某熱(re)電(dian)(dian)有(you)限公司(si)設計規模為(wei)3臺75T/h循環硫化床鍋(guo)爐，配備2臺C12MW汽(qi)輪機(ji)(ji)發電(dian)(dian)機(ji)(ji)組，年供(gong)電(dian)(dian)量110620千度，供(gong)熱(re)能(neng)力200萬m2。公司(si)已(yi)形成覆蓋(gai)整(zheng)個主城區供(gong)熱(re)網(wang)絡，根(gen)據縣(xian)城建設需要，對(dui)鍋(guo)爐進行了余熱(re)回收(shou)改造。
3×75t/h+1×70MW循環流(liu)化床鍋(guo)爐煙(yan)氣余熱(re)(re)(re)回收項(xiang)目采用(yong)(yong)(yong)的(de)工藝流(liu)程為：濕(shi)法脫硫后煙(yan)氣采用(yong)(yong)(yong)噴淋塔對飽和濕(shi)煙(yan)氣進行冷凝，提(ti)取(qu)煙(yan)氣中(zhong)的(de)汽化潛(qian)熱(re)(re)(re)，用(yong)(yong)(yong)熱(re)(re)(re)泵對提(ti)取(qu)的(de)汽化潛(qian)熱(re)(re)(re)進行回收；熱(re)(re)(re)泵參數：供熱(re)(re)(re)量(liang)：31.33MW；驅動(dong)(dong)熱(re)(re)(re)源(yuan)：蒸(zheng)汽0.25MPa；供回水溫度：65/45℃；年余熱(re)(re)(re)回收總(zong)(zong)量(liang)：約10000 GJ；噴淋塔尺寸直徑8米(mi)，總(zong)(zong)高17.5米(mi)；中(zhong)介循環數量(liang)2臺(tai)；熱(re)(re)(re)網循環泵數量(liang)2臺(tai)；驅動(dong)(dong)形式：蒸(zheng)汽驅動(dong)(dong)；在2020年9月投產使(shi)用(yong)(yong)(yong)。
