CN220097352U - Device for monitoring sedimentation of bottom of normal-pressure storage tank - Google Patents
Device for monitoring sedimentation of bottom of normal-pressure storage tank Download PDFInfo
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- CN220097352U CN220097352U CN202221975581.7U CN202221975581U CN220097352U CN 220097352 U CN220097352 U CN 220097352U CN 202221975581 U CN202221975581 U CN 202221975581U CN 220097352 U CN220097352 U CN 220097352U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 238000004062 sedimentation Methods 0.000 title claims abstract description 29
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- 230000003068 static effect Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 238000012806 monitoring device Methods 0.000 description 7
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a device for monitoring sedimentation of the bottom of an atmospheric storage tank, which comprises a base, a scale, a fixed film, a connecting film, a movable ring and bolts, wherein the base comprises a rectangular panel and a hollow cylindrical tube, the scale is arranged above the base, the scale is a hollow cylindrical bar, the outer surface of the scale is provided with a display distance and millimeter scales, the upper end of the scale is connected, the movable ring is connected with the bolts through threads, the bolts are limited on the connecting layer by the fixed layer, and the connecting layer is stuck on the side surface of the bottom of the atmospheric storage tank body. According to the device for monitoring the sedimentation of the bottom of the normal pressure storage tank, the sedimentation amplitude of the normal pressure storage tank can be visualized as the descending distance of the scale, and meanwhile, according to the descending length of the scale, the inclination amplitude can be obtained through calculation, so that the whole device is simple in structure, and the installation process is rapid and convenient; the part connected with the storage tank can be disassembled, so that secondary and repeated use can be supported; the device can be adapted to storage tanks of different heights, sizes and uses.
Description
Technical Field
The utility model relates to the technical field of settlement monitoring, in particular to a tank bottom settlement monitoring device of an atmospheric storage tank.
Background
The normal pressure storage tank is a steel welding storage tank with the design pressure less than 0.1MPa and built on the ground for storing liquid media such as petroleum, chemical industry and the like which are not artificially refrigerated and have no severe toxicity. The storage tank is widely used in petrochemical production, and is used for storing various raw oil, semi-finished oil, aromatic hydrocarbon products, liquefied gas and the like in the oil refining industry. The atmospheric storage tank typically has a nipple in direct communication with the atmosphere, always maintaining the operating pressure within the tank no greater than the design pressure.
The sedimentation of the tank is mainly caused by pressure change and displacement of the tank or the ground surface below the tank or the foundation thereof, and as a result, the tank is deformed or cracked due to the excessive external force. If the subsidence is slight, it will not generally have major adverse consequences, but if the subsidence is progressing, it should be closely monitored and further investigation and analysis should be performed. In cold areas, pressure changes and displacements at the earth's surface are often related to repeated freezing and thawing of the earth's surface. In areas prone to floods or tidal floods, the tank can be sunk due to changes in the surface water level and slow movement of the surface itself in sandy, soft and swamp areas.
At present, manual measurement is needed for basic settlement observation of the storage tank, the measurement time is long, the measurement steps are complicated, and the required workload is huge under the condition of large number of the storage tanks; the main distance measuring instruments at present comprise infrared distance measuring, ultrasonic distance measuring and laser distance measuring; the infrared distance measurement is not high in accuracy, is not suitable for short-distance accurate measurement, is influenced by sunlight, and is not suitable for monitoring the settlement of the tank bottom of the normal-pressure storage tank because the storage tank is generally arranged outdoors; the ultrasonic ranging is to transmit the sound wave, then the ultrasonic wave signal is reflected back when encountering an obstacle, after the system receives the sound wave, the sound wave value is multiplied by the time difference between the transmission and the reception to obtain the distance between the measuring system and the obstacle, and if the measured distance is too short, the error is larger and the measuring system is not suitable for accurate measurement of short distance; as a representative laser range finder for accurate measurement, laser range finding has high environmental requirements, and is not suitable for outdoor scenes in rainy days, dusty days and the like.
