紫外線脫脂檢查燈因?yàn)楸粦?yīng)用于油脂清洗后的檢查,因此被稱為紫外線脫脂檢查燈。它的檢查原理是,油脂在高強(qiáng)度紫外線的照射下,發(fā)出熒光。所以紫外線脫脂檢查燈除了脫脂檢查還可以做油脂覆蓋檢查、油脂泄露檢查…
紫外線燈檢查油脂的方法如下:
1. 將紫外線燈照射在已經(jīng)脫脂清洗過的管道上。
2. 觀察照射的情況。
3. 如果發(fā)現(xiàn)片狀的藍(lán)色斑點(diǎn),即為沒有清洗干凈的油脂,需要反復(fù)清洗,直到用紫外線燈照射沒有熒光為止。
4. 如果發(fā)現(xiàn)星星點(diǎn)點(diǎn)藍(lán)色的亮點(diǎn),可能為灰塵,需用壓縮空氣進(jìn)行吹掃。
5. 繼續(xù)用紫外線燈照射,直到?jīng)]有出現(xiàn)熒光時(shí),檢查完畢。
需要注意的是,使用紫外線燈檢查油脂時(shí),要注意安全,避免直接照射皮膚,以免造成傷害。同時(shí),需要在專業(yè)人員的指導(dǎo)下進(jìn)行操作,以確保檢查的準(zhǔn)確性和安全性。
上圖:LUYOR-3318UV紫外線表面檢查燈檢查產(chǎn)品表面油脂
紫外線油脂檢查燈的主要應(yīng)用
油脂在紫外線的照射下可以發(fā)出明亮的熒光,以此原理可應(yīng)用于以下三種場景:
① 油脂脫脂檢查:用于檢測油脂清洗后的殘留情況,用于藥廠、乳制品生產(chǎn)線、無菌食品加工廠脫脂后的檢查??捎檬蛛娡彩矫撝瑱z查燈也可用手持式脫脂檢查燈,打開紫外線脫脂檢查燈照射需要檢測的部分,如果出現(xiàn)明亮的熒光,則說明此處有油脂殘留。
②檢查油脂覆蓋:用于檢查油脂涂抹覆蓋的情況,如金屬工件防銹油的涂抹情況。用紫外線燈照射表面,有熒光的表示此處有涂抹,沒有熒光則說明此處沒有被涂抹到位。
③油脂泄露檢查:某些油脂必須保存在密閉環(huán)境下,出現(xiàn)滲漏就會(huì)造成一定的損失或危險(xiǎn),需要進(jìn)行定期檢查。用紫外線油脂檢查燈照射外部,如果出現(xiàn)明亮熒光,則說明此處出現(xiàn)油脂滲漏。
上海峰志儀器有限公司紫外線油脂檢查燈主要有紫外線手電筒LUYOR-3180和手持式led黑光燈LUYOR-3013D和臺(tái)式紫外線表面檢查燈LUYOR-3318UV,電池直流供電減少電線的束縛,可根據(jù)檢測的面積需求選擇不同大小樣式的檢測燈。更多關(guān)于油脂檢測請咨詢網(wǎng)頁底部.
為什么要氧氣管道清潔驗(yàn)證?Oxygen Cleaning Inspection Methods
污染是氧氣火災(zāi)的主要原因之一。上海峰志儀器有限公司查閱了許多火災(zāi)事故,這些事故本可以通過適當(dāng)?shù)那鍧崄眍A(yù)防,以去除不相容的油和油脂或小顆粒。材料在富氧環(huán)境中更容易點(diǎn)燃和燃燒,包括金屬和非金屬污染物。這些污染物是容易點(diǎn)燃并在氧氣中劇烈燃燒的燃料,可能導(dǎo)致災(zāi)難性后果。
在考慮氧氣系統(tǒng)和組件清潔度時(shí),上海峰志儀器遵循四步法確保安全使用:
開始清潔
驗(yàn)證是否干凈
組裝干凈
保持清潔
氧氣清潔檢查是驗(yàn)證裝配前后(步驟 2 和 3)以及日常維護(hù)期間(步驟 4)清潔的重要部分。這四個(gè)步驟中的每一個(gè)對于降低由污染物引起的氧氣火災(zāi)的總體風(fēng)險(xiǎn)都至關(guān)重要。
清洗多干凈才算干凈?
各種利用氧氣的行業(yè)依靠其標(biāo)準(zhǔn)來定義氧氣清潔的要求,包括ISO 15001,ASTM G93,EIGA 33/18,CGA G-4.1,MIL-1330D和SAE ARP1176。
當(dāng)有人問“多干凈才算干凈?”答案終取決于終應(yīng)用和污染物促進(jìn)點(diǎn)火的可能性。例如,小型高壓鋼瓶應(yīng)用通常比工業(yè)氧氣管道系統(tǒng)具有更嚴(yán)格的限制,因?yàn)樗鼈児逃械膲嚎s加熱危險(xiǎn)和對污染物的耐受性通常較低。醫(yī)用氧氣應(yīng)用范圍從高壓鋼瓶供應(yīng)到低壓供應(yīng)。無論何種應(yīng)用,清潔都涉及去除非揮發(fā)性殘留物 (NVR),例如油和油脂,以及小顆粒。
氧氣系統(tǒng)被“”清潔是有原因的;這些標(biāo)準(zhǔn)都規(guī)定了低于視覺水平的清潔度水平。他們?yōu)榍鍧嵍仍O(shè)定定量目標(biāo)值,定義不可接受的污染物的類型、數(shù)量和尺寸。
Oxygen Cleaning Inspection Methods
Why Clean For Oxygen Service?
Contamination is one of the leading causes of oxygen fires. WHA forensic engineers have investigated many fire incidents that could have been prevented with proper cleaning to remove incompatible oils and greases or small particulates.
Materials ignite and burn more easily in oxygen-enriched atmospheres, including metal and nonmetal contaminants. These contaminants are fuels that can be easy to ignite and burn vigorously in oxygen, potentially leading to catastrophic consequences.
When considering oxygen system and component cleanliness, WHA follows a four-step approach to ensure safe use:
Start clean
Verify clean
Assemble clean
Maintain clean
Oxygen cleaning inspection is an important part of both verifying clean before and after assembly (step 2 and 3) and during routine maintenance (step 4). Each of these four steps is critical to the reducing the overall risk of an oxygen fire caused by contaminants.
紫外線手電筒LUYOR-3180檢查產(chǎn)品表面殘留油脂
Qualitative (Visual) Oxygen Cleaning Inspection
In addition to quantitative inspection, technical personnel can also utilize a secondary qualitative (visual) inspection method.
Visual inspection cannot guarantee that a part meets quantitative cleanliness requirements, but it can indicate that a part is not clean. For this reason, it’s often performed as part of routine quality checks or maintenance, helping to ensure that no dangerous gross contamination is present.
Our eyes are actually very good inspection tools. We can see particles as small as 40-50 microns in size without a microscope. This is sufficient to detect the particulate levels specified in most oxygen cleaning standards, if we can visually access the oxygen-wetted surfaces of the parts. Visual inspection is fast, convenient, and cost-effective, making it a particularly useful tool in the field.