CN103174932B - A kind of low-temperature storage tank - Google Patents
A kind of low-temperature storage tank Download PDFInfo
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- CN103174932B CN103174932B CN201310102546.3A CN201310102546A CN103174932B CN 103174932 B CN103174932 B CN 103174932B CN 201310102546 A CN201310102546 A CN 201310102546A CN 103174932 B CN103174932 B CN 103174932B
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Abstract
The invention discloses a kind of low-temperature storage tank, it comprises outer cylinder body, middle cylinder body and inner barrel; Middle cylinder body is arranged between outer cylinder body and inner barrel; The left end of outer cylinder body arranges outer left envelope, right-hand member arranges outer right envelope; At the intermediate portion of the either end of outer cylinder body, vacuum pumping device is set; The outer wall of inner barrel arranges aluminium foil layer, at the some fixing parts of aluminium foil layer outer installment; Form the first cavity between the inwall of middle cylinder body and the outer wall of inner barrel, inner barrel is fixed on the inwall of middle cylinder body by each fixing part; Vacuum pumping device is by the first pipeline communication to the first cavity; Further, the first install pipeline control valve; The outer wall of middle cylinder body arranges the first thermal-protective coating, in the first some supporting portions of thermal-protective coating outer installment; Form the second cavity between the inwall of outer cylinder body and the outer wall of middle cylinder body, wherein fill pearlife; Middle cylinder body is fixed on the inwall of outer cylinder body by each supporting portion; The inwall of outer cylinder body arranges the second thermal-protective coating.
Description
Technical field
The present invention relates to storage tank, in particular, a kind of low-temperature storage tank.
Background technique
The chemical substance that storage tank refines in order to deposit acid, alcohol, gas etc.Its kind is a lot, has substantially: rotational molding storage tank, fiberglass-reinforced glass storage tank, ceramic storage tank, rubber storage tank, welding plastic storage tank etc.With regard to the cost performance of storage tank, now superior with rotational molding storage tank, rotational molding storage tank can divide steel lining plastic storage tank again, and Full plastic storage tank two is greatly, comprises vertical respectively, horizontal, transport, multiple kinds such as stirring.
Existing storage tank needs the cryogenic liquide such as transport or storage liquid nitrogen, liquid oxygen, liquefied ammonia, liquid hydrogen and LNG Liquefied natural gas usually, but how to obtain cold insulation effect better, how to prepare large-scale safety low-temperature storage tank, be the problem that the industry seeks to solve always.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of novel low-temperature storage tank.
Technological scheme of the present invention is as follows: a kind of low-temperature storage tank, and it comprises outer cylinder body, middle cylinder body and inner barrel; Described middle cylinder body is arranged between described outer cylinder body and described inner barrel; The left end of described outer cylinder body arranges outer left envelope, right-hand member arranges outer right envelope; At the intermediate portion of the either end of described outer cylinder body, vacuum pumping device is set; The outer wall of described inner barrel arranges aluminium foil layer, at the some fixing parts of described aluminium foil layer outer installment; Form the first cavity between the inwall of described middle cylinder body and the outer wall of described inner barrel, described inner barrel is fixed on the inwall of described middle cylinder body by each described fixing part; Described vacuum pumping device to described first cavity, for vacuumizing, makes described first cavity vacuum arrange by the first pipeline communication; Further, described first install pipeline control valve, to isolate with described vacuum pumping device for making described first cavity or is communicated with; The outer wall of described middle cylinder body arranges the first thermal-protective coating, in the described first some supporting portions of thermal-protective coating outer installment; Form the second cavity between the inwall of described outer cylinder body and the outer wall of described middle cylinder body, wherein fill pearlife; Described middle cylinder body is fixed on the inwall of described outer cylinder body by each described supporting portion; The inwall of described outer cylinder body arranges the second thermal-protective coating.
