The number of dry hot wind days have been obtained by analyzing statistical data from 30 meteorological stations in Henan Province during 1967 ~ 1996 and the EOF analysis has been conducted.
通过对河南省30个站1967 ~ 1996年近30年的气象资料统计，得到全省干热风发生日数，并对其进行了EOF分析。
Drying sector adopts sponge stick to absorb water, and use hot wind to dry. It has wonderful effect on dryness.
干燥段采用海绵辊吸水，热风烘干技术，干燥效果极佳；
Set up strong wind water shearing and hot air cycle drying system, dry quickly and effectively.
设置强风切水及热风循环干燥系统，干燥迅速有效。
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