Steam superheat value testing device
Through the steam overheating value test device, thin aluminum tubes and magnetic inductive components are used to detect the steam temperature, which solves the problem of failure of traditional detection methods in the superheated steam state, real-time and accurate monitoring of the steam overheating value is achieved, and system operation efficiency and energy utilization are improved.
Patent Information
- Application Number
- CN202422079295.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The prior art is difficult to detect the superheated value of steam quickly and accurately, resulting in waste of energy and inefficient system operation. Traditional methods fail in the superheated steam state and lack adaptive detection methods.
The steam superheating value test device is used to conduct heat from the steam conveying pipe to the thin aluminum tube. The heat of the thin aluminum tube transfers the expansion gas in the air pressure box. The air pressure increases, the piston is pushed up, and the support rod drives the strong magnetic column to move up and down. The magnetic field cuts the induction coil to generate an electrical signal to judge the temperature.
Real-time detection of the internal temperature of the steam conveyor pipe is achieved, continuous and reliable monitoring of overheating value, and improving the operating efficiency and energy utilization efficiency of the steam system.
Smart Images
Figure CN223229532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steam superheat value testing, in particular to a steam superheat value testing device. Background Art
[0002] Steam, a widely used thermal energy carrier in current industrial production and energy supply systems, has its quality directly linked to the safety, economy, and environmental performance of system operations. The superheat value of steam, a key indicator of its energy content and utilization efficiency, is crucial for optimizing steam system operating parameters, reducing energy consumption, and improving overall efficiency. However, existing steam quality tester technology still faces a series of technical challenges and limitations in effectively measuring steam superheat value, which seriously hinders the development of efficient steam energy utilization.
[0003] Traditional steam quality tester designs mostly focus on measuring basic steam parameters such as humidity, pressure, and temperature, while neglecting the precise assessment of steam superheat. Superheated steam, defined as steam exceeding its saturation temperature, directly reflects the excess energy beyond saturation. This value plays a crucial role in regulating steam system efficiency, preventing water hammer, and optimizing heat distribution. However, the lack of targeted testing methods prevents the effective utilization of this valuable energy information, leading to energy waste and inefficient system operation.
[0004] The technical challenge lies in achieving rapid and accurate measurement of superheated steam. The characteristics of superheated steam make it prone to phase changes during transport and cooling. Furthermore, even small fluctuations in temperature and pressure can cause significant changes in the superheat value, placing extremely high demands on the sensor's response speed, accuracy, and stability. Most current testers on the market struggle to handle these dynamic changes, either experiencing significant measurement delays or data fluctuations beyond acceptable limits, making them unable to provide continuous and reliable superheat monitoring.
[0005] The unsaturated nature of superheated steam poses a fundamental challenge to traditional wet steam testing methods. Commonly used techniques like the wet-dry-bulb method and capacitance hygrometers lose their applicability in superheated conditions because superheated steam lacks liquid droplets or is saturated with water vapor, breaking conventional humidity measurement principles. This necessitates the development of novel detection principles or algorithms to accommodate the complexities of superheated steam, but research and technical expertise in this area are relatively scarce.
[0006] Therefore, how to provide a steam superheat value testing device is a problem that those skilled in the art urgently need to solve. Utility Model Content
[0007] One purpose of the present invention is to provide a steam superheat value testing device. The present invention has the function of detecting the temperature inside a steam delivery pipe in real time. The heat of the steam in the steam delivery pipe is transferred to a thin aluminum tube. The heat of the thin aluminum tube is transferred to the expanding gas in the air pressure box. As the temperature of the expanding gas rises, the volume of the expanding gas increases, the air pressure in the air pressure box increases, and the gas enters the magnetic cylinder, pushing up the piston. The rising of the piston drives the support rod, and the support rod drives the strong magnetic column to move up and down. The strong magnetic column that moves up and down cuts the induction coil through its own magnetic field. The induction coil generates an electrical signal, and the temperature is judged by the change of the electrical signal.