Preferably, in described low-temperature storage tank, described vacuum pumping device is also communicated to described second cavity by second pipe, makes described second cavity be in powder under vacuum state for vacuumizing.
Preferably, in described low-temperature storage tank, described vacuum pumping device is also provided with the first liquid mouth, liquid-discharging tube and liquid level liquid-phase tube, and described first liquid mouth, described liquid-discharging tube and described liquid level liquid-phase tube communicate, and described liquid-discharging tube extends to outside, the end of described liquid-discharging tube also connects one first pipe cap; The corresponding end of the outer wall of described inner barrel arranges the second liquid mouth, exhaust tube, flow-off, liquid level gas phase pipe, described exhaust tube, described flow-off and described liquid level gas phase pipe are located between described inner barrel and described outer cylinder body, and through described middle cylinder body, described second liquid mouth extends to the outside of outer cylinder body, and the end of described second liquid mouth also connects one second pipe cap.
Preferably, in described low-temperature storage tank, also arrange some bulge loops in described aluminium foil layer outside, described bulge loop arranges some for ventilative through hole and at least 3 fixed positions; Described inner barrel is fixed on the inwall of described middle cylinder body by each described fixed position of each described bulge loop.
Preferably, in described low-temperature storage tank, in described first cavity, be positioned at the lower position of described inner barrel, some first curved supports are set, for supporting described inner barrel; Further, in described second cavity, be positioned at the lower position of described middle cylinder body, some second curved supports are set, for supporting described middle cylinder body.
Preferably, described low-temperature storage tank also arranges the first mounting pipe and the second mounting pipe, and each described first curved support is fixed on described first mounting pipe, and each described second curved support is fixed on described second mounting pipe.
Preferably, in described low-temperature storage tank, the outer wall of described outer cylinder body is also provided with some rigid hollow tube be interconnected, and radial direction arranges the rigid solid bearing part of some arcs; Described rigid hollow tube adopts same material to prepare with described rigid solid bearing part.
Preferably, described low-temperature storage tank also arranges power supply change-over device and refrigeration plant, and also partly arranges solar panel at described outer cylinder body outer wall; Described solar panel, for obtaining solar energy, is supplied to described power supply change-over device, provides the energy after especially changing into described refrigeration plant; Described rigid hollow tube arranges air-supply port on the outer wall top of described outer cylinder body, arranges exhausting port in the outer wall bottom of described outer cylinder body; Described refrigeration plant arranges and being communicated with described exhausting port, for cool air being extracted out the first fan of described rigid hollow tube, and being communicated with described air-supply port, for cool air being sent into the second fan of described rigid hollow tube.
Preferably, in described low-temperature storage tank, the inwall of described outer cylinder body also axially arranges some stiffening ribs, and each described stiffening rib and each described rigid solid bearing part have netted projection.
Preferably, in described low-temperature storage tank, arrange three described stiffening ribs, its radius is the thickness of described outer cylinder body.
Adopt such scheme, the present invention adopts multiple interlayer heat preservation technology and dispersive pressure technology, not only increases heat insulation effect and support effect, can also produce large-scale low-temperature storage tank, has fabulous market application foreground.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one embodiment of the present of invention;
Fig. 2 is the schematic diagram of an alternative embodiment of the invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail.
As depicted in figs. 1 and 2, one embodiment of the present of invention are, a kind of low-temperature storage tank, is characterized in that, comprise outer cylinder body 101, middle cylinder body 102 and inner barrel 103, described middle cylinder body is arranged between described outer cylinder body and described inner barrel.
The left end of described outer cylinder body arranges outer left envelope 106, right-hand member arranges outer right envelope 109; Outer left envelope and outer right envelope belong to usual means for cylindrical body storage tank, and claimant has had off-the-shelf to use outer left envelope and outer right envelope, and therefore not to repeat here.Preferably, described outer cylinder body, described outer left envelope and described outer right envelope all adopt Q345R steel standby.
