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A self-controlled classification filtration water suspended solids collection device

A technology of hierarchical filtration and collection devices, applied in the direction of sampling devices, etc., can solve the problems of affecting the sampling effect, clogging of the filter screen, and the inability to adjust the sampling time, etc., and achieve real-time sampling depth measurement, simple and convenient disassembly, and optimize the effect of filter membrane clogging

Active Publication Date: 2017-08-22
DALIAN UNIV OF TECH
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Problems solved by technology

Although the sampling device in this application can carry out quantitative sampling of natural water bodies at different depths, it cannot know the turbidity of suspended solids at the sampling point in time, so the sampling time cannot be adjusted according to the concentration of suspended solids
Moreover, the pore size of the filter element decreases gradually from top to bottom, which will cause the filtered suspended particles to be adsorbed on the filter screen by gravity, resulting in clogging of the filter screen, which will affect the sampling effect of subsequent operations.
[0008] Obviously, the existing collectors represented by the above two suspended solids sampling devices are difficult to truly meet the requirements of automatic sampling of suspended solids in natural water bodies

Method used

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  • A self-controlled classification filtration water suspended solids collection device
  • A self-controlled classification filtration water suspended solids collection device
  • A self-controlled classification filtration water suspended solids collection device

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Embodiment Construction

[0038] The following is a detailed description of the specific implementation of the present invention in combination with technical solutions and accompanying drawings.

[0039] The specific steps for the collection of suspended solids by the self-controlled graded filtration water suspended solids collection device are as follows:

[0040] Step 1: Before sampling, select three layers of filter screens 3-1-2 with different pore sizes according to the particle size range of the collected suspended matter, and fix them in the suspended matter filter layer 3-1 respectively. The pore size of the filter screen 3-1-2 can be determined according to the proportional relationship, or determined according to the particle size distribution of the target suspended matter, so that the suspended matter can be distributed in the three-layer collection box 3-2 as much as possible. Connect the monitoring and control mechanism 4 of the self-controlled classification filtering water suspended s...

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Abstract

The invention discloses a device for collecting suspended matter in a self-controlled graded filtration water body, which belongs to the technical fields of environmental monitoring, environmental treatment and computer control, and relates to the collection of suspended matter samples in water bodies such as reservoirs. It is mainly composed of suspended solids collector, upper computer, single-chip control unit, 24V DC pump, electromagnetic flowmeter, pressure sensor, turbidity sensor, sealed box, 5V DC power supply, and 24V DC power supply. The scaled cable is wound on the spool and connected to the suspended matter collector through the suspension ring. The upper computer is connected to the single-chip control unit through the cable, and the 24V DC power supply is connected to the 24V DC water pump, pressure sensor and turbidity sensor through the cable. , Electromagnetic flowmeter connected. The automatic control operation of the suspended solids collector simplifies the sampling process, and the rotary inflow and hierarchical storage technology optimizes the problem of filter clogging, realizes fidelity and classified collection of suspended solids in water, and improves sampling efficiency and accuracy.

Description

technical field [0001] The invention belongs to the technical fields of environmental monitoring, environmental governance and computer control, and in particular relates to a self-controlling type filtering water body suspended matter collecting device. Background technique [0002] Suspended solids in water refer to the inherent substances suspended in water, mainly composed of inorganic substances, sediment, clay, protozoa, algae, bacteria, viruses, and high-molecular organic substances. Suspended solids can make water turbid, reduce the transparency of natural water, and then affect the respiration and metabolism of aquatic organisms, and even cause serious water pollution such as river blockage. As the source of domestic water for residents, water reservoirs play an extremely important role in human production and life. During the long-term operation of the water source reservoir, the suspended solids of larger particles will gradually settle, while the small and mediu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/14
Inventor 韩敏徐旭东姜欣汪天祥刘瑀
Owner DALIAN UNIV OF TECH
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