CN204213613U - Skid-mounted LNG two pump four machine filling apparatus - Google Patents
Skid-mounted LNG two pump four machine filling apparatus Download PDFInfo
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- CN204213613U CN204213613U CN201420631365.XU CN201420631365U CN204213613U CN 204213613 U CN204213613 U CN 204213613U CN 201420631365 U CN201420631365 U CN 201420631365U CN 204213613 U CN204213613 U CN 204213613U
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- lng
- storage tank
- pneumatic valve
- immersed pump
- filling device
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- 239000012071 phase Substances 0.000 claims description 38
- 239000007791 liquid phase Substances 0.000 claims description 36
- 239000006200 vaporizer Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 12
- 238000009834 vaporization Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000005276 aerator Methods 0.000 description 1
Abstract
A kind of skid-mounted LNG two pump four machine filling apparatus, comprise LNG tank car, LNG storage tank, LNG immersed pump and LNG filling device, LNG immersed pump comprises two the LNG immersed pumps and the 2nd LNG immersed pump that are connected in parallel, LNG storage tank comprises two the first LNG storage tank and the second LNG storage tank that are connected in parallel, and described LNG filling device comprises four the LNG filling devices be connected in parallel, the 2nd LNG filling device, the 3rd LNG filling device and the 4th LNG filling devices.The utility model can realize a LNG immersed pump and unload, and another LNG immersed pump carries out the function of annotating, and decreases the frequency of utilization of LNG immersed pump, protects LNG immersed pump, achieves while unloading and annotating and carries out; When not unloading, two LNG immersed pumps can be annotated simultaneously simultaneously.
Description
Technical field
The utility model relates to skid-mounted LNG aerator, is specifically related to a kind of skid-mounted LNG two pump four machine filling apparatus.
Background technique
LNG is transported to Vehicle Fueling Station for the station-service low-temperature transport LNG tank car that liquefies from LNG by the whole process of LNG liquid addition, is filled in the low temperature LNG storage tank of gas station by LNG by unload interface, vacuum pipe, immersed pump, flowmeter, valve etc. of gas station.Also there are two LNG immersed pumps in existing skid-mounted LNG filling apparatus, but can not unload simultaneously and annotate, and can only annotate simultaneously or can only unload by a LNG immersed pump by two LNG immersed pumps, making unloads and annotate can not carry out simultaneously.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of skid-mounted LNG two pump four machine filling apparatus, by two LNG immersed pumps are set a LNG immersed pump are unloaded and the filling of another LNG immersed pump achieve unload while can annotate, simultaneously can realize two LNG immersed pumps annotates simultaneously.
The technical solution of the utility model is: a kind of skid-mounted LNG two pump four machine filling apparatus, comprise LNG tank car, LNG storage tank, LNG immersed pump and LNG filling device, described LNG immersed pump comprises two the LNG immersed pumps and the 2nd LNG immersed pump that are connected in parallel, described LNG storage tank comprises two the first LNG storage tank and the second LNG storage tank that are connected in parallel, and described LNG filling device comprises four the LNG filling devices be connected in parallel, the 2nd LNG filling device, the 3rd LNG filling device and the 4th LNG filling devices; Described LNG tank car is connected with the second LNG storage tank with a LNG immersed pump, the 2nd LNG immersed pump, the first LNG storage tank respectively, first LNG storage tank, the second LNG storage tank are connected with a LNG immersed pump, the 2nd LNG immersed pump respectively, and a LNG immersed pump, the 2nd LNG immersed pump are connected with the 4th LNG filling device with a LNG filling device, the 2nd LNG filling device, the 3rd LNG filling device respectively.
Described first LNG storage tank, the second LNG storage tank are connected with a LNG filling device, the 2nd LNG filling device respectively, the 3rd LNG filling device is connected with the 4th LNG filling device.
