CN218027882U - Outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing - Google Patents
Outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing Download PDFInfo
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- CN218027882U CN218027882U CN202221991095.4U CN202221991095U CN218027882U CN 218027882 U CN218027882 U CN 218027882U CN 202221991095 U CN202221991095 U CN 202221991095U CN 218027882 U CN218027882 U CN 218027882U
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Abstract
The utility model belongs to the technical field of sedimentation monitoring of a storage tank foundation, in particular to an external floating roof storage tank foundation sedimentation monitoring device based on optical fiber sensing, which comprises a connecting pipe, wherein a detection assembly is also arranged on the connecting pipe; the detection assembly comprises a barrel, a bottom plate, a top plate, a floating plate, an air bag, a fixing plate, a reflecting plate and an optical fiber liquid level instrument, wherein the upper end and the lower end of the barrel are fixedly connected with the top plate and the bottom plate respectively, the bottom plate is fixedly connected with a connecting pipe through a through hole formed in the bottom plate, the lower surface of the top plate is fixedly connected with the optical fiber liquid level instrument, the detection assembly is arranged on the device, a user can pass through the detection assembly and can more accurately and sensitively detect reflected light signals of the reflecting plate than a detection mode of reflected light signals of the liquid level, and a protection assembly is added to the mechanism, so that the phenomenon that the reflecting plate touches the optical fiber liquid level instrument due to rising of the liquid level can be avoided, and the damage to the optical fiber liquid level instrument is avoided.
Description
Technical Field
The utility model belongs to the technical field of storage tank foundation settlement monitoring, concretely relates to outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing.
Background
The state of a large storage tank is constantly changed in the operation process, tiny changes are difficult to be perceived by naked eyes, once the bearing capacity of a tank bottom foundation is weakened by micro leakage caused by the tearing of the tank bottom of an oil tank, the storage tank foundation is damaged under the pressure of crude oil on the storage tank foundation, the crude oil is gushed out in large quantities, serious accidents of the storage tank can be caused, an oil depot is built in a sea filling mode, the storage tank foundation is weak due to reasons such as short construction period, and if the situation is not found in time in the working process, the foundation collapse condition is easy to occur, and serious loss is caused;
subject to public (bulletin) number: CN208136975U discloses outer floating roof storage tank basis settlement monitoring devices and storage tank basis based on optical fiber sensing, and this technique discloses "including being used for fixing the fixed plate on the storage tank basis, the fixed plate is provided with the liquid communicating pipe that is used for communicateing the storage tank, is provided with detection mechanism on the fixed plate, and detection mechanism's corresponding pipe is linked together with the liquid communicating pipe. The device for monitoring the foundation settlement of the outer floating roof storage tank is arranged on the basis of the storage tank, if the foundation of the storage tank is deformed, the liquid level in each monitoring device is changed, the relative value of the foundation settlement can be obtained by comparing the liquid levels of the two symmetrical monitoring devices, and the value is alarmed when exceeding a standard specified value, so that the purpose of monitoring the foundation settlement of the outer floating roof storage tank in real time is realized, and the occurrence of major accidents caused by overlarge foundation settlement of the storage tank in an oil depot tank area is avoided;
although the design arranges the outer floating roof storage tank foundation settlement monitoring devices on the storage tank foundation, if the storage tank foundation deforms, the liquid level in each monitoring device changes, the relative value of the foundation settlement can be obtained by comparing the liquid levels of the two symmetrical monitoring devices, and an alarm is given when the value exceeds a standard specified value, but an optical signal reflected by the liquid level is detected by the optical fiber level gauge, the optical signal reflected by the liquid level is used for determining the settlement displacement of the storage tank foundation to be detected, and the detection precision and sensitivity are not very high;
in order to solve the problems, the application provides an outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an outer floating roof storage tank basis settlement monitoring device based on optical fiber sensing has the characteristics that improve detection accuracy and sensitivity.
