Simulation assembly for simulating flowing of liquid metal in laboratory

Abstract

The invention discloses a simulation assembly for simulating liquid metal flow in a laboratory, which comprises a main pipeline with a cavity inside, one end of the main pipeline is a liquid inlet, the other end of the main pipeline is an outlet end, a plurality of heating rods are distributed in the cavity, and a flow channel for simulating hydraulic metal flow is formed between adjacent heating rods. And wires of the plurality of heating rods extend to a wiring end outside the main pipeline. The device can effectively simulate the flowing conditions of the liquid metal at different temperatures so as to know the density of the liquid metal at different temperatures, and the whole assembly is simple in structure and low in cost.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging box forming, and particularly relates to a simulation component for simulating the flow of liquid metal in a laboratory. Background Art

[0002] Liquid metal has different densities at different temperatures. The difference in density will cause different flow velocities. Therefore, it is necessary to simulate the flow velocity of liquid metal in a pipeline at different temperatures, and then obtain the density values at different flow velocities to provide reliable data support for production and processing. However, the structures of the current components for simulating the flow of liquid metal are relatively complex and costly. Summary of the Invention

[0003] The purpose of the present invention is to provide a simulation component for simulating the flow of liquid metal in a laboratory, which can effectively simulate the flow conditions of liquid metal at different temperatures, and then know the density of liquid metal at different temperatures. The entire component has a simple structure and low cost.

[0004] To solve the above technical problems, the present invention adopts the following solutions:

[0005] A simulation component for simulating the flow of liquid metal in a laboratory includes a main pipeline with a cavity inside. One end of the main pipeline is a liquid inlet, and the other end is an outlet end. A plurality of heating rods are distributed in the cavity, and a flow channel for simulating the flow of hydraulic metal is formed between adjacent heating rods. The wires of the plurality of heating rods extend to a connection terminal outside the main pipeline.

[0006] In this solution, through the distribution and independent control of a plurality of heating rods, the temperature and flow characteristics of liquid metal can be precisely adjusted to simulate the flow behavior under different conditions. The design of the flow channel between the heating rods allows researchers to adjust the width and shape of the flow channel according to needs, so as to simulate different flow scenarios. The flow characteristics of liquid metal at high temperatures can be truly restored through the precise temperature control of the heating rods, providing more accurate data for research. The main pipeline and the heating rods have modular characteristics, which are convenient for disassembly, replacement or expansion to adapt to different experimental requirements. Through the external connection terminal, sensors and data acquisition systems can be connected to monitor the flow parameters of liquid metal in real time, providing rich data support for experimental analysis. This component can not only be used for basic research on the flow of liquid metal, but also be applied to simulation experiments in fields such as nuclear reactor cooling, metal casting, and battery thermal management; through local heating and precise temperature control, energy waste can be reduced and experimental efficiency can be improved. Due to the standardization of the design of the heating rods and the flow channel, the experimental conditions can be highly consistent, ensuring the reliability and repeatability of the experimental results. The entire component has a simple structure and low cost.

[0007] Optionally, the cross-section of the channel is a regular hexagon, and multiple heating rods are distributed in the channel in a concentric hexagonal ring. A wire is wound around the surface of the heating rod along its length direction to provide a gap between adjacent heating rods, and a flow channel for simulating the flow of liquid metal is formed between the wire and the heating rods on the side.

[0008] Optionally, the wire is wound around the heating rod in a spiral shape, the flow channel is spiral, the diameter of the wire is 1 - 1.8 mm, the pitch of the wire winding is 150 - 200 mm, and the overall straightness of the wire is 0.4 m / m.

[0009] Optionally, the width of the flow channel is 1 - 1.8 mm.

[0010] Optionally, the heating rods are distributed in three layers in the channel. There is one heating rod in the inner layer, six heating rods in the middle layer, and twelve heating rods in the outer layer.

[0011] Optionally, the heating rod in the inner layer is straight, and the heating rods in the middle layer and the outer layer are bent. The bending angle of the heating rods in the middle layer is greater than that of the heating rods in the outer layer.

