CN207975463U - A kind of water recycling LNG tank - Google Patents
A kind of water recycling LNG tank Download PDFInfo
- Publication number
- CN207975463U CN207975463U CN201820117348.2U CN201820117348U CN207975463U CN 207975463 U CN207975463 U CN 207975463U CN 201820117348 U CN201820117348 U CN 201820117348U CN 207975463 U CN207975463 U CN 207975463U
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- China
- Prior art keywords
- fin
- star
- storage tank
- tube
- diversion plate
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Abstract
The utility model discloses a kind of water to recycle LNG tank, its key points of the technical solution are that：Including storage tank ontology and the outlet tube being connect with storage tank ontology, the inlet tube being connect with outlet tube, it is communicated with several central tubes on inlet tube, star-like fin is fixed on central tube, the block piece for blocking lower section inlet tube is fixed with below the star-like fin.The utility model has the advantages that can prevent the water melted on star-like fin from flowing on inlet tube.
Description
Technical field
The utility model is related to a kind of LNG tanks, and in particular to a kind of water recycling LNG tank.
Background technology
Liquefied natural gas (Liquefied Natural Gas abbreviation LNG) storage tank is that the profession of storage liquefied natural gas is set
Standby, as shown in Figure 1, liquefaction day hot tank includes mainly the storage tank ontology 1 for storing LNG, storage tank ontology 1 is fixed on pedestal 11
On.Storage tank ontology 1 is equipped with liquid outlet 2 close to the outer cylinder of pedestal 11, and outlet tube 21, outlet tube 21 are communicated on liquid outlet 2
On be provided with the first valve 211, for controlling the opening and closing of outlet tube 21.
1 both sides of storage tank ontology are provided with several and contour star-like fin 3 of storage tank ontology 1, and star type fin 3 is centrally disposed
There is central tube 35, the cooling fin 36 that eight leaf length spiral shells are shorter than central tube 35 is provided on 35 outer wall of central tube.LNG stream enters central tube
After 35, the contact area with air is increased by the LNG vaporization in central tube 35 by cooling fin 36, star-like fin 3 is around storage tank sheet
The vertical close-packed arrays setting of circumference of body 1.35 lower end of central tube is communicated with the inlet tube 31 of the setting of horizontal circle storage tank ontology 1.
3 lower end of star-like fin is fixedly connected with pedestal 11, and upper end is welded and fixed by fixed block 12 and 1 outer cylinder of storage tank ontology.Such as Fig. 2
Shown, outlet tube 21 is arranged around 1 lower circumference of storage tank ontology and is connected to inlet tube 31 in 31 centre position of inlet tube.In feed liquor
Pipe 31 is provided with the second valve 311 and third valve 312, the second valve on the inlet tube 31 at 21 communicating position both ends of outlet tube
311 and third valve 312 be used for control LNG enter certain side inlet tube 31.As shown in Figure 1, at 3 top export of star-like fin
It is communicated with cricoid escape pipe 32, is transmitted back to inside storage tank ontology 1 for the escape pipe 32 by the LNG of vaporization along top.
LNG is flowed out through liquid outlet 2 from storage tank ontology 1, and inlet tube 31 is flow to along outlet tube 21, is then flowed into from inlet tube 31
Central tube 35.LNG occurs heat exchange with air in star-like fin 3 and vaporizes, and the LNG after vaporization is transported upwards along star-like fin 3
It moves to escape pipe 32, is then transmitted back to inside storage tank ontology 1 through escape pipe 32.It is provided with and is turned under on 1 outer cylinder of storage tank ontology
Bent appendix 13 is provided with the 4th valve 131 on appendix 13, the 4th valve 131 is opened when the natural gas for needing to vaporize,
The vaporized natural in storage tank ontology 1 is set to be conveyed along the outflow of appendix 13.
When liquefied natural gas storage tank is vaporized operation, because the temperature of LNG is very low, when in star-like fin 3
When interior LNG absorbs the heat vaporization in air by star-like fin 3, it is necessary to absorb a large amount of heat, make star-like wing
3 surface temperature of piece reduces, and surface is easy frosting.