[0008] According to an embodiment of the present invention, a steam superheat value testing device includes a steam pipe, a thermal sensing component, a magnetic sensing component, a thermal insulation component and a boosting component, wherein the thermal sensing component is fixedly mounted on the steam pipe, the magnetic sensing component is fixedly mounted on the thermal sensing component, the thermal insulation component is fixedly mounted on the outer wall of the thermal sensing component, the thermal insulation component is fixedly mounted on the outer wall of the magnetic sensing component, and the boosting component is fixedly mounted on the thermal sensing component.
[0009] Furthermore, flanges are fixedly provided at both ends of the steam pipe, and connecting holes are provided on the outer surfaces of the flanges.
[0010] Furthermore, the thermal sensing component includes a thin aluminum tube and an air pressure box, both ends of the thin aluminum tube are fixedly installed in the middle of the steam pipe, the bottom of both sides of the air pressure box are fixedly installed in the middle of the steam pipe, and both sides of the thin aluminum tube are fixedly installed at the bottom of the inner wall of the air pressure box.
[0011] Furthermore, the magnetic induction component includes a magnetic induction cylinder, a piston, a first thermal insulation plate and a second thermal insulation plate, wherein the bottom of the magnetic induction cylinder is fixedly mounted on the outer wall of the air pressure box, the piston is slidably mounted in the magnetic induction cylinder, the top of the first thermal insulation plate is fixedly mounted on the bottom of the piston, the top of the second thermal insulation plate is fixedly mounted on the bottom of the first thermal insulation plate, and a limiting ring is fixedly provided on the inner top of the magnetic induction cylinder.
[0012] Furthermore, the magnetic induction component also includes a support rod, a strong magnetic column and a return spring, wherein the bottom of the support rod is fixedly installed on the top of the piston, the bottom of the strong magnetic column is fixedly installed on the top of the support rod, and the bottom of the return spring is fixedly installed on the top of the piston.
[0013] Furthermore, the magnetic induction component also includes a coil box, an induction coil and a conveying wire tube, wherein the coil box is fixedly installed on the inner top of the magnetic induction cylinder, the bottom of the coil box is fixedly installed on the top of the reset spring, the induction coil is fixedly installed in the coil box, the bottom of the conveying wire tube is fixedly installed on the top of the coil box, and the top of the conveying wire tube passes through the top of the magnetic induction cylinder.
[0014] Furthermore, the thermal insulation component includes a first thermal insulation layer and a second thermal insulation layer. The first thermal insulation layer is fixedly installed on the outer wall of the air pressure box, and the second thermal insulation layer is fixedly installed on the outer wall of the magnetic induction cylinder.
[0015] Furthermore, the boost assembly includes a boost tube, a shrink ring, a spring seat, a sealing spring and a sealing plate, wherein the bottom of the boost tube is fixedly mounted on the air pressure box, the shrink ring is fixedly mounted on the inner top of the boost tube, the spring seat is fixedly mounted on the inner bottom of the boost tube, the bottom of the sealing spring is fixedly mounted on the top of the spring seat, and the bottom of the sealing plate is fixedly mounted on the top of the sealing spring.
[0016] Furthermore, it also includes a fixing plate, which is fixedly installed on the inner wall of the steam pipe and the fixing plate is fixedly installed on the inner wall of the thin aluminum tube.
[0017] The beneficial effects of the utility model are:
[0018] The utility model has the function of detecting the temperature inside the steam delivery pipe in real time, and the heat of the steam in the steam delivery pipe is transferred to the thin aluminum tube, and the heat of the thin aluminum tube is transferred to the expanding gas in the air pressure box. The expanding gas is subjected to temperature rise, the volume of the expanding gas increases, the air pressure in the air pressure box increases, the gas enters the magnetic induction cylinder, and pushes up the piston. The rise of the piston drives the support rod, and the support rod drives the strong magnetic column to move up and down. The strong magnetic column that moves up and down cuts the induction coil through its own magnetic field, and the induction coil generates an electrical signal. The temperature is judged by the change of the electrical signal. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a schematic diagram of the overall structure of a steam superheat value testing device proposed by the present invention;
[0021] Figure 2 This is a cross-sectional view of a steam pipe of a steam superheat value testing device proposed in the present invention;
[0022] Figure 3 A steam superheat value testing device proposed by the utility model Figure 2 A magnified view of point A;
[0023] Figure 4 A steam superheat value testing device proposed by the utility model Figure 2 Enlarged view of point B.
