CN112694939A - Hydrophilic oil special for centrifugal pumps in outdoor and humid areas and preparation method thereof - Google Patents
Hydrophilic oil special for centrifugal pumps in outdoor and humid areas and preparation method thereof Download PDFInfo
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- CN112694939A CN112694939A CN202110074662.3A CN202110074662A CN112694939A CN 112694939 A CN112694939 A CN 112694939A CN 202110074662 A CN202110074662 A CN 202110074662A CN 112694939 A CN112694939 A CN 112694939A
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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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- 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
- C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
-
- 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
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
-
- 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
- C10M2209/102—Polyesters
- C10M2209/1023—Polyesters used as base material
-
- 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
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
-
- 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
- C10M2215/223—Five-membered rings containing nitrogen and carbon 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/043—Ammonium or amine salts thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides hydrophilic oil special for centrifugal pumps in outdoor and humid areas, which comprises the following components in percentage by weight: the base oil comprises base oil and additives, wherein the addition amount of the additives is 3.075-6.52% of the base oil, and the base oil at least comprises three components: 75-85% of polyether, 10-15% of polyester, alcohol: 5% -10%, the additive comprises at least five components: 0.2 to 1 percent of ashless type multifunctional additive with functions of anti-wear, anti-rust and anti-oxidation, 2 to 5 percent of HLB value regulator, 0.02 to 0.8 percent of high anti-rust additive, 0.005 to 0.02 percent of high water-resistant composite anti-foaming agent and 0.05 to 0.5 percent of multifunctional anti-corrosion additive. The product of the invention can still well protect equipment under the condition of entering moisture, so that the equipment can maintain good lubrication and can still normally run.
Description
Technical Field
The invention belongs to the technical field of chemical industry, and particularly relates to hydrophilic oil special for centrifugal pumps in outdoor and humid areas and a preparation method thereof.
Background
The centrifugal pump is the most widely applied one of various hydraulic machines and is the machine which is most closely connected with daily life and production activities, in recent years, the application of the centrifugal pump in water supply and drainage and agricultural engineering, petroleum industry, aerospace and navigation engineering is more and more extensive, the occupied proportion of the centrifugal pump is larger originally, the centrifugal pump belongs to the role of a heart in the process of transporting raw materials, and irrecoverable loss can occur once the centrifugal pump fails. Especially in the fields of water supply and drainage, agricultural engineering, aerospace and navigation engineering, which are contacted with water and have humid environment, the existence of water is easy to enter a lubricating system to cause the lubrication failure of equipment, therefore, the centrifugal pump oil has more special requirements than other lubricating oil, no special oil special for the centrifugal pump exists at present, the lubricating oil used for the centrifugal pump at present is mainly replaced by antiwear hydraulic oil, the quality index of the anti-wear hydraulic oil can not meet the special requirement of the centrifugal pump, the requirement of the anti-wear hydraulic oil on the moisture is rapid separation, the oil tanks of the centrifugal pump are few, the continuous operation can not provide enough settling time for oil products in the centrifugal pump, therefore, the water is unevenly distributed in the lubrication system, the lubrication film is easily damaged, the lubrication system is damaged, the equipment is worn, and the entering of the water also causes the damage of the anti-foaming property and the rusting of the equipment. The hydrophilic oil special for the centrifugal pump in the outdoor and humid areas can well solve the problems.
Disclosure of Invention
In order to solve the problems, the invention provides hydrophilic oil special for centrifugal pumps in outdoor and humid areas and a preparation method thereof.
The technical scheme of the invention is realized as follows: a hydrophilic oil special for centrifugal pumps in outdoor and humid areas comprises the following components in percentage by weight: the base oil comprises base oil and additives, wherein the addition amount of the additives is 3.075-6.52% of the base oil, and the base oil at least comprises three components: 75-85% of polyether, 10-15% of polyester, alcohol: 5% -10%, the additive comprises at least five components: 0.2 to 1 percent of ashless type anti-wear, anti-rust and anti-oxidation multifunctional additive, 2 to 5 percent of HLB value regulator, 0.02 to 0.8 percent of high anti-rust additive, 0.005 to 0.02 percent of high water-resistant composite anti-foaming agent and 0.05 to 0.5 percent of multifunctional anti-corrosion additive;
preferably, the composition comprises the following components in percentage by weight: a base oil and an additive, the amount of additive being 4.6% of the base oil, the base oil comprising at least three components: polyether 80%, polyester 12%, alcohol: 8%, and the additive at least comprises five components: 0.8 percent of ashless type multifunctional additive with functions of anti-wear, anti-rust and anti-oxidation, 3 percent of HLB value regulator, 0.4 percent of high anti-rust additive, 0.1 percent of high water-resistant composite anti-foaming agent and 0.3 percent of multifunctional anti-corrosion additive.
Preferably, the molecular weight of the polyether is 800-1000, and the viscosity at 40 ℃ is 30-70 CST;
preferably, the polyester is an ester-based olefin copolymer;
preferably, the alcohol is glycol or polyglycol alcohol;
preferably, the ashless type anti-wear, anti-rust and anti-oxidation multifunctional additive is a phosphorus compound consisting of one phosphorus atom, at least one aryl or alkyl group and other active groups, such as CI-, or OH-;
preferably, the high antirust additive is a thixotropic pasty calcium-based antirust agent;
preferably, the high water resistance composite antifoaming agent is compounded by a high-performance water resistance organosilicon type antifoaming agent and a three-dimensional synthetic hydrocarbon antifoaming agent;
preferably, the multifunctional preservative additive is benzotriazole preservative;
also provides a method for preparing the hydrophilic oil special for the centrifugal pump in outdoor and humid areas, which comprises the following steps:
(1) adding polyether, polyester and alcohol into a reaction kettle, heating to 45-65 ℃, and stirring for 8-10 minutes;
(2) sequentially adding an ashless anti-wear, anti-rust and anti-oxidation multifunctional additive, an HLB (hydrophile-lipophile balance) value regulator, a high anti-rust additive, a high water-resistance composite anti-foaming agent and a multifunctional anti-corrosion additive, stirring at the constant temperature of 60-70 ℃ for 60 minutes, and filtering by a filter bag of 1 mu m to obtain a finished product.
The polyether can adopt No. 50 polyether, the polyether is a polymer with hydroxyl as a terminal group, and the viscosity at 40 ℃ is 50 cst.
The polyester is an ester-based olefin copolymer, so that the polyester has the comprehensive performance of IV-type and V-type base oil, and the unique characteristic ensures that the polyester has excellent solubility to additives, can greatly reduce abrasion, prevent foam from forming and can form a hard and durable lubricating film in various materials; preferred polyester No. 30: v40=332mm2/s, VI =159, flash point =290 ℃, pour point-40 ℃, acid number =0.02 mgKOH/g;
the alcohol is glycol or polyglycol alcohol, preferably terylene grade glycol;
the HLB value regulator is used for regulating the HLB value of the final product so as to well disperse the water in the product.
A high-water-resistance composite anti-foaming agent is a No. 4 composite anti-foaming agent, and is formed by compounding a high-performance water-resistance organosilicon type anti-foaming agent and a three-dimensional synthetic hydrocarbon anti-foaming agent, so that the problems that a common lubricating oil anti-foaming agent is poor in water resistance, and is quickly inactivated, rapidly increased in foam and incapable of being inhibited in the presence of water are solved.
The method for preparing the hydrophilic oil special for the centrifugal pump in the outdoor and humid areas comprises the following steps:
(1) adding polyether, polyester and alcohol into a reaction kettle, heating to 45-65 ℃, and stirring for 8-10 minutes;
(2) sequentially adding an ashless anti-wear, anti-rust and anti-oxidation multifunctional additive, an HLB (hydrophile-lipophile balance) value regulator, a high anti-rust additive, a high water-resistance composite anti-foaming agent and a multifunctional anti-corrosion additive, stirring at the constant temperature of 60-70 ℃ for 60 minutes, and filtering by a filter bag of 1 mu m to obtain a finished product.
The invention has the beneficial effects that: the invention has the advantages of excellent water dispersibility, anti-bubble retention, high wear resistance, high rust resistance under the condition of moisture, excellent low-temperature performance, excellent oxidation resistance, excellent temperature control performance, long service cycle and long water-resistant decay time.
Detailed Description
For better understanding and implementation, the following detailed description describes a hydrophilic oil special for centrifugal pumps in outdoor and humid areas and a preparation method thereof:
example 1: a special hydrophilic oil for centrifugal pumps in outdoor and humid areas is prepared from 800kg of polyether 50, 120kg of polyester 30, 80kg of ethylene glycol, 8kg of aryl phosphate mixed ammonium salt, 30kg of alkoxylated fatty alcohol, 4kg of ALOX 2290AS, 1kg of a high water resistance composite antifoaming agent No. 4 and 3kg of benzotriazole.
