CN200949051Y - Sub-micron grade solid sodium chloride aerosol generating device - Google Patents
Sub-micron grade solid sodium chloride aerosol generating device Download PDFInfo
- Publication number
- CN200949051Y CN200949051Y CN 200620133854 CN200620133854U CN200949051Y CN 200949051 Y CN200949051 Y CN 200949051Y CN 200620133854 CN200620133854 CN 200620133854 CN 200620133854 U CN200620133854 U CN 200620133854U CN 200949051 Y CN200949051 Y CN 200949051Y
- Authority
- CN
- China
- Prior art keywords
- sodium chloride
- aerosol
- solid sodium
- striker
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 36
- 239000000443 aerosol Substances 0.000 title claims abstract description 36
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 18
- 239000007787 solid Substances 0.000 title claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000024287 Areas Species 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Landscapes
- Nozzles (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to an aerosol generating device of submicron solid sodium chloride, refers to a submicron aerosol generating equipment. The device comprises an atomizer, a striker and a mixing dryer. The generating method is to make the sodium chloride water solution with a certain concentration atomize by an atomizer, after the atomization the water solution passing the striker to get rid of large droplets, the water solution enters into the mixing dryer to make the water content of droplets vaporize, that is to form submicron poly-disperse solid sodium chloride aerosols. By adjusting bore diameter of the counter-bore exit, distance from the jet tube exit to the striker, nozzle aperture and spray pressure, the utility model can produce sodium chloride aerosols with 0.075micrometre (with a tolerance of 0.01 micrometre) count median diameter, less than 1.85 geometry standard deviation , less than 20 mg/m<3> mass concentration and less tan 40% relative humidity. The aerosols can satisfy requirements of different detection equipment and experimental study. The invention has the advantages of simple structure, convenient operation, and low investment and maintenance costs.
Description
Technical field
The utility model relates to a kind of clean compressed air that utilizes with the generating unit of certain density solution atomization for the polydisperse aerosol of definite size distribution, relates in particular to a kind of generating unit with sodium chloride solution atomizing becoming submicron order aerosol.
Background technology
Aerosol is a liquid or solid with diameter is the dispersion system that the particles dispersed of 0.002～100 μ m forms in gaseous media.It is an important aerosol technology that aerosol stable and that meet certain grain size distribution takes place, and it is mainly used in the calibration measurements instrument, carries out aerosol experimental study and research and Application Areass such as development﹠ testing purifying air and sample devices.The general particle diameter of pressing is divided, and aerosol mainly contains micron order and submicron two classes: the micron order aerosol is often referred to most of aerocolloidal particle diameters greater than 1 μ m, and the submicron order aerosol refers to that then most of aerocolloidal particle diameters are less than 1 μ m.
Raising along with progress of science and technology and people's living standard, purification efficiency performance requriements for various types of filtration material and filter plant has all had significantly lifting, is also proposing strict more requirement aspect aerocolloidal size distribution of test and the concentration in the corresponding with it domestic and international examination criteria.Polystyrene sphere and two kinds of methods of evaporative condenser dioctyl sebacate of spraying standard are mainly used in the laboratory at present.Because well behaved polystyrene sphere costs an arm and a leg, apparatus for evaporation condensation structure and complicated operation, cost an arm and a leg, be difficult to reach the demand of science application and production testing, grasp various detection method and proofing units with modern technique in order to study, exploitation submicron order aerosol producer becomes one of the important content in aerosol and clean technology field.
The utility model content
The purpose of this utility model provides a kind of submicron order solid sodium chloride aerosol generating unit, makes its structure and simple to operate, and is easy to maintenance, and can produce the particles dispersed degree better, size distribution and the adjustable submicron order aerosol of concentration.
The technical solution of the utility model is:
A kind of submicron order solid sodium chloride aerosol generating unit, it is characterized in that: this device comprises with the solution sucking-off and with the atomizer of its atomizing, striker and mixing drier, described atomizer contain compressed air inlet pipe road, nozzle, nozzle urceolus and sleeve; Described striker is by the bump chamber, and the jet pipe and the crash panel of band tapered hole are formed, and crash panel and jet pipe are separately positioned on the both sides of described bump chamber; Described mixing drier comprises air inlet section, combination drying section and outlet section; Described atomizer urceolus is connected by pipeline with an end of the jet pipe of band tapered hole, the top of described bump chamber is connected with the air inlet section of mixing drier with the aerosol inlet mouth by pipeline, is respectively equipped with the inlet mouth of clean dry air on described air inlet section and mixing section.
