阅读说明：本技术 一种烘缸 (Drying cylinder ) 是由 蒋立波 王云健 于 2019-12-04 设计创作，主要内容包括：本发明属于造纸技术领域,特别涉及一种烘缸。包括传动侧缸盖、缸体、操作侧缸盖、操作侧轴头、集水器、传动侧轴头、分气管及排水装置,其中操作侧缸盖和传动侧缸盖分别设置于缸体的两端,操作侧轴头和传动侧轴头分别设置于操作侧缸盖和传动侧缸盖的外侧,分气管和集水器设置于缸体的轴线上、且一端相互连接,另一端分别与操作侧缸盖和传动侧缸盖连接,操作侧轴头上沿轴向设有与分气管连通的进气通道,传动侧轴头上沿轴向设有与集水器连通的排水通道,缸体的内壁上设有沿轴向排列的多个环形的沟槽,排水装置设置于沟槽和集水器之间,用于将沟槽内的冷凝水排出。本发明能耗低,车速快,生产效率高,降低了生产成本。(The invention belongs to the technical field of papermaking, and particularly relates to a drying cylinder. The water-saving device comprises a transmission side cylinder cover, a cylinder body, an operation side cylinder cover, an operation side shaft head, a water collector, a transmission side shaft head, a gas distribution pipe and a drainage device, wherein the operation side cylinder cover and the transmission side cylinder cover are respectively arranged at two ends of the cylinder body, the operation side shaft head and the transmission side shaft head are respectively arranged at the outer sides of the operation side cylinder cover and the transmission side cylinder cover, the gas distribution pipe and the water collector are arranged on the axis of the cylinder body, one ends of the gas distribution pipe and the one ends of the water collector are mutually connected, the other ends of the gas distribution pipe and the transmission side cylinder cover are respectively connected with the operation side cylinder cover and the transmission side cylinder cover, an air inlet channel communicated with the gas distribution pipe is axially arranged on the operation side shaft head, a drainage channel communicated with the water collector is axially arranged on the transmission side shaft head. The invention has low energy consumption, fast speed, high production efficiency and low production cost.)

1. The drying cylinder is characterized by comprising a transmission side cylinder cover (1), a cylinder body (2), an operation side cylinder cover (3), an operation side shaft head (6), a water collector (16), a transmission side shaft head (17), a gas distribution pipe (18) and a drainage device, wherein the operation side cylinder cover (3) and the transmission side cylinder cover (1) are respectively arranged at two ends of the cylinder body (2), the operation side shaft head (6) and the transmission side shaft head (17) are respectively arranged at the outer sides of the operation side cylinder cover (3) and the transmission side cylinder cover (1), the gas distribution pipe (18) and the water collector (16) are arranged on the axis of the cylinder body (2) and are mutually connected at one end, the other end of the gas distribution pipe is respectively connected with the operation side cylinder cover (3) and the transmission side cylinder cover (1), an air inlet channel (20) communicated with the gas distribution pipe (18) is axially arranged on the operation side shaft head (6), and a drainage channel (21) communicated with the water collector (16) is axially arranged on the transmission side shaft head The inner wall of the cylinder body (2) is provided with a plurality of annular grooves (13) which are arranged along the axial direction, and the drainage device is arranged between the grooves (13) and the water collector (16) and is used for draining condensed water in the grooves (13).

2. A drying cylinder according to claim 1, characterized in that the drainage means comprise a siphon, a water collecting pipe (14) and a drainage pipe (15), at least two water collecting pipes (14) are arranged close to the inner wall of the cylinder body (2) and distributed at 180 degrees, both ends of the water collecting pipe (14) are connected with the operation-side cylinder head (3) and the drive-side cylinder head (1), respectively, the water collecting pipe (14) is communicated with the plurality of grooves (13) through a plurality of siphons, respectively, and the drainage pipe (15) is connected between the water collecting pipe (14) and the water collector (16).

