Siphon drain is to use the potential energy of the height difference of the building to drain the rainwater from the roof to the ground at a very fast speed through the scientific and reasonable layout of the diameter and direction of the specially constructed siphon rainwater bucket and the drainage pipe. Among them, the siphon drainage pipe occupies an important position in the siphon drainage system, and its quality is related to whether the entire siphon drainage system can work normally and the service life of the system.
Working principle of siphon drain pipe
Negative pressure siphon effect
The air-water separation is achieved through a specially designed rain gutter, and the water is initially drained by gravity. When the water level on the roof reaches a critical height, negative pressure is formed in the pipe, triggering the full-pipe flow siphon effect, and the rainwater is sucked out at high speed.
Power Source
By utilizing the potential energy generated by the height difference of the building, high-speed drainage can be achieved without relying on the slope of the pipe.
Features of HDPE siphon drainage pipe
Efficient drainage capacity
When the siphon is full, the drainage speed and efficiency are significantly higher than the gravity drain pipe. During heavy rain, the accumulated water is quickly drained to reduce the roof load.
Unique structural design
Rainwater gutter: It has a rectifying function, inhibits the infiltration of bubbles, and ensures the stable start of the siphon.
Pipeline connection: It uses hot melt or electric melt connection to ensure sealing to maintain negative pressure.
Material properties
High toughness, corrosion resistance (acid, alkali and chemical resistance), lifespan over 50 years.
Lightweight, good flexibility, adaptable to foundation settlement and temperature difference deformation.
HDPE siphon drainage pipe application
Large building roofs: Rainwater drainage on large-span roofs such as stadiums, airports, and convention centers.
Sponge city system: Quickly respond to rainstorms and reduce the risk of waterlogging.
High-demand drainage projects: Scenarios where efficient drainage is required and installation space is limited.
Conclusão
HDPE siphon drainage pipe has become an ideal drainage solution for modern construction, municipal engineering, transportation infrastructure and other fields due to its unique material properties, efficient drainage performance and environmental protection. It can not only effectively solve drainage problems under various complex conditions, but also improve the overall economic and environmental benefits of the project.
