CN108497526A - For normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable and its application - Google Patents
For normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable and its application Download PDFInfo
- Publication number
- CN108497526A CN108497526A CN201810424028.6A CN201810424028A CN108497526A CN 108497526 A CN108497526 A CN 108497526A CN 201810424028 A CN201810424028 A CN 201810424028A CN 108497526 A CN108497526 A CN 108497526A
- Authority
- CN
- China
- Prior art keywords
- spouted
- low frequency
- bed dryer
- frequency microwave
- drying
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
- A23N12/12—Auxiliary devices for roasting machines
- A23N12/125—Accessories or details
Abstract
The present invention relates to a kind of for the spouted drying device of normal pressure ultrasonic atomizatio low frequency microwave pulse of conditioning fruit-vegetable and its application, belongs to agricultural product and food drying processing technology and mechanized equipment manufacturing field.Its nutsch filter used is connect with pressure fan, and pressure fan is connect with heat exchanger, and heat exchanger connect spouted-bed dryer bottom with ultrasonic atomizer by air inlet pipe；Spouted-bed dryer lower part interlayer is connect through dehumidifier wind turbine with heat exchanger, and spouted-bed dryer is also connect with air reservoir, and air reservoir is connect with air compressor；The spouted-bed dryer upper end is connect with low frequency microwave source, and low frequency microwave source is connect with switch board.The present invention improves conditioning fruit-vegetable drying efficiency using ultrasonic atomizatio, low frequency microwave, pulse spouted bed fusion drying mode, shortening drying time, reduction energy consumption for drying, promotes drying quality, the problems such as high sugar conditioning fruit-vegetable dries adhesion, quality is low and time-consuming and laborious is solved, realizes the high-quality drying of conditioning fruit-vegetable material normal-pressure efficient energy-saving.
Description
Technical field
The normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse that the present invention relates to a kind of for conditioning fruit-vegetable and its
Using, be suitable for various conditioning fruit-vegetable high-efficiency high-qualities drying processing, belong to agricultural product and food drying processing technology with machinery fill
Standby manufacturing field.
Background technology
Current agricultural product and food convective airflow drying technology and equipment relative maturity.Utilize microwave radiation technology normal pressure hot air drying
Dry technology and equipment are an important directions for promoting conventional atmospheric fruit and vegetable dryness processing industry.Microwave radiation technology heated-air drying can
Heat transfer resistance is eliminated, rate of drying is improved, shortens drying time, reaches efficient, energy-efficient purpose.But microwave radiation technology
Heated-air drying is only 50%-60% there are the heterogeneity key technical problem of highly significant, the dry products uniformity, is handled again
Cost greatly improve.In addition, non-fried conditioning fruit-vegetable drying processing have become the development of snack food processing industry it is important become
Gesture.Traditional fruits and vegetables conditioning pretreatment uses simple hybrid mode before dry process, some high sugar, high viscosity are seasoned
Liquid leads to dry process product adhesion, caking, percentage of damage height, quality deterioration, time-consuming and laborious.In recent years, it takes off
Fruit vegetable products export is increasingly competitive, and there is tight demand in international market to the drying fruits and vegetables of high-quality, low cost.Some grind
Study carefully discovery, low frequency microwave（915MHz）With high-frequency microwave（2450MHz）It compares, has penetration capacity strong, it is equal to improve dry products
Evenness improves the advantages such as dry products working ability.The present invention by ultrasonic atomizatio, low frequency microwave, the spouted fusion drying of pulse,
Not only conditioning fruit-vegetable drying process adhesion problems had been solved, but also have realized the energy-efficient evenly drying of fruits and vegetables.Compared with traditional heated air drying,
The conditioning fruit-vegetable drying finished product uniformity of the present invention reaches 90% or more, energy saving 40% or more, realizes that fruits and vegetables are really efficient, energy saving, low
Cost and high-quality drying.
Li Xiangli, Liu Jing, Zhu Jiubin, Wei Haixiang（2016）It is practical new to disclose " hot wind-microwave vegetable drying equipment "
Type patent（Number of patent application 201621068692.4）.The patent equipment includes hothouse, blast pipe and outlet housing, and microwave occurs
Device is mounted on dry chamber interior walls, and blast pipe is equipped with heater, and vegetable drying pallet is connected with vibration motor.The patent is using machinery
Mode of vibration improves hot wind and the uniformity of the microwave in vegetables, since material vibrating intensity is low and microwave field non-uniform Distribution,
This mode can not achieve material spatial movement, it is difficult to solve dry products homogeneity question.In addition, the patent is suitble to not need
Conditioning liquid pre-processes or the vegetable drying of low sugar conditioning liquid, and for the high pretreated dehydrated vegetables of sugar, which cannot solve
The problems such as product adhesion is lumpd.Present invention be distinguished in that uniform using the spouted realization fruit and vegetable dryness of low frequency microwave pulse
Property；Using conditioning liquid ultrasonic atomizatio, atomized drop is contacted with dry fruit and vegetable surfaces, passes through the spouted drying of low frequency microwave pulse, solution
It has determined the adhesion sex chromosome mosaicism of fruit and vegetable dryness.
Yin takes leave（2013）Disclose " a kind of ultrasonic microwave associated with vacuum drying system " utility model patent（Patent
Application number 201320576400.8）.Ultrasonic atomization is combined by the patent with micro-wave vacuum, is done to liquid material
Dry, feed liquid is atomized under ul-trasonic irradiation enters drying box, then passes through microwave generator heat drying.The patent is suitable for liquid
State material convection drying.Present invention be distinguished in that dry object is fruits and vegetables, ultrasonic atomizatio effect is applied to baste
Atomization makes atomized drop be contacted with dry fruit and vegetable surfaces, by the spouted drying of low frequency microwave pulse, solves the viscous of fruit and vegetable dryness
Even sex chromosome mosaicism.
The rivers Wang Yu, Min, Cui Zhengwei, Wang Bo etc.（Patent authorization number ZL201510352097.7）It discloses a kind of for liquid
Method state material ultrasonic atomization pulse spouted microwave vacuum drying device and its be dried, the patent use ultrasonic atomizatio
It substitutes traditional centrifugation and pressure atomizer carries out the micro-wave vacuum of liquid material.Present invention be distinguished in that dry
Object is fruits and vegetables, so that baste is atomized using ultrasound, and atomized drop is contacted with dry fruit and vegetable surfaces, passes through normal pressure low frequency microwave arteries and veins
Spouted drying is rushed, solves the adhesion sex chromosome mosaicism of fruit and vegetable dryness.
Min, Sun Jincai, Zhong Qifeng, face are big strong etc.（Number of patent application 200810244418.1）Disclose raising graininess
The sprouted auxiliary means of fruits and vegetables microwave desiccation homogeneity carry out the spouted drying of microwave using two class airflow fields, contain after product drying
Water is below 6%.The patent is suitble to not need the vegetable drying of conditioning liquid pretreatment or low sugar conditioning liquid, for high sugar
The problems such as pretreated dehydrated vegetables, which cannot solve product adhesion caking.Present invention be distinguished in that using adjusting
Liquid ultrasonic atomizatio is managed, atomized drop is contacted with dry fruit and vegetable surfaces, and by the spouted drying of low frequency microwave pulse, it is dry to solve fruits and vegetables
Dry adhesion sex chromosome mosaicism.
Zheng Dandan, Min, Huang Jiapeng, Zhang Weiming etc.（Number of patent application CN201510654273.2）It is normal to disclose for three stages
The method that the pressure spouted drying of microwave quickly prepares crisp fruit and vegetable grains, the patent use three stage atmospheric pressure microwaves（Frequency is 2450MHz）
Spouted drying can realize requirement that is energy saving and shortening the time compared with hot wind and single stage microwave.The difference of the present invention
It is in using the spouted drying of low frequency microwave pulse and ultrasonic atomizatio, not only solves the uniform drying of dry fruits and vegetables, improve
Dry working ability also solves adhesion in conditioning fruit-vegetable drying process, the problems such as quality is low and time-consuming and laborious.
Xie Jiansong, red legend have carried out Ultrasonic spraying and have protected the research of color peony freeze-dried test（Dry technology and equipment,
2009, the 7th（1）：19-22）.The research will protect color solution ultrasonic atomizatio before freeze-drying, be carried out at spraying color protection to peony
Then reason carries out vacuum freeze drying to processed peony.The present invention's is a difference in that ultrasonic mist in the drying process
Change drop to contact with dry fruit and vegetable surfaces, by the spouted drying of low frequency microwave pulse, solves the adhesive of normal pressure fruit and vegetable dryness
Problem.
Wei Jingchen carries out the small spraying drying device design studies based on ultrasonic atomizer（Nanjing Aero-Space University is large
Scholar's paper, 2017）The paper has developed miniature ultrasonic atomisation drying experimental device, the device using ultrasonic ultrasonic delay line memory
The function of microparticle reunion can be eliminated.Present invention be distinguished in that using ultrasonic atomizatio effect, make baste atomized liquid
Drop is contacted with dry fruit and vegetable surfaces, then by the spouted drying of low frequency microwave pulse, solves the adhesion sex chromosome mosaicism of fruit and vegetable dryness.
In short, the normal pressure ultrasonic atomizatio of conditioning fruit-vegetable-spouted drying device of low frequency microwave pulse and it is energy-efficient it is high-quality plus
Work method, is not reported at home, does not up to the present retrieve the paper of this respect in foreign countries yet and the patent present invention will
It is a kind of innovation, is filled up to this domestic technological gap.
Invention content
It is an object of the present invention to overcome the above deficiencies, provides a kind of in ultrasonic atomizatio, low frequency microwave and pulse spray
Conditioning fruit-vegetable atmospheric high efficiency, energy saving, inexpensive, high-quality drying are realized under dynamic bed cooperation condition, are used for the normal pressure of conditioning fruit-vegetable
Ultrasonic atomizatio-spouted drying device of low frequency microwave pulse and its application.
According to technical solution provided by the invention, a kind of normal pressure ultrasonic atomizatio-low frequency microwave pulse for conditioning fruit-vegetable
Spouted drying device, including nutsch filter, pressure fan, heat exchanger, ultrasonic atomizer, dehumidifier wind turbine, spouted-bed dryer, compression sky
Gas-reservoir tank, air compressor, low frequency microwave source and switch board；
The nutsch filter is connect with pressure fan, and pressure fan is connect with heat exchanger, and heat exchanger is connected with ultrasonic atomizer by air inlet pipe
Connect spouted-bed dryer bottom；Spouted-bed dryer lower part interlayer is connect through dehumidifier wind turbine with heat exchanger, spouted-bed dryer bottom
Portion is also connect with air reservoir, and air reservoir is connect with air compressor；The spouted-bed dryer upper end with it is low
Frequency microwave source connects, and low frequency microwave source is connect with switch board.
