CN209196539U - A kind of receiving station's LNG storage facilities - Google Patents
A kind of receiving station's LNG storage facilities Download PDFInfo
- Publication number
- CN209196539U CN209196539U CN201821663837.4U CN201821663837U CN209196539U CN 209196539 U CN209196539 U CN 209196539U CN 201821663837 U CN201821663837 U CN 201821663837U CN 209196539 U CN209196539 U CN 209196539U
- Authority
- CN
- China
- Prior art keywords
- lng
- lng storage
- condenser
- storage tank
- bog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of receiving station LNG storage facilities, including LNG storage tank, BOG after-condenser, temperature sensor and liquid level sensor, the LNG storage tank side is provided with the BOG after-condenser, LNG inlet pipe is provided on the side wall of the LNG storage tank, LNG inlet pipe side is provided with inlet pipe control valve, inlet pipe control valve side is provided with cool-heat-exchanger, and the cool-heat-exchanger side is provided with strainer valve.Beneficial effect is: the utility model LNG storage facilities is provided with BOG after-condenser in LNG storage tank side, the BOG that effectively top LNG can be gasified carries out condensation process again, improve the safety of LNG storage, reduce technique power consumption, install cool-heat-exchanger additional at LNG inlet pipe, it may insure, increase safety coefficient relatively stable into the LNG of LNG storage tank.
Description
Technical field
The utility model relates to LNG conveying equipment technical fields, and in particular to a kind of receiving station's LNG storage facilities.
Background technique
In recent years, China's natural gas industry development was rapid, and the demand to liquefied natural gas increasingly increases, build with it is built
It is also increasing at the LNG receiving station of operation, accelerate development imported L NG be in recent years domestic Optimization of Energy Structure, improve environment
With the effective measure for improving efficiency.The function of LNG receiving station is that the LNG on LNG cargo ship unloads into receiving station's storage tank, so
Outer defeated by being pressurized and regasifying progress afterwards, so, the requirement to LNG storage tank is also higher and higher, is mainly in view of section
The factors such as energy, safety, LNG can generate boil-off gas, i.e. BOG in holding vessel inner top, and the presence of BOG can make pressure of storage tank generate change
To change, is at unstable state, there are biggish security risks for this state, and traditional is to use the method directly exported,
BOG in storage tank is forced into required pressure by BOG compressor, is fed directly to outer defeated pipe network, process energy consumption is high, Er Qie
LNG enters the variation after LNG storage tank due to pressure and temp, will lead to LNG and quickly gasifies as BOG, safety coefficient is lower.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of receiving station's LNG storage facilities solves tradition LNG storage and sets
The problem that standby process energy consumption is high, safety coefficient is low.
(2) technical solution
The utility model is achieved through the following technical solutions: being stored and is set with LNG the utility model proposes a kind of receiving station
It is standby, including LNG storage tank, BOG after-condenser, temperature sensor and liquid level sensor, the LNG storage tank side be provided with
The BOG after-condenser is provided with LNG inlet pipe on the side wall of the LNG storage tank, and LNG inlet pipe side is provided with inlet pipe
Control valve, inlet pipe control valve side are provided with cool-heat-exchanger, and the cool-heat-exchanger side is provided with strainer valve, described
It is provided with condenser between the upper center of LNG storage tank and the BOG after-condenser side wall and enters pipe, the condenser enters pipe and leans on
Nearly described LNG storage tank one end is provided with into pipe control valve, and the LNG storage tank upper side is provided with safety valve, the peace
It is provided with pressure gauge in full valve, is provided with the liquid level sensor on the LNG storage tank inner sidewall, in the LNG storage tank
Upper side is provided with the temperature sensor, and the temperature sensor side is provided with pressure sensor, the LNG storage tank
Lower section is provided with LNG outlet pipe, and outlet pipe control valve, the BOG after-condenser and the LNG inlet pipe are provided in the LNG outlet pipe
Between be provided with condenser reflux pipe, the condenser reflux pipe is provided with high-pressure pump close to BOG after-condenser side, institute
It states condenser reflux pipe and LNG inlet pipe side is provided with reflux tube valve, set in the BOG after-condenser one side wall
It is equipped with controller.
Further, between the LNG inlet pipe and the LNG storage tank by flanged joint, the inlet pipe control valve with
The LNG inlet pipe is connected through a screw thread.
Further, between the cool-heat-exchanger and the LNG inlet pipe by flanged joint, the strainer valve with it is described
LNG inlet pipe is connected through a screw thread, the model B3-63A-20 of the cool-heat-exchanger.
Further, pass through flanged joint, the pressure gauge and the peace between the safety valve and the LNG storage tank
It is connected through a screw thread between full valve.
Further, between the controller, the pressure sensor and the liquid level sensor and the LNG storage tank
It is connected by screw to, the model HM29 of the pressure sensor, the model MAT of the temperature sensor, the liquid level passes
The model SY-PG1300 of sensor.
Further, the condenser, which enters, passes through flange between pipe and the LNG storage tank and the BOG after-condenser
Connection, the model UCF of the BOG after-condenser.
Further, the temperature sensor, the pressure sensor and the liquid level sensor and controller electricity
Connection, the cool-heat-exchanger, the BOG after-condenser are electrically connected with the controller, the model of the controller
KY12S。
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
It 1, is to use the BOG in storage tank being forced into required pressure by BOG compressor to solve traditional LNG storage tank
Power, is fed directly to outer defeated pipe network, the high problem of process energy consumption, and the utility model LNG storage facilities is set in LNG storage tank side
It is equipped with BOG after-condenser, the BOG that effectively top LNG can be gasified carries out condensation process again, improves the safety of LNG storage
Property；
2, it to solve traditional LNG storage tank after LNG enters LNG storage tank due to the variation of pressure and temp, will lead to
LNG quickly gasifies as BOG, the lower problem of safety coefficient, the utility model LNG storage facilities LNG storage tank LNG into
Install cool-heat-exchanger at pipe additional, it can be ensured that the LNG into LNG storage tank is relatively stable, reduces system power dissipation, increases
Safety period.
Detailed description of the invention
Fig. 1 is a kind of main view of receiving station LNG storage facilities described in the utility model；
Fig. 2 is a kind of top view of receiving station LNG storage facilities described in the utility model；
Fig. 3 is a kind of circuit block diagram of receiving station LNG storage facilities described in the utility model.
The reference numerals are as follows:
1, LNG storage tank；2, BOG after-condenser；3, LNG inlet pipe；4, inlet pipe control valve；5, cool-heat-exchanger；6, it filters
Valve；7, pressure gauge；8, safety valve；9, temperature sensor；10, pressure sensor；11, liquid level sensor；12, condenser enters pipe；
13, enter pipe control valve；14, LNG outlet pipe；15, outlet pipe control valve；16, condenser reflux pipe；17, high-pressure pump；18, reflux control
Valve processed；19, controller.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1-Figure 3, a kind of receiving station LNG storage facilities, including LNG storage tank 1, BOG after-condenser 2, temperature
Degree sensor 9 and liquid level sensor 11,1 side of LNG storage tank are provided with BOG after-condenser 2, set on the side wall of LNG storage tank 1
It is equipped with LNG inlet pipe 3,3 side of LNG inlet pipe is provided with inlet pipe control valve 4, and 4 side of inlet pipe control valve is provided with cool-heat-exchanger 5,
Cool-heat-exchanger 5 can first cool down the LNG entered inside LNG holding vessel 1, improve safety coefficient, cool-heat-exchanger 5
Side is provided with strainer valve 6, is provided with condenser between 2 side wall of upper center and BOG after-condenser of LNG storage tank 1 and enters pipe
12, condenser enters pipe 12 and is provided with close to 1 one end of LNG storage tank into pipe control valve 13, is provided at the upper side of LNG storage tank 1
Safety valve 8, safety valve 8 can carry out decompression protection work when 1 internal pressure of LNG storage tank is exceeded, be provided on safety valve 8
Pressure gauge 7 is provided with liquid level sensor 11 on 1 inner sidewall of LNG storage tank, and liquid level sensor 11 can detecte in LNG storage tank 1
The storage capacity of portion LNG, the interior upper side of LNG storage tank 1 are provided with temperature sensor 9, and temperature sensor 9 can detecte LNG storage
The temperature variations inside tank 1 are deposited, 9 side of temperature sensor is provided with pressure sensor 10, and pressure sensor 10 can be examined
The pressure changing inside LNG storage tank 1 is surveyed, LNG outlet pipe 14 is provided with below LNG storage tank 1, is arranged in LNG outlet pipe 14
There is outlet pipe control valve 15, condenser reflux pipe 16, condenser reflux pipe 16 are provided between BOG after-condenser 2 and LNG inlet pipe 3
2 side of BOG after-condenser is provided with high-pressure pump 17, condenser reflux pipe 16 is provided with return pipe close to 3 side of LNG inlet pipe
Control valve 18, the BOG at the top of LNG storage tank 1, which can enter pipe 12 by condenser and enter inside BOG after-condenser 2, to liquefy
Afterwards, it is stored in inside LNG storage tank 1 again into high-pressure pump 17 excessively, improves and be arranged in 2 one side wall of safety coefficient BOG after-condenser
There is controller 19.
