Yintoni i-Heat Exchangers?

Igama elithi "umtshintshi wobushushu" lisetyenziselwa ukuchaza isixhobo esenza kube lula ukuhanjiswa kobushushu ukusuka kwelinye ulwelo ukuya kwelinye ngaphandle kokuxuba zombini. Iquka iindlela ezimbini ezahlukeneyo okanye iindlela, enye yeyolwelo olushushu kwaye enye yeyolwelo olubandayo, oluhlala lwahlukileyo ngelixa lutshintshisa ubushushu. Owona msebenzi uphambili womtshintshisi wobushushu kukuphucula ukusebenza kakuhle kwamandla ngokusebenzisa ubushushu obusetyenzisiweyo, ukulondoloza izibonelelo, kunye nokunciphisa iindleko zokusebenza.

Iindidi eziqhelekileyo zoTshintsho loBushushu
Iqokobhe kunye nezitshintshi zobushushu ityhubhu:Ezi zezona ntlobo zixhaphakileyo zokutshintsha ubushushu ezisetyenziswa kwiinkqubo zeHVAC zorhwebo. Ziquka uluhlu lweetyhubhu ezifakwe kwiqokobhe. Ulwelo olushushu luhamba ngeetyhubhu ngelixa ulwelo olubandayo lujikeleza iibhubhu ngaphakathi kweqokobhe, luvumela ukutshintshiselana kobushushu.

Izitshintshi zobushushu kwipleyiti:I-Plate heat exchangers isebenzisa i-stack of metal plates kunye neendawo eziphakanyisiweyo kunye neendawo ezicinezelekileyo. Amanzi ashushu kwaye abandayo ahamba ngeendlela ezihlukeneyo ezidalwe yizikhewu phakathi kwamacwecwe, ukwandisa ukuhanjiswa kobushushu ngenxa yendawo enkulu.

Izitshintshi zobushushu bomoya ukuya emoyeni:Ekwaziwa njengeeyunithi zokubuyisela ubushushu, ezi zitshintshi zifudumeza ubushushu phakathi kwesicatshulwa kunye nokubonelela ngemisinga yomoya. Basusa ukushisa kumoya odala kwaye bawudlulisele emoyeni omtsha, ukunciphisa ukusetyenziswa kwamandla ngokubeka kwangaphambili umoya ongenayo.

Yintoni uSetyenziso lweShishini lweShell kunye neTube Heat Exchanger?
Ukusetyenziswa kweshishini le-shell kunye ne-tube heat exchangers, esetyenziswa kwikhemikhali, ukutya, i-oyile kunye negesi kunye nezinye iindawo, zixhaphakile. Ngokuqhelekileyo baqeshwe kwimizi-mveliso eyahlukeneyo yokuhambisa ubushushu phakathi kweencindi ezimbini ngaphandle koqhagamshelwano oluthe ngqo. Ezinye zemizi-mveliso ephambili yeqokobhe kunye ne-tube yokutshintshiselana kobushushu izicelo ziquka:

Iinkqubo zokufudumeza kunye nokupholisa kwizityalo zekhemikhali
Ukujiya kunye nokwenza umphunga kwimizi yokucoca
Iinkqubo zokubuyisela ubushushu kwiindawo zokuvelisa amandla
Iinkqubo zeHVAC kwizakhiwo zorhwebo kunye neendawo zokuhlala
Iinkqubo zokukhenkceza kwimizi-mveliso yokutya
Ulawulo lwe-Thermal kwiindawo zokuvelisa ioli kunye negesi
Ngokubanzi, iqokobhe kunye nezitshintshi zobushushu ityhubhu zidlala indima ebalulekileyo ekwandiseni ukusebenza kakuhle kwe-thermal kunye nokugcina ulawulo lobushushu kuluhlu olubanzi lweenkqubo zamashishini.

Zingaphi Iindidi zeShell kunye neTube yokuTshintsha ubushushu?
Ngokusisiseko, zintathu iindidi eziphambili zeqokobhe kunye nezitshintshisi zobushushu ityhubhu ezisetyenziswa rhoqo:

1. I-Fixed Tube Sheet Exchanger (L, M, kunye ne-N Type Header yangasemva)
Kulo yilo, iphepha lombhobho lidityaniswe kwigobolondo, okubangela ukwakhiwa okulula kunye noqoqosho. Ngelixa i-tube bores inokucocwa ngoomatshini okanye ngokwekhemikhali, indawo yangaphandle yeetyhubhu ayifumaneki ngokubanzi ngaphandle kokucoca imichiza. Ukwandiswa kwemvulo kunokuba yimfuneko ukulungiselela umahluko omkhulu wobushushu phakathi kweqokobhe kunye nezixhobo zetyhubhu, kodwa zinokuba ngumthombo wobuthathaka kunye nokusilela.

2. Abatshintshi be-U-Tube
Kwi-U-Tube exchanger, iintlobo zeheader zangaphambili zinokwahluka, kwaye i-header yangasemva ngokuqhelekileyo i-M-Type. I-U-tubes ivumela ukwandiswa kwe-thermal okungenamkhawulo, kwaye i-tube bundle inokususwa ukuze ihlambuluke. Nangona kunjalo, ukucocwa kwangaphakathi kweetyhubhu ngeendlela zoomatshini kunzima, ukwenza olu hlobo lufanelekile kuphela kwizicelo apho i-tube side fluids ihlambulukile.

3. Umtshintshi wentloko edadayo (P, S, T, kunye ne-W Type Header yangasemva)
Kulo hlobo lotshintshiselwano, i-tubesheet ekupheleni kwentloko yangasemva ayidityaniswanga kwigobolondo kodwa ivunyelwe ukuba ihambe okanye idada. I-tubesheet ekupheleni kwentloko yangaphambili inobubanzi obukhulu kuneqokobhe kwaye itywinwe ngokufana noyilo lwe-tubesheet esisigxina.

Ukwandiswa kwe-thermal kunokulungiswa, kwaye i-tube bundle inokususwa ukuze ihlambuluke. I-S-Type Rear Head lolona khetho ludumileyo lwentloko yangasemva. Izitshintshi zentloko ezidadayo zifanelekile kubushushu obuphezulu kunye noxinzelelo kodwa ngokuqhelekileyo zibiza kakhulu xa kuthelekiswa nokutshintshiselana kwe-tubesheet esisigxina.

Njengomthengisi wombhobho oqeqeshiweyo, i-Hnssd.com inokubonelela ngokuTshintshiselana kobushushu obuLungisiweyo. Ukuba ufuna ulwazi oluthe vetshe malunga neemveliso zethu, siyakucela ngobubele ukuba uqhagamshelane nathi:sales@hnssd.com

Amalungu eqokobhe kunye netyhubhu yomtshintshisi wobushushu anokwahlulwa abe ngamacandelo alandelayo:

1. Iqokobhe
Iqokobhe yindawo engaphandle yesitshintshi sobushushu ebambe inyanda yetyhubhu. Ngokuqhelekileyo isikhongozeli se-cylindrical esakhiwe ngentsimbi okanye ezinye izinto ezifanelekileyo

2. Imibhobho okanye iTube Bundle
Ingqokelela yeetyhubhu ezinxuseneyo ezihamba ngobude beqokobhe lenza inqwaba yetyhubhu. Ngokuxhomekeke kusetyenziso oluthile, iibhubhu zinokuqulunqwa ngezinto ezahlukeneyo, njengensimbi engenasici, ubhedu, okanye i-titanium. Ubukhulu kunye nobukhulu beetyhubhu nazo zibalulekile iiparitha zoyilo.

3. Amaxwebhu eMibhobho
Amashiti etyhubhu ngamashiti aqinileyo asebenza njengesithintelo phakathi kwetyhubhu kunye neqokobhe. Ziqhele ukwakhiwa kusetyenziswa intsimbi kwaye zidityaniswe kwiqokobhe ukuqinisekisa ukuvalwa okuqinileyo nokungavuziyo. Iityhubhu zifakwe kwimingxuma kumaphepha etyhubhu kwaye mhlawumbi zandiswe okanye zifakwe kwi-welded kwindawo.

4. Iingxaki
I-Baffles ziipleyiti okanye iintonga ezibekwe ngaphakathi kwiqokobhe ukulawula ukuhamba kolwelo olujikeleze umbhobho. Ezi zinokuba zilongitudinal okanye zinqamleze kumkhombandlela kwaye zijolise ekuphuculeni ukusebenza kokudluliselwa kobushushu.

5. Imilomo yokuPhumela nokuPhuma
I-inlet kunye ne-outlet nozzles isebenza njengeendawo zokungena kunye nokuphuma kwamanzi kwi-heat exchanger. Olu nxibelelwano luhlala lubekwe kwiindawo ezichaseneyo zegobolondo kwaye zifakwe kwiibhubhu kunye negobolondo usebenzisa iiflange okanye ezinye iintlobo zokufakelwa.

6. Ukwandiswa kwamaJoyinti
Ukwandiswa kwamalungu ziziqhagamshelo eziguquguqukayo ezivumela ukwanda kwe-thermal kunye nokucutheka kwe-tube bundle. Ngokuqhelekileyo zifumaneka kwindawo yokungena kunye nokuphuma kotshintshiselwano lobushushu, la malungu akhiwa ngokusebenzisa intsimbi yentsimbi okanye ezinye izinto eziguquguqukayo.

7. Ulwakhiwo lwenkxaso
Izakhiwo zenkxaso zibamba abatshintshi bokushisa kwindawo, ziqinisekisa isiseko esizinzile. Izakhiwo zenkxaso zinokuba zesikhashana okanye zisisigxina kwaye zingenziwa ngentsimbi okanye ezinye izinto.