Accordingly, those skilled in the art have been working to develop an atmospheric tank bottom settlement monitoring device to solve the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned shortcomings of the existing sedimentation monitoring technology, the utility model aims to solve the technical problems that the sedimentation monitoring of the bottom of the normal pressure storage tank disclosed in the prior art is difficult for monitoring personnel to judge the sedimentation height and angle of the storage tank by naked eyes, the conventional distance measuring instrument is not suitable for sedimentation monitoring in short distance and high precision, and meanwhile, the number of the storage tanks is large, so that the demand on the monitoring device is large. The utility model provides a device for monitoring the sedimentation of the bottom of an atmospheric storage tank, which has the advantages of low cost, convenient installation, repeated use, accurate measurement and the like, and solves the problems of high cost and great difficulty of sedimentation monitoring technology.
In order to achieve the technical purpose, the utility model provides the following technical scheme: the device for monitoring the sedimentation of the bottom of the normal pressure storage tank comprises a base, a scale, a fixed layer, a connecting layer, a movable ring and bolts;
the base comprises a rectangular panel and a cylindrical pipe, a circular opening is arranged above the cylindrical pipe, the lower end of the cylindrical pipe is connected to the central position of the rectangular plate, and a scale is arranged above the base; the scale is a hollow cylindrical bar, the outer surface of the scale is provided with scales for displaying the distance, and the upper end of the scale is connected with the movable ring;
the movable ring comprises a hollow tubular structure, the cross section of the tubular structure is of an inverted H-shaped structure, openings are formed in the left end and the right end of the tubular structure, a layer of partition is arranged in the pipe to divide the pipe body into two chambers, the depth of the chamber on the left side is larger than that of the chamber on the right side, threads are arranged on the inner wall of the chamber on the left side, and the position, close to the opening, of the chamber on the right side protrudes inwards, so that the opening of the chamber on the right side is smaller than that of the chamber on the left side; the movable ring also comprises a disc-shaped sliding structure, the sliding structure is formed by two circular plates with different sizes, the circle centers of the circular plates are arranged in parallel after being positioned on the same straight line, the two circular plates are fixed together through a cylinder with the diameter smaller than that of the smaller circular plate, the smaller circular plate is arranged in a cavity on the right side of the tubular structure of the movable ring, the diameter of the smaller circular plate is larger than the opening diameter of the cavity on the right side, a rectangular plate is fixed in the middle position on the right side of the larger circular plate, and the lower end face of the rectangular plate is connected with the upper end of the scale;
the bolt is provided with external threads, the external threads are matched with the internal threads on the inner wall of the left cavity on the movable ring, the movable ring and the bolt can be connected and separated by rotating the movable ring clockwise and anticlockwise, and the larger end of the bolt is connected with the fixed layer;
the fixing layer is a flexible material film, a hole is formed in the middle of the fixing layer, the size of the hole is larger than the outer diameter of the narrower end of the bolt and smaller than the outer diameter of the larger end of the bolt, the larger end of the bolt is left on the fixing layer after passing through the hole, the larger end of the bolt is exposed out of the fixing layer, one surface of the fixing layer, which is positioned on the same side as the larger end of the bolt, is coated with adhesive material, and the adhesive material is adhered on the connecting layer; the connecting layer is a flexible material film, the material of the connecting layer is a high polymer material with dark color and corrosion resistance, one surface of the connecting layer is connected with the fixing layer, and the other surface of the connecting layer is coated with a high-viscosity substance and then is stuck to the side wall of the normal pressure storage tank close to the ground;
the fixing layer and the connecting layer are flexible films, and one surface of each film is provided with a sticky substance; the center of the fixed layer is provided with a circle center hole; the movable ring can rotate and is internally provided with threads; the movable ring can be connected with and detached from the bolt in a rotating manner;
