CN219199760U - Horizontal air supply type constant temperature drying oven - Google Patents
Horizontal air supply type constant temperature drying oven Download PDFInfo
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- CN219199760U CN219199760U CN202223299731.XU CN202223299731U CN219199760U CN 219199760 U CN219199760 U CN 219199760U CN 202223299731 U CN202223299731 U CN 202223299731U CN 219199760 U CN219199760 U CN 219199760U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a horizontal air supply type constant temperature drying oven which comprises an inner bin forming a drying inner cavity and a plurality of groups of air supply units connected with the inner bin, wherein the inner bin is provided with ventilation holes, the air supply units are arranged in parallel at intervals, each group of air supply units comprises a ventilation pipeline, a heating unit arranged in the ventilation pipeline, a fan assembly connected with the ventilation pipeline, a moisture discharging port and a fresh air port which are communicated with the ventilation pipeline, two ends of the ventilation pipeline are respectively provided with a horn pipe facing the inner bin, and each horn pipe is detachably arranged on the wall of the inner bin and faces the ventilation holes. The horn pipe in each group of air supply units in the horizontal air supply type constant temperature drying oven is detachably arranged on the inner bin wall, so that regional air supply can be realized, the heat efficiency of the air supply units can be improved, and the temperature distribution of the inner bin can be more uniform.
Description
Technical Field
The utility model relates to the technical field of tobacco production, in particular to a horizontal air supply type constant temperature drying oven.
Background
The water content is an important index in the processing of tobacco and tobacco products. The tobacco industry determines the moisture content according to YC/T31-1996 oven method for preparing samples of tobacco and tobacco products and measuring moisture, wherein an oven, namely a constant temperature drying oven, is an indispensable detection device, so that the accuracy of the measurement result of the constant temperature drying oven for the tobacco plays an important role in the tobacco industry and directly influences the accuracy of the measurement result of the moisture content of the tobacco and tobacco products.
The existing horizontal air supply type drying box is generally provided with only one air supply channel, and the air supply channel is basically provided with only a wind wheel and a heating unit, so that the structure is simple, and the uniformity of the temperature distribution inside the drying box can not be ensured.
Disclosure of Invention
In view of the foregoing, it is clearly necessary to provide a horizontal blowing type constant temperature drying oven to solve the above problems.
Specifically, a horizontal air supply type constant temperature drying oven comprises: the inner bin forming the drying inner cavity and with the multiunit air supply unit that the inner bin is connected, wherein, the inner bin is provided with the ventilation hole, parallel and interval sets up between the air supply unit, and every group air supply unit includes the air pipe, installs heating unit in the air pipe, the fan subassembly of being connected with the air pipe, the moisture discharging mouth and the new trend mouth of being connected with the air pipe, the both ends of air pipe set up respectively one towards the horn pipe of inner bin, and every horn pipe demountable installation on the inner bin wall and towards the ventilation hole.
Based on the horizontal air supply type constant temperature drying oven, the constant temperature drying oven further comprises a controller which is respectively connected with the heating unit and the fan unit and can control each group of air supply units to independently operate; thus, the temperature distribution of the drying inner cavity is controlled accurately.
Based on the above, the ventilation pipeline comprises a rear ventilation pipe and two side ventilation pipes, one end of each side ventilation pipe is connected with the rear ventilation pipe, and the other end of each side ventilation pipe is provided with the horn pipe.
Based on the above, the air distribution plate arranged at intervals with the inner bin is arranged in the horn tube, and a plurality of ventilation holes are formed in the air distribution plate.
Based on the above, interior storehouse is by left interior storehouse board, back interior storehouse board, right interior storehouse board, go up interior storehouse board and lower interior storehouse board formation and is formed open stoving inner chamber, back interior storehouse board with back ventilation pipe interval and parallel arrangement, two horns on each air pipe are towards relative setting respectively in left interior storehouse board and the right interior storehouse board, be provided with respectively on left interior storehouse board and the right interior storehouse board with the vent array that the horns correspond, the interval sets up between the vent array on the same interior storehouse board, and each vent array comprises the multirow vent, and every row vent is from centre to both sides aperture increase gradually to guarantee interior storehouse temperature distribution's homogeneity.
Based on the above, install two pairs of horizontal aviation baffles on the interior storehouse inner wall, every horizontal aviation baffle of pair is in on the storehouse board in left side and the storehouse board in right side relatively, every horizontal aviation baffle all installs the interval department between the adjacent ventilation hole array on same interior storehouse board to improve the heat utilization ratio of above-mentioned horizontal air supply formula constant temperature drying cabinet.
Based on the horizontal air supply type constant temperature drying oven, the horizontal air supply type constant temperature drying oven further comprises a plurality of temperature sensors arranged in the inner bin so as to monitor the temperature of the drying inner cavity in real time and ensure that the temperature distribution in the horizontal air supply type constant temperature drying oven is uniform.
Based on the above, the temperature sensor includes a central temperature sensor for detecting the central temperature of the drying cavity, the central temperature sensor is installed in a temperature checking pipe installed on the inner bin and extending into the drying cavity; in this way, the central temperature of the calibration oven is conveniently detected.
Based on the above, the heating unit is installed in the rear ventilation pipe, the moisture discharging port and the fresh air port are respectively arranged at two sides of the heating unit, the fan assembly is installed at the joint of the rear ventilation pipe and one of the side ventilation pipes, the fan assembly comprises a fan motor and a wind wheel, the wind wheel is installed in the rear ventilation pipe, and the axial end face of the wind wheel faces the side ventilation pipe completely; thus, the airflow process is shortened, and the heat utilization rate is improved.
Based on the above, the heating unit is a U-shaped heating rod with an opening facing to the left, the moisture discharging opening is arranged at the left side of the heating unit, the fresh air opening is arranged at the right side of the heating unit, and the fan assembly is arranged at the right side of the fresh air opening; therefore, the horizontal air supply type constant temperature drying oven can promote air circulation and timely discharge moisture.
Based on above-mentioned horizontal air supply formula constant temperature drying cabinet, it still includes braced frame, and this braced frame includes interior storehouse braced frame and the long stand of being connected with this interior storehouse braced frame, lower interior storehouse board is installed on the interior storehouse braced frame, back interior storehouse board is installed on the long stand.
Based on the above, the adjacent air supply units are sealed by the sealing gasket, so that heat loss is reduced, and heat efficiency is improved.
The utility model also provides a horizontal air supply type constant temperature drying oven, which comprises: the drying device comprises an inner bin forming a drying inner cavity, a plurality of ventilating ducts arranged on the wall of the inner bin, a plurality of temperature sensors arranged in the inner bin and a controller connected with the temperature sensors, wherein the inner bin comprises a left inner bin plate and a right inner bin plate which are oppositely arranged; the plurality of ventilation pipelines are arranged in parallel, a heating unit and a wind wheel are arranged in each ventilation pipeline, and the heating unit and the wind wheel can be independently controlled by the controller; the moisture discharging opening and the fresh air opening are formed in each ventilating duct, and two ends of each ventilating duct are connected with the left inner bin plate and the right inner bin plate through a horn pipe respectively.
Therefore, the horizontal air supply type constant temperature drying box provided by the utility model comprises a plurality of groups of air supply units, the air supply units are arranged at intervals, each group of air supply units comprises the ventilating duct, the two ends of each ventilating duct are provided with the horn pipe facing the inner bin, and the horn pipe is detachably arranged on the wall of the inner bin, so that regional air supply can be realized, the heat efficiency of the air supply units can be improved, and the temperature distribution of the inner bin can be more uniform. In addition, the horizontal air supply type constant temperature drying oven provided by the utility model has the advantages that the multiple groups of air supply units are detachably arranged, so that the drying oven is easy to detach and install, the maintenance is convenient, and the maintenance cost is reduced.
Drawings
Fig. 1 is an exploded view of a horizontal air-supplying type constant temperature drying oven according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the internal structure of the horizontal blowing type thermostatic drying oven shown in fig. 1.
Fig. 3 is a front view of the internal structure shown in fig. 2.
Fig. 4 is a cross-sectional view of an internal structure of a horizontal blowing type thermostatic drying chamber according to an embodiment of the present utility model along a line A-A shown in fig. 3.
Fig. 5 is a schematic view of the structure of the support frame shown in fig. 1.
Wherein reference numerals in the drawings represent: 1. an inner bin; 11 left inner bin plate; 12. an array of vent holes; 13. a horizontal air deflector; 14. a temperature sensor; 15. a temperature checking pipeline; 2 an air supply unit; 21 a ventilation duct; 22. a heating unit; 23. a fan assembly; 24. a moisture discharging port; 25. a fan motor; 26. a wind wheel; 27. an air adjusting plate; 28. a horn tube; 29. a new wind gap; 3, supporting a frame; 31. an inner bin support frame; 32. a short column; 33. two long upright posts; 34. a cross beam; 4. a housing; 42 universal wheels; 44. and an electric control device.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments. In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", and the like merely represent relative positional relationships.
Example 1
Referring to fig. 1 to 5, the present utility model provides a horizontal air-supplying type constant temperature drying oven, comprising: the air supply device comprises an inner bin 1, three groups of air supply units 2 and a supporting frame 3, wherein the three groups of air supply units 2 are parallel to each other and are arranged at intervals and are connected with the inner bin 1, and the inner bin 1 is installed on the supporting frame 3.
The inner bin 1 is mainly an open drying inner cavity without a front inner bin plate, which is formed by a left inner bin plate 11, a rear inner bin plate, a right inner bin plate, an upper inner bin plate and a lower inner bin plate and is used for placing tobacco to be dried. Wherein the inner bin walls are also the panel walls of each of the inner bin panels. Three groups of vent hole arrays 12 are respectively arranged on the left inner bin plate 11 and the right inner bin plate, the three groups of vent hole arrays 12 on the same inner bin plate are arranged at intervals, and each group of vent hole arrays 12 consists of a plurality of rows of vent holes. Two pairs of horizontal air deflectors 13 are further installed in the inner bin 1, each pair of horizontal air deflectors 13 comprises a left horizontal air deflector and a right horizontal air deflector, the left horizontal air deflector is installed at the interval between the adjacent vent hole arrays on the left inner bin plate 11, and the right horizontal air deflector is installed at the interval between the adjacent vent hole arrays on the right inner bin plate, so that the heat utilization rate of the horizontal air supply type constant temperature drying oven is improved.
The three groups of air supply units 2 are arranged from top to bottom in a stacked mode, and the adjacent air supply units 2 are sealed through sealing gaskets, so that heat loss is reduced, and heat efficiency is improved. Each group of air supply units 2 comprises a ventilating duct 21, a heating unit 22 arranged in the ventilating duct 21, a fan assembly 23 connected with the ventilating duct 21, a moisture discharging port 24 communicated with the ventilating duct 21 and a fresh air port 29. The ventilation duct 21 is mainly composed of a left ventilation duct, a rear ventilation duct and a right ventilation duct. The rear ventilation pipe and the inner bin 1 are arranged at intervals. The left ventilation pipe and the right ventilation pipe are oppositely arranged, one end of each ventilation pipe is connected with the rear ventilation pipe, and the other end of each ventilation pipe is provided with a horn pipe 28 facing the inner bin 1. The horn tube 28 is detachably arranged on the left inner bin plate wall and the right inner bin plate wall of the inner bin 21 through sealing rings and nuts. The horn 28 is disposed directly opposite the vent arrays on its corresponding inner deck. The horn tube 28 is internally provided with air distribution plates 27 which are arranged at intervals with the inner bin 1, the air distribution plates 27 are of a net-shaped structure, and a plurality of ventilation holes are formed in the air distribution plates 27. In this embodiment, the air distribution plate 27 is disposed opposite to the corresponding vent hole array. In other embodiments, the air distribution plate 27 in each horn pipe 28 at the left side of the inner bin 1 can rotate around the rotating shaft thereof, and the angle between the air distribution plate 27 and the corresponding left inner bin plate 11 is adjusted, so that air supply is more stable.
The heating unit 22 is installed in the rear ventilating duct. In this embodiment, each heating unit 22 is a U-shaped constant heating rod with a heating power of 1 KW, and its U-shaped opening is directed toward the moisture outlet 24 on the left side thereof. The fresh air vent 29 is located on the right side of the heating unit 22. Therefore, not only can the moisture in the inner bin of the drying box be discharged in time, but also the assembly is convenient. The fan assembly 23 is arranged at the joint of the rear ventilation pipe and the right ventilation pipe, the fan assembly 23 comprises a fan motor 25 and a wind wheel 26, the fan motor 25 is arranged outside the rear ventilation pipe, and the wind wheel 26 is arranged in the rear ventilation pipe and the axial end face of the wind wheel is completely oriented to the end face of the right ventilation pipe. In this embodiment, the fan assembly 23 is an FLR series small-sized industrial frequency hot air fan, the rotation speed of each fan motor 25 is 2700 r/min, and the maximum air volume of the wind wheel 26 is 10 m 3 /min。
Nine temperature sensors 14 are installed in the inner bin 1. Four temperature sensors 14 are respectively arranged on the upper inner bin plate and the lower inner bin plate of the inner bin 1, the other temperature sensor is a central temperature sensor for detecting the central temperature of the drying cavity, the central temperature sensor is arranged in a temperature checking pipeline 15, the temperature checking pipeline 15 sequentially passes through the rear ventilation pipe and the rear inner bin plate, and the temperature checking pipeline 15 is telescopic and extends into the drying cavity. In this way, the temperature of the vacuum drying oven can be monitored in real time through each temperature sensor 14 in the inner bin 1, and the temperature in the oven is accurately controlled, so that the temperature of the drying inner cavity formed by the inner bin 1 is uniformly distributed.
The supporting frame 3 is formed into a backrest chair type by an inner bin supporting frame 31, two short upright posts 32, two long upright posts 33 and a cross beam 34. The short upright posts 32 and the long upright posts 33 are arranged in parallel with each other and perpendicular to the inner bin support frame 31. The inner bin supporting frame 31 is composed of four horizontal columns which are sequentially connected end to end, and supported by the short columns 32 and the long columns 33, the two short columns 32 are located at the front end of the inner bin supporting frame 31, the two long columns 33 are located at the rear end of the inner bin supporting frame 31, and the top ends of the short columns 32 are connected with the inner bin supporting frame 31. The cross beam 34 is mounted on top of the long upright 33. The lower inner bin plate is mounted on the inner bin support frame 31, and the rear inner bin plate is mounted on the long upright 33, so that the stability of the oven is ensured.
The horizontal air supply type constant temperature drying oven further comprises a shell 4, wherein the shell 4 accommodates the inner bin 1, the three groups of air supply units 2 and the supporting frame 3. The shell 4 comprises a box door positioned at the front end, a back plate arranged opposite to the box door, a left side plate and a right side plate which are respectively adjacent to the box door and the back plate, wherein the box door is matched with the inner bin 1 to form a closed drying cavity. In this embodiment, the casing 4 is formed by spraying plastic on a metal plate (Q235), and 4 universal wheels 42 are mounted at the bottom of the casing 4, so as to facilitate the movement of the horizontal air-supply type oven. The heat insulation layers are arranged on the inner wall of the shell 4, the inner wall of the ventilation pipeline 21 and the inner wall of the rear inner bin plate, and in the embodiment, the heat insulation layers are made of aluminum silicate cotton combined polyurethane foaming materials.
