Kodi valavu ya gulugufe wosapanga dzimbiri ndi chiyani?
Zachidule: Nkhaniyi ikufotokoza mwachidule mfundo zogwirira ntchito, magulu, ubwino ndi kuipa, ndi mavuto omwe anthu ambiri amakumana nawo agulugufe agulugufe achitsulo chosapanga dzimbiri, cholinga chake ndi kuthandiza aliyense kudziwa bwino za mavavu agulugufe achitsulo chosapanga dzimbiri.
Mavavu agulugufe achitsulo chosapanga dzimbiri (omwe amadziwikanso kuti mavavu a zitsulo zosapanga dzimbiri) ndi mavavu omwe amagwiritsa ntchito zigawo zooneka ngati diski kuti abwezerenso pa 90 ° kuti atsegule, kutseka, ndi kusintha njira zamadzimadzi. Monga chigawo chomwe chimagwiritsidwa ntchito pozindikira kuwongolera ndi kuwongolera kwamapaipi, ma valve agulugufe osapanga dzimbiri angagwiritsidwe ntchito kuwongolera kutuluka kwamitundu yosiyanasiyana yamadzimadzi monga mpweya, madzi, nthunzi, zowononga zosiyanasiyana, matope, zinthu zamafuta, zitsulo zamadzimadzi, ndi ma radioactive media. Amagwira ntchito makamaka podula ndi kugwedeza pamapaipi. Mavavu agulugufe osapanga dzimbiri akhala akugwiritsidwa ntchito kwambiri m'magawo ambiri monga mafuta, makampani opanga mankhwala, zitsulo, ndi mphamvu yamadzi.
Mfundo yogwirira ntchito ya mavavu agulugufe osapanga dzimbiri
https://www.youtube.com/embed/mqoAITCiMcA?si=MsahZ3-CbMTts_i7
Mavavu agulugufe achitsulo chosapanga dzimbiri, omwe amadziwikanso kuti mavavu a chitsulo chosapanga dzimbiri, ndi mavavu osapanga dzimbiri osapanga dzimbiri omwe atha kugwiritsidwa ntchito poyang'anira zowulutsa zapaipi zotsika. Amapangidwa makamaka ndi thupi la valve, tsinde la valve, mbale yagulugufe, ndi mphete yosindikizira. Thupi la vavu ndi cylindrical, ndi lalifupi axial kutalika ndi anamanga agulugufe mbale.
Mfundo yogwirira ntchito ya valavu yamagulugufe osapanga dzimbiri ndi kukwaniritsa cholinga chotsegula ndi kutseka kapena kusintha kupyolera mu gawo lotsegula ndi lotseka (mbale ya butterfly yooneka ngati diski) ikuzungulira kuzungulira kwake mu thupi la valve.
Ubwino ndi Kuipa kwa Stainless Steel Butterfly Valve
Ubwino wake
1. Torque yaing'ono yogwiritsira ntchito, yosavuta komanso yofulumira kutsegula ndi kutseka, 90 ° kubwereza kubwereza, kupulumutsa ntchito, kukana kwamadzimadzi pang'ono, ndipo imatha kugwiritsidwa ntchito pafupipafupi.
2. Mapangidwe osavuta, malo ang'onoang'ono oyika ndi kulemera kwake. Kutengera DN1000 mwachitsanzo, kulemera kwa valavu yamagulugufe osapanga dzimbiri ndi pafupifupi 2T pansi pamikhalidwe yomweyi, pomwe kulemera kwa valve yachitsulo chosapanga dzimbiri ndi pafupifupi 3.5T.
3. Vavu yagulugufe ndi yosavuta kuphatikiza ndi zida zosiyanasiyana zamagalimoto ndipo imakhala yolimba komanso yodalirika.
4. Malingana ndi mphamvu ya kusindikiza pamwamba, ingagwiritsidwe ntchito pazofalitsa ndi tinthu tating'ono tomwe timayimitsidwa, komanso zofalitsa za powdery ndi granular.
5. Tsinde la valavu ndi mawonekedwe a tsinde, omwe atenthedwa ndipo ali ndi zida zabwino zamakina, kukana kwa dzimbiri, komanso kukana abrasion. Vavu yagulugufe ikatsegulidwa ndi kutsekedwa, tsinde la valavu limangozungulira m'malo mokweza ndi kutsitsa. Kulongedza kwa tsinde la valve sikophweka kuwonongeka ndipo chisindikizo ndi chodalirika.
Zoipa
1. Kuthamanga kwa ntchito ndi kutentha kwa ntchito ndizochepa, ndipo kutentha kwa ntchito kumakhala pansi pa 300 ℃ ndi pansi pa PN40.
