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Filler reinforcement-based low-consumption and high-efficiency sewage treatment unit and system

A sewage treatment and enhanced treatment technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, granular microbial carrier treatment, etc., can solve the problem of large floor area, high investment and operating costs, and low treatment efficiency and other problems, to achieve the effect of flexible and diverse water outlet methods, good sewage treatment effect, and compact structure

Pending Publication Date: 2021-06-04
POWERCHINA HUADONG ENG COPORATION LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are also many problems in the existing technology, such as high investment and operating costs, complex technology and high management requirements, large footprint, low processing efficiency, etc.

Method used

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  • Filler reinforcement-based low-consumption and high-efficiency sewage treatment unit and system
  • Filler reinforcement-based low-consumption and high-efficiency sewage treatment unit and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: This embodiment is a low-consumption and high-efficiency sewage treatment system based on filler reinforcement, which is composed of several low-consumption and high-efficiency sewage treatment units based on filler reinforcement in series, parallel or series-parallel combination. The application scenario of the sewage treatment system is on the shore or on the water surface, and when it is applied on the water surface, it is divided into one of fixed or floating or a combination of both.

[0028] In this example, the low-consumption and high-efficiency sewage treatment unit based on filler reinforcement has a sewage treatment frame whose shape is a cube, cuboid or cylinder, and when it is a long (square) cube, the length, width and height specifications are (1~10): (1~5): 1, and the ratio of diameter to height is not less than 0.3 when it is a cylinder. The sewage treatment frame chooses modular structure or civil engineering (unit) layout according to ac...

Embodiment 2

[0041] Embodiment 2: This embodiment selects a section of relatively closed river channel based on the technology of embodiment 1 to carry out a comparison and demonstration of on-shore technology. The specific process is to set two groups of equipment with the same specifications as the control group and the experimental group (the processing scale is 5t / d), The only difference between the control group and the experimental group based on this embodiment is that the control group does not divide into various functional areas, and the filler filled is melon rice gravel (particle size: 25mm) which is common in traditional constructed wetlands. During the experiment, the polluted river water was pumped to the sewage treatment system for treatment and then discharged into the river to investigate the CODCr, TN and TP removal effects of the two test systems.

[0042] In this embodiment, the shape of the sewage treatment frame is a cuboid, and the specification is 3m*1m*1m. The fram...

Embodiment 3

[0051] Embodiment 3: The structure and parameters of Embodiment 3 are the same as those of Embodiment 2. The only difference is that an auxiliary and expansion module is set on the test group. The selected expansion module is an aeration system, and its external aeration pipe is fixedly installed on the Adjustable grit settling mechanism. Among them, the length of the aeration pipe is 2.5m, and 4 aeration pipes are evenly arranged, and the diameter of the aeration pipe is 25mm, and the holes are opened on both sides at an angle of 45°, and the aeration rate is 70L / min.

[0052] In this embodiment, the removal effect of the experimental group to pollutants is significantly better than that of the control group, wherein the removal rates of the experimental group to CODCr, TN and TP are 88.39%, 98.93% and 51.44% respectively; The removal rates were 28.44%, 64.27% and 20.41%, respectively; in addition, after 15 days of stable operation, the amount of microbial film formation in t...

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Abstract

The invention relates to a filler reinforcement-based low-consumption high-efficiency sewage treatment unit and system. The filler reinforcement-based low-consumption high-efficiency sewage treatment unit is provided with a sewage treatment frame body; the sewage treatment frame body is provided with a water inlet mechanism and a water outlet mechanism, sewage conveyed by the water inlet mechanism is contained in the sewage treatment frame body, and a plurality of reinforcement fillers are suspended in the sewage in the sewage treatment frame body; a reinforced treatment module is arranged in the sewage treatment frame and on the sewage surface and is filled with wetland filler; a plurality of openings are formed in the upper surface of the reinforced treatment module to form a plurality of planting grooves; the bottoms of the planting grooves are located on the lower surface of the reinforced treatment module, the bottoms of the planting grooves are perforated permeable cushion layers, and wetland plants are planted in the planting grooves; the reinforced treatment module is connected with the water outlet mechanism; and sewage is conveyed to the sewage treatment frame body through the water inlet mechanism, and the sewage in the sewage treatment frame body enters the reinforced treatment module from the perforated permeable cushion layers at the bottoms of the planting grooves after being treated, and is discharged from the water outlet mechanism after being treated in the reinforced treatment module.

Description

technical field [0001] The invention relates to a low-consumption and high-efficiency sewage treatment unit and system based on filler reinforcement. It is suitable for technologies in the fields of drinking water source protection, domestic sewage treatment, ecological restoration of rivers and lakes, and non-point source pollution control. Background technique [0002] At present, there are various sewage treatment technologies in my country, which have effectively enriched and improved the sewage treatment system, promoted technological progress in the field of sewage treatment, and played a positive role in reducing pollutant emissions. However, with the improvement of the level of economic development, the objects and requirements of sewage treatment are getting higher and higher, and the composition of sewage is becoming more and more complex and difficult. There are also many problems in the existing technology, such as high investment and operating costs, complex te...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCC02F3/32C02F2003/001C02F2003/003
Inventor 孔令为魏俊成水平李凌鞠峰王蕾王明铭吴娟向哓琴
Owner POWERCHINA HUADONG ENG COPORATION LTD
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