CN114524203A - Vertical metal storage tank - Google Patents
Vertical metal storage tank Download PDFInfo
- Publication number
- CN114524203A CN114524203A CN202011198944.6A CN202011198944A CN114524203A CN 114524203 A CN114524203 A CN 114524203A CN 202011198944 A CN202011198944 A CN 202011198944A CN 114524203 A CN114524203 A CN 114524203A
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- Prior art keywords
- tank
- storage tank
- inner tank
- wall
- outer tank
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- 238000003860 storage Methods 0.000 title claims abstract description 55
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
- B65D90/51—Arrangements of indicating or measuring devices of leakage-indicating devices characterised by sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/06—Large containers rigid cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/028—Wall construction hollow-walled, e.g. double-walled with spacers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/24—Spillage-retaining means, e.g. recovery ponds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a vertical metal double-wall storage tank. The storage tank comprises an inner tank, an outer tank, a gap space between the inner tank and the outer tank and accessories; the inner tank comprises an inner tank bottom, an inner tank wall and an inner tank top; the outer tank comprises an outer tank bottom, an outer tank wall and an outer tank top; an oil gas leakage monitoring system is arranged in a gap space between the inner tank and the outer tank, and the gap space needs to be capable of completely containing liquid leaked from the inner tank; the bottom of the inner tank is preferably supported by I-shaped steel. The double-wall structure storage tank can monitor oil gas leakage in the tank in real time and ensure that oil products can be stored in the outer tank once the inner tank is damaged. The utility model realizes the intrinsic safety design of the storage tank and ensures the operation safety of the storage tank.
Description
Technical Field
The utility model belongs to the field of petrochemical equipment, and particularly relates to a vertical metal storage tank.
Background
The vertical cylindrical steel welded storage tank is used as an important oil-gas storage facility and is widely applied to storage of crude oil, finished oil, sewage and other liquids in the petrochemical industry. At present, steel oil tanks at home and abroad are mostly single-wall tanks and have the following problems; firstly, a single-layer bottom plate is directly located on the surface of a foundation and is kept relatively stable by the friction between the bottom plate and the foundation, the structure cannot monitor the leakage of the bottom plate of the tank, and once the bottom plate is corroded and leaked, underground water sources and soil pollution are caused; and secondly, after the storage tank is broken, the liquid in the storage tank flows around, possibly overflows the fire bank, cannot be effectively controlled, and the oil product is exposed in the air, so that fire and explosion accidents are easily caused.
CN201610092774.0 relates to a vertical large-scale steel oil tank, which comprises a tank bottom, a tank wall and a tank top, wherein a transitional connecting ring is adopted between the tank bottom and the tank wall, the transitional connecting ring comprises a bottom annular section, an arc-shaped transitional section and a vertical cylinder section, the tank bottom is welded with the bottom annular section of the transitional connecting ring, and the tank wall is welded with the vertical cylinder section of the transitional connecting ring. The oil tank eliminates the T-shaped joint between the wall and the bottom of the tank and the large-angle welding seam at the joint part, reduces the possibility of low-cycle fatigue failure and tearing failure at the large-angle welding seam position, but cannot solve the problems.
CN208165718U discloses a double-layer storage tank, comprising: an outer tank and an inner tank; a plurality of fixing rods are arranged between the inner tank and the outer tank, one ends of the fixing rods are arranged on the inner surface of the outer tank, and the other ends of the fixing rods are provided with pulleys which are tightly attached to the outer surface of the inner tank; the inner tank is provided with a first rotating shaft, a second rotating shaft, a temperature control device and a heat insulation layer; one end of the first rotating shaft is arranged on the outer surface of the inner tank, and the other end of the first rotating shaft is fixed on the inner surface of the outer tank through a bearing; one end of the second bearing is arranged on the outer surface of the inner tank, and the other end of the second bearing penetrates through the outer tank and is connected to the driving device; the heat insulation layer is arranged on the outer surface of the inner tank; the temperature control device includes: the solar energy power storage device, the heating device and the temperature control system. The utility model has the characteristics of fire prevention in summer, excessive adhesion prevention of materials by heating in winter and the like.
