Sand filling, rainwater recharging and water storing method for waste motor-pumped well

Abstract

The invention discloses a sand filling, rainwater recharging and water storing method for a waste motor-pumped well. According to the method, the waste dry well is filled with sand; at 3-5 meters above the ground, a cement pipe or plastic pipe with the inner diameter of 30-40 centimeters and the length of 3-5 meters is placed, and sand is placed in the pipe until arrives the well mouth; the well mouth is flat and lower than the ground, rainwater naturally flows into the sand well, the rainwater permeates under the well along gaps of the sand, and the water penetrates into soil when meeting thesoil in the well, so that recharging is performed on the underground soil; and a water filtering column is put into the well bottom, a water pipe is connected to the ground from the center of the water filtering column, and a water pump is connected, so that when the water is needed, the water pump is started to pump the water, and an underground water reservoir is provided.

Description

technical field [0001] The technology belongs to the field of deep underground wells. [0002] technical background [0003] The North China Plain is a semi-arid area. Many places have a high population density and a lot of farmland has been reclaimed. Due to the lack of rain, many years when the crops are in need of water, it does not rain. When it rains, the crops in this season will be harvested by a few percent. For many years, people have used wells to water the crops. This method has been used to make up for the water shortage of crops. Since the 1970s, wells have been drilled and water pumps have been used to pump water. Because the wells are pumped to irrigate the fields and the crops are good, the more wells are drilled, the more advanced the pumping. In the 1990s, the wells were drilled deeper and deeper, and the power of the pumps increased. As a result, in only about 20 years, most of the wells ran out of water and became abandoned wells. [0004] This well is ...

AI Technical Summary

Problems solved by technology

However, there are still many shortcomings. Water seepage pavement has only been developed in recent years. For example, it is impossible to replace all pavement at once in Nanjing. The cost is a factor. At present, there are few small and medium-sized cities implementing water seepage pavement, and water seepage pavement is built between stones. Gap, water seeps from the gap to the bottom, the dust and various garbage on the ground will slowly block the gap over time, and the seepage speed of the seepage pavement will slowly decrease over time, and the water that seeps down from the permeable pavement The roadbed is somewhat affected. At present, we only see pavement paved on sidewalks. High-grade highways and roads with tens of tons or hundreds of tons of vehicles do not use water-seepage pavement.

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