CN208860704U - A kind of spray drying formula standard dust aerosol occurs and calibration equipment - Google Patents

A kind of spray drying formula standard dust aerosol occurs and calibration equipment Download PDF

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Publication number
CN208860704U
CN208860704U CN201821441759.3U CN201821441759U CN208860704U CN 208860704 U CN208860704 U CN 208860704U CN 201821441759 U CN201821441759 U CN 201821441759U CN 208860704 U CN208860704 U CN 208860704U
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CN
China
Prior art keywords
aerosol
calibration equipment
spray drying
air
formula standard
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Withdrawn - After Issue
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CN201821441759.3U
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Chinese (zh)
Inventor
刘超
孔艳超
刘凯
曹丽婕
王笑婵
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Qingdao Junray Intelligent Instrument Co Ltd
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Qingdao Junray Intelligent Instrument Co Ltd
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Abstract

The utility model discloses the generation of spray drying formula standard dust aerosol and calibration equipments, belong to aerosol and occur and calibration technology field.Including suspended alloy melt stirring device, quantitative material feeder, spray-drying installation, direct- action wind tunnel calibration equipment and control module;Spray-drying installation includes spraying device and drying device;Wherein, spraying device includes air compressor machine, the first admission line connecting with air compressor machine and the two fluid hydrocone type nozzles positioned at the first admission line end, and two fluid hydrocone type nozzles include that air inlet connecting mouth and feed liquor connect mouth, and the first admission line is connect with air inlet connecting mouth;Drying device includes the explosion-proof air blower for being sequentially connected in series setting, turbine flowmeter, heat gun, hot-air distributor and hothouse.The spray drying formula standard dust aerosol of the utility model occurs and calibration equipment structure is simple, intelligence degree is high, substantially increases dust aerosol stability of concentration, operational safety and the service efficiency of testing staff.

Description

A kind of spray drying formula standard dust aerosol occurs and calibration equipment
Technical field
The utility model relates to aerosol generation and calibration technology fields, particularly relate to a kind of spray drying formula standard dust Aerosol occurs and calibration equipment.
Background technique
Dust aerosol is studied in high efficiency particle air filter and test, dust suck toxicological study, flow field tracer, Yi Jiqi It has a wide range of applications in the basic research of colloidal sol.
In the prior art, aerosol generating device also has relevant report:
Patent CN105126712A discloses a kind of system that can stablize generation dust aerosol, including feeding device, powder Dirt means for diverging and sound wave type aerosol stabilising arrangement;The feeding device includes cylinder body, piston, pressure sensor, promotes gas Source and pressure controller, the dust means for diverging include dust diverging brush, shell, motor, dust diverging basin and dust diverging Air feed equipment, the sound wave type aerosol stabilising arrangement include aerosol stabilizing bin, signal generator, signal amplifier and loudspeaking Device.Above system is pushed by the way of air-flow constant pressure in the way of propelling of material powder, and the gas that primary diverging is formed Colloidal sol introducing exports after being equipped with the aerosol stabilizing bin of loudspeaker, and the aerosol particle because obtained from is uniformly dispersed, and concentration is steady It is fixed.
CN102008910A discloses a kind of dust aerosol generating device, which includes the stirring of computer control Motor drives the pectination brush uniform rotation in flowing storehouse, and the dust substance in storehouse is transported in collection powder tank, and passes through bottom Leak hole be transported on conveyer belt, computer control driving wheel drive conveyer belt run so that controls dust generation concentration. The negative pressure generator of computer control can make negative pressure powder inlet pipe attract the dust on conveyer belt flow into it is special dust it is molten from intracavitary It is transported in aerosol test experience cabin again after forming dust aerosol.The effect of the utility model is: the present apparatus, which has, to be continued The effect of dust aerosol quantitatively occurs.
CN104162390A discloses a kind of dust aerosol generating device, including compressed air generator, solution pressure valve, Dehumidifier, filter, proportioning valve, three-way connection, the first solenoid valve, second solenoid valve, control circuit board, computer, dust box, Convection cavity;The utility model whole flow process is closed, the impurity that will not be introduced into air, dust will not be introduced air and cause dirt Dye;Meanwhile high airtightness has widened the use environment of device, reduces the requirement to use environment;Dust is made in air-flow Cavity is directly entered under, the physical area of dust contact has been reduced to only one convection cavity, has improved between different dusts Isolation, reduce the pollution sources of experimental subjects, improve the unicity of experiment;In addition the present apparatus only needs periodic cleaning pair Chamber is flowed, filter device is replaced.
In summary, domestic and international producer mostly uses dried dust direct quantitative transmission method preparing dust aerosol, Its structure is extremely complex and accurate control difficulty is high, and dust loss amount is very big in dust transmission process, it is difficult to form concentration Stable and long-term aerosol be easy to cause aerosol concentration measurement inaccuracy, finally influences testing result;And High-precision quantitative transmission equipment needs import and price is very expensive.
Utility model content
To solve deficiency in the prior art, the utility model provides a kind of spray drying formula standard dust aerosol generation And calibration equipment, the utility model use direct- action wind tunnel, complete machine modularized design, structure is simple, intelligence degree is high, significantly Improve dust aerosol stability of concentration, operational safety and the service efficiency of testing staff.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
The utility model provides a kind of spray drying formula standard dust aerosol and occurs and calibration equipment, including suspension stirs Mix device, quantitative material feeder, spray-drying installation, direct- action wind tunnel calibration equipment and control module;
The spray-drying installation includes spraying device and drying device;
Wherein, the spraying device includes air compressor machine, the first admission line connecting with the air compressor machine and is located at described Two fluid hydrocone type nozzles of the first admission line end;
The drying device includes the explosion-proof air blower for being sequentially connected in series setting, turbine flowmeter, heat gun, hot-air distributor And hothouse;
The first aerosol outlet is arranged in the hothouse bottom;The first aerosol outlet connection direct- action wind tunnel verification Device;
The two fluids hydrocone type nozzle is arranged at the top of the hothouse, is connected to the hothouse;The hot wind point Orchestration is arranged on the outside of the two fluids hydrocone type nozzle, is connected to the hothouse;
The suspended alloy melt stirring device includes blender, barrel and conveyance conduit;
The quantitative material feeder include be sequentially connected in series be arranged on the conveyance conduit high-precision measuring pump and it is hydraulic The outlet of sensor, the conveyance conduit connects the two fluids hydrocone type nozzle.
Further, the spray drying formula standard dust aerosol occurs and calibration equipment further includes setting described the Mixing output device between one aerosol outlet and direct- action wind tunnel calibration equipment;
The output device that mixes further includes mixing case, first stirring blade for mixing bottom portion being arranged in and is used for Drive the fire-proof motor of first stirring blade;The outside for mixing case is arranged in the fire-proof motor;
The first aerosol entrance is arranged in the mixing lower box part, is connected to first aerosol outlet, the mixing case Top is provided with the second aerosol outlet, is connect by heat traced hoses with the direct- action wind tunnel calibration equipment.
The utility model carries out control by the suspended flow quantity that control enters system and dust aerosol concentration occurs, in turn The dust aerosol of a steady concentration is provided for direct- action wind tunnel calibration equipment.
Further, the spray drying formula standard dust aerosol occurs and calibration equipment further includes explosion-protection equipment, institute Stating explosion-protection equipment includes the second air inlet pipe being connected to the air compressor machine, second air inlet pipe and the first aerosol entrance Connection;Electrostatic generator is provided in second air inlet pipe.
Further, the spray drying formula standard dust aerosol occurs and calibration equipment further includes clean and reuse dress It sets;
The clean and reuse device includes drying box, the clear water holding vessel connecting with the quantitative material feeder pipeline, sets It sets the pneumatic hammer in the dry chamber outer wall, the peristaltic pump that is arranged in below the hothouse and connect with the peripump tubing Evaporating dish, the evaporating dish are arranged inside the drying box.
Further, the direct- action wind tunnel calibration equipment includes the taper diffusion being connected to second aerosol outlet Cover and the stirring motor being arranged on the diffusion shell and the second stirring blade being connect with the stirring motor, the expansion Scattered cover is also connected with single flow air duct, and probe tube is provided on the single flow air duct, and the setting of single flow air duct end is opened Mouthful, for conveying the dust aerosol formed.
Further, the detection of the first aerosol concentration is respectively arranged on the hothouse, mixing case and single flow air duct Instrument, the second aerosol concentration detector and third aerosol concentration detector.
Further, the hothouse lower inside is provided with temperature sensor, for detecting the first aerosol outlet temperature Degree, the temperature sensor are connect with the heat gun power conditioning module.
Further, the control module includes suspension feed rate control module, heat gun power conditioning module, dries Dry case temperature control modules and aerosol concentration real-time detection module.
Further, it is molten to connect the first aerosol concentration detector, the second gas for the aerosol concentration real-time detection module Gum concentration detector and third aerosol concentration detector, the concentration for each section dust aerosol in real-time monitoring device;
The suspension feed rate control module connects the high-precision measuring pump and third aerosol concentration detector; By receiving the detection signal of third aerosol concentration detector, aerosol concentration in determining device, once concentration is unstable, institute The input concentration that suspension feed rate control module pumps control suspension by adjusting high-precision measuring is stated, so that the gas generated Collosol concentration is uniform;
The heat gun power conditioning module connects the heat gun and temperature sensor, the heat gun power regulation mould Block receives the temperature signal of the temperature sensor, determines the drying regime of aerosol, if leading to aerosol because temperature is too low To be completely dried, then the heat gun power conditioning module adjusts the power of the heat gun, so that intake air temperature further rises Height, to guarantee that aerosol is completely dried;
Further, the drying box temperature control modules connect the drying box, for evaporation inside the drying box The drying of liquid in ware.
Further, it is sequentially connected in series on first admission line and is provided with the first high efficiency particulate air filter, first point of water considers gas Device, the first pressure regulator valve and the first electromagnet cut off valve;
The explosion-proof air blower front end, which is sequentially connected in series, is provided with the second high efficiency particulate air filter and second point of water worry gas device;
It is sequentially connected in series in second air inlet pipe and is provided with third high efficiency particulate air filter, third divides water to consider gas device, third pressure regulation Valve, third electromagnet cut off valve and the electrostatic generator;
Be provided with the 4th electromagnet cut off valve between the clear water holding vessel and the quantitative material feeder, the peristaltic pump with The 5th electromagnet cut off valve is provided between the hothouse.
Further, the hothouse lower inside is provided with temperature sensor, for detecting the first aerosol outlet temperature Degree, the temperature sensor are connect with the heat gun power conditioning module.
Preferably, the pipeline of the utility model is all made of silica gel hose or 306 stainless steel tubes.
Compared with prior art, the utility model has the following beneficial effects:
The utility model controls high-precision measuring pump by aerosol concentration detector Real-time Monitoring Data and enters two fluids Hydrocone type nozzle reduction of feed volume, while spray drying temperature is detected using K-type thermocouple, adjust automatically high-power hot air gun heats function Rate.Electromagnet cut off valve opening and closing, which is adjusted, by control module realizes auto spraying, automatic mixing, automatic stirring, automatic cleaning;It utilizes Hot-air distributor hot wind efficiently mixes hot wind with spraying, shortens drying time, avoids moist dust spray indoor in heating Surface.Using electromagnetic mixing apparatus, suspension mixing effect can be adjusted by adjusting magnetic stirrer input voltage.
The utility model is equipped with explosion-protection equipment, and the grain that opposite charges is had with dust aerosol is generated by electrostatic generator Son can effectively neutralize the charge inside dust aerosol after being dust aerosol mixing, improve security protection;This is practical New device is also equipped with Mead-Bauer recovery system, and the waste liquid after cleaning with dust is by having oven heat in peristaltic pump sucking oven Powder is dried to continue with.The structure of the detecting device is simple, low in cost, and intelligence degree is high, is greatly improved dust utilization Rate and dust aerosol stability of concentration have extensive application value.
Detailed description of the invention
Fig. 1 is the generation of spray drying formula standard dust aerosol and calibration equipment structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the hot-air distributor of the utility model;
Arrow is the flow direction of gas, liquid either dust aerosol in figure.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing And specific embodiment is described in detail." preceding " is in the direction flowed through at first in the utility model with gas or liquid.
The utility model provides a kind of spray drying formula standard dust aerosol and occurs and calibration equipment, such as Fig. 1-2, including Suspended alloy melt stirring device, quantitative material feeder, spray-drying installation, direct- action wind tunnel calibration equipment and control module;
Spray-drying installation includes spraying device and drying device;
Wherein, spraying device include pneumatics 1, the first admission line 1-1 being connect with air compressor machine 1 and be located at the first air inlet pipe Two fluid hydrocone type nozzles 23 of the road end 1-1, two fluid hydrocone type nozzles 23 include that air inlet connecting mouth 14 and feed liquor connect mouth 13, the One admission line 1-1 is connect with air inlet connecting mouth 14;
Drying device includes the explosion-proof air blower 9 for being sequentially connected in series setting, turbine flowmeter 10, heat gun 11, hot wind distribution Device 12 and hothouse 24;
The first aerosol outlet 51 is arranged in 24 bottom of hothouse;First aerosol outlet 51 is connected to direct- action wind tunnel verification dress It sets;
The setting of two fluid hydrocone type nozzles 23 is connected at 24 top of hothouse with hothouse 24;Hot-air distributor 12 is arranged In two fluid hydrocone type nozzles, 23 outside, it is connected to hothouse 24;
Suspended alloy melt stirring device includes blender 17, barrel 18 and conveyance conduit 52;
Quantitative material feeder includes being sequentially connected in series the high-precision measuring pump 20 and hydraulic sensing being arranged on conveyance conduit 52 The outlet connection feed liquor of device 21, conveyance conduit 52 connects mouth 13.
The utility model is uniformly mixed suspension by suspended alloy melt stirring device, then by defeated by control module Signal control high-precision measuring revolution speed is out to obtain the material liquid volume into two fluid hydrocone type spray heads;Pass through spraying device The high speed and high pressure air-flow of formation takes suspension out of, and breaks up and to be formed by spraying;By heat produced by heat gun by explosion-proof air blower It generates air quantity and brings hot-air distributor into, the Fire-check keys that the spray cone and hot-air distributor that two fluid hydrocone type nozzles generate generate Shape hot wind cocurrent flows into hothouse, realizes the drying of droplet, obtains relatively stable dust aerosol, is gone out by the first aerosol Mouth is delivered to direct- action wind tunnel calibration equipment, realizes the verification of dust aerosol concentration.
