Heat load adjusting system for combined heat and power generation of gas turbine and control method thereof

A gas turbine and combined heat and power generation technology, which is applied to gas turbine devices, steam generation methods using heat carriers, heating systems, etc., can solve problems such as heat load fluctuations, achieve high power generation efficiency, improve economic benefits, and high stability Effect

Pending Publication Date: 2018-10-12
上海力顺燃机科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the actual operation of cogeneration projects

Method used

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  • Heat load adjusting system for combined heat and power generation of gas turbine and control method thereof
  • Heat load adjusting system for combined heat and power generation of gas turbine and control method thereof
  • Heat load adjusting system for combined heat and power generation of gas turbine and control method thereof

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Embodiment Construction

[0044] In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the specific embodiments of the present invention will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings and obtained Other embodiments.

[0045] In order to make the drawings concise, each figure only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product as a product. In addition, in order to make the drawings concise and easy to understand, in some drawings, only one of the components with the same structure or function is schematically shown, or only one of them is marked. In this article, "a" not only means "only this one", but can also mean "more than one".

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Abstract

The invention discloses a heat load adjusting system for combined heat and power generation of a gas turbine and a control method thereof. The system comprises a gas turbine electronic production system, an afterheat boiler, an energy storage subsystem and a heat user subsystem; when the user heat load is low, smoke from the gas turbine electronic production system flows through the energy storagesubsystem and exchanges heat with the energy storage subsystem to flow to the afterheat boiler; fed water is conveyed to the heat user subsystem after being heated as steam through the afterheat boiler; when the user heat load is high, the smoke from the gas turbine electronic production system flows to the afterheat boiler; the fed water is conveyed to the heat user subsystem after being heatedas the steam through the afterheat boiler and the energy storage subsystem; when the user heat load is balanced, the smoke from the gas turbine electronic production system flows to the afterheat boiler; the energy storage subsystem is closed; and the fed water is conveyed to the heat user subsystem after being heated as the steam through the afterheat boiler. Under the working condition of maintaining full-load operation of the gas turbine, the demands of terminal heat users are met.

Description

Technical field [0001] The invention belongs to the technical field of cogeneration and waste heat utilization, and in particular relates to a heat load regulation system and a control method for a gas turbine cogeneration. Background technique [0002] The gas turbine with a waste heat boiler can easily realize cogeneration and flexibly meet the multiple needs of users for heat and power. The main form of the system is that the high-temperature flue gas discharged from the gas turbine is recovered and converted into steam through the waste heat boiler. However, in the actual operation of the cogeneration project, the heat load required by the end heat users will fluctuate. In the past, the thermal load was adjusted by adjusting the output of the gas turbine. However, the advantage of the gas turbine is that it has the highest power generation efficiency and the best economic benefits under full load conditions. Therefore, how to meet the heat load required by the end heat users...

Claims

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Application Information

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IPC IPC(8): F24D1/08F22B1/18F22B1/10F02C6/18F28D20/00F28F27/02
CPCF02C6/18F22B1/10F22B1/18F24D1/08F28D21/00F28F27/02F28D2020/006Y02E20/14
Inventor 林玉珍张耀冬何晓东章海东
Owner 上海力顺燃机科技有限公司
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