Impumelelo yeprojekthi yakho ixhomekeke kuqhagamshelo oluqinileyo lwemibhobho. Ijoyinti ebuthathaka inokubangela ukuvuza okukhulu, okukhokelela ekulungisweni okubizayo kunye nokulibaziseka. Ukuqalisa uqhagamshelo kubalulekile.

Iindlela ezilungileyo zokudibanisa imibhobho emibini ye-HDPE zeziukuhlanganiswa kweempundukwayeukudibana kwe-electrofusionZombini ezi ndlela zisebenzisa ubushushu ukunyibilikisa iplastiki, zenze i-joint ehlala ingenamthungo eqinileyo njengombhobho ngokwawo kwaye ingavuzisi kwaphela.

Ndichithe phantse amashumi amabini eminyaka ndisenza iinkqubo zemibhobho, kwaye ndizibonele ngokwam indlela iprojekthi enokuphumelela okanye ingaphumeleli ngayo ngokusekelwe kwinkcukacha enye encinci: i-joint. Umphathi wokuthenga onjengoMinh eVietnam uyazi kakuhle oku. Akathengi nje imibhobho; uthenga isiqinisekiso sokuba amanzi okanye igesi ziya kuhlala ngaphakathi kuyo iminyaka engama-50 ezayo. Indlela esetyenziswayo ukuqhagamshela loo mibhobho yeyona nxalenye ibalulekileyo yesiqinisekiso. Sisihloko esifanele siqondwe ngokweenkcukacha, ngoko makhe sihlalutye imibuzo eqhelekileyo endiyifumana kubathengi.

Ngaba ungayiqhagamshela i-HDPE kwi-PVC?

Udinga ukuqhagamshela umgca omtsha we-HDPE kwinkqubo ye-PVC ekhoyo. I-weld ethe ngqo ibonakala ilula, kodwa iya kusilela, nto leyo ebangela iingxaki kwiprojekthi. Udinga i-fitting ekhethekileyo kulo msebenzi.

Ewe, ungayiqhagamshela iHDPE kwiPVC, kodwa ungaze uyidibanise ngokuyiwelda okanye ngokuyincamathisela. Kufuneka usebenzise isixhobo sokutshintsha esisebenza ngoomatshini. Ezi zinto zenza isitywina esiqinileyo phakathi kwezinto ezahlukeneyo, ziqinisekisa uqhagamshelo oluhlala ixesha elide nolungavuziyo ngaphandle kobushushu.

Awunakudibanisa i-HDPE kunye ne-PVC kuba ziiplastiki ezahlukeneyo ngokusisiseko. Zineekhemikhali ezahlukeneyo kwaye ziyanyibilika kumaqondo obushushu ahlukeneyo. Ukuzama ukuzifudumeza nokuzifaka kufana nokuzama ukuthungela umthi kwintsimbi—akusebenzi. I-PVC idla ngokudityaniswa nesamente ye-solvent, eyinkqubo yekhemikhali. Ukudibanisa i-HDPE kuxhomekeke ekuhlanganiseni kobushushu, inkqubo esekelwe kubushushu. Ukusebenzisa isamente ye-PVC solvent kwi-HDPE akuyi kwenza nto, kwaye ubushushu obufunekayo kwi-HDPE buya kuyitshabalalisa i-PVC.

Isisombululo esichanekileyo kukwenza i-mechanical joint. Oku kuyazahlula ezi zinto zimbini ngelixa kubonelela ngonxibelelwano oluqinileyo noluvaliweyo.

Izixhobo zoTshintsho oluPhambili

1. Iiadaptha zeFlange:Le yeyona ndlela ixhaphakileyo kwiipayipi ezinkulu. I-adaptha yeflange ye-HDPE idityaniswe kumbhobho we-HDPE. Iflange ye-PVC incamathiselwa kumbhobho we-PVC. Emva koko, i-gasket ibekwa phakathi kweeflange ezimbini, kwaye zibotshelelwe kunye. Oku kudala uqhagamshelo oluqinileyo olunokwahlulwa ukuba kuyimfuneko.
2. Iiadaptha zeMechanical Joint (MJ):Ezi fittings zisebenzisa indibaniselwano yeebholiti kunye neegaskets zokucinezela ukwenza isitywino esijikeleze umphandle wombhobho. Ziqheleke kakhulu kwiinkqubo zamanzi zikamasipala zokudibanisa nezinto ezifana neevalvu zesinyithi ezithambileyo okanye imigca yePVC ekhoyo.

