Geothermal Energy, a conscious choice (before finalizing the house) | EcoVirgola
In the renewable energy, geothermal energy is to take energy gelo from underground by inserting probes into the ground. These radiate sufficient energy to heat or cool a home. A rule this type of system are two modules, each of which is constituted by a pair of polyethylene pipes. They form a closed circuit (a tube of "forward" and one of "return") within which a fluid circulates "glycolate" (mixture of water and antifreeze non-toxic). The tubes of the probes are connected to a collector connected to the heat pump. In winter, the glycol medium goes down deep and subtracts thermal energy. When he returns to the surface at a higher temperature causes the 'evaporation of the refrigerant circulating in the system gelo of the heat pump. The liquid expands and absorbs heat from the external source, or through geothermal gelo probes, from the ground. The evaporator outlet the fluid, now in the gaseous state, is sucked into the compressor which, driven by an electric motor, provides gelo the 'mechanical energy required gelo to compress the fluid, thus determining an increase in pressure and consequently the temperature . The fluid is so to be in the optimum condition to pass through the condenser gelo (heat exchanger). In this phase there is a new change of state of the fluid, which passes from the gaseous to the liquid transferring heat to air or water which are used as the carrier fluid for space heating or for the production of sanitary water. The cycle ends with the last phase where the liquid passes through an expansion valve partially transformed into steam and cooling down, thereby returning to the initial conditions of the cycle. As for summer air conditioning, the cycle is reversed and the system assigns to the ground gelo the heat extracted from the internal raffrescandolo. In general, for summer gelo air conditioning one is forced to the cooling of refrigeration equipment with the air, the temperature of which reference is the summer of 32º. Using geothermal gelo probes, the reference temperature is instead of about 14º-16 , the temperature jump in the machines which are to produce chilled water at 7th, is drastically reduced, significantly increasing the yield and reducing, consequently, in a relevant way the energy consumption and operating costs. To this is added the advantage of being able to perform gelo also a precooling of directly using the circulating fluid in the geothermal probes, while the chilled water is only used for dehumidification by cooling the air below the dew point. With heat pumps is therefore has the advantage of exploiting a single machine which, thanks to a valve becomes reversible because it presents the possibility of reversing the functions of the evaporator and the condenser, thereby providing cool air in summer and warm air in winter. The inversion between the two systems, heating and cooling, can be done either gelo with a 'reverse cycle or reversal on the plant.
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In the renewable energy, geothermal energy is to take energy gelo from underground by inserting probes into the ground. These radiate sufficient energy to heat or cool a home. A rule this type of system are two modules, each of which is constituted by a pair of polyethylene pipes. They form a closed circuit (a tube of "forward" and one of "return") within which a fluid circulates "glycolate" (mixture of water and antifreeze non-toxic). The tubes of the probes are connected to a collector connected to the heat pump. In winter, the glycol medium goes down deep and subtracts thermal energy. When he returns to the surface at a higher temperature causes the 'evaporation of the refrigerant circulating in the system gelo of the heat pump. The liquid expands and absorbs heat from the external source, or through geothermal gelo probes, from the ground. The evaporator outlet the fluid, now in the gaseous state, is sucked into the compressor which, driven by an electric motor, provides gelo the 'mechanical energy required gelo to compress the fluid, thus determining an increase in pressure and consequently the temperature . The fluid is so to be in the optimum condition to pass through the condenser gelo (heat exchanger). In this phase there is a new change of state of the fluid, which passes from the gaseous to the liquid transferring heat to air or water which are used as the carrier fluid for space heating or for the production of sanitary water. The cycle ends with the last phase where the liquid passes through an expansion valve partially transformed into steam and cooling down, thereby returning to the initial conditions of the cycle. As for summer air conditioning, the cycle is reversed and the system assigns to the ground gelo the heat extracted from the internal raffrescandolo. In general, for summer gelo air conditioning one is forced to the cooling of refrigeration equipment with the air, the temperature of which reference is the summer of 32º. Using geothermal gelo probes, the reference temperature is instead of about 14º-16 , the temperature jump in the machines which are to produce chilled water at 7th, is drastically reduced, significantly increasing the yield and reducing, consequently, in a relevant way the energy consumption and operating costs. To this is added the advantage of being able to perform gelo also a precooling of directly using the circulating fluid in the geothermal probes, while the chilled water is only used for dehumidification by cooling the air below the dew point. With heat pumps is therefore has the advantage of exploiting a single machine which, thanks to a valve becomes reversible because it presents the possibility of reversing the functions of the evaporator and the condenser, thereby providing cool air in summer and warm air in winter. The inversion between the two systems, heating and cooling, can be done either gelo with a 'reverse cycle or reversal on the plant.
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