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Apparatus for replacing tuyere small sleeve

A small tuyere cover and blast furnace technology, applied in the direction of the tuyere, can solve the problems of small tuyere cover replacement, water leakage, bad working environment, etc.

Inactive Publication Date: 2014-06-18
TIANJIN TIANTIE METALLURGICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The blast furnace tuyere is the air supply device of the blast furnace. Under the harsh environment of high temperature and mechanical wear, its interior is cooled by water, and it is easily damaged during the blast furnace smelting process. After damage, water will leak into the blast furnace, seriously affecting the production of the blast furnace, and even cause accidents, therefore, it is necessary to stop the wind and replace it in time after the small tuyere cover is damaged
Due to the limited working space, it is not possible to use large-scale mechanical facilities when replacing the small tuyere cover. It can only be operated by manpower in a small, high-temperature environment. Pulling hoists not only has a bad working environment, but also wastes time and increases the rate of wind breaks

Method used

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  • Apparatus for replacing tuyere small sleeve

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Embodiment Construction

[0015] See attached picture. This device is realized by utilizing the principle of leverage, and the crowbar 2 is a lever, and the vehicle frame 5 and the wheel 6 are fulcrums. The small tuyere cover 8 of the blast furnace air supply device is located inside the middle cover of the tuyere. When the damaged small cover 8 of the tuyere needs to be disassembled, first the small cover 8 of the tuyere is removed from the middle cover of the tuyere, and then the front end of the crowbar 2 is inserted into the small cover 8 of the tuyere. , press handrail 1 down, make tuyere small cover 8 hang on crowbar 2 front ends, pull away this device, tuyere small cover 8 is generally transported to designated position.

[0016] After the damaged air outlet cover 8 is disassembled, when it is necessary to install a new air outlet cover 8, insert the front end of the crowbar 2 into the new air outlet cover 8, press down on the handrail 1, and make the new air outlet cover 8 hang on the front end...

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Abstract

The invention relates to an apparatus for replacing a tuyere small sleeve, and belongs to the field of metallurgy mechanical equipment, and aims at solving the problem that when the tuyere small sleeve is replaced, replacing manners of manual lifting or a chain block can only be employed. The apparatus mainly consists of a crowbar 2, a bicycle frame and bicycle wheels 6. The apparatus is characterized in that the length of the crowbar 2 is determined based on on-site actual situation, the front end of the crowbar 2 is provided with an antiskid baffle 3 and an anticreep baffle 4 by welding, the crowbar 2 is fixedly connected with the bicycle frame 5 by welding, and two ends of the lower part of the bicycle frame 5 form a pi-shaped structure and is directly inserted into a bicycle shaft 7. The apparatus is simple and safe in operation and is beneficial for reducing blowing-down rate. When the apparatus is not used, the bicycle wheels 6 and the bicycle frame 5 can be separated, and dismounting, installation and storage are convenient.

Description

technical field [0001] The invention relates to a replacement device for a small sleeve of a tuyere of a blast furnace, belonging to the field of metallurgical machinery and equipment. technical background [0002] The blast furnace tuyere is the air supply device of the blast furnace. Under the harsh environment of high temperature and mechanical wear, its interior is cooled by water, and it is easily damaged during the blast furnace smelting process. After being damaged, water will leak into the blast furnace, seriously affecting the blast furnace production, and even Accidents are caused, therefore, after the small tuyere cover is damaged, it is necessary to stop the wind and replace it in time. Due to the limited working space, it is not possible to use large-scale mechanical facilities when replacing the small tuyere cover. It can only be operated by manpower in a small, high-temperature environment. Pulling hoists not only has a bad working environment, but also waste...

Claims

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Application Information

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IPC IPC(8): C21B7/16
Inventor 凌忠敏刘学清李文革
Owner TIANJIN TIANTIE METALLURGICAL GRP
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