CN212378433U

CN212378433U - Oven for drying paper

Info

Publication number: CN212378433U
Application number: CN202020673498.9U
Authority: CN
Inventors: 韩留成; 张敏; 董九文
Original assignee: Chongzhou Nishi Paper Co ltd
Current assignee: Chongzhou Nishi Paper Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-19
Anticipated expiration: 2030-04-28

Abstract

The utility model provides an oven for drying paper, which comprises a box body provided with a paper outlet and a paper inlet, wherein a plurality of rollers are arranged in the upper space in the box body, and a plurality of rollers are arranged in the lower space in the box body; the bottom of the box body is provided with a plurality of lower blowing nozzles, the lower blowing nozzles are communicated with a lower blowing pipe, and a first electric heating chamber for heating the gas in the pipe and a first drying chamber for drying the gas in the pipe are arranged on the lower blowing pipe; the top of the box body is provided with a plurality of upper blowing nozzles, the upper blowing nozzles are communicated with upper blowing pipes, and the upper blowing pipes are provided with a second electric heating chamber for heating the gas in the pipes and a second drying chamber for drying the gas in the pipes; the middle part of the box body is also provided with a plurality of air suction ports which are communicated with the air suction pipe, the air suction pipe is provided with a fan, and the end part of the air suction pipe is respectively communicated with the upper blowing pipe and the lower blowing pipe. The utility model has the advantages of energy saving, high efficiency and good drying effect.

Description

Oven for drying paper

Technical Field

The utility model relates to an oven especially relates to carry out dry oven to paper.

Background

When paper is dried in a workshop, the paper is generally conveyed into an oven through a conveying belt for drying, an electric heating device is generally arranged in the conventional oven, a drying device is not arranged, so that the air humidity in the oven is high due to long-time work, and the drying efficiency is low; although the inlet and outlet of the existing oven are set to be larger, the problem of high humidity in the oven can be relieved by exchanging gas with the outside, and the power consumption can be increased. In addition, the temperature distribution in the existing box body is not uniform, and the drying effect is also influenced.

SUMMERY OF THE UTILITY MODEL

Carry out the problem that oven drying efficiency is low, power consumption is big and drying effect is not good to current carrying on paper, the utility model provides a carry out dry novel oven to paper.

An oven for drying paper comprises a box body provided with a paper outlet and a paper inlet, wherein a plurality of rollers are arranged in the upper space in the box body, and a plurality of rollers are arranged in the lower space in the box body; the bottom of the box body is provided with a plurality of lower blowing nozzles, the lower blowing nozzles are communicated with a lower blowing pipe, and a first electric heating chamber for heating the gas in the pipe and a first drying chamber for drying the gas in the pipe are arranged on the lower blowing pipe; the top of the box body is provided with a plurality of upper blowing nozzles, the upper blowing nozzles are communicated with upper blowing pipes, and the upper blowing pipes are provided with a second electric heating chamber for heating the gas in the pipes and a second drying chamber for drying the gas in the pipes; the middle part of the box body is also provided with a plurality of air suction ports which are communicated with the air suction pipe, the air suction pipe is provided with a fan, and the end part of the air suction pipe is respectively communicated with the upper blowing pipe and the lower blowing pipe.

Preferably, an insulating layer is arranged outside the box body.

Preferably, the air suction pipe, the upper blowing pipe and the lower blowing pipe are wrapped with heat insulation materials.

Further, a first switch is further arranged on the lower blowing pipe, a first shunt branch connected in parallel is arranged on the lower blowing pipe, a second switch is arranged on the first shunt branch, and the first drying chamber and the first switch are both located between the first shunt branch and two nodes intersected with the lower blowing pipe.

Further, the upper blowing pipe is further provided with a third switch, the upper blowing pipe is provided with a second shunt branch connected in parallel, the second shunt branch is provided with a fourth switch, and the second drying chamber and the third switch are both located between two nodes where the second shunt branch and the upper blowing pipe intersect.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the drying efficiency is improved, and more energy is saved. The air is dried by the first drying chamber and the second drying chamber and then is sent into the oven, so that the air in the oven is dry, and the drying efficiency of the paper is greatly improved at a certain temperature; meanwhile, the heat-insulating layers are arranged on all the pipelines and the box body, so that the heat dissipation of the paper outlet and the paper inlet on the box body is reduced as small as possible, and the oven is more energy-saving.

2. The drying effect is better. High-temperature gas in the box is blown out from two directions from top to bottom, so that the temperature of the gas in the box is uniformly distributed, the problem of local overheating or insufficient temperature is avoided, the stay time of paper is longer under the condition that the advancing speed is unchanged by the aid of the plurality of rotating rollers, and a better drying effect is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the above drawings: 1. a box body; 2. a paper strap; 3. rotating the roller; 4. an upper blowpipe; 5. an upper blowing nozzle; 6. a lower blowpipe; 7. a lower blowing nozzle; 8. a heat-insulating layer; 9. an air suction port; 10. a second drying chamber; 11. a first drying chamber; 12. an air intake duct; 13. a fan; 14. a second shunt branch; 15. a first shunt branch; 16. a third switch; 17. a fourth switch; 18. a first switch; 19. a second switch; 20. a second electric heating chamber; 21. a first electrically heated chamber.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, an oven for drying paper comprises a box body 1 provided with a paper outlet and a paper inlet, wherein a plurality of rollers 3 are arranged in the upper space of the box body 1, and a plurality of rollers 3 are arranged in the lower space of the box body 1; the bottom of the box body 1 is provided with a plurality of lower blowing nozzles 7, the lower blowing nozzles 7 are communicated with a lower blowing pipe 6, and the lower blowing pipe 6 is provided with a first electric heating chamber 21 for heating the gas in the pipe and a first drying chamber 11 for drying the gas in the pipe; an electric heating wire is arranged in the first electric heating chamber 21, and when the gas on the lower blowing pipe 6 flows through the first electric heating chamber 21, the gas is heated by the electric heating wire; the first drying chamber 11 is typically arranged with highly water-absorbent particles, such as carbon particles, to absorb moisture in the gas flowing through the first drying chamber 11.

The top of the box body 1 is provided with a plurality of upper blowing nozzles 5, the upper blowing nozzles 5 are communicated with an upper blowing pipe 4, and the upper blowing pipe 4 is provided with a second electric heating chamber 20 for heating gas in the pipe and a second drying chamber 10 for drying the gas in the pipe; the middle part of the box body 1 is also provided with a plurality of air suction ports 9, the air suction ports 9 are communicated with an air suction pipe 12, a fan 13 is arranged on the air suction pipe 12, and the end part of the air suction pipe 12 is respectively communicated with the upper blowing pipe 4 and the lower blowing pipe 6. The second electric heating chamber 20 and the first electric heating chamber 21 have the same structure, and the second drying chamber 10 and the first drying chamber 11 have the same structure.

Preferably, an insulating layer 8 is disposed outside the case 1.

Preferably, the air suction pipe 12, the upper blowing pipe 4 and the lower blowing pipe 6 are all wrapped with insulation material.

Further, a first switch 18 is further arranged on the lower blowing pipe 6, a first shunt branch 15 connected in parallel is arranged on the lower blowing pipe 6, a second switch 19 is arranged on the first shunt branch 15, and the first drying chamber 11 and the first switch 18 are both located between two nodes where the first shunt branch 15 and the lower blowing pipe 6 intersect. When the first drying chamber 11 is replaced and repaired, the second switch 19 is opened to close the first switch 18, thereby ensuring that the oven can continue to work.

Further, the upper blowing pipe 4 is further provided with a third switch 16, the upper blowing pipe 4 is provided with a second branch 14 connected in parallel, the second branch 14 is provided with a fourth switch 17, and the second drying chamber 10 and the third switch 16 are both located between two nodes where the second branch 14 intersects with the upper blowing pipe 4.

The oven has the following working process: firstly, a paper tape 2 is led in from a paper inlet of an oven box body 1 to bypass a plurality of rollers 3 and then is led out from a paper outlet, then a machine is started to enable the paper tape to move at a constant speed, and meanwhile, a first electric heating chamber 21, a second electric heating chamber 20, a first drying chamber 11, a second drying chamber 10 and a fan 13 start to work; the air in the box body 1 is sucked into an air suction pipe 12 through an air suction port 9, is driven by a fan 13 to be divided into a lower blowing pipe 6 and an upper blowing pipe 4, and then enters the box body 1 through a lower blowing nozzle 7 and an upper blowing nozzle 5 after being dried and heated respectively.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An oven for drying paper, which comprises a box body provided with a paper outlet and a paper inlet, and is characterized in that,

a plurality of rotating rollers are arranged in the upper space in the box body, and a plurality of rotating rollers are arranged in the lower space in the box body;

the bottom of the box body is provided with a plurality of lower blowing nozzles, the lower blowing nozzles are communicated with a lower blowing pipe, and a first electric heating chamber for heating the gas in the pipe and a first drying chamber for drying the gas in the pipe are arranged on the lower blowing pipe;

the top of the box body is provided with a plurality of upper blowing nozzles, the upper blowing nozzles are communicated with upper blowing pipes, and the upper blowing pipes are provided with a second electric heating chamber for heating the gas in the pipes and a second drying chamber for drying the gas in the pipes;

the middle part of the box body is also provided with a plurality of air suction ports which are communicated with the air suction pipe, the air suction pipe is provided with a fan, and the end part of the air suction pipe is respectively communicated with the upper blowing pipe and the lower blowing pipe.

2. The oven for drying paper of claim 1, wherein an insulating layer is disposed outside said cabinet.

3. The oven for drying paper of claim 2 wherein said suction duct, said upper blow duct and said lower blow duct are each coated with insulation.

4. The oven for drying paper according to claim 1 or 3, wherein a first switch is further provided on the lower blowing pipe, a first branch is provided in parallel on the lower blowing pipe, a second switch is provided on the first branch, and the first drying chamber and the first switch are both located between two nodes where the first branch intersects with the lower blowing pipe.

5. The oven for drying paper according to claim 4, wherein said upper blowing pipe is further provided with a third switch, said upper blowing pipe is provided with a second branch connected in parallel, said second branch is provided with a fourth switch, and said second drying chamber and said third switch are both located between two nodes where said second branch intersects said upper blowing pipe.