CN208365193U - A kind of LNG storage tank - Google Patents
A kind of LNG storage tank Download PDFInfo
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- CN208365193U CN208365193U CN201821072443.1U CN201821072443U CN208365193U CN 208365193 U CN208365193 U CN 208365193U CN 201821072443 U CN201821072443 U CN 201821072443U CN 208365193 U CN208365193 U CN 208365193U
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Abstract
The utility model discloses a kind of LNG storage tank, including storage tank ontology, storage tank pedestal, storage tank open communication pipe, pressurizing device, refrigerating plant and LNG priming device, the storage tank ontology is fixed on the storage tank pedestal, the storage tank open communication seal of tube is connected to the top of the storage tank ontology, the pressurizing device and LNG priming device are connected to the inside of the storage tank ontology by the storage tank open communication pipe, the refrigerating plant is connected to the storage tank ontology to control the intrinsic temperature of the storage tank, the storage tank ontology includes outer tank body, inner tank body and refrigerating layer, wherein, vacuum layer is additionally provided between the outer tank body and the inner tank body, the inner tank body is arranged in the outer tank body, the refrigerating layer is fixed on the inner wall of the inner tank body, the refrigerating plant is connected to the refrigerating layer.LNG storage tank heat insulation effect described in the utility model is good, reduces the gasification of liquefied natural gas.
Description
Technical field
The utility model belongs to pressure vessel and equipment facility technology field, and in particular to a kind of LNG storage tank.
Background technique
LNG storage tank is the professional special equipment for storing liquefied natural gas, and the natural gas into LNG storage tank is cooled to 162
DEG C when, natural gas is liquefied, and after natural gas is liquefied, has saved the storage and transportation space of natural gas.Therefore, LNG storage tank is natural gas
Extremely important equipment in storage and transport process.
For example, application No. is 201520742483.2 patent application documents to disclose one kind for Chinese utility model patent
LNG storage tank system, including pipeline of unloading, LNG storage tank, LNG storage tank are built-in with pony pump and circulation pipe, LNG storage tank be equipped with
The upper and lower inlet of pipeline of unloading connection, is additionally provided with BOG diffusion mouth, be equipped in the LNG storage tank top pressure sensor, on
Density inductor and lower density inductor, top are connected to BOG surge tank by the desorption tube being connected on BOG diffusion mouth
On, BOG surge tank is connected with booster, bifurcates behind booster, and a branch is connected with BOG storage tank, another branch connection
To urban pipe network, utility model has the advantages that by the way that LNG storage can be detected equipped with upper density inductor, lower density inductor
The LNG density contrast of different height in tank, when difference is more than setting value, small-sized pump startup, bottom LNG is entered upper by circulation pipe
Feed liquor branch, then enter at the top of LNG storage tank, it thus avoids in addition opening up nozzle fixed cycles pipe in LNG storage tank；Equipped with increasing
Pressure pipeline can be pressurized when unloading to LNG tank car.
LNG storage tank system in the prior art, has the following technical problems in actual application process:
The tank body heat insulation effect of LNG storage tank is poor, and a large amount of liquefied natural gas is caused to be gasified, and affects the storage of LNG storage tank
Amount.
Utility model content
The utility model provides a kind of LNG storage tank, and the LNG storage tank heat insulation effect is good, and it is natural to be effectively reduced liquefaction
The gasification of gas.
A kind of LNG storage tank, including storage tank ontology, storage tank pedestal, storage tank open communication pipe, pressurizing device, refrigerating plant and
LNG priming device, the storage tank ontology are fixed on the storage tank pedestal, and the storage tank open communication seal of tube is connected to
The top of the storage tank ontology, the pressurizing device and LNG priming device are connected to described by the storage tank open communication pipe
The inside of storage tank ontology, the refrigerating plant are connected to the storage tank ontology to control the intrinsic temperature of the storage tank, described
Storage tank ontology includes outer tank body, inner tank body and refrigerating layer, wherein is additionally provided with vacuum between the outer tank body and the inner tank body
Layer, the inner tank body are arranged in the outer tank body, and the refrigerating layer is fixed on the inner wall of the inner tank body, the system
Device for cooling is connected to the refrigerating layer, wherein the pressurizing device and the refrigerating plant are arranged in the storage tank pedestal.
Further, the storage tank open communication pipe includes socket, the first solenoid valve and socket capping, the bottom of the socket
Portion, which seals, is connected to the storage tank ontology, the top that the socket is arranged in that the socket capping can dismantle, and described first
The middle part of the socket is arranged in solenoid valve.
Further, the vacuum layer is also communicated with vacuum pump, and the vacuum pump is arranged in the storage tank pedestal.
Further, the storage tank ontology further includes insulation material layer, and the insulation material layer is fitted in the inner tank body
Inner wall on, wherein the refrigerating layer is fitted on the inner wall of the insulation material layer.
Further, the storage tank ontology is also communicated with liquidometer, wherein the liquidometer is connected by storage tank opening
Siphunculus is connected to the storage tank ontology.
Further, the pressurizing device further includes forcing pipe and second solenoid valve, and one end of the forcing pipe is connected to
The pressurizing device, the other end of the forcing pipe are connected to the inside of the storage tank ontology by storage tank open communication pipe,
In, the second solenoid valve is arranged on the forcing pipe.
Further, the LNG priming device further includes liquid injection pipe and third solenoid valve, one end connection of the liquid injection pipe
The storage tank ontology is connected to by the storage tank open communication pipe in the other end of the LNG priming device, the liquid injection pipe
Inside, wherein the third solenoid valve is arranged on the liquid injection pipe.
Further, the seal washer that the top of the socket is additionally provided with seal groove and is arranged in seal groove, it is described
Seal washer is connected to the socket capping.
Further, BOG recyclable device is additionally provided on the liquid injection pipe, the BOG recyclable device passes through BOG recovery tube
It is connected to the liquid injection pipe, wherein be additionally provided with the 4th solenoid valve on the BOG recovery tube.
Compared with prior art, the superior effect of the utility model is:
1, LNG storage tank described in the utility model, by be equipped with outer tank body, inner tank body, vacuum layer, refrigerating plant and
Refrigerating layer, make the LNG storage tank is effectively reduced gasification of the liquefied natural gas in storage and transport process；
2, LNG storage tank described in the utility model enables the LNG storage tank that will gasify by the way that BOG recyclable device is arranged
Natural gas recycling.
Detailed description of the invention
Fig. 1 is the schematic diagram of LNG storage tank described in the utility model；
Fig. 2 is the schematic diagram of storage tank open communication pipe described in the utility model.
Appended drawing reference is as follows:
1- storage tank ontology, 11- outer tank body, 12- inner tank body, 13- refrigerating layer, 14- vacuum layer, 15- insulation material layer, 2- storage
Tank pedestal, 3- storage tank open communication pipe, 31- socket, 311- seal groove, 312- seal washer, the first solenoid valve of 32-, 33- socket
Capping, 4- pressurizing device, 41- forcing pipe, 42- second solenoid valve, 5- refrigerating plant, 6-LNG priming device, 61- liquid injection pipe,
62- third solenoid valve, 7- vacuum pump, 8- liquidometer, 9-BOG recyclable device, 91-BOG recovery tube, the 4th solenoid valve of 92-.
Specific embodiment
Specific embodiment of the present invention is described in further detail below.
As shown in attached drawing 1-2, a kind of LNG storage tank, including storage tank ontology 1, storage tank pedestal 2, storage tank open communication pipe 3, plus
Pressure device 4, refrigerating plant 5 and LNG priming device 6, the storage tank ontology 1 are fixed on the storage tank pedestal 2, the storage
Tank open communication pipe 3 seals the top for being connected to the storage tank ontology 1, and the pressurizing device 4 and LNG priming device 6 pass through institute
State the inside that storage tank open communication pipe 3 is connected to the storage tank ontology 1, the refrigerating plant 5 be connected to the storage tank ontology 1 with
The temperature in the storage tank ontology 1 is controlled, the storage tank ontology 1 includes outer tank body 11, inner tank body 12 and refrigerating layer 13, wherein
Vacuum layer 14 is additionally provided between the outer tank body 11 and the inner tank body 12, the inner tank body 12 is arranged in the outer tank body 11
Interior, the refrigerating layer 13 is fixed on the inner wall of the inner tank body 12, and the refrigerating plant 5 is connected to the refrigerating layer
13, wherein the pressurizing device 4 and the refrigerating plant 5 are arranged in the storage tank pedestal 2.
Wherein, the storage tank pedestal 2 is steel construction pedestal, and the steel construction is interior, and there are the pressurizing device 4 and the systems
The placement space of device for cooling 5.
In the present embodiment, the outer tank body 11 uses reinforced concrete structure, wherein on the inner wall of the outer tank body 11
Coated with seal coating in favor of forming vacuum layer 14 with the inner tank body 12, the inner tank body 12 uses 06Ni9DR material.
