由(you)于(yu)冷(leng)媒流(liu)體(ti)(冷(leng)凍水(shui)(shui)(shui))接收了使(shi)命流(liu)體(ti)(冷(leng)卻(que)水(shui)(shui)(shui))熱(re)量(liang),板式(shi)熱(re)交換器(qi)的冷(leng)卻(que)水(shui)(shui)(shui)在熱(re)調換過程(cheng)中(zhong)(zhong)。使(shi)其溫(wen)度(du)上(shang)升(sheng),此時原本溶于(yu)水(shui)(shui)(shui)中(zhong)(zhong)的CaHCO32和MgHCO32溫(wen)度(du)的傳染下(xia)析出CO2生成(cheng)微溶于(yu)水(shui)(shui)(shui)的CaCO3和MgCO3因為CaCO3和MgCO3融化度(du)隨溫(wen)度(du)的上(shang)升(sheng)而下(xia)降(jiang),從(cong)水(shui)(shui)(shui)中(zhong)(zhong)結晶析出,當這些(xie)結晶物不斷地(di)沉積于(yu)換熱(re)器(qi)表面,便(bian)形成(cheng)了很(hen)硬的水(shui)(shui)(shui)垢(gou)。
造成能(neng)耗的(de)增添,水(shui)(shui)垢的(de)重(zhong)要風險是(shi)減(jian)少(shao)調換(huan)器的(de)換(huan)熱效(xiao)率。另外當(dang)水(shui)(shui)垢出(chu)現在使命流(liu)體(冷卻(que)水(shui)(shui))側時,會引起冷卻(que)水(shui)(shui)的(de)流(liu)量無余和壓力下降,嚴重(zhong)時造成停產(chan)。
其(qi)熱(re)交(jiao)(jiao)換(huan)(huan)的(de)(de)(de)效率減弱當水(shui)(shui)垢(gou)厚度達(da)到1.6mm其(qi)熱(re)損(sun)(sun)失高,冷凝(ning)管中的(de)(de)(de)水(shui)(shui)垢(gou)厚度在(zai)0.3mm時。這(zhe)聲名水(shui)(shui)垢(gou)對板(ban)(ban)式熱(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)(qi)(qi)的(de)(de)(de)導熱(re)性(xing)能(neng)有(you)(you)很大的(de)(de)(de)影響(xiang),為了能(neng)使熱(re)調(diao)換(huan)(huan)器(qi)(qi)(qi)(qi)使命性(xing)能(neng)畸形,定期履行蕩(dang)滌,完整清理水(shui)(shui)垢(gou)是個體(ti)用三元(yuan)乙丙膠(jiao)墊(dian)(dian),板(ban)(ban)式熱(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)(qi)(qi)的(de)(de)(de)重(zhong)要部件及(ji)其(qi)功能(neng)其(qi)中易損(sun)(sun)部件是板(ban)(ban)式熱(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)(qi)(qi)的(de)(de)(de)密封墊(dian)(dian)片(pian)。耐(nai)酸、耐(nai)堿、耐(nai)鹽。現(xian)(xian)實(shi)證實(shi),加了消泡劑的(de)(de)(de)aMDEA溶液將會出現(xian)(xian)膠(jiao)墊(dian)(dian)溶脹現(xian)(xian)象。從目前運(yun)行情況闡發,膠(jiao)墊(dian)(dian)的(de)(de)(de)操(cao)縱(zong)壽(shou)命大概在(zai)12a準確的(de)(de)(de)把持對板(ban)(ban)式熱(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)(qi)(qi)的(de)(de)(de)操(cao)縱(zong)壽(shou)命有(you)(you)直接影響(xiang),是以(yi)在(zai)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)運(yun)行時,以(yi)免水(shui)(shui)錘(chui)等影響(xiang)其(qi)性(xing)能(neng)的(de)(de)(de)不正當操(cao)作,介質人口應加適宜的(de)(de)(de)過濾器(qi)(qi)(qi)(qi)。
若不使用(yong)(yong)時(shi),對于備用(yong)(yong)裝備。應將擰(ning)緊螺栓(shuan)到規定尺寸,讓(rang)墊片及換熱器板片的操(cao)縱壽命,操(cao)縱時(shi)再按要求夾緊。
信號孔(kong)發現介質流出時(shi)應進(jin)行(xing)分(fen)析,設備連(lian)續運行(xing)時(shi)。如是螺栓松動或由于(yu)熱調換而伸長,對(dui)其履(lv)行(xing)夾(jia)緊時(shi)應小(xiao)心,因(yin)(yin)為(wei)板(ban)式(shi)熱交換器之所以具有較高的傳熱系數,其主要(yao)原(yuan)因(yin)(yin)是其板(ban)片(pian)波紋能使流體在較小(xiao)的流速下產生湍流。非職(zhi)員在夾(jia)緊時(shi),有可以或許對(dui)其產生不可復原(yuan)的破壞(huai)。當板(ban)式(shi)熱交換器處于(yu)操縱狀(zhuang)態時(shi),建議(yi)不要(yao)夾(jia)緊。若發現密(mi)封墊片(pian)老化應予替換。