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Hazardous solid waste plasma processing method and device

A plasma and dangerous solid technology, applied in the field of plasma treatment, can solve problems such as inability to treat, and achieve the effects of complete treatment effect, high energy utilization efficiency and fast treatment speed

Pending Publication Date: 2019-09-27
INST OF MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fuel-fueled melting furnaces and electric melting furnaces currently in use cannot handle it thoroughly

Method used

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  • Hazardous solid waste plasma processing method and device

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A plasma treatment device for hazardous solid waste, including a feeder, a plasma furnace, a motor, a temperature controller, a conveyor, and a cooling device. The plasma furnace is equipped with a feeder at one end and a discharge port at the other end , the discharge port corresponds to the conveyor, and the outside of the conveyor is equipped with a cooling device; the temperature controller is connected to the thermocouple of the plasma furnace through a conductive wire; one end of the power supply is connected to the plasma furnace The crucible at the bottom is connected through a conductive wire, and the other end is connected with the graphite electrode on the top of the plasma furnace through an external conductive ring through a conductive wire; the graphite electrode is connected with a motor.

Embodiment 2

[0033] A plasma treatment device for hazardous solid waste, including a feeder, a plasma furnace, a motor, a temperature controller, a conveyor, and a cooling device. The plasma furnace is equipped with a feeder at one end and a discharge port at the other end , the discharge port corresponds to the conveyor, and the outside of the conveyor is equipped with a cooling device; the temperature controller is connected to the thermocouple of the plasma furnace through a conductive wire; one end of the power supply is connected to the plasma furnace The crucible at the bottom is connected by a conductive wire, and the other end is connected to the graphite electrode on the top of the plasma furnace by an external conductive ring through a conductive wire; the graphite electrode is connected to the motor;

[0034] The cooling device is a cooling water tank; the motor is a liftable motor; the power supply is a DC power supply; the plasma furnace uses DC plasma; the top of the plasma fu...

Embodiment 3

[0036] A plasma treatment device for hazardous solid waste, including a feeder, a plasma furnace, a motor, a temperature controller, a conveyor, and a cooling device. The plasma furnace is equipped with a feeder at one end and a discharge port at the other end , the discharge port corresponds to the conveyor, and the outside of the conveyor is equipped with a cooling device; the temperature controller is connected to the thermocouple of the plasma furnace through a conductive wire; one end of the power supply is connected to the plasma furnace The crucible at the bottom is connected by a conductive wire, and the other end is connected to the graphite electrode on the top of the plasma furnace by an external conductive ring through a conductive wire; the graphite electrode is connected to the motor;

[0037] The cooling device is a cooling water tank; the motor is a liftable motor; the power supply is a DC power supply; the plasma furnace uses DC plasma; the top of the plasma fu...

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Abstract

The invention discloses a hazardous solid waste plasma processing device. The device comprises a feeder, a plasma furnace, a motor, a temperature controller, a conveyor and a cooling device, wherein the feeder is arranged at one end of the plasma furnace, the other end is provided with a discharge port, the discharge port corresponds to the conveyor, the cooling device is arranged on the outer side of the conveyor, the temperature controller is connected with a thermocouple of the plasma furnace through a conductive wire, one end of the power supply is connected with a crucible at the bottom of the plasma furnace through a conductive wire, the other end of the power supply is connected with the graphite electrode at the top of the plasma furnace through a conductive wire, and the graphite electrode is connected with the motor. An automatic control combustion device is adopted, so that the dangerous solid waste is sufficiently combusted under the working condition of '3T+E', so that the dioxin and the NOX are effectively controlled.

Description

technical field [0001] The invention relates to the field of hazardous solid waste treatment, in particular to a plasma treatment method and device for hazardous solid waste. Background technique [0002] In the field of waste treatment, the treatment of hazardous solid waste has always been a research hotspot, and the treatment of pollutants such as dioxins, heavy metals, and toxic waste residues is the top priority. It is a key technical problem to be solved at present to develop waste treatment methods and devices with high efficiency, good safety and thorough treatment effect. [0003] Organic pollutants such as dioxin have the characteristics of high thermal stability and environmental stability. Fuel-fueled melting furnaces and electric melting furnaces currently in use cannot handle it thoroughly. Thermal plasma has the characteristics of high temperature and high energy density, fast processing speed, small device and large processing capacity; it can process vario...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
CPCB09B3/40
Inventor 魏小林张玉锋李腾
Owner INST OF MECHANICS - CHINESE ACAD OF SCI
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