CN210625206U - Roller structure of tubular dryer - Google Patents
Roller structure of tubular dryer Download PDFInfo
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- CN210625206U CN210625206U CN201921613403.8U CN201921613403U CN210625206U CN 210625206 U CN210625206 U CN 210625206U CN 201921613403 U CN201921613403 U CN 201921613403U CN 210625206 U CN210625206 U CN 210625206U
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Abstract
The utility model relates to a roller structure of a tubular dryer, which comprises a roller, wherein the right side in the roller is provided with an air inlet box and an exhaust box, a plurality of tubular columns are arranged in the roller along the circumferential direction of the roller, and the minimum distance between the tubular columns and the inner wall of the roller is more than or equal to one third of the radius of the roller in the radial direction of the roller; a material guide plate area and a shoveling plate area are sequentially arranged on the inner wall of the roller from left to right, a row pipe area is arranged in the middle of the roller, the length direction of the row pipe area is consistent with the length direction of the roller, and the length of the row pipe area is equal to the sum of the lengths of the material guide plate area and the shoveling plate area; the material guide plate area is provided with material guide plates, the shoveling plate area is provided with a plurality of groups of shoveling plates, and the shoveling plates are fixed on the inner wall of the roller. This cylinder structure has lengthened tubulation length, improves heat radiating area, simultaneously, and increase inlet box and cylinder inner wall clearance solve probably putty problem.
Description
Technical Field
The utility model relates to a drying equipment field of drying is carried out the material, concretely relates to tube nest dryer cylinder structure.
Background
The tubular dryer belongs to an indirect heat transfer drying device, and is additionally provided with tubular columns on the basis of a traditional direct heat exchange rotary dryer, heat sources such as steam and hot flue gas can be introduced into the tubular columns, and heat required by drying is transferred to the dried materials through heat pipes. The utility model discloses a novel tube row drying-machine as grant utility model patent of bulletin number CN204854285U, this drying-machine include feeder, cyclone, draught fan, cylinder, spiral discharge machine, rotatory air inlet joint, steam tube. When the material conveying device is used, materials enter the drying roller from the feed opening of the spiral feeder, and the drying roller inclines and moves towards the discharge end of the drying roller under the action of the shoveling plate. Steam enters the tube array through the rotary air inlet joint, specifically enters from the air inlet pipe, is discharged from the exhaust pipe to the air outlet of the rotary air inlet joint, and is finally discharged. The moving materials are not directly contacted with hot gas but can exchange heat, so that the aim of drying the materials is fulfilled.
To better explain the technical problem to be solved by the present application, the prior art is first taken as an example to describe, for example, fig. 1 is a drum structure of a tubular dryer, three working areas are arranged in the drum 1, and the three working areas are a material guide plate area a, a shovelling plate area B and a tubular area C from left to right. The material guide plate area is provided with a material guide plate 3, the material guide plate 3 is a plate which is obliquely arranged and has a certain included angle (45 degrees) with the axis of the roller, and materials entering from the port of the roller can be better guided to the shoveling plate area. The shoveling plate area is provided with a shoveling plate 4 which plays a role of lifting materials, is better contacted with hot air and improves the drying efficiency. The tubulation area is equipped with the tubulation 2 of a plurality of roots, and tubulation 2 supports through corresponding support rib plate 11, and tubulation 2 is the U type pipe that comprises intake pipe 21 and blast pipe 22, and the right-hand member and the inlet box 6 intercommunication of intake pipe 21, the right-hand member and the exhaust box 5 intercommunication of blast pipe 22, and the left end of intake pipe is connected with the left end that belongs to the blast pipe of same root tubulation. The outer side of the discharging end is provided with a rotary joint 8, the air inlet box is connected with an air inlet hollow shaft 10, and an air inlet 81 of the rotary joint 8 is communicated with the air inlet hollow shaft 10. The exhaust box 5 is connected with an exhaust hollow shaft 9, the exhaust hollow shaft 9 is arranged in the air inlet hollow shaft 10 in a penetrating way, and the exhaust hollow shaft 9 and the air inlet hollow shaft are coaxially arranged. The hollow exhaust shaft 9 communicates with the exhaust port 82 of the rotary joint.
