| 摘要 |
<p>Disclosed is a gold panning roughing device, comprising an outer cylinder (1) and a hollow inner cylinder (2), wherein the lower part of the outer cylinder is provided with a water inlet pipe (5), and the bottom thereof is provided with a support (7); an opening (3) is provided on the inner cylinder, and the height of the opening accounts for 3/4-4/5 of the total height of the inner cylinder; the included angle between the water inlet pipe and the tangent of the cross section of the outer cylinder is 0-30°, and the water inlet pipe is located above the bottom of the outer cylinder; the water inlet pipe is installed in the manner of upward sloping relative to the outer cylinder, and the end portion of the water inlet pipe is provided with a thin pipe (4) which protrudes out of the inner wall of the outer cylinder; and the bottom of the outer cylinder is provided with a drain pipe (6) which is in communication with the inner cylinder. The device is used for roughing gold dust, thereby solving the problems that a traditional gold panning tool has large consumables and a fine gold panning device has a complex structure and low gold panning efficiency.</p> |
