| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fluidized-bed device having a seal member realizing that a filtration bottom is sealed closely to a wall part. SOLUTION: The vessel 3 of a fluidized-bed device has two wall parts 8 and 9 detachably joined together and a rotary filtration bottom 21 arranged almost flush with the joints. The wall parts 8 and 9 have the grooves 66c and 68c having an almost arched cross section at the joints. Both grooves 66c and 68c form a grooved part opened toward the inner chamber 28 of the vessel and have a hollow, tensionless seal 81 having a circular cross section.</p> |
