CN108036633A - A kind of swirling eddy generating means of electric drying oven with forced convection - Google Patents
A kind of swirling eddy generating means of electric drying oven with forced convection Download PDFInfo
- Publication number
- CN108036633A CN108036633A CN201711314284.1A CN201711314284A CN108036633A CN 108036633 A CN108036633 A CN 108036633A CN 201711314284 A CN201711314284 A CN 201711314284A CN 108036633 A CN108036633 A CN 108036633A
- Authority
- CN
- China
- Prior art keywords
- cup
- madial wall
- lining
- swirling eddy
- lining cup
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of swirling eddy generating means of electric drying oven with forced convection, lining cup including being fixed at box house, the madial wall for serving as a contrast cup is cylindrical surface, interconnected cavity is equipped between the madial wall and lateral wall of lining cup and between the inner bottom surface and outer bottom of lining cup, cavity is connected with the blowing mouth of air blower, the madial wall of lining cup is equipped with the inclined hole that is connected with cavity, and the diametric(al) of the central axis of inclined hole in the horizontal direction with serving as a contrast cup madial wall has angle；The quantity of the inclined hole has two or more, and the inclined hole is around the central axis circumference array distribution of the madial wall of the lining cup, central axis linear array distribution of the inclined hole along the madial wall of the lining cup；The central axis of the inclined hole is vertical with the diametric(al) of the madial wall of the lining cup in the horizontal direction；Air blower is connected from the bottom center position of the lining cup with the cavity, and the gas outlet that box top opens up is alignd with the central axis of the lining cup madial wall.
Description
Technical field
The present invention relates to a kind of electric drying oven with forced convection, the swirling eddy generation of more particularly to a kind of electric drying oven with forced convection
Device.
Background technology
A kind of equipment for carrying out highly effective drying to the object in case by electric heating and air blast of electric drying oven with forced convection, is usually used in
The fields such as electromechanics, chemical industry.
Such as the Chinese patent application file of Publication No. CN106440688A, it discloses a kind of electric drying oven with forced convection,
Including babinet, the partition plate that housing interior volume is divided into upper sheaf space and lower layer space is equipped with babinet, upper sheaf space is drying
Room, lower layer space are heating chamber；Spiral shape test tube is equipped with heating chamber, what the lower end of spiral shape test tube and the bottom surface of babinet were set
Air blower is connected, and the upper end of spiral shape test tube is connected with upper sheaf space, and heating wire is provided with spiral shape test tube, and air blower will
The heat that heating wire produces is blown into sheaf space, the indoor object of drying is dried, the top surface of babinet is equipped with and hothouse
The gas outlet being connected, the steam that produces is discharged from gas outlet during object is dried, and the air of air blower input is also from going out
Gas port is discharged.
Wind is almost unidirectional after spiral shape test tube is blown into hothouse, in the indoor flow direction of drying, by dry solid
The shape of body is probably irregular, and therefore, air-flow contacts uneven with object to be dried surface, contacts fewer position and does
Dry speed is slow, so as to influence overall drying efficiency.
The content of the invention
The object of the present invention is to provide a kind of swirling eddy generating means of electric drying oven with forced convection, its advantage is to make
Air-flow contacts more uniform with the surface of object to be dried.
The present invention above-mentioned technical purpose technical scheme is that：A kind of electric drying oven with forced convection
Swirling eddy generating means, including the lining cup of box house is fixed at, the madial wall for serving as a contrast cup is cylindrical surface, serves as a contrast the inner side of cup
Interconnected cavity is equipped between wall and lateral wall and between the inner bottom surface and outer bottom of lining cup, cavity and air blower
Blowing mouth is connected, and the madial wall for serving as a contrast cup is equipped with the inclined hole being connected with cavity, and the central axis of inclined hole is in the horizontal direction
Diametric(al) with serving as a contrast cup madial wall has angle.
Through the above technical solutions, object to be dried is placed on inside lining cup, air blower is to cavity air blast, the gas in cavity
Pressure rise, the inside of lining cup is injected from inclined hole, since the diametric(al) of the central axis and lining cup inner wall of inclined hole has angle, is penetrated
The air-flow for entering to serve as a contrast cup collides and reflects with lining cup madial wall, central axis of the path that multiple reflections are formed around lining cup madial wall
One-directional rotation, forms stable swirling eddy, and swirling eddy can be abundant with the surface of object to be dried and be uniformly contacted, due to
The superficial air velocity of object to be dried is larger, and the water evaporation rate in object to be dried is accelerated, and drying efficiency greatly improves.
The present invention is further arranged to：The quantity of the inclined hole has two or more.
Through the above technical solutions, multiple inclined holes can increase the flow of air-flow, drying efficiency is improved.
The present invention is further arranged to：Central axis circumference array distribution of the inclined hole around the madial wall of the lining cup.
Through the above technical solutions, the track that circumference array distribution can be formed the air-flow at sustained height is closer
Circle, the swirling eddy of formation are more stablized, and the friction between air-flow and the madial wall for serving as a contrast cup makes the kinetic energy of air-flow gradually decay,
And the air-flow projected in two inclined holes can be superimposed, the kinetic energy increase of air-flow, makes the flow velocity of air-flow be maintained at bigger degree,
To improve drying efficiency.
The present invention is further arranged to：The inclined hole is distributed along the central axis linear array of the madial wall of the lining cup.
Through the above technical solutions, multiple concentric rotations can be formed in different height position along the distribution of axis linear array
Turn air trajectory, serving as a contrast the flow velocity of the swirling eddy of different height position in cup can almost be consistent, to object to be dried not
Dried up with height and position, improve drying efficiency.
The present invention is further arranged to：The central axis of the inclined hole madial wall with the lining cup in the horizontal direction
Diametric(al) is vertical.
Collided simultaneously with lining cup inner wall after the lining circle of cup inner wall central axis one through the above technical solutions, air-flow can be increased
The number of reflection, improves the roundness of air trajectory, improves the stability of swirling eddy, air-flow is connect with object to be dried surface
Touch more uniform.
The present invention is further arranged to：Air blower is connected from the bottom surface of the lining cup with the cavity.
Through the above technical solutions, after air-flow enters cavity, the time difference smaller of each inclined hole of sustained height is reached,
Into the air pressure difference smaller of inclined hole, the air-flow velocity injected from inclined hole in lining cup is almost identical, and the swirling eddy of formation is more
Stablize.
The present invention is further arranged to：Air blower is connected from the bottom center position of the lining cup with the cavity.
Through the above technical solutions, the time that air-flow reaches the inclined hole of sustained height is identical, into the inclined hole of sustained height
Atmospheric pressure value it is identical, inject lining cup in air-flow velocity it is identical, the swirling eddy of formation can be reached relative to other incline directions
To most stable of state.
The present invention is further arranged to：The gas outlet that box top opens up and the central axis pair of the lining cup madial wall
Together.
Through the above technical solutions, after air blower blasts air in lining cup, the air pressure served as a contrast in cup gradually rises, Ran Houcong
Gas outlet is discharged, and the air pressure inside lining cup is reached dynamic equilibrium, and gas outlet is provided on lining cup inner wall central axis, from same
The swirling eddy that the inclined hole of one height is injected can reach gas outlet at the same time, and air pressure everywhere is relatively more stable on same circumference,
The stability higher of swirling eddy.
In conclusion the invention has the advantages that：
1st, serve as a contrast the inclined hole central axis on cup inner wall has certain angle, gas with lining cup inner diameter direction in the horizontal direction
Stream is penetrated with the inconsistent concurrent hair tonic of lining cup inner wall after inclined hole is injected in lining cup, circular trace, most end form is formed after multiple reflections
Into swirling eddy, swirling eddy can be more fully and uniformly in contact with increase object table with the object to be dried surface in lining cup
The gas flow rate in face, improves drying efficiency；
2nd, the central axis of inclined hole is vertical with the diametric(al) for serving as a contrast cup inner wall, can increase the reflection time enclosed around lining cup inner wall one
Number, the path of air-flow is closer to circle, and therefore, the swirling eddy of formation is more stablized；
3rd, the air-flow of lining cup is injected from the inclined hole around lining cup central axis circumference array distribution to be overlapped mutually, and increase air-flow
Kinetic energy, reduces the decay during air-flow fortune work(, improves the flow velocity of swirling eddy, improve drying efficiency；
4th, the shape at different height in lining cup of the air-flow in lining cup is injected from the inclined hole along lining cup central axis linear array distribution
Into air-flow velocity it is almost identical, make the air velocity of the surface different height position of object to be dried more uniform, improve dry
Dry efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the schematic diagram for embodying lining cup contour structures；
Fig. 3 is the sectional view at A-A in Fig. 2；
Fig. 4 is to embody the operation principle schematic diagram that air-flow forms swirling eddy.
In figure, 1, babinet；11st, partition plate；12nd, gas outlet；2nd, spiral shape test tube；3rd, heating wire；4th, air blower；5th, cup is served as a contrast；
51st, cavity；52nd, inclined hole.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Embodiment：The swirling eddy generating means of a kind of electric drying oven with forced convection, as shown in Figure 1, in the babinet 1 of drying box
Portion is fixedly connected with partition plate 11, and the inner space of drying box is divided into two parts up and down, is set in the space of low portion by partition plate 11
There is a spiral shape test tube 2, be equipped with heating wire 3 in spiral shape test tube 2, the ground of babinet 1 is equipped with air blower 4, under spiral shape test tube 2
End is connected with the inflatable mouth of air blower 4, and the upper end of spiral shape test tube 2 is connected through partition plate 11 with the upper segment space of babinet 1
Logical, air blower 4 can be by upper space air blast of the spiral shape test tube 2 to babinet 1, while the heat band that heating wire 3 is produced
Enter in upper space, the object to be dried in upper space is heated and dried up.
