Health monitoring equipment for hot water energy storage tank

A technology of health monitoring and energy storage tank, which is applied in the measurement, container, packaging and other directions by measuring the frequency change force of the stressed vibrating element, which can solve the problems of unification and achieve the effect of ensuring safe operation and early warning of damage

Pending Publication Date: 2021-07-09
STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INST CO LTD
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AI-Extracted Technical Summary

Problems solved by technology

Moreover, the design and construction of such tanks have not yet formed a unified technical standard. Therefore, the health monitoring of the operation status of the built project (referring to the use of on-site non-damage monitoring methods to obtain internal information of the ...
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Method used

According to the hot water energy storage tank health monitoring equipment of the embodiment of the present invention, by arranging a plurality of vibrators for observing the stress changes of each part of the hot water energy storage tank 1 on the outer surface of the hot water energy storage tank 1 String sensors, and data collectors capable of acquisition, pre-processing and pre-storage7. Thus, the staff can obtain the stress distribution data 10 of each part of the hot water energy storage tank 1 , grasp the working status of each part of the hot water energy storage tank 1 in real time, and then be able to warn damage in time and ensure the safe operation of the equipment.
In addition, as shown in Figure 2, connect by field bus RS485 between vibrating wire type sensor and data acquisition instrument 7, hot water energy storage tank health monitoring equipment also comprises wireless communication module 8, and data acquisition instrument 7 passes wireless communication The module 8 is connected with the computer 9, so that the data is transmitted to the computer 9 for storage. At the same time, the computer 9 connected to the data acquisition instrument 7 through the wireless communication module 8 can also transmit the stress distribution data 10 to other computers 9 through the Internet, which facilitates the real-time monitoring of the hot water energy storage tank 1 .
In some embodiments, the hot water energy storage tank health monitoring equipment also includes a ladder 13, the ladder 13 is installed on the side wall surface of the tank body 11 and extends spirally around the axis of the tank body 11, and a plurality of second vibrating wires The sensor 3 is adjacent to the climbing ladder 13 . Therefore, the installation and disassembly of the second vibrating wire sensor 3 on the side wall surface of the tank body 11 is simple and convenient, and is convenient for maintenance.
Specifically, as shown in Figure 1, the quantity of the 5th vibrating wire type sensor 6 is two, on the projection plane parallel to the cross section of tank body 11, the projection of two 5th vibrating wire type sensor 6 The longitudinal direction of the tank body 11 is consistent with the radial direction of the tank body 11, and the longitudinal directions of the projections of the two fifth vibrating wire sensors 6 are vertical. The junction of the tank body 11 and the tank cover 12 has the largest stress and strain under the action of wind load, and a fifth vibrating wire sensor 6 is additionally arranged near the junction of the two to ensure reliable monitoring of this location.
Specifically, as shown in Figure 1, the tank body 11 is a wind-resistant ring in the area between 28m-32m in height, which is a relatively large position of stress and strain, and is provided with a vertical arrangement at a height of 30m The third vibrating wire sensor 4, combined with the second...
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Abstract

The invention provides health monitoring equipment for a hot water energy storage tank. The health monitoring equipment comprises a hot water energy storage tank body, a plurality of vibrating wire sensors and a data acquisition instrument, wherein the plurality of vibrating wire sensors are fixed on the outer surface of the hot water energy storage tank body, and each of the plurality of vibrating wire sensors is connected to the data acquisition instrument. The health monitoring equipment for the hot water energy storage tank has the advantages that the working state of each part of the hot water energy storage tank body is mastered in real time, the stress distribution condition of key parts of the hot water energy storage tank body is obtained, damage is early warned in time, and safe operation of the equipment is guaranteed.

Application Domain

Force measurement by measuring frquency variationsLarge containers

Technology Topic

Thermal waterEnvironmental engineering +6

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  • Health monitoring equipment for hot water energy storage tank
  • Health monitoring equipment for hot water energy storage tank

Examples

  • Experimental program(1)

