CN110938484A - Novel lubricating oil defoaming agent - Google Patents
Novel lubricating oil defoaming agent Download PDFInfo
- Publication number
- CN110938484A CN110938484A CN201911230769.1A CN201911230769A CN110938484A CN 110938484 A CN110938484 A CN 110938484A CN 201911230769 A CN201911230769 A CN 201911230769A CN 110938484 A CN110938484 A CN 110938484A
- Authority
- CN
- China
- Prior art keywords
- lubricating oil
- added
- defoaming agent
- oil
- foam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
-
- 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
- C10M2201/085—Phosphorus oxides, acids or salts
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
-
- 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
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
Landscapes
- 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 relates to a novel lubricating oil defoaming agent, belonging to a defoaming agent. The composite material consists of the following raw materials in parts by volume: 0.2-0.5 part of methyl silicone oil, 0.5-1.0 part of oleic acid, 0.3-0.6 part of ethyl acrylate, 0.2-0.4 part of ethylene glycol, 0.1-0.3 part of sodium tripolyphosphate and 0.1-0.3 part of mannitol. The advantages are that: the product of the invention can be added in the running process of the generator set when the oil quality of the lubricating oil is degraded and the foam characteristic value is obviously not in accordance with the requirement, thereby improving the foam characteristic value of the lubricating oil. The lubricating oil pump can be used when a unit operates, so that the cost loss caused by stopping the machine to process lubricating oil is avoided; the defoaming capability is strong, and the foam can be effectively eliminated when the using amount is less; the basic performance of a defoamed system is not influenced after the defoamer is added; the safety production reliability is improved. Aiming at the requirement of a power generation enterprise, the lubricating oil is added in the running process of the unit, the addition amount is small, the effect of improving the soup soaking characteristic of the lubricating oil is obvious, and the safe and stable running of the unit can be ensured.
Description
Technical Field
The invention belongs to a defoaming agent, which is mainly applied to a lubricating oil system of a generator set.
Background
Large steam turbine generator units in thermal power plants are one of the important power generation facilities. As a mechanical device operating at high speed, a lubricating oil system is an important guarantee. The turbine lubricating oil system is mainly used for providing lubricating oil for bearings of a turbo generator unit, providing sealing oil for a generator hydrogen sealing system and providing a sufficient oil source for an oil pump of a top shaft device. In the process, the serious degradation of the lubricating oil quality can lead to the serious consequences of machine set shutdown, equipment damage and the like. When the oil quality of the lubricating oil is degraded and the foam characteristic value obviously does not meet the requirement, a lubricating oil defoaming agent can be added in the running process of the unit, so that the foam characteristic value of the lubricating oil is improved.
The treatment of lubricating oils of deteriorated quality is now a common practice in the industry. The following antifoaming agents are mainly used at present: natural lipid defoaming agents, ether defoaming agents, silicon defoaming agents; each of these classes of defoaming agents has its advantages and disadvantages. After the lubricating oil in the power plant is degraded, the oil is treated mainly in the state that the equipment does not stop running, so that the normal operation of production is ensured. But at present, the production process usually needs to be stopped for adding, and the addition amount is large, so that the influence on normal production is brought.
Disclosure of Invention
The invention provides a novel lubricating oil defoaming agent, which aims to solve the problems that the normal production is affected due to the fact that the conventional lubricating oil defoaming agent needs to be added in a stopped manner and is added in a large amount.
The technical scheme adopted by the invention is as follows: the composite material consists of the following raw materials in parts by volume:
0.2-0.5 part of methyl silicone oil;
0.5-1.0 part of oleic acid;
0.3-0.6 part of ethyl acrylate;
0.2-0.4 part of ethylene glycol;
0.1-0.3 part of sodium tripolyphosphate;
0.1 to 0.3 portion of mannitol.
Preferably: the composite material consists of the following raw materials in parts by volume:
0.4 part of methyl silicone oil;
0.7 part of oleic acid;
0.5 part of ethyl acrylate;
0.3 parts of ethylene glycol;
0.2 part of sodium tripolyphosphate;
0.2 part of mannitol.
The invention has the advantages that: the product of the invention can be added in the running process of the generator set when the oil quality of the lubricating oil is degraded and the foam characteristic value is obviously not in accordance with the requirement, thereby improving the foam characteristic value of the lubricating oil. The lubricating oil pump can be used when a unit operates, so that the cost loss caused by stopping the machine to process lubricating oil is avoided; the defoaming capability is strong, and the foam can be effectively eliminated when the using amount is less; the basic performance of a defoamed system is not influenced after the defoamer is added; the surface tension balance is good, the diffusivity and the permeability are good, the gas solubility and the permeability are good, the defoaming effect is long-time, and the storage stability is good. The method is suitable for treating the degraded lubricating oil in operation, ensures that the defoaming agent is added in the process of not stopping the equipment operation, and improves the quality of the lubricating oil. The lubricating oil additive is used for improving the indexes of degraded lubricating oil, prolonging the service life of the lubricating oil and improving the reliability of safe production. Aiming at the requirement of a power generation enterprise, the lubricating oil is added in the running process of the unit, the addition amount is small, the effect of improving the soup soaking characteristic of the lubricating oil is obvious, and the safe and stable running of the unit can be ensured.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1
The composite material consists of the following raw materials in parts by volume:
0.2 part of methyl silicone oil;
0.5 part of oleic acid;
0.3 part of ethyl acrylate;
0.2 part of ethylene glycol;
0.1 part of sodium tripolyphosphate;
0.1 part of mannitol.
