POT FURNACE FOR LOW-TEMPERATURE CALCINATION OF PETROLEUM COKE

WIPO Patent Application WO/2016/037583

A1

Provided is a pot furnace for low-temperature calcination of petroleum coke. The pot furnace comprises a material pot (10), cooling water jackets (2) and flame paths (1), wherein the cooling water jackets (2) and the flame paths (1) are arranged below the material pot (10). There are eight layers of flame paths (1); an entrance of a first-layer flame path (5) is communicated with a volatile matter channel (3) on the front wall; a first-layer flame path gate (4) is arranged at the entrance of the first-layer flame path (5); an eighth-layer flame path (6) is communicated with a linkage flue (9); discharge out of the furnace body is performed through a total flue (8); a furnace bottom cooling channel (7) is arranged below the eighth-layer flame path (6). The phenomenon of overcalcination generated in producing calcined coke for a prebaked anode by using the pot furnace is avoided, the desulfuration amount of the petroleum coke during the calcination is reduced, the content of sulfur dioxide in flue gas is reduced, corrosion to silica bricks by sulfur in the petroleum coke is slowed down, and the service life of the pot furnace is prolonged.

LIU CHAODONG (CN)
ZHOU SHANHONG (CN)
XU HAIFEI (CN)
LV PAI (CN)
SUN YI (CN)
CUI YINHE (CN)

PCT/CN2015/089351

March 17, 2016

September 10, 2015

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CHINA ALUMINUM INT ENG CORP (CN)

C01B31/02; F27B14/00

CN204111322U	2015-01-21
CN101585524A	2009-11-25
CN201313819Y	2009-09-23
CN102829626A	2012-12-19
CN101792135A	2010-08-04
CN203451226U	2014-02-26
CN102976309A	2013-03-20

CHINA PATENT AGENT (H.K.) LTD. (CN)
中国专利代理(香港)有限公司 (CN)

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