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NETZSCH - Progressing Cavity Pumps and Rotary Lobe Pumps Case Studies

NETZSCH - Progressing Cavity Pumps and Rotary Lobe Pumps

Rotary Lobe Technology for High Volumes in a Limited Space NETZSCH has developed a whole range of specialised progressing cavity and rotary lobe pumps for the various fields of application in the up, mid and downstream areas. The major special feature of the self-priming, valveless rotary lobe pump TORNADO T2 is its synchronised gear with belt drive which, in contrast to standard timing gears, is extremely resilient and very easy to maintain. A belt with teeth on both sides transmits the power from the motor to both rotary lobes and synchronises these at the same time.
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NETZSCH Upstream Conveys Extremely Difficult Media to Oil and Gas Fields The traditional image of oil production using pumpjacks with their distinctive 'donkey' heads is still to be seen on many oil fields around the world. However, pumpjacks are increasingly being replaced by a less spectacular, but more efficient system - progressing cavity oil pumps.
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Multiphase Pumps Cover Demanding Tasks on Oil and Gas Fields Despite all efforts to promote renewable energies, global demand for crude oil and natural gas has continued unabated. Prices are rising and interest in opening up new sources, including unconventional ones, is rising with them. Methane from coal seams and highly viscous oil at more than 10,000 mPas are already of commercial interest today, but are just as complicated to extract as oil-sand mixtures from the Sudanese desert. Conveying systems must above all be adapted to the media, to the environment and to one another, if production is to be efficient under such conditions.
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Less Need for Servicing in Spite of Difficult Conveying Applications An African mining company was suffering extreme wear on a pump installed on an abrasive powder slurry. Additionally, the local supplier did not offer either service or fast provision of spare parts. The customer felt they had been left on their own. NETZSCH technicians therefore had persuasive arguments for getting the company to switch to a NEMO® progressing cavity pump.
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Dosing Pumps for Various Applications from a Single Source A platinum mine needed dosing systems for flocculants, anti-foaming agents and flushing water on critical seals. The operator had originally intended to use different types of pumps for these various applications: peristaltic pumps for the flocculants, progressing cavity pumps for the anti-foaming agents and centrifugal pumps for the seal water. NETZSCH technicians were, however, able to convince them that the characteristics of the progressing cavity pumps - accurate dosing, low pulsation and gentle conveying - made the progressing cavity pump ideal for all of the applications and therefore they could standardise on one supplier.
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Problem-Free Pump Operation - In Any Situation During the recommissioning of an iron ore mine in Swaziland that had been shut down, the consultant appointed by the mining company was initially planning to install a NEMO® progressing cavity pump which he had already had good experience of in the past.
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Special Joints and Double Seal Mean Longer Service Life An African mine owner was in a fix because a pump which was critical in terms of the process of filling tankers with an ammonium nitrate emulsion from silos not only had too low a performance level but was also constantly breaking down: the pin joint could not withstand the torque during the system's frequent stops and starts and there was severe bending of the coupling rod.
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