Coke and oxygen carrier particle separation device and method

A technology for particle separation and oxygen carrier, which is used in solid separation, cyclone devices, chemical instruments and methods, etc.

Inactive Publication Date: 2017-08-08
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing separation equipment mainly includes: cyclone separation equipment, dry mechanical separation equipment, butterfly type and horizontal screw type separation equipment, but the above equipment cannot be well used for the separation of high temperature particles

Method used

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  • Coke and oxygen carrier particle separation device and method

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Embodiment Construction

[0021] The coal char-oxygen carrier particle separation device of the present invention is composed of an oxygen carrier recovery area 1 , a disturbance separation area 2 and a coal char recovery area 3 . Oxygen carrier recovery area 1 includes oxygen carrier recovery pipe 1-1, loose air guide groove 1-2, first fluidization wind guide groove 1-3, fluidization wind second air guide groove 1-4, flow Bed transition section 1-5 and air distribution plate 1-6. The oxygen carrier recovery pipe 1-1 is connected to the fluidized bed free space 2-1 through the fluidized bed transition section 1-5, the air distribution plate 1-6 is arranged at the upper end of the fluidized bed transition section 1-5, and the fluidized air The first air guiding groove 1-3 and the second fluidizing air guiding groove 1-4 are respectively arranged on the left and right sides of the fluidized bed transition section 1-5, and the loose air guiding groove 1-2 is arranged in the oxygen carrier recovery pipe O...

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Abstract

The present invention discloses a coke and oxygen carrier particle separation device and method. The device is composed of an oxygen carrier recovery zone, a turbulence separation zone and a coke recovery zone. A mixture of coke and oxygen carrier particles enters into a fluidized bed, and the coke and oxygen carrier particles are separated in turn by a free space, turbulence plates and a divergent separation section in the turbulence separation zone. Ultimately, coke particles with a small specific gravity are discharged from the lower end of a cyclone separator and collected, and oxygen carrier particles with a large specific gravity fall into an oxygen carrier recovery tube at the lower end, thereby realizing separation and reutilization of the coke and oxygen carrier particles.

Description

technical field [0001] The invention relates to a method and a device for separating coal char-oxygen carrier particles, in particular to a method and a device for separating particles according to different specific gravity by using a spoiler using a physical method. Background technique [0002] In solid fuel chemical looping combustion devices, metal oxides are usually used as oxygen carriers. The oxygen carrier circulates between the fuel reactor and the air reactor to transfer the oxygen in the air to the fuel reactor. The outlet of the fuel reactor is only for CO 2 and water vapor, after condensing the water in it, a high concentration of CO is obtained 2 The chemical looping combustion process can realize CO 2 Internal separation, a new type of combustion technology, has been extensively studied. However, in the actual application of solid fuel chemical looping combustion, the oxygen carrier in the fuel reactor flows to the air reactor is often mixed with coal char...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B4/06B04C9/00
CPCB03B4/065B04C9/00
Inventor 陈时熠虞然向文国
Owner SOUTHEAST UNIV
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