Fananizani valavu ya diaphragm ndi valavu ya mvuvu mu zida za aseptic, valavu yapadziko lonse, valavu ya diaphragm, valavu ya mpira, valavu yachipata, valavu yotetezera ndi ma valve ena momwe mungayesere kuthamanga, njira ndi ziti?

Fananizani valavu ya diaphragm ndi valavu ya mvuvu mu zida za aseptic, valavu yapadziko lonse, valavu ya diaphragm, valavu ya mpira, valavu yachipata, valavu yotetezera ndi ma valve ena momwe mungayesere kuthamanga, njira ndi ziti?

Popanga aseptic, valavu yoyimitsa yomwe imagwiritsidwa ntchito kwambiri ndi diaphragm stop valve, yomwe nthawi zambiri imatchedwa diaphragm valve. Chifukwa chomwe ma valve a diaphragm amagwiritsidwa ntchito popanga aseptic ndi chifukwa cha mawonekedwe awo osavuta komanso mtengo wotsika, zomwe zimapangitsa kuti pakhale "opikisana" ochepa. Mavavu opikisana ndi diaphragm amatchedwa mavavu a bellows globe, omwe amadziwika kuti ma bellows valves. Valavu iyi ya bellows globe chifukwa cha mtengo wake wapamwamba, ngakhale ili ndi mwayi wabwinoko kuposa valavu ya diaphragm, komabe zimakhala zovuta kupikisana ndi valavu ya diaphragm, monga tafotokozera m'nkhaniyi.

PTFE corrugated chubu

Mpikisano pakati pa mavuvu ndi ma diaphragms ndi mbiri yakale mumakampani a aseptic process. Kwa nthawi yayitali, valavu ya diaphragm yokhala ndi mawonekedwe ake osavuta, mtengo wotsika komanso kupha tizilombo toyambitsa matenda komanso yabwino kukhala pamwamba. Poyerekeza ndi valavu ya diaphragm, mavavu a bellows pamsika wamitundu yosiyanasiyana ndi ochepa kwambiri. Vesta bellows valve yopangidwa ndi Tuchenhagen ndikungodzaza kusiyana kumeneku, pepala ili kupyolera mu valavu ya diaphragm ndi kufananitsa ma valve, ubwino ndi kuipa kwa ma valve awiriwa ndi omveka bwino.

Chotsani ntchito

Mukafuna kugwiritsa ntchito valavu ya diaphragm mupaipi yopingasa, muyenera kuwonetsetsa kuti valavu ya diaphragm yayikidwa mu payipi yopingasa molingana ndi Angle yofotokozedwa ndi wopanga ma valve a diaphragm. Kupanda kutero, pakugwiritsa ntchito zida zogwirira ntchito, chilolezo cha valavu ya diaphragm chidzakumana ndi zovuta zina, ndipo sing'anga mu thupi la valavu sangathe kutulutsidwa kwathunthu. Komabe, kuyika kopendekeka Kwamitundu yosiyanasiyana ya ma valve a diaphragm, mavavu a diaphragm opangidwa ndi opanga osiyanasiyana ndi ma valve a diaphragm okhala ndi mitundu yosiyanasiyana yothamanga ndi yosiyana, yomwe nthawi zambiri imabweretsa zovuta pakupanga ndi kupanga zida za aseptic. Mu T - ma valve opangidwa ndi diaphragm, vuto ili lopanda thupi limawonekera kwambiri.

Poyerekeza ndi valavu ya diaphragm, Vesta bellow valve sichidzayambitsa vuto loterolo, ziribe kanthu kuti thupi la Vesta bellow valve liri lotani, pogwiritsira ntchito zipangizo zopanda katundu sikudzakhala "angle yakufa", kuti kuonetsetsa kugawanika kolimba kwa payipi. Kuphatikiza apo, imatha kukhazikitsidwa mumayendedwe a zida za aseptic m'njira zosiyanasiyana.

M'makampani opanga mankhwala, zida zopangira aseptic zimakhala ndi mapaipi ambiri opingasa komanso ofukula. Popanga zida zamankhwala, chifukwa cha malo a chitoliro ndi zifukwa zaukadaulo, ndikofunikira kukhazikitsa valavu ya bellow pamalo enaake. Mwachitsanzo, ngati valavu ya diaphragm yaikidwa mu chitoliro choyima, iyenera kulumikizidwa ndi bend ya 90 ° mu ndege yopingasa yofanana. Mtengo wopangira valavu ya diaphragm ya T ndi yokwera kwambiri, poyerekeza ndi ma valve opangidwa ndi mawonekedwe amtundu wa diaphragm, valavu ya bellows imakhala ndi voliyumu ndi mawonekedwe, komanso kulumikizana ndi kuyika kwa chitoliro kumtunda. Chifukwa chakuti mitundu iwiri ya ma valve a globe ndi yosiyana, choncho, pokonzekera koyambirira kwa zida za aseptic, tiyenera kusankha mtundu wa valve wa globe womwe uyenera kusankhidwa pa gawo lililonse.

Zipangizo zotulutsa muzamankhwala, chakudya ndi biotechnology zili ndi mavavu ambiri omwe amafunikira kutsekedwa. Ma valve akuluakulu, monga a mndandanda wa Stericom, sagwiritsidwa ntchito pang'onopang'ono pakafunika kupha tizilombo toyambitsa matenda. Chifukwa, pazida zopangira izi, zofunikira zotumizira zamtundu wapakatikati ndizochepa, chifukwa chakuyenda pang'ono, anthu pafupifupi palibe amene amasankha valavu ya diaphragm. Valavu yatsopano ya bellows ili ndi kukula kocheperako ndipo imatha kugwiritsidwa ntchito ndi ma diameter osiyanasiyana, zomwe zimapatsa mwayi kuposa ma valve a diaphragm.

Kufananiza kugwiritsa ntchito zida

Monga wogwiritsa ntchito zipangizozi, m'moyo wonse wa zipangizo zomwe zingatheke kuti agwiritse ntchito zipangizo zopangira, ndiko kuti: kugwiritsa ntchito zipangizozo kuyenera kukhala kwakukulu momwe zingathere. Kukonza zida kumatanthauza kuti zidazo ziyenera kuyimitsa kupanga, komanso kuyika kuchuluka kwa kukonza zida. Vavu ya Bellows nthawi zambiri imakhala ndi vuto; Mu valavu ya diaphragm, valavu ikavala, diaphragm iyenera kusinthidwa pambuyo pa nthawi inayake yogwiritsira ntchito. Moyo wautumiki wa diaphragm umadalira njira yofananira yopanga. Kumbali imodzi, kukokoloka kwa yosalala TV mu ndondomeko zida, kutentha kwa payipi kuyeretsa ndi disinfection, kuthamanga ntchito ndi otaya mlingo wa zida ndondomeko ndi magawo ena ntchito zidzakhudza moyo utumiki wa diaphragm; Kumbali ina, kusinthika kwa diaphragm pamene valavu yoyimitsa diaphragm imatsegulidwa ndi kutsekedwa ndi chinthu chofunika kwambiri kuti mudziwe moyo wautumiki wa diaphragm.

Vesta imayimitsa valve yokhala ndi pneumatic drive

Kuwonongeka kwa valve ya diaphragm sikuyenera kugwiritsidwa ntchito popanga, m'malo mwake, chifukwa cha kuwonongeka kwa mawotchi. Ngakhale mavavu a diaphragm ali ndi magawo osiyanasiyana zotanuka, zokutira zosiyanasiyana, ndi mbale zosiyanasiyana za PTFE, koma kwa mavavu onse a diaphragm ali ndi zovala zosaoneka zakunja (kukokoloka kwa pamwamba ndi kulumikizidwa kwa tinthu koyambitsidwa ndi media zamkati). Choncho, pofuna kupewa aseptic ndondomeko kupanga chifukwa kuwonongeka kwa valavu diaphragm anakakamizika kusiya kupanga, mchitidwe nthawi zambiri mu moyo delimited utumiki pamaso m'malo mwa diaphragm. Mwa njira iyi, kaya amakakamizika m'malo chiwerengero cha diaphragms, akadali chifukwa yokonza, kapena zipangizo downtime, kwambiri kuposa PTFE mvuvu valavu valavu, ndi ubwino wina wa bellows valavu ndi kuti angagwiritsidwe ntchito pafupifupi zosiyanasiyana. njira.