[0024] In the figure: 1. Steam pipe; 1.1. Flange; 1.2. Connecting hole; 2. Thermal sensing component; 2.1. Thin aluminum tube; 2.2. Air pressure box; 3. Magnetic sensing component; 3.1. Magnetic cylinder; 3.1.1. Limiting ring; 3.2. Piston; 3.3. First thermal insulation board; 3.4. Second thermal insulation board; 3.5. Support rod; 3.6. Strong magnetic column; 3.7. Return spring; 3.8. Coil box; 3.9. Induction coil; 3.10. Conveyor line pipe; 4. Insulation component; 4.1. First insulation layer; 4.2. Second insulation layer; 5. Booster component; 5.1. Booster pipe; 5.2. Shrink ring; 5.3. Spring seat; 5.4. Sealing spring; 5.5. Sealing plate; 6. Fixing plate. DETAILED DESCRIPTION
[0025] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.
[0026] Please refer to Figures 1 to 4 The utility model provides a steam superheat value testing device, including a steam pipe 1, a thermal sensing component 2, a magnetic sensing component 3, a thermal insulation component 4 and a boosting component 5, wherein the thermal sensing component 2 is fixedly installed on the steam pipe 1, the thermal sensing component 2 is used to conduct heat, the magnetic sensing component 3 is fixedly installed on the thermal sensing component 2, the thermal insulation component 4 is fixedly installed on the outer wall of the thermal sensing component 2, the thermal insulation component 4 is fixedly installed on the outer wall of the magnetic sensing component 3, the thermal insulation component 4 is used for the thermal sensing component 2 and the magnetic sensing component 3, the boosting component 5 is fixedly installed on the thermal sensing component 2, and the boosting component 5 is used to supplement the expansion gas; flanges 1.1 are fixedly provided at both ends of the steam pipe 1, and a connecting hole 1.2 is opened on the outer surface of the flange 1.1, and the flange 1.1 is used to connect the steam delivery pipeline; it also includes a fixing plate 6, which is fixedly installed on the inner wall of the steam pipe 1 and fixedly installed on the inner wall of the thin aluminum tube 2.1.
[0027] Specifically, the thermal sensing component 2 includes a thin aluminum tube 2.1 and an air pressure box 2.2. Both ends of the thin aluminum tube 2.1 are fixedly installed in the middle of the steam pipe 1. The thin aluminum tube 2.1 facilitates heat conduction. The bottoms of both sides of the air pressure box 2.2 are fixedly installed in the middle of the steam pipe 1. The air pressure box 2.2 is filled with expansion gas, and both sides of the thin aluminum tube 2.1 are fixedly installed at the bottom of the inner wall of the air pressure box 2.2.
[0028] More specifically, the magnetic induction assembly 3 includes a magnetic induction cylinder 3.1, a piston 3.2, a first thermal insulation plate 3.3, and a second thermal insulation plate 3.4. The bottom of the magnetic induction cylinder 3.1 is fixedly mounted on the outer wall of the air pressure box 2.2, the piston 3.2 is slidably mounted within the magnetic induction cylinder 3.1, and the piston 3.2 seals the piston 3.2. The top of the first thermal insulation plate 3.3 is fixedly mounted on the bottom of the piston 3.2, and the top of the second thermal insulation plate 3.4 is fixedly mounted on the bottom of the first thermal insulation plate 3.3. The first thermal insulation plate 3.3 and the second thermal insulation plate 3.4 isolate heat conduction. A limit ring 3.1.1 is fixedly provided on the inner top of the magnetic induction cylinder 3.1.
[0029] The magnetic induction component 3 also includes a support rod 3.5, a strong magnetic column 3.6 and a return spring 3.7. Among them, the bottom of the support rod 3.5 is fixedly mounted on the top of the piston 3.2, the bottom of the strong magnetic column 3.6 is fixedly mounted on the top of the support rod 3.5, and the bottom of the return spring 3.7 is fixedly mounted on the top of the piston 3.2. The return spring 3.7 elastically presses against the piston 3.2 to facilitate the return of the piston 3.2.
