further explained below according to the accompanying drawings. The waste heat is transmitted to the hopper through the flue fins, and the dried material gradually reaches the drying standard through the endothermic warming and volatilization of water vapor. Then in the unloading area, the annular self-unloading device completes the unloading and enters the next step. The disc harrow above the frame plays the role of turning and stirring the material, and prevents the viscous material from agglomerating during the drying process and expands the area of the dry material. The evaporative exhaust pipe and the auxiliary cold air form a convection, which not only accelerates the heat release rate of the low-temperature flue gas, but also accelerates the evaporation of the material moisture. The sulfur dioxide in the flue gas is deposited int...
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