CN219732309U - LNG storage tank safe shock insulation support system for soft soil site - Google Patents
LNG storage tank safe shock insulation support system for soft soil site Download PDFInfo
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- CN219732309U CN219732309U CN202223295665.9U CN202223295665U CN219732309U CN 219732309 U CN219732309 U CN 219732309U CN 202223295665 U CN202223295665 U CN 202223295665U CN 219732309 U CN219732309 U CN 219732309U
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- shock insulation
- storage tank
- lng storage
- insulation support
- pile foundations
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- 230000035939 shock Effects 0.000 title claims abstract description 43
- 238000009413 insulation Methods 0.000 title claims abstract description 40
- 239000002689 soil Substances 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims description 37
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 27
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 27
- -1 polytetrafluoroethylene Polymers 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model relates to an LNG storage tank safe shock insulation support system for a soft soil site, which comprises an LNG storage tank, a bearing platform arranged on the lower side of the LNG storage tank and a plurality of shock insulation support components, wherein the bearing platform is arranged on the lower side of the LNG storage tank; the shock insulation support subassembly is including inserting a plurality of pile foundations of soil layer, and the common cover is equipped with the support on a plurality of pile foundations, and the upper end position of soil layer is arranged in to the support, and the upper end of a plurality of pile foundations is connected with the bottom plate jointly, and the upper end fixedly connected with of bottom plate gathers the tetrafluoro board, and the lower terminal surface of cushion cap has the stainless steel panel with gather the tetrafluoro board counterpoint, still including setting up the shock insulation damping group between support and cushion cap, the slope of shock insulation damping group sets up, and circumference such as a plurality of shock insulation damping group distributes. The utility model has the following advantages: the stability and the vertical bearing capacity of the shock insulation support are ensured while the shock energy of the earthquake is absorbed and consumed to the maximum extent.
Description
Technical field:
the utility model belongs to the field of LNG storage tanks, and particularly relates to a safe vibration isolation support system of an LNG storage tank for a soft soil site.
The background technology is as follows:
since the end of the 20 th century, the national LNG storage tank engineering establishment has entered a high-rise period, and along with the gradual increase of the volume of the LNG storage tank, the safety problem becomes important, and for large LNG storage tanks, earthquake causes the loss of the use function of the large LNG storage tanks, and the explosion, fire and environmental pollution cause more disastrous consequences, and the construction of many large LNG storage tanks is required to be carried out on soft soil sites in coastal areas at present, so the design of the shock insulation support greatly influences the safety of the LNG storage tanks.
On soft soil field, when the LNG storage tank adopts lead rubber support to shock insulation, the horizontal deflection that the shock insulation support produced under strong earthquake effect is great, when the shock insulation support bears shearing pressure effect, its effective pressurized area of core will reduce by a wide margin, consequently all be very unfavorable to the stability and the vertical bearing capacity of shock insulation support, place the LNG storage tank in very dangerous state moreover.
The utility model comprises the following steps:
the utility model aims to overcome the defects, and provides the LNG storage tank safe shock insulation support system for the soft soil site, which can furthest absorb and consume the shock energy of the earthquake and simultaneously ensure the stability and the vertical bearing capacity of the shock insulation support.
The aim of the utility model is achieved by the following technical scheme: the LNG storage tank safety shock insulation support system for the soft soil site comprises an LNG storage tank, a bearing platform arranged on the lower side of the LNG storage tank, a plurality of shock insulation support assemblies and the like, wherein the shock insulation support assemblies are circumferentially distributed at the lower position of the bearing platform;
the vibration isolation support assembly comprises a plurality of pile foundations inserted into a soil layer, supports are sleeved on the pile foundations together, the supports are arranged at the upper end positions of the soil layer, the upper ends of the pile foundations are connected with a bottom plate together, the upper end of the bottom plate is fixedly connected with a polytetrafluoroethylene plate, the lower end face of the bearing platform is provided with a stainless steel panel opposite to the polytetrafluoroethylene plate, the vibration isolation support assembly further comprises a vibration isolation damping group arranged between the supports and the bearing platform, the vibration isolation damping group is obliquely arranged, and the vibration isolation damping groups are distributed circumferentially; the shock insulation damping group includes with the articulated first connector of lower terminal surface activity of cushion cap and with the articulated second connector of up end activity of support, have the cylinder body between first connector and the second connector, the one end of first connector is connected with the piston rod, thereby the both sides end of cylinder body has the end cover, thereby end cover and cylinder body sealing connection make the inside cavity that forms of cylinder body, the piston rod runs through the end cover setting of cylinder body both sides, the cover is equipped with the piston on the piston rod, the piston separates the cavity and forms two separation cavities, have the flowing medium in any separation cavity, have the hole that holds flowing medium circulation on the piston.
The utility model further improves that: each shock insulation support assembly is provided with four pile foundations, the four pile foundations are distributed at the lower position of the bearing platform in equal circumference, the center points of the four pile foundations of each shock insulation support assembly, the first connecting body and the connecting points of the bearing platform are arranged on the same reference circle, and the reference circle and the LNG storage tank are concentrically arranged.
The utility model further improves that: the polytetrafluoroethylene plate is in sliding fit with the stainless steel panel.
The utility model further improves that: the area of the stainless steel panel is larger than that of the polytetrafluoroethylene plate, and the stainless steel panel is arranged at the position right above the polytetrafluoroethylene plate.
The utility model further improves that: lubricating oil is arranged between the polytetrafluoroethylene plate and the stainless steel panel.
The utility model further improves that: the lower end face of the bottom plate is provided with a limit groove embedded at the top of the pile foundation, and bolts longitudinally penetrate through the bottom plate to the corresponding pile foundation.
The utility model further improves that: the thickness of the polytetrafluoroethylene plate is 30-50mm.
Compared with the prior art, the utility model has the following advantages:
the vibration isolation support assembly adopts the polytetrafluoroethylene plate and the stainless steel panel which can slide horizontally and freely, and can transfer the vibration isolation capability to the upper storage tank structure through sliding friction insensitive to shaking frequency, and has enough vertical bearing capacity and horizontal displacement capability, and each vibration isolation support assembly is arranged on a plurality of pile foundations, so that the vertical bearing capacity of the vibration isolation support is further improved; and secondly, the vibration isolation damping group is adopted to improve proper energy consumption capacity, the impact capacity to the earthquake is absorbed and consumed to the greatest extent, the earthquake energy can be dissipated through the horizontal deflection of the vibration isolation damping group, the normal vibration isolation effect can be ensured under the action of strong earthquake, and the LNG storage tank at the upper part is in a safe state.
Description of the drawings:
FIG. 1 is a schematic diagram of a system for providing a safe shock insulation support for LNG storage tanks in soft soil sites according to the present utility model;
FIG. 2 is a schematic view of the shock mount assembly of FIG. 1;
FIG. 3 is a schematic view of the shock damping assembly of FIG. 2;
reference numerals in the drawings:
1-LNG storage tank, 2-bearing platform and 3-shock insulation support component;
31-pile foundations, 32-supports, 33-bottom plates, 34-polytetrafluoroethylene plates, 35-stainless steel panels, 36-vibration isolation damping groups, 37-limit grooves and 38-bolts;
361-first connection, 362-second connection, 363-cylinder, 364-piston rod, 365-end cap, 366-cavity, 367-piston, 368-flow medium.
The specific embodiment is as follows:
the present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
In the description of the present utility model, it should be understood that the term "orientation" or "positional relationship" as used herein with respect to the orientation or positional relationship shown in the drawings is merely for convenience of description and to simplify the description, and does not indicate or imply that the structures or units referred to must have a particular orientation and therefore should not be construed as limiting the utility model.
In the present utility model, unless otherwise specifically defined and limited, terms such as "connected," "provided," and "having" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, directly connected, and connected via an intermediate medium, so that it is possible for those skilled in the art to understand the basic meaning of the terms in the present utility model according to circumstances.
