CN104235594A - Horizontal double-layer buried storage tank - Google Patents
Horizontal double-layer buried storage tank Download PDFInfo
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- CN104235594A CN104235594A CN201310232692.8A CN201310232692A CN104235594A CN 104235594 A CN104235594 A CN 104235594A CN 201310232692 A CN201310232692 A CN 201310232692A CN 104235594 A CN104235594 A CN 104235594A
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- outer container
- pump pond
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- container
- fixed
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- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 17
- 239000012071 phase Substances 0.000 claims description 15
- 239000007791 liquid phase Substances 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000005213 imbibition Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a horizontal double-layer buried storage tank used for storing LNG. The storage tank comprises an outer container which can completely be buried underground, an inner container arranged inside the outer container, a pump sump arranged at a vacuum insulation interlayer between the outer container and the inner container, an immersed pump disposed at the bottom inside the pump sump, a drain pipe connected with a liquid outlet of the immersed pump, a pump-back air-pipe and a bottom communicating pipe communicating the lower part of the pump sump and the bottom of the inner container. The upper end portion of the pump sump extends out of the top of the outer container. An imbibition port of the immersed pump is lower than the bottom end portion of the inner container. According to the invention, the pump sump, the immersed pump and the tank body are integrated as a whole, and the whole body can be buried underground. There is no need to specially build thermal insulation facilities such as a cryogenic pump sump and the like. Therefore, a lot of manpower, material and financial resources are saved, and it is energy saving and environmentally friendly to use the horizontal double-layer buried storage tank.
Description
Technical field
The present invention relates to the field of pressurized container application, being mainly used in gas station, is the main body auxiliary facility of gas station, particularly relates to a kind of buried basin of horizontal bilayer for storing LNG.
Background technique
At present, low-temperature storage tank is mostly placed on ground, mostly be double layer construction, the medium overwhelming majority of splendid attire is cryogenic liquide, as liquid oxygen, liquid nitrogen, liquid argon, liquified natural gas (LNG), liquid carbon dioxide, liquid ethylene etc., the supporting pipeline that basin is relevant requires higher, and considers for factors such as security against fires, larger to the requirement of basin surrounding space.
Simultaneously, be placed in the low-temperature pressure container on ground, during by pump transmission cryogenic liquide, for being in low-temperature condition when ensureing pump work always, current way pump is placed in an adiabatic cryogenic pump sump, in order to strengthen heat insulation effect, cryogenic pump sump is designed to double layer construction, and increasing corresponding thermal insulating material and other manufacturability safeguard measures, complex structure, cost is high.The pump pond body of cryogenic pump sump is equipped with the structure such as liquid inlet pipe, liquid return pipe.The oral area of pump pond body is welded with flange, and pump is directly fixed on below the blind flange as pump Chi Gai, blind flange by Stud connection on flange.Application practice shows, current cryogenic pump sump has the following disadvantages: pump Chi Gai directly contacts with the gas phase of cryogenic liquide, therefore there is direct heat trnasfer therebetween.Because pump pond body is a heat insulation layer, such blind flange is exactly a direct heat conduction body, and a large amount of heats is delivered in cryogenic liquide, causes cryogenic liquide saturation pressure to rise, the cap surface large size frosting of pump pond, cryogenic pump sump cisco unity malfunction time serious.
Therefore, in traditional low-temperature pressure container, first due to needs for a cryogenic pump sump built by pump, consume a large amount of human and material resources resources; Secondly, even if pump is located in cryogenic pump sump, also inevitably produces certain leaking heat and frost etc., thus cause energy ezpenditure, be unfavorable for energy-conserving and environment-protective.
Summary of the invention
The object of the present invention is to provide the buried basin of a kind of horizontal bilayer, with the problem that the energy loss solving existing low-temperature pressure container is serious.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
The invention provides the buried basin of a kind of horizontal bilayer, for storing LNG, the buried basin of described horizontal bilayer comprises outer container, inner container, pump pond, immersed pump, drain pipe, blowback tracheae and bottom connecting tube.Outer container all can be embedded in below ground; Inner container is located in described outer container; The vacuum insulation interlayer between described outer container and described inner container is located in pump pond, and is positioned at an end of described inner container, and described outer container tip portion is stretched out in the upper end portion in pump pond; Immersed pump is arranged at described pump pond inner bottom part, and the liquid sucting port of described immersed pump is lower than described inner container bottom; The bottom of drain pipe is connected to the liquid outlet of described immersed pump, and described pump pond is stretched out on top, and the center line in the center line of described drain pipe and described pump pond is on same vertical curve; One end of blowback tracheae is communicated in described pump pond, and the other end extend into described inner container inner top; One end of bottom connecting tube is communicated in bottom, described pump pond, and the other end is communicated in bottom described inner container.
