A system for natural gas dispatch operations

Abstract

The utility model relates to natural gas scheduling technical field provides a kind of system for natural gas scheduling operation, comprising: data acquisition module, including multiple field devices and third party equipment, gather natural gas process operation equipment state information;Communication server is connected with data acquisition module, receives the data information collected by data acquisition module and uploads to control center;The control center includes data monitoring switch, database server and station operating station, real-time monitoring and store the collected data;The database server is connected with data monitoring switch, and the station operating station is connected with communication server, and the communication server is connected with data monitoring switch;Data unified inquiry platform is connected with control center, and real-time required data is obtained.The utility model solves the problem that each item of material in the process of natural gas scheduling operation is more complex, and the safety is lower.

Description

Technical Field

[0001] This utility model relates to the field of natural gas dispatching technology, and in particular to a system for natural gas dispatching and operation. Background Technology

[0002] Dispatchers at natural gas control centers play a crucial role in natural gas pipeline transportation operations. They must be thoroughly familiar with basic pipeline operations, on-site processes, emergency response procedures, and all relevant regulations. In practice, understanding the pipeline and on-site processes requires consulting process flow diagrams, equipment ledgers, and other documents. Understanding pipeline operations necessitates using formulas for pipeline inventory calculations and average pressure calculations. They also need to review relevant operational regulations. Furthermore, in the event of an emergency, they must immediately locate the relevant on-site personnel and report to their superiors.

[0003] The existing scheduling system has the following problems:

[0004] (1) The existing scheduling system lacks a unified hardware interface and data conversion module for data acquisition, resulting in a complex data acquisition link.

[0005] (2) The decentralized data transmission links cause dispatchers to frequently switch between multiple platforms to query different information, significantly increasing the consumption of hardware resources.

[0006] (3) The existing scheduling system network layer relies on only a single layer of firewall hardware, which poses a risk of data leakage or tampering. Utility Model Content

[0007] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a system for natural gas dispatching and operation. This system solves the problems of dispersed data acquisition and transmission equipment and weak security protection in the natural gas dispatching and operation process by integrating and optimizing data acquisition equipment and data transmission links.

[0008] The solution adopted in this utility model is as follows:

[0009] A system for natural gas dispatching operations, the system comprising:

[0010] The data acquisition module includes multiple field devices and third-party devices to collect status information of natural gas process operating equipment;

[0011] The communication server is connected to the data acquisition module, receives the data information collected by the data acquisition module, and uploads it to the control center.

[0012] The control center includes a data monitoring switch, a database server, and a field operation station, which monitors and stores the collected data in real time; the database server is connected to the data monitoring switch, the field operation station is connected to the communication server, and the communication server is connected to the data monitoring switch.

[0013] A unified data query platform connects to the control center to obtain the required data in real time.

[0014] Furthermore, the field equipment includes pipeline condition monitoring equipment, valve condition monitoring equipment, compressor condition monitoring equipment, and pump condition monitoring equipment; the information collected by the field equipment is connected to the logic controller in the form of electrical signals, the logic controller is connected to the process control system and the safety instrumented system, and transmitted to the communication server.

[0015] Furthermore, the third-party device includes a combustible gas alarm and an uninterruptible power supply; the third-party device is connected to a serial port server via a serial communication protocol, and the serial port server is connected to a communication server.

[0016] Furthermore, the communication server converts the data information into the IEC104 protocol, which is then transmitted via a router to the data monitoring switch through an optical transmission device.

[0017] Furthermore, the database server includes a relational database server, a document database server, and a GIS database server, each equipped with a real-time data update unit to manage the relational database, document database, and GIS database respectively.

[0018] Furthermore, the relational database server is also equipped with a built-in computing unit, which is connected to the relational database.

[0019] Furthermore, the data in the relational database includes natural gas process operating parameters; the data in the document database includes natural gas process equipment parameters, dispatcher information, system information, and station basic information; and the data in the GIS database includes pipeline operating parameters.

[0020] Furthermore, the unified data query platform includes a site computer, a human-machine interface, and a remote terminal, all of which obtain data stored in the dispatch center through an OPC client.

[0021] Furthermore, the control center is equipped with multiple firewalls to ensure the security of data transmission.