At the intermediate portion of the either end of described outer cylinder body, vacuum pumping device is set; Such as, as shown in Figure 1, vacuum pumping device 111 is set at the intermediate portion of the right-hand member of described outer cylinder body; Vacuum pumping device contributes to forming vacuum heat-insulating layer, avoids the material in storage tank to obtain external heat with radiation mode.
The outer wall of described inner barrel arranges aluminium foil layer 203, at the some fixing parts 107 of described aluminium foil layer outer installment; Preferably, each fixing part adopts welding or screw connection manner to be fixed on the inwall of described outer cylinder body.Preferably, also arrange some bulge loops in described aluminium foil layer outside, described bulge loop arranges some for ventilative through hole and at least 3 fixed positions; Described inner barrel is fixed on the inwall of described middle cylinder body by each described fixed position of each described bulge loop.
Form the first cavity 104 between the inwall of described middle cylinder body and the outer wall of described inner barrel, described inner barrel is fixed on the inwall of described middle cylinder body by each described fixing part; Preferably, in described first cavity, be positioned at the lower position of described inner barrel, some first curved supports are set, for supporting described inner barrel; Further, in described second cavity, be positioned at the lower position of described middle cylinder body, some second curved supports are set, for supporting described middle cylinder body.Preferably, also arrange the first mounting pipe and the second mounting pipe, each described first curved support is fixed on described first mounting pipe, and each described second curved support is fixed on described second mounting pipe; Like this, installation and removal are convenient to.Preferably, the described arc of described first curved support, is arranged with the concyclic heart of the radial direction of described inner barrel, i.e. radially section, and the center of circle of described arc overlaps with the center of circle of described inner barrel; Further, the described arc of described second curved support, is arranged with the concyclic heart of the radial direction of described middle cylinder body, i.e. radially section, and the center of circle of described arc overlaps with the center of circle of described middle cylinder body.Preferably, described inner barrel, described middle cylinder body and described outer cylinder body have same axle, and three is coaxial clyinder.Preferably, the central pillar part of described curved support is provided with two parallel axial supports, for strengthening strength.
Described vacuum pumping device is communicated to described first cavity by the first pipeline 110, for vacuumizing, described first cavity vacuum is arranged; Further, described first install pipeline control valve 112, to isolate with described vacuum pumping device for making described first cavity or is communicated with; Preferably, described vacuum pumping device is also communicated to described second cavity by second pipe, makes described second cavity be in powder under vacuum state for vacuumizing.Another example is, described vacuum pumping device is also provided with the first liquid mouth, liquid-discharging tube and liquid level liquid-phase tube, described first liquid mouth, described liquid-discharging tube and described liquid level liquid-phase tube communicate, and described liquid-discharging tube extends to outside, and the end of described liquid-discharging tube also connects one first pipe cap; The corresponding end of the outer wall of described inner barrel arranges the second liquid mouth, exhaust tube, flow-off, liquid level gas phase pipe, described exhaust tube, described flow-off and described liquid level gas phase pipe are located between described inner barrel and described outer cylinder body, and through described middle cylinder body, described second liquid mouth extends to the outside of outer cylinder body, and the end of described second liquid mouth also connects one second pipe cap.Preferably, also comprise a control terminal, for automatically controlling the open and close of described vacuum pumping device, and the open and close of control valve described in coordinated signals.Preferably, also comprise a vacuum measurement instrument, for when described first cavity or the second cavity reach a preset air pressure value, notice control terminal, automatic vacuum.
The outer wall of described middle cylinder body 102 arranges the first thermal-protective coating 202, in the described first some supporting portions 108 of thermal-protective coating outer installment; Preferably, described first thermal-protective coating is composite heat shield or plastic layer, such as styrofoam or magnesium oxide gelatinization material thermal-protective coating etc.