[0030] The magnetic induction assembly 3 also includes a coil box 3.8, an induction coil 3.9 and a conveying line tube 3.10. Among them, the coil box 3.8 is fixedly mounted on the inner top of the magnetic induction cylinder 3.1, the bottom of the coil box 3.8 is fixedly mounted on the top of the return spring 3.7, the induction coil 3.9 is fixedly mounted in the coil box 3.8, and the induction coil 3.9 is sleeved on the strong magnetic column 3.6. The strong magnetic column 3.6 cuts the induction coil 3.9 through the magnetic field. The bottom of the conveying line tube 3.10 is fixedly mounted on the top of the coil box 3.8, and the top of the conveying line tube 3.10 passes through the top of the magnetic induction cylinder 3.1.
[0031] More specifically, the insulation assembly 4 includes a first insulation layer 4.1 and a second insulation layer 4.2. The first insulation layer 4.1 is fixedly mounted on the outer wall of the air pressure box 2.2, and the second insulation layer 4.2 is fixedly mounted on the outer wall of the magnetic cylinder 3.1. The first insulation layer 4.1 and the second insulation layer 4.2 insulate the air pressure box 2.2 and the magnetic cylinder 3.1.
[0032] The boost assembly 5 includes a boost tube 5.1, a shrink ring 5.2, a spring seat 5.3, a sealing spring 5.4, and a sealing plate 5.5. The bottom of the boost tube 5.1 is fixedly mounted on the air pressure box 2.2, the shrink ring 5.2 is fixedly mounted on the inner top of the boost tube 5.1, the spring seat 5.3 is fixedly mounted on the inner bottom of the boost tube 5.1, the bottom of the sealing spring 5.4 is fixedly mounted on the top of the spring seat 5.3, and the bottom of the sealing plate 5.5 is fixedly mounted on the top of the sealing spring 5.4 to adjust the pressure of the expanded gas inside the air pressure box 2.2.
[0033] Furthermore, the steam pipe 1 is docked on the steam delivery pipe, and the flange 1.1 of the steam pipe 1 is fixed together with the flange 1.1 of the steam delivery pipe by bolts.
[0034] The heat of the steam in the steam delivery pipe is transferred to the thin aluminum tube 2.1, causing the temperature of the thin aluminum tube 2.1 to rise. The heat of the thin aluminum tube 2.1 is then transferred to the expanding gas in the air pressure box 2.2. As the temperature of the expanding gas rises, its volume increases, and the air pressure inside the air pressure box 2.2 increases. As the air pressure in the air pressure box 2.2 increases, the gas enters the magnetic induction cylinder 3.1, pushing up the piston 3.2. The rising piston 3.2 drives the support rod 3.5, which in turn drives the strong magnetic column 3.6 to move upward. The upwardly displaced strong magnetic column 3.6 cuts through the induction coil 3.9 with its own magnetic field, which generates an electrical signal. The temperature is determined by the change in the electrical signal.
[0035] The strong magnetic column 3.6 moves downward, and the downwardly displaced strong magnetic column 3.6 cuts the induction coil 3.9 through its own magnetic field. The induction coil 3.9 generates an electrical signal, and the temperature is determined by the change of the electrical signal.
[0036] The magnetic field of the strong magnetic column 3.6 cuts the induction coil 3.9, and the electrical signal generated by the induction coil 3.9 is used to detect the temperature in the steam delivery pipe.
[0037] The inflation gas is fed into the air pressure box 2.2 through the pressurizing assembly 5 by an external device for delivering the inflation gas.
[0038] The device for externally delivering inflation gas presses the sealing plate 5.5 downwards, and the sealing plate 5.5 compresses the sealing spring 5.4. The device for externally delivering inflation gas replenishes or increases the air pressure value in the air pressure box 2.2.
[0039] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.
Claims
1. A steam superheat value testing device, characterized in that: The invention comprises a steam pipe (1), a thermal sensing component (2), a magnetic sensing component (3), a heat preservation component (4) and a pressurizing component (5), wherein the thermal sensing component (2) is fixedly mounted on the steam pipe (1), the magnetic sensing component (3) is fixedly mounted on the thermal sensing component (2), the heat preservation component (4) is fixedly mounted on the outer wall of the thermal sensing component (2), the heat preservation component (4) is fixedly mounted on the outer wall of the magnetic sensing component (3), and the pressurizing component (5) is fixedly mounted on the thermal sensing component (2).
