CN117166518A - Be applied to foundation structure of high temperature storage tank - Google Patents
Be applied to foundation structure of high temperature storage tank Download PDFInfo
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- CN117166518A CN117166518A CN202210584474.XA CN202210584474A CN117166518A CN 117166518 A CN117166518 A CN 117166518A CN 202210584474 A CN202210584474 A CN 202210584474A CN 117166518 A CN117166518 A CN 117166518A
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- 239000004576 sand Substances 0.000 claims abstract description 58
- 238000009423 ventilation Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 150000003839 salts Chemical class 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract 5
- 238000004321 preservation Methods 0.000 claims abstract 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 57
- 239000002131 composite material Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 230000035882 stress Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- 238000005338 heat storage Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
Be applied to foundation structure of high temperature storage tank, include the raft foundation that sets up along the horizontal direction, the intermediate of raft foundation top has laid the graded sand layer along the horizontal direction, the ventilation pipe buries the layer along the horizontal direction at the top of graded sand layer, the ventilation pipe buries and is equipped with the ventilation pipe that is used for heat transfer cooling along the horizontal direction in the layer, the ventilation pipe buries the top of layer and has laid compound heat preservation along the horizontal direction, the sand bed course has been laid along the horizontal direction at the top of compound heat preservation, be equipped with netted interior annular wall leakage detection groove along the horizontal direction between sand bed course and the compound heat preservation. The base structure is used for guaranteeing the safety of the base, releasing thermal stress, guaranteeing the operation safety of the storage tank, timely finding out molten salt leakage phenomenon, recovering leaked molten salt and avoiding pollution to the environment.
Description
Technical Field
The invention relates to the field of solar photo-thermal power generation, in particular to a foundation structure applied to a high-temperature storage tank.
Background
Solar energy is a clean renewable energy source. A great challenge in the utilization of renewable energy sources, particularly solar energy, is to cope with the intermittent problem of energy supply caused by weather, daytime sun light fluctuations and seasonal variations, one way to effectively manage the variability of solar energy resources is to add thermal energy storage means to it, when there is surplus power, the varying energy is stored, and then the stored energy is released when the power generated by the solar energy is insufficient or no power is generated, thus fulfilling the need for continuous power supply. In order to avoid the low energy density, the limitation of day and night, seasons, clouds, rain and the like, a technology for directly storing solar energy in the form of heat is developed, which is called a solar heat storage technology.
In the solar heat storage technology, a high-temperature heat storage system for storing solar energy is a hot spot of research in recent years, and in the high-temperature heat storage system, the design of the basic structure of a high-temperature storage tank of a core device is always a difficult point in the field. How to ensure the running stability of the high-temperature storage tank is the important consideration of the design of the foundation structure, the foundation of the high-temperature storage tank is mostly made of ceramic thermal insulation materials at present, but the ceramic thermal insulation materials are granular bodies, are difficult to compact, have the characteristics of discontinuous medium mechanics, are complex in stress analysis and calculation on discontinuous media, and are difficult to truly reproduce the stress load condition in simulation and emulation, so that the existing foundation structure which is made of the ceramic thermal insulation materials is easy to have hidden trouble that the safety of the storage tank is endangered, such as local collapse, and the like.
In addition, the molten salt storage tank has leakage phenomenon, so that the molten salt storage tank cannot be used normally, serious pollution is caused to the environment, and how to quickly detect the leakage of the molten salt is a problem which is important in the field at present.
Disclosure of Invention
The invention aims to provide a foundation structure which is convenient to carry out computer simulation design, can truly reproduce the basic stress condition of a storage tank, ensures uniform stress of a bottom plate of a high-temperature storage tank, ensures basic safety and releases thermal stress, thereby ensuring the operation safety of the storage tank, can timely find out the leakage phenomenon of molten salt, recovers the leaked molten salt and avoids pollution to the environment and is applied to the high-temperature storage tank.
