CN207438129U - Low-temperature storage tank bottom cold-keeping device - Google Patents
Low-temperature storage tank bottom cold-keeping device Download PDFInfo
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- CN207438129U CN207438129U CN201721436002.0U CN201721436002U CN207438129U CN 207438129 U CN207438129 U CN 207438129U CN 201721436002 U CN201721436002 U CN 201721436002U CN 207438129 U CN207438129 U CN 207438129U
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- 238000003860 storage Methods 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 47
- 239000002131 composite material Substances 0.000 claims description 24
- 239000004411 aluminium Substances 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 14
- 239000011494 foam glass Substances 0.000 claims description 13
- 239000010451 perlite Substances 0.000 claims description 13
- 235000019362 perlite Nutrition 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
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- 150000001875 compounds Chemical class 0.000 claims description 2
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- 239000000463 material Substances 0.000 abstract description 16
- 238000009833 condensation Methods 0.000 abstract description 3
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- 239000010410 layer Substances 0.000 description 110
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- 238000003475 lamination Methods 0.000 description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 16
- 230000006872 improvement Effects 0.000 description 15
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 14
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- 239000002245 particle Substances 0.000 description 9
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- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- 239000010436 fluorite Substances 0.000 description 8
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- 229910052751 metal Inorganic materials 0.000 description 4
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Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Low-temperature storage tank bottom cold-keeping device disclosed in the utility model, including tank body lower part side wall construction and polycrystalline substance, outer tank portion, middle tank portion and inner canister portion of the tank body lower part side wall construction from storage tank from outside to inside, the middle tank portion include inorganic non-metallic layer；Polycrystalline substance, from bottom to top including concrete layer, screed-coat, inorganic non-metallic layer, inner canister；Inorganic non-metallic layer is used as pressure-bearing and insulation construction.The utility model with relatively low coefficient of thermal expansion, so as to avoid tank bottom condensation frosting is being used, and avoids material deformation, so as to improve the service life of tank body and safety in utilization, reduces maintenance difficulties by special insulation construction.
Description
Technical field
The utility model is related to a kind of liquefied gas storages, particularly low-temperature storage tank bottom cold-keeping device.
Background technology
In low-temperature storage tank in actual use, often occur the situation of frosting moisture condensation in the bottom of filling, show tank body
Bottom heat preservation there is a problem, the low-temperature shrink through thinking tank in the reason for causing to keep the temperature exception mainly metal causes
's.The size of low-temperature storage tank is all bigger, and diameter is generally above 50 meters, and such size is tired out with the variation of temperature
Meter deformation quantity is very big, and the material of different layers is different, and difference of linear expansion is big, and mutual shifting can be formed between different layers
Dynamic, the huge inner canister of weight, middle tank and the cryogenic substance of storage can cause to form very big frictional force between layers, draw
Insulating layer is ripped, forms gap, heat insulation effect is deteriorated.In addition using 9 nickel steels, price is very expensive, and welding requirements is very high, and one
There is gap in denier, and consequence is hardly imaginable, easily forms security risk.
Utility model content
To solve the above problems, low-temperature storage tank bottom cold-keeping device disclosed in the utility model, material therefor all have compared with
Low coefficient of thermal expansion so as to effectively improve the deformed condition of tank body material, coagulates so as to avoid tank bottom in use
Reveal frosting so as to improve the service life of tank body and safety in utilization, reduce maintenance cost and difficulty.
Low-temperature storage tank bottom cold-keeping device disclosed in the utility model is tied including tank body lower part side wall construction and bottom
Structure, outer tank portion, middle tank portion and inner canister portion of the tank body lower part side wall construction from storage tank from outside to inside, the middle tank portion include inorganic
Non-metallic layer；Polycrystalline substance, from bottom to top including concrete layer, screed-coat, inorganic non-metallic layer, inner canister；Inorganic non-metallic layer
As pressure-bearing and insulation construction.