The drying device further includes solenoid valve；The pipeline being connect with ultrasonic atomizer is equipped with solenoid valve.
The drying device further includes that gas-solid separator, exhaust outlet, feed inlet, air inlet and discharging and go out switch, air inlet pipe
Expects pipe；
Exhaust outlet and gas-solid separator are equipped at the top of the spouted-bed dryer, gas-solid separator import is connect with exhaust outlet,
Gas-solid separator outlet connection spouted-bed dryer top interlayer；It is cut with discharging equipped with air inlet the spouted-bed dryer lower part
Parallel operation, air inlet are connect with air inlet pipe and discharge nozzle respectively with discharging switch；It is additionally provided with feed inlet on the spouted-bed dryer.
The drying device further includes the spouted valve of pulse；The air inlet pipe is connected by the spouted valve of pulse and air reservoir
It connects.
The drying device further includes microwave feedback mouth and waveguide；The spouted-bed dryer top is equipped with microwave and presents mouth, microwave
Feedback mouth is connect by waveguide with low frequency microwave source.
The switch board is for controlling whole system；Switch board respectively with pressure fan, ultrasonic atomizer, solenoid valve, dehumidifier
Wind turbine, exhaust outlet, air inlet are connect with discharging switch, the spouted valve of pulse, air compressor and low frequency microwave source.
The supersonic frequency of the ultrasonic atomizer is 1.0-100MHz, ultrasonic atomizatio element number 10 or more, atomization speed
In 0-50L/h, atomized liquid temperature is adjusted degree within the scope of 20-35 DEG C.
Spouted-bed dryer uses sandwich, thickness of interlayer 10-50mm.
The application of normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable：The fruits and vegetables are former
Material enters from feed inlet inside spouted-bed dryer, and fruits and vegetables are discharged from spouted-bed dryer bottom discharge nozzle after drying；Gas
Body distributor is fixed on air inlet pipe top, and air inlet pipe is integrally machined with discharge nozzle, is moved horizontally by air inlet and discharging switch
And move up and down, and realize that air inlet pipe replaces with discharge nozzle with spouted-bed dryer bottom and connect and sealing；
The conditioning liquid is atomized into droplet by ultrasonic atomizer, and droplet enters air inlet pipe, is mixed into hot-air at regular time and quantity
Enter spouted-bed dryer, is contacted with dry fruits and vegetables, low frequency microwave pulse is carried out under low frequency microwave source and the spouted valve action of pulse
Spouted drying；Gas from air reservoir enters spouted bed drying in a pulsed fashion by the spouted valve of pulse and air inlet pipe
Device；
In the spouted drying process of low frequency microwave pulse, the High Temperature Moist Air being discharged from spouted-bed dryer, through gas-solid separator
Into spouted-bed dryer interlayer, enters heat exchanger discharge through dehumidifier wind turbine, realize dry waste heat recovery；
In the spouted the later stage of drying of low frequency microwave pulse, pressure fan is automatic according to air humidity in spouted-bed dryer with dehumidifier wind turbine
Adjust running speed；The spouted valve of pulse enters spouted-bed dryer according to material spouting height automatic adjustment in spouted-bed dryer
Air velocity.
Beneficial effects of the present invention：The present invention is carried using ultrasonic atomizatio, low frequency microwave, pulse spouted bed fusion drying mode
Height conditioning fruit and vegetable dryness efficiency shortens drying time, reduces energy consumption for drying, promotes drying quality, solves high sugar conditioning fruit-vegetable
Dry adhesion, the problems such as quality is low and time-consuming and laborious, realize the high-quality drying of conditioning fruit-vegetable material normal-pressure efficient energy-saving.
The present invention improves drying efficiency, reduces energy expenditure：Low frequency microwave（915MHz）It is real with endogenous pyrogen characteristic
Existing material entirety heat drying and dried material water translocation direction are consistent with temperature gradient direction, eliminate heat transfer resistance；
The rapid evaporation of material internal moisture forms larger pressure difference in material inside and outside, accelerates moisture evaporation, improves rate of drying, contracting
Short drying time；It realizes dry waste heat recovery, reduces energy loss.
Improve the dry products uniformity and working ability：Low frequency microwave（915MHz）With high-frequency microwave（2450MHz）Phase
Than, there is higher penetration capacity, low frequency microwave combination pulse spouted bed technology can promote the uniformity of microwave drying product,
Improve dry products working ability.
Conditioning fruit-vegetable drying process time has been saved, labor intensity is reduced：It is produced in conventional atmospheric fruits and vegetables hot-air drying process
Product adhesion, poor quality, labor intensity are big, and drying is merged using baste ultrasonic atomizatio mode and low frequency microwave pulse spouted bed,
It realizes that drying process seasoning uniformly penetrates into dry products surface, solves traditional conditioning fruit-vegetable drying adhesion, caking, time-consuming and take
The problems such as power.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is circuit connection diagram of the present invention.
