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有效控制五金行業用熱回收式節能冷水機能源消耗的方法(7)

2024-08-19

超低溫制冷機

新能源測試機組

滿液式冷水機

   注意周圍的(de)運(yun)行(xing)環(huan)(huan)境:由于(yu)環(huan)(huan)境對(dui)五金(jin)行(xing)業(ye)用熱回收式節能(neng)(neng)隧(sui)道施工(gong)冷(leng)(leng)(leng)(leng)水(shui)機的(de)影響很大(da),所(suo)以在(zai)保證質量的(de)同(tong)時也要(yao)注意工(gong)業(ye)隧(sui)道施工(gong)冷(leng)(leng)(leng)(leng)水(shui)機對(dui)環(huan)(huan)境的(de)影響。當使(shi)用時,我們(men)不能(neng)(neng)影響環(huan)(huan)境。冷(leng)(leng)(leng)(leng)凝(ning)溫(wen)度(du):在(zai)滿足使(shi)用要(yao)求的(de)前提(ti)下,必須(xu)降低冷(leng)(leng)(leng)(leng)凝(ning)溫(wen)度(du),因為使(shi)用冷(leng)(leng)(leng)(leng)卻塔時會有(you)一定的(de)邊際,所(suo)以有(you)必要(yao)增加原冷(leng)(leng)(leng)(leng)卻塔水(shui),提(ti)高(gao)冷(leng)(leng)(leng)(leng)卻水(shui)的(de)效率。

制冷機

制冷機腐蝕保護:制冷機等換熱器在制作時,管板與列管的焊接一般采用手工電弧焊,焊縫形狀存在不同程度的缺陷,如凹陷、氣孔、夾渣等,焊縫應力的分布也不均勻。使用時管板部分一般與工業冷卻水接觸,而工業冷卻水中的雜質、鹽類、氣體、微生物都會構成對管板和焊縫的腐蝕。這就是我們常說的電化學腐蝕。研究表明,工業水無論是淡水還是海水,都會有各種離子和溶解的氧氣,其中氯離子和氧的濃度變化,對金屬的腐蝕形狀起重要作用。另外,金屬結構的復雜程度也會影響腐蝕形態。因此,管板與列管焊縫的腐蝕以孔蝕和縫隙腐蝕為主。從外觀看,管板表面會有許多腐蝕產物和積沉物,分布著大小不等的凹坑。以海水為介質時,還會產生電偶腐蝕。化學腐蝕就是介質的腐蝕,換熱器管板接觸各種各樣的化學介質,就會受到化學介質的腐蝕。另外,換熱器管板還會與換熱管之間產生一定的雙金屬腐蝕。一些管板還長期處于腐蝕介質的沖蝕中。尤其是固定管板換熱器, 還有溫差應力, 管板與換熱管聯接處*易泄漏,導致換熱器失效。
綜上所述,影響制冷機腐蝕的主要因素有:
(1)介質成分和濃度:濃度的影響不一,例如在鹽酸中,一般濃度越大腐蝕越嚴重。碳鋼和不銹鋼在濃度為50%左右的硫酸中腐蝕最嚴重,而當濃度增加到60%以上時,腐蝕反而急劇下降;
(2)雜質:有害雜質包括氯離子、硫離子、氰離子、氨離子等,這些雜質在某些情況下會引起嚴重腐蝕;
(3)溫度:腐蝕是一種化學反應,溫度每提升 10℃,腐蝕速度約增加1~3倍,但也有例外;
(4)ph值:一般ph值越小,金屬的腐蝕越大;
(5)流速:多數情況下流速越大,腐蝕也越大。
可(ke)采用(yong)高分子復合材料(liao)對制(zhi)冷機管板進行防(fang)腐保護,其中應(ying)有比較成熟的(de)有美(mei)嘉華(hua)技術產品,其具有優(you)異的(de)粘著性(xing)能(neng)及抗溫(wen)、抗化學腐蝕性(xing)能(neng),材料(liao)為****固體,沒有可(ke)揮發性(xing)物質,在(zai)封閉的(de)環境里可(ke)以安(an)全(quan)使(shi)用(yong)而不會收縮,特別是(shi)材料(liao)良好的(de)隔離雙金屬腐蝕和(he)出(chu)色的(de)耐(nai)沖刷性(xing)能(neng),優(you)異的(de)防(fang)腐性(xing)能(neng),從根本(ben)上杜絕了修復部位的(de)腐蝕滲(shen)漏,可(ke)以為部件提供一個長久(jiu)的(de)保護涂層。

   可(ke)調(diao)線(xian)圈配置:五金行(xing)(xing)業(ye)(ye)用(yong)熱回收式節(jie)能隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)運行(xing)(xing)時(shi),如(ru)果運行(xing)(xing)時(shi)間長,會(hui)消耗(hao)大量能量。工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)可(ke)配備調(diao)節(jie)線(xian)圈,根據環(huan)境溫度調(diao)整適當(dang)的(de)工(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)功(gong)率(lv)(lv)(lv)。工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)組的(de)能耗(hao)與運行(xing)(xing)功(gong)率(lv)(lv)(lv)相對應。如(ru)果你(ni)能掌握對工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)組運行(xing)(xing)功(gong)率(lv)(lv)(lv)的(de)調(diao)整方法,你(ni)就可(ke)以在滿足企(qi)業(ye)(ye)運行(xing)(xing)需(xu)求的(de)前(qian)提下控制(zhi)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)組的(de)運行(xing)(xing)功(gong)率(lv)(lv)(lv)。控制(zhi)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji)處于(yu)低(di)效率(lv)(lv)(lv)運行(xing)(xing)狀態可(ke)以減少設備消耗(hao)的(de)能源。一般來說,只(zhi)要你(ni)按照上述方法操作(zuo)五金行(xing)(xing)業(ye)(ye)用(yong)熱回收式節(jie)能隧(sui)(sui)(sui)(sui)道(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)冷(leng)水(shui)機(ji),你(ni)就不必擔心它的(de)高能耗(hao)