Deep foundation pit pressure-bearing drainage device

The utility model relates to a foundation pit drainage device, in particular to a deep foundation pit pressure-bearing drainage device. A deep foundation pit pressure-bearing drainage device comprises a steel drum arranged in a foundation pit and further comprises filter cloth, a water suction pump and a drainage pipe, the filter cloth is arranged between the outer wall of the steel drum and the inner wall of the foundation pit, the water suction pump is arranged in the steel drum, and the water suction pump drains water in the foundation pit through the drainage pipe. The filter cloth is arranged on the outer side of the steel drum, and under the condition that the water filtering holes of the steel drum and the filtering holes of the filter cloth are the same in size, the water yield of the filter cloth is large, and the filtering effect is better. 本实用新型涉及基坑排水装置，尤其涉及一种深基坑承压排水装置。一种深基坑承压排水装置，包括设置在基坑内的钢圆桶，还包括有滤布、抽水泵和排水管，钢圆桶外壁与基坑内壁之间设置有滤布，抽水泵设置在钢圆桶内，且，抽水泵通过排水管将基坑内的水排出。钢圆桶外侧设置有滤布，在钢圆桶的滤水孔与滤布的过滤孔同等大小的情况下，滤布的出水量多且