The storage tank open communication pipe 3 includes socket 31, the first solenoid valve 32 and socket capping 33, the bottom of the socket 31
Portion's sealing is connected to the storage tank ontology 1, and the top that the socket 31 is arranged in that the socket capping 33 can dismantle is described
The middle part of the socket 31 is arranged in first solenoid valve 32, and in the present embodiment, the barrel of socket 31 is equipped with reinforcing bar from outside to inside
The outer drum layer of concrete structure and the inner drum layer of 06Ni9DR material, the outer drum layer link into an integrated entity with outer tank body 11, described interior
Cylinder layer links into an integrated entity with inner tank body 12, and the top of the socket capping 33 and the socket 31 is also connected with fastening bolt, institute
After storage tank open communication pipe 3 is stated as LNG storage tank emptying, what is overhaul to LNG storage tank enters channel.
The vacuum layer 14 is also communicated with vacuum pump 7, and the vacuum pump 7 is arranged in the storage tank pedestal 2.
Wherein, it is additionally provided with solenoid valve between the vacuum layer 14 and the vacuum pump 7, in the present embodiment, can adopted
With the vacuum degree of vacuum transducer acquisition vacuum layer 14, control device is carried out pair by the vacuum degree data that vacuum transducer is sent
The control of vacuum pump 7 and solenoid valve, control device can use single-chip microcontroller or PLC.
The storage tank ontology 1 further includes insulation material layer 15, and the insulation material layer 15 is fitted in the inner tank body 12
On inner wall, wherein the refrigerating layer 13 is fitted on the inner wall of the insulation material layer 15.
Wherein, the material of the insulation material layer 15 is vacuum insulation panel or nano heat-insulating plate.
The storage tank ontology 1 is also communicated with liquidometer 8, wherein the liquidometer 8 passes through the storage tank open communication pipe 3
It is connected to the storage tank ontology 1.
The pressurizing device 4 further includes forcing pipe 41 and second solenoid valve 42, and one end of the forcing pipe 41 is connected to institute
Pressurizing device 4 is stated, the other end of the forcing pipe 41 is connected to the inside of the storage tank ontology 1 by storage tank open communication pipe 3,
Wherein, the second solenoid valve 42 is arranged on the forcing pipe 41, in the present embodiment, can be acquired using pressure sensor
The pressure data of storage tank ontology 1, control device carry out the control to second solenoid valve 42 and pressurizing device 4 according to above-mentioned pressure data
System.
The LNG priming device 6 further includes liquid injection pipe 61 and third solenoid valve 62, and one end of the liquid injection pipe 61 is connected to
The other end of the LNG priming device 6, the liquid injection pipe 61 is connected to the storage tank sheet by the storage tank open communication pipe 3
The inside of body 1, wherein the third solenoid valve 62 is arranged on the liquid injection pipe 61, in the present embodiment, control device according to
The data of liquidometer 8 show the fluid injection for carrying out the control to third solenoid valve 62 to carry out LNG.
The seal washer 312 that the top of the socket 31 is additionally provided with seal groove 311 and is arranged in seal groove 311, institute
It states seal washer 312 and is connected to the socket capping 33, in the present embodiment, the material of the seal washer 312 is polytetrafluoro
Ethylene.
BOG recyclable device 9 is additionally provided on the liquid injection pipe 61, the BOG recyclable device 9 is connected by BOG recovery tube 91
Pass through the liquid injection pipe 61, wherein it is additionally provided with the 4th solenoid valve 92 on the BOG recovery tube 91, it is in the present embodiment, described
4th solenoid valve 92 is storage tank safety relief valve, can rise releasing pressure automatically according to the pressure of LNG storage tank LNG storage tank is discharged
Interior BOG.
Wherein, BOG is the liquefied natural gas to gasify, closes the third solenoid valve 62, opens the 4th solenoid valve
92 to recycle the natural gas to gasify.
The utility model is not limited to the above embodiment, without departing substantially from the substantive content of the utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within the protection scope of the utility model.
Claims (9)
1. a kind of LNG storage tank, including storage tank ontology, storage tank pedestal, storage tank open communication pipe, pressurizing device, refrigerating plant and LNG
Priming device, the storage tank ontology are fixed on the storage tank pedestal, and the storage tank open communication seal of tube is connected to institute
It states the top of storage tank ontology, the pressurizing device and LNG priming device and the storage is connected to by the storage tank open communication pipe
The inside of tank ontology, the refrigerating plant are connected to the storage tank ontology to control the intrinsic temperature of the storage tank, feature
It is, the storage tank ontology includes outer tank body, inner tank body and refrigerating layer, wherein between the outer tank body and the inner tank body also
It is provided with vacuum layer, the inner tank body is arranged in the outer tank body, and the refrigerating layer is fixed at the interior of the inner tank body
On wall, the refrigerating plant is connected to the refrigerating layer, wherein the pressurizing device and the refrigerating plant are arranged in the storage
In tank pedestal.
2. LNG storage tank according to claim 1, which is characterized in that the storage tank open communication pipe includes socket, the first electricity
Magnet valve and socket capping, the sealed bottom of the socket are connected to the storage tank ontology, and what the socket capping can dismantle sets
It sets at the top of the socket, the middle part of the socket is arranged in first solenoid valve.
3. LNG storage tank according to claim 1, which is characterized in that the vacuum layer is also communicated with vacuum pump, the vacuum
Pump is arranged in the storage tank pedestal.
4. LNG storage tank according to claim 1, which is characterized in that the storage tank ontology further includes insulation material layer, described
Insulation material layer is fitted on the inner wall of the inner tank body, wherein the refrigerating layer is fitted in the inner wall of the insulation material layer
On.
5. LNG storage tank according to claim 1, which is characterized in that the storage tank ontology is also communicated with liquidometer, wherein
The liquidometer is connected to the storage tank ontology by the storage tank open communication pipe.
6. LNG storage tank according to claim 1, which is characterized in that the pressurizing device further includes forcing pipe and the second electricity
Magnet valve, one end of the forcing pipe are connected to the pressurizing device, and the other end of the forcing pipe passes through storage tank open communication pipe
It is connected to the inside of the storage tank ontology, wherein the second solenoid valve is arranged on the forcing pipe.
7. LNG storage tank according to claim 1, which is characterized in that the LNG priming device further includes liquid injection pipe and third
Solenoid valve, one end of the liquid injection pipe are connected to the LNG priming device, and the other end of the liquid injection pipe is opened by the storage tank
Mouth is connected to the inside of the storage tank ontology communicating pipe, wherein the third solenoid valve is arranged on the liquid injection pipe.
8. LNG storage tank according to claim 2, which is characterized in that the top of the socket is additionally provided with seal groove and sets
The seal washer in seal groove is set, the seal washer is connected to the socket capping.
9. LNG storage tank according to claim 7, which is characterized in that BOG recyclable device is additionally provided on the liquid injection pipe,
The BOG recyclable device is connected to the liquid injection pipe by BOG recovery tube, wherein is additionally provided with the 4th on the BOG recovery tube
Solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072443.1U CN208365193U (en) | 2018-07-08 | 2018-07-08 | A kind of LNG storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072443.1U CN208365193U (en) | 2018-07-08 | 2018-07-08 | A kind of LNG storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208365193U true CN208365193U (en) | 2019-01-11 |
Family
ID=64924748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821072443.1U Active CN208365193U (en) | 2018-07-08 | 2018-07-08 | A kind of LNG storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208365193U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207000A (en) * | 2019-06-28 | 2019-09-06 | 浙江振申绝热科技股份有限公司 | A kind of residual oil in tank of low-temperature storage tank |
| CN111689069A (en) * | 2020-06-16 | 2020-09-22 | 大连三木气体有限公司 | Storage and transportation system for dry ice |
| CN115164087A (en) * | 2022-07-13 | 2022-10-11 | 荆门宏图特种飞行器制造有限公司 | Storage tank and transport vechicle |
-
2018
- 2018-07-08 CN CN201821072443.1U patent/CN208365193U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207000A (en) * | 2019-06-28 | 2019-09-06 | 浙江振申绝热科技股份有限公司 | A kind of residual oil in tank of low-temperature storage tank |
| CN110207000B (en) * | 2019-06-28 | 2024-03-26 | 浙江振申绝热科技股份有限公司 | Tank deck structure of low-temperature storage tank |
| CN111689069A (en) * | 2020-06-16 | 2020-09-22 | 大连三木气体有限公司 | Storage and transportation system for dry ice |
| CN115164087A (en) * | 2022-07-13 | 2022-10-11 | 荆门宏图特种飞行器制造有限公司 | Storage tank and transport vechicle |
| CN115164087B (en) * | 2022-07-13 | 2024-06-04 | 荆门宏图特种飞行器制造有限公司 | Storage tank and transport vehicle |
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