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Sodium aluminate soap grease for ship

A lubricating grease and sodium-based technology, which is applied in the field of aluminum-sodium-based lubricating grease for ships, can solve the problems of unsatisfactory lubricating effect and few targeted varieties, and achieve the effect of reducing mechanical noise and good water resistance

Inactive Publication Date: 2011-04-20
俞磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Grease is used as a lubricating material in many parts of marine machinery, but the lubricating effect is not ideal, and there are fewer targeted varieties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] An aluminum-sodium base lubricating grease for ships, the weight-number ratio of each component is: 8 parts of hard acid, 6 parts of hardened oil, 10 parts of oleic acid, 8 parts of alum, 3 parts of NaOH, 50# machine oil 85 parts of mixed oil with 60# cylinder oil. The process for preparing the above-mentioned aluminum-sodium-based grease for ships: except sodium hydroxide, add each component into a mixing kettle, heat to 100-105°C, and add hydrogen dissolved in water after stirring Sodium oxide solution is subjected to saponification reaction, refined, and then replaced and washed, dehydrated, thickened into fat, cooled and ground to obtain the finished product.

Embodiment 2

[0014] An aluminum-sodium base lubricating grease for ships, the weight-number ratio of each component is: 4 parts of stearic acid, 9 parts of hardened oil, 15 parts of oleic acid, 15 parts of alum, 5 parts of NaOH, 50# mechanical oil 90 parts of mixed oil with 60# cylinder oil. Others are with embodiment 1.

Embodiment 3

[0016] An aluminum-sodium base lubricating grease for ships, the weight-number ratio of each component is: 12 parts of stearic acid, 3 parts of hardened oil, 5 parts of oleic acid, 3 parts of alum, 1 part of NaOH, 50# machine oil 80 parts of mixed oil with 60# cylinder oil. Others are with embodiment 1.

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PUM

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Abstract

The invention relates to a mechanical lubricating grease, in particular to a sodium aluminate soap grease for a ship. The sodium aluminate soap grease comprises the following components in parts by weight: 4-12 parts of stearic acid, 3-9 parts of hardened oil, 5-15 parts of oleic acid, 3-15 parts of white alum, 1-5 parts of NaOH, 1-5 parts of 50# machine oil and 80-90 parts of 60# cylinder mixed oil. The sodium aluminate soap grease for the ship is suitable for a ship propeller, a floating crane and a dredge boat, the dropping point is above 75 DEG C, the sodium aluminate soap grease has good water resistance, protective property and anti-corrosive performance, the sodium aluminate soap grease not only has the function of proper lubrication, but also has the anti-corrosion performance, and has the function of reducing the mechanical noise.

Description

technical field [0001] The invention relates to a mechanical lubricating grease, in particular to an aluminum sodium base lubricating grease for ships. Background technique [0002] Mechanical grease plays a very important role in maintaining the normal operation of various mechanical equipment, reducing mechanical friction and wear, and prolonging the service life of mechanical equipment. It is used in the friction part of the machine to lubricate and seal. It is also used on metal surfaces to fill voids and prevent rust. Colloidal stability is the property that the lubricating grease keeps the colloid stable during storage and use, and the liquid mineral oil does not separate out from the grease. Mechanical stability refers to the performance of grease against changes in consistency under mechanical working conditions. Grease is a stable solid or semi-solid product composed of a thickener dispersed in a liquid lubricant, in which additives and fillers can be added to im...

Claims

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Application Information

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IPC IPC(8): C10M169/00C10N50/10
Inventor 俞磊
Owner 俞磊
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