CN203322729U - Pressure measuring device of LNG (Liquefied Natural Gas) adding station - Google Patents
Pressure measuring device of LNG (Liquefied Natural Gas) adding station Download PDFInfo
- Publication number
- CN203322729U CN203322729U CN2013203219986U CN201320321998U CN203322729U CN 203322729 U CN203322729 U CN 203322729U CN 2013203219986 U CN2013203219986 U CN 2013203219986U CN 201320321998 U CN201320321998 U CN 201320321998U CN 203322729 U CN203322729 U CN 203322729U
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- pressure
- immersed pump
- pressure measuring
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Abstract
The utility model relates to a pressure measuring device of an LNG (Liquefied Natural Gas) adding station. The pressure measuring device comprises an immersed pump pond, an immersed pump, an instrument panel and an electric control cabinet, wherein the immersed pump pond is provided with a liquid inlet pipe, an inlet stop valve, an inlet pressure measuring valve, a gas returning pipe, a low-temperature pneumatic shut-off valve and an immersed pump pond pressure measuring valve, respectively, the inlet stop valve and the inlet pressure measuring valve are arranged on the liquid inlet pipe, the low-temperature pneumatic shut-off valve and the immersed pump pond pressure measuring valve are arranged on the gas returning pipe, the immersed pump is immersed into the immersed pump pond, and an outlet low-temperature check valve, an outlet pressure measuring valve and an outlet stop valve are respectively arranged on a liquid outlet pipe of the immersed pump; three pressure gages and pressure transmitters are arranged on the instrument panel, the pressure gages are connected with the inlet pressure measuring valve, the immersed pump pond pressure measuring valve and the outlet pressure measuring valve respectively through a pipeline, and the immersed pump and the pressure transmitters are respectively connected with the electric control cabinet through a lead. The pressure measuring device has the advantage that the pressure gages and the pressure transmitters are arranged away from a pressure measuring site, and also has the advantages of being simple in structure, low in cost and safe and reliable in operation, having functions of in-situ displaying and remote-transmission displaying of pressure of the LNG adding station and being suitable for all places required to be subjected to pressure measurement in the LNG adding station.
Description
(1) technical field
The utility model relates to LNG liquid filling station equipment, particularly a kind of pressure obtaning device of LNG liquid filling station.
(2) background technique
The continuous supercharging of China LNG liquid filling station quantity at present, however the ways of measure pressure of LNG liquid filling station is also continuing the ways of measure pressure of LNG vaporizing station in the past, and soon pressure gauge and pressure transmitter are placed directly in and are placed on pressure point place.Because it is all low temperature LNG that the LNG liquid filling station requires in pipeline, if also according to former mode pressure, frosting will produce a large amount of frosts near pressure gauge, will increase the requirement of pressure gauge and pressure transmitter, because near pressure gauge and pressure transmitter, will cause maintenance inconvenient.
(3) model utility content
The purpose of this utility model is for above-mentioned existing problems, provides a kind of rational in infrastructure, easy to use and be convenient to the pressure obtaning device of LNG liquid filling station of maintenance.
The technical solution of the utility model:
A kind of pressure obtaning device of LNG liquid filling station, comprise immersed pump pond, immersed pump, instrument front and electrical control cabinet, the immersed pump pond is seal container, the immersed pump pond is respectively equipped with inlet shutoff valve and the low temperature pneumatic cut-off valve on import pressure measuring valve, muffler and pipeline and the immersed pump pond pressure measuring valve on liquid inlet pipe and pipeline, immersed pump is immersed in the immersed pump pond, is respectively equipped with outlet low temperature safety check, outlet pressure measuring valve and outlet shutoff valve on the immersed pump drain pipe; Instrument front be provided with three pressure gauges and with the pressure transmitter of its coupling, three pressure gauges are connected with import pressure measuring valve, immersed pump pond pressure measuring valve and outlet pressure measuring valve respectively by pipeline, and immersed pump is connected with electrical control cabinet respectively by wire with pressure transmitter.
Working procedure of the present utility model:
First by immersed pump inlet valve, immersed pump return air valve and all pressure valve opens, LNG enters the immersed pump pond by inlet shutoff valve, after connecting the power supply in electrical control cabinet, open immersed pump, system brings into operation, and can see in instrument front and electrical control the force value of all pressure points cashier's office in a shop.
The utility model has the advantages that: this device by pressure gauge and pressure transmitter away from the pressure point, simple in structure, cost is low, safe and reliable to operation, possess the on-the-spot demonstration of pressure of LNG liquid filling station and the function that teletransmission shows, be applicable to all places that require pressure on the LNG liquid filling station.
(4) accompanying drawing explanation
The pressure obtaning device schematic diagram that accompanying drawing is this LNG liquid filling station.
In figure: 1. immersed pump pond 2. immersed pump 3. instrument front 4. electrical control cabinet 5. inlet shutoff valve 6. import pressure measuring valve 7. low temperature pneumatic cut-off valve 8. immersed pump pond pressure measuring valve 9. outlet low temperature safety check 10. export pressure measuring valve 11. outlet shutoff valve 12. pressure gauge 13. pressure transmitters
(5) embodiment
Embodiment:
A kind of pressure obtaning device of LNG liquid filling station, comprise immersed pump pond 1, immersed pump 2, instrument front 3 and electrical control cabinet 4, immersed pump pond 1 is seal container, immersed pump pond 1 is respectively equipped with inlet shutoff valve 5 and the low temperature pneumatic cut-off valve 7 on import pressure measuring valve 6, muffler and pipeline and the immersed pump pond pressure measuring valve 8 on liquid inlet pipe and pipeline, immersed pump 2 is immersed in immersed pump pond 1, is respectively equipped with outlet low temperature safety check 9, outlet pressure measuring valve 10 and outlet shutoff valve 11 on immersed pump 2 drain pipes; Instrument front 3 be provided with three pressure gauges 12 and with the pressure transmitter 13 of its coupling, three pressure gauges 12 are connected with import pressure measuring valve 6, immersed pump pond pressure measuring valve 8 and outlet pressure measuring valve 10 respectively by pipeline, and immersed pump 2 is connected with electrical control cabinet 4 respectively by wire with pressure transmitter 13.
In this embodiment, cryogenic globe valve DJ61F-40P, immersed pump IBZ-12/220.
This embodiment is simple in structure, cost is low, safe and reliable to operation, be applicable to all places that require pressure on the LNG liquid filling station.
Claims (1)
1. the pressure obtaning device of a LNG liquid filling station, it is characterized in that: comprise immersed pump pond, immersed pump, instrument front and electrical control cabinet, the immersed pump pond is seal container, the immersed pump pond is respectively equipped with inlet shutoff valve and the low temperature pneumatic cut-off valve on import pressure measuring valve, muffler and pipeline and the immersed pump pond pressure measuring valve on liquid inlet pipe and pipeline, immersed pump is immersed in the immersed pump pond, is respectively equipped with outlet low temperature safety check, outlet pressure measuring valve and outlet shutoff valve on the immersed pump drain pipe; Instrument front be provided with three pressure gauges and with the pressure transmitter of its coupling, three pressure gauges are connected with import pressure measuring valve, immersed pump pond pressure measuring valve and outlet pressure measuring valve respectively by pipeline, and immersed pump is connected with electrical control cabinet respectively by wire with pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203219986U CN203322729U (en) | 2013-06-05 | 2013-06-05 | Pressure measuring device of LNG (Liquefied Natural Gas) adding station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203219986U CN203322729U (en) | 2013-06-05 | 2013-06-05 | Pressure measuring device of LNG (Liquefied Natural Gas) adding station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322729U true CN203322729U (en) | 2013-12-04 |
Family
ID=49662080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203219986U Expired - Fee Related CN203322729U (en) | 2013-06-05 | 2013-06-05 | Pressure measuring device of LNG (Liquefied Natural Gas) adding station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483883A (en) * | 2019-09-12 | 2021-03-12 | 安瑞科(廊坊)能源装备集成有限公司 | LNG gas station |
| CN113944634A (en) * | 2021-10-14 | 2022-01-18 | 重庆耐德能源装备集成有限公司 | Automatic precooling control system and control method for LNG (liquefied Natural gas) filling immersed pump |
-
2013
- 2013-06-05 CN CN2013203219986U patent/CN203322729U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483883A (en) * | 2019-09-12 | 2021-03-12 | 安瑞科(廊坊)能源装备集成有限公司 | LNG gas station |
| CN113944634A (en) * | 2021-10-14 | 2022-01-18 | 重庆耐德能源装备集成有限公司 | Automatic precooling control system and control method for LNG (liquefied Natural gas) filling immersed pump |
| CN113944634B (en) * | 2021-10-14 | 2023-08-08 | 重庆耐德能源装备集成有限公司 | Automatic precooling control system and control method for LNG filling immersed pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160605 |