Example Embodiment

[0023] An example of the present invention will be described in detail below, and an example of the embodiment is shown in the drawings. The following is exemplary, and is intended to be used to illustrate the invention without understanding the limitation of the invention.
[0024] Bonded below figure 1 with figure 2 A hot water reservoir health monitoring apparatus is described in accordance with an embodiment of the present invention.
[0025] The hot water reservoir health monitoring apparatus according to an embodiment of the present invention includes a hot water reservoir 1, a vibrating sensor, and a data acquisition device 7. The number of vicin type sensors is plural, and the plurality of damper sensors are fixed to the outer surface of the hot water reservoir 1. Each of a plurality of vicinity sensors is connected to the data acquisition instrument 7.
[0026] Specifically, the hot water reservoir 1 of the present embodiment is preferably a non-anchored hot water reservoir can, and a plurality of damper sensors are distributed at a critical position of the outer surface of the hot water storage can 1 to observe hot water storage. The maximum strain and maximum deflection or displacement of the outer surface of the can 1. The data acquisition instrument 7 can collect, preprocess, and pre-store the signal output from the vicinity sensor, and finally derive stress distribution data 10.
[0027] According to an embodiment of the present invention, a sline sensor is provided by a plurality of stress-made cells for observing the stress of the hot water reservoir 1 on the outer surface of the hot water storage can 1. And can collect, preprocessing, and pre-stored data acquisitioners 7. As a result, the staff can obtain the stress distribution data 10 of each portion of the hot water reservoir 1, and the working state of each portion of the hot water reservoir 1 is grasped in real time, and in turn, it is possible to warwer damage to ensure safe operation of the equipment.
[0028] Moreover, the hot water storage can health monitoring equipment also provides direct field test models, test systems and test data, etc., and can accumulate the construction experience of large hot water storage tanks, and can accumulate large-scale hot water storage tanks to study the environmental role of large hot water storage tanks. Further, improve the construction technology of large hot water storage tanks in my country.
[0029] In addition, if figure 2 As shown, the spine sensor and the data acquisition device 7 are connected between the field bus RS485, and the hot water storage can health monitoring device also includes a wireless communication module 8, and the data acquisition instrument 7 is connected to the computer 9 through the wireless communication module 8. This is transferred to the computer 9 stored. At the same time, the computer 9 connected to the data acquisition instrument 7 through the wireless communication module 8 can also transmit the stress distribution data 10 to other computers 9, which is convenient for real-time monitoring of hot water storage can 1.
[0030] In some embodiments, the data acquisition device 7 is a cinex collector.
[0031] Specifically, the data acquisition device 7 is a BGK-Micro 40 vibrating collector, and the wireless communication module 8 is a BGK-Micro-40-WD-type wireless transmission station, and the hot water storage can health monitoring equipment constitutes BGK-Micro 40 distribution Network monitoring system, the entire system consists of monitoring center computer network, security monitoring system software (or G Cloud Platform), BGK-Micro40 Automation Data Acquisitioner 7, sensor, and intelligent instrument (independently as an instrument of network nodes), etc. Automatic measurements, data processing, chart production, and abnormal value-added operations of various engineering safety monitoring instruments can be completed. As a result, the thermal water reservoir health monitoring device composed of BGK-Micro 40 distributed network monitoring system has higher degree of testing of thermal water storage can 1.
[0032] In some embodiments, each of the plurality of vicinoid sensors is bonded to the outer surface of the hot water reservoir 1. Thus, the mounting of the spine sensor in the hot water storage can 1 does not affect the structural properties of the thermal water storage can 1, and by bonding, the spine sensor is in hot water storage can 1 The installation is simple and convenient.
[0033] In some embodiments, the hot water reservoir 1 includes a tank 11, the spray type sensor includes a first damper sensor 2, and the first damper sensor 2 is provided in the bottom wall surface of the can body 11 adjacent to the can body 11. Side wall surface.
[0034] Specifically, the upper end of the can body 11 is opened and welded by the can wall and the bottom, and the first damper sensor 2 is provided in the vicinity of the bottom weld of the can body 11, and the stress strain at the weld position is large. Thereby, by providing the first damper sensor 2, the stress change at the weld position can be monitored in real time to ensure sufficient monitoring of the key position of the hot water storage can 1.
[0035] In some embodiments, the number of the first void sensor 2 is eight, and the four first damper sensors 2 in eight first damper sensors 2 are vertically arranged and along the circumference of the can body 11. The equivalence distribution, the other four first damper sensors 2 are arranged laterally and distributed along the circumferential intervals of the can body 11.
[0036] Specifically, the spine sensor is a long strip, and the vertical arrangement of the first damper sensor 2 refers to the vertical direction of its length, the first damper sensor 2 is mainly used to monitor the tank 11 vertical direction. The strain under load. Similarly, the first dampening sensing of the laterally arranged is mainly used to monitor the effect of the tank 11 circumferential load. Thereby, the stress monitoring sensitivity and reliability of the weld of the can body 11 are higher.
[0037]In some embodiments, the cinex sensor further includes a second damper sensor 3, and the number of the second vane sensor 3 is plural, and the plurality of second damper sensors 3 are arranged laterally and along the can body 11. The axial interval is distributed on the side wall surface of the tank 11.
[0038] Specifically, the can wall of the can body 11 is mainly subjected to a circumferential load, and by providing a plurality of laterally arranged second damper sensors 3 from the side wall surface of the can body 11, the tank 11 weeks can be monitored. The effects of the action ensure real-time monitoring and timely warning of cans of the can body 11.
