Method for producing passive metal particle, metal powder or passive lime

A metal powder and passivation metal technology, which is applied in the field of flux materials for iron and steel smelting, can solve problems such as singleness and environmental protection, and achieve good dispersion, meet smelting requirements, and excellent passivation effects

Inactive Publication Date: 2010-05-19
鞍山市和丰耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, a single passivator or dispersant is often used, and it is difficult to achieve good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0013] Example 1 (Passivated metal magnesium powder)

[0014] First, make efficient composite additives. It is made up of the following ingredients in a proportion by weight: 32 parts of sodium polymethacrylate (JSTAMOL-960), 20 parts of propylene glycol phenyl ether acetate (JS-PPA), 48 parts of silicone oil, and the combination of sodium polymethacrylate and propylene glycol phenyl ether Acetate and silicone oil are stirred and evenly mixed according to the stated weight ratio, and are packed in a special container that can spray liquid mist.

[0015] Secondly, put the metal magnesium particles to be passivated into the special passivation equipment.

[0016] Finally, according to the weight ratio (magnesium metal particles: high-efficiency composite additive = 1000: 0.5), spray mist-like high-efficiency composite additives on the surface of the rapidly rotating magnesium particles in the passivation equipment, and then inspect the packaging to produce an environmentally friendly ...

Example Embodiment

[0017] Example 2 (passivated lime)

[0018] First, make efficient composite additives. It is made up of the following ingredients in proportions by weight: 20 parts of sodium polymethacrylate (JSTAMOL-960), 32 parts of propylene glycol phenyl ether acetate (JS-PPA), 48 parts of silicone oil, and the mixture of sodium polymethacrylate and propylene glycol phenyl ether Acetate and silicone oil are accurately weighed, stirred, and mixed evenly according to the stated weight ratio, and packed in a special container that can spray liquid mist;

[0019] Secondly, put the lime that needs passivation into the special passivation equipment.

[0020] Finally, according to the ratio (lime: high-efficiency composite additive = 1000:1), spray mist-like high-efficiency composite additives on the surface of the lime that is rapidly rotating in the passivation equipment, and then inspect the packaging to produce environmentally friendly production of high-quality passivated lime .

Example Embodiment

[0021] Example 3 (passivated magnesium powder)

[0022] First, make efficient composite additives. It is made up of the following ingredients in a proportion by weight: 25 parts of sodium polymethacrylate (JSTAMOL-960), 25 parts of propylene glycol phenyl ether acetate (JS-PPA), 50 parts of silicone oil, and the combination of sodium polymethacrylate and propylene glycol phenyl ether Acetate and silicone oil are accurately weighed, stirred, and mixed evenly according to the stated weight ratio, and packed in a special container that can spray liquid mist;

[0023] Secondly, put the magnesium powder that needs passivation into the special passivation equipment.

[0024] Finally, according to the ratio (magnesium powder: high-efficiency composite additive=1000:1.5), spray the mist-like high-efficiency composite additive on the surface of the lime which is rapidly rotating in the passivation equipment, and then inspect the packaging, and then produce environmentally friendly production...

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PUM

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Abstract

The invention relates to a method for producing passive metal particle, metal powder or passive lime. The passive metal particle, the metal powder or the passive lime consists of the following raw materials in part by weight: 1,000 parts of metal particle (metal powder or lime), and 0.5 to 2 parts of efficient compound additives. The efficient compound additives are prepared from three types of organic solutions in proportion and are sprayed in the form of mist on the surface of the metal particle (the metal powder or the lime) rotating quickly in a passivation device by using a special container so as to produce environment-friendly high-quality passive metal particle (or powder) or passive lime. The method has the following advantages: 1) the passivated substances in the method not only have good passivation effect so that the materials can be effectively isolated from the outside for a long time, but also make the materials obtain good dispersity and fluidity to meet the requirements on smelting, and has strong market prospect and competitive strength; and 2) the efficient compound additives are environment-friendly non-toxic harmless substances.

Description

technical field [0001] The invention relates to the field of flux materials for iron and steel smelting, in particular to a method for producing environment-friendly high-quality passivation metal particles (or powder) and passivation lime. Background technique [0002] The hot metal pretreatment desulfurization process is a mature technology widely used in the iron and steel smelting process, and the powder spraying method is the most commonly used method. Passivated metal magnesium powder and passivated lime powder are the two most commonly used powders for desulfurization at present. Whether their passivation effect is good or bad directly affects the storage and desulfurization effect of the desulfurization powder, while excellent dispersibility and fluidity are crucial factors to ensure the smooth completion of the injection operation. [0003] At present, a single passivator or dispersant is often used, and it is difficult to achieve good passivation effect and disper...

Claims

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Application Information

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IPC IPC(8): C21C1/02C21C7/064
Inventor 李涛孙逊
Owner 鞍山市和丰耐火材料有限公司
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