CN218378972U - LNG gas station storage tank pressure boost sled - Google Patents
LNG gas station storage tank pressure boost sled Download PDFInfo
- Publication number
- CN218378972U CN218378972U CN202222433293.5U CN202222433293U CN218378972U CN 218378972 U CN218378972 U CN 218378972U CN 202222433293 U CN202222433293 U CN 202222433293U CN 218378972 U CN218378972 U CN 218378972U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- low
- storage tank
- stop valve
- shaft stop
- 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.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a LNG gas station storage tank pressure boost sled, including base, storage tank booster, liquid inlet pipe way, liquid outlet pipe way, gaseous phase pipeline and the pipeline that steps up, fixed mounting storage tank booster on the base, liquid inlet pipe way and the pipeline that steps up are connected to storage tank booster's output, and the pipeline that steps up communicates gaseous phase pipeline, and the liquid outlet pipe way is installed on the base, and storage tank booster is equipped with explosion-proof switch, is equipped with air source interface on the base. The utility model provides a compact structure, remove convenient, work efficiency high, need not guard's LNG gas station storage tank pressure boost sled.
Description
Technical Field
The utility model relates to a LNG vaporizing station technical field, more specifically relate to a LNG gas station storage tank pressure boost sled.
Background
Liquefied Natural Gas (LNG), the main component of which is methane, is known as the cleanest fossil energy on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water. The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by a liquefied natural gas carrier. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a relatively advanced energy source. The liquefied natural gas is liquid after being compressed and cooled to the condensation point (-161.5 ℃), and is usually stored in a low-temperature storage tank at-161.5 ℃ and about 0.1 MPa. The main component of the methane is methane, and the methane is transported by a special ship or an oil tank truck and is gasified again when in use.
In the prior art, the LNG station is pushed by pressure, and the low-temperature liquefied natural gas flows from the storage tank to the air-temperature vaporizer and is gasified into gaseous natural gas to be supplied to users. The LNG in the storage tank constantly flows out at any time, the pressure in the storage tank constantly reduces, and the LNG speed of going out of the tank gradually slows down until stopping, so in order to improve the efficiency of the LNG going out of the tank, the storage tank needs to be pressurized.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a compact structure, remove convenient, work efficiency is high, need not the LNG gas station storage tank pressure boost sled of guard.
According to the utility model discloses an aspect provides a LNG gas station storage tank pressure boost sled, and it includes base, storage tank booster, liquid inlet pipe way, goes out liquid pipeline, gas phase pipeline and the pipeline that steps up, fixed mounting storage tank booster on the base, liquid inlet pipe way and the pipeline that steps up are connected to storage tank booster's output, pipeline intercommunication gas phase pipeline steps up, and the drain pipe is installed on the base, and storage tank booster is equipped with explosion-proof switch, is equipped with air source on the base.
In some embodiments, the boost circuit comprises: the first steel pipe, the second steel pipe, the third steel pipe, the fourth steel pipe, the fifth steel pipe, a first tee joint, a first elbow, a second elbow, a third elbow, the first steel pipe is connected with the second steel pipe and the fifth steel pipe through the first tee joint, the second steel pipe is connected with the third steel pipe through the first elbow, one end of the fourth steel pipe is connected with the third steel pipe through the second elbow, the other end of the fourth steel pipe is connected with the fifth steel pipe through the third elbow, the first steel pipe is provided with a first low-temperature short shaft stop valve and a second low-temperature short shaft stop valve, the fifth steel pipe is provided with a third low-temperature short shaft stop valve and a fourth low-temperature short shaft stop valve, one side of the fifth steel pipe, which is close to the first tee joint, is provided with the first low-temperature long shaft stop valve, the second steel pipe is provided with the second low-temperature long shaft stop valve, the fourth steel pipe is provided with the third low-temperature long shaft stop valve, and the third steel pipe is provided with a first pressure gauge.
In some embodiments, the first steel pipe is in communication with the storage tank booster via a flange.
In some embodiments, the liquid inlet line comprises: the sixth steel pipe is connected with the seventh steel pipe and the eighth steel pipe through a second tee joint, the eighth steel pipe is connected with the ninth steel pipe and the tenth steel pipe through a third tee joint, the sixth steel pipe is provided with a fourth low-temperature long shaft stop valve, a fifth low-temperature short shaft stop valve and a sixth low-temperature short shaft stop valve, the seventh steel pipe is provided with a fifth low-temperature long shaft stop valve, and the eighth steel pipe is provided with a first low-temperature pneumatic emergency stop valve, a seventh low-temperature short shaft stop valve and an eighth low-temperature short shaft stop valve.
