CN102641699A - Potassium chloride aerosol generation method and potassium chloride aerosol generation device - Google Patents
Potassium chloride aerosol generation method and potassium chloride aerosol generation device Download PDFInfo
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- CN102641699A CN102641699A CN2012101300589A CN201210130058A CN102641699A CN 102641699 A CN102641699 A CN 102641699A CN 2012101300589 A CN2012101300589 A CN 2012101300589A CN 201210130058 A CN201210130058 A CN 201210130058A CN 102641699 A CN102641699 A CN 102641699A
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Abstract
The invention provides a potassium chloride aerosol generation method and a potassium chloride aerosol generation device. The potassium chloride aerosol generation device comprises a gas storage cylinder, an atomizing chamber and potassium chloride solution. The gas storage cylinder is used for storing filtered and purified gas and connected with two pipelines. The first pipeline is connected to a nozzle arranged at the top of the atomizing chamber. The potassium chloride solution is connected to the nozzle through a solution pump. The second pipeline is provided with an air heater and is connected to a hot air outlet at the bottom of the atomizing chamber through a pipe. The gas storage cylinder is further connected with a third pipeline, and the third pipeline is connected with an air cooler and an air dryer, and is connected to the top of a condensing chamber through a pipe finally. The bottom of the atomizing chamber is connected to the top of the condensing chamber through a pipe, and an aerosol outlet is arranged at the bottom of the condensing chamber. With the potassium chloride aerosol generation device, moisture evaporation of liquid potassium chloride drops and crystallization of potassium chloride aerosol are realized respectively, the potassium chloride aerosol generation process can be controlled more accurately, and potassium chloride aerosol generated finally is guaranteed to be free of moisture.
Description
Technical field
the present invention relates to belong to air cleaning technology and field of air filtration, are specifically related to aerosal generating method and device thereof in a kind of air filter detection system.
Background technology
along with a large amount of of automobile popularize, air filter is received concern more and more widely for the importance of protection internal combustion engine and engine apparatus performance, therefore need carry out the detection and the evaluation of science to the performance of air filter.Europe, Japan, China and early stage international standard adopt the heavy efficient of meter to the test of air filter performance always, begin to become new international standard and now the meter footpath efficient of air filter is tested.In the efficiency test system of meter footpath, aerosol generator is crucial parts, because the aerosol particle diameter that aerosol generator produces, concentration and stability thereof will finally influence the result of air filter performance test.
present existing sodium chloride and potassium chloride aerosol generator use single high cylinder, use the air of heating to make the water evaporates in the aerosol droplets in the cylinder, and this technological weak point is: (1) cylinder height is too high; (2) too high causing of humidity contained moisture in the final aerosol that produces in the cylinder.Therefore be necessary to develop a kind of new aerosol generator system.
Summary of the invention
The technical problem of
first aspect to be solved by this invention is to overcome the too big defective of crystalline solid moisture that the aerosol generator of prior art forms, and a kind of moisture free potassium chloride aerosal generating method is provided.
In order to solve the technical problem of above-mentioned first aspect, technical scheme provided by the invention is: the potassium chloride aerosal generating method comprises the steps:
(1) air is stored in the air accumulator through behind the filtration, purification, and the portion of air in the air accumulator is that spray chamber provides atomizing air through the nozzle at spray chamber top; Klorvess Liquid flows to nozzle through solution pump simultaneously, and Klorvess Liquid is induced through the pressure-air of the nozzle of flowing through and atomized;
(2) another part air in the air accumulator provides hot-air through air heater from the spray chamber bottom, quickens the evaporation of moisture in the atomizing afterchlorinate potassium drop;
is characterized in that; After said step (2), also comprise condensing steps, the potassium chloride drop after the atomizing gets into the condensation chamber top from the spray chamber bottom, simultaneously; Another part air in the air accumulator passes through aerial cooler; From the condensation chamber top cold air is provided, quickens the aerocolloidal crystallization of potassium chloride, form aerosol.
preferably, compressed air pressure is 10 kPa in the said air accumulator, the solution pump rotating speed is 14-18rpm, flow velocity is that the hot-air of 6-18L/min gets into from spray chamber bottom with Klorvess Liquid and mixes, and makes the surperficial water evaporates of drop.
preferably, in the said condensing steps, the cold air that the aerosol air-flow gets into condensation chamber and 28-40 L/min is mixed into the crystallization of promoting the circulation of qi colloidal sol, relative humidity is lower than 70% in the condensation chamber.
