<ins id="5nf8y"><button id="5nf8y"></button></ins>
<button id="5nf8y"><form id="5nf8y"></form></button>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><ins id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form></ins>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y"><form id="5nf8y"></form><ins id="5nf8y"></ins><button id="5nf8y"><form id="5nf8y"><xmp id="5nf8y"><xmp id="5nf8y"><button id="5nf8y"></button>
<xmp id="5nf8y"><button id="5nf8y"></button>
<xmp id="5nf8y"><form id="5nf8y"></form>
<xmp id="5nf8y">
<xmp id="5nf8y"><xmp id="5nf8y"><xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form><xmp id="5nf8y"><button id="5nf8y"><button id="5nf8y"></button></button>
<xmp id="5nf8y"><form id="5nf8y"></form>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<ins id="5nf8y"><form id="5nf8y"></form></ins>
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form>
<form id="5nf8y"></form>
<xmp id="5nf8y">
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><xmp id="5nf8y"><xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y">
聯系我們
揚州市開達氣體有限公司
聯系人:陳先生
手機:13196451966
電話:0514-86803222
傳真:0514-86803222
地址:揚州市江都區張綱配套園

氧氣濃度的變化對煤粉燃燒產生很大的影響

2015-01-29 點擊數:1451
氧氣濃度的變化對煤粉燃燒產生很大的影響,增加氧氣濃度會降低著火熱和著火溫度,增加反應速度、提高火焰溫度、促進完全燃燒。目前,世界上火力發電廠煤粉鍋爐基本上都是用油點火或助燃,每年的耗油量是巨大的。如果可以利用富氧空氣(高氧氣濃度的空氣)助燃煤粉、替代電廠點火用油,其經濟效益將十分可觀。 本文選用了從褐煤到貧煤的不同煤樣,在沉降爐和熱天平兩種試驗臺上進行了煤粉的富氧燃燒試驗。 在沉降爐中,著火溫度隨氧氣濃度的增加而降低。低揮發分的貧煤對氧氣濃度變化最為敏感,氧濃度由16%增加到36%,著火溫度下降24%,絕對值降低147℃,而褐煤卡列那的著火溫度隨氧氣濃度變化最小,僅下降36℃,但由于其本身的著火溫度較低,所以降幅也達到12%。四種煙煤的趨勢居于貧煤和褐煤之間,著火溫度下降15%左右,絕對值下降60~100℃,且煙煤的著火溫度在氧氣濃度達到26%后,下降的速度降低。通過改變沉降爐內的煤粉濃度的實驗,我們可以發現:氧氣濃度增加,消弱了煤粉濃度對著火溫度的影響。同樣不同氧氣濃度下煤粉細度對著火溫度的影響很小,且基本相近。 在熱天平中,不同的煤種隨著氧濃度的增加最大燃燒...
版權所有:揚州市開達氣體有限公司 技術支持:仕德偉科技 蘇ICP備15001002號  蘇公網安備 32108802010618號
聯系人:陳先生 電話:0514-86803222 傳真:0514-86803222 地址:揚州市江都區張綱配套園
无码人妻精品一区二区三区66
<ins id="5nf8y"><button id="5nf8y"></button></ins>
<button id="5nf8y"><form id="5nf8y"></form></button>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><ins id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form></ins>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y"><form id="5nf8y"></form><ins id="5nf8y"></ins><button id="5nf8y"><form id="5nf8y"><xmp id="5nf8y"><xmp id="5nf8y"><button id="5nf8y"></button>
<xmp id="5nf8y"><button id="5nf8y"></button>
<xmp id="5nf8y"><form id="5nf8y"></form>
<xmp id="5nf8y">
<xmp id="5nf8y"><xmp id="5nf8y"><xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form><xmp id="5nf8y"><button id="5nf8y"><button id="5nf8y"></button></button>
<xmp id="5nf8y"><form id="5nf8y"></form>
<xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<ins id="5nf8y"><form id="5nf8y"></form></ins>
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form>
<form id="5nf8y"></form>
<xmp id="5nf8y">
<xmp id="5nf8y"><form id="5nf8y"><form id="5nf8y"></form></form><xmp id="5nf8y"><xmp id="5nf8y"><form id="5nf8y"><button id="5nf8y"></button></form>
<xmp id="5nf8y">