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A coking process and device

A technology of a process and a pretreatment device, which is applied in the field of waste oil utilization and coal processing, can solve the problems of high-value utilization, etc., and achieve the effects of improving the shortage situation, being beneficial to environmental protection, and having a wide range of applications.

Active Publication Date: 2021-09-03
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many low-quality coals cannot be used as coal blends for coking, which also prevents high-value utilization

Method used

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  • A coking process and device
  • A coking process and device

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Experimental program
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Embodiment 1

[0035] Such as figure 1 and 2 As shown, a coking device includes a de-impurity purification tower 1, a grease storage tank 2, and a preprocessor 3 connected in sequence, and a crusher 4 is sequentially connected with a first classifying screen 5, a first hoist 6, and a first hoist 6 Connect the preprocessor 3, the preprocessor 3 has the mixer 7, the discharge valve 16, the discharge port 14, the first filter screen 9, the first coal pusher 8, the discharge port 14 is connected to the pulverizer 21, and the preprocessor The bottom of 3 is connected to the first filter press 11, and the side is connected to the grease middle tank 10. The top of the preprocessor 3 and the lower side of the filter screen are connected to a first control valve 15, and the first control valve 15 is connected to a converter 18. The converter 18 is respectively connected to the inert gas bottle 19 and the vacuum pump 20; the mineral storage tank 12 is placed at the bottom of the first filter press 1,...

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PUM

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Abstract

The invention discloses a coking process and a device. Waste grease is mixed with coal in a pretreatment device through decontamination, and then pretreated coal and liquid are separated by vacuum filtration; The liquid is separated from oil and water to separate oil and water; after separation, the oil enters the pre-hydrolysis device and the pretreated coal is mixed for reaction, and the separated water is subjected to pressure filtration to obtain pressure filtered water and minerals; the reacted oil and coal mixture The filtered oil is collected, and then the filtered coal is coked in a coke oven to obtain coke; the collected filtered oil is subjected to pressure filtration to obtain coal slime and filter press grease, and the coal slime and the filtered coal are put into the coke oven together for coking, and then pressed. Filter the grease to separate low boilers by distillation first, and then separate medium boilers by rectification, and the rectified grease with high boilers is returned to the pretreatment device for recycling. The invention develops a new way of coking and processing of bituminous coal, expands the coal types of coking coal, and improves the shortage of coking coal resources.

Description

technical field [0001] The invention relates to a coking process and device, belonging to the fields of waste oil utilization and coal processing. Background technique [0002] The return of waste oil to the dining table will seriously endanger people's health. It comes from a wide range of sources, such as frying oil, waste oil, hog oil, and expired oil. "Gutter oil" generally refers to the oil produced and processed from non-food raw materials such as kitchen waste, meat processing waste, and livestock and poultry products that fail inspection and quarantine. Because animal and vegetable fats and oils will produce highly toxic aflatoxin, benzopyrene and other carcinogens through high-temperature oxidation, which will cause great harm to people's health. Therefore, the research and development of waste oil utilization methods benefit and protect people's healthy life, which has important social value and significance. [0003] Coal occupies a dominant position in the ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L9/02C10B57/08C10B53/04C11B13/00C10B57/04
CPCC10B53/04C10B57/04C10B57/08C10L9/02C11B13/00Y02E50/10Y02W30/74
Inventor 张继龙王美君张露雅杨艳芳王海苹
Owner TAIYUAN UNIV OF TECH
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