The Kiln Inlet Seal consists of two sets of spring steel lamellae with a layer of heat resistant fabric positioned between the two sets of lamellae. Between the inner and outer lamellae, a layer of heat resistant fabric is positioned to protect the outer set of lamellae and enable them to maintain their resilience. This spring effect forces the inner set of lamellae against the cooling mantle and provides a seal.
To prevent overheating of the kiln shell and sealing parts, a separate fan delivers cooling air to the space between the kiln shell and the cooling mantle. It also supplies air to the cooling air chamber, which cools down the shell surface of the kiln riser transition piece.
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