Strip threading method of strip steel in silicon steel continuous annealing drying furnace

A drying furnace and silicon steel technology, applied in furnaces, heat treatment furnaces, furnace types, etc., can solve the problems of inconvenient threading, difficult operation, and affecting productivity, and achieve the effects of reducing the difficulty of threading, simple operation, and improving productivity
CN102071303BInactive Publication Date: 2012-11-21WISDRI WUHAN WIS IND FURNACE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WISDRI WUHAN WIS IND FURNACE
Publication Date
2012-11-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a strip threading method of strip steel in a silicon steel continuous annealing drying furnace, which is characterized by comprising the following steps: 1) arranging a heat-resistant steel groove piece along the movement direction of the strip steel on the inner side wall of the furnace wall of the silicon steel continuous annealing drying furnace, and penetrating a heat-resistant steel wire rope through the groove from the heat-resistant steel groove piece; and 2) threading a strip: at the inlet of the silicon steel continuous annealing drying furnace, tying one endof a common steel wire rope on the heat-resistant steel wire rope, tying the other end of the common steel wire rope on the end head of the strip steel, enabling an entrance winch to work, firstly drawing one end of the common steel wire rope from the inlet of the silicon steel continuous annealing drying furnace to the outlet of the silicon steel continuous annealing drying furnace through the entrance winch, then drawing out the strip steel from the silicon steel continuous annealing drying furnace through the common steel wire rope at the outlet of the silicon steel continuous annealing drying furnace, and welding the end head of the drawn strip steel with another section of strip steel, thereby completing the threading of the strip. The method is simple to operate, and is safe and reliable.
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Description

technical field

[0001] The invention relates to a method for threading strip steel in a continuous annealing and drying furnace for silicon steel. Background technique

[0002] At present, the belt threading of the silicon steel continuous annealing drying furnace is realized by the following methods:

[0003] The length of the drying furnace is more than 20 meters, and the cross-section is about 2.5m×2.8m. After the chemical coating on the surface of the steel strip, it is dried through the high-temperature drying furnace at a certain speed. There are several furnace rollers in the furnace to support the running of the strip steel. Before layer drying, the strip must not touch the furnace rolls but is suspended.

[0004] The threading of the strip steel is realized by a threading rod. When starting production or re-threading due to a broken strip, the strip threading rod made of heat-resistant steel with a length of about 10m is first tied to a section of steel wire rope, ...

Claims

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