Nitrogen closed cycle drying and solvent recovery system
A closed-circuit circulation and recovery system technology, applied in the direction of drying solid materials, drying gas arrangement, heating to dry solid materials, etc., can solve the problem of limited solvent collection, etc., and achieve environmental protection, stable air pressure, and good fluidized drying effect Effect
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[0039] Example 1
[0040] figure 1 As shown, this embodiment has a fluidized bed dryer 1, a condensing device 2, a solid-gas separator 3, a circulating fan 4, a nitrogen heater 5, a solvent recovery tank 6, a material-sealed screw feeder 7, and a nitrogen supply pipe 8. , Cooling liquid supply pipe 9, steam supply pipe 10.
[0041] The air outlet of the fluidized bed dryer 1 is connected to the air inlet of the condensing device 2 through a pipe, and the air outlet of the condensing device 2 is connected to the solid-gas separator 3 through a pipe. The outlet of the solid-gas separator 3 The tuyere is connected to the circulation fan 4 through the circulation pipe 11, the wind output by the circulation fan 4 is sent to the nitrogen heater 5 through the pipe for heating, and the heated nitrogen is sent to the dryer 1 through the pipe. The circulating pipe 11 connecting the solid-gas separator 3 and the circulating fan 4 is provided with a manual butterfly valve 13 and a vent port, ...
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