CN113621434A - Preparation method of water glycol fire-retardant hydraulic fluid - Google Patents
Preparation method of water glycol fire-retardant hydraulic fluid Download PDFInfo
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- CN113621434A CN113621434A CN202110949623.3A CN202110949623A CN113621434A CN 113621434 A CN113621434 A CN 113621434A CN 202110949623 A CN202110949623 A CN 202110949623A CN 113621434 A CN113621434 A CN 113621434A
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000003063 flame retardant Substances 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 title claims description 12
- -1 alcohol amine Chemical class 0.000 claims abstract description 43
- TUFHBDDWCJZWIF-UHFFFAOYSA-N 1,3-benzothiazole;sodium Chemical compound [Na].C1=CC=C2SC=NC2=C1 TUFHBDDWCJZWIF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 26
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 26
- 239000003899 bactericide agent Substances 0.000 claims abstract description 26
- 239000013530 defoamer Substances 0.000 claims abstract description 26
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 26
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 26
- 239000004327 boric acid Substances 0.000 claims abstract description 20
- 239000006078 metal deactivator Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000013556 antirust agent Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
- C10M2215/226—Morpholines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention belongs to the technical field of hydraulic oil preparation, and particularly relates to a preparation method of a water-glycol fire-retardant hydraulic fluid, which comprises the following raw material components in part by weight: 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylenbismorpholine.
Description
Technical Field
The invention relates to the technical field of hydraulic oil preparation, in particular to a preparation method of a water-glycol flame-retardant hydraulic oil.
Background
With the progress of coal mining technology, hydraulic equipment is developed to high pressure, high speed, high temperature and large capacity, and the possibility of leakage of a hydraulic medium from a pipeline, a pump, a valve and the like during use is increased. The traditional mineral oil type antiwear hydraulic fluid is flammable, and is easy to cause fire accidents when being used in hydraulic equipment close to high temperature and fire source, thereby causing personal injuries and deaths and property loss. In order to ensure the safety of mines, particularly the safety of coal mine production, the coal mine operation by using a fire-retardant hydraulic fluid is urgently needed.
The existing water-glycol type fire-retardant hydraulic fluid comprises water-glycol type fire-retardant hydraulic fluid, belongs to water-containing media, has the advantages of low price, low toxicity, environmental friendliness, easiness in matching with non-metal materials, better stability than water-in-oil type and oil-in-water type emulsions, easiness in storage, long service life and the like, and is widely regarded.
Disclosure of Invention
The invention aims to provide a preparation method of a water-glycol flame-retardant hydraulic fluid, which aims to solve the problems that the conventional water-glycol flame-retardant hydraulic fluid proposed in the background art needs to be used in a high-temperature environment, and the viscosity retentivity is reduced and the rust prevention performance is reduced when the temperature of the environment for use is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a water-glycol fire-retardant hydraulic fluid comprises the following specific raw material components in proportion: 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylenedimorpholine;
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: placing 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylen dimorpholine for later use;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 30-40min when the temperature of the mixture is raised to 50-60 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 70-90 ℃, and continuously mixing and stirring for 40-50 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 20-30min, and cooling after complete mixing until the temperature is reduced to 30-40 ℃;
step five: and finally, adding a bactericide N into the mixture after cooling, and stirring to obtain the water glycol fire-retardant hydraulic fluid.
Preferably, the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in percentage by weight: 30% of polyester-grade ethylene glycol, 10% of water-soluble polyethylene glycol, 35% of primary reverse osmosis water, 1% of PH stabilizer triethanolamine, 1% of antirust alcohol amine type boric acid ester, 0.1% of metal deactivator benzothiazole sodium, 0.1% of defoamer water-soluble organic silicon and 1% of bactericide N, N-methylenedimorpholine.
Preferably, the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in percentage by weight: 35% of polyester-grade ethylene glycol, 14% of water-soluble polyethylene glycol, 42% of primary reverse osmosis water, 2% of PH stabilizer triethanolamine, 1.5% of antirust alcohol amine type boric acid ester, 0.3% of metal deactivator benzothiazole sodium, 0.2% of defoamer water-soluble organic silicon and 1.5% of bactericide N, N-methylenedimorpholine.
