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TRT turbine with abrasion-resistant corrosion-resistant nano coating

A nano-coating and turbine technology, applied in the field of TRT turbines, can solve problems such as short service life, low efficiency, and unit failure to operate normally, and achieve the effects of reducing production costs, increasing power generation, and improving defects

Pending Publication Date: 2018-02-23
上海英佛曼纳米科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the abnormality of the blades, the unit is often forced to fail to operate normally
In summary, the existing blast furnace top pressure recovery turbine power generation device has defects such as low efficiency and short service life.

Method used

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  • TRT turbine with abrasion-resistant corrosion-resistant nano coating
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  • TRT turbine with abrasion-resistant corrosion-resistant nano coating

Examples

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Embodiment Construction

[0031] In the following, the present invention will be described in detail and specifically through specific examples, so as to better understand the present invention, but the following examples do not limit the scope of the present invention.

[0032] Such as Figure 1-2 As shown, the embodiment of the present invention provides a TRT turbine with a wear-resistant and corrosion-resistant nano-coating, including moving blades 3 arranged on the main shaft 1 and stationary blades arranged on the casing 2 on the TRT turbine 4. The outer surfaces of the moving blades 3 and the stationary blades 4 on the TRT turbine are provided with a layer of nano-coating protection layer 5. The nano-coating protection layer 5 is a wear-resistant and acid-resistant coating made of nano-ceramic composite materials. Alkali corrosion, high temperature resistant, cavitation resistant nanostructured functional coating. The nano protective layer 5 has good properties of wear resistance, corrosion res...

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Abstract

The invention discloses a TRT turbine with an abrasion-resistant corrosion-resistant nano coating. The TRT turbine includes a TRT turbine movable blade and a static blade. The outer surfaces of both the TRT turbine movable blade and the static blade each is provided with a nano protection layer. According to the TRT turbine with the abrasion-resistant corrosion-resistant nano coating, the surfacesof the movable blade and the static blade of the TRT turbine each are provided with the protection layer made of a nanometer material. The nano coating is a functional coating which is of a nano structure, is prepared from a nanometer ceramic composite material and is resistant to abrasion, acid-base corrosion, high temperature and cavitation, the shortcomings in the prior art are overcome, the service life is prolonged from 7-10 months to 36 months or over, and the service life and a use effect of a TRT turbine in the prior art are greatly improved. The TRT turbine can work continuously fora long time, the production cost and overhaul coat are reduced, and the working efficiency is improved.

Description

technical field [0001] The invention relates to a blast furnace top pressure recovery turbine power generation device in a steelworks, in particular to a TRT turbine with a wear-resistant and corrosion-resistant nano-coating. Background technique [0002] TRT is the English abbreviation of Top Gas Pressure Recovery Turbine, and its Chinese translation is "blast furnace top pressure recovery turbine power generation device". It is a device that uses the top pressure of blast furnace gas to generate electricity. This technology uses high-pressure gas pressure to drive the turbine rotor of TRT to rotate and do work, and the generator connected in series converts mechanical energy into electrical energy. The working speed is 3000rpm (the critical rotation speed of the first stage is designed to be 1800rpm; the critical rotation speed of the second stage is designed to be 6400rpm). [0003] The blade is the main part of the rotor system, the material of the blade is 2Cr13, and i...

Claims

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Application Information

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IPC IPC(8): F01D5/28F01D9/02F01D25/00C23C4/134C23C4/06
CPCF01D5/282F01D5/284F01D5/288F01D9/02F01D25/005F01D25/007C23C4/06C23C4/134F05D2230/90F05D2230/312F05D2260/95
Inventor 田庆芬李刚
Owner 上海英佛曼纳米科技股份有限公司
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