The invention relates to a foundation structure applied to a high-temperature storage tank, which comprises a raft foundation arranged along the horizontal direction, wherein the raft foundation is made of reinforced concrete, a graded sand layer is paved in the middle of the top of the raft foundation along the horizontal direction, a reinforcing steel bar net is arranged in the graded sand layer, the compaction coefficient of the graded sand layer is above 0.98, a ventilation pipe embedded layer is paved on the top of the graded sand layer along the horizontal direction, a ventilation pipe for heat exchange and cooling is arranged in the ventilation pipe embedded layer along the horizontal direction, one end of the ventilation pipe is communicated with an air outlet or an air inlet of a cooling fan, and a plurality of temperature sensors are arranged on the ventilation pipe;
the top of the ventilation pipe embedded layer is paved with a composite heat-insulating layer along the horizontal direction, the top of the composite heat-insulating layer is paved with a sand cushion layer along the horizontal direction, sand used by the sand cushion layer is high-temperature resistant quartz sand, a netlike inner annular wall leakage detection groove is arranged between the sand cushion layer and the composite heat-insulating layer along the horizontal direction, and a plurality of temperature sensors are arranged in the inner annular wall leakage detection groove;
an inner annular wall is arranged at the outer side wall of the sandy soil cushion layer and the composite heat-insulating layer in a surrounding manner along the vertical direction, the bottom end of the inner annular wall is attached to the top of the ventilation pipe embedded layer, an inter-annular wall composite heat-insulating layer is arranged at the outer side wall of the inner annular wall in a surrounding manner along the vertical direction, the bottom end of the inter-annular wall composite heat-insulating layer is attached to the top of the ventilation pipe embedded layer, an annular outer annular wall leakage detection groove is arranged at the top of the inter-annular wall composite heat-insulating layer along the horizontal direction, and a plurality of temperature sensors are arranged in the outer annular wall leakage detection groove;
the outer side walls of the composite heat-insulating layer, the ventilation pipe embedded layer and the graded sand layer are circumferentially provided with outer annular walls along the vertical direction, the bottom ends of the outer annular walls are attached to the top of the raft foundation, the inner walls of the outer annular walls are attached to the composite heat-insulating layer, the ventilation pipe embedded layer and the outer side walls of the graded sand layer, and the outer annular walls are made of reinforced refractory concrete or steel plates;
the bottom of the inner annular wall leakage detection groove and the bottom of the outer annular wall leakage detection groove are respectively provided with a liquid outlet, the liquid outlet at the bottom of the inner annular wall leakage detection groove and the liquid outlet at the bottom of the outer annular wall leakage detection groove are respectively communicated with a molten salt leakage collection groove through a liquid discharge pipeline, and the molten salt leakage collection groove is arranged on the outer side of the outer annular wall;
preferably, the cross section of the inner annular wall leakage detection groove is rectangular, the cross section of the outer annular wall leakage detection groove is rectangular, and the cross sections of the inner annular wall and the outer annular wall along the horizontal direction are circular.
Preferably, the thickness of the bottom and the raft foundation along the vertical direction is 600 mm-2000 mm, the thickness of the graded sand layer along the vertical direction is 1000 mm-3000 mm, the thickness of the ventilation pipe embedded layer along the vertical direction is 300 mm-1000 mm, the thickness of the composite heat insulation layer along the vertical direction is 400 mm-1200 mm, the thickness of the sand cushion layer along the vertical direction is 300 mm-600 mm, the thickness of the outer ring wall along the horizontal direction is 300 mm-600 mm, and the thickness of the inner ring wall along the horizontal direction is 300 mm-600 mm.
Preferably, the thickness of the bottom and the raft foundation along the vertical direction is 800 mm-1800 mm, the thickness of the graded sand layer along the vertical direction is 1200 mm-2800 mm, the thickness of the ventilation pipe embedded layer along the vertical direction is 500 mm-800 mm, the thickness of the composite heat insulation layer along the vertical direction is 600 mm-1000 mm, the thickness of the sand cushion layer along the vertical direction is 350 mm-550 mm, the thickness of the outer ring wall along the horizontal direction is 350 mm-550 mm, and the thickness of the inner ring wall along the horizontal direction is 350 mm-550 mm.
