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Novel method for pyrogasification of organic waste

A technology for cracking gasification and organic waste, applied in combustion methods, incinerators, biofuels, etc., can solve problems such as difficult handling and transportation, poor cracking, and insufficient cracking of condensable gases and tars

Inactive Publication Date: 2014-08-20
VALWASTE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since cracking gases are produced as soon as the beads come into contact with the substance when the beads are introduced, this method does not adequately crack condensable gases and tars since these gases are no longer associated with the hot bead bed from the time they are produced to the time they are withdrawn. contact with residues
Such a small contact surface makes lysis poor and incomplete
Another disadvantage of this method is that when in cluster form, the beads tend to clump together, especially at high temperatures, and then they become difficult to handle and transport

Method used

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  • Novel method for pyrogasification of organic waste

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Embodiment Construction

[0025] These loop coils travel in the stationary shaft furnace in the same direction as the material to be cracked.

[0026] In the present invention, it is important to choose a toroidal coil instead of beads: the toroidal coil has the highest ratio between the heat exchange surface area and the weight, which is important because the toroidal coil is in the heating furnace It provides the best possible yield when heated and when energy is recovered and transferred to the material to be cracked. For example, a traditional heat-resistant steel ball (that is, a spherical shape with a diameter of 40 mm) weighs 261.4 grams and has a diameter of 5026.55 mm. 2 Exchange surface. For a weight substantially equal to 262 grams, it is possible to use a toroidal coil with an outer diameter of 60 mm and an inner diameter of 24 mm, resulting in a cross section of 18 mm. The exchange surface of this loop coil will be 7461.42mm 2 . For a relatively heavy steel, the exchange surface area ratio ...

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Abstract

The invention relates to a new method for cracking and gasifying organic waste. The method according to the invention uses a shaft furnace (1) filled with a metal block in the shape of a metal toroidal coil (2), previously heated to a high temperature (500 to 1100° C.) and organic matter (3) to be cracked . It also employs a furnace (9) for heating a toroidal coil (2) conveyed by an Archimedes screw (18) driven by a geared motor (19), and a separator for recovering mineral residues (12) ( 11), whereby the separation of the toroidal coil (2) and the residue (12) is achieved by means of a screen (14) and an Archimedes screw (15) driven by a gear motor (16). The treatment is applied to all products including organic matter derived from biomass and therefore considered renewable energy or non-biomass derived.

Description

Technical field [0001] The invention relates to a new method for cracking and gasifying organic waste. Background technique [0002] Pyrolysis gasification is a method of processing organic matter and recovering energy from organic matter. [0003] In this specification, "organic matter" and "organic waste" are understood to mean substances contained in waste and agricultural and biomass products and by-products. [0004] Energy recovery from waste and biomass is the most interesting today because of its commitment to effectively combat the greenhouse effect and the future shortage of fossil fuels. [0005] The method according to the invention utilizes the cracking and gasification of organic substances. [0006] There are several ways to recover energy from organic matter: [0007] -Incineration, a well-known and widely used method, is currently blamed for its installation cost and especially its high exhaust gas (dioxin, furan, heavy metal, etc.) treatment cost; [0008] -Methanation,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B49/16C10B49/18
CPCC10B53/02F23G2203/8013Y02E20/12F23G2900/50801F23G2201/302F23G2201/301Y02E50/14F23G2201/303C10B49/18C10B49/16F23G2206/203Y02E50/10Y02P20/133
Inventor 弗朗索瓦·胡斯泰奇艾伦·香泰莱特
Owner VALWASTE
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