Liquid lead conveying pipe

Abstract

The utility model relates to the technical field of pipelines, and provides a liquid lead conveying pipe which comprises a pipeline body, a protective shell and an electromagnetic induction coil, the pipeline body is arranged in the protective shell, the two ends of the pipeline body penetrate out of the protective shell, a heat preservation layer is arranged outside the pipeline body, and the electromagnetic induction coil is arranged in the protective shell. And the electromagnetic induction coil is wound on the thermal insulation layer. The pipeline body is heated in an electromagnetic heating mode, accurate control over the heating temperature can be achieved, the liquidity and temperature stability of lead liquid are guaranteed through online heating of the pipeline body, the production efficiency is improved, heat loss can be reduced through the arrangement of the heat preservation layer, and the heating efficiency is improved; and the electromagnetic induction coil and the pipeline body can be protected through the arrangement of the protective shell, and therefore the service life of the electromagnetic induction coil and the service life of the pipeline body can be prolonged.

Description

Technical Field

[0001] This application relates to the field of pipeline technology, and more specifically, to a liquid lead conveying pipe. Background Technology

[0002] In the lead smelting process, lead ore undergoes beneficiation, crushing, magnetic separation, flotation and other treatments to obtain refined lead ore. The lead ore is then mixed with an appropriate amount of auxiliary materials and sent to a smelting furnace for melting. After melting, molten lead is obtained. The qualified molten lead needs to be transported to a casting furnace. During the transportation of molten lead, it is necessary to ensure the fluidity and temperature stability of the molten lead to avoid solidification or excessively low temperature affecting the casting quality. Utility Model Content

[0003] The purpose of this application is to provide a liquid lead conveying pipe that enables online heating of the liquid lead conveying pipe, ensuring the fluidity and temperature stability of the liquid lead, and improving production efficiency.

[0004] This application provides a liquid lead delivery pipe, which adopts the following technical solution:

[0005] A liquid lead conveying pipe includes a pipe body, a protective shell, and an electromagnetic induction coil. The pipe body is disposed inside the protective shell, and both ends of the pipe body extend out of the protective shell. An insulation layer is disposed on the outside of the pipe body, and the electromagnetic induction coil is wound on the insulation layer.

[0006] Preferably, a temperature sensor is provided on the protective housing.

[0007] Preferably, the protective housing includes a first housing, a second housing, and multiple sets of bolt and nut assemblies, wherein the first housing and the second housing are connected and fixed by the bolt and nut assemblies.

[0008] Preferably, two first ear plates are provided at both ends of the first housing, and the first ear plates are provided with first threaded holes; two second ear plates are provided at both ends of the second housing, and the second ear plates are provided with second threaded holes.

[0009] Preferably, the first housing is provided with a groove, and the second housing is provided with a protrusion.

[0010] Preferably, the insulation layer is made of insulation cotton or glass fiber.

[0011] Preferably, two temperature sensors are provided, and the two temperature sensors are located on both sides of the protective housing.

[0012] Preferably, two heat insulation rings are provided between the insulation layer and the protective shell, and the electromagnetic induction coil is located between the two heat insulation rings.

[0013] Preferably, the heat insulation ring includes a first heat insulation block and a second heat insulation block, wherein the first heat insulation block is located between the heat insulation layer and the first shell, and the second heat insulation block is located between the heat insulation layer and the second shell.

[0014] Compared with the prior art, the beneficial effects of this application are as follows:

[0015] This application uses electromagnetic heating to heat the pipe body, which enables precise control of the heating temperature. By heating the pipe body online, the fluidity and temperature stability of the lead liquid are ensured, improving production efficiency. The insulation layer reduces heat loss and improves heating efficiency. The protective shell protects the electromagnetic induction coil and the pipe body, extending their service life. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is an exploded view of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the first and second shells in this utility model;

[0020] Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle.

[0021] The reference numerals in the attached figures are as follows:

[0022] 1. Pipe body; 2. Protective shell; 3. Electromagnetic induction coil; 4. Insulation layer; 5. Temperature sensor; 6. First shell; 7. Second shell; 8. Bolt and nut assembly; 9. First ear plate; 10. First threaded hole; 11. Second ear plate; 12. Second threaded hole; 13. Groove; 14. Protrusion; 15. Heat insulation ring; 16. First heat insulation block; 17. Second heat insulation block. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0029] Example

[0030] like Figure 1-4 As shown in the embodiment of this application, the liquid lead conveying pipe includes a pipe body 1, a protective shell 2, and an electromagnetic induction coil 3. The pipe body 1 is disposed inside the protective shell 2, and both ends of the pipe body 1 extend out of the protective shell 2. An insulation layer 4 is disposed on the outside of the pipe body 1, and the electromagnetic induction coil 3 is wound on the insulation layer 4.

[0031] In use, liquid lead is transported through the pipe body 1. After the electromagnetic induction coil 3 is energized, the pipe body 1 is heated. The electromagnetic induction heating method can achieve precise control of the heating temperature. By heating the pipe body 1 online, the fluidity and temperature stability of the liquid lead are ensured, and the production efficiency is improved. The insulation layer 4 can reduce heat loss and improve heating efficiency. The protective shell 2 can protect the electromagnetic induction coil 3 and the pipe body 1, and extend the service life of the electromagnetic induction coil 3 and the pipe body 1.

[0032] In this embodiment, a temperature sensor 5 is provided on the protective housing 2. During use, the temperature sensor 5 detects the temperature of the outer wall of the pipe body 1 in real time. The start and stop of the electromagnetic heating host are controlled according to the reading of the temperature sensor 5, thereby realizing online automatic electromagnetic heating of the pipe body 1 and reducing the labor intensity of personnel.

[0033] In this embodiment, the protective housing 2 includes a first housing 6, a second housing 7, and multiple sets of bolt and nut assemblies 8. The first housing 6 and the second housing 7 are connected and fixed by the bolt and nut assemblies 8. Since the protective housing 2 adopts a split housing structure, it is easy to disassemble and assemble the first housing 6 and the second housing 7, so that the exterior of the pipeline body 1 can be inspected and maintained regularly.

[0034] In this embodiment, two first ear plates 9 are respectively provided at both ends of the first housing 6, and a first threaded hole 10 is provided on the first ear plate 9. Two second ear plates 11 are respectively provided at both ends of the second housing 7, and a second threaded hole 12 is provided on the second ear plate 11.

[0035] In this embodiment, the first housing 6 is provided with a groove 13 and the second housing 7 is provided with a protrusion 14. The groove 13 and the protrusion 14 facilitate the alignment between the first housing 6 and the second housing 7, and at the same time improve the stability of the connection between the first housing 6 and the second housing 7.

[0036] In this embodiment, the insulation layer 4 is made of insulation cotton or glass fiber.

[0037] In this embodiment, two temperature sensors 5 are provided, located on both sides of the protective housing 2. The two temperature sensors 5 detect the temperature of the outer walls at both ends of the pipe body 1, which facilitates timely maintenance when the temperature is abnormal.

[0038] In this embodiment, two heat insulation rings 15 are provided between the insulation layer 4 and the protective shell 2. The electromagnetic induction coil 3 is located between the two heat insulation rings 15. The heat insulation rings 15 are used to reduce the mutual influence between the heat emitted by the pipe body 1 and the heat generated by the operation of the electromagnetic induction coil 3, thereby improving the accuracy of the temperature sensor 5 in measuring the temperature of the outer wall of the pipe body 1.

[0039] In this embodiment, the heat insulation ring 15 includes a first heat insulation block 16 and a second heat insulation block 17. The first heat insulation block 16 is located between the insulation layer 4 and the first shell 6, and the second heat insulation block 17 is located between the insulation layer 4 and the second shell 7. The heat insulation ring 15 is assembled by splicing, which makes it easy to disassemble and assemble the heat insulation ring 15.

[0040] In this embodiment, gaps are provided between the electromagnetic induction coil 3 and the first housing 6, and between the electromagnetic induction coil 3 and the second housing 7. Several heat dissipation grooves (not shown in the figure) are provided on both the first housing 6 and the second housing 7. In use, the heat dissipation grooves are used for air circulation to facilitate the dissipation of heat generated by the electromagnetic induction coil 3. A dustproof net (not shown in the figure) is provided on the heat dissipation groove. The dustproof net is used to prevent dust from entering the interior of the pipe body 1 and adhering to the electromagnetic induction coil 3. In order to improve the installation, a temperature sensor can be added to the second housing 7 to detect the temperature of the working area of ​​the electromagnetic induction coil 3.

[0041] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A liquid lead conveying pipe, characterized in that: The device includes a pipe body, a protective shell, and an electromagnetic induction coil. The pipe body is located inside the protective shell, with both ends of the pipe body extending out of the protective shell. An insulation layer is provided on the outside of the pipe body, and the electromagnetic induction coil is wound around the insulation layer.

2. The liquid lead conveying pipe according to claim 1, characterized in that: A temperature sensor is installed on the protective housing.

3. A liquid lead conveying pipe according to claim 2, characterized in that: The protective housing includes a first housing, a second housing, and multiple sets of bolt and nut assemblies, with the first housing and the second housing connected and fixed by the bolt and nut assemblies.

4. A liquid lead conveying pipe according to claim 3, characterized in that: The first housing has two first ear plates at each end, and the first ear plates have first threaded holes. The second housing has two second ear plates at each end, and the second ear plates have second threaded holes.

5. A liquid lead conveying pipe according to claim 4, characterized in that: The first housing has a groove, and the second housing has a protrusion.

6. A liquid lead conveying pipe according to claim 1, characterized in that: The insulation layer is made of insulation cotton or glass fiber.

7. A liquid lead conveying pipe according to claim 3, characterized in that: Two temperature sensors are provided, located on both sides of the protective housing.

8. A liquid lead conveying pipe according to claim 7, characterized in that: Two heat insulation rings are provided between the insulation layer and the protective shell, and the electromagnetic induction coil is located between the two heat insulation rings.

9. A liquid lead conveying pipe according to claim 8, characterized in that: The heat insulation ring includes a first heat insulation block and a second heat insulation block, wherein the first heat insulation block is located between the heat insulation layer and the first shell, and the second heat insulation block is located between the heat insulation layer and the second shell.

Images