Study On The First Kind Of Absorption Heat Pump Is Applied In The Central Heating System

Studies have shown that the 20MW power first absorption heat pump's COP is between 1.32 and 1.73 when the temperature of water with excess heat is not higher than 33 ?, the temperature of water that come out of the heating network is not lower than 52? driving steam pressure lower than 0.3MPa. However, until now, Chinese people still don't know the quantitative calculation formula of the COP that present the 20MW absorption heat pump,this research in this paper makes that up.The first part of the article summarizes the ways that how absorption heat pump is applied to the central heating system, and take the thermal power plants for example, combines an absorption heat pump system and a central heating system, drawing the integrated application's cycle flow chart.Secondly, on the one hand , using the regular way to calculate the 20MW power absorption heat pump system ;on the other hand by building up the numerical model of every part of the absorption heat pump, and use Matlab write the program to calculate the heat pump system,and then raising a new way named mathematical method, and match the result from tow different way and get the 20MW first kind of absorption heat pump's every state points'parameter and the area of every heat transport equipment.Thirdly, the paper analyze the data that come from different situation, find out the best working conditions, after that the paper continue to use the Origin fit the comprehensive empirical formula shows how COP is influenced by every other parameters, we can use that formula to calculate COP.At last, this paper keep on calculate the 20MW absorption heat pump's benefit, and treat it as a foundation, putting forward the simple way to analyze the benefit, reference for the future project budget.