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Heat treatment PAG water base quenching medium stabilizer and uses thereof

A water-based quenching and stabilizing agent technology, applied in quenching agents, heat treatment equipment, manufacturing tools, etc., can solve problems such as polluted water sources

Active Publication Date: 2015-02-18
SHANGHAI SPACE PRECISION MACHINERY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the quenching oil contains a lot of heavy metals, if it is discharged directly after cleaning, it will pollute the water source

Method used

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  • Heat treatment PAG water base quenching medium stabilizer and uses thereof
  • Heat treatment PAG water base quenching medium stabilizer and uses thereof
  • Heat treatment PAG water base quenching medium stabilizer and uses thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] In the PAG quenching solution with a mass percentage concentration of 5%, add the following components by weight and stir and mix to form a stabilizer: 3 parts of foam-breaking polysiloxane solution, 5 parts of diisobutyl ketone, alkenyl succinic acid- 7 parts of zinc naphthenate, 2 parts of barium sulfonate and 2 parts of polyethylene glycol. The test results of the prepared quenching liquid using a cooling characteristic tester are shown in Table 1, wherein 1% is the optimal ratio, and the service life is increased by 20%.

[0012] Table 1 Effect of stabilizer addition amount on PAG5 cooling characteristics

[0013]

Embodiment 2

[0015] In the PAG quenching solution with a mass percentage concentration of 10%, add the following components by weight and stir and mix to form a stabilizer: 1 part of foam-breaking polysiloxane solution, 3 parts of diisobutyl ketone, alkenyl succinic acid- 4 parts of zinc naphthenate, 2 parts of barium sulfonate and 3 parts of polyethylene glycol. The test results of the prepared quenching liquid using a cooling characteristic tester are shown in Table 2, wherein 0.5% is the optimal ratio, and the service life is increased by 16%.

[0016] Table 2 Effect of stabilizer addition amount on PAG10 cooling characteristics

[0017]

Embodiment 3

[0019] In the PAG quenching solution with a concentration of 10% by mass of PAG, add the following components by weight and stir and mix to form a stabilizer: 4 parts of foam-breaking polysiloxane solution, 6 parts of diisobutyl ketone, alkenyl succinic acid-cyclic 7 parts of zinc alkanoate, 4 parts of barium sulfonate and 5 parts of polyethylene glycol. The test results of the prepared quenching liquid using the cooling characteristic tester are shown in Table 3, wherein 1% is the optimal ratio, and the service life is increased by 21%.

[0020] Table 3 The effect of the amount of stabilizer added on the cooling characteristics of PAG15

[0021]

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PUM

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Abstract

The present invention discloses a heat treatment PAG water base quenching medium stabilizer, which comprises the following components, by weight, 1-10 parts of a foam breaking polysiloxane solution, 1-12 parts of 2,6-dimethyl-4-heptanone, 1-15 parts of alkenyl succinic acid-zinc naphthenate, 1-5 parts of barium sulfonate, and 1-8 parts of polyethylene glycol. The heat treatment PAG water base quenching medium stabilizer is mainly used for a water base quenching medium adopting polyaleneglycol (PAG) as a main component, wherein an addition amount is 0.1-2% of a weight of a PAG aqueous solution. The invention further discloses uses of the heat treatment PAG water base quenching medium stabilizer.

Description

technical field [0001] The invention relates to the technical field of material heat treatment, in particular to a polyalkylene glycol (PAG) water-based quenching medium stabilizer for heat treatment; in addition, the invention also relates to the use of the stabilizer. Background technique [0002] With the rapid development of aerospace manufacturing technology and design level, the requirements for the performance uniformity of parts, especially large and complex structural parts, are getting higher and higher, and higher requirements are put forward for heat treatment technology. The quenching medium that has been used for thousands of years in heat treatment is water and oil. Mineral oil is used as the quenching cooling medium, and the environmental cost is huge. According to laboratory tests, there are dioxins left in lampblack (fog), oil, and steel surfaces, which are extremely carcinogenic. The incidence of lung cancer and nasopharyngeal cancer in heat treatment work...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/60
Inventor 袁勇徐林李中权陈建全
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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