Zaɓi tushen tushen Valve da hanyar maye gurbin Valve

Zaɓi tushen tushen Valve da hanyar maye gurbin Valve

Ana amfani da tushen diski na bawul don rufe sandar ƙofar ko rufe diski, wanda zai iya hana fitowar matsakaicin aiki. Cirewar diski na bawul yana taka rawar rufewa, amma kuma yana buƙatar ƙaramin juzu'i tare da kara, bai kamata ya hana aikin tushe ba. Zaɓin tushen diski na valve ya kamata ya dogara da matsakaicin aiki, matsa lamba da zafin jiki, yin amfani da kayan diski da siffar ba daidai ba ne.
Na farko, zaɓin tushen diski valve
Ana amfani da tushen diski na bawul don rufe sandar ƙofar ko rufe diski, wanda zai iya hana fitowar matsakaicin aiki. Cirewar diski na bawul yana taka rawar rufewa, amma kuma yana buƙatar ƙaramin juzu'i tare da kara, bai kamata ya hana aikin tushe ba.
Zaɓin tushen diski na valve ya kamata ya dogara da matsakaicin aiki, matsa lamba da zafin jiki, yin amfani da kayan diski da siffar ba daidai ba ne.
Tebu na 5-1 yana lissafin rarrabuwa, aiki, da kewayon aikace-aikacen tushen faifai gama gari.
Tebur 5-1 Rabewa, aiki, da kewayon aikace-aikacen tushen faifai gama gari Matsin abu
Zazzabi (MPa)
(C) Matsakaici auduga nada tushen auduga igiya auduga, mai immersed igiyar auduga, roba auduga igiya (tushen kwanon rufi) ta pre-oxidation ko carbonization na polypropylene fiber, impregnated polytetrachlorethylene emulsion (za a iya sanya shi cikin daidaitaccen siffar) PTFE fiber, impregnated PTFE emulsion M graphite sealing zobe ne rectangular giciye sashe da'irar Biyu, hanyar maye gurbin tushen diski bawul
Valve packing bukatar canza, so a saka tsohon shiryawa, amma ka mai da hankali ba don lalata kofa sanda, sealing farantin da shaƙewa akwatin, bayan duk tsohon shiryawa, za ka iya canza sabon shiryawa, sabon shiryawa, da farko zabi size da kuma. aikin ya dace da buƙatun shiryawa, kar a ƙyale babba da ƙasa, ana amfani da su a cikin manyan tsararraki ko fashe, sa'an nan kuma ya kamata a yanke tattarawa cikin da'irar guda ɗaya, takwaransa na tushen diski ya kamata a yanke shi da kyau a cikin babban kusurwa na 45 °. , kuma tsayinsa ya kamata ya dace. Lokacin yankan tushen diski, tushen diski yana iya rauni sosai akan sandar zagaye tare da diamita daidai da diamita na tushen bawul, sa'an nan kuma ana yin rikodin layin yanka kafin yanke. Ƙara zoben coil ɗin da aka yanke a cikin akwatin coil ɗaya bayan ɗaya, kuma yi amfani da matsi ko kayan aiki ** don latsa tushen murɗa a haɗa kowane da'irar. Yanke kowane tushen murɗa guda ɗaya yakamata a yi tagulla da 90°, 180° ko 90°, 180°.
Shiryawa zuwa sashi kuma an sake danna izinin da ya dace, zurfin matsi na gland a cikin dakin tattarawa, bai kamata ya zama ƙasa da 10% na tsayin ɗaki ba, bai kamata ya fi 20% ~ 30% ba, da ƙwanƙwaran marufi, ƙari. uniform, ƙarfin dunƙule m shiryarwa yana da kyau a lokacin da juya bawul kara, domin duba shiryawa ƙara ƙara da iyakar bawul tushe, gland shine yake, ya kamata matakin kashe, babu karkatar sabon abu.
Shigarwa na tushen diski mai siffa, ana iya saita shi kai tsaye a saman ƙarshen babban bututun bawul ɗin ya kamata ya zama kamar yadda zai yiwu don amfani da hanyar saitin mutane kai tsaye, lokacin da filler ba zai iya zama saitin mutane ba, kuma ana iya amfani da shi. hanyar incision cinya.
