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Biological purification dam

A biological purification and dam technology, applied in the direction of biological water/sewage treatment, sustainable biological treatment, chemical instruments and methods, etc., can solve the problem of high investment and operation management costs, difficult to solve the problem of land occupation, secondary pollution of chemical sludge Pollution and other problems, to achieve the effect of enhancing self-purification ability, increasing the effect of atmospheric oxygen enrichment, and preventing eutrophication

Pending Publication Date: 2017-02-22
鑫源鑫(北京)环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages of decentralized processing stations are large investment and operation management costs, and the problem of land occupation is not easy to solve
The magnetic separation technology can only remove part of the insoluble pollutants, the removal rate of ammonia nitrogen and total phosphorus is extremely low, and the effluent water quality is still inferior to Class V water quality, which is far from meeting the water quality requirements of the assessment, and it is easy to produce a large amount of chemical sludge that is harmful to the environment cause secondary pollution

Method used

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Examples

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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, a biological purification dam according to an embodiment of the present invention includes a dam body arranged laterally in rivers and lakes, and a gabion filter layer composed of stacked gabion units is provided on the upstream side and the backwater side of the dam body The gabion units are filled with bio-aggregate, and the gabion units are bound and fixed by steel wires. The filter material filling layer 2 composed of bio-aggregate is filled, and the height of the filter material filling layer 2 is lower than that of the gabion filter layer.

Embodiment 2

[0039] Such as figure 2 As shown, embodiment 2 is improved on the basis of embodiment 1. The dam body is located at the junction with both sides of the bank and is provided with a connecting layer 3 connecting the gabion filter layer on the upstream side and the backwater side. The connecting layer 3 is composed of stacked gabion units, and a waterproof geotextile 4 is provided between the connecting layer 3 and the river bank 7, which is used to reinforce the gabion filter layer on the surface water side and the back water side, and increase the resistance of the gabion filter layer inside and outside. Heavy impact, that is, resistance to the impact of external water and the extrusion of the internal filter material filling layer 2, and at the same time increase the contact area between the gabion filling layer and the river bank 7, so that the connection between the gabion filling layer and the river bank 7 is more stable. Layer 3 consists of stacks of gabion units, so conn...

Embodiment 3

[0041] Such as image 3 As shown, embodiment 3 is improved on the basis of embodiment 1 or embodiment 2. The bottom of the dam body is provided with a foundation layer 5 laid flat on the foundation. The foundation layer 5 is assembled by gabion units. The units are fastened with steel wires to strengthen the gabion filter layer on the surface water side and the back water side, and increase the stability of the bottom of the gabion filter layer. biological decontamination.

[0042] Such as Figure 4 As shown, the cross-sectional shape of the gabion filter layer is any one of rectangle, trapezoid or triangle, which is preferably trapezoid or triangle, so that the surface water side and the back water side of the gabion filter layer are inclined surfaces, which can be removed. The frontal impact of the river water enables the dam body to discharge flood directly, which is conducive to saving investment.

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Abstract

The invention relates to a biological purification dam. The biological purification dam comprises a dam body which is transversely arranged in a river lake, wherein gabion filtering layers formed by stacking gabion units are respectively arranged on a river side and a land side of the dam body; the inner part of each gabion unit is filled with biological aggregate; a filtering material filling layer formed by filling the biological aggregate is arranged at the inner side of each gabion filtering layer; the biological aggregate comprises construction waste aggregate and a biological film which is attached to the outer side of the construction waste aggregate and is formed by a microbial agent. According to the biological purification dam disclosed by the invention, microorganisms are produced into the biological film which is attached to the surface of a carrier; the carrier carrying the microorganisms is arranged in a direction of being vertical to a river; a retaining dam is formed in a river channel; when river water flows through a retaining dam layer, the microorganisms in the biological film start to act for performing purifying and pollution cleaning on the river water, so that ammonia nitrogen and organic pollutants in a water body are effectively removed, and the self-cleaning capacity of the river is enhanced; an environment of naturally purifying can be provided for the water body of the river channel, a necessary habitat environment also can be provided for aquatic animals, the eutrophication of the water body is prevented, and a landscape effect of the river channel is improved.

Description

technical field [0001] The invention relates to a hoisting connecting piece, in particular to a biological purification dam with simple structure and low manufacturing cost. Background technique [0002] With the rapid development of the country's economy, sewage collection and treatment facilities are seriously lagging behind, causing a large amount of sewage to flow directly into the river. At present, most rivers have become black and odorous water bodies, and the water quality standards cannot meet the requirements of cross-section assessment. Therefore, measures need to be taken for treatment. [0003] The commonly used river water purification treatment measures mainly include pipeline sewage interception, decentralized construction of small sewage treatment stations, and temporary pollution control measures of magnetic separation. However, in the above three existing sewage treatment methods, there are still relatively large investment in the pipeline network for inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C02F3/32C02F3/10C02F3/00
CPCC02F3/00C02F3/10C02F3/32C02F3/34C02F3/342C02F3/347Y02W10/10
Inventor 班慧敏
Owner 鑫源鑫(北京)环保工程有限公司
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