Blast furnace distribution chute and its processing technology
A technology for distributing chutes and blast furnaces, which is applied to the improvement of process efficiency and the arrangement of bells and funnels. It can solve the problems of time-consuming and laborious, inconvenient disassembly and maintenance of lining boards, and low service life, so as to enhance structural stability and disassembly. Easy maintenance, increase the effect of material buffering capacity
Active Publication Date: 2022-06-07
武汉楚光布料溜槽制造有限公司
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Problems solved by technology
[0004] In view of the above-mentioned related technical solutions, the inventor needs to make improvements because the above-mentioned blast furnace distribution chute not only has a relatively low service life (generally 8-10 months), but also disassembles and maintains the lining boards.
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[0036] The present invention will be further described in detail below with reference to the accompanying drawings.
[0037] like figure 1 As shown, the present application provides a blast furnace distributing chute, comprising a launder body 1 with a connector, a heat insulating shell 2 arranged on the outside of the launder body 1, and a lining plate 3 arranged on the inner side of the launder body 1, There is a heat insulating layer 4 between the heat insulating shell 2 and the launder body 1 . This application is mainly aimed at the problem that the blast furnace distributing chute before the improvement not only has a low service life (generally 8-10 months), but also the disassembly and maintenance of the lining plate 3 is relatively inconvenient, and provides a service life of 12-15 The blast furnace distributing chute is easy to disassemble and maintain.
[0038] The lining plate 3 includes a buffer lining plate 31 located at the upper part of the launder body 1, an...
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Abstract
The invention relates to a blast furnace material distribution chute and a processing technology thereof, and relates to the technical field of blast furnace ironmaking equipment. It includes a launder body, a thermal insulation shell and a liner. There is a heat insulation layer between the heat insulation shell and the launder body. The liner includes a buffer liner on the upper part of the launder body, and a The wear-resistant liner at the lower part, the outer side of the buffer liner is attached to the inner side of the launder body, and a plurality of buffer plates are installed on the inner side of the buffer liner, and the outer side of the wear-resistant liner and the inner side of the launder body are connected with Grid-shaped grid support plate, the inner side of the wear-resistant lining plate is connected with a plurality of wear-resistant protrusions arranged at intervals, and the two ends of the wear-resistant lining plate, the two ends of the buffer lining plate, and the two ends of the grid support plate are all passed through the second A fastening component is connected with the launder body, and both ends of the heat insulation housing are connected with the launder body through the second fastening component. The invention has a longer service time and is more convenient for disassembly and maintenance.
Description
technical field [0001] The invention relates to the technical field of blast furnace ironmaking equipment, in particular to a blast furnace distribution chute and a processing technology thereof. Background technique [0002] The distribution chute is a key component of the iron-making blast furnace, and it is the last channel for the charge flow to enter the blast furnace body. The working position of the distribution chute is at the top of the blast furnace cavity, and it works in a high temperature environment of 400-600 °C for a long time. The charge enters the distribution chute at a certain flow rate, and the distribution chute rises to a certain inclination angle according to the process requirements. At the same time, the distribution chute rotates at a constant speed in the vertical direction to achieve uniform distribution of the charge in the blast furnace. [0003] A Chinese patent with a publication number of CN210151144U has been retrieved, which discloses a bl...
Claims
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IPC IPC(8): C21B7/20
CPCC21B7/20Y02P10/20
Inventor 金喜元金立涛袁新胜
Owner 武汉楚光布料溜槽制造有限公司