Method and device for detecting fine dust electrical agglomeration

A technology of testing device and measurement method, applied in the direction of measurement device, external electrostatic separator, particle and sedimentation analysis, etc., can solve the problem of lack of mature technical means, achieve easy popularization and application, simple operation steps, strong intuitive and The effect of practicality

Inactive Publication Date: 2015-05-06
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, there is still no mature technical means and corresponding devices for how to measure the coagulation effect of different electric field en

Method used

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  • Method and device for detecting fine dust electrical agglomeration

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Embodiment Construction

[0027] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0028] Such as figure 1 As shown, a test device for the electrocoagulation effect of fine dust of the present invention includes a dust generating device 1, a power electrode 2, a settling chamber 4, a filter membrane 6 and an extraction fan 7 arranged in sequence, and is matched with the device. Equipped with balance, particle size analyzer, biological microscope and computer.

[0029] The dust generating device 1 can emit fine dust of a certain density.

[0030] The power supply electrode 2 is connected to a high-voltage power supply 3; the electric field strength and alternating frequency of the power supply electrode 2 can be adjusted within a certain ra...

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Abstract

The invention discloses a method and device for detecting fine dust electrical agglomeration. Through gravity settlement characteristics of aerosol particles, mass distribution and a particle size distribution rule of dust subjected to electrical agglomeration in a settling chamber of the device under the action of gravity and gas flows are tested. Several slide glasses arranged on a settlement plate is used as sampling units, when charged and agglomerate dust of dust-containing gas flows going through a charged electrode is blown into the settlement chamber, under the action of gravity, the dust is settled on the slide glasses arranged along a gas flow direction so that a sampling process is finished. The slide glasses are taken and weighed so that dust mass distribution of all settling sections is obtained. Through granularity analysis based on a biological microscope, particle size distribution of the settling sections is obtained. Based on charged performances of dust, through a contrast test after change of electric field intensity and frequency alternation, mass distribution and particle size distribution are tested and effects of electric field intensity and alternate frequency on dust electrical agglomeration are determined.

Description

technical field [0001] The invention relates to the technical field of measurement and research of the electrocoagulation effect of fine dust, in particular to a test method and device for the electrocoagulation effect of fine dust. Background technique [0002] A large amount of dust, especially fine dust, will be produced in the process of industrial production. If there is no effective means to collect and treat it, it will cause serious air pollution and bring harm to the health of employees and other contacts. [0003] Existing dedusting methods have very limited capture efficiency for fine dust. Before the dust enters the dust collector, condensing the dust particles can effectively improve the dust removal efficiency of the dust collector, especially the collection efficiency of fine dust. [0004] There are many ways of coagulation of fine particles, such as thermal coagulation, acoustic coagulation, electrocoagulation and so on. Considering the energy consumption ...

Claims

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Application Information

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IPC IPC(8): G01N15/02B03C3/02
Inventor 王凯全马若白
Owner CHANGZHOU UNIV
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