Tobacco leaf uniform baking device based on hot air circulation

Abstract

The utility model provides a tobacco leaf uniform baking device based on hot air circulation, and relates to the technical field of tobacco leaf baking. The device body is provided with a tobacco leaf baking room in the front-back direction, horizontal extending plates are arranged on the upper portion and the lower portion of the front end face of the tobacco leaf baking room correspondingly, and a front-back-penetrating entrance and exit opening is formed in the middle of the bottom of the front wall of the tobacco leaf baking room. A circulating pipe outlet hole penetrating front and back is formed in the top of the left end of the front wall of the tobacco leaf baking room, the arrangement bearing column is arranged in the tobacco leaf baking room to bear the tobacco weaving rods, the tobacco weaving rods are conveniently placed in a semicircular groove of the arrangement bearing column to be evenly arranged, and the problem that the arrangement distance of the tobacco weaving rods is manually controlled by feeding personnel, so that the labor intensity is lowered is solved. The problems that the tobacco weaving rods are not uniformly distributed, and limiting measures are inconvenient to add on the device, so that the tobacco weaving rods can be uniformly distributed are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco leaf baking technical field especially relates to a kind of tobacco leaf even baking device based on hot air circulation. BACKGROUND

[0002] Tobacco leaf baking device, it is a kind of equipment for tobacco leaf baking, its main function is to make tobacco occur a series of chemical changes in baking process by controlling temperature and humidity, finally reach the purpose of reducing tobacco moisture content, tobacco leaf baking device is usually composed of combustion system and baking system two parts, this kind of device has wide application in tobacco industry, is the important equipment indispensable in tobacco processing process.

[0003] Based on the above, the present inventor finds that the existing tobacco leaf baking device has the following deficiencies:

[0004] 1, tobacco weaving pole's arrangement spacing is manually controlled by feeding personnel, it is easy to cause uneven arrangement, not convenient to install limiting measure on the device, so that tobacco weaving pole can be evenly distributed;

[0005] 2, baking heating structure is at the bottom of baking room, causing the temperature rising process in baking room interior to be slow, not convenient to install circulating measure on the device, so that hot air can be quickly distributed to rise temperature. INVENTION CONTENTS

[0006] In order to solve the above technical problems, the utility model provides a kind of tobacco leaf even baking device based on hot air circulation to solve the existing tobacco weaving pole's arrangement spacing is manually controlled by feeding personnel, it is easy to cause uneven arrangement, not convenient to install limiting measure on the device, so that tobacco weaving pole can be evenly distributed;Baking heating structure is at the bottom of baking room, causing the temperature rising process in baking room interior to be slow, not convenient to install circulating measure on the device, so that hot air can be quickly distributed to rise temperature problem.

[0007] The purpose and effect of the utility model tobacco leaf even baking device based on hot air circulation are achieved by the following specific technical means:

[0008] The application discloses a tobacco uniform baking device based on hot air circulation, which comprises a device body; the device body is provided with a tobacco baking room in the front-rear direction; horizontal extension plates are arranged on the upper and lower portions of the front end face of the tobacco baking room; a front-rear penetrating entrance and exit door is formed in the middle of the bottom of the front wall of the tobacco baking room; a top horizontal extension plate is arranged on the left end of the top of the tobacco baking room, and an upper-lower penetrating smoke exhaust pipe hole is formed in the left end of the top of the tobacco baking room; a front-rear penetrating circulation outlet pipe hole is formed in the top of the left end of the front wall of the tobacco baking room; a front-rear penetrating baking room exhaust pipe hole is formed in the middle of the left side of the front wall of the tobacco baking room; a front-rear penetrating circulation inlet pipe hole is formed in the middle of the right end of the front wall of the tobacco baking room; four left-right penetrating insertion blind holes are formed in the inner end faces of the front and rear walls of the tobacco baking room; front-rear direction arrangement bearing columns are arranged between the insertion blind holes of the front and rear walls of the tobacco baking room; and semicircular grooves are formed in the outer circumferential top portions of the arrangement bearing columns.

[0009] Further, the inner ends of the bend pipes of the circulation connecting pipes are all provided with reversing pipes which are bent by 90 degrees rearward; the first circulation pipe, the second circulation pipe and the third circulation pipe are all arranged below the arrangement bearing columns.

