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Floating frame for fixing myriophyllum elatinoides and method for treating eutrophic water body

A green foxtail algae and eutrophication technology, applied in the field of water pollution control, can solve problems such as the stability of the unmovable position of the device

Pending Publication Date: 2022-01-25
INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the device for immobilizing the green foxtail algae cannot move and has poor positional stability

Method used

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  • Floating frame for fixing myriophyllum elatinoides and method for treating eutrophic water body
  • Floating frame for fixing myriophyllum elatinoides and method for treating eutrophic water body
  • Floating frame for fixing myriophyllum elatinoides and method for treating eutrophic water body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] A kind of device (referring to figure 1 , figure 2 and Table 1), including the outer floating support body 4, the inner floating support body 2, the support column 1 and the fixed frame 3, the diameter of the double-pipe circular floating frame is 10m, and it is formed by connecting the PPR pipe and the direct spare parts of the tee through thermal fusion, The inner floating support body 2 and the outer floating support body 4 are connected through the connecting piece 5; the fixed frame 3 and the support column 1 form the part above the water surface of the floating frame, and the fixed frame 3 is connected with the inner floating support body 2 through the support column 1, and the support column 1 The height is 30cm; the floating frame is wrapped with a nylon fishing net with a mesh of 3cm.

[0049] Table 1 Specifications and materials of the floating frame of the double-tube circular wetland ditch with a diameter of 10 meters

[0050]

Embodiment 2

[0052] Treatment of eutrophic water body in Gejiashan Slot Lake, Kaihui Township, Changsha County:

[0053] Flowchart see image 3 .

[0054] A kind of method adopting the double-tube circular floating frame of embodiment 1 to fix green foxtail algae to control eutrophic water body, its steps are:

[0055] 1. First remove the solid waste in Slot Lake:

[0056] 2. Install and fix the double-tube circular floating frame: the double-tube circular floating frame is made of PPR material. The diameter of the floating frame is designed to be 5m and 10m, and it is wrapped with a nylon fishing net with a mesh of 2-3cm, without a cover, forming a height of 30cm. s frame. Eight wooden stakes are installed around the lake, wedged into the ground at a depth of 0.6 meters, and used to fix the floating frame in the water body. Each floating frame is fixed with wooden stakes on the shore by three plastic ropes.

[0057] 3. Planting viridiflorium: the double-tube circular floating frame c...

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Abstract

The invention provides a floating frame for fixing myriophyllum elatinoides and a method for treating eutrophic water, and belongs to the technical field of water pollution treatment. A floating base comprises an outer floating support body and an inner floating support body; wherein the outer floating support body and the inner floating support body are connected through a connecting piece; the inner floating supporting body is connected with a fixing frame through a supporting stand column; an intercepting net is arranged along the periphery of the fixed frame and the inner floating support body. The floating frame is easy to manufacture, easy to popularize, low in cost, convenient to move, high in stability and capable of being repeatedly used. The invention further provides a method for treating the eutrophic water body based on the floating frame for fixing myriophyllum elatinoides. The method is simple and easy to implement, nitrogen and phosphorus in the eutrophic water body are effectively removed, and meanwhile the environment of the eutrophic water body and the stability of a water body ecological system can be improved.

Description

technical field [0001] The invention relates to the technical field of water pollution control, in particular to a floating frame for fixing green foxtail algae and a method for treating eutrophic water body. Background technique [0002] Eutrophication refers to that under the influence of nature and human activities, the concentration of nitrogen, phosphorus and other nutrient elements in surface water bodies such as lakes and rivers increases sharply, causing algae and other plankton to grow and reproduce in large numbers, and the DO concentration in water bodies The water quality deteriorates seriously, aquatic plants and animals die in large numbers, and the balance of the aquatic ecosystem is destroyed. The increase of nutrients such as nitrogen and phosphorus is the root cause of eutrophication in water bodies. Excessive nitrogen concentration in water bodies will cause phytoplankton and algae to multiply, cover the water body, reduce the transparency of the water bod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCC02F3/322C02F2203/008C02F2203/006
Inventor 刘新亮刘锋张树楠李红芳王毅肖润林吴金水
Owner INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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