Kulawar Valve 1.1 Kulawar Valve da wuraren shigarwa don kulawa
1). Ya kamata a sanya bawul ɗin a cikin busasshen daki mai iska, kuma duka ƙarshen diamita ya kamata a rufe su da ƙura;
2). Ya kamata a duba ajiyar lokaci mai tsawo akai-akai, kuma a rufe saman da ake sarrafawa da mai don hana lalata;
3) Kafin shigarwa na bawul, bincika a hankali ko alamar ta dace da buƙatun amfani;
4). A lokacin shigarwa, ya kamata a tsaftace rami na ciki da filin rufewa, kuma a duba marufin don ganin ko an matse shi sosai, kuma a datse ƙusoshin haɗin gwiwa daidai.
5). Ya kamata a shigar da bawul daidai da matsayi na aiki da aka ba da izini, amma ya kamata a kula da kulawa da aiki mai dacewa;
6) Yin amfani da shi, kada a buɗe wani ɓangare na bawul ɗin ƙofar don daidaita magudanar ruwa, don kada ya lalata farfajiyar rufewa lokacin da matsakaicin matsakaicin matsakaici ya yi girma, ya kamata a buɗe gabaɗaya ko rufe sosai;
7). Lokacin kunna ko kashe keken hannu, kar a yi amfani da wasu levers na taimako;
8). Ya kamata a shafa sassan watsawa akai-akai; Bawul ya kamata a koyaushe a mai da shi a cikin jujjuya juzu'i da ɓangaren zaren trapezoidal mai tushe
9) Bayan shigarwa, ya kamata a gudanar da kulawa na yau da kullum don share datti a cikin rami na ciki, duba wurin rufewa da lalacewa na ƙwayar bawul;
10). Dole ne a sami tsarin kimiyya da daidaitattun ka'idodin shigarwa, yakamata a gudanar da gwajin aikin hatimi a cikin kulawa, kuma yakamata a yi cikakkun bayanai don bincike.
11) Sauran abubuwan da suke bukatar kulawa:
1) Bawuloli yakamata a sanya su gabaɗaya kafin shigar da bututun. Bututu ya kamata ya zama na halitta, matsayi ba shi da wuyar janyewa, don kada ya bar prestress;
2) Kafin sakawa ƙananan bawul ɗin zafin jiki ya kamata ya kasance mai nisa a cikin yanayin sanyi (kamar a cikin ruwa nitrogen) don yin gwajin buɗewa da rufewa, sassauƙa kuma babu wani abin damuwa;
3) Ya kamata a daidaita bawul ɗin ruwa tare da kusurwar 10 ° karkatar da ke tsakanin tushe da matakin don kauce wa ruwa da ke gudana tare da kara kuma ƙara yawan asarar sanyi; Mafi mahimmanci, ya zama dole don kauce wa ruwa ya taɓa farfajiyar rufewa na marufi, don haka sanyi da wuya kuma ya rasa tasirin hatimi, yana haifar da zubar da ciki;
4) haɗin haɗin bawul ɗin aminci ya kamata ya zama gwiwar hannu don kauce wa tasirin kai tsaye akan bawul; Bugu da ƙari don tabbatar da cewa bawul ɗin aminci ba ya yin sanyi, don kada ya yi aiki gazawar;
5) shigarwa na bawul ɗin duniya ya kamata ya sanya matsakaicin matsakaicin matsakaicin daidai da kibiya da aka yi alama akan jikin bawul, don haka matsa lamba akan mazugi na bawul lokacin da bawul ɗin ya rufe, kuma tattarawar ba ta ƙarƙashin kaya. Amma ba sau da yawa bude da kuma kusa da bukatar tabbatar da cewa a cikin rufaffiyar jihar ba ya yoyo bawul (kamar dumama bawul), za a iya sani juya baya, tare da taimakon matsakaici matsa lamba don sa shi rufe;
6) manyan ƙayyadaddun ƙayyadaddun ƙayyadaddun bawul ɗin ƙofar, bawul ɗin kula da pneumatic ya kamata a shigar da shi a tsaye, don kada a nuna son kai a gefe ɗaya saboda nauyin spool, ƙara haɓakar injina tsakanin spool da bushing, wanda ke haifar da zubewa;
7) Lokacin daɗaɗɗen matsi na latsawa, bawul ɗin ya kamata ya kasance a cikin ɗan ƙaramin buɗewa, don kada ya lalata shingen shinge na saman bawul;
8) Bayan duk bawuloli sun kasance a wurin, sai a sake buɗe su kuma a sake rufe su, kuma su cancanta idan sun kasance masu sassauci kuma ba su makale ba;
9) Bayan babban hasumiya na rabuwa da iska an sanyaya danda, an riga an ɗora bawul ɗin flange mai haɗawa sau ɗaya a cikin yanayin sanyi don hana yayyo a dakin da zafin jiki da yayyo a ƙananan zafin jiki;
10) An haramta shi sosai don hawan katakon bawul a matsayin abin ƙyama yayin shigarwa
11) The high zafin jiki bawul sama da 200 ℃, saboda shigarwa ne a dakin da zafin jiki, da kuma bayan al'ada amfani, da yawan zafin jiki yakan, da angwaye ne thermal fadada, da rata da aka ƙara, don haka dole ne a tightened sake, da ake kira "zafi m" , mai aiki ya kamata ya kula da wannan aikin, in ba haka ba yana da sauƙi a zubar.
