Intelligent heating system for testing pipeline thermal insulation material

By installing heaters and temperature sensors inside the pipeline, an intelligent heating system solves the problem of difficulty in evaluating the performance of insulation materials caused by temperature changes inside the pipeline, and achieves accurate insulation performance testing.

CN223538807UActive Publication Date: 2025-11-11SHENZHEN SUPERB HEATER TECH CO LTD
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Patent Information

Application Number
CN202423272985.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-11
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Differences in flow rate, velocity, and pressure in different pipes lead to large temperature variations inside the pipes, making it difficult for existing technologies to accurately measure and evaluate the temperature performance of insulation materials.

Method used

Design an intelligent heating system, including a pipe body, a heater, a temperature sensor and a wall-mounted box. Use a temperature control system to control the working status of the heater, simulate temperature changes under different working conditions, and use the temperature sensor to detect and display temperature data.

Benefits of technology

It provides a stable testing platform that can accurately test the performance of insulation materials under different pipeline conditions, improving the accuracy and practicality of the testing.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an intelligent heating system for testing a pipeline thermal insulation material. The intelligent heating system comprises a pipeline body, a heater, a temperature sensor and a wall-mounted box, the heater is arranged in the pipeline body, the temperature sensor is arranged on the pipeline body, and the heater and the temperature sensor are respectively connected with the wall-mounted box; a temperature control system and a power control system are arranged in the wall-mounted box, the temperature control system is used for controlling the working state of the heater, and the power control system supplies power to the heater. The heater is arranged in the pipeline body, and the temperature control system is used for controlling the working state of the heater so as to simulate and test temperature changes corresponding to different pipeline media and different flow rates and flow velocities, so that the thermal insulation performance of various pipeline thermal insulation materials under different temperatures and pressures in the pipeline can be conveniently tested; and a reliable and stable detection platform is provided for the pipeline thermal insulation material, and high practicability and popularization value are achieved.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline insulation technology, and more specifically, to an intelligent heating system for testing pipeline insulation materials. Background Technology

[0002] In industries such as power plants, mines, natural gas, and petrochemicals, there are numerous energy transmission pipelines. Some of these pipelines, due to their materials and heat dissipation characteristics, are prone to significant heat loss. To reduce this energy loss and improve energy efficiency, many new insulation materials have been applied to pipeline insulation. However, because different pipelines exhibit significant differences in flow rate, velocity, and pressure, these factors lead to substantial temperature variations within the pipes. This makes it difficult to accurately measure and evaluate the insulation performance of different materials at varying pipe temperatures, thus hindering the provision of accurate references for users. Utility Model Content

[0003] This utility model provides an intelligent heating system for testing pipe insulation materials to solve the problems mentioned in the background art. To achieve the above objective, this utility model provides the following technical solution: an intelligent heating system for testing pipe insulation materials, comprising a pipe body, a heater, a temperature sensor, and a wall-mounted box; the heater is disposed inside the pipe body, the temperature sensor is disposed on the pipe body, and the heater and the temperature sensor are respectively connected to the wall-mounted box; the wall-mounted box is equipped with a temperature control system and a power control system, the temperature control system is used to control the working state of the heater, and the power control system supplies power to the heater.

[0004] Preferably, the heater includes a bright tube, several fixing plates, and several heating tubes; the fixing plates are disposed on the outer surface of the bright tube, and the heating tubes are mounted on the bright tube through the fixing plates.

[0005] Preferably, there are four fixing plates, which are equally spaced; each fixing plate has a mounting groove that mates with the heating element, and the heating element is welded to the mounting groove via a sleeve.

[0006] Preferably, the interval between adjacent fixing plates is 350-450mm; the heating tube is a strip structure, and the number of strips is 16-18; the number of mounting slots on the fixing plates is the same as the number of heating tubes, and they are arranged in a matching manner.

[0007] Preferably, the heating element is a spiral heating element, which is arranged in a spiral structure around the outer wall of the bright tube and is fixedly connected to the bright tube by the fixing plate.

[0008] Preferably, the heating element, the light tube, and the pipe body are all made of SUS304; one end of the pipe body is a closed structure, and a handle is provided on the outside of the closed structure.

[0009] Preferably, the temperature sensor includes a detection electrode, a connector, a connecting tube, a spring, a wire, a heat shrink tubing, and a crimp terminal; the connector is connected to the pipe body, the detection electrode is inserted into the pipe body and used to detect the internal temperature; one end of the connecting tube is connected to the connector, and the other end is connected to the spring; one end of the wire is connected to the detection electrode and passes through the connector, the connecting tube, and the spring, and the other end is connected to the crimp terminal; the heat shrink tubing is fitted onto the outer surface of the wire to protect it.

