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Multi-fuel system

A multi-fuel and fuel technology, applied in the field of multi-fuel systems, can solve the problems of unguaranteed continuous energy output, narrow fuel variety coverage, and high fuel quality requirements, and achieve continuous energy output, wide application range, and improved transmission efficiency. Effect

Active Publication Date: 2019-12-03
CHINA HANGFA SOUTH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a multi-fuel system to solve the technical problems existing in the existing multi-fuel system, such as large switching disturbances, unguaranteed continuous energy output during switching, high requirements on fuel quality and narrow coverage of fuel varieties

Method used

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Embodiment Construction

[0030] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0031] Such as figure 1 As shown, the first embodiment of the present invention provides a multi-fuel system, which is used to provide one or more types of fuels with different phases and different calorific values ​​to the combustion chamber of the gas turbine. The range of applicable fuel types is wide and can be used at any time It can switch between multiple fuels anywhere without shutting down for maintenance, and can ensure continuous energy output during the switching process of different fuels. The multi-fuel system includes gas fuel delivery pipeline systems, liquid fuel delivery pipeline systems, solid Fuel delivery pipeline system, air delivery pipeline system, multi-phase fuel nozzle 9 and electronic regulation controller 8, said gas fuel delivery pipe...

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Abstract

The invention discloses a multi-fuel system. According to the multi-fuel system, gas fuel, liquid fuel and solid fuel can be independently conveyed, and the conveying flow of various kinds of fuel canbe independently adjusted conveniently; besides, air can be input to play a role in assisting in atomizing the liquid fuel, and meanwhile, the liquid fuel is mixed with the powdery solid fuel to forma gas-solid mixture, so that the conveying efficiency of the solid fuel can be effectively improved; moreover, real-time technical state index parameters of the gas turbine and an external control instruction are obtained through the electronic adjustment controller, and the conveying capacity of various fuels is calculated according to the real-time technical state index parameters and the external control instruction; further, a fuel quantity adjusting instruction is sent to metering equipment in each conveying pipeline system; it is ensured that the total fuel quantity input into the combustion chamber of the gas turbine by each fuel conveying pipeline system meets the total energy requirement of the gas turbine, multiple kinds of fuel can be switched at any time and any place, shutdown maintenance is not needed, and continuous energy output can be ensured in the fuel switching process.

Description

technical field [0001] The invention relates to the technical field of gas turbines, in particular to a multi-fuel system. Background technique [0002] The current gas turbines, especially the aeroderivative gas turbines improved from aero-engines, mainly use a single fuel as the medium of use. Temporary stagnation, etc.), the fuel of the gas turbine may require local materials, what is burned; or due to the requirements of some special purposes (such as: a specific emission requirement), it is necessary to require multiple fuels to be produced in a specified ratio combustion. Due to the difference in phase (solid, liquid and gas) and calorific value among various fuels, it is necessary to develop a corresponding fuel supply system for each fuel. If you want to change a certain fuel, you need to replace the entire fuel supply system of the gas turbine, which will increase the maintenance cost and reduce the reliability of the gas turbine. In order to solve this problem, ...

Claims

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Application Information

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IPC IPC(8): F23R3/28F23N1/00
CPCF23N1/002F23R3/28
Inventor 曾维王丹王婵珂沈秀利谢卫红
Owner CHINA HANGFA SOUTH IND CO LTD