Fused salt pipeline valve leakage monitoring and collecting device

Abstract

The utility model provides a molten salt pipeline valve leakage monitoring and collecting device, and belongs to the technical field of molten salt transportation, and the molten salt pipeline valve leakage monitoring and collecting device comprises a molten salt collecting container, a fixing assembly, a conductive net and a conductive detection assembly; the fused salt collecting container is fixed below a to-be-detected part through a fixing assembly, a conducting layer is arranged at the bottom of an inner cavity of the fused salt collecting container, and an insulating layer is arranged on the side wall of the inner cavity of the fused salt collecting container; the outer wall of the conductive net abuts against the insulating layer, and a gap is formed between the conductive net and the conductive layer; the conductive detection assembly is electrically connected with the conductive net and the conductive layer. When the fused salt drips on the to-be-detected part, the fused salt can conduct the conductive net and the conductive layer, and if the conductive detection assembly detects that the conductive detection assembly is in a conductive state, it can be judged that the fused salt drips at the moment; according to the application, workers do not need to patrol and monitor around the fused salt pipeline, so that the labor cost is greatly reduced.

Description

Technical Field

[0001] The present application relates to the technical field of molten salt transportation, and in particular to a molten salt pipeline valve leakage monitoring and collection device. Background Art

[0002] There are a large number of molten salt pipelines in CSP power plants that use molten salt as a heat transfer and storage medium. Such pipelines are usually at high temperatures and pressures. During operation, leakage is likely to occur at the electric door rod, pneumatic door rod and flange. Since the temperature of the molten salt itself is very high, leakage of the molten salt may cause burns or on-site fire.

[0003] The existing method for detecting molten salt leakage is to have workers patrol and monitor around the molten salt pipeline.

[0004] However, since the existing methods require manual patrol and monitoring around the molten salt pipeline, the workload of inspectors is heavy and it is very easy to miss inspections. Utility Model Content

[0005] The present application provides a molten salt pipeline valve leakage monitoring and collection device, which is used to solve the technical problem of large workload in the existing molten salt pipeline valve leakage detection.

[0006] The embodiment of the present application provides a molten salt pipeline valve leakage monitoring and collection device, including a molten salt collection container, at least one fixing component, a conductive net and a conductive detection component;

[0007] The molten salt collection container is fixed below the part to be detected by each of the fixing components, and the opening of the molten salt collection container faces the part to be detected. The molten salt collection container is used to collect the molten salt dripping from the part to be detected. The bottom of the inner cavity of the molten salt collection container is provided with a conductive layer, and the inner cavity side wall of the molten salt collection container is provided with an insulating layer;

[0008] The conductive net is arranged in the inner cavity of the molten salt collection container, and the outer wall of the conductive net is in contact with the insulating layer, a gap is arranged between the conductive net and the conductive layer to insulate the conductive net from the conductive layer, and the molten salt dripped from the part to be detected is used to conduct the conductive net and the conductive layer;

[0009] The conductive net and the conductive layer are both electrically connected to the conductive detection component. The conductive detection component detects whether molten salt drips from the part to be detected by detecting whether there is conduction between the conductive net and the conductive layer.

[0010] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, it also includes a plurality of first insulating supports, one end of the first insulating support is connected to the conductive layer, the other end of the first insulating support is connected to the conductive net, and the first insulating support is used to support the conductive net above the conductive layer.

[0011] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, the fixing assembly includes a fixing arm and a fixing ring, the fixing ring is used to be fixed on the molten salt pipeline, flange or valve, one end of the fixing arm is connected to the fixing ring, and the other end of the fixing arm is connected to the molten salt collection container.

[0012] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, the fixed component also includes a slide rail, which is horizontally arranged on the molten salt collection container, and the end of the fixed arm away from the fixed ring is slidably connected to the slide rail, and the slide rail is used to adjust the horizontal distance between the opening of the molten salt collection container and the part to be detected.

[0013] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, the fixed arm is a telescopic rod.

[0014] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, the number of the fixed components is two, and the slide rail of one of the fixed components is arranged at one side wall of the inner cavity of the molten salt collection container, and the slide rail of the other fixed component is arranged at the other opposite side wall of the inner cavity of the molten salt collection container.

