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Testing method and device for floc sludge mesodyn

A technology of floc sludge and testing device, which is applied in the direction of testing moving fluid/granular solid, etc., and can solve problems such as poor correlation

Inactive Publication Date: 2013-05-01
TIANJIN ACADEMY OF ENVIRONMENTAL SCI
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Problems solved by technology

However, the span between the two scales from the macro to the micro is about four to five orders of magnitude, and the large space between the two leads to poor correlation between the two research methods and their evaluation results. Build links between microscopic characterization parameters and macroscopic indicators to improve estimation and mechanism understanding of floc sludge behavior and property changes

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  • Testing method and device for floc sludge mesodyn
  • Testing method and device for floc sludge mesodyn
  • Testing method and device for floc sludge mesodyn

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Embodiment Construction

[0087] The following combined with the attached drawings and the specific embodiments to explain the present invention in detail.

[0088] figure 1 The system structure diagram of the flocculent dynamic dynamics measurement device of the flocculent dynamic dynamic measurement of the present invention; figure 2 The system connection diagram of the flocculent dynamic dynamic measurement device of the flocculent dynamic dynamics of the present invention; image 3 It is the structural frame diagram of the flocculent muddy muddy muddy muddy dynamic dynamic measurement device. like Figure 1 to Figure 3 As shown, the testing device of floc sludge mesodynamics of the present invention is made up of hardware system and software system, and hardware system comprises optical path system, image acquisition system, signal synchronous control system and floc sludge test platform, and software system comprises An image processing module and a data analysis module, the data analysis modu...

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Abstract

The invention discloses a testing method and device for floc sludge mesodyn, and mainly studies dynamic behaviors (10nm-100nm) of the floc sludge between the flow characteristic on the macroscale and microorganism aggregate structure change on the microscale. The study objects of the floc sludge mesodyn include sludge mesoscopic agglomerates, as well as deformation rules and aggregation and fracture behaviors of mesoscopic substructures and dynamic structures in different flow media and under different hydraulic conditions. The testing method and device for the floc sludge mesodyn are novel testing means for studying and representing characteristics of the floc sludge. Through utilization of the method and the device, the study on hydrodynamics and a morphology evolvement mechanism of the floc sludge on the mesoscale can be achieved; correlation of evaluation results for the floc sludge on different scales can be improved; estimation and mechanism knowledge about behaviors and character changes of the floc sludge can be deepened; and the operation effect of water treatment reactors can be optimized.

Description

technical field [0001] The invention belongs to the technical field of water treatment and environmental protection, and in particular relates to a test device and a test method for floc sludge mesodynamics. Background technique [0002] In the process of water treatment, the dynamic behavior of floc sludge directly affects the effect of subsequent treatment process units. In the past, the research on floc sludge was mainly divided into two categories. One was the study of its hydrodynamic behavior and parameter determination on a macro scale, including: flow velocity, suspension concentration, sludge volume index, The sedimentation ratio of sludge, etc.; the second is to study the change behavior of its morphology and structure at the microscopic scale by means of scanning electron microscopy and high-resolution microscopy. The measured parameters mainly include: fractal number, microscopic morphology, microstructure, etc. However, the span between the two scales from the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/85
Inventor 许丹宇郑先强杨昂游洋洋余海晨段云霞李丽春马超华
Owner TIANJIN ACADEMY OF ENVIRONMENTAL SCI
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