Igobolondo kunye nesigama sejiyometri ityhubhu

Uyilo lwedayimitha yetyhubhu kunye nenowuthi
Iityhubhu zinokuhluka ngobubanzi ukusuka kwi-12.7 mm (0.5 in) ukuya kwi-50.8 mm (2 in), kodwa i-19.05 mm (0.75 in) kunye ne-25.4 mm (1 in) zezona sayizi ziqhelekileyo. Iibhubhu zibekwe kwiipatheni ze-triangular okanye isikwere kwii-tube sheets.

Izakhiwo zesikwere zifunekayo apho kuyimfuneko ukuba ufike kumbhobho wokucoca ngomatshini. Ilungiselelo le-triangular livumela iibhubhu ezininzi kwindawo enikiweyo. I-tube pitch ngowona mgama umfutshane kumbindi ukuya kumbindi phakathi kweetyhubhu. Isithuba setyhubhu sinikezelwa yi-tube pitch / ityhubhu ububanzi be-diameter ratio, ngokuqhelekileyo i-1.25 okanye i-1.33. Ekubeni i-square layout isetyenziselwa iinjongo zokucoca, i-gap encinci ye-6.35 mm (0.25 in) ivumelekile phakathi kweetyhubhu.

Iintlobo zeBaffle
I-Baffles ifakwe kwicala leqokobhe ukunika isantya esiphezulu sokudluliselwa kobushushu ngenxa yokwanda kwesiphithiphithi kunye nokuxhasa iityhubhu ngaloo ndlela kuncitshiswe ithuba lomonakalo ngenxa yokungcangcazela. Kukho inani leentlobo ezahlukeneyo ze-baffle, ezixhasa iityhubhu kunye nokukhuthaza ukuhamba kwiityhubhu.

ISingle Segmental (le yeyona ixhaphakileyo),

I-Segmental ephindwe kabini (oku kusetyenziselwa ukufumana i-shellside yesantya esisezantsi kunye nokuhla koxinzelelo),

Idiskhi kunye neDoughnut.

Umgama osembindini ukuya embindini phakathi kwee-baffles ubizwa ngokuba yi-baffle-pitch kwaye oku kunokulungiswa ukwahlula isantya sokunqumla. Ngokwesiqhelo i-baffle pitch ayidli ngokuba mkhulu kunomgama olingana nedayamitha yangaphakathi yeqokobhe okanye isondele kunomgama olingana nesinye kwisihlanu sobubanzi okanye 50.8 mm (2 ngo) nokuba yeyiphi na enkulu. Ukwenzela ukuvumela ulwelo ukuba luhambe lubuyela umva naphambili ngapha kwetyhubhu inxalenye yebhaffle iyasikwa. Umphakamo wale ndawo ubizwa ngokuba yi-baffle-cut kwaye ulinganiswa njengepesenti yedayamitha yeqokobhe, umz., 25 per cent baffle-cut. Ubungakanani be-baffle-cut (okanye i-baffle window) kufuneka ithathelwe ingqalelo kunye ne-baffle pitch. Kuyinto eqhelekileyo ukulinganisa i-baffle-cut kunye ne-baffle pitch ukulinganisa isantya ngefestile kunye nokuwela, ngokulandelelanayo.

Uyilo lomatshini lweqokobhe kunye netyhubhu yokutshintshiselana kobushushu inika ulwazi kwizinto ezifana nobukhulu beqokobhe, ubukhulu beflange, njl. Ezi zibalwe kusetyenziswa ikhowudi yoyilo lomkhumbi woxinzelelo njengekhowudi yeBoiler kunye noxinzelelo lweVessel evela kwi-ASME (i-American Society of Mechanical Engineers) kunye neBritish Master Pressure Vessel Standard, BS 5500. I-ASME yeyona khowudi isetyenziswa ngokuqhelekileyo kubatshintshi bobushushu kwaye ikumacandelo ali-11. Icandelo le-VIII (Iinqanawa zoxinzelelo ezifihliweyo) zekhowudi zisebenza kakhulu kutshintshiselwano lokushisa kodwa iCandelo II-Izinto eziphathekayo kunye neCandelo V-Uvavanyo olungabhubhisiyo nalo lufanelekile.

Zombini i-ASME kunye ne-BS5500 zisetyenziswa kakhulu kwaye zamkelwe kwihlabathi liphela kodwa amanye amazwe anyanzelisa ukuba kusetyenziswe iikhowudi zawo zelizwe. Ukuze uzame ukwenza oku kube lula uMbutho weMigangatho yeHlabathi ngoku uzama ukuphuhlisa ikhowudi entsha eyaziwayo kumazwe ngamazwe kodwa kusenokwenzeka ukuba kuthathe ixesha ngaphambi kokuba oku kwamkelwe.