Dzina la valve ndi chitsanzo cha valve chitsanzo cha kufananitsa mitundu ya valve, kugwiritsa ntchito ma valve osiyanasiyana

Dzina la valve ndi chitsanzo cha valve chitsanzo cha kufananitsa mitundu ya valve, kugwiritsa ntchito ma valve osiyanasiyana Chitsanzo 1: Kuyendetsa magetsi, kulumikiza kwa flange, zipata ziwiri zokhala ndi ndodo yotseguka, zosindikizira pamwamba pa mpando wa valve zomwe zimakonzedwa mwachindunji ndi thupi la valve, kuthamanga kwadzina PN = 0.1 MPa chipata cha valavu chachitsulo chachitsulo chonyezimira: Vavu idzakhala amatchulidwa molingana ndi njira yotumizira, mawonekedwe olumikizira, mawonekedwe omangika, zida zomangira ndi mtundu, koma zotsatirazi sizidzasiyidwa pamatchulidwe: 1) Fomu yolumikizira: "flange". 2) Mu mawonekedwe apangidwe: A. Chipata valavu "tsinde", "zotanuka", "zolimba" ndi "chipata chimodzi"; B. Dulani-kupyolera mu mtundu wa valavu ya globe ndi valve yotsekemera; C. valavu ya mpira "yoyandama" ndi "yowongoka"; D. valavu gulugufe "molunjika mbale"; E. valavu ya diaphragm "mtundu wa denga"; F. Pulagi vavu "kulongedza" ndi "molunjika-kupyola"; G. Chongani valavu "yowongoka" ndi "chophimba chimodzi"; H. "osasindikiza" valve yothandizira. 3) Dzina lazinthu zomwe zimasindikizidwa pamwamba pa mpando wa valve. Chitsanzo cha valavu ndi njira yokonzekera dzina Chitsanzo 1 Kuyendetsa magetsi, kulumikiza kwa flange, ndodo yotseguka yamtundu wapawiri, zida zosindikizira mpando wa valve zimakonzedwa mwachindunji ndi thupi la valve, kuthamanga kwadzina PN = 0.1 MPa valve body material ndi chipata chachitsulo cha imvi valavu: 2942 W-1 yamagetsi yamagetsi amtundu wapawiri pachipata valavu Chitsanzo 2: Buku, kugwirizana kwa ulusi wakunja, valavu yoyandama ya mpira, yowongoka, yosindikizira pamwamba pa pulasitiki ya fluorine, kuthamanga kwadzina PN = 4.0mpa, thupi la 1 Cr18Ni9Ti: Q21f -40p kunja kwa valavu ya mpira Chitsanzo 3 Pneumatic nthawi zambiri imatseguka, kugwirizana kwa flange, denga la denga, zipangizo zopangira mphira, kuthamanga kwadzina PN = 0.6mpa, valavu ya valavu ya chitsulo cha gray cast diaphragm: G6k41j-6 pneumatic kawirikawiri yotsegula mtundu wa rabara valavu ya diaphragm Chitsanzo 4 hydraulic butterfly valve, kugwirizana kwa flange, mbale yowongoka, kusindikiza pamwamba pa mpando ndi chitsulo choponyedwa, kusindikiza pamwamba pa disc ndi mphira, kuthamanga kwadzina PN-0.25mpa} Thupi la thupi ndi chitsulo chonyezimira: D741 X-2.5 hydraulic valavu butterfly Chitsanzo 5 Kuyendetsa galimoto, kugwirizana kolowera, mtundu wowongoka, mpando wa valve wosindikizira pamwamba ndi carbide yolimba, kuthamanga kwa 540 ℃ ndi 17 MPa, valavu ya thupi ndi chromium-platinamu-vanadium zitsulo zapadziko lapansi: J961 Y-P54170 V Mavavu amagetsi opangidwa ndi magetsi Kuyerekeza mitundu ya ma valve ndi kugwiritsa ntchito ma valve osiyanasiyana 1, chifukwa chiyani valavu yodulidwa iyenera kusankha chisindikizo cholimba momwe zingathere? Kutsika kwa ma valve kutayikira, kumakhala bwino, kutayikira kwa valve yotsekera yofewa ndikotsika kwambiri, kudulidwa kwake ndikwabwino, koma osavala kugonjetsedwa, kudalirika kosadalirika. Kuchokera pamiyezo iwiri ya kutayikira kwakung'ono ndi kusindikiza kodalirika, kusindikiza kofewa sikuli bwino ngati kusindikiza kolimba. Monga ntchito yonse ya valavu ya ultra light, yosindikizidwa ndi yodzaza ndi chitetezo cha alloy chosavala, kudalirika kwakukulu, kuthamanga kwa 10-7, yatha kukwaniritsa zofunikira za valve yodulidwa. 2, chifukwa chiyani valavu yosindikizira iwiri singagwiritsidwe ntchito ngati valavu yodulidwa? Ubwino wa valavu yokhala ndi mipando iwiri ndi mphamvu yoyendetsera mphamvu, yomwe imalola kusiyana kwakukulu, ndipo kuipa kwake kwakukulu ndikuti malo awiri osindikizira sangakhale ogwirizana nthawi imodzi, zomwe zimapangitsa kuti pakhale kutuluka kwakukulu. Ngati ndizochita kupanga, zovomerezeka pazochitika zodula, mwachiwonekere zotsatira zake sizili zabwino, ngakhale zitakhala kuti zasintha zambiri (monga valavu yosindikizira kawiri), sizofunika. 3. N'chifukwa chiyani valavu yokhala ndi mipando iwiri imakhala yosavuta kugwedeza pamene ikugwira ntchito ndi kutsegula pang'ono? Kwa pachimake chimodzi, pamene sing'anga ili yotseguka, kukhazikika kwa valve ndikwabwino; Pamene sing'anga ili yotsekedwa mtundu, kukhazikika kwa valve kumakhala kosauka. Valve yokhala ndi mipando iwiri imakhala ndi spool iwiri, spool yapansi ili mumtsinje wotsekedwa, spool yapamwamba imakhala yotseguka, choncho, mu ntchito yaing'ono yotsegula, kutuluka kwatsekedwa kutsekedwa kumakhala kosavuta kuyambitsa kugwedezeka kwa valve, izi. ndi chifukwa chake valavu yokhala ndi mipando iwiri singagwiritsidwe ntchito potsegula ntchito yaying'ono. 4, ndi ntchito yanji yowongoka yoletsa valavu yowongoka yomwe sikuyenda bwino, magwiridwe antchito otsekereza ma valve ndi abwino? Chowongoka chowongoka cha valve spore chimakhala chowongoka, ndipo sing'anga ndi yopingasa kulowa ndi kutuluka mu chipinda cholowera cha valve chiyenera kutembenuka, kotero kuti njira yothamanga ya valve yakhala yovuta kwambiri (mawonekedwe monga mtundu wa S). Mwanjira iyi, pali madera ambiri akufa, kupereka malo kwa mpweya wa sing'anga, zomwe, pamapeto pake, zimayambitsa kutsekeka. Angle stroke valve throttling direction ndi njira yopingasa, yopingasa yopita mkatikati, yopingasa kutuluka, yosavuta kuchotsa sing'anga yonyansa, nthawi yomweyo njira yotuluka ndi yosavuta, danga lamvula ndilochepa kwambiri, kotero kuti valavu ya Angle stroke imatsekeka. ntchito ndi yabwino. 5, chifukwa chiyani tsinde la valve yowongoka yowongoka ndi yowonda? Vavu yowongoka yowongoka imaphatikizapo mfundo yosavuta yamakina: kukangana kotsetsereka, kukangana kwapang'ono. Molunjika sitiroko valavu tsinde mmwamba ndi pansi kayendedwe, atanyamula pang'ono zolimba, izo adzaika tsinde phukusi ndi zothina kwambiri, chifukwa chachikulu kubwerera kusiyana. Kuti izi zitheke, kapangidwe ka tsinde ndi kakang'ono kwambiri, ndipo kulongedzako nthawi zambiri kumagwiritsidwa ntchito ndi kagawo kakang'ono ka ptfe kulongedza, kuti achepetse kusiyana kobwerera, koma vuto ndiloti tsinde ndi lochepa thupi, losavuta kupindika, ndi moyo. za kulongedza ndi zazifupi. Kuti athetse vutoli, njira yabwino ndikugwiritsa ntchito tsinde la valve yozungulira, ndiye kuti, mtundu wa valavu yowongolera, tsinde lake kuposa tsinde lowongoka 2 ~ 3, ndikusankha kulongedza kwa graphite kwa moyo wautali, kuuma kwa tsinde ndikwabwino, kunyamula. moyo ndi wautali, makokedwe amakangana ndi yaying'ono, yaing'ono kumbuyo. 6, chifukwa chiyani valavu ya Angle stroke idadula kusiyana kokulirapo? Angle stroke valve imadula kusiyana kwa kuthamanga ndikokulirapo, chifukwa media mu spool kapena mbale ya valve pa torque yomwe imapangidwa ndi shaft yozungulira ndi yaying'ono kwambiri, chifukwa chake imatha kupirira kusiyana kwakukulu. 7. N'chifukwa chiyani valavu ya manja inalowa m'malo mwa valavu imodzi ndi iwiri? Kubwera kwa valavu ya manja m'zaka za m'ma 1960, zaka za m'ma 1970 pazogwiritsidwa ntchito zambiri zapakhomo ndi zakunja, kukhazikitsidwa kwa zida za petrochemical m'zaka za m'ma 1980 zinali ndi chiŵerengero chachikulu, panthawiyo, anthu ambiri amakhulupirira kuti valavu ya manja imatha. sinthani valavu imodzi, yokhala ndi mipando iwiri, khalani m'badwo wachiwiri wazinthu. Mpaka pano, izi siziri choncho, ma valve okhala ndi mpando umodzi, ma valve okhala ndi mipando iwiri, ma valve a manja amagwiritsidwa ntchito mofanana. Izi ndichifukwa choti valavu ya manja imangokhala mawonekedwe owongolera bwino, kukhazikika komanso kukonza bwino kuposa valavu imodzi yokha, koma kulemera kwake, kutsekereza ndi kutulutsa zizindikiro ndi valavu imodzi, yokhala ndi mipando iwiri, ingalowe bwanji m'malo mwa valavu imodzi, yokhala ndi mipando iwiri? Choncho, angagwiritsidwe ntchito pamodzi. 8, chifukwa ntchito desalination madzi sing'anga mphira alimbane gulugufe valavu, fluorine alimbane diaphragm vavu moyo waufupi? Pakatikati mwa madzi oyeretsedwa amakhala ndi asidi kapena alkali ochepa, omwe amawononga kwambiri mphira. Kuwonongeka kwa mphira kumawonetsedwa ngati kukulitsa, kukalamba, mphamvu zochepa, komanso kugwiritsa ntchito valavu ya butterfly ndi diaphragm valve yokhala ndi mphira ndi yoyipa, ndipo tanthauzo lake limayamba chifukwa cha kukana kwa mphira. Pambuyo valavu ya mphira yomwe ili ndi diaphragm imasinthidwa kukhala valavu ya fluorine yokhala ndi diaphragm yokhala ndi kukana kwa dzimbiri, koma diaphragm ya valavu ya fluorine yokhala ndi diaphragm imasweka ndi kupindika mmwamba ndi pansi, zomwe zimapangitsa kuwonongeka kwa makina, ndipo moyo wa valve umafupikitsidwa. Tsopano njira yabwino ndikuchiza valavu ya mpira ndi madzi, itha kugwiritsidwa ntchito kwa zaka 5 ~ 8. 9. N’chifukwa chiyani ma valve opopera mpweya amagwiritsidwa ntchito mochulukirachulukira? Kwa mavavu a pneumatic, pisitoni actuator imatha kugwiritsa ntchito mokwanira mphamvu ya gwero la mpweya, kukula kwa actuator kumakhala kocheperako kuposa mtundu wa filimuyo, kukakamiza kumakhala kokulirapo, mphete ya o mu pisitoni ndiyodalirika kuposa filimuyo. kugwiritsidwa ntchito kwake kudzakhala kochulukira. 10. N’cifukwa ciani kusankha n’kofunika kwambili kuposa kuŵelenga? Kuwerengera ndikofunikira kwambiri komanso kovuta kuposa kusankha. Chifukwa kuwerengera ndi njira yosavuta yowerengera, yokha sikudalira kuchuluka kwa chilinganizo, koma kulondola kwa magawo omwe apatsidwa. Kusankhidwa kumaphatikizapo zambiri, kusasamala pang'ono, kudzatsogolera kusankhidwa kosayenera, osati kungowononga anthu, chuma ndi chuma, komanso kugwiritsa ntchito zotsatira zake sikoyenera, kubweretsa mavuto angapo ogwiritsira ntchito, monga kudalirika. , moyo, ntchito khalidwe ndi zina zotero.