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100MW single-cylinder air-cooling photo-thermal steam turbine

A steam turbine, cold light technology, applied in mechanical equipment, engine components, combined engines, etc., to achieve the effects of high cycle efficiency, improved back pressure, and high safety

Pending Publication Date: 2021-11-19
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that there is no 100MW level capacity photothermal air-cooled steam turbine in the field of photothermal field, and to provide a 100MW single-cylinder air-cooled photothermal steam turbine

Method used

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  • 100MW single-cylinder air-cooling photo-thermal steam turbine
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  • 100MW single-cylinder air-cooling photo-thermal steam turbine

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specific Embodiment approach 1

[0026] Specific implementation mode one: combine Figure 1 to Figure 6 Describe this embodiment, a 100MW single-cylinder air-cooled photothermal steam turbine in this embodiment, which includes a high-pressure steam guide assembly, a medium-pressure steam guide assembly, and a high, medium, and low pressure combined cylinder module. section rotor 302, rotor 307 of the low temperature section of the steam turbine, low exhaust end steam seal 303, high exhaust end steam seal 304, front bearing housing 305, rear bearing housing 306, rotor thrust bearing a and rotor thrust bearing b, steam turbine high temperature section rotor 302 and The rotor 307 of the low-temperature section of the steam turbine is arranged horizontally, one end of the rotor 302 of the high-temperature section of the steam turbine is rotationally connected with the front bearing box 305 through the rotor thrust bearing a, and the front bearing box 305 is arranged on the ground, and the other end of the rotor 30...

specific Embodiment approach 2

[0030] Specific implementation mode two: combination Figure 1 to Figure 6 To illustrate this embodiment, the rear of each high-pressure regulating valve 13 and high-pressure steam inlet pipe 15 in this embodiment is provided with several regulating nozzles. With such a setting, the steam intake method of nozzle adjustment is adopted, and it has the ability to quickly adjust the load. Each high-pressure regulating valve 13 corresponds to a certain number of regulating stage nozzles, and the flow rate of the main steam entering the high-pressure cylinder 403 is controlled by the number and degree of opening of the high-pressure regulating valve 13 . Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0031] Specific implementation mode three: combination Figure 1 to Figure 6 To illustrate this embodiment, the high, medium and low pressure combined cylinder module of this embodiment also includes a high-pressure exhaust steam balance drum 311, a high-pressure steam inlet balance drum 312, and a medium-pressure steam inlet balance drum 313, and the high-pressure exhaust steam balance drum 311 is arranged at the high-pressure exhaust port At 3012, the high-pressure exhaust steam balance drum 311 is installed on the inner wall of the cylinder body 301, and the high-pressure steam inlet balance drum 312 is installed at the high-pressure steam inlet 3011, and the high-pressure steam inlet balance drum 312 is installed on the inner wall of the cylinder body 301, The medium-pressure steam inlet balance drum 313 is arranged at the medium-pressure steam inlet 3013, the medium-pressure steam inlet balance drum 313 is installed on the inner wall of the cylinder body 301, the high-pres...

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Abstract

The invention provides a 100MW single-cylinder air-cooling photo-thermal steam turbine, and relates to the technical field of photo-thermal power generation and steam turbines. The problem that no 100MW level capacity photo-thermal air-cooling steam turbine exists in the photo-thermal field in China is solved. One of the ends of N high-pressure steam inlet inserting pipes is inserted into one of N high-pressure steam inlets in a high-pressure cylinder correspondingly; a high-pressure main steam valve is mounted at one end of a high-pressure main steam pipeline, and N high-pressure adjusting valves are mounted on the outer wall of the other end of the high-pressure main steam pipeline and connected with the N high-pressure steam inlet inserting pipes correspondingly; one end of a high-pressure steam exhaust pipeline is connected with a high-pressure steam exhaust port in the high-pressure cylinder, and the other end of the high-pressure steam exhaust pipeline communicates with a steam inlet of a heat regenerative system; one end of a medium-pressure main steam pipeline communicates with a steam outlet of the heat regenerative system; a medium-pressure main steam valve is mounted at one end of the medium-pressure main steam pipeline, and the other end of the medium-pressure main steam pipeline is connected with a medium-pressure steam inlet in a medium-pressure cylinder; and a low-pressure steam exhaust port in the lower portion of a low-pressure steam exhaust cylinder is connected with an external condenser. The 100MW single-cylinder air-cooling photo-thermal steam turbine is used for improving the cylinder efficiency and the circulation efficiency.

Description

technical field [0001] The invention relates to the technical field of photothermal power generation and steam turbines, in particular to a 100MW single-cylinder air-cooled photothermal steam turbine. Background technique [0002] Since the promotion and construction of the first batch of CSP demonstration power plants in China, major domestic OEMs have gradually carried out R&D and design of steam turbines for CSP power generation. However, the capacity of steam turbines for CSP power plants has been limited by the construction scale and heat collection form of early CSP power plants. It is basically within 50MW, but the most effective way to improve the efficiency of the solar thermal power plant system is to increase the design parameters, then the capacity of the unit becomes the biggest constraint to improve parameter design and give full play to the advantages of high parameters. The invention of this project mainly focuses on the future development of the solar thermal...

Claims

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Application Information

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IPC IPC(8): F01D13/02F01D9/06F01D17/10F01D25/30F01D17/14F01D9/04F01D5/30
CPCF01D13/02F01D9/06F01D17/105F01D25/30F01D17/14F01D9/042F01D5/30
Inventor 赫广迅王征孙杨徐林峰彭理想尉坤张金春邢冠一
Owner HARBIN TURBINE
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