Form the second cavity 105 between the inwall of described outer cylinder body and the outer wall of described middle cylinder body, wherein fill pearlife; Preferably, vacuumize at the second cavity after filling up pearlife, because the capacity of heat transmission of pearlife is poor, the effect of heat insulation thermal insulation after exhausting vacuum, can be reached better.
Described middle cylinder body is fixed on the inwall of described outer cylinder body by each described supporting portion; Preferably, each supporting portion adopts welding or screw connection manner to be fixed on the inwall of described outer cylinder body.
The inwall of described outer cylinder body 101 arranges the second thermal-protective coating 201.Preferably, steel mesh is welded in steel body surface, with pure polyethylene for raw material, adopt rotational molding technique steel plate, steel mesh and polyethylene to be organically combined integral as described outer cylinder body, wherein, polyethylene is secured in the surface of steel body.Preferably, described second thermal-protective coating is composite heat shield or plastic layer, such as styrofoam or magnesium oxide gelatinization material thermal-protective coating etc.
The above-mentioned any embodiment of connected applications, preferably, the outer wall of described outer cylinder body is also provided with some rigid hollow tube be interconnected, and radial direction arranges the rigid solid bearing part of some arcs; The described arc of rigid solid bearing part, is arranged with the concyclic heart of the radial direction of described outer cylinder body, i.e. radially section, and the center of circle of described arc overlaps with the center of circle of described outer cylinder body.That is, described outer cylinder body is cylindrical, its outer wall arranges some rigid hollow tube, each rigid hollow tube is interconnected, such as, described outer cylinder body is be sidelong cylindrical, preferably, each rigid hollow tube arranges a common port on the columniform top of being sidelong, and also arranges a common port in the columniform bottom of being sidelong; Namely all rigid hollow tube share this two ports.Preferably, each rigid hollow tube is the coil pipe that double helix is arranged, and it arranges semi-circular cross-section; The each related embodiment of the present invention introduces the double-spiral structure being similar to gene field cleverly, but structure is distinguished with it to some extent, the coil pipe that double helix is arranged is for axle with described outer cylinder body, outer cylinder body puts the cylindrical body fallen for side, from left and right or from right to left, arrange two spirals respectively in the direction of the clock or counterclockwise, namely two spirals are left hand helix or are right-handed helix, and both are communicated with; In other words, arrange two spirals in the direction of the clock with counterclockwise respectively, its intersection is communicated with setting, and namely described double helix is one; The part that can be understood as left hand helix and right-handed helix intersects; Now two pipes are communicated with, and meanwhile, the cylindrical body upper and lower of falling in side has a common port respectively; Like this, adopt such scheme, the experiment proved that and can greatly strengthen the efficiency of heating surface or cooling effectiveness, there is good effect; Normally for cooling.Described coil pipe has semi-circular cross-section, and described coil pipe side has the flat surface that matches with described outer wall surface with the outer wall of described outer cylinder body of fitting, for regulating the temperature of described outer cylinder body; That is, the flat setting of coil pipe one side, to contact with the outer wall of outer cylinder body as far as possible, strengthen the conducting effect of heat, and away from a camber of outer cylinder body outer wall, with on same material foundation, obtain larger sectional area, or perhaps obtain larger volume.Preferably, coil pipe is aluminum pipe or copper pipe.Preferably, described rigid hollow tube adopts same material to prepare with described rigid solid bearing part.
The inwall of described outer cylinder body also axially arranges some stiffening ribs, and each described stiffening rib and each described rigid solid bearing part have netted projection; Each stiffening rib is all vertical with each rigid solid bearing part.Preferably, arrange three described stiffening ribs, its radius is the thickness of described outer cylinder body.Preferably, the thickness of described outer cylinder body is 1.0-1.5 centimetre.
