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Treatment method of organic waste material for gasification cracking multi coproduction

A technology of organic waste and treatment method, which is applied in the field of organic waste gasification, cracking, polygeneration integrated treatment process, can solve the problems of single energy utilization form, secondary pollution, etc., achieve thorough waste resource treatment and improve quality , good heat transfer effect

Inactive Publication Date: 2008-04-02
南京绿展能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the pre-garbage sorting system, a large number of recyclables that are difficult to recycle are sorted out, mainly non-biodegradable organic wastes, such as some plastics, rubber, bamboo wood and fabrics, etc. If they are directly incinerated, they will also cause secondary pollution. Pollution and other serious problems, and the form of energy utilization is single, simply using its calorific value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 70 tons / day of organic matter for gasification such as bamboo, cloth, and agricultural and forestry waste, and 50 tons / day of organic matter for pyrolysis such as waste plastics and rubber, are respectively broken into suitable feed specifications for gasification furnace and cracking furnace. The gasification furnace adopts a fluidized bed gasification furnace, and the cracking furnace adopts a rotary cracking furnace.

[0025] The organic matter for gasification is sent in from the feeding port of the gasification furnace, and the oxygen or air enters from the air supply port of the gasification furnace through the blower. In order to improve the gasification effect, a steam inlet is provided on the gasifier. The gasification furnace is equipped with a pyrolysis solid charcoal feed port and a fractionation tower bottom residue oil nozzle, which can send the solid charcoal produced by the cracking organic waste cracking and the heavy residue oil produced by oil and gas...

Embodiment 2

[0030] 60 tons / day of organic matter for gasification such as bamboo, cloth, and agricultural and forestry waste, and 35 tons / day of organic matter for pyrolysis such as waste plastics and rubber, are respectively broken into suitable feed specifications for gasification furnace and cracking furnace. The gasifier adopts a fixed-bed gasifier, and the cracking furnace adopts a fixed-bed cracking furnace.

[0031] The organic matter for gasification is sent in from the feeding port of the gasification furnace, and the oxygen or air enters from the air supply port of the gasification furnace through the blower. In order to improve the gasification effect, a steam inlet is provided on the gasification furnace. The gasifier temperature is controlled at 610°C. The slag produced by gasification is discharged from the slag outlet of the gasifier, and the ash is removed by the cyclone separator after the combustible gas is discharged. The ash and slag can be combined or separately coole...

Embodiment 3

[0036] 65 tons / day of organic matter for gasification such as bamboo, cloth, and agricultural and forestry waste, and 55 tons / day of organic matter for pyrolysis such as waste plastics and rubber, are respectively broken into suitable feed specifications for gasification furnace and cracking furnace. The gasifier adopts a fixed-bed gasifier, and the cracking furnace adopts a fixed-bed cracking furnace.

[0037] The organic matter for gasification is sent in from the feeding port of the gasification furnace, and the oxygen or air enters from the air supply port of the gasification furnace through the blower. In order to improve the gasification effect, a steam inlet is provided on the gasification furnace. The gasifier temperature is controlled at 780°C. The slag produced by gasification is discharged from the slag outlet of the gasification furnace, and the combustible gas is removed by the cyclone separator at the gasification combustible gas outlet. The ash and slag can be c...

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Abstract

The present invention relates to an organic wastes gasification pyrolysis multiple coproduction integrated treatment process. Said process includes the following steps: physical pretreatment: feeding broken organics for gasification into gasification furnace to make gasification; discharging produced high-temperature gasified combustible gas from gasification furnace; heating pyrolysis furnace to pyrolysis temperature, feeding broken organics for pyrolysis into pyrolysis furnace to make pyrolysis reaction to produce oil-gas mixture and solid carbon; making oil-gas mixture undergo the process of heat exchange and be reached to proper temperature for making catalytic pyrolysis to make catalytic pyrolysis; feeding discharged oil-gas mixture into oil-gas fractional equipment so as to obtain fuel oil, non-condensable combustible gas and residuum.

Description

technical field [0001] The invention relates to an organic waste treatment method, in particular to an organic waste gasification cracking polygeneration integrated treatment process. Background technique [0002] With the acceleration of urbanization and the continuous expansion of urban population, the generation of municipal solid waste is increasing rapidly. Generally, municipal solid waste can be divided into 9 categories, including kitchen waste organic matter, inorganic matter, paper, cloth, plastic, rubber, metal, glass, bamboo and wood, among which the last 7 types are recyclable waste. Perishable kitchen waste organic matter and high moisture content are common characteristics of urban domestic waste in my country. With the improvement of residents' living standards, inorganic matter has declined rapidly, the proportion of perishable organic waste has increased significantly year by year, combustible matter has increased rapidly, and waste with high calorific valu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02C10G1/00
CPCY02E50/14Y02E50/10
Inventor 张志霄
Owner 南京绿展能源有限公司
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