Device and method for cooperatively removing gaseous pollutants by plasma-supergravity coupling

A technology for removing gas and plasma, applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve problems such as uneven distribution of gas and solids, reduce mass transfer, etc., and achieve the effect of improving removal efficiency

Active Publication Date: 2015-11-11
SOUTHEAST UNIV
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Problems solved by technology

Due to the limitation of the gravity field, there are many defects in the traditional fluidized bed, such as: surge of large particles, entrainment of small particles, cohesion, gas short circuit cause

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  • Device and method for cooperatively removing gaseous pollutants by plasma-supergravity coupling
  • Device and method for cooperatively removing gaseous pollutants by plasma-supergravity coupling

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Embodiment Construction

[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings.

[0024] The plasma-high gravity coupling cooperative gas pollutant removal device of the present invention combines low-temperature plasma and high-gravity technology. It includes a flue gas pipeline 1, a high-voltage discharge electrode 2, a quartz dielectric layer 3, a non-metallic frame 7 and a ground electrode 4. The upper end of the flue gas pipeline 1 passes through the reactor shell 9, and its lower end is located in the non-metallic frame 7 with holes on the side. , the high-voltage discharge electrode 2, the quartz dielectric layer 3 and the non-metallic frame 7 are arranged in order from top to bottom around the flue gas pipe 1, the grounding electrode 4 is arranged directly under the non-metallic frame 7, and the non-metallic frame 7 is equipped with a solid adsor...

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Abstract

The invention discloses a device and a method for cooperatively removing gaseous pollutants by plasma-supergravity coupling. According to the device and the method disclosed by the invention, multiple gaseous pollutants are decomposed and oxidized by using high-energy electrons and active groups generated by low-temperature plasma discharge; in a process that the gaseous pollutants flow through a solid adsorbent reactor rotating at high speed, gas containing the pollutants are in sufficient contact with a solid adsorbent by means of a supergravity effect generated by high-speed rotation of gas and solid, to generate a gas phase-solid phase adsorption and chemical reaction to finish substance conversion and purification processes between multiple gaseous pollutants and the solid adsorbent, and thus the pollutants are converted into non-toxic and pollution-free substances. The device and the device are applicable to dry-process combined removal of multiple pollutants in flue gases and various wastes gas generated by combustion, gasification, incineration and the like in the fields of energy resources, chemical engineering, building materials, metallurgy and the like containing multiple gaseous pollutants.

Description

technical field [0001] The invention belongs to the application field of combined dry method removal of various gaseous pollutants in fossil fuel combustion, garbage incineration, various kiln flue gas and industrial waste gas, and relates to a device for plasma-supergravity coupling collaborative removal of gaseous pollutants and methods. Background technique [0002] Hazardous substances such as sulfur oxides, nitrogen oxides, organic compounds, mercury, and heavy metals emitted by fossil fuel combustion cause serious air pollution, causing serious harm to humans and the living environment. At present, air pollution control equipment mainly includes: electrostatic precipitator, bag filter, wet desulfurization and catalytic denitrification, etc., but most of the existing flue gas purification devices are single pollutant removal devices, which occupy a large area and have complicated processes. As environmental protection standards continue to improve, existing environment...

Claims

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Application Information

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IPC IPC(8): B01D53/32B01D53/00B01D53/02B01D53/60B01D53/64
Inventor 段钰锋张君赵蔚欣朱纯周强佘敏
Owner SOUTHEAST UNIV
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