Described LNG tank car is connected with the 2nd LNG immersed pump with the first LNG storage tank, the second LNG storage tank, a LNG immersed pump respectively by liquid phase pipeline, LNG tank car is connected with LNG immersed pump, LNG storage tank respectively by gas phase pipeline, and LNG tank car is connected with the first LNG storage tank, the second LNG storage tank by pressure piping: described LNG tank car is connected with gas phase pipeline by pressure piping vaporizer.
The utility model can realize a LNG immersed pump and unload, and another LNG immersed pump carries out the function of annotating, and decreases the frequency of utilization of LNG immersed pump, protects LNG immersed pump, achieves while unloading and annotating and carries out; When not unloading, two LNG immersed pumps can be annotated simultaneously simultaneously.The utility model is provided with four LNG filling devices, can be that four different automobiles are annotated simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in detail below in conjunction with the drawings and specific embodiments.
A kind of skid-mounted LNG two pump four machine filling apparatus, comprise LNG tank car 1, LNG storage tank, LNG immersed pump and LNG filling device, described LNG immersed pump comprises two the LNG immersed pumps 4 and the 2nd LNG immersed pump 5 that are connected in parallel, described LNG storage tank comprises two the first LNG storage tank 2 and the second LNG storage tank 3 be connected in parallel, and described LNG filling device comprises four LNG filling devices 7 be connected in parallel, the 2nd LNG filling device 8, the 3rd LNG filling device 9 and the 4th LNG filling device 10; Described LNG tank car 1 is connected with the second LNG storage tank 3 with a LNG immersed pump 4, the 2nd LNG immersed pump 5, first LNG storage tank 2 respectively, first LNG storage tank 2, second LNG storage tank 3 is connected with a LNG immersed pump 4, the 2nd LNG immersed pump 5 respectively, and a LNG immersed pump 4, the 2nd LNG immersed pump 5 are connected with the 4th LNG filling device 10 with a LNG filling device 7, the 2nd LNG filling device 8, the 3rd LNG filling device 9 respectively.First LNG storage tank 2 and the second LNG storage tank 3 are provided with surveys full valve, can prevent liquid from too much overflowing.
The liquid phase mouth of LNG tank car 1 is connected with the first liquid phase pipeline 40, first pneumatic valve 37, second pneumatic valve 59 respectively by the first stop valve 35.First pneumatic valve 37 is connected with the 2nd LNG immersed pump 5, and the second pneumatic valve 59 is connected with a LNG immersed pump 4.First liquid phase pipeline 40 is provided with the 3rd pneumatic valve 39.First liquid phase pipeline 40 is connected by the liquid outlet 203 of second liquid phase pipeline 41 with the first LNG storage tank 2, and second liquid phase pipeline 41 is provided with the 4th pneumatic valve 42.First liquid phase pipeline 40 is connected with the upper liquid entering hole 204 of the first LNG storage tank by the 3rd liquid phase pipeline 43, and the 3rd liquid phase pipeline 43 is provided with the 5th pneumatic valve 44.First liquid phase pipeline 40 is connected by the liquid outlet 303 of the 4th liquid phase pipeline 47 with the second LNG storage tank 3, and the 4th liquid phase pipeline 47 is provided with the 6th pneumatic valve 48.First liquid phase pipeline 40 is by being connected by the upper liquid entering hole 304 of the 5th liquid phase pipeline 46 with the second LNG storage tank 3, and the 5th liquid phase pipeline 46 is provided with the 7th pneumatic valve 45.