In order to achieve the above object, the utility model provides a following technical scheme: the device for monitoring the foundation settlement of the outer floating roof storage tank based on optical fiber sensing comprises a connecting pipe, wherein a detection assembly is also arranged on the connecting pipe;
the detection assembly comprises a barrel, a bottom plate, a top plate, a floating plate, an air bag, a fixed plate, a reflecting plate and an optical fiber liquid level instrument, wherein the upper end and the lower end of the barrel are fixedly connected with the top plate and the bottom plate respectively, the bottom plate is fixedly connected with a connecting pipe through a through hole formed in the bottom plate, the lower surface of the top plate is fixedly connected with the optical fiber liquid level instrument, the floating plate is installed in the barrel, the floating plate is acted on by buoyancy of liquid in the barrel and floats in the barrel, the upper surface of the floating plate is fixedly connected with the air bag, the upper surface of the air bag is fixedly connected with the fixed plate, the upper surface of the fixed plate is fixedly connected with supporting rods which are arranged in an equidistant mode through three supporting rods, and the reflecting plate is located below the optical fiber liquid level instrument.
As the utility model discloses outer top storage tank basis settlement monitoring device is preferred based on optical fiber sensing, determine module still includes slip ring and dead lever, the outside of kickboard is through four connecting rod fixedly connected with that the equidistance form was arranged the slip ring, the bottom plate with four fixedly connected with between the roof are that the equidistance forms are arranged the dead lever, the slip ring cover is established the dead lever outside.
As the utility model discloses outer floating roof storage tank basis settlement monitoring device based on optical fiber sensing is preferred, still includes protection component, protection component includes spring and fixed block, the outside top cover of dead lever is equipped with the spring, the top of spring with roof fixed connection, the bottom fixedly connected with of spring the fixed block, the fixed block is in through the through-hole of seting up the outside of dead lever is slided.
As the utility model discloses outer floating roof storage tank basis settlement monitoring device based on optical fiber sensing is preferred, the protection component still includes the buffer block, the buffer block is in through the through-hole of seting up the outside of dead lever is slided, the upper surface of buffer block with the lower fixed surface of fixed block is connected.
Compared with the prior art, the beneficial effects of the utility model are that:
the detection assembly is arranged on the device, a user can pass through the detection assembly and can reflect light signals through the reflecting plate, so that the detection mode is more accurate and sensitive than the detection mode through the liquid level reflected light signals, the protection assembly is added to the mechanism, the phenomenon that the reflecting plate touches the optical fiber liquid level instrument due to the rising of the liquid level can be avoided, and the damage to the optical fiber liquid level instrument is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a detecting assembly according to the present invention;
FIG. 3 is a schematic structural view of the fiber optic liquid level meter of the present invention;
fig. 4 is a schematic structural view of the fixing rod of the present invention;
fig. 5 is a schematic structural view of the middle reflection plate of the present invention;
FIG. 6 is a schematic structural view of the air bag of the present invention;
fig. 7 is a schematic structural view of a slip ring according to the present invention;
fig. 8 is a schematic structural view of the middle protection assembly of the present invention.
In the figure:
1. a connecting pipe;
2. a detection component; 21. a barrel; 22. a base plate; 23. a top plate; 24. a floating plate; 25. an air bag; 26. A fixing plate; 27. a reflective plate; 28. an optical fiber liquid level meter; 29. a slip ring; 210. fixing the rod;
3. a guard assembly; 31. a spring; 32. a fixed block; 33. and a buffer block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1:
outer floating roof storage tank basis settlement monitoring devices based on optical fiber sensing includes connecting pipe 1.
In this embodiment: connecting pipe 1 communicates with the storage tank of peripheral hardware, the change of liquid level in the storage tank like this, also can be acted on the liquid level in connecting pipe 1, the change of liquid level also can be acted on the change of liquid level in the transparent cylinder that connecting pipe 1 communicates each other in the same storage tank, if storage tank basis warp, the liquid level in the transparent cylinder that is connected with connecting pipe 1 will change, the relative value that the basis subsides can be obtained to the liquid level through two transparent cylinders of contrast symmetry, report to the police when this value exceedes standard specified value, thereby the mesh of floating top storage tank basis subsides outward has been realized in real-time supervision, but accuracy and the sensitivity that detect the liquid level are not very high, still need further improve the accuracy and the sensitivity that detect.
