CN224098750U - Scattered tobacco leaf baking and heating device - Google Patents

Abstract

The utility model discloses a scattered tobacco leaf baking and heating device, which relates to the technical field of tobacco leaf processing, and comprises a baking room, at least one heating structure and at least one first fan, wherein the heating structure comprises a plurality of heating plates and at least one heating pipeline, the heating plates are arranged in a heating cavity at intervals along a first horizontal direction, the heating pipeline extends along the first horizontal direction and is spirally arranged on the periphery of each heating plate, the air outlet end of the heating pipeline extends to a heat supply port, the first fan is arranged at the air inlet end of the heating pipeline, so that air can be conveyed into the heating cavity through the heating pipeline, the air circulated in the heating pipeline can be sufficiently heated through the coiled heating pipeline, sufficient heat is ensured to be conveyed into the heating cavity, and the tobacco leaves in each heating cavity are ensured to be uniformly baked through the cooperation of one fan and the plurality of heating pipelines.

Description

Scattered tobacco leaf baking and heating device

Technical Field

The utility model relates to the technical field of scattered tobacco leaf baking and heating devices, in particular to a scattered tobacco leaf baking and heating device.

Background

The mature tobacco leaves are picked and harvested and then are baked in time, the traditional tobacco leaf baking method is to use coal furnaces for self baking at the production place, in recent years, intensive baking is performed in a concentrated region of flue-cured tobacco planting by using intensive baking rooms, so that the equipment processing level, baking room construction quality, tobacco leaf baking process, tobacco leaf baking quality, baking energy consumption and other relevant indexes of the intensive baking rooms are obviously improved and improved, the tobacco leaf quality grade is improved to a certain extent, and in the tobacco leaf generation process, tobacco baking is needed to be performed to improve the tobacco quality.

When tobacco leaf toasts in toasting room, the work of toasting is directly carried out through the hot plate in many, the hot plate promotes the temperature in toasting room gradually in the heating process to the heating toasts the tobacco leaf, but the tobacco leaf that is nearer to the hot plate can directly receive the roast of roasting of hot plate, leads to toasting in advance to accomplish with the tobacco leaf that the hot plate is nearer, and the needs more time of spending more of far distance just can accomplish the toasting, and the tobacco leaf that is nearer this moment is because of toasting time overlength, and the inside moisture of tobacco leaf is excessively evaporated, very easy damaged in the handling, and then influences the quality of this batch of tobacco leaf.

Disclosure of utility model

The utility model mainly aims to provide a scattered tobacco leaf baking and heating device which aims to heat tobacco leaves in a whole baking room at the same time and avoid excessive drying of baking of part of tobacco leaves.

In order to achieve the above object, the scattered tobacco leaf baking and heating device provided by the utility model comprises:

The baking room is provided with baking cavities and heating cavities which are arranged at intervals along the first horizontal direction, at least one heat supply opening is formed in one side surface of the baking cavity, and the heat supply opening is communicated with the heating cavities;

The heating structure comprises a plurality of heating plates and at least one heating pipeline, the heating plates are arranged in the heating cavity at intervals along a first horizontal direction, the heating pipeline is arranged in an extending way along the first horizontal direction and spirally arranged at the periphery side of each heating plate, the air outlet end of the heating pipeline extends to the heat supply opening,

And the first fan is arranged at the air inlet end of the heating pipeline and used for enabling air to be conveyed into the heating cavity through the heating pipeline.

Preferably, the air outlet end of the heating pipeline is provided with a centralized box, the centralized box is mounted at the heat supply port, the centralized box is provided with a cavity, one side surface of the cavity is provided with an opening, the opening is communicated with the heat supply port, and a second fan is arranged in the cavity and used for conveying hot air from the air outlet end of the heating pipeline to the opening.

Preferably, a screen is mounted in the heated port to prevent debris from falling into the bin.

Preferably, a plurality of mounting plates are arranged in the heating cavity, a plurality of positioning grooves are formed in each mounting plate, and the heating plates are movably mounted in the positioning grooves.

