Application of Turbine Flow Meter in Natural Gas Flow Meter

Abstract: The application information of turbine flowmeter in natural gas flowmeter is provided by excellent flowmeter and flowmeter manufacturers. Turbine flowmeters have been on the market for a long time and have been widely recognized by the market for their excellent performance and reliable measurement accuracy. It has excellent performance in the field of medium measurement such as oil, natural gas, liquefied gas and cryogenic fluid. Down. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the application article details of turbine flowmeters in natural gas flowmeters. Turbine flowmeters have been on the market for a long time and have been widely recognized by the market for their excellent performance and reliable measurement accuracy. It has excellent performance in the field of medium measurement such as oil, natural gas, liquefied gas and cryogenic fluid. Next, let's share with you the advantages of the new generation VN series turbine flowmeter of the flowmeter manufacturer in measuring natural gas. 1. The application of turbine flowmeter in natural gas flow measurement With the vigorous development of my country's natural gas engineering, turbine Flow meters are widely used in natural gas trade settlement process. Before using the turbine flowmeter to measure the natural gas flow, first install the turbine flowmeter. Before installing the turbine flowmeter, make sure that the gas pipeline is clean, and there is no water, dirt, etc., which can cause damage to the turbine blades and the mechanical parts of the turbine flowmeter. Damaged impurities, if the measured natural gas contains impurities, a filter must be added to prevent damage to the turbine flowmeter. When installing the turbine flowmeter, it should be kept horizontal, and try not to install it vertically. If the natural gas pipeline contains water, the turbine flowmeter should be placed obliquely to ensure that the natural gas can come out of the flowmeter. The transmission direction of natural gas should be consistent with the direction marked on the turbine flowmeter, and must not be installed in the opposite direction. It is generally recommended to add a straight pipe to the inlet and outlet ends of the turbine flowmeter. The length of the inlet end should not be less than 10 times the inner diameter of the pipe section, and the length of the outlet end should not be less than 5 times the inner diameter of the pipe section, or it can be installed between the choke device and the turbine flowmeter. Install the rectifier between. 2. Problems existing in the practical application of turbine flowmeter and related suggestions Due to the influence of various factors, there are still some problems in the actual application of turbine flowmeter. Common problems are: no signal, running speed is slow and fast, turbine flowmeter does not count, negative deviation increases (accuracy decreases), and design flow does not match actual flow, etc. In response to the above problems, the following suggestions can be put forward: 1. In the case of no signal, first check the power supply, check the power supply and then check the turbine flowmeter itself, and judge whether it is the fault of the primary instrument or the secondary instrument. If there is no problem with the instrument, check whether the signal line is connected correctly. If there is still no signal output, it may be that the flow rate of the fluid is too slow or there is a problem with the sensor, resulting in no signal being detected. 2. For the situation where the running speed is slow and fast, the speed can be controlled by adjusting the instrument coefficient first. If the instrument coefficient changes greatly, you can also check whether the depth of the insertion rod is appropriate. In most cases, it is because the impeller cannot run and the flow rate The inside of the meter contains dirt, which can be cleaned with hydrochloric acid. 3. For the situation that the turbine flowmeter does not count, it may be caused by the poor contact of the power supply or switch, so it is necessary to check the components inside the turbine flowmeter to check whether each part is faulty. Replacement parts. 4. As a velocity flow meter, with the increase of operating time (usually after two years of operation), the internal bearing will gradually wear out, which will easily cause the impeller speed to slow down (compared to normal), and the negative measurement deviation will increase, which will cause The phenomenon of less metering has a particularly prominent impact on the metering of large flow. Suggested improvement method: Actively communicate with manufacturers and agents, carry out targeted maintenance or simply replace bearings regularly. 5. In metering management, the problem that the design flow rate of the flow meter does not match the actual flow rate is often encountered: either the design flow rate is too large, the starting flow rate is high, and the small flow rate cannot be measured normally or even not measured after the production is put into operation (commonly known as“big horse-drawn trolley”); or the design flow is too small to cause overload operation or even flowmeter damage (commonly known as“little horse ride”). To avoid the occurrence of the above problems, it is necessary to fully grasp the load of the downstream gas-consuming units and gas-using equipment before the instrument selection, and take into account the relevant influencing factors; Adjust accordingly. These are also an important means to control the transmission difference. Through the above analysis of the application of the turbine flowmeter to measure natural gas, we know that the turbine flowmeter has superior performance and powerful functions, so its application is also quite extensive, such as oil, natural gas, liquefied gas and cryogenic fluids, etc. . In Europe, North America, the first and second lines of the West-East Gas Pipeline in my country, and the Sichuan-East Gas Pipeline, etc., turbine flowmeters are also widely used for trade measurement. Obviously, turbine flowmeters have become widely used natural gas flowmeters. If you have other questions or needs about the flowmeter, you can contact the flowmeter manufacturer and we will serve you wholeheartedly. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Application of Turbine Flow Meter in Natural Gas Flow Meter Measurement'

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