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Pezani Mtengo

Opanga ma Vavu Owongolera

Magawo a VALVE

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sales@tycovalve.com+ 86-15961836110108 Meiyu Road, Xinwu District, Wuxi, China

Mavavu owongolera amatanthauza mavavu omwe amasinthasintha molingana ndi 4-20ma kapena 0-10V ma siginecha kumayendedwe a valve, ma valve apamanja amatha kukhala ndi sikelo yotseguka.

ASIAV Regulating Valves Series

Vavu yoyang'anira, yomwe imadziwikanso kuti valavu yowongolera, ndiye chinthu chomaliza chowongolera mu Mavavu Owongolera amatanthauza mavavu omwe amasinthasintha molingana ndi 4-20ma kapena 0-10V ma siginecha kumayendedwe a valve, ma valve apamanja amatha kukhala ndi malo otseguka azinthu zamagetsi zamagetsi. kulamulira, amene amasintha magawo ndondomeko monga otaya sing'anga, kuthamanga, kutentha ndi mlingo madzi kudzera mphamvu ntchito polandira kulamulira chizindikiro linanena bungwe ndi kulamulira unit. Nthawi zambiri amapangidwa ndi actuator ndi valavu. Malinga ndi mawonekedwe a sitiroko, valavu yoyang'anira imatha kugawidwa mu stroke yowongoka ndi stroke; Malingana ndi mphamvu yomwe imagwiritsidwa ntchito ndi actuator, ikhoza kugawidwa m'mitundu itatu: valavu yoyendetsa pneumatic, valve yoyendetsa magetsi ndi hydraulic control valve; Malinga ndi ntchito zake ndi makhalidwe, izo zikhoza kugawidwa mu liniya makhalidwe, ofanana peresenti makhalidwe ndi parabolic makhalidwe. Valavu yoyang'anira imagwira ntchito pamlengalenga, madzi, nthunzi, zotengera zosiyanasiyana zowononga, matope, mafuta ndi media zina. Dzina la Chingerezi: valavu yowongolera, nambala ya tag nthawi zambiri imayamba ndi FV. Gulu lodziwika bwino la valavu yowongolera: valavu yowongolera pneumatic, valavu yowongolera magetsi, valavu yowongolera ma hydraulic ndi valavu yodziyendetsa yokha.

Pakuwongolera zokha kwa zomera zamakono zamakono, valavu yoyang'anira imagwira ntchito yofunika kwambiri. Kupanga kwa zomerazi kumadalira kagawidwe koyenera ndi kuwongolera kwa sing'anga yoyenda. Kuwongolera uku, kaya kusinthanitsa mphamvu, kuchepetsa kuthamanga kapena kudyetsa ziwiya zosavuta, kumafunikira zinthu zina zomaliza kuti amalize.
Vavu yoyang'anira, yomwe imadziwikanso kuti valavu yowongolera, ndiye chinthu chomaliza chowongolera mu Mavavu Owongolera amatanthauza mavavu omwe amasinthasintha molingana ndi 4-20ma kapena 0-10V ma siginecha kumayendedwe a valve, ma valve apamanja amatha kukhala ndi malo otseguka azinthu zamagetsi zamagetsi. kulamulira, amene amasintha magawo ndondomeko monga otaya sing'anga, kuthamanga, kutentha ndi mlingo madzi kudzera mphamvu ntchito polandira kulamulira chizindikiro linanena bungwe ndi ulamuliro unit. Nthawi zambiri amapangidwa ndi actuator ndi valavu. Malinga ndi stRegulating valve, yomwe imadziwikanso kuti valavu yowongolera, ndiye chinthu chomaliza chowongolera mu Regulating Valves imatanthawuza mavavu omwe amasinthasintha molingana ndi ma 4-20ma kapena 0-10V ma siginecha kumayendedwe a valve, ma valve apamanja amatha kukhala ndi malo otseguka. mafakitale zochita zokha ndondomeko kulamulira, amene amasintha magawo ndondomeko monga otaya sing'anga, kuthamanga, kutentha ndi mlingo madzi kudzera ntchito mphamvu ndi kulandira ulamuliro chizindikiro linanena bungwe ndi kulamulira unit. Nthawi zambiri amapangidwa ndi actuator ndi valavu. Malinga ndi mawonekedwe a sitiroko, valavu yoyang'anira imatha kugawidwa mu stroke yowongoka ndi stroke; Malingana ndi mphamvu yomwe imagwiritsidwa ntchito ndi actuator, ikhoza kugawidwa m'magulu atatu: valavu yoyendetsa pneumatic, valve yoyendetsa magetsi ndi hydraulic control valve; Malinga ndi ntchito zake ndi makhalidwe, izo zikhoza kugawidwa mu liniya makhalidwe, ofanana peresenti makhalidwe ndi parabolic makhalidwe. Valavu yoyang'anira imagwira ntchito pamlengalenga, madzi, nthunzi, zotengera zosiyanasiyana zowononga, matope, mafuta ndi media zina. Dzina la Chingerezi: valavu yowongolera, nambala ya tag nthawi zambiri imayamba ndi FV. Gulu lodziwika bwino la valavu yowongolera: valavu yowongolera pneumatic, valavu yowongolera magetsi, valavu yowongolera ma hydraulic ndi mawonekedwe odziyendetsa okha. Malingana ndi mphamvu yomwe imagwiritsidwa ntchito ndi actuator, ikhoza kugawidwa m'magulu atatu: valavu yoyendetsa pneumatic, valve yoyendetsa magetsi ndi hydraulic control valve; Malinga ndi ntchito zake ndi makhalidwe, izo zikhoza kugawidwa mu liniya makhalidwe, ofanana peresenti makhalidwe ndi parabolic makhalidwe. Valavu yoyang'anira imagwira ntchito pamlengalenga, madzi, nthunzi, zotengera zosiyanasiyana zowononga, matope, mafuta ndi media zina. Dzina la Chingerezi: valavu yowongolera, nambala ya tag nthawi zambiri imayamba ndi FV. Gulu lodziwika bwino la valavu yowongolera: valavu yowongolera pneumatic, valavu yowongolera magetsi, valavu yowongolera ma hydraulic ndi valavu yodziyendetsa yokha.
Valve yowongolera imagwira ntchito ngati kukana kosinthika mu payipi. Zimasintha chipwirikiti chamadzimadzi amadzimadzi kapena chimapereka kutsika kwapakati pa vuto la laminar, lomwe limayamba chifukwa cha kusintha kukana kapena "kukangana" kwa valve. Njira yochepetsera kupanikizikayi imatchedwa "throttling". Kwa gasi, ili pafupi ndi isothermal adiabatic state, ndipo kupatuka kumadalira pamlingo wosakhala wabwino wa gasi (Joule Thomson effect). Pankhani yamadzimadzi, kupanikizika kumadyedwa ndi kutuluka kwa chipwirikiti kapena kukangana kwa viscous, zomwe zimatembenuza kupanikizika kukhala kutentha, zomwe zimapangitsa kutentha pang'ono.