Preferably, a fixing component is arranged on the mounting plate and abuts against one side of the heating plate, so that the heating plate is limited to be separated from the positioning groove.

Preferably, the fixing assembly includes:

the screw rod is rotationally connected in the heating plate;

A screw sleeve screw-coupled to an outer circumferential side of the screw to be movable in an axial direction of the screw when the screw is rotated;

and the pressing block is arranged on the threaded sleeve and is slidably connected in the positioning groove and used for pressing the heating plate.

Preferably, the heating conduit is a corrugated hose, and/or,

The heating plate is a microcrystalline heating plate.

Preferably, the mounting plate is provided with a limiting component, and the limiting component is attached to the top side end of the heating plate so as to limit the heating pipe to be separated from the heating plate.

Preferably, the limiting assembly comprises:

A plurality of support columns mounted to a top side of the mounting plate;

the shielding plate is arranged at the top ends of the support columns and is attached to the top side of the heating plate.

Preferably, an auxiliary box is arranged between the fan and the heating pipeline and used for installing a plurality of heating pipelines.

According to the technical scheme, the heating structure comprises a plurality of heating plates and at least one heating pipeline, the heating plates are arranged in the heating cavity at intervals along the first horizontal direction, the heating pipelines are arranged in an extending mode along the first horizontal direction and are spirally arranged on the periphery of each heating plate, the air outlet end of each heating pipeline extends to the heat supply opening, the first fan is arranged at the air inlet end of each heating pipeline and is used for enabling air to be conveyed into the heating cavity through the heating pipeline, the circulating air in the heating pipeline can be fully heated through the heating pipeline arranged in a coiling mode, sufficient heat is guaranteed to be conveyed into the heating cavity, and tobacco leaves in each heating cavity are guaranteed to be uniformly baked through the fact that the fan is matched with the heating pipelines.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a bulk tobacco curing heating device provided by the utility model;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

Fig. 3 is a schematic cross-sectional view of the securing assembly of fig. 1.

Reference numerals illustrate:

1. The baking room comprises a baking room body, a first fan, a heating structure, a heating plate, a heating pipeline, a second fan, a collecting box, a screen, a mounting plate, a fixing assembly, a screw rod, a screw sleeve, a threaded sleeve, a pressing block, a limiting assembly, a shielding plate, a supporting column and a supporting rod.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present utility model), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a scattered tobacco leaf baking and heating device, and fig. 1 to 3 are views showing an embodiment of the scattered tobacco leaf baking and heating device.

Referring to fig. 1 to 3, the scattered tobacco leaf baking and heating device includes a baking chamber 1, at least one heating structure 3 and at least one first fan 2, wherein the baking chamber 1 is formed with a baking cavity and a heating cavity arranged at intervals along a first horizontal direction, at least one heating port is provided on one side of the baking cavity, and the heating port is communicated with the heating cavity, the heating structure 3 includes a plurality of heating plates 31 and at least one heating pipeline 32, the heating plates 31 are arranged in the heating cavity at intervals along the first horizontal direction, the heating pipeline 32 extends along the first horizontal direction, and is spirally arranged on the periphery of each heating plate 31, the air outlet end of the heating pipeline 32 extends to the heating port, and the first fan 2 is mounted on the air inlet end of the heating pipeline 32, so that air is conveyed into the heating cavity through the heating pipeline 32.

The first fan 2 is started, and air enters through the air inlet end of the heating pipeline 32 and is heated when passing through the heating pipeline 32. The heating pipeline 32 is coiled around the periphery of the heating plate 31 to ensure that the air fully absorbs heat, the heated air flows out from the air outlet end of the heating pipeline 32, enters the baking cavity through the heat supply opening, tobacco leaves in the baking cavity are gradually heated, moisture begins to evaporate, the heating pipeline 32 is coiled around the periphery of each heating plate 31 along the first horizontal direction at intervals, the temperature distribution in the baking cavity is ensured to be uniform, local overheating or insufficient heating is avoided, the first fan 2 continuously works, the air circularly flows between the heating pipeline 32 and the baking cavity to keep stable temperature and humidity in the baking cavity, and the tobacco leaves are ensured to be uniformly heated and gradually dried.