Referring to fig. 1 and 2, an embodiment of an LNG storage tank safety shock insulation support system for a soft soil site according to the present utility model includes an LNG storage tank 1, a platform 2 disposed at a lower side of the LNG storage tank 1, and a plurality of shock insulation support members 3, wherein the plurality of shock insulation support members 3 are circumferentially distributed at a lower position of the platform 2;
the vibration isolation support assembly 3 comprises a plurality of pile foundations 31 inserted into a soil layer, wherein the pile foundations 31 are sleeved with supports 32 together, the supports 32 are arranged at the upper end positions of the soil layer, the upper ends of the pile foundations 31 are connected with a bottom plate 33 together, the upper end of the bottom plate 33 is fixedly connected with a polytetrafluoroethylene plate 34, the lower end face of a bearing platform 2 is provided with a stainless steel panel 35 which is opposite to the polytetrafluoroethylene plate 34, the vibration isolation support assembly further comprises a vibration isolation damping group 36 which is arranged between the supports 32 and the bearing platform 2, the vibration isolation damping group 36 is obliquely arranged, and the vibration isolation damping groups 36 are distributed in circumference; as shown in fig. 3, the vibration isolation damping set 36 includes a first connecting body 361 movably hinged to the lower end surface of the bearing platform 2 and a second connecting body 362 movably hinged to the upper end surface of the support 32, a cylinder body 363 is arranged between the first connecting body 361 and the second connecting body 362, one end of the first connecting body 361 is connected with a piston rod 364, two side ends of the cylinder body 363 are provided with end covers 365, the end covers 365 are in sealing connection with the cylinder body 363 so that a cavity 366 is formed inside the cylinder body 363, the piston rod 364 penetrates through the end covers on two sides of the cylinder body 363, a piston 367 is sleeved on the piston rod 364, the piston 367 separates the cavity 366 to form two separation chambers, a flowing medium 368 is arranged in any separation chamber, and a hole for containing the flowing medium 368 is formed on the piston 367.
According to the vibration isolation support assembly 3, the polytetrafluoroethylene plates 34 and the stainless steel panels 35 which can slide horizontally and freely are adopted, and the vibration isolation support assembly 3 can have enough vertical bearing capacity and horizontal displacement capacity through the transmission of sliding friction isolation earthquake capacity insensitive to shaking frequency to an upper storage tank structure, and each vibration isolation support assembly 3 is arranged on a plurality of pile foundations 31, and the pile foundations 31 are connected with the supports 32 together, so that the vertical bearing capacity of the vibration isolation support is further improved; secondly, the vibration isolation damping group 36 is adopted to improve proper energy consumption capacity, the impact capacity to the earthquake is absorbed and consumed to the greatest extent, the earthquake energy can be dissipated through the horizontal deflection of the vibration isolation damping group 36, the normal vibration isolation effect can be ensured under the action of strong earthquake, and the LNG storage tank 1 at the upper part is placed in a safe state.
The principle of operation of the shock insulation damping group 36 is as follows: the piston 367 divides the cylinder into two parts, during the reciprocating movement in the cylinder 363, the flowing medium 368 is in the corresponding cavity 366, the intermolecular friction, the friction between the flowing medium 368 and the piston 367, and the friction between the flowing medium 368 and the cylinder 363, the flowing medium 368 generates huge throttling resistance when passing through the hole on the piston 367, the damping force in the flowing converts the kinetic energy of the earthquake into heat dissipation through the reciprocating movement of the piston 367, the speed of the piston movement is gradually reduced, and the damping effect is achieved. Therefore, the vibration isolation damping group 36 of the utility model not only has the function of dissipating the earthquake capacity, but also has a certain connecting function on the bearing platform 2 and the pile foundation 31.
Further, each shock insulation support component 3 is provided with four pile foundations 31, the four pile foundations 31 are distributed at the lower position of the bearing platform 2 in the equal circumference, the center points of the four pile foundations 31 of each shock insulation support component 3 and the connection points of the first connecting body 361 and the bearing platform 2 are arranged on the same reference circle, the reference circle and the LNG storage tank 1 are concentrically arranged, so that the supporting balance of the shock insulation support component 3 to the LNG storage tank 1 is further ensured,
further, the polytetrafluoroethylene plate 34 is in sliding fit with the stainless steel panel 35.
Further, the area of the stainless steel panel 35 is larger than the area of the polytetrafluoroethylene plate 34, and the stainless steel panel 35 is placed at a position directly above the polytetrafluoroethylene plate 34.
Further, lubricating oil is provided between the polytetrafluoroethylene plate 34 and the stainless steel panel 35.
In the utility model, the polytetrafluoroethylene plate 34 has the advantages of corrosion resistance, low friction coefficient, good lubrication effect and low temperature resistance, and the lubricating oil is arranged between the polytetrafluoroethylene plate 34 and the stainless steel panel 35, so that the free sliding effect of the polytetrafluoroethylene plate 34 and the stainless steel panel 35 is further improved.
Further, the lower end surface of the bottom plate 33 is provided with a limit groove 37 embedded at the top of the pile foundation 31, bolts 38 longitudinally penetrate through the bottom plate 33 to the corresponding pile foundations 31, primary limit is realized between the bottom plate 33 and the pile foundations 31 in a chimeric mode, and stable connection between the bottom plate 33 and the pile foundations 31 is realized through the arrangement of the bolts 38.
