Cia thiab xeb tshem tawm ntawm Square Tube Tshooj

Tianjin Lefin Industrial Co., Ltd yog ib qho ntawm cov tuam txhab kev paub ntau tshaj plaws thiab cov chaw muag khoom ntawm kev cia thiab xeb tshem tawm cov square raj seem hauv Suav teb. Thov koj xav tias dawb mus yuav zoo cia thiab xeb tshem tawm cov square raj seem ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.

Lub hom phiaj tseem ceeb ntawm kev khaws cia cov kav dej square thiab duab plaub (square / rectangular steel tubes) yog los tiv thaiv xeb, deformation, cuam tshuam kev puas tsuaj, thiab corrosion.

Txoj kev npaj khaws cia yuav tsum tau ua raws li lub sijhawm khaws cia, qhov chaw ntawm qhov chaw, thiab hom yeeb nkab, thiab cov hauv qab no yog cov kev ua haujlwm tiav thiab kev ceev faj:

• Haum rau nyias- cov kav dej, cov kav dej galvanized, cov kav hlau tsis muaj steel, thiab siab - tus nqi precision square thiab square steel raj. Qhov yuav tsum tau muaj yog tias lub qhov rooj thiab qhov rais raug kaw thiab nruab nrog cov cuab yeej ua pa kom tswj tau qhov chaw qhuav tsis muaj dej.
• Qhib lub qhov cua thiab dehumidification cov cuab yeej nyob rau hnub tshav ntuj, kaw lub qhov rooj thiab qhov rais rau hnub los nag kom tsis txhob ya raws, thiab cov txheeb ze av noo nyob rau hauv lub warehouse yuav tsum tau tswj kom qis dua 60%.
• Cov av yuav tsum tau hardened nrog xis mas kom tsis txhob ya raws seepage.

• Qhov nruab nrab - qhov loj thiab zoo tib yam carbon steel square thiab square steel raj tuaj yeem muab khaws cia rau hauv ib lub vov tsev. Nws yog ib qho tsim nyog los xyuas kom meej tias muaj cov npog saum toj thiab lub hauv paus tsa hauv qab, thiab lub hau npog sab saum toj yuav tsum ua kom tiav yam tsis muaj qhov xau.
• Khaws cov chaw nyob ib puag ncig kom muaj cua zoo kom tsis txhob muaj dej vapor txuam rau ntawm cov kav dej.

• Tsuas yog tsim nyog rau luv luv - lub sij hawm hloov pauv ntawm loj - txoj kab uas hla tuab - cov pa roj carbon steel square thiab cov kab plaub hau. Qhov chaw yuav tsum nyob rau hauv qhov chaw siab nrog cov kua dej du, tsis muaj cov dej txuam nrog cov chaw tuag, thiab tsis txhob qis - thaj chaw uas muaj dej nyab.
• Yuav tsum tsim kom muaj lub vaj tse uas muaj kev tiv thaiv kom tsis txhob raug tshav ntuj ncaj qha thiab raug los nag tsis muaj npog.

Nyob rau hauv txhua qhov xwm txheej, nws yog nruj me ntsis txwv tsis pub rau cov square thiab square steel raj kom ncaj qha rau hauv av. Lub capillary noo nyob rau hauv av yog lub ntsiab ua rau hauv qab rusting:

• Sab hauv tsev cement pem teb: tsa 0.1m (ntoo planks, yas pads, square steel siv tau)
• Hauv pem teb av nplaum: tsa 0.2 ~ 0.5m
• Sab nraum zoov cement av: tsa 0.3 ~ 0.5m
• Sab nraum zoov xuab zeb av hauv av: Tsa 0.5 ~ 0.7m
• Cov ntaub qhwv yuav tsum tiaj tus thiab ruaj khov, sib npaug ntawm qhov ntev ntawm cov yeeb nkab, nrog qhov sib nrug ntawm tsis pub tshaj 1.5m kom ntseeg tau tias kev sib faib quab yuam tsis muaj dabtsi yog khoov.

Ua raws li lub hauv paus ntsiab lus ntawm "lub teeb rau saum, hnyav hauv qab, txheej-los ntawm- txheej txheej, nruj me ntsis tswj qhov siab". Txhawm rau kom tsis txhob deformation ntawm cov kav dej qis vim yog qhov siab:

• Kev tuav haujlwm stacking qhov siab: tsis pub ntau tshaj 1.2m
• Mechanical lag luam stacking qhov siab: tsis pub tshaj 1.5m
• Nyias-walled square thiab rectangular steel tubs (phab ntsa thickness Tsawg dua los yog sib npaug li 3 hli): stacking txheej yuav tsum tsis pub tshaj 3 txheej
• Loj -diameter tuab- cov kav dej uas muaj phab ntsa: nws raug pom zoo kom muab tso rau hauv ib lossis ob txheej
• Qhov dav ntawm pawg yuav tsum tswj tsis pub dhau 2.5m txhawm rau tiv thaiv qhov chaw ntawm lub ntiajteb txawj nqus los ntawm kev hloov thiab ua rau lub cev qhuav dej