12) Lokacin da yanayi ya yi sanyi kuma an rufe bawul ɗin ruwa na dogon lokaci, ruwan da ke bayan bawul ɗin ya kamata a cire. Bayan bawul ɗin tururi ya dakatar da tururi, ruwan da aka nannade shima yakamata a cire shi. Ƙarshen bawul ɗin yana aiki azaman filogi na waya, wanda za'a iya buɗewa don zubar da ruwa.
13) Bawul ɗin ƙarfe ba, wasu ƙarfi gaggautsa, wasu ƙananan ƙarfi, aiki, buɗewa da ƙarfi ba zai iya zama babba ba, musamman ma ba zai iya yin ƙarfi ba. Hakanan kula don guje wa karon abu.
14) Lokacin da aka yi amfani da sabon bawul, kada a danna marufi sosai don guje wa ɗigon ruwa, don guje wa matsi mai yawa akan kara, haɓaka lalacewa, buɗewa da rufewa.
1.2 Tsarin aiki da wurin aiki
1.2.1 A lokacin ginin, dan kwangilar gine-gine, ma'aikatar tsaro, sashen samar da masana'anta da sashin gine-gine za su yi cikakken daidaitawa don bayyana iyakar alhakin aikin.
1.2.2 Mutumin da ke da alhakin cikakken lokaci zai yi aiki a wurin a cikin yankin alhakin aikin su.
1.2.3 Lokacin cirewa ko shigar da bawul, samar da yau da kullun a cikin takamaiman kewayon da wannan aikin ya shafa ya kamata a canza shi kuma a shirya shi daidai, kuma a yanke matsakaici a cikin bututun.
1.2.4 Za a tabbatar da wurin aiki da ake bukata don aikin a wurin aiki.
1.2.5 ɓangarorin tallafi masu dacewa da nauyin bawul ɗin za a saita su a wurin aiki don hana bawul sag da bututu cibiyar diyya.
1.2.6 Bayan kammala aikin, ya kamata a shirya shirye-shirye don gwajin matsa lamba, gwajin iska, dubawa mara lalacewa da sauran abubuwan dubawa.
1.2.7 Kafin aikin ya ƙare, za a tsabtace cibiyar sadarwa na bututu a ciki, kuma za a tabbatar da cire farantin makafi a kan bututun, kuma bawul ɗin da aka yi aiki a lokacin ginin za a mayar da shi zuwa yanayin budewa da rufewa kafin ginawa. .
1.3 Kariya don shigar da bawul
1.3.1 Kafin shigarwa na bawul, za a tabbatar da cewa bawul ɗin ya sadu da buƙatun ƙira da ƙa'idodi masu dacewa.
1.3.2 Lokacin sarrafawa da shigar da bawuloli, hattara da bumps da scratches
1.3.3 Kafin shigar da bawul ɗin, ya kamata a tsaftace cikin bututun don cire ƙazanta kamar fakitin ƙarfe da kuma hana jikin waje shiga cikin wurin zama na hatimin bawul. Bugu da ƙari, ya kamata a shigar da bawul a cikin yanayin da aka rufe.
1.3.4 Hoisting bawul aiki. ZA'A Ɗaga valv ɗin daidai a wurin da aka keɓe na ɗagawa, kuma ba za a ɗaga ko ja a ƙarƙashin ƙarfin gida ba.
1.3.5 Lokacin shigar da bawul, ya zama dole don tabbatar da ko jagorancin kwararar matsakaici, nau'in shigarwa da matsayi na ƙafar hannu sun hadu da ka'idoji.