Reference sign：1, nutsch filter；2, pressure fan；3, heat exchanger；4, ultrasonic atomizer；5, solenoid valve；6, dehumidifier
Wind turbine；7, spouted-bed dryer；8, gas-solid separator；9, exhaust outlet；10, feed inlet；11, air inlet and discharging switch；12、
Air inlet pipe；13, discharge nozzle；14, the spouted valve of pulse；15, air reservoir；16, air compressor；17, microwave presents mouth；18、
Waveguide；19, low frequency microwave source；20, switch board.
Specific implementation mode
1 and Fig. 2 is described in further detail the specific implementation mode of the present invention below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1：A kind of normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable, including take out
Filter 1, pressure fan 2, heat exchanger 3, ultrasonic atomizer 4, dehumidifier wind turbine 6, spouted-bed dryer 7, air reservoir 15, air
Compressor 16, low frequency microwave source 19 and switch board 20；
The nutsch filter 1 is connect with pressure fan 2, and pressure fan 2 is connect with heat exchanger 3, heat exchanger 3 and ultrasonic atomizer 4 by into
Tracheae connects 7 bottom of spouted-bed dryer；7 lower part interlayer of spouted-bed dryer is connect through dehumidifier wind turbine 6 with heat exchanger 3, spouted
7 bottom of bed dryer is also connect with air reservoir 15, and air reservoir 15 is connect with air compressor 16；It is described spouted
7 upper end of bed dryer is connect with low frequency microwave source 19, and low frequency microwave source 19 is connect with switch board 20.
It further include solenoid valve 5；The pipeline being connect with ultrasonic atomizer 4 is equipped with solenoid valve 5.
Further include gas-solid separator 8, exhaust outlet 9, feed inlet 10, air inlet and discharging switch 11, air inlet pipe 12 and discharging
Pipe 13；
7 top of the spouted-bed dryer is equipped with exhaust outlet 9 and gas-solid separator 8,8 import of gas-solid separator and exhaust outlet 9
Connection, the outlet of gas-solid separator 8 connection 7 top interlayer of spouted-bed dryer；7 lower part of the spouted-bed dryer is equipped with air inlet
With discharging switch 11, air inlet is connect with air inlet pipe 12 and discharge nozzle 13 respectively with discharging switch 11；The spouted bed drying
Feed inlet 10 is additionally provided on device 7.
It further include the spouted valve of pulse 14；The air inlet pipe 12 is connect by the spouted valve 14 of pulse with air reservoir 15.
Further include microwave feedback mouth 17 and waveguide 18；7 top of the spouted-bed dryer is equipped with microwave and presents mouth 17, and microwave presents mouth
17 are connect by waveguide 18 with low frequency microwave source 19.
The supersonic frequency of ultrasonic atomizer 4 is 1.0-100MHz, and ultrasonic atomizatio element number 10 or more, atomization speed exists
0-50L/h, atomized liquid temperature are adjusted within the scope of 20-35 DEG C.
Spouted-bed dryer 7 uses sandwich, thickness of interlayer 10-50mm.
The course of work of the present invention：Fruit and vegetable materials enter from feed inlet 10 in spouted-bed dryer, after drying fruits and vegetables
It is discharged from spouted-bed dryer bottom discharge nozzle 13；Gas distributor is fixed on 12 top of air inlet pipe, both prevents low frequency microwave from letting out
Reveal and ensure that hot-air, atomized drop and spouted gas enter spouted-bed dryer 7 again, air inlet pipe 12 adds with 13 one of discharge nozzle
Work is moved horizontally and is moved up and down with discharging switch 11 by air inlet and realizes air inlet pipe 12 and discharge nozzle 13 and spouted bed drying
Alternately connection and the sealing of 7 bottom of device.
Conditioning liquid is atomized into droplet by ultrasonic atomizer 4, and droplet enters air inlet pipe 12, mixed with hot-air at regular time and quantity
It into spouted-bed dryer 7, contacts, is carried out in the case where low frequency microwave generator 19 and the spouted valve 14 of pulse act on low with dry fruits and vegetables
The spouted drying of frequency microwave pulse.In low frequency microwave drying process, the gas from air reservoir 15（0.5-1.0MPa）
Enter spouted-bed dryer 7 in a pulsed fashion by the spouted valve 14 of pulse and air inlet pipe 12, realizes that dry fruits and vegetables drying process is empty
Between three-dimensional motion, solve the problems such as normal pressure low frequency microwave dry products are uneven and adhesion.
In the spouted drying process of low frequency microwave pulse, the High Temperature Moist Air being discharged from spouted-bed dryer 7, through gas-solid
Separator 8 enters spouted 7 interlayer of drier, and entering heat exchanger 3 through dehumidifier extension set 6 is discharged, and realizes dry waste heat recovery.
In the spouted the later stage of drying of low frequency microwave pulse, pressure fan 2 is with dehumidifier wind turbine 6 according to empty in spouted-bed dryer chamber 7
Air humidity degree adjust automatically running speed；The spouted valve 14 of pulse according to material spouting height in spouted-bed dryer 7 automatically adjust into
Enter the air velocity of spouted-bed dryer 7.
