发明名称 |
VORRICHTUNG ZUR FÖRDERUNG VON FESTSTOFFREICHEN DICKSTOFFEN. |
摘要 |
<p>PCT No. PCT/EP93/00251 Sec. 371 Date Dec. 27, 1994 Sec. 102(e) Date Dec. 27, 1994 PCT Filed Feb. 4, 1993 PCT Pub. No. WO93/20002 PCT Pub. Date Oct. 14, 1993The invention relates to a conveyor for thick substances containing a great deal of solids and having a conveyor pipe (20) which can be filled with the thick substances under pressure and at least one injection point (22, 24) opening into the conveyor pipe (20) to supply a lubricant (83) to the region (84) between the pipe wall and the surface of a plug flow of thick substance (82) being formed in the conveyor pipe (20). In order to center the plug flow (82) inside the conveyor pipe (20) and provide a stable layer of lubricant (83), the invention proposes that the conveyor pipe (20) have at least one annular waist at a distance from and downstream of the injection point (22, 24) formed by a collar or shoulder-like projection (62') inside the conveyor pipe (20). A bore (72) passing radially through the pipe wall for the connection of a lubricant injection line (76) may be provided in the flow shadow of the waist (62'), and at least one further waist (79) is provided downstream at a distance from the injection drilling (72).</p> |
申请公布号 |
DE59301116(D1) |
申请公布日期 |
1996.01.18 |
申请号 |
DE1993501116 |
申请日期 |
1993.02.04 |
申请人 |
PUTZMEISTER-WERK MASCHINENFABRIK GMBH, 72631 AICHTAL, DE |
发明人 |
SCHLECHT, KARL, D-7024 FILDERSTADT 4, DE;SCHUSTER, ULRICH, D-7000 STUTTGART 1, DE;ROCKSTROH, AXEL, D-7432 BAD URACH, DE |
分类号 |
B65G53/30;B65G53/52;B65G53/58;F16L57/00;F17D1/08;F17D1/16;F23G5/44;(IPC1-7):B65G53/30 |
主分类号 |
B65G53/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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