Drying and gas or vapor contact with solids – Apparatus – With fluid current conveying of treated material
Patent
1994-07-28
1995-06-27
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With fluid current conveying of treated material
34282, 364477, F26B 308, F26B 310
Patent
active
054268680
ABSTRACT:
The present invention provides a method for making an external circulation fluid bed furnace which does not require a chamber for retaining heat transporting medium communicating with the down comer. According to the method of the present invention, said chamber is eliminated by properly determining the dimension of the down comer etc. According to the present invention, the ratio of the diameter of the down comer to the diameter of the riser so that the ratio (X) thereof falls in an area between two lines described as follows, in a Ws-X plane:
REFERENCES:
patent: 4103646 (1978-08-01), Yerushaimi et al.
patent: 4817540 (1989-04-01), Razbin et al.
patent: 4936770 (1990-06-01), Abdulally
Kamijo Yasuhiko
Kamimura Tosio
Morita Minoru
Okino Yasunari
Sato Yoshinobu
Bennet Henry A.
Ohri Siddharth
Tsukishima Kikai Co., Ltd.
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