CN210196984U

CN210196984U - LNG gas station with intelligence control system

Info

Publication number: CN210196984U
Application number: CN201920999636.XU
Authority: CN
Inventors: Chendong Wu; 吴宸栋; Zhirui Wu; 吴志锐; Bo Li; 李波; Ying Xiong; 熊英
Original assignee: Henan Jari Special Equipment Co Ltd
Current assignee: Henan Jari Special Equipment Co Ltd
Priority date: 2019-06-30
Filing date: 2019-06-30
Publication date: 2020-03-27
Anticipated expiration: 2029-06-30

Abstract

The utility model provides an LNG gas station with an intelligent control system, which comprises an LNG storage and transportation tank, wherein a feed pipe and a discharge pipe are branched from the LNG storage and transportation tank, the other end of the feed pipe is used for being connected with a tank car, and the other end of the discharge pipe is connected to a small LNG storage and transportation tank; the small LNG storage and transportation tank pipeline is connected to the gas filling island; electromagnetic control devices and data acquisition devices are arranged on the feeding pipe, the discharging pipe, the small LNG storage and transportation tank and the gas filling island, the electromagnetic control devices and the data acquisition devices are electrically connected to a PLC (programmable logic controller) arranged on a gas filling station site, and the PLC is in communication connection with a mobile terminal; the utility model discloses a set up some solenoid electric device and data acquisition device at the gas station scene, make the operation personnel can carry out the relevant work of gas station, labour saving and time saving under safe environment.

Description

LNG gas station with intelligence control system

Technical Field

The utility model relates to a natural gas field, concretely relates to LNG gas station with intelligent control system.

Background

With the development of the internet of things technology and the embedded technology, the intelligent measurement and control technology is widely applied to more and more fields, and the intelligent measurement and control technology has the main function of collecting data and controlling equipment in dangerous and miscellaneous environments. As a novel industry in recent years, the gas station has the advantages of energy conservation and emission reduction which are gradually accepted by the public, however, due to some properties of natural gas, the gas station has certain dangerousness in operation and management.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LNG gas station with intelligence control system to avoid carrying out data acquisition or the danger that exists when controlling to the relevant equipment of gas station, concrete scheme is as follows:

an LNG gas station provided with an intelligent control system comprises an LNG storage and transportation tank, wherein a feed pipe and a discharge pipe are branched from the LNG storage and transportation tank, the other end of the feed pipe is used for being connected with a tank car, and the other end of the discharge pipe is connected to a small LNG storage and transportation tank; the small LNG storage and transportation tank pipeline is connected to the gas filling island; the feeding pipe is provided with a purity detector, a first flowmeter and a first electromagnetic switch; the LNG storage and transportation tank is provided with a pressure sensor and a first liquid level meter; a second electromagnetic switch is arranged on the discharge pipe; the small LNG storage and transportation tank is provided with a second pressure sensor and a second liquid level meter; a second flowmeter and a third electromagnetic switch are arranged on the gas filling island; the first liquid level meter, the second liquid level meter, the first flow meter, the second flow meter, the first pressure sensor, the second pressure sensor, the first electromagnetic switch, the second electromagnetic switch and the third electromagnetic switch are electrically connected to a PLC controller arranged on the gas station site, and the PLC controller is in communication connection with the mobile terminal.

Based on the above, the LNG storage and transportation tank, the small LNG storage and transportation tank and the gas filling island are respectively provided with a first detector, a second detector and a third detector for detecting open fire, the LNG storage and transportation tank, the small LNG storage and transportation tank and the gas filling island are respectively provided with a first fire extinguisher, a second fire extinguisher and a third fire extinguisher for extinguishing fire, and the first detector, the second detector and the third detector, the first fire extinguisher, the second fire extinguisher and the third fire extinguisher are all electrically connected to the PLC controller.

Based on the above, a touch control screen is arranged on the PLC controller; and the PLC controller and the mobile terminal are both provided with voice alarms.

Based on the above, inlet pipe and tank wagon flange joint.

The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:

1. the LNG gas station provided with the intelligent control system comprises an LNG storage and transportation tank, wherein a feed pipe and a discharge pipe are branched from the LNG storage and transportation tank, the other end of the feed pipe is used for being connected with a tank car, and the other end of the discharge pipe is connected to a small LNG storage and transportation tank; the small LNG storage and transportation tank pipeline is connected to the gas filling island; through set up some solenoid operated devices and data acquisition device on the inlet pipe, on the discharging pipe, on small-size LNG storage and transportation jar, on the gas filling island, and the equal electric connection of these solenoid operated devices and data acquisition device sets up the PLC controller at the gas station scene, PLC controller communication is connected to mobile terminal, and this kind of structural design not only makes the operation personnel can carry out relevant operation to the gas station under the secure environment, moreover labour saving and time saving more.

2. The utility model discloses a set up first detector, second detector and the third detector that is used for surveying naked light on LNG warehousing and transportation jar, small-size LNG storage and transportation jar and air entrainment island respectively, still be equipped with first fire extinguisher, second fire extinguisher and the third fire extinguisher that is used for putting out a fire respectively on LNG warehousing and transportation jar, small-size LNG storage and transportation jar and air entrainment island in addition, and the equal electric connection of these detectors and fire extinguisher to the PLC controller to this realizes providing the guarantee to the fire control safety of gas station.

Drawings

Fig. 1 is a schematic view of the field structure of the present invention.

Fig. 2 is a system control diagram of the present invention.

In the figure: 1. tank car; 2. a first flow meter; 3. a purity detector; 4. a first electromagnetic switch; 5, LNG storage and transportation tank; 6. a first pressure sensor; 7. a first liquid level meter; 8. a second electromagnetic switch; 9. a small LNG storage and transportation tank; 10. a second level gauge; 11. a second pressure sensor; 12. an air-entrapping island; 13. a second flow meter; 14. a third electromagnetic switch; 15. inflating a vehicle; 16, a PLC controller; 17. a mobile terminal; 18. a first detector; 19. a second detector; 20. a third detector; 21. a first fire extinguisher; 21. a second fire extinguisher; 21. a third fire extinguisher; 24. a feed pipe; 25. a flange plate; 26. and (4) discharging the pipe.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in fig. 1-2, the utility model provides a LNG gas station with intelligent control system, including LNG storage and transportation tank 5, LNG storage and transportation tank 5 branches out a feed pipe 24 for filling LNG into LNG storage and transportation tank 5 and a discharge pipe 26 for discharging LNG from LNG storage and transportation tank 5, the other end of feed pipe 24 is connected with tanker 1 through flange 25, the other end of discharge pipe 26 is connected to small-size LNG storage and transportation tank 9; the small LNG storage and transportation tank 9 is connected to the gas filling island 12 through a pipeline, and the gas filling island 12 is used for filling gas into the gas filling vehicle 15.

In order to realize intelligent control on some common operations of the gas station, a plurality of data acquisition devices and electromagnetic control devices are specially installed on the gas station. A purity detector 3 for monitoring the purity of the LNG, a first flow meter 2 for measuring the LNG filling amount value of the tank car 1 into the LNG storage tank 5 and a first electromagnetic switch 4 for controlling the on-off of the feed pipe 24 are arranged on the feed pipe 24; the LNG storage and transportation tank 5 is provided with a pressure sensor for monitoring the pressure in the tank body and a first liquid level meter 7 for measuring the liquid level of the LNG in the tank body; a second electromagnetic switch 8 for controlling the on-off of the discharge pipe 26 is arranged on the discharge pipe 26; the small LNG storage and transportation tank 9 is provided with a second pressure sensor 11 for measuring the internal pressure of the tank body and a second liquid level meter 10 for measuring the LNG liquid level in the tank body; the gas filling island 12 is provided with a second flowmeter 13 for measuring the flow of the LNG and a third electromagnetic switch 14 for controlling the on-off of the flow of the LNG; the first liquid level meter 7, the second liquid level meter 10, the first flow meter 2, the second flow meter 13, the first pressure sensor 6, the second pressure sensor 11, the first electromagnetic switch 4, the second electromagnetic switch 8 and the third electromagnetic switch 14 are all electrically connected to a PLC controller 16 arranged on the gas station site, the PLC controller 16 is in communication connection with a mobile terminal 17, and the mobile terminal 17 is preferably a smart phone.

In addition, in order to facilitate fire control management and control of the gas station, the LNG storage and transportation tank 5, the small LNG storage and transportation tank 9 and the gas filling island 12 are respectively provided with a first detector 18, a second detector 19 and a third detector 20 for detecting open fire, and the detectors respectively comprise probes covering the whole bodies of the LNG storage and transportation tank 5, the small LNG storage and transportation tank 9 and the gas filling island 12; the LNG storage and transportation tank 5, the small LNG storage and transportation tank 9 and the gas filling island 12 are also respectively provided with a first fire extinguisher 21, a second fire extinguisher 22 and a third fire extinguisher 23 which are used for fire extinguishing, the fire extinguishers are dry powder fire extinguishers, and the spraying points also respectively cover the whole body of the LNG storage and transportation tank 5, the whole body of the small LNG storage and transportation tank 9 and the whole body of the gas filling island 12; the first detector 18, the second detector 19, the third detector 20, the first fire extinguisher 21, the second fire extinguisher 22 and the third fire extinguisher 23 are all electrically connected to the PLC controller 16.

In order to control the PLC controller 16 conveniently, the PLC controller 16 is further provided with a touch control screen; and the PLC controller 16 and the mobile terminal 17 are both provided with voice alarms aiming at relevant faults.

It should be noted that, the utility model discloses well PLC controller 16 and mobile terminal 17 all can be controlled the on-the-spot relevant equipment of gas station.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a LNG gas station with intelligence control system which characterized in that: the LNG storage and transportation system comprises an LNG storage and transportation tank, wherein a feeding pipe and a discharging pipe are branched from the LNG storage and transportation tank, the other end of the feeding pipe is used for being connected with a tank car, and the other end of the discharging pipe is connected to a small LNG storage and transportation tank; the small LNG storage and transportation tank pipeline is connected to the gas filling island; the feeding pipe is provided with a purity detector, a first flowmeter and a first electromagnetic switch; the LNG storage and transportation tank is provided with a pressure sensor and a first liquid level meter; a second electromagnetic switch is arranged on the discharge pipe; the small LNG storage and transportation tank is provided with a second pressure sensor and a second liquid level meter; a second flowmeter and a third electromagnetic switch are arranged on the gas filling island; the first liquid level meter, the second liquid level meter, the first flow meter, the second flow meter, the first pressure sensor, the second pressure sensor, the first electromagnetic switch, the second electromagnetic switch and the third electromagnetic switch are electrically connected to a PLC controller arranged on the gas station site, and the PLC controller is in communication connection with the mobile terminal.

2. LNG filling station provided with an intelligent handling system according to claim 1, characterized in that: the LNG storage and transportation tank, the small LNG storage and transportation tank and the gas filling island are respectively provided with a first detector, a second detector and a third detector for detecting open fire, the LNG storage and transportation tank, the small LNG storage and transportation tank and the gas filling island are respectively provided with a first fire extinguisher, a second fire extinguisher and a third fire extinguisher for extinguishing fire, and the first detector, the second detector and the third detector, the first fire extinguisher, the second fire extinguisher and the third fire extinguisher are all electrically connected to the PLC controller.

3. LNG filling station provided with an intelligent handling system according to claim 2, characterized in that: a touch control screen is arranged on the PLC controller; and the PLC controller and the mobile terminal are both provided with voice alarms.

4. LNG filling station provided with an intelligent handling system according to claim 1, characterized in that: the feed pipe is connected with a tank car flange.