A natural gas quality detection system

Abstract

The utility model discloses a natural gas quality detection system, include: sampling pipe, its intercommunication natural gas pipeline, with natural gas pipeline sealed connection, is used for collecting natural gas sample from the pipeline, gas purification device sets up on sampling pipe, carries out filtration cleaning to the impurity in the collected natural gas, prevents the accuracy of influence detection, sensor component sets up on sampling pipe, and its detection probe extends to sampling pipe, analysis instrument is connected with sampling pipe, and is connected with sensor component, is used for monitoring analysis each index of natural gas, data processing unit is connected with analysis instrument and sensor component, is used for receiving sensor component and the data of analysis instrument, and monitors detection process, safety protection device sets up on sampling pipe, is used for preventing accidental leakage or system failure. The utility model discloses detection system has high precision, real -time nature and the advantage that environmental adaptability is strong.

Description

Technical Field

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

[0002] Natural gas, as an important energy source, plays a vital role in daily life and production processes. To assess the quality of natural gas, it is necessary to test it and obtain data on various indicators used to characterize its quality.

[0003] Existing technology involves sampling natural gas within a pipeline, then packaging the sample and transporting it to a laboratory. In the laboratory, testing equipment is used to analyze various indicators characterizing the quality of the natural gas sample. The inventors have discovered that this existing technology has at least the following problem: the quality of natural gas may change during packaging and transportation, leading to deviations in the obtained test data. Utility Model Content

[0004] The purpose of this invention is to provide a natural gas quality testing system to solve one or more of the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides a natural gas quality detection system, comprising: A sampling tube, which is connected to a natural gas pipeline and is sealed to the natural gas pipeline, is used to collect natural gas samples from the pipeline; A gas purification device is installed on the sampling tube to filter and clean impurities in the collected natural gas to prevent them from affecting the accuracy of the detection. A sensor assembly is disposed on the sampling tube, and its detection probe extends into the sampling tube; An analytical instrument, connected to the sampling tube and the sensor assembly, is used to monitor and analyze various indicators of natural gas. A data processing unit, connected to the analyzer and the sensor assembly, is used to receive data from the sensor assembly and the analyzer, and to monitor the detection process; A safety protection device is installed on the sampling tube to prevent accidental leakage or system failure.

[0006] Preferably, in the above-mentioned natural gas quality detection system, the sensor assembly includes: A gas sensor, mounted on the sampling tube and connected to the data processing unit, is used to detect the main components and impurities in natural gas. The types of gas sensors used include infrared sensors and catalytic combustion sensors. A gas flow meter, installed on the sampling tube and connected to the data processing unit, is used to measure the flow rate of natural gas, helping to analyze the flow characteristics and quality of the gas.

[0007] Preferably, in the above-mentioned natural gas quality detection system, the analytical instruments include: a gas chromatograph, an infrared spectrometer, a thermal conductivity detector, and a mass spectrometer, used to analyze various parameters detected by the instruments, such as methane content, hydrogen sulfide, carbon dioxide, and nitrogen.

[0008] Preferably, in the above-mentioned natural gas quality detection system, the data processing unit includes a data processor and a controller. The data processor is connected to the analysis instrument and the sensor assembly, performs data analysis and calculation, converts the sensor assembly data into readable quality indicators and transmits them to the controller. The controller is connected to the safety protection device and is used to receive and issue commands.

[0009] Preferably, in the above-mentioned natural gas quality detection system, the safety protection device includes an emergency shut-off valve and a pressure sensor, which are installed on the sampling tube. When an abnormal pressure is detected, the emergency shut-off valve is closed.

[0010] Therefore, this utility model presents a natural gas quality testing system with the above-described structure. Through the integration of multiple sensors, it improves testing accuracy and precision. It enables real-time monitoring, providing real-time test results and quality reports. Furthermore, it incorporates a pre-emptive protection device to monitor the system's normal operation, ensuring the safety of the testing process. When necessary, it can shut off gas flow to prevent accidents. A gas purification device filters impurities in the natural gas to ensure the accuracy of the test results. The system boasts advantages such as high precision, real-time performance, and strong environmental adaptability. Through the comprehensive application of multiple technologies, it overcomes the shortcomings of existing technologies and meets the needs of modern natural gas testing and monitoring.

[0011] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the natural gas quality testing system of this utility model. Detailed Implementation

[0013] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0014] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0015] See Figure 1 As shown, this application provides a natural gas quality detection system, including: Sampling tube 1, which is connected to a natural gas pipeline and is sealed to the natural gas pipeline, is used to collect natural gas samples from the pipeline; Gas purification device 2, installed on the sampling tube 1, filters and cleans impurities in the collected natural gas to prevent affecting the accuracy of the detection; Sensor assembly 3 is disposed on the sampling tube, and its detection probe extends into the sampling tube; Analytical instrument 4 is connected to the sampling tube and the sensor assembly, and is used to monitor and analyze various indicators of natural gas; The data processing unit 5 is connected to the analyzer and the sensor assembly, and is used to receive data from the sensor assembly and the analyzer, and to monitor the detection process. Safety protection device 6 is installed on the sampling tube 1 to prevent accidental leakage or system failure.

[0016] To further optimize the above technical solution, the sensor assembly includes: Gas sensor 31 is disposed on the sampling tube 1 and connected to the data processing unit. It is used to detect the main components and impurities in natural gas. The types of gas sensors used include infrared sensors and catalytic combustion sensors. A gas flow meter 32 is installed on the sampling tube 1 and connected to the data processing unit. It is used to measure the flow rate of natural gas and help analyze the flow characteristics and quality of the gas.

[0017] To further optimize the above technical solution, the analytical instruments include: a gas chromatograph 41, an infrared spectrometer 42, a thermal conductivity detector 43, and a mass spectrometer 44, used to analyze various parameters detected by the instruments, such as methane content, hydrogen sulfide, carbon dioxide, and nitrogen.

[0018] To further optimize the above technical solution, the data processing unit includes a data processor and a controller. The data processor is connected to the analytical instrument and the sensor assembly, performs data analysis and calculation, converts the sensor assembly data into readable quality indicators and transmits them to the controller. The controller is connected to the safety protection device and is used to receive and issue commands.

[0019] It should be noted that the data processing unit is equipped with a display screen that can show the detection results in real time and provide easy-to-understand reports and warning messages. It also has a communication interface for transmitting data to a remote monitoring system or central control room; common communication methods include wireless network, Bluetooth, and Ethernet.

[0020] To further optimize the above technical solution, the safety protection device includes an emergency shut-off valve 61 and a pressure sensor 62. The emergency shut-off valve 61 and the pressure sensor 62 are installed on the sampling tube 1. When an abnormal pressure is detected, the emergency shut-off valve 61 is closed.

[0021] Working principle: A natural gas sample is introduced into the system through sampling tube 1. After being processed by gas purification device 2, the sample is sent to the sensor assembly and analyzer. Sensor assembly 3 and analyzer 4 detect the main components and impurities in the sample in real time, and flow meter measures the natural gas flow rate. Data processing unit 5 receives data from the sensors, performs comprehensive analysis, and calculates the quality indicators of the natural gas. The processing results are displayed in real time on the screen. The system also transmits data to a remote monitoring system through a communication interface to achieve remote monitoring and management. A safety protection device 6 is set up so that when an abnormal pressure is detected, the controller controls the emergency shut-off valve to close.

[0022] Therefore, this utility model presents a natural gas quality testing system with the above-described structure. Through the integration of multiple sensors, it improves testing accuracy and precision. It enables real-time monitoring, providing real-time test results and quality reports. Furthermore, it incorporates a pre-emptive protection device to monitor the system's normal operation, ensuring the safety of the testing process. When necessary, it can shut off gas flow to prevent accidents. A gas purification device filters impurities in the natural gas to ensure the accuracy of the test results. The system boasts advantages such as high precision, real-time performance, and strong environmental adaptability. Through the comprehensive application of multiple technologies, it overcomes the shortcomings of existing technologies and meets the needs of modern natural gas testing and monitoring.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solution of this utility model, and these modifications or equivalent substitutions cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of this utility model.

Claims

1. A natural gas quality detection system, characterized in that, include: A sampling tube, which is connected to a natural gas pipeline and is sealed to the natural gas pipeline, is used to collect natural gas samples from the pipeline; A gas purification device is installed on the sampling tube to filter and clean impurities in the collected natural gas to prevent them from affecting the accuracy of the detection. A sensor assembly is disposed on the sampling tube, and its detection probe extends into the sampling tube; An analytical instrument, connected to the sampling tube and the sensor assembly, is used to monitor and analyze various indicators of natural gas. A data processing unit, connected to the analyzer and the sensor assembly, is used to receive data from the sensor assembly and the analyzer, and to monitor the detection process; A safety protection device is installed on the sampling tube to prevent accidental leakage or system failure.

2. The natural gas quality detection system according to claim 1, characterized in that, The sensor assembly includes: A gas sensor, mounted on the sampling tube and connected to the data processing unit, is used to detect the main components and impurities in natural gas. The types of gas sensors used include infrared sensors and catalytic combustion sensors. A gas flow meter, installed on the sampling tube and connected to the data processing unit, is used to measure the flow rate of natural gas, helping to analyze the gas flow characteristics and its quality.

3. The natural gas quality detection system according to claim 2, characterized in that, The analytical instruments include a gas chromatograph, an infrared spectrometer, a thermal conductivity detector, and a mass spectrometer, used to analyze various parameters detected by the instruments, such as methane content, hydrogen sulfide, carbon dioxide, and nitrogen.

4. The natural gas quality detection system according to claim 3, characterized in that, The data processing unit includes a data processor and a controller. The data processor is connected to the analytical instrument and the sensor assembly, performs data analysis and calculation, converts the sensor assembly data into readable quality indicators and transmits them to the controller. The controller is connected to the safety protection device and is used to receive and issue commands.

5. A natural gas quality detection system according to claim 4, characterized in that, The safety protection device includes an emergency shut-off valve and a pressure sensor, which are installed on the sampling tube. When an abnormal pressure is detected, the emergency shut-off valve is closed.

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