CN219121304U - Safety detector and online monitoring system for large-scale bolted storage tank - Google Patents
Safety detector and online monitoring system for large-scale bolted storage tank Download PDFInfo
- Publication number
- CN219121304U CN219121304U CN202320073564.2U CN202320073564U CN219121304U CN 219121304 U CN219121304 U CN 219121304U CN 202320073564 U CN202320073564 U CN 202320073564U CN 219121304 U CN219121304 U CN 219121304U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- data
- safety detector
- storage
- storage module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a safety detector and an online monitoring system for a large-scale bolted storage tank, which belong to the technical field of storage tank monitoring, wherein the safety detector comprises an epoxy stress ring, a steel plate stress strain testing device and a remote displacement meter; the steel plate stress strain testing device is attached to the flat surface of the large-scale bolting storage tank, and the displacement meter is arranged in the deformation area of the wind-resistant ring, the steel plate and the main beam of the large-scale bolting storage tank. The utility model can solve the problems of laggard monitoring mode and untimely early warning of the large enamel bolting storage tank, and ensures the safety of the tank body after completion by a convenient monitoring means.
Description
Technical Field
The utility model relates to the technical field of storage tank monitoring, in particular to a safety detector and an online monitoring system for a large-scale bolted storage tank.
Background
The storage tank monitoring system is aimed at the structural characteristics of a large-scale bolted storage tank, develops a corresponding monitoring device, establishes a remote online monitoring cloud platform and realizes the safety of a remote online monitoring tank body.
The large enamel bolting storage tank is used as an emerging industry in recent decades, and is gradually applied to municipal sewage treatment, biogas fermentation and strategic material storage at home and abroad by virtue of the excellent anti-corrosion performance and bolting, assembling and building technology. Along with the continuous expansion of the use of the tank body, the operation working condition is gradually complicated, the safety requirement on the tank body is higher and higher, however, at present, no targeted safety monitoring method for the large-scale enamel spliced tank body is developed in China, the adopted detection means are still in manual low-efficiency monitoring means, and the following problems are faced:
(1) The instrument data is manually read, the account is registered, and the overhaul workload is large;
(2) The number of the storage tanks and the oil tanks is large, and the operation time is long;
(3) The storage tank is not timely early-warning and the early-warning means are crude;
(4) Monitoring equipment is behind;
(5) Lack of management means, programs and supporting monitoring hardware is deficient, and no perfect service team exists.
The tank body safety is about economic safety, and development of an on-line monitoring system aiming at the structural characteristics of the enamel spliced tank body is of great significance for ensuring the tank body safety.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a safety detector and an online monitoring system for a large-scale bolting storage tank, which can solve the problems of lagging monitoring mode and untimely early warning of the large-scale enamel bolting storage tank and ensure the safety of the tank body after completion through a convenient monitoring means.
In order to achieve the above purpose, the utility model provides a safety detector and an on-line monitoring system for a large-scale bolting storage tank, which comprises an epoxy stress ring, a steel plate stress strain testing device and a remote displacement meter; the steel plate stress strain testing device is attached to the flat surface of the large-scale bolting storage tank, and the displacement meter is arranged in the deformation areas of the wind-resistant ring, the steel plate and the main beam of the large-scale bolting storage tank;
the epoxy stress ring comprises a first metal sheet on the inner side, a first strain sheet positioned in the middle and a first epoxy resin protective layer on the outer side; the first foil is positioned between the bolt cap and the nut of the bolt and is clung to the screw rod of the bolt, the first strain gauge is adhered to the first foil, and the first epoxy resin protective layer is clung to the outer side of the first strain gauge;
the steel plate stress strain testing device comprises a second metal sheet on the inner side, a second strain gauge in the middle and a second epoxy resin protective layer on the outer side; the second metal sheet is attached to the flat surface of the large bolting storage tank;
the displacement meter comprises a measuring rod and a thimble displacement meter body; one end of the measuring rod is contacted with the measuring point, and the other end of the measuring rod is connected with the thimble measuring rod of the thimble displacement meter body.
In one embodiment of the present utility model, the first metal sheet has a ring structure and is disposed around the shaft of the bolt.