Preferably, the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in percentage by weight: 40% of polyester-grade ethylene glycol, 18% of water-soluble polyethylene glycol, 48% of primary reverse osmosis water, 3% of PH stabilizer triethanolamine, 2% of antirust alcohol amine type boric acid ester, 0.6% of metal deactivator benzothiazole sodium, 0.3% of defoamer water-soluble organic silicon and 2% of bactericide N, N-methylenedimorpholine.
Compared with the prior art, the invention has the beneficial effects that:
the water-glycol flame-retardant hydraulic fluid produced by the joint cooperation of polyester-grade glycol, water-soluble polyethylene glycol, primary reverse osmosis water, a PH stabilizer triethanolamine, an antirust alcohol amine type boric acid ester, a metal deactivator sodium benzothiazole, a defoamer water-soluble organic silicon, a bactericide N and N-methylene dimorpholine has excellent low-temperature performance, and has excellent viscosity retentivity and excellent antirust performance even if used in a low-temperature environment.
Drawings
FIG. 1 is a flow chart of the specific production steps of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution: a preparation method of a water-glycol fire-retardant hydraulic fluid comprises the following specific raw material components in proportion: 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylenedimorpholine;
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: placing 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylen dimorpholine for later use;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 30-40min when the temperature of the mixture is raised to 50-60 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 70-90 ℃, and continuously mixing and stirring for 40-50 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 20-30min, and cooling after complete mixing until the temperature is reduced to 30-40 ℃;
step five: and finally, adding a bactericide N into the mixture after cooling, and stirring to obtain the water glycol fire-retardant hydraulic fluid.
The water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 30% of polyester-grade ethylene glycol, 10% of water-soluble polyethylene glycol, 35% of primary reverse osmosis water, 1% of PH stabilizer triethanolamine, 1% of antirust alcohol amine type boric acid ester, 0.1% of metal deactivator benzothiazole sodium, 0.1% of defoamer water-soluble organic silicon and 1% of bactericide N, N-methylenedimorpholine.
The water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 35% of polyester-grade ethylene glycol, 14% of water-soluble polyethylene glycol, 42% of primary reverse osmosis water, 2% of PH stabilizer triethanolamine, 1.5% of antirust alcohol amine type boric acid ester, 0.3% of metal deactivator benzothiazole sodium, 0.2% of defoamer water-soluble organic silicon and 1.5% of bactericide N, N-methylenedimorpholine.
The water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 40% of polyester-grade ethylene glycol, 18% of water-soluble polyethylene glycol, 48% of primary reverse osmosis water, 3% of PH stabilizer triethanolamine, 2% of antirust alcohol amine type boric acid ester, 0.6% of metal deactivator benzothiazole sodium, 0.3% of defoamer water-soluble organic silicon and 2% of bactericide N, N-methylenedimorpholine.
Example 1:
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: placing 30% of polyester-grade ethylene glycol, 10% of water-soluble polyethylene glycol, 35% of first-grade reverse osmosis water, 1% of PH stabilizer triethanolamine, 1% of antirust alcohol amine type boric acid ester, 0.1% of metal deactivator benzothiazole sodium, 0.1% of defoamer water-soluble organic silicon and 1% of bactericide N, N-methylenedimorpholine for later use;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 30min when the temperature of the mixture is raised to 50 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 70 ℃, and continuously mixing and stirring for 40 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 20min, and cooling after completely mixing until the temperature is reduced to 30 ℃;
step five: finally, adding a bactericide N into the mixture after cooling, and stirring to obtain water glycol fire-retardant hydraulic fluid;
example 2:
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: placing 35% of polyester-grade ethylene glycol, 14% of water-soluble polyethylene glycol, 42% of first-grade reverse osmosis water, 2% of PH stabilizer triethanolamine, 1.5% of antirust alcohol amine type boric acid ester, 0.3% of metal deactivator benzothiazole sodium, 0.2% of defoamer water-soluble organic silicon and 1.5% of bactericide N, N-methylenedimorpholine for later use;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 35min when the temperature of the mixture is raised to 55 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 80 ℃, and continuously mixing and stirring for 45 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 25min, and cooling after completely mixing until the temperature is reduced to 35 ℃;
