Low-temperature carbonization/combustion process and low-tempera

Details Low-temperature carbonization/combustion process and low-tempera Low-temperature carbonization/combustion process and low-tempera

1993-10-12

1996-03-12

Okonsky, David A.

Furnaces

Process

Treating fuel constituent or combustion product

48111, 48209, 110345, 110189, 110216, C10B 5302, F23G 5027

Patent

active

054977126

ABSTRACT:
A low-temperature carbonization/combustion process is carried out in a low-temperature carbonization/combustion plant with pressure control that includes a pyrolysis drum to which waste is delivered. Low-temperature carbonization gas generated there is passed to a combustion chamber. Flue gas produced there is fed through a cooling device and a gas compressor to a stack. With the aid of a control device, the speed of rotation of the gas compressor is controlled in relation to the pressure in the gas path between the pyrolysis drum and the gas compressor in such a way that when the pressure decreases, the speed of rotation is decreased. Preferably, an additional gas compressor is connected in series with the gas compressor and the speed of rotation of the additional gas compressor is appropriately controlled. An additional pyrolysis drum can also be provided.

REFERENCES:
patent: 4677357 (1987-06-01), Spence et al.
patent: 5029535 (1991-07-01), Krigmont et al.
patent: 5035188 (1991-07-01), Johnson et al.
patent: 5255616 (1993-10-01), Wintrich et al.
Patent Abstract of Japan No. JP 2-52926 (Yoshiyuki Hanada), Feb. 22, 1990.

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