CN212843881U - Metering and calibrating device for liquefied natural gas dispenser - Google Patents
Metering and calibrating device for liquefied natural gas dispenser Download PDFInfo
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- CN212843881U CN212843881U CN202021632093.7U CN202021632093U CN212843881U CN 212843881 U CN212843881 U CN 212843881U CN 202021632093 U CN202021632093 U CN 202021632093U CN 212843881 U CN212843881 U CN 212843881U
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- shell
- pipe
- display screen
- storage
- metering
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Abstract
The utility model discloses a liquefied natural gas adds mechanism of qi metrological verification device, which comprises an outer shell, be equipped with the heat preservation in the shell, the front end left side of shell is equipped with the return air mouth, and the front end right side of shell is equipped with the filling opening, be equipped with the liquid feeding pipe in the filling opening, be equipped with the muffler in the return air mouth, be equipped with the display screen in the middle of the front end of shell, be equipped with temperature display dish between display screen and the return air mouth, be equipped with the pressure display dish between display screen and the filling opening. The utility model discloses during the use, through the design of display screen, temperature display dish and pressure display dish, can gather required data through the display screen, can observe the temperature in the shell through the temperature display dish, can observe the pressure condition in the whole device through the pressure display dish.
Description
Technical Field
The utility model relates to a metrological verification device specifically is liquefied natural gas adds mechanism of qi metrological verification device.
Background
The main component of liquefied natural gas is methane, which is recognized as the cleanest energy source on earth. In recent years, the LNG industry in China develops rapidly, but technical specifications such as corresponding metrological verification regulations of the LNG dispenser are just started, and particularly, the LNG dispenser metrological verification device is suitable for being used on site in an LNG filling station, so that the LNG dispenser industry develops urgently by establishing and perfecting the LNG dispenser metrological verification device and a site detection method so as to promote the development and technical progress of the whole LNG dispenser industry chain.
Present calibrating installation can not be holistic when cooling down to the device, and causes the unbalanced problem of cooling down easily when cooling down, and the unable real-time observation of pressure in the calibrating installation.
Therefore, the utility model provides a liquefied natural gas adds mechanism of qi metrological verification device to solve the above-mentioned problem of proposing.
Disclosure of Invention
An object of the utility model is to provide a liquefied natural gas adds mechanism of qi metrological verification device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the metering and calibrating device for the liquefied natural gas filling machine comprises a shell, wherein a heat-insulating layer is arranged in the shell, a gas return port is arranged on the left side of the front end of the shell, a liquid filling port is arranged on the right side of the front end of the shell, a liquid filling pipe is arranged in the liquid filling port, a gas return pipe is arranged in the gas return port, a display screen is arranged in the middle of the front end of the shell, a temperature display disc is arranged between the display screen and the gas return port, a pressure display disc is arranged between the display screen and the liquid filling port, a pressure regulating port is arranged at the lower side of the display screen at the front end of the;
the improved air conditioner is characterized in that a storage device is arranged in the shell, the rear end of the liquid adding pipe is located in the shell and is provided with a connecting pipe, the front end of the connecting pipe is connected with the liquid adding pipe, the other end of the connecting pipe is connected with the storage device, the right side of the storage device is provided with a liquid-phase mass flow meter and a gas-phase mass flow meter, the one end of the connecting pipe close to the liquid adding pipe is provided with the gas-phase mass flow meter, the one end of the connecting pipe close to the gas return pipe is provided with the gas-phase mass flow meter, the right side of the storage device.
As a further proposal of the utility model, the liquid feeding pipe, the air return pipe and the pressure regulating pipe are all fixedly connected with the shell.
As a still further aspect of the present invention, the storage is a filling body, and the diameter and the length of the storage are smaller than the height and the length of the housing, respectively.
As a further proposal of the utility model, the connecting mode of the air return pipe and the storage device is the same as that of the liquid feeding pipe and the storage device.
As the utility model discloses scheme further again, control valve one is located liquid phase mass flowmeter rear side, and control valve one is close to the right-hand member of memory.
As the utility model discloses scheme further again, control valve two is located gas phase mass flowmeter rear side, and control valve two is close to the right-hand member of memory.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses during the use, through the design of display screen, temperature display dish and pressure display dish, can gather required data through the display screen, can observe the temperature in the shell through the temperature display dish, can observe the pressure condition in the whole device through the pressure display dish.