In one embodiment of the utility model, the thickness of the first metal sheet and the second metal sheet is 3-5mm.
In one embodiment of the present utility model, the thickness of the first and second epoxy resin protective layers is 2-4mm.
In one embodiment of the present utility model, the ejector pin measuring bar of the needle displacement meter body is connected to the spring, so that the measuring bar is attached to the surface of the area to be measured at any time.
The utility model also provides an online monitoring system for the large-scale bolted storage tank, which comprises the storage tank safety detector, a data acquisition device, a storage module, a data display system and a data safety monitoring center;
the data acquisition device is connected with the storage tank safety detector and the storage module and is used for receiving the acquired data of the storage tank safety detector and forwarding the acquired data to the storage module for storage;
the storage module and the data display system are both arranged on the site of the large bolting storage tank; the storage module is used for storing the acquired data of the storage tank safety detector, and the data display system is connected with the storage module and used for displaying the stored data;
the data security monitoring center is a remote terminal and is used for carrying out wireless data transmission with the storage module, receiving the data stored in the storage module in real time and carrying out online monitoring.
In one embodiment of the present utility model, the first strain gauge, the second strain gauge, and the thimble displacement gauge body are connected to the storage module by a wire.
In an embodiment of the present utility model, a wireless network card is disposed in the storage module, and is configured to wirelessly transmit stored data to the data security monitoring center.
Compared with the prior art, the safety detector and the online monitoring system for the large bolted storage tank have the advantages that different monitoring devices are adopted from the arrangement of the important safety components of the four tank bodies of the main beam, namely the bolts, the steel plates and the wind-resistant rings, the dangerous monitoring points are arranged according to the analysis result of the tank bodies, and the safety detector and the online monitoring system are combined with a computer auxiliary tool and an industrial Internet of things, so that the defects of the traditional monitoring means are overcome, and the development of the monitoring system is completed.
Drawings
FIG. 1 is a schematic diagram of an on-line monitoring system for large bolted storage tanks according to one embodiment of the utility model;
FIG. 2 is a schematic structural view of an epoxy stress ring for a safety detector of a large bolted storage tank according to one embodiment of the utility model;
FIG. 3 is a schematic structural view of a steel plate stress-strain testing device for a safety detector of a large bolted storage tank according to one embodiment of the utility model;
FIG. 4 is a schematic diagram of the structure of a remote displacement meter for a safety detector of a large bolted storage tank according to one embodiment of the utility model;
FIG. 5 illustrates a diagram of the installation location of an epoxy stress ring on a large bolted storage tank according to one embodiment of the utility model;
FIG. 6 is a diagram illustrating the installation location of a steel plate stress-strain testing device of an epoxy stress ring on a large bolted storage tank according to one embodiment of the present utility model;
a diagram of the installation location of an epoxy stress ring on a large bolted storage tank according to one embodiment of the present utility model is shown in fig. 7.
The main reference numerals illustrate:
1-storage tank safety detector, 2-data acquisition device, 3-storage module, 4-data display system, 5-data safety monitoring center, 6-bolt, 7-nut, 101-epoxy stress ring, 1011-first foil, 1012-first foil, 1013-first epoxy resin protective layer, 102-steel plate stress strain testing device, 1021-second foil, 1022-second foil, 1023-second epoxy resin protective layer, 103-remote displacement meter, 1031-measuring rod, 1032-thimble displacement meter body, 1033-bottom plate.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 to 4, according to the safety detector and the on-line monitoring system for the large-scale bolted storage tank according to the preferred embodiment of the utility model, aiming at the problem that the existing large-scale enamel spliced tank safety monitoring means is behind and cannot meet the requirement of remote on-line safety monitoring of the tank, the problems are effectively solved and the safety of the tank monitoring is guaranteed without ensuring the maintenance and repair of the tank after completion and ensuring the safety of the tank.
Fig. 2-7 illustrate a safety detector for a large bolted storage tank of an embodiment of the present utility model, the tank safety detector 1 comprising an epoxy stress ring 101, a steel plate stress strain testing device 102 and a remote displacement gauge 103.
