2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Cov hlau xaim yog cov khoom siv npaj txhij rau kev tsim khoom ntawm galvanized hlau xaim pas nrig, fittings, hlua, xov hlau thiab cable. Yog tsis muaj nws, kev tsim hluav taws xob thiab xov tooj cua engineering, tsheb tshwj xeeb, kev tsim kho lub tsev thav duab thiab tus lej ntawm lwm hom thiab ntau yam ntawm tib neeg kev ua haujlwm yuav tsum tau nres.
Nta thiab cov tseev kom muaj
Cov hlua hlau hlau tau nce lub zog thiab tawv, uas ua rau nws tsim nyog rau kev tsim cov khoom sib puag ncig thiab oval hla ntu, hlua, dai rau tooj liab thiab kho qhov muag cable, ntsia hlau, vuam hluav taws xob thiab txuas cov xov hlau, txuas nrog txiav ib puag ncig. Ib qho kev hla ntu ntawm cov xaim xaim yog zoo kawg nkaus puag ncig, tsawg dua oval.
Txoj kab uas hla ntawm cov xaim xaim yog los ntawm ib feem ntawm ib millimeter mus rau 1 cm.
Cov tooj liab tooj liab feem ntau yog 0.05-2 hli tuab, raws li muaj pov thawj los ntawm cov cua tshuab, cov xov hlau thiab cov hauv paus tseem ceeb ntawm cov xov tooj sib txuas, cov xov tooj cua ntau . Aluminium feem ntau yog siv ua cov xov hlau thiab cov hlua rau cov kab hluav taws xob - ntu ntu ntawm ib tus pas nrig nce mus txog ib centimeter. Hauv qhov xwm txheej tom kawg, ib qho txhuas txuas tau siv tshem tawm ntawm cov khoom siv hluav taws xob rwb thaiv tsev ntawm cov ntawv. Insulated thiab sheathed cables muaj ntu ntu txaus kom tiv taus ntau pua thiab ntau txhiab kilowatts los ntawm cov neeg siv khoom los ntawm cov chaw hloov pauv.
Cov pas hlau, zoo li lwm cov ntawv hlau uas muaj hlau, yog tsim rau xob laim uas muab kev tiv thaiv xob laim.
Hauv kev tsim cov hlua hlau, lawv ua raws li GOST 380-94 . Kev tsim cov hlua hlau raws li TU rau cov khoom siv thiab cov xov hlau tsis raug tso cai. Cov hlua hlau tawg tuaj yeem ua rau lub tsev siab ua kom tawg (cov hlau txuas ntxiv yuav tawg, lub thav duab ua vaj huam sib luag yuav tawg, hloov pauv, thiab lub tsev yuav dhau los ua xwm txheej kub ntxhov) lossis ua rau hluav taws kub hnyiab (txhuas cov xov hlau thiab cov kab hluav taws xob muaj kev nyuab siab heev). Tshaj li qhov tso cai ntawm cov khoom tsis huv, xws li leej faj, yuav ua rau cov hlau tsis tas yuav tawg. Cov hlau qis yuav tsis tau txais qhov hnyav thiab lub zog txaus rau, piv txwv li, rauj rau tes rau hauv ntoo.
Cov no thiab ntau lwm yam ntxiv tau saib xyuas los ntawm cov kws tshwj xeeb, tshuaj xyuas raws li GOST. Hlau pas nrig qhov hnyav thiab txoj kab uas hla tau tswj hwm los ntawm GOST 2590-88 . Cov hlau hlau tau tsim nrog qhov zoo ib yam (C) thiab siab (B) qhov tseeb ntawm qhov taub thiab qhov hnyav. Dov oval yuav tsum tsis txhob ntau tshaj ib nrab ntawm qhov siab tshaj qhov sib txawv hauv txoj kab uas hla.
Qhov nkhaus ntawm cov hlau tsis tshaj 0.2% ntawm nws qhov ntev. Qhov ntsuas no tau txiav txim siab ntawm ntu tsawg kawg 1 m, nyob deb ntawm ntau dua 1.5 m los ntawm ntug.
