1. Nzvimbo
Iyo yakatarwa inosanganisira Normal Diameter NPS 10 ~ NPS48, Normal Pressure Kirasi (150LB～300LB) yakapetwa katatu eccentric simbi seal butterfly mavharuvhu.
2. Chigadzirwa Tsanangudzo
2.1 Zvido zvehunyanzvi
2.1.1 Dhizaini uye Kugadzira mwero: API 609
2.1.2 Kupera kusvika kumagumo ekubatanidza chiyero:ASME B16.5
2.1.3 Face to face dimension standard:API609
2.1.4 The pressure-tembiricha giredhi mwero:ASME B16.34
2.1.5 Kuongorora uye bvunzo (kusanganisira hydraulic test): API 598
2.2 Chigadzirwa General
Iyo katatu eccentric butterfly valve ine yakapetwa simbi yekuisa chisimbiso ndechimwe chezvigadzirwa zvikuru zveBVMC, uye inoshandiswa zvakanyanya musimbi, indasitiri yemwenje, simba remagetsi, petrochemical, gasi chiteshi uye mamwe minda.
3. Hunhu uye Kushandisa
Chimiro chine katatu eccentric uye simbi yakagara.Iyo ine yakanaka yekuisa chisimbiso kuita pasi pemamiriro ekamuri tembiricha uye / kana yakakwirira tembiricha.Diki vhoriyamu, huremu huremu, kuvhura nekuvhara zvinochinjika uye hupenyu hurefu hwekushanda ndizvo zvakanakira zviri pachena zvichienzaniswa nemavharuvhu egedhi kana mavharuvhu eglobhu.Inoshandiswa zvakanyanya musimbi, indasitiri yemwenje, simba remagetsi, petrochemical, marasha gasi chiteshi uye mamwe minda, kushandiswa kwekuchengetedza kwakavimbika, vharafu ndiyo yakanyanya sarudzo yemabhizinesi emazuva ano.
4.Structure
4.1 Triple eccentric metal sealing butterfly valve sezvakaratidzwa muSketch 1
Mufananidzo 1 Katatu eccentric simbi inovhara butterfly valve
5. Nheyo yekuisa chisimbiso:
Mufananidzo 2 Yakajairwa katatu eccentric simbi inosunga butterfly vharafu ndeye yakajairwa BVMC chigadzirwa, sezvakaratidzwa mune sketch 2.
(a) Mamiriro Ekuita: Nzvimbo yekutenderera yebhoti yeshavishavi (kureva kuti pakati pevharuvhu) kugadzira kurerekera kune A neshavishavi plate inosunga nzvimbo, uye kurerekera B nepakati mutsara wevharuvhu.Uye Angle βbe yakagadzirwa pakati pemutsara wepakati pechiso chechisimbiso nechigaro chechigaro (kureva, axial mutsara wemuviri)
(b) Nheyo yekuisa chisimbiso: Kubva pane kaviri eccentric butterfly valve, katatu eccentric butterfly valve yakagadzira Angleβ pakati pepakati pechigaro nemuviri.The bias effect inoratidzwa mumufananidzo 3 cross-section.Kana katatu eccentric sealing butterfly valve iri panzvimbo yakavhurika zvakazara, shavishavi ndiro yekuvharisa pamusoro inoparadzaniswa zvachose kubva pachigaro chevharuvhu chekuvharisa.Uye pachaita kucheneswa γpakati peshavishavi plate inosunga kumeso uye muviri wakavharika pamusoro zvakafanana nekaviri eccentric butterfly valve.Sezvinoratidzwa mumufananidzo 4, nekuda kwekuumbwa kwe β angle, anglesβ1 uye β2 ichaumba pakati pe tangent line ye disc rotation track uye chigaro chevhavha chisimbiso chepamusoro.Paunenge uchivhura nekuvhara dhisiki, iyo butterfly plate yekuisa chisimbiso pamusoro zvishoma nezvishoma inopatsanurwa uye compact, uye ipapo kubvisa zvachose mechanical kupfeka uye abrasion.Kana ukavhuna vharavhavhavha, iyo disc sealing surface ichaparadzana pakarepo kubva pachigaro chevhavha.Uye chete panguva yakavharwa zvizere, iyo disc inobatana muchigaro.Sezvinoratidzwa mumufananidzo4, nekuda kwekuumbwa kwekona β1 uye β2, kana vhavhavhavhavha yakavharwa, chisimbiso chisimbiso chinobudiswa nevhavha shaft drive torque generation kwete kushanduka kwechigaro chevhavhavhavhavha.Izvo hazvingogone kubvisa mukana wekusimbisa mhedzisiro yekudzikisa uye kutadza kunokonzerwa nechigaro zvinhu kuchembera, kutonhora kuyerera, elastic invalidation zvinhu, uye inogona kugadziriswa zvakasununguka kuburikidza nedhiraivha torque, kuitira kuti katatu eccentric butterfly valve yekuisa chisimbiso uye hupenyu hwekushanda huve hwakanyanya. kuvandudzwa.
