A cikin tsarin samar da masana'antu da masana'antu, wasu tankunan da aka auna suna da sauƙi don yin crystallize, mai danko sosai, mai lalata, da sauƙin ƙarfafawa.Ana yawan amfani da masu watsa matsi na flange guda ɗaya da biyu a waɗannan lokutan., Kamar: tankuna, hasumiyai, kettles, da tankuna a cikin tsire-tsire masu tsire-tsire;ruwa ajiya tankuna domin samar da evaporator raka'a, ruwa matakin ajiya tankuna for desulfurization da denitrification shuke-shuke.Dukansu 'yan'uwan flange guda ɗaya da biyu suna da aikace-aikace da yawa, amma sun bambanta da bambanci tsakanin buɗewa da hatimi.Buɗaɗɗen tankuna guda ɗaya na iya zama tankuna masu rufaffiyar, yayin da flanges biyu suna da ƙarin rufaffiyar tankuna don masu amfani.
Ka'idar mai watsa matsewar flange guda ɗaya mai auna matakin ruwa
Mai watsa matsa lamba-flange guda ɗaya yana yin jujjuya matakin ta hanyar auna yawan buɗaɗɗen tanki, Ma'aunin matakin buɗaɗɗen kwantena.
Lokacin auna matakin ruwa na buɗaɗɗen buɗaɗɗen buɗaɗɗen buɗaɗɗen buɗaɗɗen, ana shigar da mai watsawa a kusa da kasan kwandon don auna matsin da ya dace da tsayin matakin ruwan sama da shi.Kamar yadda aka nuna a hoto na 1-1.
Matsakaicin matakin ruwa na akwati yana haɗa da babban matsin lamba na mai watsawa, kuma ƙananan matsa lamba yana buɗewa zuwa yanayi.
Idan mafi ƙanƙanta matakin ruwa na kewayon canjin matakin ruwa da aka auna yana sama da wurin shigarwa na mai watsawa, mai watsawa dole ne yayi ƙaura mai inganci.
Hoto 1-1 Misalin auna ruwa a budadden akwati
Bari X ya zama nisa a tsaye tsakanin mafi ƙanƙanta da matakin ruwa mafi girma da za a auna, X=3175mm.
Y shine nisa a tsaye daga tashar matsa lamba na mai watsawa zuwa mafi ƙarancin matakin ruwa, y=635mm.ρ shine yawan ruwa, ρ=1.
h shine matsakaicin matsi na kai wanda ginshiƙin ruwa X ke samarwa, a cikin KPa.
e shine shugaban matsin lamba da ginshiƙin ruwa Y ya samar, a cikin KPa.
1mH2O = 9.80665Pa (daidai a ƙasa)
Ma'auni yana daga e zuwa e+h don haka: h = X·ρ=3175×1=3175mmH2O=31.14KPa
e=y·ρ=635×1= 635mmH2O= 6.23KPa
Wato, kewayon ma'aunin mai watsawa shine 6.23KPa～37.37KPa
A takaice, a zahiri muna auna tsayin matakin ruwa:
Tsayin matakin ruwa H=(P1-P0)/(ρ*g)+D/(ρ*g);
Lura: P0 shine matsi na yanayi na yanzu;
P1 shine ƙimar matsa lamba na auna gefen babban matsin lamba;
D shine adadin ƙaura.
Ka'idar mai watsa matsi na flange biyu mai auna matakin ruwa
Mai watsa matsi na flange biyu yana yin jujjuya matakin ta hanyar auna yawan tankin da aka hatimi: Haɗin busasshen bugun jini.
Idan iskar gas da ke sama da ruwa ba ta taso ba, bututu mai haɗawa a gefen ƙananan matsi na mai watsawa ya kasance bushe.Ana kiran wannan yanayin busasshen haɗin matukin jirgi.Hanyar tantance ma'aunin mai watsawa daidai yake da na matakin ruwa a cikin buɗaɗɗen akwati.(Duba Hoto na 1-2).
Idan iskar gas a kan ruwan ya taru, ruwa zai taru a hankali a cikin bututun jagorar matsa lamba akan ƙaramin matsi na mai watsawa, wanda zai haifar da kurakuran aunawa.Domin kawar da wannan kuskuren, kafin a cika ƙananan matsa lamba gefen bututun jagora na mai watsawa tare da wani ruwa.Ana kiran wannan yanayin rigar haɗin kai mai jagora.
A cikin yanayin da ke sama, akwai matsi mai kai a kan ƙananan matsa lamba na mai watsawa, don haka dole ne a yi ƙaura mara kyau (duba Hoto 1-2)
Hoto 1-2 Misalin ma'aunin ruwa a cikin rufaffiyar akwati
Bari X ya zama nisa a tsaye tsakanin mafi ƙanƙanta da matakin ruwa mafi girma da za a auna, X=2450mm.Y shine nisa a tsaye daga tashar matsa lamba na mai watsawa zuwa mafi ƙarancin matakin ruwa, Y=635mm.
Z shine nisa daga saman bututu mai jagora mai cike da ruwa zuwa layin tushe na mai watsawa, Z=3800mm,
ρ1 shine yawan ruwa, ρ1=1.
ρ2 shine yawan ruwa mai cike da ƙananan magudanar ruwa na gefe, ρ1=1.
h shine matsakaicin matsi na kai wanda aka gwada ta shafi na ruwa X, a cikin KPa.
e shine matsakaicin matsakaicin shugaban da aka gwada ta shafi na ruwa Y, a cikin KPa.
s shine kan matsa lamba da ginshiƙin ruwa Z ke samarwa, a cikin KPa.
Ma'aunin ma'auni yana daga (es) zuwa (h+es), sannan
h=X·ρ1=2540×1=2540mmH2O =24.9KPa
e=Y·ρ1=635×1=635mmH2O =6.23KPa
s=Z·ρ2=3800×1=3800mmH2O=37.27KPa
So: es=6.23-37.27=-31.04KPa
h+e = 24.91+6.23 -37.27= -6.13KPa
Lura: A takaice, a zahiri muna auna tsayin matakin ruwa: tsayin matakin ruwa H = (P1-PX) / (ρ * g) + D / (ρ * g);
Lura: PX shine auna ma'auni na matsi na gefen ƙananan matsa lamba;
P1 shine ƙimar matsa lamba na auna gefen babban matsin lamba;
D shine adadin ƙaura.
Kariyar Shigarwa
Alamun shigar flange guda ɗaya
1. Lokacin da aka yi amfani da mai watsa wariyar ƙwayar flange guda ɗaya don buɗaɗɗen tankuna don auna matakin ruwa na buɗaɗɗen tankunan ruwa, gefen L na gefen ƙananan matsa lamba ya kamata a buɗe zuwa yanayi.
2. Don tankin ruwa mai rufewa, bututun jagorar matsa lamba don jagorantar matsa lamba a cikin tankin ruwa ya kamata ya zama piping a gefen L na ƙananan ƙirar gefen matsa lamba.Yana ƙayyade ma'aunin ma'aunin tanki.Bugu da ƙari, koyaushe cire bawul ɗin magudanar ruwa a gefen L don zubar da condensate a cikin ɗakin gefen L, in ba haka ba zai haifar da kurakurai a cikin ma'aunin matakin ruwa.
3. Ana iya haɗa mai watsawa zuwa shigarwa na flange a kan babban matsi kamar yadda aka nuna a cikin Hoto 1-3.Flange a gefen tanki gabaɗaya flange ne mai motsi, wanda aka gyara shi a wancan lokacin kuma ana iya walda shi tare da dannawa ɗaya, wanda ya dace da shigarwa akan rukunin yanar gizon.
Hoto 1-3 Misalin shigarwa na nau'in flange mai watsa matakin ruwa
1) Lokacin auna matakin ruwa na tankin ruwa, yakamata a saita matakin mafi ƙarancin ruwa (sifilin sifili) a nesa na 50mm ko fiye daga tsakiyar hatimin hatimin hatimin babban matsi.Hoto na 1-4:
Hoto 1-4 Misalin shigarwa na tankin ruwa
2) Shigar da diaphragm na flange akan babban (H) da ƙananan (L) matsi na gefen tanki kamar yadda aka nuna akan lakabin mai watsawa da firikwensin.
3) Don rage tasirin bambancin yanayin yanayin muhalli, ana iya ɗaure tubes na capillary a gefen matsanancin matsin lamba tare da gyarawa don hana tasirin iska da rawar jiki (ya kamata a jujjuya tubes na capillary na babban dogon lokaci tare da juna. da gyarawa).
4) Yayin aikin shigarwa, gwada kada ku yi amfani da digo na ruwa mai rufewa zuwa hatimin diaphragm kamar yadda zai yiwu.
5) Ya kamata a shigar da jikin mai watsawa a nesa fiye da 600mm a ƙasan babban matsi na gefe mai nisa flange diaphragm hatimin shigarwa sashin, ta yadda za a ƙara digowar ruwan hatimin capillary a jikin mai watsawa gwargwadon iko.
6) Hakika, idan ba za a iya shigar da 600mm ko fiye a kasa da shigarwa part na flange diaphragm hatimin part saboda iyakance na shigarwa yanayi.Ko kuma lokacin da kawai za a iya shigar da jikin mai watsawa sama da sashin shigarwar hatimin flange saboda dalilai na haƙiƙa, matsayin shigarwar sa dole ne ya dace da dabarar lissafi mai zuwa.
1) h: tsayi tsakanin sashin hatimi mai nisa na flange diaphragm da jikin mai watsawa (mm);
① Lokacin h≤0, yakamata a shigar da jikin mai watsawa sama da h (mm) ƙasa da ɓangaren shigarwar hatimin diaphragm flange.
②Lokacin h>0, yakamata a shigar da jikin mai watsawa ƙasa da h (mm) sama da ɓangaren shigarwar hatimin flange diaphragm.
2) P: Matsalolin ciki na tankin ruwa (Pa abs);
3) P0: Ƙananan iyaka na matsa lamba da jikin mai watsawa ke amfani da shi;
4) Yanayin zafin jiki: -10～50 ℃.
Lokacin aikawa: Dec-15-2021