Diad pipeline engineering, say suston pampili na electric valves et sakey ed saray kondisyon na garantiya pian nasumpal iray kakaukolanen ed pangusar. No say electric valve ya inusar et ag napili na susto, aglabat itan makaapekto ed pangusar, noagta mangitarok met na makapuy iran pansumpalan odino seryoson pakaandi, kanian, say suston pampili na saray electric valve ed desinyo na pipeline engineering.
Say kaliberliber na pantratrabahoan na balbula na kuryente
Nilikud ed pangimano ed saray parametro na tubo, nepeg ya imanoen so kondisyon na kaliberliber na operasyon to, lapud say electric device ed electric valve et sakey ya electromechanical ya kagawaan, tan say kondisyon na trabaho to et naapektoan a maong na kaliberliber na trabaho to. Diad kaslakan, say pantratrabahoan na balbula na kuryente et onia:
1. Pangipuesto ed loob na abung odino pangusar ed paway ya walay proteksion;
2. Pangipuesto ed paway ed paway, ya walay dagem, buer, uran tan ambetel, sinag na banwa tan arum niran erosion;
3. Walay kaliberliber ton napoolan odino onsabog ya gas odino dabok;
4. Maalwar ya tropikal, amagan tropikal ya kaliberliber;
5. Say temperatura na pipeline medium et anggad 480°C odino onsulok ni;
6. Say temperatura na kaliberliber et abeba nen say -20°C;
7. Mainomay ya nadelap o nalner ed danum;
8. Saray kaliberliber ya walaan na saray materyales ya radyoaktibo (saray planta na nukleyar ya kuryente tan saray kagawaan ya pansubokan na radyoaktibo iran materyales);
9. Say kaliberliber na barko odino pantalan (ya walay salt spray, amag, tan danum);
10. Saray okasyon ya walay graben yegyeg;
11. Saray okasyon ya mainomay ya napoolan;
Parad saray electric valve ed saray abitlan kaliberliber, say istruktura, materyales tan proteksion na saray electric devices et mandumaan. Kanian, say mipetekan a valve electric device et nepeg ya pilien unong ed asalambit ed tagey ya kaliberliber na pantratrabahoan.
Saray pankaukolan parad de-korientebalbula
Unong ed saray kakaukolanen na engineering control, parad electric valve, say control function et nasumpal na electric device. Say gagala na pangusar na electrical valves et pian nagawaan so aliwan manual ya electrical control odino computer control parad pangilukas, pangisara tan pangi-adjust na saray balbula. Saray de-koriente iran kagawaan natan et aglabat uusaren pian makatipid na manpower. Lapud baleg so pandumaan na kimey tan kalidad na saray produkto manlapud nanduruman manggagawa, say pampili na saray electric devices tan say pampili na saray balbula et parehon importante ed proyekto.
Kontrol na kuryente ed kuryentebalbula
Lapud tuloytuloy ya iyaaligwas na saray kakaukolanen ed industrial automation, diad sakey a dapag, ondarakel so manguusar na electric valves, tan diad biek a dapag, say pankaukolan ed panangontrol ed saray electric valve et ondarakel tan onkukurang. Kanian, say desinyo na saray balbula na kuryente no nipaakar ed panangontrol ed kuryente et naynay met ya na-update. Diad iyaaligwas na siensia tan teknolohiya tan say inkabantog tan inkaaplika na saray kompyuter, mantultuloy ya ompatnag iray balo tan nanduruman paraan na panangontrol ed kuryente. Parad inkalapagan a panangontrol ed kuryentebalbula, nepeg ya imanoen so pampili na control mode na electric valve. Singa bilang, unong ed pankaukolan na proyekto, no kasin usaren so centralized control mode, odino sakey a control mode, no kasin i-link ed arum ya kagawaan, program control odino say aplikasyon na computer program control, tan arum nira, say prinsipyo na control et duma. Say sample na managgaway valve electric device et mangiiter labat na estandarten prinsipyo na panangontrol na kuryente, kanian say departamento na pangusar et nepeg ya manggawa na teknikal a panangiparungtal ed manggagawa na electric device tan ipalinew iray teknikal a kakaukolanen. Niarum ni, no manpipili kay electric valve, nepeg mon ikonsidera no kasin mangaliw kay kaaruman ya electric valve controller. Ta diad inkalapagan, say controller et kaukolan ya saliwen ya bukor. Diad maslak a kaso, no manguusar na saksakey a kontrol, kaukolan so mangaliw na controller, lapud mas kombeniente tan mas mura so mangaliw na controller nen say mandesinyo tan manggawa ed satan na manguusar. No say electrical control performance et ag makaabot ed saray kakaukolanen na engineering design, say manufacturer et nepeg ya iproponin umanen odino umanen so desinyo to.
Say valve electric device et sakey a kagawaan ya manggagawa na valve programming, automatic control tan remote control*, tan say proseso na galaw to et nayarin kontrolen na karakel na stroke, torque odino axial thrust. Lapud say operating characteristics tan utilization rate na valve actuator et mandedepende ed klase na valve, say working specification na device, tan say posisyon na valve ed pipeline odino kagawaan, say suston pampili na valve actuator et importante pian naprebentaan so overload (say working torque et mas atagey nen say control torque). Diad inkalapagan, say basiyan parad suston pampili na saray de-koriente iran kagawaan et singa onggendan:
Operating torqueSay operating torque so manunan parametro ed pampili na valve electric device, tan say output torque na electric device et nepeg ya 1.2~1.5 beses na operating torque na balbula.
Walay duaran manunan istruktura na makina parad panag-operate na thrust valve electric device: say sakey et anggapoy thrust disc to tan direktan mangiiter na torque; Say sananey et say pangi-configure na thrust plate, tan say output torque et nauman ed output thrust panamegley na stem nut ed thrust plate.
Say bilang na rotational turns na output shaft na valve electric device et misiglaotan ed nominal diameter na valve, say pitch na stem tan say bilang na threads, ya nepeg ya kalkulaen unong ed M=H/ZS (M et say dagup na rotations ya nepeg ya naabot na electric device, H et say opening height na valve, S et say thread pitch na transmission valve stem, tan Z et say bilang na threaded transmissiond valve saybalbulasengeg).
No say baleg a diametro na stem ya inabuloyan na de-koriente ya kagawaan et agmakadalan ed stem na akaparaan a balbula, ag-itan nayarin itipon ed sakey a de-koriente a balbula. Kanian, say loob a diametro na hollow output shaft na actuator et nepeg ya mas baleg nen say paway a diametro na stem na open rod valve. Parad dark rod valve ed partial rotary valve tan say multi-turn valve, anggaman ag-ikonsidera so problema ed palabas na diametro na valve stem, say diametro na valve stem tan say kabaleg na keyway et nepeg met ya ikonsidera no manpipili, pian makapankimey itan a normal kayari na pangi-assemble.
No maples so panlukas tan pansara na output speed valve, mainomay so manggawa na water hammer. Kanian, say manepeg ya kapeles na panlukas tan pansara et nepeg ya pilien unong ed nanduruman kondisyon na pangusar.
Saray valve actuator et walaan na sarili dan espisyal iran kakaukolanen, salanti, nepeg ya sarag dan iter so torque odino axial forces. Maslakbalbulasaray actuator et manguusar na torque-limiting couplings. No nadetermina so kabaleg na electric device, nadetermina met so control torque to. Diad kaslakan ya paandaren ed aturon oras, say motor et ag-onsobra so karga to. Balet, no nagawa iray onggendan a situasyon, nayarin pansengegan itan na sobran karga: unona, abeba so boltahe na suplay na kuryente, tan ag naala so nakaukolan a torque, kanian ontunda so panag-ikot na motor; say komadua et say lingo ya pangi-adjust ed mekanismo ya manlimitad torque pian magmaliw ya mas baleg nen say stopping torque, ya manresulta ed tuloytuloy ya alablabas ya torque tan ontunda so motor; say komatlo et say panapanaon ya pangusar, tan say natipon ya petang et onlampas ed naabuloyan ya itagey na temperatura na motor; Komapat, say circuit na torque limiting mechanism et ag-onkualipika lapud pigaran rason, kanian baleg so torque; Komalima, say temperatura na kaliberliber et atagey, kanian nabawasan so kapasidad na motor ya manpainit.
Nensaman, say paraan pian naprotektaan so motor et say pangusar na saray piyus, overcurrent relay, thermal relay, thermostat, tan arum ni, balet sarayan paraan et walaan na saray bentaha tan disbentaha. Anggapoy napanmatalkan ya paraan na proteksion parad saray kagawaan ya walay nanduruman karga to a singa saray de-koriente. Kanian, kaukolan ya usaren so nanduruman kombinasyon, ya nayarin isumaryo ed duaran klase: say sakey et say panghusga ed itatagey o ibawas na input current na motor; Say komadua et say pangukom ed kipapasen na panagpainit na mismon motor. Diad anggan dinan a paraan, anggan dinan a paraan et ikonsidera so niiter a panaon na kapasidad na motor ed petang.
Diad inkalapagan, say manunan paraan na proteksion ed sobran karga et: proteksion ed sobran karga parad tuloytuloy ya operasyon odino jog operasyon na motor, ya uusaren so thermostat; Parad proteksion na motor stall rotor, inadapta so thermal relay; Parad saray aksidente ya short-circuit, saray fuse odino overcurrent relays so uusaren.
Mas malet ya akayurongbalbula na kulibangbang,gate valve, check valvedetalye, sarag mo kamin kontaken panamegley na whatsapp o E-mail.
Oras na pangi-post: Nobyembre-26-2024