• Tuav ib qho 0.5m-kev soj ntsuam dav dav ntawm pawg, thiab 1.5 ~ 2m- dav dav nkag mus rau kev tshuaj xyuas thiab kev ua haujlwm forklift.
• Tsom ntsoov rau tib qhov kev qhia tshwj xeeb thiab batch ntawm cov kav dej rau stacking, kho cov ntaub qhwv ntoo vertically ntawm tib txoj kab ntsug kom tsis txhob muaj kev ntxhov siab hauv zos ua rau ntu deformation (pav yeeb nkab, rhombic deformation).
• Rau ntev - cov kav dej ntev (＞6m), cov ntoo txhawb nqa ntxiv yuav tsum tau ntxiv rau hauv nruab nrab, nrog rau ib qho txhua 2 ~ 3m, txhawm rau tiv thaiv tus kheej - hnyav dabtsi yog khoov.

1. Kev sib npaug ntawm qhov cua thiab npog: Thaum muab tso rau sab nraum zoov lossis hauv qhov chaw cia khoom, cov ntaub npog (cov ntaub los nag, cov ntaub thaiv dej tsis muaj dej) yuav tsum tau ruaj khov thiab xau{0}} pov thawj; Lub npog yuav tsum tsis txhob muab kaw kom tiav, thiab qhov sib txawv ntawm qhov cua yuav tsum tau tshwj tseg kom tsis txhob muaj dej vapor tsis tuaj yeem evaporate thiab accumulating rau saum npoo, accelerating rusting.
2. Cov ntsiab lus rau cov yeeb nkab kawg kom tsis txhob ya raws: Nws raug nquahu kom tshem tawm cov yas tiv thaiv npog ntawm cov yeeb nkab kawg tom qab stacking kom tsis txhob muaj dej tsub zuj zuj hauv qhov khoob ntawm lub hau tiv thaiv thiab cov yeeb nkab phab ntsa uas nyuaj rau evaporate, ua rau lub zos rusting ntawm cov yeeb nkab kawg.
3. Deg ua ntej-kev kho mob:· Cov pa roj carbon steel yeeb nkab ua ntej nkag mus rau hauv lub tsev khaws khoom tuaj yeem sib xyaw nrog cov tshuaj tiv thaiv - xeb roj los yog pleev xim rau cov tshuaj tiv thaiv - xeb primer, txuas ntxiv lub sijhawm cia.                                                                                            · HauvCov ntug hiav txwv dej thiab lub caij ntuj nag nrog cov av noo siab, cov ntaub nplaum tsis muaj dej tuaj yeem raug mob nyob ib puag ncig txheej txheej, nrog rau kev siv desiccant.
4. Tsis txhob sib cuag nrog cov khoom paug: Cov chaw cia khoom yuav tsum tsis txhob muaj cov kua qaub, alkaline, roj, lossis cov khoom siv tooj liab uas muaj corrosive los ntawm cov hlau los tiv thaiv qhov chaw ntawm cov kav dej kom tsis txhob muaj kab mob thiab ua kom xeb sai.

• Cov kav dej carbon steel, cov kav dej galvanized, thiab cov kav hlau tsis muaj steel yuav tsum tau muab cais rau hauv ntau qhov chaw thiab yuav tsum tsis txhob sib cuag ncaj qha. Kev sib cuag ntawm cov hlau sib txawv yuav ua rau electrochemical corrosion, accelerating aging ntawm cov kav dej.
• Cov kav dej uas muaj kev kho deg sib txawv (cov kav dej dub, galvanized, pleev xim, polished) yuav tsum tau muab sib cais kom tsis txhob khawb thiab khawb ntawm cov txheej.

• stack raws li sab ntev, phab ntsa thickness, ntev, thiab ntau lawm batch. Dai ib daim ntawv lo rau ntawm txhua pawg, qhia qhov tshwj xeeb, cov khoom siv, kom muaj nuj nqis, thiab hnub nkag, kom tsis txhob sib xyaw thiab xa khoom tsis raug.

• Muab cov khoom siv tib lub kav dej kom nkag mus. Ua raws li thawj-hauv-thawj- tawm hauv paus ntsiab lus kom tsis txhob ntev- lub sij hawm tsub zuj zuj thiab tshaj- khaws cia ntawm ib pawg ntawm cov kav dej.

1. Kev tshuaj xyuas tsis tu ncua:Tshawb xyuas tsawg kawg ib hlis ib zaug, tsom rau kev kuaj xyuas cov dej noo, xeb, thiab cov dej sib xyaw hauv qab, cov yeeb nkab kawg, thiab hauv qab npog. Xyuas seb cov ntoo txhawb nqa puas xoob los yog tog.
2. Kev tshem tawm thiab tiv thaiv xeb raws sij hawm: Tam sim ntawd ntxuav cov pob zeb me me nrog cov ntawv xuab zeb lossis xeb tshem tawm, rov qab siv cov tshuaj tiv thaiv - xeb los yog tshuaj tiv thaiv - xeb xim los tiv thaiv cov pob xeb los ntawm kev nthuav dav.
3. Pom zoo lub sijhawm cia

• Ordinary carbon steel kav: Tsis pub ntau tshaj 6 lub hlis
• Kub galvanized, coated los tiv thaiv- cov kav dej xeb: Tsis pub dhau 12 lub hlis
• Stainless hlau kav: tuaj yeem khaws cia rau 12-18 lub hlis hauv qhov chaw qhuav

Tshaj - khaws cia yuav ua rau muaj kev pheej hmoo ntawm xeb thiab deformation. Txawm hais tias ib puag ncig zoo, qhov zaus ntawm kev tshuaj xyuas yuav tsum tau nce ntxiv.