[0015] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, it also includes a plurality of second insulating supports, one end of the second insulating support is connected to the insulating layer, and the other end of the second insulating support is connected to the conductive network.

[0016] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, it also includes a collection bucket, the opening of which faces the molten salt collection container, and the collection bucket is used to collect the molten salt dripping from the molten salt collection container.

[0017] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, a controller and an alarm are also included, and the conductive detection component and the alarm are electrically connected to the controller respectively;

[0018] When the conductive network and the conductive layer are conducting, the controller controls the alarm to issue an alarm prompt.

[0019] In the preferred technical solution of the above-mentioned molten salt pipeline valve leakage monitoring and collection device, the conductive detection component is a conductive sensor.

[0020] The present application provides a molten salt pipeline valve leakage monitoring and collection device, comprising a molten salt collecting container, a fixing component, a conductive net and a conductive detection component; the molten salt collecting container is fixed below a part to be detected by the fixing components, a conductive layer is provided at the bottom of an inner cavity of the molten salt collecting container, and an insulating layer is provided on a side wall of the inner cavity of the molten salt collecting container; the conductive net is provided in the inner cavity of the molten salt collecting container, and an outer wall of the conductive net is in contact with the insulating layer, and a gap is provided between the conductive net and the conductive layer; the conductive detection component is electrically connected to the conductive net and the conductive layer, respectively. When using the molten salt pipeline valve leakage monitoring and collection device of the present application, since the conductive mesh and the conductive layer are insulated, that is, when there is no molten salt dripping, the conductive detection component detects that the conductive mesh and the conductive layer are in an insulating state, then it can be determined that there is no molten salt dripping at this time; when molten salt drips from the part to be detected, since the dripping high-temperature molten salt is conductive in a molten state, after a certain amount of molten salt drips into the molten salt collection container, the molten salt can connect the conductive mesh and the conductive layer, and the conductive detection component detects that the conductive mesh and the conductive layer are in a conductive state, then it can be determined that molten salt is dripping; by using the molten salt pipeline valve leakage monitoring and collection device of the present application to monitor the dripping of the molten salt pipeline valve, there is no need for staff to patrol and monitor around the molten salt pipeline, which greatly reduces the workload of staff and improves detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0022] Figure 1 A schematic diagram of the structure of a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application;

[0023] Figure 2 A schematic diagram of the structure of a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application from a top view;

[0024] Figure 3 A schematic diagram of the connection structure of the conductive detection component in the molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application;

[0025] Figure 4 A schematic diagram of the structure of the side wall of the molten salt collection container in the molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application;

[0026] Figure 5 A schematic diagram of the structure of a conductive network in a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application.

[0027] Description of reference numerals:

[0028] 100-molten salt collection container; 110-conductive layer; 120-insulating layer;

[0029] 200-fixing assembly; 210-fixing arm; 220-fixing ring; 230-slide rail;

[0030] 300-conductive mesh;

[0031] 400 - conductive detection component; 410 - first detection point; 420 - second detection point;

[0032] 500-first insulating support member;

[0033] 600- second insulating support member;

[0034] 700 - Collection bucket;

[0035] 800-controller;

[0036] 900- alarm;

[0037] 1000-molten salt pipeline;

[0038] 1100-Flange.

[0039] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0040] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation methods described in the following exemplary embodiments do not represent all implementation methods consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0041] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0043] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0044] There are a large number of molten salt pipelines in existing CSP power plants that use molten salt as a heat transfer and storage medium. Such pipelines are usually at high temperatures and pressures, and are prone to leakage at the electric door rods, pneumatic door rods and flanges during operation. Since the temperature of the molten salt itself is very high, leakage of the molten salt may cause burns or on-site fires.

[0045] The existing method for detecting molten salt leakage is to have workers patrol and monitor around the molten salt pipeline.

[0046] However, the existing methods require manual patrol and monitoring around the molten salt pipeline, which increases labor costs and increases the workload of inspectors. In addition, when molten salt leaks, manual inspections can easily fail to detect leaks in a timely manner, making it very easy for leaks to be missed.