In one embodiment of the utility model, agitating device is magnetic stirrer 17, internal magnetization rotor after energization High speed rotation drives stirrer high speed rotation in barrel 18 under the magnetic force, configured suspension is stirred evenly.
In another embodiment of the utility model, agitating device is mechanical stirring, as long as it is practical new to can be realized this The agitating mode for making suspension uniformly mixed in type is applicable in the utility model, and this is no longer going to repeat them.
Further, it is provided with spray head mounting groove on hot-air distributor 12, for installing spray head mounting blocks 55, two fluid rainbows Suction spray head 23 is mounted on inside spray head mounting blocks 55, and spray head mounting blocks 55 are in back taper, and inner hollow, bottom opening is suspended When liquid sprays, the spray area of taper is formed;12 boring of hot-air distributor, lower part are inverted cone-shaped structure, hot-air distributor 12 bottoms and 55 bottom of spray head mounting blocks flush, and 12 bottom opening diameter of hot-air distributor is opened slightly larger than 55 bottom of spray head mounting blocks The diameter of mouth, hot wind enter hothouse by the gap between 12 bottom of hot-air distributor and spray head mounting blocks 55, are similarly formed cone The spray area of shape realizes comprehensive drying of droplet.
Further, spray drying formula standard dust aerosol occurs and calibration equipment further includes being arranged in the first aerosol Mixing output device between outlet 51 and direct- action wind tunnel calibration equipment;Mixing output device further includes mixing case 37, setting Fire-proof motor 35 mixing the first stirring blade 36 of 37 bottom of case and for driving the first stirring blade 36;Fire-proof motor 35 The outside for mixing case 37 is set;It mixes 37 lower part of case and the first aerosol entrance 53 is set, be connected to the first aerosol outlet 51, It mixes 37 top of case and is provided with the second aerosol outlet 54, connect by heat traced hoses 44 with direct- action wind tunnel calibration equipment.By The dried dust aerosol that spray-drying installation generates, which enters, mixes case 37, and fire-proof motor 35 drives 36 high speed of the first stirring blade Rotation will enter dust gas and hold glue stirring even concentration, then be flowed out by second aerosol outlet on 37 top of mixing case.
Further, spray drying formula standard dust aerosol occurs and calibration equipment further includes explosion-protection equipment, explosion-proof dress The second air inlet pipe 1-2 including being connected to air compressor machine 1 is set, the second air inlet pipe 1-2 is connected to the first aerosol entrance 53;Second into Electrostatic generator 39 is provided on tracheae 1-2.It provides air-flow by air compressor machine 1 particle that electrostatic generator 39 generates is taken out of and taken Band dust aerosol air-flow mixes, and the particle band electrical properties and dust aerosol are electrically charged on the contrary, dust can be neutralized efficiently The charge of aerosol, prevents dust explosion.
Further, spray drying formula standard dust aerosol occurs and calibration equipment further includes clean and reuse device;Clearly It washes clear water holding vessel 15 that recyclable device includes drying box 28, connect with quantitative material feeder pipeline, be arranged outside hothouse 24 The pneumatic hammer 25 of wall, the dust holding tank 56 that 24 bottom of hothouse is set, the peristaltic pump 31 being connected to dust holding tank 56 and with The evaporating dish 30 of 31 pipeline of peristaltic pump connection, evaporating dish 30 are arranged inside drying box 28, and resistance wire is arranged inside drying box 28 29.When cleaning, the pneumatic hammer 25 positioned at 24 outer wall of hothouse taps 24 side wall of hothouse, will be adsorbed on the powder on 24 side wall of hothouse Dirt abate is to dust holding tank 56;Then suspension is replaced using the clear water in clear water holding vessel 15, is sprayed through two fluid hydrocone types First 23 spray clear water in 24 inner surface of hothouse, and 24 inner surface of hothouse attachment dust is rinsed and flows into dust holding tank 56, And be sent in evaporating dish 30 by peristaltic pump 31, dry powdered dust is obtained through the drying of oven 28, stays and uses it for anything else.
Further, direct- action wind tunnel calibration equipment include the taper diffusion shell 45 being connected to the second aerosol outlet 54, And the stirring motor 46 being arranged on diffusion shell 45 and the second stirring blade 47 connecting with stirring motor 46, diffusion shell 45 are gone back It is connected with single flow air duct 48, probe tube 50 is provided on single flow air duct 48, setting opening in 48 end of single flow air duct is used for Convey the dust aerosol formed.Glue is held by the dust gas that mixing case 37 stirs evenly and enters single flow air duct through heat traced hoses 44 Needing to break up through 45 inside agitator arm 47 of diffusion shell before 48 makes it be evenly distributed on entire duct cross-section, the dust gas of even concentration Colloidal sol flows through single flow air duct 48, and probe tube 50 is connect with dust instrument to be measured.
Further, the first aerosol concentration detector 27 is provided in the middle part of hothouse 24;
It mixes and is provided with the second aerosol concentration detector 38 in the middle part of case 37;
The middle part in single flow air duct 48 is provided with third aerosol concentration detector 49;
Above-mentioned aerosol concentration detector is capable of the concentration of the aerosol of real-time monitoring formation, and will test signal and be transmitted to Control module, convenient for observe in real time formation dust aerosol stability, if formed aerosol concentration do not meet detection mark Standard, then control module controls suspended alloy melt stirring device, quantitative material feeder, spray-drying installation, direct- action wind tunnel calibration equipment Increase or reduce the concentration of aerosol Deng part.
Further, 24 lower inside of hothouse is provided with temperature sensor 26, it is preferred that temperature sensor 26 is K-type Thermocouple, for detecting 51 temperature of the first aerosol outlet, temperature sensor 26 is connect with heat gun power conditioning module, temperature Sensor 26 will test temperature data and be transmitted to heat gun power conditioning module, according to the first aerosol outlet temperature, adjust heat The watt level of air pressure gun 11 realizes the abundant drying of 24 inside droplet of hothouse, forms the stable dust aerosol of concentration.
Further, control module includes suspension feed rate control module, heat gun power conditioning module, drying box Temperature control modules and aerosol concentration real-time detection module.Specifically, controller chip is set inside control module, it is chip-shaped Number be ZR1305.
Further, suspension feed rate control module connection high-precision measuring pump 20 and the detection of third aerosol concentration Instrument 49;The revolving speed that high-precision measuring pump 20 is controlled by 49 feedback signal of third aerosol concentration detector, realizes suspended liquid stream The control of amount, and then control the concentration of the aerosol formed;
Further, heat gun power conditioning module connection heat gun 11 and hothouse lower inside temperature sensor 26, The size of heat gun power is controlled by 26 feedback signal of hothouse lower inside temperature sensor;
Further, drying box temperature control modules connect drying box 28, for liquid in 28 internal boat 30 of drying box The drying of body;
Further, aerosol concentration real-time detection module connects the first aerosol concentration detector 27, the second aerosol Concentration detector 38 and third aerosol concentration detector 49, in real-time monitoring device each section dust aerosol it is dense Degree.
Further, be sequentially connected in series on the first admission line be provided with 3, first points of water of the first high efficiency particulate air filter consider gas devices 4, First pressure regulator valve 5 and the first electromagnet cut off valve 6;Explosion-proof air blower front end, which is sequentially connected in series, is provided with the second high efficiency particulate air filter 7 and Two water-separating gas filters 8;It is sequentially connected in series in second air inlet pipe and is provided with third high efficiency particulate air filter 43, third divides water to consider gas device 42, the Three pressure regulator valves 41, third electromagnet cut off valve 40 and electrostatic generator 39;It is arranged between clear water holding vessel 15 and quantitative material feeder There is the 4th electromagnet cut off valve 16, the 5th electromagnet cut off valve 32 is provided between peristaltic pump 31 and dry dust holding tank 56.Efficient mistake Filter and water-separating gas filter can filter gas, so that cleaning gas, drying;Pressure regulator valve can adjust admission pressure;Control mould Block adjusts electromagnet cut off valve opening and closing, can be realized auto spraying, automatic mixing, automatic stirring, automatic cleaning.
Preferably, air compressor machine 1 is connected to the first admission line 1-1 and the second air inlet pipe 1-2 by the first gas circuit threeway 2;Clearly It is connected between water store tank 15 and quantitative material feeder by the first fluid path threeway 19;Electrostatic generator 39 enters with the first aerosol It is connected between mouth and the first aerosol outlet 51 by the second gas circuit threeway 34, each section is easy for installation, saves pipeline.
In summary, the spray drying formula standard dust aerosol of the utility model occur and calibration equipment structure it is simple, Intelligence degree is high, substantially increases dust aerosol stability of concentration, operational safety and the service efficiency of testing staff, leads to Dust concentration detection in over sampling pipe, compared with the aerosol concentration detector in device, the verification of realization device is solved The problems such as dust loss amount is big when preparing aerosol in the prior art, concentration is difficult to stabilization, lasting time of origin is shorter.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement It also should be regarded as the protection scope of the utility model with retouching.

Claims (10)

1. a kind of spray drying formula standard dust aerosol occurs and calibration equipment, which is characterized in that stir and fill including suspension It sets, quantitative material feeder, spray-drying installation, direct- action wind tunnel calibration equipment and control module;
The spray-drying installation includes spraying device and drying device;
Wherein, the spraying device include air compressor machine, the first admission line being connect with the air compressor machine and be located at described first Two fluid hydrocone type nozzles of admission line end, the two fluids hydrocone type nozzle include that air inlet connecting mouth and feed liquor connect mouth, institute The first admission line is stated to connect with the air inlet connecting mouth;
The drying device includes the explosion-proof air blower for being sequentially connected in series setting, turbine flowmeter, heat gun, hot-air distributor and does Dry room;
The first aerosol outlet is arranged in the hothouse bottom;The first aerosol outlet connection direct- action wind tunnel verification dress It sets;
The two fluids hydrocone type nozzle is arranged at the top of the hothouse, is connected to the hothouse;The hot-air distributor It is arranged on the outside of the two fluids hydrocone type nozzle, is connected to the hothouse;
The suspended alloy melt stirring device includes blender, barrel and conveyance conduit;
The quantitative material feeder includes being sequentially connected in series the high-precision measuring pump and hydraulic sensing being arranged on the conveyance conduit Device, the outlet of the conveyance conduit connect the feed liquor and connect mouth.
2. spray drying formula standard dust aerosol according to claim 1 occurs and calibration equipment, which is characterized in that institute It states the generation of spray drying formula standard dust aerosol and calibration equipment further includes being arranged in first aerosol outlet and direct current Mixing output device between formula wind-tunnel calibration equipment;
The output device that mixes includes mixing case, first stirring blade for mixing bottom portion being arranged in and for driving State the fire-proof motor of the first stirring blade;The outside for mixing case is arranged in the fire-proof motor;
The first aerosol entrance is arranged in the mixing lower box part, is connected to first aerosol outlet, the mixing upper box part It is provided with the second aerosol outlet, is connect by heat traced hoses with the direct- action wind tunnel calibration equipment.
3. spray drying formula standard dust aerosol according to claim 2 occurs and calibration equipment, which is characterized in that institute It states the generation of spray drying formula standard dust aerosol and calibration equipment further includes explosion-protection equipment;The explosion-protection equipment include with it is described Second air inlet pipe of air compressor machine connection, second air inlet pipe are connected to the first aerosol entrance;Second air inlet pipe On be provided with electrostatic generator.
4. spray drying formula standard dust aerosol according to claim 3 occurs and calibration equipment, which is characterized in that institute It states the generation of spray drying formula standard dust aerosol and calibration equipment further includes clean and reuse device;
The clean and reuse device include drying box, the clear water holding vessel being connect with the quantitative material feeder pipeline, setting exist The pneumatic hammer of the dry chamber outer wall, the peristaltic pump being arranged in below the hothouse and the evaporation being connect with the peripump tubing Ware, the evaporating dish are arranged inside the drying box.
5. spray drying formula standard dust aerosol according to claim 4 occurs and calibration equipment, which is characterized in that institute Direct- action wind tunnel calibration equipment is stated to include the taper diffusion shell being connected to second aerosol outlet and be arranged in the expansion The second stirring blade for dissipating the stirring motor on cover and connecting with the stirring motor, the diffusion shell are also connected with single flow wind Road is provided with probe tube, single flow air duct end setting opening, for convey the dust of formation on the single flow air duct Aerosol.
6. spray drying formula standard dust aerosol according to claim 5 occurs and calibration equipment, which is characterized in that institute It states and is respectively arranged with the first aerosol concentration detector, the inspection of the second aerosol concentration on hothouse, mixing case and single flow air duct Survey instrument and third aerosol concentration detector.
7.-the 6 any generation of spray drying formula standard dust aerosols and calibration equipment according to claim 1, feature It is, the control module includes suspension feed rate control module, heat gun power conditioning module, the control of drying box temperature Module and aerosol concentration real-time detection module.
8. spray drying formula standard dust aerosol according to claim 7 occurs and calibration equipment, which is characterized in that institute It states aerosol concentration real-time detection module and connects the first aerosol concentration detector, the second aerosol concentration detector and third gas Collosol concentration detector;The suspension feed rate control module connects the high-precision measuring pump and aerosol concentration is real-time Detection module;The heat gun power conditioning module connects the heat gun;Drying box temperature control modules connect drying box.
9. spray drying formula standard dust aerosol according to claim 5 occurs and calibration equipment, which is characterized in that institute It states to be sequentially connected in series on the first admission line and is provided with the first high efficiency particulate air filter, first point of water worry gas device, the first pressure regulator valve and first Electromagnet cut off valve;
The explosion-proof air blower front end, which is sequentially connected in series, is provided with the second high efficiency particulate air filter and second point of water worry gas device;
It is sequentially connected in series in second air inlet pipe and is provided with third high efficiency particulate air filter, third divides water to consider gas device, third pressure regulator valve, the Three electromagnet cut off valve and the electrostatic generator;
Be provided with the 4th electromagnet cut off valve between the clear water holding vessel and the quantitative material feeder, the peristaltic pump with it is described The 5th electromagnet cut off valve is provided between hothouse.
10. spray drying formula standard dust aerosol according to claim 9 occurs and calibration equipment, which is characterized in that The hothouse lower inside is provided with temperature sensor, for detecting the first aerosol outlet temperature;The heat gun power Adjustment module is connect with the temperature sensor.
CN201821441759.3U 2018-09-04 2018-09-04 A kind of spray drying formula standard dust aerosol occurs and calibration equipment Withdrawn - After Issue CN208860704U (en)

