 Wysłany: Nie 17:45, 02 Sty 2011 Temat postu: Moncler sale Tourist hotel air conditioning system |
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| Tourist hotel air conditioning system cooling by heat recovery of hot water solution
With interest only another three months of the year can be fully recovered. Present. Guangzhou lot of electricity charges, even if the maximum price at 0.80 yuan / kwh basis, using the above method, using hot water heat pump can save cost of 136,000 yuan per year, with the one-time increase in investment costs four years with interest would not have to be fully recovered, so the program three hot water heat pump system is the economy. (2) As China's current coal prices low, so the heat pump hot water than traditional coal-fired boilers to save money. On the other three drop considerations, heat pump water heating has its advantages: ① large coal stacking space,Moncler sale, transport volume. ② coal-fired boilers will cause environmental pollution, especially in large cities, environmental pollution has become a pressing social problem. ③ In addition to price factors, but also must consider the economic use of a performance. Thermal power generation efficiency is about 35, along with transmission losses,puma shoes, energy consumed by the power of about one-third full year results for the coefficient of so {. 85 of the heat pump system, power plant fuel consumption than conventional heating systems, resulting in an energy savings. Heat pump hot water can be applied not only hotels, but also can be used simultaneously applied to the other cold, heat,mbt shoes sale, field units. Such as breweries, etc., have a good economy, great development prospects. Fourth, heat pump hot water 4 is a flow chart of the program three cascade heat pump water flow, the centrifugal compressor 1, I composed cascade heat pump system, the compressor I was low level,uggs bestellen, high-temperature stage compressor I, I level I-level condenser and evaporator water system in series. Spring, summer and autumn, the air conditioning system at least one refrigerator, it has to heat water, by cooling a cascade heat pump heating cycle,tory burch sale, the process t t low-level chilled water evaporator 3, a user of a one pump evaporation device. Cooling water: cold water storage tank of a cryogenic stage one pump condenser 2 a level evaporator temperature of a valve V5, and then all the way to a cold water storage tank, the other way for a cooling tower water storage tanks. Hot water: Hot water storage tanks of a condenser of a heat pump level l, when the water temperature <65 ~ C, the first by the auxiliary heater of a user (65. C hot water) I when the water temperature ≥ 65. C, l excess water directly for the user to the flow of hot water storage tanks. When no hot water, the system into the regenerative cycle, valves V1, V2 closed. When the hot water requirements less and hot water storage tank temperature reaches the set value, can I turn off the compressor high temperature level, by the hot water inside the thermal storage water to maintain. In the spring and autumn, when night temperatures do not need refrigeration but simply reduce the water heating system for heating a single cycle. The beginning, in addition to the pump l work, high: low stage compressor and the other pumps are turned off, the required hot water directly from the hot water storage tanks through 5, 1991 (No. 56 overall) over hot water loop available. When the temperature is below the set value, first open the high-temperature stage compressor, this time due to the temperature of hot water storage tank in the loop than the cooling water temperature is much higher, you can use the remaining heat hot water storage tanks heating, the cooling water loop is: Cooling water: hot water storage tank hot water storage tanks in cold water ten one pump condenser 2, a low level of a high temperature valve vs a level evaporator, a cold water storage tanks. When the temperature of hot water storage tanks to further reduce the time. Low-level refrigerator to be opened, one by one to rely on air heat exchanger absorbs water heating outdoor air, heat, or auxiliary heater. Winter hotel without refrigeration, air cascade heat pump systems one by one the water absorption of outdoor air heat exchanger, heating processes and the same system. Although this case has failed to effectively use the cooling capacity, but mentioned earlier, full-year consolidated results of its coefficient (cop) Y still plans cascade heat pump system processes {gills Figure V. Conclusion This paper analyzes the cooling and heating loads tourist hotel demand, compared with cascade heat pump to recover hotels around the cooling process of air-conditioning system for supplying hot water heat rejection. Hot water with several other programs of economic comparison. Concluded that cascade heat pump has a good economy, the use of flexible, time saving energy is a measure of energy. Meanwhile, the program can also be applied to the other can be integrated for the occasion. The cascade heat pump system in the practical application of research and there are still some problems to be solved, such as seasonal variation and passenger traffic situation on the hotel cooling and heating of hot and cold load variation, the corresponding adjustment methods and institutions, the whole system and so on. However, we can expect, with the heat pump technology continues to evolve, as people continue to attach importance to saving energy, its application will be more extensive. References (1) 'heat pump) Volume II, H ・ Keith waiting, Geng Hui translation. Machinery Industry Press 198'7. (2) ? Divertimento drainage works within its population, Taiyuan Institute of Technology, eds. Building Industry Press t986. (3) 'large-scale heat pump and heat recovery) Takada a significant fall. Translated by Lin enough. 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