According to an embodiment of the present invention, described outer container is stretched out in the bottom in described pump pond, and is fixedly connected with described outer container.
According to an embodiment of the present invention, described pump pond comprises pump pool wall and is fixed on the pump pond end socket of described pump pool wall bottom, described pump pond end socket spherically shape, bowl-type or dish.
According to an embodiment of the present invention, the buried basin of described horizontal bilayer also comprises protection heat-preservation cylinder, and protection heat-preservation cylinder is fixed on outside described outer container, and described pump pond protrudes out described outer container, and is positioned at described protection heat-preservation cylinder.
According to an embodiment of the present invention, thermal insulating material is filled with between described pump pond and described protection heat-preservation cylinder.
According to an embodiment of the present invention, described protection heat-preservation cylinder comprises urceolus, urceolus end socket and lower stiffening ring.Described outer container is fixed on the top of urceolus, and urceolus end socket is fixed on the bottom of described urceolus, and lower stiffening ring is fixed on described outer container inner side surface and described pump pond, and the radial dimension of described lower stiffening ring is greater than the radial dimension of described outer container.
According to an embodiment of the present invention, the buried basin of described horizontal bilayer also comprises at least one fixing device described pump pond being fixedly connected on described inner container.
According to an embodiment of the present invention, described fixing device comprises fixed plate and at least two fixing rods.Fixed plate is fixed on described pump pond, and described fixed plate is fixed in one end of at least two fixing rods, and the other end is fixed on described inner container.
According to an embodiment of the present invention, described outer container tip portion is provided with outer container open top corresponding to position, described pump pond, and the buried basin of described horizontal bilayer also comprises outer connecting cylinder, outer connecting cylinder end socket and upper stiffening ring.The bottom of outer connecting cylinder is fixed on described outer container and is surrounded described outer container open top, and outer connecting cylinder end socket is fixedly installed in the tip portion of described outer connecting cylinder, and described outer connecting cylinder end socket has through hole; Described pump pond is stretched out the through hole of described outer connecting cylinder end socket and is fixed with described through hole periphery; Upper stiffening ring is fixed on described outer connecting cylinder periphery and described outer container.
According to an embodiment of the present invention, described pump pond tip portion is provided with pump pond blind flange, and described pump pond blind flange central authorities have through hole and stretch out for described drain pipe.
According to an embodiment of the present invention, described outer connecting cylinder end socket is provided with and surveys vacuum system, flameproof apparatus, vacuum valve, top liquid entering hole, bottom liquid inlet mouth, level meter gas phase mouth, level meter liquid phase mouth and gas phase mouth.
According to an embodiment of the present invention, the buried basin of described horizontal bilayer also comprises the pipeline be connected with described top liquid entering hole, bottom liquid inlet mouth, level meter gas phase mouth, level meter liquid phase mouth and gas phase mouth respectively, and the part between described outer container and described inner container of each pipeline is provided with curved part.
According to an embodiment of the present invention, the level meter liquid-phase tube be connected with described level meter liquid phase mouth is close to described outer container inwall.
According to an embodiment of the present invention, described outer container top is far from the height at least 500mm on ground.
As shown from the above technical solution, advantage and the good effect of the buried basin of horizontal bilayer of the present invention are: outer container all can be embedded in below ground, pump pond is located in the vacuum insulation interlayer between outer container and inner container, and immersed pump is arranged in inner container, the tank body of immersed pump and basin is combined together, therefore the buried basin of horizontal bilayer of the present invention entirety can be embedded in below ground, so not only save ground space, and compared to traditional situation LNG basin being arranged at ground, the safe distance in the regions such as the buried basin of horizontal bilayer of the present invention and neighbouring house can reduce more than 50%.
Meanwhile, because the vacuum insulation interlayer between outer container and inner container is located in pump pond, double layer construction will be designed in pump pond, also without the need to corresponding thermal insulating material and other manufacturability safeguard measures.Therefore, in the present invention, pump pool structure is simple, and cost is low, saves a large amount of human and material resources, financial resource.And ensure that immersed pump is in low-temperature condition all the time, decrease the leaking heat by cryogenic pump sump, improve the overall cryogenic property of basin, significantly reduce the Daily boil-off-rate of basin.Therefore, the buried basin energy-conserving and environment-protective of horizontal bilayer of the present invention are used.
By referring to accompanying drawing description of a preferred embodiment, above-mentioned and other objects, features and advantages of the present invention will be more obvious.
Accompanying drawing explanation
Fig. 1 is the structural representation of the buried basin of horizontal bilayer of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the D direction view in Fig. 2, represents the structure of fixing device;
Fig. 4 is the structural representation in the pump pond in the buried basin of horizontal bilayer of the present invention;
Fig. 5 is the plan view of Fig. 4;
Fig. 6 is the plan view of Fig. 2;
Fig. 7 is the right elevation of Fig. 2;
Fig. 8 is the right elevation of Fig. 2, has wherein removed saddle support, protection heat-preservation cylinder and outer connecting cylinder end socket;
Fig. 9 represents the schematic diagram being provided with curved part in the pipeline between inner container in the buried basin of horizontal bilayer of the present invention and outer container.
Embodiment
Specific embodiments of the invention are described in detail below in conjunction with accompanying drawing.It should be noted that the embodiments described herein is only for illustrating, is not limited to the present invention.
As shown in Figure 1, the buried basin of horizontal bilayer of the present invention, it is for storing LNG cryogenic liquide.The buried basin of horizontal bilayer comprises: outer container 1, inner container 3, pump pond 100, immersed pump 4 and various pipelines etc.
Outer container 1 comprises outer cylinder body and is welded in outer left end socket 7 and outer right end socket 10 and the outer cylinder body stiffening ring etc. at cylindrical shell two ends.Bottom outer cylinder body, two ends are provided with saddle support 6, and two ends, top are provided with hanger 9.Outer container 1 all can be embedded in below ground, and such as outer container 1 top is far from the height at least 500mm on ground, and that is the overburden layer at outer container 1 top at least can reach 500mm.
Inner container 3 mainly comprises inner barrel, interior left end socket, interior right end socket, inner stiffener ring etc.Inner container 3 can adopt conventional construction.
As depicted in figs. 1 and 2, the vacuum insulation interlayer 110 between outer container 1 and inner container 3 is located in pump pond 100, and is positioned at an end of inner container 3, such as tail end.The structure in pump pond 100 can be varied, and such as pump pond 100 comprises pump pool wall 130 and is fixedly welded on the pump pond end socket 120 of pump pool wall 130 bottom.Pump pool wall 130 can in vertical tubular, and pump pond end socket 120 can be rounding off curve form or other shapes such as spheric, bowl-type, dish.Outer container 1 tip portion is stretched out in the upper end portion of pump pool wall 130, and is welded and fixed with outer container 1.The position of the bottom of pump pond end socket 120 is lower than the bottom of inner container 3.Further, can to stretch out outer container 1 outer and be welded and fixed with outer container 1 for pump pond end socket 120.Pump pond 100 in the present invention only needs single layer structure, and therefore structure is simple, and cost of material and cost of labor are all significantly reduced.
As shown in Figures 2 and 3, in order to strengthen the constant intensity in pump pond 100 further, the present invention also comprises two fixing devices pump pond 100 being fixedly connected on inner container 3 further, and the number of fixing device is not limited with two, can suitably increase or reduce.Fixing device comprises fixed plate 70 and two fixing rods 80.Fixed plate 70 is fixed on the pump pool wall 130 in pump pond 100, wherein fixed plate 70 can match with the external frame at least partially of pump pool wall 130 with the shape of the fixed contact 71 of pump pool wall 130, fixed contact 71 semicircular in shape such as shown in Fig. 3, so can increase the constant intensity of fixed plate 70 and pump pool wall 130.Fixing rod 80, such as angle steel, fixed plate 70 is fixed in one end, and the other end is fixed on the right end socket of inner container 3.The number of fixing rod 80 is not limited to two, can suitably increase as required or reduce.
As shown in Figure 2, immersed pump 4 is arranged at pump pond 100 inner bottom part, and the liquid sucting port of immersed pump 4 is lower than inner container 3 bottom.Immersed pump 4 is installed in pump pond 100, is immersed in liquid, can use this immersed pump 4 fast.
Various pipelines in the present invention comprise drain pipe 41, blowback tracheae 43, bottom connecting tube 44, tank body liquid inlet pipe 45 etc.Wherein, the bottom of drain pipe 41 is connected to the liquid outlet 40 of immersed pump 4 by adpting flange 38, pump pond 100 is stretched out on top, and the center line in the center line of drain pipe 41 and pump pond 100 is on same vertical curve.After immersed pump 4 is built in and has located in pump pond 100, its coaxality, perpendicularity deviation should be less than 0.2mm.The extension of drain pipe 41 can need to bend towards any direction according to scene.One end of blowback tracheae 43 is communicated in pump pond 100, and the other end extend into inner container 3 inner top.In immersed pump 4 working procedure, the gas of generation flow to inner container 3 through blowback tracheae 43.One end of bottom connecting tube 44 is communicated in bottom, pump pond 100, and the other end is communicated in bottom inner container 3.
In the present invention, immersed pump 4 is arranged in pump pond 100, and the vacuum insulation interlayer 110 between outer container 1 and inner container 3 is located in pump pond 100.Therefore, energy entirety of the present invention is embedded in underground, does not need the lagging facility additionally arranging pump, and the cryogenic property of basin is good, and significantly cuts operating costs.
Under pump pond end socket 120 stretches out the outer situation of outer container 1, further, the present invention also comprises the protection heat-preservation cylinder be weldingly fixed on outside outer container 1.This protection heat-preservation cylinder comprises urceolus 11, urceolus end socket 12 and lower stiffening ring 13.Wherein outer container 1 is fixed on the top of urceolus 11, urceolus end socket 12 is fixedly welded on the bottom of urceolus 11, lower stiffening ring 13 is fixedly welded on inner side surface and the outer container 1 of urceolus 11, and the radial dimension of lower stiffening ring 13 is greater than urceolus 11, to increase outer container 1 in the intensity connecting urceolus 11 place.The bottom of pump pond end socket 120 protrudes out outer container 1, and is positioned at protection heat-preservation cylinder, and protection heat-preservation cylinder plays a protective role to pump pond end socket 120.Further, at pump pond end socket 120 and can also protect fill insulant material, such as pearlife etc. between heat-preservation cylinder, protection heat-preservation cylinder can also play the effect of adiabatic heat-insulation to the cryogenic liquide in pump pond 100.The road clearance of protection heat-preservation cylinder is a little more than the road clearance of the lowermost end of the buried basin of horizontal bilayer, so that basin can be placed well and transport when processed again and under traffic condition.
Outer container 1 tip portion is provided with outer container open top corresponding to position, pump pond 100, and the buried basin of the horizontal bilayer of the present invention also comprises outer connecting cylinder 15, outer connecting cylinder end socket 16 and upper stiffening ring 18.The bottom of outer connecting cylinder 15 is fixedly welded on outer container 1 and surrounds outer container open top.Outer connecting cylinder end socket 16 is welded and fixed the tip portion of outer connecting cylinder 15, and outer connecting cylinder end socket 16 can in shapes such as dishes, and its central authorities have through hole, and pump pool wall 130 upper end portion in pump pond 100 is stretched out outer container 1 by this through hole and stretched out and be welded and fixed with through hole periphery.Upper stiffening ring 18 is fixedly welded on outer connecting cylinder 15 periphery and outer container 1.
As shown in Figure 5, pump pool wall 130 upper end portion in pump pond 100 is provided with adpting flange 50, is provided with pump pond blind flange 140 by this adpting flange 50, and pump pond blind flange 140 central authorities have through hole and stretch out for drain pipe 41.Pump pond blind flange 140 is also provided with the gas phase mouth 30 be communicated with inside, pump pond.
As shown in Fig. 2, Fig. 6 to Fig. 8, in the present invention, survey the structure such as vacuum system 21, flameproof apparatus 22, vacuum valve 23, top liquid entering hole 24, bottom liquid inlet mouth 25, level meter gas phase mouth 26, level meter liquid phase mouth 27 and gas phase mouth 28 all can concentrated setting in the top of the buried basin of horizontal bilayer, such as concentrate and be located on outer connecting cylinder end socket 16.Opening concentrated by outer container, and be conducive to concentrating and carry out Strengthening Design, and this basin is in follow-up using process, and the mouth of pipe is concentrated, can allow user more convenient, use quickly.Be not limited with above-mentioned specific descriptions at the top concentrated setting various pipeline opening of the buried basin of horizontal bilayer and the mode of annex.
As shown in Figure 9, the buried basin of horizontal bilayer of the present invention also comprises the pipeline be connected with top liquid entering hole 24, bottom liquid inlet mouth 25, level meter gas phase mouth 26, level meter liquid phase mouth 27 and gas phase mouth 28 respectively, consider actual shrinkage operating mode, main gas phase pipeline, the part between outer container 1 and inner container 3 of liquid phase pipeline are provided with curved part 20, such as adopt the mode of structure that π is curved, strengthen the degree of flexibility of whole pipe with reality.In addition, as shown in Figure 7 and Figure 8, the level meter liquid-phase tube 60 be connected with level meter liquid phase mouth 27 is close to outer container 1 inwall, and this design can improve the vaporization ability of liquid in pipeline to a certain extent.
To sum up, in the buried basin of horizontal bilayer of the present invention, pump pond is located in the vacuum insulation interlayer between inner container and outer container, select immersed pump, and immersed pump is arranged at pump pond inner bottom part, immersed pump, pump pond, tank body are combined together, entirety can be embedded in below ground, the lagging facilities such as cryogenic pump sump need not be built for pump specially, save a large amount of human and material resources, financial resource, use the buried basin energy-conserving and environment-protective of horizontal bilayer of the present invention.
Although exemplary embodiment describe the present invention with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (14)
1. the buried basin of horizontal bilayer, for storing LNG, is characterized in that, the buried basin of described horizontal bilayer comprises:
Outer container (1), all can be embedded in below ground;
Inner container (3), is located in described outer container;
Pump pond (100), is located at the vacuum insulation interlayer (110) between described outer container (1) and described inner container (3), and is positioned at an end of described inner container (3), and described outer container (1) tip portion is stretched out in the upper end portion of described pump pond (100);
Immersed pump (4), be arranged at described pump pond (100) inner bottom part, and the liquid sucting port (40) of described immersed pump (4) is lower than described inner container (3) bottom;
Drain pipe (41), bottom is connected to the liquid outlet of described immersed pump (4), and described pump pond (100) is stretched out on top, and the center line in the center line of described drain pipe (41) and described pump pond (100) is on same vertical curve;
Blowback tracheae (43), one end is communicated in described pump pond (100), and the other end extend into described inner container (3) inner top;
Bottom connecting tube (44), one end is communicated in described pump pond (100) bottom, and the other end is communicated in described inner container (3) bottom.
2. the buried basin of horizontal bilayer according to claim 1, is characterized in that, described outer container (1) is stretched out in the bottom of described pump pond (100), and is fixedly connected with described outer container (1).
3. the buried basin of horizontal bilayer according to claim 1, it is characterized in that, described pump pond (100) comprises pump pool wall (130) and is fixed on pump pond end socket (120) of described pump pool wall (130) bottom, described pump pond end socket (120) spherically shape, bowl-type or dish.
4. the buried basin of horizontal bilayer according to claim 1,2 or 3, is characterized in that, the buried basin of described horizontal bilayer also comprises:
Protection heat-preservation cylinder, be fixed on described outer container (1) outside, described pump pond (100) protrudes out described outer container (1), and is positioned at described protection heat-preservation cylinder.
5. the buried basin of horizontal bilayer according to claim 4, is characterized in that, is filled with thermal insulating material between described pump pond (100) and described protection heat-preservation cylinder.
6. the buried basin of horizontal bilayer according to claim 5, is characterized in that, described protection heat-preservation cylinder comprises:
Urceolus (11), described outer container (1) is fixed on top;
Urceolus end socket (12), is fixed on the bottom of described urceolus (11);
Lower stiffening ring (13), be fixed on described outer container (1) inner side surface and described pump pond (100), and the radial dimension of described lower stiffening ring (13) is greater than the radial dimension of described outer container (1).
7. the buried basin of horizontal bilayer according to claim 1, is characterized in that, the buried basin of described horizontal bilayer also comprises at least one fixing device described pump pond (100) being fixedly connected on described inner container (3).
8. the buried basin of horizontal bilayer according to claim 7, it is characterized in that, described fixing device comprises:
Fixed plate (70), it is fixed on described pump pond (100);
At least two fixing rods (80), described fixed plate (70) is fixed in one end, and the other end is fixed on described inner container (3).
9. the buried basin of horizontal bilayer according to claim 1, is characterized in that, described outer container (1) tip portion is provided with outer container open top corresponding to described pump pond (100) position, and the buried basin of described horizontal bilayer also comprises:
Outer connecting cylinder (15), bottom is fixed on described outer container (1) and is surrounded described outer container open top;
Outer connecting cylinder end socket (16), is fixedly installed in the tip portion of described outer connecting cylinder (15), and described outer connecting cylinder end socket (16) has through hole;
Described pump pond (100) is stretched out the through hole of described outer connecting cylinder end socket (16) and is fixed with described through hole periphery;
Upper stiffening ring (18), is fixed on described outer connecting cylinder (15) periphery and described outer container (1).
10. the buried basin of horizontal bilayer according to claim 9, is characterized in that, described pump pond (100) tip portion is provided with pump pond blind flange (140), and described pump pond blind flange (140) central authorities have through hole and stretch out for described drain pipe (41).
The buried basin of 11. horizontal bilayer according to claim 9, it is characterized in that, described outer connecting cylinder end socket (16) is provided with surveys vacuum system (21), flameproof apparatus (22), vacuum valve (23), top liquid entering hole (24), bottom liquid inlet mouth (25), level meter gas phase mouth (26), level meter liquid phase mouth (27) and gas phase mouth (28).
The buried basin of 12. horizontal bilayer according to claim 9, it is characterized in that, the buried basin of described horizontal bilayer also comprises the pipeline be connected with described top liquid entering hole (24), bottom liquid inlet mouth (25), level meter gas phase mouth (26), level meter liquid phase mouth (27) and gas phase mouth (28) respectively, and the part be positioned between described outer container (1) and described inner container (3) of each pipeline is provided with curved part.
The buried basin of 13. horizontal bilayer according to claim 9, is characterized in that, the level meter liquid-phase tube (60) be connected with described level meter liquid phase mouth (27) is close to described outer container (1) inwall.
The buried basin of 14. horizontal bilayer according to claim 1, is characterized in that, described outer container (1) top is far from the height at least 500mm on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232692.8A CN104235594B (en) | 2013-06-13 | 2013-06-13 | Horizontal double-layer buried storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232692.8A CN104235594B (en) | 2013-06-13 | 2013-06-13 | Horizontal double-layer buried storage tank |
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| CN104235594A true CN104235594A (en) | 2014-12-24 |
| CN104235594B CN104235594B (en) | 2017-05-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042329A (en) * | 2015-08-26 | 2015-11-11 | 成都华气厚普机电设备股份有限公司 | Double-layer type LNG pump well structure and storage tank comprising structure |
| CN105485513A (en) * | 2015-12-31 | 2016-04-13 | 成都华气厚普机电设备股份有限公司 | Built-in pump LNG (liquefied natural gas) storage tank |
| CN106628698A (en) * | 2016-11-21 | 2017-05-10 | 中国石油集团渤海石油装备制造有限公司 | Underground double-layered oil tank and preparation method thereof |
| EP3232111A1 (en) | 2016-04-14 | 2017-10-18 | Linde Aktiengesellschaft | Container for a refrigerated liquefied gas |
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| DE102020007617A1 (en) | 2020-01-23 | 2021-07-29 | Linde Gmbh | Container for a cryogenic liquid gas |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3739210A1 (en) * | 2019-05-16 | 2020-11-18 | Cryostar SAS | Apparatus for pumping cryogenic fluids |
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| CN105042329A (en) * | 2015-08-26 | 2015-11-11 | 成都华气厚普机电设备股份有限公司 | Double-layer type LNG pump well structure and storage tank comprising structure |
| CN105042329B (en) * | 2015-08-26 | 2017-06-30 | 成都华气厚普机电设备股份有限公司 | Two-layer equation LNG pump well construction and the storage tank containing its structure |
| CN105485513A (en) * | 2015-12-31 | 2016-04-13 | 成都华气厚普机电设备股份有限公司 | Built-in pump LNG (liquefied natural gas) storage tank |
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| EP3232111A1 (en) | 2016-04-14 | 2017-10-18 | Linde Aktiengesellschaft | Container for a refrigerated liquefied gas |
| CN106628698A (en) * | 2016-11-21 | 2017-05-10 | 中国石油集团渤海石油装备制造有限公司 | Underground double-layered oil tank and preparation method thereof |
| CN106628698B (en) * | 2016-11-21 | 2018-11-23 | 中国石油集团渤海石油装备制造有限公司 | A kind of buried two-compartment oil tank and preparation method thereof |
| DE102020007617A1 (en) | 2020-01-23 | 2021-07-29 | Linde Gmbh | Container for a cryogenic liquid gas |
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