The total investment of 7.72 million yuan in Daqing Petrochemical Chemical Plant 1 ethylene cracker reform project started last week. After the completion of the transformation, the cracking furnace is expected to produce 992 tons of ethylene, 490 tons of propylene and 489 tons of butadiene per year, which will increase annual efficiency by more than 19 million yuan. <br> The cracking furnace is a 16W industrial furnace of Stone-Webster, USA. The construction will transform the radiant section and replace the original 16 W-type furnace tubes with 48 U-type furnace tubes. Residence time, the purpose of increasing diene yield. The renovation project was carried out by Shanghai Huisheng Co., Ltd. and the Daqing Petrochemical Construction Company was under construction.
<p>Combination Pump(Gear Pump)</p><p><strong><span style="font-size:large;">Combination pump</span></strong> combines the titanium <strong>sublimation pump</strong> with the triode ion pump to economically increase pumping speed while
maintaining the feature of ion pump which can easily obtain clean ultra
high vacuum.
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