Continuous anti-blocking separation device and method for medium and small-sized river dredging sludge and garbage

• Main Authors: XU YI, DENG BAIWANG, SHEN DA, ZHU BINBIN
• Format: Patent
• Language: Chinese; English
• Published: 28.02.2020
• Subjects: DREDGING; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL; PERFORMING OPERATIONS; SEPARATING SOLIDS FROM SOLIDS; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS; SOIL SHIFTING; SORTING; TRANSPORTING

The invention discloses a continuous anti-blocking separation device and method for medium and small-sized river dredging sludge and garbage. Mud enters a box body (1) from a mud inlet (3), the part of the mud flows out from a mud hole (42) of a conveying belt device (4), the main flow turns from the right side and flows out from a mud outlet(12) passing through a 90-degree arc sieve plate (9), avortex is formed below a rotary gate (6), a low flow velocity region is formed on the upper right side of the box body (1), namely, on the inner side of a garbage cleaning port (11), the flow rate ofthe mud inlet (3) is controlled to be 1.0 to 2.5 m/s, a vortex region is formed in the upper area of the 90-degree arc sieve plate (9), the flow rate of the vortex region is in the range of 0.1 to 0.6m/s, and a closed space is constructed on the right side of the box body (1) through the rotary gate (6), so that the uninterrupted desilting operation is realized. The garbage in the sludge is concentrated to one side by usin