Waste plastic processing method for increasing coke strength and its apparatus system

A processing method and coke strength technology, which is applied in the field of waste plastic processing methods and systems for improving coke strength, can solve the problems of low waste plastic processing capacity, failure to improve, and complicated waste plastic processing technology, so as to save investment and operation Cost, increase coke strength, low processing cost

Inactive Publication Date: 2005-02-16
SHOUGANG CORPORATION
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Problems solved by technology

[0011] Aiming at the defects of relatively complex processing technology of waste plastics, low processing capacity of waste plastics, easy segregation of waste plastics and coal, and failure to improve coke strength in the existing domestic and foreign patented technology of using coke oven to treat waste plastics

Method used

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  • Waste plastic processing method for increasing coke strength and its apparatus system
  • Waste plastic processing method for increasing coke strength and its apparatus system

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specific Embodiment

[0023] Concrete embodiment: carry out test with 200kg test coke oven, the specification of test coke oven is: body of furnace effective length 800mm, effective height 900mm, width is 450mm, coal charge 230kg (dry coal), coking time is 18 hours, coke cake The core temperature is greater than 950°C. The raw materials used in this embodiment include coking coal blending (BC), waste plastics (MP) and coal pitch; waste plastics are processed according to the above-mentioned process, first the waste plastics are broken into pieces smaller than 10 mm, and then a certain amount of coal is preheated to 190°C, then mix waste plastic fragments with preheated coal, co-heating and melting time is 2min, take out the mixed material and mix with a certain amount of coking coal or add a certain amount of coal pitch to prepare 200kg coke oven test raw material. The coke produced in the 200kg coke oven coking test was subjected to sieving test and drum test to test its crushing strength (M40) an...

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Abstract

The invention publishes a kind of process method of plastic waste to improve coke's intensity and the setting system. It relates to technique and setting of plastic waste. The characteristic of process method of the plastic waste follows this. teat the plastic waste by hot-melt method and then carbonize it with coal blending by special ratio to improve the quality of coke. The setting system is composed by feedway, breaking plant, heat flux plant, hot-melt plant, carrying vehicle and coking and coal blending mixing device. The invention's advantage rest with that many complicated working processes are not needed such as air sizing and graining because of hot-melt process. It can solve the problem that mixture of plastic and coal liquating is not odds and can reduce or eliminate the use of additives. So the quality of coke can be improved by plastic waste or additives and the the working cost and operating cost can be reduced by far.

Description

technical field [0001] The invention belongs to the field of co-coking treatment of waste plastics and coal, and relates to waste plastics processing technology and a method and system for improving the strength of metallurgical coke by using waste plastics, in particular to a waste plastics processing method and system for improving the strength of coke. technical background [0002] 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 mill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00C10B57/06
Inventor 廖洪强赵鹏何亚斌余广炜钱凯
Owner SHOUGANG CORPORATION
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