A system and method for restoring river and lake water bodies by a floating water purification plant

A floating, water body technology, which is applied in the direction of sterilization/microdynamic water/sewage treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of ignoring microbial action and low efficiency of ecological floating bed treatment, and achieve reduction Planting density, effect of increasing pollution, effect of increasing growth rate

Active Publication Date: 2021-03-23
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this scheme does not consider its microbial action, and it is easy to cause low treatment efficiency of the ecological floating bed in the actual application process.

Method used

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  • A system and method for restoring river and lake water bodies by a floating water purification plant
  • A system and method for restoring river and lake water bodies by a floating water purification plant
  • A system and method for restoring river and lake water bodies by a floating water purification plant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A system for repairing river and lake water bodies by a floating water purification field, said system successively includes: grille, water pump, pre-magnetization device, water inlet pipe, SS sedimentation tank, magnetizer, drain pipe, water distribution pipe, floating purification field;

[0051] in:

[0052] The grid is used to filter large particles of garbage, plant residues, and large phytoplankton in the water body of rivers and lakes; the grid gap of the grid is 5mm-50mm, the installation angle is 60°-70°, and the maximum flow rate ≥160m 3 / h, the maximum liquid velocity ≥ 0.3m / s.

[0053] The water pump is used to make water pass through the grid, and extract the water passing through the grid to the ss sedimentation tank;

[0054] The pre-magnetization device is arranged in the water inlet pipe of the ss sedimentation tank, and is used to pre-magnetize the water entering the ss sedimentation tank; the pre-magnetization device is a multi-stage permanent magne...

Embodiment 2

[0067] The system and method for repairing river and lake water bodies using the floating water purification field described in Example 1, the floating purification field is formed by collocation of canna, reed, calamus and iris, and different magnetic field strengths are given at different growth stages. The induction effect of magnetized water on plant biohormones in different growth stages of plants.

[0068] Table 1 Seed germination period

[0069]

[0070] During seed germination, cytokinin (CK), gibberellin (GA), abscisic acid (ABA), and auxin (IAA) have a high positive correlation with seed germination and control seed germination. Therefore, during the seed germination period, by studying the effects of different magnetic field strengths on biological hormones such as cytokinin, the optimal magnetic field strength for seed germination was explored.

[0071] Through experiments, it is found that when the magnetic field strength ranges from 50 to 100mT, it can effect...

Embodiment 3

[0081] Using the system and method for repairing river and lake water bodies described in Example 1, by studying the influence of different magnetic field strengths on the microbial community structure, the recovery of functional flora induced by different magnetic field strengths was explored.

[0082] Table 4 Microbial detection indicators

[0083]

[0084] The experimental results show that the magnetized water magnetized by different magnetic field strengths has obvious induction effect on nitrifying bacteria and ammonifying bacteria, and the maximum abundance of nitrifying bacteria is between 500mT and 800mT; while the maximum abundance of ammonifying bacteria appears between 300mT and 500mT .

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PUM

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Abstract

The invention relates to the field of water environment treatment, and specifically discloses a system and method for restoring river and lake water bodies by a floating water purification plant. The method includes: (1) under the action of a water pump, the river and lake water body is filtered through a grid; (2) using the water pump, the filtered water body is extracted to the ss sedimentation tank through the water inlet pipe; The pre-magnetization device in the water body completes the pre-magnetization in the water inlet pipe; (3) the water body after pre-magnetization treatment enters the ss sedimentation tank to remove particulate matter in the water body; (4) the water body after the ss sedimentation tank enters the magnetizer Carry out magnetization treatment in the center, the magnetic field strength is 50mT~2000mT; (5) Distribute the water body after magnetization treatment on the upper part of the floating purification field. According to the different growth periods of aquatic plants, the present invention adjusts the magnetic field strength of the magnetizer to magnetize the water body, induces the growth of plants and beneficial indigenous microbial flora, and strengthens the purification ability and reliability of the ecological floating bed technology.

Description

technical field [0001] The invention relates to the field of water environment treatment, in particular to a system and method for restoring river and lake water bodies by a floating water purification plant. Background technique [0002] The traditional river and lake floating purification field mainly uses polymer materials as the carrier to plant aquatic plants. The polymer material is used as the carrier and matrix to absorb, absorb, and intercept nutrients such as nitrogen and phosphorus in the water body through the plant root system. And the pollutants are removed from the water body in the form of harvested plants, so as to achieve the purpose of purifying the water quality. [0003] The plants in the ecological floating bed can not only directly use the roots to absorb nutrients in the water body, but also transport oxygen to the roots, creating favorable conditions for the growth and reproduction of microorganisms in the roots and the degradation of pollutants, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/001C02F2001/007C02F1/48C02F3/32C02F1/56C02F1/5236C02F1/50C02F3/34C02F2101/30C02F2103/007Y02A20/402C02F1/481C02F3/327C02F2101/105C02F2101/16C02F2203/006C02F2203/008C02F2303/24Y02W10/10
Inventor 张列宇祝秋恒李国文李晓光李曹乐李伟黎佳茜车璐璐赵琛
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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