Pipe heating device

By setting up an agitation and cleaning mechanism in the pipeline heater and agitating the liquid with the driven wheel and the blade, the problem of "empty burning" in traditional pipeline heaters when the liquid level is lower than the height of the heating pipe is solved, and heating uniformity is improved and the life of the heating pipe is extended.

CN222703507UActive Publication Date: 2025-04-01DONGGUAN JINYE ELECTRIC HEATING MATERIAL CO LTD
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Patent Information

Application Number
CN202421492224.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-01
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

When the liquid level of the traditional pipeline heater is lower than the height of the heating pipe, some areas of the heating pipe are exposed to the air, resulting in "empty burning", causing energy waste, shortening the service life of the heating pipe, and even causing fires.

Method used

An agitation and cleaning mechanism is provided in the heating structure of the pipeline, including a driven wheel and a vane. The driven wheel and vane are rotated by the driving part to agitate the liquid in the pipeline, increase the peak height of the liquid level, and ensure the contact between the liquid level and the heating pipe.

Benefits of technology

By agitating the liquid, the peak height of the liquid level is increased, the contact between the liquid level and the heating pipe is ensured, the heating uniformity is improved, the dry burning situation is reduced, the service life of the heating pipe is extended, and the risk of fire is avoided.

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Abstract

The present application provides a pipeline heating device, including a pipeline heating structure, wherein a stirring and cleaning mechanism is arranged in the pipeline heating structure, wherein the stirring and cleaning mechanism includes a driving part arranged on the pipeline heating structure, wherein the driving part is connected to a driven wheel, wherein a plurality of blades are fixedly connected to the inner wall of the driven wheel, and the driven wheel and the blades rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure. The present application arranges blades and a driven wheel in the pipeline heating structure, and the driven wheel and the blades rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure, so that the liquid rolls and the peak height of the liquid level is increased, thereby ensuring the contact between the liquid level and the heating tube, improving the heating uniformity, and reducing the dry burning situation.
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Description

Technical Field

[0001] The utility model relates to the technical field of heating pipes, and in particular to a pipeline heating device. Background Art

[0002] In many industries such as chemical, food, and pharmaceutical, pipeline heaters are indispensable equipment. Their main function is to make the liquid flowing through the pipeline reach a predetermined temperature through heat energy exchange. However, as the liquid flows and is consumed in the pipeline, the liquid level may change. Especially in the continuous production process, the liquid replenishment rate may not fully match the consumption rate;

[0003] When the liquid level is lower than the height of the heating tube, problems arise. Traditional pipe heater designs usually do not take this change into account, resulting in partial areas of the heating tube being exposed to the air, resulting in a "blank burn" phenomenon. Blank burn not only means a waste of energy, because the heated air does not produce any economic benefits; more importantly, the heating tube will continue to be attacked by high temperatures in the blank burn state, which will greatly reduce its service life and may even cause serious safety accidents such as fires. Therefore, we have made improvements to this and proposed a pipe heating device. Summary of the invention

[0004] The utility model aims to solve the problem of empty burning when the liquid level in the existing pipeline heater drops.

[0005] In order to achieve the above-mentioned purpose of the invention, the utility model provides a pipeline heating device to improve the above-mentioned problem.

[0006] The specific application is as follows:

[0007] A pipeline heating device comprises a pipeline heating structure, wherein a stirring and cleaning mechanism is arranged in the pipeline heating structure, wherein the stirring and cleaning mechanism comprises a driving part arranged on the pipeline heating structure, wherein the driving part is connected to a driven wheel, wherein a plurality of blades are fixedly connected to the inner wall of the driven wheel, and the driven wheel and the blades rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure.

[0008] As a preferred technical solution of the present application, the driving unit includes a first motor installed on the outside of the pipeline heating structure, the output shaft of the first motor penetrates into the pipeline heating structure and is fixedly connected to a driving wheel, and the driving wheel is frictionally connected to the driven wheel.

[0009] As a preferred technical solution of the present application, the pipeline heating structure includes two connecting pipes connected together by bolts, and the sides of the two connecting pipes that are away from each other are fixedly connected to the conveying pipe.