The technical problem of
second aspect to be solved by this invention is to provide a kind of potassium chloride aerosol generating device.
In order to solve the technical problem of above-mentioned second aspect; Technical scheme provided by the invention is: the potassium chloride aerosol generating device; Comprise that stored filter purifies the air accumulator of back gas; Spray chamber and Klorvess Liquid, said air accumulator connects two road pipelines: first via pipeline is connected at the nozzle at said spray chamber top, and Klorvess Liquid also is connected to said nozzle through solution pump; The second road pipeline is provided with an air heater and is connected to the hot air outlet of said spray chamber bottom through pipeline;
is characterized in that said device also comprises a condensation chamber, and said air accumulator also connects a Third Road pipeline, and said the 3rd pipeline connects aerial cooler and air dryer, are connected to the top of condensation chamber at last through pipeline; Said spray chamber bottom is connected through the top of pipeline and said condensation chamber, is provided with the aerosol outlet in the bottom of said condensation chamber.
Connection traffic meter and air shut-off valve preferably on the tank connected three-way connection (pipe) of the said gas storage road, are also distinguished in
.
preferably, said condensation chamber also connects the corpuscular counter that is used to take a sample and detects.
Potassium chloride aerosol generating device of the present invention and method for generation have following advantage and characteristic compared with prior art:
potassium chloride aerosol generating device 1. of the present invention and method for generation can produce the potassium chloride aerosol of measuring cleaner meter footpath efficient performance, and particle size range covers 0.3 ~ 10 μ m, is convenient to the performance of rational evaluation cleaner.
traditional aerosol atomizing evaporation process needs very high single spray chamber; Potassium chloride aerosol generating device of the present invention is through setting up spray chamber and condensation chamber; Realize the evaporation and the aerocolloidal crystallization of potassium chloride of moisture in the potassium chloride drop respectively; Can control the aerocolloidal generating process of potassium chloride more accurately; Cold air is reduced relative humidity through condensation chamber, guarantee the final potassium chloride aerosol moisture-free that produces, for the cleaner performance of accurately measuring protection internal combustion engine, engine and compressed air unit etc. provides the test aerosol.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of potassium chloride aerosol generating device of the present invention.
wherein: 1 high efficiency particle air filter, 2 air accumulators, 3-1 atomizing air inlet, 3-2 atomizing air control valve, 3-3 atomization air flow meter; The 4-1 hot air inlet, 4-2 hot air control valve, 4-3 thermal air flowmeter, 5-1 cool air inlet, 5-2 cold air control valve; 5-3 cold air flowmeter, 6 air heaters, 7 aerial coolers, 8 air dryers, 9 Klorvess Liquids; 10 solution pumps, 11 nozzles, 12 hot air outlets, 13 mixed airflows inlet, 14 spray chambers; 15 condensation chambers, 16 cold-air vents, the outlet of 17 mixed airflows, 18 corpuscular counters and the outlet of 19 aerosols.
The specific embodiment
further specify such scheme below in conjunction with specific embodiment.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally conventional production in this area and experimental conditions.
The preferred embodiment of the potassium chloride aerosol generating device of the present invention that
are as shown in Figure 1; Comprise that stored filter purifies the air accumulator 2 of back gas; Spray chamber 14 and Klorvess Liquid 9; Also comprise a condensation chamber 15; Air accumulator 2 connects the three-way connection (pipe) road: wherein first via pipeline is connected at the nozzle 11 at said spray chamber 14 tops through the inlet of the atomizing air on the air accumulator 2 3-1, and also is provided with atomizing air control valve 3-2 and atomization air flow meter 3-3 on the said pipeline, and Klorvess Liquid 9 also is connected to this nozzle 11 through solution pump 10; The second road pipeline connects hot air control valve 4-2 through the hot air inlet 4-1 pipeline on the air accumulator 2, a thermal air flowmeter 4-3 and an air heater 6, and be connected to the hot air outlet 12 of spray chamber 14 bottoms; The Third Road pipeline is through the 5-1 cool air inlet on the air accumulator 2, and pipeline connects cold air control valve 5-2, cold air flowmeter 5-3, and aerial cooler 7 and air dryer 8 are connected to the top of condensation chamber 15 at last; And said spray chamber 14 bottoms are connected through the top of pipeline and said condensation chamber 15, are provided with aerosol outlet 19 in the bottom of condensation chamber 15.Among one embodiment, condensation chamber 15 also connects the corpuscular counter 18 that is used to take a sample and detects.
Atomizing air control valve 3-2 is at first opened in
, and air carries out self-cleaning through spray chamber 14 and condensation chamber 15 successively, gets rid of the pollutant of the inside.Open hot air control valve 4-2, air heater 6, cold air control valve 5-2, aerial cooler 7, air dryer 8 and solution pump 10 simultaneously; Klorvess Liquid 9 atomizes at nozzle 11 places under the inducing of the driving of solution pump 10 and atomizing air; Hot-air in spray chamber 14 with the atomizing the potassium chloride drop in water evaporates; The potassium chloride aerosol mixing air that obtains gets into condensation chamber 15 from spray chamber 14, and cold air quickens the aerocolloidal crystallization of potassium chloride in condensation chamber 15.18 pairs of aerosol concentrations of corpuscular counter are sampled, and when concentration met test request, the potassium chloride aerosol came out from aerosol outlet 19.
potassium chloride aerosol generating device of the present invention mainly is made up of air-treatment part, Klorvess Liquid preparation and transport portion, potassium chloride atomizing and mixing portion, potassium chloride aerosol condensation segment.Wherein, the air-treatment part is made up of high efficiency particle air filter, air accumulator, air heater, aerial cooler and air dryer; Klorvess Liquid is prepared and transport portion is made up of Klorvess Liquid and solution pump, and said potassium chloride atomizing and mixing portion are made up of nozzle, hot air outlet and spray chamber, and potassium chloride aerosol condensation segment is made up of condensation chamber and cold-air vent.
Potassium chloride aerosal generating method of the present invention comprises step:
(1) air is stored in the air accumulator through behind the filtration, purification, and the portion of air in the air accumulator is that spray chamber provides atomizing air through the nozzle at spray chamber top; Klorvess Liquid flows to nozzle through solution pump simultaneously, and Klorvess Liquid is induced through the pressure-air of the nozzle of flowing through and atomized;
(2) another part air in the air accumulator provides hot-air through air heater from the spray chamber bottom, quickens the evaporation of moisture in the atomizing afterchlorinate potassium drop;
(3) condensing steps: the potassium chloride drop after the atomizing gets into the condensation chamber top from the spray chamber bottom; Simultaneously, the another part air in the air accumulator provides cold air through aerial cooler from the condensation chamber top; Quicken the aerocolloidal crystallization of potassium chloride, form aerosol.
this potassium chloride aerosal generating method specific embodiment is following: compressed air pressure is 10 kPa, when solution pump is 14-18 rpm Klorvess Liquid is atomized; Potassium chloride liquid after the atomizing drops in the spray chamber and mixes with the hot-air of 6-18L/min; Drop surface water evaporates; The condensation chamber of aerosol air-flow entering afterwards mixes with the cold air of 28-40 L/min; Potassium chloride aerosol generation crystallization, particle size range obtain to meet the potassium chloride aerosol of air filter performance test requirement between 0.3 ~ 10 μ m.
above to be shown and has described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.
Claims (6)
1. the potassium chloride aerosal generating method comprises the steps:
(1) air is stored in the air accumulator through behind the filtration, purification, and the portion of air in the air accumulator is that spray chamber provides atomizing air through the nozzle at spray chamber top; Klorvess Liquid flows to nozzle through solution pump simultaneously, and Klorvess Liquid is induced through the pressure-air of the nozzle of flowing through and atomized;
(2) another part air in the air accumulator provides hot-air through air heater from the spray chamber top, quickens the evaporation of moisture in the atomizing afterchlorinate potassium drop;
It is characterized in that; After said step (2), also comprise condensing steps, the potassium chloride drop after the atomizing gets into the condensation chamber top from the spray chamber bottom, simultaneously; Another part air in the air accumulator passes through aerial cooler; From the condensation chamber top cold air is provided, quickens the aerocolloidal crystallization of potassium chloride, form aerosol.
2. potassium chloride aerosal generating method according to claim 1; It is characterized in that; Compressed air pressure is 10 kPa in the said air accumulator; The solution pump rotating speed is 14-18rpm, and flow velocity is that the hot-air of 6-18L/min gets into from the spray chamber bottom and Klorvess Liquid mixes, and makes drop surface water evaporates.
3. potassium chloride aerosal generating method according to claim 1 is characterized in that, in the said condensing steps, the cold air that the aerosol air-flow gets into condensation chamber and 28-40 L/min is mixed into the crystallization of promoting the circulation of qi colloidal sol, and relative humidity is lower than 70% in the condensation chamber.
4. potassium chloride aerosol generating device; Comprise that stored filter purifies the air accumulator of back gas; Spray chamber and Klorvess Liquid, said air accumulator connects two road pipelines: first via pipeline is connected at the nozzle at said spray chamber top, and Klorvess Liquid also is connected to said nozzle through solution pump; The second road pipeline is provided with an air heater and is connected to the hot air outlet of said spray chamber bottom through pipeline;
It is characterized in that said device also comprises a condensation chamber, and said air accumulator also connects a Third Road pipeline, said the 3rd pipeline connects aerial cooler and air dryer, is connected to the top of condensation chamber at last through pipeline; Said spray chamber bottom is connected through the top of pipeline and said condensation chamber, is provided with the aerosol outlet in the bottom of said condensation chamber.
5. potassium chloride aerosol generating device according to claim 4 is characterized in that, on the tank connected three-way connection (pipe) of the said gas storage road, also distinguishes pipeline connection traffic meter and air shut-off valve.
6. potassium chloride aerosol generating device according to claim 4 is characterized in that, preferably, said condensation chamber also connects the corpuscular counter that is used to take a sample and detects.
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| CN2012101300589A CN102641699A (en) | 2012-04-27 | 2012-04-27 | Potassium chloride aerosol generation method and potassium chloride aerosol generation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353411A (en) * | 2013-06-27 | 2013-10-16 | 西北核技术研究所 | Quasi monodisperse nanometer aerosol generation system |
| CN103940753A (en) * | 2014-04-29 | 2014-07-23 | 北京理工大学 | Aerosol nucleation pulse generator |
| CN105549065A (en) * | 2015-12-09 | 2016-05-04 | 中国船舶重工集团公司第七一九研究所 | Artificial radioactive aerosol source machine |
| CN114081210A (en) * | 2021-11-16 | 2022-02-25 | 长安大学 | Aerosol generating device |
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| CN101093218A (en) * | 2007-07-27 | 2007-12-26 | 中国建筑科学研究院 | Large-particle-size aerosol generating method and device for air filter efficiency test |
| CN202693448U (en) * | 2012-04-27 | 2013-01-23 | 周斌 | Potassium chloride aerosol generator |
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2012
- 2012-04-27 CN CN2012101300589A patent/CN102641699A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101093218A (en) * | 2007-07-27 | 2007-12-26 | 中国建筑科学研究院 | Large-particle-size aerosol generating method and device for air filter efficiency test |
| CN202693448U (en) * | 2012-04-27 | 2013-01-23 | 周斌 | Potassium chloride aerosol generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103940753A (en) * | 2014-04-29 | 2014-07-23 | 北京理工大学 | Aerosol nucleation pulse generator |
| CN105549065A (en) * | 2015-12-09 | 2016-05-04 | 中国船舶重工集团公司第七一九研究所 | Artificial radioactive aerosol source machine |
| CN105549065B (en) * | 2015-12-09 | 2018-12-18 | 中国船舶重工集团公司第七一九研究所 | A kind of artificial radioactive aerosol source machine |
| CN114081210A (en) * | 2021-11-16 | 2022-02-25 | 长安大学 | Aerosol generating device |
| CN114081210B (en) * | 2021-11-16 | 2024-02-02 | 长安大学 | Aerosol generating device |
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Application publication date: 20120822 |