Detection device and detection method for heat storage of molten salt tower type photo-thermal power station

Abstract

The invention relates to the technical field of heat storage detection, and discloses a detection device for heat storage of a molten salt tower type photo-thermal power station, a control box is arranged outside a heat storage tank, and a control panel and a control key are arranged on the front surface of the control box from top to bottom; a temperature sensor and a liquid level sensor are arranged on one side of the control box from top to bottom, the detection end of the temperature sensor and the detection end of the liquid level sensor penetrate into the heat storage tank, a mounting frame is mounted on the other side of the control box through screws, and a screw rod is rotationally mounted in the mounting frame; and a moving plate is rotationally mounted outside the screw rod, a thermal imager is mounted on the upper surface of the moving plate and located on one side of the screw rod, and a cleaning plate is slidably mounted on one side of the mounting frame and located in front of the control box. The purpose of detecting heat storage of the fused salt tower type photo-thermal power station can be achieved through the temperature sensor, the liquid level sensor and the thermal imager, and the detection effect of the fused salt tower type photo-thermal power station is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of heat storage detection, and particularly relates to a detection device for heat storage of a molten salt tower type photo-thermal power station and a detection method thereof. BACKGROUND

[0002] The molten salt tower type photo-thermal power station is a power station for generating electricity by using solar energy, which uses molten salt as a heat transfer medium, focuses sunlight on the top of the tower through a mirror surface, heats the molten salt to a high temperature state, and then converts heat energy into electric energy through a heat exchanger. The molten salt tower type photo-thermal power station has the advantages of high efficiency, high reliability, low pollution and the like, and is one of green energy sources for sustainable development in the future.

[0003] The molten salt tower type photo-thermal power station has the advantages that it can realize 24-hour uninterrupted power generation in areas with sufficient sunlight, and in the night or rainy days, the molten salt can release the heat energy stored in the daytime to continue power generation. In addition, the molten salt tower type photo-thermal power station has a high power generation efficiency, which can be higher than 50%, much higher than traditional photovoltaic power generation and wind power generation.

[0004] The molten salt tower type photo-thermal power station needs to be detected during heat storage. Through detection, possible safety hazards and defects of the heat storage system can be found in time, and corresponding repair measures can be taken. At the same time, through detection, the heat storage capacity, heat loss, heat efficiency and other key indicators of the heat storage system can be understood, so as to evaluate the performance level of the system and provide a basis for optimized operation and maintenance of the power station.

[0005] However, at present, when detecting the heat storage of the molten salt tower type photo-thermal power station, a single detection mode is generally used. This detection mode is prone to poor data accuracy, and cannot achieve efficient detection. Therefore, the technical personnel in the field provide a detection device for heat storage of a molten salt tower type photo-thermal power station and a detection method thereof to solve the problems in the background art. SUMMARY

[0006] The application aims to provide a detection device for heat storage of a molten salt tower type photo-thermal power station and a detection method thereof to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the application provides the following technical scheme.

[0008] A kind of detection device for molten salt tower type photo-thermal power station heat storage, including heat storage tank, the outside of the heat storage tank is provided with control box, the front surface of the control box is provided with control panel and control key from top to bottom respectively, and the side of control box is provided with temperature sensor and liquid level sensor from top to bottom respectively, the detection end of temperature sensor and liquid level sensor penetrates to the inside of heat storage tank, the other side of the control box is installed with mounting bracket by screw, the inside of the mounting bracket is rotatably installed with screw rod, the outside of the screw rod is rotatably installed with moving plate, the upper surface of the moving plate is installed with thermal imager on the side of screw rod, the side of the mounting bracket is slidably installed with cleaning plate in front of control box.

[0009] As a further scheme of the application: the upper surface of the mounting bracket is installed with an adjusting motor, and the driving end of the adjusting motor is connected with the upper end of the screw rod through a shaft coupling.

[0010] As a further scheme of the application: the inside of the mounting bracket is further provided with a bearing, and the lower end of the screw rod is embedded in the inside of the bearing and rotatably connected with the bearing.

[0011] As a further scheme of the application: the thermal imager is connected with the input end of the control box through wires, and the control box and the temperature sensor are also connected with the input end of the control box through wires.

[0012] As a further scheme of the application: a sliding groove is formed on the side of the mounting bracket close to the cleaning plate, a sliding rail is slidably installed in the inside of the sliding groove, the cleaning plate is clamped on one side of the sliding rail, and a cleaning pad is arranged on the rear surface of the cleaning plate, and the rear surface of the cleaning pad is in contact with the front surface of the control panel.

[0013] As a further scheme of the application: a positioning pin is symmetrically arranged on one side of the cleaning plate, and a positioning hole is formed on one side of the sliding rail and engaged with the positioning pin.

