| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a device capable of extremely quickly and easily manufacturing a slurry-like back filler of high quality. SOLUTION: This device has an earth inputting bucket 6 having an openable lower end, a meter 7 capable of placing the earth inputting bucket 6 containing residual earth thereon, a box-shaped premixer 2 having an upper opening part, and a box-shaped main mixer 4 having an upper opening part. The upper opening part of the premixer 2 has an inner peripheral edge capable of placing the bottom part of the earth inputting bucket 6, the lower part of the premixer 2 has a discharge port, the discharge port has a discharge guide pipe 16 the tip of which reaches the upper opening part of the main mixer 4 and which has an opening and closing valve in the inner part. The lower part of the main mixer 4 has a discharge port, the discharge port has an opening and closing valve in the inner part, a discharge guide body rotatable in a proper direction, and the inner bottom surface of the premixer 2 and the main mixer 4 are inclined toward each discharge port position, respectively.</p> |
