Two-section high-temperature fluidized bed roasting furnace for waste casting sand
A high-temperature fluidized bed, two-stage technology, applied in the field of roasting furnaces, can solve the problems of not being able to adapt to the regeneration of mixed waste (core) sand thermal methods, and achieve the convenience of single-process layout, improve thermal efficiency, and occupy an area of equipment small area effect
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[0010] The present invention will be further described below in conjunction with specific drawings.
[0011] like figure 1 As shown: the waste sand two-stage high-temperature fluidized bed roasting furnace includes a sand inlet channel 1, a smoke exhaust channel 2, an air heat exchanger 3, a section of sand lower pipe 4, a section of fluidization chamber 5, a section of fluidization nozzle 6, One-stage high-pressure burner 7, one-stage high-pressure combustion chamber 8, second-stage burner 9, second-stage fluidization chamber 10, second-stage air preheating chamber 11, second-stage gas collection chamber 12, second-stage sand outlet pipe 13, sand outlet valve 14. Sand outlet 15, sand collecting bucket 16, fluidizing air inlet 17, second-stage temperature detector 18, first-stage temperature detector 19, etc.
[0012] like figure 1 As shown, the present invention includes a first-stage fluidization chamber 5, a first-stage high-pressure combustion chamber 8, a second-stage f...
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