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Environmental protection water-solubility quenching liquid

A water-soluble, quenching liquid technology, used in quenching agents, heat treatment equipment, manufacturing tools, etc., to save production costs, refine grains, and improve machining accuracy and surface quality.

Active Publication Date: 2014-05-07
上海福岛新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in order to overcome the existing water-soluble quenching agent's insufficient anti-rust performance and cleaning ability, and the problems such as quenching deformation caused by too fast low-temperature cooling rate, an environmentally friendly water-soluble quenching liquid is provided. Moderate, improves the deformation and cracking of the workpiece during cooling; has excellent anti-rust performance, can effectively protect the quenched workpiece, fully meets the anti-rust requirements between processes, greatly improves the processing efficiency, and saves production costs

Method used

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Examples

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Effect test

Embodiment 1

[0017] The environment-friendly water-soluble quenching liquid of the present invention is formed by selecting the following ingredients in proportion, and the weight components are as follows: polyether 3800025%, triethanolamine 8%, sodium benzoate 5.2%, benzotriazole 4.8%, phosphoryl carboxylic acid 4% , polyoxyethylene ether 1.3%, polyethylene glycol 60000.1%, fungicide MIT (isothiazolinone derivatives) 1.6%, and the balance is water.

[0018] The preparation method and steps are as follows:

[0019] According to the process requirements, water, triethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, polyoxyethylene ether, polyethylene glycol 6000 and bactericide MIT are weighed in proportion and added to the mixing device and heating function. In the stainless steel blending kettle, adjust the temperature to 30-45°C and stir for 2 hours, slowly add polyether 38000 to dissolve and disperse according to the regulations, and mix and disperse fully. Filte...

Embodiment 2

[0021] The environment-friendly water-soluble quenching liquid of the present invention is formed by selecting the following ingredients in proportion, and the weight components are as follows: polyether 40000 45%, triethanolamine 10%, sodium benzoate 3%, benzotriazole 1.8%, phosphoryl carboxylic acid 0.1 %, polyoxyethylene ether 2%, polyethylene glycol 6000 0.05%, fungicide MIT (isothiazolinone derivatives) 0.1%, and the balance is water.

[0022] The preparation method and steps are as follows:

[0023] According to the process requirements, water, triethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, polyoxyethylene ether, polyethylene glycol 6000 and bactericide MIT are weighed in proportion and added to the mixing device and heating function. In the stainless steel blending kettle, adjust the temperature to 30-45°C and stir for 2 hours, slowly add polyether 40000 to dissolve and disperse according to the regulations, and mix and disperse fully. Fil...

Embodiment 3

[0025] The environment-friendly water-soluble quenching liquid of the present invention is formed by selecting the following ingredients in proportion, and the weight components are as follows: polyether 42000 53%, triethanolamine 4%, adipic acid 2.2%, tricarboxylic acid 1.7%, hydroxyethylene phosphoric acid 2%, polyoxyethylene ether 0.1%, polyethylene glycol 0.01%, fungicide MBM (morpholine derivatives) 2.3%, and the balance is water.

[0026] The preparation method and steps are as follows:

[0027] According to the process requirements, water, triethanolamine, adipic acid, tricarboxylic acid, hydroxyethylene phosphoric acid, polyoxyethylene ether, polyethylene glycol and bactericide MBM are weighed in proportion and added to the stainless steel tank with stirring device and heating function. In the blending kettle, adjust the temperature to 30-45°C and stir for 2.5 hours, slowly add polyether 42000 to dissolve and disperse according to the regulations, and mix and disperse ...

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Abstract

The invention discloses environmental protection water-solubility quenching liquid, which, by weight, comprises components of 25-90% of polyether, 2-50% of water, 0.1-10% of triethanolamine, 0.1-10% of anticorrosive agent, 0.1-5% of dirty restrain agent, 0.1-5% of washing dispersing agent, 0.01-0.1% of antifoaming agent and 0.1-3% of fungicide. The polyether molecular weight is 30000-50000. The water-solubility quenching liquid is compounded with balanced rust-inhibiting additive and the washing dispersing agent, has great cooling speed in a high-temperature cooling stage, can refine grains, has moderate cooling speed in a low-temperature cooling stage, effectively solves cracking and deformation problems in a workpiece cooling process, and improves surface quality of a workpiece. Excellent rust-proof performance effectively protects the quenched workpiece, and rust-proof requirements between working procedures are completely met. The environmental protection water-solubility quenching liquid has prominent surface cleaning performance, scale cinder is avoided, output quantity is small, production efficiency is improved, and production cost is saved.

Description

technical field [0001] The invention relates to a quenching medium, in particular to an environment-friendly water-soluble quenching liquid, which is suitable for quenching carbon steel and alloy steel workpieces. Background technique [0002] At present, commonly used quenching media include water-based quenching agents and oil-based quenching agents. Oil-based quenching agents are likely to pollute the environment during the quenching process and generate a large amount of smoke, which greatly threatens the health of operators. In addition, mineral oil has a low flash point and is prone to Fire, unsafe to use; water-based quenching agent dissolves organic polymers in water to meet the cooling performance of the quenching agent by adjusting the concentration and temperature of the solution. The water-based quenching agent is characterized by a high cooling rate throughout the cooling process. In the high-temperature cooling stage, it can promote grain refinement and regular...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/60
Inventor 宋铁成姬文琦宋传军
Owner 上海福岛新材料科技有限公司
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