Chidutswa chodziwika bwino chimaphatikizapo magawo atatu akulu. Gawo loyamba ndi chinthu chovuta, chomwe nthawi zambiri chimakhala chotumizira. Ndi chipangizo chimene angagwiritsidwe ntchito kuyeza malamulo ndondomeko magawo, monga kuthamanga, madzi mlingo kapena kutentha. Kutulutsa kwa transmitter kumatumizidwa kwa woyang'anira, komwe kumatsimikizira ndikuyesa kupatuka pakati pa mtengo womwe wapatsidwa kapena mtengo woyembekezeka ndi mtengo weniweni wa ndondomekoyi, ndikutumiza chizindikiro chowongolera chimodzi ndi chimodzi ku chinthu chomaliza chowongolera - wowongolera. Valavu imasintha kutuluka kwa madzimadzi ndikupanga magawo a ndondomekoyi kufika pamtengo woyembekezeka.

Valve yowongolera ndi ya mndandanda wa ma valve owongolera, ndipo ntchito yake yayikulu ndikuwongolera kuthamanga, kuyenda, kutentha ndi magawo ena apakati. Ndi chomaliza ulamuliro chinthu mu ndondomeko kuzungulira.
Mtundu wa thupi la vavu

Pali mitundu yambiri ya ma valve oyendetsera ma valve. Ma valavu omwe amagwiritsidwa ntchito nthawi zambiri amaphatikizapo mpando umodzi wowongoka, mpando wowongoka wapawiri, ngodya, diaphragm, kuyenda kochepa, njira zitatu, kuzungulira kwa eccentric, butterfly, manja, spherical, etc.

Posankha mwapadera, malingaliro otsatirawa angaganizidwe:

(1) Maonekedwe apakati a vavu ndi kapangidwe

Zimaganiziridwa makamaka malinga ndi makhalidwe osankhidwa othamanga, mphamvu zopanda malire ndi zina.

(2) Kuvala kukana

Pamene sing'anga yamadzimadzi ndi kuyimitsidwa komwe kumakhala ndi tinthu tambiri ta abrasive, zida zamkati za valve ziyenera kukhala zolimba.

(3) Kukana dzimbiri

Pamene sing'angayo ikuwononga, valavu yokhala ndi dongosolo losavuta idzasankhidwa momwe zingathere.

(4) Kutentha ndi kupanikizika kwapakati

Pamene kutentha ndi kupanikizika kwa sing'anga kumakhala kwakukulu ndipo kusintha kuli kwakukulu, valavu yokhala ndi kutentha pang'ono ndi kusintha kwamphamvu pazinthu zapakati pa valve ndi mpando wa valve zidzasankhidwa. Kutentha kukakhala ≥ 250 ℃, radiator iyenera kuwonjezeredwa.

(5) Pewani kung'anima ndi cavitation

Kung'anima ndi cavitation kumachitika kokha mu media media. Pakupanga kwenikweni, kung'anima ndi cavitation kumayambitsa kugwedezeka ndi phokoso, zomwe zidzafupikitsa moyo wautumiki wa valve. Choncho, kung'anima ndi cavitation ya valve idzalepheretsedwa posankha valve.
Control valve actuator

Kuti valavu yowongolera igwire ntchito moyenera, cholumikizira chofananiracho chizitha kupanga mphamvu zokwanira zotulutsa kuti zitsimikizire kusindikiza kwakukulu ndi kutsegulidwa kwa ma valve.

Kwa ma actuators awiri a pneumatic, hydraulic ndi magetsi, nthawi zambiri palibe masika obwerera. Kukula kwa mphamvu sikukugwirizana ndi momwe akuthamangira. Chifukwa chake, chinsinsi chosankha chowongolera ndikupeza mphamvu yayikulu yotulutsa ndi makokedwe ozungulira a mota. Kwa ochita ma pneumatic actuators amodzi, mphamvu yotulutsa imagwirizana ndi kutsegulidwa kwa valavu, ndipo mphamvu pa valve yowongolera idzakhudzanso mawonekedwe oyenda. Choncho, pamafunika kukhazikitsa mphamvu yokwanira mumtundu wonse wotsegulira wa valve yolamulira.

Pambuyo potulutsa mphamvu ya actuator yatsimikiziridwa, cholumikizira chofananiracho chidzasankhidwa malinga ndi zofunikira za malo ogwiritsira ntchito. Zofunikira zotsimikizira kuphulika zikafunika pamalopo, ma actuators a pneumatic adzasankhidwa. Kuchokera pakuwona kupulumutsa mphamvu, ma actuators amagetsi adzasankhidwa momwe angathere. Ngati kulondola kwakusintha kuli kwakukulu, hydraulic actuator imatha kusankhidwa. Monga kuwongolera liwiro lamakina owonekera m'malo opangira magetsi, kuwongolera kutentha komanso kuwongolera kachipangizo kachipangizo kachipangizo koyezera mafuta, etc.

Njira yogwirira ntchito ya valve yolamulira imapezeka kokha pamene mpweya wa pneumatic actuator wasankhidwa. Machitidwe ake amapangidwa ndi kuphatikiza kwa zabwino ndi zoyipa za actuator ndi valavu. Pali mitundu inayi ya kuphatikiza, mwachitsanzo zabwino (mtundu wotsekera gasi), zabwino ndi zoyipa (mtundu wotsegulira gasi), reverse (mtundu wotsegulira gasi) ndi zoyipa (mtundu wotsekera gasi). Valavu yoyang'anira yomwe imapangidwa ndi zophatikizira zinayizi ili ndi njira ziwiri zochitira: kutsegula gasi ndi kutseka kwa gasi.

Kusankhidwa kwa machitidwe a valve yoyendetsera ntchito kumaganiziridwa makamaka kuchokera kuzinthu zitatu: A. chitetezo chopanga ndondomeko; b. Makhalidwe a sing'anga; c. Onetsetsani kuti katunduyo ali wabwino komanso kuchepetsa kutayika kwachuma.

Valavu yowongolera imatha kugawidwa kukhala sitiroko yowongoka komanso sitiroko yamakona molingana ndi mawonekedwe a sitiroko. Kukwapula kowongoka kumaphatikizapo: valavu ya mpando umodzi, valavu yokhala ndi mipando iwiri, valavu ya manja, valavu ya khola, valavu ya ngodya, valve ya njira zitatu ndi diaphragm valve; Kukwapula kwa angular kumaphatikizapo: valavu ya butterfly, valve valve, eccentric rotary valve ndi valavu yowunikira kwambiri yowunikira.

Valve yowongolera imatha kugawidwa kukhala valavu yowongolera, valavu yowongolera pneumatic, valavu yowongolera magetsi ndi hydraulic control valve molingana ndi njira yoyendetsera, ndiye kuti, valavu yowongolera ma pneumatic yokhala ndi mpweya woponderezedwa ngati gwero lamphamvu, valavu yowongolera magetsi yokhala ndi magetsi monga gwero lamphamvu, ndi hydraulic control valve yokhala ndi sing'anga yamadzimadzi (monga mafuta) ngati mphamvu;

Malingana ndi mawonekedwe a malamulo, akhoza kugawidwa mu mtundu wa malamulo, mtundu wodulidwa ndi mtundu wodulidwa;

Malinga ndi mawonekedwe oyenda, imatha kugawidwa mu mzere, logarithmic (peresenti), parabolic ndi kutsegula mwachangu.

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