Preferably, the thickness of the bottom and the raft foundation along the vertical direction is 1000 mm-1600 mm, the thickness of the graded sand layer along the vertical direction is 1500 mm-2500 mm, the thickness of the ventilation pipe embedded layer along the vertical direction is 600 mm-700 mm, the thickness of the composite heat insulation layer along the vertical direction is 700 mm-900 mm, the thickness of the sand cushion layer along the vertical direction is 400 mm-500 mm, the thickness of the outer ring wall along the horizontal direction is 400 mm-500 mm, and the thickness of the inner ring wall along the horizontal direction is 400 mm-500 mm.
Compared with the basis of the existing solar high-temperature storage tank, the invention has the following advantages:
1. the invention can realize uniform bearing of the bottom plate of the high-temperature storage tank, thereby ensuring free expansion and contraction of the bottom plate of the molten salt storage tank under the action of temperature difference alternating load of various working conditions, and further ensuring safe and stable operation of the storage tank.
2. The grating structure of the graded sand-coated layer can play a role in effectively fixing the region of sand, so that the problem that the storage tank is greatly inclined or the bottom plate is collapsed due to the collapse or the flow of partial sand is avoided, and the stability and the safety of a foundation are ensured.
3. According to the invention, the plurality of temperature sensors arranged in the inner annular wall leakage detection groove and the plurality of temperature sensors arranged in the outer annular wall leakage detection groove can effectively monitor leakage of the bottom plate and the wall plate of the storage tank, and the initial leakage position is accurately judged through the structures of the inner annular wall leakage detection groove and the outer annular wall leakage detection groove and the arrangement of the measuring points, so that a reference basis is provided for storage tank repair, and leaked materials can be collected into the molten salt leakage collection groove through the liquid discharge pipeline for proper treatment, so that the influence on the environment is avoided.
In summary, the foundation structure applied to the high-temperature storage tank has the characteristics that the foundation structure is convenient to carry out simulation design through a computer, the foundation stress condition of the storage tank can be truly reproduced, the stress of the bottom plate of the high-temperature storage tank is uniform, the foundation safety is ensured, the thermal stress is released, the operation safety of the storage tank is ensured, the leakage phenomenon of molten salt can be found in time, the leaked molten salt is recovered, and the pollution to the environment is avoided.
The invention is described in detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a front cross-sectional view of a schematic structural diagram of a basic structure of the present invention applied to a high temperature storage tank;
fig. 2 is a schematic view showing a partially enlarged structure of a base structure applied to a high-temperature storage tank according to the present invention along a horizontal sectional direction in which a leakage detection groove of an inner wall is located.
Detailed Description
As shown in fig. 1 and 2, the foundation structure applied to the high-temperature storage tank comprises a raft foundation 7 arranged along the horizontal direction, wherein the raft foundation 7 is made of reinforced concrete, a graded sand layer 6 is paved in the middle of the top of the raft foundation 7 along the horizontal direction, a reinforcing steel bar net is arranged in the graded sand layer 6, the compaction coefficient of the graded sand layer 6 is above 0.98, a ventilation pipe embedded layer 5 is paved on the top of the graded sand layer 6 along the horizontal direction, a ventilation pipe 12 for heat exchange and cooling is arranged in the ventilation pipe embedded layer 5 along the horizontal direction, one end of the ventilation pipe 12 is communicated with an air outlet or an air inlet of a cooling fan, and a plurality of temperature sensors are arranged on the ventilation pipe 12; when the ventilating pipe is used, natural ventilation and forced ventilation can be switched according to the temperature of the ventilating pipe embedded layer 5, and the temperature of the ventilating pipe embedded layer 5 is ensured to be not higher than 70 ℃.
