Angle mhando inodzora vharafu mukugadzira nzira yekushandisa? Labyrinth control valve yakabudirira kugadzirisa matambudziko ecavitation, ruzha uye vibration yeakajairwa mavharuvhu

Angle mhando inodzora vharafu mukugadzira nzira yekushandisa? Labyrinth control valve yakabudirira kugadzirisa matambudziko ecavitation, ruzha uye vibration yemavharuvhu akajairwa Muiyo otomatiki regulation sisitimu yekugadzira maitiro, iyo yekudzora vharafu chinhu chakakosha uye chakakosha chinongedzo, chinozivikanwa semaoko nemakumbo ekugadzirwa kwemaitiro otomatiki, ndeimwe. yeaterminal control zvikamu zve otomatiki control system. Angular control valve flow nzira iri nyore, kushoma kupikisa, kazhinji yakakodzera kushandiswa mberi (kuiswa). Zvisinei, munyaya yekudonha kwepamusoro, zvinokurudzirwa kudzoreredza kushandiswa kweAngle regulator, kuitira kuti uvandudze simba risina kuenzana uye kuderedza kukuvadzwa kwe spool, asiwo kunobatsira pakuyerera kwepakati, kudzivisa coking uye. kuvhara kwemutongi. Angle regulating valve in reverse kushandiswa, kunyanya inofanira kudzivirira nguva yakareba yekuvhura kudiki, kuitira kudzivirira kusimba kwakasimba uye kukuvadza spool. Kunyanya muyedzo yekugadzira nhanho yemakemikari chirimwa, nekuda kwekuderera kwemutoro muyedzo kugadzirwa, iyo dhizaini dhizaini mamiriro haagone kukurumidza kusangana nezvinodiwa, reverse kushandiswa kweAngle regulating valve kunofanirwa kunge kuri kure sezvinobvira kudzivirira nguva refu. yekuvhurika kudiki, kuitira kudzivirira kukanganisa kuAngle inodzora vharafu. Mune otomatiki regulation sisitimu yemaitiro ekugadzira, iyo yekudzora vharafu chinhu chakakosha uye chakakosha chinongedzo, chinozivikanwa semaoko nemakumbo echigadzirwa process automation, ndechimwe chezvikamu zvinodzora zveiyo otomatiki control system. Iyo inoumbwa nezvikamu zviviri: iyo actuator uye valve. Kubva pakuona kwe hydraulics, valve inogadzirisa inzvimbo yekudzivirira inogona kushandura throttle element, iyo inogadzirisa valve inoenderana nechiratidzo chekupinza nekushandura sitiroko kuti ichinje coefficient yekudzivirira, kuitira kuti uwane chinangwa chekugadzirisa kuyerera. . Chimiro cheangular regulating valve uye kushandiswa kwechimiro che1 Angle regulating valve kuwedzera kumuviri wevhavha yeAngle, mamwe maumbirwo akafanana nevhavha yechigaro chimwe chete, maitiro ayo anotarisa nzira yaro iri nyore yekuyerera, kushomeka kushoma, kunyanya kunobatsira pakudonha kwepamusoro, high viscosity, ine yakaturikwa yakasimba uye chepfu yemvura mutemo. Inogona kudzivirira coking, kubatanidza uye kuvhara chiitiko, asi zvakare nyore kuchenesa uye kuzvichenesa. 