Water conservation office learned from the Xi’an: bear Qu Yuan Jiang Chunxiao district heating and hot water supply heat Xi’an shaoling Highland Development Co., Ltd., using water source heat pump, the daily production of geothermal tail water (even if the used water) to After the second heat exchanger recycling, until the discharge temperature from 40 ? down to 10 ?, and then recharge to the ground through recharge wells. Stay in the residential area of more than 50,000 square meters of the case, the company not only reduce the exploitation of geothermal water per day is about 400 tons, but also extended the life of the geothermal wells, excluding the sewage pipe and the surrounding environment, thermal pollution, improve the enterprise economic benefits.

This is undoubtedly the sustainable use of geothermal water in an effective way. At the same time, this reporter was informed that, at present, Xi’an normal operation of geothermal wells in a total of 50. Among them, both the use of recycled water source heat pump geothermal water, but also through additional water recharge to the underground, only Xi’an shaoling Plateau Geothermal Development Co., Ltd. 1. Why are both significant social economic benefits of saving water and energy methods have not been widely promotion to date

? This reporter interviews were conducted.

Xi’an geothermal exploration began in 1973. After 1993, geothermal energy development and utilization of Jianrugaochao. At that time, constrained by the technical level, ground water extraction system, only the extraction wells, did not recharge Kamagra Soft well. Can be used to recycle water, water source heat pump tail, but also the last ten years, especially in the last five years, only in North America, China and Northern Europe the United States, Canada, Switzerland, Sweden and other countries have made rapid development in the domestic use of water source heat pump tail water recycling less.

Therefore, when the city’s many enterprises have to drill geothermal wells, carried out heating, bathing, physical therapy, leisure and entertainment project, a large number of geothermal tail water temperature is still about 35 ? on a wastewater discharge, and some of them due to thermal pollution caused by improper discharge, leading to serious waste of energy, heat low rate of utilization of water resources.

In this case, in order to protect the exploitation of geothermal water resources in the city since 2002, has completed the hot water to households in the census, registration; serious waste of resources to the approval of the project in principle; reductions in Xi’an rapid decline in water level of urban households in the region for water extraction; continuously increased after heating geothermal tail water recharge test; use of pricing as a means Levitra to force the use of geothermal wells, take water-saving measures. Xi’an shaoling Highland Development Co., Ltd. is the heat processing sector in accordance with the requirements set geothermal water pumping wells at the same time, set the recharge wells, but also to respond positively to the Government’s call to conserve water, investment 2.40 million in the city take the lead in the acquisition of water source heat pump.

Ground water recharge of the current technology has been approved in the city in recent years, new geothermal wells in the mining sector to promote, but in previous years, geothermal wells approved in the promotion of the use of units difficult. Designed to recycle water, water source geothermal heat pump tail spread is more difficult. This is mainly due to recharge ground water and adoption of water source heat pump, we must increase the number of millions of dollars of capital investment. And even if no recharge, not using water source heat pump, geothermal wells in a 10-year life span propecia or proscar is also ~ 15 years. Some people hold that only the cost of playing a well approximately 400 million, Adds recharge wells, using water source heat pump, the increase in the cost of six years to recover the past, might as well just play an exploration well, scrapped the resort to 1 In any case, it was exploitation of underground water total.

According to reports, the vast majority of geothermal wells, pumping is not only recharge, but also a waste of geothermal tail water, the phenomenon has intensified the city’s geothermal water resources depletion. Since the last century since the 90s, the city’s geothermal wells constantly approval, kept scrapping, geothermal water level continued to decline. Among them, more geothermal wells in south-eastern suburbs, southern suburbs and Western suburbs area, ground water level dropped an average 15 meters to 20 meters, wellhead temperature fell by an average 3 ? ~ 5 ?. In a relatively small number of geothermal wells, mining a lower intensity of the western suburbs, the northwest of the east suburb area, has yet to establish a large area of the head down, but exploitation of the well head is still a single continuous downward trend, the annual average rate of decline of about 3 m ~ 5 meters.

Protection of non-renewable mineral resources, not only the need for greater investment, but also increase the development and utilization of new energy-saving technologies. To work out more energy-efficient new technology, to extend the life of the geothermal wells, so that our endless stream of geothermal water.

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