The top of the ventilation pipe embedded layer 5 is paved with a composite heat-insulating layer 4 along the horizontal direction, the top of the composite heat-insulating layer 4 is paved with a sand cushion layer 2 along the horizontal direction, sand used by the sand cushion layer 2 is high-temperature resistant quartz sand, a netlike inner annular wall leakage detection groove 3 is arranged between the sand cushion layer 2 and the composite heat-insulating layer 4 along the horizontal direction, and a plurality of temperature sensors are arranged in the inner annular wall leakage detection groove 3;
the sand cushion layer 2 and the outer side wall of the composite heat-insulating layer 4 are circumferentially provided with an inner annular wall 1 along the vertical direction, the compressive strength of the inner annular wall 1 is not lower than 5Mpa, the bottom end of the inner annular wall 1 is attached to the top of the ventilation pipe embedded layer 5, the outer side wall of the inner annular wall 1 is circumferentially provided with an inter-annular wall composite heat-insulating layer 9 along the vertical direction, the bottom end of the inter-annular wall composite heat-insulating layer 9 is attached to the top of the ventilation pipe embedded layer 5, the top of the inter-annular wall composite heat-insulating layer 9 is provided with an annular outer annular wall leakage detection groove 10 along the horizontal direction, and a plurality of temperature sensors are arranged in the outer annular wall leakage detection groove 10;
the outer side walls of the composite heat-insulating layer 9, the ventilation pipe embedded layer 5 and the graded sand layer 6 are circumferentially provided with an outer ring wall 8 along the vertical direction, the bottom end of the outer ring wall 8 is attached to the top of the raft foundation 7, the inner wall of the outer ring wall 8 is attached to the outer side walls of the composite heat-insulating layer 9, the ventilation pipe embedded layer 5 and the graded sand layer 6, and the outer ring wall 1 is made of reinforced refractory concrete or steel plates;
the bottom of the inner ring wall leakage detection groove 3 and the bottom of the outer ring wall leakage detection groove 10 are respectively provided with a liquid outlet, the liquid outlet at the bottom of the inner ring wall leakage detection groove 3 and the liquid outlet at the bottom of the outer ring wall leakage detection groove 10 are respectively communicated with the molten salt leakage collection groove 11 through a liquid discharge pipeline 13, and the molten salt leakage collection groove 11 is arranged at the outer side of the outer ring wall 1;
the plurality of temperature sensors arranged in the inner annular wall leakage detection groove 3 and the plurality of temperature sensors arranged in the outer annular wall leakage detection groove 10 can effectively monitor leakage of a bottom plate and a wall plate of the storage tank, and accurately judge the initial leakage position through the structures of the inner annular wall leakage detection groove 3 and the outer annular wall leakage detection groove 10 and the arrangement of measuring points, provide reference for storage tank repair, and leaked materials can be collected into the molten salt leakage collection groove 11 through the liquid discharge pipeline 13 for proper treatment, so that the influence on the environment is avoided.
As a further improvement of the present invention, the inner annular wall leakage detecting groove 3 has a rectangular cross section, the outer annular wall leakage detecting groove 10 has a rectangular cross section, and the inner annular wall 1 and the outer annular wall 1 have circular cross sections in the horizontal direction.
As a further improvement of the invention, the thickness of the bottom end and the raft foundation 7 along the vertical direction is 600 mm-2000 mm, the thickness of the graded sand layer 6 along the vertical direction is 1000 mm-3000 mm, the thickness of the ventilation pipe embedded layer 5 along the vertical direction is 300 mm-1000 mm, the thickness of the composite heat insulation layer 4 along the vertical direction is 400 mm-1200 mm, the thickness of the sand cushion layer 2 along the vertical direction is 300 mm-600 mm, the thickness of the outer ring wall 8 along the horizontal direction is 300 mm-600 mm, and the thickness of the inner ring wall 1 along the horizontal direction is 300 mm-600 mm.
As a further improvement of the invention, the thickness of the bottom end and the raft foundation 7 along the vertical direction is 800 mm-1800 mm, the thickness of the graded sand layer 6 along the vertical direction is 1200 mm-2800 mm, the thickness of the ventilation pipe embedded layer 5 along the vertical direction is 500 mm-800 mm, the thickness of the composite heat insulation layer 4 along the vertical direction is 600 mm-1000 mm, the thickness of the sand cushion layer 2 along the vertical direction is 350 mm-550 mm, the thickness of the outer ring wall 8 along the horizontal direction is 350 mm-550 mm, and the thickness of the inner ring wall 1 along the horizontal direction is 350 mm-550 mm.
