Abstract: the package information about the density of mixed gas flow meter scale quantity produced by excellent flow meter, flow meter manufacturer to offer you the quotation. In metallurgical enterprises, extensive use of the mixed gas. Due to fluctuations in the ratio of mixed gas in the use of mixed gas density change, thus the measurement error. Below we have concrete, this paper discusses this problem, hope to everyone in a. More flow meter manufacturers choose model price quote you are welcome to inquire, here is about the density of mixed gas flow meter scale quantity corrections for details. In metallurgical enterprises, extensive use of the mixed gas. Due to fluctuations in the ratio of mixed gas in the use of mixed gas density change, thus the measurement error. Below we have concrete, this paper discusses this problem, hope to everyone in the further cognition mixed gas flowmeter have very good effect. 1. The importance of the mixed gas flow metering density correction is made in metallurgical enterprise, accompanied by coking, ironmaking, converter steelmaking production to produce large amounts of gas, the gas after cleaning and dust removal is an important secondary energy. Each gas pipeline network in metallurgical enterprise's ability is limited, within the limited capacity of pipe network, gas mixing ratio balance if some users better, the gas mixture proportioning of other users will be more out of balance, and thus brings to the flow measurement and use all the problems. Gas mixing ratio on the mixed gas flow metering, fuel ratio control difficult, and therefore affect the quality of heating, and may cause environmental pollution because of incomplete combustion, so the density of mixed gas flow metering correction is very important. 2. How to carry on the differential pressure type flowmeter mixed gas flow measuring the density of the corrected flow measuring the density of the corrected with pressure, temperature correction are two different concepts. The former refers to the mixed gas standard state density due to mix proportion change itself changes; The latter refers to the gas standard density did not change, only because of work pressure, the temperature change caused by the change of gas density working status. 2. 1 flow metering simple density correction formula of pressure and temperature in order to make the difference, the design when the throttle device of the mixed gas density with & rho; Mix the design; The actual work of the mixed gas density with & rho; Mix the work, the flow measuring the density of pure corrected formula is: qVN for mixed gas under the mixed gas flow standard condition, qVN conditions for practical working condition of the mixed gas flow. 2. 2 mixed gas standard state density is often used in industrial measurement state of two methods for mixed gas standard density ( 1) Known amount of coke oven, blast furnace gas and mixed gas density. According to the gas mixture, respectively to detect the coke oven gas and blast furnace gas flow calculation: ( 2) Known mixed gas calorific value of mixed gas density method. According to the calorific value instrument to detect the mixed gas calorific value, respectively and the coke oven, the ratio of blast furnace gas flow, and then find out mixed gas standard state density. ρ V focal % for the proportion of coke oven gas flow; Q for the blast furnace high calorific value; Q mixing to mixed gas calorific value; Q coke for coke oven gas calorific value MJ/m3. 3. How differential pressure flowmeter mixed gas flow pressure, temperature, density correction is made in order to avoid the standard gas density ratio of mixed gas change with working pressure, temperature changes caused by the working state density change is confused, flow measurement of pressure, temperature, density, using the corrected formula is: gas nature is pretty much the same metallurgical enterprises, each enterprise should combine their own gas properties of mixed gas flow of the corrected value for work. If used in the production of the mixed gas of converter, can also be corrected value for reference to the above method, because it is the same. For the analysis of the above may not be very broad and comprehensive, if you have more demand, we will be to you for what you need to know is described in detail. We ABG instrument will show you the difficulties with our accumulated experience for help. Will be in you need time for you in the required information. So I hope you to choose us as * when the choose and buy products, we are looking forward to a pleasant cooperation with you. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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