Preferably, described low-temperature storage tank also arranges power supply change-over device and refrigeration plant, and also partly arranges solar panel at described outer cylinder body outer wall; Described solar panel, for obtaining solar energy, is supplied to described power supply change-over device, provides the energy after especially changing into described refrigeration plant; Described rigid hollow tube arranges air-supply port on the outer wall top of described outer cylinder body, arranges exhausting port in the outer wall bottom of described outer cylinder body; Described refrigeration plant arranges and being communicated with described exhausting port, for cool air being extracted out the first fan of described rigid hollow tube, and being communicated with described air-supply port, for cool air being sent into the second fan of described rigid hollow tube.Like this, send cold wind above, below exhausting, efficiently utilize hot gas rising cold air decline the natural law, enhance refrigeration.Utilize this technology, the temperature of outer cylinder body can be made to decline, form one deck low-temperature protection layer in outside, greatly strengthen cold insulation effect when open air is especially transported; Meanwhile, owing to make use of solar battery technology, save the energy, be particularly useful for long haul.
Preferably, described power supply change-over device also arranges lithium-ions battery, for utilizing solar panel to be charged to lithium-ions battery, and then is supplied to described refrigeration plant; Preferably; described power supply change-over device also arranges charging management system; for managing the charged state of solar panel to lithium-ions battery; avoid overcharging or crossing putting; this is the exclusive invention intention of claimant according to practical situation; cooling refrigeration can be provided to protect at skin, avoid being heated of low-temperature storage tank, more effective ensured low temperature store effect.
Further, embodiments of the invention can also be, each technical characteristics of the various embodiments described above, the low-temperature storage tank be mutually combined to form
It should be noted that, above-mentioned each technical characteristics continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that specification of the present invention is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. a low-temperature storage tank, is characterized in that, comprises outer cylinder body, middle cylinder body and inner barrel;
Described middle cylinder body is arranged between described outer cylinder body and described inner barrel;
The left end of described outer cylinder body arranges outer left envelope, right-hand member arranges outer right envelope;
At the intermediate portion of the either end of described outer cylinder body, vacuum pumping device is set;
The outer wall of described inner barrel arranges aluminium foil layer, at the some fixing parts of described aluminium foil layer outer installment;
Form the first cavity between the inwall of described middle cylinder body and the outer wall of described inner barrel, described inner barrel is fixed on the inwall of described middle cylinder body by each described fixing part; Described vacuum pumping device to described first cavity, for vacuumizing, makes described first cavity vacuum arrange by the first pipeline communication; Further, described first install pipeline control valve, to isolate with described vacuum pumping device for making described first cavity or is communicated with;
The outer wall of described middle cylinder body arranges the first thermal-protective coating, in the described first some supporting portions of thermal-protective coating outer installment;
Form the second cavity between the inwall of described outer cylinder body and the outer wall of described middle cylinder body, wherein fill pearlife;
Described middle cylinder body is fixed on the inwall of described outer cylinder body by each described supporting portion;
The inwall of described outer cylinder body arranges the second thermal-protective coating;
Described vacuum pumping device is also communicated to described second cavity by second pipe, makes described second cavity be in powder under vacuum state for vacuumizing.
2. low-temperature storage tank according to claim 1, it is characterized in that, described vacuum pumping device is also provided with the first liquid mouth, liquid-discharging tube and liquid level liquid-phase tube, described first liquid mouth, described liquid-discharging tube and described liquid level liquid-phase tube communicate, and described liquid-discharging tube extends to outside, the end of described liquid-discharging tube also connects one first pipe cap;
The corresponding end of the outer wall of described inner barrel arranges the second liquid mouth, exhaust tube, flow-off, liquid level gas phase pipe, described exhaust tube, described flow-off and described liquid level gas phase pipe are located between described inner barrel and described outer cylinder body, and through described middle cylinder body, described second liquid mouth extends to the outside of outer cylinder body, and the end of described second liquid mouth also connects one second pipe cap.
3. low-temperature storage tank according to claim 1, is characterized in that, also arrange some bulge loops in described aluminium foil layer outside, and described bulge loop arranges some for ventilative through hole and at least 3 fixed positions;
Described inner barrel is fixed on the inwall of described middle cylinder body by each described fixed position of each described bulge loop.
4. low-temperature storage tank according to claim 1, is characterized in that, in described first cavity, be positioned at the lower position of described inner barrel, arrange some first curved supports, for supporting described inner barrel; Further, in described second cavity, be positioned at the lower position of described middle cylinder body, some second curved supports are set, for supporting described middle cylinder body.
5. low-temperature storage tank according to claim 4, it is characterized in that, also arrange the first mounting pipe and the second mounting pipe, each described first curved support is fixed on described first mounting pipe, and each described second curved support is fixed on described second mounting pipe.
6. according to the arbitrary described low-temperature storage tank of claim 1 to 5, it is characterized in that, the outer wall of described outer cylinder body is also provided with some rigid hollow tube be interconnected, and radial direction arranges the rigid solid bearing part of some arcs;
Described rigid hollow tube adopts same material to prepare with described rigid solid bearing part.
7. low-temperature storage tank according to claim 6, it is characterized in that, it also arranges power supply change-over device and refrigeration plant, and described outer cylinder body outer wall also part solar panel is set;
Described solar panel, for obtaining solar energy, is supplied to described power supply change-over device, provides the energy after changing into described refrigeration plant;
Described rigid hollow tube arranges air-supply port on the outer wall top of described outer cylinder body, arranges exhausting port in the outer wall bottom of described outer cylinder body;
Described refrigeration plant arranges and being communicated with described exhausting port, for cool air being extracted out the first fan of described rigid hollow tube, and being communicated with described air-supply port, for cool air being sent into the second fan of described rigid hollow tube.
8. low-temperature storage tank according to claim 6, it is characterized in that, the inwall of described outer cylinder body also axially arranges some stiffening ribs, and each described stiffening rib and each described rigid solid bearing part have netted projection.
9. low-temperature storage tank according to claim 8, it is characterized in that, arrange three described stiffening ribs, its radius is the thickness of described outer cylinder body.
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| CN201310102546.3A CN103174932B (en) | 2013-03-27 | 2013-03-27 | A kind of low-temperature storage tank |
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| CN201310102546.3A CN103174932B (en) | 2013-03-27 | 2013-03-27 | A kind of low-temperature storage tank |
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| CN103174932B true CN103174932B (en) | 2015-08-19 |
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Families Citing this family (3)
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| KR20160036837A (en) * | 2014-09-26 | 2016-04-05 | 대우조선해양 주식회사 | Boil-off Rate Reduction Method for Liquified Natural Gas Storage Tank |
| US11619354B2 (en) | 2018-07-06 | 2023-04-04 | King Fahd University Of Petroleum And Minerals | Multi-walled fluid storage tank |
| CN110906159B (en) * | 2019-11-19 | 2021-09-24 | 安徽启东热能科技有限公司 | Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2813235B1 (en) * | 2000-08-30 | 2002-10-25 | Commissariat Energie Atomique | THERMOPLASTIC STRUCTURE AND RESERVOIR |
| KR101403621B1 (en) * | 2011-05-12 | 2014-06-05 | 대우조선해양 주식회사 | Structure and manufacturing method of storing container for liquefied natural gas |
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| DE10335246A1 (en) * | 2003-08-01 | 2005-02-24 | Bayerische Motoren Werke Ag | Vehicle has cryogenic fuel tank with a vacuum insulation layer between the inner cryogenic fuel-containing tank and the outer tank, and a third layer between the inner and outer tank |
| DE102008061023A1 (en) * | 2007-12-14 | 2009-10-08 | GM Global Technology Operations, Inc., Detroit | Inner shell for a pressure vessel |
| EP2151390A1 (en) * | 2008-08-09 | 2010-02-10 | Tetra Laval Holdings & Finance SA | Packaging method and unit for producing sealed packages of a food product pourable into a tube of packaging material |
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