CN106629068A - Aerosol distribution device - Google Patents
Aerosol distribution device Download PDFInfo
- Publication number
- CN106629068A CN106629068A CN201611039522.8A CN201611039522A CN106629068A CN 106629068 A CN106629068 A CN 106629068A CN 201611039522 A CN201611039522 A CN 201611039522A CN 106629068 A CN106629068 A CN 106629068A
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- CN
- China
- Prior art keywords
- aerosol
- gas
- generator
- dispenser
- pressure
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/042—Granular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to an aerosol distribution device which comprises an aerosol generator. The aerosol generator is communicated with a gas inlet system, an aerosol inlet system and an aerosol gas output system separately. The gas inlet system is used for providing gas of certain pressure and flow for the aerosol generator. The aerosol inlet system is used for providing a certain amount of powdery and granular aerosol for the aerosol generator. The aerosol generator is used for mixing received gas and the aerosol into aerosol gas of the certain concentration, and then, the aerosol gas is conveyed to an experimental loop main pipeline through the aerosol gas output system. According to the aerosol distribution device, gas is used as an aerosol carrier, an aerosol material is uniformly, stably and efficiently conveyed into the experimental loop main pipeline within a long period of time, and it is ensured that aerosol distribution can simulate actual possible working conditions; and the aerosol distribution device is simple and compact in structure and convenient to install and has the high adjustability.
Description
Technical field
The invention belongs to solid particle material dispenser, and in particular to a kind of aerosol dispenser.
Background technology
After major accident, PWR nuclear power plant can cause containment integrity it may happen that the situation of superpressure
Destruction, radioactive substance leaks in a large number, then can cause the threat to environment and personnel.For this purpose, PWR nuclear power plant is provided with one
Set containment filtration exhaust system, to the filtering emission for carrying out containment air after major accident, it is ensured that containment pressure
Less than design load, so as to ensure the integrality of containment, while filtering to discharge gas, it is to avoid discharge gas radioactivity
More than emission limit.The main component of containment air is containing radioaerosol, to measure aerosol in mistake after major accident
Filter efficiency in filter container, needs to set up test loop.In test loop, the allocator of aerosol is one important
Research contents.
For removal efficiency of the checking test body filter to aerosol, need to dispense a certain amount of gas into test loop molten
Glue so that the aerosol load in test loop in gas with occur major accident when containment air in aerosol content phase
Closely.According to pertinent literature, after it there is major accident 24 hours, in containment air the concentration of aerosol be about 100～
600mg/m3.Therefore, aerosol delivery system will dispense aerosol, and gas into test loop continually and steadily and for a long time
Collosol concentration is suitable with aerosol concentration in containment air.Further, since aerosol dispenses the work of the test loop of entrance
Making pressure range will can guarantee that in the test loop high pressure feelings for being entered for 0.31～0.73MPa, therefore aerosol delivery system
(1MPa or so) remains able to that successfully aerosol is dispensed in test loop under condition.It is efficient used in due to industry at present
Filter typically all adopts the negative pressure method of operation, even running under positive pressure environment, its system working pressure also than relatively low, leads to
Often it is less than 0.2MPa.Therefore, the aerosol generator maximum outlet pressure that can be provided on market is (special less than 0.3MPa
Order), the aerosol generator of this parameter can not meet this test demand, need the aerosol generation by special design
Device.
The content of the invention
For defect present in prior art, the present invention is provided a kind of aerosol dispenser, can be made using gas
For the carrier of flowing, by it is uniform in the aerosol long term time of powder or granule, steady, be effectively communicated to specified location, it is ensured that gas
The dispensing of colloidal sol can simulate actual operating mode；It is simple structure, compact.
To reach object above, the technical solution used in the present invention is：A kind of aerosol dispenser is provided, including gas is molten
Glue generator, the aerosol generator enters system, aerosol and enters system and aerosol gas output system with gas respectively
It is connected；Gas is used to for the gas with certain pressure and flow to be conveyed to aerosol generator into system；Aerosol enters
Enter system for providing the aerosol of a certain amount of powder or granule to aerosol generator；Aerosol generator is used to receive gas
With aerosol and certain density aerosol gas is mixed into, experimental loop is conveyed to by aerosol gas output system
Main pipeline.
Further, the gas is provided with for control into gas pressure and the first adjustment portion of flow into system
Part；Aerosol is provided with the second regulating member for controlling aerosol inlet and pressure into system.
Further, first regulating member and the second regulating member are isolating valve.
Further, the gas also includes the flowmeter for detecting gas flow in system.
Further, the gas is additionally provided with air accumulator in system, and the air accumulator pours gas using air compressor machine into it
Body.
Further, the aerosol is provided with the aerosol storage tank for storing aerosol material into system.
Further, the aerosol generator adopts ejector-type aerosol generator.
Further, the ejector-type aerosol generator includes injector diffuser, is arranged on injector diffuser one
The primary air shower nozzle at end and it is arranged on the aerosol inhalation spray head of injector diffuser side.
The present invention Advantageous Effects be：
(1) present invention, will be uniform, flat in the aerosol long term time of the powder or granule in pipeline by the use of air-flow as carrier
Surely, specified location is effectively delivered to, completes material allocation；
(2) dispensing device of the invention, compared with the conveying equipment of other divided solid materials, Geldart-D particle is little particle
The most suitable conveying device of solid material continuous conveying；
(3) it is simple and compact for structure, it is easily installed, and with higher adjustability.
Description of the drawings
Fig. 1 is the structural representation of aerosol dispenser of the present invention；
Fig. 2 is the structural representation of injecting type aerosol generator.
In figure：
1- air compressor machine 2- air accumulators 3,6,8,10- regulating valves 4,12- isolating valve 5- flowmeters
7- aerosol generator 9- aerosol storage tanks 11- bypass 13- main pipelines 71,80,
83- flanges 72,74,78,82- sealing ring 73- gas flow adjusting flanges 75,79- bolts
Nut 76- primary air shower nozzle 77- aerosol inhalation spray head 81- injector diffusers
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in further detail.
As shown in figure 1, being the aerosol dispenser that the present invention is provided, including aerosol generator 7, the aerosol occurs
Device 7 is connected respectively into system, aerosol with gas into system and aerosol gas output system, the output of aerosol gas
System is connected with experimental loop main pipeline 13.
Wherein, gas enters pipeline into system including gas, and gas is sequentially provided with air compressor machine 1, gas storage on pipeline
Tank 2, regulating valve 3, isolating valve 4, flowmeter 5, regulating valve 6.
The preferred oilless air compressor of air compressor machine 1, for pouring the compressed air or indifferent gas of certain pressure into air accumulator 2
Body.
Air accumulator 2, for gas of the storage with certain pressure, and ensures gas pressure stability in tank.
Regulating valve 3, is arranged on the outlet of air accumulator 2, for adjusting gas flow and pressure into aerosol generator,
Stable carrier gas source of the gas is provided for aerosol.
Isolating valve 4, for the medium for blocking or connecting in pipeline.
Flowmeter 5, for detecting that gas enters in pipeline the flow for entering gas.
Regulating valve 6, for further adjusting pressure and flow that gas enters gas in pipelines.
Aerosol generator 7, for receiving gas and aerosol that gas enters system conveying into system and aerosol,
And certain density aerosol gas is mixed into, experimental loop main pipeline 13 is delivered to by aerosol gas output system
In, for testing.
Aerosol enters pipeline into system including aerosol, and aerosol is sequentially provided with aerosol storage tank 9 on pipeline
With regulating valve 8.
Regulating valve 8, for controlling the input quantity and pressure of aerosol.
Aerosol storage tank 9, for loading enough aerosol powder in case test is used.
Aerosol gas output system includes aerosol gas outlet duct, is sequentially provided with aerosol gas outlet duct
Regulating valve 10, bypass 11 and isolating valve 12.
Regulating valve 10, for adjusting aerosol gas into the pressure and flow of experimental loop main pipeline.
Bypass 11, when main pipeline 13 does not need aerosol, bypasses aerosol gas.
Isolating valve 12, for the medium for blocking or connecting in pipeline.
What the dispenser of the present invention was realized in：
Sky is carried out using compressor 1 by the compressed air or inert gas of certain pressure, air accumulator 2 is filled with air accumulator 2
Gas is stored and pressure stability, then arranges pressure-reducing valve and regulating valve 3 to adjust the pressure of the outlet of air accumulator 2 by the outlet of air accumulator
Power and flow, it is ensured that provide the carrier gas source of the gas of pressure and stability of flow to aerosol generator 7.At the same time, according to test work
Condition needs, and the opening of the upstream regulation valve 6 of aerosol generator 7 is adjusted to correct position, aerosol storage tank 9 into filling enough
Aerosol powder is in case test is used.During test, the carrier gas of certain pressure and flow is passed through into aerosol generator, the stream of air
It is dynamic to be realized by the pressure differential at delivery pipe two ends, enter pipeline directly to material and mobile required energy is provided, obtain institute
The aerosol gas of concentration is needed, and by its aerosol gas delivery in main pipeline, for testing.The present invention consolidates with other bulks
The conveying equipment of body material is compared, and is the most suitable conveying dress of solid small particles material continuous conveying using Pneumatic conveyer
Put, it can be ensured that the operating mode of the dispensing simulation actual capabilities of aerosol, it is ensured that it is equal in long term time that the dispensing of aerosol is
It is even, steady, effectively carry out.
The present invention is in order to ensure in the case of experimental loop high pressure, to remain able to successfully aerosol is dispensed into into experiment
In loop, the preferred ejector-type aerosol generator of aerosol generator 7.As shown in Fig. 2 being the ejector-type that the present invention is provided
Aerosol generator, the ejector-type aerosol generator includes injector diffuser 81, is arranged on injector diffuser 81 1
The primary air shower nozzle 76 at end and be arranged on injector diffuser 81 side aerosol inhalation spray head 77.Primary air shower nozzle 76 leads to
Cross flange to be connected by bolt and nut 75 into the flange 71 on pipeline with gas, between two flanges gas flow adjusting flange is provided with
73.In order to ensure the sealing between flange 71 and gas flow adjusting flange 73 and the sealing between flange and primary air shower nozzle 76,
Sealing ring 72,74 is respectively provided between flange 71 and gas flow adjusting flange 73 and between flange and primary air shower nozzle 76.Aerosol is sucked
Shower nozzle 77 is connected by the flange 80 that flange is entered on pipeline with aerosol by bolt and nut 79.In order to ensure two flanges it
Between sealing, between two flanges arrange sealing ring 78.The other end of injector diffuser 81 is by flange and aerosol
Flange 83 on output channel connects.In order to ensure the sealing between two flanges, between two flanges sealing ring is provided with
82。
Said flow adjustable plate 73 is used for control into the air flow rate and speed of injector；Primary air shower nozzle 76 is used to carry
High air velocity, reduces air-flow static pressure, so as to produce negative pressure at suction；Aerosol inhalation spray head 77 is used for Inhaled Aerosol；
Injector diffuser 81 is used to mix aerosol and air-flow, produces uniform aerosol gas, finally discharges from outlet.
The course of work of ejector-type aerosol generator is as follows：
First aerosol powder is fitted in closed container (aerosol storage tank), the gas of injector bottom is connected to by pipeline
Colloidal sol suction inlet, for providing aerosol powder；Compressed air enters injector from injector left side import, and in throat of injector
Portion formed high velocity air, so as to drive aerosol storage tank in aerosol be mixed into injector supervisor, and continue from injector
Right side is discharged into test loop main pipeline, so as to realize the dispensing of aerosol.
The aerosol dispenser of the present invention is not limited to above-mentioned specific embodiment, and those skilled in the art are according to this
Bright technical scheme draws other embodiments, also belongs to the technological innovation scope of the present invention.
Claims (8)
1. a kind of aerosol dispenser, including aerosol generator (7), is characterized in that：The aerosol generator (7) respectively with
Gas is connected into system, aerosol into system and aerosol gas output system；Gas enters system for molten to gas
Glue generator provides the gas of certain pressure and flow；Aerosol enters system to be used to provide a certain amount of to aerosol generator
The aerosol of powder or granule；Aerosol generator is used to for the gas and aerosol of reception to be mixed into certain density aerosol gas
After body, experimental loop main pipeline (13) is conveyed to by aerosol gas output system.
2. aerosol dispenser as claimed in claim 1, is characterized in that：The gas is provided with for controlling into system
Into gas pressure and the first regulating member of flow；Aerosol is provided with for controlling aerosol inlet and pressure into system
Second regulating member of power.
3. aerosol dispenser as claimed in claim 2, is characterized in that：First regulating member and the second regulating member
It is isolating valve.
4. aerosol dispenser as claimed in claim 3, is characterized in that：The gas also includes for examining in system
Survey the flowmeter (5) of gas flow.
5. aerosol dispenser as claimed in claim 4, is characterized in that：The gas is additionally provided with air accumulator in system
(2), the air accumulator (2) using air compressor machine (1) to its interior gas injection.
6. the aerosol dispenser as described in any one of claim 1-5, is characterized in that：The aerosol sets in system
There is the aerosol storage tank (9) for storing aerosol material.
