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Pyrolysis device and method for in-situ conversion of carbon-containing resources by microwave-assisted pyrolysis

A microwave-assisted and pyrolysis technology, applied in the field of waste recycling equipment, can solve the problems of inconvenient starting and parking, increased energy consumption, long-term preheating, etc. Effect

Active Publication Date: 2012-10-10
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chen Hanping and the University of Western Ontario in Canada proposed mobile biomass pyrolysis liquefaction systems, but they all used fluidized bed reactors, which required carrier gas and fine particle raw materials, increased energy consumption and diluted gas products, and required It takes a long time to warm up, and it is inconvenient to drive and stop

Method used

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  • Pyrolysis device and method for in-situ conversion of carbon-containing resources by microwave-assisted pyrolysis
  • Pyrolysis device and method for in-situ conversion of carbon-containing resources by microwave-assisted pyrolysis
  • Pyrolysis device and method for in-situ conversion of carbon-containing resources by microwave-assisted pyrolysis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0141] Example 1: Microwave-assisted pyrolysis of corn stalks

[0142] Put the pyrolysis device on an agricultural trailer, enter the corn stalk drying site, and send the collected 1200 kg corn stalks to the slicer for slicing. The particles are sent to the silo by the crawler conveyor through the bucket elevator, and then enter the microwave-assisted pyrolysis reactor; in the microwave-assisted pyrolysis reactor, the corn straw particles are absorbed by the microwave magnetron and transmitted through the waveguide Rapid heating and pyrolysis after microwave energy;

[0143] The generated condensable steam, together with other gases and solid particles (pyrolysis semi-coke), enters the solid outlet of the microwave-assisted pyrolysis reactor through the cyclone separator, and enters the semi-coke ash hopper (that is, the pyrolysis carbon cooler 9) for cooling A part of the semi-coke is removed from the system through the slag storage device 11 as a by-product or molded in sit...

Embodiment 2

[0146] Example 2: Microwave-assisted pyrolysis of dry branches and leaves

[0147] Put the pyrolysis device on a small trailer, enter the forest site, and send 1,800 kg of dry branches and leaves collected into a small granule molding machine to be pressed into granules. ; The particles that meet the requirements are sent into the silo through the bucket elevator, and then enter the microwave-assisted pyrolysis reactor; Rapid heating and pyrolysis after microwave energy;

[0148] The generated condensable steam, together with other gases and solid particles (pyrolysis semi-coke), passes through the gas-solid separator 4 and enters the solid outlet of the microwave-assisted pyrolysis reactor, and enters the semi-coke ash hopper (that is, the pyrolysis carbon cooler 9 ) cooling, a part of semi-coke is removed from the system through the slag storage device 11 as a by-product or formed in situ to make a lump charcoal product; the other part of semi-coke is used as a microwave ab...

Embodiment 3

[0151] Example 3: Microwave-assisted pyrolysis of waste tires

[0152] A certain number of waste tires are processed by a slicer and a wire stripper to form waste tire particles. The characteristic size of the waste tire particles is not greater than 20mm; the waste tire particles are sent to a mobile pyrolysis device, and the feeding rate and microwave-assisted heating are controlled. The power of the pyrolysis reactor is used to collect pyrolysis semi-coke (carbon black) and pyrolysis oil. The relationship between the product yield and the power used in the test is shown in the table below:

[0153]

[0154] Instructions: Keep feed rate the same.

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Abstract

The invention discloses a pyrolysis device for in-situ conversion of carbon-containing resources by microwave-assisted pyrolysis. The device comprises a microwave-assisted pyrolysis reactor, a solid outlet of the reactor is connected with an inlet of a pyrolytic carbon cooler, an outlet of the pyrolytic carbon cooler is connected with a slag storer through a deslagging machine, a gas outlet of the reactor is connected with an inlet of a condenser through a pipeline, the condenser is provided with a gas-liquid separator, a gas outlet of the condenser is connected with a gas purifier, an outlet of the gas purifier is connected with a gas compressor, a liquid outlet of the condenser is connected with a liquid circulating pump, then one branch of the condenser is connected with an oil storage tank, and the other branch of the condenser is connected back to the condenser through a cooling medium circulating system. The invention further discloses a method for the in-situ conversion of the carbon-containing resources by the microwave-assisted pyrolysis. By the pyrolysis device and the method for the in-situ conversion of the carbon-containing resources by the microwave-assisted pyrolysis, various low-grade carbon-containing resources can be collected, stored and continuously produced at an economic scale.

Description

technical field [0001] The invention relates to waste resource utilization equipment, in particular to a pyrolysis device that uses microwave-assisted pyrolysis to convert carbon-containing resources in situ. The invention also relates to a method for in situ conversion of carbonaceous resources using microwave assisted pyrolysis. Background technique [0002] Pyrolysis technology is one of the thermochemical conversion methods of carbonaceous resources, and it is also the initial step in various gasification and combustion technologies, so the research on pyrolysis has received extensive attention all over the world in the past few decades . Pyrolysis refers to breaking the organic polymer molecules in carbon-containing resources into short-chain molecules by controlling the heating rate, product residence time and cracking temperature (200-800°C) under the condition of isolating oxygen or having a small amount of oxygen. The process that ultimately produces pyrolytic cha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10C10J1/213C10B49/00
CPCY02P20/10Y02W10/37Y02W10/40
Inventor 王小泉孙予罕廖波
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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