Further, the thickness of the polytetrafluoroethylene plate 34 is 30-50mm.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A LNG storage tank safety shock insulation support system for weak soil place, its characterized in that: the system comprises an LNG storage tank (1), a bearing platform (2) arranged on the lower side of the LNG storage tank (1) and a plurality of shock insulation support assemblies (3), wherein the shock insulation support assemblies (3) are circumferentially distributed at the lower position of the bearing platform (2);
the earthquake isolation support assembly (3) comprises a plurality of pile foundations (31) inserted into a soil layer, wherein the pile foundations (31) are sleeved with supports (32) together, the supports (32) are arranged at the upper end positions of the soil layer, the upper ends of the pile foundations (31) are connected with a bottom plate (33) together, the upper ends of the bottom plate (33) are fixedly connected with a polytetrafluoroethylene plate (34), the lower end face of the bearing platform (2) is provided with a stainless steel panel (35) opposite to the polytetrafluoroethylene plate (34), the earthquake isolation support assembly further comprises an earthquake isolation damping group (36) arranged between the supports (32) and the bearing platform (2), the earthquake isolation damping group (36) is obliquely arranged, and the circumferences of the earthquake isolation damping groups (36) and the like are distributed; the vibration isolation damping group (36) comprises a first connecting body (361) movably hinged with the lower end face of the bearing platform (2) and a second connecting body (362) movably hinged with the upper end face of the support (32), a cylinder body (363) is arranged between the first connecting body (361) and the second connecting body (362), a piston rod (364) is connected to one end of the first connecting body (361), end covers (365) are arranged at two side ends of the cylinder body (363), the end covers (365) are in sealing connection with the cylinder body (363) so that a cavity (366) is formed inside the cylinder body (363), the piston rod (364) penetrates through the end covers at two sides of the cylinder body (363), a piston (367) is sleeved on the piston rod (364), the piston (367) separates the cavity (366) to form two separation chambers, a flowing medium (368) is arranged in any separation chamber, and holes for containing the flowing medium (368) are formed in the piston (367).
2. An LNG storage tank safety shock insulation support system for soft soil sites according to claim 1, wherein: every isolation bearing subassembly (3) have four pile foundations (31), circumference such as four pile foundations (31) distributes in the below position of cushion cap (2), the central point of four pile foundations (31) of every isolation bearing subassembly (3), the tie point of first connector (361) and cushion cap (2) are in same reference circle, reference circle and LNG storage tank (1) are concentric to be set up.
3. An LNG storage tank safety shock insulation support system for soft soil sites according to claim 2, wherein: the polytetrafluoroethylene plate (34) is in sliding fit with the stainless steel panel (35).
4. An LNG storage tank safety shock insulation support system for soft soil sites according to claim 3, wherein: the area of the stainless steel panel (35) is larger than that of the polytetrafluoroethylene plate (34), and the stainless steel panel (35) is arranged at a position right above the polytetrafluoroethylene plate (34).
5. An LNG storage tank safety shock insulation support system for soft soil sites according to claim 4, wherein: lubricating oil is arranged between the polytetrafluoroethylene plate (34) and the stainless steel panel (35).
6. An LNG storage tank safety shock insulation support system for soft soil sites according to claim 5, wherein: the lower end face of the bottom plate (33) is provided with a limit groove (37) embedded at the top of the pile foundation (31), and bolts (38) longitudinally penetrate through the bottom plate (33) to the corresponding pile foundation (31).
7. The LNG tank safety shock insulation support system for soft soil sites of claim 6, wherein: the thickness of the polytetrafluoroethylene plate (34) is 30-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223295665.9U CN219732309U (en) | 2022-12-09 | 2022-12-09 | LNG storage tank safe shock insulation support system for soft soil site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223295665.9U CN219732309U (en) | 2022-12-09 | 2022-12-09 | LNG storage tank safe shock insulation support system for soft soil site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219732309U true CN219732309U (en) | 2023-09-22 |
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ID=88064354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223295665.9U Active CN219732309U (en) | 2022-12-09 | 2022-12-09 | LNG storage tank safe shock insulation support system for soft soil site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219732309U (en) |
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2022
- 2022-12-09 CN CN202223295665.9U patent/CN219732309U/en active Active
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