[0012] Optionally, the bending angle of the heating rods in the middle layer is 160° - 170°, and the bending angle of the heating rods in the outer layer is 150° - 160°.

[0013] Optionally, multiple N-type armored thermocouples are installed on the main pipeline, and the temperature measurement points of the N-type armored thermocouples avoid the wires.

[0014] Optionally, the outlet end of the main pipeline is connected to a tee through a flange. One outlet of the tee is the liquid outlet, and the other outlet is connected to a terminal. The terminal is funnel-shaped and is closed between the terminal and the liquid outlet.

[0015] Optionally, a grille is provided at the liquid inlet of the main pipeline, and a block with a U-shaped opening is provided at the end of the heating rod. The U-shaped opening is clamped on the grille.

[0016] The beneficial effects of the present invention are:

[0017] In the present invention, through the distribution and independent control of multiple heating rods, the temperature and flow characteristics of liquid metal can be precisely adjusted to simulate the flow behavior under different conditions. The flow channel design between the heating rods allows researchers to adjust the width and shape of the flow channel according to needs, thereby simulating different flow scenarios. The flow characteristics of liquid metal at high temperatures can be truly restored through the precise temperature control of the heating rods, providing more accurate data for research. The main pipeline and heating rods have modular characteristics, facilitating disassembly, replacement, or expansion to adapt to different experimental requirements. Through the external terminal, sensors and data acquisition systems can be connected to monitor the flow parameters of liquid metal in real time, providing rich data support for experimental analysis. This component can be used not only for basic research on liquid metal flow but also for simulation experiments in fields such as nuclear reactor cooling, metal casting, and battery thermal management; through local heating and precise temperature control, energy waste can be reduced and experimental efficiency can be improved. Due to the standardized design of the heating rods and flow channels, the experimental conditions can be highly consistent, ensuring the reliability and repeatability of experimental results. The entire component has a simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 is a schematic structural diagram of the internal heating rod;

[0020] Figure 3 is a schematic cross-sectional structural diagram of the heating rod in the cavity;

[0021] Figure 4 Figure 2 is a partial enlarged structural diagram at A in;

[0022] Figure 5 is a schematic structural diagram of the grid;

[0023] Figure 6 is a schematic structural diagram of the clamping block;

[0024] Figure 7 is a structural diagram of the inner heating rod;

[0025] Figure 8 is a structural diagram of the middle heating rod;

[0026] Figure 9 is a structural diagram of the outer heating rod.

[0027] Reference numerals: 1 - main pipeline, 2 - liquid inlet, 3 - tee, 4 - liquid outlet, 5 - terminal, 6 - cavity, 7 - heating rod, 8 - fixing ring, 9 - partition, 10 - clamping block, 11 - metal wire, 12 - flow channel, 13 - U-shaped opening, 14 - N-type armored thermocouple. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present invention will be further described in detail below in conjunction with embodiments and the accompanying drawings. However, the implementation manners of the present invention are not limited thereto.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0030] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "provided with", "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0031] Embodiment

[0032] A simulation component for simulating the flow of liquid metal in a laboratory includes a main pipeline 1 with a cavity 6 inside. One end of the main pipeline 1 is a liquid inlet 2, and the other end is an outlet end. A plurality of heating rods 7 are distributed in the cavity 6, and a flow channel 12 for simulating the flow of hydraulic metal is formed between adjacent heating rods 7. The wires of the plurality of heating rods 7 extend to a wiring terminal 5 outside the main pipeline 1.

[0033] In this embodiment, as Figure 1 shown, the main pipeline 1 can be made of high-temperature resistant ceramics (such as alumina) or nickel-based alloys, taking into account both strength and corrosion resistance. The surface can be coated with a silicon carbide coating to enhance thermal shock resistance. By the distribution and independent control of the plurality of heating rods 7, the temperature is controlled in zones through the PID algorithm, realizing the customization of the axial / radial temperature field, and the temperature and flow characteristics of the liquid metal can be accurately adjusted to simulate the flow behaviors under different conditions (such as temperature gradient, flow rate change, etc.), as Figure 2 and Figure 5As shown, the design of the flow channel 12 between the heating rods 7 allows researchers to adjust the width and shape of the flow channel 12 as needed, thereby simulating different flow scenarios (such as turbulent flow, laminar flow, etc.). The flow characteristics of liquid metal at high temperatures (such as high thermal conductivity, low viscosity) can be truly restored through the precise temperature control of the heating rods 7, providing more accurate data for research. The main pipeline 1 and the heating rods 7 have modular characteristics, which are convenient for disassembly, replacement or expansion to adapt to different experimental requirements. Through the external terminal 5, sensors and data acquisition systems can be connected to monitor the flow parameters of liquid metal (such as temperature, pressure, flow rate, etc.) in real time, providing rich data support for experimental analysis. This component can be used not only for basic research on liquid metal flow but also for simulation experiments in fields such as nuclear reactor cooling, metal casting, and battery thermal management; through local heating and precise temperature control, energy waste can be reduced and experimental efficiency can be improved. Due to the standardization of the design of the heating rods 7 and the flow channel 12, the experimental conditions can be highly consistent, ensuring the reliability and repeatability of experimental results. The entire component has a simple structure and low cost.

[0034] Furthermore, the cross-section of the cavity 6 is a regular hexagon, and multiple heating rods 7 are distributed in the cavity 6 in a concentric hexagonal ring. A metal wire 11 is wound around the surface of the heating rod 7 along its length direction to provide a gap between adjacent heating rods 7, and the gap between the metal wire 11 and the side heating rod 7 forms a flow channel 12 for simulating the flow of liquid metal.

[0035] Specifically, as Figure 3 shown, the cross-section of the cavity 6 is a regular hexagon. The symmetry of the regular hexagon ensures a more uniform flow distribution of liquid metal in the cavity 6, avoiding the formation of flow dead zones. The heating rods 7 are distributed in a concentric hexagonal ring, further enhancing the symmetry and uniformity of the flow. The metal wire 11 is wound around the surface of the heating rod 7 by welding, increasing the contact area between the heating rod 7 and the liquid metal and improving the heat conduction efficiency. The concentric hexagonal distribution design enables heat to be evenly transferred to the liquid metal, avoiding local overheating or overcooling phenomena. As Figure 4 shown, the gap formed after the metal wire 11 is wound can be used as the flow channel 12 to precisely control the flow path and flow rate of liquid metal. By adjusting the winding density of the metal wire 11, the width of the flow channel 12 can be flexibly changed to adapt to different experimental requirements. The gap between the metal wire 11 and the heating rod 7 can simulate complex flow behaviors such as turbulent flow and eddy current, providing a more realistic flow environment. The regular hexagonal geometric structure has high mechanical strength and stability, capable of withstanding the high temperature and pressure of liquid metal. The metal wire 11 not only forms the flow channel 12 but also enhances the structural stability of the heating rod 7 and extends the service life of the equipment.

[0036] Further, the wire 11 is spirally wound around the heating rod 7, the flow channel 12 is spiral, the diameter of the wire 11 is 1 - 1.8 mm, the pitch of the wire 11 winding is 150 - 200 mm, and the overall straightness of the wire 11 is 0.4 m / m.

[0037] Specifically, the spiral flow channel 12 can guide the liquid metal to form a spiral flow, increasing the complexity and diversity of the flow, more realistically simulating the flow behavior in actual applications (such as turbulence, eddy current, etc.). The spiral flow can promote the mixing of the liquid metal, reduce the temperature gradient and concentration gradient, and improve the accuracy of the experiment. The wire 11 wound in a spiral shape increases the contact area between the heating rod 7 and the liquid metal, making the heat distribution more uniform and avoiding the phenomenon of local overheating or overcooling. The diameter of the wire 11 (1 - 1.8 mm), the appropriate diameter ensures both the strength of the wire 11 and does not occupy too much space in the flow channel 12, ensuring the smoothness of the flow channel 12 and the stability of the structure. The straightness (0.4 m / m), the high straightness of the wire 11 ensures the uniformity and consistency of the winding, reducing the flow non-uniformity and experimental error. The pitch (150 - 200 mm), the larger pitch design makes the width of the flow channel 12 appropriate, which can not only ensure the smooth flow of the liquid metal but also provide sufficient heating area.

