Kufuneka senze ntoni ukuba ivalve yebhabhathane iyavuza? Jonga le miba ye-5!

Ekusetyenzisweni kwemihla ngemihla kweiivalve butterfly, iintsilelo ezahlukahlukeneyo zidla ngokudibana. Ukuvuza komzimba wevalvu kunye nebhonethi yeivalve yebhabhathaneyenye yeentsilelo ezininzi. Siyintoni isizathu sale nto? Ngaba zikho ezinye iimpazamo ekufuneka uziqaphele? IIvalve ye-TWSishwankathela le meko ilandelayo,

Icandelo 1, Ukuvuza komzimba wevalvu kunye nebhonethi

1. Umgangatho wokujula wentsimbi awukho phezulu, kwaye kukho iziphene ezinjengamadyungudyungu, izakhiwo ezixengayo, kunye nokufakwa kwe-slag kumzimba wevalvu kunye nomzimba wesigqubuthelo sevalvu;

2. Isibhakabhaka siyabanda kwaye siyaqhekeka;

3. I-welding engafanelekanga, kukho iziphene ezifana nokufakwa kwe-slag, i-unwelded, i-stress cracks, njl.;

4. Ivalve yebutterfly yentsimbi yonakaliswe emva kokubethwa zizinto ezinzima.

indlela yokugcina

1. Ukuphucula umgangatho wokuphosa, qhuba uvavanyo lwamandla ngokuhambelana ngokungqongqo nemimiselo ngaphambi kokufakwa;

2. Iivalvu zebhabhathane ezinamaqondo obushushu angaphantsi kwe-0°C kunye nangaphantsi, kufuneka zigcinwe zifudumele okanye zifudumeze, kwaye iivalve zebhabhathane ezingasebenziyo kufuneka zikhutshwe ngamanzi aqokelelweyo;

3. Umthungo we-welding womzimba we-valve kunye nebhonethi eyakhiwe nge-welding kufuneka iqhutywe ngokuhambelana neenkqubo ezifanelekileyo zokusebenza kwe-welding, kunye nokufumanisa impazamo kunye novavanyo lwamandla kufuneka lwenziwe emva kwe-welding;

4. Akuvumelekanga ukutyhala kunye nokubeka izinto ezinzima kwi-valve ye-butterfly, kwaye akuvumelekanga ukubetha i-iron cast kunye ne-non-metallic butterfly valves ngeehamile zezandla. Ukufakwa kweevalve zebhabhathane ezinobubanzi obukhulu kufuneka zibe nezibiyeli.

Icandelo 2. Ukuvuza ekupakisheni

1. Ukukhetha okungalunganga kwesigcwalisi, ukungaxhathisi kwi-corrosion ephakathi, engamelani noxinzelelo oluphezulu okanye i-vacuum, ubushushu obuphezulu okanye ukusetyenziswa kobushushu obuphantsiivelufa butterfly;

2. Ukupakishwa kufakwe ngokungalunganga, kwaye kukho iziphene ezinjengokufaka indawo encinci kwindawo enkulu, i-spiral coil joints, i-tight top kunye ne-loose bottom;

3. I-filler ikhulile kwaye ilahlekelwe ukuqina kwayo ngaphaya kobomi benkonzo;

4. Ukuchaneka kwesiqu sevalve akukho phezulu, kwaye kukho iziphene ezifana nokugoba, ukubola, kunye nokuguga;

5. Inani leengqayi zokupakisha ayanelanga, kwaye i-gland ayicinezeleki ngokuqinileyo;

6. Idlala, iibholiti, kunye nezinye iindawo zonakaliswe, ukuze idlala alinakucinezelwa ngokuqinileyo;

7. Ukusebenza okungafanelekanga, amandla amaninzi, njl.;

8. Idlala ligqwethekile, kwaye isithuba phakathi kwedlala kunye nesiqu sevalve sincinci kakhulu okanye sikhulu kakhulu, okukhokelela ekugugeni kwesiqu sevalvu kunye nomonakalo ekupakishweni.

indlela yokugcina

1. Izinto eziphathekayo kunye nohlobo lokuzalisa kufuneka lukhethwe ngokweemeko zokusebenza;

2. Ukufakela ngokuchanekileyo ukupakisha ngokwemigaqo echaphazelekayo, ukupakishwa kufuneka kubekwe kwaye kuhlanganiswe nganye nganye, kwaye ukudibanisa kufuneka kube kwi-30.°C okanye 45°C;

3. Ukupakisha kunye nobomi benkonzo ende, ukuguga kunye nomonakalo kufuneka utshintshwe ngexesha;

4. Emva kokuba i-valve stem igobile kwaye igugile, kufuneka iqondiswe kwaye ilungiswe, kwaye eyonakalisiweyo kufuneka itshintshwe ngexesha;

5. Ukupakishwa kufuneka kufakwe ngokwenani elichaziweyo lokujika, i-gland kufuneka iqiniswe ngokulinganayo kwaye ifane, kwaye i-gland kufuneka ibe ne-gap yangaphambili yokuqinisa ngaphezu kwe-5mm;

6. Iingqungquthela ezonakalisiweyo, iibholithi kunye nezinye izinto kufuneka zilungiswe okanye zitshintshwe ngexesha;

7. Iinkqubo zokusebenza kufuneka zilandelwe, ngaphandle kwe-handwheel yempembelelo, isebenze ngesantya esiqhubekayo kunye namandla aqhelekileyo;

8. Iibholithi zedlala kufuneka ziqiniswe ngokulinganayo kunye ne-symmetrically. Ukuba i-gap phakathi kwe-gland kunye ne-valve stem incinci kakhulu, i-gap kufuneka inyuswe ngokufanelekileyo; ukuba i-gap phakathi kwedlala kunye ne-valve stem inkulu kakhulu, kufuneka itshintshwe.