In order to make mixing more even, another technical characterictic of the utility model is to be provided with a taper air diffuser in the combination drying section of mixing tank.
Technical characterictic of the present utility model also is: the jet pipe of described band tapered hole is made of interior pipe two portions of outer tube and band taper hole, and interior pipe and outer tube are by being threaded, and described outer tube is fixed on and clashes on the chamber; Described crash panel is connected with the bump chamber by screw thread.
Another technology is characterized in that: the inlet mouth arranged tangential of described clean dry air; The injection diameter of described nozzle is 0.1mm～2mm; The outlet aperture of taper hole is Φ 0.5mm～Φ 5mm.
The utility model compared with prior art, have the following advantages and the high-lighting effect: aperture and the tapered tube of the utility model by regulating the outlet of striker tapered tube is exported to distance between the crash panel, the aperture of mister head, the parameters such as spray pressure of clean compressed air, can produce the counting median diameter is 0.075 ± 0.01 μ m, geometric standard deviation is less than 1.85, and mass concentration is less than 20mg/m
3, relative humidity is less than 40% sodium chloride aerosol (being better than the generation aerosol parameter that domestic and international relevant criterion requires), can satisfy fully that various device detects and the needs of experimental study.The utility model is simple in structure, and is easy to operate, safeguards that simply, investment and maintenance cost are low.
Description of drawings
Fig. 1 is the structural representation of the embodiment of submicron order solid sodium chloride aerosol generating unit provided by the utility model.
Fig. 2 is the sectional view of mixing drier air inlet section.
Among the figure: the 1-nozzle; The 2-atomizer; The 3-sleeve; The 4-intake ducting; 5-pressurized air; The jet pipe of 6-band tapered hole; The interior pipe of 7-band taper hole; The 8-outer tube; The 9-striker; 10-clashes into chamber; The 11-crash panel; 12-air inlet section; The 13-air diffuser; The 14-mixing drier; 15-combination drying section; The 16-outlet section; 17-uncontaminated air inlet mouth; 18-aerosol inlet mouth.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model, structure, working process and embodiment are further described.
Fig. 1 is the structural representation of the embodiment of submicron order solid sodium chloride aerosol generating unit provided by the utility model.This device comprises with the solution sucking-off and with the atomizer 2 of its atomizing, striker 9 and mixing drier 14 3 parts; Described atomizer 2 contains compressed air inlet pipe road 4, nozzle 1 and sleeve 3, and the injection diameter of described nozzle is generally 0.1mm～2mm; Described striker 9 is by bump chamber 10, and the jet pipe 6 of band tapered hole and crash panel 11 are formed, and crash panel 11 and jet pipe 6 are separately positioned on the both sides of described bump chamber 10; The jet pipe 6 of band tapered hole is made of interior pipe 7 two portions of outer tube 8 and band taper hole, and the outlet aperture of taper hole is Φ 0.5mm～Φ 5mm.In pipe and outer tube by being threaded, outer tube is fixed on and clashes on the chamber; Crash panel is connected with the bump chamber by screw thread.The interior pipe of band taper hole can left and right adjusting by screw thread, crash panel also can left and right adjusting by screw thread, described mixing drier comprises air inlet section 12, combination drying section 15 and outlet section 16, is respectively equipped with the inlet mouth 17 of uncontaminated air on described air inlet section and mixing section; In order to make mixing more even, the utility model also is provided with a taper air diffuser 13 in the combination drying section of mixing tank.Sleeve 3 is connected by pipeline with an end of the jet pipe 6 of band taper hole, and the top of described bump chamber 10 is connected with the air inlet section 12 of mixing drier with aerosol inlet mouth 18 by pipeline.
The utility model working process is as follows: making pressure is the shower nozzle of the clean compressed air of 0.1MPa～0.4MPa by atomizer, with aqueous solution sucking-off in the spray tank and atomizing; The concentration of described sodium chloride aqueous solution is 0.001%～3%; After atomizing, the jet pipe high-speed jet of gas through being with taper hole that has sodium-chlor water smoke is to the crash panel of striker; In knockout process, by the jet pipe of adjustment band taper hole and the distance between the crash panel, (nozzle exit and the distance between the crash panel of band taper hole are regulated in 1mm～50mm scope); Dense fog in the gas is dropped under the inertia effect to settle down, little droplet then enters in the mixing drier with gas, the gas that contains little droplet mixes with the uncontaminated air of heat treated in mixing drier with after filtration, make the moisture evaporation of droplet, the final submicron order polydispersion solid sodium chloride aerosol that forms with definite size distribution.
