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Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires

A cooling cycle, heat treatment furnace technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of underutilization and waste.

Active Publication Date: 2012-05-23
WUXI XINKE METALLURGICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above conventional steel wire production processes, the heat of high-temperature steel wire is mostly cooled directly in the air or in the quenching medium, which is not fully utilized, resulting in great waste

Method used

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  • Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires
  • Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires
  • Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires

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Embodiment Construction

[0013] As shown in the figure: the steel wire continuous heating and cooling cycle utilization heat treatment furnace includes a preheating section 1, a heating section 2 and a cooling section 4 connected in sequence; in the preheating section 1 there is a preheating furnace body 1.1, and a The preheating tube 1.4 in the heating furnace body 1.1; the heating furnace body 2.5 in the heating section 2, and the heating furnace 2.3 located in the heating furnace body 2.5, the heating tube 2.1 in the heating furnace 2.3; the cooling section 4 with The cooling furnace body 4.1, and the cooling pipe 4.4 located in the cooling furnace body 4.1; the preheating pipe 1.4, the heating pipe 2.1 and the cooling pipe 4.4 have passages allowing steel wires to pass through and communicate with each other; formed on the preheating section 1 The steel wire inlet end forms the steel wire outlet end on the cooling section 4; a cooling jacket 4.41 is arranged outside the cooling pipe 4.4, and a cool...

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Abstract

The invention relates to equipment for producing steel wires, in particular to a thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires. According to the technical scheme provided by the invention, a heating furnace body and a heating hearth arranged in the heating furnace body are arranged in a heating section; a heating pipe is arranged in the heating hearth; a channel allowing the steel wires to pass through is arranged in the heating pipe; a cooling section is arranged on the heating section; a cooling furnace body and a cooling pipe arranged in the cooling furnace body are arranged in the cooling section; at least two heating pipes are provided, the cooling pipes are arranged horizontally, and the corresponding cooling pipes are communicated with the heating pipes; a cooling casing pipe is arranged outside the cooling pipe; and a cooling channel is formed between the cooling pipe and the cooling casing pipe. The steel wires before entering the heating furnace are preheated by using the heat energy which is acquired by cooling the steel wires in the heating furnace during the lead-out of the high temperature through utilizing forced wind or the thermal treatment furnace is applied to other procedures so as to reduce the waste of the heat energy by fully utilizing the heat energy.

Description

technical field [0001] The invention relates to equipment for producing steel wire, in particular to a steel wire continuous heating and cooling cycle utilization heat treatment furnace. Background technique [0002] In the process of producing steel wire, it is necessary to carry out heat treatment on steel wire, such as recrystallization annealing of steel wire, normalizing of steel wire and austempering of steel wire, etc. Traditional steel wire heat treatment furnaces include heating furnaces and austempering furnaces. When working, the steel wire runs continuously in the heating furnace and is heated to a certain temperature required by the process, and then it is cooled out of the furnace or enters the isothermal quenching furnace for quenching. In the conventional steel wire production process, after the steel wire is heated to about 750°C in a continuous heating furnace and then cooled in the air, it is called the steel wire recrystallization process; after the stee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/54
Inventor 胡建平
Owner WUXI XINKE METALLURGICAL EQUIP
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