The low-temperature storage tank bottom cold-keeping device, including tank body lower part side wall construction and polycrystalline substance, tank body lower part side wall
Structure includes outer tank portion, middle tank portion and the inner canister portion from storage tank from outside to inside, and the middle tank portion includes inorganic non-metallic layer；Bottom
Portion's structure, from bottom to top including concrete layer, screed-coat, inorganic non-metallic layer, inner canister；Inorganic non-metallic layer is used as pressure-bearing and guarantor
Warm structure.Inorganic non-metallic layer can include foam glass layer, enhancing flaggy (such as cement plate, plank, composite plate, with enhancing
The structural strength of inorganic non-metallic layer), while the composite film for being adhered to surface is further included, splendid attire is played when leaking and is made
With, and provide protection to other parts structure.In tank body, tank is 9 nickel steels in the metal of the prior art, and linear expansion coefficient is
4.7*10-6, the linear expansion coefficient of traditional thermal insulation material is 3.8*10-6, thermal insulation material and the respective thermal expansion system of metal can
Number have bigger difference, so as to cause tank body in use is highly prone to the sub-cooled of liquefied gas and it is cold that uneven heat expansion occurs
Contracting, such case is especially pronounced after cumulative in large tank, particularly forms gap in tank body junction and influences tank body
Service life and security.The application then proposes improvement for this present situation, brings so as to alleviating difference of linear expansion
It influences.Inorganic non-metallic layer is glued for inorganic heat preservation bulk and the plate of dimensionally stable, pressure-resistant high-intensity by low temperature adhesive
Composition is combined, plate is at least bonded with above pressure-bearing surface.Fiber cement board, resin inorganic board, spy can such as be included
Kind plank etc..
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, inorganic non-metallic layer is at least by high-strength
The precast construction laying of degree foam glass is spliced.
A kind of improvement of low-temperature storage tank bottom cold-keeping device, inorganic non-metallic layer further include pearl disclosed in the utility model
Rock precast construction, high-intensity foam glass precast construction with perlite precast construction are laid with and are spliced to form inorganic non-metallic jointly
Layer.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, inorganic non-metallic layer is perpendicular to tank
The direction of body wall at least a floor height strength foam prefabricated glass structure and/or perlite precast construction.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, inorganic non-metallic layer is in seam portion
Surface be also adhesive with composite membrane, entire inorganic non-metallic layer is closely sealed into a closed entirety.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, high intensity is steeped in inorganic non-metallic layer
At least part surface of foam glass precast construction and/or perlite precast construction is adhesive with composite membrane.Such as including main body and
Seam etc. pastes composite membrane.In addition seam crossing can also be filled with fillers such as bonding agents.Can also have simultaneously
It is irregular mutually to agree with structure, combine effect and bond stability to increase.Preferably, also covered on the surface of seam portion
There is composite membrane, entire inorganic non-metallic layer is closely sealed into a closed entirety.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, high intensity is steeped in inorganic non-metallic layer
The surface in the close outer tank portion or inner canister portion of foam glass precast construction and/or perlite precast construction is covered with composite membrane.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, composite membrane be at least glass fibre with
Aluminium layer collectively forms.It is a kind of composite material, two kinds of materials are bonded together by adhesive, two layers, three layers, four layers or more
The compound of multilayer, the CAC structures such as glass fibre/aluminium layer/glass fibre.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, composite membrane is glass layer, aluminium
It is at least one layer of in layer, alumina layer, wherein pellumina is formed at aluminium layer extremely in the presence of aluminium layer and alumina layer are adjacent simultaneously
Few one side.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, tank body lower part side wall construction is in outer tank
Bed course is provided between middle tank and/or between middle tank and inner canister；Polycrystalline substance is used for levelling screed-coat, wherein bed course
And/or screed-coat includes at least alumina ceramic powder and accounts for bed course or screed-coat gross mass gypsum 30-40%.Based on middle tank
Coefficient of thermal expansion because of material between inner canister or outer tank is different, generates damage frottage due to temperature is different and is also easy to produce crack
Situation, so as to by the alumina ceramic powder in bed course be used as padded coaming, on the one hand slowing down friction along interface direction,
So as to reduce abrasion；On the other hand also by terms of perpendicular to interface, providing buffering and avoid occurring when expanding with heat and contract with cold straight
It connects extruding and forms crackle.Bed course is mainly used for tank wall and/or the interlayer of bottom, can be used as alignment material.
