Turbine meter scale use of steam flow measurement

Abstract: the turbine meter scale of steam flow measurement using the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Turbine flowmeter in within the scope of a certain flow vortex separation frequency is proportional to the average flow velocity in the piping, the vortex occurred in the body load capacitance sensor or piezoelectric sensor ( Detector) And corresponding circuit configuration, that is, form the capacitance detection or piezoelectric type turbine flowmeter. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a turbine meter scale to use the steam flow measurement details. Turbine flowmeter in within the scope of a certain flow vortex separation frequency is proportional to the average flow velocity in the piping, the vortex occurred in the body load capacitance sensor or piezoelectric sensor ( Detector) And corresponding circuit configuration, that is, form the capacitance detection type turbine flowmeter or piezoelectric type turbine flow sensor. In order to ensure the complete measurement function, the flow pattern at the entrance should be without interference. Length of straight pipe upstream part of the turbine meter diameter ( D) About 15 times, downstream of the length of the straight pipe section should be meter diameter ( D) About 5 times. Set in the fluid of streamlining the vortex sound body, is from the vortex occurs on both sides of the two columns have rules of vortex alternately, this vortex is called Chris kaman steam turbine flowmeter calibration technology, current research in domestic is still in the stage, some domestic manufacturers have established a standard device with steam as the working medium. But because of the large energy consumption, bad working conditions, such as factors in the air and trying to seek for new way of working medium. After investigation, the current domestic have already appeared in the air as the working medium of standard device mainly has two kinds: one kind is sonic nozzle type, determination of the device while satisfying the requirements of measurement accuracy, but high device made, about more than 100 each. Practice has proved that the technology is feasible, but operating cost huge investment costs and management, general metrological verification institutions can't be widely used. And there's a kind of fan hole plate, the device while the cost is not high, but the accuracy is low, and this kind of unit pressure loss, low pressure of air and are, therefore, often can not meet the requirement of the calibration range, the national metrology department has confirmed this. Also some domestic units are also seeking to use to replace the nozzle orifice or vortex flowmeter attempts, but using parameter is not yet mature. In order to solve the above problem of steam metrological verification, city LiangBang instrument with nanjing institute of quality and technical supervision cooperation to participate in the LDQ type gas flow standard device is developed. For the first time applied to gas turbine flow meter ( Including steam) Flow quantity, and obtained more satisfactory results. Its advantages are as follows: 1. Used as the standard for passing the turbine flow meter device, with a wide range, small pressure loss, as well as good repeatability, overcome the pressure loss of the other types of devices, range is not enough, and the cost is low, the investment is sound nozzle type device to around 20%. 2. The main error term (standard table System error) Using error tracking method to eliminate, greatly improve the measurement accuracy. 3. The steam flow in the dissemination air & ndash; — Steam conversion factor, by a large number of experimental data by regression processing to determine the confidence level is higher than is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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