| 摘要 |
PROBLEM TO BE SOLVED: To provide an asphalt ejection pipe for an asphalt plant, which eliminates the need for a heat-retaining heater, resulting in relative inexpensiveness and easy maintenance.SOLUTION: An approximately central portion in the longitudinal direction of an asphalt ejection pipe 5 is bent into a crest shape to form gradients which are gradually lower as extending from the pipe central portion as a top toward both ends. At both end bottoms of the ejection pipe 5 on the lower sides as the down-flow destinations of asphalt, discharge ports 9 are provided for discharging the asphalt from the pipe. The asphalt, remaining without being ejected from ejection nozzles 4 during ejecting the asphalt, flows down along the gradients of the ejection pipe 5 while being separated into both end sides of the pipe, and then it can be quickly discharged from the discharge ports 9 at the ends of the pipe. Thus, there is no need for a conventional heater installation for heat-retaining the remaining asphalt, resulting in a device advantageous in cost and maintenance. |
