CN211312006U

CN211312006U - Drying device of paper machine

Info

Publication number: CN211312006U
Application number: CN201921760846.XU
Authority: CN
Inventors: 鲍心钢
Original assignee: Shengzhou Yufeng Paper Co ltd
Current assignee: Shengzhou Yufeng Paper Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-08-21
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a drying device of a paper machine, which comprises a frame, wherein a guide cylinder is arranged on the frame, the guide cylinder is rotationally connected with the frame, a motor is arranged on the frame, the motor is fixedly connected with one end of the guide cylinder, an installation cavity is arranged inside the guide cylinder, a heating pipe is arranged in the installation cavity, one end of the heating pipe penetrates through the guide cylinder and is positioned outside, a fan is fixedly arranged on the frame, the fan is fixedly connected with one end of the heating pipe positioned outside, a heating device is arranged in the heating pipe, a wind guide pipe is fixedly arranged in the middle part of the heating pipe, a fan-shaped wind gathering column is fixedly arranged at the upper end of the wind guide pipe, an air outlet is arranged at one side of the wind gathering column far away from the wind guide pipe, a plurality of through holes are arranged on the side wall of the guide cylinder, the utility model has reasonable structure, the wind blown into the heating, and energy waste is reduced.

Description

Drying device of paper machine

Technical Field

The utility model relates to a papermaking technology field, in particular to paper machine drying device.

Background

The paper machine is generally composed of a pulp tank, a papermaking mesh blanket, a mesh blanket conveying guide roller, a mesh blanket cleaning head, a drying cylinder cover and a delivery roller, when the paper machine works, paper pulp is conveyed into the pulp tank after being melted to a certain degree, the papermaking mesh blanket passes through the pulp tank during circulating rotation to make the paper pulp into the mesh blanket, the mesh blanket is in the shape of a wide-width conveying belt, the drying cylinder is in a cylindrical shape, the mesh blanket presses the paper pulp onto the drying surface by a carrier roller when passing through the drying cylinder, the paper pulp is transferred onto the drying cylinder, after the paper pulp is transferred, the mesh blanket continues to rotate, passes through the cleaning head, and is transferred into the pulp tank to make paper again, high-temperature steam is introduced into the drying cylinder, the paper pulp transferred to the surface of the drying cylinder is dried during rotation, moisture emitted during drying is pumped away by the drying cylinder cover on the drying cylinder, when the drying cylinder rotates to the rear head circumference, the paper pulp is dried into a continuous paper tape, and is peeled from the paper, and finally, winding by a paper collecting roller.

When the existing equipment dries paper, hot air can go out from other positions of the guide cylinder, and the paper only can pass through the guide cylinder from the upper part, so that a lot of heat energy is wasted. And the common equipment can only dry the single side of the paper, so that the paper is not uniformly dried. In view of the above problems, a solution is proposed as follows.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper machine drying device has and to concentrate hot-blast top and blow off, makes hot-blast can carry out the drying to paper, can also keep away from hot-blast one side to paper and carry out the drying, makes the advantage of the drying that paper can be better.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a drying device of a paper machine comprises a rack, wherein a guide cylinder is arranged on the rack and is rotationally connected with the rack, a motor is arranged on the rack and is fixedly connected with one end of the guide cylinder, an arc-shaped guide plate is fixedly arranged on the rack and is positioned above the guide cylinder and matched with the radian of the guide cylinder, three guide rollers are arranged on one side of the guide plate and are rotationally connected with the guide plate, the side walls of the three guide rollers are in contact with the guide cylinder, a water suction sleeve is sleeved on each guide roller, an installation cavity is arranged inside the guide cylinder, a heating pipe is arranged in the installation cavity, one end of the heating pipe penetrates through the guide cylinder and is positioned outside, the heating pipe is rotationally matched with the guide cylinder, a fan is fixedly arranged on the rack and is fixedly connected with one end of the heating pipe positioned outside, the heating device is arranged in the heating pipe, the air guide pipe is fixedly arranged in the middle of the heating pipe, the upper end of the air guide pipe is fixedly provided with a fan-shaped air gathering column, one side, away from the air guide pipe, of the air gathering column is attached to the inner wall of the guide cylinder and is in sliding fit with the guide cylinder, an air outlet is formed in one side, away from the air guide pipe, of the air gathering column, and a plurality of through holes are formed in the side wall of the guide cylinder.

Adopt above-mentioned technical scheme, paper is located between guide cylinder and the deflector, the motor starts, it moves to one side to drive paper, paper can drive three guide rolls when removing and rotate, three guide rolls can drive the cover that absorbs water and rotate, make the cover that absorbs water with the moisture absorption of paper keeping away from guide cylinder one side, the fan starts, send into the heating tube with wind, heating device heats wind, make wind become hot-blast, hot-blast through the guide duct enters into the wind column that gathers, and flow from the air outlet of wind column up end, later hot-blast rethread this moment is located a plurality of through-holes of top, blow the lower terminal surface of paper, dry one side that is close to the guide cylinder to paper.

Preferably, two bearing seats are symmetrically and fixedly arranged on two sides of the rack, support columns are fixedly arranged at two ends of the guide cylinder, the two support columns are respectively positioned in the two bearing seats and fixedly connected with the bearing seats, and the heating pipe penetrates through one support column and is in running fit with the support column.

By adopting the technical scheme, the supporting column can support the guide cylinder, and the bearing seat can reduce the frictional resistance received when the supporting column rotates, so that the guide cylinder can rotate more smoothly.

As preferred, heating device includes heater strip and a plurality of heating net, the heater strip is the spiral and distributes, and laminates with the lateral wall of heating pipe, the heating net is circularly, the lateral wall of heating net and the inner wall fixed connection of heating pipe.

By adopting the technical scheme, the heating wire heats the inner wall of the heating pipe, the heating net heats the space inside the heating pipe, and the wind energy in the heating pipe can be sufficiently heated, so that the hot wind can better dry the paper.

Preferably, a heat insulation plate is fixedly arranged on the inner wall of the heating pipe.

By adopting the technical scheme, the heat insulation plate can prevent the heat in the heating pipe from being dissipated, the utilization rate of heat energy is improved, workers can be prevented from being scalded, and the device is safer.

Preferably, small bearings are arranged in the two support columns, the outer edges of the small bearings are fixedly connected with the inner walls of the support columns, and two ends of the guide cylinder respectively penetrate through the two small bearings and are fixedly connected with the inner edges of the small bearings.

By adopting the technical scheme, the small bearing can reduce the friction coefficient between the inner wall of the supporting column and the guide cylinder, so that the supporting column cannot drive the guide cylinder to rotate when rotating, and the device can run smoothly.

Preferably, a heating plate is fixedly arranged on the lower end face of the guide plate, a heating coil is arranged in the heating plate, three sections of arc-shaped grooves are formed in one side of the heating plate, and the arc-shaped grooves are matched with one side of the guide roller.

Adopt above-mentioned technical scheme, heating coil circular telegram back can generate heat to make the hot plate generate heat, the heat on hot plate surface can carry out the drying to paper, and one side that makes paper keep away from the guide section of thick bamboo can rapid draing.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a transverse cross-sectional view of the embodiment;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a longitudinal sectional view of the embodiment;

fig. 5 is an enlarged view of region B in fig. 4.

Reference numerals: 1. a frame; 11. a bearing seat; 12. a small bearing; 2. a guide cylinder; 20. a through hole; 21. a motor; 22. a support pillar; 3. a guide plate; 4. a guide roller; 41. a water absorption sleeve; 5. heating a tube; 51. a fan; 52. heating wires; 53. heating the net; 6. an air guide pipe; 61. a wind gathering column; 7. a heat insulation plate; 8. heating plates; 81. and a heating coil.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 5, a drying device of a paper machine includes a frame 1, and a guide drum 2 is provided on the frame 1. Two bearing blocks 11 are symmetrically and fixedly arranged on two sides of the frame 1, and supporting columns 22 are fixedly arranged at two ends of the guide cylinder 2. The two support columns 22 are respectively located in the two bearing seats 11 and are fixedly connected with the bearing seats 11. The two support columns 22 can support the guide cylinder 2, so that the guide cylinder 2 can be fixed with the frame 1. The two bearing blocks 11 enable the two support columns 22 to rotate on the machine frame 1, so that the guide cylinder 2 can rotate on the machine frame 1.

The frame 1 is provided with a motor 21, and the motor 21 is fixedly connected with one end of one supporting column 22. The paper to be dried is placed above the guide cylinder 2, and after the motor 21 is started, the motor 21 drives the supporting column 22 to rotate, so that the guide cylinder 2 starts to rotate. The guide cylinder 2 rotates to convey the sheet placed above the guide cylinder 2 to one side.

The inside installation cavity that is equipped with of guide cylinder 2 is equipped with heating pipe 5 in the installation cavity. The two support columns 22 are internally provided with small bearings 12, and both ends of the heating pipe 5 are fixedly connected with the inner edges of the small bearings 12. When the guide cylinder 2 and the support column 22 start to rotate, the heating pipe 5 does not obstruct the support column 22 from rotating, so that the guide cylinder 2 can better complete the guiding of the paper.

The frame 1 is fixedly provided with a fan 51, and the fan 51 is fixedly connected with one end of the heating pipe 5 positioned outside. When the blower 51 is started, air is blown into the heating pipe 5. The heating pipe 5 is internally provided with a heating device which can heat the wind in the heating pipe 5, so that the wind is changed into hot wind.

The heating device comprises a heating wire 52 and a plurality of heating nets 53, the heating wire 52 is attached to the side wall of the heating pipe 5, and the side wall of each heating net 53 is fixedly connected with the inner wall of the heating pipe 5. The heating wire 52 is attached to the side wall of the heating pipe 5 to heat the heating pipe 5, and the heating net 53 heats the space inside the heating pipe 5, so that the wind entering the heating pipe 5 can be sufficiently heated.

The inner wall of the heating pipe 5 is fixedly provided with a heat insulation plate 7. The heat insulation plate 7 can prevent the heat in the heating pipe 5 from being dissipated, so that the heat in the heating pipe 5 can be used for heating the wind entering the heating pipe 5, and the utilization rate of the heat energy is improved.

The middle part of the heating pipe 5 is fixedly provided with an air guide pipe 6, the upper end of the air guide pipe 6 is fixedly provided with a fan-shaped air gathering column 61, and one side of the air gathering column 61 far away from the air guide pipe 6 is attached to the inner wall of the guide cylinder 2. The heated hot air in the heating pipe 5 flows out from the air guide pipe 6 and enters the air collecting column 61. An air outlet is arranged on one side of the air gathering column 61, which is far away from the air guide pipe 6, and the air outlet is arranged upwards, so that the air in the air gathering column 61 can be blown upwards all the time.

The side wall of the guide cylinder 2 is provided with a plurality of through holes 20, and when the guide cylinder 2 rotates, the through holes 20 on the guide cylinder also rotate. The hot air is always blown out from the through hole 20 located above, and dries the lower end surface of the paper located above.

An arc-shaped guide plate 3 is fixedly arranged on the frame 1, and the guide plate 3 is positioned above the guide cylinder 2. The paper passes between the guide plate 3 and the guide cylinder 2, and the guide plate 3 restricts the upper side of the paper so that the paper cannot move upward, and the paper can be smoothly guided by the guide cylinder 2.

The lower terminal surface of deflector 3 sets firmly hot plate 8, is equipped with heating coil 81 in the hot plate 8. The heating coil 81 generates heat after being energized, thereby heating the heating plate 8, and the heating plate 8 can increase the temperature between the guide cylinder 2 and the heating plate 8 after generating heat, thereby drying the paper passing between the guide cylinder 2 and the heating plate 8.

One side of deflector 3 is equipped with three guide rolls 4, and three guide rolls 4 all rotate with deflector 3 to be connected. In the process of guiding and conveying the paper, the upper end face of the paper is contacted with the lower end faces of the three guide rollers 4, so that the paper can drive the three guide rollers 4 to rotate through friction. The three guide rollers 4 are all sleeved with water absorption sleeves 41, and the water absorption sleeves 41 can absorb water on the upper end face of the paper so as to keep the upper end face of the paper dry.

Claims

1. The utility model provides a drying device of a paper machine, includes frame (1), its characterized in that, be equipped with guide cylinder (2) on frame (1), guide cylinder (2) rotate with frame (1) and are connected, be equipped with motor (21) on frame (1), the one end fixed connection of motor (21) and guide cylinder (2), curved deflector (3) have set firmly on frame (1), deflector (3) are located the top of guide cylinder (2), and cooperate with the radian of guide cylinder (2), one side of deflector (3) is equipped with three guide rolls (4), three guide roll (4) all rotate with deflector (3) and are connected, three the lateral wall of guide roll (4) all contacts with guide cylinder (2), the cover is equipped with water absorption cover (41) on guide roll (4), the inside installation cavity that is equipped with of guide cylinder (2), a heating pipe (5) is arranged in the mounting cavity, one end of the heating pipe (5) penetrates through the guide cylinder (2), and is positioned outside, the heating pipe (5) is rotationally matched with the guide cylinder (2), a fan (51) is fixedly arranged on the frame (1), the fan (51) is fixedly connected with one end of the heating pipe (5) which is positioned outside, a heating device is arranged in the heating pipe (5), a wind guide pipe (6) is fixedly arranged in the middle of the heating pipe (5), a fan-shaped wind gathering column (61) is fixedly arranged at the upper end of the wind guide pipe (6), one side of the wind gathering column (61) far away from the wind guide pipe (6) is attached to the inner wall of the guide cylinder (2), and the air collecting column is in sliding fit with the guide cylinder (2), an air outlet is formed in one side, away from the air guide pipe (6), of the air collecting column (61), and a plurality of through holes (20) are formed in the side wall of the guide cylinder (2).

2. The drying device of the paper machine according to claim 1, characterized in that two bearing seats (11) are symmetrically fixed on two sides of the frame (1), support columns (22) are fixed on two ends of the guide cylinder (2), the two support columns (22) are respectively located in the two bearing seats (11) and are fixedly connected with the bearing seats (11), and the heating pipe (5) penetrates through one support column (22) and is rotatably matched with the support column (22).

3. A paper machine drying apparatus according to claim 2, characterized in that the heating apparatus comprises a heating wire (52) and a plurality of heating nets (53), the heating wire (52) is spirally distributed and attached to the side wall of the heating pipe (5), the heating nets (53) are circular, and the side wall of the heating net (53) is fixedly connected to the inner wall of the heating pipe (5).

4. Drying installation of a paper machine according to claim 3, characterized in that the heating tube (5) is provided with a heat insulation board (7) fixed to its inner wall.

5. A drying device of a paper machine according to claim 4, characterized in that small bearings (12) are arranged in two supporting columns (22), the outer edges of the small bearings (12) are fixedly connected with the inner walls of the supporting columns (22), and two ends of the guide cylinder (2) respectively penetrate through the two small bearings (12) and are fixedly connected with the inner edges of the small bearings (12).

6. A drying apparatus of a paper machine according to claim 5, characterized in that a heating plate (8) is fixedly arranged on the lower end surface of the guiding plate (3), a heating coil (81) is arranged in the heating plate (8), and three arc-shaped grooves are arranged on one side of the heating plate (8) and are matched with one side of the guiding roll (4).