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Integrated powder-loading enhanced biochemical water treatment device

A water treatment device and attached technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, aerobic and anaerobic process treatment, etc. Low efficiency and other problems, to achieve good sewage treatment effect, high volume load, and good settlement performance

Active Publication Date: 2020-11-03
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But they all have their own shortcomings. Chemical treatment cannot effectively denitrify sewage, while traditional biological treatment devices have low treatment efficiency, low integration, and large footprint.

Method used

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  • Integrated powder-loading enhanced biochemical water treatment device
  • Integrated powder-loading enhanced biochemical water treatment device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as Figure 1-2 As shown, it is a longitudinal sectional view of an integrated powder-loaded enhanced biochemical water treatment device provided in this embodiment. The device is cylindrical and includes a central cylindrical central aerobic zone 3 and anoxic / Precipitation zone 31, anoxic / precipitation zone 31 includes anoxic zone 1 with water inlet 11, precipitation zone 2 located on the upper part of anoxic zone 1, and the device also includes a bottom flow connecting anoxic zone 1 and aerobic zone 3 Hole 14, returning the nitrifying liquid in the aerobic zone 3 to the return system 13 in the anoxic zone 1; the aerobic zone 3 and the anoxic / precipitation zone 31 are inclined 55° to the outside of the central axis of the device through the upper partition 34 of the partition The sliding mud plate 19, the partition partition plate 18 inclined 60° to the inside of the central axis of the device is separated from the partition lower partition tube 35, and the slidin...

Embodiment 2

[0046] The difference between this embodiment and embodiment 1 is that the volume ratio of the anoxic zone 1 to the aerobic zone 3 is 1:3.5, and the surface load of the precipitation zone 2 is 1.3m 3 / m 2 h, the volume load of the device is 1.2kg BOD when denitrification / nitrification biological denitrification 5 / m 3 d. The inclination angle of the sliding mud plate 19 to the outside of the central axis of the device is 65°, and the inclination angle of the partition partition 18 to the inboard of the central axis of the device is 65°.

[0047] The plug flow velocity of the plug flow mixer 12 is 0.32m / s, and the velocity of the mixed sewage in the device passing through the bottom flow hole 14 is 0.6m / s.

Embodiment 3

[0049] The difference between this embodiment and embodiment 1 and embodiment 2 is that the volume ratio of the anoxic zone 1 to the aerobic zone 3 is 1:5, and the surface load of the precipitation zone 2 is 2.6m 3 / m 2 h, the volume load of the device is 2.4kgBOD when denitrification / nitrification biological denitrification 5 / m 3 d. The inclination angle of the sliding mud plate 19 to the outside of the central axis of the device is 60°, and the inclination angle of the partition partition 18 to the inside of the central axis of the device is 55°.

[0050] The plug flow velocity of the plug flow mixer 12 is 0.4m / s, and the velocity of the mixed sewage in the device passing through the bottom flow hole 14 is 0.8m / s.

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Abstract

The invention provides an integrated powder-loading enhanced biochemical water treatment device, which is cylindrical and comprises a central cylindrical aerobic zone and an anoxic / settling zone surrounding the aerobic zone, wherein the anoxic / settling zone comprises an anoxic zone and a settling zone located at the upper part of the anoxic zone; Sludge in the settling zone is circulated to the lower part of the aerobic zone through a channel formed by the sludge sliding plate and the partition plate, then the sludge at the lower part of the aerobic zone is circulated to the anoxic zone through the reflux system, so that the sludge is subjected to nitrification and denitrification synchronous reaction in the aerobic zone. According to the integrated powder loading enhanced biochemical water treatment device, the powder carrier is combined with the biological filler, and the biological membrane method and the activated sludge method are fused, so that the defects of low sludge concentration, poor biochemical effect, large occupied area and multiple monomer structures in the traditional biochemical technology are overcome. In addition, all the reaction units are tightly combined in space and the tank bodies are integrated, so that water head loss is small, and the device has the advantages of being high in sludge concentration, good in treatment effect and small in size.

Description

technical field [0001] The invention belongs to the technical field of sewage biochemical treatment, and in particular relates to an integrated powder loaded enhanced biochemical water treatment device. Background technique [0002] Traditional sewage biochemical treatment has low sludge concentration and limited volume load, resulting in limited sewage treatment capacity, resulting in low efficiency of sewage treatment devices (equipment), unable to cope with large load impacts, and occupying a large area, unable to meet the requirements of pollutants. The need for efficient biochemical treatment. At present, due to the issuance of the "Water Ten Measures", my country is strengthening the prevention and control of water pollution, and the control of point source pollution is still the main problem that needs to be faced at present. At present, there are many technologies and devices for point source pollution treatment, and various technical methods are adopted. But they ...

Claims

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Application Information

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IPC IPC(8): C02F3/30
CPCC02F3/302C02F2301/046
Inventor 柴晓利戴晓虎陆斌武博然周政
Owner TONGJI UNIV