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Stable surface flow wetland for preventing silting and sewage treatment method

A surface flow and stable technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of high effluent chemical oxygen demand (COD) and suspended solids (SS), and unstable effluent quality. , large floor space and other problems, to achieve the effect of improving treatment efficiency and effluent quality, less sludge production, and low construction costs

Inactive Publication Date: 2012-06-06
SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is just to provide a kind of stable surface flow wetland and sewage treatment method that prevents silting, it solves the low organic load that exists in the stable pond, occupies a large area, the COD of effluent chemical oxygen demand and suspended solid SS are high and Traditional subsurface flow constructed wetlands are prone to blockage, short operating cycle, and unstable effluent quality; to achieve the purpose of stable operation of the constructed wetland system, small blockage, and good effluent quality

Method used

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  • Stable surface flow wetland for preventing silting and sewage treatment method
  • Stable surface flow wetland for preventing silting and sewage treatment method
  • Stable surface flow wetland for preventing silting and sewage treatment method

Examples

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Effect test

Embodiment 1

[0037] see Figure 1 to Figure 4 , a stable surface flow wetland SSFW to prevent silting, including a wetland bed, a water distribution device, and a stable surface flow pool. On the wetland bed, the water distribution device is a water inlet pipe 6 and a water outlet pipe 8, and several water outlet holes 15 are uniformly distributed on the water outlet pipe 8; the water inlet pipe 6 and the water outlet pipe 8 are respectively arranged in the stable surface flow pool Both ends; and a baffle 5 is also arranged in the stable surface flow pool, and several baffles A4 are arranged in the baffle type stable surface flow pool, and the baffle A4 divides the baffle type stable surface flow pool into multi-stage baffle areas , each level of baffle area constitutes a functional area, laying different substrates 9 and planting different plants 10 in each functional area according to actual processing requirements; the substrate 9 is gravel, ceramsite, coarse cinder, and the plants are ...

Embodiment 2

[0046] see Figure 5 to Figure 8 , a stable surface flow wetland SSFW to prevent silting, including a wetland bed, a water distribution device, and a stable surface flow pool. On the wetland bed, the water distribution device is a water inlet pipe 6 and a water outlet pipe 8, and several water outlet holes 15 are uniformly distributed on the water outlet pipe 8; the water inlet pipe 6 and the water outlet pipe 8 are respectively arranged in the stable surface flow pool Both sides; and a baffle plate 5 is also arranged in the stable flow pool, and several baffles B13 are arranged in the drop-type stable flow pool, and the baffles B13 divide the baffle type stable flow pool into multiple functional areas, The baffle plate 5 is vertically installed on the opening end of the baffle B13; the vertical side of the baffle B13 is a telescopic structure, and the height of the vertical side of the baffle B13 is adjusted to form a space between the functional areas. Gradient liquid level...

Embodiment 3

[0048] see picture Figure 9 to Figure 11 , a stable surface flow wetland SSFW to prevent silting, including a wetland bed, a water distribution device, and a stable surface flow pool. On the wetland bed, the water distribution device is a water inlet pipe 6 and a water outlet pipe 8, and several water outlet holes 15 are uniformly distributed on the water outlet pipe 8; the water inlet pipe 6 and the water outlet pipe 8 are respectively arranged in the stable surface flow pool At both ends, a baffle plate 5 is also arranged on the stable meter flow pool. The diversion type stable meter flow pool adopts a diversion wall 14 to divide the diversion type stable meter flow pool into several functional areas. The baffle plate 5 is vertically installed on the diversion wall 14; each functional area is laid with different substrates 9 and planted with different plants 10; Grass, Mosaic Reed Bamboo, Cress, Trichosanthes, Polygonum Polygonum, Canna, etc. Such a diversion-type stable ...

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Abstract

The invention discloses a stable surface flow wetland for preventing silting and a sewage treatment method. The stable surface flow wet land comprises a wetland bed body, a water distribution device and stable surface flow pools, wherein the stable surface flow pools are of a soil-rock structure and are established on the wetland bed body, and more than one stable surface flow pool is connected through waterways in sequence; the stable surface flow pools are also provided with damping plates and comprise a baffle type stable surface flow pool, a drop type stable surface flow pool and a guide type stable surface flow pool, a plurality of baffle plates A are arranged in the baffle type stable surface flow pool, a plurality of baffle plates B are arranged in the drop type stable surface flowpool, the guide type stable surface flow pool is divided into a plurality of functional zones by using guide walls, and a matrix is laid and plants are cultivated in each functional zone. Pretreated sewage enters the stable surface flow wetland through a water distributor, one part of suspended particles in the sewage is settled, one part of suspended matter is intercepted by the matrix and the plant root system, the suspended matter, organic matter, nitrogen and phosphorus in the sewage are removed, and the sewage flows out through a water outlet pipe.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to an artificial wetland and a sewage treatment method. Background technique [0002] With the rapid development of China's economy, the discharge of domestic sewage is increasing, and the water pollution is becoming more and more serious. Untreated or improperly treated domestic sewage has become one of the main reasons for the deterioration of the water quality of rivers and lakes. and affect the sustainable development of our country. Domestic sewage comes from cities and rural areas. At present, the sewage treatment rate in cities in my country has reached 52%, and it will reach 80% during the "Eleventh Five-Year Plan" period. However, domestic sewage treatment in vast rural areas is still almost blank, so sewage treatment in rural areas needs to be considered. [0003] For a long time, the vast rural areas have been unable to build centralized sewage trea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32C02F3/34
CPCY02W10/10
Inventor 王成端
Owner SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING