Before the super pipeline purging, it is necessary to be familiar with the direction of compressed air pipelines in the coating industry, sort out the number of branch pipes, divide the areas and grades, and identify the gas consumption points of the process and equipment; Understand the service conditions of various equipment in the compressed air system, including air compressor, dryer, filter, etc.

Follow up the equipment commissioning progress in real time. The super pipeline can identify the risk that the purging work cannot be carried out due to the equipment commissioning, identify the pipelines connected with the equipment, make statistics and records, and contact the equipment department to inform the equipment manufacturer to disassemble for purging. The cleanliness of compressed air source shall be strictly inspected and regularly inspected to prevent repeated purging due to poor cleanliness of air source.

During the transportation of compressed air, a lot of condensed water will be generated after it comes out of the air compressor and before it enters the air storage tank. It is recommended to install a steam water separator and install an air drain valve at the lower part of the steam water separator to forcibly separate the condensed water from the gaseous water in the air, so as to ensure that high-quality and high dry compressed air can be obtained.

The leakage source of compressed air in super pipeline is mainly caused by the damage of pneumatic components due to aging and external force during use, such as cracks, leakage holes, wear of pipe joints, seal damage of valve components, and wear of cylinder sealing rings.