CN1087064C - Tank angle flake shape diaphragm element used on liquified natural gas storage tank - Google Patents
Tank angle flake shape diaphragm element used on liquified natural gas storage tank Download PDFInfo
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- CN1087064C CN1087064C CN99125210A CN99125210A CN1087064C CN 1087064 C CN1087064 C CN 1087064C CN 99125210 A CN99125210 A CN 99125210A CN 99125210 A CN99125210 A CN 99125210A CN 1087064 C CN1087064 C CN 1087064C
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- G—PHYSICS
- G04—HOROLOGY
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
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Abstract
Improved structure of a corner piece membrane unit for an LNG tank, includes a horizontal plate and a vertical plate which connect together with a slope plate at an angle of 45 deg C. Two rectilinear corrugations protruding symmetrically by centering on the lengthwise centerline of the plates are bent at an angle of 45 deg C along the slope plate, where the two ends are respectively positioned on the said two plates. A central corrugates and spreads to the slope plate from the outside of the two boards along the central axis till one portion of the central corrugations overlaps with the end of the two outside corrugations.
Description
The present invention relates to the diaphragm element of a kind of LNG of being used for (liquified natural gas) storage tank, particularly relate to a kind of jar of gusset plate shape diaphragm element (corner piece membrane unit), this diaphragm element has an improved structure, and this structure can be finished required sealing function at the place, jar angle of LNG storage tank effectively.
As everyone knows, when design LNG storage tank, need provide a plurality of important diaphragm elements.These important diaphragm elements comprise that a basic plate diaphragm element, a jar gusset plate shape diaphragm element, a cap sheet shaped piece are connected sheet shaped piece with one.In above-mentioned element, basic plate diaphragm element is installed on the sidewall and bottom of LNG storage tank inside, and a jar gusset plate shape diaphragm element then links together the sidewall and the bottom of storage tank glossily, therefore forms the storage tank of a sealing.The cap sheet shaped piece is used to seal an end that purses up along straight line of basic plate diaphragm element.On the other hand, connecting sheet shaped piece is linked together curved portion mutually.These curved portion are pursed up bifurcated and form along straight line by the basic plate diaphragm element on the jar diapire at jar diapire left part.
As shown in Figure 1, 2, a jar gusset plate shape diaphragm element mainly is to be used for the basic plate diaphragm element of ring interface formula is linked together, thus allow storage tank safely storing temperature be-162 ℃ low temperature LNG.These basic plate diaphragm elements are fixed on the sidewall and diapire of LNG storage tank inside.Jar gusset plate shape diaphragm element like this is used to connect the jar angle that storage tank forms the storage tank at right angle, therefore this jar gusset plate shape diaphragm element must expand according to the temperature stress of the fluid pressure of low temperature LNG and/or low temperature LNG generation and shrink effectively, simultaneously can finish the desired seal function again, prevent from jar angle leakage LNG.
In a LNG storage tank, the jar angle with jar gusset plate shape diaphragm element is to bear the strongest part of quiet fluid pressure.Therefore jar gusset plate shape diaphragm element and stiffening plate are fitted together and be very important.Wherein said stiffening plate is placed between jar gusset plate shape diaphragm element and the PC concrete structure (PC concrete structure), thereby obtains a required structural strength.
Yet the jar gusset plate shape diaphragm element of routine shown in Figure 1 has only one to bend to 90 ° of single pursing up.The sharp curved section that purses up of jar gusset plate shape diaphragm element will unnecessarily be subjected to the influence that stress is concentrated, and therefore is easy to be subjected to the destruction of fatigue load.
Fig. 2 is the jar gusset plate shape diaphragm element according to the another one embodiment of prior art.In diaphragm element shown in Figure 2, two plates are close together shoulder to shoulder, and weld together by welding method in its end, therefore guarantee to produce an emergent property along peripheral direction at an easy rate.Yet this welding method makes that jar manufacturing of gusset plate shape diaphragm element is too complicated, and is easy to cause structural imperfection at solder joint.Therefore, compare with conventional jar gusset plate shape diaphragm element, the easier seepage LNG of jar gusset plate shape diaphragm element shown in Figure 2, and be not easy to produce a uniform emergent property along Vertical direction.
