จำหน่ายเกจวัดแรงดัน Pressure Gauge ทุกยี่ห้อ

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In the mining industry’s drive to conserve energy, a give attention to pumps is crucial, especially given the sheer scale of pumping gear required on the common mine and mineral processing plant.
On this rating, world minerals course of specialist FLSmidth has allowed mines to achieve new ranges of efficiency with the initially patented wear ring know-how on its KREBS pumps, according to Stephan Kruger, FLSmidth’s Vice President Pumps, Cyclones and Valves for Sub-Saharan Africa, Middle East and South Asia. Mines have seen vital effectivity features by utilizing KREBS pumps, explains Kruger, leading to appreciable backside line impacts when multiplied by the dozens or even hundreds of pumps usually employed on a single mine site.
“It isn’t only the rising value of electricity that drives mines’ energy methods, but additionally their dedication to a low carbon future,” he says. “FLSmidth’s KREBS pumps instantly help these efforts by our mining customers, thanks in nice half to our progressive put on ring know-how.”

He highlights that two key elements that cut back efficiency in slurry pumps are typically suction side recirculation and mechanical grinding between the casing and the impeller. The wear ring significantly reduces both of these components, resulting in lower energy draw and longer pump life.
“Through our case research, we now have seen power draw being reduce by 5 to 10% for the same circulate and head with the application of KREBS pumps,” he points out. “Similarly, we have measured the impression on pump life, and have proven that the lifetime of wet end parts could be lengthened by one and a half to two occasions.”

According to Derek Lane, General Manager Operations, standard products available within the market remedy only one of these elements through impeller and liner adjustment which may cut back recirculation but simultaneously exacerbates the grinding. “This leaves the pump user having to compromise on efficiency, which we don’t anticipate our customers to do,” Lane explains.
He says adjusting the wear ring allows the pace of the pump to be maintained as a relentless, rather than users having to speed up the pump in response to the impression of grinding and wear. The wear ring in KREBS pumps may be easily adjusted in order that it continues drawing the identical energy for the required strain, holding vitality consumption to a minimal.
The regular adjustment of KREBS pumps may also be accomplished with out shutting down the pump and disrupting operations, says Morne Potgieter, FLSmidth Sales Manager Pumps, Cyclones and Valves for Central and Southern Africa. This is necessary as it contributes to the general continuity – and hence efficiency – of the entire operation.
“The wear ring may be merely adjusted by hand whereas the pump is working, and with out the utilization of any special instruments,” he notes. “This permits the gaps to be kept as small as attainable to keep away from recirculation inside the pump, whereas maintaining velocity and pressure.”

FLSmidth makes the most of this technological innovation via its skilled subject service teams and coaching choices, which ensure that clients understand and apply the wear ring adjustment to finest impact. ไดอะแฟรม ซีล says the coaching leaves on-mine operators more snug with the task of adjustment, even when a lot of them could also be hesitant about engaged on rotating machinery.
“We additionally do in depth technical coaching with clients on elements such as pump assemblies, and make positive that we are available after they need us,” he says.
The lifetime of KREBS pumps is further enhanced by the vary of supplies of development out there to go properly with the appliance, says Kruger. “The alternative of fabric is based on the appliance necessities and particularly minimising put on. There are numerous components thought-about which determine the fabric of building corresponding to pump size, impeller measurement and tip velocity as well as slurry hardness.”.
Materials used in the development of slurry pumps are classified into two major varieties: metals and elastomers. For metallic pumps high-chrome alloys, hypereutectic alloys, hypoeutectic alloys and stainless steels are commonly used. Elastomers choices differ between natural rubber, polyurethane and synthetics such as neoprene.
He emphasises that the applying of those supplies makes their very own contribution to the mining sector’s sustainability agenda, by reducing the level of scrap produced because of gear substitute.
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