|
關注：1
2013-05-23 12:21
求翻譯：高爐煤氣發熱值較低，要達到風溫1250℃，需預熱空氣、煤氣。采用換熱器預熱煤氣、助燃空氣技術，預熱后煤氣溫度可達到180℃ ；為了達到1250℃風溫，需要將助燃空氣預熱到400～600℃左右，采用常規的熱管換熱器無法達到此要求；采用熱風爐自身預熱法可以實現1250℃風溫，但投資成本較高。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
高爐煤氣發熱值較低，要達到風溫1250℃，需預熱空氣、煤氣。采用換熱器預熱煤氣、助燃空氣技術，預熱后煤氣溫度可達到180℃ ；為了達到1250℃風溫，需要將助燃空氣預熱到400～600℃左右，采用常規的熱管換熱器無法達到此要求；采用熱風爐自身預熱法可以實現1250℃風溫，但投資成本較高。
問題補充： |
|
2013-05-23 12:21:38
Blast furnace gas heating value is lower, to achieve the air temperature of 1250 ° C, need to preheat the air and gas. Preheat gas heat exchanger, combustion air technology, preheat the gas temperature can reach 180 ° C; in order to reach 1250 ° C air temperature, combustion air preheated to about 4
|
|
2013-05-23 12:23:18
|
|
2013-05-23 12:24:58
The blast furnace coal gas heat value is low, must achieve wind warm 1250℃, needs the preheated air, the coal gas.Uses the heat interchanger preheating coal gas, the combustion air technology, after the preheating coal gas temperature may achieve 180℃; In%
|
|
2013-05-23 12:26:38
Lower heating value of blast furnace gas to achieve temperature 1250 ° c, need to preheat air and gas. Using heat exchangers Preheat gas and combustion air technology, after the preheat gas temperatures up to 180 ° c; for up to 1250 ° c air temperature, combustion air needs to be preheated to about
|
|
2013-05-23 12:28:18
|
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