Therefore, at problem in the prior art the present invention has been proposed, one object of the present invention just provides a kind of jar gusset plate shape diaphragm element of the LNG of being used for storage tank, this jar gusset plate shape diaphragm element is made of level board parts, vertical panel parts and swash plate parts, the swash plate parts have 45 ° of inclination angles, and described level board parts and vertical panel parts are connected into a single jar gusset plate shape diaphragm element.This jar gusset plate shape diaphragm element has central authorities and purses up and two parallel pursing up in the outside.Described central authorities purse up along axial central authorities in each end of jar gusset plate shape diaphragm element and form.Described two outsides are parallel to be pursed up parallel to each other and extends in the both sides of jar gusset plate shape diaphragm element, and the inner end that purses up of common ground ground and two central authorities is overlapping simultaneously.The end generation stress that therefore can prevent the jar gusset plate shape diaphragm element outside jar gusset plate shape diaphragm element purses up in two parallel outsides is concentrated.
Second purpose of the present invention just provides a kind of jar of gusset plate shape diaphragm element.This jar gusset plate shape diaphragm element is made of level board parts, vertical panel parts and swash plate parts, and the swash plate parts have 45 ° of inclination angles, and described level board parts and vertical panel parts are connected into a single jar gusset plate shape diaphragm element.This jar gusset plate shape diaphragm element has central authorities and purses up with two outsides and purse up.Described central authorities purse up axially and form along the central authorities at jar gusset plate shape diaphragm element.The length that the parallel length that purses up in described two outsides purses up less than central authorities is extended in the parallel both sides that purse up in described central authorities parallel to each other that purse up, described two outsides.The end generation stress that therefore can prevent the jar gusset plate shape diaphragm element outside jar gusset plate shape diaphragm element purses up in two parallel outsides is concentrated.
The 3rd purpose of the present invention just provides a kind of jar gusset plate shape diaphragm element of the LNG of being used for storage tank, this jar gusset plate shape diaphragm element is made of vertical panel parts and level board parts, and level board parts and vertical panel parts all have central authorities symmetrically and purse up with an arc and purse up.A right angle joint that vertically purses up in described two plate member contact extends.Therefore when the hydraulic pressure of the low temperature LNG in storage tank and/or temperature stress are applied on this jar gusset plate shape diaphragm element, allow three kinds of radius of curvature increases that purse up or reduce highly.
From detailed description of the present invention with reference to the accompanying drawings, above-mentioned and other purposes, characteristics and advantage of the present invention will be easier to understand.These accompanying drawings comprise:
Fig. 1 is the stereogram according to an embodiment's of prior art the jar gusset plate shape diaphragm element that is used for the LNG storage tank;
Fig. 2 is the stereogram according to the another one embodiment's of prior art the jar gusset plate shape diaphragm element that is used for the LNG storage tank;
Fig. 3 is the stereogram of a main embodiment's the jar gusset plate shape diaphragm element that is used for the LNG storage tank according to the present invention;
Fig. 4 is the stereogram according to the jar gusset plate shape diaphragm element that is used for the LNG storage tank of second embodiment of the invention;
Fig. 5 is the stereogram according to the jar gusset plate shape diaphragm element that is used for the LNG storage tank of third embodiment of the invention;
Fig. 3 is the stereogram of a main embodiment's the jar gusset plate shape diaphragm element that is used for the LNG storage tank according to the present invention.As shown in the figure, the jar gusset plate shape diaphragm element according to this main embodiment is made of a level board parts A1, a vertical panel parts A2 and a swash plate components A 3.The inclination angle of swash plate components A 3 is 45 °, and level board parts A1 and vertical panel parts A2 are linked to be one single jar gusset plate shape diaphragm element.
Two outsides are parallel to be pursed up 10 parallel to each other, extend on three plate member A1, A2 and the A3 in the diaphragm element both sides symmetrically, and 3 places bend to 45 in the swash plate components A, and each outside purses up two ends 11 of 10 and is positioned at respectively on level board parts A1 and the vertical panel parts A2.
On the other hand, central authorities purse up 12 and stretch out towards swash plate components A 3 along central axis from the outboard end of level board parts A1 and vertical panel parts A2, the part that purses up up to these central authorities and two outsides purse up 10 end 11 overlapping till.
