Cleaning method of wind turbine main gearbox oil cooling radiator, cleaning agent and preparation method thereof

Abstract

The invention discloses a cleaning method of a wind turbine main gearbox oil cooling radiator. The cleaning method comprises the following steps: heating and compressing a cleaning agent and then flushing; and blowing greasy dirt between every two adjacent cooling fins out. The cleaning agent comprises the following components: 25-30 parts of modified starch, 5-10 parts of bean dreg freeze-dried powder, 2-3 parts of grape skin dreg freeze-dried powder, 1-2 parts of buckwheat bran flour, 0.5-1 part of bamboo powder, 0.5-1 part of hydrogenated palm oil, 0.3-0.5 part of polyoxyethylene, 0.3-0. 5part of asbestos wool, 0.1-0.3 part of poly dimethyl diallyl ammonium chloride, 0.1-0.3 part of nano titanium dioxide and 100-200 parts of water. A preparation method of the cleaning agent comprises the following steps: adding bamboo powder, hydrogenated palm oil and asbestos wool into buckwheat bran flour, warming to 50-55 DEG C, and carrying out thermal insulation and mixing; adding polyoxyethylene, poly dimethyl diallyl ammonium chloride and nano titanium dioxide, warming to 80-85 DEG C, and carrying out thermal insulation and mixing; adding modified starch and water of 80-85 DEG C, and mixing; and adding bean dreg freeze-dried powder and grape skin dreg freeze-dried powder, and refining.

Description

technical field [0001] The invention relates to a cleaning technology for an oil-cooled radiator of a main gearbox of a wind turbine, in particular to a cleaning method for an oil-cooled radiator of a main gearbox of a wind turbine, a cleaning agent and a preparation method thereof. Background technique [0002] The main gearbox of the wind turbine is a sealed container, and the interior is mainly multi-stage bearings. At present, most of the industry uses special lubricating oil for lubrication and cooling. The main function of the oil cooling radiator is to reduce the oil temperature of the lubricating oil in the oil cooling system, and the cooled lubricating oil enters the inside of the gearbox again through circulation, thereby taking away the heat generated by the rotating running-in of the bearings inside the gearbox. To ensure that the bearing temperature of the gearbox in long-term operation is within the required range (≤75°C, preferably around 50°C), it is necessar...

AI Technical Summary

Problems solved by technology

The heat sink of the oil-cooled radiator is composed of fins. Dust, flying flakes and other dirt will also stick to the high-temperature volatilized oil and gas of the lubricating oil through air circulation, thereby forming sludge. If it is not cleaned for a long time, it will cause the middle of the heat sink to be blocked. , thus affecting the heat dissipation capacity of the radiator, it is easy to cause the wind turbine to operate with limited power due to the high shaft temperature of the gearbox and the oil temperature, and affect the power generation of the wind turbine

[0003] Restricted by the structural characteristics and installation location of the main gearbox (located inside the nacelle cover), the operating space available for cleaning and maintenance is very limited, which will further increase the difficulty of cleaning. The traditional cleaning method is to use brushes, rags, etc. to remove dust , sludge to wipe, but this can only clean the surface of the radiator, the cleaning effect is poor, and it is easy to damage the protective layer on the surface of the radiator