Sludge harrow type drying method and device
A rake drying and sludge technology, applied in the direction of dewatering/drying/concentrating sludge treatment, can solve the problems of low thermal efficiency and low productivity, improve heat utilization rate, improve production capacity, and avoid sticking and agglomeration. Effect
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[0021] The structure of the sludge rake drying device is that a left bearing seat 1 and a right bearing seat 8 are respectively provided at both ends of the dryer housing 3, the rotating shaft 4 is located in the dryer housing 3, and the two ends are respectively arranged on the left bearing In the seat 1 and the right bearing seat 8; the part of the rotating shaft 4 located at one end of the right bearing seat 8 is connected to the output end of the reducer 9, and the input end of the reducer 9 is connected to the motor 12 through a coupling 11; at one end of the dryer housing 3 A drying medium inlet 6 and a sludge inlet 7 are arranged on the peripheral wall, a drying medium outlet 2 is arranged on the peripheral wall at one end of the dryer housing 3, a built-in gas-solid separator 10 is provided at the lower part of the drying medium outlet 2, and a Rake teeth 5 are arranged on the wall.
[0022] The drying heat medium enters the sludge rake dryer tangentially from the inle...
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