[0022] Furthermore, the control center also includes a historical data server, an alarm server, a clock server, and a security audit and intrusion detection module, which are connected to the field operation station respectively.

[0023] The beneficial effects of this utility model are as follows:

[0024] This system connects to data acquisition devices via a unified communication server and integrates multiple information query modules, including process operation, pipeline operation parameters, process equipment, emergency response, and policy information. Through a unified data query platform, dispatchers can quickly access the latest data. The system can also read alarm data, filter important alarms, and alert the responsible dispatchers, ensuring a rapid response in the event of an emergency.

[0025] This utility model's relational database server has a built-in computing unit and pre-configured known formulas. By collecting field data and input parameters published by the SCADA system OPC server, it can automatically calculate parameters such as pipeline volume, pipe stock, flow velocity, and operating flow rate, effectively reducing the calculation time of multiple systems and the error of manual calculation, and improving the working efficiency of the control center.

[0026] The entire system of this invention is protected by multiple layers of firewalls and routers, and a security audit and intrusion detection module is integrated into the data monitoring switch to ensure the security of data transmission.

[0027] The data monitoring switch of this utility model serves as the core of the dispatch center, connecting multiple servers and communication devices to ensure efficient data transmission and processing.

[0028] Advantages of the present invention in additional aspects will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0029] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0030] Figure 1 This is a schematic diagram of the system structure for natural gas dispatching and operation in an embodiment of this utility model;

[0031] Figure 2 This is a schematic diagram of the data acquisition module device in an embodiment of this utility model;

[0032] Figure 3 This is a schematic diagram of the unified data query platform in this embodiment of the present utility model;

[0033] Figure 4 This is a schematic diagram of the database server in an embodiment of this utility model.

[0034] The components are as follows: 1-Data Acquisition Module, 101-Field Equipment, 102-Third-Party Equipment, 2-Communication Server, 3-Control Center, 4-Unified Data Query Platform, 401-Computer, 402-Human-Machine Interface, 403-Remote Terminal, 5-Data Monitoring Switch, 6-Database Server, 601-Relational Database Server, 602-Document Database Server, 603-GIS Database Server, 7-Site Operation Station, 8-Historical Data Server, 9-Alarm Server, 10-Clock Server, 11-Security Audit and Intrusion Detection Module, 12-OPC Client, 13-Firewall. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. It should be noted that the following detailed descriptions are exemplary and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0036] It should be noted that the terminology used herein is for the purpose of describing particular implementations only and is not intended to limit the exemplary implementations according to this utility model.

[0037] like Figure 1 As shown, a system for natural gas dispatching and operation includes a data acquisition module 1, a communication server 2, a control center 3, and a unified data query platform 4.

[0038] Specifically, the data acquisition module 1 includes multiple field devices 101 and third-party devices 102, electrically connected to the communication server, for collecting operating status information of natural gas process equipment. The field devices 101 include pipeline status monitoring devices, valve status monitoring devices, compressor status monitoring devices, and pump status monitoring devices. The third-party devices 102 include combustible gas detectors and uninterruptible power supplies.

[0039] In this embodiment, the pipeline condition monitoring equipment includes: a pressure transmitter for monitoring pressure changes within the pipeline; a temperature transmitter for monitoring temperature changes of the medium within the pipeline; and a flow sensor for measuring the flow rate of the medium within the pipeline. The condition monitoring equipment also includes: a position sensor for monitoring the on / off status and position of valves, accurately determining the valve opening degree, helping to determine whether the valve opening degree is within a safe range and meets production requirements, providing a basis for valve opening and closing. The compressor condition monitoring equipment includes: a voltage sensor for monitoring the compressor's voltage; a current sensor for monitoring changes in the compressor's current; and a speed sensor for measuring the compressor's speed, helping to determine whether the operating speed is normal. The pump condition monitoring equipment includes: a vibration sensor for monitoring the pump's vibration state, helping to determine if the pump has mechanical faults; a level sensor for monitoring the liquid level height, preventing the pump from sucking in air or running dry; and a leakage sensor for monitoring pump leakage, avoiding environmental pollution and equipment damage.

[0040] Communication server 2 is connected to data acquisition module 1, receives data information collected by data acquisition module 1 and uploads it to control center 3.