[0010] Further, circulation connecting pipes are arranged between the left end of the first circulation pipe and the second circulation pipe and between the right end of the second circulation pipe and the third circulation pipe; and bend pipes which are bent by 90 degrees inward are arranged at the upper and lower ends of the circulation connecting pipes.

[0011] Further, the right end of the first circulation pipe is fixedly connected with a connecting pipe of a baking heating furnace, and the left end of the third circulation pipe is fixedly connected with a connecting pipe of an exhaust treatment box.

[0012] Further, a first circulation pipe is arranged below the inside of the tobacco baking room, a second circulation pipe is arranged on the top of the first circulation pipe, a third circulation pipe is arranged on the top of the second circulation pipe, and the first circulation pipe, the second circulation pipe and the third circulation pipe all have a serpentine pipe structure.

[0013] Further, an exhaust treatment box in the up-down direction is arranged at the left end of the bottom of the front end face of the tobacco baking room; an exhaust pipe in the up-down direction is arranged on the front middle of the top end face of the exhaust treatment box; the exhaust pipe of the exhaust treatment box is inserted into the inside of the smoke exhaust pipe hole of the tobacco baking room; a receiving pipe in the up-down direction is arranged on the rear middle of the top end face of the exhaust treatment box; a bend pipe which is bent by 90 degrees rearward is arranged on the top of the receiving pipe of the exhaust treatment box; a connecting pipe in the front-rear direction is arranged on the rear end of the bend pipe of the exhaust treatment box; the connecting pipe of the exhaust treatment box is inserted into the inside of the circulation outlet pipe hole of the tobacco baking room; a butt joint pipe in the up-down direction is arranged on the rear right side of the top end face of the exhaust treatment box; a valve is arranged on the top of the butt joint pipe of the exhaust treatment box; an inverted L-shaped pipe is arranged on the top of the valve of the exhaust treatment box; and the horizontal pipe of the inverted L-shaped pipe of the exhaust treatment box is inserted into the inside of the baking room exhaust pipe hole of the tobacco baking room.

[0014] Further, the right end bottom of the front end face of the tobacco leaf curing house is provided with a curing heating furnace in the up-down direction, a bend pipe bent by 90 degrees rearward is arranged in the middle of the top end face of the curing heating furnace, a connecting pipe in the front-rear direction is arranged at the rear end of the bend pipe of the curing heating furnace, and the connecting pipe of the curing heating furnace is inserted into the inside of the circulating inlet pipe hole of the tobacco leaf curing house.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The arrangement bearing column is arranged in the tobacco leaf curing house to bear the tobacco woven rod, the tobacco woven rod is conveniently arranged in the semicircular groove of the arrangement bearing column, the arrangement interval of the tobacco woven rod is manually controlled by the feeding personnel, the arrangement is not uniform, and the limiting measure is not conveniently installed on the device to uniformly distribute the tobacco woven rod.

[0017] The first circulating pipe, the second circulating pipe, the third circulating pipe and the circulating connecting pipe are assembled to form the hot air circulating pipeline, the heat generated by the curing heating furnace is quickly distributed in the inside of the tobacco leaf curing house, the curing heating structure is arranged at the bottom of the curing house, the temperature rising process in the inside of the curing house is slow, and the circulating measure is not conveniently installed on the device to quickly distribute the hot air. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic diagram of the utility model.

[0019] Figure 2 It is the disassembled structure schematic diagram of the utility model.

[0020] Figure 3 It is the assembly sectional view schematic diagram of the tobacco leaf curing house and the arrangement bearing column of the utility model.

[0021] Figure 4 It is the position schematic diagram of the arrangement bearing column of the utility model.

[0022] Figure 5 It is the position schematic diagram of the first circulating pipe, the second circulating pipe and the third circulating pipe of the utility model.

[0023] Figure 6 It is the assembly sectional view schematic diagram of the tobacco leaf curing house and the exhaust treatment box of the utility model.

[0024] In the drawing: 1, device body; 2, tobacco leaf curing house; 3, arrangement bearing column; 4, curing heating furnace; 5, exhaust treatment box; 6, first circulating pipe; 7, second circulating pipe; 8, third circulating pipe; 9, circulating connecting pipe. DETAILED DESCRIPTION

[0025] Embodiments of the present application will be described in further detail below with reference to the accompanying drawings and examples.