the fixing layer and the connecting layer have different material functions; the fixing layer is made of a flexible dark color material with corrosion resistance and stress resistance; the connecting layer is made of flexible dark color materials which are anti-oxidation and good in metal fit;
the device can be at least provided with 1 or more devices, and the accuracy of sedimentation height and angle monitoring is improved through the measurement of a plurality of devices;
further, the movable ring can be fixedly connected with one end of the scale; when the movable ring is fixed on the bolt by rotating the movable part of the movable ring, one end of the connecting fixed scale is in a relatively static state with the ground;
further, the scale of the staff gauge has the minimum unit of mm, the length of 0.2-2 m and the minimum scale of 1mm;
further, the movable ring tubular structure can rotate, and one end of the connecting scale is not influenced by the movement of the movable ring;
further, the inner diameter of the cylindrical tube of the base is larger than the outer diameter of the scale;
further, the base is not mechanically connected with the scale, and the cylindrical tube of the base is sleeved outside the scale in a space position;
further, the fixing layer is plastic with good ageing resistance and certain hardness;
further, the connecting layer is made of soft plastic with good ageing resistance;
further, the high-tack coating of the tie layer is required to be able to adhere metals and plastics;
further, the device for monitoring the sedimentation of the bottom of the normal pressure storage tank can be matched with a plurality of devices;
compared with the prior art, the utility model provides a device for monitoring the tank bottom settlement of an atmospheric storage tank, which has the following beneficial effects:
1. the device for monitoring the sedimentation of the bottom of the normal pressure storage tank is convenient for monitoring personnel to observe the sedimentation amplitude of the storage tank, and reduces the monitoring time;
2. the device for monitoring the tank bottom settlement of the normal pressure storage tank has the advantages of simple structure, convenient installation and lower later maintenance cost, and can be reused by replacing the connecting film and the fixing film;
3. this kind of ordinary pressure storage tank bottoms subsides monitoring devices can a plurality of devices cooperation use, can improve monitoring effect through increasing device quantity to large-scale storage tank, can also calculate the direction and the angle of subsidence according to the data of a plurality of devices and the data of storage tank.
Drawings
FIG. 1 is a side view of an atmospheric storage tank bottom settlement monitoring device;
FIG. 2 is a top view of an atmospheric storage tank bottom settlement monitoring device in use;
FIG. 3 is a front view of an atmospheric storage tank bottom settlement monitoring device;
FIG. 4 is a view of the movable ring, scale and base of the device for monitoring the sedimentation of the bottom of an atmospheric storage tank;
FIG. 5 is an enlarged cross-sectional view of FIG. 4 at A;
FIG. 6 is a diagram showing the connection effect of a connecting layer, a fixing layer and a bolt in the device for monitoring the sedimentation of the bottom of the normal pressure storage tank;
FIG. 7 is a cross-sectional view showing the connection effect of a connecting layer, a fixing layer and a bolt in the device for monitoring the bottom settlement of the normal pressure storage tank;
in the figure: 1. a base; 2. a ruler; 3. a fixed layer; 4. a connection layer; 5. a movable ring; 6. and (5) a bolt.
Detailed Description
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower", "lower" and "upper" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a device for monitoring bottom settlement of an atmospheric storage tank comprises a base 1, a scale 2, a fixed layer 3, a connecting layer 4, a movable ring 5 and bolts 6; the base 1 comprises a rectangular panel and a cylindrical pipe, a circular opening is arranged above the cylindrical pipe, the lower end of the cylindrical pipe is connected to the central position of the rectangular plate, and a scale is arranged above the base 1; the scale 2 is a hollow cylindrical bar, the outer surface of the scale 2 is provided with scales for displaying the distance, and the upper end of the scale 2 is connected with the movable ring 5; the movable ring 5 can be fixedly connected with one end of the scale 2; when the movable ring 5 is fixed on the bolt 6 by rotating the movable part of the movable ring 5, one end of the connecting and fixing scale 2 is in a relatively static state with the ground;