Further, alumina ceramic powder thickness is 0.5-1mm in bed course, and the particle size range of alumina ceramic powder is
1-50 microns, wherein ceramic powder of the grain size less than 10 microns accounts for total volume at least 30%, and grain size is more than 30 microns of ceramic powder
Body accounts for total volume at least 10%.Alumina ceramic powder in bed course is general filling form rather than compaction state.Here pass through
The thickness of ceramic powder and grain size composition in bed course are limited, if this is because after bed course, can substantially increase tank body
Volume so as to improve construction cost, and goes the increase that continues of cushion thickness to have no significant improvement to foregoing cushioning effect, so as to
Without further being thickened to it.And thickness reduces, before thickness is reduced to 100 microns, although the effect to slowing down friction
It is little with influencing, but the buffer capacity in vertical direction can be but remarkably decreased, further reduce of thickness can cause crack shape
Into probability increase.And by being conducive to form grading effect in bed course to the control of particle diameter distribution, it is advantageously implemented to slow
The synergy of punching effect, from the efficient attenuation realized to the extruding generated under the conditions of different swellable filaments.
Further, the raw material of alumina ceramic powder is mainly wt%：Magnesia 2.0-3.5%, calcium carbonate 1.0-
2.0%th, fluorite 1.20-1.40%, the glass micro-fibers 0.20-0.40% of length 10-20nm, surplus are aluminium oxide and inevitable
Impurity.The glass micro-fibers of suitable specific length are added in this programme in alumina ceramic powder raw material, it not only can be with
Certain humidification is played, particularly there is more apparent enhancing effect in large-sized particle, and in small size
In powder granule, when particle diameter is less than fento diameter, fento can protrude the surface of powder granule, so as in entire bed course
Play the role of mutually supporting, and when cold and hot deformation extent is small, it is reduced whole into row buffering with the resilient support of fento
The bodily form becomes, and when deformation extent is big, then by the fento diameter on prominent surface and various sizes of powder granule it
Between displacement squeeze buffering, and deformation is avoided acutely to occur, gives the system time that buffering adapts to, so as to reduce crack generation
Probability.
A kind of improvement of low-temperature storage tank bottom cold-keeping device disclosed in the utility model, the contact site in middle tank portion and Inner tanks portion
At least part and/or at least part of contact site in middle tank portion and outer tank portion be additionally provided with the fastener of fishbone.Here use
Fishbone with thorn portion and osseous part (such as the shape of fish-bone, thorn portion has more root thorn structures, is arranged on osseous part) is imitated
The fastener of raw structure has good toughness and elastic recovery, so as in use to the displacement that cold and hot deformation occurs into
Row is replied, and provides stress expenditure, so as to reduce the probability of crackle appearance from the support angle in structure.Preferably, fish-bone
The thorn portion of the fastener of shape tilts on osseous part to the different directions of osseous part extending direction.It, can be with by the thorn portion extended to both sides
Effectively to realize when deforming upon, deformation tendency in any direction is supported, and limits the further expansion of deformation, so as to
It plays buffering and delays deformation or the trend in crack occurs.It is further preferred that thorn portion and acute angle formed by osseous part are equal
For 45-75 degree.By the limitation of angle, the extending direction in osseous part and the direction perpendicular to osseous part realize stretch control and
Support, so as to avoid, because slide displacement occurs during deformation, avoiding the occurrence of crackle.It is further preferred that thorn portion and storage tank
Outer tank portion or the adjacent positions such as middle tank portion or Inner tanks portion are fixedly connected, and osseous part is not fixed with the corresponding adjacent position of storage tank.
Here only fix thorn portion and be in active state osseous part, fastener can effectively be avoided to occur rigidity in tank structure and connected
Connect so that fastener by unfixed osseous part and the certain free space of activity, so as to when tank structure deforms upon
Can provide osseous part deformation or slight movement and obtain attenuation deformation effect, so as to play Crack prevention appearance effect
Fruit.It is further preferred that the surface of fastener is also formed with having the short bayonet fittings of toughness and elasticity, (its rigidity is weaker than adjacent
The material of tank body).There are the short bayonet fittings of appropriate elasticity and toughness by this, can in deformation with the deformation of short thorn and
It replys and multi-level reply and support attenuation is carried out to deformation power, crackle appearance is reduced so as to further resist deformational stress
Possibility.
High-intensity foam glass precast construction and perlite precast construction are pre- by foam glass board or pearlite concrete
The plates such as inorganic board, plank, composite plate of the clamp dog with passing through specially treated (such as water-proofing treatment, anti-oxidation processing, high-temperature process)
The block elements that material is combined with each other, as at least in foam glass board or the prefabricated block of material of pearlite concrete (such as plate material)
One pressure-bearing surface is compounded with treated inorganic board, plank or composite plate.