Nantsi indlela elula yokukunceda ukhethe:

Ndisoloko ndicebisa abathengi ukuba bacinge ngesicelo. Kwiprojekthi enoxinzelelo oluphezulu, uqhagamshelo olune-flange luthembekile kwaye kulula ukuluhlola.

Yintoni iarhente yokudibanisa yeHDPE?

Uva igama elithi “iarhente yokudibanisa” kwaye usenokucinga ngeglu. Ukusebenzisa iglu kwiHDPE kuya kudala iqhina elibuthathaka elingasebenzi ngokukhawuleza. Kufuneka uqonde ukuba iHDPE isebenzisa umgaqo owahlukileyo ngokupheleleyo.

Imibhobho yeHDPE ayisebenzisi i-chemical coupling agent okanye iglu. “I-arhente” edibanisayo yi-heat. Iindlela zokuxuba ezifana ne-butt fusion okanye i-electrofusion zisebenzisa ubushushu obulawulwa ngokuchanekileyo ukunyibilikisa iziphelo zemibhobho, ezithi emva koko zidibane njengoko zipholile.

Igama elithi “iarhente yokudibanisa” liqheleke kakhulu kumashishini asebenza ngezinto ezidityanisiweyo okanye izincamathelisi. Kwihlabathi leepayipi zeHDPE, ligama elilahlekisayo. Asifaki nto ukuze sibophe imibhobho; sitshintsha imeko yezinto zepayipi ngokwayo. IHDPE yi-thermoplastic, oko kuthetha ukuba ungayinyibilikisa kwaye uyivumele iphole ukuze ulungise isiqina esomeleleyo. Le propati yeyona nzuzo yayo inkulu.

Ubushushu “nguMmeli” wokwenyani

Xa ufaka ubushushu ngokuchanekileyo kwiindawo ezimbini ze-HDPE, imixokelelwane yemolekyuli evela kuzo zombini iziqwenga iyaxubana. Njengoko izinto zipholile phantsi koxinzelelo, ezi mixokelelwane ziyanamathelana. Isiphumo asikokuba iziqwenga ezibini zepayipi zinamathelene; yipayipi enye eqhubekayo. Siyibiza ngokuba yi-monolithic joint kuba iye yaba sisakhiwo esinye esiqinileyo. Yingakho i-joint edityaniswe kakuhle inamandla, okanye inamandla ngakumbi, kunodonga lwepayipi lokuqala. Akukho ndawo ibuthathaka.

Kutheni Umgangatho Wezinto Eziphathekayo Ubalulekile

Kulapho amava am njengomvelisi eba yimfuneko khona kubathengi bam. Le nkqubo yokudibanisa isebenza ngokugqibeleleyo kuphela ukuba izinto eziluhlaza zikumgangatho ophezulu kwaye zihambelana. Sisebenzisa i-resin ye-PE100 eyi-100% kuphela. Oku kuqinisekisa ukuba xa ingcali kwindawo yeprojekthi isebenzisa ubushushu, izinto ziya kunyibilika kwaye zihlangane kanye njengoko iinkcukacha zobunjineli zixela. Ukuba umenzi usebenzisa izinto ezisetyenzisiweyo okanye i-resin ekumgangatho ophantsi, iindawo zokunyibilika zinokungahambelani, nto leyo ekhokelela kwijoyinti ebuthathaka okanye engasebenziyo, nokuba umqhubi unobuchule kangakanani na. Umgangatho "wearhente" - ubushushu - awunamsebenzi ukuba izinto ngokwazo zinesiphako.

Loluphi uhlobo lokudibanisa olusetyenziswa kwiipayipi zeHDPE?

