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Heat treatment process of electric power pole

A power rod and chemical heat treatment technology, applied in heat treatment furnaces, heat treatment equipment, manufacturing tools, etc., can solve the problems of unreasonable process parameters, high operator experience requirements, unreasonable process settings, etc. With reasonable coordination and good rust removal quality

Inactive Publication Date: 2017-08-04
江苏银河钢杆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing heat treatment processes for power poles have unreasonable process settings, unreasonable process parameters, and high requirements for operator experience, resulting in high production costs and low product quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of heat treatment process of electric pole according to the present invention, it comprises the following steps,

[0016] (1) Pickling and phosphating the power pole;

[0017] (2) Wash the pickled power pole with water;

[0018] (3) Grinding the washed power pole;

[0019] (4) Carry out a heat treatment on the polished power rod. The heating temperature of the heat treatment is controlled at 940°C, and the heating time is controlled at 180 minutes. The quenching medium is sodium chloride brine with a concentration of 3.5% by mass, and the tempering temperature is controlled at 720°C. , the tempering time is controlled at 135 minutes;

[0020] (5) Put the power rod after primary heat treatment into the primary water cooling pool for cooling, keep the water flowing in the cooling pool, and control the temperature at 35°C;

[0021] (6) Perform secondary heat treatment on the power rod after primary cooling, put the power rod into the chemical heat treatment proce...

Embodiment 2

[0024] A kind of heat treatment process of electric pole according to the present invention, it comprises the following steps,

[0025] (1) Pickling and phosphating the power pole;

[0026] (2) Wash the pickled power pole with water;

[0027] (3) Grinding the washed power pole;

[0028] (4) Carry out a heat treatment on the polished power rod. The heating temperature of the heat treatment is controlled at 970°C, and the heating time is controlled at 200 minutes. The quenching medium is sodium chloride brine with a mass percentage concentration of 3.5%, and the tempering temperature is controlled at 770°C. , the tempering time is controlled at 145 minutes;

[0029] (5) Put the power rod after primary heat treatment into the primary water cooling pool for cooling, keep the water flowing in the cooling pool, and control the temperature at 39°C;

[0030] (6) Perform secondary heat treatment on the power rod after primary cooling, put the power rod into the chemical heat treatme...

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PUM

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Abstract

The invention relates to a heat treatment process of an electric power pole. The heat treatment process comprises the following steps of carrying out acid pickling and phosphating, water washing, grinding treatment, first heat treatment, first cooling, secondary heat treatment and secondary cooling on the electric power pole. The heat treatment process is reasonable in process, rigorous in parameter setting and high in product quality.

Description

technical field [0001] The invention relates to a heat treatment process, in particular to a heat treatment process for electric poles. Background technique [0002] Most of the existing heat treatment processes for power poles have unreasonable process settings, unreasonable collocation of process parameters, and high requirements for operator experience, resulting in high production costs and low product quality. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to overcome the deficiencies in the prior art and provide a heat treatment process for power poles with reasonable procedures, rigorous parameter settings and high product quality. [0004] Technical solution: In order to solve the above technical problems, a heat treatment process for electric poles according to the present invention comprises the following steps, [0005] (1) Pickling and phosphating the power pole; [0006] (2) Wash the pickled power pole with water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/18C21D1/60C21D9/00C23C8/22
CPCC21D1/18C21D1/60C21D9/0075C23C8/22
Inventor 邵赛军
Owner 江苏银河钢杆有限公司
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