Ecological ditch system for farmland return water pollution prevention and control and construction method

An ecological ditch and construction method technology, applied in the field of farmland non-point source pollution control, can solve the problems of no universally applicable ecological ditch, etc., and achieve the effects of easy implementation and promotion, simple process and daily maintenance, and improved purification capacity

Active Publication Date: 2016-12-07
SHANDONG ANALYSIS & TEST CENT
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  • Abstract
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Problems solved by technology

The invention and construction of ecological ditches can well solve the contradiction between man and land, but due to the regional differences in agricultural non-point so

Method used

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  • Ecological ditch system for farmland return water pollution prevention and control and construction method
  • Ecological ditch system for farmland return water pollution prevention and control and construction method
  • Ecological ditch system for farmland return water pollution prevention and control and construction method

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] Such as figure 1 with figure 2 As shown, the schematic diagram and structure diagram of the ecological ditch system of the present invention are provided respectively, and it is made up of hair canal 1, branch canal 2, storehouse / pond 3 and main canal 4, and hair canal 1 is arranged in the farmland 5 at intervals, and with The branch canal 2 is connected, and is used to discharge the farmland retreat water entering the hair canal 1 into the branch canal 2. Local plants 16 such as tartary buckwheat, purslane and pennisetum are planted in the hair canal 1, and the branch canal 2 enters the hair canal 1 There are multi-level stone steps 8 paved with gravel at the entrance, such as image 3 As shown, a cross-sectional view of the branch canal where the hair canal enters the branch canal in the present invention is provided. The multi-level stone s...

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Abstract

The invention relates to an ecological ditch system for farmland return water pollution prevention and control. The ecological ditch system comprises farm ditches, branch ditches, a reservoir/pond and a main ditch, wherein the farm ditches, the branch ditches, the reservoir/pond and the main ditch sequentially communicate. The ecological ditch system is constructed through the following steps of (1) farm ditch construction, wherein (1-1) the farm ditches are finished, (1-2) plants are planted, and (1-3) multiple stone steps are arranged; (2) branch ditch construction, wherein (2-1) the branch ditches are finished, (2-2) branch ditch slopes are arranged, (2-3) soil intercepting dams are built, (2-4) plants are planted and artificial aquatic plants are arranged, and (2-5) gabions are arranged; (3) reservoir/pond construction; and (4) main ditch construction. According to a construction method, finishing and ecological reconstruction are carried out based on an original ditch, drainage of farmland overland runoff and farmland irrigation water is facilitated better, and the structure of agricultural production is not changed in the whole reconstruction process; and meanwhile the purification capacity of the ditch on pollutants in farmland drained water can be improved, no cultivated land resource is additionally occupied, the construction method and process and daily maintenance are simple, and implementation and popularization are easy.

Description

technical field [0001] The invention relates to the technical field of farmland non-point source pollution control, and more specifically relates to a method for constructing an ecological ditch system for preventing and controlling farmland drainage pollution, which is suitable for traditional agricultural irrigation areas with severe farmland drainage pollution, especially plain agricultural areas with vertical and horizontal ditches. Background technique [0002] At present, agricultural non-point source pollution, especially agricultural non-point source pollution caused by agricultural production and living activities, has become the most important source of water environment pollution. Agricultural non-point source pollution refers to the pollution of the water environment caused by nutrients such as nitrogen and phosphorus, pesticides, and other organic or inorganic pollutants through farmland surface runoff and farmland seepage during agricultural production activitie...

Claims

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Application Information

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IPC IPC(8): E02B11/00E02B13/00A01G1/00C02F3/32C02F3/34C02F101/16
CPCA01G2/00C02F3/32C02F3/34C02F2101/105C02F2101/16E02B11/00E02B13/00Y02W10/10
Inventor 陈庆锋赵长盛李荣斌
Owner SHANDONG ANALYSIS & TEST CENT
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