High-lubricity environment-friendly water-based core rod lubricant agent

An environmentally friendly and lubricating technology, which is applied in the direction of lubricating compositions, additives, petroleum industry, etc., can solve the problems of short service life of mandrel rods, poor high temperature lubrication performance, poor high temperature bonding effect, etc., and achieve long service life, Excellent high-temperature lubricating performance and good environmental protection

Active Publication Date: 2008-09-24
QIDONG YUSHIRO CHEMICAL INDUSTRY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Continuous rolling load, mandrel service life, and mandrel surface quality are closely related to the mandrel lubricant. Because the original mandrel lubricant MD1700 has poor high-temperature bonding effect, poor high-temperature lubrication performance, and mandrel service life Shorter and other issues, it can no longer fully adapt to the adjustment of the product structure of the current steel pipe factory and the requirements of product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mix and stir the components in the following percentages by weight to obtain the product:

[0024] Flake graphite 35%

[0025] Sodium Triphosphate 15%

[0026] Clay 15%

[0027] Hydroxyethyl Cellulose 0.1%

[0028] Water 33%

[0029] 5-Chloro-2-methyl-4-isothiazolin-3-one 1.9%.

Embodiment 2

[0031] A high-lubricity environment-friendly water-based mandrel lubricant is characterized in that it consists of the following components by weight:

[0032] Flake graphite 10-50% (example 10%, 30%, 50%)

[0033] Molten salt substance 1~20% (for example 1%, 10%, 20%)

[0034] Inorganic binder 1~20% (Example 1%, 10%, 20%)

[0035] Tackifier 0.01~2% (for example 0.01%, 1%, 2%)

[0036] Water 20-80% (eg 20%, 50%, 80%)

[0037] Excipients 0-10% (eg 0%, 5%, 10%).

[0038] Molten salt substances are dipotassium hydrogen phosphate, sodium triphosphate, borax, borates, sodium pyrophosphate or silicates.

[0039] Inorganic binders are clays, bentonites, alkali metal salts of phosphoric acid, boric acid or silicic acid.

[0040] The tackifier is hydroxyethyl cellulose, carboxymethyl cellulose, carboxymethyl cellulose calcium, carboxymethyl cellulose sodium, carboxymethyl starch or carboxymethyl starch sodium.

[0041] The auxiliary material is one or more of dispersant, wetting ...

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PUM

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Abstract

The invention discloses a high-lubricity water-based core rod lubricant friendly to the environment, which consists of scale-like plumbago, fused salt, an inorganic binder, a viscosity increaser, water and auxiliary materials. The invention is usable and has excellent lubricity at high temperature; the core rod has long service life, and can meet the requirement of the current pipe mills for adjusting product structure and product quality.

Description

Technical field: [0001] The invention relates to a water-based mandrel lubricant for hot rolling and piercing of seamless steel pipes. Background technique: [0002] As the product structure of steel pipes is continuously adjusted to the direction of high-difficulty, high-quality, high-value-added high-alloy and high-steel grade products, and the product quality requirements are also continuously improved, the requirements for the mandrel lubricant used in the core unit of the steel pipe factory And the requirements for the surface quality of the mandrel are getting higher and higher. Continuous rolling load, mandrel service life, and mandrel surface quality are closely related to the mandrel lubricant. Because the original mandrel lubricant MD1700 has poor high-temperature bonding effect, poor high-temperature lubrication performance, and mandrel service life Shorter and other issues, can no longer fully adapt to the adjustment of the product structure of the current steel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/02C10M125/02C10M125/24C10M125/26C10M145/40C10N40/24
Inventor 陈宪和常建忠王勇
Owner QIDONG YUSHIRO CHEMICAL INDUSTRY CO LTD
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