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A technology of combustion device and combustion chamber, which is applied in the direction of gas turbine device, combustion chamber, combustion type, etc.

Active Publication Date: 2016-01-06
ANSALDO ENERGIA IP UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This cooling scheme has some disadvantages

Method used

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Embodiment Construction

[0018] Reference is now made to the drawings; the drawings include like reference numerals for like or similar parts throughout the several views.

[0019] Preferably, the combustion device is part of a gas turbine, such as a continuous combustion gas turbine 1 .

[0020] The continuous combustion gas turbine 1 comprises a compressor 2, a first combustion device 3, a first turbine 4 (high pressure turbine), a second combustion device 5 and a second turbine 6 (low pressure turbine). These gas turbines are well known in the art.

[0021] During operation, the compressor 2 compresses oxidant and supplies it to the first combustion device 3 . The oxidizing agent is usually air and is referred to below as air. The first combustion device 3 receives compressed air and fuel and burns them to produce hot gases which are partially expanded in the first turbine 4 . Exhaust gases from the first turbine 4 enter the second combustion unit 5 , where additional fuel is supplied and burned...

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Abstract

The combustion device includes a burner, a combustion chamber downstream of the burner, a lance projecting into the burner for fuel and air injection, and a plenum that at least partly houses the burner. The plenum is connected to the inside of the lance to supply an oxidiser to it.

Description

technical field [0001] The present disclosure relates to combustion devices. In particular, reference is made below to gas turbines (eg continuous combustion gas turbines), however it should be clear that the same arrangement can also be implemented in a different application (eg a furnace). Background technique [0002] refer to figure 1 , the gas turbine 1 has: a compressor 2, a combustion device 3, and a turbine 4; the compressor 2 produces high-pressure air, which is supplied to the combustion device 3 together with fuel, where they are combusted to produce hot gases, which are Expansion in turbine 4 (high pressure turbine); Exhaust gas from turbine 4. [0003] A continuous combustion gas turbine has a second combustion device 5 downstream of the high pressure turbine 4, wherein additional fuel is supplied to the exhaust gas and burned to produce hot gases which are then expanded in a second turbine 6 (low pressure turbine). [0004] In the second combustion device 5,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23R3/18F23R3/34F23C3/00F23G7/06F23R3/28
CPCF23C3/002F23R3/18F23R3/28F23R3/34F23R2900/03341F02C6/003F02C7/228
Inventor M.杜伊辛A.西亚尼A.伊罗格鲁
Owner ANSALDO ENERGIA IP UK LTD