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One-component additive for hydrocarbon refrigerant

A hydrocarbon refrigerant, a single-component technology, applied in the direction of additives, analytical materials, lubricating compositions, etc., can solve problems such as product performance differences, achieve the effects of suppressing explosion trends, improving leak detection efficiency, and improving intrinsic safety

Active Publication Date: 2018-02-06
南京苏佰能能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the vast majority of additives are liquid or solid (except CO2, NH3), the way of mixing with gaseous hydrocarbon refrigerants - selling - filling will inevitably lead to differences in the performance of each batch of products due to differences in density. defect

Method used

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  • One-component additive for hydrocarbon refrigerant
  • One-component additive for hydrocarbon refrigerant
  • One-component additive for hydrocarbon refrigerant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: The additive for single-component hydrocarbon refrigerant of the present invention is 6-methylthio-2-difluoroiodomethyl-1H-benzisoquinoline-1,3(2H)-dione, molecule The structural formula is:

[0027]

[0028] Its addition amount in refrigerating machine oil (according to the total mass of refrigerating machine oil) is 5%. It is measured that the warning intensity of the finished refrigerant prepared by the additive of the present invention is rated as 2 (weak), the leak detection ability is rated as 3 (general), and the pressure value after ignition is 0.9 MPa (refrigerant partially explodes).

Embodiment 2

[0029] Embodiment 2: The additive for single-component hydrocarbon refrigerant of the present invention is 5-mercapto-2-pentafluoroethyl-1H-benzisoquinoline-1,3(2H)-dione, and its molecular structure is:

[0030]

[0031] Its addition amount in refrigerating machine oil (according to the total mass of refrigerating machine oil) is 20%. It is measured that the warning intensity evaluation of the finished refrigerant prepared by the additive of the present invention after leakage is grade 5 (strong), the leak detection ability evaluation is grade 5 (strong), and the pressure value after ignition is 0.1 MPa (refrigerant does not explode).

Embodiment 3

[0032] Example 3: The additive for single-component hydrocarbon refrigerants of the present invention is 6-propylthio-2-(2,2,3,3,3-pentafluoropropane)-1H-benzisoquinoline-1 ,3(2H)-diketone, the molecular structure formula is:

[0033]

[0034] Its addition amount in refrigerating machine oil (according to the total mass of refrigerating machine oil) is 10%. It is measured that the warning intensity evaluation after leakage of the finished refrigerant prepared by the additive of the present invention is grade 3 (general), the leak detection ability evaluation is grade 4 (stronger), and the pressure value after ignition is 0.3MPa (a small part of the refrigerant explodes. ).

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PUM

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Abstract

The present invention is a one-component additive for hydrocarbon refrigerants. The parent structure of the single-component additive for hydrocarbon refrigerants is 1,8-naphthalimides, and a halogenated alkane group (R1 ), the naphthalene ring is connected with a mercapto group or a hydrocarbon thio group (R2), and the single-component additive for the hydrocarbon refrigerant is dissolved in the refrigerating machine oil before being used, and is added to the refrigerating equipment together with the refrigerating machine oil. The added amount of the single-component additive for hydrocarbon refrigerant accounts for 5%-20% of the total mass of the refrigerating machine oil.

Description

technical field [0001] The invention relates to a single-component additive, especially a single-component additive for hydrocarbon refrigerants. Background technique [0002] Hydrocarbon refrigerants refer to single compounds or multi-component mixtures composed of low-carbon paraffins. The most common hydrocarbon refrigerants are propane, isobutane, n-butane or their mixtures. Hydrocarbon refrigerants do not damage the ozone layer, have no greenhouse effect, have the advantages of natural environmental protection, high efficiency and energy saving, high-quality refrigeration, cost saving, high oil mixing ratio, and wide application. They are the most promising refrigerants. However, hydrocarbon refrigerants have been widely criticized for a long time, and the main reason why they are difficult to popularize and apply is that they are colorless, odorless, difficult to detect after leakage, and their own ignition point is relatively low. Explosive gas mixture. [0003] At ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/20
CPCC07D221/14C09K5/042C09K11/06C09K2205/12C09K2211/1029C10M133/40C10M2215/221G01M3/20G01N33/00
Inventor 江安峰
Owner 南京苏佰能能源科技有限公司