[0038] Further, the width of the flow channel 12 is 1 - 1.8 mm.

[0039] Further, the heating rods 7 are distributed in three layers in the cavity 6. There is one heating rod 7 in the inner layer, six heating rods 7 in the middle layer, and twelve heating rods 7 in the outer layer.

[0040] Specifically, as Figure 3As shown, the hierarchical distribution of the inner layer, middle layer, and outer layer heating rods 7 can achieve uniform heating from the center to the edge, avoiding the phenomenon of excessive or too low local temperature. Each layer of heating rods 7 can independently control the temperature. Researchers can adjust the heating intensity of different regions according to experimental requirements, simulate different temperature gradients. The hierarchical design allows for precise heating of different regions within the channel 6, which is suitable for the study of complex flow behaviors. The gaps between the heating rods 7 form multi-layer channels 12, which can simulate the flow behaviors of liquid metal in different regions (such as the central layer, transition layer, and outer layer flow). The hierarchical heating rods 7 can guide the liquid metal to form complex flow patterns (such as eddy currents, turbulence, etc.), more realistically restoring the flow scenarios in actual applications. The distribution of the three-layer heating rods 7 significantly increases the heating area, improves the heat conduction efficiency, ensures that the liquid metal can quickly reach the target temperature. The hierarchical heating design can more effectively utilize thermal energy, reduce energy waste, and improve the economy of the experiment. The distribution of the three-layer heating rods 7 enhances the structural stability inside the channel 6, capable of withstanding the high temperature and pressure of the liquid metal. Each layer of heating rods 7 can be installed or replaced separately, facilitating the maintenance and upgrade of experimental equipment.

[0041] Further, as Figure 7 , Figure 8 , Figure 9 shown, the heating rods 7 in the inner layer are linear, the heating rods 7 in the middle layer and outer layer are bent, and the bending angle of the heating rods 7 in the middle layer is greater than that of the heating rods 7 in the outer layer.

[0042] Further, the bending angle of the heating rods 7 in the middle layer is 160° - 170°, and the bending angle of the heating rods 7 in the outer layer is 150° - 160°. Specifically, the best bending angle of the heating rods 7 in the middle layer is 163°, and the best bending angle of the heating rods 7 in the outer layer is 152°.

[0043] Further, a plurality of N-type armored thermocouples 14 are installed on the main pipeline 1, and the temperature measurement points of the N-type armored thermocouples 14 avoid the metal wires 11.

[0044] Specifically, the N-type thermocouple has high temperature measurement accuracy and stability, is suitable for high-temperature environments, and can accurately measure the temperature of liquid metal. The design of avoiding the metal wires 11 at the temperature measurement points avoids the interference of the metal wires 11 on temperature measurement, ensuring the accuracy and reliability of the measurement results. Installing a plurality of thermocouples on the main pipeline 1 can comprehensively monitor the temperature distribution of liquid metal at different positions, providing detailed temperature data. The N-type armored thermocouple 14 has high mechanical strength and durability, is suitable for use in high-temperature and high-pressure environments, and is easy to install and maintain.

[0045] Furthermore, the outlet end of the main pipeline 1 is connected to a tee pipe 3 through a flange. One outlet of the tee pipe 3 is a liquid outlet 4, and the other outlet is connected to a terminal 5. The terminal 5 is funnel-shaped, and it is sealed between the terminal 5 and the liquid outlet 4.

