| 摘要 |
A filter assembly for removing particulate matter from high temperature gas streams is disclosed, said filter assembly comprising: a rigid, tubular frame or cage made of high temperature stable material, having a closed lower end, or optionally an open lower end, and adapted to be connected to a gas compartment at its open upper end, the cage having openings to provide at least 40 percent open area on its lateral surface, with each opening having an area of less then 125 square millimeters, a filter element surrounding said cage and comprising a conformable, fabric tape of woven ceramic fibers tightly spiral-wound in an over-lapped wrap about the lateral surface of the cage, said filter element being a gas permeable, rigid, seamless, tubular structure having at least one open end, and a clamping means for securing the filter element to the lower end of the cage, the clamping means optionally forming an end cap for the lower end of the filter.
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