CN206488546U - BOG recovery systems and movable and skid-mounted device - Google Patents
BOG recovery systems and movable and skid-mounted device Download PDFInfo
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- CN206488546U CN206488546U CN201621301315.0U CN201621301315U CN206488546U CN 206488546 U CN206488546 U CN 206488546U CN 201621301315 U CN201621301315 U CN 201621301315U CN 206488546 U CN206488546 U CN 206488546U
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- Prior art keywords
- bog
- pressure
- recovery systems
- drive unit
- liquefied
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- 238000011084 recovery Methods 0.000 title claims abstract description 80
- 230000008676 import Effects 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 8
- 239000000567 combustion gas Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000008450 motivation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000003949 liquefied natural gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a kind of BOG recovery systems, and the BOG recovery systems include：Power drive unit with the first BOG imports, the first BOG access is powered drive device and produces energy into first pressure BOG, first pressure BOG is received；Recovery device of liquefied with the 2nd BOG imports, the 2nd BOG access into receive second pressure BOG；Wherein, power drive unit can provide energy for recovery device of liquefied.The utility model additionally provides a kind of movable and skid-mounted device.The purpose of this utility model is to provide a kind of BOG recovery systems, and the BOG recovery systems provide power using low pressure BOG, BOG recovery systems is realized that energy is used self-sufficient, reduce the construction of national grid power consumption and LNG gas stations auxiliary facility.
Description
Technical field
The utility model is related to a kind of BOG recovery systems and a kind of movable and skid-mounted device.
Background technology
Liquefied natural gas (LNG) is to be cooled to -162 DEG C by gaseous natural gas at ambient pressure, is allowed to condense into liquid.
Storage and transportation space can be greatlyd save after natural gas liquefaction, and with the features such as calorific value is big, performance is high.The storage of LNG filling stations
Low temperature methane liquid, will some methane gasification (forming BOG) due to there is heat exchange with the external world.To ensure equipment peace
Entirely (equipment pressure is usually no more than 1.2MPa), the methane gas of this partial gasification can typically be directly discharged into air, cause resource
Waste and environmental pollution and potential safety hazard.
Current BOG reclaims main using BOG pressure recoveries (re-liquefied), and this method needs carrying out BOG collection sites
Set BOG reclaimers to be reclaimed, but according to the actual conditions of collection site, cause utilization rate of equipment and installations widely different.If
It is standby mainly need driven by power, it is necessary to supporting power capacity it is larger.This has resulted in disposable input and supporting electric power is set
The cost applied is higher, and equipment applicability is relatively low.
Utility model content
For problem present in correlation technique, the purpose of this utility model is to provide a kind of BOG recovery systems, should
BOG recovery systems provide power using low pressure BOG, BOG recovery systems is realized that energy is used self-sufficient, reduce country
The construction of power network power consumption and LNG gas stations auxiliary facility.
To achieve the above object, the utility model provides a kind of BOG recovery systems, and the BOG recovery systems include：Have
The power drive unit of first BOG imports, the first BOG access is dynamic into first pressure BOG, first pressure BOG supplies is received
Force driving device simultaneously produces energy；Recovery device of liquefied with the 2nd BOG imports, the 2nd BOG access into receive second
Pressure BOG；Wherein, power drive unit can provide energy for recovery device of liquefied.
According to one embodiment of the present utility model, BOG recovery systems further comprise energy transmission device, power drive
Device is connected to recovery device of liquefied by energy transmission device, so that what recovery device of liquefied was produced using power drive unit
Energy regenerating second pressure BOG.
According to one embodiment of the present utility model, first pressure BOG pressure limit is between 0.005~0.3Mpa；
Second pressure BOG pressure limit is between 0.3~1.1Mpa.
According to one embodiment of the present utility model, when power drive unit includes gas electricity generator, energy transmission dress
Put including cable, wherein, the fuel inlet of gas electricity generator is connected to the first BOG imports, and gas electricity generator passes through cable
It is connected to recovery device of liquefied.
According to one embodiment of the present utility model, gas electricity generator, which has, is used for what electrical equipment to external world was powered
Power supply interface.
