How to improve the accuracy of gas flow meter scale

Abstract: the gas flow meter scale how to improve the accuracy of the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The following analysis of gas flow meter how to improve the accuracy of measurement. 1, the gas meter straight pipe line entrance too narrow. Found in part of the transfer station, some gas table entry is straight section carefully, straight pipe diameter is less than the gas meter body cavity diameter, the installation method itself. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a natural gas flow meter scale details on how to improve the accuracy of the article. The following analysis of gas flow meter how to improve the accuracy of measurement. 1, the gas meter straight pipe line entrance too narrow. Found in part of the transfer station, some gas table entry is straight section carefully, straight pipe diameter is less than the gas meter body cavity diameter, the installation method itself does not conform to the gas meter installation requirements. In addition, in this situation, when produce gas station too much, even if the full opening gas valve, gas is still not fine section row in time go, cause gas meter inlet pipeline internal pressure increase gradually, the tank pressure to achieve safe, in order to avoid tank pressure-out, had to open the by-pass pipe again, bypass without measuring equipment, transit caused by gas production measuring value is lower than the actual value, also make each outside gas station total quantity and total transmission values are not consistent. 2, temperature effects and solutions. Gas meter working environment limit temperature conditions, the temperature condition is in - 20 ~ 55 ℃ scope, can only guarantee within the scope of this work. Once the environment temperature is not suitable for, especially in winter, in the absence of heat preservation measures, the gas meter work under low temperature condition, affect the measurement accuracy, and also to four pieces of damage inside the gas meter. Moreover, when the temperature of the gas pipeline and gas below - 20 ℃, lower than the temperature, the influence the accurate measurement of gas meter. Winter often taken in the gas meter line next to add one line measures of heating in winter, and its piping bag in the same thermal insulation layer, the engineering cost is not high, construction is convenient. 3, flowmeter return lost dry gas from gas consumption measurement. In the dry gas consumption, dry gas automatic regulator station is equipped with a return to lose, each station is equipped with pneumatic control valve, through the observation, found that after operation of pneumatic control valve stations effect is not ideal, affecting the normal gas metering return lost dry gas. The main reason is due to the delivery to the terminal of dry gas pressure fluctuation occurs, the station electric regulator also has carried on the corresponding adjustment, make a multipoint pressure interfere with each other, influence the normal gas; Air pressure is too low, sometimes go to close the regulator by-pass pipe, so that normal supply, which makes some dry gas measurement is not accurate. Recommended temporary outage regulator, make dry gas in a multipoint go directly to the gas meter. 4, medium oil pipe line, the effect of water vapor and solution. Frequently in the scene can release a large amount of water and oil mixture from the vent valve, thus known oil gas contains large amounts of water and steam, and the moisture in the process of pipeline pressure loss than dry gas, gas meter measurement under the standard conditions, gas flow rate is according to the pressure, volume, temperature between gas volume equation by conversion from standard conditions. Each team play team measurement, due to loss of steam in the process of conveying a lot of, the steam pressure loss is too large, which leads to the relay transmission combined with total transmission values vary widely. In addition, the probe in the gas meter is surrounded by water and oil steam, seriously affected the normal working condition of gas meter, gas meter accuracy decreases, after observation check back gas meter precision can reach 1. 0, use a year to 4 precision. Level 0, this phenomenon is due to some defects in the process of the external environment and technological process. According to these conditions, the process of gas meter position appropriately raise some, let the by-pass line at the bottom of the gas meter, and below to gas pipelines, in order to prevent the steam to form the liquid directly into gas meter measurement; By-pass to empty on a regular basis from the remaining liquid in the pipeline. Huaian and meter above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.

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