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Ultrasound cleaning method
Ultrasound cleaning method
1. Connect the temperature sensor signal line, ultrasonic driving line and heater control line between the electric control cabinet and the main machine according to the installation instructions of the ultrasonic cleaner. Connect 380VAC power supply and install the upper pipe, drain pipe and overflow drain pipe of the cleaner.
2. Ultrasound Cleaning Pool Cleaning Water: Added appropriate amount of clean water to the cleaning pool, the liquid level is based on the parts to be washed, generally not more than three-quarters of the cleaning pool.
3. Ultrasound cleaning and heating: Start the electric heating switch and point the white calibration line on the water temperature adjusting knob to the appropriate temperature (about 60 C). In the process of using the cleaning machine, the highest temperature of the cleaning agent should not exceed 70 C.
4. Ultrasound cleaning machine add cleaning agent: When the water temperature rises to about 40 C, add UC-O3 parts cleaning agent into the cleaning pool (usually about 5 kg at a time), slowly agitate the water to make it fully dissolved (at this time, it can also start the ultrasonic or open the air-blowing device for stirring).
5. Pretreatment of ultrasonic cleaner: Before cleaning, it is advisable to use bamboo knife to clean the dirt on the surface of parts (for example, there will be a lot of dust on the outer surface of dust-proof cover, and there will be a lot of thick and easy-to-remove sludge on the outer surface of cylinder block) so as to prolong the service life of cleaning liquid. Ultrasound can be used for precise cleaning, but its ability to treat mud is weak. Therefore, in the pretreatment, the yellow mud or sludge should be removed as far as possible.
The set of preprocessing methods:
Common dirt on parts and components of diesel locomotive is mainly oil dirt, carbon deposition, scale, rust, dust and so on. When cleaning, it should be based on the shape, shape and size of parts, dirt composition, dirt on the parts of diesel locomotive during the dirty process. The common dirt on the parts is mainly oil dirt, carbon deposition, scale, rust, dust and so on. When cleaning, effective cleaning methods should be reasonably selected according to the shape, size, dirt composition, contamination degree, material quality, surface processing accuracy and batch size of parts. Correct cleaning methods not only ensure the cleaning quality and high cleaning efficiency, but also reduce the cleaning cost.
I. Mechanical cleaning
A. Manual cleaning? Use metal brushes, scrapers and other tools to remove dirt on the surface of parts and parts. The method also includes wiping parts and parts surfaces with cotton, silk, synthetic fibers and suede to remove dirt.
B. Mechanical tool cleaning method uses electric or pneumatic tools to drive metal brushes, soft grinding wheels, etc. to remove carbon deposition, rust, paint layer on the surface of parts, etc.
C. Compressed air sweeping method uses compressed air to sweep dry dust and sludge covering the surface of parts and components.
D. High-pressure water flushing method
2. Soaking and boiling methods;
Soaking and boiling are relatively primitive cleaning methods.
A. Immersion is the physical and chemical reaction between the cleaning solution and the dirt that soaks the parts and parts to be cleaned outside the cleaning solution, so that the dirt gradually softens and becomes loose gradually, and finally falls off from the surface of the parts and parts. The washing time of immersion is longer and the efficiency is lower. But it has many advantages, such as simple cleaning equipment and less manual work. As a result, it has been widely used.
B. Boiling is a cleaning method by which the cleaning liquid is heated until boiling. In addition to the heating process, the cleaning performance of the cleaning solution is further improved. At the same time, oil and grease also soften or dissolve as the temperature rises, and the natural convection between the upper and lower parts makes the dirt easy to clean from the cleaned parts. The efficiency of boiling is higher than that of soaking. The cleaning equipment used in soaking and boiling mainly includes cleaning tank and heating system.
3. Pressure flushing method;
The impact kinetic energy of cleaning fluid is the main factor affecting the effect of pressure flushing. The greater the impact kinetic energy, the better the flushing effect. According to the magnitude of flushing pressure, pressure flushing can be divided into three types: high pressure flushing, external pressure flushing and low pressure flushing.
Flushing pressure above 1 MPa (about 10 kg/cm 2) is called high-pressure flushing, which mainly relies on the impact energy of high-pressure water column (or cleaning liquid column) to achieve the purpose of scale removal. Because of the high impact energy, general dirt can be washed down, and the dead corner, blind hole and inner cavity of the cleaned parts can be washed very clean. If the washing fluid is used for high pressure washing, a large amount of foam will be generated when the pressure is washed towards the cleaned parts, so that the foam of the recycling system will be too small, which will affect the increase of the washing pressure. Therefore, high-pressure flushing mostly uses clean water (hot water); if it is necessary to flush parts with heavy oil pollution, hot water with a temperature of about 80 degrees Celsius should be used. Sometimes it is necessary to use low concentration cleaning liquid.
The commonly used high-pressure flushing pressure in our country is about 1.5-2.0 MPa. Under this pressure, the cleaning effect and economy are better. The pressure of high-pressure flushing abroad is high, whether it reaches 5 MPa or not; if hot water is used for high-pressure flushing, the pressure of flushing is higher (5-7 MPa).
High pressure flushing is a specific application of high pressure jet technology in cleaning. The basic theory and application of high pressure jet have been studied extensively abroad. High-pressure flushing has been applied to remove rust and marine organisms from ship hulls in China. Railway locomotive and rolling stock repair departments have begun to use high-pressure flushing to clean Bogies and bottoms. The results are very good. Besides cleaning dirt, rust and old paint can be washed down.
A characteristic of high-pressure flushing is whether ordinary clean water (self-dewatering) is used as cleaning medium, and whether heating is not necessary. In order to reduce environmental pollution and save water, the wastewater is purified and reused through a set of wastewater recycling treatment device. The cost of high-pressure water flushing is relatively low.
High-pressure flushing has high requirements for the liquid supply system (mainly pump and its driving mechanism) and the infusion system (mainly high-pressure pipeline and its connecting device). In addition, it must be pointed out that the high-pressure liquid column or water column has a harmful effect on human body in close range, and as a result, safety consumption should be paid attention to in operation.
1. Connect the temperature sensor signal line, ultrasonic driving line and heater control line between the electric control cabinet and the main machine according to the installation instructions of the ultrasonic cleaner. Connect 380VAC power supply and install the upper pipe, drain pipe and overflow drain pipe of the cleaner.
2. Ultrasound Cleaning Pool Cleaning Water: Added appropriate amount of clean water to the cleaning pool, the liquid level is based on the parts to be washed, generally not more than three-quarters of the cleaning pool.
3. Ultrasound cleaning and heating: Start the electric heating switch and point the white calibration line on the water temperature adjusting knob to the appropriate temperature (about 60 C). In the process of using the cleaning machine, the highest temperature of the cleaning agent should not exceed 70 C.
4. Ultrasound cleaning machine add cleaning agent: When the water temperature rises to about 40 C, add UC-O3 parts cleaning agent into the cleaning pool (usually about 5 kg at a time), slowly agitate the water to make it fully dissolved (at this time, it can also start the ultrasonic or open the air-blowing device for stirring).
5. Pretreatment of ultrasonic cleaner: Before cleaning, it is advisable to use bamboo knife to clean the dirt on the surface of parts (for example, there will be a lot of dust on the outer surface of dust-proof cover, and there will be a lot of thick and easy-to-remove sludge on the outer surface of cylinder block) so as to prolong the service life of cleaning liquid. Ultrasound can be used for precise cleaning, but its ability to treat mud is weak. Therefore, in the pretreatment, the yellow mud or sludge should be removed as far as possible.
The set of preprocessing methods:
Common dirt on parts and components of diesel locomotive is mainly oil dirt, carbon deposition, scale, rust, dust and so on. When cleaning, it should be based on the shape, shape and size of parts, dirt composition, dirt on the parts of diesel locomotive during the dirty process. The common dirt on the parts is mainly oil dirt, carbon deposition, scale, rust, dust and so on. When cleaning, effective cleaning methods should be reasonably selected according to the shape, size, dirt composition, contamination degree, material quality, surface processing accuracy and batch size of parts. Correct cleaning methods not only ensure the cleaning quality and high cleaning efficiency, but also reduce the cleaning cost.
I. Mechanical cleaning
A. Manual cleaning? Use metal brushes, scrapers and other tools to remove dirt on the surface of parts and parts. The method also includes wiping parts and parts surfaces with cotton, silk, synthetic fibers and suede to remove dirt.
B. Mechanical tool cleaning method uses electric or pneumatic tools to drive metal brushes, soft grinding wheels, etc. to remove carbon deposition, rust, paint layer on the surface of parts, etc.
C. Compressed air sweeping method uses compressed air to sweep dry dust and sludge covering the surface of parts and components.
D. High-pressure water flushing method
2. Soaking and boiling methods;
Soaking and boiling are relatively primitive cleaning methods.
A. Immersion is the physical and chemical reaction between the cleaning solution and the dirt that soaks the parts and parts to be cleaned outside the cleaning solution, so that the dirt gradually softens and becomes loose gradually, and finally falls off from the surface of the parts and parts. The washing time of immersion is longer and the efficiency is lower. But it has many advantages, such as simple cleaning equipment and less manual work. As a result, it has been widely used.
B. Boiling is a cleaning method by which the cleaning liquid is heated until boiling. In addition to the heating process, the cleaning performance of the cleaning solution is further improved. At the same time, oil and grease also soften or dissolve as the temperature rises, and the natural convection between the upper and lower parts makes the dirt easy to clean from the cleaned parts. The efficiency of boiling is higher than that of soaking. The cleaning equipment used in soaking and boiling mainly includes cleaning tank and heating system.
3. Pressure flushing method;
The impact kinetic energy of cleaning fluid is the main factor affecting the effect of pressure flushing. The greater the impact kinetic energy, the better the flushing effect. According to the magnitude of flushing pressure, pressure flushing can be divided into three types: high pressure flushing, external pressure flushing and low pressure flushing.
Flushing pressure above 1 MPa (about 10 kg/cm 2) is called high-pressure flushing, which mainly relies on the impact energy of high-pressure water column (or cleaning liquid column) to achieve the purpose of scale removal. Because of the high impact energy, general dirt can be washed down, and the dead corner, blind hole and inner cavity of the cleaned parts can be washed very clean. If the washing fluid is used for high pressure washing, a large amount of foam will be generated when the pressure is washed towards the cleaned parts, so that the foam of the recycling system will be too small, which will affect the increase of the washing pressure. Therefore, high-pressure flushing mostly uses clean water (hot water); if it is necessary to flush parts with heavy oil pollution, hot water with a temperature of about 80 degrees Celsius should be used. Sometimes it is necessary to use low concentration cleaning liquid.
The commonly used high-pressure flushing pressure in our country is about 1.5-2.0 MPa. Under this pressure, the cleaning effect and economy are better. The pressure of high-pressure flushing abroad is high, whether it reaches 5 MPa or not; if hot water is used for high-pressure flushing, the pressure of flushing is higher (5-7 MPa).
High pressure flushing is a specific application of high pressure jet technology in cleaning. The basic theory and application of high pressure jet have been studied extensively abroad. High-pressure flushing has been applied to remove rust and marine organisms from ship hulls in China. Railway locomotive and rolling stock repair departments have begun to use high-pressure flushing to clean Bogies and bottoms. The results are very good. Besides cleaning dirt, rust and old paint can be washed down.
A characteristic of high-pressure flushing is whether ordinary clean water (self-dewatering) is used as cleaning medium, and whether heating is not necessary. In order to reduce environmental pollution and save water, the wastewater is purified and reused through a set of wastewater recycling treatment device. The cost of high-pressure water flushing is relatively low.
High-pressure flushing has high requirements for the liquid supply system (mainly pump and its driving mechanism) and the infusion system (mainly high-pressure pipeline and its connecting device). In addition, it must be pointed out that the high-pressure liquid column or water column has a harmful effect on human body in close range, and as a result, safety consumption should be paid attention to in operation.