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Coal briquette making and coal briquette coking production process by using coking wastes

A technology of production process and waste, which is applied in the field of briquette coking production process, can solve the problems of easy pollution of transport belt equipment, inability to process at the same time, injury of waste personnel, etc., achieve good economic benefits, environmental protection and energy saving benefits, and benefit the region Effects of Environmental Protection and Expansion of Coking Coal Resources

Inactive Publication Date: 2015-09-09
太原钢城企业集团化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These wastes are easy to cause personal injury, pollute the transport belt, and corrode equipment. If they are not properly treated and utilized, they will not only pollute the environment, but also increase the production cost of the enterprise.
[0003] At present, some domestic enterprises are dealing with coke after making briquettes. Because tar residue, desulfurization waste liquid, and ammonium sulfate waste residue are acidic and alkaline, the composition is complex, containing coal powder, coke powder and heavy tar lumps. , containing various harmful carcinogens such as oil benzene, phenols, naphthalene, etc., due to the difference in acidity and alkalinity, it cannot be processed at the same time in the production process of briquette
If the raw material formula and production process are unreasonable, not only the molding rate is low, but the quality and strength of the refined coke are poor

Method used

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  • Coal briquette making and coal briquette coking production process by using coking wastes
  • Coal briquette making and coal briquette coking production process by using coking wastes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] refer to figure 1 , using coking "waste" to make briquette and briquette coking production process, from the coke oven feeding belt conveyor with 1 # The plow unloader intercepts the coking coal, and after passing through the coking coal buffer bin, it is transferred by 1 # The disc feeder adds coking coal to the primary mixer, and the proportion of coking coal added accounts for 70% of the total raw materials. At the same time, 9% of tar residue, 6% of desulfurization waste liquid, 10% of dedusting coal ash, and 5% of dedusting The coke ash is added to the primary mixer, mixed and stirred by the primary mixer, the stirred material enters the secondary mixer for mixing, and the secondary stirred material passes through 1 # Belt conveyor, bucket elevator, 2 # belt conveyor, 2 # The plow unloader is sent into the raw material buffer bin, and the raw material buffer bin is discharged through 2 # The disc feeder is sent to the forming machine for forming, and the formed...

Embodiment 2

[0017] refer to figure 2 , using coking "waste" to make briquette and briquette coking production process, from the coke oven feeding belt conveyor with 1 # The plow unloader intercepts the coking coal, and after passing through the coking coal buffer bin, it is transferred by 1 # The disc feeder adds coking coal to the primary mixer, and the proportion of coking coal accounts for 55% of the total raw materials. At the same time, 4% of acid tar, 8% of tar residue, 3% of ammonium sulfate waste residue, and 5% of desulfurization waste Liquid, 9% dedusting coal ash, 6% dedusting coke, and 10% peat are added to the primary mixer, mixed and stirred by the primary mixer, and the mixed material enters the secondary mixer for stirring, and the secondary mixed material passes through 1 # Belt conveyor, bucket elevator, 2 # belt conveyor, 2 # The plow unloader is sent into the raw material buffer bin, and the raw material buffer bin is discharged through 2 # The disc feeder is sent...

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Abstract

The invention discloses a coal briquette making and coal briquette coking production process by using coking wastes. Coking coal is stopped and taken from a coke oven loading belt conveyor by a plow type unloader, is transferred by a coking coal surge bunker, and then is added into a primary stirrer by a disk feeder; meanwhile the coking wastes are added into the primary stirrer according to a ratio to be mixed and stirred, the stirred materials enter a secondary stirrer to be stirred, the materials subjected to secondary stirring are fed into a material surge bunker by a belt conveyor, a bucket elevator and the plow type unloader, the materials discharged from the material surge bunker are fed into a forming machine to be formed by the disk feeder, and made coal briquettes are fed to the coke oven loading belt conveyor by the belt conveyor and are sent to a coke oven for coking together with coking coal. The coal briquette making and coal briquette coking production process has the beneficial effects of reducing enterprise production cost, expanding coking coal resources, solving the problem of difficultly treating waste residue and waste liquid generated by coking production, avoiding secondary pollution of the waste residue and the waste liquid, facilitating regional environmental conservation and achieving good economical benefit and environmental protection and energy saving benefits.

Description

technical field [0001] The invention relates to the technical field of coking "waste" recycling and utilization, in particular to the production process of using coking "waste" to make molded coal and molded coal coking. Background technique [0002] During the coke oven production process, the wastes produced include tar residue, desulfurization waste liquid, ammonium sulfate waste residue, dedusting coal ash, dedusting coke ash, etc. Tar residue: with lumpy viscous matter, which has a strong irritating odor and pollutes the air. Deflow waste liquid: there is coal powder, and when it is lower than 60°C, it will become a solidified viscous substance, and it will release a strong pungent odor. Ammonium sulfate waste residue: solidified viscous substance with a strong pungent odor. Cleaning slag from tar ships and storage tanks: solid slag with a strong pungent odor release. Overhaul waste residue: solid residue with a strong pungent odor release. These wastes are easy to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/04C10B57/04
Inventor 常玺泉郭存和李晨光贺世泽李永年
Owner 太原钢城企业集团化工有限公司
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