Method and device for determining working performance of loop turbine working standard device
A technology of working standards and working performance, which is applied in the direction of testing/calibrating devices, measuring devices, testing/calibrating volume flow, etc., and can solve problems such as large differences in repeatability and reproducibility, and poor results
Active Publication Date: 2020-10-30
PETROCHINA CO LTD
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[0004] However, due to the large difference between the repeatability and reproducibility of the ultrasonic flowmeter and the repeatability and reproducibility of the loop working standard device, when determining the working performance of the loop turbine working standard device based on the ultrasonic flowmeter , the effect of determining the working performance of the ring turbine working standard device is not good
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[0053] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0054] Before the specific explanation of the method for determining the working performance of the ring turbine working standard device provided by this application, the application scenarios of the method for determining the working performance of the ring turbine working standard device provided by this application will be described in detail. Usually, when transporting natural gas through pipelines, in order to accurately monitor the flow of natural gas in the pipeline, ultrasonic flowmeters and loop turbine working standard devices are installed on natural gas pipelines, or turbine flowmeters and loop turbine working standard devices are installed on natural gas pipelines device. The flow rate of the natural gas in the pipelin...
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The invention discloses a method and a device for determining the working performance of a loop turbine working standard device and a storage medium, and belongs to the technical field of natural gasmetering. According to the method and the device, an accurate numerical value range is determined by transmitting a plurality of first-class flows monitored before current time of a turbine and a plurality of second-class flows monitored before current time of the loop turbine working standard device. That is to say, the accurate numerical value range is determined through big data analysis according to historical detection data, so that the determined accurate numerical value range is obtained after optimization according to the historical monitoring data. Therefore, the working performance of the loop turbine working standard device determined by acquiring the first flows and the second flows and according to difference values between the first flows and the second flows and the accuratenumerical value range is relatively accurate.
Description
technical field [0001] The present application relates to the technical field of natural gas metering, in particular to a method and device for determining the working performance of a loop turbine working standard device. Background technique [0002] Usually, in the process of natural gas real-flow verification, in order to ensure that the working standard device of the ring turbine is 0.5 standard, it is necessary to determine the working performance of the working standard of the When the user's flowmeter is verified, the accuracy of the loop turbine working standard device. [0003] At present, the ultrasonic flowmeter is usually connected in series with the working standard device of the loop turbine in a one-to-one manner, and then the monitoring value of the ultrasonic flowmeter and the monitoring value of the working standard device of the loop turbine are checked in real time, and the ultrasonic flow rate is regularly analyzed and judged By analyzing the differenc...
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IPC IPC(8): G01F1/32G01F25/00
CPCG01F1/325G01F25/13G01F25/15
Inventor任佳彭利果宋彬段继芹樊兰蓓黄敏万元周许世平陈琦周桂荣
OwnerPETROCHINA CO LTD