[0014] As a further scheme of the application: a fixing rod is installed on the inside upper surface of the sliding groove, a lifting rod is penetratingly arranged on the lower end of the fixing rod, and the lower end of the lifting rod is installed at the middle position of the upper surface of the sliding rail.

[0015] As a further scheme of the application: a limiting disc is installed on the upper end of the lifting rod in the inside of the fixing rod, and an electric telescopic rod is installed in the inside of the fixing rod, and the telescopic end of the electric telescopic rod is connected with the upper surface of the limiting disc.

[0016] As a further scheme of the application: a detection method for molten salt tower type photo-thermal power station heat storage includes the following steps:

[0017] S1: first, through the temperature sensor to detect the molten salt temperature inside the heat storage tank in real time, to obtain its internal temperature data and into the control box inside analysis display, while through the liquid level sensor to detect the heat storage capacity and the molten salt storage inside the heat storage tank in real time and into the control box inside analysis display;

[0018] S2: through the control key operation of the front surface of the control box, the adjusting motor can be started, the screw rod can be rotated to make the position of the thermal imager on the moving plate, so that the thermal imaging detector is used to detect the inside of the heat storage tank, and the display condition is transmitted to the inside of the control box for processing, so that the temperature distribution of the surface of the heat storage tank can be directly displayed, so as to judge the heat loss of the heat storage system, whether there is a hot spot or other abnormalities, so as to complete the heat storage detection work of the heat storage tank.

[0019] S3: after detection, through the work of the electric telescopic rod inside the fixed rod, the lifting rod moves downward, and the sliding rail slides in the sliding groove, so that the cleaning plate can move to the front surface of the control box to realize the protection work of the control box, and the control panel can be cleaned.

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] 1. The temperature sensor can detect the temperature inside the heat storage tank in real time, the temperature data analysis can understand the heat storage and release of the heat storage tank, the liquid level sensor can understand the heat storage capacity and the molten salt storage of the heat storage tank, which provides important reference value for the operation and maintenance of the power station, and the thermal imager can directly display the temperature distribution of the surface of the heat storage tank, so as to judge the heat loss of the heat storage system, whether there is a hot spot or other abnormalities, so that the temperature sensor, the liquid level sensor and the thermal imager can realize the detection purpose of the molten salt tower type photo-thermal power station heat storage, and improve the detection effect.

[0022] 2. The work of the adjusting motor can make the screw rotate in the mounting frame, and the moving plate can rotate outside the screw, so that the thermal imager on the moving plate can move up and down to detect different positions of the heat storage tank.

[0023] 3. The work of the electric telescopic rod inside the fixed rod, so that the lifting rod moves in the fixed rod, and the sliding rail slides in the sliding groove, so that the cleaning plate slides on the front surface of the control box, so that the cleaning plate can not only clean the control panel, but also shield the control panel of the control box, so as to achieve the protection purpose. DETAILED DESCRIPTION

[0024] Figure 1It is a structural schematic view of a detection device for heat storage of a molten salt tower type photo-thermal power station;

[0025] Figure 2 It is a structural schematic view of a moving plate in a detection device for heat storage of a molten salt tower type photo-thermal power station;

[0026] Figure 3 It is a structural schematic view of a bearing in a detection device for heat storage of a molten salt tower type photo-thermal power station;

[0027] Figure 4 It is a structural schematic view of a control box in a detection device for heat storage of a molten salt tower type photo-thermal power station;

[0028] Figure 5 It is a structural schematic view of a cleaning plate in a detection device for heat storage of a molten salt tower type photo-thermal power station;

[0029] Figure 6 It is a structural schematic view of a lifting rod in a detection device for heat storage of a molten salt tower type photo-thermal power station.

[0030] In the figure: 1, heat storage tank; 2, mounting frame; 21, moving plate; 22, adjusting motor; 23, screw rod; 24, bearing; 3, cleaning plate; 31, sliding rail; 32, cleaning pad; 33, sliding groove; 34, fixed rod; 341, lifting rod; 342, limiting disc; 343, electric telescopic rod; 35, positioning pin; 351, positioning hole; 4, control box; 41, control key; 42, control panel; 5, temperature sensor; 6, liquid level sensor; 7, thermal imager. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] Embodiment one

[0033] The utility model provides a detection device for molten salt tower type photo-thermal power station heat storage, including heat storage tank 1, the outside of heat storage tank 1 is provided with control box 4, the front surface of control box 4 is provided with control panel 42 and control key 41 from top to bottom respectively, and one side of control box 4 is provided with temperature sensor 5 and liquid level sensor 6 from top to bottom respectively, the detection end of temperature sensor 5 and liquid level sensor 6 penetrates to the inside of heat storage tank 1, the other side of control box 4 is installed with mounting bracket 2 by screw, the inside rotation of mounting bracket 2 is installed with screw rod 23, the outside rotation of screw rod 23 is installed with moving plate 21, the upper surface of moving plate 21 is installed with thermal imager 7 on the one side of screw rod 23, the one side of mounting bracket 2 is slidably installed with cleaning plate 3 in front of control box 4, the utility model discloses utilize temperature sensor 5, liquid level sensor 6 and thermal imager 7 can realize the purpose of high -efficient detection to heat storage tank 1 heat storage.

