CN216049058U - Heat conduction oil blade of hollow blade dryer - Google Patents
Heat conduction oil blade of hollow blade dryer Download PDFInfo
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- CN216049058U CN216049058U CN202122715034.7U CN202122715034U CN216049058U CN 216049058 U CN216049058 U CN 216049058U CN 202122715034 U CN202122715034 U CN 202122715034U CN 216049058 U CN216049058 U CN 216049058U
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Abstract
The utility model discloses a heat conducting oil blade of a hollow blade dryer, which has the technical scheme that: the heat conduction oil conveying device comprises a hollow center shaft, a hollow blade shaft, hollow blades and a conveying assembly, wherein the hollow blade shaft is coaxially arranged with the hollow center shaft, the hollow blades are uniformly arranged at the periphery of the hollow blade shaft, the conveying assembly is arranged between the hollow blade shaft and the hollow blades and used for conveying heat conduction oil, the hollow blade shaft is composed of an inner pipe and an outer pipe, and an oil guide pipe with the same curvature as the hollow blade shaft is arranged in a heating cavity of the hollow blade, so that the heat conduction oil is conveniently conveyed through the oil guide pipe, the heat conduction oil is prevented from being directly contacted with the heating cavity of the hollow blade, the heat conduction oil is effectively prevented from being deposited on the inner wall of the heating cavity of the hollow blade, and workers are not convenient to clean the hollow blade.
Description
Technical Field
The utility model relates to the field of hollow blade dryers and instruments, in particular to a heat conduction oil blade of a hollow blade dryer.
Background
The paddle dryer is a horizontal stirring type dryer mainly using conduction. The main structure is a W-shaped shell with a jacket, a paired hollow low-speed rotary hollow shaft is arranged in the W-shaped shell, a plurality of stirring blades are welded on the shaft, the jacket and the hollow stirring blades are filled with heat carriers, two heating surfaces heat materials simultaneously, the heat carriers are usually fed from the middle of a dryer, and the materials are discharged from the other side through the surface of a material layer in a stirring state. The hollow shaft is densely provided with wedge-shaped hollow blades, a heat medium flows through the blades through the hollow shaft, the heat transfer area in a unit effective volume is large, the temperature of the heat medium is from-40 ℃ to 320 ℃, and the heat medium can be water vapor or liquid: such as hot water, heat transfer oil, etc. Indirect conduction heating, no air is carried to take away heat, the heat is used for heating materials, and the heat loss is only heat dissipation to the environment through the heat preservation layer of the device body.
The current chinese patent with publication number CN207600167U discloses a conduction oil blade of hollow blade dryer, including outer tube and inner tube, be fixed with a plurality of hollow blades on the outer wall of outer tube, be equipped with the heating chamber in the hollow blade, be fixed with the oil pipe that advances with the outer tube intercommunication on the outer tube, advance the oil pipe and stretch into the heating intracavity of hollow blade, be fixed with the time oil pipe with the inner tube intercommunication on the inner tube, the time oil pipe passes the outer tube and stretches into the heating intracavity of hollow blade, hollow blade internal fixation has first baffle, second baffle and third baffle, first baffle is close to advance the oil pipe and with outer tube fixed connection, the third baffle is close to the time oil pipe and with outer tube fixed connection, the top fixed connection in second baffle and heating chamber, the inner wall of hollow blade is equipped with the strengthening rib.
However, due to the design characteristics of the heat transfer oil blade, the oil inlet pipe and the oil return pipe for conveying the heat transfer oil are respectively penetrated through the heating cavity of the hollow blade, so that the heat transfer oil is directly contacted with the heating cavity of the hollow blade, heating oil is easily remained in the heating cavity of the hollow blade, the cleaning of the heating cavity of the hollow blade by a worker is inconvenient, and the heat transfer oil blade has the characteristic of inconvenient operation.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems mentioned in the background art, the utility model aims to provide a heat conduction oil blade of a hollow blade dryer, so as to solve the problems that the existing heat conduction oil blade for the hollow blade in the background art is not convenient for workers to clean the heating cavity of the hollow blade because the oil inlet pipe and the oil return pipe for conveying heat conduction oil respectively penetrate through the heating cavity of the hollow blade, so that the heat conduction oil is directly contacted with the heating cavity of the hollow blade, and heating oil is easy to remain in the heating cavity of the hollow blade.
The technical purpose of the utility model is realized by the following technical scheme:
a heat conduction oil blade of a hollow blade dryer comprises a hollow center shaft, a hollow blade shaft, hollow blades and a conveying assembly, wherein the hollow blade shaft is coaxially arranged with the hollow center shaft, the hollow blades are uniformly arranged on the periphery of the hollow blade shaft, the conveying assembly is arranged between the hollow blade shaft and the hollow blades and used for conveying heat conduction oil, and the hollow blade shaft consists of an inner pipe and an outer pipe;
the conveying assembly comprises an oil inlet pipe arranged on one side between the inner pipe and the outer pipe, a first conveying pipeline communicated with the oil inlet pipe, an oil return pipe arranged on the other side between the inner pipe and the outer pipe, a second conveying pipeline communicated with the oil return pipe, and an oil guide pipe arranged on the heating cavity and having the same curvature.
By adopting the technical scheme, the oil guide pipe with the same curvature is arranged in the heating cavity of the hollow blade, so that the heat conduction oil is conveniently conveyed through the oil guide pipe, and the direct contact of the heat conduction oil and the heating cavity of the hollow blade is avoided.
In a preferred aspect of the present invention, the inner pipe is tangentially arranged to an outer periphery of the hollow center shaft, and the outer pipe is fixedly connected to each of the hollow blades.
By adopting the technical scheme, the stability of the hollow blade shaft connected with the hollow middle shaft is effectively ensured, and the stability of the hollow blade connected with the outer pipe is ensured.
As a preferable aspect of the present invention, the inner cavity of the hollow blade is provided with a heating cavity, and the inner wall of the heating cavity is provided with a smooth arc surface.
Through adopting above-mentioned technical scheme, and then be convenient for heat the hollow blade through the heating chamber.
As a preferred aspect of the present invention, the oil inlet pipe and the oil return pipe are coaxially disposed with the hollow blade shaft, and ends of the oil inlet pipe and the oil return pipe, which are far away from the end connected to the first delivery pipe and the second delivery pipe, respectively penetrate through the outer pipe.
Through adopting above-mentioned technical scheme, and then be convenient for carry the conduction oil through advancing oil pipe to carry the conduction oil to in leading the oil pipe through first pipeline, enter into in the oil return pipe through second pipeline.
In a preferred aspect of the present invention, the first delivery pipe penetrates through the outer pipe and is connected to the oil conduit, and the second delivery pipe penetrates through the inner pipe and is connected to the oil return pipe.
Through adopting above-mentioned technical scheme, and then be convenient for carry the conduction oil to leading in the oil pipe through first pipeline, enter into in the oil return pipe through second pipeline.
In summary, the utility model mainly has the following beneficial effects:
the heat conduction oil blade of the hollow blade dryer has the advantage of convenience in use, and is provided with the oil guide pipe with the same curvature as the heat conduction oil blade in the heating cavity of the hollow blade, so that the heat conduction oil can be conveyed conveniently through the oil guide pipe, the direct contact of the heat conduction oil with the heating cavity of the hollow blade is avoided, the heat conduction oil is effectively prevented from being deposited on the inner wall of the heating cavity of the hollow blade, and workers who are inconvenient to clean the hollow blade are not convenient to use.
Drawings
FIG. 1 is one of the schematic structural diagrams of a conduction oil blade of a hollow blade dryer;
FIG. 2 is a second schematic structural view of a heat transfer oil blade of the hollow blade dryer;
FIG. 3 is a structural sectional view of a heat transfer oil blade of the hollow blade dryer;
fig. 4 is a top view of fig. 3.
Reference numerals: 1. a hollow center shaft; 2. a hollow blade shaft; 21. an inner tube; 22. an outer tube; 3. a hollow blade; 31. a heating cavity; 41. an oil inlet pipe; 411. a first delivery conduit; 42. an oil return pipe; 421. a second delivery conduit; 43. and an oil guide pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 3, a heat conduction oil blade of a hollow blade dryer comprises a hollow center shaft 1, a hollow blade shaft 2 coaxially arranged with the hollow center shaft 1, hollow blades 3 uniformly arranged on the periphery of the hollow blade shaft 2, and a conveying assembly arranged between the hollow blade shaft 2 and the hollow blades 3 and used for conveying heat conduction oil, wherein the hollow blade shaft 2 is composed of an inner pipe 21 and an outer pipe 22.
Referring to fig. 2 and 3, the inner tube 21 is arranged tangentially to the periphery of the hollow central shaft 1, and the outer tube 22 is fixedly connected to each hollow blade 3, so that the stability of the connection between the hollow blade shaft 2 and the hollow central shaft 1 is effectively ensured, and the stability of the connection between the hollow blade 3 and the outer tube 22 is ensured.
Referring to fig. 3 and 4, the inner cavity of the hollow blade 3 is provided with a heating cavity 31, and the inner wall of the heating cavity 31 is provided with a smooth arc surface, so that the hollow blade 3 can be conveniently heated through the heating cavity 31.
Referring to fig. 2 and 3, the delivery assembly includes an oil inlet pipe 41 disposed at one side between the inner pipe 21 and the outer pipe 22, a first delivery pipe 411 communicated with the oil inlet pipe 41, an oil return pipe 42 disposed at the other side between the inner pipe 21 and the outer pipe 22, a second delivery pipe 421 communicated with the oil return pipe 42, and an oil guide pipe 43 disposed at the same curvature as the heating cavity 31, the oil inlet pipe 41 and the oil return pipe 42 being coaxially disposed with the hollow paddle shaft 2, respectively, and the ends of the oil inlet pipe 41 and the oil return pipe 42 away from the ends connected with the first delivery pipe 411 and the second delivery pipe 421 respectively penetrate through the outer pipe 22, further facilitating the transportation of the heat conduction oil through the oil inlet pipe 41, transporting the heat conduction oil into the oil guiding pipe 43 through the first transporting pipeline 411, entering the oil return pipe 42 through the second transporting pipeline 421, therefore, the circulation of the heat conducting oil is completed, and the purpose of heating the hollow blade shaft 2 and the hollow blade 3 is further conveniently completed.
Referring to fig. 1 and 3, a first conveying pipeline 411 penetrates through the outer pipe 22 and is connected with the oil guiding pipe 43, and a second conveying pipeline 421 penetrates through the inner pipe 21 and is connected with the oil returning pipe 42, so that heat conducting oil is conveniently conveyed into the oil guiding pipe 43 through the first conveying pipeline 411 and enters the oil returning pipe 42 through the second conveying pipeline 421.
It should be noted here that, in order to improve the purpose of heating the hollow shaft 1 and the hollow blade shaft 2, the inner sides of the oil return pipe 42 and the oil inlet pipe 41 are respectively tangent to the outer side of the inner pipe 21, the outer sides of the oil return pipe 42 and the oil inlet pipe 41 are respectively tangent to the inner wall of the outer pipe 22, and the oil guide pipe 43 is respectively tangent to the upper end surface and the lower end surface of the heating cavity 31, so that the hollow blade shaft 2 is heated by heat conduction oil flowing through the oil inlet pipe 41 and the oil return pipe 42, and the hollow blade 3 is heated by the oil guide pipe 43.
The working principle is as follows: the heat conduction oil is conveyed through the oil inlet pipe 41, conveyed to the oil guide pipe 43 through the first conveying pipeline 411 and enters the oil return pipe 42 through the second conveying pipeline 421, so that the circulation of the heat conduction oil is completed, and the purpose of heating the hollow blade shaft 2 and the hollow blade 3 is further facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hollow blade desiccator's conduction oil blade which characterized in that:
the heat transfer oil pump comprises a hollow center shaft (1), a hollow blade shaft (2) which is coaxial with the hollow center shaft (1), hollow blades (3) which are uniformly arranged on the periphery of the hollow blade shaft (2), and a conveying assembly which is arranged between the hollow blade shaft (2) and the hollow blades (3) and used for conveying heat transfer oil, wherein the hollow blade shaft (2) consists of an inner pipe (21) and an outer pipe (22);
a heating cavity (31) is arranged in the inner cavity of the hollow blade (3);
the delivery module is including setting up advance oil pipe (41) of one side between inner tube (21) and outer tube (22), with advance oil pipe (41) first pipeline (411) that are linked together, set up and be in return oil pipe (42) of opposite side between inner tube (21) and outer tube (22), with return oil pipe (42) second pipeline (421) that are linked together and with oil pipe (43) are led with the camber setting in heating chamber (31).
2. The heat transfer oil blade of the hollow blade dryer according to claim 1, characterized in that: the inner pipe (21) is arranged in a tangent mode with the periphery of the hollow middle shaft (1), and the outer pipe (22) is fixedly connected with each hollow blade (3).
3. The heat transfer oil blade of the hollow blade dryer according to claim 1, characterized in that: the inner wall of the heating cavity (31) is a smooth arc surface.
4. The heat transfer oil blade of the hollow blade dryer according to claim 1, characterized in that: the oil inlet pipe (41) and the oil return pipe (42) are coaxially arranged with the hollow paddle shaft (2) respectively, and one ends, far away from the first conveying pipeline (411) and one ends, connected with the second conveying pipeline (421), of the oil inlet pipe (41) and the oil return pipe (42) respectively penetrate through the outer pipe (22).
5. The heat transfer oil blade of the hollow blade dryer according to claim 1, characterized in that: the first conveying pipeline (411) penetrates through the outer pipe (22) and is connected with the oil guide pipe (43), and the second conveying pipeline (421) penetrates through the inner pipe (21) and is connected with the oil return pipe (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715034.7U CN216049058U (en) | 2021-11-08 | 2021-11-08 | Heat conduction oil blade of hollow blade dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715034.7U CN216049058U (en) | 2021-11-08 | 2021-11-08 | Heat conduction oil blade of hollow blade dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216049058U true CN216049058U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122715034.7U Active CN216049058U (en) | 2021-11-08 | 2021-11-08 | Heat conduction oil blade of hollow blade dryer |
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| CN (1) | CN216049058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218647A (en) * | 2022-08-01 | 2022-10-21 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
-
2021
- 2021-11-08 CN CN202122715034.7U patent/CN216049058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218647A (en) * | 2022-08-01 | 2022-10-21 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
| CN115218647B (en) * | 2022-08-01 | 2024-01-30 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
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