[0026] Example 1

[0027] As shown in the accompanying Figure 1 to the accompanying Figure 6 as shown:

[0028] The utility model provides a tobacco leaf even baking device based on hot air circulation, including device body 1, device body 1 is provided with tobacco leaf baking room 2 of front -rear direction, it is convenient to bear each component, and the horizontal extension plate is set up on the front end surface of tobacco leaf baking room 2 up and down, it is convenient to bear and shield to baking heating furnace 4 and exhaust treatment box 5, and the front wall bottom middle of tobacco leaf baking room 2 is provided with the front -rear through entrance, it is convenient for staff to go in and out, and the top horizontal extension plate left end of tobacco leaf baking room 2 is provided with the up -and -down through exhaust pipe hole, it is convenient for the exhaust pipe of exhaust treatment box 5 to pass through, and the front wall left end top of tobacco leaf baking room 2 is provided with the front -rear through circulation outlet pipe hole, it is convenient for the connecting pipe of exhaust treatment box 5 to insert, and the front wall left side of tobacco leaf baking room 2 is provided with the front -rear through baking room exhaust pipe hole, it is convenient for the horizontal pipe of the inverted L shape pipe of exhaust treatment box 5 to insert, and the front wall right end of tobacco leaf baking room 2 is provided with the front -rear through circulation inlet pipe hole, it is convenient for the connecting pipe of baking heating furnace 4 to insert, and the front and rear wall inner end surface of tobacco leaf baking room 2 is provided with four left and right arrangement insertion blind hole, it is convenient for the installation of arrangement bearing column 3, and the front and rear direction arrangement bearing column 3 is installed between the insertion blind hole of the front and rear wall of tobacco leaf baking room 2, it is convenient for the bearing of tobacco weaving pole, and the external circumference top of arrangement bearing column 3 is provided with the front and rear arrangement left and right through semicircular groove, it is convenient for tobacco weaving pole to put into limit, and the front end surface right end bottom of tobacco leaf baking room 2 is provided with the baking heating furnace 4 of up and down direction, it is convenient for heating to form hot air, and the top end surface middle of baking heating furnace 4 is provided with the pipe that bends 90 degrees backward, it is convenient for hot air delivery to bend, and the rear end of the pipe of baking heating furnace 4 is provided with the connecting pipe of front -rear direction, it is convenient for being connected with first circulation pipe 6, and the connecting pipe of baking heating furnace 4 inserts the inside of circulation inlet pipe hole of tobacco leaf baking room 2, it is convenient for being connected with first circulation pipe 6.

[0029] The left end of the front end surface of the tobacco leaf curing room 2 is provided with an up-down exhaust treatment box 5, which facilitates filtering treatment of the combustion flue gas of the curing heating furnace 4 and the exhaust gas in the tobacco leaf curing room 2, the middle of the top end surface of the exhaust treatment box 5 is provided with an up-down exhaust pipe, which facilitates the exhaust of the filtered gas, the exhaust pipe of the exhaust treatment box 5 is inserted into the exhaust pipe hole of the tobacco leaf curing room 2, which facilitates the exhaust, the middle of the top end surface of the exhaust treatment box 5 is provided with an up-down receiving pipe, which facilitates the hot air entering the inside of the exhaust treatment box 5, the top of the exhaust pipe of the exhaust treatment box 5 is provided with a bent pipe bent by 90 degrees backward, which facilitates the conveying of the bend, the rear end of the bent pipe of the exhaust treatment box 5 is provided with a front-rear connecting pipe, which facilitates the connection with the third circulating pipe 8, the connecting pipe of the exhaust treatment box 5 is inserted into the circulating pipe hole of the tobacco leaf curing room 2, which facilitates the connection with the third circulating pipe 8, the right side of the rear end surface of the exhaust treatment box 5 is provided with an up-down butt joint pipe, which facilitates the exhaust gas in the tobacco leaf curing room 2 entering the inside of the exhaust treatment box 5, the top of the butt joint pipe of the exhaust treatment box 5 is provided with a valve, which facilitates the control of the exhaust of the gas in the tobacco leaf curing room 2, the top of the valve of the exhaust treatment box 5 is provided with an inverted L-shaped pipe, which facilitates the insertion into the curing room exhaust pipe hole of the tobacco leaf curing room 2, the horizontal pipe of the inverted L-shaped pipe of the exhaust treatment box 5 is inserted into the curing room exhaust pipe hole of the tobacco leaf curing room 2, which facilitates the exhaust of the inside of the tobacco leaf curing room 2, the first circulating pipe 6 is arranged below the inside of the tobacco leaf curing room 2, which facilitates the heat dissipation of the hot air, the top of the first circulating pipe 6 is provided with the second circulating pipe 7, which facilitates the heat dissipation of the hot air, the top of the second circulating pipe 7 is provided with the third circulating pipe 8, which facilitates the heat dissipation of the hot air, the first circulating pipe 6, the second circulating pipe 7 and the third circulating pipe 8 are all serpentine pipe structures, which facilitate the mutual fitting with the arrangement bearing column 3, the right end of the first circulating pipe 6 is butt jointed and fixed with the connecting pipe of the curing heating furnace 4, which facilitates the hot air entering the inside of the first circulating pipe 6 from the curing heating furnace 4, the left end of the third circulating pipe 8 is butt jointed and fixed with the connecting pipe of the exhaust treatment box 5, which facilitates the hot air entering the inside of the exhaust treatment box 5 from the third circulating pipe 8, the left end between the first circulating pipe 6 and the second circulating pipe 7 and the right end between the second circulating pipe 7 and the third circulating pipe 8 are all provided with a circulating connecting pipe 9, which facilitates the assembly of the hot air circulating pipeline, the upper and lower ends of the circulating connecting pipe 9 are both provided with a bent pipe bent by 90 degrees inward, which prevents the hindering of the arrangement bearing column 3, the inner end of the bent pipe of the circulating connecting pipe 9 is provided with a reversing pipe bent by 90 degrees backward, which facilitates the reversing connection, the first circulating pipe 6, the second circulating pipe 7 and the third circulating pipe 8 are all below the arrangement bearing column 3, which facilitates the shielding protection through the arrangement bearing column 3.

[0030] The specific use mode and effect of the embodiment are as follows:

[0031] In the utility model, Figure 4As shown, tobacco weaving rods are placed in the semi-circular grooves between the supporting columns 3, with uniform spacing between them. This prevents uneven heating of the tobacco leaves during the curing process. Figure 1 As shown, when the device body 1 is in use, the baking heating furnace 4 is turned on for heating, and the hot air generated by the baking heating furnace 4 enters the first circulation pipe 6. From the first circulation pipe 6, it enters the second circulation pipe 7 through the left circulation connecting pipe 9, and from the second circulation pipe 7, it enters the third circulation pipe 8 through the right circulation connecting pipe 9. Thus, the heat in the hot air is quickly dissipated into the tobacco curing chamber 2 through the first circulation pipe 6, second circulation pipe 7, third circulation pipe 8 and circulation connecting pipe 9, so that the temperature inside the tobacco curing chamber 2 rises rapidly to cure the tobacco leaves. Finally, the air enters the exhaust treatment box 5 through the third circulation pipe 8 for filtration. After being filtered by the exhaust treatment box 5, it is discharged, thereby reducing environmental pollution. At the same time, when the tobacco curing chamber 2 is venting, the valve of the exhaust treatment box 5 is opened, so that the air inside the tobacco curing chamber 2 is drawn into the exhaust treatment box 5, and then discharged after being filtered by the exhaust treatment box 5. This achieves temperature and humidity control of the tobacco curing chamber 2.

[0032] Example 2:

[0033] The difference from Embodiment 1 is that a protective layer can also be provided on the outer circumferential surface of the arrangement of support columns 3, thereby preventing damage to the arrangement of support columns 3 caused by high temperature and high humidity environments, and thus extending the service life of the arrangement of support columns 3.

[0034] Example 3:

[0035] The difference from Embodiment 1 is that a corrosion-resistant layer can be provided on the inner and outer surfaces of the first circulation pipe 6, thereby preventing damage to the first circulation pipe 6 caused by high temperature, high humidity and combustion flue gas, and thus extending the service life of the first circulation pipe 6.

Claims

1. A tobacco uniform curing device based on hot air circulation, characterized by: Including device body (1), The device body (1) is provided with tobacco curing barn (2) in front-back direction, the tobacco curing barn (2) is provided with horizontal extension plate on the upper and lower of front end face, the tobacco curing barn (2) is provided with the front and back through entrance in the middle of bottom in front wall, the tobacco curing barn (2) top horizontal extension plate left end is provided with the up and down through exhaust pipe hole, the tobacco curing barn (2) front wall left end top is provided with the front and back through circulation outlet pipe hole, the tobacco curing barn (2) front wall left side's middle is provided with the front and back through curing barn exhaust pipe hole, the tobacco curing barn (2) front wall right end's middle is provided with the front and back through circulation inlet pipe hole, the tobacco curing barn (2) front and back wall inner end face is provided with four left and right arrangement insertion blind hole on the upper, middle and lower, the tobacco curing barn (2) front and back wall insertion blind hole between installation is arranged in front-back direction bearing column (3), the bearing column (3) outside circumference top is provided with the front and back arrangement left and right through semicircular groove.

2. A uniform tobacco curing device based on hot air circulation as claimed in claim 1, wherein: The tobacco curing barn (2) front end face right end bottom is provided with the up and down direction of baking heating furnace (4), the baking heating furnace (4) top end face middle is provided with the pipe that is bent 90 degrees to the rear, the baking heating furnace (4) pipe rear end is provided with the front and back direction of connecting pipe, the baking heating furnace (4) connecting pipe inserts the circulation inlet pipe hole inside of the tobacco curing barn (2).

3. A uniform tobacco curing device based on hot air circulation as claimed in claim 2, wherein: The tobacco curing barn (2) front end face left end bottom is provided with the up and down direction of exhaust treatment box (5), the exhaust treatment box (5) top end face front middle is provided with the up and down direction of exhaust pipe, the exhaust treatment box (5) exhaust pipe inserts the exhaust pipe hole inside of the tobacco curing barn (2), the exhaust treatment box (5) top end face rear middle is provided with the up and down direction of receiving pipe, the exhaust treatment box (5) receiving pipe top is provided with the pipe that is bent 90 degrees to the rear, the exhaust treatment box (5) pipe rear end is provided with the front and back direction of connecting pipe, the exhaust treatment box (5) connecting pipe inserts the circulation outlet pipe hole inside of the tobacco curing barn (2), the exhaust treatment box (5) top end face rear right side is provided with the up and down direction of butt joint pipe, the exhaust treatment box (5) butt joint pipe top is provided with valve, the exhaust treatment box (5) valve top is provided with inverted L-shaped pipe, the exhaust treatment box (5) inverted L-shaped pipe horizontal pipe inserts the curing barn exhaust pipe hole inside of the tobacco curing barn (2).

4. A uniform tobacco curing apparatus based on hot air circulation as claimed in claim 3 wherein: The tobacco curing barn (2) inside below is provided with the first circulation pipe (6), the first circulation pipe (6) top is provided with the second circulation pipe (7), the second circulation pipe (7) top is provided with the third circulation pipe (8), the first circulation pipe (6), the second circulation pipe (7) and the third circulation pipe (8) are all serpentine pipe structure.

5. A uniform tobacco curing apparatus based on hot air circulation as claimed in claim 4 wherein: The first circulation pipe (6) right end is fixed with the connecting pipe of baking heating furnace (4), the third circulation pipe (8) left end is fixed with the connecting pipe of exhaust treatment box (5).

6. A uniform tobacco curing apparatus based on hot air circulation as claimed in claim 5 wherein: The first circulation pipe (6) and the second circulation pipe (7) left end between and the second circulation pipe (7) and the third circulation pipe (8) right end between are all installed with circulation connecting pipe (9), the circulation connecting pipe (9) upper and lower ends are all provided with the pipe that is bent 90 degrees to the inside.

7. A uniform tobacco curing apparatus based on hot air circulation as claimed in claim 6 wherein: The inner end of the bend of the circulating connection pipe (9) is provided with a reversing pipe which is bent back by ninety degrees, the first circulating pipe (6), the second circulating pipe (7) and the third circulating pipe (8) are arranged below the bearing column (3).

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