Claims (5)
1. submicron order solid sodium chloride aerosol generating unit, it is characterized in that: this device comprises with the solution sucking-off and with the atomizer (2) of its atomizing, striker (9) and mixing drier (14), described atomizer contain compressed air inlet pipe road (4), nozzle (1) and sleeve (3); Described striker is by bump chamber (10), and the jet pipe (6) and the crash panel (11) of band tapered hole are formed, and the jet pipe of crash panel and band tapered hole is separately positioned on the both sides of described bump chamber; Described mixing drier comprises air inlet section (12), combination drying section (15) and outlet section (16); Described sleeve is connected by pipeline with an end of the jet pipe of band tapered hole, the top of described bump chamber is connected with the air inlet section of mixing drier with aerosol inlet mouth (18) by pipeline, is respectively equipped with the inlet mouth (17) of clean dry air on described air inlet section and mixing section.
2. according to the described submicron order aerosol of claim 1 generating unit, it is characterized in that: in the combination drying section of described mixing tank, be provided with a taper air diffuser (13).
3. according to claim 1 or 2 described submicron order solid sodium chloride aerosol generating units, it is characterized in that: the jet pipe of described band tapered hole is made of interior pipe (7) two portions of outer tube (8) and band taper hole, in pipe and outer tube by being threaded, described outer tube is fixed on and clashes on the chamber; Described crash panel is connected with the bump chamber by screw thread.
4. according to the described submicron order solid sodium chloride aerosol of claim 3 generating unit, it is characterized in that: the inlet mouth of described clean dry air and aerosol inlet mouth arranged tangential.
5. according to the described submicron order solid sodium chloride aerosol of claim 1 generating unit, it is characterized in that: the injection diameter of described nozzle is 0.1mm～2mm; The tapered tube outlet aperture is Φ 0.5mm～Φ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133854 CN200949051Y (en) | 2006-09-22 | 2006-09-22 | Sub-micron grade solid sodium chloride aerosol generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133854 CN200949051Y (en) | 2006-09-22 | 2006-09-22 | Sub-micron grade solid sodium chloride aerosol generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200949051Y true CN200949051Y (en) | 2007-09-19 |
Family
ID=38891593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133854 Expired - Lifetime CN200949051Y (en) | 2006-09-22 | 2006-09-22 | Sub-micron grade solid sodium chloride aerosol generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200949051Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411987C (en) * | 2006-09-22 | 2008-08-20 | 清华大学 | Submicron level solid sodium chloride aerosol preparing process and apparatus |
| CN102331088A (en) * | 2011-10-21 | 2012-01-25 | 无锡博睿奥克电气有限公司 | Flow equalization device for air electric heater |
| CN103353411A (en) * | 2013-06-27 | 2013-10-16 | 西北核技术研究所 | Quasi monodisperse nanometer aerosol generation system |
| CN108957026A (en) * | 2018-05-23 | 2018-12-07 | 安徽工业大学 | A kind of critical ball rebound velocity measuring device and method of hot fly ash granule |
-
2006
- 2006-09-22 CN CN 200620133854 patent/CN200949051Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411987C (en) * | 2006-09-22 | 2008-08-20 | 清华大学 | Submicron level solid sodium chloride aerosol preparing process and apparatus |
| CN102331088A (en) * | 2011-10-21 | 2012-01-25 | 无锡博睿奥克电气有限公司 | Flow equalization device for air electric heater |
| CN103353411A (en) * | 2013-06-27 | 2013-10-16 | 西北核技术研究所 | Quasi monodisperse nanometer aerosol generation system |
| CN103353411B (en) * | 2013-06-27 | 2015-05-27 | 西北核技术研究所 | Quasi monodisperse nanometer aerosol generation system |
| CN108957026A (en) * | 2018-05-23 | 2018-12-07 | 安徽工业大学 | A kind of critical ball rebound velocity measuring device and method of hot fly ash granule |
| CN108957026B (en) * | 2018-05-23 | 2020-07-03 | 安徽工业大学 | Device and method for measuring critical rebound velocity of thermal-state fly ash particles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060922 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |