Shandong Weichuan Metal Prodducts Co., Ltd.

Indawo yokuthengisa i-zinc ephezulu egqunywe umbhobho wentsimbi

Inkcazelo emfutshane:

Umbhobho wentsimbi wahlulwe waba ngumbhobho wentsimbi obandayo kunye nombhobho wentsimbi otshisiweyo. Umbhobho obandayo wentsimbi uvaliwe, kwaye le yokugqibela ikhuthazwa ngurhulumente ukuba isetyenziswe okwethutyana.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Inkcazo

Umbhobho wentsimbi wahlulwe waba ngumbhobho wentsimbi obandayo kunye nombhobho wentsimbi otshisiweyo. Umbhobho obandayo wentsimbi uvaliwe, kwaye le yokugqibela ikhuthazwa ngurhulumente ukuba isetyenziswe okwethutyana. Ngeminyaka yee-1960 neyee-1970, amazwe aphuhlileyo ehlabathini aqalisa ukwenza imibhobho emitsha, yaye imibhobho eyenziwe ngamazimba yavalwa enye emva kwenye. UMphathiswa wezokwakha waseTshayina kunye namanye amacandelo amane kunye neekomishoni ziye zakwenza kwacaca ukuba imibhobho yegalvan ivaliwe njengemibhobho yokuhambisa amanzi ukususela ngo-2000. kwezinye iindawo. Umbhobho oshushu wediphu wentsimbi usetyenziswa kakhulu ekulweni umlilo, amandla ombane kunye nendlela yokukhawuleza. Imibhobho yentsimbi eshushu idiphu isetyenziswa kakhulu kulwakhiwo, oomatshini, imigodi yamalahle, kushishino lwemichiza, amandla ombane, izithuthi zikaloliwe, ishishini leemoto, oohola bendlela, iibhulorho, izitya, izibonelelo zemidlalo, oomatshini bezolimo, oomatshini bepetroleum, oomatshini bokuhlola kunye namanye amashishini okuvelisa.

Umbhobho wentsimbi odityanisiweyo kunye nediphu eshushu okanye i-electrogalvanized coating phezu kombhobho wentsimbi. I-galvanizing inokunyusa ukunyanzeliswa kwe-corrosion yeepayipi zensimbi kunye nokwandisa ubomi babo benkonzo. Umbhobho wegalvanized usetyenziswa ngokubanzi. Ukongeza ekusetyenzisweni njengombhobho wokuhambisa amanzi, irhasi, i-oyile kunye nolunye ulwelo oluphantsi koxinzelelo, ikwasetyenziswa njengombhobho we-oyile kunye nombhobho wokuhambisa i-oyile kushishino lwepetroleum, ngakumbi kumasimi e-oyile aphesheya konxweme, isifudumezi se-oyile, isifudumezi se-oyile, isifudumezi se-oyile. kunye namalahle distillation ioyile yokuhlambela umtshintshi wesixhobo sokupheka imichiza, imfumba yombhobho we-trestle, umbhobho wesakhelo senkxaso yetonela yasemgodini, njl njl. . Ukugalela idiphu eshushu kukuchola umbhobho wentsimbi kuqala. Ukuze ukususa intsimbi oxide phezu kombhobho wentsimbi, emva pickling, icocwe ammonium chloride okanye zinc chloride isisombululo aqueous okanye ammonium chloride kunye nezinki chloride exutywe nesisombululo aqueous itanki, kwaye emva koko ithunyelwe kwidiphu eshushu galvanizing itanki. I-Hot dip galvanizing ineenzuzo zokugquma okufanayo, ukunamathela okuqinileyo kunye nobomi benkonzo ende. I-matrix yombhobho wesinyithi owenziwe ngesinyithi oshushu-diphu ineempendulo ezintsonkothileyo ngokwasemzimbeni kunye neekhemikhali kunye nesisombululo esityhidiweyo sokutyabeka ukwenza umaleko we-zinc ferroalloy onganyangekiyo kunye nesakhiwo esixineneyo. Uluhlu lwe-alloy luhlanganiswe kunye ne-zinc ecocekileyo kunye ne-matrix yepayipi yombhobho, ngoko inokumelana nokugqwala okuqinileyo. Umbhobho obandayo ofakwe igalvanized electrogalvanized. Isixa se-galvanized sincinci kakhulu, kuphela i-10-50g / m2. Ukumelana nomhlwa kwayo kwahluke kakhulu kuleyo yombhobho wegalvanized wediphu eshushu. Ukuze kuqinisekiswe umgangatho, abaninzi abavelisi bemibhobho ye-galvanized rhoqo abayisebenzisi i-electro galvanizing (i-cold plating). Kuphela loo mashishini amancinci anezixhobo ezincinci kunye nezixhobo ezindala asebenzisa i-electro galvanizing, ngokuqinisekileyo, ixabiso labo lincinci. UMphathiswa wokwakha ubhengeze ngokusemthethweni ukuba imibhobho ebandayo ene-galvanized technology iya kupheliswa kwaye ayiyi kusetyenziswa njengemibhobho yamanzi kunye negesi. Uluhlu lwezinki lombhobho wensimbi obandayo luluhlu lwe-electroplating, kwaye i-zinc layer ihlukaniswe kwi-substrate yombhobho wensimbi. Uluhlu lwe-zinc luncinci, kwaye i-zinc layer ifakwe nje kwi-matrix yombhobho wensimbi, ekulula ukuwa. Ke ngoko, ukuxhathisa kwayo kukonakala. Kwizindlu ezitsha, akuvumelekanga ukusebenzisa imibhobho yentsimbi ebandayo njengemibhobho yokuhambisa amanzi.

Ubunzima bobunzima

Ubukhulu bodonga lwegama (mm): 2.0, 2.5, 2.8, 3.2, 3.5, 3.8, 4.0, 4.5.

Imilinganiselo yomlinganiso (c): 1.064, 1.051, 1.045, 1.040, 1.036, 1.034, 1.032, 1.028.

Qaphela: ipropathi yomatshini yentsimbi isalathiso esibalulekileyo sokuqinisekisa ukusebenza kwenkonzo yokugqibela (ipropathi yomatshini) yentsimbi, exhomekeke kukwakheka kweekhemikhali kunye nenkqubo yokushisa ukushisa kwentsimbi. Kwinqanaba lombhobho wensimbi, ngokweemfuno ezahlukeneyo zenkonzo, iimpawu zokuqina (amandla okuqina, amandla emveliso okanye indawo yokuvunwa, i-elongation), izinkomba zobunzima kunye nokuqina, kunye neempawu zokushisa eziphezulu kunye eziphantsi ezifunwa ngabasebenzisi zichazwe.

Ibakala lentsimbi: q215a; Q215B; Q235A; Q235B.

Ixabiso loxinzelelo lovavanyo / i-MPA: d10.2-168.3mm yi-3Mpa; I-D177.8-323.9mm yi-5MPa

Umgangatho wesizwe kunye nomgangatho wobungakanani bombhobho ofakwe igalvanized

I-GB / t3091-2015 umbhobho wentsimbi odityanisiweyo wokuthutha ulwelo oluphantsi

Umthungo othe ngqo welding wentsimbi umbhobho (GB / t13793-2016)

I-GB / t21835-2008 imilinganiselo yombhobho wentsimbi edityanisiweyo kunye nobunzima ngeyunithi yobude

Ukusetyenziswa okuqhelekileyo kombhobho we-galvanized kukuba umbhobho wentsimbi osetyenziselwa igesi kunye nokufudumeza nawo ngumbhobho wegalvanized. Njengombhobho wamanzi, umbhobho wegalvanized uvelisa umhlwa omkhulu kumbhobho emva kweminyaka emininzi yokusetyenziswa. Amanzi atyheli awangcolisi kuphela izinto zococeko, kodwa adityaniswe neebhaktheriya ezizala kudonga lwangaphakathi olungagungqiyo. Ukonakala kubangela umxholo ophezulu wesinyithi esinzima emanzini kwaye kubeka engozini impilo yabantu.

Amanyathelo okuvelisa

Inkqubo yokuhamba ihamba ngolu hlobo lulandelayo: ityhubhu emnyama - ukuhlamba i-alkali - ukuhlamba amanzi - ukuxutywa kwe-asidi - ukuhlanjululwa ngamanzi acocekileyo - I-Leaching additives - ukomisa - idiphu eshushu ye-galvanizing - Ukuvuthela kwangaphandle - ukuvuthela kwangaphakathi - ukupholisa umoya - ukupholisa kwamanzi - ukugqithiswa kwamanzi - ukuhlanjululwa kwamanzi - Ukuhlolwa - ukulinganisa - ukugcinwa kwempahla.

Imfuneko yobugcisa

1. Uphawu kunye nokwakheka kweekhemikhali
Ibakala kunye nokwakhiwa kweekhemikhali zentsimbi yombhobho wensimbi owenziwe ngesinyithi uya kuhambelana nebakala kunye nokwakheka kweekhemikhali zentsimbi kumbhobho omnyama ochazwe kwi-GB / t3091.

2. Indlela yokuvelisa
Indlela yokuvelisa umbhobho omnyama (i-furnace welding okanye i-welding yombane) iya kukhethwa ngumenzi. Indlela yokugalela idiphu eshushu iya kwamkelwa ukulungiselela ukugalela.

3. Umsonto kunye nombhobho odibeneyo
(a) Kwimibhobho yentsimbi eyenziwe ngesinyithi ehanjiswa ngeentambo, iintambo ziya kujikwa emva kokufakwa kwegalvanizing. Umsonto uya kuhambelana noYb 822.

(b) Izidibanisi zemibhobho yentsimbi ziya kuthobela uYb 238; Izidibanisi zemibhobho yentsimbi ethambileyo ziya kuthobela iYb 230.

4. Iimpawu zoomatshini iipropathi zomatshini zemibhobho yentsimbi ngaphambi kokuba i-galvanizing ihambelane nemimiselo ye-GB 3091.
5. Ukufana kokwaleka kwegalvanized imibhobho yentsimbi enezibilini kuya kuvavanywa ukufana kwengubo yegalvanized. Isampuli yombhobho wensimbi iya kucwiliswa ngokuqhubekayo kwisisombululo se-sulfate yethusi ngamaxesha angama-5 kwaye ayiyi kuba bomvu (umbala we-copper plating).

6. Uvavanyo lokugoba olubandayo: umbhobho wentsimbi owenziwe ngesinyithi onobubanzi obungadlulanga i-50mm uya kuba phantsi kovavanyo lokugoba olubandayo. I-angle yokugoba yi-90 °, kwaye i-radius yokugoba ngamaxesha angama-8 obubanzi obungaphandle. Ngethuba lovavanyo ngaphandle kokuzaliswa, i-weld yesampuli iya kufakwa ngaphandle okanye inxalenye ephezulu yendlela yokugoba. Emva kovavanyo, isampuli iya kukhululeka kwiintanda kunye nokusabalalisa kwe-zinc layer.

7. Uvavanyo lwe-Hydrostatic uvavanyo lwe-hydrostatic luya kuqhutywa kumbhobho omnyama, okanye ukufumanisa i-eddy yangoku yesiphene kunokusetyenziswa endaweni yovavanyo lwe-hydrostatic. Uxinzelelo lovavanyo okanye ubungakanani besampulu yokuthelekisa ukufumanisa i-eddy yangoku impazamo iya kuhambelana namalungiselelo e-GB 3092. Ipropathi yomatshini yentsimbi iyisalathisi esibalulekileyo sokuqinisekisa ukusebenza kwenkonzo yokugqibela (ipropathi yomatshini) yensimbi,

Ipropathi yoomatshini

① Amandla okuqina (σ b): awona mandla aphezulu (FB) athwalwa ngumzekelo ngexesha loxinzelelo, lwahlulwe yindawo yokuqala enqamlezileyo (so) yesampulu ((σ), Ebizwa ngokuba ngamandla e-tensile (σ b) , kwi-N / mm2 (MPA). Imele amandla aphezulu ezinto zetsimbi ukuxhathisa ukungaphumeleli phantsi koxinzelelo. Apho: FB -- awona mandla aphezulu athwalwa yisampuli xa yaphukile, n (Newton); Ke -- indawo yoqobo enqamlezileyo yesampulu, mm2.

② Inqaku lesivuno (σ s) : kwizixhobo zetsimbi kunye nesiganeko sokuvunwa, uxinzelelo xa i-specimen ingaqhubeka nokwandisa ngaphandle kokunyuka (ukugcina rhoqo) uxinzelelo ngexesha lenkqubo yobunzima, ebizwa ngokuba yi-isivuno point. Ukuba uxinzelelo luyehla, amanqaku aphezulu kunye asezantsi esivuno aya kwahlulwa. Iyunithi yenqaku lesivuno ngu-n / mm2 (MPA). Inqaku lesivuno esiphezulu (σ Su): ubuninzi boxinzelelo ngaphambi kokuba uxinzelelo lwesivuno lwesampuli luyancipha okokuqala; Inqaku lesivuno esisezantsi(σ SL): ubuncinci boxinzelelo kwinqanaba lesivuno xa isiphumo sokuqala esikhawulezileyo singaqwalaselwa. Apho: I-FS -- isivuno soxinzelelo (ngokusisigxina) sesampuli ngexesha loxinzelelo, n (Newton) ngoko - indawo yokuqala yecandelo lomnqamlezo wesampuli, mm2.

③ Ukwandiswa emva kokuphuka: ( σ) Kuvavanyo lwe-tensile, ipesenteji yobude bonyuswe ngobude be-gauge yesampulu emva kokuphulwa kwi-original gauge ubude ibizwa ngokuba yi-elongation. ngo-σ Ibonakaliswe kwi%. Apho: L1 -- ubude begeyiji emva kokwaphulwa kwesampulu, mm; L0 -- igeyiji yoqobo yobude besampulu, mm.

④ Ukunciphisa indawo: (ψ) Kuvavanyo lwe-tensile, ipesenteji phakathi kokunciphisa ubuninzi bendawo enqamlezileyo kwidayamitha encitshisiweyo kunye nommandla onqamlezileyo emva kokuba i-specimen iphukile ibizwa ngokuba kukuncitshiswa kwendawo. nge ψ Ibonakaliswe nge%. Apho: S0 -- indawo yokuqala enqamlezileyo yesampulu, mm2; I-S1 -- indawo encinci ye-cross-sectional kwi-diameter encitshisiweyo emva kokuphulwa kwesampuli, mm2.

⑤ Isalathisi sobunzima: ukukwazi kwezixhobo zetsimbi ukuxhathisa i-indentation surface yezinto ezinzima kuthiwa ukuqina. Ngokweendlela ezahlukeneyo zovavanyo kunye nobubanzi besicelo, ubulukhuni bunokwahlulwa bubulukhuni beBrinell, ukuqina kweRockwell, ukuqina kweVickers, ukuqina konxweme, ubulukhuni obuncinci kunye nobunzima obuphezulu bobushushu. I-Brinell, i-Rockwell kunye ne-Vickers ubunzima busetyenziswa ngokuqhelekileyo kwimibhobho.

I-Brinell hardness (HB): cinezela ibhola yentsimbi okanye ibhola ye-carbide enesamente enobubanzi obuthile kumphezulu wesampulu kunye novavanyo oluchaziweyo lwamandla (f), susa amandla ovavanyo emva kwexesha elichaziweyo lokubamba, kwaye ulinganise i-diameter ye-indentation (L) umgangatho wesampula. Inombolo yobulukhuni be-Brinell yi-quotient efunyenwe ngokwahlula amandla ovavanyo nge-spherical surface area of ​​the indentation. Ibonakaliswe kwi-HBS (ibhola yentsimbi), iyunithi: n / mm2 (MPA).

Impembelelo yokusebenza

(1) Ikhabhoni; Ukuphakama kwekhabhoni, ukuphakama kobunzima bentsimbi, kodwa ngakumbi iplastiki kunye nokuqina kwayo

(2) isulfure; Kukungcola okuyingozi kwintsimbi. Intsimbi enomxholo ophezulu wesulfure kulula ukuyikhupha ngexesha loxinzelelo loxinzelelo kwiqondo lokushisa eliphezulu, elidla ngokubizwa ngokuba yi-thermal embrittlement.

(3) iphosphorus; Inokunciphisa kakhulu iplastiki kunye nokuqina kwentsimbi, ngakumbi kwiqondo lokushisa eliphantsi. Le nto ibizwa ngokuba yi-cold brittleness. Kwinsimbi ephezulu, isulfure kunye ne-phosphorus kufuneka ilawulwe ngokungqongqo. Ngakolunye uhlangothi, insimbi ephantsi yekhabhoni iqulethe i-sulfure ephezulu kunye ne-phosphorus, enokwenza kube lula ukunqumla, oku luncedo ekuphuculeni ukunyanzeliswa kwensimbi.

(4) IManganese; Inokuphucula amandla ensimbi, iyancipha kwaye isuse imiphumo emibi yesulfure, kunye nokuphucula ukuqina kwentsimbi. Insimbi ephezulu ye-alloy (intsimbi ephezulu ye-manganese) enomxholo ophezulu we-manganese inokumelana nokunxiba kakuhle kunye nezinye iimpawu ezibonakalayo

(5) Isilicon; Inokuphucula ubulukhuni bentsimbi, kodwa iplastiki kunye nokuqina kuyancipha. Intsimbi yombane iqulethe inani elithile le-silicon, elinokuphucula iimpawu ezithambileyo zamagnetic

(6) iTungsten; Inokuphucula ubunzima obubomvu kunye namandla okushisa ensimbi, kwaye iphucule ukuxhatshazwa kwentsimbi

(7) Chromium; Inokuphucula ukuqina kunye nokumelana nokunxiba kwentsimbi, kwaye iphucule ukuxhathisa umhlwa kunye nokumelana ne-oxidation yentsimbi.

Ukuze kuphuculwe ukuxhathisa kwe-corrosion yombhobho wensimbi, umbhobho wensimbi jikelele (umbhobho omnyama) ufakwe i-galvanized. Umbhobho wentsimbi owenziwe ngesinyithi wahlulwe kwi-galvanizing eshushu-dip kunye nezinc yentsimbi yombane. Umaleko we-galvanizing we-hot-dip ungqindilili kwaye ixabiso lokugalela umbane liphantsi, ngoko kukho umbhobho wentsimbi.


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