Rainwater filter

Rainwater filter

1. the importance of rainwater treatment

Rainwater is part of the water cycle and is also an invaluable source of water. The use of rainwater for treatment in urban use is a way to address water shortages. With the rapid development of China's urbanization process, the coverage of urban cement concrete is very high. When it encounters short-term and high-intensity rainstorms, the drainage is not timely and it is easy to form urban interiors. If you can collect rainwater, you can greatly alleviate the guilt. Therefore, rainwater treatment has a very important meaning.

2. the status quo of rainwater treatment

Germany, Denmark, Japan and other countries have carried out relatively early rainwater treatment and achieved good results. The rainwater is collected through the rainwater collection pipe network, and then treated with certain technical measures to make the rainwater quality reach a certain standard of use, as a city miscellaneous water source. Domestic research and application of rainwater treatment technology is relatively late, and rainwater is mainly used for greening irrigation. It has a single use and does not use rainwater resources efficiently.

3. the filtration process

Domestic large-scale treatment plants generally adopt the method of filter filtration, and the granular filter layer such as quartz sand intercepts the suspended impurities in the water, so that the water can be clarified, or the stainless steel filter is used to make the water quality better. The standard of use.


How stainless steel filters work
It automatically runs by the principle of gravity flow of rainwater, and automatically separates the garbage and water in the rainwater to get cleaner rain.
The rain changes the flow direction through the elbow inside the device and flows in the vertical direction, encountering the umbrella-shaped diversion structure, so that the rain water flows along the edge of the umbrella, and contacts the vertically placed filter net. The rainwater is filtered through the filter net and flows to the clean water chamber. The mesh surface falls to the garbage receiving port, so that the rainwater is filtered, and the garbage is diverted and automatically discharged.
The rainwater automatic filter has a filtration precision of 400um. It is generally installed after the sewage interception and abandonment filtration. The filtered rainwater can be directly greened and poured, which is very effective.
The drain pipe of the filter can be directly made into an infiltration property without directly docking with the drain pipe.

The filter is simple and convenient to install, and it usually takes only half a year or a year to open and clean once. The inner material is made of high quality stainless steel and has a long service life.

Rainwater is also an invaluable source of water. After treatment, the rainwater can alleviate the shortage of water resources in the city and slow down the situation in the city during a short rainstorm. China's rainwater treatment has not been widely used. Through more research, rainwater treatment and utilization can be applied to reality as soon as possible for the benefit of mankind.