When needed at this stage to LNG vaporization, the main method for solving frosting on star-like fin 3 is only to open the second valve
311 or third valve 312 one of them, so that the star-like fin 3 of 1 side of storage tank ontology is worked, when in running order star-like
After 3 frosting of fin, this 3 corresponding valve of star-like fin is closed, while opening another valve to make 3 work of star-like fin of another side
Make, the star-like fin 3 of both sides is made to work alternatively.But the water after frost ablation can flow downwardly to inlet tube 31 along star-like fin 3, because
31 self-temperature of inlet tube is very low and 31 outer wall of inlet tube is caused to be easy to freeze.The pipeline of frost is very fragile, it is easy to occur broken
The case where splitting or leaking.
Utility model content
The purpose of this utility model is to provide a kind of water recycling LNG tank, its advantage is that star-like wing can be prevented
The water of on piece ablation is flow on inlet tube.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of water recycling liquefaction day
Right gas storage tank, including storage tank ontology and the outlet tube being connect with storage tank ontology, the inlet tube being connect with outlet tube connect on inlet tube
Several central tubes are connected with, star-like fin is fixed on central tube, is fixed with below the star-like fin and blocks lower section inlet tube
Block piece.
Through the above technical solutions, star-like fin can block being isolated by block piece with the inlet tube of lower section, avoid
Be dropped on inlet tube after frost ablation on star-like fin, regelation and lead to inlet tube there are freezing possibility.
The utility model is further arranged to：The block piece is Diversion Plate, and the central tube is arranged across Diversion Plate.
Through the above technical solutions, Diversion Plate one end is fixed on storage tank ontology, the other end is protruding to shelter from lower section
Inlet tube, can to avoid water drip on inlet tube.
The utility model is further arranged to：The direction that the Diversion Plate is directed away from storage tank ontology tilts.
Through the above technical solutions, Diversion Plate is inclined outwardly, the water that can be conveniently dropped on Diversion Plate flows away outward, keeps away
Exempt from that ponding is caused to freeze so as to cause Diversion Plate itself on Diversion Plate, increase the weight of Diversion Plate.
The utility model is further arranged to：The Diversion Plate both sides are fixed with vertical baffle.
The utility model is further arranged to：The Diversion Plate is hollow form, and Diversion Plate, which is internally provided with, to be heated
Heating wire.
Through the above technical solutions, in view of the LNG equipped with low temperature makes Diversion Plate in storage tank body bottom portion, central tube
Central tube temperature is too low.Central tube bottom end is arranged across Diversion Plate, and central tube can also decline with Diversion Plate by heat exchange temperature,
It freezes in diversion plate surface when flowing to the lower Diversion Plate of temperature by the water melted on star-like fin, certain thickness is arrived when freezing
When, influence the use of Diversion Plate, and it is possible to damage Diversion Plate because of freezing overweight.So the water on star-like fin disappears
When melting, the power supply of connection heating wire is connected, heating wire is made to heat Diversion Plate, prevents diversion plate surface from freezing.
The utility model is further arranged to：The heating wire is arranged in Diversion Plate inside spin.
The utility model is further arranged to：The block piece is the catch basin being fixed on storage tank ontology, and catch basin connects
There are outlet pipe, the central tube to be arranged across the catch basin.
Through the above technical solutions, catch basin can be accepted and store the water for melting drippage from star-like fin, and pass through
Outlet pipe outflow carries out recycling, can economize on resources.
The utility model is further arranged to：The bottom plate of the catch basin is tilted towards the direction of the outlet pipe.
In conclusion the utility model has the advantages that：
1, star-like fin can block being isolated by block piece with the inlet tube of lower section, and the frost on star-like fin is avoided to disappear
Be dropped on inlet tube after melting, regelation and lead to inlet tube there are freezing possibility；
2, heating wire can heat Diversion Plate, prevent diversion plate surface from freezing；
3, the water that drippage is melted from star-like fin can be accepted and be stored to catch basin, and be flowed out back by outlet pipe
It receives and recycles, can economize on resources.
Description of the drawings
Fig. 1 is existing liquefied natural gas storage tank structural schematic diagram；
Fig. 2 is the structural schematic diagram for embodying inlet tube and outlet tube connection type；
Fig. 3 is the structural schematic diagram of embodiment 1；
Fig. 4 is the structural schematic diagram that inlet tube and outlet tube connection type are embodied in embodiment 1；
Fig. 5 is the structural schematic diagram for embodying diversion harden structure；
Fig. 6 is the structural schematic diagram of embodiment 2；
Fig. 7 is the schematic diagram that catch basin and star-like fin position relationship are embodied in embodiment 2；
Fig. 8 is the internal structure schematic diagram of Diversion Plate in embodiment 3.
In figure, 1, storage tank ontology；11, pedestal；12, fixed block；13, appendix；131, the 4th valve；2, liquid outlet；21、
Outlet tube；211, the first valve；3, star-like fin；31, inlet tube；311, the second valve；312, third valve；32, escape pipe；
33, fixed plate；34, supporting block；341, back-shaped steel；35, central tube；36, cooling fin；4, Diversion Plate；41, baffle；42, electric heating
Silk；5, catch basin；51, outlet pipe；52, bottom plate.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of water recycling LNG tank, as shown in figure 3, liquefaction day hot tank includes mainly being used for storing up
The storage tank ontology 1 of LNG is deposited, storage tank ontology 1 is fixed on the pedestal 11.Storage tank ontology 1 is equipped with out close to the outer cylinder of pedestal 11
Liquid mouth 2 is communicated with outlet tube 21 on liquid outlet 2, the first valve 211 is provided on outlet tube 21, for controlling outlet tube 21
Opening and closing.
1 both sides of storage tank ontology are provided with several and contour star-like fin 3 of storage tank ontology 1, and star type fin 3 is centrally disposed
There is central tube 35, the cooling fin 36 that eight leaf length spiral shells are shorter than central tube 35 is provided on 35 outer wall of central tube.LNG stream enters central tube
After 35, the contact area with air is increased by the LNG vaporization in central tube 35 by cooling fin 36, star-like fin 3 is around storage tank sheet
The vertical close-packed arrays setting of circumference of body 1.3 bottom end of star-like fin is fixed with inlet tube 31.On the pedestal 11 of 3 lower section of star-like fin
Equipped with several rest pads 34, back-shaped steel 341 is fixed in supporting block 34, inlet tube 31 is blocked by back-shaped steel 341 and rest pad 34
It connects, for fixing 3 lower end of star-like fin, upper end is welded and fixed by fixed block 12 and 1 outer cylinder of storage tank ontology.As shown in figure 4,
Outlet tube 21 is arranged around 1 lower circumference of storage tank ontology and is connected to inlet tube 31 in 31 centre position of inlet tube.In inlet tube 31
It is provided with the second valve 311 and third valve 312, the second valve on the inlet tube 31 at the both ends of 21 communicating position of outlet tube
311 and third valve 312 be used for controlling the flow direction of LNG in inlet tube 31.As shown, being arranged at 3 top export of star-like fin
There is escape pipe 32, for the LNG of vaporization to be transmitted back to inside storage tank ontology 1.In order to ensure the stability of star-like fin 3, storage tank
It is welded with fixed plate 33 between the star-like fin 3 of 1 both sides of ontology.
LNG is flowed out through liquid outlet 2 from storage tank ontology 1, and inlet tube 31 is flow to along outlet tube 21, is then flowed into from inlet tube 31
Star-like fin 3.LNG occurs heat exchange with air in star-like fin 3 and vaporizes, and the LNG after vaporization is transported upwards along star-like fin 3
It moves to escape pipe 32, is then transmitted back to inside storage tank ontology 1 through escape pipe 32.It is provided with and is turned under on 1 outer cylinder of storage tank ontology
Bent appendix 13 is provided with the 4th valve 131 on appendix 13, the 4th valve 131 is opened when the natural gas for needing to vaporize,
The vaporized natural in storage tank ontology 1 is set to be conveyed along the outflow of appendix 13.
As shown in figure 5, being welded with Diversion Plate 4 on the outer cylinder of 1 both sides of storage tank ontology, the Diversion Plate 4 of both sides divides
Not Wei Yu both sides the lower section of star-like fin 3 and be located at 36 lower end of cooling fin and outlet tube 21 across central tube 35.Diversion Plate 4
It is wide with star-like fin 3.4 both sides of Diversion Plate are fixed with the baffle 41 being vertically arranged, and 41 top of baffle is higher than 3 bottom surface of star-like fin
50mm-100mm, 4 surface of Diversion Plate are obliquely installed, and the water convenient for will fall off to 4 bottom surface of Diversion Plate using gravity leads to water storage dress
It sets（It is not drawn into figure）.
Embodiment 2：A kind of water recycling LNG tank, difference from Example 1 is, as shown in fig. 6, storage tank
The lower section of the star-like fin in 1 both sides of ontology 3 is secure around the cyclic annular catch basin 5 on storage tank ontology 1, and 5 one jiaos of catch basin is provided with
The bottom plate 52 of outlet pipe 51, catch basin 5 is obliquely installed towards outlet pipe 51.As shown in fig. 7,5 top of catch basin is higher than star-like wing
The bottom plate 52 of 3 bottom surface 50mm-100mm of piece, catch basin 5 pass through central tube 35 to make star between outlet tube 21 and cooling fin 36
3 bottom end of type fin is located in the cavity of catch basin 5.
As shown in fig. 6, the water after frost melts on star-like fin 3 is fallen to along 3 surface of star-like fin in catch basin 5,
Water flow to outlet pipe 51 along bottom plate and is then flowed out from catch basin 5.Water receiving pipe etc. water can be drained to water recycling at outlet pipe 51
Place.
Embodiment 3：A kind of water recycling LNG tank, difference from Example 1 is, as shown in figure 8, diversion
4 hollow setting of plate, the heating wire 42 along the spiral setting of 4 length direction of Diversion Plate is provided in cavity, and heating wire 42 is in spiral shell
Rotation shape setting can increase heat release area.Heating wire 42 passes through the power supply that the connection of 4 side wall of Diversion Plate makes heating wire 42 heat.
In view of the LNG equipped with low temperature keeps central tube 35 warm in 1 bottom of storage tank ontology, central tube 35 at Diversion Plate 4
It spends low.35 bottom end of central tube is arranged across Diversion Plate 4, and central tube 35 can also decline with Diversion Plate 4 by heat exchange temperature, by
It freezes on 4 surface of Diversion Plate when the water melted on star-like fin 3 flow to temperature lower Diversion Plate 4, certain thickness is arrived when freezing
When, influence the use of Diversion Plate 4, and it is possible to damage Diversion Plate 4 because of freezing overweight.So when on star-like fin 3
When water melts, the power supply of connection heating wire 42 is connected, heating wire 42 is made to heat Diversion Plate 4, prevents 4 surface of Diversion Plate from tying
Ice.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of water recycles LNG tank, including storage tank ontology（1）With with storage tank ontology（1）The outlet tube of connection
（21）With outlet tube（21）The inlet tube of connection（31）, inlet tube（31）On be communicated with several central tubes（35）, central tube（35）
On be fixed with star-like fin（3）, it is characterized in that：In the star-like fin（3）Lower section, which is fixed with, blocks lower section inlet tube（31）'s
Block piece.
2. a kind of water according to claim 1 recycles LNG tank, it is characterized in that：The block piece is Diversion Plate
（4）, the central tube（35）Across Diversion Plate（4）Setting.
3. a kind of water according to claim 2 recycles LNG tank, it is characterized in that：The Diversion Plate（4）Direction
Far from storage tank ontology（1）Direction tilt.
4. a kind of water according to claim 2 recycles LNG tank, it is characterized in that：The Diversion Plate（4）Both sides
It is fixed with vertical baffle（41）.
5. a kind of water according to claim 2 recycles LNG tank, it is characterized in that：The Diversion Plate（4）For in
Empty shape, Diversion Plate（4）It is internally provided with the heating wire heated（42）.
6. a kind of water according to claim 5 recycles LNG tank, it is characterized in that：The heating wire（42）Drawing
Water plate（4）Inside spin is arranged.
7. a kind of water according to claim 1 recycles LNG tank, it is characterized in that：The block piece is to be fixed on
Storage tank ontology（1）On catch basin（5）, catch basin（5）It is connected to outlet pipe（51）, the central tube（35）Across the catch basin
（5）Setting.
8. a kind of water according to claim 7 recycles LNG tank, it is characterized in that：The catch basin（5）Bottom
Plate（52）Towards the outlet pipe（51）Direction tilt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117348.2U CN207975463U (en) | 2018-01-23 | 2018-01-23 | A kind of water recycling LNG tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117348.2U CN207975463U (en) | 2018-01-23 | 2018-01-23 | A kind of water recycling LNG tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975463U true CN207975463U (en) | 2018-10-16 |
Family
ID=63770075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820117348.2U Expired - Fee Related CN207975463U (en) | 2018-01-23 | 2018-01-23 | A kind of water recycling LNG tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105581A (en) * | 2018-01-23 | 2018-06-01 | 北京东方通捷燃气有限责任公司 | A kind of water recycles LNG tank |
-
2018
- 2018-01-23 CN CN201820117348.2U patent/CN207975463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105581A (en) * | 2018-01-23 | 2018-06-01 | 北京东方通捷燃气有限责任公司 | A kind of water recycles LNG tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20210123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |