A straight-fall drainage drop well

Abstract

The invention relates to a direct drop type draining drop well which mainly comprises a drop well body. The draining drop well is characterized in that the drop well body comprises a well chamber arranged on the upper portion of the drop well body and a pool arranged on the lower portion of the drop well body, the well chamber is directly vertically communicated with the pool, and the well chamber is provided with a water inlet pipe, a water outlet pipe and a ventilation well lid. The direct drop type draining drop well has the advantages that the draining drop well conforms to the development trend of land saving of draining projects and is efficient in function, clear in process and simple in structure, the well chamber is directly hydraulically communicated with the pool, the buffer effect of water stored in the pool is fully utilized, the energy dissipation problem of the drop well is solved, and the drop well can be conveniently applied to building areas with land shortage and high pipe network density.

Description

technical field [0001] The invention belongs to the technical field of drainage pipe networks involved in municipal engineering and environmental protection engineering, and in particular relates to a straight-down drainage drop well for municipal drainage pipe networks. Background technique [0002] Municipal drainage pipes mainly include sewage pipes, rainwater pipes and combined rainwater and sewage pipes. All three pipelines involve the arrangement of inspection wells. According to "Code for Design of Outdoor Drainage (GB 50014-2006 <2014 Edition>)" (referred to as Code for Design of Outdoor Drainage, the same below), "The location of inspection wells should be located at pipeline intersections, bends, pipe diameters or slope changes. , water drops and at certain distances on straight pipe sections.” [0003] Drop wells are an important form of inspection wells. For the water drop, when the depth of the water drop is h≥5m, the water flow will generate a great im...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a straight-fall drainage drop well, which solves the energy dissipation problem of the large drop that is not involved in the traditional drop well, and at the same time provides a calculation method and an application case of a straight-fall drop well with a land-saving effect. Provide reference for the design of drop wells in built-up areas with tight land use and dense pipe network

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