The laminated sealing structure is composed of several pieces of heat-resistant and laminated elastic steel plates. One end of the elastic steel plate has a concave dust lifter, the cone-shaped flange on the upper side rotates with the kiln body, and the other end is pressed on the shell of the kiln head or kiln tail. The advantages of the sealing device are that there are no machined parts, the installation requirements are not high, and the vulnerable parts to be replaced are elastic steel plates. A common type of fish scale sealing device (as shown in Fig. 3-3) of laminated seal. Its sealing elements are evenly laid on the cylinder of rotary kiln, and the two are overlapped with each other. There is a pressing plate around the rotary kiln, and a pressing device is composed of steel wire rope, pulley and counterweight to reduce its radial clearance, reduce the radial sealing between the sealing elements and the rotating cylinder, so as to seal To achieve. However, with the long-term rotation of rotary kiln, the radial clearance will become larger, so the effect of sealing device will become worse.<br>
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