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A method for removing carbon deposits by ultrasonic waves

An ultrasonic and carbon deposition technology, applied in the field of decarbonization, can solve the problems of scrapped parts and easy damage to the substrate, and achieve the effects of preventing over-corrosion, increasing stirring effect, and saving production costs.

Inactive Publication Date: 2015-10-07
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some stubborn carbon deposits cannot be completely removed in this way, and can only be partially mechanically polished, but this operation is easy to damage the substrate and cause parts to be scrapped

Method used

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  • A method for removing carbon deposits by ultrasonic waves
  • A method for removing carbon deposits by ultrasonic waves
  • A method for removing carbon deposits by ultrasonic waves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017]

[0018] Using the above process formula, remove carbon deposits according to the process of removing carbon deposits on fuel nozzles. The carbon deposits on the surface of fuel nozzles are removed cleanly, showing a metallic luster matrix. The carbon deposit removal time is about 3 hours.

Embodiment 2

[0020]

[0021] Using the above process formula, remove carbon deposits according to the process of removing carbon deposits on fuel nozzles. The carbon deposits on the surface of fuel nozzles are removed cleanly, showing a metallic luster matrix. The carbon deposit removal time is about 1 hour.

Embodiment 3

[0023]

[0024] Using the above process formula, remove carbon deposits according to the process of removing carbon deposits on fuel nozzles. The carbon deposits on the surface of fuel nozzles are removed cleanly, showing a metallic luster matrix. The carbon deposit removal time is about 1 hour.

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PUM

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Abstract

The invention relates to a method for ultrasonic removal of carbon deposition. According to the technical scheme of the invention, the method for ultrasonic removal of the carbon deposition comprises the following steps: deoiling parts, preparing a carbon deposition removing bath solution, carrying out ultrasonic removal of the carbon deposition, and carrying out hydrochloric acid corrosion. The method for ultrasonic removal of the carbon deposition utilizes the carbon deposition removing bath solution with a special formula, has the advantages of fast carbon deposition removing speed, high quality and easy implementation, and besides reduces the environmental pollution caused by using an ordinary chemical immersion method to remove the carbon deposition.

Description

technical field [0001] The invention relates to a method for removing carbon deposits, in particular to an ultrasonic method for removing carbon deposits. Background technique [0002] Carbon deposits are the product of high temperature oxidation of fuel and lubricating oil. In the combustion chamber, the oxygen supply is insufficient, and the fuel and the lubricating oil that have entered the combustion chamber cannot be completely burned, resulting in soot and tar particles. Attached to the nozzle, and under the continuous action of high temperature, the colloid polymerizes into a more complex polymer, that is, carbon deposits. Moreover, the higher the engine temperature, the harder and tighter the carbon deposits formed, and the bond with the metal will be firmer. If the carbon deposit is not cleaned up, it will waste fuel and seriously affect the service life of the engine. [0003] At present, the chemical soaking method is commonly used in the market to remove carbo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/14B08B3/08B08B3/12F02B77/04
Inventor 孙慧艳张志成杜兴盛苑英志周静郭春光
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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