CN 207555204U discloses an inner support structure for heavy double-deck vertical storage tank, relates to the vertical storage tank field of cryogenic liquids. The internal support mechanism of the heavy double-layer vertical storage tank comprises an outer shell and an inner container which are coaxially and vertically arranged. A supporting structure is arranged between the shell and the inner container, the supporting structure comprises a cover plate, a reinforcing ring, a fixing pipe, glass fiber reinforced plastic and a stop block, and the stop block is arranged along the circumferential direction of the inner container. The utility model solves the problems that the glass fiber reinforced plastic is damaged due to the fact that the inner container is heavy in weight, the curvatures of the strain strengthening products in the circumferential direction are not consistent, and the glass fiber reinforced plastic rotates in the manufacturing process, ensures that the glass fiber reinforced plastic is not damaged in the laminar direction, enables the storage tank to be manufactured safely, and meets the relevant use conditions of transportation, earthquakes and the like.
Disclosure of Invention
The utility model aims to provide a vertical metal storage tank, which solves the problems of leakage monitoring of a tank bottom plate and effective control of a large amount of leaked liquid so as to ensure safe and stable operation of the storage tank.
The utility model provides a vertical metal double-wall storage tank, which comprises an inner tank, an outer tank, a gap space between the inner tank and the outer tank and accessories, wherein the inner tank is arranged in the gap space;
the inner tank comprises an inner tank bottom, an inner tank wall and an inner tank top; the outer tank comprises an outer tank bottom, an outer tank wall and an outer tank top;
an oil gas leakage monitoring system is installed in a gap space between the inner tank and the outer tank, and the gap space needs to be capable of completely containing liquid leaked from the inner tank.
Furthermore, the leakage monitoring system meets the requirements of online real-time monitoring and gives an alarm when oil gas leakage occurs.
Furthermore, I-shaped steel is adopted to support the bottom of the inner tank. Preferably, the i-steel support comprises more than two circles of annular i-steel structures. Namely, the I-shaped steel is laid in a circular closed loop structure along the circumferential direction of the bottom of the inner tank. The circle centers of the I-shaped steel annular structures more than two circles are overlapped. Preferably, the vertical neutral plane of the outer ring I-steel coincides with the neutral plane of the inner tank wall. Along the height direction of the storage tank, the lower end of the I-shaped steel support is fixed on the upper surface of the bottom of the outer tank, and the upper end of the I-shaped steel support is fixed on the lower surface of the bottom of the inner tank. The bottom of the outer tank is supported by a reinforced concrete annular wall type hard foundation.
Furthermore, a plurality of air holes are formed in the I-shaped steel support. The plurality of air holes are uniformly distributed on the I-shaped steel supporting structure with more than two circles along the annular direction.
Further, the leak monitoring system includes at least one oil-gas concentration or liquid pressure sensor. The sensor can be arranged at any position in a gap space between the inner tank and the outer tank, such as in the gap space between the inner tank wall and the outer tank wall, or in the gap space between the inner tank bottom and the outer tank bottom. The leakage of the storage tank is mainly caused by corrosion of the bottom plate of the tank, and the storage tank wall plate is hardly corroded and leaked. More preferably, a sensor is arranged at the center of a gap space between the bottom of the inner tank and the bottom of the outer tank, and a plurality of sensors are uniformly arranged in the annular space of more than two circles of annular I-shaped steel.
Furthermore, the accessories on the tank body comprise a coiled ladder, a reinforcing ring, an anti-wind ring, a manhole, a drainage system, an oil inlet and outlet connecting pipe and the like.
Further, the inner tank top can be an outer floating top or a fixed top, and the outer tank top can be a flat top. The upper edge of the outer tank wall is lower than the upper edge of the inner tank wall.
Further, the inner tank bottom can adopt a structure formed by combining a straight section and an arched section, for example, the bottom of the inner tank contacting with the upper surface of the annular I-shaped steel adopts a straight steel plate, and the inner tank bottoms corresponding to the annular space of two circles of annular I-shaped steel and the circular space of the inner ring annular I-shaped steel adopt an arched steel plate.
Compared with the prior art, the vertical metal storage tank has the beneficial effects that:
1. the vertical cylindrical steel welding storage tank is designed into a double-wall tank structure, and an oil gas leakage monitoring system is installed in a gap space between the bottom of the inner tank and the bottom of the outer tank, so that leakage of a bottom plate of the storage tank can be monitored and alarmed in real time. The I-shaped steel is used for supporting the bottom of the inner tank through the bottom of the outer tank, so that the rigidity of the storage tank structure can be ensured, and the deformation of the bottom plate is prevented. Through setting up the clearance space between inner tank and the outer jar, can hold the liquid that leaks from the inner tank completely, guaranteed the security after the storage tank leaks.
2. The double-wall structure storage tank can monitor oil gas leakage in the tank in real time, and ensures that oil products can be stored in the outer tank once the inner tank is damaged, thereby realizing the intrinsic safety design and ensuring the operation safety of the storage tank.
3. In the utility model, the bottom of the inner tank can adopt a structure formed by combining a straight section and an arched section, and compared with a horizontal bottom plate, the structure has higher bearing capacity and spanning capacity, and meanwhile, the structure saves materials, is convenient to construct and is durable. The arched bottom plate conforms to the mechanics principle, the arched bridge can decompose part of gravity into horizontal force, so that the bearing capacity of the bridge is greatly improved, and under the action of vertical load, both ends of the arch have vertical counter force and horizontal counter force; the bending moment of the arch is greatly reduced due to the action of horizontal counterforce. Therefore, the reasonable arch shaft can ensure that the pressure, the bending moment and the shearing force of the arch are small.
Drawings
FIG. 1 is a schematic axial cross-sectional view of a vertical metal storage tank of the present invention;
wherein, 1-inner tank top, 2-inner tank wall, 3-inner tank bottom, 4-outer tank top, 5-outer tank wall, 6-outer tank bottom, 7-outer ring I-steel support, 71-flange plate, 72-web plate, 73-air vent), 8-inner ring I-steel support, 81-flange plate, 82-web plate and 83-air vent.
FIG. 2 is a schematic view of a vertical metal double wall can bottom to bottom support;
the sensor comprises 7-outer ring I-steel support, 71-flange plate, 72-web plate, 73-air hole, 8-inner ring I-steel support, 81-flange plate, 82-web plate, 83-air hole, 9-sensor and 10-sensor lead.
FIG. 3 is a schematic view of an arch bridge type inner tank floor;
the method comprises the following steps of (1) forming an inner tank wall, (3) forming an inner tank bottom, (5) forming an outer tank wall, (6) forming an outer tank bottom, (7) forming an outer ring I-steel support, and (8) forming an inner ring I-steel support.
FIG. 4 is a schematic view of the construction of an arch bridge type inner tank floor;
wherein, 31-straight section A, 32-arch section A, 33-straight section B, 34-arch section B.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, which are provided for implementing the technical solution of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
As shown in fig. 1, the large-scale petroleum storage tank comprises an inner tank top 1, an inner tank wall 2, an inner tank bottom 3, an outer tank top 4, an outer tank wall 5, an outer tank bottom 6, an outer ring i-steel support 7 (comprising a flange plate 71, a web plate 72 and air holes 73) and an inner ring i-steel support 8 (comprising a flange plate 81, a web plate 82 and air holes 83).
As shown in fig. 2, the double-wall tank bottom inter-support comprises an outer ring i-steel support 7 (the outer ring i-steel support 7 comprises a flange plate 71, a web plate 72 and air holes 73), an inner ring i-steel support 8 (the inner ring i-steel support 8 comprises a flange plate 81, a web plate 82 and air holes 83), and an oil gas leakage monitoring system comprises a sensor 9 and a sensor lead 10. Outer lane I-steel supports 7, inner circle I-steel support 8 ring-type setting is in the clearance space of inner tank bottoms 3 and outer tank bottoms 6, and wherein, two upper and lower flange plates of I-steel weld respectively in 3 lower surfaces of inner tank bottoms, 6 upper surfaces of outer tank bottoms. The air holes 73 and 83 are uniformly distributed on the I-shaped steel web plate along the annular direction, on one hand, the air holes can be used for the circulation of liquid and gas in a gap space, so that the sensor 9 monitors the change of gas concentration or liquid pressure, and on the other hand, the air holes can be used for leading out a sensor lead wire 10 to be connected to an alarm system. In order to prevent the deformation of the bottom plate and ensure that the bottom plate has enough rigidity, the number of turns of the I-steel support is adjusted according to the volume of the storage tank.
The double-layer oil tank is composed of an inner tank and an outer tank which completely seals the inner tank, and a gap space is arranged between the inner tank and the outer tank. The interstitial space is able to fully contain all liquid leaking from the inner vessel. Inner tank bottoms 3 and outer tank bottoms 6's clearance space mountable oil gas leakage monitoring sensor 9, sensor 9 install in the center of outer tank bottoms 6 upper surface, through gas concentration or liquid pressure's change, judge whether seepage or leakage phenomenon appear in the storage tank. The sensor lead 10 is led out of the tank bottom through the outer ring I-steel air holes 73 and the inner ring I-steel air holes 83, and is led out of the tank after the hole is formed in the lower part of the outer tank wall 5.
The oil storage tank bottom plate corrodes and destroys the most seriously, if inner tank bottom 3 takes place to corrode and leaks, the gas or the liquid that have certain pressure can get into the clearance space of inner tank bottom 3 and outer tank bottom 6, and the pressure or the liquid level of clearance space can change, trigger alarm device. At this time, although the liquid leaks to the gap space, the liquid does not enter the soil because the outer tank is intact, thereby ensuring the safety of the stored liquid, the soil and the underground water. If the seepage takes place for outer tank bottoms 6, liquid such as outside gas or rainwater can get into the clearance space of inner tank bottoms 3 and outer tank bottoms 6, and the pressure or the liquid level of clearance space can change, trigger alarm device. At this moment, because the inner tank is intact, can not influence the safe storage of inner tank oil.
The bottom 3 of the inner tank can be an external floating roof or a fixed roof.
The double-wall tank can be installed in the following sequence, namely an outer tank bottom 6, an outer ring I-steel support 7, an inner ring I-steel support 8, a sensor 9, a sensor lead 10, an inner tank bottom 3, an inner tank wall 2, an inner tank top 1, an outer tank wall 5 and an outer tank top 4.
Finally, accessories such as a disc ladder, a reinforcing ring, an anti-wind ring, a manhole, a drainage system, an oil inlet and outlet connecting pipe and the like are arranged on the implemented large-scale oil tank body.
The utility model can be used for storing other liquid materials besides crude oil and product oil.
Example 2
The basic structure is the same as that of embodiment 1, wherein the inner tank bottom adopts the structure shown in figures 3-4. The bottom of the inner tank adopts a structure formed by combining a straight section A31, an arch section A32, a straight section B33 and an arch section B34. The radial width of the straight section A31 is determined by the width of the outer bottom plate of the inner tank wall 2 and the radial width of the flange plate 71, the radial width of the straight section B33 is determined by the width of the flange plate 81, and the camber of the arched section A32 and the arched section B34 is determined by calculation according to the diameter, the thickness and the like of the storage tank.
Claims (14)
1. A vertical metal double-wall storage tank is characterized in that the storage tank comprises an inner tank, an outer tank, a gap space between the inner tank and the outer tank and accessories;
the inner tank comprises an inner tank bottom, an inner tank wall and an inner tank top; the outer tank comprises an outer tank bottom, an outer tank wall and an outer tank top;
an oil gas leakage monitoring system is installed in a gap space between the inner tank and the outer tank, and the gap space needs to be capable of completely containing liquid leaked from the inner tank.
2. The vertical metallic double-walled storage tank of claim 1, wherein said leak monitoring system monitors real-time online and alarms when oil and gas leaks.
3. The vertical metallic double-wall storage tank of claim 1, wherein the bottom of the inner tank is supported by I-shaped steel.
4. The vertical metal double-walled storage tank of claim 3, wherein the I-steel support comprises more than two rings of annular I-steel structures, and the centers of the two rings of annular I-steel structures coincide.
5. The vertical metallic double-walled storage tank of claim 4, wherein the vertical neutral plane of the outer ring I-steel coincides with the neutral plane of the inner tank wall.
6. The vertical metal double-wall storage tank of claim 5, wherein the I-steel support is fixed at the lower end to the upper surface of the bottom of the outer tank and at the upper end to the lower surface of the bottom of the inner tank in the height direction of the storage tank.
7. The vertical metal double wall storage tank of claim 1, wherein said outer tank bottom is supported by a reinforced concrete ring wall hard foundation.
8. The vertical metal double-wall storage tank as claimed in any one of claims 4 to 6, wherein the I-steel support is provided with a plurality of air holes, and the plurality of air holes are uniformly distributed on the I-steel support structure with more than two circles along the circumferential direction.
9. The vertical metallic double-walled storage tank of claim 1, wherein said leak monitoring system comprises at least one of a gas concentration or a liquid pressure sensor.
10. The vertical metallic double-walled storage tank of claim 9, wherein said sensor is disposed in an interstitial space between the inner and outer tank walls and/or an interstitial space between the inner and outer tank bottoms.
11. The vertical metallic double-walled storage tank of claim 10, wherein a sensor is provided at the center of the gap space between the bottom of the inner tank and the bottom of the outer tank, and a plurality of sensors are uniformly provided in the annular space of the annular i-beam of more than two rings.
12. The vertical metal double-walled storage tank of claim 1, wherein the accessories comprise at least one of a coil ladder, a reinforcing ring, a wind-resistant ring, a manhole, a drainage system and an oil inlet and outlet connection pipe.
13. The vertical metal double-walled storage tank of claim 1, wherein the inner tank top is a floating top or a fixed top, the outer tank top is a flat top, and an upper edge of the outer tank wall is lower than an upper edge of the inner tank wall.
14. The vertical metal double-wall storage tank according to any one of claims 3 to 6, wherein the inner tank bottom is of a structure formed by combining a straight section and an arched section, the inner tank bottom in contact with the upper surface of the annular I-beam is not provided with a straight steel plate, an annular space formed by more than two circles of the annular I-beam and the inner tank bottom corresponding to the circular space of the inner circle of the annular I-beam are provided with an arched steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198944.6A CN114524203A (en) | 2020-10-31 | 2020-10-31 | Vertical metal storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198944.6A CN114524203A (en) | 2020-10-31 | 2020-10-31 | Vertical metal storage tank |
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| CN114524203A true CN114524203A (en) | 2022-05-24 |
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| CN202011198944.6A Pending CN114524203A (en) | 2020-10-31 | 2020-10-31 | Vertical metal storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116253075A (en) * | 2023-05-15 | 2023-06-13 | 常州远大新材料科技股份有限公司 | Cyanate ester mixture raw material storage tank for preparing plastering plate |
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| CN203656563U (en) * | 2013-11-19 | 2014-06-18 | 中国石油天然气集团公司 | Overground double-layer metal single-capacity storage tank |
| CN206624262U (en) * | 2017-03-28 | 2017-11-10 | 北京石油化工工程有限公司 | Double-layer tank bottom formula storage tank with outer protective bulkhead |
| CN207827051U (en) * | 2017-12-13 | 2018-09-07 | 山东联星能源集团有限公司 | Double-layer explosion-proof tank |
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| CN211643339U (en) * | 2020-02-27 | 2020-10-09 | 江西贵安实业有限公司 | Double-layer oil tank |
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