The tube array in the tube array dryer roller in the figure 1 is short in length and small in heat dissipation area, the tube array is close to the inner wall of the roller, a shoveling plate cannot be added in a tube array area, and the air inlet box is close to the inner wall of the roller, so that the phenomenon of material blockage can occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tubulation drying-machine cylinder structure to solve tubulation length short, tubulation apart from the near technical problem of cylinder inner wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the roller structure of the tubular dryer comprises a roller, wherein the feeding direction of the roller is left-in and right-out, an air inlet box and an exhaust box are arranged on the right side in the roller, a plurality of tubular columns are arranged in the roller along the circumferential direction of the roller, each tubular column is a U-shaped tube consisting of an air inlet tube and an exhaust tube, the right end of the air inlet tube is communicated with the air inlet box, the right end of the exhaust tube is communicated with the exhaust box, and the left end of the air inlet tube is connected with the left end of the exhaust tube belonging to the same tubular column;
in the radial direction of the roller, the minimum distance between the tube nest and the inner wall of the roller is more than or equal to one third of the radius of the roller;
a material guide plate area and a shoveling plate area are sequentially arranged on the inner wall of the roller from left to right, a row pipe area is arranged in the middle of the roller and is arranged in the row pipe area, the length direction of the row pipe area is consistent with the length direction of the roller, and the length of the row pipe area is equal to the sum of the lengths of the material guide plate area and the shoveling plate area;
the material guide plate area is provided with material guide plates which are fixed on the inner wall of the roller, the shoveling plate area is provided with a plurality of groups of shoveling plates which are fixed on the inner wall of the roller, each group of shoveling plates are distributed along the circumferential direction of the roller, and each shoveling plate of each group of shoveling plates is arranged along the axial direction of the roller.
Furthermore, the shovelling plate area is composed of a shovelling plate first area and a shovelling plate second area, the shovelling plate first area is a shovelling plate chain area, the shovelling plate first area is provided with a shovelling plate and a chain, one end of the chain is fixed on the inner wall of the roller, and the chain and the shovelling plate in the shovelling plate first area are arranged at intervals;
the first shovelling plate area is close to the material guide plate area, the length of the second shovelling plate area is larger than that of the first shovelling plate area, and the second shovelling plate area is only provided with the shovelling plates.
Furthermore, the shovelling plate is an L-shaped plate.
Furthermore, the material guide plates are straight plates, the material guide plates and the horizontal plane are arranged at an angle of 45 degrees, a group of material guide plates are arranged, each material guide plate is arranged along the circumference of the roller, and the material guide plates are positioned at the positions close to the left end part of the roller.
Furthermore, each tube array is divided into a first group of tube arrays and a second group of tube arrays, the first group of tube arrays and the second group of tube arrays are distributed along the circumferential direction of the roller, the distribution circle where the first group of tube arrays are located is smaller than the distribution circle where the second group of tube arrays are located, and the number of the tube arrays contained in the first group of tube arrays is half of the number of the tube arrays contained in the second group of tube arrays.
Furthermore, the pipe diameters of the first group of tubes are the same as those of the second group of tubes, and the number of the first group of tubes is 10, and the first group of tubes are uniformly distributed along the circumference of the roller.
The utility model has the advantages that:
compared with the tube array in the prior art, under the condition of the rollers with the same length and the same cylinder diameter, the length of the tube array is lengthened, the tube array is completely covered in the axial direction of the rollers, the arrangement of the tube array is more compact, and the tube array is drawn close to the central axis of the rollers, so that the design increases the heat dissipation area of the tube array on one hand, provides more heat to dry materials, and improves the drying efficiency; on the other hand, the minimum interval grow of shell and tube and cylinder inner wall for the external diameter size design of inlet box diminishes, and then has solved the inlet box and has more closely the possible putty problem that brings apart from the cylinder inner wall. The guide plate area and the shoveling plate area are redesigned for not influencing the functions of the guide plate and the shoveling plate, and after the gap between the row pipe and the roller is enlarged, the guide plate and the shoveling plate can be arranged on the inner wall of the roller in the annular space between the roller and the row pipe, so that the normal guide and shoveling effect is achieved, the shoveling plate area can be longer, and the heat exchange efficiency of the material and hot air is further improved.
Drawings
FIG. 1 is a schematic view of a drum structure of a dryer in the prior art;
FIG. 2 is a schematic view of the partition of FIG. 1;
FIG. 3 is a schematic view of the right end portion of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the material guide region of the drum in FIG. 2;
FIG. 5 is a schematic cross-sectional view of the blade zone of the drum in FIG. 2;
FIG. 6 is a schematic cross-sectional view of the tubulation area of the roller of FIG. 2;
FIG. 7 is a schematic cross-sectional view (looking from right to left) of the right end portion of the drum of FIG. 2;
FIG. 8 is a schematic view of the roller structure of the tubular dryer of the present invention;
FIG. 9 is a sectional view of the drum of FIG. 8;
FIG. 10 is a schematic view of the right end of the drum of FIG. 8;
fig. 11 is a schematic cross-sectional view of the guide plate region of the drum in fig. 8;
FIG. 12 is a schematic cross-sectional view of a section of the flight of the drum of FIG. 8;
FIG. 13 is a schematic cross-sectional view of the second section of the flight of the drum of FIG. 8;
fig. 14 is a schematic cross-sectional view (from right to left) of the right end portion of the drum of fig. 8.
Names corresponding to the marks in the figure:
1. the device comprises a roller, 2, a tube nest, 21, an air inlet pipe, 22, an exhaust pipe, 3, a material guide plate, 4, a shoveling plate, 5, an exhaust box, 6, an air inlet box, 7, a discharge end, 8, a rotary joint, 81, an air inlet, 82, an exhaust port, 9, an exhaust hollow shaft, 10, an air inlet hollow shaft, 11, a support rib plate, 12 and a chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The embodiment of the utility model provides a:
as shown in fig. 8-14, the roller structure of the tubular dryer comprises a roller 1, wherein the feeding direction of the roller 1 is left-in and right-out, an air inlet box 6 and an exhaust box 5 are arranged on the right side in the roller 1, a discharging end 7 is arranged at the right end of the roller 1, the roller is rotatable relative to the discharging end, and a discharging port is arranged at the lower part of the discharging end. A plurality of tubes 2 are arranged in the roller 1 along the circumferential direction. The inner wall of the roller is sequentially provided with a material guide plate area D and a shoveling plate area from left to right, and the middle position in the roller is a row pipe area. The specific structure is as follows:
each row pipe 2 is arranged in the row pipe area, the length direction of the row pipe area is consistent with the length direction of the roller, and the row pipe area is also the middle space position of the radial direction of the roller and extends along the axial direction of the roller.
Each tube array is divided into a first group of tube arrays and a second group of tube arrays, the first group of tube arrays and the second group of tube arrays are distributed along the circumferential direction of the roller, and the distribution circle where the first group of tube arrays is located is smaller than the distribution circle where the second group of tube arrays is located. The pipe diameter of the first group of tubes is the same as that of the second group of tubes, and the number of the first group of tubes is 10, and the first group of tubes are uniformly distributed along the circumference of the roller. The first group of tubes contains half the number of tubes as the second group of tubes.
Each tube nest 2 is a U-shaped tube formed by an air inlet tube 21 and an air outlet tube 22, the right end of the air inlet tube 21 is communicated with an air inlet box 6, the right end of the air outlet tube 22 is communicated with an air outlet box 5, and the left end of the air inlet tube 21 is connected with the left end of the air outlet tube 22 belonging to the same tube nest.
In the radial direction of the roller, the minimum distance between the tube nest and the inner wall of the roller is more than or equal to one third of the radius of the roller, and the size proportion adopted in the embodiment is as follows: the distance between the second group of tubes and the inner wall of the roller is equal to one third of the radius of the roller. Compared with the prior art, the improved structure has the advantages that the length of the tubes is lengthened, the diameter of a distribution circle where the first group of tubes and the second group of tubes are located is reduced, namely the tubes are arranged more compactly and are close to the central axis of the roller, so that the design is realized, on one hand, the heat dissipation area of the tubes is increased, enough heat is provided for drying materials, and the drying efficiency is improved; on the other hand, the minimum interval grow of shell and tube and cylinder inner wall for the external diameter size of inlet box diminishes, and then has solved the inlet box and has close possible putty problem that brings apart from the cylinder inner wall. In this description, the air inlet box and the air outlet box are both disc-shaped structures, which belong to the structural design of the prior art, and only the relative size is changed in this embodiment.
In this embodiment, the connection relationship between the intake box and the exhaust box and the rotary joint belongs to the prior art, and is not described in detail. The simple description is as follows, air inlet box 6 is connected with air inlet hollow shaft 10, and the air inlet of rotary joint 8 communicates with air inlet hollow shaft 10, and exhaust box 5 is connected with exhaust hollow shaft 9, and exhaust hollow shaft 9 cartridge is in air inlet hollow shaft 10, and exhaust hollow shaft 9 communicates with the gas vent of rotary joint 8, and the right-hand member of exhaust hollow shaft 9 and rotary joint are sealed rotatory assembly, guarantee that admit air and exhaust are two independent passageways. The air inlet of the rotary joint 8 is used for being connected with a steam pipeline to supply high-temperature steam, and the steam is used as a heat source.
Different with prior art still, the utility model discloses changed the position that sets up in stock guide district and flight district. The length of the column pipe area is equal to the sum of the lengths of the guide plate area and the shovelling plate area, and the length of the column pipe area can be approximately equal to the sum of the lengths of the guide plate area and the shovelling plate area. The gap between the tubes and the inner wall of the roller is increased, so the arrangement positions of the material guide plates and the shoveling plates can be changed. The material guide plate area is provided with a material guide plate which is fixed on the inner wall of the roller. The material guide plate 3 is a straight plate, and the material guide plate 3 and the horizontal plane form an angle of 45 degrees. The material guide plates 3 are provided with a group, all the material guide plates are arranged along the circumference of the roller, and the material guide plates are positioned at the position close to the left end part of the roller. The material guide plate 3 is fixedly welded with the roller, and the material can be rapidly conveyed to the shoveling plate area by the material guide plate 3.
The shoveling plate area is provided with a plurality of groups of shoveling plates 4, the shoveling plates 4 are fixed on the inner wall of the roller, each group of shoveling plates are distributed along the circumferential direction of the roller, and each shoveling plate of each group of shoveling plates is arranged along the axial direction of the roller. The shovelling plate 4 is an L-shaped plate, and belongs to the prior art in terms of a shovelling plate structure alone.
Furthermore, the shovelling plate area is composed of a shovelling plate first area E and a shovelling plate second area F, the shovelling plate first area is a shovelling plate chain area, the shovelling plate first area is provided with a shovelling plate 4 and a chain 12, one end of the chain 12 is fixed on the inner wall of the roller, and the chain and the shovelling plate of the shovelling plate first area are arranged at intervals in the circumferential direction of the roller.
The first shovelling plate area E is close to the material guide plate area D, the length of the second shovelling plate area F is larger than that of the first shovelling plate area E, and the second shovelling plate area is only provided with the shovelling plate 4.
When the roller rotates, the shoveling plate 4 can shovel the materials, so that the materials and hot air can perform sufficient mass heat exchange, and the materials can be quickly dried. And further increase in the shovelling plate district and set up chain 12, when the cylinder is rotatory, on the one hand the chain can break up the material, on the other hand also is more important effect and is thrown the cylinder wall, prevents that the material from gluing on the cylinder wall.
Claims (6)
1. The roller structure of the tubular dryer is characterized in that: the feeding direction of the roller is left-in and right-out, an air inlet box and an air exhaust box are arranged on the right side in the roller, a plurality of tubes are arranged in the roller along the circumferential direction of the roller, each tube is a U-shaped tube consisting of an air inlet tube and an air exhaust tube, the right end of the air inlet tube is communicated with the air inlet box, the right end of the air exhaust tube is communicated with the air exhaust box, and the left end of the air inlet tube is connected with the left end of the air exhaust tube belonging to the same tube;
in the radial direction of the roller, the minimum distance between the tube nest and the inner wall of the roller is more than or equal to one third of the radius of the roller;
a material guide plate area and a shoveling plate area are sequentially arranged on the inner wall of the roller from left to right, a row pipe area is arranged in the middle of the roller and is arranged in the row pipe area, the length direction of the row pipe area is consistent with the length direction of the roller, and the length of the row pipe area is equal to the sum of the lengths of the material guide plate area and the shoveling plate area;
the material guide plate area is provided with material guide plates which are fixed on the inner wall of the roller, the shoveling plate area is provided with a plurality of groups of shoveling plates which are fixed on the inner wall of the roller, each group of shoveling plates are distributed along the circumferential direction of the roller, and each shoveling plate of each group of shoveling plates is arranged along the axial direction of the roller.
2. The tubular dryer drum structure of claim 1, wherein: the shovelling plate area is composed of a shovelling plate first area and a shovelling plate second area, the shovelling plate first area is a shovelling plate chain area, a shovelling plate and a chain are arranged in the shovelling plate first area, one end of the chain is fixed on the inner wall of the roller, and the chain and the shovelling plate in the shovelling plate first area are arranged at intervals;
the first shovelling plate area is close to the material guide plate area, the length of the second shovelling plate area is larger than that of the first shovelling plate area, and the second shovelling plate area is only provided with the shovelling plates.
3. The tubular dryer drum structure of claim 2, wherein: the shoveling plate is an L-shaped plate.
4. The tubular dryer drum structure of claim 2, wherein: the material guide plates are straight plates, the material guide plates and the horizontal plane are arranged at an angle of 45 degrees, a group of material guide plates are arranged, the material guide plates are arranged along the circumference of the roller, and the material guide plates are positioned at the positions close to the left end part of the roller.
5. The tubular dryer drum structure of claim 1, wherein: each tube array is divided into a first group of tube arrays and a second group of tube arrays, the first group of tube arrays and the second group of tube arrays are distributed along the circumferential direction of the roller, the distribution circle where the first group of tube arrays are located is smaller than the distribution circle where the second group of tube arrays are located, and the number of the tube arrays contained in the first group of tube arrays is half of the number of the tube arrays contained in the second group of tube arrays.
6. The tubular dryer drum structure of claim 5, wherein: the pipe diameter of first group shell and second group shell and tube is the same, and first group shell and tube has 10, along cylinder circumference evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613403.8U CN210625206U (en) | 2019-09-26 | 2019-09-26 | Roller structure of tubular dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613403.8U CN210625206U (en) | 2019-09-26 | 2019-09-26 | Roller structure of tubular dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625206U true CN210625206U (en) | 2020-05-26 |
Family
ID=70751986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921613403.8U Expired - Fee Related CN210625206U (en) | 2019-09-26 | 2019-09-26 | Roller structure of tubular dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625206U (en) |
-
2019
- 2019-09-26 CN CN201921613403.8U patent/CN210625206U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20200926 |