Qhov hnyav ntawm 1 meter ntawm 8-mm steel hlau pas nrig raws li GOST yog 395 g . Rau 9 mm - 499, rau 10 mm qhov hnyav tshwj xeeb ntawm lub ntsuas ntsuas - 617 g. Cov pas hlau yuav tsum tsis txhob tawg ntawm 180 ° khoov (tig ntawm tus pas nrig hauv qhov kev coj rov qab). Nrog ib zaug khoov, microcracks yuav tsum tsis txhob tsim. Txoj kab uas hla ntawm tus lej fais fab, los ntawm cov hlau xaim raug tshuaj xyuas rau khoov, yog sib npaug ntawm txoj kab uas hla ntawm nws ntu.
Ua li cas
Kev tsim cov hlua hlau yog ib txoj hauv kev yooj yim tshaj plaws ntawm txoj hlua hlau. Yooj yim muab, dov hlau - ib puag ncig cov duab uas nws txoj kab uas hla, tsis zoo li cov yeeb nkab, tsawg dua 1 cm . Nws tsis muaj kev nkag siab los tsim cov xov hlau ntawm ntu ntu loj dua (tshwj tsis yog kev txhawb nqa mus txog ob peb cm txoj kab uas hla): tus nqi ntawm cov hlau thiab lawv cov hlau phom yuav siab heev.
Cov ntawv sau nyob rau hauv daim ntawv ntawm qhov ntev, ntau-meter bar yog dov tawm ntawm lub tshuab ntxhua khaub ncaws-conveyor . Cov hlau lossis cov hlau ua kom sov thiab ncab, dhau los ntawm phau ntawv qhia uas qhia txog ntu thiab txoj kab uas hla. Cov pas nrig liab liab kub tau raug mob rau ntawm cov hlua ntawm lub tshuab winding, uas ua rau lub nplhaib-kauj.
Kev txias txias tuaj yeem ua rau cov khoom ua los ntawm cov hlau xaim nyuam qhuav tau kos. Ua kom nrawm - tshuab los yog raus dej hauv dej - yuav muab cov hlau lossis hlau ua kom muaj zog ntxiv.
Free-cooled wire rod tsis raug ntsuas rau cov ntsiab lus loj . Nrog ua kom txias txias, raws li GOST, nws qhov sib faib yuav tsum tsis pub ntau tshaj 18 kg ib tuj ntawm cov khoom tiav. Cov nplai yog chipped ob qho tib si hauv tshuab (siv txhuam txhuam hlau, ntsuas hluav taws xob), lossis siv tshuaj (hla cov hlau dhau los ntawm cov tshuaj sulfuric acid). Kev siv cov concentrated sulfuric acid sai thiab yooj yim txo cov nplai, tab sis kuj ua rau ntu ntu muaj txiaj ntsig ntawm cov xaim hlau.
Txhawm rau tshem tawm cov txiaj ntsig ntawm cov hlau nrog hydrogen thiab tiv thaiv kom pom qhov nkig thaum lub sij hawm khawb, sodium orthophosphate, cov lus ntsev thiab lwm yam ntsev tau siv, uas ua rau qeeb qeeb dhau ntawm xeb ntawm cov hlau thaum nws ua.
Saib
Cov txheej txheej siv rau tus pas hlau yog ua los ntawm cov tshuaj tsuag kub los yog anodizing. Hauv thawj kis, kub zinc hmoov tau thov rau cov hlau hlau, los ntawm qhov teev (hlau peroxide) tau raug tshem tawm yav tas los.
Qhov no yog li cas cov xaim galvanized tau txais. Cov txheej txheem xav tau qhov kub ntawm 290-900 ° C, nws hu ua diffuse.