1.3.6 Shigar da bawuloli na haɗin flange.
(1) Filayen flange na bawul da bututu ya kamata su kasance marasa lalacewa, karce, da sauransu, kuma a kiyaye su da tsabta. Musamman ma, yin amfani da gaskets na ƙarfe (sashe na oval ko octagonal), ginshiƙan flange da gaskets ya kamata su kasance daidai, don a rufe su da ja mai guba don daidaitawa, don tabbatar da cewa hatimin yana cikin kyakkyawan yanayi.
(2) Matsakaicin ma'auni na flange surface a kan bututu da tsakiyar layin bututu da kuskuren ramin ƙugiya ya kamata ya kasance cikin kewayon ƙimar da aka yarda. Bawul da layin tsakiyar bututu yakamata su kasance daidai kafin shigarwa.
(3) Lokacin da ake haɗa flanges guda biyu, da farko, yakamata a danna fuska mai rufe flange da gasket daidai gwargwado, don tabbatar da cewa an haɗa flange ta hanyar damuwa iri ɗaya.
(4) Lokacin da ake ƙara ƙulle, yi amfani da maƙarƙashiya wanda yayi daidai da goro. Lokacin amfani da matsa lamba mai da kayan aikin pneumatic don ƙarfafawa, kula kada ku wuce ƙayyadaddun juzu'i.
(5) Ɗauren flange ya kamata ya guje wa ƙarfin da bai dace ba, kuma ya kamata a ƙarfafa shi don hanyar daidaitawa da daidaituwa.
(6) Bayan shigar da flange, tabbatar da cewa duk kusoshi da goro suna da ƙarfi kuma iri ɗaya.
(7) Kayan kusoshi da goro dole ne su cika ka'idoji. Bayan fastening, da aron kusa kai ya kamata a fallasa daga goro biyu farar ya dace.
(8) Bolt da screw fastening, don hana girgizar da ke haifar da sassautawa, don amfani da gaskets. Don kauce wa mannewa tsakanin zaren a babban zafin jiki, sassan zaren yakamata a rufe su da wakili na anti-adhesion (molybdenum disulfide) yayin shigarwa.
(9) Don bawuloli sama da digiri 200 na ma'aunin celcius, haɗin haɗin flange, ƙwanƙwasa ɗorawa, kusoshi hatimin matsi da ƙusoshin murfin matsa lamba dole ne a sake ƙarfafawa bayan zafin jiki ya tashi.
(10) An shigar da ƙananan bawul ɗin zafin jiki a cikin yanayin yanayin yanayi. A cikin aikace-aikacen aikace-aikacen, lokacin da matsakaici ya wuce, ya zama yanayin ƙananan zafin jiki. Saboda samuwar bambancin zafin jiki, flanges, gaskets, bolts da goro, da dai sauransu, suna raguwa, kuma saboda kayan aikin waɗannan sassa ba iri ɗaya bane, ƙimar faɗaɗawar layin su ma ya bambanta, yana samar da sauƙaƙan zubar da yanayin muhalli. Daga wannan maƙasudin halin da ake ciki, lokacin da ake ƙara ƙararrawa a yanayin yanayi, ƙarfin da ke yin la'akari da abubuwan da ke tattare da kowane abu a ƙananan zafin jiki dole ne a ɗauka.
1.3.7 Shigar da bawul ɗin haɗin welded
(1) Machining na soket gidajen abinci da butt walda tsagi ya kamata ya zama daidai da kuma bi dacewa matsayi.
(2) Lokacin waldawa, don hana guntuwar ƙarfe da waken welded shiga cikin bututun, yakamata a yi amfani da waldawar iskar gas na tungsten.
(3) Lokacin waldawa, bawul ɗin ya kamata ya kasance cikin yanayin buɗewa kaɗan.
(4) Ya kamata a zaɓi kayan walda daidai daidai da bawul da kayan bututu. Lokacin YIN AMFANI DA RUBUTUN Electrode, duba yanayin ajiyar wutan lantarki kuma tabbatar da ko an ɗauki maganin bushewar da ya dace don rufaffen lantarki.
(5) Ma'aikatan da ke aikin walda lantarki za su cika buƙatun ma'aikatan walda na lantarki.
(6) Lokacin da ake buƙatar magani mai zafi bayan waldawa, ya kamata a bincika rikodin lokaci da yanayin yanayin zafi na maganin zafi.
(7) Sassan walda za a duba na gani ko kuma a duba marasa lalacewa don tabbatar da cewa babu tsagewa, nodules na walda, cizon baki da sauran lahani masu cutarwa.