CN214502010U

CN214502010U - Drying device is used in corrugated container board production

Info

Publication number: CN214502010U
Application number: CN202120535931.7U
Authority: CN
Inventors: 刘旭光
Original assignee: Xi'an Changming Packing Co ltd
Current assignee: Xi'an Changming Packing Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-26
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a drying device for corrugated board production, which comprises an oven and a heating device positioned in the oven, wherein the oven is internally divided into a drying chamber and a preheating chamber by a partition board, the partition board is provided with a first channel for communicating the drying chamber and the preheating chamber, and the drying device also comprises a door plate for opening and closing the first channel; the heating device is positioned at the bottom of the drying chamber, a plurality of exhaust ports are formed in the top of the drying chamber, all the exhaust ports are communicated with exhaust pipes, an air extracting pump is arranged on each exhaust pipe, and each exhaust pipe is communicated with the preheating chamber; the preheating chamber is provided with a second channel on the side wall, and the outer side wall of the preheating chamber is provided with a door curtain for covering the second channel. The utility model provides a drying device is used in corrugated container board production to solve the low problem of corrugated paper drying efficiency among the prior art, realize improving corrugated paper drying efficiency, and improve heat utilization rate's purpose.

Description

Drying device is used in corrugated container board production

Technical Field

The utility model relates to a corrugated paper production field, concretely relates to drying device is used in corrugated container board production.

Background

Corrugated paper is a plate-shaped object formed by bonding liner paper and corrugated paper which is processed by a corrugated roller, the corrugated paper has the history of more than one hundred years of application, and has the advantages of low cost, light weight, easy processing, high strength, excellent printing adaptability, convenient storage and transportation and the like. The corrugated paper needs a large amount of water in the manufacturing process, so the corrugated paper needs to be dried after the manufacturing is finished. The oven equipment for corrugated paper drying among the prior art is inefficient, and along with going on of stoving process, the air humidity in the oven can rise gradually, and is unfavorable in fast drying.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drying device is used in corrugated container board production to solve the low problem of corrugated paper drying efficiency among the prior art, realize improving corrugated paper drying efficiency, and improve heat utilization rate's purpose.

The utility model discloses a following technical scheme realizes:

the drying device for corrugated board production comprises an oven and a heating device positioned in the oven, wherein the oven is internally divided into a drying chamber and a preheating chamber by a partition board, the partition board is provided with a first channel for communicating the drying chamber and the preheating chamber, and the drying device further comprises a door plate for opening and closing the first channel; the heating device is positioned at the bottom of the drying chamber, a plurality of exhaust ports are formed in the top of the drying chamber, all the exhaust ports are communicated with exhaust pipes, an air extracting pump is arranged on each exhaust pipe, and each exhaust pipe is communicated with the preheating chamber; the preheating chamber is provided with a second channel on the side wall, and the outer side wall of the preheating chamber is provided with a door curtain for covering the second channel.

To the problem that corrugated paper drying efficiency is low among the prior art, the utility model provides a drying device is used in corrugated container board production, this device is inside to be separated for the baffle for drying chamber and preheating chamber two parts with the oven, and communicates by seting up the first passageway on the baffle between drying chamber and the preheating chamber, and first passageway shelters from by the door plant at ordinary times, and the door plant can be opened through arbitrary current mode of opening certainly. The heating device is located at the bottom of the drying chamber, hot air is favorably dissipated upwards, then the whole drying chamber is heated quickly, and the top of the drying chamber is provided with a plurality of exhaust ports, so that the hot air can fully stay in the drying chamber and then enter the exhaust ports. The exhaust port is communicated with the exhaust pipe, and if the air suction pump on the exhaust pipe is opened, hot air in the drying chamber can be pumped into the preheating chamber. The second channel of the sidewall of the preheating chamber is used for the corrugated board to enter and take out, and is shielded by a door curtain at ordinary times. When this application uses, open the door curtain manual work and put into the preheating chamber with corrugated container board, preheat corrugated container board by drying chamber exhaust hot-air, later open the door plant, the corrugated container board after will preheating is dried in putting into the drying chamber through first passageway, and the stoving is accomplished the back and is taken out corrugated container board in the original way can. The utility model firstly utilizes the air pump to actively accelerate the air flow in the drying chamber, which is favorable for accelerating the water evaporation rate of the surface of the corrugated board and improving the drying efficiency; secondly, a preheating chamber is arranged in the oven, and hot air pumped out by an air pump enters the preheating chamber to preheat the corrugated board to be dried, so that the waste of energy is reduced, and the heat energy utilization rate is improved; and the corrugated board to be dried is improved to be preheated, and the damage problem that the corrugated board directly enters a high-temperature oven occasionally can be avoided.