Wherein, by flanged joint between LNG inlet pipe 3 and LNG storage tank 1, inlet pipe control valve 4 and LNG inlet pipe 3 passes through
It is threadedly coupled, is connected by flanged joint, strainer valve 6 and LNG inlet pipe 3 by screw thread between cool-heat-exchanger 5 and LNG inlet pipe 3
It connects, the model B3-63A-20 of cool-heat-exchanger 5, passes through flanged joint, pressure gauge 7 between safety valve 8 and LNG storage tank 1
It is connected through a screw thread between safety valve 8, between controller 19, pressure sensor 10 and liquid level sensor 11 and LNG storage tank 1
It is connected by screw to, the model HM29 of pressure sensor 10, the model MAT of temperature sensor 9, the type of liquid level sensor 11
It number is SY-PG1300, condenser enters between pipe 12 and LNG storage tank 1 and BOG after-condenser 2 by flanged joint, and BOG is again
The model UCF of condenser 2, temperature sensor 9, pressure sensor 10 and liquid level sensor 11 are electrically connected with controller 19, cold
Heat exchanger 5, BOG after-condenser 2 are electrically connected with controller 19, the model KY12S of controller 19.
The working principle for a kind of receiving station LNG storage facilities that the utility model is mentioned: first by external power supply and control
Device 19 connects, then the LNG container containing for needing to store and LNG inlet pipe 3 are opened this storage by controller 19 by flanged joint
Depositing equipment makes its operation, and LNG, which is entered after LNG inlet pipe 3 inside cool-heat-exchanger 5, to cool down, and convenient for storage, then passes through
1 internal reservoir of LNG storage tank is entered after crossing the filtering of strainer valve 6, temperature sensor 9 can detecte in LNG storage tank 1
The temperature variations in portion, pressure sensor 10 can detecte the pressure changing inside LNG storage tank 1, liquid level sensor
11 can detecte the storage capacity of 1 inside LNG of LNG storage tank, after to be transmitted, control BOG after-condenser by controller 19
2 startings, BOG at the top of LNG can enter after pipe 12 enters inside BOG after-condenser 2 and liquefied by condenser, into excessively high
Press pump 17 is stored in again inside LNG storage tank 1, improves safety coefficient, completes the storage process to LNG.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, it is all described in the claims.
Claims (7)
1. a kind of receiving station LNG storage facilities, it is characterised in that: including LNG storage tank (1), BOG after-condenser (2), temperature
Sensor (9) and liquid level sensor (11), LNG storage tank (1) side is provided with the BOG after-condenser (2), described
It is provided on the side wall of LNG storage tank (1) LNG inlet pipe (3), LNG inlet pipe (3) side is provided with inlet pipe control valve (4), institute
Inlet pipe control valve (4) side to be stated to be provided with cool-heat-exchanger (5), cool-heat-exchanger (5) side is provided with strainer valve (6),
Condenser, which is provided with, between the upper center and the BOG after-condenser (2) side wall of the LNG storage tank (1) enters pipe (12), institute
It states condenser and enters pipe (12) and be provided with into pipe control valve (13), the LNG storage tank (1) close to the LNG storage tank (1) one end
Upper side is provided with safety valve (8), is provided with pressure gauge (7) on the safety valve (8), LNG storage tank (1) inner sidewall
On be provided with the liquid level sensor (11), upper side is provided with the temperature sensor (9) in the LNG storage tank (1),
Temperature sensor (9) side is provided with pressure sensor (10), is provided with LNG outlet pipe below the LNG storage tank (1)
(14), it is provided with outlet pipe control valve (15) on the LNG outlet pipe (14), the BOG after-condenser (2) and the LNG inlet pipe (3)
Between be provided with condenser reflux pipe (16), the condenser reflux pipe (16) close to BOG after-condenser (2) side be arranged
Have high-pressure pump (17), the condenser reflux pipe (16) is provided with reflux tube valve close to LNG inlet pipe (3) side
(18), controller (19) are provided in BOG after-condenser (2) one side wall.
2. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the LNG inlet pipe (3) with
Connected by flanged joint, the inlet pipe control valve (4) and the LNG inlet pipe (3) by screw thread between the LNG storage tank (1)
It connects.
3. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the cool-heat-exchanger (5)
By flanged joint between the LNG inlet pipe (3), the strainer valve (6) is connected through a screw thread with the LNG inlet pipe (3), institute
State the model B3-63A-20 of cool-heat-exchanger (5).
4. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the safety valve (8) and institute
It states between LNG storage tank (1) through flanged joint, is connected through a screw thread between the pressure gauge (7) and the safety valve (8).
5. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the controller (19), institute
It states and is connected by screw between pressure sensor (10) and the liquid level sensor (11) and the LNG storage tank (1), the pressure
The model HM29 of force snesor (10), the model MAT of the temperature sensor (9), the type of the liquid level sensor (11)
Number be SY-PG1300.
6. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the condenser enters pipe
(12) pass through flanged joint, the BOG after-condenser between the LNG storage tank (1) and the BOG after-condenser (2)
(2) model UCF.
7. a kind of receiving station LNG storage facilities according to claim 1, it is characterised in that: the temperature sensor
(9), the pressure sensor (10) and the liquid level sensor (11) are electrically connected with the controller (19), the cold and hot exchange
Device (5), the BOG after-condenser (2) are electrically connected with the controller (19), the model KY12S of the controller (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663837.4U CN209196539U (en) | 2018-10-15 | 2018-10-15 | A kind of receiving station's LNG storage facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663837.4U CN209196539U (en) | 2018-10-15 | 2018-10-15 | A kind of receiving station's LNG storage facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196539U true CN209196539U (en) | 2019-08-02 |
Family
ID=67407891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821663837.4U Expired - Fee Related CN209196539U (en) | 2018-10-15 | 2018-10-15 | A kind of receiving station's LNG storage facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212644A (en) * | 2021-06-29 | 2021-08-06 | 广船国际有限公司 | LNG storage tank and boats and ships |
-
2018
- 2018-10-15 CN CN201821663837.4U patent/CN209196539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212644A (en) * | 2021-06-29 | 2021-08-06 | 广船国际有限公司 | LNG storage tank and boats and ships |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104006295B (en) | A kind of equipment of the displaced type pressure carrying method of liquefied gas at low temp | |
| CN104964161B (en) | BOG (boil off gas) recovery processing method and system for LNG (liquid natural gas) receiving terminal | |
| CN103398011B (en) | Waste heat | |
| WO2014121579A1 (en) | Efficient and energy-saving vertical low-temperature storage tank | |
| CN109681776A (en) | A kind of BOG is re-liquefied to regasify integrated system and working method with LNG | |
| CN209196539U (en) | A kind of receiving station's LNG storage facilities | |
| CN105627096A (en) | LNG storage tank | |
| CN104806879A (en) | BOG recovery system for LNG (Liquefied Natural Gas) gas station | |
| CN208058421U (en) | Hydrogen compresses and liquefies the varying duty system of coupling | |
| CN205640871U (en) | Boiler steam heat recovery utilizes system | |
| CN106287219A (en) | A kind of natural gas liquefaction plant BOG recycling system | |
| CN204829271U (en) | LNG receiving terminal BOG recycling processed system | |
| CN206019152U (en) | Reclaiming argon cold carries out oxygen liquefying plant | |
| CN206093510U (en) | BOG recycle system of natural gas liquefaction mill | |
| CN205784226U (en) | Cryogenic liquefying system | |
| CN203248995U (en) | LNG receiving station low energy consumption evaporation zero release processing system | |
| CN106338003B (en) | A kind of increasing decompression implementation method of Horizontal low-temperature heat-insulating gas cylinder | |
| CN207112353U (en) | Storage tank charging device is pressed in one kind | |
| CN104329561B (en) | A kind of system of liquid nitrogen LNG Liquefied natural gas and method thereof | |
| CN203979877U (en) | A kind of LNG receiving station reclaims cold for the treatment of the device of BOG | |
| CN106082218A (en) | Prepare the device of dry ice | |
| CN203948938U (en) | A kind of built-in sleeve pipe water bath type vaporizer | |
| CN207471915U (en) | A kind of BOG compression sets | |
| CN207439003U (en) | A kind of cryogenic cold energy retracting device and air supply system | |
| CN205938507U (en) | Retrieve BOG's liquefied natural gas tank wagon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 201, unit 1, building 22, transportation South District, Renqiu City, Cangzhou City, Hebei Province 061000 Patentee after: Zhou Xu Address before: 062550 Room 201, Building 22, Transport South District, Renqiu City, Xingtai City, Hebei Province Patentee before: Zhou Xu |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |