CN106512872A - Long-term fluidized aerosol generating device with self-dispersing function - Google Patents
Long-term fluidized aerosol generating device with self-dispersing function Download PDFInfo
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- CN106512872A CN106512872A CN201611105964.8A CN201611105964A CN106512872A CN 106512872 A CN106512872 A CN 106512872A CN 201611105964 A CN201611105964 A CN 201611105964A CN 106512872 A CN106512872 A CN 106512872A
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- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
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Abstract
The invention provides a long-term fluidized aerosol generating device with a self-dispersing function. The long-term fluidized aerosol generating device consists of an airflow supply part, an airflow drying part, a powder ebullition fluidizing part, a powder self-dispersing part and a powder online continuous supply part. Due to the unique design of the airflow drying section and an ebullition fluidizing plate, powder can be in a fluidized state under the action of the bubbling airflow of the fluidizing plate. In the self-dispersing section, part of lumpy powder is further dispersed under the action of high-speed airflow, so that the problems of viscous powder aggregation, clustering, vibrating caking and water absorbing deliquescence are effectively solved, the problems of particle unevenness and powder discharging discontinuity, which occur in the aerosol powder supply process, are effectively avoided, and the even and continuous supply of aerosol powder is ensured.
Description
Technical field
The present invention relates to a kind of pressed powder aerosol generating device, more particularly to it is a kind of with the long-term of self-dispersing function
Fluidisation type aerosol generating device.
Background technology
When reactor occurs major accident, the reactor core fused mass of high temperature can be by pressure vessel burn through, so that being included in
A large amount of radioaerosol effusion pressure vessels of heap in-core, enter in containment.Containment is used as preventing radioactive product
Last one barrier of environment is discharged into, its integrity becomes particularly important.At the same time, the reactor core of melting falls containment
On base plate, substantial amounts of incoagulable gas is produced with the reaction of the concrete of base plate.With the continuous accumulation of incoagulable gas, containment
Interior pressure gradually rises, and the pressure-bearing that may finally reach containment is limited and causes containment to destroy, and causes radioactivity gas molten
Glue leaks.To prevent the generation of such accident, current nuclear power station from typically all adopting containment filtration exhaust system, unloaded by active
The mode of pressure makes the pressure in containment less than its carrying limit value, so that it is guaranteed that containment integrity；Meanwhile, by being arranged on
Defecator on release pipeline is effectively filtered to the radioaerosol in discharge gas, prevents radioaerosol dirty
Environment is contaminated, therefore carries out containment filtration exhaust system and of crucial importance is seemed to the confirmatory experiment of aerosol filtration efficiency.
The operating pressure of containment filtration exhaust system be 0.73MPa, and can continuous 36 hours in containment discharge
Radioaerosol effectively filtered.The aerosol produced in accident process is main with pressed powder form in containment
Exist, so in order to strainability test is carried out to containment filtration exhaust system, needing a kind of pressed powder aerosol to occur
Device, which sustainedly and stably can allocate into big with containment in containment filtration exhaust system (operating pressure is 0.73MPa)
The suitable aerosol of the characteristic of aerosol, concentration and granular size in gas, and require the pressed powder aerosol generating device energy
Aerosol is dispensed to loop incessantly within enough continuous 36 hours.Domestic conventional pressed powder aerosol generating device is state at present
A few money shaped articles of outer research and development, including the TSI3400A type gas in German BEG1000, RBG series aerosol generator and the U.S.
Colloidal sol generator etc..They are mainly based on chain nozzle-type, rotary brush and fluidized bed type.It is domestic molten with regard to pressed powder gas
The development of glue generating meanss is not yet ripe, only has some patents《A kind of solid particle aerosol producer》
(200520114532.4),《Rotating disk type dust aerosol generating device》(201010136283.4),《Toothed belt type aerosol
Generating meanss》(201120050150.5),《Dust aerosol generating device》(CN201010101408.X) and《A kind of dust gas
Colloidal sol generating meanss》(201310685850.5) solid particle aerosol producer is mentioned in.But in existing product and patent
The pressed powder aerosol generating device being previously mentioned all is disperseing using mechanical moving elements such as conveyer belt, chain and rotating brushes
With carry aerosol solid powder, and be passed to the entry position of powder absorption-dispenser, at the device portal
Swabbing action, makes aerosol powder enter absorption-dispenser by entrance, and aerosol is distributed to required system by then Jing outlets
System.The system pressure that the device can be dispensed depends on the pressure in powder absorption-dispenser exit, in order to high-pressure system
Interior dispensing aerosol, it is necessary to improve the pressure in powder absorption-dispenser exit.But, the powder for adopting at present absorbs-matches somebody with somebody
Device is sent to be mainly jet pipe, diffusion tip or other some depression generators, the structure and principle of these devices determine which
Normal absorption cannot be carried out to the aerosol solid powder that mechanical moving element is carried under high outlet pressure condition, thus it is existing
Pressed powder aerosol generating device outlet pressure relatively low (maximum outlet pressure be less than 0.3MPa), it is impossible to for high pressure system
The aerosol dispensing of system.Thus it is unsatisfactory for the requirement of experiment of aerosol filtration efficiency checking in containment filtration exhaust system.Specially
Profit《A kind of bitubular multi-stage fluidized circular type's aerosol generating device》(201210118392.2) pneumatic transporting is combined using vibration in
The mode sent improves original aerosol dispersion method, realizes the purpose of the continuous dispensing under environment under high pressure.But due to institute
The aerosol particle that need to be dispensed be cohesive powders, poor fluidity, and easily produce the aerosol in coalescence, therefore the patent generation
Device still occurs following point：1st, affected by carrier gas humidity, aerosol particle easily absorbs water deliquescence, coalescence is agglomerating, shadow
Ring the fluidization characteristic of aerosol；2nd, the pockets of aerosol of coalescence cannot be further discrete in the tedge, is directly dispensed into
In pilot system, aerosol is caused to dispense the unstability of concentration.3rd, due to being chronically in dither, the gas in ring cavity is molten
Glue occurs that coalescence is agglomerating, or even closelypacked phenomenon, so that occurring annular space blocking in the case of annular space is less and supplying powder
Difficult problem, so as to the stable dispensing of aerosol cannot be guaranteed under low concentration.Therefore, occurred using existing aerosol
Device is difficult to ensure that the requirement that viscosity aerosol is continuously and stably dispensed into environment under high pressure, so as to ensure containment filtration
The accuracy of exhaust system strainability test.It is not enough to solve this, present invention contemplates that coordinating critical flow using bubbling fluidization
Discrete method provides a kind of long-term fluidisation type aerosol generating device with self-dispersing function.
The content of the invention
The invention aims to have self-dispersing function to cohesive powders, precise control aerosol dispenses concentration and carries
For a kind of long-term fluidisation type aerosol generating device with self-dispersing function, high pressure on-line continuous can be realized for powder function,
Ensure that the aerosol generating device chronically accurately dispenses certain density aerosol in high-pressure system, can be applicable to nuclear energy,
Aerosol migration, dispersal behavior research and the filtration system performance test in the field such as environmental protection and chemical industry, also apply be applicable to peace
The aerosol deposition characteristic research of heat exchanger surface in full shell.
The object of the present invention is achieved like this：Including air-flow supply portion, pneumatic conveying drying part, powder boiling fluidisation portion
Point, powder self-dispersing part and powder on-line continuous supply portion, the pneumatic conveying drying part includes being arranged on pedestal
It is dried cylinder, the desiccant being arranged in drying body, the powder boiling fluidisation part includes and is dried cylinder upper end and is connected
Bubbling cylinder, the boiling fluidisation cylinder that is connected of the probe-type drimeter being arranged on bubbling cylinder and bubbling cylinder upper end,
The junction that cylinder is dried with bubbling cylinder is provided with uniform flow orifice, arranges with the junction of boiling fluidisation cylinder in bubbling cylinder
There is fluidized plate, the powder self-dispersing part is included by clamping the dispersion that flange is arranged on boiling fluidisation cylinder upper end outlet
Orifice plate, the powder on-line continuous supply portion are included the high gradient changeover portion communicated with boiling fluidisation cylinder, are arranged on Gao Po
The porous gas averaging board of degree changeover portion end, the loader being vertically arranged on high gradient changeover portion, it is arranged on entering on loader
Hopper, the magazine being arranged on above feed hopper, are provided with valve, are respectively provided with loader and feed hopper in magazine
Have a blanking valve, loader is communicated by equilibrium air pressure valve and boiling fluidisation cylinder, loader also by drain tap with it is big
Gas phase is led to, and the air-flow supply portion includes compressor, air accumulator, pneumatic filter and the cooling driers being sequentially connected by pipeline,
Cooling driers are connected with main air pipe and QI invigorating pipeline respectively by valve body, be disposed with QI invigorating pipeline an air relief valve, one
Number stop valve, an effusion meter and QI invigorating valve, QI invigorating valve are connected with the end of high gradient changeover portion, on main air pipe successively
Arrange No. two air relief valve, No. two stop valves, No. two effusion meters, flow control valves, and the end of main air pipe be dried cylinder
Lower end connects.
Present invention additionally comprises such some architectural features：
1. fluidize cylinder and be dried on cylinder in the bubbling cylinder, boiling and be provided with ground joint.
2. high gradient feed changeover portion and horizontal direction angle are more than the angle of repose of powder sample.
3. uniformly set up separately on porous gas averaging board described in and be equipped with diameter identical aperture；Uniform flow orifice aperture is less than desiccant most
Small particle diameters.
Compared with prior art, the invention has the beneficial effects as follows：1. by the string using equal spiracular plate and ciculation fluidized plate
It is coupled structure, makes distribution of air flow uniform, and entered in the way of bubbling from below in boiling fluidisation cylinder, makes the dust in generator
In boiling fluidized state in the presence of uniform bubbling air-flow.2. aerosol generator exit adopts self-dispersing orifice plate, makes
Air-flow accelerates in orifice plate, further breaks up the aerosol particle of agglomerate using high velocity air, improves the equal of aerosol supply
Even property.3. high pressure on-line continuous are realized using pressure balance technology and add powder, it is ensured that the long-play of aerosol generator.
4. the moisture in compressed air is removed using the gas drying pipe of generator front end, it is therefore prevented that fluidized plate blocking, to reduce gas molten
Cementing piece.5. each cylinder section is equipped with grounding ports, can derive electrostatic in time to prevent aerosol particle from assembling.6. bubbling cylinder
Probe-type drimeter is installed, the humidity into fluidized plate gas can be measured in real time, judge whether in time to change desiccant
To meet the requirement to gas humidity.7. the gas from air compressor out successively passes through pneumatic filter and cooling driers, prevents
Only impurity blocking homogenizing plate and fluidized plate and the pollution to aerosol sample in air.8. set using streamlined at the top of main cylinder
Meter, prevents air-flow stagnant area, improves overall aerosol luminous efficiency and stability.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of the generating meanss of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1～2, the present invention provides a kind of long-term fluidisation type aerosol generating device with self-dispersing function.Should
Aerosol generating device is by air-flow supply portion, pneumatic conveying drying part, powder boiling fluidisation part, powder self-dispersing part and powder
Last on-line continuous supply portion is constituted.
The air-flow supply portion mainly by compressor 1, air accumulator 2, gas filtration 3, cooling driers 4, air relief valve 7 and 33,
Stop valve 8 and 32, effusion meter 9 and 31, flow control valve 10, QI invigorating pipeline 34, QI invigorating valve 30 are constituted, and are that the aerosol occurs
Device provides the stable source of the gas of certain pressure and flow.
Described pneumatic conveying drying part is by being dried cylinder 13, desiccant 36, uniform flow orifice 38, mounting flange 14 and connection method
Blue 15 constitute, and desiccant 13 is filled in drying body, and uniform flow orifice is arranged on and is dried on the boss in cylinder lateral wall face, drying
Body is connected by flange seal with bubbling cylinder.The part is mainly dried place to the air-flow into bubbling fluidization cylinder 16
Reason, prevents viscosity aerosol powder water suction deliquescence, and occurs condensing hardened problem, while the part can be to gas flow point
With homogenizing process, to strengthen the uniformity of bubbling boiling at fluidized plate 41.Be dried the mounting flange 14 of 13 bottom of cylinder with
Pedestal 35 is bolted, and plays fixed effect.
Described powder boiling fluidisation part is by bubbling cylinder 16, fluidized plate 41, boiling fluidisation cylinder 18 and adpting flange
17 compositions.In the part, air-flow uniformly enters boiling fluidisation cylinder by way of fluidized plate 41 is with bubbling, so as to evenly
Rising be deposited on the aerosol of 18 bottom of cylinder, make aerosol powder end in boiling fluidized state, and which carried；And
Material of the described fluidized plate for even compact, the boiling fluidisation for powder provide guarantee.
Described powder self-dispersing part is made up of self-dispersing orifice plate 43, clamping flange 19, is fixed by clamping flange 19
Dispersion orifice plate 43, and installed in the exit position of aerosol generator.The gas for carrying aerosol adds through self-dispersing orifice plate
Speed, high velocity air can produce percussion to aerosol, so as to the block aerosol group of ball is broken up；
The powder on-line continuous supply portion is mainly by magazine 20, valve 21, feed hopper 22, loader 26, flat
Weighing apparatus air pressure valve 25,24, two blanking valves 23 and 27 of drain tap, high gradient changeover portion 29, porous gas averaging board 28 are constituted, real
Function of the on-line continuous under existing high pressure for powder.Magazine is located above feed hopper, and feed hopper connection loader, loader connect
Lead to high gradient feed changeover portion, the first blanking valve, loader and high gradient feed transition are installed between feed hopper and loader
The second blanking valve is installed between section, two pipes are installed on loader, on two pipes, drain tap and equilibrium air pressure is respectively mounted
Valve, high gradient feed changeover portion are connected with boiling fluidisation cylinder.The overall mounting flange of aerosol generator is connected by bolt
It is connected on pedestal.And the equilibrium air pressure valve place gas circuit is connected with main cylinder top.
Described two blanking valves 23 and 27, can make loader 26 respectively with external environment, aerosol generating device
Main body is isolated, and is used alternatingly in combination with equilibrium air pressure valve 25, drain tap 24 so that normal in aerosol generating device
In running, powder sample can enter feed hopper, and pass through loader into high gradient feed changeover portion, realize
Line uninterruptedly supplies the function of powder to aerosol generating device.
A large amount of diameter identical apertures are uniform-distribution with described porous gas averaging board 28, for accelerating air-flow, high speed gas
The rolling action of stream provides necessary shearing force for the fluidisation of powder, reduces the agglomerate of just dress powder so that powder is in the high gradient
Primary fluidisation is completed in feed changeover portion.
The angle of described magazine, feed hopper, loader bottom cone generatrices and horizontal direction is all higher than powder
Angle of repose, described high gradient feed changeover portion 29 and horizontal direction angle are more than the angle of repose of powder sample, it is to avoid part powder
Last sample is detained in a large number in the region.
The aperture of described self-dispersing orifice plate 43 should be met with high flow velocities with disperse aerosol ball block, avoided again
The requirement of high concentration aerosol gas blocking.Self-dispersing orifice plate 43 utilizes 19 clamping fastener of flange, so can be according to different gas
Colloidal sol dispenses the demand of concentration, and self-dispersing orifice plate 43 is changed.
Described uniform flow orifice 38 and fluidized plate 41 respectively by be dried cylinder 13, bubbling cylinder 16 and boiling fluidisation cylinder 18
Side wall boss using face contact by the way of sealed.
Described be dried cylinder 13, bubbling cylinder 16 and boiling fluidisation cylinder 18 is mounted on ground joint 37,39,42,
And ground joint is connected with internal face, affect aerosol to fluidize to prevent aerosol generator inner accumulation electrostatic, cause
Excessive aerosol is adsorbed on wall.
The bubbling cylinder is provided with probe-type drimeter 40, and measurement end is located at tubular axis position, measures drying in real time
Gas humidity after process, and decide whether more to renew desiccant according to measurement result.
Described 38 aperture of uniform flow orifice is less than desiccant smallest particles diameter, prevents desiccant from entering uniform flow orifice aperture
Cause assignment of traffic uneven, and cause congestion in bubbling cylinder.
Airflow design is adopted at the top of the boiling fluidisation cylinder 18, and internal face has smooth coating, with higher
Wall fineness, so can both prevent gas flowing from there is stagnant area, and cause aerosol to be detained, can also prevent that wall is coarse to be made
Into granule deposition, so as to improve overall aerosol luminous efficiency.
Described 41 aperture of fluidized plate is fine and close, and Kong Zhen is evenly distributed, it is ensured that fluidisation is uniform and prevents aerosol sample from oozing
Enter in fluidized plate, fluidized plate is blocked so as to affect fluidized plate utilization rate.
Described pneumatic filter 3 can filter the impurity in gas, to prevent aperture in impurity blocking portion homogenizing plate from making
Into assignment of traffic inequality or into fluidisation section blocking fluidized plate.
Described cooling driers 4 carry out preliminary dehumidification treatments to air-flow, can extend the usage cycles of dryer section internal desiccant
With the degree of drying for entering boiling fluidisation section air, it is to avoid aerosol moisture absorption is lumpd.
Air relief valve, regulating valve, stop valve and effusion meter are equipped with described main air pipe and QI invigorating pipeline, by appropriate
Regulation can produce the stable tolerance for meeting actual requirement.
The basic functional principle of the present invention is as follows：
As shown in figure 1, the operation principle of the air-flow supply portion described in which is：Compressor is opened during use, by work gas
Body is compressed in air accumulator 2, and air accumulator 2 plays a part of compensator or trimmer pressure, it is ensured that supplied with steady pressure.From air accumulator 2
The working gas of middle outflow enters into pneumatic filter 3, and the impurity in working gas is filtered, it is to avoid impurity blocking is flowed
Air cavity is formed between orifice plate and fluidized plate, and the pollution to aerosol sample, and described homogenizing plate and fluidized plate.After filtration
Gas carry out first order drying into cooling driers 4, most of moisture is removed in cooling driers, it is ensured that downstream desiccant has longer
Usage cycles and improve the final mass dryness fraction of gas.The gas that is pure, being dried for obtaining respectively enters QI invigorating pipeline 34 and main gas
Pipeline 5.Adjusting air relief valve 7, flow control valve 10 makes carrier gas flux and pressure meet requirement, so as to carry for aerosol generating device
For stable source of the gas.
As shown in Figure 1 and Figure 2, described powder is dried and seethes with excitement the operation principle of fluidisation part：Working gas enters first
Enter to be dried cylinder 13 and be fully contacted with the desiccant 36 that is dried inner barrel is placed on, dry working gas effectively can be prevented
Only aerosol makes moist caking, is carried by gas so as to be more conducive to aerosol.Uniform flow orifice 38 is then passed through, so that homogenizing gas exists
Flow on cylinder cross section, the space between uniform flow orifice 38 and fluidized plate 41 ensure to complete homogenizing through the air-flow of homogenizing orifice plate
Assigning process.Described uniform flow orifice pore size is same, and hole battle array arranged distribution is uniform, it is ensured that outlet is uniform and flow resistance
Little, 38 aperture of uniform flow orifice is less than desiccant smallest particles diameter, prevents 36 blocking portion uniform flow orifice aperture of desiccant, makes
It is uneven into assignment of traffic.Fluidization of the uniform air-flow of assignment of traffic further across fluidized plate 41, from gas in fluidized plate 41
Stream is flowed out in the way of bubbling, is distributed very evenly so that on cross section, rising for aerosol is turned on whole cylinder cross section
With uniform, it is to avoid occur cannot the dead angle of rising effect occur, make the aerosol in boiling fluidisation cylinder 18 remain stream
Change state, is conducive to the uniformity and stability of aerosol dispensing.The aperture of fluidized plate 41 causes dense and uniform, it is ensured that even fluidizing
While avoid seethe with excitement fluidisation cylinder 18 in aerosol penetrate into fluidized plate 41, and cause fluidized plate blocking and aerosol sample enter
Enter upstream pipeline section.Uniform flow orifice 37 and fluidized plate 41 are respectively by being dried cylinder 13, bubbling cylinder 16 and boiling fluidisation cylinder 18 side
Wall boss is gripped, so as to ensure good sealing and detachability.Gas Jing after fluidisation is in boiling fluidisation cylinder
18 lower semisection produces uniformly rising effect, and the aerosol of fluidisation of seething with excitement is uniformly mixed together with air-flow, and cocurrent outlet is molten
Glue generator.It is airflow design at the top of boiling fluidisation cylinder 18, and with higher wall fineness, it is ensured that carrier band gas is molten
The air-flow uniform flow aerosol generator of glue, prevents stagnant area and separates aerosol entrained by gas and affect overall
Aerosol dispensing concentration.It is dried cylinder 13, bubbling cylinder 16 and boiling fluidisation cylinder 18 and is connected to the respective internal face of connection respectively
Grounding ports 37,39,42, can by grounding ports derive inner barrel formed electrostatic, it is to avoid Electrostatic Absorption aerosol,
And affect aerosol luminous efficiency.Bubbling cylinder is threaded connection probe-type drimeter 40, and drimeter measuring section is located at bubbling
16 axial location of cylinder, can measure the gas humidity after drying is processed in real time, convenient to judge whether in time to change desiccant.
As shown in Fig. 2 the operation principle of described powder self-dispersing part is：Contain gas from what boiling fluidisation cylinder flowed out
Through self-dispersing orifice plate, as circulation area reduces, flow velocity is raised rapidly gas the gas of colloidal sol, the aerosol sample being carried
Product granule is relatively low due to effect of inertia flow velocity, therefore, the gentle body of aerosol particle forms very high speed difference.It is poor at high speed to increase
Impact and shear action of the atmospheric to aerosol particle, so as to automatically ball block larger in entrained aerosol is broken up, from
And reach the purpose for producing tiny, uniform aerosol dispensing.
As shown in figure 1, described powder on-line continuous for the operation principle of powder part are：Loader passes through air bleeding valve respectively
Door 24, equilibrium air pressure valve 25 is communicated with external environment and generating meanss main body, meanwhile, loader 26 passes through upper and lower two valves
23rd, 27 are connected with feed hopper 22 and high gradient feed changeover portion 29 respectively, and high gradient feed changeover portion 29 then passes through welding side
Formula is connected with boiling fluidisation cylinder 18；When aerosol generating device runs, blanking valve 23, drain tap 24 are in closing shape
State, blanking valve 27, equilibrium air pressure valve 25 are in opening, loader is isolated with external environment, and fluidize with boiling
Inner barrel is identical, so that the powder in loader falls into high gradient feed section by action of gravity.Meanwhile, from QI invigorating pipeline
34 gas Jing porous gas averaging board 28 causes air-flow to accelerate, and the rolling action of high velocity air provides necessity for the abundant fluidisation of powder
Turbulent flow and shearing force, reduce powder clustering phenomena.So that the most of powder fallen in high gradient feed changeover portion 29 exists
Before not falling within fluidized plate 38, just primary fluidisation is completed in high gradient changeover portion.When the aeresols generator needs to add
During aerating colloidal sol powder, valve 21 is opened, and closes blanking valve 23 and balance air pressure valve 25 successively, then open air bleeding valve
24, the pressure in loader 26 is discharged to ambient pressure, close drain tap 24 afterwards, open blanking valve 23, feed hopper
In 22, aerosol powder is fallen in loader 26, afterwards by gravity, closes blanking valve 23, opens equilibrium air pressure valve 25 successively
With blanking valve 27, the powder in loader 26 is under the collective effect of balance pressure and supplemental air flow into boiling fluidisation cylinder
In 18, so as to realize process that powder on-line uninterruption is supplied to generating meanss.
To sum up, the present invention allows powder at fluidized plate due to pneumatic conveying drying section and the unique design of boiling fluidized plate
Fluidized state is in the presence of bubbling air-flow；In self-dispersing section, part agglomerated powders enter one in the presence of high velocity air
Step is disperseed, the coalescence for efficiently solving cohesive powders is agglomerating, vibration caking and absorb water deliquescence the problems such as, effectively prevent
Granule present in aerosol powder supply process it is uneven and go out powder it is discontinuous the problems such as appearance, it is ensured that aerosol powder
Uniformly continuous are supplied.
Claims (5)
1. a kind of long-term fluidisation type aerosol generating device with self-dispersing function, it is characterised in that：Including air-flow supply unit
Point, pneumatic conveying drying part, powder boiling fluidisation part, powder self-dispersing part and powder on-line continuous supply portion, it is described
Pneumatic conveying drying part includes being arranged on and is dried cylinder, the desiccant being arranged in drying body, the powder boiling on pedestal
Fluidisation part includes and is dried the cylinder upper end bubbling cylinder being connected, the probe-type drimeter being arranged on bubbling cylinder and drum
The boiling fluidisation cylinder that bubble cylinder upper end is connected, is provided with uniform flow orifice junction of the cylinder with bubbling cylinder is dried, is rousing
Bubble cylinder is provided with fluidized plate with the junction of boiling fluidisation cylinder, and the powder self-dispersing part includes setting by clamping flange
The dispersion orifice plate on boiling fluidisation cylinder upper end outlet is put, the powder on-line continuous supply portion includes and boiling fluidisation cylinder
The logical high gradient changeover portion of body phase, it is arranged on the porous gas averaging board of high gradient changeover portion end, is vertically arranged in high gradient transition
Arrange in loader, the feed hopper being arranged on loader in section, the magazine being arranged on above feed hopper, magazine
Have in valve, loader and feed hopper and be respectively arranged with blanking valve, loader is by equilibrium air pressure valve and boiling fluidisation cylinder
Body phase is led to, and loader is also communicated with air by drain tap, and the air-flow supply portion includes the pressure being sequentially connected by pipeline
Contracting machine, air accumulator, pneumatic filter and cooling driers, cooling driers are connected with main air pipe and QI invigorating pipeline respectively by valve body, are mended
An air relief valve, stop valve, an effusion meter and a QI invigorating valve, QI invigorating valve and the high gradient are disposed with feed channel
The end connection of changeover portion, sets gradually No. two air relief valve, No. two stop valves, No. two effusion meters, Flow-rate adjustment on main air pipe
Valve, and the end of main air pipe connected with the lower end for being dried cylinder.
2. a kind of long-term fluidisation type aerosol generating device with self-dispersing function according to claim 1, its feature
It is：Fluidize cylinder and be dried on cylinder in the bubbling cylinder, boiling and be provided with ground joint.
3. a kind of long-term fluidisation type aerosol generating device with self-dispersing function according to claim 1 and 2, which is special
Levy and be：High gradient feed changeover portion is more than the angle of repose of powder sample with horizontal direction angle.
4. a kind of long-term fluidisation type aerosol generating device with self-dispersing function according to claim 1 and 2, which is special
Levy and be：Uniformly set up separately on the porous gas averaging board and be equipped with diameter identical aperture；Uniform flow orifice aperture is minimum less than desiccant
Particle diameter.
5. a kind of long-term fluidisation type aerosol generating device with self-dispersing function according to claim 3, its feature
It is：Uniformly set up separately on the porous gas averaging board and be equipped with diameter identical aperture；Uniform flow orifice aperture is less than desiccant minimum
Grain diameter.
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| CN109269956A (en) * | 2018-10-17 | 2019-01-25 | 华北电力大学 | It is a kind of for testing the experimental provision of microfluid impact type filter capability |
| CN109342492A (en) * | 2018-11-23 | 2019-02-15 | 哈尔滨工程大学 | A kind of experimental provision and its experimental method for the liquid-pool surface bubbles burst behavioral trait research containing aerosol |
| CN113457479A (en) * | 2021-07-22 | 2021-10-01 | 上海交通大学 | Dust aerosol generating system with continuous and stable quantitative concentration |
| CN113663882A (en) * | 2021-08-05 | 2021-11-19 | 陕西宝成航空仪表有限责任公司 | Small pneumatic surface coating equipment |
| CN116256301A (en) * | 2023-05-15 | 2023-06-13 | 四川航天拓达玄武岩纤维开发有限公司 | Basalt fiber filter bag filtering experiment device and method |
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| CN108187514A (en) * | 2018-01-30 | 2018-06-22 | 中国科学院过程工程研究所 | A kind of dust generating system and its processing method |
| CN109269956A (en) * | 2018-10-17 | 2019-01-25 | 华北电力大学 | It is a kind of for testing the experimental provision of microfluid impact type filter capability |
| CN109269956B (en) * | 2018-10-17 | 2021-04-09 | 华北电力大学 | Experimental device for testing performance of microfluid inertial impact filter |
| CN109342492A (en) * | 2018-11-23 | 2019-02-15 | 哈尔滨工程大学 | A kind of experimental provision and its experimental method for the liquid-pool surface bubbles burst behavioral trait research containing aerosol |
| CN109342492B (en) * | 2018-11-23 | 2021-09-10 | 哈尔滨工程大学 | Experimental device and experimental method for researching bubble rupture behavior characteristics of aerosol-containing liquid pool surface |
| CN113457479A (en) * | 2021-07-22 | 2021-10-01 | 上海交通大学 | Dust aerosol generating system with continuous and stable quantitative concentration |
| CN113663882A (en) * | 2021-08-05 | 2021-11-19 | 陕西宝成航空仪表有限责任公司 | Small pneumatic surface coating equipment |
| CN116256301A (en) * | 2023-05-15 | 2023-06-13 | 四川航天拓达玄武岩纤维开发有限公司 | Basalt fiber filter bag filtering experiment device and method |
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