[0046] Furthermore, a grille is provided at the liquid inlet 2 of the main pipeline 1. The end of the heating rod 7 is provided with a clamping block 10 having a U-shaped opening 13, and the U-shaped opening 13 is clamped on the grille. Specifically, as Figure 5 and Figure 6 shown, the grille mainly includes a partition plate 9 and a fixing ring 8. The fixing ring 8 is embedded in the cavity 6 in a hexagonal shape. The partition plates 9 are distributed at intervals in the vertical direction. Both ends of the partition plate 9 are fixedly connected to the inner wall of the fixing ring 8. The U-shaped opening 13 of the clamping block 10 is clamped on the partition plate 9 to support and fix one end of the heating rod 7. The grille can act as a flow guiding vane to eliminate the inlet effect.

[0047] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Based on the technical essence of the present invention, any simple modifications, equivalent replacements, and improvements made to the above embodiments within the spirit and principles of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A simulation component for simulating the flow of liquid metal in a laboratory, characterized in that: The invention comprises a main pipeline (1) having a cavity (6) inside, one end of the main pipeline (1) being a liquid inlet (2) and the other end being an outlet, a plurality of heating rods (7) being distributed inside the cavity (6), a flow channel (12) for simulating hydraulic metal flow being formed between adjacent heating rods (7), and wires of the plurality of heating rods (7) extending to a connection terminal (5) outside the main pipeline (1).

2. A simulation component for simulating liquid metal flow in a laboratory according to claim 1, characterized in that: The cross section of the cavity (6) is a regular hexagon, and a plurality of heating rods (7) are distributed in the cavity (6) in the form of concentric hexagonal rings. Metal wires (11) are wound around the surfaces of the heating rods (7) along their lengths to allow gaps between adjacent heating rods (7), and a flow channel (12) for simulating the flow of liquid metal is formed between the metal wires (11) and the heating rods (7) on the sides.

3. A simulation component for simulating liquid metal flow in a laboratory according to claim 2, characterized in that: The metal wire (11) is spirally wound on the heating rod (7), the flow channel (12) is spirally shaped, the diameter of the metal wire (11) is 1-1.8 mm, the pitch of the winding of the metal wire (11) is 150-200 mm, and the overall straightness of the metal wire (11) is 0.4 m / m.

4. A simulation component for simulating liquid metal flow in a laboratory according to claim 2, characterized in that: The width of the flow channel (12) is 1-1.8 mm.

5. A simulation component for simulating liquid metal flow in a laboratory according to claim 2, characterized in that: The heating rods (7) are distributed in three layers in the cavity (6), the inner layer comprises one heating rod (7), the middle layer comprises six heating rods (7), and the outer layer comprises twelve heating rods (7).

6. A simulation component for simulating liquid metal flow in a laboratory according to claim 5, characterized in that: The heating rod (7) of the inner layer is in a straight line shape, and the heating rods (7) of the middle layer and the outer layer are in a bent shape, wherein the bending angle of the heating rod (7) of the middle layer is greater than the bending angle of the heating rod (7) of the outer layer.

7. A simulation component for simulating liquid metal flow in a laboratory according to claim 6, characterized in that: The bending angle of the heating rod (7) in the middle layer is 160°-170°, and the bending angle of the heating rod (7) in the outer layer is 150°-160°.

8. The simulation component for simulating liquid metal flow in a laboratory according to claim 1, characterized in that: A plurality of N-type armored thermocouples (14) are installed on the main pipeline (1), and the temperature measurement points of the N-type armored thermocouples (14) are away from the metal wire (11).

9. The simulation component for simulating liquid metal flow in a laboratory according to claim 1, characterized in that: The outlet end of the main pipeline (1) is connected to a three-way pipe (3) via a flange, one outlet of the three-way pipe (3) is a liquid outlet (4), and the other outlet is connected to a connection terminal (5), the connection terminal (5) is funnel-shaped, and the connection terminal (5) and the liquid outlet (4) are sealed.

10. The simulation component for simulating liquid metal flow in a laboratory according to claim 1, characterized in that: The liquid inlet (2) of the main pipeline (1) is provided with a grid, and the end of the heating rod (7) is provided with a clamping block (10) having a U-shaped opening (13), and the U-shaped opening (13) is clamped on the grid.

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