Heterotopic nitrogen and phosphorus removal river restoration device and method

Abstract

The invention discloses a heterotopic nitrogen and phosphorus removal river restoration device and method. The device comprises a high-load biological nitrogen removal assembly, a coagulant reaction assembly, a magnet loading augmented reaction assembly, a sedimentation tank and a magnetic powder separating assembly which are arranged in sequence, wherein the high-load biological nitrogen removal assembly comprises a denitrification anaerobic pond and a denitrification aerobic pond which are arranged in sequence; the coagulant reaction assembly comprises a coagulant reaction pond and a dosing assembly; the magnet loading augmented reaction assembly comprises a magnet loading augment reaction pond and a magnetic powder adding assembly; a water inlet of the magnet loading augment reaction pond is connected with a water blowing hole of the coagulant reaction pond; a water outlet of the magnet loading augment reaction pond is connected with a water inlet of the sedimentation tank. By adopting the device and the method, the defects formed naturally on a river are overcome; the restoration device is placed at a proper device on a shore side; the river restoration method is suited to local conditions; the device and the method have the advantages of efficient treatment of river water, reduction in floor space, saving in investment, easiness in running and operation, efficient treatment and low treatment cost.

Description

technical field [0001] The invention relates to the technical field of river course restoration, in particular to a device and method for ectopic denitrification and phosphorus removal of river course restoration. Background technique [0002] In December 2016, the General Office of the Zhejiang Provincial Government issued the "Zhejiang Provincial Action Plan for Suppressing Category V Water". The Zhejiang model of building a beautiful China has implemented the "Five Waters Governance" in depth, focusing on improving the quality of the water environment and using the river chief system as the starting point to comprehensively promote the "Six Major Projects" and continuously improve the quality of the water environment. By the end of 2017, the province will eliminate water quality sections inferior to Grade V, and complete the task of eliminating water quality sections inferior to Grade V in the "Water Pollution Prevention and Control Target Responsibility Letter of Zhejian...

AI Technical Summary

Problems solved by technology

[0007] The river channel is naturally formed, and there may be problems where aquatic plants cannot cover the center of the channel because the channel is too wide, the aeration and reoxygenation method cannot be laid normally, and the biological method cannot improve the water quality of the entire river channel, or because the channel is too shallow, submerged plants, aeration methods, The biofilm method is not suitable for use, etc., and in view of various situations that are not suitable for in-situ restoration, the ex-situ repairing river channel technology is proposed

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