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    燃氣鍋爐的耗氣量怎么計算?
    來源:http://m.gdxinmeihua.com 發布時間:2021-10-20

    計算一臺燃氣鍋爐耗氣量之前,先應該了解燃氣鍋爐的耗氣量如何計算以及用氣量受到哪些因素的影響。燃氣鍋爐的耗氣量的決定因素有:鍋爐受熱面積,燃料熱值,燃料純度,鍋爐對流受熱面積,鍋爐輻射受熱面積以及司爐工的司爐技巧等。
    Before calculating the gas consumption of a gas-fired boiler, we should first understand how to calculate the gas consumption of the gas-fired boiler and what factors affect the gas consumption. The determinants of gas consumption of gas-fired boilers are: boiler heating area, fuel calorific value, fuel purity, boiler convective heating area, boiler radiant heating area and Stoker's skills.
    鍋爐的額定功率和燃氣的熱值。利用公式:燃氣量=鍋爐的額定功率*時間/燃氣熱值/鍋爐效率。
    Rated power of boiler and calorific value of gas. Use the formula: gas quantity = rated power of boiler * time / calorific value of gas / boiler efficiency.
    確定燃氣鍋爐的規格,如1噸、2噸等等,其次是鍋爐受熱面熱阻,根據這兩個條件我們可以確定燃氣鍋爐的熱損失,通過得到的熱損失數值,可以進一步得到熱效率,通過熱效率,在根據總容量乘以參數得出總熱焓值,然后用燃氣的總熱焓值乘以熱效率,得到的數值在除以介質的總熱焓值,這個數值就是我們需要的燃氣鍋爐單位時間內的耗氣量信息。
    Determine the specification of gas-fired boiler, such as 1t, 2T, etc., followed by the thermal resistance of boiler heating surface. According to these two conditions, we can determine the heat loss of gas-fired boiler. Through the obtained heat loss value, we can further obtain the thermal efficiency. Through the thermal efficiency, we can obtain the total enthalpy value according to the total capacity multiplied by the parameters, and then multiply the total enthalpy value of gas by the thermal efficiency, The obtained value is divided by the total enthalpy of the medium. This value is the gas consumption information of the gas boiler per unit time we need.
    根據熱量公式來進行計算。
    Calculate according to the heat formula.
    2噸燃氣鍋爐功率為1.4MW(1400kW),燃料的熱值為35.53MJ/Nm3(百度得知),通常燃氣鍋爐熱值利用率為88%—90%之間。所以我們可以得出公式為:燃氣鍋爐耗氣量(每小時)=燃氣鍋爐功/鍋爐率*時間/燃料熱值/燃氣鍋爐熱值利用率=1.4MW*3600s/35.53MJ/Nm3/88%=161m³/h。
    The power of 2-ton gas-fired boiler is 1.4mw (1400kW), and the calorific value of fuel is 35.53mj/nm3 (known by Baidu). Generally, the calorific value utilization rate of gas-fired boiler is 88% - 90%. Therefore, we can get the formula: gas boiler gas consumption (per hour) = gas boiler work / boiler rate * time / fuel calorific value / gas boiler calorific value utilization rate = 1.4mw * 3600s / 35.53mj / Nm3 / 88% = 161m ³/ h。
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    The above is all the content shared today. I hope it can help you.

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