2 Angle mhando inodzora vharafu yakanaka uye inodzosera kushandiswa pasi pemamiriro ezvinhu, Angle mhando inodzora vharafu inoiswa kumberi, ndiko kuti, pasi mudivi kunze. Chete kana iri high pressure musiyano uye high viscosity, nyore coking, svikiro rine yakaturikwa tunhu tunhu, reverse kugadzika kunokurudzirwa, kureva, divi rezvinhu kupinda pasi kunze. Chinangwa chekudzosera kumashure kushandiswa kweangular regulating valve ndeye kuvandudza simba risingaenzaniswi uye kuderedza kusakara pane spool, asiwo inobatsira kuyerera kweyakakwira viscosity, nyore coking uye yepakati ine yakamiswa chepfu, kudzivirira coking uye blockage. Muchigadzirwa cheacetaldehyde chakaunzwa neJilin Chemical Industry Co., Ltd. kubva kuWest Germany, pv-23404 Angle regulating valve inokurudzirwa kuti ishandiswe reverse pasi pemamiriro ekugadzirisa kuderera kwepamusoro. Muyedzo yekubatanidza mvura, iyo Angle inodzora vharafu inoburitsa yakasimba oscillation, uye inotumira kunze ruzha runotyisa, spool inoputsika mushure mebvunzo ye4h. Panguva iyoyo, nyanzvi dzekunze dzakatenda kuti spool yekugadzira mhando yakanga isiri yakanaka. Munyori anofunga kuti haisi dambudziko rehutano, asi nekuda kwekushandisa kusina musoro. Zvikonzero zvekuputsika kwayo zvinoongororwa pasi apa. Tinoziva kuti pari zvino, kunze kwemavharuvhu eshavishavi uye diaphragm mavharuvhu ayo anonyatso symmetrical muchimiro, mamwe ese magadzirirwo ezvigadziriso ane asymmetrical. Kana vharafu inogadzirisa inoshandura mafambiro ekuyerera, nekuda kwekuchinja kwekuyerera kuchaita) kukosha shanduko. Kuyerera kwakajairika kwemarudzi ese ekudzora mavharuvhu kuita kuti spool ivhure gwara (kushandiswa kwakanaka), mugadziri anopa chete kuyerera kweiyo yakajairwa kuyerera nzira) kukosha uye kuyerera maitiro. Kana iyo vheji yekudzora inoshandiswa mureverse, kuyerera kwevhavhavha yekudzora ichawedzera apo mvura inoyerera ichitevedza nzira iyo spool yakavharwa. Munguva yekuedzwa kwekubatanidza kwemvura, iyo yakateedzerwa maitiro mamiriro haakwanise kusvika kune yakajairika mamiriro munguva pfupi, uye vharafu inogadzirisa inoshandiswa munzvimbo diki yekuvhura kwenguva yakareba. Pamusana pesimba risina kuenzana, pachava nekusagadzikana kwakakomba. Saka vharafu inogadzirisa ichabudisa kuvhunduka kwakasimba uye ruzha rune utsinye, zvichiita kuti spool ikurumidze kuputsika. Pasi pemamiriro ekugadzirisa maitiro, kuvhurwa kwevhavha inogadzirisa ine mwero, kunyange kana kuzarura kuduku kuri pfupi, saka valve inogadzirisa inogona kushandiswa zvakajairika uye yakachengeteka. Labyrinth control valve yakabudirira kugadzirisa matambudziko ecavitation, ruzha uye kudedera kwemavharuvhu akajairwa Magetsi kana pneumatic multi-stage labyrinth regulating valve inoshandiswa mune yakawanda-nhanho axial kuyerera kuyerera kumanikidza sleeve inoumbwa nelabyrinth chiteshi inodzora vharafu, inodzora zvachose kuyerera kweiyo pakati nepakati nevharuvhu, inoderedza zvakanyanya gasi rekumanikidza kana mhepo inogadzirwa muruzha rwevharuvhu, yakagadzikana yakawanda-nhanho nhanho-pasi zvinobudirira kuita kuti mvura isaburitse cavitation, inoshandiswa munzvimbo yakakwirira yepakati nzvimbo yakagadzikana inoshanda yekudzora valve, Inogona kusarudza yakawanda - spring pneumatic film mechanism kana magetsi actuator. Iyo labyrinth control valve ine cylindrical disc ine yakawanda yecoaxial surfaces yakagoverwa nelabyrinth yemadhayamita akakombama. Zvinoenderana neakasiyana maparamita epakati, dhizaini yeakasiyana mazedhi madhiyamita uye huwandu hwematanho anopindirana anoumbwa nevhavha cage, iyo valve cage ichave iyo yakazara yekuyerera chiteshi mune akawanda madiki ekutenderera kana kunyange nhanho sekugovera kwekuyerera kwekuyerera. chiteshi, kumanikidza mvura kuti igare ichichinja nzira yekuyerera uye nzvimbo yekuyerera zvishoma nezvishoma kuderedza kudzvinyirira kwemvura, kudzivirira kuitika kwe flash cavitation, kuwedzera hupenyu hwebasa rezvikamu zvevharuvhu. Spool yakadzikama sleeve ine tight fit kuchigaro inoita kuti iderere zvakanyanya. Iwo mavharuvhu emukati akakodzera kune ese marudzi emamiriro ayo ari nyore kuvhara kuyerera uye kukonzera cavitation. Kune inotengeswa kunze kwenyika yakakwira dhizaini inodzora vharuvhu yeAmerican VTON labyrinth inodzora vharafu semuenzaniso, inowanzoshandiswa pakupisa kwakanyanya uye yakanyanya kudzvanywa chiutsi, pamwe chete nenguva dzekupa mvura. Kupisa kwepamusoro uye kudzvinyirira kwakanyanya kunotengeswa kunze kwenyika inodzora vharafu inoshandiswa zvakanyanya muchiteshi chemagetsi, simbi, petrochemical uye mamwe akawanda maindasitiri, tembiricha yepamusoro uye yakanyanya kudzvanywa inodzora valve cavitation, ruzha uye matambudziko ekudengenyeka, zvave zvakaoma kugadzirisa musoro. Labyrinth inodzora vharafu uchishandisa tekinoroji yakakura, yakagadziriswa yakajairwa vharuvhu yekudzora yakasangana nayo senge cavitation, ruzha rukuru, vibration uye mamwe matambudziko, yakashandiswa musimba rekudyara boiler inoderedza mvura inodziya, pombi yekudyisa kushoma kuyerera uye kumwe kuyerera. Iro labyrinth regulating valve inogona kugadzirwa zvakananga kune zvakasiyana-siyana zvinodiwa zvevashandisi, kuburikidza nekutonga kwekuyerera kwepakati yepakati kubvisa cavitation, ruzha, corrosion uye vibration matambudziko. Labyrinth-mhando inodzora vharafu muchimiro chedhizaini yekukurumidza disassembly, kugadzirisa nyore, inogona kuve yakanakira kutsiva spool; Mune kuyerera maitiro ekushandiswa kwekesi dhizaini, kuitira kuti ipe kuenzanisa kuyerera kwekutonga, neyakaomesesa yekuvhara maitiro. Simba rekudyara rinotora labyrinth regulating valve, iyo inogona kuve yakachengeteka uye yakagadzikana kushanda, kuvandudza mwero uye kurebesa kutenderera kwekugadzirisa. Kune yakajairwa nhanho-nhanho-pasi valve, kudzvanywa kuri p1 uye kuyerera kuri v1 kana yepakati ichipinda. Kana iyo yepakati ichiyerera ichienda kune spool chikamu, nekuda kweiyo throttling mhedzisiro ye spool uye chigaro, mutsipa shrinkage phenomenon, saka iyo yekuyerera inoyerera inokurumidza kuwedzera kusvika v2, uye kumanikidza kunokurumidza kuderedzwa kusvika p2, uye kazhinji kuderera kupfuura svikiro rakazara. vaporization pressure Pv. Muchiitiko ichi, iyo yepakati inoputika, ichiita mabhuru. Kana iyo yepakati ichiyerera nepakati pemutsipa chikamu chakaumbwa nevhavha core uye chigaro, mamiriro ekushanda anochinjawo nekuda kwekushandurwa kwegwara. Iyo yekumanikidza chiteshi inokwira uye iyo kinetic simba inoshandurwa kuita inogona simba. Panguva ino, kudzvanywa kunodzokera kuP3 uye nekumhanyisa kuv3. Kana dzvinyiriro ikadarika iyo yakazara vaporization kumanikidza kwepakati, Pv, ichangobva kuumbwa mabhuru