[0034] Embodiment two

[0035] The upper surface of mounting bracket 2 is installed with adjusting motor 22, the drive end of adjusting motor 22 is connected with the upper end of screw rod 23 through shaft coupling, the inside of mounting bracket 2 is also provided with bearing 24, the lower end of screw rod 23 is embedded in the inside of bearing 24 and is rotationally connected with bearing 24.

[0036] The utility model discloses specifically, the work of adjusting motor 22 will make screw rod 23 rotate, and make the lower end of screw rod 23 rotate in the inside of bearing 24, further can adjust the height of thermal imager 7 on moving plate 21, so that the thermal imager 7 can carry out heat storage detection work to heat storage tank 1 at different heights.

[0037] Embodiment three

[0038] Thermal imager 7 is connected with the input end of control box 4 through wire, control box 4 and temperature sensor 5 are also connected with the input end of control box 4 through wire.

[0039] The utility model discloses specifically, utilize thermal imager 7, control box 4 and temperature sensor 5 are connected with control box 4 through wire, further can realize the purpose that the data of detection are transmitted to the inside processing display of control box 4.

[0040] Embodiment four

[0041] The one side of mounting bracket 2 is close to the position of cleaning plate 3 and is provided with sliding slot 33, the inside of sliding slot 33 is slidably installed with slide rail 31, cleaning plate 3 is clamped on the one side of slide rail 31, and the rear surface of cleaning plate 3 is provided with cleaning pad 32, and the rear surface of cleaning pad 32 is in contact with the front surface of control panel 42.

[0042] The utility model discloses specifically, utilize slide rail 31 to slide in the inside of sliding slot 33, further can adjust the height of cleaning plate 3, further can realize the purpose of control box 4's cleaning shielding protection.

[0043] Embodiment five

[0044] The positioning pin 35 is symmetrically arranged on one side of the cleaning plate 3, and the slide rail 31 is provided with a positioning hole 351 on one side.

[0045] In this embodiment, the positioning pin 35 is embedded in the positioning hole 351, which can facilitate the positioning and installation of the cleaning plate 3.

[0046] Embodiment six

[0047] The fixed rod 34 is installed on the inner upper surface of the sliding groove 33, the lower end of the fixed rod 34 is provided with a lifting rod 341, the lower end of the lifting rod 341 is installed on the upper surface of the slide rail 31 at the middle position, the upper end of the lifting rod 341 is installed with a limiting disc 342 in the fixed rod 34, and the fixed rod 34 is installed with an electric telescopic rod 343, and the telescopic end of the electric telescopic rod 343 is connected to the upper surface of the limiting disc 342.

[0048] In this embodiment, the electric telescopic rod 343 in the fixed rod 34 works, so that the lifting rod 341 moves in the fixed rod 34, and the height of the cleaning plate 3 can be adjusted to achieve the purpose of cleaning and protecting the control box 4.

[0049] Embodiment seven

[0050] A detection method for heat storage of molten salt tower type photo-thermal power station includes the following steps:

[0051] S1: First, the temperature sensor 5 is used to detect the temperature of the molten salt in the heat storage tank 1 in real time, to obtain the temperature data and transmit it to the inside of the control box 4 for analysis and display, and at the same time, the liquid level sensor 6 is used to detect the heat storage capacity and storage condition of the molten salt in the heat storage tank 1 in real time and transmit it to the inside of the control box 4 for analysis and display;

[0052] S2: The control key 41 on the front surface of the control box 4 is operated to start the adjusting motor 22 to work, the screw rod 23 is rotated to move the position of the thermal imager 7 on the moving plate 21, the thermal imager 7 is used to detect the heat storage tank 1, and the display condition is transmitted to the inside of the control box 4 for processing, so that the temperature distribution on the surface of the heat storage tank 1 can be directly displayed, so as to judge the heat loss of the heat storage system, whether there is a hot spot or other abnormalities, so as to complete the heat storage detection of the heat storage tank 1;

[0053] S3: After detection is completed, the fixed rod 34 inside the electric telescopic rod 343 works, so that the lifting rod 341 moves downward, and the slide rail 31 slides inside the sliding groove 33, so that the cleaning plate 3 can be moved to the front surface of the control box 4 to achieve the protection work of the control box 4, and the control panel 42 can be cleaned.

[0054] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than by the above description, and it is therefore intended that all changes and modifications that fall within the meaning and range of equivalency of the elements of the claims are encompassed by the application. No reference signs in the claims should be considered as limiting the scope of the claims to the features to which the reference signs are attached.

[0055] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification need necessarily include every technological feature or combination of technological features. Such description and notation are for the convenience of the reader and are not intended in any way to limit the scope of the present specification to particular embodiments. Individual embodiments of the application can include all the technological features that are recited one or more times and / or combinations thereof.

Claims

1. A detection device for thermal storage of a molten salt tower-based solar thermal power plant, comprising a thermal storage tank (1), characterized in that, The outside of the heat storage tank (1) is provided with a control box (4), the front surface of the control box (4) is provided with a control panel (42) and a control key (41) from top to bottom, and one side of the control box (4) is provided with a temperature sensor (5) and a liquid level sensor (6) from top to bottom, the detection end of the temperature sensor (5) and the liquid level sensor (6) penetrates into the inside of the heat storage tank (1), the other side of the control box (4) is provided with a mounting bracket (2) through screws, the inside of the mounting bracket (2) is rotatably provided with a screw rod (23), the outside of the screw rod (23) is rotatably provided with a moving plate (21), the upper surface of the moving plate (21) is provided with a thermal imager (7) on one side of the screw rod (23), and the one side of the mounting bracket (2) is slidably provided with a cleaning plate (3) in front of the control box (4).

2. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 1, characterized in that, The upper surface of the mounting bracket (2) is provided with an adjusting motor (22), and the driving end of the adjusting motor (22) is connected with the upper end of the screw rod (23) through a shaft coupling.

3. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 1, characterized in that, The inside of the mounting bracket (2) is also provided with a bearing (24), and the lower end of the screw rod (23) is embedded in the inside of the bearing (24) and rotatably connected with the bearing (24).

4. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 1, characterized in that, The thermal imager (7) is connected with the input end of the control box (4) through wires, and the control box (4) and the temperature sensor (5) are also connected with the input end of the control box (4) through wires.

5. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 1, characterized in that, A sliding groove (33) is formed in the position close to the cleaning plate (3) on one side of the mounting bracket (2), a sliding rail (31) is slidably arranged in the inside of the sliding groove (33), the cleaning plate (3) is clamped on one side of the sliding rail (31), and a cleaning pad (32) is arranged on the rear surface of the cleaning plate (3), and the rear surface of the cleaning pad (32) is in contact with the front surface of the control panel (42).

6. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 5, characterized in that, Symmetrical positioning pins (35) are arranged on one side of the cleaning plate (3), and a positioning hole (351) is formed in one side of the sliding rail (31) and matched with the positioning pin (35).

7. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 5, characterized in that, A fixing rod (34) is arranged on the inside upper surface of the sliding groove (33), a lifting rod (341) is arranged penetrating through the lower end of the fixing rod (34), and the lower end of the lifting rod (341) is arranged on the upper surface of the sliding rail (31) at the middle position.

8. The detection device for heat storage of a molten salt tower-based solar thermal power station according to claim 7, characterized in that, A limiting disc (342) is arranged on the inside of the fixing rod (34) at the upper end of the lifting rod (341), and an electric telescopic rod (343) is arranged in the inside of the fixing rod (34), and the telescopic end of the electric telescopic rod (343) is connected with the upper surface of the limiting disc (342).

9. The detection device for heat storage of a molten salt tower-based solar thermal power station according to any one of claims 1-8, characterized in that, A detection method for heat storage of a molten salt tower type photo-thermal power station comprises the following steps: S1: firstly, the temperature sensor (5) is used to detect the molten salt temperature in the inside of the heat storage tank (1) in real time, the temperature data in the inside thereof is acquired and transmitted to the inside of the control box (4) for analysis and display, and meanwhile, the liquid level sensor (6) is used to detect the heat storage capacity and the storage condition of the molten salt in the inside of the heat storage tank (1) in real time and transmit the same to the inside of the control box (4) for analysis and display. S2: through the control box (4) front surface control key (41) operation can start to adjust the motor (22) work, can realize the screw (23) rotation to make the mobile plate (21) on the thermal imager (7) position, so that through the thermal imager (7) to carry out thermal imaging detection inside the heat storage tank (1), and the display situation transmission to the inside of the control box (4) processing, so can directly show the heat storage tank (1) surface temperature distribution, so as to judge the heat storage system heat loss, whether there is hot spot or other abnormal, thus complete the heat storage tank (1) heat storage detection work; S3: after detection through the fixed rod (34) inside the electric telescopic rod (343) work, so that the lifting rod (341) to move down, and make the slide rail (31) in the slide groove (33) inside sliding, so that the cleaning plate (3) to the control box (4) front surface can realize the protection work of the control box (4), and can clean the control panel (42) purpose.

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