According to one embodiment of the present utility model, when power drive unit includes gas engine, energy transmission dress
Put including power transmission shaft, wherein, the fuel inlet of gas engine is connected to the first BOG imports, and gas engine is by passing
Moving axis is connected to recovery device of liquefied.
According to one embodiment of the present utility model, recovery device of liquefied includes the compression being connected with energy transmission device
Machine, compressor includes：With the low-pressure inlet of the 2nd BOG inlet communications, the height of the LNG outlets with reclaiming second pressure BOG
Extrude mouth.
According to one embodiment of the present utility model, power drive unit also include First Heat Exchanger, First Heat Exchanger with
Power drive unit is connected, and can carry out thermal coupling with power drive unit.
According to one embodiment of the present utility model, recovery device of liquefied also includes the second heat exchanger, wherein, the second heat exchange
Device includes：First entrance with the 2nd BOG inlet communications, the first outlet connected with the low-pressure inlet of compressor and compressor
High-pressure outlet connection second entrance and second outlet.
According to another aspect of the present utility model there is provided a kind of movable and skid-mounted device, more than the movable and skid-mounted device includes
Described BOG recovery systems.
Advantageous effects of the present utility model are：BOG recovery systems of the present utility model are using low pressure BOG to BOG
Recovery system provides power, BOG recovery systems is realized that energy uses the self-sufficient of (electric energy or kinetic energy), reduces state's household electrical appliances
The construction of net power consumption and LNG gas stations auxiliary facility.
Brief description of the drawings
Fig. 1 is the schematic diagram of the composition of the BOG recovery systems of the utility model embodiment 1；
Fig. 2 is the schematic diagram of the composition of the BOG recovery systems of the utility model embodiment 2；
Fig. 3 is the BOG recovery systems of the utility model embodiment 3 and the schematic diagram of movable and skid-mounted apparatus structure；And
Fig. 4 is the schematic diagram of the BOG recovery system structures of the utility model embodiment 4.
Embodiment
Below with reference to accompanying drawing, embodiment of the present utility model is specifically described.It should be noted that it is following each
Embodiment can be mutually combined or partial replacement in any possible manner.
As shown in figure 1, embodiment 1 of the present utility model provides a kind of BOG recovery systems.The BOG recovery systems include dynamic
Force driving device 100, wherein, as seen from Figure 1, power drive unit 100 has the first BOG imports 1, the structure of the first BOG imports 1
Cause to receive the first pressure BOG with first pressure, first pressure BOG is powered drive device 100 and produces energy；This
Outside, the BOG recovery systems also include recovery device of liquefied 200, equally as seen from Figure 1, and the recovery device of liquefied 200 has the
Two BOG imports 2, the 2nd BOG imports 2 are configured to receive the second pressure BOG with second pressure, wherein, second pressure is more than
First pressure, power drive unit 100 can provide energy for recovery device of liquefied 200 pair for recovery device of liquefied 200
Two BOG carry out liquefaction recovery.
It is noted herein that because BOG liquefaction recovery needs elevated pressures to realize in itself, therefore when BOG pressures
When power is relatively low, it is necessary to which consuming more energy can just compress it；And power drive unit (such as engine or generator)
Need low pressure BOG just to produce energy, so from the aspect of economical and equipment ability to bear, can by the BOG of middle pressure (
It is referred to as the 2nd BOG in embodiment 2) liquefaction recycling is carried out, and the BOG (being referred to as the first BOG in example 2) of low pressure turns
It is melted into electric energy or mechanical energy is most suitable.
For up to this purpose, the present embodiment uses following technological process：The storage tank or tank car that reclaim BOG will be needed to be connected to
This BOG recovery system, connected mode is：First BOG imports 1 of BOG storage tanks or tank car are connected to power drive unit 100,
2nd BOG imports 2 of BOG storage tanks or tank car are connected to recovery device of liquefied 200, activation system, power drive unit 100 is passed through
Energy is provided by the first pressure BOG of low pressure, and transfers energy to the BOG of the beginning centering pressure of recovery device of liquefied 200
Row liquefaction is reclaimed.
In above-described embodiment 1, BOG recovery systems provide power using low pressure BOG to BOG recovery systems, reclaim BOG
System realizes that energy uses the self-sufficient of (electric energy or kinetic energy), reduces national grid power consumption and LNG gas stations with being arranged
The construction applied.
Referring now to Fig. 2, embodiment 2 of the present utility model can also further comprise energy transmission device 300, and power drives
Dynamic device 100 is connected to recovery device of liquefied 200 by energy transmission device 300, so that recovery device of liquefied 200 utilizes power
The energy that drive device 100 is produced liquefies and reclaims second pressure BOG.
In addition, in an optional embodiment, first pressure BOG pressure limit between 0.005~0.3Mpa,
And second pressure BOG pressure limit is between 0.3~1.1Mpa.
Next, as shown in figure 3, in embodiment 3 of the present utility model, power drive unit 100 is configured to combustion gas hair
Motor 15, and energy transmission device 300 is configured to cable.Wherein, the fuel inlet of gas electricity generator 15 is connected to the first BOG
Import 1 is burnt using receiving the first BOG as fuel, so as to produce electric energy.Gas electricity generator 15 is via burning the first BOG productions
Raw electric energy passes to recovery device of liquefied 200 via cable, so that recovery device of liquefied 200 liquefies and reclaimed the 2nd BOG.
In an optional embodiment, gas electricity generator 15 also has (for example but not to be limited for electrical equipment to external world
In in gas station and periphery electricity consumption facility etc.) power supply interface that is powered.
As shown in figure 4, in embodiment 4 of the present utility model, power drive unit 100 is configured to gas engine 15 ',
And energy transmission device 300 is configured to power transmission shaft.Wherein, the fuel inlet of gas engine 15 ' is communicated to the first BOG and entered
Mouth 1 is burnt using receiving the first BOG as fuel, so as to produce mechanical energy.Gas engine 15 ' is via the first BOG of burning
The mechanical energy of generation passes to recovery device of liquefied 200 by power transmission shaft, so that recovery device of liquefied 200 liquefies and reclaimed second
BOG。
Specifically, referring again to Fig. 3 and Fig. 4, according to embodiment 3 of the present utility model and embodiment 4, recovery device of liquefied
200 may each comprise the compressor 3 being connected with energy transmission device 300 (cable or power transmission shaft).Compressor 3 includes：With the 2nd BOG
The low-pressure inlet 4 to receive the 2nd BOG that import 2 is connected；The high-pressure outlet that LNG outlets 6 with reclaiming second pressure BOG are connected
5.It should be noted herein that in embodiment 3, BOG recovery systems also include motor 16, gas electricity generator 15 is passed through by cable
Compressor 3 is connected to by motor 16.
In addition, in each embodiment illustrated more than, power drive unit 100 may also include First Heat Exchanger 17, the
One heat exchanger 17 is connected with power drive unit 100, to carry out thermal coupling with power drive unit 100.
Further, in each embodiment illustrated more than, recovery device of liquefied 200 also includes the second heat exchanger 7, its
In, the second heat exchanger 7 includes：Connect to receive the 2nd BOG first entrance 8 with the 2nd BOG imports 2；With the low pressure of compressor 3
The first outlet 9 that entrance 4 is connected；The second entrance 10 and second outlet 11 connected with the high-pressure outlet of compressor 3.
In addition, in an alternate embodiment of the invention, recovery device of liquefied 200 also includes knockout drum 12, knockout drum 12
Have：The knockout drum entrance 18 connected with the second outlet 11 of the second heat exchanger 7, the first liquid outlets connected with LNG outlets 6
13 and connected with the first entrance 8 of the second heat exchanger 7 second gas outlet 14.
Referring next to Fig. 3, embodiment 3 of the present utility model also provides a kind of movable and skid-mounted device, the movable and skid-mounted dress
Put the BOG recovery systems illustrated including any one in various embodiments above.
In an optional embodiment, movable and skid-mounted device is configured to moving trolley, and BOG recovery systems are placed on the walking
To be moved with moving trolley on car, so as to move BOG recovery systems according to the actual location demand for recovery of being liquefied to BOG, significantly
Ground enhances flexibility and the practicality of BOG recovery systems.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of BOG recovery systems, it is characterised in that including：
Power drive unit (100) with the first BOG imports (1), the first BOG imports (1) are configured to receive the first pressure
Power BOG, the first pressure BOG supplies power drive unit (100) simultaneously produces energy；
Recovery device of liquefied (200) with the 2nd BOG imports (2), the 2nd BOG imports (2) are configured to receive the second pressure
Power BOG；
Wherein, the power drive unit (100) can provide energy for the recovery device of liquefied (200).
2. BOG recovery systems according to claim 1, it is characterised in that the BOG recovery systems further comprise energy
Transfer device (300), the power drive unit (100) is connected to described liquefy back by the energy transmission device (300)
Receiving apparatus (200), so that the energy regenerating that the recovery device of liquefied (200) is produced using the power drive unit (100)
The second pressure BOG.
3. BOG recovery systems according to claim 1, it is characterised in that the pressure limit of the first pressure BOG exists
Between 0.005~0.3Mpa；The pressure limit of the second pressure BOG is between 0.3~1.1Mpa.
4. BOG recovery systems according to claim 2, it is characterised in that when the power drive unit (100) includes combustion
During gas generator (15), the energy transmission device (300) includes cable,
Wherein, the fuel inlet of the gas electricity generator (15) is connected to the first BOG imports (1), and the combustion gas is sent out
Motor passes through the cable connection to the recovery device of liquefied (200).
5. BOG recovery systems according to claim 4, it is characterised in that the gas electricity generator (15), which has, to be used for pair
The power supply interface that extraneous electrical equipment is powered.
6. BOG recovery systems according to claim 2, it is characterised in that when the power drive unit (100) includes combustion
During gas engine (15 '), the energy transmission device (300) includes power transmission shaft,
Wherein, the fuel inlet of the gas engine (15 ') is connected to the first BOG imports (1), and the combustion gas is sent out
Motivation (15 ') is pivotally connected to the recovery device of liquefied (200) by the transmission.
7. BOG recovery systems according to claim 2, it is characterised in that the recovery device of liquefied (200) includes and institute
The compressor (3) of energy transmission device (300) connection is stated, the compressor (3) includes：Connected with the 2nd BOG imports (2)
Low-pressure inlet (4), the high-pressure outlet (5) that the LNG outlets (6) with reclaiming the second pressure BOG are connected.
8. BOG recovery systems according to claim 7, it is characterised in that the power drive unit (100) also includes the
One heat exchanger (17), the First Heat Exchanger (17) is connected with the power drive unit (100), can be filled with the power drive
Put (100) and carry out thermal coupling.
9. the BOG recovery systems according to claim 7 or 8, it is characterised in that the recovery device of liquefied (200) is also wrapped
The second heat exchanger (7) is included,
Wherein, second heat exchanger (7) includes：The first entrance (8) connected with the 2nd BOG imports (2) and the pressure
The first outlet (9) of the low-pressure inlet (4) connection of contracting machine (3), connect with the high-pressure outlet of the compressor (3)
Second entrance (10) and second outlet (11).
10. a kind of movable and skid-mounted device, it is characterised in that including the BOG recovery systems any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301315.0U CN206488546U (en) | 2016-11-30 | 2016-11-30 | BOG recovery systems and movable and skid-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301315.0U CN206488546U (en) | 2016-11-30 | 2016-11-30 | BOG recovery systems and movable and skid-mounted device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206488546U true CN206488546U (en) | 2017-09-12 |
Family
ID=59768177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301315.0U Expired - Fee Related CN206488546U (en) | 2016-11-30 | 2016-11-30 | BOG recovery systems and movable and skid-mounted device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206488546U (en) |
-
2016
- 2016-11-30 CN CN201621301315.0U patent/CN206488546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190708 Address after: 101299 No. 26, Paradise West District, Xinggu Industrial Development Zone, Pinggu District, Beijing Patentee after: Beijing New Austin Valley Gas Co.,Ltd. Address before: 100033 Block 501-2, Heng'ao Center Office Building, 26 Jinshifang Street, Xicheng District, Beijing Patentee before: ENN (CHINA) GAS INVESTMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 |