Mitemo Yekuchengetedzeka Kushanda kwegedhi mavharuvhu uye centrifugal pombi Maitiro ekuita zvine musoro nedambudziko recavitation remapombi ecentrifugal

Mitemo Yekuchengetedzeka Kushanda kwegedhi mavharuvhu uye centrifugal pombi Maitiro ekuita zvine musoro nedambudziko recavitation remapombi ecentrifugal

Pombi mudziyo wekugadzira indasitiri yemvura, basa rayo senge moyo wemuviri wemunhu, kune sisitimu mumidziyo iri mumvura inowedzera simba, kuve nechokwadi chekushanda kwakajairika kwemaitiro ekugadzira. Mapombi akajairika akakamurwa kuita axial piston pombi, yakanaka displacement pombi, yakakosha basa pombi, etc. Imo, iyo centrifugal pombi muaxial piston pombi inoshandiswa se. Centrifugal pombi kushanda kunofanira kudzivirira matambudziko akati wandei: kumisa pombi mvura sando uye isingasviki kuyerera kudiki. Kune nzira dzakawanda dzekugadzirisa matambudziko maviri aya, asi zvakanyanya pfungwa yacho yakafanana
Pombi mudziyo wekugadzira indasitiri yemvura, basa rayo senge moyo wemuviri wemunhu, kune sisitimu mumidziyo iri mumvura inowedzera simba, kuve nechokwadi chekushanda kwakajairika kwemaitiro ekugadzira. Mapombi akajairika akakamurwa kuita axial piston pombi, yakanaka displacement pombi, yakakosha basa pombi, etc. Imo, iyo centrifugal pombi muaxial piston pombi inoshandiswa se.
Centrifugal pombi kushanda kunofanira kudzivirira matambudziko akati wandei: kumisa pombi mvura sando uye isingasviki kuyerera kudiki. Pane nzira dzakawanda dzekugadzirisa matambudziko maviri aya, asi zvakanyanya pfungwa ndeye nzira yakasimba yakatenderedza centrifugal pombi yakashongedzerwa seti yeakakodzera system software. Mavharuvhu emagedhi anoita basa rakakosha muzvirongwa zvakasiyana-siyana, asi nekuwedzera kucherechedzwa kwezvinetso zviviri izvi, kune mavharuvhu emagedhi akawanda.
1. Kumisa pombi yemvura kudzivirira nyundo uye gedhi revhavha yemvura sando inoteedzana yemvura sando chiitiko chinokonzerwa nekushanduka kwakanyanya kwepakati kuyerera kwevelocity mumhando yechipiri yekumanikidza mudziyo. Sando dzemvura dzinogona kunyanya kukuvadza, dzinoparadza pombi, pombi nemimwe michina. Pane zvikonzero zvakawanda zvinokonzerwa nenyundo yemvura mupombi yekushanda, zvakadai sekuvhara nokukurumidza kwevhavha, kumira kusina kunaka kwepombi nezvimwe zvakadaro.
Rega kupomba mvura sando musimboti
Kana zvikonzero zvisina kujairika, zvakadai sokudzima simba, pombi inomira kushanda: pakutanga, zvinhu zviri mupombi zvinoramba zvichienda mberi nerubatsiro rwesimba risina simba, asi kukurumidza kunoderera zvishoma nezvishoma kusvika zero; Panguva ino, kana dhizaini yepombi ine zvakawanda zvinokwira nekudzika, zvinhu zviri pasi pechiito chegiravhiti zvichave pombi countercurrent; Kana iyo countercurrent material inosvika pane imwe chiyero, pombi yekubuda cheki chekivhavha inovhara nekukurumidza, kuitira kuti chiyero chemidhiya yakawanda inosvika pano inongoerekana yaita zero, zvichikonzera kukwira kukuru kwekushanda kwekushanda kwezvinhu pano - zvichikonzerwa nekumira. pombi sando yemvura. Mareferensi mazhinji anosimbisa kuti kiyi yekumisa nyundo yemvura ndiko kuvharwa kamwe kamwe kwevhavhavha yekutarisa pane pombi yekubuda. Asi zvidzidzo zvakaratidza kuti kunyange zvazvo pombi yekuongorora yepombi inogona kuvharwa mune dzimwe nguva, asi muhuwandu hwezviitiko, kuitira kuti udzivise zvinhu zvakawanda zvinopesana nepombi ye centrifugal, pombi inopinza anti-countercurrent Settings inofanirwa.