As shown in fig. 2 and 5, an epoxy stress ring 101 is sleeved on the shank of the tank bolt to be pre-tightened, between the bolt cap and the nut. The epoxy stress ring 101 comprises an inner first metal sheet 1011, a first strain gauge 1012 positioned in the middle and a first epoxy resin protection layer 1013 positioned on the outer side, wherein the first metal sheet 1011 is positioned between a bolt cap and a nut of a bolt and is tightly attached to a screw rod of the bolt, the first strain gauge 1012 is attached to the first metal sheet 1011 for detecting the axial deformation of the first metal sheet 1011, and the first epoxy resin protection layer 1013 is attached to the outer side of the first strain gauge 1012 for protecting the first strain gauge 1012 from being corroded by external rainwater. The first strain gauge 1012 is connected to the memory module 3 by a wire.
The first metal sheet 1011 has an annular structure and is disposed around the shaft of the bolt. The thickness of the first metal sheet 1011 is 3-5mm and the thickness of the first epoxy resin protective layer 1013 is 2-4mm.
After the screw pre-tightening of the bolts is completed, axial load is generated on the surface of the first epoxy stress ring 101, the resistance on the first strain gauge 1012 changes along with the compression of the first metal sheet 1011, and the resistance is transmitted into the JM3844 stress strain tester of the data acquisition device 2 through a wire to complete the conversion acquisition of converting mechanical signals into electric signals and transmitted into the data display system 4 to complete the data acquisition of the tank bolt nodes.
As shown in fig. 3 and 6, the steel plate stress-strain testing device 102 is attached to the flat surface of the large bolted storage tank and is used for fixed-point stress-strain measurement of the wind-resistant ring, the steel plate and the main beam of the tank body. The steel plate stress-strain testing device 102 has a structure similar to that of the epoxy stress ring 101, and includes an inner second metal sheet 1021, a second strain gauge 1022 located in the middle, and an outer second epoxy protective layer 1023. The second foil 1021 is attached to the flat surface of the large bolted tank, the second strain gauge 1022 is attached to the second foil 1021, and the second epoxy protective layer 1023 is attached to the outside of the second strain gauge 1022. The second strain gage 1022 is connected to the memory module 3 by a wire.
The thickness of the second metal sheet 1011 is 3-5mm and the thickness of the second epoxy resin protective layer 1013 is 2-4mm.
As shown in fig. 4 and 7, the displacement meter 103 is disposed in the deformation area of the wind-resistant ring, the steel plate and the main beam of the large bolted storage tank, and performs deformation monitoring, and the displacement meter 103 includes a measuring bar 1031, a thimble displacement meter body 1032 and a bottom plate 1033. One end of the measuring bar 1031 is in contact with a measuring point, the other end is connected with a thimble measuring bar of the thimble displacement meter body 1032, and the measuring bar 1031 can perform telescopic movement along the body 1032. The thimble displacement meter body 1032 is secured to the base plate 1033 by a staple. The thimble displacement meter body 1032 is connected to the memory module 3 by a wire.
The ejector pin lever of the needle displacement meter body 1032 is connected with the spring, so that the ejector pin lever is in an outwards extending state at all times, and then the lever 1031 is attached to the surface of the area on the side.
The bottom plate 1033 may be directly mounted on the object to be inspected, i.e., on the surface of the wind-resistant ring, steel plate, girder of the large bolted storage tank; an extended support may also be provided at the mounting location, parallel to the surface of the area to be examined, to mount the base plate 1033 thereto.
The thimble displacement meter body 1032 is provided with a measuring bar 1031 between a fixed point (namely a mounting point on the bottom plate) and a measured point, when the measured point is displaced, the measuring bar 1031 stretches the thimble measuring bar in the displacement sensor through a spring, after the position of the thimble measuring bar is changed, the inductance frequency output by a coil outside the measuring bar is correspondingly changed, and a data processor arranged in the sensor converts the change of the inductance frequency into a digital signal.
Fig. 1 shows an on-line monitoring system for large bolted tanks according to an embodiment of the utility model, comprising a tank safety detector 1, a data acquisition device 2, a storage module 3, a data display system 4 and a data safety monitoring center 5.
