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Method for burning refining residues

A residue and furnace technology, which is used in the field of burning and refining residue, can solve the problems of high cost and complicated treatment

Inactive Publication Date: 2011-11-09
GENERAL ELECTRIC TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Instead of burning these residues, other less environmentally harmful forms of disposal can be used, which are more complex and costly

Method used

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  • Method for burning refining residues
  • Method for burning refining residues
  • Method for burning refining residues

Examples

Experimental program
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Embodiment Construction

[0028] exist figure 1 In it, a boiler 1 comprises a furnace 2 into which fuel 3 surrounded by hot air 4 is fed. The injector 5 injects oxygen or oxygen-containing gas 50, residue 51 and recirculated exhaust gas 52 (where appropriate). A cooling liquid 53 such as water flows in the injector 5 to cool it. The injector 5 is arranged at the height of the hottest zone 20 of the furnace 2 . Additional air is injected via injector 6 to achieve staged combustion and thereby reduce NOx emissions, which is positioned above injector 5 so that the exhaust gas stays between the two injector heights 5 and 6 for 0.2 seconds to 5 seconds of time.

[0029] figure 2 Shown from above at the height of the hot zone 20 figure 1 The boiler 1. Fuel 3 and hot air 4 are injected at the corners of the boiler 1 . In this variant, the injector 5 is located in the middle of the side wall 21 of the furnace 2 , but it could also be located in the corner. The injection of fuel 3 at the corners create...

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PUM

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Abstract

The present invention relates to a method for burning crude oil refining residues in a boiler, including a furnace and injectors, characterized in that cooled gas containing oxygen is injected into the furnace in the hottest portion thereof to cause cracking of the tar or polycyclic aromatic hydrocarbons and the conversion thereof into basic materials that burn readily and thus pollute less.

Description

technical field [0001] The present invention relates to a method and apparatus for combusting residues from refining petroleum while minimizing emissions of nitrogen oxides and dust. Background technique [0002] These residues include tars, asphalt and pitches, which are of relatively low commercial value, including especially products that are solid at room temperature and have viscosities in excess of 500 centistokes at 100°C. They are often burned by refiners for their own purposes. In Europe, for example, the production of gas diesel for motor vehicles results in the generation of these residues. [0003] Their combustion in conventional boilers is not environmentally friendly, and new standards for emissions of sulfur oxides in Europe, especially in France, make this option impossible. These limits will also apply to dust, polycyclic aromatic hydrocarbons and volatile organic compounds. [0004] Instead of burning these residues, other forms of disposal that are les...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C5/32F23L7/00F23C9/00F23G7/00F23D1/00F23C1/00
CPCF23G7/008F23D2214/00F23L7/007Y02E20/344F23C1/00F23C9/003F23C5/32F23D1/00Y02E20/34
Inventor 让-泽维尔·莫林克里斯琴·埃诺尔特让-克劳德·福彻
Owner GENERAL ELECTRIC TECH GMBH