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Bonding balling method for powdered coke

A coke powder and pelletizing technology, which is applied in the cohesive and pelletizing field of coke powder, can solve the problems of reducing the comprehensive cost of ferroalloy production, coke powder cannot be effectively used, and the process flow is short, so as to reduce the comprehensive production cost, The effect of low cost and short process flow

Active Publication Date: 2007-12-26
四川川投峨眉铁合金(集团)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method has short process flow, low cost and high efficiency, which can not only solve the problem that coke powder particles cannot be effectively used in the metallurgical industry, but also control environmental pollution, and can also reduce the overall cost of ferroalloy production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for bonding coke powder into balls is carried out according to the following process steps:

[0022] A. Ingredients and metering: measure the raw materials according to the ratio of 100kg of coke powder mixed with 10kg of cement and 10kg of water;

[0023] B. Stir evenly: pour the raw materials measured in step A into the mixer and stir to obtain the mixture;

[0024] C, pressing into balls: add the mixture prepared in step B into the GQ430 type ball pressing machine and press into pellets;

[0025] D, natural consolidation: the pellets pressed in step C are stacked naturally for more than 6 days, and after consolidation, the product coke powder balls of the present invention are obtained.

[0026] The specification of the product coke powder ball of the present invention is: grain size 30mm, and chemical composition is: fixed carbon 65%.

Embodiment 2

[0028] A method for bonding coke powder into balls is carried out according to the following process steps:

[0029] A. Ingredients and metering: measure raw materials according to the ratio of 100kg coke powder mixed with 12kg cement, 6kg bentonite and 10kg water;

[0030] B. Stir evenly: pour the raw materials measured in step A into the mixer and stir to obtain the mixture;

[0031] C, pressing into balls: add the mixture prepared in step B into the GQ430 type ball pressing machine and press into pellets;

[0032] D, natural consolidation: the pellets pressed in step C are stacked naturally for more than 8 days, and after consolidation, the product coke powder balls of the present invention are obtained.

[0033] The specification of the product coke powder ball of the present invention is: particle size is 20mm, and chemical composition is: fixed carbon 62%.

Embodiment 3

[0035] A method for bonding coke powder into balls is carried out according to the following process steps:

[0036] A. Ingredients and metering: measure the raw materials according to the ratio of 100kg of coke powder mixed with 10kg of cement, 5kg of gypsum and 12kg of water;

[0037] B. Stir evenly: pour the raw materials measured in step A into the mixer and stir to obtain the mixture;

[0038] C, pressing into balls: add the mixture prepared in step B into the GQ430 type ball pressing machine and press into pellets;

[0039] D, natural consolidation: the pellets pressed in step C are stacked naturally for more than 7 days, and after consolidation, the product coke powder balls of the present invention are obtained.

[0040] The specification of the product coke powder ball of the present invention is: particle size is 30mm, and chemical composition is: fixed carbon 62%.

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Abstract

The invention discloses a bonding balling method for powdered coke comprising the steps of, (1) preparing raw material by the proportion of coke breeze granule 100 wt. parts, binding agent 5-30 wt. parts, water 5-20 wt. parts, (2) loading the measured raw material into agitator for stirring, mixing to obtain mixture, (3) compressing the obtained mixture in pressing machine, (4) depositing for over four days for natural consolidation.

Description

Technical field: [0001] The present invention relates to a method for bonding coke powder particles into balls, in particular, the present invention relates to a method for bonding coke powder particles produced in metallurgical industrial production into coke powder balls, and the coke powder balls are used for manganese It not only greatly reduces the production cost, but also reduces the environmental pollution caused by coke powder. Background technique: [0002] In many metallurgical industries, such as the production of ferroalloy, yellow phosphorus, industrial silicon and steel industry, etc., a large amount of coke is required. According to the technical requirements, coke needs to be crushed to the required particle size. In the coke crushing operation It is inevitable to produce about 10-20% coke powder, and usually when the particle size of coke powder is less than 5 mm, it is difficult to reuse, and when the particle size is less than 3 mm, there is almost no dir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/10
Inventor 穆婷云唐华应郑再春杨君臣
Owner 四川川投峨眉铁合金(集团)有限责任公司
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