The horizontal air supply type constant temperature drying box further comprises an electric control device 44 arranged on the upper inner bin plate wall, and the electric control device 44 is also arranged on the upper portion of the shell 4. The electronic control device 44 comprises a controller and a display, wherein the controller mainly controls the switch of the horizontal air supply type constant temperature drying oven. The display can display parameters such as set temperature, fan rotating speed, air quantity and the like.
After the electric control device 44 is used for starting the horizontal air supply type constant temperature drying oven, the heating unit 2 starts to heat, the fan motor 25 drives the wind wheel 26 to rotate, negative pressure air suction is carried out on the axial end face of the fan, air is carried out through the fresh air port 29, the air flows into the left ventilation pipe after being heated by the U-shaped heating rod of the heating unit in the rear ventilation pipe, then the air flows into the inner bin 1 through the air distribution plate 27 in the horn pipe 28 in the left inner bin plate 11, and the air flows into the right ventilation pipe through the air distribution plate 27 in the horn pipe 28 on the right side from the air hole in the right inner bin plate, and finally the air is carried out through the fresh air port 29 on the rear ventilation pipe, so that horizontal air supply is realized.
Example two
The embodiment provides a horizontal air supply type constant temperature drying oven, the structure of which is basically the same as that of the horizontal air supply type constant temperature drying oven provided in the first embodiment, and the main differences are that: the controller in the electronic control device 44 in this embodiment can control the specific operation state of the constant temperature drying oven in addition to the switch of the horizontal air-supplying type oven. Specifically, the controller is electrically connected with the heating units 22 and the fan assemblies 23 in each group of air supply units 2, so as to separately control heating parameters such as heating temperature and heating time of each group of air supply units 2 and air supply parameters such as fan rotating speed and air quantity, and meanwhile, the controller is connected with the temperature sensor 14, so that accurate control of the temperature and humidity of the oven is realized.
Example III
The present embodiment provides a horizontal air-supplying type constant temperature drying oven, which has the same structure as the horizontal air-supplying type constant temperature drying oven provided in the first embodiment or the second embodiment, and mainly differs in that: in this embodiment, the aperture of each row of vent holes in each group of vent hole arrays 12 gradually increases from the middle to the two ends, that is, the aperture of the vent hole located in the middle in each row of vent holes is the smallest, and the aperture of the outermost end is the largest, so as to ensure the uniformity of the temperature distribution in the inner bin.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (13)
1. A horizontal air supply type constant temperature drying oven is characterized in that: the drying device comprises an inner bin forming a drying inner cavity and a plurality of groups of air supply units connected with the inner bin, wherein the inner bin is provided with vent holes, the air supply units are arranged in parallel and at intervals, each group of air supply units comprises a vent pipe, a heating unit arranged in the vent pipe, a fan assembly connected with the vent pipe, a moisture discharging port communicated with the vent pipe and a fresh air port, two ends of the vent pipe are respectively provided with a horn pipe facing the inner bin, and each horn pipe is detachably arranged on the wall of the inner bin and faces the vent holes.
2. The horizontal blowing type constant temperature drying oven according to claim 1, wherein: the air supply system further comprises a controller which is respectively connected with the heating unit and the fan assembly and can control each group of air supply units to independently operate.
3. A horizontal blowing type thermostatic drying chamber according to claim 1 or 2, wherein: the ventilating duct comprises a rear ventilating duct and two side ventilating ducts, one end of each side ventilating duct is connected with the rear ventilating duct, and the other end of each side ventilating duct is provided with the horn tube.
4. A horizontal blowing type thermostatic drying chamber according to claim 3, wherein: the horn tube is internally provided with air distribution plates which are arranged at intervals with the inner bin, and a plurality of ventilation holes are formed in the air distribution plates.
5. The horizontal blowing type constant temperature drying oven according to claim 4, wherein: the inner bin comprises a left inner bin plate, a rear inner bin plate, a right inner bin plate, an upper inner bin plate and a lower inner bin plate, wherein an open drying inner cavity is formed by the rear inner bin plate, the rear inner bin plate is arranged at intervals with the rear ventilating pipes in parallel, two hornpipes on each ventilating pipe face the left inner bin plate and the right inner bin plate which are oppositely arranged respectively, vent hole arrays corresponding to the hornpipes are respectively arranged on the left inner bin plate and the right inner bin plate, the vent hole arrays on the same inner bin plate are arranged at intervals, each vent hole array is composed of multiple rows of vent holes, and the aperture of each row of vent holes is gradually increased from the middle to the two sides.
6. The horizontal blowing type constant temperature drying oven according to claim 5, wherein: two pairs of horizontal air deflectors are installed on the inner wall of the inner bin, each pair of horizontal air deflectors is oppositely arranged on the left inner bin plate and the right inner bin plate, and each horizontal air deflector is installed at the interval between the adjacent vent hole arrays on the same inner bin plate.
7. A horizontal blowing type thermostatic drying chamber according to claim 1 or 2, wherein: it also includes a plurality of temperature sensors mounted in the inner bin.
8. The horizontal blowing type constant temperature drying oven according to claim 7, wherein: the temperature sensor comprises a central temperature sensor for detecting the central temperature of the drying inner cavity, the central temperature sensor is arranged in a temperature checking pipeline which is arranged on the inner bin and extends into the drying inner cavity.
9. The horizontal blowing type constant temperature drying oven according to claim 5, wherein: the heating unit is installed in the rear ventilation pipe, the moisture discharging port and the fresh air port are respectively arranged on two sides of the heating unit, the fan assembly is installed at the joint of the rear ventilation pipe and one of the side ventilation pipes, the fan assembly comprises a fan motor and a wind wheel, the wind wheel is installed in the rear ventilation pipe, and the axial end face of the wind wheel faces the side ventilation pipe completely.
10. The horizontal blowing type constant temperature drying oven according to claim 9, wherein: the heating unit is a U-shaped heating rod with an opening facing to the left, the moisture discharging opening is arranged on the left side of the heating unit, the fresh air opening is arranged on the right side of the heating unit, and the fan assembly is arranged on the right side of the fresh air opening.
11. The horizontal blowing type constant temperature drying oven according to claim 9, wherein: the rear inner bin plate is mounted on the long upright post.
12. A horizontal blowing type thermostatic drying chamber according to claim 1 or 2, wherein: the adjacent air supply units are sealed by sealing gaskets.
13. A horizontal air supply type constant temperature drying oven is characterized in that: the drying device comprises an inner bin forming a drying inner cavity, a plurality of ventilating ducts arranged on the wall of the inner bin, a plurality of temperature sensors arranged in the inner bin and a controller connected with the temperature sensors, wherein the inner bin comprises a left inner bin plate and a right inner bin plate which are oppositely arranged; the plurality of ventilation pipelines are arranged in parallel, a heating unit and a wind wheel are arranged in each ventilation pipeline, and the heating unit and the wind wheel can be independently controlled by the controller; the moisture discharging opening and the fresh air opening are formed in each ventilating duct, and two ends of each ventilating duct are connected with the left inner bin plate and the right inner bin plate through a horn pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223299731.XU CN219199760U (en) | 2022-12-09 | 2022-12-09 | Horizontal air supply type constant temperature drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223299731.XU CN219199760U (en) | 2022-12-09 | 2022-12-09 | Horizontal air supply type constant temperature drying oven |
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| Publication Number | Publication Date |
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| CN219199760U true CN219199760U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223299731.XU Active CN219199760U (en) | 2022-12-09 | 2022-12-09 | Horizontal air supply type constant temperature drying oven |
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| Country | Link |
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| CN (1) | CN219199760U (en) |
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2022
- 2022-12-09 CN CN202223299731.XU patent/CN219199760U/en active Active
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