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Constructed wetland blocking monitoring device, and preparation method and application thereof

A technology for artificial wetlands and monitoring devices, which is applied in the direction of measuring devices, sampling devices, biological treatment devices, etc., to achieve the effects of simple preparation methods, avoiding aggravated clogging tendency, and convenient use

Inactive Publication Date: 2016-02-24
INST OF AQUATIC LIFE ACAD SINICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The artificial wetland clogging monitoring device prepared by this method can be made by using ordinary PVC pipes, The inner and outer cylinders were designed during the preparation of the device. This design solves the disadvantage that the current wetland operation status can only be known through water quality. The inner cylinder can lift the wetland at any time, and the internal state of the wetland can be observed during operation, which is conducive to timely judging whether the wetland has a clogging tendency ; The gap between the inner and outer cylinders is designed during the preparation of the device, which can facilitate the insertion of electrodes, and can control the basic environmental parameters during wetland operation in real time; When preparing the device, the inner cylinder is designed with layers of different heights, and each layer can be disassembled freely. This design is convenient for understanding the internal state of the wetland at different depths, and it is convenient for the improvement of the operation information of the constructed wetland.

Method used

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  • Constructed wetland blocking monitoring device, and preparation method and application thereof
  • Constructed wetland blocking monitoring device, and preparation method and application thereof
  • Constructed wetland blocking monitoring device, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] according to figure 1 , figure 2 It can be seen that a constructed wetland blockage monitoring device includes an inner upper layer cylinder 1, an inner middle layer cylinder 2, an inner lower layer cylinder 3, a substrate 4, an outer cylinder 5, a stainless steel fixed threaded rod 6, a stainless steel sheet 7, a fixed nut 8, and a handle 9 , suspension ring fixing nut 10, inner cylinder 11, fixed permeable plate 12 are formed. The connection relationship is as follows: a fixed water-permeable plate 12 is respectively fixed on the bottom plates of the inner upper layer tube 1, the inner middle layer tube 2, and the inner lower layer tube 3, the inner middle layer tube 2 is aligned with the inner lower layer tube 3 and placed on it, and the inner upper layer tube 1 is aligned Align the inner and middle cylinder 2 and put it on it, the inner upper cylinder 1 , the inner middle cylinder 2 and the inner lower cylinder 3 form the inner cylinder 11 . Both sides of the inn...

Embodiment 2

[0049] A preparation method of a constructed wetland clogging monitoring device, the steps of which are:

[0050] A. Monitoring device preparation:

[0051] 1) Prepare the inner upper layer cylinder 1, the inner middle layer cylinder 2, and the inner lower layer cylinder 3 (the preparation method is the same), and they are made of PVC pipes. The wall is evenly punched with a small hole every 0.9 or 1 or 1.1cm, and the hole diameter can be adjusted according to needs.

[0052] 2) Prepare the outer cylinder 5, the outer cylinder 5 is 5cm higher than the inner cylinder, the outer diameter is 5cm larger than the inner cylinder, and a small hole is uniformly punched every 0.9 or 1 or 1.1cm on the wall of the cylinder.

[0053] B. Fill the matrix 4, select the matrix 4 consistent with the constructed wetland where the device is used, and fill the inner cylinder 11 with the matrix 4 in each layer.

[0054] C. Connecting device, a fixed water-permeable plate 12 is respectively fixed...

Embodiment 3

[0056] A kind of application of monitoring device in artificial wetland blockage, its steps are:

[0057] 1. The monitoring device is pre-embedded, and the outer cylinder is buried at the preset point, which can be buried at 30 or 35 or 40 or 45 cm on the surface of the wetland. Put the inner cylinder in the middle of the outer cylinder. After the device is buried, the wetland water level is required to be just below the inner upper layer of the device.

[0058] 2. Wetland monitoring, according to the needs, insert electrodes into the gap between the inner and outer cylinders to monitor the basic environmental parameters of wetland operation in real time, such as dissolved oxygen, redox potential, pH, etc.

[0059] 3. Collect blockages. According to requirements, after the device is buried in the wetland for one month, put out the inner cylinder, unscrew the upper fixing nut, remove the top stainless steel sheet, loosen the stainless steel fixing threaded rods on both sides, a...

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Abstract

The invention discloses a method and device for strengthening denitrification by coupling an upward vertical flow constructed wetland with a microbial electrolysis cell. The method comprises the steps: A, water is uniformly distributed at the bottom of a system, and wastewater rises in a flow pushing manner along a bottom non-conductive filler layer firstly; B, the wastewater flows into an anode conductive filler layer; C, followed by, the wastewater flows into a non-conductive filler isolation layer which is a separator between a cathode conductive filler layer and the anode conductive filler layer; D, the wastewater flows into the cathode conductive filler layer, and nitrate nitrogen is subjected to autotrophic denitrification to be removed; and E, the wastewater flows out through a water draining pipe in an upper non-conductive filler layer. The anode conductive filler layer is connected with the non-conductive filler isolation layer and the bottom non-conductive filler layer, the cathode conductive filler layer is connected with the upper non-conductive filler layer and the non-conductive filler isolation layer, a cathode collecting electrode and an anode collecting electrode are respectively placed in the cathode conductive filler layer and the anode conductive filler layer. The operations are simple, and the removal efficiency of the upward vertical flow constructed wetland on wastewater with low carbon and high nitrate nitrogen is greatly improved.

Description

technical field [0001] The present invention relates to the field of water environment treatment, and more specifically to a constructed wetland clogging monitoring device, a preparation method of the constructed wetland clogging monitoring device, and an application of the constructed wetland clogging monitoring device. It is suitable for the monitoring of basic environmental parameters during the operation of constructed wetlands, and can be used as a collection device for constructed wetland blockages, and as a container for applying synergists when adjusting wetland operating conditions, which is convenient for timely detection of constructed wetland blockages and to deal with constructed wetland blockages preventive measures can be implemented in a timely manner. Background technique [0002] Constructed wetland is an artificially designed sewage treatment process similar to natural wetland. It uses the triple synergy of biology, physics and chemistry in the wetland eco...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N1/02G01N33/18C02F3/32C02F3/34
CPCC02F3/327C02F3/34C02F2203/00G01N1/02G01N15/088G01N33/18Y02W10/10
Inventor 吴振斌徐栋杜明普武俊梅张义贺锋周巧红
Owner INST OF AQUATIC LIFE ACAD SINICA
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