| 摘要 |
<p>Procedure for conveying and loosening powdery goods with one blower by which the air stream is alternatively branched off in the conveying line and in the loosening equipment or in another conveying line. The equipment includes a rotary valve (2) mounted on a motor shaft and provided with two different recesses (2a, 2b). The rotary valve (2) is mounted in a housing (1) with two outlet sockets (1b, 1c) and an inlet socket (1a) positioned in the middle of the housing bottom for blowing the air in the housing. The outlet sockets (1b, 1c) are alternatively opened and closed by the rotary valve (2). The surface areas of the recesses (2a, 2b) in the rotary valve (2) are in a ratio of 1 : 1 to 4 : 1 and the circumferential speed of the valve is 1 - 10 r.p.m..</p> |
