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Ecological ditch for pollution control and salt resistance in northwest districts

An ecological ditch and ecological technology, applied in the field of ecological ditches, can solve the problems of inability to achieve centralized treatment of water bodies, poor purification of pollutants and salts, pollution of downstream water sources, etc. The trouble of centralized processing and the effect of reducing pollution

Inactive Publication Date: 2014-04-09
NANJING INST OF GEOGRAPHY & LIMNOLOGY
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Problems solved by technology

[0005] The purpose of the present invention is to provide an ecological ditch for pollution control and salt resistance in Northwest China. By combining reeds and cattails as biological purification media with agricultural drainage ditches, it is possible to solve the problem of centralized treatment of water bodies, resulting in pollutants and salinity in water bodies. Not well purified, thus polluting the downstream water source

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  • Ecological ditch for pollution control and salt resistance in northwest districts
  • Ecological ditch for pollution control and salt resistance in northwest districts
  • Ecological ditch for pollution control and salt resistance in northwest districts

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Embodiment 1

[0020] figure 1 It is a cross-sectional view of the ecological ditch of the present invention. As shown in the figure, a kind of ecological ditch for pollution control and salt resistance in the northwest region includes three parts: the shore zone 1, the ecological slope 2 and the ecological base 3. The coast zone 1 is used as the two banks of the ditch. The soil layer at the bottom and the sandstone layer on the surface are mainly used to prevent the soil layer from being scoured by water bodies. The design height of shore zone 1 is generally not more than 0.5m, and the width is preferably 1.5-2.0m. Ecological slope 2 is used as the two sidewalls of the ditch, bank zone 1 is connected with ecological slope 2, and ecological slope 2 is arranged obliquely. In the present embodiment, the inclination angle of ecological slope 2 is 45°, and planting There is reed 4, and reed 4 has the function of purifying water body. The length of the ecological slope 2 is generally 2.5-2.8m, ...

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Abstract

The invention relates to an ecological ditch for pollution control and salt resistance in northwest districts. The ecological ditch comprises bank zones, ecological side slopes and an ecological foundation base, wherein the bank zones are used as two banks of the ditch and consist of soil layers at the bottom and gravel layers at the surface, the ecological side slopes are used as two side walls of the ditch, the bank zones are connected with the ecological side slopes, the ecological side slopes are in inclined arrangement, in addition, reeds are planted on the ecological side slopes, the ecological foundation base is used as the bottom surface of the ditch, two sides of the ecological foundation base are respectively connected with the ecological side slopes, and cattails are planted on the ecological foundation base. The invention also provides a method for pollution control and salt resistance of water bodies by utilizing the ecological ditch. The reeds and the cattails are used as biological purification media to be combined with agriculture discharge ditches for use, so when polluted water bodies flow through the ditch, the pollution control and salt resistance purification effects can be obtained, pollutants are prevented from entering downflow water sources, and the pollution on the downflow water sources is reduced.

Description

technical field [0001] The invention belongs to the technical field of water pollution control, and relates to an ecological ditch for pollution control and salt resistance in Northwest China, in particular to an ecological ditch using reeds and cattails as biological purification media. Background technique [0002] In Xinjiang and other arid areas in Northwest China, due to the extremely low annual precipitation, agricultural production requires centralized irrigation. Farmland pollutants, especially soil salt in saline-alkali land, enter the ditches along with agricultural drainage. In Xinjiang and other areas, most of the agricultural drainage ditches are simple soil structures. Pollutants and salt in agricultural drainage are not well purified, and eventually flow directly into downstream lakes and rivers, causing pollution of lakes and rivers, accelerating the increase in water salinity, and forming water eutrophication. Agricultural non-point source pollution has a wi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 陈源高赛·巴雅尔图高光汤祥明
Owner NANJING INST OF GEOGRAPHY & LIMNOLOGY
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