CN219229008U - Horizontal air supply type baking oven - Google Patents

Abstract

The utility model provides a horizontal air supply type oven which comprises an inner bin forming a drying inner cavity and a plurality of groups of air supply units arranged on the inner bin, wherein the inner bin comprises a left inner bin plate and a right inner bin plate which are oppositely arranged, each group of air supply units comprises an air duct detachably arranged on the inner bin wall, a heating unit arranged in the air duct and a fan assembly arranged on the air duct, and two ends of the air duct are respectively connected with the left inner bin plate and the right inner bin plate. Each group of air supply units in the horizontal air supply type oven can be detachably arranged on the inner bin, so that the oven is easy to detach and install, is convenient to maintain, and is beneficial to reducing maintenance cost; and can also realize the regional air supply for horizontal air supply formula oven not only can improve the thermal efficiency of air supply unit, can also improve interior storehouse temperature distribution's homogeneity.

Description

Horizontal air supply type baking oven

Technical Field

The utility model relates to the technical field of tobacco production, in particular to a horizontal air supply type oven.

Background

The water content is an important index in the processing of tobacco and tobacco products. For the same kind of cigarettes, the water content is different, and the feeling during smoking is also different. In the technological processes of threshing and redrying, tobacco storage and transportation, alcoholization, shredding, rolling and the like, moisture directly affects the consumption, physical characteristics and internal sensory quality of tobacco and tobacco products in the processing process. The tobacco industry mainly adopts a constant temperature drying oven to measure the moisture of tobacco and tobacco products, and the constant temperature drying oven is an important metering device in the processing process of the tobacco and the tobacco products. Therefore, the accuracy of the measurement result of the constant temperature drying oven for cigarettes plays an important role in the tobacco industry.

The design structure of the existing horizontal air supply type drying box is different, but the heating unit, the fan and the like are all integrally designed, when one element fails, the whole drying box needs to be disassembled, so that the drying box is not easy to disassemble, and the maintenance cost is increased. In addition, existing drying cabinets typically have only one set of heating units and fans, which makes the temperature distribution within the cabinet uneven.

Disclosure of Invention

In view of the foregoing, it is clearly desirable to provide a horizontal air-blowing type oven to solve the above problems.

Specifically, a horizontal air-blowing type oven comprises: the inner bin forming the drying inner cavity and the multiple groups of air supply units arranged on the inner bin, wherein the inner bin comprises a left inner bin plate and a right inner bin plate which are oppositely arranged, each group of air supply units comprises a ventilating duct detachably arranged on the inner bin wall, a heating unit arranged in the ventilating duct and a fan assembly arranged on the ventilating duct, and two ends of the ventilating duct are respectively connected with the left inner bin plate and the right inner bin plate.

Based on the horizontal air supply type oven, the horizontal air supply type 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 is further provided with a moisture discharging port and a fresh air port, the moisture discharging port and the fresh air port are respectively arranged on two sides of the heating unit, and the fresh air port is close to the fan assembly.

Based on the above, the ventilation duct includes a left ventilation duct, a rear ventilation duct, and a right ventilation duct, and the left ventilation duct is mounted on the left inner deck, and the right ventilation duct is mounted on the right inner deck; the moisture discharging port is arranged on the left ventilation pipe; the fan assembly is installed the right-hand member of back ventilation pipe, the fan assembly includes fan motor and wind wheel, the fan motor is installed outside the back ventilation pipe, the wind wheel is installed in the back ventilation pipe, the new trend mouth sets up on the right side ventilation pipe, heating unit installs in the back ventilation pipe.

Based on the above, the moisture discharging port is arranged at one end of the left side ventilation pipe close to the rear ventilation pipe, the fan assembly is arranged at one end of the rear ventilation pipe close to the right side ventilation pipe, the axial end face of the wind wheel is opposite to the right side ventilation pipe and the inner bin, and the fresh air port is arranged at one end of the right side ventilation pipe close to the rear ventilation pipe; therefore, the horizontal air supply type oven can promote airflow to flow and timely discharge moisture.

Based on the above, the air regulating plate is arranged in the left ventilation pipe, and the air regulating plate can rotate to adjust the angle with the left inner bin plate, so that air supply is more stable. Preferably, an air regulating plate is also arranged in the right ventilating pipe, and the air regulating plate can rotate to adjust the angle between the air regulating plate and the right inner bin plate.

