the discussion of how decanting centrifuge evolved 3

There are also, at that time,quite a lot of interest in the use of decanting centrifuges capable of handling sludge for the dewatering of starch and the German companies made decanter centrifuge that embodied the decanting principle for this purpose. Apart,however, from a slight resurgence of interest in starch processing in the 1920s,the decantin centrifuge effectively vanished for 40 years.

It re-emerged at the end of the 1930s in the patent literature,showing a conical decanter with feed at the base of the cone. Then not again until the mid 1940s,showing a conical bowl and a more sharply conical beach section and intended to separate two solids, one settling and one floating from the suspending liquid.

Meanwhile, a company was patenting basket and tubular bowl centrifuge developments and the other company had not yet been formed. So the relatively sudden appearance on the market of conical bowl decantin centrifuge by both companies in 1945/1946, is,in retrospect, quite surprising. The P1000 decantin centrifuge has quite a rapid impact on the whale and fish oil market, so much so that AB separator was forced to copy the sharples machine or lose a good market in the fishing industry.

Bird machine applied for a patent early in 1949 on kaolin production in which decantin centrifuge were included merely as items in a flowsheet as processing tool not otherwise described, while a patent granted in 1947 but which had been filed in 1947 showed a similar use ib the cement industry for classification by size. A December 1949 application by Bird machine shows a three-section bowl ready for solid washing on a screen section.

The combination of the slow but sure economic recovery and the evidence of successful operations by Bird brought a rush of competitors to the market.

Tangshan Aojie Petroleum Machinery Equipment Make Co., Ltd (Short for: 

OGEM Solids Control)

Address: NO.2 Jingxi Road,Lunan District,Tangshan city,Hebei 

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Email: ogem2@ogemsolidscontrol.com

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