21000-28-05-20-035-04-02 Tarin Haɗawa Mai Sassauci na Bently Nevada

Takaitaccen Bayanin Samfur

Bently Nevada 21000-28-05-20-035-04-02 na’ura ce mai ƙarfi, mai jure fashewa wato Proximity Probe Housing Assembly, da aka ƙera domin kare muhimman na’urorin auna jijjiga (dynamic vibration sensors). An gina ta da jikin aluminium mai nauyi da ƙarfi da kuma rigar ciki ta bakin ƙarfe 304 stainless steel, kuma cikakkiyar bin ka’idojin ƙungiyar American Petroleum Institute ne na API 670 Standard don gidajen ɗaurin sondar auna nesa (probe housings) da ake ɗaurawa a waje. Ana cikinta da reverse-mount 3300 XL 8mm proximity probe, wanda ke bawa ƙungiyoyin kula da gyara damar isa, daidaita gibin (gap), ko sauya na’urar auna (sensor) daga wajen jikin injin ba tare da tsaida injin gaba ɗaya a kan tsada ba.

Manyan Fasaloli

• Tsarin da Ya Cika Ka’idar API 670: An tsara ta musamman domin biyan ƙa’idojin tsauri na masana’antar petrochemical da samar da wutar lantarki kan ɗaure na’urar auna a waje da kuma iyakokin tsaro.
• Jikin Aluminium Mai Jure Fashewa: Jikin aluminium mai ƙarfi amma mai sauƙin nauyi, tare da murfin dome mai dunƙulewa da ingantaccen O-ring don kulle hanya.
• Takardun Shaidar Guraren Hatsari na Arewacin Amurka: Hukumar Canadian Standards Association (CSA) ta tabbatar da ita don Class I Div 1 & 2 (Groups C, D) da Class II (Groups E, F, G) wuraren da ke da haɗarin fashewa.
• Kariyar Muhalli Mai Jure Yanayi: Ta sami shaidar CSA Type 4, wadda ke bayar da gagarumar kariya daga ruwan sama mai ƙarfi, ƙurar masana’antu, da ƙananan sinadarai masu sa lalata.

Ƙayyadaddun Fasaha

Jagorar Injiniya & Shigarwa

• Hadin Injin (Mechanical Interface) & Iyakokin Nauyi: Yana auna kusan 1.10 kg (2.40 lbs), majalisar 21000 tana amfani da jikin gidan aluminium mai sauƙin nauyi amma mai ƙarfi. Saboda tana haɗa standoff adapter na 2.0-inch, dole ne a duba zaɓin zaren daurawa 3/4-14 NPT a kai a kai don tabbatar da daidaiton layi. A dunƙule cikin ramon da aka tara a bangon jikin injin, a matse zaren hatimin da kyau don kiyaye shingen iskar gas mai ƙarfi ba tare da yayyo ba.
• Iyakokin Ƙara Tsawon Zagaye (Loop Extension): A lura da iyakokin tsawon kebul na zahiri. Tunda wannan nau’in yana da gajeriyar kebul na probe na ciki mai tsawon 0.5 meter, haɗin na’urar auna na ciki ba zai bayyana a wajen jikin rigar ba. Jimillar tsawon da aka amince na standoff da bututun shigarwa an iyakance shi zuwa 13.5 inches (34.3 mm) domin igiyar 0.5m ta iya kaiwa ba tare da tsuke ko jan wahala ba.
• Rufe Bututun Conduit da Rufewa: Tsarin Option 04 yana zuwa da plug na ƙarfe guda ɗaya 3/4-14 NPT. Don shigarwa mai jure fashewa, tabbatar cewa bakin bututun conduit da ke bude an rufe shi gaba ɗaya da cable gland da aka amince da shi ko kayan cike conduit sealing compound, don hana hayakin iskar fashewa bi ta layin kayan aunawa (instrumentation loop lines).
• Kashe Wutar Ƙwayar Lantarki (Intrinsically Safe Grounding): Don loops masu intrinsically safe a cikin yankunan sarrafa tsari masu haɗari, tabbatar da cewa shigarwar ta dace da zanen Bently Nevada na nuni 140979. Ka tabbatar da ƙwararan haɗin ƙasa (earth bonding) tsakanin jikin aluminium da iskar ƙarfen injin gaba ɗaya, don kawar da cajin lantarki na wuce gona da iri.

Tambayoyi na Fasaha (Technical FAQs)

Q1: Menene ma’ana idan wannan proximity probe housing assembly ta cika ƙa’idar API 670?
A1: API 670 ita ce ƙa’idar asali ta American Petroleum Institute don tsarin kariyar injuna. Cikawa yana tabbatar da cewa gidan yana biyan ƙa’idojin duniya na girma, iyakokin ƙarfin gini, kariya daga muhalli, da ka’idojin ɗaurewa a waje da ake buƙata don kare na’urorin auna jijjiga a kan muhimman injunan matatun mai da gas.

Q2: Me yasa gidan 21000 ke buƙatar 2-inch standoff adapter tare da zurfin shigar 3.5-inch?
A2: Standoff adapter na 2.0-inch yana ɗaga babban akwatin haɗin tashar aluminium daga fatar waje mai zafi ta jikin injin. Sai kuma rigar shigar zurfin 3.5-inch ta sauko ta cikin kayan rufin zafi da bangon injin, tana sanya tip na cikin 3300 XL 8mm probe a daidaitaccen gibin proximity da ake buƙata don gano motsin shaft.

Q3: Menene amfanin tsarin reverse-mount probe da ke cikin wannan majalisar 21000?
A3: A cikin tsarin forward-mount na gargajiya, sauya probe yana buƙatar a kwance manyan murfin injin. Tsarin reverse-mount yana baka damar buɗe murfin dome, ka ja probe daga bayan rigar bakin ƙarfe 304 stainless steel daga wajen injin, ta haka yana rage lokacin da kayan aiki za su tsaya yayin sauya na’urorin auna a lokacin kulawa na yau da kullum.