CN208742977U - A kind of drying oven hot air circulating system - Google Patents
A kind of drying oven hot air circulating system Download PDFInfo
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- CN208742977U CN208742977U CN201821175173.7U CN201821175173U CN208742977U CN 208742977 U CN208742977 U CN 208742977U CN 201821175173 U CN201821175173 U CN 201821175173U CN 208742977 U CN208742977 U CN 208742977U
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Abstract
A kind of drying oven hot air circulating system, the mesh transmission band for being arranged and being placed with workpiece along its length is equipped in drying oven, hot air circulating system includes wind scooper, multiple wind deflectors, heating device and circulating fan, wind scooper is arranged at the vertical direction of mesh transmission band, and circulating fan is connected at the top of wind scooper, heating device and wind deflector are arranged in the space that drying oven is located at outside wind scooper, and part of wind deflector is arranged in mesh transmission and brings into the space between drying oven furnace bottom, air above mesh transmission band is delivered to the heating devices heat in wind scooper exterior space through wind scooper and circulating fan, it guides again through multiple wind deflectors to the lower section of mesh transmission band and constitutes hot air circulation, drying operation is carried out to the workpiece on mesh transmission band.
Description
Technical field
The utility model relates to drying oven equipment technical fields, and in particular to a kind of drying oven hot air circulating system.
Background technique
With industrialized continuous development, demand of the industrial enterprise to the amount of soldering work piece is also more and more, while to pricker
The requirement of the matter of welder's part is equally also higher and higher, soldering work piece complete soldering flux coating after enter soldering oven before need into
Row drying, the quality for drying situation are directly related to the superiority and inferiority of soldering work piece product service performance.This requires soldering work pieces to exist
Temperature uniformity in drying process is very high, and the raising of temperature uniformity can make in the soldering flux coating on soldering work piece surface
The discharge of each point moisture keep synchronism, reduce the soldering flux coating on soldering work piece surface because moisture discharge it is uneven caused by
Situations such as cracking, fracture, yield rate is improved, the overall mechanical properties of refractory material are enhanced.
Drying oven airflow circulating system can be divided into natural cycle system and forced circulation system two according to circulation power difference
Kind, Natural Circulation furnace pushes circulation by working medium density contrast between tedge in the outer down-comer of furnace and furnace, and forced circulation is not only wanted
Using density variation as power, it is also necessary to which certain external work recycles in heating pipe, and forced circulation system is done by fan
Function makes air-flow forced convection, so that in-furnace temperature keeps uniformity.Existing drying oven furnace temperature decision is bad and to air-flow
It recycles lower, leads to the waste of air-flow, cause operating cost height.
In view of the above problems, it is necessary to do certain structure optimization for existing drying oven, further increase
Hot air circulation in drying oven uses, and keeps the temperature uniformity in drying oven.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of drying oven hot air circulating system, which can be with
It significantly using the thermal current being had by oneself in drying oven, is constantly recycled in furnace, while air-flow is carried out certainly in cyclic process
It adapts to adjust temperature, so that furnace temperature keeps uniform everywhere in furnace.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of drying oven hot air circulating system, interior be equipped with of the drying oven are arranged along its length and are placed with workpiece
Mesh transmission band, the hot air circulating system include wind scooper, multiple wind deflectors, heating device and circulating fan, the wind-guiding
It is provide with and sets at the vertical direction of mesh transmission band, and be connected with circulating fan at the top of wind scooper, the heating device and lead
Aerofoil is arranged in the space that drying oven is located at outside wind scooper, and part of wind deflector setting is brought in mesh transmission to drying
In space between furnace furnace bottom, the air above mesh transmission band is delivered to wind scooper exterior space through wind scooper and circulating fan
In heating devices heat, then through multiple wind deflectors guide to mesh transmission band lower section constitute hot air circulation, to mesh transmission
The workpiece taken carries out drying operation.
Preferably, the end of the wind scooper is arranged lower than the end of mesh transmission band, mesh transmission band, which is placed in, is led
The inside of fan housing.
Preferably, the hot air circulating system further includes having to lead under hot wind upper channel, hot wind intermediate channel and hot wind
Road, the hot wind upper channel are made of the space between the wind scooper and mesh transmission band, and the hot wind intermediate channel is by institute
It states the vertical space in drying oven outside wind scooper to constitute, the hot wind lower channel is by the mesh transmission band and drying oven
Space between furnace bottom is constituted, and is connected between the hot wind upper channel and hot wind intermediate channel by circulating fan, among hot wind
Channel is connected between the two with hot wind lower channel.
Preferably, the circulating fan uses centrifugal fan, and the air inlet of centrifugal fan and the wind scooper
Top connection, the air outlet of centrifugal fan are connected to the hot wind intermediate channel.
Preferably, the drying oven is provided with driving motor on the furnace roof outside furnace body, the driving motor with
Centrifugal fan connection in drying oven, and the furnace wall of drying oven is provided with motor insulating layer in the two junction.
It is located on the furnace wall of the hot wind intermediate channel preferably, the drying oven is arranged in the heating device.
Preferably, the wind deflector includes the first wind deflector and the second wind deflector, the first wind deflector setting exists
Drying oven is located at the furnace bottom in hot wind intermediate channel, constitutes arc and drains chamfering structure, second wind deflector is arranged in institute
It states between hot wind intermediate channel and hot wind lower channel, and the second wind deflector is located at the end in hot wind intermediate channel and hot wind lower channel
The upward arc in portion, which tilts, constitutes arc drainage chamfering structure, and the hot-air in hot wind intermediate channel is led through the first wind deflector and second
Aerofoil leads into hot wind lower channel.
Preferably, thermocouple is additionally provided in the hot wind upper channel, the setting direction and mesh transmission of thermocouple
The transmission direction of band is vertical.
Compared with prior art, a kind of drying oven hot air circulating system provided by the utility model, the circulatory system pass through
The common cooperation of wind scooper, circulating fan and wind deflector, the thermal current in drying oven is constantly recycled, so that in drying oven
Everywhere in furnace temperature be consistent, further increase the cyclic utilization rate of furnace air, device for simultaneous heating and thermocouple it is common
Cooperation carries out real time temperature monitoring adjusting, guarantees that heating temperature is in desired heating temperature range in furnace.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of drying oven hot air circulating system provided by the utility model.
Appended drawing reference involved in attached drawing and component part explanation:
1, drying oven；2, mesh transmission band；3, wind scooper；4, the first wind deflector；5, heating device；6, circulating fan；7,
Hot wind upper channel；8, hot wind intermediate channel；9, hot wind lower channel；10, driving motor；11, motor insulating layer；12, the second wind-guiding
Plate；13, thermocouple.
Specific embodiment
Existing drying oven furnace temperature decision is bad and lower to recycling for air-flow, leads to the waste of air-flow, causes
Operating cost is high.In view of the above problems, the utility model does certain structure optimization for existing drying oven, into one
Step improves the hot air circulation in drying oven and uses, and keeps the temperature uniformity in drying oven.
The technical solution of the utility model will be clearly and completely described by specific embodiment below.Obviously,
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
Shown in Figure 1, a kind of drying oven hot air circulating system, drying oven 1 is interior to be equipped with the net being arranged along its length
Shape transmission belt 2, the workpiece after multiple brazed doses of coatings are uniformly placed on mesh transmission band 2.
This hot air circulating system includes wind scooper 3, multiple wind deflectors, heating device 5 and circulating fan 6.
Wind scooper 3 is arranged at the vertical direction of mesh transmission band 2, and the end of wind scooper 3 is lower than mesh transmission band 2
End setting, mesh transmission band 2 is placed in the inside of wind scooper 3, so that the space between wind scooper 3 and mesh transmission band 2 is constituted
One overall space, and the definition space is the hot wind upper channel 7 of thermal current in drying oven 1.And it is located at wind scooper 3 in drying oven 1
External vertical space then constitutes the hot wind intermediate channel 8 of thermal current, the space between 1 furnace bottom of mesh transmission band 2 and drying oven
Constitute the hot wind lower channel 9 of thermal current.
Wherein, the top of wind scooper 3 is connected with circulating fan 6, passes through between hot wind upper channel 7 and hot wind intermediate channel 8
Circulating fan 6 is connected to, and hot wind intermediate channel 8 is connected on concept of space between the two with hot wind lower channel 9.
In the present embodiment, circulating fan 6 uses centrifugal fan, and the air inlet of centrifugal fan and wind scooper 3
Top connection, the air outlet of centrifugal fan are connected to hot wind intermediate channel 8.Drying oven 1 is provided on the top outside furnace body
Driving motor 10, driving motor 10 are connect with the centrifugal fan being located in drying oven 1, and the furnace wall of drying oven 1 is connected in the two
Place is provided with motor insulating layer 11.I.e. driving motor 10 drives centrifugal fan rotation, and hot gas is flowed through the guidance of wind scooper 3 from hot wind
Upper channel 7 is delivered to hot wind intermediate channel 8.
Heating device 5 is arranged in drying oven 1 and is located on the furnace wall of hot wind intermediate channel 8, thermal current from hot wind upper channel 7 into
Enter into hot wind intermediate channel 8, and heated by heating device 5, in order to enable the water in the soldering flux coating of workpiece surface
Point be sufficiently evaporated, the drying temperature in drying oven 1 is maintained between 260 DEG C~450 DEG C, heating device 5 can be used electric heating or
The heating method of gas heating.
Hot-air after heating enters in hot wind lower channel 9 from hot wind intermediate channel 8, can flow to reduce hot-air
Impact by journey to furnace wall, causes energy dissipation, and first is arranged at the furnace bottom that drying oven 1 is located in hot wind intermediate channel 8
Wind deflector 4 constitutes arc and drains chamfering structure, while the second wind-guiding being arranged between hot wind intermediate channel 8 and hot wind lower channel 9
Plate 12, and the second wind deflector 12 is located at the upward arc in the end in hot wind intermediate channel 8 and hot wind lower channel 9 and tilts composition arc
Chamfering structure is drained, the hot-air in hot wind intermediate channel 8 can be swimmingly through the first wind deflector 4 and the guidance of the second wind deflector 12
Into in hot wind lower channel 9, the workpiece on mesh transmission band 2 is heated.
Because of the reticular structure of mesh transmission band 2, the hot-air in hot wind lower channel 9 can be through the mesh on mesh transmission band 2
It enters in hot wind upper channel 7, and the continuous work of circulating fan 6, so that hot-air leads among hot wind upper channel 7, hot wind
Constantly circulation circulation in road 8 and hot wind lower channel 9, while being heated in passing through hot wind intermediate channel 8 by heating device 5, so
It can guarantee the temperature uniformity consistency in drying oven 1 everywhere during hot-air constantly recycles circulation.
Further, thermocouple 13, the setting direction and mesh transmission band of thermocouple 13 are additionally provided in hot wind upper channel 7
2 transmission direction is vertical.Thermocouple 13 monitors the air themperature in furnace in real time, and deviation occurs in in-furnace temperature, can be timely
The heating temperature of heating device 5 is adjusted, guarantees in-furnace temperature in the ideal range.
A kind of drying oven hot air circulating system provided by the utility model can utilize the hot gas having by oneself in drying oven significantly
Stream, is constantly recycled in furnace, while carrying out automatic adjusument temperature to air-flow in cyclic process, so that furnace everywhere in furnace
Temperature keeps uniform.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of drying oven hot air circulating system, the drying oven is interior to be equipped with the net for being arranged and being placed with workpiece along its length
Shape transmission belt, it is characterised in that: the hot air circulating system includes wind scooper, multiple wind deflectors, heating device and circulating fan,
The wind scooper is arranged at the vertical direction of mesh transmission band, and circulating fan is connected at the top of wind scooper, the heating
Device and wind deflector are arranged in the space that drying oven is located at outside wind scooper, and part of wind deflector is arranged in mesh transmission
For band into the space between drying oven furnace bottom, the air above mesh transmission band is delivered to wind scooper through wind scooper and circulating fan
Heating devices heat in exterior space, then guide through multiple wind deflectors to the lower section of mesh transmission band and constitute hot air circulation, it is right
Workpiece on mesh transmission band carries out drying operation.
2. a kind of drying oven hot air circulating system according to claim 1, it is characterised in that: the end of the wind scooper is low
It is arranged in the end of mesh transmission band, mesh transmission band is placed in the inside of wind scooper.
3. a kind of drying oven hot air circulating system according to claim 1, it is characterised in that: the hot air circulating system is also
It include hot wind upper channel, hot wind intermediate channel and hot wind lower channel, the hot wind upper channel is by the wind scooper and netted biography
Space between defeated band is constituted, and the hot wind intermediate channel is by being located at the vertical space structure outside wind scooper in the drying oven
At, the hot wind lower channel is made of the space between the mesh transmission band and drying oven furnace bottom, the hot wind upper channel with
It is connected between hot wind intermediate channel by circulating fan, hot wind intermediate channel is connected between the two with hot wind lower channel.
4. a kind of drying oven hot air circulating system according to claim 3, it is characterised in that: the circulating fan use from
Heart fan, and the air inlet of centrifugal fan is connected to the top of the wind scooper, in the air outlet of centrifugal fan and the hot wind
Between channel be connected to.
5. a kind of drying oven hot air circulating system according to claim 4, it is characterised in that: the drying oven is outside furnace body
Driving motor is provided on the furnace roof in portion, the driving motor is connect with the centrifugal fan being located in drying oven, and drying oven
Furnace wall is provided with motor insulating layer in the two junction.
6. a kind of drying oven hot air circulating system according to claim 3, it is characterised in that: the heating device setting exists
The drying oven is located on the furnace wall of the hot wind intermediate channel.
7. a kind of drying oven hot air circulating system according to claim 3, it is characterised in that: the wind deflector includes first
Wind deflector and the second wind deflector, first wind deflector are arranged at the furnace bottom that drying oven is located in hot wind intermediate channel, constitute
Arc drains chamfering structure, and second wind deflector is arranged between the hot wind intermediate channel and hot wind lower channel, and second
Wind deflector is located at the upward arc in the end in hot wind intermediate channel and hot wind lower channel and tilts composition arc drainage chamfering structure, heat
Hot-air in wind intermediate channel leads into hot wind lower channel through the first wind deflector and the second wind deflector.
8. a kind of drying oven hot air circulating system according to claim 3, it is characterised in that: in the hot wind upper channel also
It is provided with thermocouple, the setting direction of thermocouple is vertical with the transmission direction of mesh transmission band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175173.7U CN208742977U (en) | 2018-07-24 | 2018-07-24 | A kind of drying oven hot air circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175173.7U CN208742977U (en) | 2018-07-24 | 2018-07-24 | A kind of drying oven hot air circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208742977U true CN208742977U (en) | 2019-04-16 |
Family
ID=66056054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821175173.7U Active CN208742977U (en) | 2018-07-24 | 2018-07-24 | A kind of drying oven hot air circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208742977U (en) |
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2018
- 2018-07-24 CN CN201821175173.7U patent/CN208742977U/en active Active
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