[0047] Molten salt has the property of being conductive in a molten state at high temperatures, but being solid and non-conductive at room temperature. After leakage, the molten salt will quickly turn into a solid state at room temperature and lose its conductivity.

[0048] In order to solve the technical problem of large workload in the existing detection of molten salt pipeline valve leakage, the present application proposes a molten salt pipeline valve leakage monitoring and collection device, comprising a molten salt collecting container, at least one fixed component, a conductive net and a conductive detection component; the molten salt collecting container is fixed below the part to be detected by the fixed components, and the opening of the molten salt collecting container faces the part to be detected, the molten salt collecting container is used to collect molten salt dripping from the part to be detected, a conductive layer is provided at the bottom of the inner cavity of the molten salt collecting container, and an insulating layer is provided on the side wall of the inner cavity of the molten salt collecting container; the conductive net is provided in the inner cavity of the molten salt collecting container, and the outer wall of the conductive net is abutted against the insulating layer, and a gap is provided between the conductive net and the conductive layer to insulate the conductive net and the conductive layer; the conductive detection component is electrically connected to the conductive net and the conductive layer, respectively, and the conductive detection component is used to detect whether there is conductivity between the conductive net and the conductive layer.

[0049] According to the physical property that molten salt is conductive in a molten state at high temperature and solid and non-conductive at room temperature, the molten salt will quickly turn into a solid state at room temperature and lose its conductivity after leakage. When using the molten salt pipeline valve leakage monitoring and collection device of the present application, since the conductive mesh and the conductive layer are insulated, that is, when there is no molten salt dripping, the conductive detection component detects that the conductive mesh and the conductive layer are in an insulating state, then it can be determined that there is no molten salt dripping at this time; when the molten salt drips at the part to be detected, since the dripping high-temperature molten salt is conductive in a molten state, after a certain amount of molten salt drips into the molten salt collection container, the molten salt can connect the conductive mesh and the conductive layer, and the conductive detection component detects that the conductive mesh and the conductive layer are in a conductive state, then it can be determined that there is molten salt dripping at this time; by using the molten salt pipeline valve leakage monitoring and collection device of the present application to monitor the leakage of the molten salt pipeline valve, there is no need for staff to patrol and monitor around the molten salt pipeline, which reduces the workload of the detection personnel, solves the technical problem of the large workload of the existing detection of molten salt pipeline valve leakage, and improves the detection efficiency.

[0050] The following specific embodiments are combined with the accompanying drawings to describe the technical solution of the application in detail. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0051] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, Figure 1 A schematic diagram of the structure of a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application; Figure 2 A schematic diagram of the structure of a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application from a top view; Figure 3A schematic diagram of the connection structure of the conductive detection component in the molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application; Figure 4 A schematic diagram of the structure of the side wall of the molten salt collection container in the molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application; Figure 5 A schematic diagram of the structure of a conductive network in a molten salt pipeline valve leakage monitoring and collection device provided in an embodiment of the present application.

[0052] In the embodiments of this application, refer to Figures 1 to 4 As shown, an embodiment of the present application provides a molten salt pipeline valve leakage monitoring and collection device, including a molten salt collection container 100, at least one fixing component 200, a conductive mesh 300 and a conductive detection component 400.

[0053] The molten salt collecting container 100 is fixed below the part to be detected by each fixing component 200, and the opening of the molten salt collecting container 100 faces the part to be detected. The molten salt collecting container 100 is used to collect the molten salt dripping from the part to be detected. A conductive layer 110 is provided at the bottom of the inner cavity of the molten salt collecting container 100, and an insulating layer 120 is provided on the side wall of the inner cavity of the molten salt collecting container 100.

[0054] The conductive mesh 300 is arranged in the inner cavity of the molten salt collection container 100, and the outer wall of the conductive mesh 300 is in contact with the insulating layer 120. A gap is set between the conductive mesh 300 and the conductive layer 110 to insulate the conductive mesh 300 from the conductive layer 110. The molten salt dripped from the part to be detected is used to conduct the conductive mesh 300 and the conductive layer 110.