As a further improvement of the invention, the thickness of the bottom end and the raft foundation 7 along the vertical direction is 1000 mm-1600 mm, the thickness of the graded sand layer 6 along the vertical direction is 1500 mm-2500 mm, the thickness of the ventilation pipe embedded layer 5 along the vertical direction is 600 mm-700 mm, the thickness of the composite heat insulation layer 4 along the vertical direction is 700 mm-900 mm, the thickness of the sand cushion layer 2 along the vertical direction is 400 mm-500 mm, the thickness of the outer ring wall 8 along the horizontal direction is 400 mm-500 mm, and the thickness of the inner ring wall 1 along the horizontal direction is 400 mm-500 mm.
When the buffer network of the membrane polar distance ion membrane electrolytic tank is used, the buffer network can realize uniform bearing of the bottom plate of the high-temperature storage tank, thereby ensuring free expansion and contraction of the bottom plate of the molten salt storage tank under the action of temperature difference alternating load of various working conditions, and further ensuring safe and stable operation of the storage tank; the grating structure of the graded sand-coated layer can play a role in effectively fixing the sandstone area, so that the phenomenon that the storage tank is greatly inclined or the bottom plate is collapsed due to the collapse or the flow of partial sandstone is avoided, and the stability and the safety of a foundation are ensured; according to the invention, the inner annular wall leakage detection device, the plurality of temperature sensors arranged in the inner annular wall leakage detection groove 3 and the plurality of temperature sensors arranged in the outer annular wall leakage detection groove 10 can effectively monitor leakage of the bottom plate and the wall plate of the storage tank, and the initial leakage position is accurately judged through the structures of the inner annular wall leakage detection groove 3 and the outer annular wall leakage detection groove 10 and the arrangement of the measuring points, so that a reference basis is provided for storage tank repair, and leaked materials can be collected into the molten salt leakage collection groove 11 through the liquid discharge pipeline 13 for proper treatment, so that environmental influence is avoided. Therefore, the foundation structure applied to the high-temperature storage tank has the characteristics of being convenient for carrying out simulation design through a computer, being capable of truly reproducing the basic stress condition of the storage tank, ensuring uniform stress of the bottom plate of the high-temperature storage tank, ensuring the safety of the foundation and releasing the thermal stress, ensuring the operation safety of the storage tank, timely finding out the leakage phenomenon of molten salt, recycling the leaked molten salt and avoiding polluting the environment.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (5)
1. Be applied to foundation structure of high temperature storage tank, characterized by: the raft foundation (7) is arranged along the horizontal direction, the raft foundation (7) is made of reinforced concrete, a graded sand layer (6) is paved in the middle of the top of the raft foundation (7) along the horizontal direction, a reinforcing steel bar net is arranged in the graded sand layer (6), the compaction coefficient of the graded sand layer (6) is above 0.98, a ventilation pipe embedded layer (5) is paved on the top of the graded sand layer (6) along the horizontal direction, a ventilation pipe (12) for heat exchange and cooling is arranged in the ventilation pipe embedded layer (5) along the horizontal direction, one end of the ventilation pipe (12) is communicated with an air outlet or an air inlet of a cooling fan, and a plurality of temperature sensors are arranged on the ventilation pipe (12);
a composite heat-insulating layer (4) is paved on the top of the ventilation pipe embedded layer (5) along the horizontal direction, a sand cushion layer (2) is paved on the top of the composite heat-insulating layer (4) along the horizontal direction, sand used by the sand cushion layer (2) is high-temperature-resistant quartz sand, a netlike inner annular wall leakage detection groove (3) is arranged between the sand cushion layer (2) and the composite heat-insulating layer (4) along the horizontal direction, and a plurality of temperature sensors are arranged in the inner annular wall leakage detection groove (3);
the sand cushion layer (2) and the outer side wall of the composite heat-insulating layer (4) are circumferentially provided with an inner annular wall (1) along the vertical direction, the bottom end of the inner annular wall (1) is attached to the top of the ventilation pipe embedded layer (5), the outer side wall of the inner annular wall (1) is circumferentially provided with an inter-annular wall composite heat-insulating layer (9) along the vertical direction, the bottom end of the inter-annular wall composite heat-insulating layer (9) is attached to the top of the ventilation pipe embedded layer (5), the top of the inter-annular wall composite heat-insulating layer (9) is provided with an annular outer annular wall leakage detection groove (10) along the horizontal direction, and a plurality of temperature sensors are arranged in the outer annular wall leakage detection groove (10);
the outer side walls of the composite heat-insulating layer (9), the ventilation pipe embedded layer (5) and the graded sand layer (6) are surrounded by an outer annular wall (8) along the vertical direction, the bottom end of the outer annular wall (8) is attached to the top of the raft foundation (7), the inner wall of the outer annular wall (8) is attached to the outer side walls of the composite heat-insulating layer (9), the ventilation pipe embedded layer (5) and the graded sand layer (6), and the outer annular wall (1) is made of reinforced refractory concrete or steel plates;
the bottom of interior loop wall leakage detection groove (3) and the bottom of outer loop wall leakage detection groove (10) are equipped with the liquid outlet respectively, and the liquid outlet of interior loop wall leakage detection groove (3) bottom and the liquid outlet of outer loop wall leakage detection groove (10) bottom communicate with each other with fused salt leakage collecting vat (11) through drain line (13) respectively, and fused salt leakage collecting vat (11) set up in the outside of outer loop wall (1).