Nutsch filter 1 is to remove the device for being sent into impurity in air in spouted drier 7, and pressure fan 2 is delivery of filtered purification
Air afterwards is to heat exchanger 3, and heat exchanger 3 is the device for heating air, and ultrasonic ultrasonic delay line memory 4 is the dress that baste is atomized into droplet
It sets, solenoid valve 5 controls time and the flow that droplet enters in spouted drier 7, and gas-solid separator 8 is that separation is pressed from both sides from exhaust outlet 9
The material of band, humid air after separation enter in 7 interlayer of spouted drier, and are heated to 7 internal chamber wall of spouted drier, from spouted
The humid air that 7 intraformational bed lower part of drier comes out is transported to heat exchanger 3 through dehumidifier wind turbine 6, is discharged after exchanging waste heat, feed inlet 10
Be wet stock enter spouted drier 7 entrance, air inlet 12 be hot-air, ultrasonic atomizatio drop and compressed air enter it is spouted
The channel of drier 7, the spouted valve 14 of pulse, which was controlled into the compressed air time of spouted drier 7 and flow, discharge port 13, is
Dried material equipped with distribution grid and is processed into an entirety from the channel that spouted drier 7 is discharged, air inlet 12 with discharge port 13,
Realization is moved horizontally and vertically moves with discharging switch 11 by air inlet to replace with spouted drier 7 and connect, drying process into
Gas port 12 is connect with spouted drier 7, and the dry discharge port 13 that terminates is connect with spouted drier 7, air reservoir 15 and sky
Press 16 provides the spouted gas of pulse, and low frequency microwave generator 19 encourages low frequency microwave, waveguide 18 to be transmitted with microwave feedback mouth 17 low
Frequency microwave needs energy to providing dry materials in spouted drier 7, and switch board 20 carries out the setting of technological parameter, detection and each
The operation of component controls（It is specific as shown in Figure 2）.
The switch board 20 is for controlling whole system；Switch board 20 respectively with pressure fan 2, ultrasonic atomizer 4, solenoid valve
5, dehumidifier wind turbine 6, exhaust outlet 9, air inlet and discharging switch 11, the spouted valve 14 of pulse, air compressor machine 16 and low frequency microwave source 19 connect
It connects.Wherein switch board 20 carries out start and stop to pressure fan 2 and rotating speed controls, and carries out start and stop to ultrasonic atomizer 4 and temperature controls, right
Solenoid valve 5 carries out start-up and shut-down control, carries out start and stop to dehumidifier wind turbine 6 and rotating speed controls, and Temperature and Humidity is carried out to exhaust outlet 9, right
Control is switched in air inlet and discharging switch 11, start-up and shut-down control is carried out to the spouted valve of pulse 14, air compressor machine 16 is opened
Stop and pressure controls, start and stop and power regulation are carried out to low frequency microwave source 19.
9 front end of the exhaust outlet is additionally provided with temperature and humidity inductor, and controller is connect with temperature and humidity inductor, and
The data that collecting temperature and humidity sensor detect.
Application Example 1
Improve cabbage normal pressure ultrasonic atomizatio-spouted drying means of low frequency microwave pulse
Take cleaning, cutting（10x10mm）Pretreated cabbage 5kg is put into spouted-bed dryer 7（Diameter 1000mm, height
1800mm）It is interior, air inlet and discharging switch 11 are opened before dry, it is ensured that air inlet pipe 12 is connect with 7 bottom of spouted-bed dryer.It opens
Dynamic low frequency microwave generator（WY5L-01）19, low frequency microwave is carried out to cabbage and heats blanching, temperature of charge setting value when blanching
It is 90 DEG C, pressure fan 2 is opened after 60s（HG-550S）Cabbage drying is carried out with dehumidifier wind turbine 6 (HG-750S), drying process is high
Beautiful 70 DEG C of dish temperature design value, microwave power is automatically continuously adjusted according to desired temperature, temperature of charge by fibre optical sensor into
Row detection, and in the drying process temperature value was recorded every 1 minute.
It is 20% glucose solution 10L to take mass concentration, is put into ultrasonic ultrasonic delay line memory 4 (20 ultrasonic atomizatio oscillators)
Interior, atomized liquid temperature sets 25 DEG C, opens 4 power switch of ultrasonic ultrasonic delay line memory.Open air compressor machine（OTS-600X2）16, compression
Air reservoir（Nonstandard, diameter 600mm, high 1200mm）15 design of pressure are 0.7-0.8MPa.When spouted-bed dryer is vented
9 humidity of mouth reach setting value（40%）When, the spouted valve 14 of pulse is opened, compressed air enters in spouted-bed dryer, makes cabbage
Spouted, pulse spouted 14 opening time of valve interval is set as 30s, and the opening time is set as 0.5s.As the row of spouted-bed dryer
9 humidity of gas port reaches setting value（35%）When, solenoid valve 5 is opened, atomized drop enters in spouted-bed dryer 7, connect with cabbage
Drying is touched, solenoid valve is divided into 10s, opening time 10s between 5 opening time.
After drying, stop air compressor 16, ultrasonic atomizer 4, the spouted valve 14 of pulse, low frequency microwave successively to occur
Source 19, pressure fan 2 and dehumidifier wind turbine 6 adjust air inlet and are switched with discharging switch 11, discharge nozzle 13 is made to connect spouted-bed dryer
Dry cabbage is collected in 7 lower parts.
