I-Blind Flange

Ama-blind flange amadiski aqinile asetshenziselwa ukuvimba ipayipi, i-valve, noma ukuvulwa komkhumbi ocindezelayo. Zenzelwe ukufakwa nokususwa kalula, okuzenza zilungele izinhlelo zokusebenza ezidinga ukuhlolwa njalo noma ukulungiswa. Akhiwe ngezinto ezihlukahlukene ezifana ne-carbon steel, insimbi engagqwali, ne-alloy steel, ama-blind flange anikeza amandla amahle kakhulu, ukuqina, kanye nokumelana nokucindezela nezinga lokushisa. Itholakala ngezilinganiso zengcindezi ehlukahlukene (ANSI/ASME, DIN, JIS, njll.), iqinisekisa ukuvala okuvikelekile nokuhambisana nezindinganiso zamazwe ngamazwe. Ama-blind flange asetshenziswa kakhulu ezimbonini ezifana nowoyela negesi, i-petrochemical, ukukhiqiza amandla, nokwelashwa kwamanzi.

I-Blind Flange Isicelo

Ama-blind flange avame ukusetshenziswa ezinhlelweni zamapayipi ukuze kuvalwe ukuphela kwepayipi, i-valve, noma ukuvulwa komkhumbi ocindezelayo. Zibalulekile kumasistimu adinga ukunwetshwa, ukuhlolwa, noma ukunakekelwa okuzayo. Ama-blind flange asetshenziswa kabanzi ezimbonini ezifana nowoyela negesi, ukucubungula amakhemikhali, amakhemikhali e-petrochemicals, ukukhiqiza ugesi, ukuhlanzwa kwamanzi kanye nokwakhiwa kwemikhumbi. Ziwusizo ikakhulukazi ezindaweni ezinomfutho ophezulu kanye nezinga lokushisa eliphezulu lapho uphawu oluvikelekile nolungavuzi lubalulekile. Ngokunikeza umgoqo oqinile, ama-flange ayimpumputhe asiza ukuqinisekisa ubuqotho besistimu nokuphepha kokusebenza.

Iyini i-blind flange?

A i-blind flange wuhlobo lwe-flange olusetshenziselwa ukuvala ukuphela kwesistimu yamapayipi noma ukuvulwa komkhumbi wokucindezela. Ngokungafani namanye ama-flange, ayinayo imbobo emaphakathi, okuyenza ilungele ukumisa ukugeleza koketshezi noma amagesi. Ama-blind flange avame ukusetshenziswa lapho ipayipi lidinga ukuvalwa okwesikhashana noma unomphela, noma uma kulindeleke ukunwetshwa noma ukulungiswa okuzayo. Aboshelwa kuma-flange afanayo futhi angasuswa kalula futhi afakwe kabusha lapho kudingeka.

Akhiqizwe ngezinto ezihlukahlukene ezifana ne-carbon steel, insimbi engagqwali, nensimbi ye-alloy, ama-blind flange atholakala ngebanga elibanzi losayizi nezilinganiso zokucindezela ukuze ahlangabezane nezidingo ezihlukene zezimboni. Zenzelwe ukumelana nengcindezi ephezulu nezimo zokushisa, zinikeze isivalo esivikelekile, esingavuzi.

Ama-blind flange asetshenziswa kakhulu ezimbonini ezifana nowoyela negesi, ukucutshungulwa kwamakhemikhali, ukwelapha amanzi, ukukhiqiza amandla, kanye nokwakhiwa kwemikhumbi. Ukuklama kwazo okuqinile nokusebenziseka kalula kuzenza zibe yisixazululo esisebenzayo sokuvala amapayipi amapayipi kuyilapho zivumela ukufinyelela esikhathini esizayo. Ukwengeza, ama-blind flange avame ukusetshenziswa ngesikhathi sokuhlolwa kwengcindezi yamapayipi, ukuqinisekisa ukuthi uhlelo luphephile futhi aluvuzi ngaphambi kokusebenza.

Uyifaka kanjani i-blind flange?

Ukufaka i i-blind flange kuhlanganisa ukuvala isiphetho sesistimu yamapayipi ngokuvikelekile ukuze kumiswe ukugeleza noma ukuvumela ukufinyelela esikhathini esizayo. Inqubo iqala ngokuqinisekisa ukuthi ubuso be-flange nama-gaskets kuhlanzekile futhi akunayo imfucumfucu. I-gasket efanelekile, ehambisana noketshezi nokucindezela ohlelweni, ibekwe phakathi kwe-blind flange kanye ne-mating flange.

Okulandelayo, qondanisa izimbobo ze-bolt zazo zombili ama-flanges bese ufaka ama-bolts. Kubalulekile ukusebenzisa inombolo efanele kanye nebanga lamabhawodi njengoba kucaciswe isilinganiso se-flange. Amabhawodi kufanele aqiniswe kancane kancane ngephethini ye-crisscross (inkanyezi) ukuze kuqinisekiswe ngisho nokucindezela endaweni yokuvala. Lokhu kuvimbela ukungqubuzana futhi kuqinisekisa ukuxhumana okungavuzi.

I-torque wrench iyanconywa ukuze kufakwe itorque engaguquki nefanelekile kubhawodi ngayinye, ngokulandela izicaciso zomkhiqizi. Ngemva kokufaka, isistimu ingase ihlolwe ingcindezi ukuze ihlole ukuvuza futhi iqinisekise uphawu oluvikelekile.

Ukufakwa kwe-blind flange kuvame ukwenziwa phakathi nokuvalwa kwesistimu noma ukunqanyulwa kwamapayipi futhi yakhelwe ukususwa kalula lapho ulayini udinga ukunwetshwa, ukuvulwa, noma ukunakekelwa. Izinyathelo zokuphepha kufanele zihlale zilandelwa, ikakhulukazi kumasistimu anengcindezi noma ezindaweni eziyingozi.