Based on the above, interior storehouse still includes back interior storehouse board, goes up interior storehouse board and lower interior storehouse board, and each interior storehouse board is connected and is formed stoving inner chamber and this stoving inner chamber are uncovered to be set up, be provided with vent array on left side interior storehouse board and the right side interior storehouse board respectively, this vent array is just to setting up with corresponding left side ventilation pipe and right side ventilation pipe respectively, and the interval sets up between the vent array on the same interior storehouse board, and every vent array comprises the multirow ventilation hole, from the aperture of back to preceding every row ventilation hole increases gradually to guarantee interior storehouse temperature distribution's homogeneity.

Based on the above, install two pairs of horizontal aviation baffles in the interior storehouse, every horizontal aviation baffle of pair sets up relatively in on storehouse board in left side and the storehouse board in right side, 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 oven.

Based on the horizontal air supply type drying oven, the horizontal air supply type drying oven further comprises a plurality of temperature sensors arranged in the inner bin, so that the temperature of the drying inner cavity can be monitored in real time, and the temperature distribution in the horizontal air supply type drying oven is ensured to be uniform.

Based on the horizontal air supply type drying oven, 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, and the temperature checking pipeline is arranged on the inner bin and extends into the drying inner cavity; therefore, the temperature of the central area in the calibration oven is conveniently detected, and the temperature of the center of the drying cavity is conveniently controlled.

The horizontal air supply type oven further comprises a supporting frame, wherein the supporting frame comprises an inner bin supporting frame and a long upright post connected with the inner bin supporting frame, the inner bin is arranged on the inner bin supporting frame, and the ventilating duct is arranged on the long upright post; this ensures the stability of the oven.

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.

Therefore, the horizontal air supply type baking oven provided by the utility model comprises a plurality of groups of air supply units, and each group of air supply units is detachably arranged on the inner bin, so that the baking oven is easy to detach and install, is convenient to maintain, and is beneficial to reducing maintenance cost. In addition, the air supply units of the horizontal air supply type oven are divided into a plurality of groups, so that regional air supply can be realized, and the horizontal air supply type oven not only can improve the heat efficiency of the air supply units, but also can improve the uniformity of the temperature distribution of the inner bin.

Drawings

Fig. 1 is an exploded view of a horizontal air-blowing oven according to an embodiment of the present utility model.

Fig. 2 is a perspective view showing an internal structure of the horizontal air blast oven shown in fig. 1.

Fig. 3 is a schematic view of the inner cartridge structure shown in fig. 1.

Fig. 4 is a left side view of each set of air moving assemblies shown in fig. 1.

Fig. 5 is a schematic view of the structure of the support frame shown in fig. 1.

Fig. 6 is a cross-sectional view of each set of air-moving components in a horizontal air-moving oven according to a third embodiment of the present utility model, taken along line A-A shown in fig. 4.

Fig. 7 is a schematic structural diagram of a left inner bin plate in a horizontal air-blowing oven according to a fourth embodiment of the present utility model.

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 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 oven, comprising an inner bin 1 forming a drying cavity, three groups of air-supplying units 2 mounted on the inner bin 1, a supporting frame 3 supporting the inner bin 1 and the air-supplying units 2, and a housing 4, wherein the inner bin 1 comprises a left inner bin plate 11 and a right inner bin plate which are oppositely arranged, each group of air-supplying units 2 comprises an air duct 21 detachably mounted on the inner bin wall, a heating unit 22 mounted in the air duct 21, and a fan assembly 23 mounted on the air duct 21, and two ends of the air duct 21 are respectively connected with the left inner bin plate 11 and the right inner bin plate. Three sets of air supply units 2 are installed between the inner bin 1 and the housing 4. The housing 4 accommodates the inner bin 1, three sets of air supply units 2, and a support 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 drying tobacco or products thereof. 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 for placing dried tobacco or products thereof are further arranged 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 arranged at the interval between the adjacent vent hole arrays on the left inner bin plate 11, and the right horizontal air deflector is arranged at the interval between the adjacent vent hole arrays on the right inner bin plate, so that the tobacco or products to be dried can be placed in the inner bin, the air supply efficiency and the temperature distribution in the inner bin are not influenced, and the heat utilization rate of the horizontal air supply type oven is improved.

Nine temperature sensors 14 are installed in the inner bin 1. Wherein, four temperature sensors 14 are respectively arranged on the upper inner bin plate and the lower inner bin plate of the inner bin 1, and the other temperature sensor is a central temperature sensor for detecting the central temperature of the drying cavity, and the central temperature sensor is arranged in a temperature checking pipeline 15. Specifically, the temperature checking pipeline 15 sequentially passes through the rear ventilation pipe and the rear inner bin plate, and the temperature checking pipeline 15 can stretch and extend into the drying inner cavity; therefore, the temperature sensors 14 in the inner bin 1 are matched with each other, so that the temperature of the oven can be monitored in real time, and the accurate control of the temperature in the oven can be realized.

The three groups of air supply units 2 are arranged from top to bottom in a stacked mode, and 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 an air duct 21 detachably mounted on the wall of the inner bin 1, a heating unit 22, a fan assembly 23, a moisture removal port 24 and a fresh air port 28. Wherein the heating unit 22 and the fan assembly 23 are mounted on the ventilation duct 21. The ventilating duct 21 is fixed on the inner bin 1 through a sealing ring and a nut. In this embodiment, the ventilation duct 21 is integrally C-shaped and mainly comprises a left ventilation duct, a rear ventilation duct and a right ventilation duct, and the two side ventilation ducts are respectively disposed at two ends of the rear ventilation duct. The left ventilation pipe is detachably mounted on the left inner bin plate 11, and the right ventilation pipe is detachably mounted on the right inner bin plate. The left ventilation pipe and the right ventilation pipe are respectively opposite to the corresponding vent hole arrays on the inner bin plate. The moisture removal port 24 is disposed at an end of the left side ventilation pipe adjacent to the rear ventilation pipe, and the fresh air port 28 is disposed at an end of the right side ventilation pipe adjacent to the rear ventilation pipe. In other embodiments, the ventilation duct 21 is a range hood type or vacuum duct.

The heating unit 22 is installed in the rear ventilating duct. The heating unit 22 may be an electric heating unit, a microwave heating unit, or an electromagnetic heating unit. In this embodiment, each heating unit 22 is a U-shaped constant electric heating rod, the heating power of the U-shaped constant heating rod is 1 KW, and the U-shaped opening of the U-shaped heating rod faces the moisture discharging opening 24. Therefore, not only can the moisture in the inner bin of the oven be discharged in time, but also the assembly is convenient. The fan assembly 23 is disposed at an end of the rear ventilation duct near the right ventilation duct. The fan assembly 23 comprises a fan motor and a wind wheel, the fan motor is arranged outside the rear ventilation pipe, the wind wheel is arranged in the rear ventilation pipe, the fan assembly 23 comprises a fan motor 25 and a wind wheel 26, the fan motor 25 is arranged at the right end of the outer surface of the rear ventilation pipe, the wind wheel 26 is arranged in the right end of the rear ventilation pipe, and the axial end face of the wind wheel 26 is opposite to the right ventilation pipe and the inner bin. 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 air volume of the wind wheel 26 is 10 m ³ /min。

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 ventilation pipeline 21 is installed above the inner bin supporting frame 31, two ends of the rear ventilation pipe are respectively installed on the long upright posts 33, and the bottom of the inner bin 1 is fixed on the inner bin supporting frame 31.

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. An insulation layer is arranged on the inner wall of the shell 4, and in the embodiment, the insulation layer is made of aluminum silicate cotton combined polyurethane foaming material.

The horizontal air-supplying type oven further comprises an electric control device 44 arranged at the upper part of the shell, wherein the electric control device 44 comprises a controller and a display. The controller is mainly used for controlling the switch of the horizontal air supply type 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 utilized to start the horizontal air supply type oven, the heating unit 2 starts to heat, the fan motor 25 drives the wind wheel 26 to rotate, negative pressure is carried out on the axial end face of the fan to suck wind, then the wind is discharged from the fresh air port 28, the wind 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 flows into the inner bin 1 through the air regulating plate 27 through the air holes on the left inner bin plate 11, and flows into the right ventilation pipe through the air holes on the right inner bin plate, and finally the wind is discharged from the fresh air port 28 on the right ventilation pipe, so that horizontal air supply is realized.

Example two

The present embodiment provides a horizontal air-supplying type oven, which has substantially the same structure as the horizontal air-supplying type oven provided in the first embodiment, and is mainly different in 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 the controller is connected with the temperature sensor 14, so that the temperature and humidity of the oven are accurately controlled.

Example III

Referring to fig. 6, the present embodiment provides a horizontal air-blowing type oven, which has a structure substantially the same as that of the horizontal air-blowing type oven provided in the second embodiment, and the main differences are as shown in fig. 6. Each group of air supply units 2 in this embodiment further comprises two air regulating plates 27, which air regulating plates 27 are mounted in said left and right side ventilation pipes, respectively. The junction of every air regulating plate 27 and its side ventilation pipe inner wall that is located sets up the pivot, and air regulating plate 27 can rotate around its pivot, adjusts air regulating plate 27 with the angle of left side interior storehouse board corresponds the part for the air supply is more stable. In other embodiments, the rotation axis of the damper 27 may be disposed at the center thereof.

Example IV

Referring to fig. 7, the present embodiment provides a horizontal air-blowing type oven, which has a structure substantially the same as that of the horizontal air-blowing type oven provided in the third embodiment, and the main differences are as shown in fig. 7. The aperture of each row of vent holes in the vent hole arrays 12 on the left and right inner warehouse boards 11 and 12 in this embodiment is gradually increased in the back-to-front direction to ensure uniformity of temperature distribution in the inner warehouse.

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 (12)

1. A horizontal air supply formula oven, its characterized in that: the drying device comprises an inner bin forming a drying inner cavity and a plurality of groups of air supply units arranged on the inner bin, wherein the inner bin comprises a left inner bin plate and a right inner bin plate which are oppositely arranged, each group of air supply units comprises a ventilating duct detachably arranged on the inner bin wall, a heating unit arranged in the ventilating duct and a fan assembly arranged on the ventilating duct, and two ends of the ventilating duct are respectively connected with the left inner bin plate and the right inner bin plate.

2. The horizontal air-fed oven of 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. The horizontal air-fed oven according to claim 1 or 2, characterized in that: the ventilating duct is further provided with a moisture discharging port and a fresh air port, the moisture discharging port and the fresh air port are respectively arranged on two sides of the heating unit, and the fresh air port is close to the fan assembly.

4. A horizontal air-fed oven as claimed in claim 3, wherein: the ventilating duct comprises a left ventilating duct, a rear ventilating duct and a right ventilating duct, the left ventilating duct is arranged on the left inner bin plate, and the right ventilating duct is arranged on the right inner bin plate; the moisture discharging port is arranged on the left ventilation pipe; the fan assembly is installed the right-hand member of back ventilation pipe, the fan assembly includes fan motor and wind wheel, the fan motor is installed outside the back ventilation pipe, the wind wheel is installed in the back ventilation pipe, the new trend mouth sets up on the right side ventilation pipe, heating unit installs in the back ventilation pipe.

5. The horizontal air-fed oven of claim 4, wherein: the moisture discharging port is arranged at one end of the left side ventilation pipe close to the rear ventilation pipe, the fan assembly is arranged at one end of the rear ventilation pipe close to the right side ventilation pipe, the axial end face of the wind wheel is opposite to the right side ventilation pipe and the inner bin, and the fresh air port is arranged at one end of the right side ventilation pipe close to the rear ventilation pipe.

6. The horizontal air-fed oven of claim 4, wherein: an air adjusting plate is arranged in the left ventilation pipe and can rotate to adjust the angle between the air adjusting plate and the left inner bin plate.

7. The horizontal air-fed oven of claim 5 or 6, wherein: the inner bin further comprises a rear inner bin plate, an upper inner bin plate and a lower inner bin plate, the inner bin plates are connected to form a drying inner cavity, the drying inner cavity is arranged in an open mode, vent hole arrays are respectively arranged on the left inner bin plate and the right inner bin plate and are respectively opposite to the corresponding left vent pipe and right vent pipe, 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 rear side to the front side.

8. The horizontal air-fed oven as claimed in claim 7, wherein: two pairs of horizontal air deflectors are installed in 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.

9. The horizontal air-fed oven of claim 4, wherein: the air duct type air conditioner further comprises a supporting frame, wherein the supporting frame comprises an inner bin supporting frame and a long upright post connected with the inner bin supporting frame, the inner bin is installed on the inner bin supporting frame, and the ventilating duct is installed on the long upright post.

10. The horizontal air-fed oven according to claim 1 or 2, characterized in that: it also includes a plurality of temperature sensors mounted in the inner bin.

11. The horizontal air-supplying type oven according to claim 10, wherein the temperature sensor includes a center temperature sensor for detecting a center temperature of the drying chamber, the center temperature sensor being installed in a temperature check duct installed on the inner tub and extending into the drying chamber.

12. The horizontal air-fed oven according to claim 1 or 2, characterized in that: the adjacent air supply units are sealed by sealing gaskets.

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