CN104713751A - Aerosol absorption liquid gathering method and apparatus based on principle of elimination of electrostatic potential - Google Patents
Aerosol absorption liquid gathering method and apparatus based on principle of elimination of electrostatic potential Download PDFInfo
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- CN104713751A CN104713751A CN201410621002.2A CN201410621002A CN104713751A CN 104713751 A CN104713751 A CN 104713751A CN 201410621002 A CN201410621002 A CN 201410621002A CN 104713751 A CN104713751 A CN 104713751A
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- aerosol
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Abstract
The invention relates to a high-efficiency acquisition method and a sampling apparatus for aerosol based on the principle of elimination of electrostatic potential. High-efficiency gathering of aerosol is realized by placing a conductive metal electrode in an absorption liquid to allow the electric potential of the absorption liquid to constantly be 0. The method effectively the phenomenon of mutual repulsion of positively charged aerosol in the process of gathering and improves gathering efficiency of the aerosol. A gathering apparatus provided by the invention comprises two parts, i.e., an air inlet tube core and an absorption tube. The air inlet tube core is an independent part of the apparatus, comprises an air inlet, a sharp mouth and a central connecting tube, is connected with the absorption tube through the central connecting tube and is hermetically used. The absorption tube is an independent part of the whole apparatus and comprises an absorption chamber, a defoaming chamber, an air outlet, an electrode and a wire, wherein the electrode is connected with the exterior of the absorption tube at the sealed sharp mouth via the wire. The method has the advantages of high aerosol gathering efficiency, strong anti-interference capability, obvious gathering effect on aerosol on a sea surface and capacity of utilizing the 0 electric potential environment of sea and ground; and the gathering apparatus can be connected with a common sampling air pump, and since the electrode is connected with the absorption tube through the wire, a good resisting effect is exerted on disturbance of the absorption liquid caused by a steam drum.
Description
Technical field
The present invention relates to a kind of aerocolloidal highly efficient collecting method and sampling apparatus, belong to ocean surface sampling of aerosol equipment technical field.
Background technology
Ocean surface gasoloid contains sea surface microlayer drop composition, also containing pollutant in sea surface microlayer.Gather and analysis is carried out to aerosol on ocean, to research ocean---atmosphere pollution propagated flux plays an important role.The mode of conventional aerosol sampling has two kinds, i.e. filter membrane collection and absorbing liquid capture method.In classic method trapping aerosol processes, gasoloid, because surface is with positive charge, can produces mutual repulsive force, and then reduce aerocolloidal arresting efficiency in the process that density increases.In long-time sampling process, absorbing liquid also can reduce the arresting efficiency of absorbing liquid because positive charge increases.
Summary of the invention
For improving aerosol collection efficiency, the invention provides a kind of gasoloid absorbing liquid capture method and application apparatus based on eliminating electrostatic potential principle.
Technical solution of the present invention is as follows:
Based on the gasoloid absorbing liquid capture method eliminating electrostatic potential principle, place easy conductive metal electrode in absorbing liquid, be connected outside to electrode and absorption tube 0 potential region with wire, making the electrostatic potential of absorbing liquid constant is all the time 0.In sampling process, gasoloid enters absorption tube with air, forms broken bubble and contact with absorbing liquid after impinging upon bottom absorption tube, electrostatic potential be 0 absorbing liquid repulsive interaction is not produced to gasoloid, add aerocolloidal trapping effect.
Gasoloid absorbing liquid capturing device based on eliminating electromotive force principle of the present invention comprises air inlet tube core and absorption tube two parts.Air inlet tube core is device individual components, comprises air intake opening and sharp mouth and central connecting pipe, and is connected with absorption tube by central connecting pipe, seals use; Absorption tube is the individual components of whole device, comprises absorption chamber, defoaming compartment, gas outlet and electrode and wire, and wherein electrode is connected to absorption tube from the sharp mouth of sealing by wire connection.
During sampling work, absorbing liquid is put into absorption tube, absorbing liquid liquid level is higher than electrode height, air inlet tube core is placed in absorption tube, air inlet tube core is connected with absorption tube closely, the gas outlet of absorption tube is connected to common sampling air pump air admission hole, directly can carries out aerosol collection.
The invention has the advantages that the method trapping gasoloid efficiency is high, antijamming capability strong, to sea aerosol collection successful, ocean and 0 potential environment greatly can be utilized; Capturing device in invention can be connected with common sampling air pump, electrode is connected with absorption tube by wire, and the absorbing liquid disturbance that opposing drum causes is effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the aerosol collection device of invention;
Fig. 2 is absorption tube structural representation in the aerosol collection device of invention;
Fig. 3 is draft tube cored structure schematic diagram in the aerosol collection device of invention.
In fig. 1-3,1, air intake opening; 2, electrode cable; 3, sharp mouth is sealed; 4, defoaming compartment; 5, absorption chamber; 6, metal electrode; 7, Jian Zui; 8, gas outlet.
Air-flow runs path in the aerosol collection device of invention: first entered by air intake opening, be then ejected to the absorption chamber filling absorbing liquid from Jian Zuichu, then enter defoaming compartment, flow out finally by gas outlet.Gasoloid entrained by gas is trapped by the absorbing liquid in absorption chamber.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is described in detail, but is not limited thereto.
embodiment 1
A kind of Small Solid particulate aerosol harvester.Absorption chamber volume 15ml, defoaming compartment volume 20ml, distilled water absorbing liquid 10ml, air intake opening internal diameter 5mm, point mouth internal diameter 1mm, gas outlet internal diameter 5mm, platinum electrode, copper wires, 0.5L is per minute for sampling flow velocity, and sampling apparatus is vertically placed, and device is greater than 99% to aerosol sampling efficiency.
embodiment 2
A kind of small-sized perfluorochemical gasoloid harvester.Absorption chamber volume 60ml, defoaming compartment volume 40ml, 10% formaldehyde absorbent 50ml, air intake opening internal diameter 8mm, point mouth internal diameter 1mm, sharp mouth array is formed, gas outlet internal diameter 8mm, copper electrodes by multiple sharp mouth, copper wires, 1L is per minute for sampling flow velocity, and sampling apparatus is vertically placed, and device is greater than 90% to perfluorochemical sampling of aerosol efficiency.
Claims (2)
1. the gasoloid absorbing liquid capture method based on elimination electrostatic potential principle, it is characterized in that utilizing metal electrode to be connected with 0 potential object in environment, absorbing liquid electromotive force is remained 0 in sampling process, reduce positive charge between gasoloid and mutually repel impact, and the electromotive force that reduction absorbing liquid adds up is to the adverse effect of aerosol collection, and then improve the gasoloid absorbing liquid capture method of sampling of aerosol efficiency.
2. a kind of gasoloid absorbing liquid capturing device of method according to claim 1, it is characterized in that capturing device comprises air inlet tube core and absorption tube two parts, air inlet tube core is device individual components, comprise air intake opening and sharp mouth and central connecting pipe, and be connected with absorption tube by central connecting pipe, sealing uses; Absorption tube is the individual components of whole device, comprises absorption chamber, defoaming compartment, gas outlet and electrode and wire, and wherein electrode is connected to absorption tube from the sharp mouth of sealing by wire connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621002.2A CN104713751A (en) | 2014-11-07 | 2014-11-07 | Aerosol absorption liquid gathering method and apparatus based on principle of elimination of electrostatic potential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621002.2A CN104713751A (en) | 2014-11-07 | 2014-11-07 | Aerosol absorption liquid gathering method and apparatus based on principle of elimination of electrostatic potential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104713751A true CN104713751A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410621002.2A Pending CN104713751A (en) | 2014-11-07 | 2014-11-07 | Aerosol absorption liquid gathering method and apparatus based on principle of elimination of electrostatic potential |
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| CN (1) | CN104713751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108970809A (en) * | 2018-08-01 | 2018-12-11 | 浙江大学 | Electrostatic device and method for biomass collection castoff heat cracking liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508363U (en) * | 2009-08-10 | 2010-06-16 | 国家海洋局第一海洋研究所 | A device for eliminating fine bubble from water in a total phosphorus analyzing flowing system |
| US20110315011A1 (en) * | 2009-02-18 | 2011-12-29 | Battelle Memorial Institute | Small area electrostatic aerosol collector |
| CN203259381U (en) * | 2013-06-06 | 2013-10-30 | 江苏省环境监测中心 | Efficient ordinary type bubble absorbing tube |
| CN203337431U (en) * | 2013-07-29 | 2013-12-11 | 江苏省环境监测中心 | Common bubble absorbing pipe capable of improving bubble absorbing efficiency |
-
2014
- 2014-11-07 CN CN201410621002.2A patent/CN104713751A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110315011A1 (en) * | 2009-02-18 | 2011-12-29 | Battelle Memorial Institute | Small area electrostatic aerosol collector |
| CN201508363U (en) * | 2009-08-10 | 2010-06-16 | 国家海洋局第一海洋研究所 | A device for eliminating fine bubble from water in a total phosphorus analyzing flowing system |
| CN203259381U (en) * | 2013-06-06 | 2013-10-30 | 江苏省环境监测中心 | Efficient ordinary type bubble absorbing tube |
| CN203337431U (en) * | 2013-07-29 | 2013-12-11 | 江苏省环境监测中心 | Common bubble absorbing pipe capable of improving bubble absorbing efficiency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108970809A (en) * | 2018-08-01 | 2018-12-11 | 浙江大学 | Electrostatic device and method for biomass collection castoff heat cracking liquid |
| CN108970809B (en) * | 2018-08-01 | 2020-05-08 | 浙江大学 | Electrostatic trapping device and method for collecting thermal cracking liquid of biomass waste |
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Application publication date: 20150617 |
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| WD01 | Invention patent application deemed withdrawn after publication |