CN103899756B - LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely - Google Patents
LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely Download PDFInfo
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- CN103899756B CN103899756B CN201410170178.0A CN201410170178A CN103899756B CN 103899756 B CN103899756 B CN 103899756B CN 201410170178 A CN201410170178 A CN 201410170178A CN 103899756 B CN103899756 B CN 103899756B
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- 238000007789 sealing Methods 0.000 claims abstract description 105
- 238000007664 blowing Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 239000005030 aluminium foil Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 241000168254 Siro Species 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 235000000396 iron Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005273 aeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely, belongs to LNG and entirely holds tank equipment technical field.Equipment comprises primary seal and auxiliary sealing, described primary seal is the primary seal plate (1) of polylith head and the tail overlap joint, the upper edge of primary seal plate (1) is fixed on tank deck skin panel (7) lower surface, is auxiliaryly sealed into the auxiliary sealing soft board (2) being overlapped on primary seal plate (1) bottom.Construction process is according to after certain specification cutting above-mentioned primary seal plate (1) and auxiliary sealing soft board (2), sight rail (3), chock (4) is utilized to be fixed on tank deck skin panel (7) lower surface by primary seal plate (1), auxiliary sealing soft board (2) is bonded at edge under primary seal plate (1), seal qualified after, pass into enough air, complete vault air-blowing jacking.The invention solves LNG entirely to hold sealing system in tank vault air-blowing jacking process not good, high to the outer tank skin requirement of the concrete difficult point of difficulty, sealing effect is installed.
Description
Technical field
LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely, belongs to LNG and entirely holds tank equipment technical field.
Background technique
It is a kind of liquid gas large storage facilities that LNG holds tank entirely, entirely holds in the building course of tank at LNG, after concrete outer tank inner bottom part completes the construction of furred ceiling and vault, needs overall air-blowing jacking to fix to tank deck position.Sealing technology in air-blowing jacking process is very crucial.Wherein, the clearance seal between tank deck plate surrounding and concrete outer tank is the most key.Soft seal and hard sealing two kinds are mainly divided into this traditional sealing technology.Such as: 1, at the below integral installation galvanized sheet iron of tank deck plate surrounding, top board, be fixed by bolts on tank deck plate after overlap joint between iron sheet, rely on the active force self-assembling formation radian of bolt and concrete tank skin to contact with concrete tank skin and seal.This is a kind of hard sealing, can also paste two layers of plastic film to increase sealing, but still can not depart from the category of hard sealing at galvanized sheet iron lower surface by sealer.There is galvanized sheet iron curved arc, installation, dismounting difficulty greatly in this sealing means, seals gluing note operation loaded down with trivial details, requires high, the shortcomings such as sealing effect is undesirable to tank skin roundness.2, at tank deck plate surrounding body, one circle steel buckle is installed, steel buckle is directly fixed in radial girders by bolt, recycle this circle steel buckle and fix a circle rubber plate, rubber plate forms the angle between concrete tank skin by the angle of steel buckle self, relies on steel buckle to form radian with the active force of concrete tank skin and realizes equally contacting with concrete tank skin sealing.The shortcomings such as this is a kind of soft seal, and this sealing means shortcoming is: rubber plate selve support power is not enough, and steel buckle is installed loaded down with trivial details, large with tank skin frictional force in jacking process, materials consumption waste.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides that a kind of difficulty of processing is low, assembling and disassembling is easy, the LNG of good sealing effect holds tank vault air-blowing jacking water-tight equipment and construction process entirely.
The technical solution adopted for the present invention to solve the technical problems is: this LNG holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: comprise primary seal and auxiliary sealing, described primary seal is that polylith primary seal plate head and the tail overlap joint forms the hard sealing being enclosed in tank deck skin panel border, between primary seal plate, lap width is at 100 ~ 110mm, and the upper edge of primary seal plate utilizes sight rail and chock cooperation to be fixed on skin panel lower surface; The described auxiliary soft seal be sealed into by overlapping formation between auxiliary sealing soft board, auxiliary sealing soft board is overlapped on primary seal plate bottom, lap width between auxiliary sealing soft board and primary seal plate is at 160 ~ 170mm, lap width between auxiliary sealing soft board is at 150 ~ 160mm, and the margin widths after auxiliary sealing soft board overlap joint primary seal plate is 200 ~ 220mm.
In jacking process, the equilibrium pressure 150mmH that sealing system is born
2o, mean velocity is 200 ~ 300mm/min, and between primary seal plate, length is 1442mm, and getting lap width safety coefficient is 0.06, then amount of lap is D
1=100mm > 1442 × 0.06=87mm.Primary seal plate in air-blowing jacking process, that auxiliary sealing soft board bears pressure is identical, and the maximum pressure that auxiliary sealing soft board bears is that primary seal plate bears 70% of maximum pressure, and getting amount of lap is between the two D=160 > D
1/ 0.7=143mm.
Described primary seal plate is the galvanized sheet iron of 1442mm × 700mm.
Described auxiliary sealing soft board is the aluminium foil glass cloth of 2834mm × 360mm.
In this sealing system, primary seal plate is main support part, has the advantage that hard sealing intensity is good, and aluminium foil glass cloth is elastic sealing part, has the advantage of soft seal good airproof performance.Owing to cannot ensure that outer tank skin circularity is completely even, need to increase sealing system surplus according to drawing theoretical, to ensure in jacking process, sealing system and outer tank skin fit tightly.Between radial girders outer rim and outer tank skin, radian direction theoretical is L
1=240mm, getting galvanized sheet iron width is 700mm > 2L
1+ D=640mm.Between tank deck skin panel edge and outer tank skin, theoretical is L
2=90mm, getting aluminium foil glass cloth width is 200mm > 90mm × 2=180mm.
The thickness of described galvanized sheet iron is 0.75mm.
The thickness of described aluminium foil glass cloth is 0.5mm.
According to elastic properties of materials, intensity, buying difficulty etc., select galvanized sheet iron thickness to be 0.75mm, be convenient to curved arc, and intensity is better, there is provided enough to support and meet the pressure requirement of air-blowing jacking process, can not too large frictional force be formed because of elasticity between excessive and tank skin and increase air-blowing jacking resistance again.Aluminium foil glass cloth thickness is selected to be 0.5mm, its elasticity is about galvanized sheet iron elasticity 1.4 times, coordinate closely with between galvanized sheet iron, there is provided better elasticity to realize sealing preferably between tank skin, coordinate the adaptive capacity of the flexible elasticity enhancing of galvanized sheet iron to tank skin shape, tank skin roundness requires low, ensure that the leakproofness between water-tight equipment and outer tank tank skin, and don't can because and tank skin between friction and wear and tear, reuse effective.Hard sealing combines with soft seal, and the stress applied in advance is less, decreases sealing system and installs, removes workload.
Described primary seal plate offers fixed hole along upper fixing sight rail place, and between fixed hole, spacing is 447mm, and the fixed hole of both sides is 274mm to the distance at primary seal plate head and the tail edge, and the lower edge of primary seal plate bends inwards 12o.
In jacking process, equilibrium pressure is 150mmH
2o, primary seal plate is stressed is 1.5KN, and single sight rail can be about 0.8KN by bearing capacity, therefore needs at least 3 sight rails.Because amount of lap between primary seal plate is 100mm, two primary seal plate overlaps are stressed is 2 times, and getting sight rail fixed hole spacing is 447mm, and both sides fixed hole spacing is 274mm.Primary seal plate bends inwards direction substantially according to circular arc direction, and angle is preferably 12o, uniform force, avoids there is stress in primary seal plate installation process, with outer tank wall friction power in reduction jacking process.
