Title:
HIGH-EFFICIENCY SMELTING REDUCTION CIRCULATING COOLING EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2022/206206
Kind Code:
A1
Abstract:
The present application provides a high-efficiency smelting reduction circulating cooling equipment. A cooling apparatus is arranged as a layered structure, and comprises a hot-side cooling layer and a cold-side protective layer. The hot-side cooling layer is attached to a refractory layer, and the hot-side cooling layer comprises a first metal housing and a cooling pipe arranged inside the first metal housing. The cooling pipe penetrates the first metal housing and extends to form a liquid intake pipe and a liquid discharge pipe. The cold-side protective layer is attached to the hot-side cooling layer and clamps the hot-side cooling layer together with the refractory layer. The cold-side protective layer comprises a second metal housing as well as a liquid intake through hole and a liquid discharge through hole which penetrate the second metal housing. The liquid intake pipe passes through the liquid intake through hole, and the liquid discharge pipe passes through the liquid discharge through hole. According to the present application, a cooling apparatus is arranged in a transition zone of a smelting reduction furnace, so that the cooling apparatus may reduce the surface temperature of a refractory layer. As a result, a stable slag iron solidification layer is formed on the surface of the refractory layer in the transition zone to protect the refractory layer, thereby prolonging the service life of the smelting reduction furnace.
Inventors:
ZHANG GUANQI (CN)
CHEN QINGMENG (CN)
WANG JINXIA (CN)
ZHANG GUANGLEI (CN)
ZHANG XIAOFENG (CN)
CHEN QINGMENG (CN)
WANG JINXIA (CN)
ZHANG GUANGLEI (CN)
ZHANG XIAOFENG (CN)
Application Number:
PCT/CN2022/076642
Publication Date:
October 06, 2022
Filing Date:
February 17, 2022
Export Citation:
Assignee:
SHANDONG MOLONG PETROLEUM MACHINERY CO LTD (CN)
International Classes:
F27D9/00
Foreign References:
| CN113390266A | 2021-09-14 | |||
| CN206680517U | 2017-11-28 | |||
| CN107177708A | 2017-09-19 | |||
| CN111074028A | 2020-04-28 | |||
| CN108826994A | 2018-11-16 | |||
| JP2010174317A | 2010-08-12 | |||
| KR101572390B1 | 2015-11-26 |
Attorney, Agent or Firm:
BEIJING JUNHUI INTELLECTUAL PROPERTY AGENT OFFICE (ORDINARY PARTNERSHIP) (CN)
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