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Pulverized coal pyrolysis treatment device and method

A processing device and pyrolysis technology, which is applied in the field of pulverized coal pyrolysis, can solve problems such as high energy consumption, high cost, and inability to separate gas and solid

Pending Publication Date: 2021-04-23
山东五枫环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To this end, the present invention provides a pulverized coal pyrolysis treatment device and method, which can turn off the plasma ignition device after the pulverized coal is stably combusted, and can continue to maintain the stable combustion state for a long time, solving the problems of the pulverized coal pyrolysis process in the prior art Problems of high energy consumption, high cost and ineffective gas-solid separation

Method used

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  • Pulverized coal pyrolysis treatment device and method
  • Pulverized coal pyrolysis treatment device and method
  • Pulverized coal pyrolysis treatment device and method

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Experimental program
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Embodiment 1

[0038] see figure 1 , figure 2 and image 3 , providing a pulverized coal pyrolysis treatment device, comprising a self-sustaining and stable combustion assembly 1, a combustion assembly 2 and a pyrolysis separation assembly 3;

[0039] The self-sustaining and stable combustion assembly 1 includes a combustion main casing 4, and the combustion main casing 4 is also connected with a primary air duct 5 and a secondary air duct 6, and a combustion stabilization chamber 7 is formed inside the combustion main casing 4 , one end of the combustion main casing 4 is formed with a burner spout 8 leading to the combustion stabilization chamber 7; the combustion stabilization ring 9 is provided inside the combustion stabilization chamber 7; the primary air duct 5 and the secondary air duct 6 are connected to the combustion-stabilizing ring 9, and the primary air duct 5 is connected with a plasma ignition device 10; the end of the combustion-stabilizing ring 9 near the plasma ignition d...

Embodiment 2

[0053] see Figure 4 , in the pulverized coal pyrolysis treatment device of the present invention, the four corners of the pulverized coal pyrolysis treatment device are fired in a circle and the front and rear walls are opposed to each other. In the reduction zone between the burnout zone and the burnout zone, the best appropriate location was obtained by a finite number of experiments.

Embodiment 3

[0055] see figure 1 , figure 2 and image 3 , The present invention also provides a pulverized coal pyrolysis treatment method, which is realized by using the above pulverized coal pyrolysis treatment device.

[0056] Specifically, the self-sustaining and stable combustion assembly 1 includes a combustion main casing 4, and the combustion main casing 4 is also connected with a primary air duct 5 and a secondary air duct 6, and a combustion stabilization chamber is formed inside the combustion main casing 4. 7. One end of the combustion main casing 4 is formed with a burner nozzle 8 leading to the combustion stabilization chamber 7; a combustion stabilization ring 9 is provided inside the combustion stabilization chamber 7; the primary air duct 5 and the secondary air The pipes 6 are connected to the combustion-stabilizing ring 9, and the primary air duct 5 is connected with a plasma ignition device 10; the end of the combustion-stabilizing ring 9 near the plasma ignition de...

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Abstract

The invention discloses a pulverized coal pyrolysis treatment device. A stable combustion cavity is formed inside a main combustion shell, a combustor nozzle communicating with the stable combustion cavity is formed in one end of the main combustion shell, a stable combustion ring is arranged inside the stable combustion cavity, a stable combustion ring inlet is formed in the end, close to a plasma ignition device, of the stable combustion ring, a stable combustion ring outlet is formed in the end, close to the combustor nozzle, of the stable combustion ring, a first backflow area is arranged on the side, close to the stable combustion ring inlet, of the stable combustion cavity, a second backflow area is arranged on the side, close to the stable combustion ring outlet, of the stable combustion cavity, a main primary air pipe communicates with a branch primary air pipe, a burner nozzle extends into the main primary air pipe and communicates with a burner, a pyrolysis separation assembly comprises a pyrolysis separation furnace body, the main primary air pipe communicates with the pyrolysis separation furnace body in the tangential direction of the pyrolysis separation furnace body, the pyrolysis separation furnace body is connected to a gas-phase nozzle and a solid-phase nozzle, and a double-cone separation piece is arranged at an elbow inlet in the upper part of the pyrolysis separation furnace body. According to the pulverized coal pyrolysis treatment device and method, a stable combustion state can be maintained for a long time, and gas and solid generated by pulverized coal pyrolysis can be effectively separated at low cost.

Description

technical field [0001] The invention relates to the technical field of pulverized coal pyrolysis, in particular to a pulverized coal pyrolysis treatment device and method. Background technique [0002] Industrial boilers are important thermal power equipment in my country's production and life, and more than 80% of them are coal-fired boilers, with an annual coal consumption of nearly 640 million tons. There are many specifications and varieties of coal-fired industrial boilers in my country, and the furnace types are different. For a long time, coal-fired industrial boilers in my country have generally low thermal efficiency and serious pollution problems. [0003] In the prior art, the coal-fired industrial boiler adopts the oil ignition technology, which is difficult to ignite the boiler and has potential safety hazards, and it takes a long time for the boiler to go from successful ignition to stable combustion. Compared with the oil ignition technology, the plasma igni...

Claims

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Application Information

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IPC IPC(8): F23D1/00F23C5/08F23Q7/04F23L1/00F23L9/00
CPCF23C5/08F23D1/00F23L1/00F23L9/00F23Q7/04
Inventor 唐宏刘士香田兆东魏珊珊
Owner 山东五枫环保科技有限公司