介绍了中药制剂厂房洁净空调系统针对不定时开启局部除尘排风造成系统压差不能保证的解决方案;集中式多个子洁净空调系统操作室对洁廊相对负压的解决方案。
In cleaning air conditioner used in Chinese drug factory, if the local dust removing air discharge is not turned on in time, the differential pressure in the system cannot be kept.
随着循环量的增大,立管内的负压差梯度及气固相对速度也随之增大;
The negative pressure gradient and slip velocity in standpipe increase with the increase of circulating rate.
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