The tank safety detector 1 is mounted on a large bolted tank for real-time safety monitoring of the large bolted tank.
The data acquisition device 2 is connected with the storage tank safety detector 1 and the storage module 3 and is used for receiving the acquired data of the storage tank safety detector 1 and forwarding the acquired data to the storage module 3 for storage and display. The data acquisition device 2 adopts a JM3844 stress strain tester.
The storage module 3 and the data display system 4 are both located on site in a large bolted storage tank. The storage module 3 is used for storing the acquired data of the storage tank safety detector 1, and the data display system 4 is connected with the storage module 3 and used for displaying the stored data for field staff to check. The storage module 3 is also provided with a wireless network card for wirelessly transmitting data. The data display system 4 adopts JM3844 automatic display software, and can carry out remote displacement.
The data security monitoring center 5 is a remote terminal and is used for carrying out wireless data transmission with the storage module 3, receiving the data stored in the storage module 3 in real time and carrying out online monitoring. The data security monitoring center 5 can realize remote and real-time checking of the stress strain and displacement of the tank body, and the data security monitoring center 5 can be connected with a computer and a mobile phone, so that detection personnel can check the detection result at the computer end and the mobile phone end.
The specific use flow of the online monitoring system for the large-scale bolting storage tank is as follows:
(1) Selecting a bolt pre-warning force monitoring node and a steel plate monitoring stress strain and deformation monitoring node according to actual engineering experience and simulation analysis results, and numbering the monitoring nodes;
(2) The corresponding safety detection device is preloaded on the tank body according to the installation method of each instrument, and is connected with the data acquisition device and the storage module, and meanwhile, the stability of a power supply is guaranteed;
(3) Opening a host of the storage module and a data display system, and numbering corresponding detection nodes by the data display system to ensure that the number of the monitoring system is consistent with the number of the monitoring point in the step (1);
(4) Opening a monitoring center and corresponding remote control software;
(5) After ensuring that each wire is connected completely and the software is debugged normally, the power supply and the network of the whole detection system are stable, and a complete monitoring system is formed, so that water test can be carried out on the tank body;
(6) And (3) observing the data curves of all monitoring points of the data display system to judge whether the data curves accord with the actual working conditions, checking the corresponding monitoring points if larger deviation occurs, and timely replacing the monitoring points after water test is completed if damage of the monitoring device or poor contact of the lead wires occurs.
(7) After each monitoring node and data display are guaranteed to be correct, the storage module, the data monitoring center and the data acquisition device are placed in the protective cover, so that external environment erosion is avoided.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (8)
1. The safety detector for the large bolted storage tank is characterized by comprising an epoxy stress ring, a steel plate stress strain testing device and a remote transmission displacement meter; the steel plate stress strain testing device is attached to the flat surface of the large-scale bolting storage tank, and the displacement meter is arranged in the deformation areas of the wind-resistant ring, the steel plate and the main beam of the large-scale bolting storage tank;
the epoxy stress ring comprises a first metal sheet on the inner side, a first strain sheet positioned in the middle and a first epoxy resin protective layer on the outer side; the first foil is positioned between the bolt cap and the nut of the bolt and is clung to the screw rod of the bolt, the first strain gauge is adhered to the first foil, and the first epoxy resin protective layer is clung to the outer side of the first strain gauge;
the steel plate stress strain testing device comprises a second metal sheet on the inner side, a second strain gauge in the middle and a second epoxy resin protective layer on the outer side; the second metal sheet is attached to the flat surface of the large bolting storage tank;
the displacement meter comprises a measuring rod and a thimble displacement meter body; one end of the measuring rod is contacted with the measuring point, and the other end of the measuring rod is connected with the thimble measuring rod of the thimble displacement meter body.
2. The safety detector for large bolted tanks of claim 1 wherein the first metal sheet is of annular construction and is looped over the shank of the bolt.
3. The safety detector for large bolted storage tanks of claim 1 wherein the thickness of the first and second foils is 3-5mm.
4. The safety detector for large bolted storage tanks of claim 1, wherein the thickness of the first and second protective layers of epoxy is 2-4mm.