Application Example 2
Carrot normal pressure ultrasonic atomizatio-low frequency microwave pulse spouted bed drying method
Take cleaning, cutting（8x8x8mm）Pretreated carrot 5kg is put into spouted-bed dryer 7（Diameter 1000mm, height
1800mm）It is interior, air inlet and discharging switch 11 are opened before being put into, it is ensured that air inlet pipe 12 and 7 lower curtate nozzle pair of spouted-bed dryer
It connects.Start low frequency microwave occurring source 19（WY5L-01）, blanching is heated to carrot low frequency microwave, temperature of charge setting value when blanching
It is 90 DEG C.Pressure fan 2 is opened after 90s（HG-550S）It is dried with 6 pairs of carrots of dehumidifier wind turbine (HG-750S), drying process
65 DEG C of carrot temperature design value, microwave power is automatically continuously adjusted according to desired temperature, and carrot temperature is by fibre optical sensor
It is detected, and recorded temperature value every 1 minute in the drying process.It is 15% glucose solution 10L to take mass concentration, is put
Enter in ultrasonic ultrasonic delay line memory 4 (20 ultrasonic atomizatio oscillators), atomized liquid temperature sets 25 DEG C, opens 4 power supply of ultrasonic ultrasonic delay line memory
Switch.Open air compressor 16（OTS-600X2）, air reservoir 15（Diameter 600mm, high 1200mm）Design of pressure
For 0.7-0.8MPa.
When 9 humidity of spouted-bed dryer exhaust outlet reaches setting value（35%）When, open the spouted valve 14 of pulse, compressed air
Into in spouted-bed dryer 7, keep carrot seed spouted, pulse spouted 14 opening time of valve interval is set as 20s, opening time
It is set as 0.5s.When 9 humidity of exhaust outlet of spouted-bed dryer 7 reaches setting value（30%）When, open solenoid valve 5, atomized drop
Into in spouted-bed dryer 7, with carrot seed contact drying, 5 opening time of solenoid valve interval is set as 15s, and the opening time sets
It is set to 15s.
After drying, stop air compressor 16, ultrasonic atomizer 4, the spouted valve 14 of pulse, low frequency microwave successively to occur
Source 19, pressure fan 2 and dehumidifier wind turbine 6 adjust air inlet and are switched with discharging switch 11, discharge port 13 is made to connect spouted-bed dryer
Dried carrot grain is collected in 7 lower parts.
Claims (9)
1. a kind of normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable, it is characterised in that：Including
Nutsch filter（1）, pressure fan（2）, heat exchanger（3）, ultrasonic atomizer（4）, dehumidifier wind turbine（6）, spouted-bed dryer（7）, compression
Air reservoir（15）, air compressor（16）, low frequency microwave source（19）And switch board（20）；
The nutsch filter（1）With pressure fan（2）Connection, pressure fan（2）With heat exchanger（3）Connection, heat exchanger（3）With ultrasonic atomizatio
Device（4）Spouted-bed dryer is connected by air inlet pipe（7）Bottom；Spouted-bed dryer（7）Lower part interlayer is through dehumidifier wind turbine（6）With
Heat exchanger（3）Connection, spouted-bed dryer（7）Bottom also with air reservoir（15）Connection, air reservoir（15）With
Air compressor（16）Connection；The spouted-bed dryer（7）Upper end and low frequency microwave source（19）Connection, low frequency microwave source（19）
With switch board（20）Connection.
2. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 1,
It is characterized in that：It further include solenoid valve（5）；Described and ultrasonic atomizer（4）The pipeline of connection is equipped with solenoid valve（5）.
3. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 1,
It is characterized in that：It further include gas-solid separator（8）, exhaust outlet（9）, feed inlet（10）, air inlet with discharging switch（11）, air inlet
Pipe（12）And discharge nozzle（13）；
The spouted-bed dryer（7）Top is equipped with exhaust outlet（9）And gas-solid separator（8）, gas-solid separator（8）Import with
Exhaust outlet（9）Connection, gas-solid separator（8）Outlet connection spouted-bed dryer（7）Top interlayer；The spouted-bed dryer
（7）Lower part is equipped with air inlet and discharging switch（11）, air inlet with discharging switch（11）Respectively with air inlet pipe（12）And discharge nozzle
（13）Connection；The spouted-bed dryer（7）On be additionally provided with feed inlet（10）.
4. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 3,
It is characterized in that：It further include the spouted valve of pulse（14）；The air inlet pipe（12）Pass through the spouted valve of pulse（14）With air reservoir
（15）Connection.
5. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 1,
It is characterized in that：It further include microwave feedback mouth（17）And waveguide（18）；The spouted-bed dryer（7）Top is equipped with microwave and presents mouth
（17）, microwave feedback mouth（17）Pass through waveguide（18）With low frequency microwave source（19）Connection.
6. according to the normal pressure ultrasonic atomizatio-spouted drying of low frequency microwave pulse for being used for conditioning fruit-vegetable described in one of claim 1-5
Device, it is characterised in that：The switch board（20）For controlling whole system；Switch board（20）Respectively with pressure fan（2）, ultrasound
Atomizer（4）, solenoid valve（5）, dehumidifier wind turbine（6）, exhaust outlet（9）, air inlet with discharging switch（11）, the spouted valve of pulse
（14）, air compressor（16）With low frequency microwave source（19）Connection.
7. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 1,
It is characterized in that：The ultrasonic atomizer（4）Supersonic frequency be 1.0-100MHz, ultrasonic atomizatio element number 10 or more, mist
Change speed in 0-50L/h, atomized liquid temperature is adjusted within the scope of 20-35 DEG C.
8. it is used for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable according to claim 1,
It is characterized in that：Spouted-bed dryer（7）Using sandwich, thickness of interlayer 10-50mm.
9. such as one of claim 1-8 for normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable
Using, it is characterised in that：The fruit and vegetable materials are from feed inlet（10）Into spouted-bed dryer（7）Inside, after drying fruit
Vegetable is from spouted-bed dryer（7）Bottom discharge nozzle（13）Discharge；Gas distributor is fixed on air inlet pipe（12）Top, air inlet pipe
（12）With discharge nozzle（13）It is integrally machined, passes through air inlet and discharging switch（11）Move horizontally and move up and down, and realize into
Tracheae（12）With discharge nozzle（13）With spouted-bed dryer（7）Bottom alternately connection and sealing；
The conditioning liquid passes through ultrasonic atomizer（4）It is atomized into droplet, droplet enters air inlet pipe at regular time and quantity（12）, with hot-air
It is mixed into spouted-bed dryer（7）, contacted with dry fruits and vegetables, in low frequency microwave source（19）And the spouted valve of pulse（14）Under effect
Carry out the spouted drying of low frequency microwave pulse；From air reservoir（15）Gas pass through the spouted valve of pulse（14）And air inlet pipe
（12）Enter spouted-bed dryer in a pulsed fashion（7）；
In the spouted drying process of low frequency microwave pulse, from spouted-bed dryer（7）The High Temperature Moist Air of discharge, through gas-solid point
From device（8）Into spouted-bed dryer（7）Interlayer, through dehumidifier wind turbine（6）Into heat exchanger（3）Discharge realizes that dry waste heat returns
It receives；
In the spouted the later stage of drying of low frequency microwave pulse, pressure fan（2）With dehumidifier wind turbine（6）According to spouted-bed dryer（7）Interior sky
Air humidity degree adjust automatically running speed；The spouted valve of pulse（14）According to spouted-bed dryer（7）Interior material spouting height is adjusted automatically
Section enters spouted-bed dryer（7）Air velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424028.6A CN108497526B (en) | 2018-05-07 | 2018-05-07 | Normal pressure ultrasonic atomization-low-frequency microwave pulse spouted drying device for conditioning fruits and vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424028.6A CN108497526B (en) | 2018-05-07 | 2018-05-07 | Normal pressure ultrasonic atomization-low-frequency microwave pulse spouted drying device for conditioning fruits and vegetables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108497526A true CN108497526A (en) | 2018-09-07 |
| CN108497526B CN108497526B (en) | 2023-09-19 |
Family
ID=63400201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424028.6A Active CN108497526B (en) | 2018-05-07 | 2018-05-07 | Normal pressure ultrasonic atomization-low-frequency microwave pulse spouted drying device for conditioning fruits and vegetables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108497526B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433123A (en) * | 2018-11-09 | 2019-03-08 | 江苏大学 | A kind of electrospray ionisation coupling ultrasonic wave drying device being atomized and its method for being used to prepare microcapsules |
| CN109452659A (en) * | 2018-12-17 | 2019-03-12 | 青岛理工大学 | A kind of hulling device based on pressure differential method |
| CN110179084A (en) * | 2019-06-20 | 2019-08-30 | 云南省林业科学院 | A kind of walnut kernel color protection device and walnut kernel processing method |
| CN112728884A (en) * | 2020-12-31 | 2021-04-30 | 天津科技大学 | Spouted bed drying device with guide pipe induction heating and method |
| CN113387761A (en) * | 2020-03-12 | 2021-09-14 | 广州市创韦照明灯具有限公司 | Aqueous saccharide-containing formulation suitable for generating smoke and method of generating smoke using aqueous saccharide-containing formulation |
| CN113813485A (en) * | 2021-10-27 | 2021-12-21 | 江苏医药职业学院 | Multipurpose protective cover for infectious disease nursing |
| CN113995008A (en) * | 2021-10-29 | 2022-02-01 | 山东公社联盟食品有限公司 | Device for preventing moisture in cooperation of microwave drying of electrospray vibration bed and spraying of dried fruit and vegetable products and application of device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000001256A1 (en) * | 1998-06-30 | 2000-01-13 | Akt Consultants Pty. Ltd. | Low temperature flow dryer and process |
| CN102972848A (en) * | 2012-12-12 | 2013-03-20 | 江南大学 | Intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and using method thereof |
| CN102987524A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method |
| CN103263064A (en) * | 2013-06-14 | 2013-08-28 | 南京农业大学 | Microwave, hot-air and vacuum combined drying equipment |
| CN203425538U (en) * | 2013-09-18 | 2014-02-12 | 四川新国荣能源材料有限责任公司 | Ultrasonic wave and microwave combined vacuum drying system |
