Testing and Research on Medium and Mid-Deep Layer Non Disturbance Geothermal Heating System
Geothermal energy is known as the energy facing the future,and its development and utilization are increasingly valued under the background of China's"dual carbon strategy".The medium to deep non-interference geothermal heating technology has the characteristics of"closed heat exchange,no in-terference to the above ground and underground environment,and independent heating",and has been applied in many regions of China in recent years.Further explore the application characteristics of this technology in different regions,and conduct testing and research on the first application case of mid to deep non-interference geothermal technology in Ningxia region.After testing,the average output power of a single medium to deep undisturbed geothermal heat exchange hole is 547.9 kW.During the four months of continuous testing,the average water supply temperature range on the heat source side is 33.6℃～22.7℃,and there is no significant decrease;After analyzing and calculating the test data,the annual operating cost of the application case is 135 662.6 yuan,with an average operating unit price of 1.71 yuan/m2·month;Compared to the coal-fired boiler heating method,the annual cost savings are 5 179 374 000 yuan,and the operating unit price is reduced by 6.53 yuan/m2 per month,with a de-crease of 79%;At the same time,it can replace 116.3 tons of standard coal annually and reduce CO2 emissions by 288.1 tons,which has good economic and environmental benefits.
NETL
NSTL
万方数据