Zinc kuj tseem siv los ntawm anodizing, yaj cov zinc uas muaj ntsev, piv txwv li, zinc chloride, hauv cov electrolyte . Ib qho tam sim no tau dhau los ntawm kev sib xyaw. Ib txheej ntawm cov xim hlau zinc tau tso tawm ntawm cathode, thiab ntawm anode, qhov no, tshuaj chlorine, uas tau txiav txim siab los ntawm tsw ntxhiab hauv qhov chaw kuaj mob. Tooj tooj liab plating ntawm txhuas (kom txuag tooj liab) tseem ua los ntawm anodizing. Kev nthuav dav ntawm daim ntawv thov tooj liab-txuas cov txhuas txhuas yog cov kab hluav taws xob rau cov txheej txheem qis-tam sim no, piv txwv li, tes hauj lwm kev ruaj ntseg thiab hluav taws tswb tshuab thiab saib xyuas video.
Txoj hauv kev txias suav nrog kev thov txheej txheej tiv thaiv rau cov xaim hlau uas nyuam qhuav tau descaled. Cov tshuaj polymer (organic) muaj pes tsawg leeg ua raws li lub hauv paus, tab sis cov xov hlau zoo li ntshai ntawm qhov kub siab dhau ob peb kaum degrees saum toj no xoom.
Cov txheej txheem roj-hloov pauv tso cai rau galvanizing cov khoom ua los ntawm cov hlau ntawm txhua yam. Nws lub hauv paus ntsiab lus ntawm kev ua haujlwm yog ua raws li cov dej ntws zoo ntawm cov tshuaj tsuag tsuag.
Kub dip galvanizing yog txoj hauv kev zoo tshaj . Kub-dip galvanized bar yuav kav ntev dua li cov khoom qub uas ua tiav los ntawm lwm txoj hauv kev. Rau qhov no, xaim hlau lossis lwm yam khoom tau muab tso rau hauv chav da dej uas zinc yaj. Tom qab rho tawm, zinc tau oxidized, tom qab ntawd carbon dioxide tau ntxiv, thiab zinc oxide tau hloov pauv mus ua zinc carbonate.
Thaum kawg ntawm cov txheej txheem tsim khoom, cov pas nrig ua tiav tau xa mus rau cov khw muag khoom, cov lag luam muag khoom lag luam (piv txwv li, cov tuam txhab tsim kho) lossis xa mus rau lwm lub tsev tsim khoom uas tsim cov ntsia hlau thiab hlau. Rau cov tib neeg, cov xaim xaim tau muag hauv txoj kab uas hla tsawg dua 8 hli thiab hauv qhov ntau me me ntau dua li cov khw muag khoom.
Cov hlua hlau hlau, raws li GOST 30136-95, tau tsim tawm raws li ntsuas, tsis ntsuas thiab ntau zaus ntau dua li qhov ntsuas.
Qhov ntev ntawm tus pas nrig yog txiav txim siab los ntawm cov hlau.
Rau cov pa roj carbon tsawg, cov kuav los tiag muaj qhov ntev ntawm 2-12 m: tsawg dua cov pa roj carbon muaj nyob hauv cov hlau, qhov ntau dua nws yog. Cov hlau uas muaj cov ntsiab lus siab tau tsim nyob rau hauv daim ntawv ntawm 2-6 m. Cov pa roj carbon siab, uas yog qhov zoo, tso cai tsim cov pas nrig ntawm 1-6 m.
Pom zoo:
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Cov tsom iav kev nyab xeeb muaj yam ntxwv zoo li cas? Lawv lub hom phiaj yog dab tsi? Tam sim no muaj ntau yam dab tsi hauv khw? Cov iav, tiv thaiv huab cua thiab cov iav tsom iav rau kev tiv thaiv qhov muag, Lucerne thiab lwm yam qauv rau kev ua haujlwm - lawv txawv li cas, qhov twg yog qhov zoo dua, yuav xaiv li cas? Kev piav qhia ntawm hom nrov "Lucerne" thiab "Panorama"
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Galvanized hlau yog ib qho ntawm ntau hom khoom siv hlau thiab yog qhov xav tau zoo hauv ntau yam haujlwm ntawm tib neeg kev ua. Koj lub hom phiaj twg koj xav tau cov hlau thiab lwm cov xov hlau nrog txoj kab uas hla ntawm 2-3 hli thiab 4-5 hli, 6-8 hli? Hom twg yog nws? Yuav xaiv qhov tuab li cas?