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Flame-retardant high-oil-solubility refrigerating machine oil and preparation method thereof

A refrigerating machine oil and oil-soluble technology, which is applied in the field of lubricating oil, can solve problems such as refrigerating machine oil is prone to sludge, refrigeration equipment is complicated to use, and cannot operate normally, and achieves good oxidation stability, excellent sludge solubility, and open flash point excellent effect

Inactive Publication Date: 2020-05-08
JIANGSU SHUANGJIANG ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As the use environment of refrigeration equipment is becoming more and more complex, when the equipment is running in a complex environment, the refrigeration oil is prone to generate sludge and block the internal pipes after oxidation, which increases the energy consumption of the refrigeration equipment and even fails to operate normally.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of refrigerating machine oil with high flame resistance and strong oil solubility, calculated according to the mass percentage, including the following components: the base oil is triple hydrogenated naphthenic base oil and the mass ratio of tetramethylol methane ester is 70:30; 0.3% anti-wear agent, 0.05% anti-wear agent, 0.2% acid scavenger, 0.18% metal deactivator, 0.01% defoamer, and the rest is base oil.

Embodiment 2

[0021] A kind of refrigerating machine oil with high flame resistance and strong oil solubility, calculated according to the mass percentage, including the following components: the mass ratio of the base oil to the tetramethylol methane ester is 80:20; the antioxidant 0.5%, antiwear agent 0.1%, acid scavenger 0.25%, metal deactivator 0.1%, defoamer 0.012%, and the rest is base oil.

Embodiment 3

[0023] A kind of refrigerating machine oil with high flame resistance and strong oil solubility, calculated according to mass percentage, including the following components: the mass ratio of base oil to tetramethylol methane ester is 90:10; antioxidant 1.0%, antiwear agent 0.12%, acid scavenger 0.05%, metal deactivator 0.16%, defoamer 0.02%, and the rest is base oil.

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PUM

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Abstract

The invention provides flame-retardant high-oil-solubility refrigerating machine oil and a preparation method thereof. According to the invention, naphthenic base oil produced through a refining technology including three or more hydrogenation operations has the characteristics of high stability, high saturated hydrocarbon content and the like, and has very high oxidation resistance; a complexingdenitrification-carclazyte refining technology is adopted for further refining treatment of the naphthenic base oil so as to remove sulfur and nitrogen elements and unsaturated heterocyclic molecules;a distillation range index is strictly controlled, and a fraction with a distillation range of 260-360 DEG C is selected, and a temperature difference between an initial boiling point and a final boiling point does not exceed 100 DEG C, so a product has excellent low-temperature performance, and the naphthenic base oil has good oil sludge dissolving performance; and because the flash point of mineral oil is not high, tetrakis(hydroxymethyl)methane ester with a high flash point is used for base oil combination, and the refrigerating machine oil with excellent oil sludge solubility, low-temperature performance, oxidation stability and flame resistance is obtained.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil, and in particular relates to a refrigerating machine oil which is flame-resistant and has strong oil solubility and a preparation method thereof. Background technique [0002] In the vapor compression refrigeration system, the refrigerating machine oil is the lubricating oil used in the compressor, which plays the role of lubricating the moving parts of the compressor, sealing and reducing noise. At the same time, the refrigerating machine oil can also be used as a heat transfer medium to cool the compressor, and part of it circulates with the refrigerant, affecting the heat transfer performance of the evaporator and condenser. The preferred refrigerating machine oil can improve the mechanical efficiency of the compressor, reduce the wear of moving parts, and improve the refrigeration performance of the compressor. [0003] As the use environment of refrigeration equipment is becoming ...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M177/00C10N40/30C10N30/10
CPCC10M169/044C10M177/00C10M2203/1065C10M2207/026C10M2207/046C10M2207/2835C10M2215/223C10M2219/104C10M2223/04C10M2223/06C10M2229/02C10N2040/30
Inventor 陈星宇朱建红王洁颖
Owner JIANGSU SHUANGJIANG ENERGY TECH CO LTD