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Multi-Zone Carbon Conversion System with Plasma Melting

a carbon conversion and multi-zone technology, applied in the direction of gasification process details, combustion process, combustible gas production, etc., can solve the problem of becoming less desirable to dispose of waste materials by incineration

Inactive Publication Date: 2011-03-17
PLASCO ENERGY GROUP INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

An object of the present invention is to provide a multi-zone carbon converter for converting processed feedstock into syngas and slag. In accordance with an aspect of the invention, there is provided a multi-zone carbon converter comprising a carbon conversion zone having one or more processed feedstock inputs, one or more syngas outlets and a heated air input in communication with a slag zone for melting ash and / or for maintaining slag in a molten state comprising a plasma heat source and slag outlet. The carbon conversion and slag zones are separated by an inter-zonal region or inter-zone comprising an impediment for restricting or limiting movement of material between the carbon conversion zone and the slag zone.

Problems solved by technology

It is becoming less desirable to dispose of waste material by incineration because of the extreme waste of fuel in the heating process and the further waste of disposing, as a residual waste, material that can be converted into a useful syngas and solid material.

Method used

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  • Multi-Zone Carbon Conversion System with Plasma Melting
  • Multi-Zone Carbon Conversion System with Plasma Melting
  • Multi-Zone Carbon Conversion System with Plasma Melting

Examples

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example 1

Referring to FIGS. 8, 11, 18 to 25, the multi-zone carbon converter (110) is zonally segregated by an interzonal region (112) into a upper carbon conversion zone (111) and lower slag melting zone (113). The carbon conversion zone (111) is maintained at a temperature of about 950° C. to about 1100° C. and the slag melting zone is maintained at a temperature of about 1350° C. to about 1600° C.

Referring to FIGS. 8, 11, 18 to 25, in the illustrated embodiment the multi-zone carbon converter (110) comprises a refractory-lined vertically-oriented chamber (115) having a processed feedstock input (120), gas outlet (125), a slag outlet (130), and zone-specific heating system (i.e. a system that can establish two temperature zones) comprising an air box (135) and plasma torch (140). If necessary, the processed feedstock input is optionally equipped with a grinder (not shown) to homogenize the size of the inputted material.

The chamber (115) is a refractory-lined steel weldment having a substan...

example 2

The general structure and design of the multi-zone carbon converter is as described above, in that the carbon conversion zone and slag zone are substantially the same as that described in Example 1. Referring to FIGS. 10 and 26, in the illustrated embodiment the multi-zone carbon converter (310) comprises a refractory-lined vertically-oriented chamber (315) having a processed feedstock input (not shown), syngas outlet (325), a slag outlet (330), and zone-specific heating system (i.e. a system that can establish two temperature zones) comprising an air inlets (not shown) and plasma torch (340).

Referring to FIGS. 10 and 26, the inter-zonal region comprises a physical impediment to regulate the flow of material from the carbon conversion zone to the slag zone. In the instant embodiment, the physical impediment comprises a series of substantially parallel refractory line tubes (345) mounted within a mounted with a mounting ring (350). The tubes are mounted such that there is a gap (355)...

example 3

The general structure and design of the multi-zone carbon converter is as described above, in that the carbon conversion zone and slag zone are substantially the same as that described in Example 1. Referring to FIG. 27, in the illustrated embodiment the multi-zone carbon converter (210) comprises a refractory-lined vertically-oriented chamber (315) having a processed feedstock input (not shown), syngas outlet (not shown), a slag outlet (230), and zone-specific heating system (i.e. a system that can establish two temperature zones) comprising an air inlets (not shown) and plasma torch (240).

Referring to FIG. 27, the inter-zonal region comprises a physical impediment to regulate the flow of material from the carbon conversion zone to the slag zone. In the instant embodiment, the physical impediment comprises a series of interconnected refractory bricks (245). The bricks are mounted on a mounting element (250) such that there are gaps (255) between adjacent bricks.

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Abstract

A multi-zone carbon converter for converting processed feedstock to syngas and slag is provided comprising a chamber comprising a carbon conversion zone in communication with a slag zone for melting ash into molten slag and / or for maintaining slag in a molten state by the application of plasma heat. The carbon conversion zone and the slag zone are separated by the inter-zonal region that comprises an impediment for restricting or limiting the movement of material between the two zones. The inter-zonal region may also provide for the initial melting of the ash into molten slag by affecting the transfer of plasma heat from the slag zone.

Description

FIELD OF THE INVENTIONThis invention pertains to the field of carbonaceous feedstock gasification and in particular, to a multi-zone carbon converter.BACKGROUND OF THE INVENTIONGasification is a process that enables the conversion of carbonaceous feedstock, such as municipal solid waste (MSW) or coal, into a combustible gas. The gas can be used to generate electricity, steam or as a basic raw material to produce chemicals and liquid fuels.Possible uses for the gas include: the combustion in a boiler for the production of steam for internal processing and / or other external purposes, or for the generation of electricity through a steam turbine; the combustion directly in a gas turbine or a gas engine for the production of electricity; fuel cells; the production of methanol and other liquid fuels; as a further feedstock for the production of chemicals such as plastics and fertilizers; the extraction of both hydrogen and carbon monoxide as discrete industrial fuel gases; and other indus...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F23G5/027
CPCF23G5/0276C10J2300/1634F23G5/165F23G5/46F23G5/50F23G2201/301F23G2201/304F23G2202/104F23J2900/01002C10J2200/36C10J3/18C10J3/60C10J3/721C10J3/74C10J3/84C10K3/001C10J2300/094C10J2300/0956C10J2300/1238F23G5/085
Inventor TSANGARIS, ANDREASBACON, MARE
Owner PLASCO ENERGY GROUP INC
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