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煤氣發(fā)電機組:焦爐煤氣的主要成分以及熱值
煤氣發(fā)電機組的主要燃料為焦爐煤氣。
The main fuel for gas generators is coke oven gas.
焦爐煤氣的主要成分以及熱值
The main components and calorific value of coke oven gas
焦爐煤氣是煤在煉焦爐中高溫干餾生產(chǎn)焦炭時產(chǎn)生的副產(chǎn)品。每生產(chǎn)1噸焦炭,大約會產(chǎn)生300-400立方米的焦爐煤氣。
Coke oven gas is a byproduct produced during the high-temperature dry distillation of coal in a coking furnace to produce coke. For every ton of coke produced, approximately 300-400 cubic meters of coke oven gas are produced.
焦爐煤氣的主要成分包含氫氣(H?)、甲烷(CH?) 和一氧化碳(CO) 等可燃成分。由于焦爐煤氣成分復雜,尤其是焦爐煤氣里面還含有大量焦油、萘、硫化氫(H?S)、氨(NH?) 等雜質,所以不能直接用于發(fā)電,否則會嚴重損害設備。
The main components of coke oven gas include combustible components such as hydrogen (H?), methane (CH?), and carbon monoxide (CO). Due to the complex composition of coke oven gas, especially the large amount of impurities such as tar, naphthalene, hydrogen sulfide (H2S), ammonia (NH?), etc. contained in coke oven gas, it cannot be directly used for power generation, otherwise it will seriously damage the equipment.
要利用焦爐煤氣發(fā)電,必須先將焦爐煤氣進行深度凈化處理才行,對于焦爐煤氣中的焦油和萘,通常采用電捕法(高壓靜電吸附)等方式去除,防止它們冷凝附著在管道和設備內部,造成堵塞和腐蝕。
To generate electricity using coke oven gas, it is necessary to first undergo deep purification treatment. Tar and naphthalene in coke oven gas are usually removed using methods such as electrostatic adsorption to prevent them from condensing and adhering to pipelines and equipment, causing blockage and corrosion.
對于焦爐煤氣中的硫化氫和氨,通常采用濕法脫硫(堿性溶液化學反應)和酸洗法(硫酸中和反應)等技術脫除,以減輕設備腐蝕并減少燃燒時二氧化硫等污染物的排放。
For the removal of hydrogen sulfide and ammonia in coke oven gas, wet desulfurization (alkaline solution chemical reaction) and acid washing (sulfuric acid neutralization reaction) technologies are usually used to reduce equipment corrosion and emissions of pollutants such as sulfur dioxide during combustion.
焦爐煤氣經(jīng)過凈化后的潔凈焦爐煤氣,便可以作為燃料進行發(fā)電。
After purification, clean coke oven gas can be used as fuel for power generation.
焦爐煤氣熱值是決定發(fā)電機組輸出功率和效率的關鍵參數(shù)。熱值越低,產(chǎn)生同等電力所需的煤氣量就越大。焦爐煤氣的低位熱值的標準范圍大約在:
The calorific value of coke oven gas is a key parameter that determines the output power and efficiency of power generation units. The lower the calorific value, the greater the amount of gas required to generate the same amount of electricity. The standard range for the low calorific value of coke oven gas is approximately:
3,800 - 4,200 kcal/Nm?
3,800 - 4,200 kcal/Nm?
?。ɑ?16 - 18 MJ/Nm?)
(Or 16-18 MJ/Nm?)? )
注:Nm? 指標準立方米,是在0°C、1標準大氣壓下的氣體體積單位。
Note: Nm "refers to the standard cubic meter, which is a unit of gas volume at 0 ° C and 1 standard atmospheric pressure.
焦爐煤氣的熱值并非固定不變,它主要由其化學成分構成決定。如下圖所示,焦爐煤氣是一種多組分混合氣體,其中既包含氫氣、甲烷等高熱值可燃成分,也含有大量不可燃的惰性成分,這種獨特的組成決定了其最終的熱值水平。
The calorific value of coke oven gas is not fixed and is mainly determined by its chemical composition. As shown in the figure below, coke oven gas is a multi-component mixture gas that contains both high calorific value combustible components such as hydrogen and methane, as well as a large amount of non combustible inert components. This unique composition determines its final calorific value level.
焦爐煤氣的主要成分以及熱值
The main components and calorific value of coke oven gas
總之,焦爐煤氣熱值主要得益于氫氣和甲烷的含量,但被高比例的不可燃惰性氣體所稀釋。在利用其發(fā)電或作為燃料時,必須充分考慮其熱值特點,并針對其成分波動性進行相應的設備設計和運行調控。
In short, the calorific value of coke oven gas is mainly due to the content of hydrogen and methane, but it is diluted by a high proportion of non combustible inert gases. When using it for power generation or as fuel, its calorific value characteristics must be fully considered, and corresponding equipment design and operation regulation must be carried out based on its component fluctuations.
本文由 煤氣發(fā)電機組 友情奉獻.更多有關的知識請點擊 http://www.qmtg666.com/ 真誠的態(tài)度.為您提供為全面的服務.更多有關的知識我們將會陸續(xù)向大家奉獻.敬請期待.
This article is a friendly contribution from a gas generator set For more related knowledge, please click http://www.qmtg666.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.
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