The gas phase mouth of LNG tank car 1 is connected with the first gas phase pipeline 62 by the second stop valve 63.First gas phase pipeline 62 is connected with the 3rd gas phase pipeline 12 with the second gas phase pipeline 11 respectively, and the second gas phase pipeline 11 is connected with a LNG immersed pump 4, and the second gas phase pipeline 11 is provided with the 8th pneumatic valve 20; 3rd gas phase pipeline 12 is connected with the 2nd LNG immersed pump 5, and the 3rd gas phase pipeline 12 is provided with the 9th pneumatic valve 19.First gas phase pipeline 62 is provided with the tenth pneumatic valve the 13 and the 11 pneumatic valve 14, the first gas phase pipeline 62 and is connected with the 4th gas phase pipeline 16, the 5th gas phase pipeline 15 respectively after the 11 pneumatic valve 14 through the tenth pneumatic valve 13.4th gas phase pipeline 16 is connected with the supercharging gas returning port 206 of the first LNG storage tank 2, and the 4th gas phase pipeline 16 is provided with the 12 pneumatic valve 18.5th gas phase pipeline 15 is connected with the supercharging gas returning port 306 of the second LNG storage tank 3, and the 5th gas phase pipeline 15 is provided with the 13 pneumatic valve 17.Vaporizer 6 and the first gas phase pipeline 62, be arranged between the tenth pneumatic valve the 13 and the 11 pneumatic valve 14.One LNG immersed pump is connected with the 6th gas phase pipeline 25, the 7th gas phase pipeline 23 respectively by the 14 pneumatic valve 21, and the 6th gas phase pipeline 25 is connected with the gas phase mouth 205 of the first LNG storage tank 2, and the 6th gas phase pipeline 25 is provided with the 15 pneumatic valve 26; 7th gas phase pipeline 23 is connected with the gas phase mouth 305 of the second LNG storage tank 3, and the 7th gas phase pipeline 23 is provided with the 16 pneumatic valve 24.
The boost port of LNG tank car 1 is connected with the first pressure piping 27, second pressure piping 29 respectively by the 3rd stop valve 28.First pressure piping 27 is connected with vaporizer 6.Second pressure piping 29 is connected with the 3rd pressure piping 30, the 4th pressure piping 32 respectively.3rd pressure piping 30 is connected with the boost port 202 of the first LNG storage tank, and the 3rd pressure piping 30 is provided with the 17 pneumatic valve 31.4th pressure piping 32 is connected with the boost port 302 of the second LNG storage tank, and the 4th pressure piping 32 is provided with the 18 pneumatic valve 33.Second pressure piping 29 is connected with a LNG immersed pump 4 by the 19 pneumatic valve 36, and the second pressure piping 29 is connected with the 2nd LNG immersed pump 5 by the 20 pneumatic valve 38.
First liquid phase pipeline 40 is connected with a LNG immersed pump 4 by the 21 pneumatic valve 53, and the first liquid phase pipeline 40 is connected with the 2nd LNG immersed pump 5 by the 22 pneumatic valve 55.First liquid phase pipeline the 40, the 21 pneumatic valve the 53, the 22 pneumatic valve 55 is connected with vaporizer 6 by the 23 pneumatic valve 58.One LNG immersed pump 4 and the 2nd LNG immersed pump 5 are connected in parallel by the 24 pneumatic valve the 54 and the 25 pneumatic valve 56.One LNG immersed pump 4 is connected with vaporizer 6 with low-temperature solenoid valve 57 by the 24 pneumatic valve 54, and the 2nd LNG immersed pump 5 is connected with vaporizer 6 with low-temperature solenoid valve 57 by the 25 pneumatic valve 56.One LNG immersed pump 4 and the 2nd LNG immersed pump 5 are connected in parallel and are connected with the 31 pneumatic valve 61 with the 26 pneumatic valve the 51, the 27 pneumatic valve the 52, the 30 pneumatic valve 60 respectively afterwards.26 pneumatic valve 51 is connected with the 2nd LNG filling device 8, and the 27 pneumatic valve 52 is connected with a LNG filling device 7, and the 30 pneumatic valve 60 is connected with the 3rd LNG filling device 9, and the 31 pneumatic valve 61 is connected with the 4th LNG filling device 10.
The filling device liquid return hole 201 of the first LNG storage tank 2 is connected with a LNG filling device 7, the 2nd LNG filling device 8, the 3rd LNG filling device 9, the 4th LNG filling device 10 respectively by the 28 pneumatic valve 50.The filling device liquid return hole 301 of the second LNG storage tank 3 is connected with a LNG filling device 7, the 2nd LNG filling device 8, the 3rd LNG filling device 9, the 4th LNG filling device 10 respectively by the 29 pneumatic valve 49.Achieve and return liquid between the first LNG storage tank 2, second LNG storage tank 3 and a LNG filling device 7, the 2nd LNG filling device 8, the 3rd LNG filling device 9, the 4th LNG filling device 10.
Once each flow process of the present utility model specifically below.
Unload liquid flow process: open the first stop valve 35, first pneumatic valve 37 or the second pneumatic valve 59,11 pneumatic valve the 53 or the 22 pneumatic valve 55, the 5th pneumatic valve 44 or seven pneumatic valves 45; LNG tank car 1 enters a LNG immersed pump 4 through the first stop valve 35, first pneumatic valve 37, or LNG tank car 1 enters a LNG immersed pump 4 through the first stop valve 35, second pneumatic valve 59; The first liquid phase pipeline 40 is entered through 21 pneumatic valve the 53 or the 22 pneumatic valves 55; Upper liquid entering hole 204 the latter entering the first LNG storage tank 2 through the 3rd liquid phase pipeline 43 enters the upper liquid entering hole 304 of the second LNG storage tank 3 through the 5th liquid phase pipeline 46.
Filling flow process: open the 3rd pneumatic valve 39, the 4th pneumatic valve the 42, the 24 pneumatic valve the 54 or the 25 pneumatic valve the 56, the 26 pneumatic valve the 51 or the 27 pneumatic valve the 52 or the 30 pneumatic valve the 60 or the 31 pneumatic valve 61; The liquid outlet 203 of the first LNG storage tank 2 enters the first liquid phase pipeline 40 through second liquid phase pipeline 41; Enter in a LNG immersed pump 4 through the second pneumatic valve 59 or enter in the 2nd LNG immersed pump 5 through the first pneumatic valve 37; Through the 24 pneumatic valve the 54 or the 25 pneumatic valve 56; Enter respectively in the 2nd LNG filling device 8, a LNG filling device 7, the 3rd LNG filling device 9 the 4th LNG filling device 10 through the 26 pneumatic valve the 51, the 27 pneumatic valve the 52, the 30 pneumatic valve the 60 and the 31 pneumatic valve 61, thus realize the liquid feeding process to automobile.
By controlling pneumatic valve, can realize the work of a LNG immersed pump 4 and the 2nd LNG immersed pump 5, realize a LNG immersed pump and unload LNG liquid discrepancy LNG storage tank, another LNG immersed pump is annotated to LNG filling device.Meanwhile, when not unloading, two LNG immersed pumps can be annotated.
Pressure balance flow process: open the 3rd pneumatic valve 39, first stop valve 35 and the 5th pneumatic valve 44, gas in first LNG storage tank 2 is after upper liquid entering hole 204, enter LNG tank car 1 by the 5th pneumatic valve 44, first liquid phase pipeline 40, first stop valve 35, thus realize the pressure balance between the first LNG storage tank 2 and LNG tank car 1.In like manner, the pressure balance between the second LNG storage tank 3 and LNG tank car 1 can be realized.Open the 3rd pneumatic valve 39, first stop valve 35 and the 6th pneumatic valve 48, gas in second LNG storage tank 3 is after upper liquid entering hole 304, entered in LNG tank car 1 by the 6th pneumatic valve 48, first liquid phase pipeline 40, first stop valve 35, thus realize the pressure balance between the second LNG storage tank 3 and LNG tank car 1.
Hand supercharging flow process: 1) the supercharging flow process of LNG tank car: open the 3rd stop valve 28, the tenth pneumatic valve 13 and the second stop valve 63; The boost port of LNG tank car 1 after the 3rd stop valve 28 enters vaporizer 6, from vaporizer 6 out enter LNG tank car 1 by the tenth pneumatic valve 13, second stop valve 63, thus realize the supercharging in LNG tank car 1.
2) the supercharging flow process of LNG storage tank: open the 17 pneumatic valve the 31, the 12 pneumatic valve 18, gas in first LNG storage tank 2 enters the 3rd pressure piping 30 through boost port 202, enter after vaporizer 6 vaporization through the second pressure piping 29 and the first pressure piping 27, the 4th gas phase pipeline 16 is entered through the 11 pneumatic valve 14, thus enter the gas phase mouth 206 of the first LNG storage tank 2, thus realize the supercharging of the first LNG storage tank 2.In like manner, open the 18 pneumatic valve the 33, the 13 pneumatic valve 17, gas in second LNG storage tank 3 enters the 4th pressure piping 32 through boost port 302, enter after vaporizer 6 vaporization through the second pressure piping 29 and the first pressure piping 27, the 5th gas phase pipeline 15 is entered through the 11 pneumatic valve 14, thus enter the gas phase mouth 306 of the second LNG storage tank 3, thus realize the supercharging in the second LNG storage tank 3.
Force supercharging flow process: 1) the pressure supercharging of LNG: open the first stop valve 35, second stop valve the 63, the 21 pneumatic valve the 53 or the 22 pneumatic valve 55, low-temperature solenoid valve 57, the tenth pneumatic valve 13; The liquid phase mouth of LNG tank car 1 enters a LNG immersed pump 4 or the 2nd LNG immersed pump 5 through the first stop valve 35, vaporizer 6 is entered by low-temperature solenoid valve 57, the first gas phase pipeline 62 is entered after vaporization, enter the gas phase mouth of LNG tank car 1 through the tenth pneumatic valve 13 and the second stop valve 63, realize the pressure supercharging of LNG tank car 1.
2) LNG storage tank forces supercharging flow process: open the 4th pneumatic valve 42, the 3rd pneumatic valve 39, first pneumatic valve 37 or the second pneumatic valve the 59, the 24 pneumatic valve the 54 or the 25 pneumatic valve 56, low-temperature solenoid valve the 57, the 11 pneumatic valve the 14, the 12 pneumatic valve 18; Second liquid phase pipeline 41 is entered, after the first liquid phase pipeline 40, first pneumatic valve 37 or the second pneumatic valve 59 enter a LNG immersed pump 4 or the 2nd LNG immersed pump 5 respectively from the liquid outlet 203 of the first LNG storage tank 2; Enter vaporizer 6 through the 24 pneumatic valve the 54 or the 25 pneumatic valve 56, low-temperature solenoid valve 57, after vaporization, enter the 4th gas phase pipeline 16 through the 11 pneumatic valve 14, thus realize the pressure supercharging in the first LNG storage tank 2.In like manner, the 6th pneumatic valve 48, the 3rd pneumatic valve 39, first pneumatic valve 37 or the second pneumatic valve the 59, the 24 pneumatic valve the 54 or the 25 pneumatic valve 56, low-temperature solenoid valve the 57, the 11 pneumatic valve the 14, the 13 pneumatic valve 17 is opened; The 4th liquid phase pipeline 47 is entered, after the first liquid phase pipeline 40, first pneumatic valve 37 or the second pneumatic valve 59 enter a LNG immersed pump 4 or the 2nd LNG immersed pump 5 respectively from the liquid outlet 303 of the second LNG storage tank 3; Enter vaporizer 6 through the 24 pneumatic valve the 54 or the 25 pneumatic valve 56, low-temperature solenoid valve 57, after vaporization, enter the 5th gas phase pipeline 15 through the 11 pneumatic valve 14, thus realize the pressure supercharging in the second LNG storage tank 3.
BOG recovery process: if the overpressure of the first LNG storage tank 2, open the 5th pneumatic valve 44, the 3rd pneumatic valve 39, first stop valve 35, the first liquid phase pipeline 40 is entered from the upper liquid entering hole 204 of the first LNG storage tank 2, enter the liquid phase mouth of LNG tank car 1 through the first stop valve 35, realize the recovery of BOG; If the overpressure of the second LNG storage tank 3, open the 7th pneumatic valve 45, the 3rd pneumatic valve 39, first stop valve 35, enter the first liquid phase pipeline 40 from the upper liquid entering hole 304 of the second LNG storage tank 3, enter the liquid phase mouth of LNG tank car 1 through the first stop valve 35, realize the recovery of BOG.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (2)
1. a skid-mounted LNG two pump four machine filling apparatus, comprise LNG tank car, LNG storage tank, LNG immersed pump, LNG filling device and vaporizer, it is characterized in that: described LNG immersed pump comprises two the LNG immersed pumps and the 2nd LNG immersed pump that are connected in parallel, described LNG storage tank comprises two the first LNG storage tank and the second LNG storage tank that are connected in parallel, and described LNG filling device comprises four the LNG filling devices be connected in parallel, the 2nd LNG filling device, the 3rd LNG filling device and the 4th LNG filling devices; Described LNG tank car is connected with the second LNG storage tank with a LNG immersed pump, the 2nd LNG immersed pump, the first LNG storage tank respectively, first LNG storage tank, the second LNG storage tank are connected with a LNG immersed pump, the 2nd LNG immersed pump respectively, and a LNG immersed pump, the 2nd LNG immersed pump are connected with the 4th LNG filling device with a LNG filling device, the 2nd LNG filling device, the 3rd LNG filling device respectively; Described first LNG storage tank, the second LNG storage tank are connected with a LNG filling device, the 2nd LNG filling device respectively, the 3rd LNG filling device is connected with the 4th LNG filling device.
2. skid-mounted LNG two pump four machine filling apparatus according to claim 1, it is characterized in that, described LNG tank car is connected with the 2nd LNG immersed pump with the first LNG storage tank, the second LNG storage tank, a LNG immersed pump respectively by liquid phase pipeline, LNG tank car is connected with LNG immersed pump, LNG storage tank respectively by gas phase pipeline, and LNG tank car is connected with the first LNG storage tank, the second LNG storage tank by pressure piping: described LNG tank car is connected with gas phase pipeline by pressure piping vaporizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420631365.XU CN204213613U (en) | 2014-10-29 | 2014-10-29 | Skid-mounted LNG two pump four machine filling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420631365.XU CN204213613U (en) | 2014-10-29 | 2014-10-29 | Skid-mounted LNG two pump four machine filling apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204213613U true CN204213613U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420631365.XU Active CN204213613U (en) | 2014-10-29 | 2014-10-29 | Skid-mounted LNG two pump four machine filling apparatus |
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| CN (1) | CN204213613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443975A (en) * | 2015-12-18 | 2016-03-30 | 重庆欣雨压力容器制造有限责任公司 | Liquefied natural gas refueling station and pump skid thereof |
-
2014
- 2014-10-29 CN CN201420631365.XU patent/CN204213613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443975A (en) * | 2015-12-18 | 2016-03-30 | 重庆欣雨压力容器制造有限责任公司 | Liquefied natural gas refueling station and pump skid thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450000, No. 12, building 1, No. 1, block 11, block 1, Gaoxin Road, hi tech, Henan, Zhengzhou Patentee after: Zhengzhou Lang run intelligent equipment Limited by Share Ltd Address before: 450000, No. 12, building 1, No. 1, block 11, block 1, Gaoxin Road, hi tech, Henan, Zhengzhou Patentee before: Zhengzhou Lang Run oil equipment Co., Ltd |