Above-mentioned LNG holds a construction process for tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that:
1) primary seal is installed: decide that multiple galvanized sheet irons are as primary seal plate, bend inwards the lower edge of primary seal plate 12o, and bending width is 10mm; Offer fixed hole on the upper edge of primary seal plate by above-mentioned spacing, utilize in fixed hole position sight rail, chock to be fixed on by primary seal plate on tank deck skin panel lower surface, after fixedly completing, chock point is welded on skin panel; Then install primary seal plate formation border piece by piece firmly to seal, between primary seal plate, amount of lap is that 100 ~ 110mm ensures compact siro spinning technology between any two; Gap again between the connection of adhering and sealing primary seal plate;
2) auxiliary sealing is installed: after the whole installation of primary seal, decide that multiple aluminium foil glass cloth are as auxiliary sealing soft board, under auxiliary sealing soft board being bonded at primary seal plate, edge makes soft seal combine with hard sealing, 160 ~ 170mm is of a size of with the overlap joint of primary seal plate, lap width between auxiliary sealing soft board is at 150 ~ 160mm, and the margin widths after auxiliary sealing soft board overlap joint primary seal plate is 200 ~ 220mm;
3) air-blowing jacking: after checking that above-mentioned water-tight equipment sealing situation is qualified, pass into enough air, can complete vault air-blowing jacking, vault air-blowing jacking mean velocity 200 ~ 300mm/min in tank, in maintenance tank, pressure is at 150mmH
2o; Vault air-blowing jacking completes, vault is fixed with bearing ring, welded after, remove this water-tight equipment.
Compared with prior art, LNG of the present invention entirely holds the beneficial effect that tank vault air-blowing jacking procedure seals equipment and construction process have and is:
In the present invention with primary seal plate for main support part, increase hard sealing intensity, coordinate auxiliary sealing soft board elastic sealing part, strengthen add soft seal sealability.The present invention increases sealing system surplus according to drawing theoretical, and to ensure in jacking process, sealing system and outer tank skin fit tightly.Difficulty of processing of the present invention is low, exempts under all taking sealing situation firmly, the problem that primary seal plate curved arc difficulty of processing is large.Hard sealing combines with soft seal, and the stress applied in advance is less, decreases sealing system and installs, removes workload.The effect of hard sealing is for sealing system provides support, and the effect of soft seal is the leakproofness ensureing sealing, and both combine, significant sealing affection.
The invention solves LNG entirely to hold sealing system in tank vault air-blowing jacking process not good, high to the outer tank skin requirement of the concrete difficult point of difficulty, sealing effect is installed.The present invention substantially increases sealing system simple installation, improve sealing effect, reduce amount of finish, have flexible, easy, be easy to the features such as assembling and disassembling.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that LNG entirely holds tank vault air-blowing jacking procedure seals equipment and is connected relative position with vault.
Fig. 2 is that LNG holds primary seal and auxiliary lap hermetically relation schematic diagram in tank vault air-blowing jacking procedure seals equipment entirely.
Fig. 3 is that LNG holds primary seal schematic diagram in tank vault air-blowing jacking procedure seals equipment entirely.
Fig. 4 is a place enlarged view in Fig. 1.
Fig. 5 is b place enlarged view in Fig. 1.
Wherein: 1, primary seal plate 2, auxiliary sealing soft board 3, sight rail 4, chock 5, fixed hole 6, radial girders 7, skin panel 8, outer tank skin.
Embodiment
Fig. 1 ~ 5 are most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 5, the present invention will be further described.
With reference to accompanying drawing 1 ~ 5: a kind of LNG holds the preferred forms of tank vault air-blowing jacking water-tight equipment entirely, comprise primary seal and auxiliary sealing, wherein primary seal is the primary seal plate 1 of lap width at the polylith head and the tail overlap joint of 100 ~ 110mm, primary seal plate 1 is the galvanized sheet iron of 1442mm × 700mm, thickness is 0.75mm, with reference to accompanying drawing: 1, 2, 4: the upper edge of primary seal plate 1 utilizes sight rail 3 and chock 4 cooperation to be fixed on skin panel 7 lower surface of covering in tank deck radial girders 6, on primary seal plate 1 along on sight rail 3 is set fixed hole 5 between spacing be 447mm, the distance at fixed hole 5 to the primary seal plate 1 head and the tail edge of both sides is 274mm, with reference to accompanying drawing 3: the lower edge of primary seal plate 1 bends inwards 12o, bending width is 10mm, make seal arrangement uniform force, avoid there is stress in primary seal plate installation process, reduce the frictional force in jacking process and between outer tank skin 8.With reference to accompanying drawing 1,5: be auxiliaryly sealed into the one week auxiliary sealing soft board 2 being overlapped on primary seal plate 1 bottom, auxiliary sealing soft board 2 is the aluminium foil glass cloth of 2834mm × 360mm, and thickness is 0.5mm; With reference to accompanying drawing 2: be mutually adhesively fixed after overlapping between primary seal plate 1 and auxiliary sealing soft board 2, lap width between auxiliary sealing soft board 2 and primary seal plate 1 is at 160 ~ 170mm, lap width between auxiliary sealing soft board 2 is at 150 ~ 160mm, and the margin widths after auxiliary sealing soft board 2 overlaps primary seal plate 1 is 200 ~ 220mm.