Rega kupomba mvura yekudzivirira nyundo
Kune akawanda matanho ekudzivirira kukuvara kwesando yemvura kubva pakumisa pombi, senge kuungana kwesando yemvura inobvisa, vharafu yekudzikisa simba, tangi retransformer, nezvimwe, zvinotevera zvinongori sumo yakadzama yezviviri zvinowanzo shandiswa, zvine chekuita neruzhinji. valve countermeasures.
1. Isa inononoka yekuvhara cheki valve
Kunonoka kuvhara cheki vharafu imhando yevharuvhu yekutarisa iyo inoona kunonoka kudzima nekuwedzera actuator uye shock absorber. Xinhua News Agency mutori wenhau akaisa dhiyagiramu ye centrifugal pombi inomisa pombi yemvura yekudzivirira sando ine inononoka kuvhara yevhavha yekutarisa. Panguva ino, kuvhara kunonoka kuvhara valve kunoda kuiswa nevhavha yekumira (yakagurwa valve). Apo chinhu chiri pasi pechiito che countercurrent, cheki chevhavha yakavharwa zvishoma nezvishoma, zvinobudirira kudzivirira general check valve kamwe kamwe yakavharwa inokonzerwa nenyundo yemvura. Izvo zvisingabatsiri ndezvekuti nekuda kwekuvhara zvishoma nezvishoma, chikamu chezvinhu zvisingadzivisiki zvinopesana nepombi ye centrifugal, uye pombi inogona kukonzera kukanganisa kwemidziyo.
2. Isa inononoka kuvhara disc valve
Iyi inzira yakajairika uye inoshanda inoshandiswa mumhando dzese dzekuchengetedza mvura. Iyo inononoka yekuvhara disc valve inoumbwa nevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha,hiya fambisana xikan’weni na hydraulic transmission system. Xinhua News Agency mutori wenhau akaisa iyo centrifugal pombi inomisa pombi yemvura yekudzivirira sando dhizaini ine inononoka kuvhara disc valve. Iyi sisitimu inongoda kuunganidza inononoka kuvhara disc valve, iyo inogona kutamba basa revhavha yekutarisa uye kugura vharafu. Apo pombi ye centrifugal inotanga, inovhurwa maererano nekugadzirisa kwekutanga kunonoka uye nekukurumidza, kuve nechokwadi kuti pombi inotanga nemutoro wakaderera; Apo pombi inomira kushanda, inodzimwa nekutanga kutsanya uye zvishoma nezvishoma, izvo zvisingakwanisi kudzivirira kuumbwa kwesando yemvura, asiwo kudzivirira zvinhu zvakawandisa zvinopesana nepombi, zvichiita kuti centrifugal pombi isakundikana.
Zviviri, kudzivirira kuyerera kudiki mamiriro ekushanda uye gedhi mavharuvhu
Kuyerera kudiki ndeyekuona kuti pombi inogona kushanda zvakajairika kuyerera. Kana pombi iri kushanda pasi pemamiriro ekuderera kudarika kuderera kwepasi, inokonzera ruzha uye kuzununguka, maitiro epombi ye centrifugal ichave isina kugadzikana, uye kunyange kukonzera cavitation yepombi yecentrifugal, kuderedza hupenyu hwebasa repombi. Nokudaro, matanho anobudirira anofanira kutorwa kudzivirira pombi ye centrifugal kubva pakushanda pasi pemamiriro mashoma ekuyerera. Panguva ino, tsika yakapararira ndeyekuseta diki diki rekudzora loop yepombi yecentrifugal. Zvisinei, maererano nekukosha kwekushandiswa kwepombi ye centrifugal pachayo, zvinongonzwisisika kugadzirisa chidimbu chekudzora kuyerera kune iyo centrifugal pombi ine kuyerera kukuru, musoro wakakwirira uye simba guru. Mapombi eCentrifugal anobvumira iyi diki yekuyerera kukosha kuyerwa nemugadziri wepombi kana bvunzo yakajeka.
Super simple flow control loop * inofanirwa kuunganidzwa mu control loop vharuvhu yakachekwa, senge globe valve, kana iwe uchinzwa kuti pombi ichange iri mudiki kuyerera kushanda mamiriro kuvhura gedhi vharafu, kupinda kudiki kuyerera. control loop, kudzivirira pombi mune diki kuyerera mamiriro.
Iii. Summary
Chimiro chevhavha inokurudzirwa pamusoro apa yakafanana neyevhavha yakawanda, asi nekuda kwekuvandudzwa kunowirirana maererano nemamiriro ekushanda kwekushanda, iyi valve yegedhi inova yekugadzirisa matambudziko maviri aya.
Dambudziko re cavitation ye centrifugal pombi kuti ungagadzirisa sei dambudziko re cavitation ye centrifugal pombi, kunyange zvazvo isiri nyore kutarisana nedambudziko, asi chero bedzi iwe unogona kubva kune imwe neimwe inoda kubhadhara kune dambudziko rekutonga kunobudirira, kana kuti inogona kupedzisa kushandiswa zvine musoro kwepombi yecentrifugal. Nhasi tichatora pombi yecentrifugal yakagadzirwa neShanghai Hongle Pump Factory Machinery Co., Ltd. semuenzaniso wekuona kuti ndezvipi zvikamu zvinodawo kuterera kune dambudziko. Chekutanga, iyo mvura density, iyo yakakwira density yemvura, iyo yakaderera kureba kwehukama hwekusveta kuchave, kana iyo centrifugal pombi inoshandiswa kutakura hukama hwehukama idiki, cavitation ichaitika, asi iyo yakakwira density ye iyo centrifugal pombi inokwanisa kutakura diki diki density fluid
Nokuti centrifugal pombi cavitation dambudziko, kunyange zvazvo isiri nyore chaizvo kutarisana nedambudziko, asi chero bedzi iwe unogona kubva kune imwe neimwe inoda kubhadhara kune dambudziko rekugadzirisa kunobudirira, kana kuti inogona kupedzisa kushandiswa kunzwisisika kwepombi ye centrifugal. Nhasi tichatora pombi yecentrifugal yakagadzirwa neShanghai Hongle Pump Factory Machinery Co., Ltd. semuenzaniso wekuona kuti ndezvipi zvikamu zvinodawo kuterera kune dambudziko.
Chekutanga, kuwanda kwemvura, kukwirisa kwemvura, kuderera kwehumwe hurefu hwekusveta, kana pombi yecentrifugal ikashandiswa kutakura density yehukama idiki, cavitation ichaitika, asi iyo yakakwira density iyo centrifugal pombi inokwanisa kutakura diki diki density yemvura, saka zvakakosha kutakura iyo liquid density musiyano wekusarudza centrifugal pombi; Yekufambisa yemvura tembiricha yemamiriro ekunze inofanirwawo kutarisisa, nekuti kukwira kwekushisa kunokuvadza musiyano wemhute yemvura, kana inlet inoshanda kumanikidza isingashandure mamiriro ekufambisa anoramba achipisa tembiricha yemvura, mutsauko wekumanikidza uchawedzerwa, zvichikonzera cavitation. ; Naizvozvo, makambani ekunyorera anofanirwawo kusarudza kubva kune akasiyana maitiro.
Chechipiri, kana iyo yekusveta pombi yemvura yekumanikidza yakakura, iyo inlet inoshanda kumanikidza ichaperekedzwa nekuwedzera, uye mune reverse kesi, chiteshi chekushanda chinodzvinyirira chinoderedzwa, icho zvakare chimwe chezvinhu zvakakosha zvinokonzera cavitation. Iko kutakurwa kwemvura inoputika, pasi pemamiriro ekugara ambient tembiricha, volatile fluid saturated vapor pressure yakakwira kupfuura iyo general liquid, centrifugal pombi is cavitation condition.
Muchidimbu, sutu yekusarudza yavo yega centrifugal pombi yakakosha, asiwo kudzivirira kuitika kwecavitation ndicho chinhu chakakosha, haigone kuve nesainzi uye inonzwisisika kushandiswa kwe centrifugal pombi ndicho chikonzero chikuru chedambudziko. Pfupiso yemunyori pano, ndinovimba kuti ndichakwanisa kukupa rutsigiro.