[0039] In some embodiments, the hot water reservoir health monitoring apparatus also includes a ladder 13, and the ladder 13 is mounted on the side wall surface of the can body 11 and extends about the axis of the tank 11, and a plurality of second damper sensors 3 adjacent. Climb 13. Thereby, the second vibrating sensor 3 is simple and convenient to facilitate the installation and detachment of the side wall surface of the can body 11.
[0040] In some embodiments, the height difference of the adjacent two second damper sensors 3 is incremented by the underhest.
[0041] Specifically, the circumferential load of the side wall surface of the can body 11 increases by the lower to top, so the second damper sensor 3 of the lower half of the side wall surface of the can body 11 is disposed, the side wall surface of the can body 11 is arranged. The second spray sensor 3 provided in the upper half is sparse, thereby causing both stress monitoring of the side wall surface of the can body 11, saving instrument equipment, reducing information communication, avoiding human financial waste, At the same time, the monitoring work has been highlighted.
[0042] In some embodiments, the spine sensor further includes a third damper sensor 4, and the third damper sensor 4 is vertically disposed at the side wall surface of the can body 11, and the height of the third damper sensor 4 is 28m- 32M.
[0043] Specifically, such as figure 1 As shown, the area of ​​the can body 11 is between the height of 28 m to 32 m is an anti-wind ring, which is a position where the stress and the larger, and the third damper sensor 4 is disposed vertically at a height of 30 m. A second damper sensor 3 is provided in a laterally arranged in the antiboline, thereby achieving monitoring of strain under vertical load and circumferential load at the anti-winding row, high monitoring and reliability at the wind.
[0044] In some embodiments, the can body 11 is provided with a drain opening 14 adjacent to the side wall surface of the bottom wall, and the spine sensor further includes a fourth damper sensor 5, and the number of fourth damper sensor 5 is plural. The fourth zone sensor 5 is distributed on the side wall surface of the can body 11 along the circumferential interval of the drain outlet 14.
[0045] Specifically, the number of fourth vane sensor 5 is four, four fourth vane sensing, along the circumferential interval distribution of the drainage port 14, the length direction and drainage port 14 of the fourth vibrating sensor 5 The radiality is consistent. The fourth zone sensor 5 adjacent the drainage port 14 and can monitor the strain of the outer wall surface of the can body 11 in the water supply port 14 weeks to ensure a reliable monitoring of the vicinity of the drain outlet 14.
[0046] In some embodiments, the hot water reservoir 1 further includes a can cover 12 above the can body 11, and the spine sensor further includes a fifth vibrating sensor 6, and the fifth damper sensor 6 is disposed in a can cover. 12 The top wall surface is adjacent to the side wall surface of the tank 11.
[0047] Specifically, such as figure 1 As shown, the number of the fifth damper sensor 6 is two, and on the projection surface parallel to the cross section of the can body 11, the length of the projection of the two fifth damper sensor 6 and the path of the can body 11 As a result, the length of the projection of the two fifth vane sensor 6 is vertical. The junction of the can body 11 and the can 12 is in the wind load, and the stress strain is maximum, and the fifth vibration sensor 6 is added to the vicinity of the two to ensure reliable monitoring of this position.
[0048] In the description of the invention, it is to be understood that the terms "center", "longitudinal", "horizontal", "length", "width", "thickness", "upper", "under", "front", " After "," left "," right "," vertical "," horizontal "," top "," bottom "," outside "," clockwise "," counterclock "," axial ", The orientation or positional relationship of "radial", "circumferential" or the like is based on the orientation or positional relationship shown in the drawings, is merely described in the present invention and simplified description, rather than indicating or implying means of means or components. There must be a specific orientation, constructed and operated in a particular direction, and thus is not to be construed as limiting the invention.
[0049] Moreover, the term "first", "second" is used only for the purpose of describing, and cannot be understood as an indication or implicit relative importance or implicitting the number of techniques indicated. Thus, features with "first", "second" may be indicated or implicitly including at least one of this feature. In the description of the invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.
[0050] In the present invention, the terms "installation", "connected", "connection", "fixed", such as the term "mount", "connected", "linked", "fixed", unless otherwise expressly specifically understood, for example, can be a fixed connection, or a detachable connection Or integral; may be mechanical connection, or electrical connection or communication with each other; can be directly connected, or indirectly connected by an intermediate medium, which can be an interaction between two components or two components. Unless otherwise clear. For those skilled in the art, the specific meaning of the above terms can be understood in terms of specific cases.
[0051] In the present invention, unless otherwise expressly specified and defined, the first feature may be in direct contact between the first and second features, or the first and second features through the intermediate media. contact. Moreover, the first feature "above", "above" and "upper", but the first feature is above or obliquely above the second feature, or only means that the first feature level is higher than the second feature. The first feature "under" lower "," below "and" below "may be that the first feature is below the second feature or below, or only means that the first feature level is less than the second feature.
[0052] In the present invention, the term "one embodiment", "some embodiments", "example", "specifically example", or "some example", etc., meant to combine the specific features, structures, materials, or in combination of the examples or examples. Features are included in at least one embodiment or example of the present invention. In the present specification, schematic representations of the above terms are not necessarily directed to the same embodiments or examples. Moreover, the specific features, structures, materials or features described may be combined in any one or more embodiments or examples. In addition, in the case of non-conflict, those skilled in the art can combine and combine different embodiments or features described in this specification.
[0053] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary, and cannot be understood as limiting the invention, and those of ordinary skill in the art can be described above. EXAMPLES Change, modify, replace, and variants.

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