referring to fig. 3 and fig. 4, in a preferred embodiment, the movable ring 5 includes a hollow tubular structure, the cross section of the tubular structure is an inverted H-shaped structure, openings are formed at the left end and the right end of the tubular structure, a layer of partition is arranged in the pipe to divide the pipe body into two chambers, the depth of the chamber at the left side is greater than that at the right side, threads are formed on the inner wall of the chamber at the left side, and the position of the chamber at the right side, which is close to the opening, protrudes inwards to enable the opening of the chamber at the right side to be smaller than that of the chamber at the left side; the movable ring 5 further comprises a disc-shaped sliding structure, the sliding structure is two circular plates with different sizes, the circle centers of the two circular plates are arranged in parallel after being on the same axis, the two circular plates are fixed together through a cylinder with the diameter smaller than that of the smaller circular plate, the smaller circular plate is arranged in a cavity on the right side of the tubular structure of the movable ring 5, the diameter of the smaller circular plate is larger than the opening diameter of the cavity on the right side, a rectangular plate is fixed in the middle position on the right side of the larger circular plate, and the lower end face of the rectangular plate is connected with the upper end of the scale 2;
referring to fig. 5 and 6, in the preferred embodiment, the bolt 6 is provided with an external thread, the external thread is matched with an internal thread on the inner wall of the left cavity on the movable ring, and the movable ring and the thread can be connected and separated by rotating the movable ring clockwise and anticlockwise, and the larger end of the bolt is connected with the fixed layer 3; the fixing layer 3 is a flexible material film, a hole is formed in the middle of the fixing layer 3, the size of the hole is larger than the outer diameter of the narrower end of the bolt 6 and smaller than the outer diameter of the larger end of the bolt 6, the larger end of the bolt 6 is left on the fixing layer 3 after passing through the hole, the larger end of the bolt 6 is exposed out of the fixing layer 3, one surface of the fixing layer 3, which is positioned on the same side as the larger end of the bolt 6, is coated with an adhesive material, and the adhesive material is adhered to the connecting layer; the connecting layer 4 is a flexible material film, the material of the connecting layer is a high polymer material with dark color and corrosion resistance, one surface of the connecting layer 4 is connected with the fixing layer 6, and the other surface of the connecting layer is coated with a high-viscosity substance and then is stuck to the side wall of the normal pressure storage tank close to the ground;
in a first preferred embodiment, a small atmospheric storage tank with the height of 3 meters and the diameter of 1.2 meters is taken as an object for settlement monitoring, 2 devices with the length of 0.5 meter are selected, and the minimum scale mark of the scale is 1mm; washing dust and impurities at the adhering part of the normal pressure storage tank by using clear water, adhering the connecting layer on the side wall of the normal pressure storage tank after airing, and exhausting air of the tank wall and the connecting layer during adhering; after the connecting layer is tightly attached to the tank wall, adhering the fixing layer with the center position passing through the bolt to the connecting layer, and discharging air of the fixing layer and the connecting layer; the tubular structure of the movable ring is rotated to enable the screw threads of the bolt and the movable ring to be mutually embedded, so that the fixing of the device is completed; repeating the above operation at another position of the storage tank by taking the diameter of the normal pressure storage tank as the distance, and completing the installation of the two devices; respectively installing a base below the position of a scale in the device, placing the lower side of the scale in a cylindrical tube of the base, and recording the distance of the upper side of the scale exposed out of the base; 7 natural days later, observing the distance of the exposed base of the scale again, wherein the difference value between the position before recording and the position after recording is the sedimentation height; the inclination angle and the inclination direction of the normal pressure storage tank can also be obtained by calculating arcsin (sedimentation height difference/storage tank diameter) by using a calculator according to the difference of sedimentation heights at two sides and the ratio of the height difference to the storage tank diameter.
