Troubleshooting yevharuvhu chinzvimbo chinobuda kudzvanya kuvhunduka Common valve positioner classification uye musimboti

Troubleshooting of valve positioner output pressure shock Common valve positioner classification and musimboti Tarisai kubuda pressure oscillation yevhavha positioner Nekuzivikanwa kwemaindasitiri otomatiki, sezvo regulator valve control unit locator inoratidzawo basa rakakosha. Positioner chishandiso chinogashira masaini emagetsi kubva kuhurongwa hwekutonga uye oashandura kuita masaini egasi kudzora nzvimbo yevharuvhu. Kurongeka kwekutonga kwevhavha inogadzirisa, kusasanganisa zvinhu zvekugadzira zvemuviri wevhavha, zvachose zvinoenderana nekugadzirisa kurongeka kwechigadziro. Ipapo isu tinowanzo sangana nechiitiko chekubuda kwekumanikidza oscillation yelocator mukuita kwekushandisa locator. Nzira yekugadzirisa dambudziko ndeyotevera: 1, kutanga kune zvose, valve uye nzvimbo dzekubatanidza nzvimbo hadzibatanidzi kana dzakasununguka, nzvimbo yekuisa yakarurama. 2. Kana iri mechanical positioner, kutariswa kunofanirawo kubhadharwa kuti vharuvhu yekuderedza pressure inopindirana nechinzvimbo. 3, ona kana paine yakakwira simba magetsi emidziyo yakatenderedza, bvisa kukanganiswa kwemagetsi. 4. Bvisa kubuda kwepombi yekubatanidza yemhepo yega yega. 5. Kana iri imwe chete actuator yefirimu, ona kana kuomarara kwechirimo kweiyo actuator kuchienderana nelocator. 6, usabvisa kana iyo actuator ine cylinder mhepo, kana silinda inobuda. 7. Usasanganise positioner amplifier kana piezoelectric valve airway weight kana pane tsvina. 8, bvisa kukwesha kwevhavha yakakura kwazvo uye chinzvimbo hachienderane nemamiriro ezvinhu. Common valve positioner classification uye musimboti valve positioner maererano nechimiro: Pneumatic valve positioner, yemagetsi valve positioner uye yakangwara valve positioner, ndiyo huru yekudzora valve accessories, kazhinji ine pneumatic control valve, inogamuchira regulator inobuda chiratidzo, uyezve kune yayo yakabuda. chiratidzo chekudzora pneumatic control valve, kana vharuvhu yekudzora, tsinde yevharuvhu yemhinduro yekuchinja kune valve positioner uye kuburikidza nemuchina wemuchina, Nzvimbo yevharuvhu inoendeswa kune yepamusoro sisitimu nemagetsi chiratidzo. Valve Positioner (Valve Positioner) Valve positioner maererano nechimiro: Pneumatic valve positioner, yemagetsi valve positioner uye yakangwara valve positioner, ndiyo huru yekudzora valve accessories, kazhinji ine pneumatic control valve, inogamuchira regulator inobuda chiratidzo, uyezve kune yayo inobuda chiratidzo. kudzora iyo pneumatic control valve, kana vharafu yekudzora, tsinde yevharuvhu yemhinduro yevhavhavhavha uye kuburikidza nemuchina wemuchina, Nzvimbo yevharuvhu inoendeswa kune yepamusoro sisitimu nechiratidzo chemagetsi. (1) Chimiro Valve positioner zvinoenderana nechimiro chayo chimiro uye misimboti yekushanda inogona kukamurwa kuita pneumatic valve positioner, yemagetsi-gasi valve positioner uye yakangwara valve positioner. Valve positioner inogona kuwedzera simba rekubuda revharuvhu inoronga, kuderedza kutapurirana kwechiratidzo chekudzora kunoitika, kumhanyisa kumhanya kwechitsigiro chevhavhavhavha, inogona kuvandudza mutsara wevhavha, kukunda kukwenya kwevharuvhu uye kubvisa pesvedzero. yesimba risingaenzaniswi, kuitira kuti uve nechokwadi chekumisikidza kwakaringana kwevhavha inoronga. (2) locator classification 1, iyo valve positioner yakakamurwa kuita pneumatic valve positioner, magetsi valve positioner uye yakangwara valve positioner maererano nekuisa chiratidzo. (1) Chiratidzo chekupinza chepneumatic valve positioner ndiyo yakajairika gasi chiratidzo, semuenzaniso, 20 ~ 100kPa gasi chiratidzo, inobuda chiratidzo zvakare ndiyo yakajairwa gasi chiratidzo. (2) Chiratidzo chekuisa chevhavhavha yemagetsi ndiyo yakajairwa ikozvino kana vheji chiratidzo, semuenzaniso, 4 ~ 20mA yazvino chiratidzo kana 1 ~ 5V chiratidzo chemagetsi, nezvimwewo, chiratidzo chemagetsi chinoshandurwa kuita simba remagetsi mukati mevhavha yemagetsi. , uyezve inobuda gasi chiratidzo kune toggle control valve. (3) yakangwara yemagetsi vharafu inomira iyo inodzora mukamuri inobuda ikozvino chiratidzo mudhiraivha inodzora vharuvha gasi chiratidzo, zvinoenderana nevhavha stem friction kana ichishanda, bvisa pakati pepakati pressure fluctuation uye simba risingaenzaniswi, kuitira kuti kuvhurwa kwevharuvhu kunoenderana nekamuri yekudzora. kubuda chiratidzo chezvino. Uye iyo inoenderana parameters inogona kugadzikwa nehungwaru gadziriso yekuvandudza mashandiro evhavhavha yekudzora. 2, zvinoenderana negwara rechiito rinogona kukamurwa kuita imwe-nzira vharafu chinzvimbo uye maviri-nzira vharafu chinzvimbo. Iyo imwe-nzira yevhavha chinzvimbo inoshandiswa mupiston actuator, iyo vharafu inomira inongoshanda munzira imwe chete, iyo-nzira mbiri valve chinzvimbo inoshanda pamativi ese ecylinder yepiston actuator, munzira mbiri. 3, zvinoenderana neiyo valve positioner inobuda uye yekupinza chiratidzo chekuwana inokamurwa kuita yakanaka valve positioner uye reaction valve positioner. Sezvo iyo yekuisa chiratidzo kune yakanaka-inobata valve chinzvimbo ichiwedzera, iyo inobuda chiratidzo inowedzera, saka kuwana kwakanaka. Reaction valve positioner yekuisa chiratidzo inowedzera, iyo inobuda chiratidzo inoderera, saka, iyo inowanikwa haina kunaka. 4, zvinoenderana neiyo vheji yekuisa chiratidzo cheanalog kana chiratidzo chedhijitari, inogona kukamurwa kuita yakajairwa vharafu chinzvimbo uye yemunda bhazi remagetsi valve chinzvimbo. Chiratidzo chekupinza cheiyo yakajairika valve locator ndiyo analog pressure kana yazvino, voltage siginecha, chiratidzo chekuisa chefieldbus yemagetsi valve locator ndiyo dhijitari yedhijitari yebhazi. 5, zvichienderana nekuti iyo valve positioner ine CPU inogona kukamurwa kuita yakajairwa magetsi valve positioner uye yakangwara yemagetsi valve positioner. Zvakajairwa magetsi mavharuvhu chinzvimbo haana CPU, saka, haana hungwaru, haakwanise kubata akakodzera mashandiro ehungwaru. Intelligent yemagetsi valve positioner neCPU, inogona kubata nehungwaru kushanda, semuenzaniso, inogona kutakura kumberi chiteshi nonlinear muripo, nezvimwewo, fieldbus yemagetsi valve positioner inogonawo kutora P> 6, maererano nemhinduro yekuona chiratidzo nzira inogonawo kuiswa. Semuenzaniso, iyo valve positioner inoona chiratidzo chenzvimbo yevharuvhu nenzira yemagetsi yekubatanidza tsvimbo, iyo yevhavha inomira inoona iyo valve stem displacement neHall effect method, iyo valve positioner inoona iyo valve stem displacement ne electromagnetic induction nzira, nezvimwewo (3. ) Kushanda musimboti Mucherechedzo wevharuvhu ndiyo inonyanya kushandiswa yevharuvhu yekudzora. Zvinotora iyo valve stem displacement chiratidzo seyekuisa mhinduro yekuyera chiratidzo, inotora iyo controller inobuda chiratidzo sechiratidzo chekumisikidza, ichienzanisa, kana maviri acho aine kutsauka, inoshandura chiratidzo chayo chekubuda kune actuator, inoita actuator chiito, inomisikidza hunde yevhavha. displacement uye controller inobuda chiratidzo pakati peiyo-kune-imwe tsamba. Naizvozvo, iyo nzvimbo yevharuvhu ine mhinduro yekudzora sisitimu ine stem displacement sechiratidzo chekuyera uye mutongi anobuda sechiratidzo chekuisa. Iyo yekudzora shanduko yeiyo control system ndiyo inobuda chiratidzo chevhavha chinzvimbo kune actuator. (ina) locator action musimboti (1) inoshandiswa kudzora yakakosha dhizaini nemhando yepamusoro zvinodiwa, kuitira kuvandudza kurongeka kwechokwadi uye kuvimbika kwevhavha inotonga. (2) yevharuvhu migumo miviri yekumanikidza musiyano yakakura (△p1MPa) nguva. Nekuwedzera kudzvanywa kwemhepo sosi, simba rekubuda reiyo actuator rinowedzerwa kukunda simba risingaenzaniswi rinogadzirwa nemvura pane spool uye kuderedza kukanganisa kwesitiroko. (3) kana iyo svikiro yakagadziridzwa kutonhora kwakanyanya, kudzvanywa kwepamusoro, kuderera kwekushisa, chepfu, kupfuta, kuputika, kuitira kudzivirira kubuda kwekunze, kurongedza kunowanzo kudzvanywa zvakasimba, saka kupokana pakati pevhavha hunde uye kurongedza ndiko. yakakura, panguva ino, iyo locator inogona kukunda kunonoka. (4) Kana iyo yepakati iine viscous fluid kana ine yakasimba yakamiswa chinhu, chinzvimbo chinogona kukunda kushorwa kwepakati kusvika pakufamba kwedzinde. (5) yedhayamita yakakura (Dg100mm) inodzora vharafu kuti iwedzere kubuda kweiyo actuator. (6) Kana chinhambwe chiri pakati pemugadziri uye actuator chiri pamusoro pe60m, chinzvimbo chinogona kukurira dhizaini yechiratidzo chekudzora uye kugadzirisa kumhanya kwevhavhavha. (7) inoshandiswa kuvandudza kuyerera maitiro evhavha inogadzirisa. (8) Kana regulator ichidzora ma actuators maviri kuti ashandise kutonga kwekupatsanura, mapositioners maviri anogona kushandiswa kugamuchira yakaderera yekuisa chiratidzo uye yakakwirira yekupinza chiratidzo zvichiteerana, ipapo actuator yakaderera renji chiitiko, chimwe chiitiko chekusimudzira, ndiko kuti, chinoumba kupatsanura. kugadzirisa. (5) mhando dzakakodzera Inowanzo shandiswa actuators yakakamurwa kuva pneumatic actuators, magetsi actuators, straight stroke, Angle sitiroko. Inoshandiswa kuvhura nekuvhara marudzi ese emavharuvhu uye mahwendefa emhepo otomatiki uye nemaoko.