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Water-ethylene glycol flame resisting hydraulic fluid concentrate and hydraulic fluid composition

A technology of ethylene glycol and concentrates, which is applied in the field of water-based flame retardant hydraulic fluid compositions, can solve the problems of serious environmental pollution of waste oil liquids, and achieve good thermal stability and oxidation stability

Active Publication Date: 2010-01-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Water-in-oil type and oil-in-water type fire-resistant hydraulic oil (fluid) are cheap and suitable for hydraulic systems with low temperature and pressure. The problem with both is that their waste oil has more environmental pollution than other fire-resistant hydraulic oils. serious

Method used

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  • Water-ethylene glycol flame resisting hydraulic fluid concentrate and hydraulic fluid composition
  • Water-ethylene glycol flame resisting hydraulic fluid concentrate and hydraulic fluid composition
  • Water-ethylene glycol flame resisting hydraulic fluid concentrate and hydraulic fluid composition

Examples

Experimental program
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Effect test

example 1

[0045] Example 1 water-ethylene glycol flame retardant hydraulic fluid concentrate

[0046] Firstly, the component (e) oily (friction reducer) agent of the water-ethylene glycol flame retardant hydraulic fluid concentrate composition of the present invention is prepared. Add 50w% oleic acid and 50w% triethanolamine into a mixing tank with a stirrer, and stir at 70-90°C for 0.5-1h to obtain component (e) of the composition of the present invention. The concentrated composition is then blended according to the recipe below.

[0047] Example 1 recipe

[0048]

example 2

[0049] Example 2 water-ethylene glycol flame retardant hydraulic fluid composition

[0050] First prepare the base fluid of the water-glycol flame retardant hydraulic fluid concentrate composition of the present invention. In the blending kettle with agitator, add 43.5w% deionized water, 43.5w% ethylene glycol, and add 13w% tackifier water-soluble polyether (commercially available product code KE-1), at 40-50 Stir at ℃ for 1-2h to obtain the WG-38 base liquid of the composition of the present invention. Then adjust the hydraulic fluid composition according to the following formula.

[0051] Example 2 recipe

[0052]

example 3

[0053] Example 3 water-ethylene glycol flame retardant hydraulic fluid concentrate

[0054] Firstly, the component (e) oily (friction reducer) agent of the water-ethylene glycol flame retardant hydraulic fluid concentrate composition of the present invention is prepared. Add 50w% oleic acid and 50w% diethanolamine into a mixing tank with a stirrer, and stir at 70-90°C for 0.5-1h to obtain component (e) of the composition of the present invention. The concentrated composition is then blended according to the recipe below.

[0055] Example 3 recipe

[0056]

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Abstract

The invention provides a non-flammable hydraulic fluid concentration of water-glycol, comprising the following components on the basis of concentration gross weight: water with 5-30w % content; glycol with 5-30w content; at least one pH value regulator of self-select borax, monopotassium phosphate and dipotassium hydrogen phosphate, with 1-10w% content; at least one C6 to C24 unsaturated fatty acid antiwear agent with 1-15w% content; at least one unctuous agent produced by reaction of oleic acid or stearic acid and diethanolameine or trolamine, with 10-50w% content; at least one antirust of diethanolameine or trolamine, with 10-40w% content, and corrosion inhibitor with 0.5 to 10w% content. The concentration can be mixed into suitable basal liquid to obtain hydraulic fluid composition with good lubricity, antiwear property, noncorrosibility, rust prevention property, oxidation stability and antifoaming property.

Description

technical field [0001] The invention relates to a water-based flame retardant hydraulic fluid composition, more precisely a water-glycol flame retardant hydraulic fluid concentrate and a hydraulic fluid composition prepared from the concentrate. technical background [0002] Hydraulic technology is one of the key technologies to realize modern transmission and control. Compared with other transmissions, hydraulic transmission has the characteristics of compact structure, sensitive response, and easy operation automation. Hydraulic oil (fluid) is an important part of hydraulic technology. In the hydraulic system, it plays the role of energy transmission, system lubrication, anti-corrosion, anti-rust, cooling and so on. At present, with the continuous improvement of imported equipment and domestic mechanical equipment manufacturing level, the working conditions of hydraulic equipment are becoming increasingly harsh, and higher requirements are put forward for the performance o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M145/24C10M125/24C10M129/26C10M133/08C10M125/26C10N30/06C10N30/12C10N40/08
Inventor 李云鹏
Owner CHINA PETROLEUM & CHEM CORP
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