7. aerosol dispenser as claimed in claim 6, is characterized in that：The aerosol generator (7) adopts injector
Formula aerosol generator.
8. aerosol dispenser as claimed in claim 7, is characterized in that：The ejector-type aerosol generator includes spray
Emitter diffuser (81), the primary air shower nozzle (76) for being arranged on injector diffuser (81) one end and it is arranged on injector diffuser
(81) the aerosol inhalation spray head (77) of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039522.8A CN106629068A (en) | 2016-11-21 | 2016-11-21 | Aerosol distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039522.8A CN106629068A (en) | 2016-11-21 | 2016-11-21 | Aerosol distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106629068A true CN106629068A (en) | 2017-05-10 |
Family
ID=58811242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611039522.8A Pending CN106629068A (en) | 2016-11-21 | 2016-11-21 | Aerosol distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629068A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857947A (en) * | 2021-04-06 | 2021-05-28 | 中国烟草总公司郑州烟草研究院 | Method for generating aerosol of cigarette smoke heated by standard concentration, temperature and pressure |
| CN113457479A (en) * | 2021-07-22 | 2021-10-01 | 上海交通大学 | Dust aerosol generating system with continuous and stable quantitative concentration |
| CN114923125A (en) * | 2022-05-23 | 2022-08-19 | 中国计量大学 | Utilize suspension nanoparticle to adsorb reinforcing hydrogen diluted safe discharging equipment |
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| CN103306706A (en) * | 2013-06-13 | 2013-09-18 | 西安科技大学 | Device and process for preparing aerosol for preventing coal from spontaneous combustion |
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| CN105944494A (en) * | 2016-07-15 | 2016-09-21 | 缪琼华 | Treatment method for removing benzene series in petrochemical industrial waste gas |
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| AU6329990A (en) * | 1989-11-29 | 1991-06-06 | Nordson Corporation | Powder pump with internal valve |
| CN1174760A (en) * | 1996-08-07 | 1998-03-04 | 埃尔帕特朗尼股份公司 | Method for conveying powder material and nozzle |
| CN2720423Y (en) * | 2004-07-27 | 2005-08-24 | 杨上雄 | Coal-powder sampling device |
| CN201737945U (en) * | 2010-07-01 | 2011-02-09 | 西安交通大学 | Simulated experimental system for real-time tracking and detection of small-scale active biological sample |
| CN103998143A (en) * | 2011-10-27 | 2014-08-20 | 格瑞克明尼苏达有限公司 | Vacuum system feed assist mechanism |
| CN102658039A (en) * | 2012-04-20 | 2012-09-12 | 哈尔滨工程大学 | Double-cylinder multi-fluidization circulating type aerosol generator |
| JP2014105061A (en) * | 2012-11-27 | 2014-06-09 | Nippon Tokushu Rozai Kk | Particulate matter transport method and particulate matter transport mechanism |
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| CN203489259U (en) * | 2013-07-31 | 2014-03-19 | 攀钢集团钛业有限责任公司 | Gas-solid ejector and circulating fluidized bed boiler system |
| CN104692128A (en) * | 2015-02-14 | 2015-06-10 | 中国计量学院 | Continuous spray dispersion method of micro/nano dry powder particles |
| CN105805553A (en) * | 2016-05-06 | 2016-07-27 | 上海核工程研究设计院 | Emergency meeting compressed air system of nuclear power station |
| CN105944494A (en) * | 2016-07-15 | 2016-09-21 | 缪琼华 | Treatment method for removing benzene series in petrochemical industrial waste gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857947A (en) * | 2021-04-06 | 2021-05-28 | 中国烟草总公司郑州烟草研究院 | Method for generating aerosol of cigarette smoke heated by standard concentration, temperature and pressure |
| CN113457479A (en) * | 2021-07-22 | 2021-10-01 | 上海交通大学 | Dust aerosol generating system with continuous and stable quantitative concentration |
| CN114923125A (en) * | 2022-05-23 | 2022-08-19 | 中国计量大学 | Utilize suspension nanoparticle to adsorb reinforcing hydrogen diluted safe discharging equipment |
| CN114923125B (en) * | 2022-05-23 | 2023-11-03 | 中国计量大学 | Safety discharge device for enhancing hydrogen dilution by utilizing suspended nanoparticle adsorption |
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| PB01 | Publication | ||
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Application publication date: 20170510 |