Kukanganisa kwakajairika uye matanho ekudzivirira evhavhavhavhavha uye gedhi mavharuvhu

Iyo valve inoramba ichichengetedza uye inopedzisa zvakapihwa zvinoshanda zvinodiwa mukati meimwe nguva yekushanda, uye kuita kwekuchengetedza yakapihwa parameter kukosha mukati meiyo yakatarwa inonzi kukundikana-isina. Kana kushanda kwevhavha kuchikuvadzwa, ichava A malfunction ichaitika.

1. Stuffing bhokisi leakage

Ichi ndicho chinhu chikuru chekumhanya, kumhanya, kudonha, uye kubuda, uye inowanzoonekwa mumafekitori.

Zvikonzero zvekudonha kwebhokisi rekushongedza ndezvizvi:

① Izvo zvinhu hazvienderane nekuora, tembiricha uye kumanikidza kwesvikiro rekushanda;

②Nzira yekuzadza haina kunaka, kunyanya kana iyo yese yekurongedza ikaiswa mumhepo, inogona kukonzera kuvuza;

③Kurongeka kwekugadzira kana kupera kwepamusoro kwehunde yevharuvhu hakuna kukwana, kana kune ovality, kana kune nick;

④Dzinde revharuvhu rakaiswa gomba, kana kuita ngura nekuda kwekushaya dziviriro mumhepo yakashama;

⑤Zinde revharuvhu rakakotama;

⑥Kutakura kwave kushandiswa kwenguva yakareba uye kwakwegura;

⑦Kuvhiya kwacho kune chisimba zvakanyanya.

Iyo nzira yekubvisa kurongedza kuvuza ndeye:

① Kusarudzwa kwakaringana kwemafiritsi;

②Zadza nenzira kwayo;

③ Kana dzinde revharuvhu risingakodzeri, rinofanirwa kugadziriswa kana kutsiviwa, uye kupera kwepamusoro kunofanirwa kunge kuri ▽5, uye zvakanyanya kukosha, rinofanira kusvika ▽8 kana pamusoro, uye hapana kumwe kukanganisa;

④ Tora matanho ekudzivirira kudzivirira ngura, uye ayo ane ngura anofanira kutsiviwa;

⑤Kupeta kwechidzitiro chevhavha kunofanira kutwasanudzwa kana kuvandudzwa;

⑥ Mushure mekunge kurongedza kwashandiswa kweimwe nguva yenguva, kunofanirwa kutsiviwa;

⑦Kuvhiya kunofanirwa kugadzikana, kuvhura zvishoma nezvishoma uye kuvhara zvishoma nezvishoma kudzivirira kushanduka kwekushisa kamwe kamwe kana kukanganisa kwepakati.

2. Kubuda kwezvikamu zvekuvhara

Kazhinji, kuvuza kwebhokisi rekuisa kunonzi kubuda kwekunze, uye chikamu chekuvhara chinonzi kudonha kwemukati. Kubuda kwezvikamu zvekuvhara, mukati mevhavha, hazvisi nyore kuwana.

Kudonha kwezvikamu zvekuvhara kunogona kukamurwa kuita mapoka maviri: imwe ndeyekudonha kwenzvimbo yekuvharisa, uye imwe yacho kudonha kwemudzi wemhete yekuisa chisimbiso.

Zvikonzero zvekubuda ropa ndezvi:

① Nzvimbo yekuisa chisimbiso haina kuvhurika zvakanaka;

②Mhete yekuisa chisimbiso haina kunyatsoenderana nechigaro chevharuvhu nevhavha disc;

③Kubatana pakati pevharuvhu disc uye hunde yevharuvhu haina kusimba;

④Ivhavha hunde yakakotama uye yakamonyoroka, kuitira kuti nzvimbo dzepamusoro nedzepasi dzekuvhara dzisave pakati;

⑤Kuvhara nekukurumidza, nzvimbo yekuisa chisimbiso haisi mukubata kwakanaka kana kuti yakarebesa kukuvara;

⑥ kusarudzwa kwezvinhu zvisina kunaka, hazvigone kumira nekuora kwepakati;

⑦Shandisa globe valve uye gedhi valve sevhavha inogadzirisa. Nzvimbo yekuvhara haigoni kumira nekukukurwa kwemhepo inoyerera yepamusoro-soro;

