| 摘要 |
<p>Apparatus for feeding granular or particulate material to a conveying pipe includes a closable container (3) for holding the material, means (19) for delivering material from the container into the pipe (29), means (31, 33, 35) for supplying fluid to move material along the pipe and fluid interconnecting means (27) between the pipe and the container to maintain substantially the same fluid pressure within the container and the pipe. A system for feeding material to, for instance, a blast furnace or boiler may include a plurality of such items of apparatus and means for adjusting the flow rate of material from each item of apparatus into the blast furnace or boiler without affecting the flow from the other items for apparatus.</p> |