anoputika, achigadzira yakasimba yenzvimbo kudzvanywa. Iro simba hombe kana bubble richiputika rinogona kukonzera kukuvadza kwakakomba kune yevhavha yepakati, chigaro chevharuvhu uye zvimwe zvinotsikirira zvinhu muchinguvana, zvichigadzira iyo inonzi cavitation phenomenon. Cavitation inosungirwa kukonzeresa kukuvadzwa kwevharuvhu, zvichiita kuti pave nekudonha, ruzha rwakanyanya uye kukonzeresa kudengenyeka kwezvikamu zvevhavha, zvichikanganisa kuchengetedzwa uye kugona kwehurongwa hwese. Nekuti cavitation ichaburitsa zviuru zvemumhepo yepasi pesimba kumanikidza pane iyo throttle element, saka, nekungovandudza kuoma kwepamusoro kwevhavha core uye chigaro chevharuvhu haikwanise kugadzirisa zvakanyanya dambudziko recavitation. Iyo anti-cavitation dhizaini yelabyrinth control valve ndiko kushandiswa kwelabyrinth core multistage nhanho-pasi musimboti, nekumanikidza yepakati kuyerera kuburikidza neyakatevedzana yekurudyi Angle bends kuitira kuti kuyerera kudzorwe zvachose, kuzadzisa chinangwa kudzika-pasi. Pasinei nekudonha kwekumanikidza, kushorwa kweaya macurves kunoganhura mwero weiyo midhiya inogona kuyerera kubva pakati. Mushure mekudzvinyirira kwakawanda, kudzvanywa kwepakati kunogara kuchichengetedzwa pamusoro peiyo saturated vaporization pressure yepakati pv, nokudaro kudzivirira iyo cavitation phenomenon uye kubvisa izvo zvisina kuchengeteka zvinhu. Iyo labyrinth core pack inogadzirwa neakawanda labyrinth ndiro dzakasungirirwa pasi pemamiriro akakosha (uchishandisa zvinonamira kunze kwenyika). Imwe neimwe labyrinth platter inogadziriswa neyakakwana yekugadzira nzira yekuumba huwandu hwematanho, uye imwe neimwe chiteshi inogona kupfuura nepakati pehumwe huwandu hwepakati, uye kupikisa kwepakati kunopiwa nerudyi rweAngle inokotama mugero. Zvinoenderana nezvinodiwa zvakasiyana zvevashandisi, kuburikidza nekuverenga, kusarudzwa kweakasiyana curve akateedzana, kuitira kuti yepakati kumhanya kuburikidza nelabyrinth core package inogara yakaganhurwa mune imwe nhanho. Tichireva kune ruzivo rwekune dzimwe nyika, kana mwero wekuyerera uri pasi kana pedyo ne30m/S, kukanganiswa kweiyo throttle element kuderera. Nemhaka yekuti kuyerera kwehuwandu uye nhamba yemabhenji pa labyrinth disc inogona kunge yakasiyana-siyana, uye dhisiki gobvu inogona kugadzirwa kuva yakaonda kwazvo (eg 2.5mm), valve inogona kugadzirwa kuti ipe kuyerera kuyerera maererano nezvinodiwa nemushandisi. Zvinoenderana nekushandiswa kwevharuvhu uye zvinodiwa nemushandisi, kuyerera kwemaitiro curve yevhavha inogadzirisa inogona kugadzirwa kuve mutsara, yakaenzana muzana, yakagadziridzwa muzana uye mamwe akakosha curve mafomu. Nekuti chisviniro chekushanda muvharuvhu yemagetsi chirimwando (kunyanya mvura), labyrinth inlet inodzora vharafu inowanzotora kuyerera kwepedyo chimiro. Kana iyo inoyerera yakavhara mhando chimiro, yepakati mukati memuviri wevharuvhu, kutanga kuburikidza nepakati pasuru, ipapo kuburikidza nepakati pevhavha, mushure meiyo inonyanya kukosha kubuda kubva pachigaro chevharuvhu, kuyerera kwevharuvhu kunoratidzwa neiyo label pamutumbi wevharuvhu. .