Multi-mode operation air pre-heater and waste heat recycling garbage power generation system with same

A technology of multi-mode operation and waste heat recovery, applied in machines/engines, steam generation, steam generation devices, etc., can solve problems such as poor economy and waste of energy in waste-to-energy systems, improve utilization efficiency, realize energy cascade utilization, output The effect of power increase

Pending Publication Date: 2021-07-09
SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a waste-to-energy system with multi-mode operation air preheater and waste heat recovery and utilization, which is used to solve the problems of energy waste and poor economy in the waste-to-energy system

Method used

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  • Multi-mode operation air pre-heater and waste heat recycling garbage power generation system with same

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Embodiment Construction

[0026] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention relates to a multi-mode operation air pre-heater and a waste heat recycling garbage power generation system with the same. The system comprises a garbage incineration boiler, a steam turbine, a power generator, the steam air pre-heater and a heat exchanger. The garbage incineration boiler communicates with the steam turbine, and the steam turbine communicates with the power generator. The garbage incineration boiler communicates with a steam inlet of the steam air pre-heater to form a boiler steam passage, the steam turbine communicates with the steam inlet of the steam air pre-heater to form a steam turbine steam passage, an air outlet of the steam air pre-heater communicates with an inlet of the garbage incineration boiler, a drain port of the steam air pre-heater communicates with an inlet of the heat exchanger, and the heat exchanger is used for providing heat exchange for a user system. Steam with different parameters can be extracted to serve as a heating steam source according to the operating load of a unit, the operating mode of the air pre-heater is optimized, the output power of the steam turbine is increased, gradient utilization of energy is achieved, waste heat can be recycled and supplied to the user system, and the energy utilization efficiency of the system is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of garbage incineration, and in particular relates to a garbage power generation system with multi-mode operation of an air preheater and waste heat recovery and utilization. Background technique [0002] With the progress of urbanization in my country and the continuous improvement of people's living standards, the amount of urban waste generated is also increasing. At present, waste incineration power generation is becoming more and more popular. The heat generated after waste incineration is absorbed by the waste heat boiler to generate steam to drive the steam turbine to generate electricity. The primary air steam air preheater of the garbage power plant adopts two-stage heating, in which the steam source of the high-pressure section is provided solely by steam drum extraction or the main steam of the steam turbine, and the steam source of the low-pressure section is provided by the first-stage extractio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/00F23G5/44F23G5/46F22B33/18F23L15/00F01K11/02F01D15/10
CPCF01D15/10F01K11/02F22B33/18F23G5/006F23G5/44F23G5/46F23G2206/10F23G2206/20F23L15/00Y02E20/12Y02E20/34
Inventor 郑磊钟平王安庆单绍荣聂雨王峰黄伟史燕红宋金时孟桂祥
Owner SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
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