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Energy-efficient power generation system capable of utilizing waste heat

A power generation system, waste heat power generation technology, applied to indirect heat exchangers, heat exchanger types, machines/engines, etc., can solve the problem that the waste heat of pebble beds cannot be recovered

Inactive Publication Date: 2015-09-23
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as the temperature of the pebble bed keeps decreasing, the refrigerant has a specific boiling point below which the waste heat of the pebble bed cannot be recovered

Method used

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  • Energy-efficient power generation system capable of utilizing waste heat

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Embodiment Construction

[0016] In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

[0017] figure 1 It is a schematic diagram of an embodiment of the present invention. The power generation system of this embodiment includes a high temperature and high pressure gas generator 1, a gas turbine 2, a generator 3, and a gas turbine bypass system. The high-temperature and high-pressure gas generator 1 is used to heat the gas entering it, such as nitrogen, to generate high-temperature and high-pressure gas, and the generated high-pressure, high-temperature gas is transmitted to the gas tu...

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Abstract

A power generation system comprises a bypass system used for preventing air from entering a turbine during emergency stop for throwing off loads, wherein the bypass system comprises a pebble bed. After bypass operation, a waste heat power generation system and a waste heat heating system are used for recycling waste heat of the pebble bed, the waste heat power generation system and the waste heat heating system are used alternately according to the waste heat recycling condition, and then the performance and efficiency of the power generation system are improved.

Description

Technical field [0001] The invention relates to a power generation system, in particular to a waste heat utilization power generation system with a steam turbine bypass system. Background technique [0002] The basic function of the power system is to maintain the balance of power load and power generation. With the continuous improvement of current production and living power consumption, the peak-to-valley difference of the power grid is gradually increasing, and peak shaving and even deep peak shaving of generator sets has become an indisputable fact . In order to adapt to the large fluctuations in the power load, the generator sets in the power system must frequently and greatly adjust the power generation to ensure the quality of power supply. [0003] At present, most of the power supply load adjustments in our country are done by generator sets. Therefore, the power adjustment range and speed of the generator sets have an important impact on the safety and stability of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F28D17/02
Inventor 韩少茹
Owner STATE GRID CORP OF CHINA