[0055] The conductive mesh 300 and the conductive layer 110 are both electrically connected to the conductive detection component 400 . The conductive detection component 400 detects whether the conductive mesh 300 and the conductive layer 110 are conductive to detect whether molten salt drips from the part to be detected.

[0056] The molten salt collecting container 100 of the molten salt pipeline valve leakage monitoring and collection device of the present application is used to collect the molten salt dripping from the part to be detected. The molten salt collecting container 100 can be a collection plate, a collection bowl, a collection barrel 700, etc.

[0057] There is at least one fixing component 200, and the function of the fixing component 200 is to fix the molten salt collection container 100 below the part to be detected so that the molten salt collection container 100 can receive the molten salt dripping from the part to be detected. The fixing component 200 can be a connecting rope, a connecting rod, a hook, etc.

[0058] The conductive mesh 300 has a conductive function and may be a metal mesh, such as an iron mesh, a copper mesh, or the like.

[0059] The gap distance between the conductive mesh 300 and the conductive layer 110 is set according to actual conditions. In this embodiment, the gap distance between the conductive mesh 300 and the conductive layer 110 is 1 mm.

[0060] The function of the conductive detection component 400 is to detect whether there is conductivity between the conductive mesh 300 and the conductive layer 110. The conductive detection component 400 can be a conductive detection component 400, a current detector, a voltage detector, a resistance detector, a multimeter, a conductive pen, a conductive sensor, a conductive detector, etc., as long as it can detect whether there is conductivity between two points.

[0061] The conductive detection component 400 has a first detection point 410 and a second detection point 420 . The first detection point 410 is connected to the conductive mesh 300 , and the second detection point 420 is connected to the conductive layer 110 .

[0062] According to the physical property that molten salt is conductive in a molten state at high temperature and solid and non-conductive at room temperature, the molten salt will quickly turn into a solid state at room temperature and lose its conductivity after leakage. When using the molten salt pipeline valve leakage monitoring and collection device of the present application, since the conductive mesh 300 and the conductive layer 110 are insulated, that is, when there is no molten salt dripping, the conductive detection component 400 detects that the conductive mesh 300 and the conductive layer 110 are in an insulating state, it can be determined that there is no molten salt dripping at this time; when the molten salt drips from the part to be detected, since the dripping high-temperature molten salt is conductive in a molten state, as the molten salt drips, After a certain amount of molten salt has accumulated in the molten salt collection container 100, the molten salt can conduct the conductive mesh 300 and the conductive layer 110. The conductive detection component 400 detects that the conductive mesh 300 and the conductive layer 110 are in a conductive state, and it can be determined that molten salt is dripping. The molten salt pipeline valve dripping monitoring and collection device of the present application can be used to monitor the valve leakage of the molten salt pipeline 1000. There is no need for staff to patrol and monitor around the molten salt pipeline 1000, which greatly reduces the workload of detection personnel, solves the technical problem of large workload in the existing detection of valve leakage in the molten salt pipeline 1000, and improves detection efficiency.

[0063] In some possible embodiments, a plurality of first insulating support members 500 are further included, one end of the first insulating support member 500 is connected to the conductive layer 110 , and the other end of the first insulating support member 500 is connected to the conductive mesh 300 , and the first insulating support member 500 is used to support the conductive mesh 300 above the conductive layer 110 .

[0064] In this embodiment, refer to Figure 5 As shown, by disposing a plurality of first insulating support members 500 between the conductive mesh 300 and the conductive layer 110 , the conductive mesh 300 is prevented from collapsing and being connected to the conductive layer 110 .

[0065] In another embodiment, the fixing assembly 200 includes a fixing arm 210 and a fixing ring 220, the fixing ring 220 is used to be fixed on the molten salt pipeline 1000, the flange 1100 or the valve, one end of the fixing arm 210 is connected to the fixing ring 220, and the other end of the fixing arm 210 is connected to the molten salt collection container 100.

[0066] In this embodiment, the molten salt collection container 100 is connected and fixed to the molten salt pipeline 1000, the flange 1100 or the valve through the fixing arm 210 and the fixing ring 220 to ensure that the molten salt collection container 100 can be located below the part to be detected.

[0067] In other embodiments, the fixing assembly 200 also includes a slide rail 230, which is horizontally arranged on the molten salt collection container 100, and the end of the fixed arm 210 away from the fixing ring 220 is slidably connected to the slide rail 230, and the slide rail 230 is used to adjust the horizontal distance between the opening of the molten salt collection container 100 and the part to be detected.

[0068] In this embodiment, by adjusting the position of the fixed arm 210 on the slide rail 230, the horizontal position of the molten salt collecting container 100 can be adjusted, so that the molten salt collecting container 100 can be located below the part to be inspected, so that the molten salt collecting container 100 can receive the molten salt dripping from the part to be inspected.

[0069] In one embodiment, the fixed arm 210 is a telescopic rod. In this embodiment, by setting the fixed arm 210 as a telescopic rod, it is convenient to adjust the distance between the molten salt collection container 100 and the part to be detected, so as to avoid the distance between the molten salt collection container 100 and the part to be detected being too large or too small.

[0070] In some embodiments, there are two fixing assemblies 200 , and the slide rail 230 of one fixing assembly 200 is disposed at one side wall of the inner cavity of the molten salt collection container 100 , and the slide rail 230 of another fixing assembly 200 is disposed at the other opposite side wall of the inner cavity of the molten salt collection container 100 .

[0071] In this embodiment, there are two fixing assemblies 200, which are respectively arranged on two opposite side walls of the inner cavity of the molten salt collecting container 100, so that the molten salt collecting container 100 is fixed more stably and prevents the molten salt collecting container 100 from shaking.

[0072] In one embodiment, a plurality of second insulating support members 600 are further included, one end of the second insulating support member 600 is connected to the insulating layer 120 , and the other end of the second insulating support member 600 is connected to the conductive mesh 300 .

[0073] In this embodiment, refer to Figure 5As shown, the second insulating support member 600 is provided to ensure that the conductive mesh 300 can be stably fixed on the insulating layer 120 , thereby preventing the conductive mesh 300 from falling off the insulating layer 120 .

[0074] In other possible embodiments, a collecting bucket 700 is further included. The opening of the collecting bucket 700 faces the molten salt collecting container 100 . The collecting bucket 700 is used to collect the molten salt dripping from the molten salt collecting container 100 .

[0075] In this embodiment, when the leak in the part to be detected is serious and a large amount of molten salt drips, it is easy for the molten salt in the molten salt collecting container 100 to overflow, causing the molten salt to leak to the ground. In this embodiment, a collection bucket 700 is set under the molten salt collecting container 100, so that the molten salt overflowing from the molten salt collecting container 100 can be received to prevent the molten salt from leaking to the ground.

[0076] It should be noted that the materials of the collection barrel 700 and the molten salt collection container 100 can be set to be fire-proof, high-temperature-resistant and corrosion-resistant materials.

[0077] In other embodiments, reference Figure 3 As shown, it also includes a controller 800 and an alarm 900. The conductive detection component 400 and the alarm 900 are electrically connected to the controller 800 respectively. When the conductive mesh 300 and the conductive layer 110 are conductive, the controller 800 controls the alarm 900 to issue an alarm prompt.

[0078] In this embodiment, the conductive detection component 400 detects whether there is conductivity between the conductive mesh 300 and the conductive layer 110, and then transmits the information to the controller 800. The controller 800 then controls the alarm 900 to issue an alarm prompt based on preset conditions. When the conductive detection component 400 detects conductivity between the conductive mesh 300 and the conductive layer 110, the controller 800 controls the alarm 900 to issue an alarm to notify the staff.

[0079] In this embodiment, the controller 800 may be a computer, a DCS background, etc.

[0080] In a possible embodiment, the conductive detection component 400 is a conductive sensor. The conductive detection component 400 can be a conductive detection component 400, a current detector, a voltage detector, a resistance detector, a multimeter, a conductive pen, a conductive sensor, a conductive detector, etc., as long as it can detect whether there is conductivity between two points.

[0081] Those skilled in the art will readily appreciate other embodiments of the present application after considering the description and practicing the contents disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The description and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0082] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A molten salt pipeline valve leakage monitoring and collection device, characterized in that: It comprises a molten salt collection container (100), at least one fixing component (200), a conductive net (300) and a conductive detection component (400); The molten salt collection container (100) is fixed below the part to be detected by each of the fixing components (200), and the opening of the molten salt collection container (100) faces the part to be detected. The molten salt collection container (100) is used to collect the molten salt dripping from the part to be detected. The bottom of the inner cavity of the molten salt collection container (100) is provided with a conductive layer (110), and the side wall of the inner cavity of the molten salt collection container (100) is provided with an insulating layer (120); The conductive net (300) is arranged in the inner cavity of the molten salt collection container (100), and the outer wall of the conductive net (300) is in contact with the insulating layer (120), a gap is provided between the conductive net (300) and the conductive layer (110), so that the conductive net (300) and the conductive layer (110) are insulated, and the molten salt dripped from the part to be detected is used to conduct the conductive net (300) and the conductive layer (110); The conductive mesh (300) and the conductive layer (110) are both electrically connected to the conductive detection component (400), and the conductive detection component (400) detects whether molten salt drips from the part to be detected by detecting whether there is conduction between the conductive mesh (300) and the conductive layer (110).

2. The molten salt pipeline valve leakage monitoring and collection device according to claim 1 is characterized in that: It also includes a plurality of first insulating support members (500), one end of each of the first insulating support members (500) is connected to the conductive layer (110), and the other end of each of the first insulating support members (500) is connected to the conductive mesh (300), and the first insulating support members (500) are used to support the conductive mesh (300) above the conductive layer (110).

3. The molten salt pipeline valve leakage monitoring and collection device according to claim 1 is characterized in that: The fixing assembly (200) comprises a fixing arm (210) and a fixing ring (220); the fixing ring (220) is used to be fixed on a molten salt pipeline (1000), a flange (1100) or a valve; one end of the fixing arm (210) is connected to the fixing ring (220), and the other end of the fixing arm (210) is connected to the molten salt collection container (100).

4. The molten salt pipeline valve leakage monitoring and collection device according to claim 3 is characterized in that: The fixing assembly (200) further comprises a slide rail (230), wherein the slide rail (230) is horizontally arranged on the molten salt collection container (100), and one end of the fixing arm (210) away from the fixing ring (220) is slidably connected to the slide rail (230), and the slide rail (230) is used to adjust the horizontal distance between the opening of the molten salt collection container (100) and the part to be detected.

5. The molten salt pipeline valve leakage monitoring and collection device according to claim 3 is characterized in that: The fixed arm (210) is a telescopic rod.

6. The molten salt pipeline valve leakage monitoring and collection device according to claim 4 is characterized in that: The number of the fixing components (200) is two, and the slide rail (230) of one of the fixing components (200) is arranged at one side wall of the inner cavity of the molten salt collection container (100), and the slide rail (230) of the other fixing component (200) is arranged at the other opposite side wall of the inner cavity of the molten salt collection container (100).

7. The molten salt pipeline valve leakage monitoring and collection device according to claim 1 is characterized in that: It also includes a plurality of second insulating support members (600), one end of each of the second insulating support members (600) is connected to the insulating layer (120), and the other end of each of the second insulating support members (600) is connected to the conductive mesh (300).

8. The molten salt pipeline valve leakage monitoring and collection device according to claim 1 is characterized in that: It also comprises a collecting bucket (700), the opening of the collecting bucket (700) faces the molten salt collecting container (100), and the collecting bucket (700) is used to collect the molten salt dripping from the molten salt collecting container (100).

9. The molten salt pipeline valve leakage monitoring and collection device according to any one of claims 1 to 8, characterized in that: It also includes a controller (800) and an alarm (900), wherein the conductive detection component (400) and the alarm (900) are electrically connected to the controller (800) respectively; When conduction occurs between the conductive mesh (300) and the conductive layer (110), the controller (800) controls the alarm (900) to issue an alarm prompt.

10. The molten salt pipeline valve leakage monitoring and collection device according to any one of claims 1 to 8, characterized in that: The conductive detection component (400) is a conductive sensor.

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