Iprojekthi yakho ifuna iijoyinti ezithembekileyo nezingenamanzi. Ukukhetha indlela engalunganga yokudibanisa iijoyinti kunokubeka emngciphekweni ukuthembeka kwenkqubo yonke. Kufuneka ulungelelanise le ndlela neemfuno ezithile zeprojekthi ukuze ufumane isiphumo esihlala ixesha elide.

Iintlobo eziphambili zokudibanisa imibhobho ye-HDPE kukudibanisa ubushushu kunye nokudibanisa oomatshini. Ukudibanisa obushushu, kubandakanya ukudibanisa i-butt kunye nokudibanisa i-electro, kudala ukudibanisa okusisigxina. Izixhobo zoomatshini zisetyenziselwa utshintsho okanye xa kufuneka ukuqhaqha.

Kwiminyaka edlulileyo, ndibonelele ngeepayipi kwiiprojekthi ezininzi, ukusuka kwiindlela ezinkulu zamanzi zikamasipala ukuya kwizityalo zokucubungula imboni. Ukukhetha indlela yokudibanisa kusoloko kuyinto ephambili kwingxoxo. Isigqibo sixhomekeke kubungakanani bepayipi, iimeko zendawo, umlinganiselo woxinzelelo, kunye nesakhono seqela lokufakela. Ukuqonda iindlela eziphambili kubalulekile kuye nawuphi na umphathi wokuthenga okanye injineli.

Iindlela zokuxuba ubushushu

• Ukuhlanganiswa kweempundu:Le yeyona ndlela ixhaphakileyo kwiipayipi ezingama-63mm nangaphezulu. Le nkqubo ibandakanya ukujongana neziphelo zepayipi ukuze zicoceke ngokugqibeleleyo kwaye zibe sikwere, uzifudumeze ngepleyiti ekhethekileyo, uze uzityhale kunye phantsi koxinzelelo olulawulwayo. Oku kudala ukuwelda okuqinileyo nokusisigxina. Ifanelekile kwiipayipi ezinde, ezithe tye.
• Ukudibanisa ngombane:Le ndlela isebenzisa izixhobo ezikhethekileyo ezinee-heating coils ezakhelwe ngaphakathi. Iipayipi zifakwa kwi-fitting, kwaye umatshini udlulisa umbane kwii-coils. Oku kunyibilikisa ingaphakathi le-fitting kunye nengaphandle lombhobho, kuzidibanisa kunye. Ifanelekile ekulungiseni, ekusebenzeni kwimisele eqinileyo, okanye ekudibaniseni imigca yamasebe.

Iindlela zoQhagamshelo lweMishini

• Uqhagamshelo lweFlange:Njengoko bekutshiwo ngaphambili, ezi zilungele ukuqhagamshela i-HDPE kwezinye izinto okanye izixhobo ezifana neempompo kunye neevalvu.
• Izixhobo zoxinzelelo:Ezi zixhaphake kakhulu kwiipayipi ezincinci ezinobubanzi obuphantsi (ngesiqhelo zingaphantsi kwe-110mm), ingakumbi xa kunkcenkceshelwa. Zisebenza ngokuqinisa i-nut ecinezela indandatho kunye ne-gasket kumbhobho, nto leyo eyenza ukuba amanzi angangeni.

Ndisoloko ndixelela abathengi bam ukuba kwiziseko ezibalulekileyo nezihlala ixesha elide, ukuxubana kobushushu yeyona ndlela ilungileyo. Kususa iindawo ezinokubangela ukuvuza ezikhoyo ngee-gaskets kunye neebholithi zoomatshini.

Ungayidibanisa njani imibhobho ye-HDPE?

Unezixhobo ezifanelekileyo, kodwa impazamo enye encinci inokonakalisa ijoyinti. Inkqubo engxamisekileyo okanye engcolileyo iya kukhokelela ekungasebenzi kakuhle kamva. Ukulandela inkqubo echanekileyo inyathelo ngenyathelo yindlela ekuphela kwayo yokuqinisekisa ukuba i-weld iqinile.

