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Method for preparing lube oil detergent of calcium nitrate in high base number

A high-basic value calcium sulfonate and lubricating oil technology, applied in lubricating compositions, additives, petroleum industry, etc., can solve the problems of difficult control of product quality, wide particle size distribution, long reaction time, etc., and achieve easy scale-up, raw material Low consumption, high yield and high production efficiency

Inactive Publication Date: 2005-11-16
KARAMAY JINSHAN PETROCHEMICAL LTD CO +1
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of wide particle size distribution, large particle size, long reaction time, difficult control of product quality and low efficiency in the production of carbonate by the traditional kettle method, the present invention proposes a high-basic-value sulfonic acid prepared by a supergravity method A new method of calcium lubricating oil detergent, this method solves technical problems such as the neutralization reaction speed of materials under the condition of high gravity, the control and matching of carbonation and phase inversion process, etc., and the neutralization is completed in the high gravity rotating bed device High alkali value calcium sulfonate lubricating oil detergent with small particle size and uniform distribution of calcium carbonate particles and controllable product quality through multiple reaction processes such as reaction, carbonation, and conversion

Method used

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  • Method for preparing lube oil detergent of calcium nitrate in high base number
  • Method for preparing lube oil detergent of calcium nitrate in high base number
  • Method for preparing lube oil detergent of calcium nitrate in high base number

Examples

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Effect test

Embodiment 1

[0021] Embodiment 1: be 30-35% petroleum ammonium sulfonate, 995 gram calcium hydroxide, 4000 gram organic solvent, 600 gram methyl alcohol with 3000 gram content, after mixing, pour in circulation tank 1 and use pump 3 in liquid circulation Next, enter the rotating bed from the liquid inlet 6 of the rotating bed through the liquid flowmeter 5, close the valve 10, open the valve 9, and make the reaction material circulate in the rotating bed through the circulating tank, the liquid circulation flow rate is 2m / s, and start to heat up , when the temperature reaches 55°C, carbon dioxide gas is introduced according to the gas / liquid ratio of 0.05, the rotating speed of the rotating bed is 450rpm, and the reactants are released after 50 minutes of reaction, and the dealcoholized water is distilled under reduced pressure, diluted with solvent, centrifuged to remove slag, and reduced After a series of treatments such as pressure distillation and desolventization, the alkali value is 3...

Embodiment 2

[0022] Embodiment 2: be 30-35% petroleum ammonium sulfonate, 1330 gram calcium hydroxide, 4984 gram organic solvent, 1200 gram methyl alcohol with 4000 gram content, pour in the circulation tank after mixing, liquid circulation mode is with embodiment 1, The liquid circulation flow rate is 0.5m / s, and the temperature starts to rise. When the temperature reaches 50°C, carbon dioxide gas is introduced according to the gas / liquid ratio of 18, and the rotation speed of the rotating bed is 800rpm. After 30 minutes of reaction, the reactant is released, and it is distilled under reduced pressure. After a series of treatments such as dealcoholized water, centrifugal deslagging, vacuum distillation and desolventization, the alkali value is 310mgKOH / g, and the kinematic viscosity (100°C) is 50mm 2 / s, the effective component content is 54%, and the turbidity is 15JTU. The high-performance high-alkaline value calcium sulfonate lubricating oil detergent, the reaction time is at least 75% ...

Embodiment 3

[0023] Embodiment 3: be 35%-40% petroleum ammonium sulfonate, 1330 gram calcium hydroxide, 4984 gram organic solvent, 1200 gram methyl alcohol with 4000 gram content, pour in the circulation tank after mixing, in liquid circulation with pump 3 Under the action, enter the rotating bed from the liquid inlet 6 of the rotating bed through the liquid flowmeter 5, then close the valve 9, open the valve 10 to make the reaction material circulate directly in the rotating bed, the liquid circulation flow rate is 1m / s, and start to heat up, When the temperature reaches 40°C, carbon dioxide gas is introduced according to the gas / liquid ratio of 9, the rotation speed of the rotating bed is 900rpm, and the reactant is released after 45 minutes of reaction, and the dealcoholized water is distilled under reduced pressure, the slag is removed by centrifugation, and the solvent is removed by distillation under reduced pressure After a series of treatments, the alkali value is 290mgKOH / g, and th...

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Abstract

A high-basicity calcium sulfonate as the cleaner of lubricant oil is prepared from sulfonate, organic solvent, methanol, and calcium hydroxide through circulating their mixture in the filler layer of supergravitational rotating bed for high-speed neutralizing, carbonating and phase-converting, vacuum distilling for resultant liquid for removing alcohol and water, diluting, centrifugal separation of dregs, and removing solvent.

Description

technical field [0001] The invention relates to a preparation method of a high-basic value calcium sulfonate lubricating oil detergent, and also belongs to the application of high-gravity field rotating bed technology in chemical reaction engineering. Background technique [0002] High base value calcium sulfonate detergent is the main additive for internal combustion engine oil. It has the characteristics of high base value, good rust resistance and strong acid neutralization ability. It is mainly used to prepare medium and high-grade internal combustion engine oil. At present, the production of high-alkaline calcium sulfonate detergents at home and abroad basically adopts the mechanical stirred tank method, that is, the neutralization reaction is carried out with petroleum sulfonate (or synthetic sulfonate) and calcium hydroxide under mechanical stirring in the reactor. , Prepared by carbonation reaction and conversion process by bubbling method. Because the production of...

Claims

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Application Information

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IPC IPC(8): C10M135/10
Inventor 罗来龙陈建峰钱铮毋伟白生军初广文牛春革宋云华孟祥胜宋继瑞欧阳波韩韫
Owner KARAMAY JINSHAN PETROCHEMICAL LTD CO
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