Filterable automatic start-stop centralized drainage device for stagnant water of foundation pit

• Main Authors: QI WUQIANG, QI HAIJIAN, LI FENG, QI JINBING, CHEN GAN
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2021
• Subjects: BLASTING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HEATING; HYDRAULIC ENGINEERING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SEPARATION; SOIL SHIFTING; TRANSPORTING; UNDERGROUND OR UNDERWATER STRUCTURES; WEAPONS

The utility model relates to a filterable automatic start-stop collecting and discharging device for stagnant water in a foundation pit, and belongs to the technical field of foundation pit dewatering. The filterable automatic start-stop collecting and discharging device comprises a base, an inner filter pipe fixedly arranged on the base and an outer filter pipe fixedly arranged on the base, and filter holes are formed in the pipe walls of the inner filter pipe and the outer filter pipe correspondingly; a space formed between the inner filter pipe and the outer filter pipe is used for placing a filter material, a cover body covers the tops of the inner filter pipe and the outer filter pipe, and a submersible pump and a floating ball liquid level switch are fixedly arranged on the cover body. The submersible pump has the effect of automatically starting and stopping the submersible pump, manual inspection of water level changes in a drainage area is avoided, the labor cost in the construction process is reduce