3. A cylinder according to claim 2, characterized in that the drain (15) is of an arc-shaped configuration.

4. A drying cylinder according to claim 2, characterized in that the operating side cylinder head (3) and the drive side cylinder head (1) are each connected on their inner side with a connecting plate (12) of annular configuration, and that the water collecting pipe (14) is connected at both ends with two connecting plates (12), respectively.

5. Drying cylinder according to claim 1, characterised in that the operating side stub shaft (6) and the operating side cylinder cover (3) are of one-piece construction, the driving side stub shaft (17) and the driving side cylinder cover (1) are of one-piece construction, and the axes of the operating side stub shaft (6) and the driving side stub shaft (17) are collinear.

6. Drying cylinder according to claim 1, characterized in that the inner wall of the drive-side cylinder head (1) is provided with a counterweight (11).

7. Drying cylinder according to claim 1, characterized in that the gas distribution pipe (18) is arranged on the axis of the cylinder body (2) and has a plurality of vent holes (19) uniformly distributed on the side wall, one end of the gas distribution pipe (18) is a closed end and is connected with the water collector (16) through a flange, and the other end is an open end, and the open end is positioned with the operation side cylinder cover (3) through a spigot and is connected with the operation side cylinder cover (3) through a bolt.

8. Drying cylinder according to claim 1, characterised in that the water collector (16) is of an open tubular construction with one closed end and the other end, the closed end of the water collector (16) being flanged to the gas distribution pipe (18), the open end being positioned with the drive side cylinder head (1) by means of a spigot and being fixedly connected with the drive side cylinder head (1) by means of a bolt.

9. Drying cylinder according to claim 1, characterized in that the operating side cover (3) is provided with a manhole, the outer end of which is embedded with a gland (7) and the inner end is provided with a manhole cover (4), and the gland (7) and the manhole cover (4) are connected by a stud (5).

10. A drying cylinder according to any one of claims 1-9, characterised in that the diameter of the cylinder body (2) is Φ 3330 mm.

Technical Field

The invention belongs to the technical field of papermaking, and particularly relates to a drying cylinder.

Background

The existing yankee dryer comprises a cylinder body and end covers connected to two ends of the cylinder body, wherein spindle mounting holes are formed in the end covers, and spindles connected with the end covers are installed in the spindle mounting holes. The yankee dryer with the structure has the defects of complex and difficult assembly due to the split type structure of the mandrel and the end cover. At present, the specifications of a yankee dryer of a paper machine are phi 3000 and phi 3660, compared with a phi 3660 dryer, the phi 3000 dryer has the advantages of high energy consumption, low vehicle speed and constant yield, and although the phi 3660 dryer has a high vehicle speed, the dryer body is heavy, the required driving force is large, and the energy consumption and the power consumption are high. Therefore, a drying cylinder with energy saving and high production efficiency is urgently needed.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a drying cylinder to solve the problems of high energy consumption and low production efficiency of the existing drying cylinder.

In order to achieve the purpose, the invention adopts the following technical scheme:

a drying cylinder comprises a transmission side cylinder cover, a cylinder body, an operation side cylinder cover, an operation side shaft head, a water collector, a transmission side shaft head, a gas distribution pipe and a drainage device, wherein the operation side cylinder cover and the transmission side cylinder cover are respectively arranged at two ends of the cylinder body, the operation side shaft head and the transmission side shaft head are respectively arranged at the outer sides of the operation side cylinder cover and the transmission side cylinder cover, the gas distribution pipe and the water collector are arranged on the axis of the cylinder body, one ends of the gas distribution pipe and the water collector are mutually connected, the other ends of the gas distribution pipe and the water collector are respectively connected with the operation side cylinder cover and the transmission side cylinder cover, an air inlet channel communicated with the gas distribution pipe is axially arranged on the operation side shaft head, a water drainage channel communicated with the water collector is axially arranged on the transmission side shaft head, the inner wall of the cylinder body is provided with a plurality of annular grooves which are arranged along the axial direction, and the drainage device is arranged between the grooves and the water collector and used for discharging condensed water in the grooves.