| CN106546091A (en) * | 2015-12-24 | 2017-03-29 | 广东展翠食品股份有限公司 | A kind of bergamot fruit drying equipment and its drying meanss |
| CN208657930U (en) * | 2018-05-07 | 2019-03-29 | 江苏省翠源食品股份有限公司 | Normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable |
-
2018
- 2018-05-07 CN CN201810424028.6A patent/CN108497526B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000001256A1 (en) * | 1998-06-30 | 2000-01-13 | Akt Consultants Pty. Ltd. | Low temperature flow dryer and process |
| CN102987524A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method |
| CN102972848A (en) * | 2012-12-12 | 2013-03-20 | 江南大学 | Intermediate wave infrared and pulse vacuum draying integrated device of granulate prepared food and using method thereof |
| CN103263064A (en) * | 2013-06-14 | 2013-08-28 | 南京农业大学 | Microwave, hot-air and vacuum combined drying equipment |
| CN203425538U (en) * | 2013-09-18 | 2014-02-12 | 四川新国荣能源材料有限责任公司 | Ultrasonic wave and microwave combined vacuum drying system |
| CN106546091A (en) * | 2015-12-24 | 2017-03-29 | 广东展翠食品股份有限公司 | A kind of bergamot fruit drying equipment and its drying meanss |
| CN208657930U (en) * | 2018-05-07 | 2019-03-29 | 江苏省翠源食品股份有限公司 | Normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433123A (en) * | 2018-11-09 | 2019-03-08 | 江苏大学 | A kind of electrospray ionisation coupling ultrasonic wave drying device being atomized and its method for being used to prepare microcapsules |
| CN109433123B (en) * | 2018-11-09 | 2021-02-19 | 江苏大学 | Drying device for electrospray ionization coupling ultrasonic atomization and method for preparing microcapsules by using drying device |
| CN109452659A (en) * | 2018-12-17 | 2019-03-12 | 青岛理工大学 | A kind of hulling device based on pressure differential method |
| CN110179084A (en) * | 2019-06-20 | 2019-08-30 | 云南省林业科学院 | A kind of walnut kernel color protection device and walnut kernel processing method |
| CN110179084B (en) * | 2019-06-20 | 2022-06-21 | 云南省林业科学院 | Walnut kernel color protection device and walnut kernel processing method |
| CN113387761A (en) * | 2020-03-12 | 2021-09-14 | 广州市创韦照明灯具有限公司 | Aqueous saccharide-containing formulation suitable for generating smoke and method of generating smoke using aqueous saccharide-containing formulation |
| CN112728884A (en) * | 2020-12-31 | 2021-04-30 | 天津科技大学 | Spouted bed drying device with guide pipe induction heating and method |
| CN113813485A (en) * | 2021-10-27 | 2021-12-21 | 江苏医药职业学院 | Multipurpose protective cover for infectious disease nursing |
| CN113995008A (en) * | 2021-10-29 | 2022-02-01 | 山东公社联盟食品有限公司 | Device for preventing moisture in cooperation of microwave drying of electrospray vibration bed and spraying of dried fruit and vegetable products and application of device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108497526B (en) | 2023-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108497526A (en) | For normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse of conditioning fruit-vegetable and its application | |
| CN202853296U (en) | Tunnel-type hot-air, microwave and far infrared combination drying machine | |
| CN108895767B (en) | Negative pressure pulse cooperated normal pressure radio frequency spouted bed drying device and application thereof | |
| CN102972848B (en) | Intermediate wave infrared and pulse vacuum drying integrated device of granulate prepared food and using method thereof | |
| CN202032847U (en) | Belt type dryer | |
| CN103392795B (en) | Drying device and drying method | |
| CN110037327B (en) | Tobacco flake redrying equipment and tobacco flake redrying method | |
| CN208536530U (en) | A kind of energy-saving and environment-friendly hot air circulation air energy heat pump dryer | |
| CN208657930U (en) | Normal pressure ultrasonic atomizatio-spouted drying device of low frequency microwave pulse for conditioning fruit-vegetable | |
| CN208205677U (en) | A kind of efficient grain dryer | |
| CN207471925U (en) | A kind of automatic cleaning steam drying dewaterer | |
| CN210197903U (en) | Self-control heat pump dried persimmon drying room | |
| CN208887237U (en) | A kind of underbalance pulse collaboration normal-pressure radio-frequency spouted bed drying device | |
| CN208434620U (en) | The drying system of heat pump room heated type Multilayer Network | |
| CN104896877A (en) | Ultrasonic atomizing and pulse microwave vacuum drying device for liquid material and drying method | |
| CN104222894B (en) | A kind of method utilizing the spouted dry efficient uniform dehydrating and conditioning Radix Dauci Sativae of the height microwave combined pulse of frequency | |
| CN211739789U (en) | Dry fruit heat pump dryer with automatic conveying function | |
| CN204313619U (en) | A kind of continuous vacuum belt drying device | |
| CN208540714U (en) | A kind of modulating system of energy-saving soybean tempering tower | |
| CN208434692U (en) | Multilayer chain combined type continuous drying system | |
| CN207501571U (en) | A kind of vacuum box type drier | |
| CN208254103U (en) | sawdust drying tower | |
| CN206285515U (en) | A kind of spray drying tower | |
| CN207247812U (en) | A kind of drying system for high temperature production technology | |
| CN205912811U (en) | Tea leaf drying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |