Twin Vacuum Furnaces for Energy-Optimized Heat Treating

The first set of twin furnaces working on a single pumping station have recently been developed and commissioned to a leading designer and manufacturer of vacuum furnaces for the heat treatment of metal parts.

BMI, a Tenova company, headquartered in Lyon, France, commissioned the B54R-TWIN – vacuum furnaces for tempering – to meet the customer’s specific request for equipment that optimizes energy consumption.

During a heat treatment cycle of the B54R-TWIN, the pumping phase lasts only 30 minutes. Therefore, it is more efficient to use only one pumping group for two furnaces, working alternatively on one furnace or the other. This not only reduces electricity consumption but also minimizes the maintenance costs of the pumps.

Earlier in this quarter, Tenova announced key contracts from Chinese steel producers for six electrical arc furnaces (EAF) Consteel® Evolution in response to Chinese steelmaking industries converting their steel shops plants with EAF technology. In order to improve the reduction rate of CO2 emissions promoted by Chinese government, Chinese steelmakers are starting to increase the share of electrical steel production in comparison to manufacturing using blast or basic oxygen furnaces.