2. Kusindikiza kusindikiza kumakhala kosauka, komwe kumakhala koipa kuposa zitsulo zosapanga dzimbiri za mpira ndi zitsulo zosapanga dzimbiri. Choncho, amagwiritsidwa ntchito m'madera otsika kwambiri omwe zofunikira zosindikizira sizokwera kwambiri.
3. Kuthamanga kosinthika kosiyanasiyana sikuli kwakukulu. Pamene kutsegula kufika 30%, otaya amalowa kuposa 95%;
Gulu la mavavu agulugufe osapanga dzimbiri
A. Kugawikana ndi mawonekedwe
(1) Vavu yagulugufe yosindikizidwa pakati
(2) Valavu yamalasha yokhala ndi eccentric imodzi
(3) Vavu yagulugufe yosindikizidwa kawiri
(4) Valavu yotsekera katatu yosindikizidwa
B. Gulu posindikiza zinthu zapamwamba
(1) valavu ya butterfly yofewa yosindikizidwa, yomwe imagawidwa m'mitundu iwiri: zitsulo zopanda zitsulo komanso zopanda zitsulo zopanda zitsulo.
(2) Vavu yagulugufe yachitsulo chosapanga dzimbiri
C. Gulu mwa kusindikiza fomu
(1) Vavu yagulugufe yachitsulo chosapanga dzimbiri yomakanizidwa
(2) Elastic-sealed stainless stainless steel valve butterfly, mphamvu yosindikiza imapangidwa ndi kusungunuka kwa mpando wa valve kapena mbale ya valve pamene valavu yatsekedwa.
(3) Vavu yagulugufe yakunja yosindikizidwa ndi torque, mphamvu yosindikizira imapangidwa ndi torque yomwe imayikidwa pa shaft ya valve.
(4) Pressurized losindikizidwa zosapanga dzimbiri zitsulo valavu agulugufe, kuthamanga chisindikizo amapangidwa ndi pressurized zotanuka kusindikiza chinthu pa mpando valavu kapena valavu mbale.
(5) Zodziwikiratu-zosindikizidwa zosapanga dzimbiri zitsulo zagulugufe valavu, kukakamiza kusindikiza kumangopangidwa ndi kuthamanga kwapakati
D. Gulu mwa kukakamizidwa kugwira ntchito
(1) Vavu yagulugufe yachitsulo chosapanga dzimbiri. Zosapanga dzimbiri gulugufe valavu ndi ntchito kuthamanga otsika kuposa muyezo riyakitala mumlengalenga
(2) Valovu yagulugufe yachitsulo chosapanga dzimbiri. Vavu yagulugufe yachitsulo chosapanga dzimbiri yokhala ndi kuthamanga kwadzina PN＜1.6 MPa
(3) valavu yagulugufe yachitsulo chosapanga dzimbiri. Vavu yagulugufe yachitsulo chosapanga dzimbiri yokhala ndi kuthamanga kwadzina PN kwa 2.5--6.4MPa
(4) Kuthamanga kwambiri kwachitsulo chosapanga dzimbiri valavu. Vavu yagulugufe yachitsulo chosapanga dzimbiri yokhala ndi kuthamanga kwadzina PN kwa 10.0--80.0MPa
(5) Mavavu agulugufe osapanga dzimbiri okwera kwambiri. Vavu yagulugufe yachitsulo chosapanga dzimbiri yokhala ndi kuthamanga kwadzina PN＞100MPa
E. Gulu ndi kutentha kwa ntchito
(1) High kutentha zosapanga dzimbiri zitsulo valavu gulugufe, ntchito kutentha osiyanasiyana: t＞450C
(2) Sing'anga kutentha zosapanga dzimbiri zitsulo valavu gulugufe, ntchito kutentha osiyanasiyana: 120 C＜t＜450C
(3) Kutentha kwanthawi zonse valavu yagulugufe yachitsulo chosapanga dzimbiri. Ntchito kutentha osiyanasiyana: -40C＜t＜120 C
(4) Vavu yagulugufe yachitsulo chosapanga dzimbiri. Ntchito kutentha osiyanasiyana: -100＜t＜-40 C
(5) Vavu yagulugufe ya chitsulo chosapanga dzimbiri chotsika kwambiri. Kutentha kogwira ntchito: t＜-100 C
F. Gulu mwa dongosolo
(1) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(2) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(3) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(4) Lever zitsulo zosapanga dzimbiri gulugufe vavu
G. Gulu mwa njira yolumikizira(dinani kuti mudziwe zambiri)
(1) Vavu yagulugufe yamtundu wosapanga dzimbiri
(2) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(3) Lug mtundu valavu zosapanga dzimbiri gulugufe
(4) Vavu yagulugufe yachitsulo chosapanga dzimbiri
H. Gulu ndi njira yopatsira
(1) Valovu yagulugufe yachitsulo yosapanga dzimbiri
(2) valavu yagulugufe yachitsulo chosapanga dzimbiri
(3) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(4) Vavu yagulugufe yachitsulo chosapanga dzimbiri
(5) Vavu yagulugufe yamagetsi yamagetsi osapanga dzimbiri
(6) Electro-hydraulic linkage zitsulo zosapanga dzimbiri gulugufe valavu
I. Gulu mwa kukakamizidwa kugwira ntchito
(1) Vavu yagulugufe yachitsulo chosapanga dzimbiri. Kupanikizika kogwira ntchito ndikocheperako kuposa mulu wokhazikika wa mulu wam'mlengalenga
(2) Vavu yagulugufe yachitsulo yotsika yotsika. Kupanikizika mwadzina PN
(3) valavu yagulugufe yachitsulo chosapanga dzimbiri. Kuthamanga mwadzina PN ndi 2.5-6.4MPa
(4) Valovu yagulugufe yachitsulo chosapanga dzimbiri. Kuthamanga mwadzina PN ndi 10-80MPa
(5) Valovu yagulugufe ya chitsulo chosapanga dzimbiri. Kuthamanga mwadzina PN> 100MPa
Kukula kwamtsogolo kwa valavu yagulugufe yachitsulo chosapanga dzimbiri
Mavavu agulugufe osapanga dzimbiri amagwiritsidwa ntchito kwambiri. Zosiyanasiyana ndi kuchuluka kwa ntchito zake zikupitilira kukula, ndipo zikukula mpaka kutentha kwambiri, kuthamanga kwambiri, m'mimba mwake yayikulu, kusindikiza kwakukulu, moyo wautali, mawonekedwe abwino kwambiri osintha, ndi valavu imodzi yokhala ndi ntchito zingapo. Kudalirika kwake ndi zizindikiro zina zogwirira ntchito zafika pamtunda wapamwamba. Pogwiritsa ntchito mphira wopangidwa ndi mankhwala osachita dzimbiri m'mavavu agulugufe, magwiridwe antchito a zitsulo zosapanga dzimbiri agulugufe asinthidwa. Chifukwa mphira kupanga ali ndi makhalidwe kukana dzimbiri, kukana kukokoloka, dimensional bata, kulimba bwino, zosavuta kupanga, otsika mtengo, etc., ndi mphira kupanga ndi ntchito zosiyanasiyana akhoza kusankhidwa malinga ndi zofunika ntchito zosiyanasiyana kukwaniritsa mikhalidwe ntchito agulugufe mavavu. . Popeza polytetrafluoroethylene (PTFE) ali ndi dzimbiri kukana mwamphamvu, ntchito khola, si kosavuta kukalamba, otsika mikangano koyefishienti, zosavuta kupanga, khola kukula, ndipo akhoza kudzazidwa ndi kuwonjezeredwa ndi zipangizo zoyenera kuti patsogolo ntchito zake zonse bwino, zosapanga dzimbiri valavu gulugufe kusindikiza zakuthupi zokhala ndi mphamvu zabwinoko komanso kutsitsa kocheperako kumatha kupezeka, kuthana ndi zolephera za rabara yopangira. Chifukwa chake, zida zapamwamba zama cell polymer zomwe zimayimiridwa ndi polytetrafluoroethylene ndi kudzazidwa kwake ndi zida zosinthidwa zakhala zikugwiritsidwa ntchito kwambiri muzitsulo zosapanga dzimbiri zagulugufe, potero kupititsa patsogolo magwiridwe antchito a zitsulo zosapanga dzimbiri zagulugufe ndikupanga mavavu agulugufe chitsulo chosapanga dzimbiri okhala ndi kutentha kwakukulu komanso kupanikizika, kusindikiza kodalirika. ntchito ndi moyo wautali wautumiki.
Pogwiritsa ntchito kutentha kwapamwamba, kutentha kwapansi kugonjetsedwa, kugonjetsedwa kwamphamvu kwa dzimbiri, kulimbana ndi kukokoloka kwamphamvu komanso mphamvu zambiri za aloyi mu mavavu agulugufe zitsulo zosapanga dzimbiri, ma valve agulugufe osindikizidwa zitsulo akhala akugwiritsidwa ntchito kwambiri kutentha kwakukulu ndi kutsika, kukokoloka kwamphamvu, kwautali. moyo ndi minda ina mafakitale, ndi m'mimba mwake lalikulu (9 ~ 750mm), kuthamanga (42.0MPa) ndi osiyanasiyana kutentha osiyanasiyana (-196 ~ 606 ℃) zosapanga dzimbiri zitsulo agulugufe mavavu aonekera, kubweretsa teknoloji ya zitsulo zosapanga dzimbiri agulugufe mavavu latsopano. mlingo.
Zowonongeka zachitsulo zosapanga dzimbiri
Elastomer ya rabara mu valavu ya gulugufe imang'ambika, kuvala, kukalamba, kuphulika kapena kugwa pamene ikugwiritsidwa ntchito mosalekeza. Njira yachikhalidwe yowotcha vulcanization ndiyovuta kuti igwirizane ndi zosowa za kukonza pamalopo. Zida zapadera ziyenera kugwiritsidwa ntchito pokonza, zomwe zimawononga kwambiri kutentha ndi magetsi, ndipo zimakhala zowononga nthawi komanso zogwira ntchito. Masiku ano, zida zophatikizika za polima zikugwiritsidwa ntchito pang'onopang'ono m'malo mwa njira zachikhalidwe, zomwe zimagwiritsidwa ntchito kwambiri ndiukadaulo wa Fushilan. Kumamatira kwapamwamba komanso kukana kwamphamvu kwazinthu zake kumatsimikizira kuti moyo wautumiki wa magawo atsopano umatheka kapena kupitilira mutatha kukonza, kufupikitsa kwambiri nthawi yopuma.
Mfundo zazikuluzikulu za kusankha ndi kukhazikitsa mavavu agulugufe osapanga dzimbiri
1. Malo oyikapo, kutalika, ndi njira zolowera ndi zotulukira za mavavu agulugufe zitsulo zosapanga dzimbiri ziyenera kukwaniritsa zofunikira, ndipo kulumikizana kuyenera kukhala kolimba komanso kolimba.
2. Pamitundu yonse ya ma valve amanja omwe amaikidwa pa mapaipi otsekedwa, zogwirira ntchito siziyenera kuyang'ana pansi.
3. Maonekedwe a valavu ayenera kuyang'aniridwa asanakhazikitsidwe, ndipo dzina la valve liyenera kutsata zomwe zilipo panopa "General Valve Marking" GB 12220. Kwa ma valve omwe ali ndi mphamvu yogwira ntchito kuposa 1.0 MPa ndi ma valve omwe kudula chitoliro chachikulu, mphamvu ndi mayesero okhwima ntchito ayenera kuchitidwa pamaso unsembe, ndipo angagwiritsidwe ntchito atapambana mayeso. Pakuyezetsa mphamvu, kupanikizika kwa mayeso ndi 1.5 kuwirikiza mwadzina, ndipo nthawiyo siichepera mphindi 5. Nyumba zokhala ndi ma valve ziyenera kukhala zopanda kutayikira kuti zikhale zoyenerera. Panthawi yoyezetsa zolimba, kupanikizika kwa mayeso ndi 1.1 nthawi yadzina; kupanikizika kwa mayeso panthawi yoyezetsa kuyenera kukwaniritsa zofunikira za GB 50243, ndipo malo osindikizira a valve akuyenera kukhala opanda kutayikira kuti akhale oyenerera.
4. Ma valve a butterfly ndi oyenera kuyendetsa kayendedwe kake. Popeza kuthamanga kwa mavavu agulugufe mu chitoliro kumakhala kwakukulu, pafupifupi katatu kuposa mavavu a zipata, posankha mavavu agulugufe, chikoka cha kutayika kwa mapaipi amtundu wa payipi chiyenera kuganiziridwa bwino, ndi mphamvu ya mbale ya gulugufe kuti ipirire. Kuthamanga kwapakati pa mapaipi akatsekedwa kuyeneranso kuganiziridwa. Kuonjezera apo, malire a kutentha kwazitsulo zotanuka pampando wa valve pa kutentha kwakukulu ayeneranso kuganiziridwa.
Mapeto
Kawirikawiri, valavu ya butterfly ya chitsulo chosapanga dzimbiri ndi chida cha valve chokhala ndi ntchito yabwino kwambiri komanso yogwiritsidwa ntchito kwambiri, yomwe ili yoyenera kulamulira madzimadzi m'mafakitale osiyanasiyana. Posankha ndikugwiritsa ntchito, mawonekedwe ake ndi zofunikira zogwiritsira ntchito ziyenera kuganiziridwa bwino, ndipo zofunikira zoyenera ndi zizindikiro ziyenera kusankhidwa kuti zitsimikizire kukhazikika ndi chitetezo cha ntchito ya zida.
