CN108031234A - A kind of BOG recovery methods and device - Google Patents
A kind of BOG recovery methods and device Download PDFInfo
- Publication number
- CN108031234A CN108031234A CN201810064329.2A CN201810064329A CN108031234A CN 108031234 A CN108031234 A CN 108031234A CN 201810064329 A CN201810064329 A CN 201810064329A CN 108031234 A CN108031234 A CN 108031234A
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- Prior art keywords
- bog
- heat
- exchanger rig
- storage tank
- ang
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4516—Gas separation or purification devices adapted for specific applications for fuel vapour recovery systems
Abstract
The invention discloses a kind of BOG retracting devices, so that the BOG gases that LNG evaporations produce in LNG storage tank enter ANG absorption storage tanks after passing sequentially through heat-exchanger rig and BOG surge tanks, and the natural gas in storage tank absorption LNG storage tank is adsorbed by ANG, avoid the waste of BOG, atmosphere pollution is reduced, is increased economic efficiency at the same time.Meanwhile BOG gases carry out heat exchange with the heat transferring medium in heat-exchanger rig, the temperature of heat transferring medium are reduced by BOG gases when flowing through heat-exchanger rig so that heat transferring medium recycles the cold energy of BOG gases, improves energy utilization rate.
Description
Technical field
The present invention relates to liquefied natural gas technical field of memory, more particularly to a kind of BOG recovery methods and device.
Background technology
Natural gas is as a kind of high-quality, clean energy, its calorific value is high, and environmental pollution is small, it is considered to be following preferred
The energy.Normal pressure liquefied natural gas（LNG）As a kind of existence form of natural gas, be conducive to transport and store.But Low Temperature Liquid
Change natural gas for a long time, during massive store, since the temperature of LNG is far below environment temperature, even if to storage tank and pipe
High performance insulation is taken in road, and LNG can still evaporate and produce BOG（Boil Off Gas）Flash steam.Meanwhile LNG storage tank
Leakage heat, pipeline leakage heat, low-lift pump and the factor such as high-pressure pump operating, LNG tankages car, change of atmospheric pressure can all produce BOG gases.
BOG gases cause the pressure of system to increase, but such as BOG is discharged into air, not only cause serious greenhouse effects, while
Can waste of energy.
To solve the above-mentioned problems, currently used BOG recovery process has two kinds：The first is that compressed BOG is defeated
Enter pipe network；Second is recondensation process processing BOG.But the first technique needs high pressure compressor, be not suitable for BOG in practice and produce
It is raw to measure less situation；Equipment needed for second of technique costly, is also not suitable for small-sized LNG stations.
Thus the prior art could be improved and improve.
The content of the invention
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are to want a kind of BOG recovery methods and device,
Energy utilization rate is improved to reach high efficiente callback BOG.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
A kind of BOG retracting devices, it includes：LNG storage tank, heat-exchanger rig, BOG surge tanks and ANG absorption storage tanks；The LNG
The gaseous phase outlet of storage tank is connected by pipeline with the tube-side inlet of heat-exchanger rig, the tube side outlet of the heat-exchanger rig and BOG
Surge tank is connected, and the BOG surge tanks are detachably connected with ANG absorption storage tanks；BOG gases in the LNG storage tank
Pass sequentially through heat-exchanger rig and BOG surge tanks enter ANG absorption storage tanks, and be stored in AMG absorption storage tanks.
The BOG retracting devices, wherein, the heat-exchanger rig is fin-tube heat exchanger, and the heat-exchanger rig
Shell side inlet and shell-side outlet are connected with the external device (ED) for recycling cold energy respectively.
The BOG retracting devices, wherein, the heat transferring medium of the heat-exchanger rig is a kind of in C3 or C4.
The BOG retracting devices, wherein, the pipe between the gaseous phase outlet and heat-exchanger rig tube-side inlet of the LNG storage tank
First pressure gauge is provided with road, the pressure of BOG gases in LNG storage tank is detected by the first pressure gauge.
The BOG retracting devices, wherein, on the pipeline between the first pressure gauge and the heat-exchanger rig tube-side inlet
The first solenoid valve is provided with, is exported by the gaseous phase outlet of the first solenoid valve control LNG storage tank with heat-exchanger rig tube side
Connection/disconnection.
The BOG retracting devices, wherein, it is provided with the pipeline between the BOG surge tanks and ANG absorption storage tanks
Second solenoid valve, connection/disconnection of BOG surge tanks and ANG absorption storage tanks is controlled by the second solenoid valve.
The BOG retracting devices, wherein, air outlet pipe is provided with the ANG absorption storage tank, is provided with the air outlet pipe
3rd solenoid valve.
The BOG retracting devices, wherein, the adsorbing medium of the ANG absorption storage tank filling is pressed active carbon.
A kind of BOG recovery methods, it includes：The pressure of BOG gases in LNG storage tank is detected, when pressure reaches first pressure
During threshold value, control LNG storage tank is connected with heat-exchanger rig so that the BOG gases in LNG flow into heat-exchanger rig；Flow into heat-exchanger rig
BOG gases and heat-exchanger rig in circulatory mediator carry out heat interaction；BOG gases after re-heat flow into ANG by BOG surge tanks
Storage tank is adsorbed, and is adsorbed in the adsorbing medium of ANG absorption storage tanks.
The BOG recovery methods, it is further included：The adsorbance of absorption BOG gases in ANG absorption storage tanks is detected, works as absorption
When amount reaches default adsorbance threshold value, control BOG surge tanks are disconnected with LNG absorption storage tanks, replace LNG absorption storage tanks；Inhaled in LNG
After attached storage tank is replaced, control BOG surge tanks are connected with LNG absorption storage tanks.
Beneficial effect：Compared with prior art, the present invention provides a kind of BOG retracting devices so that LNG in LNG storage tank
The BOG gases that evaporation produces enter ANG absorption storage tanks after passing sequentially through heat-exchanger rig and BOG surge tanks, and are adsorbed and stored up by ANG
Natural gas in tank absorption LNG storage tank, avoids the waste of BOG, reduces atmosphere pollution, increase economic efficiency at the same time.Meanwhile
BOG gases carry out heat exchange when flowing through heat-exchanger rig, with the heat transferring medium in heat-exchanger rig, are reduced and exchanged heat by BOG gases
The temperature of medium so that heat transferring medium recycles the cold energy of BOG gases, improves energy utilization rate.
Brief description of the drawings
Fig. 1 is the structure diagram that BOG retracting devices provided by the invention are preferably implemented.
Embodiment
The present invention provides a kind of BOG recovery methods and device, to make the purpose of the present invention, technical solution and effect more clear
Chu, clearly, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
Below in conjunction with the accompanying drawings, by the description of the embodiment, being described further to the content of the invention.
Fig. 1 is refer to, Fig. 1 is the structure diagram that BOG retracting devices provided by the invention are preferably implemented.The BOG is returned
Receiving apparatus includes LNG storage tank 1, heat-exchanger rig 4, BOG surge tanks 6 and ANG absorption storage tanks 9；The gas phase of the LNG storage tank 1 goes out
Mouthful be connected by pipeline with the tube-side inlet of the heat-exchanger rig 4, the tube side outlet of the heat-exchanger rig 4 by pipeline and
The entrance of BOG surge tanks 6 is connected；The entrance that storage tank 9 is adsorbed in the outlet of the BOG surge tanks 6 by pipeline with ANG is connected
It is logical so that the BOG gases that 1 internal cause of the LNG storage tank evaporation produces flow into heat-exchanger rig 4 by gaseous phase outlet, with heat-exchanger rig 4
Interior heat transferring medium carries out heat interaction；BOG gases after re-heat enter ANG by BOG surge tanks 6 and adsorb storage tank 9, and are adsorbed in
In ANG absorption storage tanks 9, the recycling of BOG gases is realized, avoids the waste of BOG, reduces atmosphere pollution, while improve economy
Benefit.
As shown in Figure 1, set on pipeline between the gaseous phase outlet of the LNG storage tank 1 and the tube-side inlet of heat-exchanger rig 4
There is 2 and first solenoid valve 3 of first pressure gauge, the first pressure gauge 2 is in front of first solenoid valve 3, i.e., and described first
Solenoid valve 3 controls institute on the pipeline between the first pressure gauge 2 and heat-exchanger rig 4 by first solenoid valve 3
State connection/disconnection of LNG storage tank 1 and heat-exchanger rig 4.
Further, the original state of first solenoid valve 3 is closed；It is in the first solenoid valve 3 and closes shape
During state, the pressure value that detects of first pressure gauge 2 is read at interval of the first preset time, and the pressure detected when first pressure gauge
When force value is more than first pressure threshold value, the first solenoid valve 3 is opened；After the first solenoid valve 3 is in opening, at interval of second
Preset time reads the pressure value that first pressure gauge 2 detects, and when the pressure that first pressure gauge 2 detects is pressed to being less than second
During force threshold, second solenoid valve 3, and the above process is repeated in, to control LNG storage tank 1 to be filled with heat exchange by the first solenoid valve 3
Put 4 connection/disconnection.In practical applications, first preset time and the second preset time can be the same or different,
Preferably, first preset time is identical with the second preset time.In addition, the first pressure threshold value is more than second pressure threshold
Value, and can both be pre-set.For example, the first pressure threshold value is the 1.1 of the LNG storage tank rated pressure
Times, the second pressure threshold value is 0.9 times etc. of the LNG storage tank rated pressure.
In the present embodiment, the heat-exchanger rig 4 is preferably fin-tube heat exchanger, and is adopted in the heat-exchanger rig 4
Heat transferring medium can be one kind in C3 or C4, the cold energy of BOG gases carrying be absorbed by the heat transferring medium, with to institute
Cold energy is stated to be recycled.That is, the BOG gases carry out after entering heat-exchanger rig 4 with the heat transferring medium in heat-exchanger rig 4
Heat exchange, the heat of absorption heat-exchange medium is to reduce the temperature of heat transferring medium, to realize recycling cold energy.
Further, the shell side inlet of the heat-exchanger rig 4 and shell-side outlet can respectively with the outside for recycling cold energy
The entrance and exit of device is connected, and forms heat transferring medium circulation path so that flowing into exterior dress after heat transferring medium cooling
Put, cold energy is provided for external device (ED)；The heat transferring medium after cold energy is provided for external device (ED) to arrive by the outlet return of external device (ED)
Heat-exchanger rig absorbs cold energy, realizes cold energy and is recycled, improves the utilization rate of the energy.In the present embodiment, it is described
External device (ED) can be that the cold energy carried using heat transferring medium carries out refrigeration plant, for example, air-conditioning, ice maker etc..It is in addition, described
Heat-exchanger rig can also use the heat exchanger of other forms, for example, coil exchanger etc..
As shown in Figure 1, the BOG surge tanks 6 and the ANG are adsorbed is provided with the second electromagnetism on the pipeline between storage tank 9
Valve 7 and second pressure gauge 8, the second solenoid valve 7 between the BOG surge tanks 6 and the second pressure gauge 8, and
Connection/disconnection of BOG surge tanks 6 and ANG absorption storage tanks 9 is controlled by the second solenoid valve 7.I.e. when the described second electricity
When magnet valve 7 is in opening, the BOG surge tanks 6 are connected with ANG absorption storage tanks 9, at the second solenoid valve 7
When closed mode, the BOG surge tanks 6 and ANG absorption storage tank 9 disconnects.In the present embodiment, the BOG surge tanks 6 and institute
State ANG absorption storage tanks 9 to be detachably connected, the second solenoid valve 7 is needing to buffer ANG absorption storage tanks 9 with the BOG
When tank 6 is split, second solenoid valve 7 is closed, to avoid the waste of BOG gases.In addition, when ANG absorption storage tanks 9
When being reconnected with the BOG surge tanks 6, the second solenoid valve 7 is opened.
Adsorbing medium is filled with the ANG absorption storage tank 9, the adsorbing medium is preferably pressed active carbon, passes through institute
State the BOG gases in the pressed active carbon absorption inflow ANG absorption storage tank.In addition, as shown in Figure 1, the ANG adsorbs storage tank
An air outlet pipe can be provided with 9, the 3rd solenoid valve 10 is provided with the air outlet pipe, is controlled by the 3rd solenoid valve 10
BOG gases discharge in the ANG absorption storage tank 9, so that the BOG gases of absorption are used in ANG absorption storage tanks 9.
In practical applications, the ANG adsorbs storage tank 9 when being connected with the BOG surge tanks 6, and the 3rd solenoid valve 10 is always
Be closed so that by the BOG surge tanks 6 flow into ANG absorption storage tank 9 BOG gases be stored in it is described
In ANG absorption storage tanks 9.When ANG absorption storage tanks 9 are filled with, the ANG absorption storage tank 9 is replaced.In addition, the heat exchange dress
Put and be provided with the 4th solenoid valve 5 on the pipeline between 4 and the BOG surge tanks 6, controlled and exchanged heat by the 4th solenoid valve 5
Connection/disconnection of device 4 and BOG surge tanks 6.
Present invention also offers a kind of BOG Gas recovering methods, applied to BOG gas concentration units as described above, institute
The method of stating includes：The pressure of BOG gases in LNG storage tank 1 is detected, when pressure reaches first pressure threshold value, controls LNG storage tank 1
Connected with heat-exchanger rig 4 so that the BOG gases in LNG flow into heat-exchanger rig 4；Flow into BOG gases and the heat exchange of heat-exchanger rig 4
Circulatory mediator in device 4 carries out heat interaction；BOG gases after re-heat flow into ANG by BOG surge tanks 6 and adsorb storage tank 9, and
It is adsorbed in the adsorbing medium of ANG absorption storage tanks 9.In addition, after LNG storage tank 1 is connected with heat-exchanger rig 4, continue to detect LNG storages
The pressure of BOG gases in tank 1, and when pressure drops to second pressure threshold value, control LNG storage tank 1 is disconnected with heat-exchanger rig 4, this
Sample can provide the efficiency of BOG gases recycling.
Further, after ANG absorption storage tanks 9 adsorb BOG gases, absorption BOG gases in detection ANG absorption storage tanks 9
Adsorbance, when adsorbance reaches default adsorbance threshold value, control BOG surge tanks 6 and LNG absorption storage tanks 9 disconnect, replacement
LNG adsorbs storage tank 9；After LNG absorption storage tanks 9 are replaced, control BOG surge tanks 6 are connected with LNG absorption storage tanks 9.
BOG Gas recovering methods are provided in order to further illustrate the present invention, are illustrated by taking certain small-sized LNG station as an example.
LNG stations scale is 1200 m3, and the BOG yields of the LNG stations are 38kg/h, and temperature is -130 DEG C.
The BOG Gas recovering methods detailed process is：
Close the first solenoid valve 3, detect the pressure value of first pressure gauge 2, when the pressure is to when reaching first pressure threshold value, open
Open the first solenoid valve 3；The BOG gases that temperature in LNG storage tank 1 is -130 DEG C with the flow of 38kg/h by the first solenoid valve into
Enter heat-exchanger rig 4, and heat exchange carried out with the heat transferring medium in heat-exchanger rig 4, the BOG gases re-heat after heat exchange to 0 DEG C with
On to recycle cold, per hour recycle 3.35kw colds；BOG gases after re-heat are by 5 valve stream of the 4th electromagnetism, BOG surge tanks 6
And second solenoid valve 7 flows into the ANG absorption storage tank 9, and it is adsorbed in the ANG adsorption tanks 9；When the ANG adsorption tanks 9
After being filled with BOG gases, second solenoid valve 7 is closed, replaces the ANG absorption storage tank 9, and described second is opened after replacement
Solenoid valve 7.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
1. a kind of BOG retracting devices, it is characterised in that it includes：LNG storage tank, heat-exchanger rig, BOG surge tanks and ANG absorption
Storage tank；The gaseous phase outlet of the LNG storage tank is connected by pipeline with the tube-side inlet of heat-exchanger rig, the pipe of the heat-exchanger rig
Journey outlet is connected with BOG surge tanks, and the BOG surge tanks are detachably connected with ANG absorption storage tanks；The LNG storage tank
In BOG gases pass sequentially through heat-exchanger rig and BOG surge tanks and enter ANG absorption storage tanks, and be stored in AMG absorption storage tanks.
2. BOG retracting devices according to claim 1, it is characterised in that the heat-exchanger rig is fin-tube heat exchanger, and
And the shell side inlet and shell-side outlet of the heat-exchanger rig are connected with the external device (ED) for recycling cold energy respectively.
3. BOG retracting devices according to claim 1 or claim 2, it is characterised in that the heat transferring medium of the heat-exchanger rig for C3 or
It is a kind of in C4.
4. according to BOG retracting devices described in right 1, it is characterised in that the gaseous phase outlet of the LNG storage tank and heat-exchanger rig tube side
First pressure gauge is provided with pipeline between entrance, the pressure of BOG gases in LNG storage tank is detected by the first pressure gauge
Power.
5. BOG retracting devices according to claim 4, it is characterised in that the first pressure gauge enters with heat-exchanger rig tube side
The first solenoid valve is provided with pipeline between mouthful, gaseous phase outlet and heat exchange by the first solenoid valve control LNG storage tank
Connection/disconnection of device tube side outlet.
6. BOG retracting devices according to claim 1, it is characterised in that the BOG surge tanks and ANG absorption storage tanks
Between pipeline on be provided with second solenoid valve, pass through the second solenoid valve and control BOG surge tanks and the ANG to adsorb storage tank
Connection/disconnection.
7. BOG retracting devices according to claim 6, it is characterised in that air outlet pipe is provided with the ANG absorption storage tank,
The 3rd solenoid valve is provided with the air outlet pipe.
8. according to any BOG retracting devices in claim 1,6 or 7, it is characterised in that the ANG absorption storage tank filling
Adsorbing medium is pressed active carbon.
9. a kind of BOG recovery methods, it is characterised in that it includes：The pressure of BOG gases in LNG storage tank is detected, when pressure reaches
During first pressure threshold value, control LNG storage tank is connected with heat-exchanger rig so that the BOG gases in LNG flow into heat-exchanger rig；Flow into
The BOG gases of heat-exchanger rig carry out heat interaction with the circulatory mediator in heat-exchanger rig；BOG gases after re-heat are buffered by BOG
Tank flows into ANG absorption storage tanks, and is adsorbed in the adsorbing medium of ANG absorption storage tanks.
10. BOG recovery methods according to claim 9, it is characterised in that it is further included：Detect absorption in ANG absorption storage tanks
The adsorbance of BOG gases, when adsorbance reaches default adsorbance threshold value, control BOG surge tanks are disconnected with LNG absorption storage tanks,
Replace LNG absorption storage tanks；After LNG absorption storage tanks are replaced, control BOG surge tanks are connected with LNG absorption storage tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064329.2A CN108031234A (en) | 2018-01-23 | 2018-01-23 | A kind of BOG recovery methods and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064329.2A CN108031234A (en) | 2018-01-23 | 2018-01-23 | A kind of BOG recovery methods and device |
Publications (1)
| Publication Number | Publication Date |
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| CN108031234A true CN108031234A (en) | 2018-05-15 |
Family
ID=62096544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064329.2A Pending CN108031234A (en) | 2018-01-23 | 2018-01-23 | A kind of BOG recovery methods and device |
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| Country | Link |
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| CN (1) | CN108031234A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743199A (en) * | 2019-11-12 | 2020-02-04 | 新疆东方希望新能源有限公司 | Adsorption equipment for reducing content of boron and phosphorus impurities in chlorosilane |
| CN111452943A (en) * | 2019-01-22 | 2020-07-28 | 中国船舶重工集团公司第七一九研究所 | Ventilation system for nuclear area of marine nuclear power platform |
| CN111853536A (en) * | 2020-07-28 | 2020-10-30 | 上海交通大学 | Adsorption type self-pressurization and flash gas recovery integrated device for liquefied natural gas storage tank |
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| US6035550A (en) * | 1997-04-28 | 2000-03-14 | Tokyo Gas Co., Ltd. | Method and apparatus for treating bog in a low temperature liquid storage tank |
| CN101915494A (en) * | 2010-07-27 | 2010-12-15 | 华南理工大学 | Re-liquefaction method of shipped liquid cargo of ethylene/ethane evaporation gas |
| CN102353233A (en) * | 2011-08-03 | 2012-02-15 | 成都蜀远煤基能源科技有限公司 | Process method and device for cryogenically separating and liquefying gas obtained after coal gas methanation |
| CN103459912A (en) * | 2011-02-28 | 2013-12-18 | 韩国科学技术院 | LNG refueling system and boil-off gas treatment method |
| CN204717343U (en) * | 2015-05-07 | 2015-10-21 | 乐山市热工仪表有限公司 | A kind of refrigeration plant for reclaiming boil-off gas cold energy |
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2018
- 2018-01-23 CN CN201810064329.2A patent/CN108031234A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035550A (en) * | 1997-04-28 | 2000-03-14 | Tokyo Gas Co., Ltd. | Method and apparatus for treating bog in a low temperature liquid storage tank |
| CN101915494A (en) * | 2010-07-27 | 2010-12-15 | 华南理工大学 | Re-liquefaction method of shipped liquid cargo of ethylene/ethane evaporation gas |
| CN103459912A (en) * | 2011-02-28 | 2013-12-18 | 韩国科学技术院 | LNG refueling system and boil-off gas treatment method |
| CN102353233A (en) * | 2011-08-03 | 2012-02-15 | 成都蜀远煤基能源科技有限公司 | Process method and device for cryogenically separating and liquefying gas obtained after coal gas methanation |
| CN204717343U (en) * | 2015-05-07 | 2015-10-21 | 乐山市热工仪表有限公司 | A kind of refrigeration plant for reclaiming boil-off gas cold energy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452943A (en) * | 2019-01-22 | 2020-07-28 | 中国船舶重工集团公司第七一九研究所 | Ventilation system for nuclear area of marine nuclear power platform |
| CN110743199A (en) * | 2019-11-12 | 2020-02-04 | 新疆东方希望新能源有限公司 | Adsorption equipment for reducing content of boron and phosphorus impurities in chlorosilane |
| CN111853536A (en) * | 2020-07-28 | 2020-10-30 | 上海交通大学 | Adsorption type self-pressurization and flash gas recovery integrated device for liquefied natural gas storage tank |
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Application publication date: 20180515 |
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