The drainage device comprises a siphon pipe, water collecting pipes and a drainage pipe, wherein at least two water collecting pipes which are distributed at 180 degrees are arranged on the inner wall close to the cylinder body, two ends of each water collecting pipe are respectively connected with the operation side cylinder cover and the transmission side cylinder cover, the water collecting pipes are respectively communicated with the grooves through a plurality of siphon pipes, and the drainage pipe is connected between the water collecting pipes and the water collectors.

The drain pipe is of an arc-shaped structure.

The inner sides of the operation side cylinder cover and the transmission side cylinder cover are both connected with connecting plates of an annular structure, and two ends of the water collecting pipe are respectively connected with the two connecting plates.

The operation side spindle nose and operation side cylinder cap formula structure as an organic whole, transmission side spindle nose and transmission side cylinder cap formula structure as an organic whole, just the operation side spindle nose with the axis collineation of transmission side spindle nose.

And a balance block is arranged on the inner wall of the transmission side cylinder cover.

The gas distribution pipe set up in on the axis of cylinder body and on the lateral wall equipartition have a plurality of air vents, the one end of gas distribution pipe be the blind end, and through the flange with the water collector is connected, the other end be the open end, the open end pass through the tang with operation side cylinder cap location, and through the bolt with operation side cylinder cap is connected.

The water collector is of an open tubular structure with one closed end and the other end, the closed end of the water collector is connected with the gas distribution pipe flange, and the open end of the water collector is positioned with the transmission side cylinder cover through a spigot and is fixedly connected with the transmission side cylinder cover through a bolt.

The operation side cylinder cover is provided with a manhole, a gland is embedded into the outer side end of the manhole, a manhole cover is arranged on the inner side end of the manhole, and the gland is connected with the manhole cover through a stud.

The diameter of the cylinder body is phi 3330 mm.

The invention has the advantages and beneficial effects that:

1. the invention adopts the cylinder body with phi 3330mm, has low energy consumption, fast speed and high production efficiency and reduces the production cost.

2. The shaft head and the cylinder cover are cast into a whole, so that the complex processes of shaft head assembly are reduced, and the production cost is reduced.

3. The gas distribution pipe and the water collector adopt a split structure and are connected through flanges, so that the installation and the maintenance are convenient.

4. The drain pipe of the invention is designed into an arc-shaped structure to prevent the backflow of condensed water.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view showing the distribution of the drainage pipes in the present invention.

In the figure: the device comprises a driving side cylinder cover 1, a cylinder body 2, an operating side cylinder cover 3, a manhole cover 4, a stud 5, an operating side shaft head 6, a gland 7, a gasket 8, a positioning pin 9, a bolt 10, a balance block 11, a connecting plate 12, a groove 13, a water collecting pipe 14, a water discharging pipe 15, a water collector 16, a driving side shaft head 17, a gas distributing pipe 18, an air vent 19, an air inlet channel 20 and a water discharging channel 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the drying cylinder provided by the present invention comprises a driving side cylinder cover 1, a cylinder body 2, an operating side cylinder cover 3, an operating side shaft head 6, a water collector 16, a driving side shaft head 17, a gas distribution pipe 18 and a drainage device, wherein the operating side cylinder cover 3 and the driving side cylinder cover 1 are respectively arranged at two ends of the cylinder body 2, the operating side shaft head 6 and the driving side shaft head 17 are respectively arranged at the outer sides of the operating side cylinder cover 3 and the driving side cylinder cover 1, the gas distribution pipe 18 and the water collector 16 are arranged on the axis of the cylinder body 2, and one end is connected with each other, the other end is respectively connected with the operating side cylinder cover 3 and the driving side cylinder cover 1, an air inlet channel 20 communicated with the gas distribution pipe 18 is axially arranged on the operating side shaft head 6, a drainage channel 21 communicated with the water collector 16 is axially arranged on the driving side shaft head 17, a plurality of annular grooves 13 arranged along the axial direction are arranged, for draining the condensed water in the groove 13.

The drainage device comprises a siphon, a water collecting pipe 14 and a drainage pipe 15, wherein at least two water collecting pipes 14 distributed at 180 degrees are arranged on the inner wall close to the cylinder body 2, two ends of each water collecting pipe 14 are respectively connected with the operation side cylinder cover 3 and the transmission side cylinder cover 1, the water collecting pipes 14 are respectively communicated with the grooves 13 through the siphon pipes, and the drainage pipe 15 is connected between the water collecting pipes 14 and the water collectors 16.

As shown in fig. 2, in the embodiment of the present invention, four water collecting pipes 14 are uniformly distributed along the circumferential direction, four water discharging pipes 15 are connected between the four water collecting pipes 14 and the water collector 16, and the water discharging pipes 15 are arranged two by two symmetrically. The drain pipe 15 has an arc structure to prevent the backflow of the condensed water.

Further, the inner sides of the operation side cylinder cover 3 and the transmission side cylinder cover 1 are both connected with connecting plates 12 with annular structures, and two ends of the water collecting pipe 14 are respectively connected with the two connecting plates 12.

The operation side shaft head 6 and the operation side cylinder cover 3 are of an integrated structure, the transmission side shaft head 17 and the transmission side cylinder cover 1 are of an integrated structure, and the axes of the operation side shaft head 6 and the transmission side shaft head 17 are collinear. The shaft head and the cylinder cover are cast into a whole, so that the production cost is reduced.

The inner wall of the transmission side cylinder cover 1 is provided with a balance weight 11 for balancing the rotation balance of the cylinder body 2.

The gas distribution pipe 18 is arranged on the axis of the cylinder body 2 and a plurality of vent holes 19 are uniformly distributed on the side wall, one end of the gas distribution pipe 18 is a closed end and is connected with the water collector 16 through a flange, the other end of the gas distribution pipe is an open end, and the open end is positioned with the operation side cylinder cover 3 through a spigot and is connected with the operation side cylinder cover 3 through a bolt.

The water collector 16 is a tubular structure with one closed end and the other open end, the closed end of the water collector 16 is in flange connection with the gas distribution pipe 18, and the open end is positioned with the transmission side cylinder cover 1 through a spigot and is fixedly connected with the transmission side cylinder cover 1 through a bolt.

The operation side cylinder cover 3 is provided with a manhole, a gland 7 is embedded at the outer side end of the manhole, a manhole cover 4 is arranged at the inner side end of the manhole, and the gland 7 is connected with the manhole cover 4 through a stud 5. A gasket 8 is arranged between the manhole cover 4 and the operation side cylinder cover 3.

In the embodiment of the present invention, the diameter of the cylinder body 2 is Φ 3330 mm.

The working principle of the invention is as follows:

high-temperature and high-pressure steam M enters the gas distribution pipe 18 from the gas inlet channel 20 on the operation side shaft head 6 and is uniformly distributed into the cylinder body 2 through the vent holes 19 on the gas distribution pipe 18. During the operation of the drying cylinder, a large amount of condensed water is generated inside the cylinder body 2, when the cylinder body 2 runs at a high speed, the condensed water is gathered in the groove 13 on the inner wall of the cylinder body 2 due to the action of centrifugal force, the condensed water in the groove 13 enters the water collecting pipe 14 through the siphon pipe and then enters the water collector 16 through the water discharging pipe 15, and the condensed water N in the water collector 16 is discharged through the water discharging channel 21. Because the drain pipe 15 is designed to be an arc-shaped structure, the condensed water is prevented from flowing back to the water collecting pipe 14.

The invention adopts the cylinder body with phi 3330mm, has low energy consumption, fast speed and high production efficiency and reduces the production cost.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.