Spraying process of inorganic aluminum anti-corrosion coating of air compressor blade disc repair part and air compressor blade disc
A technology of anti-corrosion coating and inorganic aluminum, which is applied in the direction of anti-corrosion coatings, coatings, machines/engines, etc., can solve the problem that the large parts of the blade disk cannot be repaired, and achieve the improvement of coating smoothness, good anti-corrosion performance, strong anti-corrosion performance and The effect of erosion resistance
Inactive Publication Date: 2022-01-21
CHINA HANGFA SOUTH IND CO LTD
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The invention provides a spraying process of an inorganic aluminum anti-corrosion coating for repair parts of a compressor blade disc and a compressor blade disc to solve the technical problem that the large parts of the blade disc cannot be repaired
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0051] The spraying process of the inorganic aluminum anti-corrosion coating of the compressor blade disk repair parts includes the following steps:
[0052] S1. The corroded layer on the surface of the blade disc and the aluminized layer on the surface of the leaf pot are removed by mechanical grinding and the first sand blasting treatment, and the first sand blasting treatment is used on the aluminized layer on the back surface of the blade to activate the back of the blade On the surface, the first sand blowing treatment uses 200 mesh white corundum sand, and the sand blowing pressure is 4×10 5 Pa, the surface of the back of the leaf forms a uniform off-white surface, and the pre-sprayed piece is obtained;
[0053] S2. Use aviation washing gasoline to clean the pre-sprayed parts for the first cleaning treatment to remove oil stains;
[0054] S3. Carry out the second sand blowing treatment on the pre-sprayed parts after cleaning, using 200 mesh white corundum sand, and the ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| particle size | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a spraying process of an inorganic aluminum anti-corrosion coating of an air compressor blade disc repair part and the inorganic aluminum anti-corrosion coating.A corrosion layer and a part of aluminized layer on the surface of a blade disc are removed by adopting machining and first sand blasting treatment to obtain a pre-spraying part; the pre-spraying part is cleaned for the first time to remove greasy dirt; the cleaned pre-spraying part is subjected to second sand blasting treatment; first inorganic aluminum paint is sprayed to the pre-spraying part obtained after sand blasting, and heating and curing are performed to form a bottom layer; abrasive particle flow treatment is conducted on the bottom layer, so that aluminum powder wrapped in the bottom layer is exposed, the bottom layer is promoted to conduct electricity, and the smoothness of the bottom layer is improved; the pre-spraying part obtained after the abrasive particle flow treatment is cleaned for the second time; and second inorganic aluminum paint is sprayed to the cleaned pre-spraying part, heating and curing are conducted, a surface layer is formed, and spraying of the inorganic aluminum anti-corrosion coating is completed. According to the spraying process of the inorganic aluminum anti-corrosion coating of the air compressor blade disc repair part, the inorganic aluminum anti-corrosion coating meets the requirement for the service life of a whole machine, and the anti-corrosion capacity and the anti-scouring capacity are enhanced.
Description
technical field [0001] The invention relates to the field of compressor blade disks, in particular to a spraying process of an inorganic aluminum anti-corrosion coating for compressor blade disk repair parts. In addition, the present invention also relates to a compressor blade disc obtained by spraying the inorganic aluminum anti-corrosion coating of the above compressor blade disc repair part. Background technique [0002] The first-stage blade disk of a certain type of engine is made of 1Cr11Ni2W2MoV martensitic stainless steel, and the surface adopts low-temperature aluminizing process. During the process of transfer, assembly, test run and use of the blade disc, a large number of defects such as peeling, air bubbles, and cracks appear in the aluminized layer, and the surface is severely corroded. Therefore, it is necessary to overhaul the repair parts of the blade disc to save the parts. In addition, it is also necessary to solve the anti-corrosion problem of the repai...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/00B05D3/00B05D7/24B05D1/38F04D29/26C09D5/08
CPCB05D5/00B05D3/002B05D3/007B05D7/24B05D1/38B05D7/546F04D29/26C09D5/08
Inventor 冯小珍曾召军熊炳文丛霄徐胜
Owner CHINA HANGFA SOUTH IND CO LTD