塔盘供货商应对塔盘的详细设计负责，包括下降管。塔盘供货商也应对回流及进料分布器设计供货。
Tray vendor shall be responsible for detailed tray design including downcomers. Tray vendor shall also design and supply reflux and feed distributors.
通过对DL型塔盘的应用介绍，降低一吸塔的热负荷，以达到减小回流氨添加量，便于高负荷下一吸塔的操作，最终达到提高氨加工能力。
DL tray can reduce the heat load of the first absorption tower and reduce the addition amount of reflux ammonia. As a result, ammonia treatment capacity is increased.
塔盘供货商也设计并提供回流及进料分布器。
Tray vendor shall also design and supply reflux and feed distributors.
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