Furthermore, N rows of longitudinally distributed conveyor belts are arranged in the drying chamber, and each conveyor belt corresponds to a first channel; a lifting device is arranged in the preheating chamber, the top of the lifting device is connected with a transfer plate, and a plurality of transmission rollers are arranged on the upper surface of the transfer plate; the first channel and the second channel are respectively positioned at two opposite sides of the transfer plate; wherein N is more than or equal to 3. N rows of conveying belts are longitudinally distributed in the drying chamber, so that the space utilization rate of the drying chamber can be obviously improved, and a large amount of corrugated boards are dried. Wherein the conveyer belt of every row all corresponds a first passageway on the baffle, when needs put into or take out corrugated container board to certain row of conveyer belt, the door plant of the first passageway that corresponds opens can. In addition, after being placed into the preheating chamber from the second channel, the corrugated boards are placed on the transfer board, the transfer board is moved to a height matched with a certain row of conveying belts through the lifting device, then the corresponding door panels are opened, and the corrugated boards are conveyed inwards to the conveying belts through the conveying rollers on the transfer board; similarly, when corrugated container board on needs take out certain conveyer belt, will transport the board through elevating gear earlier and remove to corresponding height, start the transmission and roll, open corresponding door plant again, start this conveyer belt, corrugated container board after the conveyer belt with drying on it outwards carries to transporting on the board, it can just to the height of second passageway to be transported the board by elevating gear again.

Furthermore, N rows of mounting racks are arranged on the inner wall of the drying chamber, and the heights of the mounting racks correspond to the heights of the conveyor belts one by one; and the mounting frame is provided with a blower facing the corresponding conveying belt. The air blowers on each row of the mounting racks correspond to one row of the conveying belts, and are used for providing continuous and stable air flow for corrugated boards placed on the conveying belts to be dried, so that the air flow is accelerated, and the drying efficiency is improved. Especially for corrugated container board, its wave shape makes the bottom have a large amount of passageways that supply the air current to pass through, and these passageways are not fully utilized in traditional stoving process, and this scheme passes through the air-blower and works in the side, make full use of corrugated container board self structural advantage, can show improvement drying efficiency.

Further, the mounting rack and the partition plate are respectively located on two opposite sides of the conveying belt. The interference of the mounting rack to the corrugated board entering and exiting the drying chamber is reduced.

Furthermore, the one end that transports the board and be close to baffle place direction sets up the induction system who is used for responding to corrugated container board. When the scheme is used, the corrugated board is not required to be completely placed on the transfer plate by manpower, and the effect that the corrugated board automatically enters the preheating chamber can be realized through the transmission roller only by meeting the requirement that the corrugated board is locally positioned on the transmission roller; at the moment, the corrugated board is continuously transmitted to the drying chamber by the transmission roller until the end part of the corrugated board moves to the position above the sensing device and is sensed by the sensing device, and the sensing device sends out a control signal to control the transmission roller to stop rotating; in addition, in the process of conveying the corrugated board from the preheating chamber to the drying chamber, the sensing device can sense the corrugated board, the conveying roller is kept rotating, if the sensing device does not sense the corrugated board any more, the corrugated board is conveyed in a relaying mode through the conveying belt, and at the moment, the conveying roller can be controlled to stop rotating.

Further, the sensing device is a distance measuring sensor. Whether the corrugated board is covered or not can be stably sensed through the ranging sensor, and all the technical personnel in the field can realize the ranging sensor. If the distance between the upper objects is less than a set value, the corrugated board is judged to be covered.

Furthermore, each row of conveyor belts are driven by a first driving device to move; the transmission roller is driven by a second driving device to rotate; the lifting device is an electric push rod. The first driving device can drive the corresponding conveying belt to rotate positively and negatively, and the second driving device can drive the conveying roller to rotate positively and negatively in the same way, so that the corrugated board is fed into and taken out.

Furthermore, the exhaust pipe is communicated to the bottom of the preheating chamber. The hot air pumped out from the drying chamber enters the preheating chamber from the bottom, and rises from bottom to top in the preheating chamber, so that the temperature uniformity in the preheating chamber is improved, and a more stable preheating temperature field is obtained.