2. The utility model discloses during the use, through the refrigerator design, the temperature of the refrigerator in the start shell in to the shell is cooled down, cools down the device in the shell to make the device temperature in the shell be close with the temperature of air entrainment built-in medium mutually.
3. The utility model discloses during the use, through the design of heat preservation, can carry out invariable heat preservation to the temperature in the device.
Drawings
Fig. 1 is a schematic structural diagram of a metering and calibrating device of a liquefied natural gas dispenser.
Fig. 2 is a schematic structural diagram of the inside of a housing of the metering and testing device of the liquefied natural gas dispenser.
Fig. 3 is a schematic structural diagram of a housing in the metering and testing device of the liquefied natural gas dispenser.
Fig. 4 is an enlarged schematic structural view of a part of the front side of fig. 1 in the metering and testing device of the liquefied natural gas dispenser.
In the figure: 1. a housing; 100. a heat-insulating layer; 2. a liquid filling port; 3. a liquid feeding pipe; 4. an air return port; 5. an air return pipe; 6. a display screen; 7. a temperature display panel; 8. a pressure display panel; 9. a pressure regulating port; 10. a pressure regulating pipe; 11. a connecting pipe; 12. a liquid phase mass flow meter; 13. a gas phase mass flow meter; 14. a first control valve; 15. a second control valve; 16. a memory; 17. a refrigerator; 18. and (4) releasing the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the present invention, the metering and calibrating apparatus for the liquefied natural gas dispenser includes a housing 1, a heat insulating layer 100 is disposed in the housing 1, a gas return port 4 is disposed on the left side of the front end of the housing 1, a liquid filling port 2 is disposed on the right side of the front end of the housing 1, a liquid filling pipe 3 is disposed in the liquid filling port 2, a gas return pipe 5 is disposed in the gas return port 4, a display screen 6 is disposed in the middle of the front end of the housing 1, a temperature display panel 7 is disposed between the display screen 6 and the gas return port 4, a pressure display panel 8 is disposed between the display screen 6 and the liquid filling port 2, a pressure regulating port 9 is disposed at the lower side of the display screen 6 at the front end of the housing 1, a pressure regulating pipe 10 is disposed in the pressure regulating port 9, and the liquid filling;
the device is characterized in that a storage 16 is arranged in the shell 1, the storage 16 is a filling body, the diameter and the length of the storage 16 are respectively smaller than the height and the length of the shell 1, the rear end of the liquid adding pipe 3 is arranged in the shell 1, the front end of the connecting pipe 11 is connected with the liquid adding pipe 3, the other end of the connecting pipe 11 is connected with the storage 16, the connecting mode of the air return pipe 5 and the storage 16 is the same as that of the liquid adding pipe 3 and the storage 16, one end, close to the liquid adding pipe 3, of the connecting pipe 11 on the right side of the storage 16 is provided with a liquid phase mass flow meter 12, one end, close to the air return pipe 5, of the connecting pipe 11 on the left side of the storage 16 is provided with a gas phase mass flow meter 13, the connecting pipe 11 on the right side of the storage 16 is provided with a control valve, the storage 16 is arranged on the left side of the connecting pipe 11, a second control valve 15 is arranged on the rear side of the gas phase mass flow meter 13, the second control valve 15 is close to the right end of the storage 16, the rear end of the storage 16 is arranged in the shell 1 and is provided with a refrigerator 17, and the pressure regulating pipe 10 is provided with a pressure relief valve 18.
The utility model discloses a theory of operation is:
when the utility model is used, the gas filling gun of the gas filling machine is firstly connected with the liquid filling pipe 3 in the liquid filling port 2, then the gas return gun of the gas filling machine is connected with the gas return pipe 5 in the gas return port 4, so that the gas filling machine and the pickup device form a loop, then the refrigerator 17 in the shell 1 is started to cool the temperature in the shell 1, the device in the shell 1 is cooled, the temperature of the device in the shell 1 is close to the temperature of the medium in the gas filling machine, then the control valve I14 and the control valve II 15 are opened to discharge the redundant gas in the memory 16 and the connecting pipe 11, then the gas filling machine is opened to add the natural gas into the memory 16, the connection of the memory 16 of the verification device is immediately disconnected after the gas filling machine stops, the whole verification flow is completed after the data is collected and stored through the display screen 6, the gas filling machine is different from the temperature in the gas filling machine due to the temperature in the shell 1 when the liquefied natural gas is added into the memory, therefore, the temperature of liquefied natural gas can be increased during gas filling, the liquefied natural gas can be gasified in a short time after being increased, the pressure of the whole verification loop is rapidly increased, the pressure of the whole system can be protected by the pressure release valve 18 and cannot be too high, verification data can be observed through the display screen 6 at the front end of the shell 1, the temperature in the shell 1 can be observed through the temperature display disc 7, and the pressure condition in the whole device can be observed through the pressure display disc 8.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The metering and calibrating device for the liquefied natural gas filling machine comprises a shell (1) and is characterized in that a heat preservation layer (100) is arranged in the shell (1), an air return port (4) is arranged on the left side of the front end of the shell (1), a liquid filling port (2) is arranged on the right side of the front end of the shell (1), a liquid filling pipe (3) is arranged in the liquid filling port (2), a gas return pipe (5) is arranged in the air return port (4), a display screen (6) is arranged in the middle of the front end of the shell (1), a temperature display disc (7) is arranged between the display screen (6) and the air return port (4), a pressure display disc (8) is arranged between the display screen (6) and the liquid filling port (2), a pressure regulating port (9) is arranged at the lower side, located on the display screen (6), of the front end of the shell (1), and a;
a storage device (16) is arranged in the shell (1), the rear end of the liquid feeding pipe (3) is positioned in the shell (1) and is provided with a connecting pipe (11), the front end of the connecting pipe (11) is connected with the liquid adding pipe (3), the other end of the connecting pipe (11) is connected with the storage device (16), the right side of the storage device (16) is provided with a liquid phase mass flow meter (12) at one end of the connecting pipe (11) close to the liquid adding pipe (3), the left side of the storage device (16) is provided with a gas phase mass flow meter (13) at one end of the connecting pipe (11) close to the air return pipe (5), the right side of the storage device (16) is provided with a first control valve (14) on the connecting pipe (11), the left side of the storage device (16) is provided with a second control, the rear end of the storage (16) is positioned in the shell (1) and is internally provided with a refrigerator (17), and the pressure regulating pipe (10) is provided with a pressure release valve (18).
2. The metering and calibrating device for the liquefied natural gas filling machine according to claim 1, wherein the liquid filling pipe (3), the gas return pipe (5) and the pressure regulating pipe (10) are fixedly connected with the shell (1).
3. The lng dispenser metering and calibrating device according to claim 1, wherein the storage container (16) is a filling body, and the diameter and length of the storage container (16) are respectively smaller than the height and length of the housing (1).
4. The LNG dispenser metering and calibrating device according to claim 1, wherein the return pipe (5) and the storage container (16) are connected in the same manner as the filling pipe (3) and the storage container (16).
5. The LNG dispenser metering verification device according to claim 1, wherein the first control valve (14) is located at a rear side of the liquid phase mass flow meter (12), and the first control valve (14) is located near a right end of the storage (16).
6. The metering and calibrating device for the liquefied natural gas dispenser according to claim 1, wherein the second control valve (15) is located at the rear side of the gas phase mass flow meter (13), and the second control valve (15) is close to the right end of the storage (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632093.7U CN212843881U (en) | 2020-08-08 | 2020-08-08 | Metering and calibrating device for liquefied natural gas dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632093.7U CN212843881U (en) | 2020-08-08 | 2020-08-08 | Metering and calibrating device for liquefied natural gas dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843881U true CN212843881U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021632093.7U Expired - Fee Related CN212843881U (en) | 2020-08-08 | 2020-08-08 | Metering and calibrating device for liquefied natural gas dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212843881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993398A (en) * | 2022-08-03 | 2022-09-02 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
-
2020
- 2020-08-08 CN CN202021632093.7U patent/CN212843881U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993398A (en) * | 2022-08-03 | 2022-09-02 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
| CN114993398B (en) * | 2022-08-03 | 2022-10-18 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210330 Termination date: 20210808 |