(1) Low maintenance and operation costs. The trolley furnace has a furnace door and a lifting mechanism, a furnace car and a driving mechanism, a sealing and driving parts, a complex structure, and a large amount of daily maintenance work. The bell furnace basically has no transmission mechanism, the sealing structure is also simple, the workload of maintenance and overhaul is small, and the maintenance cost is low.
(2) The construction period is short and the total cost is low. The overall structure of the bell furnace is simple, and there are few purchased parts and machined parts, so the manufacturing and construction are simple, the cycle is short, the cost is low, and the production is fast.
(3) High efficiency and energy saving. The bell furnace hood can be moved, and the local town can achieve one hood and two sets if there are conditions, so the use of bell furnace has large output, high efficiency and low energy consumption. Compared with the trolley furnace, the bell furnace has good air tightness performance, which basically cuts off the air flow exchange inside and outside the furnace, and the bell furnace of the same specification has less heat dissipation loss than the trolley furnace, which is more energy-saving.
