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Rust-proof corrosion-resistant water-based quenching agent and preparation method thereof

A water-based quenching agent and anti-corrosion technology, which is applied in the field of heat treatment, can solve the problems affecting the cleanliness of the production environment, the corrosiveness of the quenching agent, and the deformation of the workpiece, so as to improve the working environment and working conditions, good anti-corrosion performance, and improve cooling. performance effect

Inactive Publication Date: 2015-05-06
安徽省杨氏恒泰钢管扣件加工有限公司
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Problems solved by technology

The disadvantage is that the workpiece is prone to "soft spots" during the cooling process, and in the martensitic transformation temperature zone, due to too fast cooling, it is easy to generate a large internal stress, resulting in deformation or even cracking of the workpiece
Part of the water-based quenching agent adds an appropriate amount of salt and alkali to the water, so that after the high-temperature workpiece is immersed in the cooling medium, crystals of salt and alkali can be precipitated in the steam film stage and burst immediately, thereby destroying the steam film and shattering the surface oxidation of the workpiece. Quenching agent can improve the cooling capacity of the medium in the high temperature area, but this kind of quenching agent is highly corrosive and affects the cleanliness of the production environment

Method used

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Embodiment Construction

[0018] Non-limiting examples of the present invention are as follows:

[0019] A kind of anti-rust and anti-corrosion water-based quenching agent is prepared from the following component raw materials by weight (kg):

[0020] Rosin acid polyoxyethylene ester 1.5, nonylphenol polyoxyethylene ether 0.4, sodium lauryl amphoacetate 0.4, carnauba wax emulsion 0.4, linseed oil 0.4, sodium silicate 0.15, sodium diacetate 0.15, sodium bicarbonate 0.8, Sodium alginate 1.5, potassium chloride 0.8, additive 1.5, water 90;

[0021] Among them, the additives are made of raw materials with the following weight (kg):

[0022] Polyvinyl alcohol 0.15, castor oil polyoxyethylene ether 1.5, polyvinylpyrrolidone 1.5, urea 1.5, polysorbate-80 0.4, dimethyl silicone oil 1.5, benzotriazole 0.015, swire oil 0.8, sandan oil 1.5, water 12;

[0023] The preparation method of auxiliary agent:

[0024] Add polyvinyl alcohol to water at 85°C and stir at 400r / min for 2h, then add polysorbate-80, polyvin...

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Abstract

The invention discloses a rust-proof corrosion-resistant water-based quenching agent. The quenching agent is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of polyoxyethylene rosin ester, 0.3-0.5 part of nonylphenol polyoxyethylene ether, 0.3-0.5 part of amphoteric lauryl sodium acetate, 0.3-0.5 part of carnauba wax emulsion, 0.3-0.5 part of linseed oil, 0.1-0.2 part of sodium silicate, 0.1-0.2 part of sodium diacetate, 0.5-1 part of sodium bicarbonate, 1-2 parts of sodium alginate, 0.5-1 part of potassium chloride, 1-2 parts of aids and 80-100 parts of water. The quenching agent disclosed by the invention has the advantages of good cooling performance, good quenching uniformity, rust-proof and corrosion-resistant effects and strong practicability, the problem of over-high water cooling speed is overcome, the phenomena of cracking, deformation and the like of a quenched workpiece are avoided and the quenched workpiece has good anti-corrosion performance which is conducive to further processing and storage.

Description

technical field [0001] The invention relates to heat treatment technology, in particular to an antirust and anticorrosion water-based quenching agent and a preparation method thereof. Background technique [0002] Quenching medium in heat treatment production directly affects the performance of parts after quenching, and is a key factor affecting product quality. Commonly used quenching media mainly include water, aqueous solution, oil, etc. Among them, quenching oil is very polluting to the environment, and it is easy to cause fire during quenching, so it is difficult to meet the requirements of safety and environmental protection. [0003] Water is a quenching medium with strong cooling capacity. It has wide sources, low price, stable composition and not easy to deteriorate. The disadvantage is that the workpiece is prone to "soft spots" during the cooling process, and in the martensitic transformation temperature zone, due to too fast cooling, it is easy to generate a la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/60
CPCC21D1/60
Inventor 杨五和
Owner 安徽省杨氏恒泰钢管扣件加工有限公司
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