[0041] Specifically, field device 101 collects information and connects it to the logic controller in the form of electrical signals. The logic controller connects to the process control system (PCS) and the safety instrumented system (SIS) and transmits the data to the communication server 2. Third-party device 102 connects to the serial port server via a serial communication protocol, and the serial port server connects to the communication server. In this embodiment, the logic controller is a programmable logic controller (PLC), the serial communication protocol is RS485 signals, and the data is transmitted to the SCADA (Supervisory Control and Data Acquisition) system communication server.

[0042] In this embodiment, data parameters are transmitted from the data acquisition module to the dispatch center, or from the dispatch center to other devices, or between devices in the dispatch center, all via wired (e.g., Ethernet) or wireless (e.g., 4G / 5G IoT) networks.

[0043] The control center 3 includes a data monitoring switch 5, a database server 6, and a field operation station 7, which monitors and stores the collected data in real time. The database server 6 is connected to the data monitoring switch 5, the field operation station 7 is connected to the communication server 2, and the communication server 2 is connected to the data monitoring switch 5. The communication server 2 converts the data information into IEC104 protocol, which is then transmitted to the data monitoring switch 5 via an optical transmission device through a router 5. In this embodiment, the optical transmission device includes an optical fiber, an optical transmitter, an optical receiver, and an optical switch.

[0044] As a key network device in the SCADA system, the data monitoring switch 5 supports multiple interfaces and protocols through high-speed data transmission and stable network connection. It enables interconnection and interoperability of various devices within the control center 3, supports real-time data acquisition and transmission, and also has network management and security protection functions.

[0045] Database server 6 includes relational database server 601, document database server 602, and GIS database server 603, which respectively manage relational databases (such as MySQL and PostgreSQL), document databases (such as MongoDB), and GIS databases (such as PostGIS and ArcSDE).

[0046] The relational database server 601 also has a built-in computing unit that connects to a relational database. It has pre-set formulas for calling on field data such as pipeline operating pressure, temperature, and flow rate received by the data monitoring switch 5, as well as existing formulas, to calculate parameters such as pipeline volume, pipe stock, pipeline velocity, and operating flow rate. It can also manually input parameters to perform offline calculations of parameters such as average pipeline pressure, pipeline velocity, pipeline cross-sectional area, pipeline volume, pipe stock, pipeline differential pressure, and operating condition conversion. This effectively reduces the calculation time of multiple systems and the error of manual calculations, improving the efficiency of the control center's shift work.

[0047] For example, input the on-site collected data: pipeline starting pressure P1 and pipeline ending pressure P2. Then, utilize the known formulas contained within the built-in computing unit:

[0048]

[0049] The average pressure P in the pipeline can then be obtained. avg The data is then stored in a relational database.

[0050] Specifically, the data in the relational database includes natural gas process operating parameters, including but not limited to pressure, flow rate, temperature, process equipment operating status, average pipeline pressure, pipeline velocity, pipeline cross-sectional area, pipeline volume, pipeline inventory, pipeline transport differential, and operating condition / standard condition conversion parameters.

[0051] The document database contains data including natural gas process equipment parameters, dispatcher information, policy information, and basic station information. Natural gas process equipment parameters include, but are not limited to, process flow diagrams, equipment ledgers, and station modification logs for each station, facilitating timely understanding of station operation, modification status, and equipment parameters. Dispatcher information includes, but is not limited to, contact information, positions, and responsibilities of company leaders, personnel in emergency response organizations of various units, and personnel from various units, their affiliated management offices, stations, patrol teams, and users. This facilitates rapid identification of responsible personnel in the event of an emergency and allows for timely reporting to company leaders and issuing warnings to emergency response organizations and downstream users as required by the emergency command center. Policy information includes, but is not limited to, relevant policies issued by the natural gas branch company and its secondary units, facilitating analysis of policy requirements for actual situations and issuing correct dispatch instructions based on the relevant content in the policy appendices. Basic station information includes, but is not limited to, information on various areas and basic facilities of the station.

[0052] The GIS database contains pipeline operation parameters, including but not limited to pipeline route maps, distances between stations and valve chambers, pipeline diameter, wall thickness, operating pressure range, high and low operating pressure limits, and pipeline rerouting logs. Information can be stored in geospatial data format.

[0053] The relational database server 601, document database server 602, and GIS database server 603 all have internal real-time data update units, are configured with Oracle GoldenGate (a high-performance data integration and replication tool), and have preset data management processes, enabling them to update data in real time to ensure the timeliness and accuracy of the data.

[0054] The control center 3 also includes a historical data server 8, an alarm server 9, a clock server 10, and a security audit and intrusion detection module 11, all connected to the field operation station 7. Specifically,

[0055] Historical data server 8 is used to store and manage historical data; alarm server 9 is used to monitor on-site data and alarm for abnormal data; clock server 10 is used to provide a unified time reference for the control center to ensure time synchronization of all devices in the system; security audit and intrusion detection module 11 monitors the network in real time, and combines protocol analysis and intrusion detection engine to detect and accurately discover network risks and attack behaviors in the network in a timely manner, thereby quickly identifying security threats and risks.

[0056] The unified data query platform 4 includes a station computer 401, a human-machine interface 402, and a remote terminal 403, all of which obtain data stored in the dispatch center 3 through the OPC client 12. Required information such as natural gas operation process flow diagrams, equipment parameters, pipeline conditions, and regulatory requirements can be queried through a unified entry point on the unified data query platform 4, ensuring that the queried information is up-to-date and reducing the time spent searching for multiple documents for work purposes.

[0057] The control center 3 is equipped with multiple firewalls 13 between the data acquisition module 1 and the unified data query platform 4 to ensure the security of data transmission.

[0058] In this embodiment, the specific working process of the system used for natural gas dispatching and operation includes:

[0059] The system collects data from field devices 101 and third-party devices 102 via data acquisition module 1, and transmits it to the control center 3 via communication server 2. Control center 3, through data monitoring switch 5, database server 6, station operation station 7, historical data server 8, alarm server 9, clock server 10, and security audit and intrusion detection module 11, achieves real-time monitoring, data storage, data updates, parameter calculation, anomaly alarms, time synchronization, and network security protection for natural gas dispatch operations. Unified data query platform 4 obtains data from control center 3 through OPC client 12, providing a unified query entry point for convenient user query and analysis. It allows direct acquisition or manual input of parameter data (pressure, etc.) for calculating other parameters (average pressure, etc.).

[0060] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A system for natural gas dispatching and operation, characterized in that, The system includes: The data acquisition module includes multiple field devices and third-party devices to collect status information of natural gas process operating equipment; The communication server is connected to the data acquisition module, receives the data information collected by the data acquisition module, and uploads it to the control center. The control center includes a data monitoring switch, a database server, and a field operation station, which monitors and stores the collected data in real time; the database server is connected to the data monitoring switch, the field operation station is connected to the communication server, and the communication server is connected to the data monitoring switch. A unified data query platform connects to the control center to obtain the required data in real time.

2. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The field equipment includes pipeline condition monitoring equipment, valve condition monitoring equipment, compressor condition monitoring equipment, and pump condition monitoring equipment; the information collected by the field equipment is connected to the logic controller in the form of electrical signals, the logic controller is connected to the process control system and the safety instrumented system, and transmitted to the communication server.

3. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The third-party equipment includes a combustible gas alarm and an uninterruptible power supply; the third-party equipment is connected to a serial port server via a serial communication protocol, and the serial port server is connected to a communication server.

4. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The communication server converts the data information into the IEC104 protocol, which is then transmitted via a router and optical transmission equipment to the data monitoring switch.

5. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The database server includes a relational database server, a document database server, and a GIS database server, each with a real-time data update unit to manage the relational database, document database, and GIS database respectively.

6. A system for natural gas dispatching and operation as described in claim 5, characterized in that, The relational database server also has a built-in computing unit that connects to the relational database.

7. A system for natural gas dispatching and operation as described in claim 5, characterized in that, The relational database contains data including natural gas process operating parameters; the document database contains data including natural gas process equipment parameters, dispatcher information, system information, and station basic information; and the GIS database contains data including pipeline operating parameters.

8. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The unified data query platform includes a site computer, a human-machine interface, and a remote terminal, all of which obtain data stored in the dispatch center through an OPC client.

9. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The control center is equipped with multiple firewalls to ensure the security of data transmission.

10. A system for natural gas dispatching and operation as described in claim 1, characterized in that, The control center also includes a historical data server, an alarm server, a clock server, and a security audit and intrusion detection module, which are connected to the field operation station.

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