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    • 6. 发明授权
    • Method of shock-reduced pneumatic plug conveyance of bulk materials and
device for implementing the method
    • 散装材料的减震气动插头输送方法及其实施方法
    • US5791829A
    • 1998-08-11
    • US704691
    • 1996-09-16
    • Manfred IltzscheReinhard ErnstEugen Metzler
    • Manfred IltzscheReinhard ErnstEugen Metzler
    • B65G53/06B65G53/52B65G53/66
    • B65G53/525
    • Methods and devices for the conveyance of bulk materials by a compressible conveying medium and in the form of discrete plugs from bulk materials in pipes are known. A disadvantage is the high-energy and abrupt expansion of the volume of the conveying medium between the plug being discharged and the one following it at the end of the pipe. This disadvantage may be avoided in that the amount (2') of compressed conveying medium existing in each case between plugs (1') in sequence in the downstream end portion (12b) of the pipe as compared to the amount (2) of compressed conveying medium (2) existing between plugs (1) upstream (at 12a) of the end portion (12b) of the pipe is reduced. This is particularly achieved by converting the long plugs (1) into plugs of reduced length (1'), following each other in reduced spacing.
    • PCT No.PCT / DE96 / 00173 Sec。 371日期1996年9月16日 102(e)1996年9月16日PCT 1996年2月1日PCT PCT。 公开号WO96 / 23717 日期1996年8月8日用于通过可压缩输送介质输送散装材料的方法和装置以及管道中散装材料的分立塞子的形式是已知的。 缺点是在排出的塞子和在管道末端跟随它之间的输送介质的体积的高能量和突然膨胀。 可以避免这种缺点,因为在管道的下游端部分(12b)中顺序地在插塞(1')之间存在的每种情况下的压缩输送介质的量(2')与压缩的量(2)相比 存在于管的端部(12b)的上游(12a)的塞子(1)之间的输送介质(2)减少。 这通过将长插头(1)转换成缩小的长度(1')的插头而以减小的间隔相互依次来实现。
    • 8. 发明授权
    • Apparatus for pneumatically conveying bulk material
    • 用于气动输送散装材料的装置
    • US4909676A
    • 1990-03-20
    • US187423
    • 1988-04-28
    • Dieter HeepNorbert EberhardHans HoppeReinhard ErnstRobert Storf
    • Dieter HeepNorbert EberhardHans HoppeReinhard ErnstRobert Storf
    • B65G53/58B65G53/52B65G53/66
    • B65G53/521
    • An apparatus for pneumatically conveying bulk material includes a conveyor line for transporting the bulk material and a secondary line which carries clean gas and is sectionized by spaced three-way/two-way directional control valves. Each control valve is actuated by a pressure transmitter which compares the actual pressure in the conveyor line with the desired pressure in a third line carrying a fluid at a desired pressure decreasing in downstream direction in accordance with the pressure drop in the conveyor line during normal operation. A communication between the conveyor line and the second line is provided by respective branch lines which define the third connection of the control valves and are multiply connected to the conveyor line. Thus, upon encountering a pressure drop in an area of the conveyor line, the respective pressure transmitter actuates the pertaining control valve which shuts off downstream section of the second line and connects the second line with the conveyor line for introducing clean gas into the conveyor line at the desired area thereof.
    • 用于气体输送散装材料的装置包括用于输送散装材料的输送线和携带清洁气体的二次线,并由间隔开的三通/双向方向控制阀分段。 每个控制阀由压力变送器驱动,该压力变送器将输送线中的实际压力与在正常运行期间根据输送线中的压降在下游方向上沿着期望压力承载流体的第三线中的期望压力进行比较 。 输送线和第二线之间的连通由各自的分支线提供,这些分支线限定了控制阀的第三连接并且被多路连接到输送线。 因此,当在输送线的区域中遇到压降时,相应的压力传感器致动相关的控制阀,其关闭第二管线的下游部分,并将第二管线与输送线连接,以将清洁气体引入输送线 在其期望的区域。