Icandelo 3 Ukuvuza komphezulu wokutywina

1. Umphezulu wokutywina awukho phantsi kwaye awukwazi ukwenza umgca osondeleyo;

2. Iziko eliphezulu loqhagamshelo phakathi kwesiqu sevalve kunye nelungu elivalayo lixhonyiwe, alichanekanga okanye linxitywe;

3. I-valve stem igobile okanye idityaniswe ngokungalunganga, ibangela ukuba iindawo zokuvala zijike okanye ziphume embindini;

4. Umgangatho wendawo yokutywina ayikhethwanga ngokufanelekileyo okanye i-valve ayikhethwanga ngokwemiqathango yokusebenza.

indlela yokugcina

1. Khetha ngokuchanekileyo izinto kunye nohlobo lwe-gasket ngokweemeko zokusebenza;

2. Ukulungelelaniswa ngononophelo kunye nokusebenza kakuhle;

3. Iibholithi kufuneka ziqiniswe ngokulinganayo kunye ne-symmetrically. Ukuba kuyimfuneko, i-torque wrench kufuneka isetyenziswe. Amandla okuqinisa kwangaphambili kufuneka ahlangabezane neemfuno kwaye akufanele abe mkhulu kakhulu okanye omncinci. Kufuneka kubekho umsantsa othile wokuqinisa kwangaphambili phakathi kweflange kunye noqhagamshelo olunentambo;

4. Indibano ye-gasket kufuneka ihambelane phakathi, kwaye amandla kufuneka afane. I-gasket ayivumelekanga ukuba idibanise kwaye isebenzise i-gaskets kabini;

5. Umphezulu wokutywina we-static wonakaliswe, wonakaliswe, kwaye umgangatho wokucubungula awuphezulu. Ukulungiswa, ukugaya, kunye nokuhlolwa kombala kufuneka kwenziwe ukwenza umphezulu wokutywina omileyo uhlangabezane neemfuno ezifanelekileyo;

6. Xa ufaka i-gasket, qaphela ukucoceka. Umphezulu wokutywina kufuneka uhlambuluke nge-kerosene, kwaye i-gasket ayifanele iwe phantsi.

Icandelo 4. Ukuvuza kwindawo edibeneyo yeringi yokutywina

1. Umsesane wokutywina awusongwanga ngokuqinileyo;

2. Umsesane wokutywina udityaniswe nomzimba, kwaye umgangatho wokujonga uphantsi;

3. Intambo yokudibanisa, i-screw kunye nentsimbi yoxinzelelo lwendandatho yokutywina ikhululekile;

4. Umsesane wokutywina udibaniswe kwaye ugxumeke.

indlela yokugcina

1. Ukuvuza kwindawo yokutywina, i-adhesive kufuneka ifakwe isitofu kwaye igoqwe kwaye ilungiswe;

2. Umsesane wokutywina kufuneka uphinde uphindwe ngokweenkcukacha ze-welding. Xa i-welding ye-surfacing ayikwazi ukulungiswa, i-welding yokuqala kunye nokucubungula kufuneka isuswe;

3. Susa i-screws, uhlambulule ikhonkco loxinzelelo, utshintshe iindawo ezonakalisiweyo, ugaye indawo yokutywina kunye nesihlalo sokudibanisa, kwaye udibanise kwakhona. Kwiindawo ezinomonakalo omkhulu wokugqwala, unokulungiswa nge-welding, i-bonding kunye nezinye iindlela;

4. Umphezulu wokudibanisa wendandatho yokutywina i-corroded, enokulungiswa ngokugaya, ukuxhamla, njl. Ukuba ayinakulungiswa, ikhonkco lokutywina kufuneka litshintshwe.

Isiqendu 5. Ukuvuza kwenzeka xa ukuvalwa kwehla

1. Ukusebenza kakubi kubangela ukuba iindawo zokuvala zixinzelelwe kwaye amajoyina wonakaliswe kwaye aphuke;

2. Ukudibanisa inxalenye yokuvala ayiqini, ikhululekile kwaye iyawa;

3. Izinto eziphathekayo zesiqwenga sokudibanisa azikhethwanga, kwaye azikwazi ukumelana nokubola kwe-medium kunye nokugqoka komatshini.

indlela yokugcina

1. Ukusebenza ngokuchanekileyo, vala ivalve yebhabhathane ngaphandle kwamandla agqithisileyo, kwaye uvuleivalve yebhabhathanengaphandle kokugqithisa indawo ephezulu yokufa. Emva kokuba i-valve butterfly ivuliwe ngokupheleleyo, isondo lesandla kufuneka liguqulwe kancinci;

2. Ukudibanisa phakathi kwendawo yokuvala kunye ne-valve stem kufuneka iqine, kwaye kufuneka kubekho i-backstop kwi-threaded connection;

3. Izibophelelo ezisetyenziselwa ukudibanisa inxalenye yokuvala kunye ne-valve stem kufuneka imelane ne-corrosion ye-medium kwaye ibe namandla athile omatshini kunye nokuxhatshazwa kokugqoka.