CN215676268U - Drying disc for disc drier - Google Patents
Drying disc for disc drier Download PDFInfo
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- CN215676268U CN215676268U CN202121545483.5U CN202121545483U CN215676268U CN 215676268 U CN215676268 U CN 215676268U CN 202121545483 U CN202121545483 U CN 202121545483U CN 215676268 U CN215676268 U CN 215676268U
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Abstract
The utility model provides a drying disc for a disc drier, which comprises: the first semicircular part and the second semicircular part are spliced to form an integrated disc structure; the structure of first semicircle portion, second semicircle portion is the same, and both include: the arc-shaped hollow cavity is internally provided with a plurality of arc guide plates which are uniformly distributed at intervals along the radial direction, and a one-way roundabout labyrinth flow passage is formed by the arc guide plates and the inner wall of the hollow cavity; an inlet pipeline and an outlet pipeline are arranged on the outer wall of the hollow cavity, the inlet pipeline is communicated with the inlet of the labyrinth flow passage, and the outlet pipeline is communicated with the outlet of the labyrinth flow passage. The utility model adopts a labyrinth structure, which not only can uniformly heat the material on the drying disk, but also can avoid the thermal deformation of the drying disk caused by uneven heating, thereby reducing the frequency of machine halt maintenance on the deformed drying disk and rake blades; the whole structure is simple, and the manufacture is convenient.
Description
Technical Field
The utility model relates to the field of drying machine devices, in particular to a drying disc for a disc drying machine.
Background
At present, in the known vertical tower-shaped disc drying device, a feeding machine continuously adds wet materials to a drying disc at the top, a scraping rake blade performs rotary motion, the rake blade is designed to have a specific installation angle according to a large disc and a small disc, and the materials on the large drying disc are scraped by the scraping rake blade to move towards the center and fall onto the small drying disc at the next layer; the materials on the small drying disks are scraped by the scraping rake blades to be pushed to the outer edge to move and fall onto the large drying disks below, the large drying disks and the small drying disks are arranged alternately, the materials on the drying disks at the bottommost layer are scraped by the scraping rake blades to be pushed to the central discharge hole to be discharged, and water vapor volatilized from the materials in the drying process is discharged from the moisture discharge port on the top cover. The prior art uses heat conduction oil and hot water as heat sources, the heat conduction oil and the hot water enter a jacket in a large drying disc and a small drying disc, particularly when the heat conduction oil is used as the heat source for heating, the defect that a local drying disc is not uniformly heated can be caused, the generated temperature difference causes the deformation of the disc, particularly, bulges can be generated on the upper surface of the drying disc, the contact of rake blades and drying disc salient points is influenced in the process of scraping materials, the rake blades are deformed under stress, even are blocked, the operation of the scraping rake blades is not smooth, the drying equipment driving motor is overloaded and stopped, the deformed drying disc and the rake blades need to be stopped and overhauled, and therefore, the drying disc structure is urgently required to be improved in order to overcome the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a drying disc for a disc drying machine, which solves the defect of uneven heating of the drying disc.
The utility model provides a drying disc for a disc drier, which comprises:
a first semicircular portion;
the second semicircular part and the first semicircular part are spliced to form an integrated disc structure;
the first semicircular part and the second semicircular part have the same structure, and both of the first semicircular part and the second semicircular part comprise:
the device comprises a hollow cavity chamber which is arc-shaped, wherein a plurality of arc-shaped guide plates which are uniformly distributed at intervals along the radial direction are arranged in the hollow cavity chamber, and a one-way roundabout labyrinth flow passage is formed by the arc-shaped guide plates and the inner wall of the hollow cavity chamber; and an inlet pipeline and an outlet pipeline are arranged on the outer wall of the hollow cavity, the inlet pipeline is communicated with the inlet of the labyrinth flow passage, and the outlet pipeline is communicated with the outlet of the labyrinth flow passage.
Preferably, an inlet flow channel is arranged in the arc-shaped hollow cavity, one end of the inlet flow channel is communicated with the inlet pipeline, and the other end of the inlet flow channel is communicated with an inlet communicated with the labyrinth flow channel.
Preferably, an inlet of the labyrinth flow passage is disposed at an inner side of the hollow chamber, and an outlet of the labyrinth flow passage is disposed at an outer side of the hollow chamber.
Preferably, the hollow chamber in an arc shape includes:
a first semicircular plate;
the shape and the size of the second semicircular plate are matched with those of the first semicircular plate, and the second semicircular plate is arranged below the first semicircular plate;
the connecting plate is arranged at the end parts of the first semicircular plate and the second semicircular plate, and the second semicircular plate is vertically connected with the first semicircular plate through the connecting plate to form a semicircular frame;
the inner surrounding plate is arranged on the inner side of the arc-shaped frame in a surrounding manner, so that the inner side of the arc-shaped frame is closed;
peripheral board, peripheral board encloses to locate the outside of arc type frame makes the outside of arc type frame is sealed, promptly by semicircle type frame interior bounding wall the connecting plate reaches peripheral board constitutes be the well plenum chamber of arc type.
Preferably, the second semicircular part and the first semicircular part are connected through a connecting plate to form a whole. The connecting plate of the second semicircular part is connected with the connecting plate of the first semicircular part through a connecting part.
Preferably, one end of the arc-shaped guide plate is connected with the inner side surface of the connecting plate or the inlet flow channel; the upper end face of the arc-shaped guide plate is connected with the lower surface of the first semicircular plate, and the lower end face of the arc-shaped guide plate is connected with the upper surface of the second semicircular plate.
Preferably, the upper end face of the arc-shaped guide plate is connected with the lower surface of the first semicircular plate through welding, and the lower end face of the arc-shaped guide plate is connected with the upper surface of the second semicircular plate through welding.
Preferably, the bottom surface of the integrated disc structure is provided with a plurality of rib plates, and further, the plurality of rib plates are radially distributed by taking the circle center of the integrated disc structure as the center.
Preferably, the inlet pipeline and the outlet pipeline are both arranged on the outer edge of the hollow cavity.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
according to the structure, the labyrinth heating flow channel is adopted, so that the heat-conducting medium flows along a one-way circuitous path in the heating flow channel, no dead zone exists, the temperature difference between adjacent flow channels is extremely small, the heat-conducting surface of the drying disc is uniformly heated, the material is uniformly heated in the process of drying the material, the local deformation of the heat-conducting surface of the drying disc due to the overlarge temperature difference is avoided, and the maintenance frequency of shutdown equipment is reduced; simultaneously, through adopting split type design with dry disc, assemble into an overall structure by two semi-circular portions promptly for dry disc's rate of heating is faster, and calorific loss is littleer, and the heat distribution of heat-conducting surface is more even.
According to the structure, the inlet pipeline and the outlet pipeline of the heat-conducting medium are further arranged on the outer edge of the hollow cavity, namely on the outer edge of the disc structure, so that the pipeline is convenient to mount, the number of equipment connecting points is small, the number of equipment leakage points is reduced, and the maintenance is convenient.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a drying disc for a disc dryer according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the first semicircular portion of a preferred embodiment of the present invention;
FIG. 3 is a sectional view taken along line A-A;
the scores in the figure are indicated as: the device comprises an inlet pipeline 1, an outlet pipeline 2, a connecting plate 3, an arc-shaped guide plate 4, an inner surrounding plate 5, a rib plate 6, a guide plate 7, an inlet flow passage 8, a labyrinth flow passage 9, a first semicircular plate 10, a second semicircular plate 11, an outer surrounding plate 12, a first semicircular part 101 and a second semicircular part 102.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.
Referring to fig. 1, a drying disc for a disc dryer according to a preferred embodiment of the present invention includes: the first semicircular part 101 and the second semicircular part 102 are spliced together by the second semicircular part 102 and the first semicircular part 101 to form an integrated disc structure.
Referring to fig. 1, the first semicircular part 101 and the second semicircular part 102 have the same structure, and both of them include: the heat conducting medium heat conducting device comprises a hollow cavity chamber which is of an arc shape, wherein a plurality of arc guide plates 4 which are uniformly distributed at intervals along the radial direction are arranged in the hollow cavity chamber, arc flow channels are formed by the adjacent arc guide plates 4 and the inner wall of the hollow cavity chamber, a plurality of arc flow channels which are connected end to end are formed in the hollow cavity chamber from inside to outside, namely, a one-way circuitous labyrinth flow channel 9 is formed between the arc guide plates 4 and the inner wall of the hollow cavity chamber, so that the heat conducting medium can flow along a one-way circuitous path in the labyrinth flow channel 9. In the heating process, the heat-conducting medium flows in a single direction, no dead zone exists, the temperature difference between adjacent arc-shaped flow channels is extremely small, and the purpose of preventing the heat-conducting surface of the drying disc from deforming due to uneven heating is achieved.
An inlet pipeline 1 and an outlet pipeline 2 are arranged on the outer wall of the hollow cavity, the inlet pipeline 1 is communicated with an inlet of the labyrinth flow passage 9, and a heat-conducting medium is introduced into the labyrinth flow passage 9 through the inlet pipeline 1. The outlet pipeline 2 is communicated with an outlet of the labyrinth flow passage 9, and the heat-conducting medium in the labyrinth flow passage 9 is discharged through the outlet pipeline 2.
As a preferred mode, referring to fig. 1, the inlet pipeline 1 and the outlet pipeline 2 are both installed on the outer edge of the hollow chamber, that is, on the outer edge of the integrated disc structure, so that the installation of the pipeline is facilitated, the number of equipment connection points is reduced, the number of equipment leakage points is reduced, and the maintenance is facilitated.
During specific implementation, materials to be dried with a certain thickness are uniformly distributed on the upper surface (namely, a heat conducting surface) of the integrated disc structure, high-temperature heat conducting media are continuously introduced into the labyrinth flow channel 9 from the inlet pipelines 1 of the first semicircular part 101 and the second semicircular part 102 respectively, and the heat conducting media release heat to the materials through the heat conducting effect of the upper surface. The heat transfer medium is generally heat transfer oil, steam, etc.
In other preferred embodiments, referring to fig. 2, an inlet flow channel 8 for drainage is arranged in the arc-shaped hollow chamber, one end of the inlet flow channel 8 is communicated with the inlet pipeline 1, and the other end of the inlet flow channel 8 is communicated with the inlet of the labyrinth flow channel 9. As a preferable mode, referring to fig. 2, the inlet flow channel 8 is a space formed by a guide plate 7 and an inner wall of an end face of the hollow chamber for a heat conducting medium to pass through, one end of the guide plate 7 is connected to an inner wall of a periphery of the hollow chamber, the other end of the guide plate 7 is connected to one end of the innermost arc guide plate 4, when the heat conducting medium enters the hollow chamber through the inlet pipelines 1 of the first semicircular part 101 and the second semicircular part 102, the heat conducting medium is guided to the innermost arc flow channel of the labyrinth flow channel 9 through the inlet guide plate 7 (inlet flow channel 8) of the inlet, and then is guided to the outermost arc flow channel step by step through the arc guide plate 4, and flows out through the heat conducting medium outlet pipeline 2 near the end of the labyrinth flow channel 9, so as to complete uniform heating of the whole drying tray by the heat conducting medium.
In some other preferred embodiments, the inlet of the labyrinth-type flow passage is disposed inside the hollow chamber, and the outlet of the labyrinth-type flow passage is disposed outside the hollow chamber.
In other partially preferred embodiments, the hollow chamber in the arc shape is composed of a first semicircular plate 10, a second semicircular plate 11, a connecting plate 3, an inner surrounding plate 5 and an outer surrounding plate 12.
Referring to fig. 2 and 3, the second semicircular plate 11 matches the first semicircular plate 10 in shape and size, and the second semicircular plate 11 is located below the first semicircular plate 10, that is, the first semicircular plate 10 is an upper plate, and the second semicircular plate 11 is a lower plate. The guide plate 7 and the arc guide plates 4 of the inlet flow channel 8 are arranged between the second semicircular plate 11 and the first semicircular plate 10 and closely connected with the lower surface of the first semicircular plate 10 and the upper surface of the second semicircular plate 11, and the guide plate 7 and the arc guide plates 4 play a role in strengthening and supporting while playing a role in drainage.
The connecting plate 3 is fixed at the end parts of the first semicircular plate 10 and the second semicircular plate 11, the second semicircular plate 11 is connected with the first semicircular plate 10 up and down through the connecting plate 3 to form a semicircular frame, and the end part of the semicircular frame is closed through the connecting plate 3; meanwhile, the connecting plate 3 also plays a role of connecting the first semicircular part 101 and the second semicircular part 102, that is, the first semicircular part 101 and the second semicircular part 102 are fixedly combined into an integrated disc structure through the connecting plate 3.
The inner coaming 5 is arranged at the inner side of the arc-shaped frame in a surrounding way, so that the inner side of the arc-shaped frame is closed. Preferably, the inner panel 5 is arched.
The peripheral plate 12 is arranged around the outer side of the arc-shaped frame to seal the outer side of the arc-shaped frame. Preferably, peripheral plate 12 is arcuate.
A labyrinth flow passage 9 for the heat-conducting medium to flow in a one-way roundabout mode is formed by the semicircular frame, the arc-shaped guide plate 4, the inner surrounding plate 5, the outer surrounding plate 12 and the connecting plate 3.
The inlet duct 1, the flow path guide plate, the first semicircular plate 10, the second semicircular plate 11, and the peripheral plate 12 form a space as the inlet flow path 8.
In other preferred embodiments, referring to fig. 2 and 3, the bottom surface of the integrated disk structure is provided with a plurality of rib plates 6, and the plurality of rib plates 6 are radially distributed around the center of the integrated disk structure. The rib plate 6 plays a role in supporting and reinforcing. In the specific implementation, the rib plates 6 are respectively connected with the outer peripheral plate 12, the second semicircular plate 11 and the inner peripheral plate 5 and are uniformly arranged on the bottom surface of the integrated disc structure.
In other partially preferred embodiments, the connection plate of the second semicircular portion 102 is connected to the connection plate 3 of the first semicircular portion 101 by a connection member, so that the second semicircular portion 102 is integrally connected to the first semicircular portion 101.
In other preferred embodiments, one end of the arc guide plate 4 is connected with the inner side surface of the connecting plate 3 or the inlet flow channel 8 to form a plurality of arc channels connected end to end; the upper end surface of the arc-shaped guide plate 4 is connected with the lower surface of the first semicircular plate 10, and the lower end surface of the arc-shaped guide plate 4 is connected with the upper surface of the second semicircular plate 11. Preferably, the upper end surface of the arc-shaped guide plate 4 is connected to the lower surface of the first semicircular plate 10 by welding, and the lower end surface of the arc-shaped guide plate 4 is connected to the upper surface of the second semicircular plate 11 by welding.
The drying disc for the disc dryer in the embodiment is suitable for a vertical tower type disc drying device for treating municipal sludge, oil sludge, livestock and poultry manure and the like, and particularly for a disc dryer device using liquid such as heat conduction oil, hot water (heat conduction medium) and the like as a heating source. Through improving dry disc structure, by the whole dry disc of two split type semi-circular portion concatenations, adopt the labyrinth runner can not only heat the material above the dry disc uniformly simultaneously, can also avoid dry disc because of the thermal deformation of being heated uneven production to the reduction just will carry out the frequency of shutting down the maintenance to the dry disc that warp and rake leaf.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (10)
1. The utility model provides a drying disc for disc drier which characterized in that includes:
a first semicircular portion;
the second semicircular part and the first semicircular part are spliced to form an integrated disc structure;
the first semicircular part and the second semicircular part have the same structure, and both of the first semicircular part and the second semicircular part comprise:
the device comprises a hollow cavity chamber which is arc-shaped, wherein a plurality of arc-shaped guide plates which are uniformly distributed at intervals along the radial direction are arranged in the hollow cavity chamber, and a one-way roundabout labyrinth flow passage is formed by the arc-shaped guide plates and the inner wall of the hollow cavity chamber; and the outer wall of the hollow cavity is provided with an inlet pipeline communicated with the inlet of the labyrinth flow passage and an outlet pipeline communicated with the outlet of the labyrinth flow passage.
2. The drying disc for the disc drying machine according to claim 1, wherein an inlet flow channel is arranged in the arc-shaped hollow chamber, one end of the inlet flow channel is communicated with the inlet pipeline, and the other end of the inlet flow channel is communicated with the inlet of the labyrinth flow channel.
3. The drying disk for a disk dryer according to claim 2, wherein the inlet of the labyrinth flow passage is disposed inside the hollow chamber, and the outlet of the labyrinth flow passage is disposed outside the hollow chamber.
4. The drying disk for a disk dryer as claimed in claim 2, wherein the hollow chamber having an arc shape comprises:
a first semicircular plate;
the shape and the size of the second semicircular plate are matched with those of the first semicircular plate, and the second semicircular plate is arranged below the first semicircular plate;
the connecting plate is arranged at the end parts of the first semicircular plate and the second semicircular plate, and the second semicircular plate is vertically connected with the first semicircular plate through the connecting plate to form a semicircular frame;
the inner surrounding plate is arranged on the inner side of the arc-shaped frame in a surrounding manner, so that the inner side of the arc-shaped frame is closed;
peripheral board, peripheral board encloses to locate the outside of arc type frame makes the outside of arc type frame is sealed, promptly by semicircle type frame interior bounding wall the connecting plate reaches peripheral board constitutes be the well plenum chamber of arc type.
5. The drying disk for a disk dryer according to claim 4, wherein the second semicircular portion is integrally connected to the first semicircular portion by a connecting plate.
6. The drying disc for the disc drying machine according to claim 4, wherein one end of the arc-shaped guide plate is connected with the inner side surface of the connecting plate or the inlet flow channel; the upper end face of the arc-shaped guide plate is connected with the lower surface of the first semicircular plate, and the lower end face of the arc-shaped guide plate is connected with the upper surface of the second semicircular plate.
7. The drying disc for the disc drying machine according to claim 6, wherein the upper end surface of the arc-shaped guide plate is connected with the lower surface of the first semicircular plate by welding, and the lower end surface of the arc-shaped guide plate is connected with the upper surface of the second semicircular plate by welding.
8. The drying disc for the disc drying machine according to any one of claims 1 to 7, wherein the bottom surface of the integrated disc structure is provided with a plurality of ribs.
9. The drying disc for the disc drying machine according to claim 8, wherein the plurality of rib plates are radially distributed around the center of the integrated disc structure.
10. The drying disk for a disk dryer according to any one of claims 1 to 7, wherein the inlet pipeline and the outlet pipeline are both disposed on an outer edge of the hollow chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545483.5U CN215676268U (en) | 2021-07-08 | 2021-07-08 | Drying disc for disc drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545483.5U CN215676268U (en) | 2021-07-08 | 2021-07-08 | Drying disc for disc drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215676268U true CN215676268U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121545483.5U Active CN215676268U (en) | 2021-07-08 | 2021-07-08 | Drying disc for disc drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215676268U (en) |
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2021
- 2021-07-08 CN CN202121545483.5U patent/CN215676268U/en active Active
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