magawo

Chigawo chapakati cha Vesta bellows valve ndi TFM1705PTFE cutobellows. Kuphatikiza pa kugonjetsedwa ndi dzimbiri zamitundu yosiyanasiyana yamankhwala, zida za TFM1705 zimakwaniritsanso zofunikira za FDA Gawo 21 §177.1550 la Federal Regulations for "perfluorocarbon resin". Malo ake osalala (Ra≤0.8mm), chisindikizo chodalirika, nthawi yayikulu yosinthira ndi mawonekedwe ena, kuti azitha kupha tizilombo toyambitsa matenda a CIP/SIP ndi kuyeretsa nthawi zambiri zimakhala zabwino. Kwa zaka zoposa zitatu, valavu yovomerezeka ya bellows yakhazikitsidwa bwino pamsika ndipo imapereka kudzipatula kokhazikika kwa mlengalenga mkati ndi kunja kwa chitoliro mu chitoliro chosabala.

Globe valve, diaphragm valve, valve valve, valve valve, valve chitetezo ndi ma valve ena momwe mungayesere kuthamanga, njira zake ndi ziti?

Popanga mafakitale, valavu yoyika pampu yamadzi imagwiritsidwa ntchito kwambiri, musanagwiritse ntchito valavu, ena amafunikira kuyesa kukakamiza, valavu yapadziko lonse lapansi, valavu ya diaphragm, valavu ya mpira, valavu yachipata, valavu yachitetezo ndi zina zotero, ndizovuta zotani. Njira zoyesera za valavu, nthawi zonse, ma valve a mafakitale omwe amagwiritsidwa ntchito sayesa mphamvu, koma pambuyo pokonza thupi la valve ndi chivundikiro cha valve kapena valavu yowonongeka ndi chivundikiro cha valve chiyenera kuyesa mphamvu. Kwa ma valve otetezera, kukakamiza koyikirako ndi kukakamiza kubwerera ndi mayeso ena akuyenera kugwirizana ndi zomwe alemba ndi malamulo okhudzana nawo. Mayesero a mphamvu ndi zolimba ayenera kuchitidwa musanayike ma valve. Otsika-anzanu valavu malo cheke 20%, monga magawano ayenera 100% anayendera; Mavavu apakati ndi apamwamba ayenera kuyang'aniridwa 100%. Njira yomwe imagwiritsidwa ntchito poyesa kuthamanga kwa ma valve ndi madzi, mafuta, mpweya, nthunzi, nayitrogeni, ndi zina zotero. Njira yoyezera kuthamanga kwa ma valve osiyanasiyana a mafakitale kuphatikizapo ma valve a pneumatic ndi awa:

1. Njira yoyesera yokakamiza ya valve ya globe ndi valve throttle

Kuyesa kwamphamvu kwa valavu yapadziko lonse lapansi ndi valavu ya throttle, nthawi zambiri imayika valavu yosonkhanitsidwa muzitsulo zoyesera, tsegulani diski ya valve, jekeseni sing'anga mpaka mtengo wotchulidwa, fufuzani ngati thupi la valve ndi valavu yophimba thukuta ndi kutuluka. Itha kukhalanso gawo limodzi loyesa mphamvu. Kuyesa kusindikiza ndi kwa valve yoyimitsa yokha. Yesani tsinde la valve yoyimitsa, valavu yotseguka, sing'anga kuchokera kumapeto kwa diski kupita kumtengo wokhazikika, yang'anani kulongedza ndi gasket; Mukayenerera, tsekani chimbale ndikutsegula mbali ina kuti muwone ngati pali kutayikira. Ngati mphamvu ya valavu ndi kuyesa kusindikiza ziyenera kuchitidwa, mukhoza kuyesa mphamvu poyamba, ndiyeno mutsike ku mayeso osindikizira amtengo wapatali, fufuzani kulongedza ndi gasket; Kenako kutseka chimbale, kutsegula kutulukira kuti muwone ngati kusindikiza pamwamba kutayikira.

2. Njira yoyezera kupanikizika kwa valve yachipata: Kuyesa kwamphamvu kwa valve yachipata ndi yofanana ndi ya globe valve. Pali njira ziwiri zoyesera kulimba kwa ma valve a pachipata.

① Chipata chimatsegulidwa kuti kupanikizika mkati mwa valve kukweze pamtengo wotchulidwa; Kenako kutseka chipata, nthawi yomweyo tulutsani valavu yachipata, fufuzani ngati pali kutayikira mu chisindikizo kumbali zonse ziwiri za chipata, kapena lowetsani mwachindunji sing'anga yoyesera mu pulagi pa chivundikiro cha valve ku mtengo wotchulidwa, fufuzani chisindikizo pa onse awiri. mbali za chipata. Njira yomwe ili pamwambayi imatchedwa kuyesa kwapakati papakati. Njirayi siyoyenera kuyesa chisindikizo cha valavu ya chipata chokhala ndi DN32mm mwadzina.

(2) Njira ina ndiyo kutsegula chipata, kotero kuti kupanikizika kwa valavu kumakwera pamtengo wotchulidwa; Ndiye kutseka chipata, kutsegula mbali imodzi ya mbale akhungu, fufuzani ngati kusindikiza pamwamba kutayikira. Bwerezani mayeso omwe ali pamwambawa mpaka mutayenerera.

Kuyesa kolimba pakunyamula ndi gasket ya valavu ya pneumatic gate iyenera kuchitidwa musanayese kulimba kwa valve ya pachipata.

3, njira yoyesera kuthamanga kwa agulugufe

Mayesero amphamvu a valavu ya butterfly ya pneumatic ndi yofanana ndi ya valve ya globe. Ntchito yosindikiza ya valavu ya butterfly iyenera kuyesedwa kuchokera kumapeto kwa umunthu wa sing'anga yopita ku sing'anga yoyesera, mbale ya butterfly iyenera kutsegulidwa, mapeto ena a blockade, kuthamanga kwa jekeseni ku mtengo wotchulidwa; Mukayang'ana zosindikizira ndi zisindikizo zina kuti sizikutha, tsekani mbale yagulugufe, tsegulani mbali inayo, ndikuyang'ana chisindikizo cha gulugufe kuti chisatayike. Vavu yagulugufe yomwe imagwiritsidwa ntchito powongolera kayendedwe kake simayesa ntchito yosindikiza.

4. Njira yoyesera ya plug valve

Asanayesedwe valavu ya pulagi, wosanjikiza wa mafuta odzola osakhala acidic amaloledwa pamalo osindikizira, ndipo palibe kutayikira ndi madontho owonjezera amadzi omwe amapezeka mkati mwa nthawi yodziwika bwino. Nthawi yoyesera ya valavu ya pulagi ikhoza kukhala yayifupi, yomwe imatanthauzidwa kuti l ~ 3min molingana ndi m'mimba mwake.

(1) Pamene valavu ya pulagi iyesedwa mphamvu, sing'anga imayambitsidwa kuchokera kumbali imodzi kuti itseke njira yotsalayo, ndipo pulagi imazunguliridwa kumalo otseguka kwathunthu kuti ayesedwe. Palibe kutayikira komwe kumapezeka mu thupi la valve.

(2) Poyesa kusindikiza, tambala wautali ayenera kusunga kupanikizika kwa m'mimba mofanana ndi ndimeyi, kutembenuza pulagi kumalo otsekedwa, kuyang'ana kuchokera kumbali ina, ndiyeno kutembenuza pulagi nthawi 180 kubwereza zomwe zili pamwambapa. kuyesa; Ma valve a pulagi a njira zitatu kapena zinayi ayenera kusunga kupanikizika m'chipindacho mofanana ndi kumapeto kwa ndimeyi, kutembenuza pulagi kumalo otsekedwa, kuwonetsa kupanikizika kuchokera kumapeto kwa Angle, ndikuyang'ana kuchokera kumbali ina. kutha nthawi yomweyo.

5. Njira yoyesera yokakamiza ya valve yowunika

Yang'anani mawonekedwe a mayeso a valve: kukweza mtundu wa valavu valavu axis pamalo yopingasa ndi ofukula; Swing check valve channel axis ndi disc axis pafupifupi kufanana ndi mzere wopingasa. Pakuyesa mphamvu, sing'anga yoyesera imayambitsidwa ku mtengo womwe umatanthauzidwa kuchokera kumapeto, ndipo mapeto ena amatsekedwa. Ndikoyenera kuwona kuti thupi la valve ndi chivundikiro cha valve sichikutuluka. Mayeso osindikizira awonetsa njira yoyesera kuchokera kumapeto, ndikuyang'ana malo osindikizira pamapeto olowera. Ndikoyenera kuti palibe kutayikira pa kulongedza ndi gasket.

6, njira yoyezera kuthamanga kwa valve yotetezera

Kuyesa kwamphamvu kwa valve yotetezera ndikofanana ndi ma valve ena, omwe amayesedwa ndi madzi. Poyesa gawo lapansi la thupi la valve, kupanikizika kumayambitsidwa kuchokera ku inlet I = I kutha, ndipo malo osindikizira amasindikizidwa; Poyesa pamwamba pa thupi ndi bonnet, kupanikizika kumayambitsidwa kuchokera kumapeto kwa El ndipo mapeto ena amatsekedwa. Thupi la valve ndi bonnet ziyenera kukhala zoyenerera popanda kutayikira mkati mwa nthawi yotchulidwa.

(2) Kulimba kuyesa ndi kuyesa kupanikizika kosalekeza, kugwiritsidwa ntchito kwakukulu kwa sing'anga ndi: valavu yotetezera nthunzi yokhala ndi nthunzi yodzaza ngati njira yoyesera; Ammonia kapena valavu ina ya gasi yokhala ndi mpweya ngati njira yoyesera; Vavu yamadzi ndi zakumwa zina zosawononga zimagwiritsa ntchito madzi ngati njira yoyesera. Nayitrogeni amagwiritsidwa ntchito ngati njira yoyesera mavavu ena ofunikira otetezera.

Chisindikizo chosindikizira ndi mtengo wamtengo wapatali ngati chiyeso choyezetsa, chiwerengero cha nthawi sichocheperapo kawiri, palibe kutayikira mkati mwa nthawi yomwe imadziwika kuti ndi yoyenera. Pali mitundu iwiri ya njira zodziwira kutayikira: imodzi ndikusindikiza kulumikizana kwa valavu yotetezera, ndikuyika pepala la minofu ndi batala pa El flange. Tizilombo pepala ndi bulging kuti kutayikira, osati bulging kwa oyenerera; Chachiwiri ndi ntchito batala kusindikiza woonda mbale pulasitiki kapena mbale zina pa m'munsi mwa flange kubwereketsa, madzi kusindikiza valavu chimbale, fufuzani madzi si kuwira oyenerera. Kupanikizika kosalekeza ndi nthawi zoyesera zobwereza za valve yotetezera sizidzakhala zosachepera nthawi za 3, ndipo zidzasankhidwa kukhala oyenerera. Kuyesa kwa ntchito ya valve yachitetezo onani njira yoyesera ya GB/T122421989 chitetezo cha valve.

7. Njira yoyezera kupanikizika kwa valve yochepetsera kuthamanga

(1) Mayesero amphamvu a valve yochepetsera mphamvu nthawi zambiri amasonkhanitsidwa pambuyo pa mayesero amodzi, kapena pambuyo pa mayesero a msonkhano. Nthawi yoyesera mphamvu: DN50mm lmin; Dn65-150mm kutalika kuposa 2min; DN150mm yaitali kuposa mphindi 3. Pambuyo powotcherera ndi zigawozo, kuyesa mphamvu kumachitika ndi mpweya pa 1.5 nthawi zothamanga kwambiri pambuyo pa valavu yochepetsera mphamvu.

② Kuyesa kolimba kumachitika molingana ndi sing'anga yeniyeni yogwirira ntchito. Poyesa ndi mpweya kapena madzi, mayeserowo adzachitidwa pa nthawi ya 1.1 ya mphamvu yadzina; Kuyesa kwa nthunzi kumachitika pazovuta zogwira ntchito kwambiri zomwe zimaloledwa pa kutentha kwa ntchito. Kusiyana pakati pa kukakamiza kolowera ndi kutulutsa kotulutsa kuyenera kukhala kosachepera 0.2MPa. Njira yoyesera ili motere: pambuyo pa kulowetsedwa kwa inlet kusinthidwa, chowongolera chowongolera cha valve chimasinthidwa pang'onopang'ono, kotero kuti kuthamanga kwa kutuluka kungasinthe mofulumira komanso mosalekeza mkati mwa mtengo waukulu ndi waung'ono, popanda kuima ndi kutsekereza zochitika. Kwa valve yochepetsera kuthamanga kwa nthunzi, pamene mphamvu yolowera imachotsedwa, valavu imatsekedwa ndiyeno valavu imachepetsedwa, ndipo kuthamanga kwa kutuluka kumakhala kwakukulu komanso kochepa. Mkati mwa 2min, kuyamikira kwa kuthamanga kwa kutuluka kuyenera kugwirizana ndi mtengo womwe wafotokozedwa mu Table 4.17622. Pakalipano, voliyumu ya payipi kumbuyo kwa valve imatanthauzidwa kuti ndi yoyenera mogwirizana ndi Table 4.18. Kwa ma valve ochepetsa kuthamanga kwa madzi ndi mpweya, pamene mphamvu yolowera imayikidwa ndipo kuthamanga kwa kutuluka ndi zero, kuyesa kusindikiza kumachitika pa valve yotseka yochepetsera. Ndikoyenera kuti palibe kutayikira mkati mwa mphindi 2.

8, njira yoyezera kuthamanga kwa valve ya mpira: kuyesa kwamphamvu kwa valve ya pneumatic kuyenera kuchitidwa mu gawo lotseguka la mpira.

① Mayeso oyandama a valve oyandama: valavu ndi theka lotseguka, mbali imodzi yoyeserera, ina yotsekedwa; Mpirawo udzagubuduza kangapo, valavu imatsekedwa potsegula kuyendera kumapeto kwa kusindikiza, nthawi yomweyo yang'anani kulongedza ndi kusindikiza gasket ntchito, sikuyenera kukhala zochitika zowonongeka. Ndiye njira yoyesera imayambitsidwa kuchokera kumapeto kwina ndipo mayeso omwe ali pamwambawa akubwerezedwa.

(2) Kuyesedwa kolimba kwa valve ya mpira: mayeso asanayese mpirawo udzakhala wopanda katundu wogubuduza kangapo, valavu yokhazikika ya mpira imakhala yotsekedwa, kuchokera kumapeto kwa sing'anga yoyesera mpaka mtengo wokhazikika; Mpweya wopimitsira umagwiritsidwa ntchito poyang'ana ntchito yosindikiza kumapeto kwa cholowera. Kulondola kwa 0.5 ~ 1, ndipo miyeso yoyezera ndi nthawi 1.5 ya kuthamanga kwa mayeso. Pa nthawi yowonongeka, palibe chodabwitsa cha depressurization chomwe chili choyenera; Kenako yambitsani njira yoyesera kuchokera kumapeto ena ndikubwereza mayeso omwe ali pamwambapa. Ndiye, valavu ndi theka lotseguka, nsonga ziwirizo zimatsekedwa, mkati mwa mkati mwadzaza ndi sing'anga, yang'anani kulongedza ndi gasket pansi pa kupanikizika kwa mayesero, sikuyenera kukhala kutayikira.

③ Vavu yanjira zitatu iyenera kukhala yayitali pamalo aliwonse poyesa kusindikiza.

9, njira yoyesera ya diaphragm valve pressure

Mayeso a mphamvu ya ma valve a diaphragm kuchokera kumapeto kwa kuyambika kwa sing'anga, tsegulani diski, mapeto ena a blockade, kupanikizika kwa mayeso ku mtengo wotchulidwa, onani thupi la valve ndi chivundikiro cha valve palibe kutayikira komwe kuli koyenerera. Kenako tsikirani ku kukakamiza kwa mayeso olimba, kutseka chimbale, tsegulani mbali ina kuti muwunikenso, palibe kutayikira komwe kuli koyenera.