| 摘要 |
A manifold receives gas streams from a plurality of gas purifiers arranged in parallel. The manifold comprises a plurality of pipe portions wiht a successively increasing diameter forming a main channel in the manifold. A first pipe portion projects into a second pipe portion, whereby, in the gap between the pipe portions a connection channel is formed which is substantially parallel to the main channel. The second pipe portion projects into a third pipe portion, thus forming a gap between the pipe portions and so on. Outlet tube portion from cyclones are connected to the connection channels.
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