Inorganic board, plank or composite plate are by waterproof, anti-oxidation, resistance to high reduction process etc., have good dimensionally stable
Property, lower temperature resistance, the stabilization plate of higher snap-resistent ability..
Low-temperature storage tank bottom cold-keeping device disclosed in the utility model, using with relatively low expansion coefficient material, and
With reference to special supplementary structure, so as to effectively improve tank body failures such as crackle caused by the deformation of material cold-heat, so as to
It avoids and is using tank bottom condensation frosting, and improve the service life and safety in utilization of tank body, in long-term use need not
It safeguards.The metal layer of middle tank, generally nine nickel steel structures or invar steel construction are also eliminated simultaneously, this not only reduced by only and builds
This is set as, also advantageously improves heat preservation and the leak resistance of structure.In addition, composite membrane reduces splicing seams on layer structure surface
Influence to tank structure can be played the role of effectively containing effusion and barrier when tank interior leaks, will
The liquefied gas of leakage is contained and obstructed on the upper strata of composite membrane, so as to further reduce damage of the leakage to tank structure safety,
And further control continues the risk of leakage.
Description of the drawings
The structure diagram of a kind of embodiment of low-temperature storage tank bottom cold-keeping device disclosed in Fig. 1, the utility model；
The structure diagram of another embodiment of low-temperature storage tank bottom cold-keeping device disclosed in Fig. 2, the utility model.
Wherein, 1, outer tank；2nd, inner canister；3rd, CAC layers/composite membrane；4th, A800 layers；5th, A1600 layers；6th, screed-coat；7th, cement
Plate；8th, perlite prefabricated section.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
A800 and A1600 herein is two high-performance foam glass material respectively, and wherein technical indicator is respectively A800
It is more than 0.8MPa for compression strength, thermal conductivity factor is less than the foam glass of 0.043W/ (m.K) at 10 degrees Celsius；A1600 is anti-
Compressive Strength is more than 1.6MPa, and thermal conductivity factor is less than the foam glass of 0.048W/ (m.K) at 10 degrees Celsius.It commercially available all can be produce
Product or the peculiar product for corresponding enterprise, as long as meeting performance requirement.
Implement 1
In the present embodiment, the bottom lowest level of tank structure includes screed-coat, interior outside the tank body of setting storage tank thereon to set
Outer tank, middle tank and Inner tanks are equipped with, wherein middle tank is arranged on the interlayer of tank body, the inside of wherein outer tank is vertically set
There are A800 layers to be arranged alternately the lamination layer structure I to be formed with CAC aluminium layers；It is provided in the horizontal direction between screed-coat and Inner tanks
A800 layers are arranged alternately the lamination layer structure II to be formed with CAC aluminium layers, have also been disposed adjacently the bottom of by lamination layer structure II
Layer is A1600 layers, the stacking provisions that middle level is perlite prefabricated section and upper strata is cement plate, and wherein bottom is arranged on screed-coat
On, upper strata is arranged below Inner tanks, wherein at least between the horizontal structure of stacking provisions and stacked layers and lamination layer structure
II is provided with CAC aluminium layers between the joint in terms of level.
Implement 2
As shown in Figure 1, in the present embodiment, the bottom lowest level of tank structure includes screed-coat, sets the tank of storage tank thereon
It is external and interior to be provided with outer tank 1, middle tank and Inner tanks 2, wherein middle tank is arranged on the inside edge in the interlayer of tank body, wherein outer tank
Vertical direction is provided with A800 layers 4 and is arranged alternately the lamination layer structure I to be formed with CAC aluminium layers 3, wherein adjacent with outer tank be
A800 layers 4；A800 layers 4 are provided between screed-coat and Inner tanks in the horizontal direction and are arranged alternately the composite bed to be formed with CAC aluminium layers 3
Structure II wherein adjacent with screed-coat for A800 layers 4, be also disposed adjacently in lamination layer structure II and be by bottom
The stacking provisions that A1600 layers 5, middle level are perlite prefabricated section 8 and upper strata is cement plate 7, wherein bottom are arranged on screed-coat 6
On, upper strata is arranged below Inner tanks, wherein at least between the horizontal structure of stacking provisions and stacked layers and lamination layer structure
II is provided with CAC aluminium layers 3 between the joint in terms of level.