Mufananidzo 2 Katatu eccentric kaviri-nzira simbi yakavharwa butterfly valve
Mufananidzo 3 Dhiagiramu yekatatu eccentric kaviri simbi inosunga butterfly vharafu panzvimbo yakavhurika
Mufananidzo 4 Dhiagiramu yekatatu eccentric kaviri simbi inosunga butterfly valve padyo
6.1 Kuiswa
6.1.1 Kunyatsotarisa zviri mukati mevharuvhu nameplate usati waisa, iva nechokwadi chekuti mhando, saizi, zvinhu zvechigaro uye tembiricha yevharuvhu zvichaenderana nebasa repombi.
6.1.2 Kutarisa zviri nani mabhaudhi ese akakochekera usati waiswa, kuita shuwa kuti ari kusimba zvakaenzana.Uye kutarisa kana compression uye chisimbiso chekurongedza.
6.1.3 Kutarisa vharafu ine mavara ekuyerera, seanoratidza kwainoyerera,
Uye kuisa valve kunofanira kuenderana nezvinodiwa zvekuyerera.
6.1.4 Pombi inofanira kucheneswa uye kubviswa mafuta ayo, welding slag nezvimwe tsvina isati yaiswa.
6.1.5 Valvha inofanira kubuditswa kunze zvinyoro nyoro, ichirambidza kukanda nekudonha kwayo.
6.1.6 Tinofanira kubvisa chivharo cheguruva pamagumo evhavha pakuisa valve.
6.1.7 Paunenge uchiisa valve, kukora kweflange gasket kunopfuura 2 mm uye kuoma kwemahombekombe kunopfuura 70 PTFE kana kuputika gasket, flange yekubatanidza mabhoti inofanira kusimbiswa diagonally.
6.1.8 Kusununguka kwekurongedza kunogona kukonzerwa nekushanduka kwekuzunguzika uye tembiricha mukufambisa, uye kuomesa nzungu dzepacking gland kana paine kuvuza mukuvharwa kwedzinde mushure mekuiswa.
6.1.9 Usati waisa valve, nzvimbo yepneumatic actuator inofanira kugadziriswa, kuitira kuti iite basa rekugadzira nekugadzirisa pasi zvisingatarisirwi.Uye iyo actuator inofanirwa kuongororwa uye kuongororwa isati yaiswa mukugadzira.
6.1.10 Ongororo iri kuuya inofanira kunge inoenderana nezviyero zvinoenderana.Kana iyo nzira isiriyo kana kuti yakagadzirwa nemunhu, BVMC Kambani haitore chero mutoro.
6.2 Kuchengeta uye Kuchengeta
6.2.1 Migumo inofanira kuvharwa nevhu rakavhara muimba yakaoma uye ine mhepo, kuti ive nechokwadi chekuchena kwevhavhavhavha.
6.2.2 Apo valve yekuchengetedza kwenguva refu inoshandiswa zvakare, kurongedza kunofanira kuongororwa kana kusina kukodzera uye kuzadza mafuta ekuzora muzvikamu zvinotenderera.
6.2.3 Mavharuvhu anofanira kushandiswa uye kuchengetedzwa munguva yewaranti (maererano nechibvumirano), kusanganisira kutsiva gasket, kurongedza nezvimwe.
6.2.4 Mamiriro ekushanda evhavha anofanira kuramba akachena, nokuti anogona kuwedzera hupenyu hwayo hwebasa.
6.2.5 Mavharuvhu anofanirwa kuongorora uye kugadzirisa nguva nenguva mukushanda kudzivirira kubva mukuora uye kuve nechokwadi chekuti midziyo iri muchimiro chakanaka.
Kana iyo yepakati iri mvura kana mafuta, zvinokurudzirwa kuti mavharuvhu anofanirwa kuongororwa uye kuchengetedzwa mwedzi mitatu yega yega.Uye kana svikiro racho richiita ngura, zvinokurudzirwa kuti mavharuvhu ose kana chikamu chemavharuvhu chitariswe uye kuchengetedzwa mwedzi wega wega.
