Solutions to problems encountered in the use of intelligent vortex flowmeters

Abstract: The information of solutions to problems encountered in the use of intelligent vortex flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Solutions to problems encountered in the use of intelligent vortex flowmeters The intelligent vortex flowmeters produced by Jiangsu Runyi are mainly used for flow measurement of medium fluids in industrial pipelines, such as gas, liquid, steam and other media. It is characterized by small pressure loss and range planning. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the article details of the solutions to problems encountered in the use of intelligent vortex flowmeters. Intelligent vortex flowmeters encountered problems and solutions in use The intelligent vortex flowmeters produced are mainly used for flow measurement of medium fluids in industrial pipelines, such as gas, liquid, steam and other media. It is characterized by small pressure loss, large range planning, high precision, and is almost not affected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring the volume flow of the working condition. No moving mechanical parts, so high reliability and low maintenance. Surface parameters can be stable for a long time. The surface adopts piezoelectric stress sensor, which has high reliability and can work within the operating temperature range of -20℃~+250℃. There are analog standard signals and digital pulse signal outputs, which are easy to be used with digital systems such as computers. The common problems encountered in the use of intelligent vortex flowmeters are as follows: mainly: ①Inaccurate indication for a long time; ②No indication all the time; ③Indication is not firm and cannot be read; ④Indication does not return to zero; ⑤When the flow is small No indication; ⑧The indication is ok when the flow rate is large, but the indication is not accurate when the flow rate is small; ⑦The indication change cannot keep up with the flow rate change; ⑧The surface K coefficient cannot be determined, and many data are inconsistent. The solution involves the following aspects: 1. Questions about model selection. Some vortex sensors may choose a larger standard in the selection of caliber due to changes in technical conditions after the planning and selection. The practice selection should choose the smallest possible diameter to improve the measurement accuracy. The main reasons for this are Related to questions ①, ③, ⑥. For example, a vortex pipeline is planned to be used by several equipments. Due to the fact that some equipments are sometimes not used, the current flow rate of practical use is reduced, and the size of the original plan is too large, which is equivalent to increasing the measurable flow rate. The lower limit, the indication of the technical pipeline cannot be guaranteed when the flow rate is small, and it can be used when the flow rate is large, because it is sometimes too difficult to remodel. The change in skill conditions is only temporary. The accuracy of the indication can be improved before the re-tuning of the parameters can be contacted. 2. Questions about equipment. The main reason is that the length of the straight pipe section in front of the sensor is not enough, which affects the measurement accuracy. The reason for this is mainly related to question ①. For example, the straight pipe section in front of the sensor is significantly short. Since FIC203 is not used for measurement, but only for control, the current accuracy can be used equivalent to degraded use. 3. The reason for the parameter setting direction. The surface indication is wrong due to parameter error. The parameter error makes the secondary surface full-scale frequency calculation error, and the reasons for this are mainly related to questions ① and ③. The same full-scale frequency makes the indication inaccurate for a long time, and the full-scale frequency of the actual full-scale frequency makes the indication plan unstable and cannot be read, and the inconsistency of the parameters in the data affects the final judgment of the parameters. , after all, the parameters are determined by comparing with each other through the re-calibration contact, which solves this problem. 4. Secondary surface defects. This has many disadvantages, including: a single digit flashing bad in the range setting, and a single digit flashing bad in the K coefficient setting, which makes it impossible to determine the range setting and the K coefficient setting. Some reasons are mainly related to questions ① and ②. By correcting the corresponding shortcomings, doubts can be resolved. 5. Question about the connection of the four-way line. Some circuits seem to have excellent line connections on the surface. Carefully check, some joints have been loosened and the circuit is interrupted. Although some joints are very tightly connected, the fastening screws of the auxiliary line are tightened on the line skin, which also makes the circuit breaker. Intermittent, some of the reasons are mainly related to question ②. Corresponding line questions have been dealt with, and existing questions have been dealt with accordingly. 6. Question about the connection between the secondary surface and the subsequent surface. Due to the doubt of the subsequent surface or the maintenance of the subsequent surface, the mA output circuit of the secondary surface is interrupted. For this type of secondary surface, some reasons are mainly related to the doubt ②. Especially for the subsequent recorder, when the recorder is damaged for a long time and cannot be corrected, be careful to short-circuit the output of the secondary surface. 7. Due to the shortcomings of the secondary surface flat-axis cable, there has been no indication of the formation of the loop. Due to the long-term work and the influence of dust, the flat-axis cable is defective. By cleaning or replacing the flat-axis wire,Questions are dealt with. 8. For doubts ⑦ is mainly due to the looseness of the fixing screw of the watch head coil on the secondary surface, which causes the watch head to sink, the pointer and the case are in great conflict, and the action is not working. 9. Questions about the use of the environment.

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