Steel and iron chemical oil removing powder and preparing and using methods thereof

A technology for chemical degreasing and iron and steel, applied in the field of detergents, can solve the problems of easy precipitation of surfactants, poor degreasing ability and high cost, and achieve the effects of strong degreasing ability, good wetting and fast dissolution.

Inactive Publication Date: 2017-12-26
江门市濠成化工科技有限公司
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Alkaline degreasing powder mainly has the problems of poor degreasing ability, too large foam and easy precipitatio

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This embodiment provides a chemical degreasing powder for iron and steel, and the preparation method comprises the following steps:

[0044] (1) Mix 5 grams of sodium hydroxide, 40 grams of sodium carbonate, 0.5 grams of disodium EDTA, and 8 grams of sodium tripolyphosphate, and stir to obtain A powder;

[0045] (2) Add 1 gram of sodium gluconate, 20 grams of sodium metasilicate pentahydrate, 3 grams of fatty acid methyl ester ethoxylate, 0.5 grams of fatty alcohol polyoxyethylene ether sodium sulfate, and nonylphenol polyethoxylate to A powder in turn. 2 grams of oxyethylene ether, stirred evenly to get the finished degreasing powder.

Embodiment 2

[0047] This embodiment provides a chemical degreasing powder for iron and steel, and the preparation method comprises the following steps:

[0048] (1) Mix 7 grams of sodium hydroxide, 45 grams of sodium carbonate, 0.7 grams of disodium EDTA, and 9 grams of sodium tripolyphosphate, and stir to obtain A powder;

[0049] (2) Add 1.5 grams of sodium gluconate, 25 grams of sodium metasilicate pentahydrate, 4 grams of fatty acid methyl ester ethoxylate, 0.75 grams of fatty alcohol polyoxyethylene ether sodium sulfate and nonylphenol polyethoxylate to A powder in turn. 2 grams of oxyethylene ether, stirred evenly to get the finished degreasing powder.

Embodiment 3

[0051] This embodiment provides a chemical degreasing powder for iron and steel, and the preparation method comprises the following steps:

[0052] (1) Mix 10 grams of sodium hydroxide, 50 grams of sodium carbonate, 1 gram of disodium EDTA, and 10 grams of sodium tripolyphosphate, and stir to obtain A powder;

[0053] (2) To powder A, add 2 grams of sodium gluconate, 30 grams of sodium metasilicate pentahydrate, 5 grams of fatty acid methyl ester ethoxylate, 1 gram of fatty alcohol polyoxyethylene ether sodium sulfate and nonylphenol polysaccharide 2.5 grams of oxyethylene ether, stirred evenly to get the finished degreasing powder.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

Steel and iron chemical oil removing powder comprises, by weight, 5-10 g of sodium hydroxide, 40-50 g of sodium carbonate, 0.5-1 g of EDTA disodium, 8-10 g of sodium tripolyphosphate, 1-2 g of a washing assisting agent, 20-30 g of a metal protecting agent and 5.5-8.5 g of a surface active agent. A preparing method of the oil removing powder includes the following steps that sodium hydroxide, sodium bicarbonate, EDTA disodium and sodium tripolyphosphate are mixed and stirred uniformly so that A powder can be obtained; and the washing assisting agent, the metal protecting agent and the surface active agent are added into the A powder at a time, and after uniform stirring is performed, the finished oil removing powder can be obtained. A using method of the oil removing powder includes the following steps that warm water is added in a cleaning tank, and temperature is 40-70 DEG C; and 4-8% of the oil removing powder is added into the warm water and is stirred till complete dissolving is achieved. The surface of steel and iron cleaned through the oil removing powder is free of a visible oil film or oil spots, meanwhile, the using amount of the oil removing powder is small, and the steel and iron chemical oil removing powder is economical, non-toxic and environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of cleaning agents, and in particular relates to a chemical degreasing powder for steel and its preparation and use methods. Background technique [0002] After the hot-rolled steel plate goes through the cold-rolling process, impurities such as residual rolling oil, iron powder, leaked hydraulic oil, and gear oil are attached to the surface of the cold-rolled steel plate. In order to improve product quality, the surface of the steel plate must be cleaned before the bell furnace annealing process clean. As the largest steel-producing country in the world, my country also ranks first in the output of cold-rolled steel plates in the world, so the market demand for degreasing powder for cleaning steel plates after rolling is also huge. The degreasing effect will directly affect the quality of the plating and coating. Traditional high-temperature chemical degreasing, organic solvent degreasing, electrochemical...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C25F1/06
CPCC25F1/06
Inventor 唐一波彭培达
Owner 江门市濠成化工科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap