Pneumatic control valvekubva pamusimboti wekutanga, gungano, kugadzirisa kwakakodzera kuve nehunyanzvi hwevharuvhu: pneumatic control valve inoshanda musimboti tsananguro yakadzama
Pneumatic control valve imwe yemaindasitiri process control panels anoshandiswa nemafuta asina kuchena, makemikari chirimwa, magetsi emagetsi engineering, metallurgical industry uye mamwe mabhizinesi ekugadzira. Irovhavha inotonga mumakemikari bhizinesi yakakosha mune yekutonga modhi, inova chikamu chakakosha cheindasitiri yekugadzira otomatiki tekinoroji, senge maoko nemakumbo ekugadzira maitiro otomatiki. Pazasi, tora iwe pamwe chete kuti unzwisise iyo pneumatic control valve.
Pneumatic control valve imwe yemaindasitiri process control panels anoshandiswa nemafuta asina kuchena, makemikari chirimwa, magetsi emagetsi engineering, metallurgical industry uye mamwe mabhizinesi ekugadzira. Irovhavha inotonga mumakemikari bhizinesi yakakosha mune yekutonga modhi, inova chikamu chakakosha cheindasitiri yekugadzira otomatiki tekinoroji, senge maoko nemakumbo ekugadzira maitiro otomatiki. Pazasi, tora iwe pamwe chete kuti unzwisise iyo pneumatic control valve.
musimboti
Pneumatic regulating valve inonyanya kuenderana neyakamanikidzwa gasi sechishandiso chesimba, kune silinda sepneumatic actuator, uye nerubatsiro rwemagetsi emagetsi vharafu chinzvimbo, converter, relay, inochengetedza vharafu uye zvimwe zvinongedzo kusimudzira vharafu, kuti uwane switching chiratidzo. kana kuti proportional control, kugamuchira mirairo yekudzora yekugadzirwa kwemaindasitiri otomatiki kudzora system kupedzisa kugadziridzwa kwepombi yepakati: Kuyerera kwese, kushanda nesimba, tembiricha uye zvimwe zviratidzo zvehunyanzvi. Pneumatic control valve inoratidzirwa nekushanda nyore, kukurumidza kupindura, uye kuchengetedza system, hapana chikonzero chekushandisa kuputika-uchapupu michina mukuwedzera.
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Nheyo yepneumatic regulating valve
Pneumatic regulating valve inowanzo umbwa nepneumatic actuator uye inogadzirisa vharafu yekubatanidza midziyo yekuisa uye kugadzirisa, pneumatic actuator inogona kupatsanurwa kuita imwechete basa kana kaviri maitiro emhando yechipiri, single function actuator ine rectangular chitubu, uye kaviri basa actuator haina rectangular chitubu. Pakati peiyo imwechete basa actuator, kubva pakurasikirwa kwechitubu kana kutadza kamwe kamwe, otomatiki kudzoka kuvharuvhu yakatanga yakavhurika kana kudzima nyika.
Pneumatic regulating valve zvinoenderana nechimiro chechiito chakakamurwa kuita marudzi maviri egasi yakavhurika mhando gasi yakavharwa mhando, iyo inonzi yakajairika yakavhurika mhando uye yakajairika yakavhurika uye yakajairika yakavharwa mhando, pneumatic inodzora vharafu gasi yakavhurika kana gasi yakavharwa, kazhinji nekaviri- sided effect ye actuator uye valve structure haisi iyo imwechete nzira yekusangana yekupedzisa.
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Pneumatic regulating valve action mechanism
Gasi rakavhurika rudzi (kazhinji rakavhurika uye rinowanzovharwa rudzi) kana gasi rinomanikidza pamusoro pe membrane rinosimudzwa, vharafu inowedzerwa kune yekuvhura degree chinzvimbo. Kana chiyero chekumanikidza chinosvika, valve iri munzvimbo yakazaruka. Kusiyana neizvi, kana gasi rinodzvinyirira rakaderedzwa, vheji inoiswa panzvimbo yakavharwa, uye kana pasina gasi rinopinda, valve yakavharwa zvakakwana. Gu inowanzodaidza gasi yakavhurika mhando regulator yedambudziko rerudzi rwevharuvhu.
Gasi rekuvhara mhando (kazhinji yakavhurika mhando) inoshanda yekutarisa uye gasi rakavhurika mhando inongo dzokera kumashure. Apo gasi rinoputika rinokwira, valve yekuvhara nzvimbo; Apo gasi rinodzvinyirira rakaderedzwa kana kuti kwete, valve inofanira kuzarurirwa kune yakazaruka nzira kana yakazaruka. Kazhinji, tinodaidza gasi yakavharwa mhando regulator yakavhurika mhando vharafu kune zvakajairika kutadza.
Sarudzo yekuvhura gasi nekuvhara kunoenderana nekuchengetedzwa kwemaitiro ekugadzira. Kana iyo mhepo sosi yakabviswa, vheji yekudzora iri muchikamu chakavharwa chechengetedzo kana chikamu chakazaruka chekuchengetedza.
Semuenzaniso, kutonga kwekupisa kwechoto chekupisa kupisa, vharafu inogadzirisa yakaiswa mupombi yehutsi gasi, zvichienderana nekupisa kwechoto kana kupisa kwezvinhu zvinopisa pakupinza uye kubuda kwechoto chekurapa kupisa kugadzirisa zvinhu. market supply. Panguva ino, chinhu chekuchengetedza chevhavha yekuvhura gasi inofanira kusarudzwa, nokuti kana gasi rinopera, vheji yakavharwa kupfuura iyo valve yakavhurwa. Kana iyo mhepo sosi inozotyoka uye vheji yemagetsi yakavhurwa, inobvumira kupisa kwakanyanya kuitika. Zvakare sefiriji yemidziyo inodziya ine mvura inotonhora inotenderera, zvinhu zvinopisa mumudziyo wekupisa uye kutonhora kutenderera kwemvura inopisa inopisa inoiswa mufiriji, vharafu inogadzirisa inoiswa papombi inotonhorera, ine tembiricha yekutsinhana yekushisa kudzora kuyerera kwemvura inotonhorera. , pamagumo emhepo yemhepo, valve inogadzirisa inofanira kunge iri panzvimbo yekuchengetedzwa kwepamusoro, inofanira kusarudza kushandisa gasi rekuvhara gasi (FO) regulating valve.
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Nzvimbo dzevharuvhu
Valve positioner chikamu chakakosha chevhavhavha yekudzora, ine pneumatic control vharafu, inogamuchira iyo pulse chiratidzo chemutongi, uye neiyo pulse chiratidzo chekudzora pneumatic control vharafu, kana nzvimbo yevhavhavha yekudzora, stem offset zvakare kuburikidza nemagetsi. mudziyo mhinduro kune vharafu chinzvimbo, nzvimbo yevharuvhu zvinoenderana nechiratidzo chemagetsi chinotumirwa kune nhanho system software. Valve positioner zvinoenderana nechimiro chayo uye musimboti inogona kukamurwa kuita pneumatic valve positioner, yemagetsi-gasi vharafu positioner yakangwara vharafu positioner.
Valve positioner inogona kuwedzera simba revhavha inotonga, kuderedza kufambiswa kwesimba kwechiratidzo chekugadzirisa, kumhanyisa kumhanya kwechitsigiro chevharuvhu, inogona kuvandudza vheji yemutsara, kubvisa kukwenya kwehunde yevharuvhu uye kubvisa pesvedzero yeasina kuenzana. simba, iva nechokwadi chekugadzirisa uye kwakarurama nzvimbo yevhavha inogadzirisa.
Pneumatic actuator, yemagetsi actuator, yakananga kufamba kuronga, Angle yekufamba kuronga musiyano. Inoshandiswa kuvhura otomatiki uye yemanyorero uye kuvhara marudzi ese emagonhi, mafeni, nezvimwe.
Gungano chiyero chepneumatic inodzora mavharuvhu
(1) pneumatic control valve kuisirwa, kune imwe hukama hurefu kubva pasi, vharafu kusiya imwe nzvimbo, nyore kuita dhizaini disassembly uye kugadzirisa. Kune mavharuvhu ekudzora ane pneumatic valve positioner uye spindle, zvinodikanwa kuve nechokwadi chekushanda kunoshanda, kunyatsotarisisa uye kugadzirisa kuri nyore.
(2) Ivhavha inogadzirisa inofanira kuiswa mupombi yekuenzanisa, uye pamusoro uye yakatwasuka pombi, kazhinji pasi pevharuvhu yenzvimbo yayo yekutsigira, kuve nechokwadi kuti yakavimbika. Nezviitiko zvakasiyana-siyana, zvinodikanwa kuisa chiyero chevharuvhu mupombi yakatwasuka pane imwe nzvimbo, inofanirawo kuva yekutanga vharuvhu yekufambisa nzvimbo yekutsigira (kunze kwedhayamita yevharuvhu). Kuiswa, kunofanirwa kudzivirira kuwedzera kushushikana kune inogadzirisa vharafu).
(3) Kupisa kwekushanda kwevhavha inogadzirisa inoda kuva mu (-30 ~ 60) humidity yemhepo haifaniri kudarika 95% 95%, hunyoro hwemhepo haifaniri kudarika 95%.
(4) Ivhavha yekudzora pamberi uye mushure mekuruboshwe nekurudyi zvikamu zvinofanira kuva nechikamu chepombi yakatwasuka, kureba hakusi pasi pe10 nguva yekukura kwepombi (10D), kuitira kudzivirira vheji yechikamu chepombi yakatwasuka ipfupi. kukanganisa kuyerera kwecoefficient.
(5) Kana zvakatemwa zvevhavha inotonga uye pombi yekugadzira zvakasiyana, eccentric yekudzikisa pombi inofanirwa kushandiswa kubatanidza. Mune caliber inodzora kuisirwa valve, inogona kushandisa flange yekubatanidza. Iyo mvura inoratidza museve paoiri redunhu bhodhi ichave munzira imwechete neyemvura.
(6) Kuisa pombi yekupfuura. Chinangwa ndechekufambisa kutendeuka kana kutonga kwemaoko pasina kugadzirisa kwemutongi mumamiriro ekupaka.
(7) Kugadzirisa vharafu mupombi kusati kwavakwa zvinhu zvakasviba zvakazara, senge marara, mavanga ekuisa, nezvimwe.
Matambudziko akajairika uye mhinduro
Mutongi haasi panzvimbo
Kutanga tarisa kana pane dambudziko nekushanda kwekushanda kwemhepo, tsvaga zvikanganiso zvakajairika zvemhepo. Kana kushandiswa kwekushanda kwemhepo kunowanzoitika, siyanisa kana iyo amplifier circuit ye locator kana yemagetsi / gasi inoshandura inotorwa; Kana pasina kunze kwenyika, iyo amplifier inogara ichivhuvhuta gomba yakavharwa, kana iyo mhepo yekumisikidza mune amplifier gedhi valve inoderedzwa. Shandisa waya yakanaka kudyisa kuburikidza neinogara throttle hole, tsvina kana kuchenesa mweya sosi.
Kana zviri pamusoro zvakajairika, hapana chimiro kana paine chiratidzo chedata, ipapo actuator inowanzokanganisa kana tsinde yevharuvhu yakakotama, kana core yevharuvhu yakanamatira. Muchiitiko ichi, iva nechokwadi chekubvisa valve kuti uwedzere kuongororwa.
Ivhavha inogadzirisa yakanamatira
Kana iyo inodzokorodza sitiroko kurongeka kwevharuvhu stem posture ichinonoka, muviri wevharuvhu kana makemikari akati wandei, kuyera kuvharika kana kuzadza zvinhu zvakatsikirirwa, kana PTFE inozadza zvinhu kuchembera, dzinde rinokotama kukwenya. Mazhinji ematambudziko evharuvhu ejamu ekudzora anoitika mukushandiswa kutsva kwesoftware uye kugadzirisa padanho rekutanga, nekuti mupipeline welding vanga, ngura muchiteshi chevhavhavhavha uye chinzvimbo chinotungamira chinotungamira kuvharika kuitira kuti kuyerera kwezvinhu kuvharwe, kana kudzora vharafu gadziriso yekuzadza zvinhu yakanyanya kusimba, zvichikonzera kuwedzera kwekutsvedza kukweshera, zvichikonzera diki chiratidzo chekumira, hombe yedhata chiratidzo chakawandisa.
Mumamiriro ezvinhu akadaro, iwe unogona kukurumidza kuzarura nekuvhara mutsara wekubatsira unofanirwa kudzora valve, kuitira kuti marara kubva kumutsara wekubatsira anofanira kutungamirirwa nezvinhu. Uye zvakare, iyo pombi yekurovedzera inogona kushandiswawo kubata hunde yevharuvhu, kuwedzera kune iyo data chiratidzo chekushanda kumanikidza mamiriro, maviri-mativi simba kutenderedza hunde yevharuvhu, kuitira kuti vheji yepakati inopenya kunze kwekadhi. Kana iwe usingakwanise kutarisana nedambudziko, iwe unogona kuwedzera kudzvanywa kwekushanda kwemhepo sosi uye kuwedzera simba rekutyaira kuti uende kumusoro nekudzika kakawanda. Ipapo iwe unogona kubata nedambudziko. Kana iyo ichiri kusakwanisa kumira, zvakakosha kuparadzanisa vhavha yekudzora kudzvinyirira. Sezvingatarisirwa, basa iri rinoda simba rakasimba rehunyanzvi uye rinofanirwa kuitwa nerubatsiro rwehunyanzvi tekinoroji, kana zvisina kudaro mhedzisiro yakaipa yakanyanya.
Nguva yekutumira: Kubvumbi-25-2023
