General vharafu chimiro uye mashandisirwo - cheki vharafu, kumanikidza kunodzora vharafu, vharafu gedhi vharafu Kunzwisisa: mutyairi kuchengetedza vharafu kuisirwa kutsanangurwa uye musimboti.
Cheki vharafu cheki chevhavha ndeyekuchinjisa kure uye kuvhara dhisiki nerubatsiro rweyepakati's yega liquidity, inoshandiswa kudzivirira reverse kuyerera kwepakati gedhi vharafu.
Tarisa vharafu
Cheki vharafu ndeye kushandura kure uye kuvhara dhisiki nerubatsiro rweyepakati's own liquidity, inoshandiswa kudzivirira kutenderera kutenderera kwepakati gedhi valve.
Imwe, rudzi rwevhavha yekuongorora
Chechipiri, chimiro chevhavhavhavhavha
1. Swing check valve
Kurasikirwa kwekumanikidzwa kudiki, kuvhara hakuna kunaka senge nzira yekusimudza. Haina kukodzera kupuruzira kuyerera uko yakaderera kuyerera velocity uye liquidity haina kuchinja kwenguva yakareba.
(a) Double disc mhando: yepakati nhanho yakatarwa.
(b) Kaviri flap mhando: yakakura saizi (DN≤600).
(c) Multi-disc mhando: yakaderera mvura sando, hapana kukuvara kwepamusoro, diki caliber (DN600).
1. Oil circuit plate 2. Baffle 3. Single flow valve 4. Disc 5. Intake valve
2, simudza mhando cheki vharafu
(a) yakabatana zvakananga inodzora cheki vharafu
(b) column type inodzora cheki vharafu
Pombi yepasi vharafu pombi yekuyamwa chiteshi kuseta. Dzivisa countercurrent, inobatsira kutanga pombi.
Tatu, maitiro evhavhavhavhavha
Iyo yekusimudza cheki vharafu ine imwechete nzira yemafuta nzira sevhavha yekumisa (inogona kuve yepasirese nevhavha yekumisa), saka yayo yemvura inodzivirira coefficient yakakura.
Swing cheki vharafu, disc yakasimba yakatenderedza yekunze shaft sleeve yeyakakwira yekumanikidza gedhi valve, inoshandiswa zvakanyanya.
Butterfly tarisa disc zvakasimba kutenderedza shaft sleeve mune yakakwira yekumanikidza gedhi vharafu. Chimiro chakareruka, chakangoiswa mupombi yezinga, airtight haina simba.
Pressure regulating valve
Kudzvinyirira kuderedza valve kunoenderana nevhavha disc, torsion chitubu, piston tsvimbo uye imwe photoresistor kuti ichinje gap pakati pe disc nevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha, kunzvinyikisa ka xikombiso ku tlula ku tlula ku tlulaka ku tlula, na ni ku vatsiwa va simba rako, kudzvanywa kwemukati nekubuda kunochengetwa otomatiki.
Kutanga, rudzi rwekumanikidza regulating valve
(1) Zvinoenderana nemaitiro ekuita:
(a) Chiito chakananga: kutonga kwakakwana kwe disc fitness exercise ne inlet uye outlet pressure shanduko;
(b) Pilot type: Inoumbwa nevhavha huru uye pilot valve, uye kuchinja kwekupinza uye kubuda kwemhepo kunodzora nzvimbo yevhavha huru maererano nekuwedzera kwevhavha yekufambisa.
(2) Nechimiro chechimiro:
(a) Plastiki firimu mhando
(b) torsion chitubu epurasitiki firimu mhando
(c) Piston muchina
(d) Mhando yeBellows
(e) Kuwedzera kwemari
Chechipiri, chimiro chepasi rose pressure regulating valve
(1) torsion chitubu epurasitiki firimu mhando
1 kugadzirisa sikuruu 2 kugadzirisa torsion chitubu 3 single flow valve 4 epurasitiki firimu 5 mafuta edunhu ndiro 6. disc
(2) muchina wepiston
1 kugadzirisa sikuruu 2 kugadzirisa torsion chitubu 3 chivharo chivharo 4 mutevedzeri wemagetsi gedhi vharafu 5 yekubatsira valve disc 6. Single flow valve 7. Piston rod 8. Disc 9. Main disc 10. Main seat
Yetatu, kudzvanywa inodzora kushanda kwevharuvhu
(1) Static character kukanganisa:
Flow coefficient kukanganisa: inoratidza kubuda kwekumanikidza kusimuka kunokonzerwa nekuyerera kwekuchinja.
Kukanganisa hunhu: inoratidza kuti iyo yekubuda pressure inoshanduka inokonzerwa nekuchinja kwekumanikidza.
(2) kusanzwa kukanganisa:
Kana iyo yekupinza uye yekubuda kudzvanywa ichichinja mukati meimwe siyana, haigone kukonzera iyo yekumanikidza inodzora valve kuti ichinje chikamu chekushanda. Inoratidza kuti iyo valve inodzora kumanikidza haina kuoma.
vharafu
Vavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha,haizovimbi nemasimba ese ekunze,kushandiswa kwepakati pekumanikidza kuburitsa imwe huwandu hwemvura,kuitira kudzivirira sisitimu yekumanikidza kupfuura iyo yakatarwa chiyero kukosha. Kana dzvinyiriro ichidzoserwa kune yakajairika chiyero kukosha, gedhi revhavha rinovharika otomatiki zvakare kudzivirira yepakati kubva pakubuda zvakare.
Imwe, rudzi rwevharuvhu
Chechipiri, chimiro chevhavha
Spring type valve:
Pulse valve
Chimiro chine vharafu huru, vharafu yebetsero. Ivhavhavha yekubatsira ishoma inokurumidza kutakura vharafu yakabatana nevhavha huru. Kana iyo system software yakawandisa, vharafu yekubatsira inotanga kuvhurika, exhaust yepakati. Inokodzera diki caliber, hombe bhiza uye yakanyanya kudzvanywa system.
1 pilot valve 2. Main valve 3. Park top brake chamber 4. Piston seal ring 5. High pressure gate valve 6. Pressure sensor nozzle
Tatu, kusarudzwa kwemavharuvhu
(1) Kukurumidza kuita nekukurumidza;
(2) Kuva nekumanikidza kunodiwa kwekubuda;
(3) Ita shuwa yekumanikidza simba, kusimba uye kuvimbika mukushandisa;
(4) Zvikanganiso zvinobvumirwa uye zvakatsanangurwa maitiro e postural maitiro.
Pilot rudzi rwekuchengetedza vharafu imhando yevhavha yekudzivirira, inovhura nekuvhara zvikamu pasi pekuita kwesimba rekunze munzvimbo yakavhurika uye inowanzovharika, apo kudzvanywa kwepakati mumidziyo uye pombi inosimuka, kupfuura kukosha kwakajairika kuvhurwa otomatiki, inogona kuburitswa kune system software kudzivirira iyo yepakati kudzvanywa mupombi kana midziyo inodarika huwandu hwekukosha kwakajairika. Pilot kuchengetedza vharafu inoshandiswa mugasi rechisikigo, liquefied gasi rechisikigo uye makemikari plant pressure pressure midziyo nemapombi eindasitiri, ine kuputika-proof chengetedzo, anti-static, chisimbiso chakavimbika, kuvhura nekukurumidza nekuvhara uye kufambisa kukuru kwezvakanatswa zvakanakira.
Pilot mhando yekuchengetedza vharafu imhando yevhavhavha yekudzivirira, inovhura uye inovhara pasi pekuita kwesimba rekunze munzvimbo yakavhurika uye inowanzovharika, kana iyo yepakati kudzvanywa mumidziyo uye pombi inosimuka, kupfuura kukosha kwakajairika kuvhurwa otomatiki. kuburitswa kune system software kudzivirira iyo yepakati kudzvanywa mupombi kana midziyo inodarika huwandu hwekukosha kwakajairika. Pilot kuchengetedza vharafu *** inoshandiswa mugasi rechisikigo, rakanyungudutswa gasi uye kemikari dhizaini midziyo yemidziyo nemapombi eindasitiri, ine kuputika-kuchengetedzeka kuchengetedzeka, anti-static, chisimbiso chakavimbika, kuvhura nekukurumidza nekuvhara uye kufambisa kwakakura kwezvakanakira zvakanakira.
Mamiriro ezvinhu emutyairi wekuchengetedza valve
Pilot rudzi rwekuchengetedza vharafu nevharuvhu huru, vharafu yekutyaira, vharafu yekuyamura, inobatanidza musoro uye hose. Pasi pemamiriro ezvinhu akajairwa, huwandu hwepakati hwepakati hunoshandiswa kune zvose zviri pasi nepamusoro zvikamu zve disc huru.
Nemhaka yokuti nzvimbo yose yekamuri yebrake yepakati inobudirira pamusoro pe diski huru yakakura kudarika nzvimbo yose yehutano hwepakati pasi pe diski huru, pasi pesimba rekumanikidza kusiyana, iyo huru disc iri mumamiriro ekudzima. Nekusimuka kwepombi yepakati kudzvanywa, iyo chisimbiso chaiyo yekumanikidza yakawanikwa ichaperekedzwa nekuwedzera, izvo chaizvo zvakapesana neiyo torsion chitubu chekukurumidza kurodha vharafu, ndiko kuti, iyo yakakura yepakati kudzvanywa, iyo inonyanya kuvimbika chisimbiso. Kana pombi yepakati pekumanikidza isina kujairika uye inosvika kana kupfuura kudzvanywa kwekuisa, vharafu yevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavharwa (FIG. 2) inovhura nekukasira, uye svikiro riri mukamuri remhepo riri pamusoro pevharuvhu guru rinobuda nekukurumidza zvichienderana nepombi yekupedza simba. connector of the pilot valve. Pasi pesimba reiyo super yakasimba yepakati kudzvanywa pazasi, iyo huru valve flap inovhura ipapo ipapo, uye yepakati inoburitswa nekukurumidza kubva pakubuda kwevhavha huru. Iyo yepakati dzvinyiriro mupombi inodzoserwa kune yakajairwa kushanda kumanikidza kuti ive nechokwadi chekuchengetedzwa kwesoftware software.
Kana pombi yepakati pekumanikidza inodonha kusvika pa90% yevhavha yekuisa pressure yakaiswa nesoftware system, dhisiki yevharuvhu pavharuvhu yekutyaira inovharwa, uye pombi yepakati inopindawo mukamuri yebhureki pamusoro pevharuvhu guru kuburikidza nevharuvhu yekutyaira. Pasi pesimba rekumanikidza musiyano, iyo huru valve yakavharwa kuti ive nechokwadi chekushanda kwakazara.
Nheyo yevharuvhu yekuchengetedza mutyairi
Ivhavhavhavhavha inoumbwa neoiri yedunhu ndiro, yakaderera valve disc, diki chain, vent joint, repamusoro valve disc, torsion spring uye drain valve.
Mumamiriro ezvinhu akajairika, iyo pilot valve yekumusoro disc iri kunze kwenyika, pilot valve yakadzika disc munzvimbo yakavhurika. Iyo pombi yepakati inopinda mukamuri yemhepo pamusoro peiyo huru yevhavha disc zvinoenderana neiyo yakaderera valve disc, kuitira kuti main valve disc yakavharwa. Kana pombi yepakati pekumanikidza isina kujairika uye inosvika kana kudarika simba rose rakaiswa, dhayi rezasi revharuvhu yevhavhavhavha inovharwa pasi pesimba repakati pressure, uye pombi yepakati inodimburwa mugero rekuchengetedza pamusoro peiyo main valve disc. Panguva imwecheteyo, dhisiki yevhavha yevhavhavhavha inosimudzwa kumusoro neketani diki, ndiko kuti, vheji yekufambisa inovhurwa, uye kamuri yemhepo yemukati pamusoro peiyo huru yevhavha disc inokurumidza kuburitswa maererano neanopedza pombi yekubatanidza. Pasi pesimba rakasimba rekumanikidza kwepakati pasi peiyo huru valve disc, inovhura ipapo ipapo, uye iyo pombi yepakati inoburitswa kubva pakubuda kwevhavha huru nekukurumidza, kuitira kuti iyo pombi yepakati kumanikidzwa kudzoserwe kune yakajairika kushanda kumanikidza, kuve nechokwadi. kuchengetedzwa kwehurongwa. Kana pombi yepombi inodonha kusvika ku90% yekumisikidzwa kwegadziriro yakaiswa nesoftware system, dhisiki repamusoro revharuvha yevhavhavha inovharwa pasi pechiito chechirimo. Panguva imwecheteyo, dhisiki rezasi revharuvhu yevharuvhu inosundirwa yakavhurika neketani diki. Iyo pombi yepakati inopinda mukamuri yebhureki pamusoro peiyo huru valve disc zvinoenderana neiyo yakaderera valve disc, uye main valve disc yakavharwa pasi pesimba rekumanikidza musiyano, kuve nechokwadi chekushandiswa kwakajairwa kwesoftware system.
Kana zvikaonekwa kuti pombi yepakati yekumanikidza haina kujairika, uye kutadza kwevharuvhu yekutyaira hakugone kuvhurwa, vharafu yevatyairi muvharuvhu yekuyamura, buritsa guru revhavha disc pamusoro pemhepo yekamuri yemukati, kuitira kuti huru vharafu disc ivhure, isunungure. iyo midhiya mupombi isina kujairika kudzvanywa, kuve nechokwadi chekuchengetedzwa kwehurongwa.
Kuisirwa kutsanangurwa kwemutyairi anoshanda ekuchengetedza mavharuvhu
(l) Choto chekudziya chine chiyero che evaporation inodarika 0.5t/h ichave ine angangoita maviri ekudzivirira mavharuvhu: Choto chekudziya chine yakatemerwa evaporation simba isingasviki kana kuenzana ne0.5t/h ichave yakashongedzerwa ingangoita vharafu imwe. . Rational boiler simba saver inlet uye yekubuda, steam inopisa pamusoro pekupinda uye yekubuda inofanira kurongerwa pilot kuchengetedza vharafu.
(2) vharuvhu yekuchengetedza mutyairi inofanira kuiswa yakatwasuka muhari, silinda yehari ine nzvimbo yakakwirira. Pakati pevhavha nemuviri wechoto kana chigubhu, pombi yekubuda kwemhepo nevhavha yegedhi haizogadzirirwe.
(3) Mutyairi werudzi rwekuchengetedza vharafu inoda kudzivirira huremu yemhando yakazvimirira inofambisa chishandiso uye kudzikisira iyo yezvemari lever yakakanganiswa mafambiro ekutungamira furemu, chitubu chemhando yekuchengetedza vharafu inoda kuvandudza ruoko uye kudzivirira isina kujairika screw yekugadzirisa mudziyo.
(4) Pamaboilers egasi ane mhute yakayerwa ishoma pane kana kuenzana ne3.82MPa, dhayamita yehuro yevharuvhu yekudzivirira haifanire kunge iri pasi pe25mm: Kune mabhailer egasi ane mhute yakayerwa kupfuura 3.82MPa, dhayamita yehuro haifanire. kuva pasi pe20mm.
(5) pilot rudzi rwekuchengetedza valve uye boiler rubber tube, chikamu chacho hachifaniri kunge chiri pasi pechikamu chekupinda chevhavha. Kana mavharuvhu akati wandei akaiswa pamwe chete pachubhu collar pakarepo yakabatana nechoto chevira, chikamu chechiteshi chechubhu collar haifanire kunge inopfuura 1.25 nguva yakazara yevharuvhu yekuburitsa nzvimbo.
(6) mutyairi werudzi rwekuchengetedza vharafu inofanirwa kuiswa pombi yekupedza, pombi yekupedza inofanira kutungamira kero yekuchengetedza, uye iine chikamu chakakwana kuti ive nechokwadi chekubuda kwemhepo. Mugumo wepasi wepombi yekutsvaira yevhavha inofanira kuzadzwa nemakumbo ekufungidzira kuti kune pombi yemvura inogamuchirwa munzvimbo yakachengeteka, uye gedhi regedhi harigoni kuiswa papombi yekupedza uye pombi yemvura.
Nguva yekutumira: Mar-18-2023
