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Deformed steel bar slow-release quenching agent

A technology of quenching agent and rebar, which is applied in the direction of quenching agent, heat treatment equipment, manufacturing tools, etc. It can solve the problems of reducing the strength and bonding force of steel bars, affecting the appearance of rebar, and waste of steel, so as to achieve the effect of slowing down corrosion

Inactive Publication Date: 2015-05-06
WUXI YANGGONG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corrosion not only causes waste of steel and affects the appearance of rebar, but also reduces the strength of steel and the bonding force with concrete, causing safety hazards in production and life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The formula of the rebar slow-release quenching agent of the present invention is as follows: 3kg of sodium sulfate, 5kg of sodium hydroxide, 1.5kg of starch, 6kg of sodium bicarbonate, 7kg of sodium phenylacetate, 6kg of alum, and 65kg of water. Described alum is basic aluminum potassium sulfate.

[0014] The preparation method of rebar slow-release quenching agent of the present invention is:

[0015] Dissolve 3kg of sodium sulfate, 5kg of sodium hydroxide, 1.5kg of starch, 6kg of sodium bicarbonate, 7kg of sodium phenylacetate, and 6kg of alum in 65kg of water, and mix well.

Embodiment 2

[0017] The formula of the rebar slow-release quenching agent of the present invention is as follows: 2kg of sodium sulfate, 6kg of sodium hydroxide, 2kg of starch, 5kg of sodium bicarbonate, 8kg of sodium phenylacetate, 8kg of alum, and 70kg of water. Described alum is basic aluminum potassium sulfate.

[0018] The preparation method of rebar slow-release quenching agent of the present invention is:

[0019] Dissolve 2kg of sodium sulfate, 6kg of sodium hydroxide, 2kg of starch, 5kg of sodium bicarbonate, 8kg of sodium phenylacetate, and 8kg of alum in 70kg of water, and mix well.

Embodiment 3

[0021] The formula of the rebar slow-release quenching agent of the present invention is as follows: 5kg of sodium sulfate, 4kg of sodium hydroxide, 1kg of starch, 7kg of sodium bicarbonate, 6kg of sodium phenylacetate, 5kg of alum, and 60kg of water. Described alum is basic aluminum potassium sulfate.

[0022] The preparation method of rebar slow-release quenching agent of the present invention is:

[0023] Dissolve 5kg of sodium sulfate, 4kg of sodium hydroxide, 1kg of starch, 7kg of sodium bicarbonate, 6kg of sodium phenylacetate, and 5kg of alum in 60kg of water, and mix well.

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PUM

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Abstract

The invention provides a slow-release quenching agent for threaded steel to prevent and slow down the corrosion of threaded steel in the atmosphere. A slow-release quenching agent for threaded steel provided by the invention comprises the following components in parts by mass: 2-5 parts of sodium sulfate, 4-6 parts of sodium hydroxide, 1-2 parts of starch, and 5-7 parts of sodium bicarbonate 6-8 parts of sodium phenylacetate, 5-8 parts of alum, and 60-70 parts of water. The invention also provides a preparation method of the slow-release quenching agent for rebar. The slow-release quenching agent for rebars of the invention can effectively prevent and slow down the corrosion of rebars in the atmosphere.

Description

technical field [0001] The invention relates to a slow-release quenching agent for threaded steel. Background technique [0002] Rebar is a small section steel, generally widely used in civil engineering construction such as houses, bridges, roads, etc., mainly as the skeleton of reinforced concrete building components. The purpose of the rebar is to bear the tension in the concrete member. The thread surface with different concave and convex will be better combined with the concrete, which can prevent the structure from being separated due to insufficient friction between the steel bar and the concrete, resulting in structural damage. [0003] Rebar is easily corroded and rusted in surrounding media such as carbon dioxide, oxygen, water, and acid during storage, transportation, and use. Corrosion not only causes waste of steel and affects the appearance of rebar, but also reduces the strength of steel and the bonding force with concrete, causing safety hazards in productio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/60
Inventor 杨龙兴
Owner WUXI YANGGONG MACHINERY MFG
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