[0010] As a preferred technical solution of the present application, the first motor is installed on one of the delivery pipes, and the output shaft of the first motor passes through one of the delivery pipes, and a sealed bearing is arranged between the output shaft of the first motor and the connecting pipe.

[0011] As a preferred technical solution of the present application, sealing disks are installed on the sides of the two conveying pipes that are away from each other, one of the sealing disks is fixedly connected to the second connecting pipe, and the top of one of the connecting pipes is connected to the first connecting pipe.

[0012] As a preferred technical solution of the present application, a heating pipe is installed on the other sealing disk, and the heating pipe extends between the two conveying pipes.

[0013] As a preferred technical solution of the present application, a second motor is installed on one of the sealing disks, the output shaft of the second motor passes through the sealing disk and is fixedly connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to two cleaning disks, the two cleaning disks are respectively installed on both sides of the driven wheel through bearings, and the outer surface of the cleaning disk is provided with cleaning bristles.

[0014] As a preferred technical solution of the present application, a support rod is fixedly mounted on one of the sealing disks, the outer surface of the support rod passes through two cleaning disks, and the support rod and the threaded rod are both located between a plurality of blades.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the scheme of this application:

[0017] In order to solve the problem of dry burning occurring after the liquid level in the pipe heater drops in the prior art, the present application arranges a blade and a driven wheel in the pipe heating structure. The driven wheel and the blade rotate under the drive of the driving unit to stir the liquid in the pipe heating structure, causing the liquid to roll and increase the peak height of the liquid level, thereby ensuring the contact between the liquid surface and the heating tube, improving the heating uniformity, and reducing dry burning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of the pipeline heating device provided for this application;

[0019] Figure 2 A schematic diagram of the structure of the pipeline heating device provided for this application;

[0020] Figure 3 A schematic diagram of the structure of the stirring and cleaning mechanism of the pipeline heating device provided in this application;

[0021] Figure 4 A schematic diagram of the structure of a cleaning plate of a pipeline heating device provided in the present application;

[0022] Figure 5 A schematic diagram of the structure of the blade of the pipeline heating device provided for this application;

[0023] Figure 6 The pipe heating device provided for this application Figure 4 Schematic diagram of the front view structure.

[0024] Indicated in the figure:

[0025] 1. Pipe heating structure; 101. Connecting pipe; 102. Delivery pipe; 104. First connecting pipe; 105. Second connecting pipe; 106. Heating pipe; 107. Sealing disk; 2. Stirring and cleaning mechanism; 201. Threaded rod; 202. Support rod; 203. Cleaning disk; 204. Cleaning brush; 205. Blade; 206. Driven wheel; 207. Driving wheel; 208. First motor; 209. Second motor. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] As described in the background art, as the liquid flows and is consumed in the pipeline, the liquid level may change, especially in a continuous production process, where the liquid replenishment rate may not fully match the consumption rate;

[0028] When the liquid level is lower than the height of the heating tube, problems arise. Traditional pipe heater designs usually do not take this change into account, resulting in partial areas of the heating tube being exposed to the air, forming an "empty burn" phenomenon. Empty burn not only means a waste of energy, because the heated air does not produce any economic benefits; more importantly, the heating tube will continue to be attacked by high temperatures in the empty burn state, which will greatly reduce its service life and may even cause serious safety accidents such as fire.

[0029] In order to solve this technical problem, the utility model provides a pipeline heating device.

[0030] Specifically, please refer to Figure 3-Figure 6 , pipeline heating equipment specifically includes:

[0031] A pipeline heating structure 1 is provided with a stirring and cleaning mechanism 2, and the stirring and cleaning mechanism 2 includes a driving part arranged on the pipeline heating structure 1, the driving part is connected to a driven wheel 206, and a plurality of blades 205 are fixedly connected to the inner wall of the driven wheel 206. The driven wheel 206 and the blades 205 rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure 1.

[0032] The utility model provides a pipeline heating device, in which a blade 205 and a driven wheel 206 are arranged in the pipeline heating structure 1. The driven wheel 206 and the blade 205 rotate under the drive of the driving unit to achieve stirring of the liquid in the pipeline heating structure 1, so that the liquid rolls and the peak height of the liquid level is increased, thereby ensuring the contact between the liquid surface and the heating tube 106, improving the heating uniformity, and reducing the dry burning situation.

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] For examples, please refer to Figure 3-Figure 6 A pipeline heating device includes a pipeline heating structure 1, in which a stirring and cleaning mechanism 2 is arranged, and the stirring and cleaning mechanism 2 includes a driving part arranged on the pipeline heating structure 1, the driving part is connected to a driven wheel 206, and a plurality of blades 205 are fixedly connected to the inner wall of the driven wheel 206, and the driven wheel 206 and the blades 205 rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure 1. In this application, the blades 205 and the driven wheel 206 are arranged in the pipeline heating structure 1, and the driven wheel 206 and the blades 205 rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure 1, so that the liquid rolls and increases the peak height of the liquid level, thereby ensuring the contact between the liquid level and the heating tube 106, improving the heating uniformity, and reducing the dry burning.

[0037] Further, such as Figure 3-Figure 4As shown, the driving part includes a first motor 208 installed on the outside of the pipeline heating structure 1. The output shaft of the first motor 208 penetrates into the pipeline heating structure 1 and is fixedly connected with a driving wheel 207. The driving wheel 207 and the driven wheel 206 are frictionally connected. The surfaces of the driving wheel 207 and the driven wheel 206 are rough. When the driving wheel 207 contacts the driven wheel 206, the first motor 208 drives the driven wheel 206 to rotate through the driving wheel 207, and the driven wheel 206 can drive the blade 205 to rotate to stir the liquid in the pipeline heating structure 1.

[0038] Further, such as Figure 1-Figure 2 As shown, the pipeline heating structure 1 includes two connecting pipes 101 connected together by bolts. The two connecting pipes 101 can be separated after the bolts are unscrewed, which is convenient for inspection and cleaning. The two connecting pipes 101 are fixedly connected to the sides away from each other with a conveying pipe 102. The two connecting pipes 101 can be separated after the bolts are unscrewed, so as to facilitate cleaning of the connecting pipes 101 and the conveying pipes 102.

[0039] Further, such as Figure 3-Figure 4 As shown, the first motor 208 is installed on one of the conveying pipes 102, and the output shaft of the first motor 208 passes through one of the conveying pipes 102. A sealed bearing is provided between the output shaft of the first motor 208 and the connecting pipe 101, and the first motor 208 can drive the driving wheel 207 to rotate.

[0040] Further, such as Figure 1-Figure 2 As shown, sealing disks 107 are installed on the sides of the two delivery pipes 102 away from each other, one of the sealing disks 107 is fixedly connected to a second connecting pipe 105, and the top of one of the connecting pipes 101 is connected to a first connecting pipe 104, and the first connecting pipe 104 and the second connecting pipe 105 can be used for liquid intake and discharge, respectively.

[0041] Further, such as Figure 3 As shown, a heating pipe 106 is installed on another sealing disk 107 , and the heating pipe 106 extends between the two delivery pipes 102 , so that the liquid between the two delivery pipes 102 can be heated by the heating pipe 106 .

[0042] Further, such as Figure 1 , Figure 3 and Figure 4As shown, a second motor 209 is installed on one of the sealing disks 107, and the output shaft of the second motor 209 passes through the sealing disk 107 and is fixedly connected to a threaded rod 201, and a bearing is also arranged between the output shaft of the second motor 209 and the sealing disk 107, and the outer surface of the threaded rod 201 is threadedly connected to two cleaning disks 203, and the two cleaning disks 203 are respectively installed on both sides of the driven wheel 206 through bearings, and the outer surface of the cleaning disk 203 is provided with cleaning bristles 204, and the cleaning disk 203 can support the driven wheel 206 through the threaded rod 201, and the second motor 209 can drive the cleaning disk 203 to move when driving the threaded rod 201 to rotate, and during the movement of the cleaning disk 203, it drives the cleaning bristles 204 to clean the inner wall of the conveying pipe 102.

[0043] Further, such as Figure 3-Figure 4 As shown, a support rod 202 is fixedly mounted on one of the sealing disks 107, and the outer surface of the support rod 202 passes through two cleaning disks 203. The support rod 202 and the threaded rod 201 are both located between a number of blades 205. The cleaning disk 203 can be supported by the support rod 202 to prevent the cleaning disk 203 from rotating.

[0044] The use process of the pipeline heating device provided by the utility model is as follows:

[0045] After the liquid enters the delivery pipe 102 and the connecting pipe 101, it is heated by the heating pipe 106. As the liquid level between the delivery pipe 102 and the connecting pipe 101 decreases, the first motor 208 is started, and the first motor 208 drives the driving wheel 207 to rotate. The driving wheel 207 drives the driven wheel 206 and the blade 205 to rotate to stir the liquid in the delivery pipe 102, so that the liquid rolls and increases the peak height of the liquid surface, thereby ensuring the contact between the liquid surface and the heating pipe 106 and improving the heating uniformity. , to reduce the situation of dry burning, when it is necessary to clean the inner wall of the conveying pipe 102, start the second motor 209, and the second motor 209 drives the threaded rod 201 to rotate so that the cleaning disc 203 moves inside the conveying pipe 102. During the movement, the driven wheel 206 is separated from the driving wheel 207, and the inner wall of the conveying pipe 102 is cleaned by the cleaning bristles 204. After the cleaning is completed, the threaded rod 201 drives the cleaning disc 203 to move toward the driving wheel 207 so that the driven wheel 206 is frictionally connected with the driving wheel 207 again.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A pipeline heating device, characterized in that: The invention comprises a pipeline heating structure (1), wherein a stirring and cleaning mechanism (2) is arranged in the pipeline heating structure (1), wherein the stirring and cleaning mechanism (2) comprises a driving part arranged on the pipeline heating structure (1), wherein the driving part is connected to a driven wheel (206), wherein a plurality of blades (205) are fixedly connected to the inner wall of the driven wheel (206), and the driven wheel (206) and the blades (205) rotate under the drive of the driving part to achieve stirring of the liquid in the pipeline heating structure (1).

2. A pipeline heating device according to claim 1, characterized in that: The driving unit comprises a first motor (208) mounted on the outside of the pipeline heating structure (1); an output shaft of the first motor (208) penetrates into the pipeline heating structure (1) and is fixedly connected to a driving wheel (207); the driving wheel (207) is frictionally connected to a driven wheel (206).

3. A pipeline heating device according to claim 2, characterized in that: The pipeline heating structure (1) comprises two connecting pipes (101) connected together by bolts, and the two connecting pipes (101) are fixedly connected to a delivery pipe (102) on one side away from each other.

4. A pipeline heating device according to claim 3, characterized in that: The first motor (208) is mounted on one of the delivery pipes (102), and an output shaft of the first motor (208) passes through one of the delivery pipes (102), and a sealed bearing is provided between the output shaft of the first motor (208) and the connecting pipe (101).

5. A pipeline heating device according to claim 4, characterized in that: A sealing disk (107) is installed on the side of the two conveying pipes (102) that is away from each other, wherein one of the sealing disks (107) is fixedly connected to a second connecting pipe (105), and the top of one of the connecting pipes (101) is connected to the first connecting pipe (104).

6. A pipeline heating device according to claim 5, characterized in that: A heating pipe (106) is installed on the other sealing disc (107), and the heating pipe (106) extends between the two conveying pipes (102).

7. A pipeline heating device according to claim 6, characterized in that: A second motor (209) is mounted on one of the sealing disks (107); an output shaft of the second motor (209) passes through the sealing disk (107) and is fixedly connected to a threaded rod (201); the outer surface of the threaded rod (201) is threadedly connected to two cleaning disks (203); the two cleaning disks (203) are respectively mounted on two sides of a driven wheel (206) via bearings; and cleaning bristles (204) are provided on the outer surfaces of the cleaning disks (203).

8. The pipeline heating device according to claim 7, characterized in that: A support rod (202) is fixedly mounted on one of the sealing discs (107); the outer surface of the support rod (202) passes through two cleaning discs (203); and the support rod (202) and the threaded rod (201) are both located between a plurality of blades (205).