5. The safety detector for large bolted storage tanks of claim 1 wherein the thimble lever of the needle displacement meter body is connected to a spring such that the lever is constantly attached to the surface of the flanked area.
6. An on-line monitoring system for a large bolted storage tank comprising a storage tank safety detector for a large bolted storage tank of claim 1, a data acquisition device, a storage module, a data display system, and a data safety monitoring center;
the data acquisition device is connected with the storage tank safety detector and the storage module and is used for receiving the acquired data of the storage tank safety detector and forwarding the acquired data to the storage module for storage;
the storage module and the data display system are both arranged on the site of the large bolting storage tank; the storage module is used for storing the acquired data of the storage tank safety detector, and the data display system is connected with the storage module and used for displaying the stored data;
the data security monitoring center is a remote terminal and is used for carrying out wireless data transmission with the storage module, receiving the data stored in the storage module in real time and carrying out online monitoring.
7. The on-line monitoring system for a large bolted storage tank of claim 6, wherein said first strain gauge, said second strain gauge, and said thimble displacement meter body are connected to said storage module by wires.
8. The on-line monitoring system for large bolted storage tanks of claim 6 wherein the storage module has a wireless network card disposed therein for wireless transmission of stored data to the data security monitoring center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073564.2U CN219121304U (en) | 2023-01-10 | 2023-01-10 | Safety detector and online monitoring system for large-scale bolted storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073564.2U CN219121304U (en) | 2023-01-10 | 2023-01-10 | Safety detector and online monitoring system for large-scale bolted storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219121304U true CN219121304U (en) | 2023-06-02 |
Family
ID=86532592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320073564.2U Active CN219121304U (en) | 2023-01-10 | 2023-01-10 | Safety detector and online monitoring system for large-scale bolted storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219121304U (en) |
-
2023
- 2023-01-10 CN CN202320073564.2U patent/CN219121304U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102330645A (en) | Health monitoring system and method for wind generator system structure | |
| CN202518951U (en) | Hoisting machine health monitoring system based on fiber bragg grating sensing technology | |
| CN202485639U (en) | Spherical tank health monitoring system based on fiber bragg grating (FBG) sensor technology | |
| CN209148032U (en) | Bridge health monitoring system based on Internet of Things | |
| CN205138791U (en) | Gas turbine engine axial force test sensor confined state detection device | |
| CN109813368B (en) | Steel structure indirect cooling tower risk monitoring system | |
| CN202511931U (en) | Pre-stressed component tension measurement device | |
| CN203100943U (en) | Telescopic type magnetic flux sensing and acquiring device | |
| CN102431918A (en) | Method for judging damage position on steel structure of tower body of tower crane | |
| CN219121304U (en) | Safety detector and online monitoring system for large-scale bolted storage tank | |
| CN211528053U (en) | Bending resistance test system for single-column leg of three-column insulator of GIL equipment | |
| KR20100117214A (en) | Pipe spring hanger load confidence testing method & measure jig system | |
| CN110702161A (en) | Device and method for monitoring and positioning dropping of pins of insulators of transmission towers | |
| CN114414180B (en) | Safety monitoring system of temporary structure for bridge construction | |
| CN115979116A (en) | Safety detector and online monitoring system for large bolted storage tank | |
| CN115711808A (en) | Strain-based structural health monitoring system and monitoring method for outdoor gas-insulated metal-enclosed thin-wall pipeline | |
| CN202304788U (en) | Device for measuring prestress tension elongation | |
| CN211694033U (en) | Testing device for swing-arm crane | |
| CN114708251A (en) | Bolt pretightening force monitoring system, monitoring method and equipment and storage medium | |
| CN114166397A (en) | Cable integrated tension monitoring device and monitoring method | |
| CN114563040A (en) | Hydropower station hydraulic tunnel monitoring system and working method thereof | |
| CN104743445B (en) | Safety of tower crane device for detecting performance based on communicating pipe and attitude and the method for analysis thereof | |
| CN213516129U (en) | Steel strand stay cable force detection device | |
| Wu et al. | Development of offshore platform stress monitoring system based on Internet of Things technology | |
| KR200239172Y1 (en) | Measurable bridge bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |