Me yasa bawul ɗin cryogenic ke amfani da dogayen bonnen wuyansa

Bawuloli masu dacewa da matsakaicin zafin jiki -40 ℃～-196 ℃ ana kiran su ƙananan zafin jiki, kuma irin waɗannan bawuloli gabaɗaya suna amfani da bonne masu tsayi.

Ana amfani da bonnet na dogon wuya don ƙayyade cewa bawul ɗin cryogenic ya haɗa da bawul ɗin rufewar gaggawa na cryogenic, bawul ɗin globe valve, bawul ɗin rajistan ƙira, LNG na musamman cryogenic bawul, NG na musamman cryogenic bawul, da sauransu, waɗanda galibi ana amfani da su a cikin tsire-tsire masu sinadarai kamar su. kamar ton 300,000 na ethylene da iskar gas mai ruwa.Abubuwan da ake fitarwa ruwa mai ƙarancin zafin jiki kamar ethylene, ruwa oxygen, hydrogen ruwa, iskar gas mai ɗorewa, samfuran albarkatun mai, da sauransu, ba kawai masu ƙonewa ba ne da fashewa ba, har ma suna fitar da iskar gas lokacin zafi, kuma ƙarar ta faɗaɗa ɗaruruwan lokuta lokacin da iskar gas ta cika. .

Ana buƙatar bonnen dogayen wuya saboda:

(1) Dogon wuyan ƙugiya yana da aikin kare ƙananan zafin jiki na kayan shayarwa, saboda matsananciyar akwatin shayarwa yana ɗaya daga cikin maɓallan ƙananan bawul ɗin zafin jiki.Idan akwai ɗigogi a cikin wannan akwatin shaƙewa, zai rage tasirin sanyaya kuma ya sa iskar gas ɗin ya yi tururi.A ƙananan zafin jiki, yayin da zafin jiki ya ragu, elasticity na marufi a hankali yana ɓacewa, kuma aikin tabbatarwa yana raguwa daidai.Saboda yatsan matsakaicin, tattarawa da ƙwanƙwasa bawul sun daskare, wanda ke shafar aikin yau da kullun na bututun bawul kuma yana haifar da tushen bawul ɗin motsi sama da ƙasa.An toshe shirya kaya, yana haifar da yabo mai tsanani.Sabili da haka, wajibi ne don tabbatar da cewa yawan zafin jiki na ɓangaren cikawa ya wuce 8 ° C.

(2) Tsarin murfin bawul na dogon wuyan wuyansa ya dace don nannade kayan rufewar sanyi don hana asarar makamashin sanyi na bawul ɗin zazzabi.

(3) Tsarin dogon wuyan wuyansa na bawul ɗin cryogenic ya dace don saurin maye gurbin babban ɓangaren bawul ta hanyar cire murfin bawul.Tun da bututun sarrafawa da bawuloli a cikin sashin sanyi na kayan aiki galibi ana shigar dasu a cikin ''akwatin sanyi'', murfin bawul mai tsayi mai tsayi zai iya fitowa ta bangon ''akwatin sanyi''.Lokacin maye gurbin manyan sassan bawul, kawai wajibi ne don cirewa da maye gurbin murfin bawul ba tare da rarraba jikin bawul ba.Jikin bawul da bututun bututun suna welded cikin jiki ɗaya, wanda ke rage zubar da akwatin sanyi kamar yadda zai yiwu kuma yana tabbatar da ƙarancin bawul ɗin.