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Binder composition for pelletizing titanium concentrate and method for preparing titanium concentrate pellets

A technology of binder and composition, which is applied in the field of metallurgical engineering, can solve the problems of lower grade of titanium slag and low strength of titanium concentrate pellets, and achieve the effect of improving grade and strength

Active Publication Date: 2016-05-25
攀钢冶金材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the strength of the titanium concentrate pellets prepared by the binder composition of the prior art is low, and contains a large amount of Al 2 o 3 and SiO 2 and other inorganic substances, when this titanium concentrate pellet is used for the smelting of titanium slag, Al 2 o 3 and SiO 2 Inorganic substances such as impurities will remain in the titanium slag in the form of impurities, resulting in a decrease in the grade of the final product titanium slag

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] This example is used to illustrate the binder composition and the preparation method of titanium concentrate pellets provided by the present invention

[0038] (1) Preparation of binder composition for spheroidizing titanium concentrate

[0039] Add carboxymethyl cellulose, calcium lignosulfonate, pregelatinized (α-) starch and sugar calcium in the blender, wherein, with the carboxymethyl cellulose of 100 parts by weight as a benchmark, the lignosulfonic acid The added amount of calcium is 20 parts by weight, the added amount of modified starch is 60 parts by weight, and the added amount of calcium sugar is 18 parts by weight. After all the mixture is added, it is mixed in a mixer for 4 minutes to obtain a binder composition for spheroidizing fine-grained titanium concentrate.

[0040] (2) Preparation method of titanium concentrate pellets

[0041] Add 20kg of fine-grained titanium concentrate (60-74 microns in particle size), 400g of the binder composition obtained i...

Embodiment 2

[0045] This example is used to illustrate the binder composition and the preparation method of titanium concentrate pellets provided by the present invention

[0046] (1) Preparation of binder composition for spheroidizing titanium concentrate

[0047] Add carboxymethyl cellulose, calcium lignosulfonate, ultra-high frequency radiation treatment starch and sugar calcium in mixer, wherein take the carboxymethyl cellulose of 100 weight parts as benchmark, the add-on of described calcium lignosulfonate 40 parts by weight, the add-on of modified starch is 30 parts by weight, and the add-on of sugar calcium is 40 parts by weight. After all the mixture is added, it is mixed in a mixer for 4 minutes to obtain a binder composition for spheroidizing fine-grained titanium concentrate.

[0048] (2) Preparation method of titanium concentrate pellets

[0049] Add 20kg of fine-grained titanium concentrate (particle size is 74-100 microns), 500g of the binder composition obtained in step (1...

Embodiment 3

[0053] This example is used to illustrate the binder composition and the preparation method of titanium concentrate pellets provided by the present invention

[0054] (1) Preparation of binder composition for spheroidizing titanium concentrate

[0055] Add carboxymethyl cellulose, calcium lignosulfonate, wet heat treatment starch and calcium sugar in the mixer, wherein with the carboxymethyl cellulose of 100 parts by weight as a benchmark, the addition of calcium lignosulfonate is 60 weight part, the add-on of modified starch is 10 parts by weight, and the add-on of sugar calcium is 10 parts by weight. After all the mixture is added, it is mixed in a mixer for 4 minutes to obtain a binder composition for spheroidizing fine-grained titanium concentrate.

[0056] (2) Preparation method of titanium concentrate pellets

[0057] Add 20kg of fine-grained titanium concentrate (particle size 1-30 microns), 600g of the binder composition obtained in step (1) and 300g of water into th...

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PUM

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Abstract

The invention discloses a binding agent composition for pelleting titanium concentrate. The composition is characterized by comprising a cellulose based polymer and calcium lignosulphonate, preferably comprising starch and / or sugar calcium, and more preferably starch and sugar calcium. The invention also discloses a method for preparing a titanium concentrate pellet, which is to mix and pellet the titanium concentrate, the binding agent composition and water, wherein the binding agent composition is the binding agent composition provided by the invention. The binding agent composition for pelleting titanium concentrate is adopted for pelleting, so that the pellet strength and the quality of the finally obtained titanium slag can be improved.

Description

technical field [0001] The invention relates to the technical field of metallurgical engineering, in particular to a binder composition for pelletizing titanium concentrate and a method for preparing titanium concentrate pellets. Background technique [0002] In the current production process of titanium slag, large-scale titanium slag electric furnace is usually used to smelt fine-grained titanium concentrate, but due to the small particle size of fine-grained titanium concentrate and poor air permeability, serious foamy slag will be generated during the smelting process , will not only lead to energy loss, but also cause serious safety accidents, making it difficult to carry out the smelting process. Therefore, before smelting, it is necessary to pelletize the fine-grained titanium concentrate. [0003] At present, the process of pelletizing fine-grained titanium concentrate is mainly: first mix bentonite and organic binders (such as polyacrylamide, polyvinyl alcohol) to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B1/244C22B34/12
Inventor 郭强段晓东杨强王长民王怀斌吴传坤李阳罗定红
Owner 攀钢冶金材料有限责任公司
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