There are several cleaning methods for boiler tubes:
1. Mechanical cleaning: Use a special pipe cleaning machine to clean the pipes through a rotating brush or nozzle. This cleaning method is more effective for sticky dirt.
2. Chemical cleaning: Use a specific cleaning agent to dissolve and remove the accumulated dirt in the pipe through chemical reactions. You need to choose a suitable cleaning agent and use it according to the instructions.
3. Water flushing: Use high-pressure water flow to impact the dirt in the pipe and flush it out. This method is relatively simple, but it may be less effective for stubborn dirt.
4. Explosion cleaning: Use explosive materials to clean the pipe. This method is mainly suitable for large boiler pipes.
It is necessary to choose the appropriate cleaning method according to the specific situation, and pay attention to the safe use of cleaning tools and materials. At the same time, the cleaning frequency should be determined according to the use and pollution level of the boiler. It is generally recommended to clean regularly to avoid the impact of accumulated dirt on the boiler.
How to clean the boiler tube blocked by scale?
When the boiler tube is seriously blocked by scale, more active and thorough cleaning measures need to be taken. Here are some steps to clean the scale in the boiler pipes:
1. Shutdown and depressurization
First, make sure the boiler is completely stopped and cooled to a safe temperature.
Release the internal pressure of the boiler, open the drain valve, and empty the water in the boiler and pipes.
2. Chemical cleaning
Select an appropriate high-efficiency boiler descaling agent or a dedicated pipe dredging agent, and prepare the solution according to the product instructions.
Inject the descaling agent into the boiler pipe system through the water inlet pipe and let it soak in the pipe for a period of time (usually a few hours to a few days, depending on the thickness of the scale layer and the type of descaling agent) to soften and decompose the scale.
3. Circulation cleaning
After the soaking stage, start the boiler's circulation pump (if possible) to circulate the solution containing the descaling agent throughout the pipe system, which can more effectively contact and remove the scale layer.
4. Physical cleaning
For areas that are difficult to remove by chemical methods or are already severely blocked, it may be necessary to dismantle some pipes for manual cleaning, using wire brushes, physical impact tools or high-pressure water guns to remove the scale layer.
5. Flushing and testing
After cleaning, flush the pipe repeatedly with plenty of clean water until the discharged water is clear and free of impurities and odor. Endoscopes and other equipment can be used to check whether the inside of the pipe has been cleaned.
6. Passivation treatment and protection
After cleaning, add an appropriate amount of passivator for passivation treatment to prevent oxidation of the metal surface and slow down the formation of new scale. Refill the treated new water, add an appropriate amount of corrosion inhibitor and scale inhibitor, and restore the normal operation of the boiler.
Note: The entire process should be strictly carried out in accordance with the operating procedures and the safe use requirements of chemicals to avoid damage to the boiler equipment or impact on the environment. For large industrial boilers, it is recommended that a professional maintenance team perform the cleaning operation.
1. Mechanical cleaning: Use a special pipe cleaning machine to clean the pipes through a rotating brush or nozzle. This cleaning method is more effective for sticky dirt.
2. Chemical cleaning: Use a specific cleaning agent to dissolve and remove the accumulated dirt in the pipe through chemical reactions. You need to choose a suitable cleaning agent and use it according to the instructions.
3. Water flushing: Use high-pressure water flow to impact the dirt in the pipe and flush it out. This method is relatively simple, but it may be less effective for stubborn dirt.
4. Explosion cleaning: Use explosive materials to clean the pipe. This method is mainly suitable for large boiler pipes.
It is necessary to choose the appropriate cleaning method according to the specific situation, and pay attention to the safe use of cleaning tools and materials. At the same time, the cleaning frequency should be determined according to the use and pollution level of the boiler. It is generally recommended to clean regularly to avoid the impact of accumulated dirt on the boiler.
How to clean the boiler tube blocked by scale?
When the boiler tube is seriously blocked by scale, more active and thorough cleaning measures need to be taken. Here are some steps to clean the scale in the boiler pipes:
1. Shutdown and depressurization
First, make sure the boiler is completely stopped and cooled to a safe temperature.
Release the internal pressure of the boiler, open the drain valve, and empty the water in the boiler and pipes.
2. Chemical cleaning
Select an appropriate high-efficiency boiler descaling agent or a dedicated pipe dredging agent, and prepare the solution according to the product instructions.
Inject the descaling agent into the boiler pipe system through the water inlet pipe and let it soak in the pipe for a period of time (usually a few hours to a few days, depending on the thickness of the scale layer and the type of descaling agent) to soften and decompose the scale.
3. Circulation cleaning
After the soaking stage, start the boiler's circulation pump (if possible) to circulate the solution containing the descaling agent throughout the pipe system, which can more effectively contact and remove the scale layer.
4. Physical cleaning
For areas that are difficult to remove by chemical methods or are already severely blocked, it may be necessary to dismantle some pipes for manual cleaning, using wire brushes, physical impact tools or high-pressure water guns to remove the scale layer.
5. Flushing and testing
After cleaning, flush the pipe repeatedly with plenty of clean water until the discharged water is clear and free of impurities and odor. Endoscopes and other equipment can be used to check whether the inside of the pipe has been cleaned.
6. Passivation treatment and protection
After cleaning, add an appropriate amount of passivator for passivation treatment to prevent oxidation of the metal surface and slow down the formation of new scale. Refill the treated new water, add an appropriate amount of corrosion inhibitor and scale inhibitor, and restore the normal operation of the boiler.
Note: The entire process should be strictly carried out in accordance with the operating procedures and the safe use requirements of chemicals to avoid damage to the boiler equipment or impact on the environment. For large industrial boilers, it is recommended that a professional maintenance team perform the cleaning operation.