Further, the door panel is driven by a third driving device. The third driving device is used for driving the door panel to open and close.

Furthermore, the top of the drying chamber is also provided with a humidity sensor and a controller, the input end of the controller is connected with the humidity sensor, and the output end of the controller is connected with the air pump. The humidity sensor is used for monitoring the air humidity in the drying chamber in real time, and when the air humidity exceeds a set threshold value, the controller controls the air suction pump to start or increase the power, so that the air humidity in the drying chamber is quickly reduced, and the corrugated board is quickly dried.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to a drying device is used in corrugated container board production utilizes the aspiration pump to flow at the indoor initiative acceleration air of drying, is favorable to accelerating the moisture evaporation rate on corrugated container board surface, improves drying efficiency.

2. The utility model relates to a drying device for corrugated board production, a preheating chamber is arranged in a drying oven, hot air pumped by an air pump enters the preheating chamber to preheat the corrugated board to be dried, thereby reducing the waste of energy and improving the heat energy utilization rate; and the corrugated board to be dried is improved to be preheated, and the damage problem that the corrugated board directly enters a high-temperature oven occasionally can be avoided.

3. The utility model relates to a drying device is used in corrugated container board production is showing and is improving the space utilization to the drying chamber, can dry a large amount of corrugated container board simultaneously.

4. The utility model relates to a drying device is used in corrugated container board production works in the side through the air-blower, make full use of corrugated container board self structural advantage, can show improvement drying efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a transfer plate according to an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-oven, 101-drying chamber, 102-preheating chamber, 2-heating device, 3-partition plate, 4-first channel, 5-door plate, 6-exhaust port, 7-exhaust pipe, 8-air pump, 9-second channel, 10-door curtain, 11-conveyor belt, 12-lifting device, 13-transfer plate, 14-transmission roller, 15-mounting rack, 16-air blower, 17-humidity sensor, 18-third driving device and 19-sensing device.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention. In the description of the present application, it is to be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present application.

Example 1:

the drying device for corrugated board production shown in fig. 1 comprises an oven 1 and a heating device 2 positioned in the oven 1, wherein the oven 1 is internally divided into a drying chamber 101 and a preheating chamber 102 by a partition plate 3, the partition plate 3 is provided with a first channel 4 for communicating the drying chamber 101 and the preheating chamber 102, and the drying device further comprises a door panel 5 for opening and closing the first channel 4; the heating device 2 is positioned at the bottom of the drying chamber 101, a plurality of exhaust ports 6 are formed in the top of the drying chamber 101, all the exhaust ports 6 are communicated with an exhaust pipe 7, an air suction pump 8 is arranged on the exhaust pipe 7, and the exhaust pipe 7 is communicated with the preheating chamber 102; the side wall of the preheating chamber 102 is provided with a second channel 9, and the outer side wall of the preheating chamber 102 is provided with a door curtain 10 for covering the second channel 9.

In this embodiment, the door panel 5 only plays a role in communicating and isolating the material transfer between the drying chamber 101 and the preheating chamber 102, and does not have a sealing function, so as to ensure that the pressures in the drying chamber and the preheating chamber are equal. The partition plate 3 in this embodiment is made of a heat insulating material.

In one or more preferred embodiments, the exhaust pipe 7 is connected to the bottom of the preheating chamber 102. The door panel 5 is driven by a third drive 18. The top of the drying chamber 101 is also provided with a humidity sensor 17 and a controller, the input end of the controller is connected with the humidity sensor 17, and the output end of the controller is connected with the air pump 8.

In one or more preferred embodiments, the third driving device 18 can drive the door panel by any existing driving method of an automatic door, preferably by a linear motor.

In one or more preferred embodiments, a sieve with 80-100 meshes is arranged at the bottom of the preheating chamber 102 at the position of the nozzle of the exhaust pipe 7.

Example 2:

as shown in fig. 1 and fig. 2, in the drying device for producing corrugated cardboard according to embodiment 1, four rows of longitudinally distributed conveyor belts 11 are disposed in the drying chamber 101, and each conveyor belt 11 corresponds to a first channel 4; a lifting device 12 is arranged in the preheating chamber 102, the top of the lifting device 12 is connected with a transfer plate 13, and a plurality of conveying rollers 14 are arranged on the upper surface of the transfer plate 13; the first channel 4 and the second channel 9 are respectively positioned at two opposite sides of the transfer plate 13. Four rows of mounting frames 15 are arranged on the inner wall of the drying chamber 101, and the heights of the mounting frames 15 correspond to the heights of the conveyor belts 11 one by one; the mounting frame 15 is provided with a blower 16 facing the corresponding conveyor belt 11. The mounting rack 15 and the partition plate 3 are respectively positioned at two opposite sides of the conveyor belt 11. The end of the transfer plate 13 in the direction of the partition 3 is provided with a sensing device 19 for sensing the corrugated cardboard. The sensing device 19 is a distance measuring sensor. Each row of conveyor belts 11 is driven by a first driving device to move; the transmission roller 14 is driven by a second driving device to rotate; the lifting device 12 is an electric push rod.

In one or more preferred embodiments, the surface of the conveyor belt is provided with a plurality of air holes.

In one or more preferred embodiments, the door curtain 10 is a soft curtain made of PVC material.

In one or more preferred embodiments, the first and second driving devices are both motors.

In one or more preferred embodiments, both ends of the conveyor belt 11 are respectively installed at two opposite sidewalls of the drying chamber through rotating shafts.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Further, the term "connected" used herein may be directly connected or indirectly connected via other components without being particularly described.

Claims

1. The drying device for corrugated board production comprises an oven (1) and a heating device (2) positioned in the oven (1), and is characterized in that the oven (1) is internally divided into a drying chamber (101) and a preheating chamber (102) by a partition plate (3), the partition plate (3) is provided with a first channel (4) for communicating the drying chamber (101) with the preheating chamber (102), and the drying device further comprises a door plate (5) for opening and closing the first channel (4); the heating device (2) is positioned at the bottom of the drying chamber (101), a plurality of exhaust ports (6) are formed in the top of the drying chamber (101), all the exhaust ports (6) are communicated with an exhaust pipe (7), an air suction pump (8) is arranged on the exhaust pipe (7), and the exhaust pipe (7) is communicated with the preheating chamber (102); the side wall of the preheating chamber (102) is provided with a second channel (9), and the outer side wall of the preheating chamber (102) is provided with a door curtain (10) for covering the second channel (9).

2. A drying device for corrugated cardboard production according to claim 1, characterised in that N rows of longitudinally distributed conveyor belts (11) are arranged in the drying chamber (101), each conveyor belt (11) corresponding to a first channel (4); a lifting device (12) is arranged in the preheating chamber (102), the top of the lifting device (12) is connected with a transfer plate (13), and a plurality of transmission rollers (14) are arranged on the upper surface of the transfer plate (13); the first channel (4) and the second channel (9) are respectively positioned at two opposite sides of the transfer plate (13); wherein N is more than or equal to 3.

3. A corrugated board production drying device according to claim 2, wherein the drying chamber (101) is provided with N rows of mounting frames (15) on the inner wall, and the height of the mounting frames (15) is in one-to-one correspondence with the height of the conveyor belt (11); and the mounting rack (15) is provided with a blower (16) facing the corresponding conveyor belt (11).

4. A drying device for corrugated cardboard production according to claim 3, characterized in that the mounting frame (15) and the partition (3) are located on opposite sides of the conveyor belt (11).

5. A drying apparatus for corrugated cardboard production according to claim 2, characterized in that the end of the transfer board (13) in the direction of the partition (3) is provided with a sensing device (19) for sensing corrugated cardboard.

6. A drying device for corrugated cardboard production according to claim 5, characterised in that the sensor device (19) is a distance measuring sensor.

7. A corrugated cardboard production drying apparatus according to claim 2, characterised in that each row of conveyor belts (11) is driven in motion by a first drive means; the transmission roller (14) is driven by a second driving device to rotate; the lifting device (12) is an electric push rod.

8. A drying apparatus for corrugated cardboard production according to claim 1, characterized in that the exhaust duct (7) is connected to the bottom of the preheating chamber (102).

9. A drying device for corrugated cardboard production according to claim 1, characterised in that the door panel (5) is driven by a third drive (18).

10. A corrugated cardboard production drying device as claimed in claim 1, wherein a humidity sensor (17) is arranged on the top of the drying chamber (101), and a controller is further included, wherein the input end of the controller is connected with the humidity sensor (17), and the output end of the controller is connected with the air pump (8).