Swirling eddy generating means are fixed in the upper space of babinet 1, and swirling eddy generating means are lining cup 5,
The madial wall for serving as a contrast cup 5 is cylinder, is equipped between the madial wall and lateral wall of lining cup 5 and between inner bottom surface and outer bottom and is connected
Logical cavity 51, the bottom center position of the upper end of spiral shape test tube 2 through lining cup 5 are connected with cavity 51, and air blower 4 can be with
Gas is blasted in cavity 51.
As shown in Fig. 2, the shape of lining cup 5 can be cylindric, open upper end, lower end closed.
As shown in figure 3, the inner wall of lining cup 5 is equipped with the inclined hole 52 that cavity 51 is connected with the space inside lining cup 5, tiltedly
Diametric(al) of the central axis in hole 52 in the horizontal direction with serving as a contrast 5 inner wall of cup has certain angle, it is preferable that inclined hole 52
Central axis is mutually perpendicular to serving as a contrast the diametric(al) of 5 inner wall of cup in the horizontal direction, after blasting gas in cavity 51, internal gas
Pressure rise, is injected inside lining cup 5 from inclined hole 52.
As shown in figure 4, air-flow is inconsistent with lining 5 inner wall of cup and reflects, enclosed by multiple reflections and around lining cup 5 one
Afterwards, circular air flow path is formed（Such as the path of arrow meaning in Fig. 4）, air-flow drive lining cup 5 inside air rotation, formation
Swirling eddy（Such as the path of curved arrow meaning in Fig. 4, represent to serve as a contrast the motion path of 5 inner air of cup）.During work, dried
Object is placed on inside lining cup 5, and swirling eddy rotates contact along the object to be dried surface in lining cup 5, generation that can be evenly
Contact, while increase the air-flow velocity of body surface, improve drying efficiency.
As shown in Figure 1, inclined hole 52 is distributed along the axial linear array of lining cup 5, can be in the different height position shape of lining cup 5
Into circular air flow path, while increase the flow of air-flow, the total kinetic energy increase of air-flow, can be easier to drive the sky of lining cup 5
Gas forms more stable swirling eddy, and body surface is not easily formed turbulent flow, and the gas humidity of body surface is relatively uniform, because
This, the water evaporation rate of body surface is relatively uniform, overall drying efficiency higher.The top surface of babinet 1 is equipped with serving as a contrast in cup 5
The gas outlet 12 that portion is connected, the gas served as a contrast in cup 5 can be discharged from gas outlet 12, and the vapor that object to be dried is produced
Take out of, reach dry function.On the central axis of lining cup 5, the swirling eddy of sustained height reaches outlet for gas outlet 12
The time of mouth 12 is almost identical, and the air pressure everywhere on same circumference is relatively more stablized, the stability higher of swirling eddy.
As shown in figure 3, inclined hole 52 is injected around the central axis circumference array distribution of lining cup 5 from the inclined hole 52 of sustained height
The air-flow of lining cup 5 can be overlapped mutually, and made up the kinetic energy decay of air-flow during the motion, increased flow velocity, increase swirling eddy
Kinetic energy, improve the stability of swirling eddy；Since multiple inclined holes 52 of sustained height divide equally same circumference, through excessive
The path formed after secondary reflection is interlaced or is superimposed, the path roundness higher of formation, the stability higher of swirling eddy.
The course of work：Air blower 4 is blasted in cavity 51 to extraneous air by spiral shape test tube 2, while heating wire 3 is produced
Raw heat is brought into cavity 51, and the air pressure rise in cavity 51, air-flow is injected inside lining cup 5 from inclined hole 52, air-flow and lining cup 5
Inner wall it is inconsistent and reflect, a circular path is formed after multiple reflections, drives the air inside lining cup 5 to be formed and rotates
Air-flow, the surface of swirling eddy along object rotate contact, can more thoroughly and uniformly contact, carry with the surface of object to be dried
The gas flow rate on high object surface, improves drying efficiency.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (8)
1. a kind of swirling eddy generating means of electric drying oven with forced convection, it is characterized in that：Including being fixed at babinet（1）It is internal
Lining cup（5）, serve as a contrast cup（5）Madial wall be cylindrical surface, serve as a contrast cup（5）Madial wall and lateral wall between and lining cup（5）It is interior
Interconnected cavity is equipped between bottom surface and outer bottom（51）, cavity（51）With air blower（4）Blowing mouth be connected, serve as a contrast
Cup（5）Madial wall be equipped with and cavity（51）The inclined hole being connected（52）, inclined hole（52）Central axis in the horizontal direction
With serving as a contrast cup（5）The diametric(al) of madial wall has angle.
2. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 1, it is characterized in that：It is described oblique
Hole（52）Quantity there is two or more.
3. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 2, it is characterized in that：It is described oblique
Hole（52）Around the lining cup（5）Madial wall central axis circumference array distribution.
4. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 2, it is characterized in that：It is described oblique
Hole（52）Along the lining cup（5）Madial wall central axis linear array distribution.
5. a kind of swirling eddy generating means of electric drying oven with forced convection according to any one of claims 1 to 4, its feature
It is：The inclined hole（52）Central axial direction in the horizontal direction with the lining cup（5）Madial wall diametric(al) it is vertical.
6. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 5, it is characterized in that：Air blower
（4）From the lining cup（5）Bottom surface and the cavity（51）It is connected.
7. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 5, it is characterized in that：Air blower
（4）From the lining cup（5）Bottom center position and the cavity（51）It is connected.
8. a kind of swirling eddy generating means of electric drying oven with forced convection according to claim 1, it is characterized in that：Babinet
（1）The gas outlet that top surface opens up（12）With the lining cup（5）The central axis alignment of madial wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314284.1A CN108036633A (en) | 2017-12-09 | 2017-12-09 | A kind of swirling eddy generating means of electric drying oven with forced convection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314284.1A CN108036633A (en) | 2017-12-09 | 2017-12-09 | A kind of swirling eddy generating means of electric drying oven with forced convection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036633A true CN108036633A (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711314284.1A Pending CN108036633A (en) | 2017-12-09 | 2017-12-09 | A kind of swirling eddy generating means of electric drying oven with forced convection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759446A (en) * | 2018-08-10 | 2018-11-06 | 张菁倩 | A kind of panty hose rapid-curing cutback equipment |
| CN108870875A (en) * | 2018-05-23 | 2018-11-23 | 邓帅 | A kind of portable small-sized tea set dryer |
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| CN2197646Y (en) * | 1993-12-24 | 1995-05-17 | 华东理工大学 | Air flowing distrubutor |
| CN2926852Y (en) * | 2006-04-18 | 2007-07-25 | 刘鹏 | Burner |
| CN204006144U (en) * | 2014-07-15 | 2014-12-10 | 辽宁合百意生物质技术开发有限公司 | Stove and accessory oblique hole type whirlwind air distribution wind dish |
| CN204100296U (en) * | 2014-08-26 | 2015-01-14 | 南京航空航天大学 | A kind of aeroengine combustor buring room adopting variable cross-section step type effusion wall cooling structure |
| CN204688820U (en) * | 2015-06-05 | 2015-10-07 | 浙江海洋学院 | Oyster shell whiting storage bin |
| CN105091519A (en) * | 2015-09-28 | 2015-11-25 | 苏州承乐电子科技有限公司 | Vortex type airflow drying oven |
| CN205002537U (en) * | 2015-09-28 | 2016-01-27 | 苏州承乐电子科技有限公司 | Adjustable swirl formula air current oven |
| CN205940063U (en) * | 2016-08-02 | 2017-02-08 | 绍兴捷盛干燥设备科技有限公司 | Spiral -flow type drying -machine |
-
2017
- 2017-12-09 CN CN201711314284.1A patent/CN108036633A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197646Y (en) * | 1993-12-24 | 1995-05-17 | 华东理工大学 | Air flowing distrubutor |
| CN2926852Y (en) * | 2006-04-18 | 2007-07-25 | 刘鹏 | Burner |
| CN204006144U (en) * | 2014-07-15 | 2014-12-10 | 辽宁合百意生物质技术开发有限公司 | Stove and accessory oblique hole type whirlwind air distribution wind dish |
| CN204100296U (en) * | 2014-08-26 | 2015-01-14 | 南京航空航天大学 | A kind of aeroengine combustor buring room adopting variable cross-section step type effusion wall cooling structure |
| CN204688820U (en) * | 2015-06-05 | 2015-10-07 | 浙江海洋学院 | Oyster shell whiting storage bin |
| CN105091519A (en) * | 2015-09-28 | 2015-11-25 | 苏州承乐电子科技有限公司 | Vortex type airflow drying oven |
| CN205002537U (en) * | 2015-09-28 | 2016-01-27 | 苏州承乐电子科技有限公司 | Adjustable swirl formula air current oven |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870875A (en) * | 2018-05-23 | 2018-11-23 | 邓帅 | A kind of portable small-sized tea set dryer |
| CN108759446A (en) * | 2018-08-10 | 2018-11-06 | 张菁倩 | A kind of panty hose rapid-curing cutback equipment |
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Application publication date: 20180515 |