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Title:
PREHEATING AND CONVEYING EQUIPMENT FOR STEEL SCRAP
Document Type and Number:
WIPO Patent Application WO/2011/091685
Kind Code:
A1
Abstract:
A preheating and conveying equipment for steel scrap comprises a steel scrap conveying chute (1) inclined to the horizontal plane. The upper end of the conveying chute (1) is provided with a charging device, and the lower end extends into an electric furnace (A) via an open at the side wall of the electric furnace (A). The upper part of the conveying chute (1) is provided with a seal hood (2) which together with the conveying chute (1) constitutes a channel for the steel scrap and flue gas. The bottom of the conveying chute (1) is an overlapping construction of stairs, and the joining gap between two adjacent stairs is a bottom gas-suction vent (3) inclined downward. By conveying steel scrap through the chute (1), the conveying equipment obtains conveying power from the self- weight of the steel scrap, thereby lower energy consumption and less abrasion are achieved. By sucking and discharging the high temperature flue gas from the bottom, the flue gas is made to pass through the layer of the steel scrap, thereby heat exchange efficiency is improved. In addition, by charging continuously, the volume of the equipment is effectively reduced.

Inventors:
HUANG, Qiming (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
黄其明 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
YANG, Ningchuan (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
杨宁川 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
XU, Jie (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
徐杰 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
LIAO, Yuan (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
Application Number:
CN2010/079293
Publication Date:
August 04, 2011
Filing Date:
November 30, 2010
Export Citation:
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Assignee:
CISDI ENGINEERING CO., LTD (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
中冶赛迪工程技术股份有限公司 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
HUANG, Qiming (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
黄其明 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
YANG, Ningchuan (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
杨宁川 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
XU, Jie (No. 1, Shuanggang Road Yuzhong District, Chongqing 3, 400013, CN)
徐杰 (中国重庆市渝中区双钢路1号, Chongqing 3, 400013, CN)
International Classes:
F27D13/00; C21C5/52; F27D3/06
Attorney, Agent or Firm:
TIDYTEND INTELLECTUAL PROPERTY LAW FIRM (Suite A511, Horizon International Tower No. 6 Zhichun Road, Haidian District, Beijing 8, 100088, CN)
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Claims: