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Gas jet pump is a high-pressure gas suction device of the low pressure fluid , it has the advantages of simple structure, no moving parts, low - cost , easy maintenance , and no special requirements for pumping gas , even if it is toxic , corrosive , flammable and explosive even condensable gases are applicable , in addition to pumping capacity , working pressure range is wide , it is widely used in energy, power , petrochemical , iron and steel metallurgy , light industry and textile , construction , refrigeration and other industries . In recent years, with the aluminum smelting industry is also moving in the large current , a large development of the electrolytic cell , a single electrolytic cell the amount of aluminum greater increase , which also requires the capacity of single aluminum ladle must also increase ladle vacuum device is very important . Guizhou branch of 230 kA aluminum electrolytic cell into production in 2005 , with an annual output of 170,000 tons of electrolytic aluminum . With the support of the new ladle also corresponding to the production, manufacture , commissioning, its capacity of 7 tons . During the commissioning process , mainly the vacuum could not aluminum water sucked into the carry bag , can not meet the production process requirements . Through the gradual decomposition of the system equipment , research impact ladle vacuum degree of the factors to identify a small investment , quick solutions . Finally , through theoretical calculations and experiments to find a suitable solution , fully meet the requirements of the production process .
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