Umbhobho we-PVC, izinto ezisetyenzisiweyo zeplastiki ezisetyenzisiweyo zeplastiki zeplastiki kunye nobunjineli, ziye zaba lukhetho olukhethwayo kumasimi ahlukeneyo, kubandakanya ukuhanjiswa kwamanzi kunye nokhuseleko lwezolimo, kunye nexabiso eliphantsi lezolimo. Emva kweminyaka yokujongwa okusebenzayo kunye noPhando lwezoBugcisa, umbhali usungululwe amava amaninzi aphambili malunga nokukhetha umbhobho we-PVC, ufakelo, kunye nokugcinwa kwenkqubo.
I. Iipropathi zezinto ezibonakalayo kunye neendawo zokukhetha
I-PVC Pipe, ifutshane kwi-Polyviny ye-pilorinyl chloride, inokwahlulwa ibe yi-pvc pvc (i-UPVC) kunye ne-PVC eguquguqukayo esekwe kumxholo weplastiki. I-UPVC isetyenziswa ngokuyintloko kwizinto zobunjineli ngenxa yeempawu zayo ezibonakalayo zabantu abaziinzuzo ezinkulu okanye zilingana ne-45 MPA kunye nexesha elide {{2} Ngexesha lenkqubo yokhetho, gxila kule parameters ilandelayo: Iidayagrafi ze-Pile Deameter kufuneka zihambelane ne-GB / T 10002, kunye ne-Wall's Premick Premiction ngaphakathi kwi-10%. Imibhobho yoxinzelelo, i-Hoop studing kufuneka iqinisekiswe (i-sn4 / i-sn8 / sn16 ihambelana neemfuno ezahlukeneyo zokungcwatywa). Imibhobho yococeko kufuneka inike imvume yokucoceka kwamanzi, kwaye umxholo okhokelayo awufanele uphume kwi-0.001 mg / l.
Kufanelekile ukuba uqaphele ukuba unxibelelwano luhambelana ne-PVC ye-PVC eveliswa ngabavelisi abahlukeneyo bayahluka. Kwiprojekthi enye kamasipala, ukuxuba uphawu lweglue kunye ne-brand b sesket zikhokelela ekuphumeni kwe-23% yokuvuza. Oku kusonjululwe ngokusebenzisa izinto ezihambelana nezinto ezifanayo kuhlobo olunye. Kucetyiswa ukuba abathengisi babonelela ngamaxwebhu apheleleyo exeshana apheleleyo kwaye baqhube uphononongo lwesampulu xa kuthengwa ubuninzi.
II. Ulwakhiwo oluphambili kunye nokufaka
Imibhobho kufuneka inqunyulwe isebenzisa i-PVC enikezelweyo okanye i-angle ye-angle. I-cutes kufuneka ithobe kwaye i-Burr - simahla. I-angle ongle ngaphezulu kwe-2 isidanga sinokubangela uxinzelelo uxinzelelo kwiNtlawulo. I-HOT - inkqubo yonxibelelwano ifuna ulawulo olungqongqo lobushushu (200 - imizuzwana emi-5 yombhobho we-φ50 yombhobho). Ukufudumeza kakhulu kunokubangela ukubopha kwezinto kwaye kuvelise irhasi ye-hydrogen ye-hlorigen. Uqhagamshelo lweSoheke-kunye neSpigot, uphawu lobunzulu lwamanqaku olunzulu kufuneka lugungxe ngobuso obuphezulu sesokisi. Ngokwakhiwa kwangokwenyani, malunga ne-15% yeziganeko zokuvuza kubangelwa kukufakelwa ngokwaneleyo.
