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我國近(jin)年來(lai)污(wu)(wu)水排放量(liang)(liang)和處理(li)(li)(li)量(liang)(liang)一向呈上(shang)升趨(qu)勢,作(zuo)為污(wu)(wu)水處理(li)(li)(li)進(jin)程(cheng)的衍生(sheng)品,生(sheng)活污(wu)(wu)水處理(li)(li)(li)廠污(wu)(wu)泥的產(chan)量(liang)(liang)也會(hui)因污(wu)(wu)水處理(li)(li)(li)量(liang)(liang)的添加(jia)和處理(li)(li)(li)標準的日益嚴厲而逐年添加(jia),對污(wu)(wu)水處理(li)(li)(li)設備的運(yun)用也更(geng)為廣(guang)泛(fan),其間空心槳葉(xie)干燥機經過蒸汽散布管將蒸汽輸送至(zhi)葉(xie)片中,葉(xie)片滾動和與其觸摸的物料(liao)觸摸進(jin)行熱交換,熱交換結束后經過導流孔將冷(leng)凝水流至(zhi)軸孔后排出。
空心槳葉干燥機(ji)是(shi)一種以傳導為主的臥式(shi)攪(jiao)拌(ban)型(xing)干燥機(ji)。主體(ti)結構為帶有夾套的w型(xing)殼體(ti)內裝有成對的空心低(di)速回轉中(zhong)(zhong)空軸(zhou),軸(zhou)上焊有若干空心攪(jiao)拌(ban)葉片,其內均通以熱載體(ti),兩種加熱面一起對物料加熱。熱載體(ti)通常(chang)從(cong)(cong)干燥機(ji)中(zhong)(zhong)部送入,經過呈(cheng)攪(jiao)拌(ban)狀況的物料層(ceng)外表,從(cong)(cong)另(ling)一側排出。
一種空心槳(jiang)(jiang)葉干燥(zao)機槳(jiang)(jiang)葉排水機構,其(qi)具體(ti)公開(kai)了“蒸汽(qi)(qi)(qi)散布管(guan)(guan)(guan)(guan)包括套(tao)管(guan)(guan)(guan)(guan)和管(guan)(guan)(guan)(guan)體(ti),套(tao)管(guan)(guan)(guan)(guan)焊(han)接(jie)在蒸汽(qi)(qi)(qi)進汽(qi)(qi)(qi)總(zong)管(guan)(guan)(guan)(guan)上,管(guan)(guan)(guan)(guan)體(ti)套(tao)設在套(tao)管(guan)(guan)(guan)(guan)內,管(guan)(guan)(guan)(guan)體(ti)伸(shen)入至空心槳(jiang)(jiang)葉葉片內腔(qiang)”,即蒸汽(qi)(qi)(qi)進汽(qi)(qi)(qi)總(zong)管(guan)(guan)(guan)(guan)上需(xu)要(yao)預先(xian)焊(han)接(jie)一套(tao)管(guan)(guan)(guan)(guan),然后管(guan)(guan)(guan)(guan)體(ti)經過套(tao)管(guan)(guan)(guan)(guan)直接(jie)固定在蒸汽(qi)(qi)(qi)進汽(qi)(qi)(qi)總(zong)管(guan)(guan)(guan)(guan)上,結構復雜,加(jia)(jia)工不(bu)(bu)便,并且(qie),管(guan)(guan)(guan)(guan)體(ti)需(xu)要(yao)貫(guan)穿(chuan)伸(shen)出空心槳(jiang)(jiang)葉軸,兩(liang)者之間(jian)銜接(jie)加(jia)(jia)工不(bu)(bu)便并且(qie)兩(liang)者之間(jian)銜接(jie)不(bu)(bu)嚴易存在縫(feng)隙,在空心槳(jiang)(jiang)葉軸旋轉(zhuan)進程中,會引起(qi)空心槳(jiang)(jiang)葉軸內部的冷凝水會倒流回空心槳(jiang)(jiang)葉葉片內部,從而下降(jiang)空心槳(jiang)(jiang)葉葉片內部的蒸汽(qi)(qi)(qi)換熱效果。
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