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Integrated biofilm reaction system

A reaction system and biofilm technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of large water consumption and high energy consumption, and achieve energy saving, Small footprint, reduced land occupation and construction costs

Pending Publication Date: 2017-04-19
INNER MONGOLIA TIANYI ENVIRONMENTAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both of the above two processes must stop the membrane filtration process during the cleaning process, and require high pressure and water two to three times higher than the permeate rate for flushing, high energy consumption and large water consumption

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0051] The sheet metal electrode assembly 10 includes two electrode plates insulated from each other. The electrode plates are sheet metal parts directly cut or stamped on thin metal plates, including a plurality of electrodes arranged in a flat shape and one or more lines connecting all electrodes at the same time. The two electrode plates are stacked alternately, so that the electrode of one electrode plate is placed in the space between two adjacent electrodes of the other electrode plate, and the two electrode plates are connected to different AC power sources through the power adapter 16 provided on the flat frame 12. The output terminal forms an electrode group, which generates a non-uniform electric field around it. The two electrode plates can be both insulated, or one can be insulated and the other can be a bare electrode; when one electrode plate is a bare electrode, the electrode plate should be made of corrosion-resistant materials, or undergo corrosion-resistant tr...

Embodiment 2

[0056] Such as Figure 8 As shown, the difference from Embodiment 1 is that the two electrode plates are grid-shaped electrode plates 22, which are composed of a plurality of electrodes 23 arranged in parallel and two edge lines 24 connecting the two ends of the electrodes. Two grid-shaped electrode plates are stacked at intervals to form an electrode group. Two grid-shaped electrode plates 22 are spaced and stacked with insulating sheets between the side lines 24 . When two grid-shaped electrode plates 22 are overlapped to form a sheet metal DEP electrode structure, the insulating sheet is arranged between the side lines 24 of the two grid-shaped electrode plates 22 to prevent the side lines 24 of the grid-shaped electrode plates 22 from touching , because the two ends of the electrode 23 are connected together by the side line 24, the position of the electrode is relatively fixed during installation, and no later adjustment is required.

Embodiment 3

[0058] Such as Figure 9 As shown, the difference from Embodiment 2 is that the two electrode plates are three-dimensional grid-shaped electrode plates 25, and the three-dimensional grid-shaped electrode plates 25 are composed of a plurality of electrodes 26 arranged in parallel and two side lines 27 connecting the two ends of the electrodes. After the two ends of the electrode 26 are bent toward the same side, they are connected to two side lines respectively. The preferred way is: after the two ends of the electrode 26 are bent in a direction perpendicular to the electrode, then bent 90° in a direction parallel to the electrode 26 to form a ladder shape, so that the middle part of the electrode 26 protrudes relative to the two ends. Such as Figure 10 , Figure 11 As shown, the edge portions of the two three-dimensional grid-shaped electrode plates 25 are stacked at intervals, and the electrodes 26 of the two three-dimensional grid-shaped electrode plates 25 are stacked al...

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Abstract

The present invention relates to an integrated biofilm reaction system, which comprises a housing, an anaerobic working zone, an aerobic working zone and a sludge separation zone, wherein the anaerobic working zone, the aerobic working zone and the sludge separation zone are encapsulated in the housing and are sequentially connected, overflow devices are respectively arranged between the anaerobic working zone and the aerobic working zone and between the aerobic working zone and the sludge separation zone, a plurality of flat plate membrane elements are arranged inside the sludge separation zone, a reflux pipe is arranged between the bottom portion of the sludge separation zone and the anaerobic working zone, the flat plate membrane element comprises a metal plate electrode assembly, permeation membranes and a flat plate frame, the front surface and the rear surface of the flat plate frame are provided with the permeation membranes, the metal plate electrode assembly is arranged between the permeation membranes and comprises two electrode plates respectively connected to different output terminals of an alternating current power supply and are insulated from each other, the electrode plate is an integrally-molded metal plate member, and a water production outlet for communicating a water production cavity between the two permeation membranes is arranged on the flat plate frame. According to the present invention, the integrated biofilm reaction system can achieve the effective treatment of active sludge, and has advantages of integrated structure, small occupation area, and good environmental adaptability.

Description

technical field [0001] The invention relates to the technical field of sewage biological treatment, in particular to an integrated biofilm reaction system. Background technique [0002] Wastewater aerobic biological treatment technology can be divided into two categories: biofilm method and activated sludge method. Although the activated sludge method is relatively mature, there are still many shortcomings and deficiencies, such as large area, high infrastructure costs, etc., and poor adaptability to changes in water quality and water quantity. The biofilm method can make up for many shortcomings of the activated sludge method: good operating stability, no sludge bulking, high removal rate of pollutants, small reactor volume and floor space, etc. However, the traditional biofilm method also has its defects. For example, the biofilter is easily blocked, and it needs to be shut down periodically for backwashing, which makes the reaction unable to continue. [0003] The metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F9/14
Inventor 王冰王力伟郑贵堃
Owner INNER MONGOLIA TIANYI ENVIRONMENTAL TECH
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