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Combined heat and power generation unit coupling air energy storage compression heat supply system and optimized operation method

A technology of cogeneration unit and air energy storage, applied in design optimization/simulation, computer-aided design, electrical digital data processing, etc., can solve problems such as high profitability, and achieve the effect of broad application prospects

Active Publication Date: 2021-10-22
XIAN THERMAL POWER RES INST CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the multi-variable complex constraints such as given heating load, grid-assisted peak regulation compensation policy, and the correlation characteristics of cogeneration unit power generation load-heat supply load-standard coal consumption, how to use electricity and heat loads in cogeneration units and air Reasonable optimal distribution of compression energy storage heating system maximizes the overall profitability. Currently, there is no relevant optimization method

Method used

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  • Combined heat and power generation unit coupling air energy storage compression heat supply system and optimized operation method
  • Combined heat and power generation unit coupling air energy storage compression heat supply system and optimized operation method
  • Combined heat and power generation unit coupling air energy storage compression heat supply system and optimized operation method

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Embodiment

[0081] In order to clearly describe the implementation process of the optimal operation method of the combined heat and power unit coupled with the air energy storage compression heating system proposed by the present invention, a certain cogeneration unit is added with a compressed air energy storage system as an example, figure 1 It is a schematic diagram of the system of this embodiment.

[0082] The combined heat and power unit adopts the method of extracting steam from the middle exhaust to the heat network heater to heat the circulating water for heating and supplying heat to the outside. At the same time, it implements the zero-output heating transformation of the low-pressure cylinder. Two heating modes.

[0083] In order to improve the peak shaving capacity, the combined heat and power unit has added a compressed air energy storage system.

[0084] see figure 1 , the new steam from the outlet of boiler 1 enters the high-pressure cylinder 2 to do work, and the exhaus...

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Abstract

The invention discloses a combined heat and power generation unit coupling air energy storage compression heat supply system and an optimized operation method. Under the multivariable constraint conditions of heat supply, power supply, peak regulation compensation policies and the like, the maximum profit value is used as an optimization target function, and through reasonable distribution of electric loads and heat loads in a combined heat and power generation unit and an air energy storage expansion power generation system, the air energy storage coupling combined heat and power generation unit compression heat supply mode optimization operation condition is obtained. According to the optimization operation method, the optimization target is visual, and the method has a wider application prospect under the general trend of production reality, rapid development of new energy such as wind and light, and additional energy storage of a thermal power generating unit.

Description

technical field [0001] The invention belongs to the field of cogeneration heat supply of coal-fired generating units, and in particular relates to a cogeneration unit coupling air energy storage compression heating system and an optimized operation method. Background technique [0002] Affected by factors such as the adjustment of fossil energy structure and environmental pollution control, the transformation and upgrading of my country's power structure has accelerated, and the development of new energy sources such as wind and light has developed rapidly and a high proportion of grid-connected power generation. Due to the intermittent, time-varying and fluctuating nature of renewable energy such as wind and light, the power system is required to improve its regulation capacity. However, at this stage, my country's power system does not have an excellent regulated power supply, and thermal power units that require installed capacity and power generation account for the majo...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q50/06G06F111/04G06F119/08G06F119/14
CPCG06F30/20G06Q10/04G06Q50/06G06F2111/04G06F2119/08G06F2119/14
Inventor 马汀山吕凯石慧王妍居文平许朋江张建元薛朝囡邓佳林轶
Owner XIAN THERMAL POWER RES INST CO LTD
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