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System and method for preparing activated carbon by energy cyclic utilization of waste tires

A technology for preparing activated carbon and waste tires, applied in chemical instruments and methods, climate sustainability, sustainable manufacturing/processing, etc., can solve the problems of low added value, high energy consumption, secondary pollution of solid products, etc. Eliminate toxic and harmful secondary pollutants and ensure stability

Inactive Publication Date: 2017-05-24
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the pyrolysis of waste tires in the prior art uses pyrolysis oil gas as the main recovery product, and the added value is not high, and the energy consumption of the entire pyrolysis system is high, and the solid products after pyrolysis may become secondary pollution sources

Method used

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  • System and method for preparing activated carbon by energy cyclic utilization of waste tires
  • System and method for preparing activated carbon by energy cyclic utilization of waste tires
  • System and method for preparing activated carbon by energy cyclic utilization of waste tires

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Embodiment approach

[0048] In the second aspect of the present invention, the present invention proposes a method for preparing activated carbon from waste tires. According to an embodiment of the present invention, the method is carried out using a system for preparing activated carbon. According to an embodiment of the present invention, the method includes: (1) sending waste tires to the pretreatment device for pretreatment, thereby obtaining pyrolysis raw materials; (2) sending waste tires after pretreatment to the pyrolysis furnace Perform pyrolysis treatment to obtain pyrolysis solid products and pyrolysis oil gas; (3) send the pyrolysis oil gas to a cooling and purification unit to obtain pyrolysis oil and pyrolysis gas; (4) convert the pyrolysis The gas is sent to the burner for combustion to provide heat for the pyrolysis furnace, and the combustion produces hot flue gas that can be used for the reaction of the multi-stage furnace; (5) the pyrolysis oil is sent to the pyrolysis oil stora...

Embodiment

[0064] Using waste tires as raw materials, use waste tires to prepare activated carbon system to prepare activated carbon. The process of preparing activated carbon system from waste tires is as follows: figure 2 Shown, utilize waste tire to prepare the method for activated carbon as follows:

[0065] (1) 10 tons of waste tires are crushed to obtain crushed materials with a particle size below 50 mm;

[0066] (2) Send the broken waste tires into the pyrolysis furnace for pyrolysis, and the materials are uniformly distributed on the distribution board, and the thickness of the material layer is 180mm. The pyrolysis furnace is equipped with a heating radiant tube, and the pyrolysis solid product (temperature is about 550°C) and pyrolysis oil gas (temperature is about 600°C) are obtained by pyrolysis, and the pyrolysis solid product is sent to the magnetic separation separator for separation After the metal is extracted, the remaining pyrolytic carbon is sent to the multi-stage...

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Abstract

The invention relates to a system and method for preparing activated carbon by energy cyclic utilization of waste tires. The system comprises a waste tire pyrolysis furnace, a magnetic separator, a multi-section furnace, a carbon dioxide separator, and a heat accumulating type pipe type heating furnace; the waste tire pyrolysis furnace is internally provided with a reaction chamber and a burner; the magnetic separator is provided with a pyrolysis solid inlet and a pyrolytic carbon outlet, and the pyrolysis solid inlet is connected with a pyrolysis solid outlet of the waste tire pyrolysis furnace; the carbon dioxide separator is connected with a flue gas outlet of the burner in the waste tire pyrolysis furnace, an inlet of the accumulating type pipe type heating furnace is connected with a separated carbon dioxide outlet of the carbon dioxide separator, and a first inlet of the multi-section furnace is connected with the pyrolytic carbon outlet of the magnetic separator. According to the system and method, waste tire processing realizes production with energy saving, consumption reduction, pollution emission reduction, resource regeneration and high added value.

Description

technical field [0001] The present invention generally relates to a treatment technology of waste tires, in particular to a system and method for preparing activated carbon by energy recycling of waste tires. Background technique [0002] With the rapid development of my country's automobile industry, waste tires are also growing at a double-digit rate every year. The production of waste tires in my country ranks second in the world, second only to the United States. More and more waste tires form "black pollution", which is threatening people's daily life. [0003] Waste tires are insoluble or insoluble polymer elastic materials with high elasticity and toughness, and will not change in the range of -50°C to 150°C. Waste tires are difficult to biodegrade. Long-term storage in the open air not only takes up a lot of land, Moreover, it will produce toxic and harmful gases, which will seriously pollute the environment. At present, the comprehensive utilization methods of was...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/324C01B32/336C01B32/39C10B53/07
CPCC10B53/07Y02P20/10Y02P20/143
Inventor 吴小飞巴玉鑫肖磊王惠惠房凯牛明杰宋敏洁吴道洪
Owner SHENWU TECH GRP CO LTD
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