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Continuous annealing line levelling liquid for steel plant, preparation method and application thereof in steel levelling

A leveling liquid, a steel plant technology, applied in the iron and steel plant continuous annealing line leveling liquid, steel leveling application, preparation field, can solve the problem of leveling liquid not suitable, surface scratches, etc.

Inactive Publication Date: 2020-01-03
HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the steel plate has a small amount of reduction during the skinning process, although the reduction amount is small, if the leveling liquid does not have proper lubricity, it will also cause defects such as slight scratches on the surface of the steel plate during the leveling process

Method used

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  • Continuous annealing line levelling liquid for steel plant, preparation method and application thereof in steel levelling
  • Continuous annealing line levelling liquid for steel plant, preparation method and application thereof in steel levelling
  • Continuous annealing line levelling liquid for steel plant, preparation method and application thereof in steel levelling

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Embodiment Construction

[0017] The present invention will be further described by the following examples, but not as a limitation of the present invention.

[0018] Table 1 shows the formulations of Examples 1-4 and Comparative Examples 1-2, and the unit is wt%.

[0019] The formula of table 1 embodiment 1-4, comparative example 1-2

[0020]

[0021] Comparative example 1 in table 1 removed dipalmitoyl-L-A-phosphatidylethanolamine on the basis of embodiment 4, and the consumption of phosphate triethanolamine is the total consumption of palmitoyl-L-A-phosphatidylethanolamine and phosphate triethanolamine in embodiment 4 , others are identical with embodiment 4.

[0022] Comparative example 2 in table 1 removes triethanolamine phosphate on the basis of embodiment 4, and the consumption of dipalmitoyl-L-A-phosphatidylethanolamine is the total consumption of palmitoyl-L-A-phosphatidylethanolamine and triethanolamine phosphate in embodiment 4 , others are identical with embodiment 4.

[0023] In Com...

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Abstract

The invention discloses a continuous annealing line levelling liquid for a steel plant. The continuous annealing line levelling liquid for the steel plant is prepared from the following components inpercentage by weight: 13.3%-16.8% of triethanolamine phosphate, 10.3%-16.3% of D-aminopropanol, 1.4%-2.3% of dipalmitoyl-L-A-phosphatidyl ethanolamine, 3.3%-5.3% of sodium gluconate, 5.3%-7.3% of triisopropanolamine cyclic borate, 0.8%-1.6% of dipyridamole, and the balance water. The continuous annealing line levelling liquid for the steel plant is high in anti-rust property and lubricity.

Description

technical field [0001] The invention belongs to the technical field of waste water treatment, and in particular relates to a steel plant continuous annealing line leveling liquid, a preparation method and its application in steel leveling. Background technique [0002] The leveling of the steel plate after annealing is divided into two methods: dry leveling and wet leveling. After annealing, a large amount of fine iron powder, residual carbon and other dirt remain on the surface of the steel plate. During the leveling process, the residues on the surface of the steel plate are effectively cleaned by the leveling liquid through the flushing of the leveling liquid, so that the residues such as iron powder and residual carbon on the surface of the steel plate are effectively removed, thereby effectively improving the surface quality of the steel plate. At the same time, since it takes a certain amount of time for the leveled steel plate to enter the next process, the rust resi...

Claims

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Application Information

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IPC IPC(8): C23G1/26
CPCC23G1/26
Inventor 桂成方桂林刘春花
Owner HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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