Further, the following steps:
a sensing unit 2 is also mounted on the connection pipe 1.
Further, the method comprises the following steps:
as shown in fig. 1-7:
in combination with the above: this detection subassembly 2 includes barrel 21, bottom plate 22, roof 23, kickboard 24, gasbag 25, fixed plate 26, reflecting plate 27 and optic fibre liquid level appearance 28, barrel 21's upper and lower both ends are fixedly connected with roof 23 and bottom plate 22 respectively, bottom plate 22 is through the through-hole and the connecting pipe 1 fixed connection who offers, the lower fixed surface of roof 23 is connected with optic fibre liquid level appearance 28, install kickboard 24 in the barrel 21, kickboard 24 receives the buoyancy of barrel 21 interior liquid to act on and floats in barrel 21, the last fixed surface of kickboard 24 is connected with gasbag 25, the last fixed surface of gasbag 25 is connected with fixed plate 26, the upper surface of fixed plate 26 is through three bracing piece fixedly connected with reflecting plate 27 that the equidistance form was arranged, reflecting plate 27 is located the below of optic fibre liquid level appearance 28.
In this embodiment: when using, with the liquid in the connecting pipe 1 of storage tank intercommunication each other, can enter into the staving, between bottom plate 22 and the roof 23, liquid can act on kickboard 24 this moment, make kickboard 24 float, gasbag 25 on the kickboard 24 can make showy effect better, install reflecting plate 27 on the fixed plate 26 on the gasbag 25, the light signal that optic fibre liquid level appearance 28 sent can be reflected to reflecting plate 27, reflect light signal through reflecting plate 27, it is more sensitive than reflecting light signal through the liquid level.
It should be noted that: the cable of the optical fiber liquid level instrument 28 penetrates out of the top plate 23 to be connected with external equipment and used for transmitting corresponding signals, the optical fiber liquid level instrument 28 adopts a float type optical fiber grating sensing principle, light is used as a sensing and signal transmission medium, the optical fiber liquid level instrument is uncharged, and the optical fiber liquid level instrument is safer in the operation process.
It should be noted that: the number of detection component 2 and connecting pipe 1 is a plurality of to be central symmetry arrangement on the storage tank with connecting pipe 1 intercommunication, be convenient for like this monitor the storage tank basis of each direction and subside.
It should be noted that: the top plate 23 is also connected with a vent pipe through a through hole, so that the atmospheric pressure in the cylinder 21 is consistent with the outside, and the influence on the normal floating of the floating plate 24 is avoided.
It should be noted that: the floating plate 24 is made of a plate material with strong buoyancy, and the air bag 25 is made of a rubber material and filled with air, so that good floating can be realized.
Further, the method comprises the following steps of;
in an alternative embodiment, the detecting assembly 2 further comprises a sliding ring 29 and fixing rods 210, the sliding ring 29 is fixedly connected to the outer side of the floating plate 24 through four connecting rods arranged in an equidistant manner, the four fixing rods 210 arranged in an equidistant manner are fixedly connected between the bottom plate 22 and the top plate 23, and the sliding ring 29 is sleeved on the outer side of the fixing rods 210.
In this embodiment: through the slip ring 29 on the connecting rod connected with the floating plate 24, the slip ring 29 can slide on the fixing rod 210, so that the moving position of the floating plate 24 can be limited by the slip ring 29 and the fixing rod 210, the floating plate 24 can only move up and down, the floating plate 24 is always positioned under the optical fiber liquid level instrument 28, and the detection accuracy can be higher.
As shown in fig. 8:
this outer top storage tank basis settlement monitoring device floats based on optical fiber sensing still includes, still includes protection component 3, and protection component 3 includes spring 31 and fixed block 32, and the outside top cover of dead lever 210 is equipped with spring 31, the top and the roof 23 fixed connection of spring 31, the bottom fixedly connected with fixed block 32 of spring 31, and fixed block 32 slides in the outside of dead lever 210 through the through-hole of seting up.