[0010] Preferably, the number of temperature sensors is three, namely a front temperature sensor, a middle temperature sensor, and a rear temperature sensor; the front of the wall-mounted box is provided with a front temperature control display screen, a middle temperature control display screen, and a rear temperature control display screen. The front temperature control display screen is used to display the temperature data collected by the front temperature sensor, the middle temperature control display screen is used to display the temperature data collected by the middle temperature sensor, and the rear temperature control display screen is used to display the temperature data collected by the rear temperature sensor.

[0011] Preferably, the temperature control system includes a temperature control component, and a high temperature alarm module, a liquid level detection module, and a 485 signal transmission module connected to the temperature control component; a liquid level gauge is provided inside the pipeline, and the liquid level gauge is electrically connected to the liquid level detection module.

[0012] Preferably, it also includes a test frame that mates with the pipe body; the test frame includes a base, a support arm on each side of the base, and a clamp on the top of the support arm; the clamp includes two pipe fittings with semi-circular cross sections, which are interlocked to fix the pipe body.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the utility model has a reasonable design and simple structure. By setting a heater inside the pipe and using a temperature control system to control the working state of the heater, it can simulate and test the temperature changes corresponding to different pipe media and different flow rates and velocities. In this way, it can conveniently test the insulation performance of various pipe insulation materials under different pipe temperatures and pressures, providing a more reliable and stable testing platform for pipe insulation materials. It has high practicality and promotion value. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an intelligent heating system for testing pipeline insulation materials according to an embodiment of the present invention;

[0015] Figure 2 This is a side view of the pipe body and heater of an intelligent heating system for testing pipe insulation materials according to an embodiment of the present invention.

[0016] Figure 3 This is another side view of the pipe body and heater of the intelligent heating system for testing pipe insulation materials according to an embodiment of the present invention.

[0017] Figure 4 The structure of the heater in the intelligent heating system for testing pipeline insulation materials according to an embodiment of this utility model;

[0018] Figure 5 This is a side view of the heater of the intelligent heating system for testing pipeline insulation materials according to an embodiment of the present invention.

[0019] Figure 6 This is a structural diagram of the temperature sensor of the intelligent heating system for testing pipeline insulation materials according to an embodiment of the present invention;

[0020] Figure 7 This is a schematic diagram showing the installation of the temperature sensor and level gauge of the intelligent heating system for testing pipeline insulation materials according to an embodiment of this utility model.

[0021] Figure 8 This is a structural diagram of the test rack of the intelligent heating system for testing pipeline insulation materials according to an embodiment of the present invention;

[0022] exist Figures 1 to 8 In the diagram, the correspondence between the component names and the drawing numbers is as follows:

[0023] 1--Pipe body, 11--Handle, 2--Heater, 21--Bright tube, 22--Fixing plate, 23--Heating element, 3--Temperature sensor, 31--Detection electrode, 32--Connecting seat, 33--Connecting pipe, 34--Spring, 35--Wire, 36--Heat shrink tubing, 37--Crimp terminal, 4--Wall-mounted box, 5--Level gauge, 6--Test frame, 61--Base, 62--Support arm, 63--Clamp. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this disclosure. The following examples are used to illustrate this utility model, but should not be used to limit the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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 of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please refer to Figures 1 to 8 This utility model provides an intelligent heating system for testing pipeline insulation materials, including a pipeline body 1, a heater 2, a temperature sensor 3, and a wall-mounted box 4; the heater 2 is located inside the pipeline body 1, the temperature sensor 3 is located on the pipeline body 1, and the heater 2 and the temperature sensor 3 are respectively connected to the wall-mounted box 4; the wall-mounted box 4 is equipped with a temperature control system and a power control system, the temperature control system is used to control the working state of the heater 2, and the power control system supplies power to the heater 2.

[0028] The intelligent heating system in this embodiment can effectively simulate the pipe temperature under different operating conditions, such as the working state of pipelines in thermal systems like power plants, thermal power plants, shipyards, chemical plants, cold storage facilities, oil and gas plants, and mines, providing an excellent testing environment for insulation materials.

[0029] Specifically, in this embodiment, a pipe body 1 is provided, and a heater 2 is installed inside the pipe body 1. Then, the temperature inside the pipe body 1 is detected by a temperature sensor 3. In this way, the temperature control system can detect the internal temperature so as to accurately control the working state of the heater 2 and adjust the heating power of the heater 2 according to the simulated working conditions.

