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

An environment-friendly and lubricating technology, applied in lubricating compositions, additives, petroleum industry, etc., can solve problems such as poor high-temperature lubricating performance, poor high-temperature bonding effect, short service life of mandrel rods, etc., and achieve excellent high-temperature lubricating performance , good environmental protection and long service life

Active Publication Date: 2011-06-08
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] The following components by weight are mixed and stirred to obtain the product:

[0024] Flake graphite 35%

[0025] Sodium triphosphate 15%

[0026] Clay 15%

[0027] Hydroxyethylcellulose 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 is composed of the following weight components:

[0032] Flake graphite 10~50% (Example 10%, 30%, 50%)

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

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

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

[0036] Water 20~80% (Example 20%, 50%, 80%)

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

[0038] The molten salt substance is dipotassium hydrogen phosphate, sodium triphosphate, borax, borate, sodium pyrophosphate or silicate.

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

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

[0041] The auxiliary material i...

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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] Due to the continuous adjustment of the product structure of steel pipes to high-alloy and high-grade steel products with high difficulty, high quality and high added value, and the continuous improvement of product quality requirements, the requirements for the mandrel lubricant used in the core units of the steel pipe factory are And the requirements for the surface quality of the mandrel are also getting higher and higher. The rolling load of continuous rolling, the service life of the mandrel, and the surface quality of the mandrel are closely related to the quality of the mandrel lubricant. Because the original mandrel lubricant MD1700 has poor high-temperature bonding effect, poor high-temperature lubrication performance, and the service life of the mandrel Shorter and other problems, can not fully meet t...

Claims

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Application Information

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