Description:The sewage interception structure design of the rainwater hopper can filter the large sundries on the roof during the initial rainfall, and discharge the rainwater into the roof collection system to reduce the roof load.
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roof drain
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The sewage interception structure design of the rainwater hopper can filter the large sundries on the roof during the initial rainfall, and discharge the rainwater into the roof collection system to reduce the roof load.
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The rainwater hopper is composed of a water inlet shroud, a rectifier and a water outlet pipe of the hopper body, and its performance is excellent
the sewage interception structure design of the rainwater hopper can filter the large sundries on the roof during the initial rainfall, and discharge the rainwater into the roof collection system to reduce the roof load
the rain bucket adopts the top closed fairing, which can produce siphon phenomenon when there is a lot of rainfall and achieve the effect of drainage. It has the advantages of light weight, large drainage, convenient installation and long service life
the rainwater hopper is made of HDPE, cast iron or stainless steel. Each part has different structure and function. The rainwater hopper is placed in the roof layer, and the upper part is covered with water inlet grille. In the process of rainfall, the rainwater enters the rainwater bucket through the side of the grid cover. When the roof catchment reaches the height, the anti vortex device in the rainwater bucket will prevent the air from entering the vortex state from the outside, so that the rainwater can be submerged horizontally and stably, and the discharge enters the drainage pipe. The siphon rainwater bucket greatly reduces the ponding in the gutter, reduces the rainwater load borne by the roof, and improves the rated flow of the rainwater bucket
characteristics of rainwater hopper:
1. It is widely applicable to buildings of different types and uses
2. The suspension pipe does not need slope laying
3. Reduce the diameter of siphon rainwater pipe
4. The amount of on-site construction is reduced
5. Use less materials
6. Save installation space
7. Siphon rainwater pipe has self-cleaning ability and is not easy to be blocked
8. Simple from design to construction
seven advantages of rainwater hopper:
1. The siphon rainwater hopper is flexibly arranged on the roof, which can adapt to the artistic modeling of modern architecture and easily meet the rainwater discharge of irregular roof
2. Large displacement of single bucket and few roof openings reduce the probability of roof water leakage and roof pressure
3. The number and diameter of downspouts are small, which meet the aesthetic requirements of modern buildings and the rainwater discharge of large-scale landmark buildings, various long-span roofs and high-rise buildings
4. The siphon rainwater system is highly systematic, and the pipeline direction can be set according to needs, which can meet the rainwater drainage of modern large shopping malls, supermarkets, factories, warehouses and various grid structure metal roofs without affecting the building function and use space
5. Under the design flow, the siphon rainwater system is full of pipe flow, no air vortex, drainage and low noise, which can meet the acoustic requirements of modern cinemas, theaters, exhibitions, old point libraries, schools and hospitals
6. The siphon rainwater pipe design meets the requirements of positive and negative pressure at the same time, and can pass the inspection and acceptance of the whole pipeline full water test of high-rise and multi-storey buildings, and can avoid the normal operation of the system out of control of negative pressure
7. Due to the small diameter of the pipeline, the small total length and the simple installation of the siphon rainwater system, the cost and installation cost of the siphon rainwater pipe are reduced, and there are no requirements for pipeline installation, which makes the siphon rainwater system favored by many owners and construction units
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