Entirely hold tank vault air-blowing jacking procedure seals construction process below by specific embodiment to LNG of the present invention to be described further, wherein embodiment 1 is most preferred embodiment.
Embodiment 1
1) primary seal plate is installed: decide multiple specifications be the galvanized sheet iron of 1442mm × 700mm as primary seal plate 1, bend inwards the lower edge of primary seal plate 1 12o, and bending width is 10mm.Fixed hole 5 is offered on the upper edge of primary seal plate 1, and the spacing between fixed hole 5 is 447mm, utilizes sight rail 3, chock 4 to be fixed on by primary seal plate 1 on tank deck skin panel 7 lower surface, after fixedly completing, be welded on skin panel 7 by 4, chock in fixed hole 5 position; Then install primary seal plate 1 piece by piece successively, between primary seal plate 1, amount of lap is that 110mm ensures compact siro spinning technology between any two; Again with sealer seal primary seal plate 1 connect between gap.
2) auxiliary sealing plate is installed: after the whole installation of primary seal, with sealant tape, auxiliary sealing soft board 2 is bonded at primary seal plate 1 time edge, auxiliary sealing soft board 2 is the aluminium foil glass cloth of 2834mm × 360mm, 160mm is of a size of with the overlap joint of primary seal plate 1, lap width between auxiliary sealing soft board 2 is at 160mm, and the margin widths after auxiliary sealing soft board 2 overlaps primary seal plate 1 is 200mm;
3) air-blowing jacking: after checking that sealing system sealing situation is qualified, use blower fan to pass into enough air in tank, vault air-blowing jacking can be completed, vault air-blowing jacking mean velocity 300mm/min, aeration quantity 312790m
3, lifting height 37015mm, in maintenance tank, pressure is at 150mmH
2o; Vault air-blowing jacking completes, vault is fixed with bearing ring, welded after, remove this water-tight equipment.
Embodiment 2
1) primary seal plate is installed: decide multiple specifications be the galvanized sheet iron of 1442mm × 700mm as primary seal plate 1, bend inwards the lower edge of primary seal plate 1 12o, and bending width is 10mm.Fixed hole 5 is offered on the upper edge of primary seal plate 1, and the spacing between fixed hole 5 is 447mm, utilizes sight rail 3, chock 4 to be fixed on by primary seal plate 1 on tank deck skin panel 7 lower surface, after fixedly completing, be welded on skin panel 7 by 4, chock in fixed hole 5 position; Then install primary seal plate 1 piece by piece successively, between primary seal plate 1, amount of lap is that 100mm ensures compact siro spinning technology between any two; Again with sealer seal primary seal plate 1 connect between gap.
2) auxiliary sealing plate is installed: after the whole installation of primary seal, with sealant tape, auxiliary sealing soft board 2 is bonded at primary seal plate 1 time edge, auxiliary sealing soft board 2 is the aluminium foil glass cloth of 2834mm × 370mm, 170mm is of a size of with the overlap joint of primary seal plate 1, lap width between auxiliary sealing soft board 2 is at 150mm, and the margin widths after auxiliary sealing soft board 2 overlaps primary seal plate 1 is 200mm;
3) air-blowing jacking: after checking that sealing system sealing situation is qualified, use blower fan to pass into enough air in tank, vault air-blowing jacking can be completed, vault air-blowing jacking mean velocity 250mm/min, aeration quantity 312000m
3, lifting height 37000mm, in maintenance tank, pressure is at 150mmH
2o; Vault air-blowing jacking completes, vault is fixed with bearing ring, welded after, remove this water-tight equipment.
Embodiment 3
1) primary seal plate is installed: decide multiple specifications be the galvanized sheet iron of 1442mm × 700mm as primary seal plate 1, bend inwards the lower edge of primary seal plate 1 12o, and bending width is 10mm.Fixed hole 5 is offered on the upper edge of primary seal plate 1, and the spacing between fixed hole 5 is 447mm, utilizes sight rail 3, chock 4 to be fixed on by primary seal plate 1 on tank deck skin panel 7 lower surface, after fixedly completing, be welded on skin panel 7 by 4, chock in fixed hole 5 position; Then install primary seal plate 1 piece by piece successively, between primary seal plate 1, amount of lap is that 110mm ensures compact siro spinning technology between any two; Again with sealer seal primary seal plate 1 connect between gap.
2) auxiliary sealing plate is installed: after the whole installation of primary seal, with sealant tape, auxiliary sealing soft board 2 is bonded at primary seal plate 1 time edge, auxiliary sealing soft board 2 is the aluminium foil glass cloth of 2834mm × 380mm, 160mm is of a size of with the overlap joint of primary seal plate 1, lap width between auxiliary sealing soft board 2 is at 160mm, and the margin widths after auxiliary sealing soft board 2 overlaps is 220mm;
3) air-blowing jacking: after checking that sealing system sealing situation is qualified, use blower fan to pass into enough air in tank, vault air-blowing jacking can be completed, vault air-blowing jacking mean velocity 200mm/min, aeration quantity 313200m
3, lifting height 37015mm, in maintenance tank, pressure is at 150mmH
2o; Vault air-blowing jacking completes, vault is fixed with bearing ring, welded after, remove this water-tight equipment.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. a LNG holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: comprise primary seal and auxiliary sealing, described primary seal is the hard sealing that the formation of polylith primary seal plate (1) head and the tail overlap joint is enclosed in tank deck skin panel (7) border, between primary seal plate (1), lap width is at 100mm ~ 110mm, and the upper edge of primary seal plate (1) utilizes sight rail (3) and chock (4) cooperation to be fixed on skin panel (7) lower surface; The described auxiliary soft seal be sealed into by overlapping formation between auxiliary sealing soft board (2), auxiliary sealing soft board (2) is overlapped on primary seal plate (1) bottom, lap width between auxiliary sealing soft board (2) and primary seal plate (1) is at 160mm ~ 170mm, lap width between auxiliary sealing soft board (2) is at 150mm ~ 160mm, and the margin widths after auxiliary sealing soft board (2) overlap joint primary seal plate (1) is 200mm ~ 220mm.
2. LNG according to claim 1 holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: the galvanized sheet iron that described primary seal plate (1) is 1442mm × 700mm.
3. LNG according to claim 1 holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: the aluminium foil glass cloth that described auxiliary sealing soft board (2) is 2834mm × 360mm.
4. LNG according to claim 2 holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: the thickness of described galvanized sheet iron is 0.75mm.
5. LNG according to claim 3 holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: the thickness of described aluminium foil glass cloth is 0.5mm.
6. LNG according to claim 1 holds tank vault air-blowing jacking water-tight equipment entirely, it is characterized in that: described primary seal plate (1) offers fixed hole (5) along upper fixing sight rail (3) place, between fixed hole (5), spacing is 447mm, the fixed hole (5) of both sides is 274mm to the distance at primary seal plate (1) head and the tail edge, and the lower edge of primary seal plate (1) bends inwards 12o.
