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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 , Solve the effect that tar is difficult to remove

Inactive Publication Date: 2006-06-14
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 gasification organic matter such as bamboo, wood, cloth, and agricultural and forestry wastes and 50 tons / day of pyrolysis organic matter such as waste plastics and rubber are crushed into suitable feed specifications for gasification furnace and cracking furnace. The gasifier uses a fluidized bed gasifier, and the cracking furnace uses a rotary cracking furnace.

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

Embodiment 2

[0030] 60 tons / day of gasification organics such as bamboo, wood, cloth fabrics and agricultural and forestry wastes and 35 tons / day of pyrolysis organics such as waste plastics and rubber are crushed into suitable feed specifications for gasification furnaces and cracking furnaces. The gasifier uses a fixed bed gasifier, and the cracking furnace uses a fixed bed cracking furnace.

[0031] The organic matter for gasification is fed in from the feed port of the gasifier, and oxygen or air enters from the air outlet of the gasifier through a blower. In order to improve the gasification effect, a steam inlet is provided on the gasifier. The temperature of the gasifier is controlled at 610℃. The slag produced by gasification is discharged from the slag discharge port of the gasification furnace. After the combustible gas is discharged, the ash in it is removed by a cyclone separator. The ash and slag can be combined or cooled and collected separately.

[0032]The organic matter for cr...

Embodiment 3

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

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

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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, the number of urban population continues to expand, and the amount of urban household waste is growing rapidly. Generally, urban household 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 categories are recyclable waste. Perishable organic food waste and high moisture content are common features 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 grown rapidly, and large and small high-calorific value waste (such as p...

Claims

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Application Information

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