⑧Mimwe midhiya inotonhora zvishoma nezvishoma mushure mekuvharwa kwevhavha, kuitira kuti nzvimbo yekuisa chisimbiso ioneke slits, uye kukukurwa kuchaitikawo;

⑨Threaded connection inoshandiswa pakati pezvimwe zvisimbiso uye chigaro chevharuvhu nevharuvhu disc, iri nyore kugadzira oxygen concentration musiyano bhatiri uye corrode yakasununguka;

⑩Ivhavha haigone kuvharwa zvakasimba nekuda kwekumisikidzwa kwetsvina senge welding slag, ngura, guruva, kana ma mechanika zvikamu mugadziriro yekugadzira inodonha nekuvharira simbi yevhavha.

Matanho ekudzivirira ndeaya:

① Usati washandisa, iwe unofanirwa kunyatso edza kudzvanywa uye kuvuza, uye nekutsvaga kubuda kwenzvimbo yekuvharisa kana mudzi wemhete yekuisa chisimbiso, wozoishandisa mushure mekurapwa;

②Zvakakosha kutarisa pachine nguva kana zvikamu zvakasiyana-siyana zvevhavha zviri mumamiriro akanaka. Usashandise vharafu iyo tsinde yevharuvhu yakakotama kana kumonyoroka kana dhisiki yevhavha uye tsinde yevhavha haina kubatana zvakachengeteka;

③Ivhavha inofanira kuvharwa zvakasimba, kwete zvechisimba. Kana iwe ukaona kuti kushamwaridzana pakati pekuvhara chisimbiso hakuna kunaka kana kuti pane chidziviriro, iwe unofanira kuzarura pakarepo kwechinguva chiduku kuti marara aende kunze, uye wobva wavhara zvakanyatsonaka;

④Paunosarudza vharafu, kwete chete kushora kwemuviri wevharuvhu, asiwo kushora kwekudzivirira kwezvikamu zvekuvhara kunofanirwa kutariswa;

⑤ Maererano nemaitiro ekugadzirwa kwevhavha uye kushandiswa kwakarurama, zvikamu zvinoda kugadzirisa kuyerera zvinofanira kushandisa vheji inogadzirisa;

⑥Panyaya iyo yepakati yakatonhodzwa uye musiyano wekushisa wakakura mushure mekuvhara vharafu, vharafu inofanira kuvharwa zvakasimba mushure mekutonhora;

⑦ Kana chigaro chevhavha, valve disc uye chisimbiso mhete zvakabatanidzwa neshinda, PTFE tepi inogona kushandiswa sekutakura pakati petambo, kuitira kuti pave pasina gapu;

⑧ Sefa inofanira kuwedzerwa pamberi pevhavha yevhavha iyo inogona kuwira mukusvibiswa.

3. Valve stem lift kukundikana

Zvikonzero zvekutadza kusimudza valve stem ndezvi:

① Iyo tambo yakakuvadzwa nekuda kwekushanda zvakanyanya;

② kushaikwa kwekuzora kana kutadza kwemafuta;

③Zinde revharuvhu rakakotama uye rakamonyoroka;

④Kupera kwepamusoro hakuna kukwana;

⑤ The fit tolerance haina kururama, uye kuruma kwakanyanyisa;

⑥The valve stem nut yakarerekera;

⑦ Kusarudzwa kwezvinhu zvisina kunaka, semuenzaniso, tsinde yevharuvhu uye yevhavha stem nut inogadzirwa nechinhu chimwe chete, chiri nyore kuruma;

⑧Tanda yakasvibiswa nepakati (zvichireva vharafu ine rima stem valve kana vharafu ine stem nati pazasi);

⑨Ivhavha yakavhurika haina dziviriro, uye shinda yevharuvhu yakafukidzwa neguruva nejecha, kana kuita ngura nemvura, dova, chando nechando.

Nzira dzekudzivirira:

① Kungwarira kushanda, usamanikidza kana uchivhara, usasvike kumusoro kwakafa kana uchivhura, tenderedza handwheel imwe kana maviri kutendeuka mushure mekuvhura zvakakwana kuti rutivi rwepamusoro rweshinda rwuvhare, kuitira kudzivirira yepakati kubva kusunda vharafu. dzika kumusoro kusvika kune simba;

② Tarisa mamiriro ekuzora kazhinji uye chengetedza yakajairika lubrication mamiriro;

③Usavhura nekuvhara vharuvhu nerebere refu. Vashandi vakajaira kushandisa lever pfupi vanofanira kudzora zvakasimba kuwanda kwesimba kudzivirira kumonyanisa tsinde yevharuvhu (zvichireva vharafu yakabatana zvakananga nehandwheel uye tsinde yevharuvhu);

④Kuvandudza kunaka kwekugadzirisa kana kugadzirisa kusangana nezvinodiwa;

⑤Nyaya yacho inofanira kunge inopesana nekuora uye inoenderana nekushisa kwekushanda uye mamwe mamiriro ekushanda;

⑥Ivharuvhu hunde nati haifanirwe kugadzirwa nechinhu chimwe chete nedzinde revharuvhu;

⑦ Paunenge uchishandisa mapurasitiki sevhavha stem nut, simba rinofanira kuongororwa, kwete chete kunaka kwekudzivirira kusvibiswa uye kukanganiswa kuduku, asiwo dambudziko resimba, kana simba risina kukwana, usashandise;

⑧Ivhavhavhavha yekudzivirira yevhavha inofanirwa kuwedzerwa kune yakavhurika mhepo vharafu;

⑨Paunowanzo kuvhurika vharafu, tenderedza vhiri reruoko nguva nenguva kudzivirira hunde yevharuvhu kubva kuita ngura.

4. Zvimwe

Gasket leakage:

Chikonzero chikuru ndechekuti hachigadziriswe nekuora uye hachichinji kune tembiricha yekushanda nekumanikidza; uye kushanduka kwekushisa kwevhavha yepamusoro yekushisa.

Shandisa gaskets akakodzera mamiriro ekushanda. Tarisa kana iyo gasket zvinhu yakakodzera mavharuvhu matsva. Kana isina kukodzera, inofanira kutsiviwa. Kune mavharuvhu ekupisa kwepamusoro, simbisa mabhoti zvakare panguva yekushandiswa.

Muviri wevharuvhu wakatsemuka:

Kazhinji zvinokonzerwa nechando. Kana mamiriro ekunze achitonhora, vharafu inofanira kunge iine kupisa kwekushisa uye matanho ekutsvaga kupisa. Zvikasadaro, mvura iri muvharuvhu uye pombi yekubatanidza inofanira kudonhedzwa mushure mekugadzirwa kwakamira (kana paine plug pazasi pevharuvhu, plug inogona kuvhurwa kuti ibude).

Handwheel yakakuvadzwa:

Inokonzerwa nekukanganisa kana kushanda kwakasimba kwereba refu. Inogona kudziviswa chero bedzi mushandisi uye vamwe vashandi vane hanya vachiteerera.

Iyo yekurongedza gland yakatyoka:

Simba risina kuenzana paunenge uchimanikidza kurongedza, kana ganda rakaremara (kazhinji simbi yakakandwa). Dzvinyirira kurongedza, tenderedza screw symmetrically, uye usatsveta. Paunenge uchigadzira, kwete chete inofanirwa kutarisisa kune makuru uye akakosha zvikamu, asi zvakare teerera kune zvechipiri zvikamu senge glands, zvikasadaro zvichakanganisa kushandiswa.

Kubatana pakati pevharuvhu neplate yevharuvhu kunokundikana:

Ivhavhavha yegedhi inotora nzira dzakawanda dzekubatanidza pakati pemusoro werectangular wejivha yevhavha uye T-shaped groove yegedhi, uye T-shaped groove dzimwe nguva haigadziriswi, saka rectangular head of valve stem inopfeka nokukurumidza. Kunyanya kubva pakugadzira chikamu chekugadzirisa. Nekudaro, mushandisi anogona zvakare kugadzira iyo T-yakaita groove kuti iite kuti ive nekutsvedzereka.

Gedhi revhavha yegedhi mbiri haigone kudzvanya chivharo zvakasimba:

Kushushikana kwegedhi rechipiri kunogadzirwa nepamusoro wedge. Kune mamwe mavharuvhu emagedhi, wedge yepamusoro ndeyezvinhu zvisina kunaka (yakaderera-giredhi simbi yakakandwa), uye ichapfekwa kana kuputswa mushure mekushandisa. Iyo wedge yepamusoro chidimbu chidiki, uye zvinhu zvinoshandiswa hazvisi zvakawanda. Mushandisi anogona kuigadzira nekabhoni simbi uye kutsiva yekutanga simbi yakakandwa.