step five: finally, adding a bactericide N into the mixture after cooling, and stirring to obtain water glycol fire-retardant hydraulic fluid;
example 3:
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: 40% of polyester-grade ethylene glycol, 18% of water-soluble polyethylene glycol, 48% of primary reverse osmosis water, 3% of PH stabilizer triethanolamine, 2% of antirust alcohol amine type boric acid ester, 0.6% of metal deactivator benzothiazole sodium, 0.3% of defoamer water-soluble organic silicon and 2% of bactericide N, N-methylenedimorpholine;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 40min when the temperature of the mixture is raised to 60 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 90 ℃, and continuously mixing and stirring for 50 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 30min, and cooling after completely mixing until the temperature is reduced to 40 ℃;
step five: and finally, adding a bactericide N into the mixture after cooling, and stirring to obtain the water glycol fire-retardant hydraulic fluid.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The preparation method of the water-glycol fire-retardant hydraulic fluid is characterized in that the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in percentage by weight: 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylenedimorpholine;
the water-glycol flame-retardant hydraulic fluid is prepared by the following steps:
the method comprises the following steps: placing 30-40% of polyester-grade ethylene glycol, 10-18% of water-soluble polyethylene glycol, 35-48% of first-grade reverse osmosis water, 1-3% of PH stabilizer triethanolamine, 1-2% of antirust alcohol amine type boric acid ester, 0.1-0.6% of metal deactivator sodium benzothiazole, 0.1-0.3% of defoamer water-soluble organic silicon and 1-2% of bactericide N, N-methylen dimorpholine for later use;
step two: respectively pouring polyester-grade ethylene glycol, water-soluble polyethylene glycol and first-grade reverse osmosis water into a container, continuously heating the mixture by a heating device, and continuously stirring for 30-40min when the temperature of the mixture is raised to 50-60 ℃;
step three: adding a pH stabilizer triethanolamine and an antirust agent alkanolamine type borate into the mixture obtained in the step two, increasing the reaction temperature to 70-90 ℃, and continuously mixing and stirring for 40-50 min;
step four: adding metal passivator sodium benzothiazole, defoamer water-soluble organic silicon and N-methylene dimorpholine into the mixture obtained in the third step, stirring and mixing for 20-30min, and cooling after complete mixing until the temperature is reduced to 30-40 ℃;
step five: and finally, adding a bactericide N into the mixture after cooling, and stirring to obtain the water glycol fire-retardant hydraulic fluid.
2. The method for preparing a water glycol fire-retardant hydraulic fluid according to claim 1, wherein the method comprises the following steps: the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 30% of polyester-grade ethylene glycol, 10% of water-soluble polyethylene glycol, 35% of primary reverse osmosis water, 1% of PH stabilizer triethanolamine, 1% of antirust alcohol amine type boric acid ester, 0.1% of metal deactivator benzothiazole sodium, 0.1% of defoamer water-soluble organic silicon and 1% of bactericide N, N-methylenedimorpholine.
3. The method for preparing a water glycol fire-retardant hydraulic fluid according to claim 1, wherein the method comprises the following steps: the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 35% of polyester-grade ethylene glycol, 14% of water-soluble polyethylene glycol, 42% of primary reverse osmosis water, 2% of PH stabilizer triethanolamine, 1.5% of antirust alcohol amine type boric acid ester, 0.3% of metal deactivator benzothiazole sodium, 0.2% of defoamer water-soluble organic silicon and 1.5% of bactericide N, N-methylenedimorpholine.
4. The method for preparing a water glycol fire-retardant hydraulic fluid according to claim 1, wherein the method comprises the following steps: the water-glycol fire-retardant hydraulic fluid comprises the following raw materials in parts by weight: 40% of polyester-grade ethylene glycol, 18% of water-soluble polyethylene glycol, 48% of primary reverse osmosis water, 3% of PH stabilizer triethanolamine, 2% of antirust alcohol amine type boric acid ester, 0.6% of metal deactivator benzothiazole sodium, 0.3% of defoamer water-soluble organic silicon and 2% of bactericide N, N-methylenedimorpholine.
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