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推导了再生式空气预热器换热的数学模型、定解条件及数值求解的递推公式，并针对三分仓空气预热器进行了求解验证，从而得到了三分仓空气预热器的计算方法。为了适应常规热力计算的需要，文中还给出了１个三分仓空气预热器简化计算的方法。最后，利用计算分析的结果，对再生式空气预热器的设计及运行提出了一些建议。图３表２参３
The mathematical model of heat exchanger for regenerative air preheater and the recursion formula of the solution and the recursion formula of numerical solution are deduced. The three-point air preheater is solved and verified, and the three-point air preheater Calculation method. In order to meet the needs of conventional thermal calculation, the article also gives a simplified calculation of a three-point warehouse air preheater. Finally, some suggestions on the design and operation of regenerative air preheater are put forward based on the results of calculation and analysis. Figure 3 Table 2 Reference 3