2. The infrastructure for high temperature storage tanks of claim 1 wherein: the cross section of the inner annular wall leakage detection groove (3) is rectangular, the cross section of the outer annular wall leakage detection groove (10) is rectangular, and the cross sections of the inner annular wall (1) and the outer annular wall (1) along the horizontal direction are circular.
3. The infrastructure for high temperature storage tanks of claim 2 wherein: the thickness of bottom and raft foundation (7) along vertical direction is 600 mm-2000 mm, and the thickness of gradation sand layer (6) along vertical direction is 1000 mm-3000 mm, and ventilation pipe buries layer (5) thickness along vertical direction and is 300 mm-1000 mm, and the thickness of compound heat preservation layer (4) along vertical direction is 400 mm-1200 mm, and the thickness of sand bed course (2) along vertical direction is 300 mm-600 mm, and the thickness of outer loop wall (8) along horizontal direction is 300 mm-600 mm, and the thickness of interior loop wall (1) along horizontal direction is 300 mm-600 mm.
4. A base structure for use in a high temperature storage tank as claimed in claim 3, wherein: the thickness of the bottom and raft foundation (7) along the vertical direction is 800 mm-1800 mm, the thickness of the graded sand layer (6) along the vertical direction is 1200 mm-2800 mm, the thickness of the ventilation pipe embedded layer (5) along the vertical direction is 500 mm-800 mm, the thickness of the composite heat insulation layer (4) along the vertical direction is 600 mm-1000 mm, the thickness of the sand cushion layer (2) along the vertical direction is 350 mm-550 mm, the thickness of the outer ring wall (8) along the horizontal direction is 350 mm-550 mm, and the thickness of the inner ring wall (1) along the horizontal direction is 350 mm-550 mm.
5. The infrastructure for high temperature storage tanks of claim 4 wherein: the thickness of bottom and raft foundation (7) along vertical direction is 1000 mm-1600 mm, and the thickness of gradation sand layer (6) along vertical direction is 1500 mm-2500 mm, and ventilation pipe buries layer (5) thickness along vertical direction and is 600 mm-700 mm, and the thickness of compound heat preservation layer (4) along vertical direction is 700 mm-900 mm, and the thickness of sand bed course (2) along vertical direction is 400 mm-500 mm, and the thickness of outer loop wall (8) along horizontal direction is 400 mm-500 mm, and the thickness of interior loop wall (1) along horizontal direction is 400 mm-500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584474.XA CN117166518A (en) | 2022-05-27 | 2022-05-27 | Be applied to foundation structure of high temperature storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584474.XA CN117166518A (en) | 2022-05-27 | 2022-05-27 | Be applied to foundation structure of high temperature storage tank |
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| Publication Number | Publication Date |
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| CN117166518A true CN117166518A (en) | 2023-12-05 |
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| CN202210584474.XA Pending CN117166518A (en) | 2022-05-27 | 2022-05-27 | Be applied to foundation structure of high temperature storage tank |
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| Country | Link |
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| CN (1) | CN117166518A (en) |
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- 2022-05-27 CN CN202210584474.XA patent/CN117166518A/en active Pending
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