Iipayipi zeekhemikhali kunye neevalvu ziyinxalenye ebalulekileyo yokuveliswa kweekhemikhali kwaye zidibanisa iintlobo ngeentlobo zezixhobo zeekhemikhali. Zisebenza njani iivalvu ezi-5 eziqhelekileyo kwiipayipi zeekhemikhali? Injongo ephambili? Zithini iivalvu zeekhemikhali kunye nee-fittings? (iintlobo ezili-11 zeepayipi + iintlobo ezi-4 zee-fittings + iivalvu ezili-11) iipayipi zeekhemikhali ezi zinto, ukuqonda ngokupheleleyo!
Iivalvu zemibhobho kunye nezixhobo zokufakelwa kushishino lweekhemikhali
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Iindidi ezili-11 zeemibhobho zeekhemikhali
Iintlobo zeemibhobho zeekhemikhali ngokwezinto ezisetyenziswayo: imibhobho yesinyithi kunye nemibhobho engeyoyesinyithi
MokqhubekayoPipe
Umbhobho wesinyithi ophosiweyo, umbhobho wesinyithi othungiweyo, umbhobho wesinyithi ongenamthungo, umbhobho wobhedu, umbhobho we-aluminium, umbhobho welothe.
①Umbhobho wesinyithi ophosiweyo:
Umbhobho wesinyithi ophoswe ngomnye wemibhobho esetyenziswa kakhulu kwimibhobho yamakhemikhali.
Ngenxa yokuba iqhagamshelo aluqinanga kwaye ayisebenzi kakuhle, ifanele kuphela ukuhambisa izixhobo ezinoxinzelelo oluphantsi, kwaye ayifanelekanga ukuhambisa umphunga oshushu kakhulu noxinzelelo oluphezulu kunye nezinto ezinobungozi neziqhumayo. Isetyenziswa rhoqo kwimibhobho yamanzi angaphantsi komhlaba, imibhobho yegesi kunye nemibhobho yamanzi amdaka. Iinkcukacha zemibhobho yesinyithi eyenziwe ngentsimbi ukuya kububanzi obuphakathi be-Ф × ubukhulu bodonga (mm).
② Umbhobho wentsimbi othungiweyo:
Umbhobho wentsimbi othungiweyo ngokwendlela osebenzisa ngayo iindawo zoxinzelelo lombhobho oqhelekileyo wamanzi kunye negesi (uxinzelelo 0.1 ~ 1.0MPa) kunye nombhobho otyebileyo (uxinzelelo 1.0 ~ 0.5MPa).
Zisetyenziswa ngokubanzi ukuthutha amanzi, igesi, umphunga ofudumezayo, umoya ocinezelweyo, ioyile kunye nezinye izinto ezixinzelelweyo. I-Galvanised ibizwa ngokuba yipayipi yentsimbi emhlophe okanye ipayipi ye-galvanised. Ezo zingagalelwanga kuthiwa ziipayipi zentsimbi emnyama. Iinkcukacha zayo zichazwa ngobubanzi obuqhelekileyo. Ububanzi obuncinci obuqhelekileyo buyi-6mm, ububanzi obuphezulu obuqhelekileyo buyi-150mm.
③ Umbhobho wentsimbi ongenamthungo:
Umbhobho wentsimbi engenamthungo unenzuzo yomgangatho ofanayo kunye namandla aphezulu.
Izinto zayo zinentsimbi yekhabhoni, intsimbi ekumgangatho ophezulu, intsimbi engenanto ephantsi, intsimbi engatyiwayo, intsimbi engatshiyo. Ngenxa yeendlela ezahlukeneyo zokwenza, yahlulwe yaba ziintlobo ezimbini zepayipi yentsimbi engenamthungo eqengqelekayo eshushu kunye nepayipi yentsimbi engenamthungo etsalwe ebandayo. Ububanzi bepayipi yobunjineli bepayipi bungaphezulu kwe-57mm, ipayipi esetyenziswa rhoqo eshushu eqengqelekayo, i-57mm ngaphantsi kwepayipi esetyenziswa rhoqo ebandayo etsalwa.
Umbhobho wentsimbi engenamthungo usetyenziswa rhoqo ukuthutha iintlobo ngeentlobo zeegesi ezixinzelelweyo, umphunga kunye nolwelo, kwaye unokumelana namaqondo obushushu aphezulu (malunga ne-435 ℃). Umbhobho wentsimbi ye-alloy usetyenziselwa ukuthutha imidiya ekonakalisayo, apho umbhobho we-alloy ongenabushushu unokumelana namaqondo obushushu ukuya kuthi ga kwi-900-950 ℃. Iinkcukacha zombhobho wentsimbi engenamthungo ukuya kububanzi bangaphakathi be-Ф × ubukhulu bodonga (mm).
Ububanzi obuphezulu bangaphandle bombhobho otsalwa kubanda yi-200mm, kwaye ububanzi obuphezulu bangaphandle bombhobho oqengqelekayo oshushu yi-630mm. Umbhobho wentsimbi engenamthungo wahlulwe waba ngumbhobho ongenamthungo oqhelekileyo kunye nombhobho okhethekileyo ongenamthungo ngokwendlela osetyenziswa ngayo, njengombhobho ongenamthungo wokuqhekeka kwepetroliyam, umbhobho ongenamthungo webhoyila, umbhobho ongenamthungo wesichumiso njalo njalo.
④Ityhubhu yobhedu:
Ityhubhu yekopolo inefuthe elihle lokudlulisa ubushushu.
Isetyenziswa kakhulu kwizixhobo zokutshintsha ubushushu kunye nemibhobho yezixhobo zokupholisa nzulu, ityhubhu yokulinganisa uxinzelelo lwezixhobo okanye ukudluliselwa kolwelo oluxinzelelweyo, kodwa ubushushu buphezulu kune-250 ℃, akufuneki busetyenziswe phantsi koxinzelelo. Ngenxa yokuba zibiza kakhulu, zihlala zisetyenziswa kwiindawo ezibalulekileyo.
⑤ Ityhubhu yealuminiyam:
I-aluminium inokumelana kakuhle nokugqwala.
Iityhubhu ze-aluminiyam zihlala zisetyenziselwa ukuthutha i-sulfuric acid exineneyo, i-acetic acid, i-hydrogen sulfide kunye ne-carbon dioxide kunye nezinye izinto ezisetyenziswayo, kwaye zihlala zisetyenziswa kwiindawo zokutshintsha ubushushu. Iityhubhu ze-aluminiyam azikwazi ukumelana ne-alkali kwaye azinakusetyenziselwa ukuthutha izisombululo ze-alkaline kunye nezisombululo ezine-chloride ions.
Ngenxa yamandla oomatshini etyhubhu ye-aluminiyam kunye nokunyuka kobushushu kunye nokwehla okukhulu kokusetyenziswa kweetyhubhu ze-aluminiyam, ngoko ke ukusetyenziswa kweetyhubhu ze-aluminiyam akunakudlula kwi-200 ℃, kumbhobho woxinzelelo, ukusetyenziswa kobushushu kuya kuba phantsi nangakumbi. I-aluminiyam ineempawu ezingcono zoomatshini kumaqondo obushushu aphantsi, ngoko ke iityhubhu ze-aluminiyam kunye ne-aluminiyam alloy zisetyenziswa kakhulu kwizixhobo zokwahlula umoya.
(6) Umbhobho welothe:
Umbhobho we-lead usetyenziswa kakhulu njengombhobho wokuhambisa i-acidic media, ungathuthwa ukusuka kwi-0.5% ukuya kwi-15% ye-sulfuric acid, i-carbon dioxide, i-60% ye-hydrofluoric acid kunye ne-acetic acid concentration engaphantsi kwe-80% ye-medium, akufuneki uthuthwe uye kwi-nitric acid, i-hypochlorous acid kunye nezinye i-media. Ubushushu obuphezulu bokusebenza kombhobho we-lead yi-200℃.
Iityhubhu ezingezizo ezesinyithi
Umbhobho weplastiki, umbhobho weplastiki, umbhobho weglasi, umbhobho weseramikhi, umbhobho wesamente.
①Ipayipi yeplastiki:
Iingenelo zepayipi yeplastiki kukumelana nokugqwala okuhle, ubunzima obulula, ukubumba okulula, kunye nokucutshungulwa okulula.
Izinto ezingalunganga ngamandla aphantsi kunye nokumelana nobushushu okungekuhle.
Okwangoku imibhobho yeplastiki esetyenziswa kakhulu yipayipi eqinileyo ye-polyvinyl chloride, ipayipi ethambileyo ye-polyvinyl chloride, ipayipi ye-polyethylene, ipayipi ye-polypropylene, kunye ne-polyethylene yokutshiza umphezulu wepayipi yesinyithi, i-polytrifluoroethylene njalo njalo.
② ipayipi yerabha:
Ipayipi yerabha inokumelana nokugqwala okuhle, ubunzima obuphantsi, iplastiki elungileyo, iyafakelwa, iyaqhaqhwa, iyaguquguquka kwaye ilula ukuyisebenzisa.
Ipayipi yerabha esetyenziswa rhoqo yenziwe ngerabha yendalo okanye irabha yokwenziwa, efanelekileyo kwiimeko apho kukho iimfuno zoxinzelelo oluphantsi.
③ Ityhubhu yeglasi:
Ityhubhu yeglasi ineenzuzo zokungagqwali, ukucaca, kulula ukuyicoca, ukumelana okuphantsi, ixabiso eliphantsi, njl.njl., ingxaki kukuba iyaphuka, ayicinezeli.
Isetyenziswa kakhulu kwiindawo zovavanyo okanye kwindawo yokusebenza yovavanyo.
④ ityhubhu yeseramikhi:
Iiceramics zeekhemikhali kunye neglasi ziyafana, ziyakwazi ukumelana nokugqwala, ukongeza kwi-hydrofluoric acid, i-fluorosilicic acid kunye ne-alkali eqinileyo, zinokumelana noxinzelelo olwahlukeneyo lwee-asidi ezingaphiliyo, ii-asidi ze-organic kunye nezinyibilikisi ze-organic.
Ngenxa yokuba ayinamandla, ibuthathaka, isetyenziswa kakhulu ukususa imibhobho yamanzi amdaka kunye nemibhobho yokungenisa umoya erhabaxa.
⑤ Umbhobho wesamente:
Isetyenziswa ikakhulu kwiimfuno zoxinzelelo, kodwa itywina ayifanelekanga, njengemibhobho yokuhambisa amanzi amdaka engaphantsi komhlaba, njl.
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Iintlobo ezi-4 zeZixhobo
Ukongeza kumbhobho okwipayipi, ukuze kuhlangatyezwane neemfuno zenkqubo yokuvelisa nokufakela nokugcina izinto zisemgangathweni, kukho nezinye izinto ezininzi ezikwipayipi, ezifana neetyhubhu ezimfutshane, iingqiniba, ii-tee, ii-reducers, ii-flanges, ii-blinds njalo njalo.
Sidla ngokubiza ezi zinto xa kuziwa kwizixhobo zombhobho ngokuba zizixhobo zokufakelwa. Izixhobo zokufakelwa kombhobho ziyinxalenye ebalulekileyo yombhobho. Nantsi intshayelelo emfutshane kwiizixhobo ezininzi ezisetyenziswa rhoqo.
① Ingqiniba
Ingqiniba isetyenziswa kakhulu ukutshintsha indlela yombhobho, ngokwezinga lokugoba kwengqiniba leentlobo ngeentlobo ezahlukeneyo, ingqiniba eqhelekileyo eyi-90 °, 45 °, 180 °, 360 °. Ingqiniba eyi-180 °, 360 °, eyaziwa ngokuba yi-"U" emile okwe-bend.
Kukwakho nemfuneko yenkqubo yokuhambisa imibhobho engile ethile yengqiniba. Iingqiniba zingasetyenziswa ukugoba umbhobho othe tye okanye ukuwelda umbhobho kwaye zifumaneke, zingasetyenziswa emva kokubumba nokuwelda, okanye ukuphosa nokubumba kunye nezinye iindlela, ezifana nombhobho ophantsi koxinzelelo oluphezulu, ingqiniba ikakhulu i-carbon steel okanye i-alloy steel forging kwaye ibe yiyo.
②I-Tree
Xa imibhobho emibini iqhagamshelwe omnye komnye okanye kufuneka ibe ne-bypass shunt, i-fitting ejoyintini ibizwa ngokuba yi-tee.
Ngokwee-engile ezahlukeneyo zokufikelela kumbhobho, kukho ukufikelela ngokuthe nkqo kwi-tee yoqhagamshelwano oluhle, i-tee yoqhagamshelwano olujikelezayo. I-tee ethe tyaba ngokwe-engile yokuthamba ukuze kumiselwe igama, njenge-tee ethe tyaba engama-45 ° njalo njalo.
Ukongeza, ngokobukhulu be-caliber ye-inlet kunye ne-outlet ngokulandelelana, njenge-tee enobubanzi obulinganayo. Ukongeza kwi-tee fittings eziqhelekileyo, kodwa rhoqo kunye nenani le-interfaces ezibizwa ngokuba, umzekelo, ezine, ezintlanu, i-diagonal connection tee. I-tee fittings eziqhelekileyo, ukongeza kwi-pipe welding, kukho i-molded group welding, i-casting kunye ne-forging.
③Ingono kunye nesinciphisi
Xa indibano yemibhobho inqongophele kwicandelo elincinci, okanye ngenxa yeemfuno zokugcinwa kwipayipi, kusetyenziswa icandelo elincinci lombhobho osuswayo, kusetyenziswa iNipple rhoqo.
Ukuthathwa kweengono ngee-connectors (ezifana ne-flange, i-screw, njl.njl.), okanye ibingumatshini omfutshane, okwaziwa ngokuba yi-pipe gasket.
Kuya kuba nobubanzi obubini bombhobho obungalinganiyo bomlomo obuqhagamshelwe kwizixhobo zombhobho ezibizwa ngokuba yi-reducer. Zidla ngokubizwa ngokuba yi-size head. Ezi zixhobo zine-casting reducer, kodwa zikwanokusika umbhobho kwaye zifakwe okanye zifakwe ipleyiti yentsimbi eqengqelekayo. Izinciphisi kwiipayipi ezinoxinzelelo oluphezulu zenziwe ngee-forgings okanye zincitshiswe kwiityhubhu zentsimbi ezingenamthungo ezinoxinzelelo oluphezulu.
④Iiflanges kunye neeblinds
Ukuze kube lula ukufaka nokugcina, umbhobho udla ngokusetyenziswa kuqhagamshelo olususwayo, i-flange yinxalenye yoqhagamshelo esetyenziswa rhoqo.
Ukuze kucocwe kwaye kuhlolwe kufuneka kufakwe ipleyiti yesandla okanye i-blind hole emngxunyeni wepayipi ekupheleni kombhobho. Ipleyiti ye-blind ingasetyenziselwa ukuvala okwethutyana umbhobho we-interface okanye icandelo lombhobho ukuphazamisa unxibelelwano nenkqubo.
Ngokubanzi, umbhobho ophantsi koxinzelelo, imilo yeflangi eyimfama kunye neflangi eqinileyo iyafana, ngoko ke le blind ikwabizwa ngokuba yiflangi, le blind eneflangi efanayo imiselwe umgangatho, ubukhulu obuthile bunokufumaneka kwiincwadana ezifanelekileyo.
Ukongeza, kwizixhobo zeekhemikhali kunye nokugcinwa kwemibhobho, ukuqinisekisa ukhuseleko, oluhlala lwenziwa ngepleyiti yentsimbi efakwe phakathi kweeflange ezimbini zeediski eziqinileyo, ezisetyenziselwa ukwahlula okwethutyana izixhobo okanye umbhobho kunye nenkqubo yemveliso. Le blind ibizwa ngokuba yi-insertion blind. Faka ubungakanani be-blind bunokufakwa kumphezulu wokutywina we-flange onobubanzi obufanayo.
Ixesha lokuthumela: Disemba-01-2023