In some embodiments, the seventh steel pipe is in communication with the storage tank booster through a flange.
In some embodiments, the outlet conduit comprises: the hydraulic control system comprises an eleventh steel pipe, and a sixth low-temperature long shaft stop valve, a second low-temperature pneumatic emergency stop valve, a ninth low-temperature short shaft stop valve and a tenth low-temperature short shaft stop valve which are arranged on the eleventh steel pipe.
In some embodiments, the gas phase line comprises: the twelfth steel pipe, the thirteenth steel pipe, the fourteenth steel pipe, fifteenth steel pipe and sixteenth steel pipe, the thirteenth steel pipe passes through fourth three way connection and fifth three way connection cross-over connection twelfth steel pipe, the fourteenth steel pipe passes through fifth three way connection and connects the twelfth steel pipe, be equipped with fifteenth steel pipe and sixteenth steel pipe on the fourteenth steel pipe, be equipped with low temperature step-down governing valve on the twelfth steel pipe, be equipped with seventh low temperature major axis stop valve, eighth low temperature major axis stop valve and needle valve on the thirteenth steel pipe, the needle valve sets up in the middle of eighth low temperature major axis stop valve and seventh low temperature major axis stop valve, be equipped with ninth low temperature major axis stop valve on the fifteenth steel pipe, be equipped with the tenth low temperature major axis stop valve on the sixteenth steel pipe, be equipped with the second manometer on the fourteenth steel pipe.
In some embodiments, the fifteenth steel tube is connected to a pressure boost line.
Compared with the prior art, the utility model, following beneficial effect has: when the pressure in the storage tank is lower than the set opening value of the automatic pressure increasing valve, the automatic pressure increasing valve is opened, the low-temperature Liquid (LNG) in the storage tank flows into the storage tank pressure increasing device through liquid level difference, the low-temperature Liquid (LNG) in the storage tank pressure increasing device is gasified into gas through heat exchange with air, then the gas flows into the storage tank, the pressure in the storage tank is increased to the required working pressure, and the low-temperature Liquid (LNG) in the storage tank is sent to the air temperature type gasifier to be gasified by utilizing the pressure. The utility model discloses a LNG gas station storage tank pressure boost sled, compact structure, remove convenient, work efficiency high, need not to watch on.
Drawings
Fig. 1 is a schematic structural view of the LNG gas station storage tank pressurizing pry of the present invention;
fig. 2 is a schematic structural diagram of a boosting pipeline of the LNG station storage tank boosting pry of the present invention;
fig. 3 is a schematic structural view of a liquid inlet pipeline of the LNG gas station storage tank pressurizing pry of the present invention;
fig. 4 is a schematic structural diagram of a liquid outlet pipeline of the LNG gas station storage tank pressurization pry of the present invention;
figure 5 is the utility model discloses the gas phase pipeline's of LNG gas station storage tank pressure boost sled structural schematic.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1, LNG gas station storage tank pressure boost sled, including base 1, storage tank booster 2, feed liquor pipeline 3, drain pipe 4, gas phase pipeline 5 and boost pipe 6, fixed mounting storage tank booster 2 on the base 1, liquid inlet pipeline 3 and boost pipe 6 are connected to storage tank booster 2's output, 6 intercommunication gas phase pipelines 5 of boost pipe, and drain pipe 4 installs on base 1, and storage tank booster 2 is equipped with explosion-proof switch, is equipped with air source interface on the base 1. When the pressure in the storage tank is lower than the set opening value of the automatic booster valve, the automatic booster valve is opened, low-temperature Liquid (LNG) in the storage tank flows into the self-storage tank booster 2 through the liquid inlet pipeline 3 by means of liquid level difference, the low-temperature Liquid (LNG) is gasified into gas through heat exchange with air in the self-storage tank booster 2, then the gas flows into the storage tank, the pressure in the storage tank is increased to required working pressure, and the low-temperature Liquid (LNG) in the storage tank is sent to the storage tank booster by utilizing the pressure.