Example 2
The composite material consists of the following raw materials in parts by volume:
0.4 part of methyl silicone oil;
0.7 part of oleic acid;
0.5 part of ethyl acrylate;
0.3 parts of ethylene glycol;
0.2 part of sodium tripolyphosphate;
0.2 part of mannitol.
Example 3
The composite material consists of the following raw materials in parts by volume:
0.5 part of methyl silicone oil;
1.0 part of oleic acid;
0.6 part of ethyl acrylate;
0.4 part of ethylene glycol;
0.3 part of sodium tripolyphosphate;
0.3 part of mannitol.
The invention is widely applied to the turbine oil system of a power plant, and the effect of the invention is illustrated by comparing experimental results before and after adding an oil sample.
As can be seen from the table above, the defoaming capability is strong, foams can be effectively eliminated when the using amount is small, and the basic performance of a defoamed system is not influenced after the defoamer is added.
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 (2)
1. The novel lubricating oil defoaming agent is characterized by comprising the following raw materials in parts by volume:
0.2-0.5 part of methyl silicone oil;
0.5-1.0 part of oleic acid;
0.3-0.6 part of ethyl acrylate;
0.2-0.4 part of ethylene glycol;
0.1-0.3 part of sodium tripolyphosphate;
0.1 to 0.3 portion of mannitol.
2. The novel lubricating oil antifoaming agent according to claim 1 is characterized by comprising the following raw materials in parts by volume:
0.4 part of methyl silicone oil;
0.7 part of oleic acid;
0.5 part of ethyl acrylate;
0.3 parts of ethylene glycol;
0.2 part of sodium tripolyphosphate;
0.2 part of mannitol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911230769.1A CN110938484A (en) | 2019-12-04 | 2019-12-04 | Novel lubricating oil defoaming agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911230769.1A CN110938484A (en) | 2019-12-04 | 2019-12-04 | Novel lubricating oil defoaming agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110938484A true CN110938484A (en) | 2020-03-31 |
Family
ID=69909541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911230769.1A Pending CN110938484A (en) | 2019-12-04 | 2019-12-04 | Novel lubricating oil defoaming agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110938484A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584294A (en) * | 2022-10-26 | 2023-01-10 | 中国石油化工股份有限公司 | Defoaming agent for lubricating oil, preparation method of defoaming agent and lubricating oil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036782A (en) * | 1988-04-09 | 1989-11-01 | 山东大学 | The production method of industrial silicone antifoam agent |
| CN102766515A (en) * | 2012-05-31 | 2012-11-07 | 天长市润达金属防锈助剂有限公司 | Microemulsion-type cutting fluid with good defoaming performance |
| CN103589480A (en) * | 2013-11-18 | 2014-02-19 | 吉林省电力科学研究院有限公司 | Novel fire-resistant oil additive |
| CN106390533A (en) * | 2016-11-01 | 2017-02-15 | 合肥新万成环保科技有限公司 | Organosilicon defoamer with bactericidal action |
| CN106669237A (en) * | 2016-12-14 | 2017-05-17 | 东至绿洲环保化工有限公司 | Organic silicon defoamer containing sodium tripolyphosphate |
-
2019
- 2019-12-04 CN CN201911230769.1A patent/CN110938484A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036782A (en) * | 1988-04-09 | 1989-11-01 | 山东大学 | The production method of industrial silicone antifoam agent |
| CN102766515A (en) * | 2012-05-31 | 2012-11-07 | 天长市润达金属防锈助剂有限公司 | Microemulsion-type cutting fluid with good defoaming performance |
| CN103589480A (en) * | 2013-11-18 | 2014-02-19 | 吉林省电力科学研究院有限公司 | Novel fire-resistant oil additive |
| CN106390533A (en) * | 2016-11-01 | 2017-02-15 | 合肥新万成环保科技有限公司 | Organosilicon defoamer with bactericidal action |
| CN106669237A (en) * | 2016-12-14 | 2017-05-17 | 东至绿洲环保化工有限公司 | Organic silicon defoamer containing sodium tripolyphosphate |
Non-Patent Citations (2)
| Title |
|---|
| 窦鹏等: "电厂用涡轮机油复配消泡剂的制备及其性能评价", 《润滑油》 * |
| 陈旭: "电厂运行中汽轮机油起泡原因分析及应对措施", 《冶金动力》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584294A (en) * | 2022-10-26 | 2023-01-10 | 中国石油化工股份有限公司 | Defoaming agent for lubricating oil, preparation method of defoaming agent and lubricating oil |
| CN115584294B (en) * | 2022-10-26 | 2024-03-19 | 中国石油化工股份有限公司 | Defoaming agent for lubricating oil, preparation method of defoaming agent and lubricating oil |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200331 |
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