The preparation method comprises the following steps: (1) adding 800kg of polyether 50, 120kg of polyester 30 and 80kg of ethylene glycol into a reaction kettle, heating to 45-65 ℃, and stirring for 8-10 minutes;
(2) 8kg of aryl phosphate mixed ammonium salt, 30kg of alkoxylated fatty alcohol, 1kg of ALOX 2290AS 4, 1kg of No. 4 high water resistance composite antifoaming agent and 3kg of benzotriazole are sequentially added, the mixture is stirred at the constant temperature of 60-70 ℃ for 60 minutes, and the mixture is filtered by a filter bag with the diameter of 1 mu m to obtain a finished product.
(3) Quality index
Note 1: testing the water dispersibility: the mixture of 40ml water and 40ml hydrophilic oil specially used for centrifugal pumps in outdoor and humid areas is mechanically stirred for 5 minutes in a water bath at 54 ℃ at the rotating speed of 1500rpm, then is kept stand, and the layering condition of a water-oil mixing interface is observed and recorded along with the lapse of time, wherein the water layer is 0 within 1h, the oil layer is less than or equal to 2ml, the dispersion layer is more than or equal to 78ml, the mixture is a high-grade, and the water layer is more than 1 within 1h, the oil layer is more than 4ml, and the dispersion layer is less than or equal to 75 ml.
Comparative example 1: the common hydraulic oil of the centrifugal pump in the prior art is selected, and the internal components of the hydraulic oil are as follows: mineral base oil, and additives such as ZDDP, phosphate ester, phenolic antioxidant, metal deactivator T551, antifoaming agent 901, and demulsifier DL-32. The quality indexes are as follows:
quality index
Note 1: testing the water dispersibility: the mixture of 40ml water and 40ml hydrophilic oil specially used for centrifugal pumps in outdoor and humid areas is mechanically stirred for 5 minutes in a water bath at 54 ℃ at the rotating speed of 1500rpm, then is kept stand, and the layering condition of a water-oil mixing interface is observed and recorded along with the lapse of time, wherein the water layer is 0 within 1h, the oil layer is less than or equal to 2ml, the dispersion layer is more than or equal to 78ml, the mixture is a high-grade, and the water layer is more than 1 within 1h, the oil layer is more than 4ml, and the dispersion layer is less than or equal to 75 ml.
The viscosity-temperature performance, low-temperature performance, water dispersibility, anti-foaming retentivity and high anti-wear retentivity of the anti-wear hydraulic oil can be seen from the indexes of the anti-wear hydraulic oil, and the requirements of the invention are far not met.
From the two tables, the hydrophilic oil special for the centrifugal pump in the outdoor and humid areas has little influence on the anti-foaming performance of the hydrophilic oil, has larger influence on anti-abrasion hydraulic oil, greatly reduces the foaming tendency and defoaming capability, and can cause the pump to form an ineffective lubricating film in the running process and cause the oil to overflow from a mailbox to damage the centrifugal pump equipment due to the existence of foam.
The hydrophilic oil special for the centrifugal pump in the outdoor and humid areas has small influence on the abrasion resistance, has larger influence on the anti-abrasion hydraulic oil, increases the diameter of the abrasion spot by times, greatly reduces the abrasion resistance, and can not effectively protect the bearing of the centrifugal pump, so that the equipment is abraded.
The invention has excellent low-temperature performance, excellent oxidation resistance, excellent temperature control performance, excellent water dispersibility, anti-bubble retentivity, high anti-wear retentivity, high anti-rust performance under the condition of moisture, high anti-wear retentivity and anti-bubble retentivity, so that the water-resistant and anti-decay time of the centrifugal pump is long, the service life of the centrifugal pump is long, and the special requirements of the centrifugal pump in an outdoor or humid place can be met.
Claims (10)
1. The special hydrophilic oil for the centrifugal pump in outdoor and humid areas is characterized by comprising the following components in percentage by weight: the base oil comprises base oil and additives, wherein the addition amount of the additives is 3.075-6.52% of the base oil, and the base oil at least comprises three components: 75-85% of polyether, 10-15% of polyester, alcohol: 5% -10%, the additive comprises at least five components: 0.2 to 1 percent of ashless type multifunctional additive with functions of anti-wear, anti-rust and anti-oxidation, 2 to 5 percent of HLB value regulator, 0.02 to 0.8 percent of high anti-rust additive, 0.005 to 0.02 percent of high water-resistant composite anti-foaming agent and 0.05 to 0.5 percent of multifunctional anti-corrosion additive.
2. The hydrophilic oil special for centrifugal pumps in outdoor and humid areas according to claim 1, characterized by comprising the following components in percentage by weight: a base oil and an additive, the amount of additive being 4.6% of the base oil, the base oil comprising at least three components: polyether 80%, polyester 12%, alcohol: 8%, and the additive at least comprises five components: 0.8 percent of ashless type multifunctional additive with functions of anti-wear, anti-rust and anti-oxidation, 3 percent of HLB value regulator, 0.4 percent of high anti-rust additive, 0.1 percent of high water-resistant composite anti-foaming agent and 0.3 percent of multifunctional anti-corrosion additive.
3. The hydrophilic oil for centrifugal pumps in outdoor and humid areas as claimed in claim 1 or 2, wherein the molecular weight of said polyether is 800-.
4. A hydrophilic oil for centrifugal pumps in outdoor and wet areas according to claim 1 or 2, characterised in that said polyester is an ester-based olefin copolymer.
5. The hydrophilic oil special for the centrifugal pump in the outdoor and wet areas as claimed in claim 1 or 2, wherein the alcohol is glycol or polyglycol alcohol.
6. A hydrophilic oil for centrifugal pump applications outdoors and in wet areas according to claim 1 or 2, wherein said ashless, anti-wear, anti-rust, anti-oxidant, multifunctional additive is a phosphorus-based compound consisting of a phosphorus atom, at least one aryl or alkyl group, and other reactive groups such as CI "or OH".
7. The hydrophilic oil special for centrifugal pumps in outdoor and wet areas according to claim 1 or 2, wherein the high rust preventive additive is a thixotropic pasty calcium-based rust preventive.
8. The hydrophilic oil special for centrifugal pumps in outdoor and wet areas as claimed in claim 1 or 2, wherein the high water-resistant composite antifoaming agent is compounded by a high-performance water-resistant silicone-type antifoaming agent and a three-dimensional synthetic hydrocarbon antifoaming agent.
9. The hydrophilic oil special for the centrifugal pumps in the outdoor and wet areas according to claim 1 or 2, wherein the multifunctional preservative additive is benzotriazole preservative.
10. A method for preparing the hydrophilic oil special for the centrifugal pump in the outdoor and humid areas according to any claim 1 to 9, characterized by comprising the following steps:
(1) adding polyether, polyester and alcohol into a reaction kettle, heating to 45-65 ℃, and stirring for 8-10 minutes;
(2) sequentially adding an ashless anti-wear, anti-rust and anti-oxidation multifunctional additive, an HLB (hydrophile-lipophile balance) value regulator, a high anti-rust additive, a high water-resistance composite anti-foaming agent and a multifunctional anti-corrosion additive, stirring at the constant temperature of 60-70 ℃ for 60 minutes, and filtering by a filter bag of 1 mu m to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074662.3A CN112694939B (en) | 2021-01-20 | 2021-01-20 | Hydrophilic oil special for centrifugal pumps in outdoor and humid areas and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074662.3A CN112694939B (en) | 2021-01-20 | 2021-01-20 | Hydrophilic oil special for centrifugal pumps in outdoor and humid areas and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112694939A true CN112694939A (en) | 2021-04-23 |
| CN112694939B CN112694939B (en) | 2022-12-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001089786A (en) * | 1999-07-21 | 2001-04-03 | Nsk Ltd | Lubricant-supplying material |
| CN108913307A (en) * | 2018-07-25 | 2018-11-30 | 烟台恒邦化工有限公司 | A kind of food-grade Ashless type long-life antiwear hydraulic oil and preparation method thereof |
| CN111690457A (en) * | 2020-07-08 | 2020-09-22 | 卡松科技股份有限公司 | Synthetic environment-friendly refrigerator oil |
-
2021
- 2021-01-20 CN CN202110074662.3A patent/CN112694939B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001089786A (en) * | 1999-07-21 | 2001-04-03 | Nsk Ltd | Lubricant-supplying material |
| CN108913307A (en) * | 2018-07-25 | 2018-11-30 | 烟台恒邦化工有限公司 | A kind of food-grade Ashless type long-life antiwear hydraulic oil and preparation method thereof |
| CN111690457A (en) * | 2020-07-08 | 2020-09-22 | 卡松科技股份有限公司 | Synthetic environment-friendly refrigerator oil |
Non-Patent Citations (3)
| Title |
|---|
| 北京联合润华科技公司: "《车用润滑油宝典》", 31 March 2003, 中国石化出版社 * |
| 欧风: "《石油产品应用技术手册》", 30 June 1998, 中国石化出版社 * |
| 颜志光: "《新型润滑材料与润滑技术实用手册》", 28 February 1999, 国防工业出版社 * |
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