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Method and system for improving metallurgical coke strength by utilizing waste plastics

A technology of metallurgical coke and waste plastics, applied in coke ovens, petroleum industry, etc., can solve the problems of coke strength not being significantly improved, reduce coke reactivity, increase coke strength, etc., achieve good industrial application prospects, and reduce coke ratio , Increase the effect of coal injection ratio

Inactive Publication Date: 2004-06-09
SHOUGANG CORPORATION
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Problems solved by technology

[0006] Aiming at the disadvantages of the existing foreign patented technology of using coke oven to treat waste plastics, the process is relatively complicated, and the coke strength has not been significantly improved. The purpose of the present invention is to provide a method with simple technology, which can significantly increase coke strength and reduce coke reactivity and system

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  • Method and system for improving metallurgical coke strength by utilizing waste plastics
  • Method and system for improving metallurgical coke strength by utilizing waste plastics

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Embodiment Construction

[0024] The method of using waste plastics to improve the strength of metallurgical coke, including waste plastics collection method, waste plastics and additives mixed processing method, waste plastics and additives and coking coal blending quantitative and uniform mixing method into furnace, waste plastics and additives mixture material and coal co-coking method And a method for recovering co-coking products. The collection methods of waste plastics include: (1) manual collection and sorting of waste plastics in office areas, commercial areas, campuses, residential areas, etc.; (2) collection and recycling of plastics from plastic production, processing, sales, and waste plastics Collection and sorting of waste plastics; (3) Collect waste plastics from municipal solid waste sorting stations, transfer stations and comprehensive garbage disposal sites through a combination of mechanical sorting and manual sorting. The waste plastic processing method mainly adopts the crushing m...

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Abstract

The present invention relates to a method for raising strength of metallurgical coke and its system. Said invention adopts traditional coking process and equipment, and adds waste plastics in the course of coking process, and is characterized by that after the waste plastics and additive are processed, they are added into coking furnace to implement co-coking with coking coal, at the same time of that the waste plastics are charred at high temp., and converted into coke, tar and gas the coke quality can be improved, crushing strength of coke M40 can be raised, abrasive resistance index of coke M10 is reduced, coke reactivity CPI is reduced and coke postreaction strength can be raised. Said system includes waste plastics processing system, additive and waste plastics mixing system, waste plastics and additive mixture and coking coal mixing system and traditional coking system.

Description

[0001] Said field: [0002] The invention belongs to waste plastic treatment technology and equipment and a method for improving the strength of metallurgical coke, in particular to a method and equipment for co-coking waste plastic and coal to improve coke strength. Background technique: [0003] With the rapid development of world economy and science and technology, the improvement of people's material living standards and the acceleration of urbanization, the output of urban solid waste has increased sharply. According to statistics, the current annual output of municipal solid waste in my country has exceeded 150 million tons, and is growing at a rate of 8% to 10% every year. About 2 / 3 of the cities in our country are surrounded by garbage. The waste plastics in my country's municipal solid waste accounts for about 4% to 10% of the total garbage, with an annual output of 5 to 6 million tons, and is growing at a rate of nearly 8% to 9% every year. [0004] At present, my ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B57/06
Inventor 廖洪强钱凯汤长庚赵鹏何亚斌余广炜吕劲程晓光
Owner SHOUGANG CORPORATION
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