7. utilize the LNG described in claim 6 entirely a to hold construction process that tank vault air-blowing jacking water-tight equipment carries out air-blowing jacking, is characterized in that:
1) primary seal is installed: decide that multiple galvanized sheet irons are as primary seal plate (1), bend inwards the lower edge of primary seal plate (1) 12o, and bending width is 10mm; Fixed hole (5) is offered by above-mentioned spacing on the upper edge of primary seal plate (1), utilize in fixed hole (5) position sight rail (3), chock (4) to be fixed on tank deck skin panel (7) lower surface by primary seal plate (1), after fixedly completing, chock (4) point is welded on skin panel (7); Then install primary seal plate (1) formation border piece by piece firmly to seal, between primary seal plate (1), amount of lap is that 100mm ~ 110mm ensures compact siro spinning technology between any two; Gap again between adhering and sealing primary seal plate (1) connection;
2) auxiliary sealing is installed: after the whole installation of primary seal, decide that multiple aluminium foil glass cloth are as auxiliary sealing soft board (2), under auxiliary sealing soft board (2) being bonded at primary seal plate (1), edge makes soft seal combine with hard sealing, 160mm ~ 170mm is of a size of with the overlap joint of primary seal plate (1), lap width between auxiliary sealing soft board (2) is at 150mm ~ 160mm, and the margin widths after auxiliary sealing soft board (2) overlap joint primary seal plate (1) is 200mm ~ 220mm;
3) air-blowing jacking: after checking that above-mentioned water-tight equipment sealing situation is qualified, pass into enough air, can complete vault air-blowing jacking, vault air-blowing jacking mean velocity 200mm/min ~ 300mm/min in tank, in maintenance tank, pressure is at 150mmH
2o; Vault air-blowing jacking completes, vault is fixed with bearing ring, welded after, remove this water-tight equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170178.0A CN103899756B (en) | 2014-04-25 | 2014-04-25 | LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170178.0A CN103899756B (en) | 2014-04-25 | 2014-04-25 | LNG holds tank vault air-blowing jacking procedure seals equipment and construction process entirely |
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| CN103899756A CN103899756A (en) | 2014-07-02 |
| CN103899756B true CN103899756B (en) | 2016-03-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104790708B (en) * | 2015-04-30 | 2017-05-31 | 中国石油集团工程设计有限责任公司 | A kind of LNG full appearance tanks ceiling structure and its construction method |
| CN105889508A (en) * | 2016-05-18 | 2016-08-24 | 上海市安装工程集团有限公司 | Tank top edge sealing device of LNG low-temperature tank |
| CN112027390B (en) * | 2019-11-27 | 2022-06-28 | 中国核工业第五建设有限公司 | Heavy hammer compression sealing device, sealing system and method for storage tank air-lift operation |
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| EP1717509A2 (en) * | 2004-12-08 | 2006-11-02 | Korea Gas Corporation | Liquefied gas tank |
| KR100649316B1 (en) * | 2006-09-01 | 2006-11-24 | 한국가스공사 | Anchor Structure of LNG Storage Tank |
| CN201487983U (en) * | 2009-09-15 | 2010-05-26 | 中节环(北京)科技有限公司 | Double-compensation flexible sealing brush plate for air preheater |
| CN201705932U (en) * | 2010-03-24 | 2011-01-12 | 沈阳瑞源电力设备工程技术有限公司 | Flexible contact sealing device |
| CN203784298U (en) * | 2014-04-25 | 2014-08-20 | 中石化第十建设有限公司 | Sealing equipment for LNG full containment tank in dome roof air blowing top jacking process |
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2014
- 2014-04-25 CN CN201410170178.0A patent/CN103899756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1717509A2 (en) * | 2004-12-08 | 2006-11-02 | Korea Gas Corporation | Liquefied gas tank |
| KR100649316B1 (en) * | 2006-09-01 | 2006-11-24 | 한국가스공사 | Anchor Structure of LNG Storage Tank |
| CN201487983U (en) * | 2009-09-15 | 2010-05-26 | 中节环(北京)科技有限公司 | Double-compensation flexible sealing brush plate for air preheater |
| CN201705932U (en) * | 2010-03-24 | 2011-01-12 | 沈阳瑞源电力设备工程技术有限公司 | Flexible contact sealing device |
| CN203784298U (en) * | 2014-04-25 | 2014-08-20 | 中石化第十建设有限公司 | Sealing equipment for LNG full containment tank in dome roof air blowing top jacking process |
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| CN103899756A (en) | 2014-07-02 |
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