CN212566499U - Heated uniform hot air circulation vacuum drier - Google Patents
Heated uniform hot air circulation vacuum drier Download PDFInfo
- Publication number
- CN212566499U CN212566499U CN201922465917.XU CN201922465917U CN212566499U CN 212566499 U CN212566499 U CN 212566499U CN 201922465917 U CN201922465917 U CN 201922465917U CN 212566499 U CN212566499 U CN 212566499U
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- fan
- air circulation
- heated
- tray
- box body
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- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000001291 vacuum drying Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a pair of even heated air circulation vacuum drying machine includes box, conveyer, blast apparatus, heating device and vacuum pump at least, conveyer is at least including fixing the gyro wheel conveyer belt on the box inner wall, and the higher authority of gyro wheel conveyer belt is equipped with the tray, and the bottom of tray is the metal mesh, heating device is located between two gyro wheel conveyer belts, and heating device includes square mount at least, a plurality of infrared heating pipe side by side in the mount, blast apparatus includes first fan, second fan and third fan, and the three is located the three corner of the vertical tangent plane of box, and this even heated air circulation vacuum drying machine of being heated can realize multilayer article thermally equivalent, heated air circulation, and temperature is stable, and the article of being heated simultaneously can overturn on the tray, and is dry with higher speed, efficient.
Description
Technical Field
The utility model relates to a heated even heated air circulation vacuum drying machine belongs to drying equipment technical field.
Background
The vacuum drying oven is widely applied to industries such as chemical industry, electronic communication, plastics, cables, electroplating, hardware, automobiles, photoelectricity, rubber products, molds, spraying, medical treatment and the like, is specially designed for drying heat-sensitive, easily-decomposed and easily-oxidized substances, can keep a certain vacuum degree in a working chamber during working, can be filled with inert gas, and particularly can quickly dry some objects with complex components.
Disclosure of Invention
An object of the utility model is to solve the not enough of current vacuum drying machine, provide an even heated air circulation vacuum drying machine of being heated, can multilayer heating, heated air circulation, and upper and lower floor temperature is stable, and the article of being heated simultaneously can overturn on the tray, drying with higher speed, efficient.
The utility model provides a technical scheme that its technical problem adopted as follows: a heated uniform hot air circulation vacuum dryer at least comprises a box body, a conveying device, a blowing device, a heating device and a vacuum pump, wherein a connecting pipe communicated with the outside is arranged at the upper end of the box body, the connecting pipe is connected with the vacuum pump, the conveying device at least comprises roller conveying belts fixed on the inner wall of the box body, at least two roller conveying belts are arranged in parallel up and down, grooves are arranged on the left side and the right side of each roller conveying belt, trays are arranged on the roller conveying belts, each tray is in a box cavity shape with an upward opening, baffles are arranged on the left side and the right side, the lower ends of the baffles are bumps matched with concave grains, the bottom of each tray is a metal net, the heating device is positioned between the two roller conveying belts, the heating device at least comprises a square fixing frame, a plurality of infrared heating pipes are arranged in the fixing frame side by side, an upper heat collection cover with the, the blowing device comprises a first fan, a second fan and a third fan, the first fan, the second fan and the third fan are positioned at three corners of the longitudinal section of the box body, and an air outlet of the connecting pipe is positioned at a fourth corner.
Furthermore, the direction of the air inlet of the first fan is aligned to the second fan, the direction of the air inlet of the second fan is aligned to the third fan, and the direction of the air inlet of the third fan is aligned to the air outlet of the connecting pipe.
Furthermore, the air outlets of the first fan, the second fan and the third fan are all provided with heating wires.
Furthermore, a filter is arranged at the air outlet of the connecting pipe.
Furthermore, a pressure sensor and an electric control gas valve are arranged on the inner wall of the box body, and an alarm is arranged on the upper bottom surface of the box body.
Furthermore, at least two temperature sensors are arranged on the inner wall of the box body, and the two temperature sensors correspond to the two roller conveyor belts respectively in height.
The utility model provides an even heated air circulation vacuum drying machine's of being heated beneficial effect lies in:
(1) this even heated air circulation vacuum drying machine is provided with at least two-layer gyro wheel conveyer belt, and it corresponds can heat multilayer article, is equipped with heating device simultaneously between the two-layer gyro wheel conveyer belt, heats upper article and lower floor's article together through infrared heating pipe, and the while is through upper and lower thermal-arrest cover centralized heating, and the effect is better.
(2) This even heated air circulation vacuum drying machine's gyro wheel conveyer belt passes through the recess lug with the tray and is connected fixedly, and when gyro wheel conveyer belt started simultaneously, because the tray bottom is the metal mesh, the article that are heated passes through the space and the gyro wheel contact of metal mesh, drives the upset of article through the friction, realizes that article overturn heating in the tray, and drying effect is better.
(3) This even heated air circulation vacuum drying machine passes through first fan, second fan, third fan and vacuum pump, and the air outlet of fan all is equipped with the heating wire, forms the interior hot air circulation of box and flows, and simultaneously through the temperature sensor of upper and lower extreme, the temperature variation of upper and lower floor in the monitoring box guarantees that drying temperature is stable.
(4) This even heated air circulation vacuum drying machine is equipped with pressure sensor, automatically controlled air valve and alarm, to atmospheric pressure real time monitoring in the box, if pressure is too big, automatically controlled air valve opens, makes the atmospheric pressure in the box, and the alarm sounds simultaneously, reminds the staff to prepare inspection and maintenance work, closes automatically controlled air valve again after atmospheric pressure in the box resumes normally.
Drawings
Fig. 1 is a schematic structural view of the uniform heated air circulation vacuum dryer of the present invention.
Fig. 2 is a schematic structural view of the tray of the present invention.
Fig. 3 is a schematic structural diagram of the heating device of the present invention.
In the figure: 1. the device comprises a box body, 2 parts of a vacuum pump, 3 parts of a connecting pipe, 4 parts of a filter, 5 parts of a roller conveyor belt, 6 parts of a tray, 7 parts of a baffle, 8 parts of a metal net, 9 parts of a fixing frame, 10 parts of an infrared heating pipe, 11 parts of an upper heat collecting cover, 12 parts of a lower heat collecting cover, 13 parts of a first fan, 14 parts of a second fan, 15 parts of a third fan, 16 parts of an electric heating wire, 17 parts of a temperature sensor, 18 parts of an electric control air valve, 19 parts of an alarm and 20 parts of a pressure sensor.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
As shown in figures 1, 2 and 3, the utility model provides a heated uniform heated air circulation vacuum dryer, which at least comprises a box body 1, a conveying device, a blowing device, a heating device and a vacuum pump 2, wherein the inner wall of the box body 1 is provided with a pressure sensor 20 and an electric control air valve 18, the upper bottom surface of the box body 1 is provided with an alarm 19, the upper end of the box body 1 is provided with a connecting pipe 3 communicated with the outside, the connecting pipe 3 is connected with the vacuum pump 2, the air outlet of the connecting pipe 3 is provided with a filter 4, the conveying device at least comprises roller conveying belts 5 fixed on the inner wall of the box body 1, the number of the roller conveying belts 5 is at least two, the roller conveying belts 5 are arranged in parallel up and down, the left side and the right side of the roller conveying belts 5 are provided with grooves, the inner wall of the box body 1, the heating device is arranged between the two roller conveyor belts 5, the heating device at least comprises a square fixing frame 9, a plurality of infrared heating pipes 10 are arranged in the fixing frame 9 side by side, the upper end and the lower end of the fixing frame 9 are respectively provided with an upper heat collecting cover 11 with an upward opening and a lower heat collecting cover 12 with a downward opening, the blowing device comprises a first fan 13, a second fan 14 and a third fan 15, the three are positioned on three corners of a longitudinal section of the box body 1, the air outlet of the connecting pipe 3 is positioned on a fourth corner, the air outlet direction of the first fan 13 is aligned with the second fan 14, the air outlet direction of the second fan 14 is aligned with the third fan 15, the direction of the air outlet of the third fan 15 is aligned with the air outlet of the connecting pipe 3, and the air outlets of the first fan 13, the second fan 14 and the third fan 15 are all provided with heating wires 16.
Tray 6 is the ascending box chamber form of opening, and the article of being heated can not drop when overturning in tray 6, metal mesh 8 adopts the higher material of hardness to make, makes things convenient for tray 6 access article of being heated, metal mesh 8's thickness is thinner, according to the size of the article volume of being heated, confirms the size in the empty hole of metal mesh 8, ensures that the article of being heated places when metal mesh 8, and the article of being heated when can not drop has partly can be through metal mesh 8's empty direct contact gyro wheel conveyer belt 5, the lower extreme of baffle 7 is the lug, matches in a wretched state with the concave trough of gyro wheel conveyer belt 5 both sides, alright fixed tray 6, and makes things convenient for tray 6 access.
