Ivalve yofakelo 14 enkulu taboo fluorine lining valve imodeli indlela yokulungiselela

Ivalve yofakelo 14 enkulu taboo fluorine lining valve imodeli indlela yokulungiselela Ukufaka iivalvu asingomsebenzi olula. Kukho i-14 taboos, uyazi? Bekuya kwenzeka ntoni ukuba bekunokwaphulwa le mithetho? Uyicombulula njani? No. 1 Uvavanyo lwe-Hydrostatic kwiqondo lokushisa elibi ngexesha lokwakhiwa kwebusika. Ukufakela iivalvu akuwona umsebenzi olula. Kukho i-14 taboos, uyazi? Bekuya kwenzeka ntoni ukuba bekunokwaphulwa le mithetho? Uyicombulula njani? Hayi-hayi 1 Kulwakhiwo lwasebusika, uvavanyo lwe-hydrostatic lwenziwa phantsi kobushushu obungalunganga. Isiphumo: Umbhobho unqanda ngokukhawuleza ngexesha lovavanyo lwe-hydrostatic, ebangela ukuba umbhobho wonakaliswe. Amanyathelo: Zama ukwenza uvavanyo lwe-hydrostatic ngaphambi kwesicelo sasebusika, kwaye uvuthele amanzi acoceke emva kovavanyo loxinzelelo, ngakumbi amanzi kwi-valve kufuneka abe *** kumnatha, ngaphandle koko i-valve iya kuqhwala. Iprojekthi kufuneka iqhutywe kuvavanyo lwe-hydrostatic ebusika, ukugcina ubushushu bangaphakathi bulungile, emva kovavanyo loxinzelelo lokuvuthela amanzi. Xa uvavanyo lwe-hydrostatic lungenakwenziwa, uvavanyo lunokuqhutywa ngomoya ocinezelweyo. Hayi-hayi 2 Phambi kokuba kugqitywe inkqubo yokugungxulwa kwemibhobho akuyongozi, izinga lokuqukuqela kunye nesantya azikwazi ukuhlangabezana neemfuno zokugungxulwa kwemibhobho. Nokuba amandla oxinzelelo lwamanzi avavanya umsele endaweni yokugungxulwa. Iziphumo: Umgangatho wamanzi awuhlangabezani neemfuno zokusebenza kwenkqubo yemibhobho, ehlala ikhokelela kumacandelo acuthiweyo okanye avaliweyo emibhobho. Amanyathelo: sebenzisa inkqubo ukuseta ubuninzi bokuhamba kwejusi okanye umlinganiselo wokuhamba kwamanzi kufuneka ungabi ngaphantsi kwe-3m/s ukuhlanjululwa. Umbala wamanzi kunye nokungafihli kokuphuma kufuneka kuhambelane nombala wamanzi kunye nokungafihlisi kwamanzi okungena njengoko kufanelekile ngokuhlolwa okubonakalayo. No-no 3 Ugutyulo, amanzi emvula, umbhobho wecondensate alwenzi uvavanyo lwamanzi oluvaliweyo luya kufihla. Iziphumo: Inokubangela ukuvuza kwamanzi, kwaye ibangele ilahleko yabasebenzisi. Imilinganiselo: Uvavanyo lwamanzi oluvaliweyo kufuneka luhlolwe kwaye lwamkelwe ngokungqongqo ngokwemigangatho. Ingcwatyelwe phantsi komhlaba, ngaphakathi kwesilingi, phakathi kwemibhobho kunye nolunye ugutyulo olumnyama, amanzi emvula, umbhobho wecondensate ukuqinisekisa ukuba akukho kuvuza. I-Taboo yesi-4 Xa uvavanyo lwamandla oxinzelelo lwamanzi kunye novavanyo lokuqina kwenkqubo yombhobho, jonga utshintsho lwexabiso loxinzelelo kunye nenqanaba lamanzi, kwaye ujonge ukuvuza akwanele. Isiphumo: Ukuvuza kwenzeka emva kokusebenza kwenkqubo yemibhobho, echaphazela ukusetyenziswa okuqhelekileyo. Imilinganiselo: Xa inkqubo yepayipi ivavanywa ngokweemfuno zokuyila kunye neenkcukacha zokwakha, ngaphezu kokurekhoda ixabiso loxinzelelo okanye ukuguqulwa komgangatho wamanzi ngexesha elichaziweyo, kubaluleke kakhulu ukujonga ngokucophelela ukuba kukho ingxaki yokuvuza. No-no 5 Butterfly valve flange eneflange eqhelekileyo yevalvu. Iziphumo: ibhabhathane ivalve flange kunye nobukhulu eqhelekileyo ivelufa flange yahlukile, ezinye ububanzi flange lincinci, kunye disc butterfly valve inkulu, kubangele ayikwazi kuvulwa okanye nzima ukuvula umonakalo ivelufa. Imilinganiselo: ngokobukhulu bebhabhathane ivalve flange iflange processing flange. Akukho-no-6 Akukho mingxuma egciniweyo kunye neengxenye ezifakwe ekwakhiweni kwesakhiwo sokwakha, okanye ubungakanani beemingxuma ezigciniweyo zincinci kwaye iindawo ezidibeneyo aziphawulwanga. Isiphumo: Ulwakhiwo lweprojekthi yogutyulo lwe-WARM, ulwakhiwo lolwakhiwo lwetshisel, nokuba lunqumle ukomelezwa koxinzelelo, luchaphazela ukusebenza kokhuseleko lwesakhiwo. Amanyathelo: Ziqhelanise nemizobo yokwakha yobunjineli bokufudumeza kunye nococeko ngononophelo, kwaye ngenkuthalo usebenzisane nolwakhiwo lwesakhiwo sokwakha ukugcina imingxuma kunye neendawo ezifakelweyo ngokweemfuno zofakelo lwemibhobho kunye nezixhoma zenkxaso, ngokubhekisele ngokuthe ngqo kwiimfuno zoyilo kunye iinkcukacha zokwakha. No-no 7 Xa ukuwelda umbhobho, isiphelo esingalunganga sombhobho emva kokuba isibini singekho kwi-Central Line efanayo, akukho sithuba kwisibini, umbhobho wodonga olungqingqwa awuhlatywa, kunye nobubanzi kunye nokuphakama kwe-weld. musa ukuhlangabezana neemfuno zekhowudi yokwakha. Umphumo: Isiphelo esingalunganga sombhobho alikho kumgca ophakathi kuchaphazela ngokuthe ngqo umgangatho we-welding kunye nomgangatho obonakalayo. Akukho msantsa phakathi kwamacala amabini, umbhobho ongqindilili wodonga awuhlatywanga, ububanzi kunye nokuphakama kwe-weld akuhambelani neemfuno zeemfuno zamandla welding. Imilinganiselo: Emva kokuwelda iperi yombhobho, umbhobho akufuneki uphosise, kufuneka ube kwiCentral Line, umsantsa kufuneka ushiywe kwisibini, umbhobho oshinyeneyo wodonga kufuneka uhlatywe igroove, ukongeza, ububanzi kunye nokuphakama kwe-weld seam. kufuneka idityaniswe ngokweemfuno ezichaziweyo. I-Taboo 8 Umbhobho ungcwatywa ngokuthe ngqo kumhlaba oqingqiweyo kunye nomhlaba okhululekileyo ngaphandle konyango, kwaye isithuba kunye nesikhundla semibhobho yombhobho ayifanelekanga, nokuba kuhlobo lwezitena zekhowudi ezomileyo. Umphumo: Ngenxa yenkxaso engazinzanga, umbhobho wonakaliswe kwinkqubo ye-backfill earth tamping, okubangelwa ukulungiswa kwakhona. Amanyathelo: UMbhobho AWUZOKUGQIBELELWA KUMHLABA OMKHENKILEYO okanye kumhlaba ongacocwanga, UKUKHIWA KWEZIPASI KUYA KUHLANGABEZANA neemfuno zemigaqo yolwakhiwo, KWAYE UMKHUSANE WENKXASO uya kuqina, INGAKUMBI kujongano lwemibhobho, ongayi kuthwala amandla okucheba. Izitena ezizitena kufuneka zakhiwe ngodaka lwesamente ukuqinisekisa ukuthembeka kunye nokuqina. I-No-no-9 Iibholiti zokwandisa ezisetyenziselwa ukukhusela izixhaso zemibhobho ziyizinto ezingaphantsi, i-aperture ye-bolts yokwandisa inkulu kakhulu, okanye iibholiti zokwandisa zifakwe kwiindonga zezitena okanye kwiindonga zokukhanya. Iziphumo: Inkxaso yombhobho ikhululekile, ukuguqulwa kombhobho, okanye ukuwa. Imilinganiselo: Iibholithi zokwandiswa kufuneka zikhethwe njengeemveliso ezifanelekileyo, kwaye kufuneka zithathwe njengesampula ukuze zihlolwe uvavanyo xa kukho imfuneko. I-aperture ye-bolts yokwandisa akufanele ibe mkhulu kunobubanzi bangaphandle beebholithi zokwandisa. Iibholiti zokwandisa kufuneka zisetyenziswe kwisakhiwo sekhonkrithi. Akukho-no-10 I-flange kunye ne-gasket yoxhumo lombhobho ayinamandla ngokwaneleyo, kwaye i-bolt yokudibanisa ifutshane okanye incinci ububanzi. Iipads zerabha zisetyenziselwa imibhobho yokufudumala, iipads ze-asbestos kwimibhobho yamanzi abandayo, kunye neepads eziphindwe kabini okanye ii-bevel pads ezine-flange liners eziphuma kumbhobho. Isiphumo: I-flange joint ayiqinanga, kwaye yonakaliswe, isiganeko sokuvuza. I-flange liner iphumela kumbhobho, eya kwandisa ukuchasana nokuhamba. Imilinganiselo: iiflange kunye neegaskets zokubhobhoza kufuneka zihlangabezane neemfuno zoxinzelelo lokusebenza kuyilo lwemibhobho. I-flange liner yombhobho wokufudumeza kunye nokunikezelwa kwamanzi ashushu kufuneka ibe yirabha ye-asbestos pad; I-flange gasket yonikezelo lwamanzi kunye nombhobho wokuhambisa amanzi kufuneka ibe yi-rubber gasket. I-gasket ye-flange ayiyi kuqhuma kwi-tube, kwaye ijikelezo layo langaphandle kwi-bolt ye-flange ifanelekile. I-bevel pad okanye iigaskets ezininzi aziyi kufakwa phakathi kweflange. Ububanzi bebholiti edibanisa i-flange kufuneka ibe ngaphantsi kwe-2mm kune-aperture ye-flange, kwaye ubude bentonga ye-bolt ephumayo kufuneka ibe yi-1/2 ubukhulu be-nut. Indlela yokufaka iValve ye-Taboo 11 ayichanekanga. Umzekelo, ivalve yeglowubhu okanye ivalve yokukhangela amanzi (umphunga) umsinga wokuhamba uchasene nomqondiso, isiqu sifakwe ezantsi, ufakelo oluthe tyaba lwevalve yokukhangela lufakwe ngokuthe nkqo, ivalve yesango okanye ivalve yebhabhathane ayivulwanga okanye indawo evaliweyo, isiqu sevalve asijonganga kumnyango wokuhlola. Iziphumo: Ukusilela kwevalvu, ukutshintshwa kobunzima bokugcinwa kwevalvu, isikhondo sevalvu ephantsi kudla ngokubangela ukuvuza kwamanzi. Imilinganiselo: Faka ivalve ngokungqongqo ngokwemiyalelo yofakelo lwevalvu, shiya isikhondo sevalve ukwandisa ukuphakama kokuvula, ivalve yebhabhathane iqwalasele ngokupheleleyo indawo yokujikeleza komqheba, zonke iintlobo zesikhondo sevalve azinakuba ngaphantsi kunendawo ethe tye. ndedwa phantsi. Ivalve efihliweyo kungekhona nje ukuseta ukuhlangabezana neemfuno zokuvula ivalve kunye nokuvala umnyango wokuhlola, ngexesha elifanayo i-valve stem kufuneka iqondiswe kumnyango wokuhlola. I-Taboo 12 Iinkcukacha kunye neemodeli zeevalvu ezifakiweyo azihambelani neemfuno zoyilo. Ngokomzekelo, uxinzelelo lwe-valve lungaphantsi koxinzelelo lovavanyo lwenkqubo; Xa ububanzi bombhobho wesebe lamanzi okutya bungaphantsi okanye bulingana ne-50mm, i-valve yesango isetyenziswa; Ukufudumeza kwamanzi ashushu omile, umbhobho othe nkqo usebenzisa ivalve yokumisa; Umbhobho wokufunxa wempompo yomlilo usebenzisa ivalve yebhabhathane. Isiphumo: Ukuchaphazela i-valve eqhelekileyo yokuvula kunye nokuvala kunye nokulungelelanisa ukumelana, uxinzelelo kunye neminye imisebenzi. Nokuba kubangele ukusebenza kwenkqubo, umonakalo wevalve ngenkani ukulungiswa. Imilinganiselo: Uqhelene nokusetyenziswa kweentlobo ezahlukeneyo zeevalvu, ngokweemfuno zoyilo ukukhetha iinkcukacha zevalve kunye neemodeli. Uxinzelelo oluncinci lwevalvu luya kuhlangabezana neemfuno zoxinzelelo lovavanyo lwenkqubo. Ngokweemfuno zekhowudi yokwakha: umbhobho wokuhambisa amanzi ububanzi obungaphantsi okanye obulingana ne-50mm kufuneka kusetyenziswe ivalve yokusika; Iivalvu zesango kufuneka zisetyenziswe xa ububanzi bombhobho bungaphezulu kwe-50mm. Isifudumezi samanzi ashushu somile, ivelufa yokulawula ethe nkqo kufuneka isebenzise ivalve yesango, umbhobho wokufunxa impompo yomlilo akufanele usebenzise ivalve yebhabhathane. I-Taboo 13 Musa ukwenza ukuhlolwa komgangatho oyimfuneko ngokwemigaqo ngaphambi kokufakwa kwevalvu. Iziphumo: Ukutshintshwa kwevalvu yenkqubo yokusebenza kwenkqubo ayiguquguquki, ivale ngokukhululekileyo kunye nokuvuza kwamanzi (umphunga) isenzeko, okukhokelela ekulungisweni kokuphinda kusebenze, kwaye kuchaphazele nonikezelo lwamanzi oluqhelekileyo (umphunga). Ukulinganisa: Ivalve kufuneka ivavanyelwe amandla oxinzelelo kunye nokuqina ngaphambi kokufakwa. Uvavanyo luya kukhetha i-10% yobuninzi bebhetshi nganye (i-brand efanayo, inkcazo efanayo, imodeli efanayo), kwaye ingabi ngaphantsi kwesinye. Kuba ivalve yesiphaluka evaliweyo efakwe kumbhobho oyintloko ukunqumla umsebenzi, kufuneka ibe ngomnye wokuvavanya amandla kunye nokuqina. Amandla e-VALVE kunye noxinzelelo lovavanyo lokuqina luya kuhambelana "neKhowudi yoKwamkeleka koMgangatho woKwakha kwiSibonelelo saManzi soKwakha, i-drainage kunye ne-Heating Engineering" (GB 50242-2002). I-Taboo 14 Kwizixhobo eziphambili, izixhobo kunye neemveliso ezisetyenziselwa ulwakhiwo, kukho ukunqongophala kwamaxwebhu ovavanyo lomgangatho wobugcisa okanye iziqinisekiso zesiqinisekiso semveliso ngokuhambelana nemigangatho yangoku yesizwe okanye yomphathiswa. Iziphumo: umgangatho weprojekthi awufanelekanga, kukho iingozi ezifihliweyo, azikwazi ukuhanjiswa kwishedyuli, kufuneka zilungiswe ngokutsha; Zibangele ukulibaziseka kweprojekthi, ukwanda kwabasebenzi kunye negalelo lezinto eziphathekayo. Imilinganiselo: izixhobo eziphambili, izixhobo kunye neemveliso ezisetyenziselwa unikezelo lwamanzi kunye ne-drainage kunye nobunjineli bokufudumeza kunye nococeko kufuneka luhlangabezane nemigangatho ekhoyo ekhutshwe ngurhulumente okanye i-ofisi yoMphathiswa wovavanyo lomgangatho wobugcisa okanye isatifikethi sokufaneleka kwemveliso; Igama lemveliso, imodeli, inkcazo, ikhowudi yomgangatho wesizwe, umhla wokuhanjiswa, igama kunye nendawo yomenzi, isatifikethi sokuhlolwa okanye ikhowudi yokuhanjiswa iya kuboniswa. Indlela yokuLungisa imodeli yevalve enefluorine enemigca Inkcazo yolungiselelo lwevalvu enefluorine enemigca: Imodeli yevalve yefluorine yahlulwe kwinxalenye yomgca wefluorine "kwiNdlela yokuLungisa iModeli yeValve", kwaye imodeli yevalve yapapashwa nguLawulo lokuMiselwa mva nje. . Icetywe yi-China Machinery Industry Federation, ngokuhambelana ne-GB/T1.1-2009 imithetho yokuyila, indlela yokuhlanganiswa kwevalvu yevalve yiKomiti yeSizwe yoBugcisa boBugcisa (SAC/TC188) ephakathi. Ngokuhambelana nokuhlelwa kwe-JB/T 308-2004. Imodeli yevalve ene-fluorine iqulunqe eyona valve igqwesileyo yefluorine kwimarike ekupheleni kwesiphithiphithi semveliso. Inkqubo yemodeli yevalve ene-fluorine yenziwe ngohlobo, idrayivu, imowudi yoqhagamshelo, imo yesakhiwo, imathiriyeli yelinen, uxinzelelo lwegama, imathiriyeli yomzimba kunye nezinye iiparitha zamanani eendlela ezithile kunye nekhowudi yeeleta ezenziwe ngenombolo yokuthenga, ukuthengisa okufanelekileyo, imveliso, ukuyila kunye nezinye. ukusetyenziswa kwenkcazelo echanekileyo. Le ivelufa ilandelayo ngokweenkcukacha ukuze ukwazise umgaqo wevalve enefluorine yintoni, intsingiselo yekhowudi yemodeli. Umgaqo osebenzayo wevalve ene-fluorine enemigca: Ivalve ene-fluorine, ekwaziwa ngokuba yi-fluorine yeplastiki ene-valve yokumelana nokubola, yintlaka ye-PTFE (okanye iiprofayili ezicutshungulwayo) ngokubumba (okanye inlaid) indlela kudonga lwangaphakathi lwentsimbi okanye iindawo ezinevalve yentsimbi ( indlela efanayo ilungele zonke iintlobo zemikhumbi yoxinzelelo kunye nezixhobo zombhobho) okanye umphezulu ongaphandle wevalve yangaphakathi, Ukusetyenziswa kokumelana kwayo okukodwa kumajelo eendaba ezonakalisayo ezenziwe ngazo zonke iintlobo zeevalvu kunye nemithambo yoxinzelelo. Ivalve ene-fluorine i-valve yomzimba inokufikelela kuyo yonke indawo isebenzisa inkqubo ye-lining, izixhobo ze-lining ngokubanzi ziyi-FEP (F46) kunye ne-PCTFE (F3) kunye nezinye iiplastiki ze-fluorine, zinokufaneleka kwiindidi ezahlukeneyo ze-sulfuric acid, i-hydrochloric acid, i-hydrofluoric acid, i-aqua aqua kunye neentlobo ngeentlobo ze-asidi eziphilayo, ii-asidi ezomeleleyo, ii-oxidants ezomeleleyo kunye neminye imibhobho yeendaba ezonakalisayo, njl.njl. Nangona kunjalo, ivalve ene-fluorine enemigca ilinganiselwe bubushushu (isebenza kuphela kwindawo ephakathi -50℃ kunye ne-150℃) . Iivalvu ezinokuthi zenziwe ngeplastiki yefluorine zezi: ivelufa yebhabhathane ene-fluorine lined, ivalve yebhola ene-fluorine lined, ivalve yeglowubhu ene-fluorine lined, ivalve ene-fluorine lined diaphragm, ivelufa ene-fluorine yesango, ivalve eneplagi ene-fluorine, njl.