In this embodiment: when the liquid level rises to drive the reflection plate 27 to move upwards, the spring 31 and the fixing block 32 arranged at the bottom end of the spring 31 can limit the movement of the sliding ring 29 on the fixing rod 210, so that the reflection plate 27 is prevented from contacting the optical fiber liquid level instrument 28, and the optical fiber liquid level instrument 28 is prevented from being damaged.
Further, the method comprises the following steps of;
in an alternative embodiment, the protection component 3 further includes a buffer block 33, the buffer block 33 slides outside the fixing rod 210 through a through hole, and an upper surface of the buffer block 33 is fixedly connected with a lower surface of the fixing block 32.
In this embodiment: the buffer block 33 is made of an elastic material, and can play a good role in buffering, so that collision caused by direct contact between the fixed block 32 and the fixed block 32 can be avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Outer floating roof storage tank basis settlement monitoring device based on optical fiber sensing, including connecting pipe (1), its characterized in that: the connecting pipe (1) is also provided with a detection assembly (2);
detection element (2) include barrel (21), bottom plate (22), roof (23), kickboard (24), gasbag (25), fixed plate (26), reflecting plate (27) and optic fibre liquid level appearance (28), the upper and lower both ends difference fixedly connected with of barrel (21) roof (23) with bottom plate (22), bottom plate (22) through the through-hole seted up with connecting pipe (1) fixed connection, the lower fixed surface of roof (23) is connected with optic fibre liquid level appearance (28), install in barrel (21) kickboard (24), kickboard (24) receive the buoyancy of liquid in barrel (21) to be in float in barrel (21), the upper surface fixed connection of kickboard (24) has gasbag (25), the upper surface fixed connection of gasbag (25) fixed plate (26), the upper surface of fixed plate (26) is through three bracing piece fixed connection that the equidistance form was arranged reflection board (27), reflecting plate (27) are located the below of optic fibre liquid level appearance (28).
2. The optical fiber sensing-based external floating roof tank foundation settlement monitoring device of claim 1, wherein: the detection assembly (2) further comprises a sliding ring (29) and a fixing rod (210), the outer side of the floating plate (24) is fixedly connected with the sliding ring (29) through four connecting rods which are arranged in an equidistant mode, the four fixing rods (210) are fixedly connected between the bottom plate (22) and the top plate (23) in an equidistant mode, and the sliding ring (29) is sleeved on the outer side of the fixing rod (210).
3. The optical fiber sensing-based external floating roof tank foundation settlement monitoring device of claim 2, wherein: still include protection component (3), protection component (3) include spring (31) and fixed block (32), the outside top cover of dead lever (210) is equipped with spring (31), the top of spring (31) with roof (23) fixed connection, the bottom fixedly connected with of spring (31) fixed block (32), fixed block (32) are in through the through-hole of seting up the outside of dead lever (210) slides.
4. The optical fiber sensing-based external floating roof tank foundation settlement monitoring device of claim 3, wherein: the protection component (3) further comprises a buffer block (33), the buffer block (33) slides outside the fixed rod (210) through an opened through hole, and the upper surface of the buffer block (33) is fixedly connected with the lower surface of the fixed block (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991095.4U CN218027882U (en) | 2022-07-31 | 2022-07-31 | Outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991095.4U CN218027882U (en) | 2022-07-31 | 2022-07-31 | Outer floating roof storage tank foundation settlement monitoring device based on optical fiber sensing |
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| CN218027882U true CN218027882U (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499888A (en) * | 2023-06-29 | 2023-07-28 | 德阳市产品质量监督检验所 | Pressure testing device and pressure testing method for pressure container |
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2022
- 2022-07-31 CN CN202221991095.4U patent/CN218027882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499888A (en) * | 2023-06-29 | 2023-07-28 | 德阳市产品质量监督检验所 | Pressure testing device and pressure testing method for pressure container |
| CN116499888B (en) * | 2023-06-29 | 2023-09-01 | 德阳市产品质量监督检验所 | Pressure testing device and pressure testing method for pressure container |
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