CN101187608A - Active type aerosol diluter - Google Patents
Active type aerosol diluter Download PDFInfo
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- CN101187608A CN101187608A CNA2007100595680A CN200710059568A CN101187608A CN 101187608 A CN101187608 A CN 101187608A CN A2007100595680 A CNA2007100595680 A CN A2007100595680A CN 200710059568 A CN200710059568 A CN 200710059568A CN 101187608 A CN101187608 A CN 101187608A
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Abstract
The invention belongs to the technical fields of aerosol filter and relevant equipment tests, and the invention relates to an active-type aerosol dilutor. The invention comprises air inlet chambers which are communicated mutually, mixing chambers and air discharge chambers, wherein aerosol air inlets and air inlets for after-purified compressing air are opened on the air inlet chambers, aerosol air inlet jets are arranged on the aerosol air inlets, conical jet ports are opened between the air inlet chambers and the mixing chambers, distance between the aerosol air inlet jets and the conical jet ports can be adjusted, and aerosol air outlets and additional air outlets are opened on the air discharging chambers. The invention can dilute various aerosols without changing testing aerosol particle diameter distributions, which is convenient for adopting an optical particle counter to number and measure aerosol concentration. The invention has the advantages of simple structure, convenient operation and durable use.
Description
Technical field
The invention belongs to gasoloid and filtrator, filtering material detection range, relate in particular to a kind of aerosol diluter.
Background technology
Along with the progress of science and technology, entered the research field that particle diameter is littler, precision is higher for aerocolloidal research.When a certain gasoloid gas was studied, this gasoloid number concentration may surpass research institute with prescribing a time limit in the measurement of instrument, perhaps measured under the long time high concentration to produce infringement to the serviceable life of testing tool.
Aerosol diluter, present existing Related product, but it all adopts the way of two-way gas circuit, that is, gasoloid is divided into two-way after entering diluter, leads up to restriction device, and another road is by absolute filter, mixing exhaust then.Its principle is: gasoloid is by behind the absolute filter, particulate wherein all is filtered, mix with the pure air that does not contain particle thereby make by the gasoloid of restriction device, realize certain extension rate, the aerosol diluter that patented claim 200610013372 promptly provides promptly is this type.The deficiency of this aerosol diluter is, when particulate passes through restriction device, the particle of big particle diameter can be tackled by restriction device or fragmentation is fallen, cause this kind aerosol diluter excessive for the gasoloid extension rate of big particle diameter, even there is not the particle of big particle diameter to pass through, destroyed original aerocolloidal size distribution, research and application have been had a negative impact.Therefore need a kind of to the stable dilution of gasoloid, and a kind of diluter that the number concentration dilution ratio of the original various particle diameters of gasoloid is not had a negative impact.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, providing a kind of can dilute aerosol concentration, and dilution back gasoloid keeps the ratio between its original particle diameter shelves, and gasoloid is not produced the aerosol diluter of other adverse effects.
For this reason, the present invention adopts following technical scheme:
A kind of active type aerosol diluter, comprise the inlet plenum, mixed cabin and the discharge air chamber that are interconnected, described inlet plenum offers the compressed air inlet port after gasoloid air intake opening and the purification, the place is provided with the gasoloid nozzle of air supply at the gasoloid air intake opening, between inlet plenum and mixed cabin, offer the taper puff prot, between described gasoloid nozzle of air supply and the taper puff prot apart from scalable, described discharge air chamber offers gasoloid exhausr port and additional air exhausr port.
Modern design of the present invention, by the air ejection effect, the pressurized air of purification in mixed cabin, makes the gasoloid gas of high concentration obtain dilution in mixed cabin the gasoloid gas injection of high concentration.And to each particle diameter shelves is the equal proportion dilution basically, that is, the original particle diameter shelves of gasoloid ratio is not had a negative impact.The present invention was both economical, and was practical again.To any multiple gasoloid gas all applicable (oiliness, solid particle etc.), safety, stable, reliable.The present invention is simple in structure in addition, is convenient to operation, and is durable in use.Will broad market prospect in fields such as gasoloid research and filtrator detections.
Description of drawings
Fig. 1 active type aerosol diluter structural representation.
Embodiment
Active type aerosol diluter structure of the present invention as shown in Figure 1.Whole aerosol diluter comprises
Aerosol diluter of the present invention comprises inlet plenum 1, mixed cabin 2, the discharge air chamber 3 that is interconnected.Inlet plenum 1 offers the pressure gas air intake opening 5 after gasoloid air intake opening 4 and the purification.Inlet plenum 1 offers taper puff prot 8 to mixed cabin 2, gasoloid nozzle of air supply 6 inserts inlet plenum 1 from gasoloid air intake opening 4, the insertion depth scalable of nozzle of air supply 6, under the certain condition of the compressed gas scale of construction after the purification that feeds from pressure gas air intake opening 5, nozzle of air supply 6 inserts dark more, the closer to the inwall of taper puff prot 8, aerocolloidal soakage is big more.Offer gasoloid exhausr port 7 and additional gas on the discharge air chamber 3 and join pipe 9.
Cardinal principle of the present invention is: by the air ejection effect, the pressurized air (have precompression, do not contain particle) that purifies with the gasoloid gas injection of high concentration in mixed cabin 2, the pressurized air that purifies fully mixes, dilutes in mixed cabin 2 with the gasoloid gas of high concentration, after gasoloid after the dilution is discharged from gasoloid exhausr port 7, be used for test or further processing, unnecessary gasoloid joins pipe 9 from additional gas and discharges.
By adjusting the distance of 8 of gasoloid nozzle of air supply 6 and taper puff prots, can adjust aerocolloidal soakage, under the certain situation of the air supply of the purification of injection, the dilution ratio that can regulate this aerosol diluter realizes the controllability of dilution ratio within the specific limits.
When using diluter carrier gas colloidal sol of the present invention, should be noted that following some:
1. the pressurized air that purifies requires to have certain pressure and flow range, too big or too little all can be unfavorable to diluting;
2. when the dilution ratio that still can not guarantee after the dilution of diluter to reach enough, can adopt a plurality of diluters series connection to use;
3. after additional air is discharged, need do purified treatment;
4. need regularly dilution ratio to be demarcated.
Claims (1)
1. active type aerosol diluter, it is characterized in that, comprise the inlet plenum, mixed cabin and the discharge air chamber that are interconnected, described inlet plenum offers the compressed air inlet port after gasoloid air intake opening and the purification, the place is provided with the gasoloid nozzle of air supply at the gasoloid air intake opening, between inlet plenum and mixed cabin, offer the taper puff prot, between described gasoloid nozzle of air supply and the taper puff prot apart from scalable, described discharge air chamber offers gasoloid exhausr port and additional air exhausr port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100595680A CN101187608A (en) | 2007-09-11 | 2007-09-11 | Active type aerosol diluter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100595680A CN101187608A (en) | 2007-09-11 | 2007-09-11 | Active type aerosol diluter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101187608A true CN101187608A (en) | 2008-05-28 |
Family
ID=39480092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100595680A Pending CN101187608A (en) | 2007-09-11 | 2007-09-11 | Active type aerosol diluter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101187608A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680367A (en) * | 2012-04-25 | 2012-09-19 | 广东中烟工业有限责任公司 | Method and system for detecting aerosol of smoke of cigarettes |
| CN104359745A (en) * | 2014-10-31 | 2015-02-18 | 苏州宏瑞净化科技有限公司 | Aerosol diluting device |
| CN104677700A (en) * | 2015-03-17 | 2015-06-03 | 天津市环境监测中心 | Sampling system suitable for sampling fine particles in fixed-source droplet-containing flue gas |
| CN105709622A (en) * | 2016-01-29 | 2016-06-29 | 北京航空航天大学 | Small ejector and particulate matter dilution acquisition system |
| CN109580447A (en) * | 2017-09-29 | 2019-04-05 | 宁波方太厨具有限公司 | A kind of fume exhauster grease separating degree detection method |
| CN109696521A (en) * | 2017-10-24 | 2019-04-30 | 艾欧史密斯(中国)热水器有限公司 | Gas measurement device and its control method |
-
2007
- 2007-09-11 CN CNA2007100595680A patent/CN101187608A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680367A (en) * | 2012-04-25 | 2012-09-19 | 广东中烟工业有限责任公司 | Method and system for detecting aerosol of smoke of cigarettes |
| CN104359745A (en) * | 2014-10-31 | 2015-02-18 | 苏州宏瑞净化科技有限公司 | Aerosol diluting device |
| CN104677700A (en) * | 2015-03-17 | 2015-06-03 | 天津市环境监测中心 | Sampling system suitable for sampling fine particles in fixed-source droplet-containing flue gas |
| CN105709622A (en) * | 2016-01-29 | 2016-06-29 | 北京航空航天大学 | Small ejector and particulate matter dilution acquisition system |
| CN109580447A (en) * | 2017-09-29 | 2019-04-05 | 宁波方太厨具有限公司 | A kind of fume exhauster grease separating degree detection method |
| CN109696521A (en) * | 2017-10-24 | 2019-04-30 | 艾欧史密斯(中国)热水器有限公司 | Gas measurement device and its control method |
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Open date: 20080528 |