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四、基本型式压缩机的平衡情况及分析 各种基本形式的多列压缩机的平衡情况的计算结果列于附表中,可供实际工作中参考使用。 根据各种基本型式的多列压缩机的平衡计算结果,可以归纳出下列特点: 对于直列式压缩机(列数从i=2到i=6) 1.所有直列式压缩机的一阶惯性力I_(w1)和施转惯性力I_x均能平衡,仅两列θ=90°的压缩机除外(图13a及c); 2.所有直列式压缩机的二阶惯性力I_(w2)均能平衡,仅θ=180°的两列和四列压缩机除外(图13b);
Fourth, the basic situation of the balance of the compressor and analysis The basic form of the calculation of the balance of multi-column compressor results listed in the table, for practical reference for use. The following characteristics can be summarized on the basis of the balance calculation of multi-row compressors of various basic types: For in-line compressors (number of columns from i = 2 to i = 6) 1. First-order inertial force of all inline compressors Both I_ (w1) and inertial moment I_x are balanced, with the exception of two compressors with θ = 90 ° (Figure 13a and c). 2. The second-order inertial force I_ (w2) for all in-line compressors is Equalized, except for the two-row and four-column compressors with θ = 180 ° (Figure 13b);