Priority Applications (1)

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CN201821441759.3U CN208860704U (en) 2018-09-04 2018-09-04 A kind of spray drying formula standard dust aerosol occurs and calibration equipment

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Application Number Priority Date Filing Date Title
CN201821441759.3U CN208860704U (en) 2018-09-04 2018-09-04 A kind of spray drying formula standard dust aerosol occurs and calibration equipment

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109060620A (en) * 2018-09-04 2018-12-21 青岛众瑞智能仪器有限公司 A kind of spray drying formula standard dust aerosol occurs and calibration equipment
CN110672937A (en) * 2019-09-18 2020-01-10 北京农业智能装备技术研究中心 Atomization efficiency evaluation method and device of electric atomizer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109060620A (en) * 2018-09-04 2018-12-21 青岛众瑞智能仪器有限公司 A kind of spray drying formula standard dust aerosol occurs and calibration equipment
CN109060620B (en) * 2018-09-04 2024-01-19 青岛众瑞智能仪器股份有限公司 Spray drying type standard dust aerosol generation and verification device
CN110672937A (en) * 2019-09-18 2020-01-10 北京农业智能装备技术研究中心 Atomization efficiency evaluation method and device of electric atomizer
CN110672937B (en) * 2019-09-18 2021-08-03 北京农业智能装备技术研究中心 Atomization efficiency evaluation method and device of electric atomizer

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Inventor after: Liu Chao

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Inventor after: Song Shugu

Inventor after: Liu Kai

Inventor after: Cao Lijie

Inventor after: Wang Xiaochan

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Address after: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong

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Granted publication date: 20190514

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Granted publication date: 20190514

Effective date of abandoning: 20240119