Ukuze udibanise umbhobho we-HDPE kunye ne-butt fusion, kufuneka ucoce kwaye ujonge iziphelo, uzilungelelanise kakuhle kumatshini, uzifudumeze de kube yintsimbi, uze uzicinezele kunye phantsi koxinzelelo zide ziphole ngokupheleleyo.

Ngokwembono yam yokuvelisa, ndibona umbhobho njengesiqingatha semveliso yokugqibela. Esinye isiqingatha singumgangatho wofakelo. Umbhobho ogqibeleleyo unokonakala ngenxa yokungasebenzi kakuhle kwejoyinti. Ndakhe ndatyelela indawo ekuMzantsi-mpuma we-Asia apho abasebenzi babesokola nge-welds ezingasebenziyo. Ingxaki yayingengombhobho okanye umatshini; babetsiba inyathelo lokucoca. Uthuli oluncinci lwalungena kwi-weld kwaye ludala indawo ebuthathaka. Sababonisa inkqubo efanelekileyo, kwaye iingxaki zaphela ngoko nangoko. Kumphathi onjengoMinh, ukuqinisekisa ukuba amaqela akhe alandela la manyathelo kubaluleke kakhulu njengokufumana umbhobho osemgangathweni.

Inkqubo yokuhlanganisa amaButt: Inyathelo ngenyathelo

1. Coca iPipe:Sula ingaphakathi nangaphandle kwesiphelo sombhobho zombini. Sebenzisa iilaphu elingena-lint kunye nesicoci esivunyiweyo esifana ne-isopropyl alcoholNaluphi na uthuli, ukufuma, okanye ioyile kuya kutshabalalisa ukuthembeka kwe-weld.
2. I-Climp kunye ne-Lungelelanisa:Ziqinise iipayipi kumatshini wokudibanisa. Zidibanise iziphelo ukuze ujonge ukuba zilungelelene kangakanani. Kufuneka zihlangane ngokugqibeleleyo kungabikho zikhewu.
3. Jongana Neziphelo Zemibhobho:Sebenzisa isixhobo somatshini sokulungisa ubuso ukuze uchebe izinto ezincinci kwicala ngalinye. Oku kudala iindawo ezintsha, ezicocekileyo, nezihambelana ngokugqibeleleyo zokuwelda. Susa ubuso ngaphandle kokuchukumisa iziphelo ezisandula ukubonakala.
4. Nyibilikisa Iziphelo:Jonga ipleyiti yeheater ukuqinisekisa ukuba ikwiqondo lobushushu elifanelekileyo lobukhulu bombhobho wakho kunye nobukhulu bodonga. Faka ipleyiti phakathi kwemibhobho uze uyicinezele kuyo de iplastikhi etyhidiweyo ivele kwicala ngalinye.
5. Joyina kwaye uphole:Susa ngokukhawuleza ipleyiti yeheater uze udibanise iziphelo zepayipi enyibilikisiweyo phantsi koxinzelelo oluchaziweyo lokudibanisa. Bamba olu xinzelelo ixesha elifunekayo lokupholisa. Musa ukungxama ngeli nyathelo. Ijoyinti kufuneka iphole ngokupheleleyo ukuze ifumane amandla ayo apheleleyo. I-weld efanelekileyo iboniswa yi-bead efanayo, ephindwe kabini ejikelezayo ejikeleze umjikelo wejoyinti.

Le nkqubo ifuna ingcali eqinisekisiweyo. Ukutyala imali kuqeqesho olufanelekileyo lwamaqela okufakela yenye yezona ndlela zilungileyo zokunciphisa umngcipheko nokuqinisekisa ukuba umbhobho usebenza ngokuthembekileyo ubomi bawo bonke.

Isiphelo

Ukudibanisa i-HDPE ngokuchanekileyo kuxhomekeke kwi-heat fusion okanye kwi-mechanical fittings. Ukulandela inkqubo efanelekileyo ngezixhobo ezisemgangathweni kubalulekile ekwakheni inkqubo yepayipi eqinileyo, engavuziyo, nehlala ixesha elide.