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High-speed steel hydrogen inflating annealing pipe

A technology for annealing tubes and high-speed steel, applied in furnaces, heat treatment equipment, heat treatment furnaces, etc., can solve the problems of high cost and inconvenient tube sealing, and achieve the effects of production quality assurance, stable water bath cooling speed, and oxidation prevention.

Pending Publication Date: 2017-05-31
江苏伟建工具科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current problem with this method of sealing tubes is that the sealed quartz glass tubes are disposable, and the tubes must be broken after the sample is annealed, resulting in high costs, and the sealing of the tubes requires a special vacuum system and Quartz or glass tube heating and softening equipment, it is also very inconvenient to seal the tube

Method used

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  • High-speed steel hydrogen inflating annealing pipe
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: A high-speed steel hydrogen-filled annealing pipe, the high-speed steel hydrogen-filled annealing pipe includes an annealing pipe main body; a section of the annealing pipe main body is arranged in a heat preservation chamber; the annealing pipe main body located in the heat preservation chamber A plurality of oxygen pipes are connected on the top; an ignition head is provided at the connection between the oxygen pipe and the main body of the annealing pipe; a smoke exhaust pipe is arranged on the main body of the annealing pipe at the port of the heat preservation warehouse; the main body of the annealing pipe is located at the The end is also provided with a water bath cooling tank; the high-speed steel outlet end of the annealing tube main body is provided with a flexible sealing block; the main body of the annealing tube is provided with a hydrogen gas inlet between the flexible sealing block and the water bath cooling tank; The gas inlet is connected t...

Embodiment 2

[0021] Embodiment 2: A high-speed steel hydrogen-filled annealing pipe, the high-speed steel hydrogen-filled annealing pipe includes an annealing pipe main body; a section of the annealing pipe main body is arranged in a heat preservation bin; the annealing pipe main body located in the heat preservation bin A plurality of oxygen pipes are connected on the top; an ignition head is provided at the connection between the oxygen pipe and the main body of the annealing pipe; a smoke exhaust pipe is arranged on the main body of the annealing pipe at the port of the heat preservation warehouse; the main body of the annealing pipe is located at the The end is also provided with a water bath cooling tank; the high-speed steel outlet end of the annealing tube main body is provided with a flexible sealing block; the main body of the annealing tube is provided with a hydrogen gas inlet between the flexible sealing block and the water bath cooling tank; The gas inlet is connected to the hy...

Embodiment 3

[0023] Embodiment 3: A high-speed steel hydrogen-filled annealing pipe, the high-speed steel hydrogen-filled annealing pipe includes an annealing pipe main body; a section of the annealing pipe main body is arranged in a heat preservation bin; the annealing pipe main body located in the heat preservation bin A plurality of oxygen pipes are connected on the top; an ignition head is provided at the connection between the oxygen pipe and the main body of the annealing pipe; a smoke exhaust pipe is arranged on the main body of the annealing pipe at the port of the heat preservation warehouse; the main body of the annealing pipe is located at the The end is also provided with a water bath cooling tank; the high-speed steel outlet end of the annealing tube main body is provided with a flexible sealing block; the main body of the annealing tube is provided with a hydrogen gas inlet between the flexible sealing block and the water bath cooling tank; The gas inlet is connected to the hy...

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Abstract

The invention discloses a high-speed steel hydrogen inflating annealing pipe. The high-speed steel hydrogen inflating annealing pipe is characterized in that the high-speed steel hydrogen inflating annealing pipe comprises an annealing pipe body; one section of the annealing pipe body is arranged in a heat preservation bin; the position, located in the heat preservation bin, of the annealing pipe body is connected with a plurality of oxygen pipes; ignition heads are arranged at the joints of the oxygen pipes and the annealing pipe body; the position, located at an end opening of the heat preservation bin, of the annealing pipe body is provided with a smoke exhaust pipe; the position, located at the tail end of the heat preservation bin, of the annealing pipe body is provided with a water bath cooling trough; a flexible sealing block is arranged at the high-speed steel outlet end of the annealing pipe body; and a hydrogen inlet is formed in the position, located between the flexible sealing block and the water bath cooling trough, of the annealing pipe body.

Description

technical field [0001] The invention relates to the field of metal annealing, in particular to an annealing tube for high-speed steel. Background technique [0002] Annealing is a metal heat treatment process, which refers to slowly heating the metal to a certain temperature, keeping it for a sufficient time, and then cooling it at an appropriate speed. The purpose is to reduce hardness, improve machinability; eliminate residual stress, stabilize size, reduce deformation and crack tendency; refine grain, adjust structure, and eliminate structure defects. To be precise, annealing is a heat treatment process for materials, including metal materials and non-metal materials. Moreover, the purpose of annealing new materials is similar to that of traditional metal annealing. [0003] Annealing is a very commonly used experimental method for sample preparation and sample processing in the field of scientific research and production. For some samples that can be annealed in an air...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/573C21D1/74C21D1/26C21D1/52
CPCC21D1/26C21D1/52C21D9/561C21D9/562C21D9/5732
Inventor 王卫和
Owner 江苏伟建工具科技有限公司
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