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Lubricating grease for blast-furnace gun and preparation method thereof

A grease, mud gun technology, applied in the field of grease, to achieve the effect of improving rust resistance, long oxidation induction period and long service life

Inactive Publication Date: 2014-11-26
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a kind of lubricating grease for blast furnace mud gun, select suitable base grease and additives, and solve the problem of lubricating grease satisfying high temperature, long life, anti-wear, anti-rust, and centralized pumping, etc. Integrating the problems, a kind of blast furnace mud cannon grease was invented to meet the lubrication requirements of the working conditions

Method used

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  • Lubricating grease for blast-furnace gun and preparation method thereof
  • Lubricating grease for blast-furnace gun and preparation method thereof
  • Lubricating grease for blast-furnace gun and preparation method thereof

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Experimental program
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Embodiment Construction

[0026] The present invention will be further elaborated below by specific examples.

[0027] Each embodiment and comparative example preparation method:

[0028] Embodiment 1-8 and comparative example

[0029] Add the thickener 12-hydroxystearate lithium, lithium borate, lithium sebacate complex soap and 45% base oil into the reaction kettle, stir and heat to 205-215°C, add 20% base oil to cool, continue Stir, add the remaining base oil, stir to lower the temperature below 90°C, add additives, stir and mix evenly. The composition is oil-pressed three times by a three-roller machine, and then packed in a finished product. Embodiment 1-8 component content and comparative example component content are shown in Table 1

[0030] Table 1 Example 1-8 component content and comparative example component content

[0031]

[0032] Embodiment 1-8 and comparative example performance data are shown in Table 2

[0033] Table 2

[0034]

[0035]

[0036] As can be seen from Tab...

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Abstract

The invention relates to lubricating grease for a blast-furnace gun and a preparation method thereof. The lubricating grease is prepared from the following components in percentage by weight: 6-13.6% of densifier, 83-90% of base oil and 1-5% of additives, wherein the kinematic viscosity of the base oil at 40 DEG C is 120-200mm<2> / s, and the viscosity index of the base oil is not less than 92 and the condensation point of the base oil is not higher than minus 10 DEG C; the additives comprise (a) 0.5-2% of antioxidant, (b) 0.5-2% of antiwear agent and (c) 0-1% of antirust agent. The lubricating grease produced by the method has a good high-temperature dropping point, long oxidation induction time, low long wear value under a certain load and good anti-corrosion performance in the presence of moisture. The wear scar diameter of the lubricating grease verified by an SH / T0204 method is not greater than 0.5mm. The oxidation induction time of the lubricating grease tested by SH / T0790 is greater than 13 minutes at 210 DEG C. The comprehensive problems that the lubricating grease simultaneously satisfies high temperature resistance, long service life, wear resistance, rust prevention, centralized pumping and the like are solved.

Description

technical field [0001] The invention belongs to the technical field of lubricating grease, and relates to a lubricating grease for a blast furnace mud gun and a preparation method thereof. Background technique [0002] Blast furnace mud gun, also known as blast furnace ironmaking mud gun, ironmaking blast furnace mud gun, blast furnace hydraulic mud gun, blast furnace mud gun, belongs to the necessary equipment in front of the furnace in the smelting industry. After the blast furnace is tapped, the iron hole is blocked, so that the blast furnace can work continuously, and the blast furnace can quickly enter the next cycle of operation. Compared with the mechanical mud gun, the hydraulic mud gun has the advantages of light weight, simple structure, stable operation, stable and reliable performance, and high efficiency. , easy operation, low price and other characteristics, it is an ideal furnace equipment for large, medium and small ironmaking manufacturers. The hydraulic mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/06C10N50/10C10N30/12C10N30/06
Inventor 马爱民莫林和刘翠苹高艳青刘振国谷校英
Owner CHINA PETROLEUM & CHEM CORP
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