In the second embodiment, the settlement monitoring is performed by taking an oversized normal pressure storage tank as an object, 8 devices with the length of 1 meter are selected, and the minimum scale of the scale is 1mm; obtaining the circumference of the storage tank according to the diameter of the normal pressure storage tank, and dividing the circumference by 8 to obtain the distance between two adjacent devices; washing dust and impurities at the adhering part of the normal pressure storage tank by using clear water, adhering the connecting layer on the side wall of the normal pressure storage tank after airing, and exhausting air of the tank wall and the connecting layer during adhering; after the connecting layer is tightly attached to the tank wall, adhering the fixing layer with the center position passing through the bolt to the connecting layer, and discharging air of the fixing layer and the connecting layer; the tubular structure of the movable ring is rotated to enable the screw threads of the bolt and the movable ring to be mutually embedded, so that the fixing of the device is completed; repeating the above operation according to the distance of the distance setting device obtained by the diameter of the storage tank to finish the installation of 8 devices; respectively installing a base below the position of a scale in the device, placing the lower side of the scale in a cylindrical tube of the base, and recording the distance of the upper side of the scale exposed out of the base; 7 natural days later, observing the distance of the exposed base of the scale again, wherein the difference value between the position before recording and the position after recording is the sedimentation height; the inclination angle and the inclination direction of the normal pressure storage tank can be obtained by utilizing the height difference and the diameter of the storage tank according to the difference of the sedimentation heights in 8 directions.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. The device for monitoring the sedimentation of the bottom of the normal pressure storage tank is characterized by comprising a base (1), a scale (2), a fixed layer (3), a connecting layer (4), a movable ring (5) and bolts (6); the base (1) comprises a rectangular panel and a cylindrical pipe, a circular opening is arranged above the cylindrical pipe, the lower end of the cylindrical pipe is connected to the central position of the rectangular plate, and a scale (2) is arranged above the base (1); the scale (2) is a hollow cylindrical bar, the outer surface of the scale is provided with scales for displaying the distance, and the upper end of the scale (2) is connected with the movable ring (5);
the fixing layer (3) and the connecting layer (4) are flexible films, and one surface of each film is provided with a sticky substance; a center hole is formed in the center of the fixed layer (3); the movable ring (5) can rotate and is internally provided with threads; the movable ring (5) can be connected with and detached from the bolt (6) in a rotating mode.
2. The device for monitoring the sedimentation of the bottom of the normal pressure storage tank according to claim 1, wherein the movable ring (5) can be fixedly connected with one end of the scale (2); when the movable ring (5) is fixed on the bolt (6) by rotating the movable part of the movable ring (5), one end of the connecting and fixing scale (2) is in a relatively static state with the ground.
3. The device for monitoring the sedimentation of the bottom of the normal pressure storage tank according to claim 2, wherein the movable ring (5) comprises a hollow tubular structure, the cross section of the tubular structure is of an inverted H-shaped structure, openings are formed at the left end and the right end of the tubular structure, a layer of partition is arranged in the pipe to divide the pipe body into two chambers, the depth of the chamber at the left side is larger than that of the chamber at the right side, threads are arranged on the inner wall of the chamber at the left side, and the position, close to the opening, of the chamber at the right side protrudes inwards to enable the opening of the chamber at the right side to be smaller than that of the chamber at the left side; the movable ring (5) further comprises a disc-shaped sliding structure, the sliding structure is two circular plates with different sizes, the circle centers of the two circular plates are arranged in parallel after being on the same axis, the two circular plates are fixed together through a cylinder with the diameter smaller than that of the smaller circular plate, the smaller circular plate is arranged in a cavity on the right side of the tubular structure of the movable ring, the diameter of the smaller circular plate is larger than the opening diameter of the cavity on the right side, a rectangular plate is fixed in the middle position on the right side of the larger circular plate, and the lower end face of the rectangular plate is connected with the upper end of the scale (2).
4. The device for monitoring the sedimentation of the bottom of an atmospheric storage tank according to claim 1, wherein the length of the scale (2) can be 0.2-2 m, and the minimum scale is 1mm.
5. The device for monitoring the sedimentation of the bottom of an atmospheric storage tank according to claim 1, wherein the inner diameter of a cylindrical tube of the base (1) is larger than the outer diameter of the scale (2); the base (1) is not mechanically connected with the scale (2), and the cylindrical tube of the base (1) is sleeved outside the scale (2) in a space position.
6. The device for monitoring the settlement of the bottom of the atmospheric storage tank according to claim 1, wherein the device can be provided with at least 1 and more, and the accuracy of the settlement height and angle monitoring is improved by measuring a plurality of devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975581.7U CN220097352U (en) | 2022-07-29 | 2022-07-29 | Device for monitoring sedimentation of bottom of normal-pressure storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975581.7U CN220097352U (en) | 2022-07-29 | 2022-07-29 | Device for monitoring sedimentation of bottom of normal-pressure storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN220097352U true CN220097352U (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221975581.7U Active CN220097352U (en) | 2022-07-29 | 2022-07-29 | Device for monitoring sedimentation of bottom of normal-pressure storage tank |
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| Country | Link |
|---|---|
| CN (1) | CN220097352U (en) |
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2022
- 2022-07-29 CN CN202221975581.7U patent/CN220097352U/en active Active
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