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A device for adding organic binder for sintering pellets

A technology of organic adhesives and adding equipment, applied in the direction of mixers with rotating containers, mixers, mixer accessories, etc., can solve the problems of poor viscosity, powdering strength, pellet cracking, etc., and achieve excellent Physicochemical effect, increase iron content, promote oxidation effect

Active Publication Date: 2021-11-16
山东大福粘合剂股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the 1970s, the clinker feeding rate of key iron and steel enterprises in my country has reached 89%, which is comparable to that of some developed countries. Most of the adhesives on the market are not very viscous, which will cause cracks in the pellets. , pulverization and insufficient strength occur

Method used

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  • A device for adding organic binder for sintering pellets

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Embodiment 1

[0025]Embodiment 1: An organic binder for sintering pellets, including sodium carboxymethylcellulose, Palido, tackifier and additives, the sodium carboxymethylcellulose is 50 parts, Palido 1 part, the additive is KMnO 4 and K 2 Cr 2 o 7 Prepared by mixing, additives include 3 parts KMnO 4 and 2 copies of K 2 Cr 2 o 7 Prepared by mixing;

[0026] Described tackifier is cationic guar gum, and cationic guar gum is a kind of natural copolymer that extracts from leguminous plant, has cationic surfactant and macromolecular resin characteristic, and its outward appearance is light yellow powder, odorless or Slightly fragrant, the thickener includes the following raw materials by weight: 10 parts of polysaccharide (high molecular polymer formed by D-mannose and D-galactose at a ratio of 2:1), 8 parts of water, 6 parts of protein, Prepared by mixing 1 part of ash powder and 0.7 part of cellulose;

[0027] 25 parts of dolomite are also added in the binder;

[0028] A device fo...

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Abstract

The invention relates to the technical field of adhesives, and discloses an organic adhesive for pelletizing by sintering pellets and its manufacturing equipment, including sodium carboxymethyl cellulose, Peridol, a tackifier and additives, characterized in In: the sodium carboxymethyl cellulose is 50 parts to 60 parts, Palido is 1 part to 2 parts, and the additive is KMnO 4 and K 2 Cr 2 o 7 Prepared by mixing, the additives include the following raw materials by weight: KMnO 4 2~5 copies and K 2 Cr 2 o 7 Prepared by mixing 1 to 4 parts, the organic binder used for sintering pellets of the present invention is added with additives, KMnO in the additives 4 and K 2 Cr 2 o 7 Sensitive to iron reaction, has excellent physicochemical effect, can promote Fe 3 o 4 oxidized, and can serrate Fe 2 o 3 Fully crystallized and rapidly developed into large interconnected grains at lower temperatures, solving the problem of organic binder preheating pellets Fe 2 o 3 The problems of fine crystal particles, poor connection and low pellet strength increase the preheating and roasting strength of the pellets.

Description

technical field [0001] The invention relates to the technical field of binders, in particular to a device for adding organic binders for sintering pellets into pellets. Background technique [0002] Pelletizing is a method of artificial block raw materials, and it is a process of changing powdery materials into physical properties and chemical composition that can meet the requirements of the next step of processing. During the pelletizing process, the material not only undergoes changes in physical properties such as density, porosity, shape, and mechanical strength of the size and phase due to rolling into balls and dense particles, but more importantly, chemical and physical and chemical properties occur, such as chemical composition, Reduction, expansion, high-temperature reduction softening, low-temperature reduction softening, melting and other transformation ratios improve the metallurgical properties of materials. So far, among the global iron ore resources, the prov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B1/242B01F9/06B01F15/02B01F29/63
CPCC22B1/242B01F29/63B01F35/717
Inventor 宋然安强
Owner 山东大福粘合剂股份有限公司
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