A method for extracting clean water by utilizing the gravitational potential energy of domestic wastewater in high-rise buildings

Abstract

The invention discloses a method for using gravitational potential energy of sanitary wastewater in a high building to pump clear water. A pump system is used in the method for using the gravitational potential energy of the sanitary wastewater in the high building to pump the clear water. The pump system mainly comprises a waste water draining device, a clear water pumping device, a tap water tank, a waste water draining tank, a building top water tank and the like. The pump system achieves the purpose of directly using the gravitational potential energy of the sanitary wastewater in the high building to pump the clear water by switching on and off states of a switching valve in the waste water draining device and on and off states of a switching valve in the clear water pumping device in automatic cycle mode. Due to the fact that a mechanical feedback mode is used during the whole switching process, the pump system has the advantages of being obvious in energy saving effect and high in energy usage rate.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and energy saving, and more specifically relates to a method for extracting clean water by utilizing the potential energy of domestic wastewater in high-rise buildings. Background technique [0002] With the acceleration of urbanization in our country, the height of buildings in cities is getting higher and higher, and the number of high-rise buildings is increasing day by day. Due to the high population density of high-rise buildings, they often have the characteristics of large water consumption and large displacement, while domestic wastewater in high-rise buildings has potential energy corresponding to its height, and its potential use value is high. At present, the potential energy of high-rise building domestic wastewater is mainly utilized in potential energy generation. For example, a high-rise wastewater power generation device with a patent number of 200920310132.9 uses ...

AI Technical Summary

Problems solved by technology

Patent No. 201120480403.2 is a water supply and pressurization system utilizing the potential energy of waste water from high-rise buildings. It adopts the method of water storage and energy storage, and uses the pressure of waste water to directly drive the pressurization cylinder through the active cylinder for water supply and pressurization. Since the link of energy conversion is reduced, Improve the utilization rate of energy and effectively reduce the power consumption of secondary water supply, but the active cylinder, pressurized cylinder and reversing valve will have energy loss during operation

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