Steel slag grinding aid and preparation method thereof

A grinding aid and steel slag technology, applied in the field of industrial solid waste resource utilization, can solve the problems of insignificant improvement effect and high cost, and achieve the effects of improved activity index, less dosage and simple process

Active Publication Date: 2014-06-18
JIANGSU RONGDA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above-mentioned prior art, the grinding aid with triethanolamine as the main raw material has no obvious effect on improving the activity index of steel slag, and the cost is relatively high. Therefore, it is imminent to develop a grinding aid product with strong pertinence for steel slag

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0012] The preparation method of grinding aid of the present invention:

[0013] Add acrylamide, benzamide and alkanolamine in proportion to dissolve in water, then add ethylenediamine phosphate, calcium lignosulfonate and sodium lignosulfonate in sequence, mix and stir, finally add tributyl phosphate, stir Finally, the steel slag grinding aid is obtained.

Embodiment 1

[0015] 8 parts of acrylamide, 8 parts of benzamide, 15 parts of alkanolamine, 5 parts of ethylenediamine phosphate, 10 parts of calcium lignosulfonate, 8 parts of sodium lignosulfonate, 0.1 part of tributyl phosphate, water 20 servings.

Embodiment 2

[0017] 12 parts of acrylamide, 12 parts of benzamide, 20 parts of alkanolamine, 10 parts of ethylenediamine phosphate, 15 parts of calcium lignosulfonate, 12 parts of sodium lignosulfonate, 0.5 part of tributyl phosphate, water 80 servings.

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PUM

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Abstract

The invention discloses a steel slag grinding aid. The grinding aid comprises the following raw material component in parts by weight: 8-12 parts of acrylamide, 8-12 parts of benzamide, 15-20 parts of alkanolamine, 5-10 parts of ethylene diamine phosphate, 10-15 parts of calcium lignin sulfonate, 8-12 parts of sodium lignin sulfonate, 0.1-0.5 part of tributyl phosphate and 20-80 parts of water. The preparation method comprises the steps of adding acrylamide, benzamide, alkanolamines in water in a certain ratio, dissolving, then sequentially adding ethylenediamine phosphate, calcium lignin sulfonate and sodium lignin sulfonate, mixing and finally adding tributyl phosphate, stirring to obtain steel slag grinding aid. The process is simple and the activity index of steel slag can be regulated.

Description

technical field [0001] The invention belongs to the technical field of resource utilization of industrial solid waste, and specifically relates to a steel slag grinding aid, and also relates to a preparation method of the steel slag grinding aid. Background technique [0002] Steel slag is one of the main waste slags in the iron and steel industry. It is mainly composed of oxides of calcium, iron, silicon, magnesium and a small amount of aluminum, manganese, phosphorus, etc. The mineral phase is tricalcium silicate, dicalcium silicate, calcium magnesium olivine, calcium It is a solid solution formed by rhodoxene, calcium aluminum ferrite and oxides of silicon, magnesium, iron, manganese and phosphorus, and also contains a small amount of free calcium oxide, metallic iron, fluoroapatite, etc. Steel slag is a solid waste produced in large quantities by using lime to extract impurities during the steelmaking process, and its emissions account for about 10% to 15% of steel produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B5/00
Inventor 翁哲峰
Owner JIANGSU RONGDA NEW MATERIAL
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