詳細介紹
載鑫過濾供應:
賀德克濾芯
一、液壓油污染的種類和危害:按污染物的類型,油液污染大致可分為以下幾種:同體顆粒污染、水污染空氣污染以及混合油質的污染等。
1.固體顆粒污染
固體顆粒包括粉塵、焊渣、銹片以及合屬粉末等。它們混入液壓油中并隨油的流動而遍布整個液壓系統.當經過閥體時,這些污物會填入滑閻的滑動間隙,造成滑閥運動遲緩或運動中斷。其次含有固體顆粒的液壓油類似于研磨金屬加工面使用的研磨劑,當其通過泵,缸以及閥時,會加劇各摩擦副的磨損,產生出新的污染顆粒,會大大降低元件的使用壽命,嚴重威脅液壓系統的正常工作。
2.水污染
一定量的水分進人液壓油后,會使油液變成乳白色,使油的流動性變差,當水分含量超過自分之零點一時,油液就不具備正常的流動性了。水和油液中的硫或氯結合后,就會產生硫酸或鹽酸,當油液中酸值達到一定程度時,就會腐蝕金屬機件并產生繡片,形成固體顆粒污物,使整個液壓系統不能正常工作。另外水本身也可緩慢氧化金屬,從而降低了液壓元件的使用壽命。
3.空氣污染
液壓油中進入空氣后.由于氣體的體積和壓力成反比,所以隨著負荷的變動,執行元件的運動將會受到影響;人口濾油器堵塞后、液壓油的吸入阻力大大增加,可引起氣蝕、振動和躁聲;空氣還能使元件氧化并能使液壓油失去潤滑性能;特別是在高溫高壓的環境條件下,空氣極易造成液壓油氧化變質,流動阻力增大.造成執行元件工作不正常,另外變質的液壓袖還可以生成有害物質,會腐蝕金屬機件。
4.油脂
在液壓系統正常運行過程中,盡量不要更換油脂品種或牌號,當兩種不同品種或牌號的液壓油混合后,由于其化學成分不同,可能改變液壓油的化學組成,使其件質發生改變。
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二、液壓油污染的途徑
油中混入的固體顆粒主要是由于油箱、管件在加工后殘余物未清理干凈,或在安裝的未*酸洗除銹造成的。另外像灰塵這樣的固體顆粒也可隨空氣混人油中。
油中混人空氣豐要是由于管接頭、液壓泵、控制元件、液壓缸等密封不好或油箱中有氣泡引起的。
油中混入水分,其原因是濕區較高的空氣(例如貴陽地區)出空氣過濾器進人油箱或冷卻水滲漏造成的。
液壓油品種或品牌的更換也會造成污染。
固安縣載鑫濾清器廠重點產品各種品牌型號液壓油濾芯,*服務于石油、電力、化工、冶金、醫藥、食品、機械、紡織等行業領域。