2. A steam superheat value testing device according to claim 1, characterized in that: Flanges (1.1) are fixedly provided at both ends of the steam pipe (1), and connecting holes (1.2) are provided on the outer surfaces of the flanges (1.1).
3. A steam superheat value testing device according to claim 1, characterized in that: The thermal sensing component (2) comprises a thin aluminum tube (2.1) and an air pressure box (2.2); both ends of the thin aluminum tube (2.1) are fixedly mounted on the middle portion of the steam pipe (1); both bottom portions of the two sides of the air pressure box (2.2) are fixedly mounted on the middle portion of the steam pipe (1); and both sides of the thin aluminum tube (2.1) are fixedly mounted on the bottom portion of the inner wall of the air pressure box (2.2).
4. A steam superheat value testing device according to claim 1, characterized in that: The magnetic induction component (3) comprises a magnetic induction cylinder (3.1), a piston (3.2), a first heat insulation plate (3.3) and a second heat insulation plate (3.4), wherein the bottom of the magnetic induction cylinder (3.1) is fixedly mounted on the outer wall of the air pressure box (2.2), the piston (3.2) is slidably mounted in the magnetic induction cylinder (3.1), the top of the first heat insulation plate (3.3) is fixedly mounted on the bottom of the piston (3.2), the top of the second heat insulation plate (3.4) is fixedly mounted on the bottom of the first heat insulation plate (3.3), and a limit ring (3.1.1) is fixedly provided on the inner top of the magnetic induction cylinder (3.1).
5. A steam superheat value testing device according to claim 4, characterized in that: The magnetic induction component (3) further comprises a support rod (3.5), a strong magnetic column (3.6) and a return spring (3.7), wherein the bottom of the support rod (3.5) is fixedly mounted on the top of the piston (3.2), the bottom of the strong magnetic column (3.6) is fixedly mounted on the top of the support rod (3.5), and the bottom of the return spring (3.7) is fixedly mounted on the top of the piston (3.2).
6. A steam superheat value testing device according to claim 5, characterized in that: The magnetic induction component (3) further comprises a coil box (3.8), an induction coil (3.9) and a conveying line tube (3.10), wherein the coil box (3.8) is fixedly mounted on the inner top of the magnetic induction cylinder (3.1), the bottom of the coil box (3.8) is fixedly mounted on the top of the return spring (3.7), the induction coil (3.9) is fixedly mounted in the coil box (3.8), the bottom of the conveying line tube (3.10) is fixedly mounted on the top of the coil box (3.8), and the top of the conveying line tube (3.10) passes through the top of the magnetic induction cylinder (3.1).
7. The steam superheat value testing device according to claim 1, characterized in that: The thermal insulation component (4) comprises a first thermal insulation layer (4.1) and a second thermal insulation layer (4.2); the first thermal insulation layer (4.1) is fixedly mounted on the outer wall of the air pressure box (2.2); and the second thermal insulation layer (4.2) is fixedly mounted on the outer wall of the magnetic induction cylinder (3.1).
8. The steam superheat value testing device according to claim 1, characterized in that: The boost assembly (5) comprises a boost pipe (5.1), a shrink ring (5.2), a spring seat (5.3), a sealing spring (5.4) and a sealing plate (5.5), wherein the bottom of the boost pipe (5.1) is fixedly mounted on the air pressure box (2.2), the shrink ring (5.2) is fixedly mounted on the inner top of the boost pipe (5.1), the spring seat (5.3) is fixedly mounted on the inner bottom of the boost pipe (5.1), the bottom of the sealing spring (5.4) is fixedly mounted on the top of the spring seat (5.3), and the bottom of the sealing plate (5.5) is fixedly mounted on the top of the sealing spring (5.4).
9. The steam superheat value testing device according to claim 1, characterized in that: It also includes a fixing plate (6), which is fixedly mounted on the inner wall of the steam pipe (1), and the fixing plate (6) is fixedly mounted on the inner wall of the thin aluminum tube (2.1).