| 摘要 |
<p>PROBLEM TO BE SOLVED: To smoothly and easily perform the projection supply and reception of a backward passage at the time of reciprocating motion of a pig and to simply perform work. SOLUTION: The receiving device also used as a supply port has a spherical cyclone main body 1 provided with an insertion and extraction port 2 having an openable and closable lid 2a provided in the upper part thereof and a guide pipe 3 connected to a pipe A in a lateral direction through a connection pipe 4, and further, a receiving crosspiece 5, which is almost horizontal with respect to the under surface 3a of the inner wall of the guide pipe 3, is supported within the main body 1 by support pieces 5a. Furthermore, a connection pipe 7 to which an air introducing pipe 6 equipped with a regulation valve 6a is connected, a suction pipe 8 to which a suction device 9 is connected and a discharge pipe 11 equipped with an on-off valve 11a are provided to the main body 1 and the ball pig P inserted on the receiving crosspiece 5 in the main body 1 is supplied toward the guide pipe 3 by cyclone action and the pig P guided from the guide pipe 3 by suction is received on the receiving crosspiece 5 while revolved in the main body by cyclone action.</p> |