The roller conveyor belts 5 can be at least two groups, multiple layers of heated articles can be stored in the box body 1, meanwhile, a heating device is arranged between every two adjacent roller conveyor belts 5 and is heated in an up-and-down heat collection mode through the infrared heating pipes 10, the working efficiency can be improved, because the roller conveyor belts 5 are separated between the heated articles on the uppermost layer and the infrared heating pipes 10 below the heated articles on the uppermost layer, and no additional heating equipment is arranged above the heated articles on the uppermost layer, the heated articles on the uppermost layer are influenced, a heating plate is additionally arranged at the top in the box body 1 and is considered to directly heat the heated articles on the uppermost layer, meanwhile, a temperature sensor 17 is arranged on one side of each heated article, the temperature conditions of each layer in the box body 1 can be accurately reflected, the second fan 14 is blown by the first fan 13, and the second fan 14 faces the third fan 15, the third fan 15 blows towards the connecting pipe 3, the connecting pipe 3 is connected with the vacuum pump 2, and the three fans all have heating wires simultaneously, make hot air circulation flow in the box 1, ensure that upper and lower floor's temperature is unanimous, accelerate humid air discharge box 1 simultaneously, have filter 4 on the connecting pipe 3, the effect of filter 4 lies in preventing that humid air from getting into the vacuum pump 2, causes the vacuum pump 2 trouble.
This even heated air circulation vacuum drying machine still is equipped with the controller, and when having the multilayer article of being heated in box 1, box 1's height is higher, and each layer temperature sensor 17 reflects the temperature inequality, can be according to the power size of each layer infrared heating pipe 10 of adjustment controller adjustment to and the wind speed of three fan, further ensure that the temperature of each layer is unanimous in the box 1, realize accurate constant temperature. Meanwhile, if the pressure sensor 20 detects that the pressure in the box body 1 exceeds the early warning value, the controller controls the electric control air valve 18 to be opened, when the air pressure is recovered to the normal value range, the controller controls the electric control air valve 18 to be closed, the effect of automatically stabilizing the air pressure is achieved, and meanwhile the controller controls the alarm 19 to sound, so that a worker is reminded of doing maintenance work.
Claims (6)
1. The utility model provides a heated even heated air circulation vacuum drying machine, includes box, conveyer, blast apparatus, heating device and vacuum pump at least, the box upper end is equipped with the external connecting pipe of intercommunication, connecting pipe and vacuum pump connection, its characterized in that: the conveying device at least comprises roller conveying belts fixed on the inner wall of the box body, the number of the roller conveying belts is at least two, the upper part and the lower part are parallel, the left side and the right side of the roller conveyor belt are both provided with grooves, a tray is arranged on the roller conveyor belt, the tray is in a box cavity shape with an upward opening, the left side and the right side are provided with baffle plates, the lower ends of the baffle plates are provided with convex blocks matched with the grooves, the bottom of the tray is provided with a metal net, the heating device is positioned between the two roller conveyor belts and at least comprises a square fixing frame, a plurality of infrared heating pipes are arranged in the fixing frame side by side, the upper end and the lower end of the fixed frame are respectively provided with an upper heat collecting cover with an upward opening and a lower heat collecting cover with a downward opening, the blowing device comprises a first fan, a second fan and a third fan, and the three are positioned at three corners of the longitudinal section of the box body, and the air outlet of the connecting pipe is positioned at the fourth corner.
2. The heated uniform hot air circulation vacuum dryer according to claim 1, characterized in that: the direction of the air inlet of the first fan is aligned to the second fan, the direction of the air inlet of the second fan is aligned to the third fan, and the direction of the air inlet of the third fan is aligned to the air outlet of the connecting pipe.
3. The heated uniform hot air circulation vacuum dryer according to claim 1, characterized in that: and the air outlets of the first fan, the second fan and the third fan are respectively provided with an electric heating wire.
4. The heated uniform hot air circulation vacuum dryer according to claim 1, characterized in that: and a filter is arranged at the air outlet of the connecting pipe.
5. The heated uniform hot air circulation vacuum dryer according to claim 1, characterized in that: and a pressure sensor and an electric control gas valve are arranged on the inner wall of the box body, and an alarm is arranged on the upper bottom surface of the box body.
6. The heated uniform hot air circulation vacuum dryer according to claim 1, characterized in that: at least two temperature sensors are arranged on the inner wall of the box body, and the two temperature sensors correspond to the two roller conveyor belts respectively in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465917.XU CN212566499U (en) | 2019-12-31 | 2019-12-31 | Heated uniform hot air circulation vacuum drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465917.XU CN212566499U (en) | 2019-12-31 | 2019-12-31 | Heated uniform hot air circulation vacuum drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212566499U true CN212566499U (en) | 2021-02-19 |
Family
ID=74619020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922465917.XU Expired - Fee Related CN212566499U (en) | 2019-12-31 | 2019-12-31 | Heated uniform hot air circulation vacuum drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212566499U (en) |
-
2019
- 2019-12-31 CN CN201922465917.XU patent/CN212566499U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |