One, what are the methods for cleaning pipes?
1、Chemical cleaning:Chemical cleaning of pipelines involves using chemical agents to temporarily modify the pipelines. Temporary pipelines and a circulation pump station are used to circulate the chemical cleaning agent through both ends of the pipeline. This technology offers advantages such as high flexibility, no specific requirements for pipeline shape, fast cleaning speed, and thorough cleaning.
2、High-pressure water cleaning:Employing high-pressure water jetting with a pressure of 50 MPa or higher to remove dirt and contaminants from the inner surface of pipelines. This technique is primarily used for short-distance pipelines, and the diameter of the pipeline must be greater than 50 cm. This technology offers advantages such as fast speed and low cost.
3、PIG cleaning:PIG industrial cleaning technology relies on the propelling force generated by pumping fluids to drive the PIG (cleaning device) forward within the pipeline, effectively removing accumulated debris from the pipeline and achieving the cleaning objective. This technology is widely used in cleaning various types of process pipelines, oil and gas pipelines, and other applications, particularly for cleaning pipelines used in long-distance fluid transport, where it offers advantages that other technologies cannot replicate.
II. Steps for Cleaning Ventilation Ducts
Ventilation ducts are metal or composite ducts used in industrial and civil building ventilation and air conditioning systems. They are municipal infrastructure designed to facilitate air circulation and reduce the concentration of harmful gases. Ventilation duct cleaning process:
1、Utilize ventilation duct inspection robots to collect indoor air samples and assess air quality.
2. Inspect the internal structure, size, and any corner iron supports within the ventilation ducts. Verify the operating method and direction of the cleaning equipment.
3. Inspect the internal condition of ventilation ducts and record the findings with photographs using a camera.
4、Collect microbial samples from inside ventilation ducts, culture, analyze, and confirm the effectiveness of disinfectant and chemical analysis.
5、Use a ventilation duct-specific cleaning robot to clean the ductwork.
6. Use a high-powered, specialized ventilation system with a vacuum cleaner to collect dust and pollutants removed from the ventilation duct.