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The end client’s factory wanted to diversify its steam production, traditionally based on gas. The solution – a new biomass boiler – has emerged with an additional environmental benefit. Scaldis, recognized provider in the field of biomass handling, contacted Konecranes France to design a solution together, with a crane equipped with a skip, for a project located in Beinheim (67). From the site constraints, the technical teams worked together to develop a project that meets the needs of the end client, by providing a fully automatic operation.
An initial Scaldis request was to design a device with sufficient capacity to provide the boiler‘s consumption flow. The crane was then required to enter easily into the building, within the constraints of the passage and headroom sizes. And finally, the device should guarantee an extremely important reliability rate, as the plan was to install only one device in order to feed the boiler 24/7.
Konecranes' solution revolved around the CXT Biomass crane. This is an M6 or M7 classification hoist according to the FEM, with capacities ranging from 3.2 t to 10 t. By choosing the speeds available in the range, the Scaldis and Konecranes teams have sized the unit as needed. A calculation sheet of cycle times has validated all the choices.
One advantage of the CXT hoist also lies in its very compact dimensions. The draft plan of the crane and skip set has allowed for verification the device was part of the available space in the building.
The availability and reliability aspects were covered by the use of a hoist manufactured in series, at several thousand units per year, in our factories in Finland. This is the opposite of a prototype; the technical solutions used are largely proven and maximum reliability.
The client‘s new boiler was started on the planned date, and the client is completely satisfied with the Scaldis service and their partner Konecranes for the lifting part.
Indeed, the crane feeds the plant daily in the expected volume, and the automation controls the process without interruption.
SCALDIS has since won other contracts and asked Konecranes France to continue the collaboration, with the same project management team, but with different lifting capacities, for which the CXT range will not fail to respond.