Near-in-situ three-dimensional ecological restoration system and method for dredged sediment of polluted river channel
A technology for river dredging and ecological restoration, applied in the field of environmental governance, can solve the problems of restricting the effective disposal and utilization of dredged sediment, high ecological safety risks, and low quality of raw materials, so as to reduce transportation and transshipment costs, reduce restoration costs, and reduce land use. occupied effect
Active Publication Date: 2020-10-16
SHANDONG JIANZHU UNIV
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Problems solved by technology
However, these methods have problems such as high ecological security risks, high transportation costs, and low-quality raw materials, which limit the effective disposal and utilization of dredged sediment.
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[0026] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used in this disclosure have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
[0027] In the description of the present disclosure, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer" etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limiting the present disclosure.
[0028] Such a...
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The invention relates to a near-in-situ three-dimensional ecological restoration system and method for dredged sediment of a polluted river channel, and belongs to the technical field of environmentalmanagement. The near-in-situ three-dimensional ecological restoration system comprises a stepped slope restoration area and a river channel corridor wetland which are arranged on the two sides of theriver channel in the extending direction; each step of the stepped slope restoration area is provided with an open channel used for containing the sediment; an anti-seepage film is laid in each openchannel; restoration plants are arranged in each open channel; an overflow port is formed in the side wall of the open channel on each step; overflow orifices communicate with the open channels on thenext steps through overflow guide pipes; and the overflow port located in the open channel at the lowermost part communicates with the river channel corridor wetland. The near-in-situ three-dimensional ecological restoration system for the dredged sediment of the polluted river channel is reasonable in structure, easy and convenient to operate, low in operation cost and good in restoration effect, does not need to occupy a storage yard, and has a river water purification function and a landscape function.
Description
technical field [0001] The disclosure belongs to the technical field of environmental governance, and in particular relates to a near-in-situ three-dimensional ecological restoration system and method for dredging sediment in polluted river courses. Background technique [0002] The statements herein merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] After the pollutants enter the water body, some of them are purified by the water body, and some of them are adsorbed on the particles of the water body, and are enriched in the bottom mud through precipitation, so that the bottom mud is polluted. The polluted bottom mud will cause the degradation of the aquatic ecosystem, and the pollutants in the bottom mud can enter the human body through the food chain, posing a threat to human health. In addition, the pollutants in the sediment may return to the overlying water and become a secondary pollution sourc...
Claims
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IPC IPC(8): E02B3/02E02B5/00E02B5/08E02B3/16A01G22/00A01G17/00
CPCE02B3/02E02B3/023E02B5/00E02B5/08E02B3/16A01G22/00A01G17/005Y02A20/402
Inventor 徐景涛邵富林刘同硕王园园赵聪聪
Owner SHANDONG JIANZHU UNIV