A kind of phosphating steel wire processing technology

A processing technology and phosphating steel wire technology, applied in the field of phosphating steel wire processing technology, can solve the problems of high energy consumption, high processing technology cost and high maintenance cost of lead quenching, and achieve the advantages of improving quenching effect, reducing cooling rate and improving strength. Effect

Active Publication Date: 2018-09-11
MAANSHAN FASTEN SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical solution disclosed in the above patent application documents still has many defects, such as high processing cost, large energy consumption by lead quenching, high maintenance cost, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In this embodiment, the steel wire with diameter d=1.4mm is processed, and the speed v=35mm / s for the steel wire passing through the quenching step is set.

[0030] A processing technology for phosphating steel wire, comprising a quenching step, the quenching step is as follows:

[0031] S1. Set up three sequentially connected cooling tanks, respectively numbered Ⅰ, Ⅱ, and Ⅲ; among them,

[0032] The length of cooling tank Ⅰ: (0.9058d+0.3909d 2 )×dv=100.9mm,

[0033] The length of cooling tank II: (15.994-8.3892d)×dv=210.8mm,

[0034] The length of cooling tank III: (21.578-12.919d)×dv=171.1mm;

[0035] Among them, d is the diameter of the steel wire, and v is the speed of the steel wire passing through the cooling tank;

[0036] S2. In step S1, the sodium polyacrylate with a concentration of 6.5% is placed in the cooling tank I, borax is added, and borax is added at 55g / l, and the temperature in the cooling tank I is controlled to be 85-99°C; in the cooling tank II...

Embodiment 2

[0040] In this embodiment, the steel wire with diameter d=1.4mm is processed, and the speed v=40mm / s for the steel wire passing through the quenching step is set.

[0041] A processing technology for phosphating steel wire, comprising a quenching step, the quenching step is as follows:

[0042] S1. Set up three sequentially connected cooling tanks, respectively numbered Ⅰ, Ⅱ, and Ⅲ; among them,

[0043] The length of cooling tank Ⅰ: (0.9058d+0.3909d 2 )×dv=113.9mm,

[0044] The length of cooling tank II: (15.994-8.3892d)×dv=238.0mm,

[0045] The length of cooling tank III: (21.578-12.919d)×dv=195.5mm;

[0046] Among them, d is the diameter of the steel wire, and v is the speed of the steel wire passing through the cooling tank;

[0047] S2. In step S1, the sodium polyacrylate with a concentration of 7.5% is placed in the cooling tank I, and borax is added, and the borax is added at 60g / l, and the temperature is controlled to be 85-99°C; in the cooling tank II, there is air...

Embodiment 3

[0051] In this embodiment, the steel wire with diameter d=1.6mm is processed, and the speed v=40mm / s for the steel wire passing through the quenching step is set.

[0052] A processing technology for phosphating steel wire, comprising a quenching step, the quenching step is as follows:

[0053] S1. Set up three sequentially connected cooling tanks, respectively numbered Ⅰ, Ⅱ, and Ⅲ; among them,

[0054] The length of cooling tank Ⅰ: (0.9058d+0.3909d 2 )×dv=156.8mm,

[0055] The length of cooling tank II: (15.994-8.3892d)×dv=164.6mm,

[0056] The length of cooling tank III: (21.578-12.919d)×dv=58.1mm;

[0057] Among them, d is the diameter of the steel wire, and v is the speed of the steel wire passing through the cooling tank;

[0058]S2. In step S1, the sodium polyacrylate with a concentration of 5.5% is placed in the cooling tank I, and borax is added, and the borax is added at 50g / l, and the temperature is controlled to be 85-99°C; in the cooling tank II, there is air; ...

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Abstract

The invention discloses a phosphatized steel wire processing technology and belongs to the field of steel wire production. The technology solves the problem that the existing phosphatized steel wire production technology has a high processing cost, large patenting energy consumption and a high later maintenance cost. The technology comprises S1, arranging three cooling tanks connected orderly, S2, orderly putting a quenching solution A, air and a quenching solution B into the three cooling tanks and S3, orderly feeding steel wires output by a blast furnace into the three cooling tanks. The technology realizes a low production cost, has small energy consumption and realizes a low product later maintenance cost and environmental protection and health effects.

Description

technical field [0001] The invention belongs to the field of steel wire production, and in particular relates to a phosphating steel wire processing technology. Background technique [0002] At present, the production investment of phosphating steel wire is high, the energy consumption is large, the later maintenance cost is high, and it is easy to emit harmful gas during use, which is not conducive to environmental protection. [0003] Chinese patent application number 201310187176.8, the patent application document published on August 21, 2013, discloses a heat treatment process for steel wire, providing a heat treatment method that can reduce the impact of environmental changes on product quality and improve product stability. Including open hearth furnace heating, lead quenching, pickling, phosphating, saponification and drying process, the open hearth furnace heating process adopts segmental heating, the open hearth heating furnace is divided into four sections, the hea...

Claims

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Application Information

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IPC IPC(8): C21D9/52C21D1/18C21D1/60
CPCC21D1/18C21D1/60C21D9/525
Inventor 刘琦
Owner MAANSHAN FASTEN SCI & TECH CO LTD
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