As shown in fig. 2, the booster circuit 6 includes: the high-temperature-resistant steel pipe comprises a first steel pipe 601, a second steel pipe 602, a third steel pipe 603, a fourth steel pipe 604, a fifth steel pipe 605, a first tee joint 606, a first elbow 607, a second elbow 608 and a third elbow 609, wherein the first steel pipe 601 is connected with the second steel pipe 602 and the fifth steel pipe 605 through the first tee joint 606, the second steel pipe 602 is connected with the third steel pipe 603 through the first elbow 607, one end of the fourth steel pipe 604 is connected with the third steel pipe 603 through the second elbow 608, the other end of the fourth steel pipe 604 is connected with the fifth steel pipe 605 through the third elbow 609, the first steel pipe 601 is provided with a first low-temperature short shaft stop valve 610 and a second low-temperature short shaft stop valve 611, the fifth steel pipe 605 is provided with a third low-temperature short shaft stop valve 612 and a fourth low-temperature short shaft stop valve 613, one side of the fifth steel pipe 605, which is close to the first tee joint 606, the second steel pipe 602 is provided with the second low-temperature long shaft stop valve 615, the fourth steel pipe 604 is provided with the third low-temperature short shaft stop valve 616, and the third pressure gauge 617.
The first steel pipe 601 is communicated with the storage tank supercharger 2 through a flange.
As shown in fig. 3, the liquid inlet pipe 3 includes: the hydraulic control system comprises a sixth steel pipe 301, a seventh steel pipe 302, an eighth steel pipe 303, a ninth steel pipe 304 and a tenth steel pipe 305, wherein the sixth steel pipe 301 is connected with the seventh steel pipe 302 and the eighth steel pipe 303 through a second three-way joint 306, the eighth steel pipe 303 is connected with the ninth steel pipe 304 and the tenth steel pipe 305 through a third three-way joint 307, the sixth steel pipe 301 is provided with a fourth low-temperature long shaft stop valve 308, a fifth low-temperature short shaft stop valve 313 and a sixth low-temperature short shaft stop valve 309, the seventh steel pipe 302 is provided with a fifth low-temperature long shaft stop valve 314, and the eighth steel pipe 303 is provided with a first low-temperature pneumatic emergency cut-off valve 310, a seventh low-temperature short shaft stop valve 311 and an eighth low-temperature short shaft stop valve 312. The liquid inlet pipeline is also communicated with an EAG discharge port.
The seventh steel pipe 302 is communicated with the storage tank supercharger 2 through a flange. The sixth steel pipe 301 is a liquid inlet, and the ninth steel pipe 304 and the tenth steel pipe 305 are respectively connected to the upper liquid inlet and the lower liquid inlet of the storage tank.
As shown in fig. 4, the liquid outlet pipe 4 includes: an eleventh steel pipe 41, and a sixth low-temperature long axis stop valve 42, a second low-temperature pneumatic quick disconnect valve 43, a ninth low-temperature short axis stop valve 44, and a tenth low-temperature short axis stop valve 45 that are attached to the eleventh steel pipe 41. The two ends of the eleventh steel tube 41 are respectively connected with the liquid outlet of the storage tank and the liquid inlet.
As shown in fig. 5, the gas phase line 5 includes: the system comprises a twelfth steel pipe 501, a thirteenth steel pipe 502, a fourteenth steel pipe 503, a fifteenth steel pipe 504 and a sixteenth steel pipe 505, wherein the thirteenth steel pipe 502 is connected across the twelfth steel pipe 501 through a fourth three-way joint 506 and a fifth three-way joint 507, the fourteenth steel pipe 503 is connected with the twelfth steel pipe 501 through a fifth three-way joint 507, the fourteenth steel pipe 503 is provided with the fifteenth steel pipe 504 and the sixteenth steel pipe 505, the twelfth steel pipe 501 is provided with a low-temperature pressure reducing regulating valve 508, the thirteenth steel pipe 502 is provided with a seventh low-temperature long shaft stop valve 509, an eighth low-temperature long shaft stop valve 510 and a needle valve 511, the needle valve 511 is arranged between the eighth low-temperature long shaft stop valve 510 and the seventh low-temperature long shaft stop valve 509, the fifteenth steel pipe 504 is provided with a ninth low-temperature long shaft stop valve 512, the sixteenth steel pipe 505 is provided with a tenth low-temperature long shaft stop valve 513, and the fourteenth steel pipe 503 is provided with a second pressure gauge 514.
The fifteenth steel pipe 504 is connected to the pressure raising pipe 6.
The utility model discloses in the steel pipe be 06Cr19Ni10 stainless steel pipe. Meanwhile, a copper bridge is needed between the flange and the flange, the contact resistance is smaller than 0.03 ohm, so that the safety is guaranteed, when the natural gas is in overpressure, the safety valve can jump, redundant gas is diffused out, the pressure is reduced, when the pipeline equipment needs to be maintained, the natural gas in the pipeline equipment needs to be maintained after being emptied, the natural gas is directly discharged when the general gas amount is small, and the natural gas is preferably ignited and combusted when the gas amount is large, so that the natural gas is prevented from being gathered. The utility model discloses utilize automatic pressure boost governing valve and self-boosting air temperature formula vaporizer to realize. When the pressure in the storage tank is lower than the set opening value of the automatic booster valve, the automatic booster valve is opened, the low-temperature Liquid (LNG) in the storage tank flows into the self-boosting air-temperature type gasifier (the installation height of the self-boosting air-temperature type gasifier is lower than the lowest liquid level of the storage tank) by virtue of the liquid level difference, the low-temperature Liquid (LNG) in the self-boosting air-temperature type gasifier is gasified into gaseous gas through heat exchange with air, then the gaseous gas flows into the storage tank, the pressure in the storage tank is increased to the required working pressure, and the low-temperature Liquid (LNG) in the storage tank is sent to the storage tank booster 2 by utilizing the pressure.
The foregoing is only illustrative of some embodiments of the present invention, and it should be noted that, for those skilled in the art, other variations and modifications can be made without departing from the inventive concept of the present invention, and these all fall into the scope of the present invention.
Claims (8)
- LNG gas station storage tank pressure boost sled, its characterized in that, including base, storage tank booster, liquid inlet pipe way, play liquid pipeline, gaseous phase pipeline and the pipeline that steps up, fixed mounting storage tank booster on the base, liquid inlet pipe way and the pipeline that steps up are connected to storage tank booster's output, the pipeline intercommunication gaseous phase pipeline steps up, the drain pipe is installed on the base, the storage tank booster is equipped with explosion-proof switch, be equipped with air source interface on the base.
- 2. The LNG gas station storage tank pressurization sled of claim 1, wherein the boost line includes: the pressure gauge comprises a first steel pipe, a second steel pipe, a third steel pipe, a fourth steel pipe, a fifth steel pipe, a first tee joint, a first elbow, a second elbow and a third elbow, wherein the first steel pipe is connected with the second steel pipe and the fifth steel pipe through the first tee joint, the second steel pipe is connected with the third steel pipe through the first elbow, one end of the fourth steel pipe is connected with the third steel pipe through the second elbow, the other end of the fourth steel pipe is connected with the fifth steel pipe through the third elbow, the first steel pipe is provided with a first low-temperature short shaft stop valve and a second low-temperature short shaft stop valve, the fifth steel pipe is provided with a third low-temperature short shaft stop valve and a fourth low-temperature short shaft stop valve, one side, close to the first tee joint, of the fifth steel pipe is provided with the first low-temperature long shaft stop valve, the fourth steel pipe is provided with the third low-temperature long shaft stop valve, and the third steel pipe is provided with a first pressure gauge.
- 3. The LNG station storage tank pressurization sled of claim 2, wherein the first steel tube is in communication with a storage tank booster through a flange.
- 4. The LNG gas station storage tank pressurization sled of claim 1, wherein the liquid inlet line includes: the hydraulic emergency pneumatic cut-off valve comprises a sixth steel pipe, a seventh steel pipe, an eighth steel pipe, a ninth steel pipe and a tenth steel pipe, wherein the sixth steel pipe is connected with the seventh steel pipe and the eighth steel pipe through a second tee joint, the eighth steel pipe is connected with the ninth steel pipe and the tenth steel pipe through a third tee joint, the sixth steel pipe is provided with a fourth low-temperature long shaft stop valve, a fifth low-temperature short shaft stop valve and a sixth low-temperature short shaft stop valve, the seventh steel pipe is provided with a fifth low-temperature long shaft stop valve, and the eighth steel pipe is provided with a first low-temperature pneumatic emergency cut-off valve, a seventh low-temperature short shaft stop valve and an eighth low-temperature short shaft stop valve.
- 5. The LNG station storage tank pressurization sled of claim 4, wherein the seventh steel pipe is in communication with the storage tank booster through a flange.
- 6. The LNG gas station storage tank pressurization sled of claim 1, wherein, the liquid outlet pipe way includes: an eleventh steel pipe, and a sixth low-temperature long shaft stop valve, a second low-temperature pneumatic emergency cut-off valve, a ninth low-temperature short shaft stop valve and a tenth low-temperature short shaft stop valve which are installed on the eleventh steel pipe.
- 7. The LNG station tank booster skid of any one of claims 1-6, wherein the vapor phase conduit comprises: the twelfth steel pipe is in bridge joint with the twelfth steel pipe through a fourth tee joint and a fifth tee joint, the fourteenth steel pipe is connected with the twelfth steel pipe through a fifth tee joint, the fourteenth steel pipe is provided with a fifteenth steel pipe and a sixteenth steel pipe, the twelfth steel pipe is provided with a low-temperature pressure reduction regulating valve, the thirteenth steel pipe is provided with a seventh low-temperature long shaft stop valve, an eighth low-temperature long shaft stop valve and a needle valve, the needle valve is arranged between the seventh low-temperature long shaft stop valve and the eighth low-temperature long shaft stop valve, the fifteenth steel pipe is provided with a ninth low-temperature long shaft stop valve, the sixteenth steel pipe is provided with a tenth low-temperature long shaft stop valve, and the fourteenth steel pipe is provided with a second pressure gauge.
- 8. The LNG station storage tank pressurization sled of claim 7, wherein, the fifteenth steel pipe is connected with the boost pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433293.5U CN218378972U (en) | 2022-09-14 | 2022-09-14 | LNG gas station storage tank pressure boost sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433293.5U CN218378972U (en) | 2022-09-14 | 2022-09-14 | LNG gas station storage tank pressure boost sled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218378972U true CN218378972U (en) | 2023-01-24 |
Family
ID=84972667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222433293.5U Active CN218378972U (en) | 2022-09-14 | 2022-09-14 | LNG gas station storage tank pressure boost sled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218378972U (en) |
-
2022
- 2022-09-14 CN CN202222433293.5U patent/CN218378972U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101520128B (en) | Movable type method and device for supplying liquid phase natural gas and gas phase natural gas | |
| CN208886391U (en) | Mobile gas drive double pump adds hydrogen machine | |
| CN218378972U (en) | LNG gas station storage tank pressure boost sled | |
| CN111075695A (en) | Compressed air energy storage system with ejector capable of enhancing air storage and air storage process of compressed air energy storage system | |
| CN107906362A (en) | A kind of LNG gasification system | |
| CN2844641Y (en) | Bottle prized LNG gas-supply terminal | |
| CN202791322U (en) | LNG (liquefied natural gas) gasification station | |
| CN102095071A (en) | Method and device for supplying multifunctional mobile liquid-phase natural gas and gas-phase natural gas | |
| CN2630062Y (en) | Skid-mounted liquefied natural gas filling device for automobile | |
| CN206093506U (en) | Supply ammonia pressure adjusting device | |
| CN215891992U (en) | Gasification pressure regulating measurement sled storage tank connecting line | |
| CN215764619U (en) | Gasification pressure regulating metering pry | |
| CN210462445U (en) | Skid-mounted LNG loading and liquid guiding system | |
| CN1504671A (en) | Method and apparatus for low-temperature liquid self-pressurizing, gasifying and transferring | |
| CN219036275U (en) | LNG unloading pressurizing sled | |
| CN108799829B (en) | LNG gasification equipment | |
| CN208816693U (en) | A kind of ultralow temperature cut-off excess flow valve | |
| CN219775464U (en) | High-efficiency self-pressure-regulating LNG unloading device | |
| CN215891993U (en) | Metering pressure regulating pipeline of gasification pressure regulating metering pry | |
| CN206770974U (en) | Multifunctional mobile gasification sled | |
| CN112460475A (en) | Double-gun liquid adding machine | |
| CN202195270U (en) | Tank truck type liquefied natural gas supply terminal | |
| CN221197039U (en) | Natural gas pressure regulating sled | |
| CN220397261U (en) | System for utilize BOG gas of retrieving to unload pressurization for LNG tank wagon | |
| CN218914568U (en) | CO (carbon monoxide) 2 Supercharging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |