开发了一种被称为多段悬浮床塔式反应器的新型装置，以代替双酚a生产中苯酚与丙酮缩合反应所使用的固定床反应器。
A new equipment-column type suspension reactor with multiple trays, has been developed for the condensation of phenol with acetone in the production of BPA instead of conventional fixed bed reactor.
双台床升降冷却装置，利用完全燃烧和引射排烟方式达到国家环保要求。
Complete combustion and the mode of smoke emission by ejection are adopted for the double-bed elevating cooling device, so as to reach national environmental protection requirements.
本发明涉及铸造用的型砂冷却除尘装置，特别是双质体振动型砂沸腾冷却床。
The invention relates to a molding sand cooling and dedusting device for foundry, in particular to a double-plastid vibration molding sand boiling and cooling bed.
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