บทความ เกจวัดแรงดัน

KREBS® pumps support mine’s effectivity drive

In the mining industry’s drive to preserve power, a focus on pumps is important, especially given the sheer scale of pumping gear required on the typical mine and mineral processing plant.
On this rating, global minerals process specialist FLSmidth has allowed mines to realize new levels of efficiency with the initially patented put on ring know-how on its KREBS pumps, in accordance with Stephan Kruger, FLSmidth’s Vice President Pumps, Cyclones and Valves for Sub-Saharan Africa, Middle East and South Asia. Mines have seen significant efficiency features by using KREBS pumps, explains Kruger, resulting in considerable backside line impacts when multiplied by the dozens and even tons of of pumps usually employed on a single mine website.
“It isn’ digital pressure gauge rising cost of electrical energy that drives mines’ power methods, but additionally their commitment to a low carbon future,” he says. “FLSmidth’s KREBS pumps directly help these efforts by our mining prospects, thanks in nice half to our progressive wear ring technology.”

He highlights that two key features that scale back efficiency in slurry pumps tend to be suction side recirculation and mechanical grinding between the casing and the impeller. The put on ring considerably reduces both of these factors, resulting in decrease energy draw and longer pump life.
“Through our case studies, we have seen power draw being minimize by 5 to 10% for the same move and head with the appliance of KREBS pumps,” he factors out. “Similarly, we now have measured the impact on pump life, and have proven that the lifetime of moist end components could be lengthened by one and a half to 2 occasions.”

According to Derek Lane, General Manager Operations, standard products available in the market clear up only one of these components by way of impeller and liner adjustment which can reduce recirculation but concurrently exacerbates the grinding. “This leaves the pump consumer having to compromise on efficiency, which we do not count on our customers to do,” Lane explains.
He says adjusting the wear and tear ring permits the pace of the pump to be maintained as a relentless, somewhat than users having to hurry up the pump in response to the impression of grinding and put on. The wear ring in KREBS pumps could be easily adjusted in order that it continues drawing the identical power for the required strain, holding energy consumption to a minimal.
The regular adjustment of KREBS pumps can be carried out 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 essential because it contributes to the general continuity – and therefore effectivity – of the whole operation.
“The put on ring could be merely adjusted by hand while the pump is working, and with out using any particular instruments,” he notes. “This permits the gaps to be saved as small as potential to avoid recirculation contained in the pump, while maintaining velocity and stress.”

FLSmidth makes the most of this technological innovation via its expert field service teams and coaching offerings, which make sure that prospects understand and apply the wear and tear ring adjustment to finest effect. Potgieter says the training leaves on-mine operators extra comfy with the task of adjustment, even when a lot of them may be hesitant about working on rotating machinery.
“We additionally do extensive technical training with prospects on features such as pump assemblies, and ensure that we can be found once they want us,” he says.
The life of KREBS pumps is additional enhanced by the range of supplies of building out there to go well with the application, says Kruger. “The selection of fabric is based on the appliance requirements and particularly minimising put on. There are numerous elements thought of which determine the material of development corresponding to pump size, impeller dimension and tip speed in addition to slurry hardness.”.
เกจวัดแรงดัน used within the development of slurry pumps are categorized into two primary types: metals and elastomers. For metallic pumps high-chrome alloys, hypereutectic alloys, hypoeutectic alloys and stainless steels are generally used. Elastomers choices differ between natural rubber, polyurethane and synthetics similar to neoprene.
He emphasises that the appliance of these supplies makes their own contribution to the mining sector’s sustainability agenda, by decreasing the extent of scrap produced as a outcome of tools substitute.