Ngofakelo lokufakelwa phantsi komhlaba, imigaqo ifuna ukuba ubungakanani be-backficle ye-ovellicle ifanele idlule kwi-1/3 yombhobho wobubanzi, kwaye ukuba i-150m ye-150mm i-150mm i-150mm i-150mm iqulethekile akufuneki ibenezinto ezaphukileyo. Kwiprojekthi yeNethiwekhi yeMvula yaManzi eManye yeMvula, ukungasebenzi kakuhle kwengqondo kukhokelela kwireyithi yokuhlawula engalinganiyo ngaphezulu kwe-3%. Emva kwexesha, ikhonkrithi yongezwa ngenxa yokuqiniswa. Imibhobho ye-pupe evulekileyo, isithuba kufuneka sibe ngaphantsi okanye silingane ne-1.2m ngokuthe tye kwaye singaphantsi okanye silingane ne-1.5m nkqongqele nkqo kwi-DN25-DN50 yemibhobho ye-DN25-DN50. Amanqaku ongezelelweyo e-Anchor kufuneka anikezwe egoni.
III. Ukuxilongwa kwengxaki eqhelekileyo kunye nolondolozo
I-PVC ye-PVC yePVC ye-PVC iquka ukuvuza okuhlangeneyo, umbhobho wodonga, kunye nengxolo yokuhamba kwamanzi. Ukuvuza ngamalungu kunokuba lutywanwe okwethutyana kunye ne-PVC yokuthambeka, kodwa ukulungiswa okungapheliyo kuhlala kufuna ukuveza kunye nokunxibelelana kwakhona. Ukuqhekeka kombhobho kuhlala kwenzeka kumaqondo obushushu ebusika. Xa amaqondo obushushu aphantsi awela ngaphantsi kwe-5 degree, amanyathelo okhuselo kufuneka aphunyezwe okanye ukubandezeleka Ingxolo yokuhamba kwamanzi inokuqwalaselwa ngokongeza izixhobo zokupheka (ezinjengeegesi zerabha) okanye zilungelelanise ireyithi yokuhamba (Kucetyiswa ukugcina i-0.8-1.5 m / s).
Ukuhlolwa kolondolozo rhoqo kufanele kubandakanye: Uvavanyo olubonakalayo lomphezulu wepayiphu we-rocks kunye nengxaki; Ukusetyenziswa komceli okuvuzayo ukufumanisa ukuvuza ezifihliweyo; kwaye uvavanye ukuthembeka kwethemba le-anti - i-colososion ikhathaza kwimibhobho ethethwayo rhoqo kwiminyaka emithathu. Isifundo sePaki yeShishini sabonisa ukuba ukufezekisa inkqubo yolawulo lwe-digital kuncitshiswe ixesha lokuphendula kwimibhobho ye-PVC ngeendleko ezingama-60 kunye nokuncitshiswa kwe-42%.
Iv. Iindlela zophuhliso kunye nezicelo ezinobuchule
Imibhobho ye-PVC emitsha eguqulweyo yokwandisa imida yayo yesicelo: i-PVC -} iimpuku ezine-modifiers zibone nge-300%; I-pvc -} o Imibhobho usebenzisa inkqubo yokuqhelaniswa ne-biaxial ibone amandla abo e-hoop anyuke ngaphezulu kahlanu; Kwaye ukumiliselwa kwe-nanocompossites kwenza imibhobho ye-PVC ye-PVC yokufezekisa inqanaba lama-99%. Kumsebenzi weSixeko saseSmart, ukrelekrele kwe-PVC PvC Pipe Pipe Ene-Pipe Enezixhobo ezihlanganisiweyo ziphumelele indawo ye-ichanekile kwi-Aksness engaphantsi kwe-0,5 yeemitha.
Ukusuka kumbono woqoqosho lwezoqoqosho, ngelixa kutyalo-mali lokuqala kwimibhobho ye-PVC imalunga nama-35% asezantsi kuneyona mibhobho yentsimbi, i-50 {3} {{3} {{3} {{3} Umgaqo-nkqubo we-"0 wam ukutshintsha intsimbi "Umgaqo-nkqubo wensimbi uyaqhubeka, inkqubo yetekhnoloji ye-PVC elungelelanisiweyo ye-PVC iya kuba yinkxaso ephambili kuphuhliso oluphezulu lolwakhiwo lwezibonelelo.