Embodiment 3 and embodiment 4 are distinguished as lamination layer structure I and lamination layer structure with embodiment 1 and embodiment 2 respectively
II A800 layers are put together by A800 blocks, and bottom is put together by A1600 blocks.
Embodiment 5 and embodiment 6 are distinguished as lamination layer structure I and lamination layer structure with embodiment 3 and embodiment 4 respectively
II A800 layers are put together by A800 blocks, and CAC aluminium layers are additionally provided between A800 blocks and A1600 blocks.
Implement 7
In the present embodiment, the bottom lowest level of tank structure includes screed-coat, interior outside the tank body of setting storage tank thereon to set
Outer tank, middle tank and Inner tanks are equipped with, wherein middle tank is arranged on the interlayer of tank body, the inside of wherein outer tank is vertically set
There are A800 layers to be arranged alternately the lamination layer structure I to be formed with CAC aluminium layers；It is provided in the horizontal direction between screed-coat and Inner tanks
A800 layers are arranged alternately the lamination layer structure II to be formed with CAC aluminium layers, have also been disposed adjacently in lamination layer structure II under
The stacking provisions that layer is A1600 layers and upper strata is cement plate, wherein lower floor are arranged on screed-coat, and upper strata is arranged under Inner tanks
Side, wherein at least between the horizontal structure of stacking provisions and stacked layers and joint of the lamination layer structure II in terms of level
Between be provided with CAC aluminium layers.
Implement 8
As shown in Fig. 2, in the present embodiment, the bottom lowest level of tank structure includes screed-coat, sets the tank of storage tank thereon
It is external and interior to be provided with outer tank 1, middle tank and Inner tanks 2, wherein middle tank is arranged on the inside edge in the interlayer of tank body, wherein outer tank
Vertical direction is provided with A800 layers 4 and is arranged alternately the lamination layer structure I to be formed with CAC aluminium layers 3, wherein adjacent with outer tank be
A800 layers 4；A800 layers 4 are provided between screed-coat and Inner tanks in the horizontal direction and are arranged alternately the composite bed to be formed with CAC aluminium layers 3
Structure II, wherein it is adjacent with screed-coat for A800 layers 4, it has also been disposed adjacently by multilayered structure in lamination layer structure II
(it is two layers in figure, can is more layers or one layer in practical operation, this programme others layer structure is similar, without making one by one
Illustrate) lower floor be A1600 layers 5 and stacking provisions that upper strata is cement plate 7, wherein lower floor are arranged on screed-coat 6, upper strata
Be arranged below Inner tanks, wherein at least between the horizontal structure of stacking provisions and stacked layers with lamination layer structure II in level
CAC aluminium layers 3 are provided between the joint of aspect.
Embodiment 9 and embodiment 10 are distinguished as lamination layer structure I and composite bed knot with embodiment 7 and embodiment 8 respectively
The A800 layers of structure II are put together by A800 blocks, and each layer of lower floor is put together by A1600 layers of block.
Embodiment 11 and embodiment 12 are distinguished as lamination layer structure I and composite bed with embodiment 9 and embodiment 10 respectively
The A800 layers of structure II are put together by A800 blocks, and CAC aluminium layers are additionally provided between A800 blocks and A1600 blocks.
Following technical scheme is also applied for screed-coat for the restriction of bed course.
Embodiment 13-24 is differed only in embodiment 1-12's, storage tank between outer tank and middle tank and middle tank with
Bed course is additionally provided between inner canister, it (at least can be to be filled with that bed course, which includes alumina ceramic powder and suitable gypsum,
Between outer tank and middle tank and between middle tank and inner canister), which can be following scheme 1.Here fit
It is respectively (wt%) that the gypsum of amount, which refers to dosage in the bed course corresponding to embodiment 13-24,:30%th, 31%, 32%, 33%, 34%,
35%th, 36%, 37%, 38%, 39%, 40%, 39%.Gypsum can play the moisture absorption dehumidifying and help ceramic particle filling and
The effect tentatively consolidated reduces difficulty of construction, and is conducive to improve the stability of bed course ceramic particle system, avoids occurring
The particle of different-grain diameter is layered, and influences cushioning effect.
