Particle erosion test system for steam turbine blade of deep peak regulation unit

A technology for steam turbine blades and peak shaving units, which is used in weather resistance/light resistance/corrosion resistance, measuring devices, instruments, etc., and can solve problems such as insufficient detail, large particle differences, and particle erosion.

Pending Publication Date: 2022-03-01
ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the aforementioned test system has many functions, it is not detailed enough. For example, it only simulates the particle erosion when the blade rotates, and the particle push is quite different from the actual situation.

Method used

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  • Particle erosion test system for steam turbine blade of deep peak regulation unit

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Embodiment Construction

[0046] In the following, the technical solutions of the embodiments of the invention are explained and described in conjunction with the accompanying drawings of the embodiments of the invention, but the following embodiments are only preferred embodiments of the invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

[0047] see figure 1 , a kind of particle erosion test system for steam turbine blades of a deep peak-shaving unit according to Embodiment 1 of the present invention, the particle erosion test system includes:

[0048] The blade 15 system includes an impact box 16 and the blade 15 fixed in the impact box 16 by a fixing fixture 17;

[0049] The particle system includes a connected particle tank 7, an electric blast furnace 8, a first induced draft fan 11, a cyclone separator, a mixing pipe 13 and an acce...

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Abstract

The invention belongs to the technical field of turbine blade erosion test, and particularly relates to a deep peak regulation unit turbine blade particle erosion test system. In order to overcome the defect that in a particle erosion test of an existing blade erosion test system, particle motion is greatly different from the actual situation, the technical scheme adopted by the invention is as follows: the deep peak regulation unit turbine blade particle erosion test system comprises a blade system which comprises a blade fixed in an impact box; a particle system; a compressed air system; the steam system is used for supplying high-temperature and high-pressure steam to the mixing pipe and the impact box; a measurement system; and a recovery system. The system has the beneficial effects that the compressed air system provides power for particles and impact, the steam system provides steam to simulate the real operation environment and particle environment of a steam turbine, the recovery system recovers test particles and steam to prevent pollution, and the measurement system analyzes the particle temperature and particle trajectory during test.

Description

technical field [0001] The invention belongs to the technical field of steam turbine blade erosion tests, and in particular relates to a particle erosion test system for steam turbine blades of a deep peak-shaving unit. Background technique [0002] Steam turbine is an important equipment for power generation. It is mainly a rotary power machine that converts steam heat energy at relatively high temperature and pressure into mechanical energy. Blades are the key components of steam turbines and have been exposed to harsh environments for a long time. When the unit is deeply peak-shaving, the blades, especially the low-pressure blades, have high steam humidity and are easily damaged. [0003] The Chinese invention patent with the authorized notification number CN110160946B discloses a deep peaking steam turbine blade erosion test system and its test method, including steam turbine test equipment, particle erosion system and droplet erosion system; the particle erosion system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00G01D21/02
CPCG01N17/00G01D21/02
Inventor 王在华吕洪坤郑一鸣曹莹舒鹏
Owner ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY
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