In above-mentioned jar gusset plate shape diaphragm element, two outsides purse up two isolated central authorities of 10 protections and purse up 12, more effectively expand and shrink thereby make this jar gusset plate shape diaphragm element can respond the tangential stress that is applied on this jar gusset plate shape diaphragm element.In addition, because this embodiment's jar gusset plate shape diaphragm element has 45 ° inclination angle in its bight, therefore improved operational stability significantly, compare with 90 ° the conventional can gusset plate shape diaphragm element of bending to of prior art, can easier, more simply this jar gusset plate shape diaphragm element be installed in the jar angle of a LNG storage tank.
In jar gusset plate shape diaphragm element shown in Figure 3, level board parts A1 contacts with the diapire of storage tank, and vertical panel parts A2 then contacts with the sidewall of storage tank.
In addition, two types in the above-mentioned jar gusset plate shape diaphragm element purse up 10 identical with 12 height.These purse up 10,12 and have semi-circular section or polygonal cross-section, thereby do not hinder normal function of the present invention.
Fig. 4 is the stereogram according to the jar gusset plate shape diaphragm element that is used for the LNG storage tank of second embodiment of the invention.As shown in the figure, according to the jar gusset plate shape diaphragm element of second embodiment of the invention by a level board parts B1, a vertical panel parts B2 and a swash plate part B 3.The inclination angle of swash plate part B 3 is 45 °, and level board parts B1 and vertical panel parts B2 are linked to be one single jar gusset plate shape diaphragm element.
Two outsides are parallel to purse up 10 ' parallel to each other, extend on three plate member B1, B2 and the B3 in the both sides of diaphragm element symmetrically, and bend to 45 in swash plate part B 3, and each outside purses up 10 ' two ends 11 ' be positioned at respectively on level board parts B1 and the vertical panel parts B2.
On the other hand, central authorities purse up 12 ' along two outsides are parallel purses up 10 ' between axial centre ground, space extend to the outboard end of vertical panel parts B2, crooked angle at 45 simultaneously continuously from the outboard end of level board parts B1 at swash plate part B 3 places.
In above-mentioned jar gusset plate shape diaphragm element; central authorities purse up 12 ' between level board parts B1 and vertical panel parts B2, extend continuously along the medial axis; thereby protect two outsides purse up 10 ', described two outsides purse up 10 ' not outboard end that arrive level board parts B1 and vertical panel parts B2.Jar gusset plate shape diaphragm element according to second embodiment of the present invention can be finished required operating function effectively.In other words, an above-mentioned jar gusset plate shape diaphragm element can respond the tangential stress that is applied on this jar gusset plate shape diaphragm element and more effectively expands and shrink.In addition, because this embodiment's jar gusset plate shape diaphragm element has 45 ° inclination angle in its bight, therefore improved working stability significantly, compare with 90 ° the conventional can gusset plate shape diaphragm element of bending to of prior art, can easier, more simply this jar gusset plate shape diaphragm element be installed in the jar angle of a LNG storage tank.
In jar gusset plate shape diaphragm element shown in Figure 4, level board parts B1 contacts with the diapire of storage tank, and vertical panel parts B2 then contacts with the sidewall of storage tank.
In addition, two types in the above-mentioned jar gusset plate shape diaphragm element purse up 10 ' with 12 ' height identical.These purse up 10 ', 12 ' have semi-circular section or polygonal cross-section, thereby do not hinder normal function of the present invention.
Fig. 5 is the stereogram according to the jar gusset plate shape diaphragm element that is used for the LNG storage tank of third embodiment of the invention.As shown in the figure, according to the jar gusset plate shape diaphragm element of third embodiment of the invention by vertical panel parts 20 and level board parts 20 ' constitute.These vertical panel parts 20 are connected on the sidewall of LNG storage tank.On the other hand, level board parts 20 ' form one and constitute a single jar gusset plate shape diaphragm element with vertical panel parts 20, the angle of two plate member is 90 °, and these level board parts 20 ' be connected on the diapire of LNG storage tank.Each plate member 20,20 ' all has an arc and purses up 22.
Central authorities purse up respectively from each plate member 20,20 ' outboard end stretch to relevant arc along straight line and purse up 22 middle part 25a.In this case, pursing up 21 inner end 23 and relevant arc in each central authorities purses up between 22 the middle part 25a and forms a space.
One vertically purses up the 26 right angle joints along two plate member 20 and 20 ' contact and extends.The above-mentioned 26 interior side directions towards the bight of this jar gusset plate shape diaphragm element that vertically purse up purse up, as shown in Figure 5.
In above-mentioned jar gusset plate shape diaphragm element, two plate member in other words vertical panel parts 20 and level board parts 20 ' in each plate member all have symmetrically central authorities purse up 21 and arc purse up 22, and have one along two plate member 20 and 20 ' the right-angled bend junction point extend vertically purse up 26.Jar gusset plate shape diaphragm element according to the 3rd embodiment of the present invention can be finished required operating function effectively.In other words, in this embodiment's jar gusset plate shape diaphragm element, when the hydraulic pressure of the low temperature LNG in storage tank and/or temperature stress were applied on this jar gusset plate shape diaphragm element, each purses up 21,22 and 26 radius of curvature can increase, and perhaps highly can reduce.
In above-mentioned jar gusset plate shape diaphragm element, vertically purse up 26 sidewall and the layouts of the angle between the diapire along storage tank.
In addition, the central authorities in the above-mentioned jar gusset plate shape diaphragm element purse up 21 with arc to purse up 22 height identical.Three types purse up 21,22 and 26 has semi-circular section or polygonal cross-section, thereby do not hinder normal function of the present invention.
As mentioned above, the invention provides a jar gusset plate shape diaphragm element that is used for the LNG storage tank.According to an embodiment of the invention jar of gusset plate shape diaphragm element is by level board parts, vertical panel parts and swash plate parts.The inclination angle of swash plate parts is 45 °, and level board parts and vertical panel parts are linked to be one single jar gusset plate shape diaphragm element.Two outsides are parallel to be pursed up parallel to each other, symmetrically in the both sides of diaphragm element on three plate member along extending axially, and bend to 45 at swash plate parts place.In this case, two ends that purse up outside each are positioned at respectively on level board parts and the vertical panel parts.Central authorities purse up from the outboard end of level board parts and vertical panel parts stretches out towards the swash plate parts along central axis, till the end that the part that purses up up to these central authorities and two outsides purse up is overlapping.Different with the jar gusset plate shape diaphragm element of routine, of the present invention jar of gusset plate shape diaphragm element allows storage tank to store the low temperature LNG with-162 ℃ of temperature safely.Jar gusset plate shape diaphragm element of the present invention more effectively expands according to the fluid pressure of low temperature LNG and/or temperature stress that low temperature LNG produced and shrinks, and finishes required sealing function simultaneously.This embodiment's a jar gusset plate shape diaphragm element has improved working stability significantly, and easier, this jar gusset plate shape diaphragm element is installed in the jar angle of a LNG storage tank more simply.
Although described preferred forms of the present invention for the purpose of illustration, those of ordinary skill in the art should be understood that, various improvement, increase and minimizing all are possible, all do not depart from disclosed scope of the present invention and flesh and blood in the claim of back, back.
Claims (6)
1. jar gusset plate shape diaphragm element that is used for the LNG storage tank comprises:
Level board parts and vertical panel parts, described level board parts and vertical panel parts connect into a single jar gusset plate shape diaphragm element by the swash plate parts with 45 ° of inclination angles;
Two parallel pursing up in the outside, described two outsides are parallel to be pursed up parallel to each other, extend the both sides along this jar gusset plate shape diaphragm element on described three plate member symmetrically, and bends to 45 at swash plate parts place; And two ends that each outside purses up are positioned at respectively on level board parts and the vertical panel parts; And
Central authorities purse up, and described central authorities purse up from the outboard end of level board parts and vertical panel parts stretches to the swash plate parts along the medial axis, till the end that the part that purses up up to these central authorities and two outsides purse up is overlapping.
2. jar gusset plate shape diaphragm element according to claim 1 is characterized in that, described central authorities purse up to purse up with the outside has same height, and its cross section is semicircle or polygonal shape.
3. jar gusset plate shape diaphragm element that is used for the LNG storage tank comprises:
Level board parts and vertical panel parts, described level board parts and vertical panel parts connect into a single jar gusset plate shape diaphragm element by the swash plate parts with 45 ° of inclination angles;
Two parallel pursing up in the outside, described two outsides are parallel to be pursed up parallel to each other, extend the both sides along this jar gusset plate shape diaphragm element on described three plate member symmetrically, and bends to 45 at swash plate parts place; And two ends that each outside purses up are positioned at respectively on level board parts and the vertical panel parts; And
Central authorities purse up, described central authorities purse up axial centre ground along the space between two parallel pursing up in the outside, extend to the outboard end of described vertical panel parts continuously from the outboard end of described level board parts, simultaneously crooked angle at 45 at swash plate parts place.
4. jar gusset plate shape diaphragm element according to claim 3 is characterized in that, described central authorities purse up to purse up with the outside has same height, and its cross section is semicircle or polygonal shape.
5. jar gusset plate shape diaphragm element that is used for the LNG storage tank comprises:
Vertical panel parts and level board parts, described level board parts and described vertical panel parts form one and constitute a single jar gusset plate shape diaphragm element, and two crossing angles of plate member are 90 °;
An arc purses up, and described arc purses up and is formed on described two plate member;
Central authorities purse up, the outboard end that described central authorities purse up each plate member from described two plate member is stretched to the middle part that relevant arc purses up along straight line, thereby forms a space between the middle part that inner end that each central authorities purses up and relevant arc purse up; And
One vertically purses up, and extend at the described joining portion, right angle that vertically purses up between described two plate member, and described vertically pursing up towards the interior side direction in the bight of this jar gusset plate shape diaphragm element purses up.
6. according to claim 5 jar of gusset plate shape diaphragm element is characterized in that it is identical that described central authorities purse up the height that purses up with arc, and described arc purses up, central authorities purse up and described vertically pursing up has semi-circular section or polygonal cross-section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR28874/1999 | 1999-07-16 | ||
| KR1019990028874A KR20010010152A (en) | 1999-07-16 | 1999-07-16 | Improved structure of a corner piece membrane unit for LNG storage tanks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1281117A CN1281117A (en) | 2001-01-24 |
| CN1087064C true CN1087064C (en) | 2002-07-03 |
Family
ID=19602324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99125210A Expired - Lifetime CN1087064C (en) | 1999-07-16 | 1999-11-29 | Tank angle flake shape diaphragm element used on liquified natural gas storage tank |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20010010152A (en) |
| CN (1) | CN1087064C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4616279B2 (en) | 2004-12-08 | 2011-01-19 | コリア ガス コーポレイション | Storage tank for liquefied natural gas and method for producing the same |
| KR101452824B1 (en) * | 2012-11-19 | 2014-10-23 | 삼성중공업 주식회사 | Manufacturing method of membrane for lng storage tank |
| KR101647459B1 (en) * | 2013-09-06 | 2016-08-11 | 대우조선해양 주식회사 | Membrane of tank for cryogenic fluid storage |
| FR3102532B1 (en) * | 2019-10-25 | 2023-12-08 | Gaztransport Et Technigaz | Natural gas tank in liquid state of a ship |
| KR20230000309A (en) * | 2021-06-24 | 2023-01-02 | 한국가스공사 | Asymmetry membrane and membrane arrangement structure using the asymmetry membrane, and liquefied gas storage tank including the structure |
| CN117685492A (en) * | 2024-02-01 | 2024-03-12 | 沪东中华造船(集团)有限公司 | Sealing film unit for liquefied gas insulating storage tank, sealing film, processing method and storage tank |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11180493A (en) * | 1997-12-19 | 1999-07-06 | Tokyo Gas Co Ltd | Keeping cool structure for side part of underground storage tank |
-
1999
- 1999-07-16 KR KR1019990028874A patent/KR20010010152A/en not_active Application Discontinuation
- 1999-11-29 CN CN99125210A patent/CN1087064C/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11180493A (en) * | 1997-12-19 | 1999-07-06 | Tokyo Gas Co Ltd | Keeping cool structure for side part of underground storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010010152A (en) | 2001-02-05 |
| CN1281117A (en) | 2001-01-24 |
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Granted publication date: 20020703 |