Rainwater primary-filtering device

Abstract

The invention discloses a rainwater primary-filtering device. According to the rainwater primary-filtering device, the water volumes in a water inlet pipe and a water outlet pipe of the rainwater primary-filtering device are compared, so as to judge whether a filter screen is blocked. If the filter screen is blocked, a scraper blade is driven to downward move so as to remove the blocking matters from the filter screen, and meanwhile, a valve is pushed to open, so that the blocking matters can enter the draining pipe, and then the device is reset. In such a manner, the blocked rainwater primary-filtering device can be timely cleaned and maintained, so that the whole rainwater collecting recycling system can more stably carry out long-term work and the urban water shortage and the pressure of urban draining system in large rainfall can be more effectively relieved.

Description

technical field [0001] The invention relates to the field of rainwater collection and reuse, in particular to a rainwater primary filtering device. Background technique [0002] Water, the source of life, is an extremely precious resource. my country's water resources are not rich, and 2 / 3 of the cities in the country are short of water. With the acceleration of urbanization, the rapid growth of water consumption for landscape water, road flushing, greening and car washing in cities makes the already tense water resources even more scarce. At the same time, due to the advancement of urbanization, more bottom surfaces are covered by various buildings and roads, so that rainwater cannot infiltrate into the ground, increasing the pressure on the urban drainage system. In recent years, it is not surprising to hear frequent reports of urban waterlogging. One way to solve the above problem is to collect and reuse the water that falls into the city. In this way, the rainwater i...

AI Technical Summary

Problems solved by technology

And the filter device that uses at present comprises shell and is arranged on the hanging basket in the shell, and the solid pollutant that increases after rainwater enters hanging basket is filtered out, and hanging basket will be blocked by pollutant gradually after using for a period of time, so just Hanging basket needs to be cleaned

At present, the hanging basket is generally cleaned manually. Manual cleaning is often carried out in a regular manner, but this method is not good. Sometimes the hanging basket does not need to be cleaned when cleaning, and sometimes the hanging basket is blocked and missing. It is time to clean up, thus affecting the collection and utilization of rainwater

Images