The heating pipeline 32 that a plurality of hot plates 31 and circled were established ensures to toast intracavity temperature distribution evenly, avoid the tobacco leaf to be heated unevenly, improve the baking quality, heating pipeline 32 circled around establishing in hot plate 31 week side, increase the area of contact of air and hot plate 31, improve heat exchange efficiency, shorten the baking time, through fan cyclic utilization hot air, reduce the heat loss, reduce the energy consumption, accord with energy-concerving and environment-protective requirement, toast chamber and heating chamber along first horizontal direction interval setting in toast room 1, the steam generator is compact in structure, save space, be convenient for install and maintain, the setting of first fan 2 and heating pipeline 32 makes whole toasting process degree of automation high, easy and simple to handle, reduce manual intervention. Through the arrangement, the tobacco leaf baking process is more efficient and uniform, is energy-saving and environment-friendly, and is beneficial to improving the baking quality and production efficiency of tobacco leaves.

Therefore, in the technical scheme provided by the utility model, the heating structure 3 comprises a plurality of heating plates 31 and at least one heating pipeline 32, the heating plates 31 are arranged in the heating cavity at intervals along the first horizontal direction, the heating pipeline 32 is arranged in an extending manner along the first horizontal direction, and is spirally arranged at the periphery of each heating plate 31, the air outlet end of the heating pipeline 32 extends to the heat supply port, the first fan 2 is arranged at the air inlet end of the heating pipeline 32 so that air is conveyed into the heating cavity through the heating pipeline 32, the circulating air in the heating pipeline 32 can be fully heated through the heating pipeline 32 arranged in a coiling manner, so that sufficient heat is ensured to be conveyed into the heating cavity, and the tobacco leaves in each heating cavity are ensured to be uniformly baked through the cooperation of one fan and the plurality of heating pipelines 32.

The sizes of the heating chambers are different according to the needs, and the diameters of the heating pipes 32 are not generally set to be large, so that the heating effect of the partial areas is deviated, and therefore, the heat output by the heating pipes 32 for conveying the hot air to the same heating chamber needs to be concentrated and conveyed into the heating chambers.

Specifically, in the embodiment of the present utility model, the air outlet end of the heating pipe 32 is provided with a collecting box 5, the collecting box 5 is mounted at the heat supply port, the collecting box 5 is formed with a cavity, one side of the cavity is provided with an opening, the opening is communicated with the heat supply port, and a second fan 4 is disposed in the cavity to convey hot air from the air outlet end of the heating pipe 32 toward the opening.

The air outlet end of the heating pipeline 32 is provided with the centralized box 5, and hot air is conveyed to the heat supply opening in a centralized manner through the second fan 4, so that the hot air can enter the baking cavity efficiently and intensively, heat dissipation is reduced, the utilization rate of the hot air is improved, the second fan 4 is arranged in the centralized box 5, the hot air can be actively conveyed from the air outlet end of the heating pipeline 32 to the heat supply opening quickly, the fluidity and conveying efficiency of the hot air are enhanced, the loss of energy caused by resistance or diffusion of the hot air in the conveying process is avoided, the cavity structure of the centralized box 5 can uniformly distribute the hot air to the heat supply opening, the hot air is ensured to enter the baking cavity at a stable flow rate and pressure, the temperature distribution in the baking cavity is ensured to be more uniform, the local temperature is prevented from being too high or too low, the hot air can enter the baking cavity quickly and stably through the active air supply of the second fan 4, the lifting speed of the temperature in the baking room 1 is accelerated, the preheating time of the baking tobacco leaves is shortened, and the integral baking efficiency is improved.

Further, a screen 6 is installed in the heating port to prevent the chips from falling into the collecting tank 5.

The screen cloth 6 can effectively block tobacco leaf piece, dust or other impurity from toasting the chamber and get into the collection case 5, avoid these piece to pile up in the collection case 5, influence the flow and the distribution of hot-blast, and the piece if get into collection case 5 moreover, probably can be inhaled by second fan 4, leads to fan blade wearing and tearing or jam, influences the normal operating of heating pipeline 32 even, and second fan 4 and heating pipeline 32 can be protected in the installation of screen cloth 6, extension equipment's life.

According to the embodiment of the utility model, a plurality of mounting plates 7 are arranged in the heating cavities, a plurality of positioning grooves are formed in each mounting plate 7, and the heating plates 31 are movably arranged in the positioning grooves.

The heating plate 31 is movably mounted on the mounting plate 7 through the positioning groove to form a modularized structure, the design ensures that the installation and the disassembly of the heating plate 31 are simpler and more convenient, the equipment is convenient to assemble, maintain and replace, and the maintenance cost is reduced.

In order to ensure that the heating plate 31 does not move randomly during use, it needs to be fixed, specifically, in the embodiment of the present utility model, the mounting plate 7 is provided with a fixing component 8, and the fixing component 8 abuts against one side of the heating plate 31 to limit the heating plate 31 from being separated from the positioning groove.

Further, the fixing component 8 includes a screw 81, a threaded sleeve 82, and a pressing block, the screw 81 is rotatably connected with the heating plate 31, the threaded sleeve 82 is in threaded connection with the outer peripheral side of the screw 81, so as to move along the axial direction of the screw 81 when the screw 81 rotates, and the pressing block 83 is disposed on the threaded sleeve 82 and is slidably connected with the positioning groove, so as to press the heating plate 31.

The fixed subassembly 8 adopts the design of screw rod 81 and screw sleeve 82, can realize the removal of pressing piece 83 through rotatory screw rod 81, thereby easily fix or release hot plate 31, this kind of design makes the installation and the dismantlement of hot plate 31 more simple and convenient, save time and human cost, hot and cold shrinkage can take place for hot plate 31 under high temperature environment, the fixed subassembly 8's design allows pressing piece 83 to slide in the constant head tank, can adapt to the dimensional change of hot plate 31 to a certain extent, avoid deformation or damage because of hot and cold shrinkage, and firmly fix hot plate 31 through fixed subassembly 8, hot plate 31 has reduced the wearing and tearing that the hot plate 31 produced because of vibration or removal, the life of hot plate 31 and other relevant parts has been prolonged.

Further, the heating pipe 32 is a corrugated hose, and the corrugated hose has good flexibility, can adapt to a complex installation path, is convenient to bend and arrange in the heating cavity, reduces installation difficulty and time, is made of a high-temperature resistant material, can bear high temperature generated in the baking process, and ensures long-term stable operation in a high-temperature environment.

The heating plate 31 is a microcrystalline heating plate 31, the microcrystalline heating plate 31 has excellent heat conduction performance, heat can be quickly transferred to the air, heating efficiency is improved, baking time is shortened, the temperature of the heated surface of the microcrystalline heating plate 31 is uniformly distributed, the consistency of the temperature of hot air in a baking cavity can be ensured, local overheating or insufficient heating is avoided, the baking quality of tobacco leaves is improved, the microcrystalline heating plate 31 generally has an overheating protection function, automatic power failure can be realized when the temperature is too high, equipment damage or safety accidents are avoided, and the safety of the equipment is improved.

When the heating pipeline 32 is a corrugated hose and the heating plate 31 is a microcrystalline heating plate 31, the durability and long service life of the microcrystalline heating plate 31 reduce the maintenance and replacement frequency of equipment, the operation cost is reduced, and the flexibility of the corrugated hose and the efficient heating performance of the microcrystalline heating plate 31 enable the equipment to adapt to the baking requirements of different scales and processes, so that the universality of the equipment is improved.

The corrugated hose may be separated from the heating plate 31 under the blowing of wind force, so that the heating plate 31 needs to be limited, the mounting plate 7 is provided with a limiting component 9, and the limiting component 9 is attached to the top side end of the heating plate 31 so as to limit the heating pipe to be separated from the heating plate 31.

Further, the limiting assembly 9 includes a plurality of support columns 92 and a shielding plate 91, the support columns 92 are mounted on the top side of the mounting plate 7, and the shielding plate 91 is disposed on top of the support columns 92 and is attached to the top side of the heating plate 31.

Limiting component 9 passes through the top side of shielding plate 91 laminating hot plate 31, can effectively restrict corrugated hose and break away from hot plate 31 under the blowing of wind-force, ensure that the connection between heating tube 32 and the hot plate 31 is firm, avoid influencing hot-blast transportation because of the pipeline breaks away from, and through the removal that restricts corrugated hose, ensure the close contact between heating tube 32 and the hot plate 31, avoid the heat loss, improve heat conduction efficiency, thereby guarantee the heating effect of baking intracavity, support column 92 and shielding plate 91 adopt high temperature resistant material to make in general, can adapt to the high temperature environment of baking intracavity, ensure that limiting component 9 still can keep stability and functionality under long-term high temperature.

An auxiliary box is arranged between the first fan 2 and the heating pipeline 32 and is used for installing a plurality of heating pipelines 32. By means of the auxiliary box, one first fan 2 can simultaneously supply kinetic energy to a plurality of heating pipes 32.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A loose tobacco leaf baking and heating device, characterized by comprising:

The baking room is provided with baking cavities and heating cavities which are arranged at intervals along the first horizontal direction, at least one heat supply opening is formed in one side surface of the baking cavity, and the heat supply opening is communicated with the heating cavities;

The heating structure comprises a plurality of heating plates and at least one heating pipeline, the heating plates are arranged in the heating cavity at intervals along a first horizontal direction, the heating pipeline is arranged in an extending mode along the first horizontal direction, the heating pipeline is spirally arranged on the periphery side of each heating plate, and the air outlet end of the heating pipeline extends to the heat supply opening;

And the first fan is arranged at the air inlet end of the heating pipeline and used for enabling air to be conveyed into the heating cavity through the heating pipeline.

2. The scattered tobacco leaf baking and heating device according to claim 1, wherein the air outlet end of the heating pipeline is provided with a centralized box, the centralized box is arranged at the heat supply port, the centralized box is provided with a cavity, one side surface of the cavity is provided with an opening, the opening is communicated with the heat supply port, and a second fan is arranged in the cavity and used for conveying hot air from the air outlet end of the heating pipeline towards the opening.

3. The scattered tobacco curing heater of claim 2 wherein a screen is mounted in the heated mouth to prevent debris from falling into the bin.

4. The scattered tobacco leaf baking and heating device according to claim 1, wherein a plurality of mounting plates are arranged in the heating cavity, a plurality of positioning grooves are formed in each mounting plate, and the heating plates are movably arranged in the positioning grooves.

5. The scattered tobacco curing heating device of claim 4 wherein a securing assembly is provided on the mounting plate and is held against one side of the heating plate to limit the heating plate from being disengaged from the positioning groove.

6. The bulk tobacco curing heater of claim 5, wherein the securing assembly includes:

the screw rod is rotationally connected in the heating plate;

A screw sleeve screw-coupled to an outer circumferential side of the screw to be movable in an axial direction of the screw when the screw is rotated;

and the pressing block is arranged on the threaded sleeve and is slidably connected in the positioning groove and used for pressing the heating plate.

7. A loose tobacco curing heating device as recited in claim 1, wherein the heating tube is a corrugated hose, and/or,

The heating plate is a microcrystalline heating plate.

8. The scattered tobacco curing heating device of claim 4, wherein a limit assembly is provided on the mounting plate, the limit assembly being attached to a top side end of the heating plate to limit the heating tube from being separated from the heating plate.

9. The bulk tobacco curing heater of claim 8, wherein the spacing assembly comprises:

A plurality of support columns mounted to a top side of the mounting plate;

the shielding plate is arranged at the top ends of the support columns and is attached to the top side of the heating plate.

10. The bulk tobacco curing heater of claim 1, wherein an auxiliary tank is disposed between the first fan and the heating duct for mounting a plurality of the heating ducts.