Its composition technical solution of alumina ceramic powder can also be to include but not limited in technical solution set forth below appoint
One：
1st, the raw material of alumina ceramic powder is mainly wt%：Magnesia 3.5%, calcium carbonate 1.2%, fluorite 1.40%,
Glass micro-fibers 0.40%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
2nd, the raw material of alumina ceramic powder is mainly wt%：Magnesia 2.0%, calcium carbonate 1.4%, fluorite 1.30%,
Glass micro-fibers 0.30%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
3rd, the raw material of alumina ceramic powder is mainly wt%：Magnesia 3.0%, calcium carbonate 1.6%, fluorite 1.20%,
Glass micro-fibers 0.20%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
4th, the raw material of alumina ceramic powder is mainly wt%：Magnesia 2.5%, calcium carbonate 1.0%, fluorite 1.25%,
Glass micro-fibers 0.25%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
5th, the raw material of alumina ceramic powder is mainly wt%：Magnesia 2.7%, calcium carbonate 2.0%, fluorite 1.36%,
Glass micro-fibers 0.36%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
6th, the raw material of alumina ceramic powder is mainly wt%：Magnesia 3.2%, calcium carbonate 1.5%, fluorite 1.27%,
Glass micro-fibers 0.27%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
7th, the raw material of alumina ceramic powder is mainly wt%：Magnesia 2.9%, calcium carbonate 1.7%, fluorite 1.32%,
Glass micro-fibers 0.32%, the surplus of length 10-20nm is aluminium oxide and inevitable impurity.
Embodiment 25-36 is differed only in embodiment 13-24's, and alumina ceramic powder thickness is 0.8mm in bed course,
The particle size range of alumina ceramic powder is 1-50 microns, and wherein grain size is of the total volume less than 10 microns of ceramic powder
45%, grain size is more than 30 microns of ceramic powder of the total volume 15%.
Embodiment 37,38 is differed only in embodiment 30 and 36, and the screed-coat of bottom is：Levelling layer thickness regards actual
Such as 1-2mm needed for product construction, the particle size range of alumina ceramic powder is 1-50 microns, and wherein grain size is less than 10 microns of pottery
Porcelain powder of the total volume 45%, grain size are more than 30 microns of ceramic powder of the total volume 15%.
Embodiment 1-36 is by taking 50 cubes of storage tanks as an example, sample size 1000, and inner canister is nine nickel steels, and outer tank is concrete
Layer, wherein structural stability with In Guangzhou Area, summer tank body conventional equipment liquefied petroleum gas at full capacity after, with passing through biography before loading
Sensor is monitored the deformation behavior of each layer structure, is repeated 3 times and is averaged evidence.
☆ represents evaluation less than ★ in upper table, and total star number is more at most evaluated higher.Upper table is as it can be seen that pass through the utility model
The improvement of scheme, the structural stability of low-temperature storage tank are obviously improved, and are not easily susceptible to environment and materials'use service life etc.
The influence of factor and it is cracked wait danger.
It is distinguished with above-described embodiment, middle tank portion and the contact site in Inner tanks portion and the contact site in middle tank portion and outer tank portion
The fastener of fishbone is additionally provided with, the thorn portion of the fastener of fishbone tilts on osseous part to the both sides of osseous part extending direction, thorn portion
With osseous part formed by acute angle be 53 degree, the surface of fastener is formed with the short bayonet fittings with toughness and elasticity.Pass through
The setting of fastener so that storage tank obtains 30% compared with other including embodiment 1-36 do not set the scheme of fastener
Deformation buffer ability, be less susceptible to it is cracked etc. due to the aging of material in long-term use, so as to extend tank body use the longevity
Life 2 years or more.
In place of the non-limit of technical scope midrange that this place embodiment protects the requires of the utility model and in embodiment
The new technical solution formed is replaced on an equal basis to single or multiple technical characteristics in technical solution, equally all in this practicality
In new claimed scope；Simultaneously the utility model it is all enumerate or unrequited embodiment in, in same reality
The example (i.e. a kind of feasible scheme) that the parameters in example are merely representative of its technical solution is applied, and between parameters
And there is no stringent cooperation and qualified relation, wherein each parameter can phase when stating and asking without prejudice to axiom and the utility model
It mutually replaces, except special declaration.
Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also
Including being combined formed technical solution by more than technical characteristic.The above is the specific embodiment party of the utility model
Formula, it is noted that for those skilled in the art, on the premise of the utility model principle is not departed from,
Several improvements and modifications can also be made, these improvements and modifications are also considered as the scope of protection of the utility model.
Claims (9)
1. low-temperature storage tank bottom cold-keeping device, including tank body lower part side wall construction and polycrystalline substance,
Outer tank portion, middle tank portion and inner canister portion of the tank body lower part side wall construction from storage tank from outside to inside, the middle tank portion include nothing
Machine non-metallic layer；
Polycrystalline substance, from bottom to top including concrete layer, screed-coat, inorganic non-metallic layer, inner canister；
Inorganic non-metallic layer is used as pressure-bearing and insulation construction.
2. low-temperature storage tank bottom according to claim 1 cold-keeping device, which is characterized in that the inorganic non-metallic layer is at least
It is spliced by the laying of high-intensity foam glass precast construction.
3. low-temperature storage tank bottom according to claim 2 cold-keeping device, which is characterized in that the inorganic non-metallic layer also wraps
Perlite precast construction is included, the high-intensity foam glass precast construction with perlite precast construction is laid with and is spliced to form nothing jointly
Machine non-metallic layer.
4. low-temperature storage tank bottom according to claim 3 cold-keeping device, which is characterized in that the inorganic non-metallic layer is hanging down
Directly in the wall direction of tank body at least a floor height strength foam prefabricated glass structure and/or perlite precast construction.
5. according to any low-temperature storage tank bottom cold-keeping devices of claim 1-4, which is characterized in that the inorganic non-metallic
Layer is at least also adhesive with composite membrane on the surface of seam portion.
6. low-temperature storage tank bottom according to claim 5 cold-keeping device, which is characterized in that high in the inorganic non-metallic layer
At least part surface of strength foam prefabricated glass structure and/or perlite precast construction is adhesive with composite membrane.
7. low-temperature storage tank bottom according to claim 6 cold-keeping device, which is characterized in that high in the inorganic non-metallic layer
The surface in the close outer tank portion or inner canister portion of strength foam prefabricated glass structure and/or perlite precast construction is covered with compound
Film.
8. low-temperature storage tank bottom according to claim 7 cold-keeping device, which is characterized in that the composite membrane is at least glass
What fiber was collectively formed with aluminium layer.
9. low-temperature storage tank bottom according to claim 7 cold-keeping device, which is characterized in that the composite membrane is glass fibre
It is at least one layer of in layer, aluminium layer, alumina layer, wherein pellumina is formed at aluminium in the presence of aluminium layer and alumina layer are adjacent simultaneously
Layer at least one side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436002.0U CN207438129U (en) | 2017-11-01 | 2017-11-01 | Low-temperature storage tank bottom cold-keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436002.0U CN207438129U (en) | 2017-11-01 | 2017-11-01 | Low-temperature storage tank bottom cold-keeping device |
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| CN207438129U true CN207438129U (en) | 2018-06-01 |
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ID=62291698
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| CN201721436002.0U Ceased CN207438129U (en) | 2017-11-01 | 2017-11-01 | Low-temperature storage tank bottom cold-keeping device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620858A (en) * | 2017-11-01 | 2018-01-23 | 浙江振申绝热科技股份有限公司 | Low-temperature storage tank bottom cold-keeping device |
| WO2020052810A1 (en) * | 2018-09-11 | 2020-03-19 | Linde Aktiengesellschaft | Tank |
| RU2797729C2 (en) * | 2018-09-11 | 2023-06-08 | Линде Гмбх | Tank |
-
2017
- 2017-11-01 CN CN201721436002.0U patent/CN207438129U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620858A (en) * | 2017-11-01 | 2018-01-23 | 浙江振申绝热科技股份有限公司 | Low-temperature storage tank bottom cold-keeping device |
| WO2020052810A1 (en) * | 2018-09-11 | 2020-03-19 | Linde Aktiengesellschaft | Tank |
| RU2797729C2 (en) * | 2018-09-11 | 2023-06-08 | Линде Гмбх | Tank |
| RU2800095C2 (en) * | 2018-09-11 | 2023-07-18 | Линде Гмбх | Tank |
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