Twin Shaft Lime Kiln

1. The twin shafts lime kilns have two parallel kiln chambers, which are connected through the connecting channel at the lower part of the lime kiln body. The calcination process has two characteristics: parallel flow and regenerative(heat storage). Parallel flow means that the high temperature flue gas and the limestone flow in the same direction when the limestone is tempered. This is conducive to calcining high-quality active lime. Heat storage means that the high temperature flue gas of kiln chamber 1 enters kiln chamber 2 through the connecting channel at the lower part of the two kiln chambers. The high temperature flue gas flows upward in kiln chamber 2 to preheat the limestone in the preheating zone to a higher temperature. The schematic diagram of the structure of the kiln body explains the working principle very well. This principle makes full use of the waste heat of the exhaust gas to ensure that the kiln has high thermal efficiency.

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2. The masonry inside the kiln body is to build refractory materials of different materials according to the different characteristics and working temperature of the working zone, so as to meet the use requirements of each part.