Tuta-1

Umarnin zaɓin Valve

1. Zaɓin bawul ɗin ƙofar

Gabaɗaya, ya kamata a fi son bawul ɗin ƙofar.Ƙofa bawul ba kawai dace da tururi, man fetur da sauran kafofin watsa labarai, amma kuma ga matsakaici dauke da granular daskararru da kuma babban danko, kuma dace da iska da kuma low injin tsarin bawuloli.Don kafofin watsa labarai masu ƙaƙƙarfan barbashi, jikin bawul ɗin ƙofar zai sami ramukan tsarkakewa ɗaya ko biyu.Don matsakaicin matsakaicin zafin jiki, ya kamata a zaɓi bawul ɗin ƙofar ƙananan zafin jiki na musamman.

2. Bayanin zaɓin bawul ɗin duniya  

Bawul ɗin Globe ya dace da buƙatun juriya na ruwa na bututun, wato, ba a la'akari da asarar matsa lamba, kuma babban zafin jiki, babban bututun matsakaici ko na'urar, dace da DN <200mm tururi da sauran bututun watsa labarai;Ƙananan bawuloli na iya zaɓar bawul ɗin duniya, kamar bawul ɗin allura, bawul ɗin kayan aiki, bawul ɗin samfur, bawul ɗin ma'aunin matsa lamba, da dai sauransu. , ya kamata ya zaɓi bawul ɗin duniya ko bawul ɗin maƙura;Don matsakaici mai guba mai guba, ya dace a zaɓi bellows shãfe haske globe bawul;Koyaya, bai kamata a yi amfani da bawul ɗin duniya don matsakaici tare da babban danko da matsakaici mai ɗauke da barbashi mai sauƙin hazo ba, kuma bai kamata a yi amfani da shi don bawul ɗin iska da ƙananan bawul ɗin tsarin injin ba.

3, Bduk umarnin zaɓin bawul 

Ball bawul ya dace da ƙananan zafin jiki, matsa lamba, danko na matsakaici.Yawancin bawuloli na ball za a iya amfani da su tare da dakatar da m barbashi a cikin matsakaici, bisa ga sealing abu bukatun kuma za a iya amfani da foda da granular kafofin watsa labarai;Cikakken tashar ball bawul ɗin ba ya dace da ƙa'idodin kwarara, amma ya dace da lokuttan da ake buƙatar buɗewa da sauri da rufewa, wanda ya dace don fahimtar yankewar gaggawa na hatsarori;Yawancin lokaci a cikin aikin rufewa mai tsauri, lalacewa, tashar raguwa, buɗewa da rufewa da sauri, yankewar matsa lamba (bambancin matsa lamba), ƙaramar ƙararrawa, yanayin gasification, ƙananan ƙarfin aiki, ƙananan juriya na ruwa a cikin bututun, ya ba da shawarar yin amfani da bawul ɗin ball. ;Bawul ɗin ƙwallon ƙwallon ya dace da tsarin haske, ƙarancin yanke-kashe, kafofin watsa labarai masu lalata;Ball bawul ko ƙananan zafin jiki, matsakaicin cryogenic shine mafi kyawun bawul ɗin, tsarin bututun matsakaicin matsakaicin zafin jiki da na'urar, yakamata a yi amfani da shi tare da murfin bawul ɗin ƙarancin zafin bawul;Selection na iyo ball bawul bawul wurin zama abu ya kamata gudanar da ball da kuma aiki matsakaici load, babban diamita ball bawul a cikin aiki na bukatar mafi girma karfi, DN≥200mm ball bawul ya kamata a zaba tsutsa gear watsa form;Kafaffen bawul ɗin ƙwallon ƙafa ya dace da diamita mafi girma da lokuta mafi girma;Bugu da ƙari, bawul ɗin ƙwallon ƙwallon da aka yi amfani da shi don aiwatar da abubuwa masu guba sosai, bututun matsakaici mai ƙonewa, ya kamata ya kasance yana da kariya ta wuta, tsarin anti-static.

4, Throttle bawul umarnin zaɓi 

Makullin bawul ya dace da matsakaicin zafin jiki yana da ƙananan, lokatai masu yawa, dace da buƙatar daidaitawa da sassa na matsa lamba, bai dace da danko ba kuma ya ƙunshi m barbashi na matsakaici, ba a matsayin bangare bawul.

 

5, Pumarnin zaɓi na lug bawul

Filogi bawul ya dace da saurin buɗewa da lokutan rufewa, gabaɗaya bai dace da tururi da matsakaicin zafin jiki ba, don ƙarancin zafin jiki, matsakaicin danko mai ƙarfi, kuma ya dace da matsakaici tare da abubuwan dakatarwa.

6, Bumarnin zaɓin bawul ɗin gaba ɗaya

Butterfly bawul ya dace da babban diamita (kamar DN> 600mm) da buƙatun tsayin tsayin tsari, kazalika da buƙatun ƙa'idodin kwarara da buƙatun buɗaɗɗen buɗaɗɗen buƙatun lokaci, gabaɗaya ana amfani da su don zazzabi ≤80 ℃, matsa lamba ≤1.0MPa. ruwa, man fetur da iska mai matsewa da sauran kafofin watsa labarai;Idan aka kwatanta da bawuloli na kofa da bawul ɗin ƙwallon ƙafa, bawul ɗin malam buɗe ido sun dace da tsarin bututu tare da buƙatun asarar matsa lamba.

7, Check bawul selection umarnin

Duba bawuloli gabaɗaya sun dace da tsaftataccen kafofin watsa labarai, ba don kafofin watsa labaru masu ɗauke da tsayayyen barbashi da danko ba.Lokacin DN≤40mm, yi amfani da bawul ɗin dubawa na ɗagawa (kawai an yarda a sanya su akan bututun kwance);Lokacin da DN = 50 ~ 400mm, yana da kyau a yi amfani da bawul ɗin dubawa na lilo (a cikin bututun da ke kwance da kuma a tsaye za a iya shigar da shi, kamar shigar da bututun tsaye, matsakaicin matsakaici daga ƙasa zuwa sama);Lokacin DN≥450mm, ya kamata a yi amfani da bawul ɗin duba nau'in buffer;Lokacin da DN = 100 ~ 400mm kuma zai iya zaɓar bawul ɗin rajistan wafer;Za'a iya yin bawul ɗin rajistan juyawa na babban matsin aiki, PN har zuwa 42MPa, bisa ga harsashi da kayan hatimi ana iya amfani da su zuwa kowane matsakaici da kowane kewayon zazzabi mai aiki.Matsakaici shine ruwa, tururi, iskar gas, matsakaici mai lalata, mai, magani, da dai sauransu. Yanayin zafin aiki na matsakaici shine tsakanin -196 ℃ da 800 ℃.

 

8, Dumarnin zaɓi na iaphragm bawul 

Diaphragm bawul dace da aiki zafin jiki ne kasa da 200 ℃, matsa lamba ne kasa da 1.0MPa man fetur, ruwa, acidic matsakaici da kuma dakatar matsakaici, bai dace da kwayoyin kaushi da kuma karfi oxidant matsakaici;Abrasive granular matsakaici ya kamata ya zaɓi bawul ɗin diaphragm bawul, bawul ɗin diaphragm mai ƙyalli ya kamata ya koma teburin halayensa;Ruwa mai viscous, slurry siminti da matsakaicin hazo yakamata ya zaɓi madaidaiciya ta bawul ɗin diaphragm;Bai kamata a yi amfani da bawul ɗin diaphragm akan layukan injin motsa jiki da na'urorin injin ba sai an ƙayyade.

Valves sun bambanta a aikace-aikace, yawan aiki da sabis.Don sarrafawa ko kawar da ƙananan leaks, bawuloli sune kayan aiki mafi mahimmanci da mahimmanci.Koyon zaɓar bawul ɗin da ya dace yana da mahimmanci.

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Lokacin aikawa: Nuwamba-19-2021