6.2.6 Air filter relief-pressure valve inofanira kudonhedza nguva dzose, kusvibiswa kwemhepo, kutsiva chinhu chesefa.Kuchengeta mhepo yakachena uye yakaoma kudzivirira kusvibiswa kwepneumatic components, chikonzero chekukundikana.(Kuona "iyo pneumatic actuator mirairo yekushanda")
6.2.7 Silinda, zvinhu zvepneumatic uye pombi zvinofanirwa kuongororwa nekungwarira uye nguva nenguva kurambidza kubuda kwegasi (Kuona "iyo pneumatic actuator mashandiro ekuraira")
6.2.8 Pakugadziridza mavharuvhu anofanira kugezesa nhengo zvakare, kubvisa muviri wekunze, mavara uye nzvimbo ine ngura.Kutsiva gaskets yakakuvadzwa uye kurongedza, nzvimbo yekuisa chisimbiso inofanira kugadziriswa.Hydraulic bvunzo inofanira kuitwa zvakare mushure mekugadzirisa, vanokwanisa vanogona kushandisa.
6.2.9 Chikamu chinoitwa chevharuvhu (sedzinde uye chisimbiso chekuisa) chinofanira kugara chakachena uye nekupukuta guruva kudzivirira kubva pakupwanya nekuora.
6.2.10 Kana paine kuvuza mukutakura uye kurongedza gland nzungu kunofanirwa kusimbiswa zvakananga kana kushandura kurongedza zvinoenderana nemamiriro ezvinhu.Asi Hazvibvumirwi kushandura kurongedza nekumanikidza.
6.2.11 Kana kuvhara kwevhavha kusina kugadziriswa paIndaneti kana kune mamwe matambudziko ekushanda, kana kubvisa valve kunofanira kuenderana nematanho anotevera:
a.Cherechedza kuchengeteka: kuitira kuchengeteka kwako, kubvisa valve kubva pombi kutanga kunofanira kunzwisisa kuti svikiro riri mupombi chii.Iwe unofanirwa kupfeka midziyo yekudzivirira yekudzivirira yepakati mukati mekukuvara kwepombi.Panguva imwecheteyo kuve nechokwadi chekuti pombi yepakati kudzvanywa kare.Ivhavha inofanira kuvharwa zvakakwana isati yabvisa valve.
b.Kubvisa pneumatic device (kusanganisira kubatanidza sleeve, Kuona "iyo pneumatic actuator operation instruction") inofanira kuchenjerera kushanda kuitira kuti irege kukuvadzwa kubva padzinde uye pneumatic device;
c.Mhete yekuisa chisimbiso yedhisiki nechigaro inofanira kutariswa kana iine makwapa kana vharuvhu yeshavishavi yakazaruka.Kana paine chikwee chidiki chechigaro, chinogona kushandisa jira remery kana mafuta pachisimbiso chepamusoro kuti chigadziriswe.Kana zvishoma zvakadzika zvakadzika zvichionekwa, matanho akakodzera anofanira kutorwa kuti agadzirise, butterfly valve inogona kushandisa mushure mekuedzwa kwakakodzera.
d.Kana iyo stem packing iri kudonha, iyo inotakura gland inofanira kubvisa, uye kutarisa tsinde uye kurongedza nepamusoro, kana dzinde riine chero kukwenya, valve inofanira kuungana mushure mekugadzirisa.kana kurongedza kwakuvadzwa, kurongedza kunofanira kutsiviwa.
e. Kana silinda iine matambudziko, inoongorora zvinhu zvepneumatic, ive nechokwadi chekuti gasi nzira inoyerera uye mhepo yekumanikidza, electromagnetic reversing valve yakajairika.Kuona "iyo pneumatic actuator mirairo yekushanda")
f. Kana gasi rakaiswa mupneumatic device, rinova nechokwadi chokuti humburumbira hapana mukati nokunze haina kuvuza.Kana pneumatic mudziyo chisimbiso chakuvadzwa zvinogona kukonzera kudzikira oparesheni torque, kuitira kuti kusasangana butterfly vharafu kuvhura uye kuvhara kushanda, anofanira kuteerera nguva dzose kuongorora uye kutsiva zvikamu.
Pneumatic butterfly valve dzimwe nhengo kazhinji hadzigadzirise.Kana kukuvara kwakanyanya, taura nefekitari kana kutumira kune fekitori kugadzirisa.
6.2.12 Muedzo
Ivhavha ichave yakamanikidzwa kuedza mushure mokunge vheji yakagadzirisa muedzo maererano nemitemo yakakodzera.
6.3 Murairo wekushanda
6.3.1 Pneumatic inoshandiswa valve ine cylinder device driver ichaitwa dhisiki ichitenderera 90 ° kuvhura kana kuvhara valve.
6.3.2 Iyo yakavhurika-yepedyo nzira yepneumatic actuated butterfly valve ichaiswa chiratidzo chenzvimbo pamudziyo wepneumatic.
6.3.3 Butterfly valve ine truncation uye kugadzirisa chiito inogona kushandiswa semvura inoshandura uye kudzora kuyerera.Kazhinji hazvibvumidzwe kupfuura kudzvanywa - tembiricha yemuganhu mamiriro kana kugara ichichinjana kumanikidza uye tembiricha mamiriro
6.3.4 Butterfly valve ine simba rekudzivirira kune high pressure kusiyana, usarega butterfly valve ichizaruka pasi pe-high-pressure mutsauko kunyange pakusiyana kwepamusoro kunoramba kutenderera.Zvikasadaro zvinogona kukonzera kukuvadzwa, kana kunyangwe njodzi yakakomba yekuchengetedza uye kurasikirwa kwepfuma.
6.3.5 Mavharuvhu epneumatic anoshandisa kazhinji, uye maitiro ekufambisa uye mamiriro ekuzora anofanira kuongororwa nguva dzose.
6.3.6 Mudziyo wepneumatic wakatarisana newachi kuti vharuvhu yeshavishavi ivharwe, inopesana newachi kuti shavishavi rivhure.
6.3.7 Uchishandisa pneumatic butterfly valve inofanirwa kutarisisa kumhepo yakachena, mweya wekupa mweya uri 0.4 ~ 0.7 Mpa.Kuchengetedza nzira dzemhepo dzakavhurika, dzisingabvumidzwe kuvhara mhepo inopinza uye kuyerera kwemhepo.Isati yashanda, inoda kupinda mumhepo yakamanikidzwa kuona kana pneumatic butterfly valve kufamba kwakajairika.teerera kune pneumatic butterfly vharafu yakavhurika kana yakavharwa, ingave dhisiki yakazara yakavhurika kana yakavharwa chinzvimbo.Kuteerera kune nzvimbo yevhavha uye nzvimbo ye cylinder inopindirana.
6.3.8 Mamiriro epneumatic actuators crank arm ndeye rectangular musoro, unoshandiswa kugadzira manyore.Kana tsaona ikaitika, inogona kubvisa pombi yekupa mhepo yakananga nechipanera icho mashandiro echinyorwa anogona kuitika.
7. Zvikanganiso, zvikonzero uye mhinduro (Ona Tab 1)
Tab 1 Matambudziko anogona kuitika, zvikonzero uye mhinduro
| Zvikanganiso | Chikonzero chekukundikana | Solution |
| Ivhavha inofambisa mavharuvhu yakaoma, haichinjiki | 1. Kukundikana kweActuator2.Vhura torque yakakura kwazvo3.Air pressure yakadzikira 4.Cylinder leakage | 1. Gadzirisa uye tarisa dunhu remagetsi uye gasi remhepo yepneumatic device2.Kuderedza kurodha kwebasa uye kusarudza michina yepneumatic zvakarurama3.Kuwedzera simba remhepo 4. Tarisa mamiriro ekuvhara kwe cylinder kana sosi yejoint |
| Stem Packing Leakage | 1. Packing gland bolts is loose2.Kukuvadza kurongedza kana kuti stem | 1. Simbisa mabhaudhi egland2.Tsiva kurongedza kana dzinde |
| Leakage | 1.Nzvimbo yekuvhara yemutevedzeri wekuisa chisimbiso haina kururama | 1. Kugadzirisa actuator kuti iite nzvimbo yekuvhara yemutevedzeri wekuisa chisimbiso yakarurama |
| 2. Kuvhara hakusviki panzvimbo yakatarwa | 1.Kutarisa nzira yekuvhura-kuvhara iri munzvimbo2.Kugadzirisa maererano nemaitiro ekugadzirisa, kuitira kuti hutungamiri huenderane nemamiriro ekuvhura3 chaiyo.Kutarisa zvinhu zvinobata zviri mupombi | |
| 3. Zvikamu zvekukuvara kwevharuvhu①Kukuvadzwa kwechigaro②Disc kukuvara | 1. Tsiva chigaro2.Tsiva disc | |
| Actuator kupera | 1.Kukuvadza kwakakosha uye kudonha2.Pini yekumisa yakagurwa | 1. Tsiva kiyi pakati pehunde neinosimudzira2.Dzorera pini yekumisa |
| The pneumatic mudziyo kukundikana | Kuona "valve pneumatic device specifications" | |
Cherechedza: Vashandi vekuchengetedza vachave neruzivo rwakakodzera uye ruzivo.
Nguva yekutumira: May-19-2022