[0030] Preferably, the heater 2 includes a bright tube 21, several fixing plates 22, and several heating tubes 23; the fixing plates 22 are disposed on the outer surface of the bright tube 21, and the heating tubes 23 are mounted on the bright tube 21 through the fixing plates 22. In this embodiment, the bright tube 21 is disposed inside the pipe body 1, and the heating tubes 23 are disposed on the outer surface of the bright tube 21. Through the structure of the heating tubes 23 surrounding the bright tube 21, the bright tube 21 can be heated very evenly when the heating tubes 23 pass through. Liquid media in the actual working environment can be injected into the bright tube 21, which also improves the realism and accuracy of the simulation.

[0031] Preferably, there are four fixing plates 22, which are evenly spaced. Each fixing plate 22 has a mounting groove that mates with the heating element 23. The heating element 23 is connected to the mounting groove via a sleeve and welded together. In this embodiment, the heating element 23 is connected to the bright tube 21 via the fixing plates 22. To ensure connection stability, four fixing plates 22 are provided, and each fixing plate 22 has a mounting groove whose shape matches the heating element 23. The heating element 23 is welded into the mounting groove via a sleeve to achieve a stable connection.

[0032] Preferably, the interval between adjacent fixing plates 22 is 350-450mm; the heating tube 23 is a strip structure, and the number of strips is 16-18; the number of mounting slots on the fixing plate 22 is the same as the number of heating tubes 23, and they are arranged in a matching manner.

[0033] Preferably, the heating element is a spiral heating element, which is spirally arranged around the outer wall of the bright tube 21 and fixedly connected to the bright tube 21 by the fixing piece 22. In this embodiment, the heating element can also adopt a spiral structure, which wraps around the bright tube 21 to make the heating of the bright tube 21 more uniform and improve the heating efficiency.

[0034] Preferably, the heating element 23, the bright tube 21, and the pipe body 1 are all made of SUS304 stainless steel; one end of the pipe body 1 is a closed structure, and a handle 11 is provided on the outside of the closed structure. In this embodiment, one end of the pipe body 1 is a closed structure, and the other end is an openable flange structure to allow for the injection of various liquid media. A handle 11 is provided on the outside of the closed structure to allow for lifting or moving of the pipe body 1.

[0035] Preferably, the temperature sensor 3 includes a detection electrode 31, a connecting seat 32, a connecting tube 33, a spring 34, a wire 35, a heat shrink tubing 36, and a crimp terminal 37. The connecting seat 32 is connected to the pipe body 1, and the detection electrode 31 is inserted into the pipe body 1 to detect the internal temperature. One end of the connecting tube 33 is connected to the connecting seat 32, and the other end is connected to the spring 34. One end of the wire 35 is connected to the detection electrode 31 and passes through the connecting seat 32, the connecting tube 33, and the spring 34, while the other end is connected to the crimp terminal 37. The heat shrink tubing 36 is sleeved on the outer surface of the wire 35 to protect it. In this embodiment, the temperature sensor 3 uses a thermocouple device, and the detection electrode 31 is inserted into the pipe body 1 and then fixedly installed via the connecting seat 32. A connecting tube 33 is provided outside the connector 32, and a spring 34 is provided at the other end of the connecting tube 33. The spring 34 can effectively prevent the wire 35 from getting caught on the pipe body 1 and causing damage to the wire 35, and can also effectively prevent the wire 35 from bending and breaking. The crimp terminal 37 is connected to the temperature control system to detect the temperature inside the pipe body 1.

[0036] Preferably, there are three temperature sensors 3: a front temperature sensor 3, a middle temperature sensor 3, and a rear temperature sensor 3. The front of the wall-mounted box 4 is equipped with a front temperature control display screen, a middle temperature control display screen, and a rear temperature control display screen. The front temperature control display screen displays the temperature data collected by the front temperature sensor 3, the middle temperature control display screen displays the temperature data collected by the middle temperature sensor 3, and the rear temperature control display screen displays the temperature data collected by the rear temperature sensor 3. In this embodiment, by setting three temperature sensors 3, located at the front, middle, and rear sections of the pipe body 1 respectively, the temperature information at various locations on the pipe body 1 can be accurately detected. Simultaneously, the temperature information can be visually viewed through the display screens on the wall-mounted box 4, providing more information for the evaluation of insulation materials.

[0037] Preferably, the temperature control system includes a temperature control component, and a high temperature alarm module, a liquid level detection module, and a 485 signal transmission module connected to the temperature control component; a liquid level gauge 5 is provided inside the pipe body 1, and the liquid level gauge 5 is electrically connected to the liquid level detection module.

[0038] Preferably, the device further includes a test frame 6 that mates with the pipe body 1. The test frame 6 includes a base 61, with a support arm 62 on each side of the base 61, and a clamp 63 at the top of each support arm 62. The clamp 63 includes two pipe fittings with semi-circular cross-sections, which are interlocked to fix the pipe body 1. In this embodiment, the test frame 6 can easily support the pipe body 1 for better installation and covering of insulation material. The insulation material can be quickly installed and removed, improving testing efficiency. In use, the clamp 63 is opened, the pipe body 1 is placed on the pipe fittings of the clamp 63, and then the two pipe fittings are closed and locked to achieve fixed installation of the pipe body 1.

[0039] Compared with the prior art, the beneficial effects of this utility model are: the utility model has a reasonable design and simple structure. By setting a heater inside the pipe and using a temperature control system to control the working state of the heater, it can simulate and test the temperature changes corresponding to different pipe media and different flow rates and velocities. In this way, it can conveniently test the insulation performance of various pipe insulation materials under different pipe temperatures and pressures, providing a more reliable and stable testing platform for pipe insulation materials. It has high practicality and promotion value.

[0040] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An intelligent heating system for testing pipe insulation materials, characterized in that, It includes a pipe body (1), a heater (2), a temperature sensor (3), and a wall-mounted box (4); the heater is located inside the pipe body, the temperature sensor is located on the pipe body, and the heater and the temperature sensor are respectively connected to the wall-mounted box; the wall-mounted box is equipped with a temperature control system and a power control system, the temperature control system is used to control the working state of the heater, and the power control system supplies power to the heater.

2. The intelligent heating system for testing pipeline insulation materials according to claim 1, characterized in that, The heater includes a bright tube (21), several fixing plates (22) and several heating tubes (23); the fixing plates are disposed on the outer surface of the bright tube, and the heating tubes are mounted on the bright tube through the fixing plates.

3. The intelligent heating system for testing pipeline insulation materials according to claim 2, characterized in that, The number of fixing plates is four, and the four fixing plates are equally spaced; each fixing plate is provided with a mounting groove that cooperates with the heating tube, and the heating tube and the mounting groove are connected by welding through a sleeve.

4. The intelligent heating system for testing pipeline insulation materials according to claim 3, characterized in that, The spacing between adjacent fixing plates is 350-450mm; the heating tubes are strip-shaped structures, and there are 16-18 of them; the number of mounting slots on the fixing plates is the same as the number of heating tubes, and they are arranged in a matching manner.

5. The intelligent heating system for testing pipeline insulation materials according to claim 2, characterized in that, The heating element is a spiral heating element, which is arranged in a spiral structure around the outer wall of the bright tube and is fixedly connected to the bright tube by the fixing plate.

6. The intelligent heating system for testing pipeline insulation materials according to claim 2, characterized in that, The heating element, the bright tube, and the pipe body are all made of SUS304; one end of the pipe body is a closed structure, and a handle (11) is provided on the outside of the closed structure.

7. The intelligent heating system for testing pipeline insulation materials according to claim 1, characterized in that, The temperature sensor includes a detection electrode (31), a connector (32), a connecting tube (33), a spring (34), a wire (35), a heat shrink tubing (36), and a crimp terminal (37). The connector is connected to the pipe body, and the detection electrode is inserted into the pipe body to detect the internal temperature. One end of the connecting tube is connected to the connector, and the other end is connected to the spring. One end of the wire is connected to the detection electrode and passes through the connector, the connecting tube, and the spring, and the other end is connected to the crimp terminal. The heat shrink tubing is fitted onto the outer surface of the wire to protect it.

8. The intelligent heating system for testing pipeline insulation materials according to claim 7, characterized in that, The number of temperature sensors is three, namely a front temperature sensor, a middle temperature sensor, and a rear temperature sensor; the front of the wall-mounted box is equipped with a front temperature control display screen, a middle temperature control display screen, and a rear temperature control display screen. The front temperature control display screen is used to display the temperature data collected by the front temperature sensor, the middle temperature control display screen is used to display the temperature data collected by the middle temperature sensor, and the rear temperature control display screen is used to display the temperature data collected by the rear temperature sensor.

9. The intelligent heating system for testing pipeline insulation materials according to claim 1, characterized in that, The temperature control system includes a temperature control component, and a high temperature alarm module, a liquid level detection module, and a 485 signal transmission module connected to the temperature control component; a liquid level gauge (5) is provided inside the pipeline, and the liquid level gauge is electrically connected to the liquid level detection module.

10. The intelligent heating system for testing pipeline insulation materials according to any one of claims 1 to 9, characterized in that, It also includes a test frame (6) that mates with the pipe body; the test frame includes a base (61), a support arm (62) on each side of the base, and a clamp (63) on the top of the support arm; the clamp includes two pipe fittings with a semi-circular cross section, which are interlocked to fix the pipe body.