Improved structure strong wind tempering furnace for steel belt heat treatment

A tempering furnace and steel strip technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of unstable input of protective atmosphere, unstable processing quality, and easy deformation of processed products, and achieve stable input of protective atmosphere and high processing quality The effect of stability and high processing efficiency

Pending Publication Date: 2021-02-09
GUANGDONG STRONG METAL TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of unstable input of protective atmosphere, uneven heating of workpieces, low processing efficiency, unstable processing quality and easy deformation of processed products in the belt tempering furnace of the prior art, and to provide a The improved structure strong wind tempering furnace with heat treatment has outstanding substantive features and significant progress such as reasonable structure, stable input of protective atmosphere, uniform heating of the workpiece, high processing efficiency, stable processing quality, and processed products are not easily deformed.

Method used

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  • Improved structure strong wind tempering furnace for steel belt heat treatment
  • Improved structure strong wind tempering furnace for steel belt heat treatment
  • Improved structure strong wind tempering furnace for steel belt heat treatment

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specific Embodiment 1

[0026] refer to Figure 1 to Figure 5 , the improved structure strong wind tempering furnace for steel strip heat treatment related to specific embodiment 1 of the present invention comprises a furnace body 6 and a furnace cover 3, and the furnace body 6 and the furnace cover 3 are joined to form a sealed inner cavity; at both ends of the joint There is a workpiece inlet / outlet, and the middle of the sealed inner cavity is a workpiece processing channel; a water-cooled fan 1 and a heating box 2 are arranged in the sealed inner cavity; an upper lining box 4 is arranged in the inner cavity of the furnace cover 3, and The furnace body 6 inner cavity is provided with a lower lining box 5, the upper lining box 4 is above the workpiece processing channel, and the lower lining box 5 is below the workpiece processing channel, forming a closed structure for the workpiece processing channel; 4 The bottom surface and the top surface of the lower lining box 5 are respectively provided wit...

specific Embodiment 2

[0044] The characteristics of the specific embodiment 2 of the present invention are: on the basis of the specific embodiment 1, according to the needs of the length of the furnace body and the processed product, the upper vent 4-1 arranged on the bottom surface of the upper lining box 4 can be four, There are eight, ten or more than twelve, and the lower vent 5-1 arranged on the top surface of the lower liner box 5 can be four, eight, ten or more than twelve, and the upper vent 4-1 is connected with the lower vent 5-1. The number of vents 5-1 is the same. All the other are with specific embodiment 1.

specific Embodiment 3

[0046] The characteristic of Embodiment 3 of the present invention is that the arrangement of several thermocouple tubes 10 in the annular airflow channel 11 is omitted. All the other are with specific embodiment 1 or specific embodiment 2.

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Abstract

The invention relates to an improved structure strong wind tempering furnace for steel belt heat treatment, the improved structure strong wind tempering furnace comprises a furnace body and a furnacecover, and is characterized in that an upper lining box is arranged in an inner cavity of the furnace cover, a lower lining box is arranged in an inner cavity of the furnace body, the upper lining boxis arranged above a workpiece processing channel, the lower lining box is arranged below the workpiece processing channel, and a structure for sealing the workpiece processing channel is formed; a plurality of ventilation openings are respectively formed in the bottom surface of the upper lining box and the top surface of the lower lining box to form a protective atmosphere circulation loop; twowater-cooling fans are arranged and comprise an upper water-cooling fan and a lower water-cooling fan, the upper water-cooling fan is arranged in the inner cavity of the furnace cover, the lower water-cooling fan is arranged in the inner cavity of the furnace body, and an upward and downward opposite blowing structure is formed; and four sets of heating boxes are arranged and comprise the upper heating boxes and the lower heating boxes, the upper heating boxes are arranged in the inner cavity of the furnace cover, the lower heating boxes are arranged in the inner cavity of the furnace body, and an up-down opposite heating structure is formed. The improved structure strong wind tempering furnace has the characteristics of stable protective atmosphere input, uniform workpiece heating and thelike.

Description

technical field [0001] The invention relates to a tempering furnace, in particular to an improved structure strong wind tempering furnace for heat treatment of steel strips, which is mainly used for tempering treatment in steel strip quenching and tempering lines. It belongs to the technical field of metal heat treatment equipment. [0002] technical background [0003] The belt-type tempering furnace in the prior art mainly uses two fans located above the bellows to input the protective atmosphere, which is a single-side blowing structure. The tempering furnace with this structure has the following problems: (1) The input of the protective atmosphere is unstable, the workpiece is heated unevenly and the processing efficiency is low; The results of tempering treatment are quite different and the hardness of the tempering treatment structure is uneven. Yes, the processing quality is unstable. (3) The workpiece is not supported during the tempering process in the furnace cavi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/54C21D1/767
CPCC21D1/767C21D9/54
Inventor 王桂茂刘喜顺潘泽超梁政李树城李森陈权威
Owner GUANGDONG STRONG METAL TECH
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