Waste plastic and rubber reduction and reducing system

A waste plastic and waste rubber technology, which is applied in the field of waste plastic and rubber recycling, can solve the problems of non-recyclable combustible gas, waste, and unstable process, so as to solve the problem of coking at the bottom of the kettle, improve the efficiency of electricity use, and solve the problem of secondary pollution effect

Inactive Publication Date: 2009-06-24
SOUTH CHINA REBORN RESOURCES ZHONGSHAN
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  • Claims
  • Application Information

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Problems solved by technology

At present, there are still many deficiencies in this technology, mainly manifested in problems such as unstable process, high energy consumption, low efficiency, incomplete cracking, and easy occurrence of sticking to the bottom; in addition, the final combustible gas cannot be recovered and discharged directly. This is not only a waste, but also causes secondary pollution

Method used

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  • Waste plastic and rubber reduction and reducing system
  • Waste plastic and rubber reduction and reducing system
  • Waste plastic and rubber reduction and reducing system

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Experimental program
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Embodiment Construction

[0034] process flow

[0035] 1. Using waste plastic as raw material

[0036] Raw materials—drying—crushing—feeding—catalysis—cracking—condensation—filtration—products.

[0037] After the waste plastics are broken, send them into the cracking kettle 21 by means of pipeline 2 air delivery, and at the same time add 1-3‰ natural zeolite according to the weight ratio, and set an electronic induction breaker on the induction frequency conversion closed loop to control the pressure from being too high; temperature control Set the temperature on the device, set the temperature in the upper part of the kettle to 300C, set the temperature in the lower part of the kettle to 420C, and the outer bottom of the kettle to 500C. Keep the temperature in the electric induction cracking kettle at 350C-400C. After the setting is completed, start to heat up at an average speed. Catalytic cracking reaction time is 3-4 hours. During the process of temperature rise, cracking catalytic reaction occurs...

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Abstract

A reduction method and system for processing waste plastics or rubber, the main features of which are the use of air feeding, heating and cracking, stirring with an anchor stirrer, high temperature vacuum slag removal, recycling of fuel oil, and recycling of combustible gas. It has the advantages of high efficiency, energy saving and environmental protection.

Description

technical field [0001] The invention relates to a recycling method of waste plastics and rubber, mainly referring to a reduction method and system for processing waste plastics and rubber. Background technique [0002] Plastic and rubber are by-products of the oil and gas production process, including production and daily necessities, such as various plastic products, bags, films, etc., as well as various rubber products, involving almost every industry. Plastic products become garbage after use, and there is a problem of recycling. Now the landfill method is mainly used, so while occupying a large amount of land, it also seriously pollutes the environment. For a long time, people have been studying the technology of recycling and utilizing waste plastics. A common way is to convert waste plastics into fuel oil. The method mainly includes cracking waste plastics in a cracking furnace under high temperature and high pressure into oil vapor, then cooling and fractionating to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G1/10C09C1/48
Inventor 黄麒
Owner SOUTH CHINA REBORN RESOURCES ZHONGSHAN
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