Pollution discharge drop shaft structure based on internal circulation airflow pipe and using method thereof

Abstract

The invention discloses a pollution discharge drop shaft structure based on an internal circulation airflow pipe. The pollution discharge drop shaft structure comprises a vertical shaft and the internal circulation airflow pipe arranged in the vertical shaft, the inner circulation airflow pipe divides the vertical shaft into a water passing part and a non-water-passing air pipe part, the water passing part is connected with a water inlet pipe, the top of the inner circulation airflow pipe is lower than the bottom of the water inlet pipe, the bottom of the inner circulation airflow pipe is higher than the top of an outflow pipe, the inner circulation airflow pipe is used for guiding air to form inner circulation airflow in the airflow pipe, and the inner circulation airflow pipe is vertically hung in the vertical shaft through a fixing device and makes contact with the inner wall face of the vertical shaft. The invention further discloses a using method of the pollution discharge drop shaft structure based on the internal circulation airflow pipe. According to the vertical shaft structure, the problems of odor dissipation and environmental pollution of a blowdown system are solved,meanwhile, the optimal gas reduction effect can be achieved according to different water flow settings, and the requirement for pipeline overhauling and entering is not affected.

Description

technical field [0001] The invention relates to the field of sewage discharge systems, in particular to a sewage discharge drop shaft structure based on an internal circulation airflow pipe and a method for using the same. Background technique [0002] In addition to the configuration of pumping stations in specific places to raise the water level, water transfer projects are usually between two places with a drop, using the self-weight of the water flow to meet the needs of water transfer. In this water transfer method, it is necessary to use The shaft structure is used to connect the higher upstream pipeline and the lower downstream pipeline in the water delivery system. Among them, the falling flow shaft is the most common shaft structure because of its simple structure and easy design and construction. [0003] However, in the sewage system, with the water flowing down, a large amount of air from the outside will be sucked to the bottom of the falling shaft, and these ga...

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Problems solved by technology

[0007] The object of the present invention is to address the deficiencies of the prior art, and provide a sewage downflow shaft structure based on an internal circulation airflow pipe. The shaft structure can be set according to different water flows while improving the problem of odor dissipation and environmental pollution in the sewage system. In order to achieve the best degassing effect, and take it out when the shaft pipeline structure needs to be repaired, it will not affect the requirements of pipeline maintenance and entry

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