• Txwv tsis pub cia nyob rau hauv qis - thaj chaw dej dag lossis ze qhov chaw dej / cov kav dej.
• Txwv tsis pub stacking tshaj qhov siab thiab dav txwv. Tsis txhob muab cov khoom hnyav rau ntawm cov yeeb nkab.
• Txwv tsis pub muab cov kav dej sib txawv thiab cov khoom siv ua ke. Tsis txhob muab cov kav dej loj rau saum cov me me.
• Txwv tsis pub khaws cov kav dej tag nrho uas tsis yog- aerated yas zaj duab xis. Qhov no yog qhov yooj yim rau ya raws thiab rusting.
• Txwv tsis pub muab pov tseg, rub, lossis tsoo thaum tuav thiab sib tsoo kom tsis txhob muaj cov yeeb nkab qhib raug puas tsuaj, deformation ntawm cov txheej tiv thaiv - xeb.

Cov hauv qab no muab cov haujlwm tshem tawm xeb thiab tiv thaiv cov kauj ruam tom ntej rau cov xeb me me thiab nruab nrab ntawm cov pa roj carbon steel, kub galvanized, thiab stainless hlau kav, feem.

Cov no yog cov tswv yim ntawm - cov txheej txheem ntawm qhov chaw uas tuaj yeem siv tau; rau xeb loj (qhov tseem ceeb ntawm phab ntsa thickness txo, perforation, loj - cheeb tsam dents thiab deformation), nws tsis pom zoo kom kho, tab sis yuav tsum downgrade los yog khawb cov kav dej.

Hom xeb ntau tshaj plaws ntawm cov pa roj carbon steel square thiab cov kab plaub hau yog cov xeb xeb. Nws tau muab faib ua ob theem rau kev kho mob. Lub hauv paus ntsiab lus tseem ceeb yog: kev tshem tawm xeb → tam ​​sim ntawd sealing → zam kev nqus noo noo theem nrab.

Cov cuab yeej yuav tsum tau: zoo tib yam steel hlau txhuam, 80-120 mesh sandpaper, qhuav plua plav-dawb ntaub, txhuam cov kauj ruam ua haujlwm:

1. Ua ntej, siv cov txhuam txhuam txhuam kom rov ua kom qhuav txhuam raws axial kev taw qhia ntawm cov khoom siv yeeb nkab kom tshem tawm cov xeb, plua plav, thiab cov av xoob. Tsom ntsoov rau kev ntxuav cov ces kaum tuag xws li cov yeeb nkab kawg thiab cov chaw sib cuag nrog cov ntaub qhwv ntoo.
2. Siv cov ntawv xuab zeb los txhuam cov xeb ntxiv - cov xim xim, kom txog rau thaum cov xim hlau yog xim sib npaug. Tsis tas yuav tsum tau polishing ntau dhau.
3. Siv daim ntaub qhuav kom huv si ntxuav cov hmoov xeb ntawm qhov chaw kom tsis txhob muaj cov khoom seem.
4. Tsis pub dhau 1 teev tom qab tshem tawm cov xeb, ua kom tiav kev kho: Siv cov txhuam txhuam kom sib npaug ntawm cov tshuaj tiv thaiv- xeb roj (xws li calcium-raws li tiv thaiv- xeb roj, hnyav-raws li tiv thaiv- xeb roj), lossis tshuaj tsuag sai - ziab los tiv thaiv- xeb primer, kom npog tag nrho.

Cov cuab yeej xav tau:Hlau txhuam, lub kaum sab xis grinder (nrog steel hlau log), 60-80 mesh sandpaper, xeb tshem tawm (phosphate-raws li nruab nrab xeb tshem tawm), dej, ntaub qhuav, tiv thaiv xeb primer + topcoat Cov kauj ruam ua haujlwm:

1. Ua ntej, siv cov txhuam hlau los yog lub kaum sab xis los txhuam tawm cov txheej xeb tuab, tshem tawm cov xeb xeb thiab xoob xoob txheej. Nco ntsoov tswj lub zog kom tsis txhob sib tsoo ntau dhau uas yuav ua rau cov phab ntsa thickness txo.
2. Rau cov stains uas seem hauv lub qhov, siv cov xuab zeb tshem tawm, cia nws sawv ntsug li 5 mus rau 10 feeb kom txog thaum cov txheej xeb yaj thiab loosens, ces siv cov ntawv xuab zeb los txhuam nws.
3. Tshem tawm cov xeb uas tseem tshuav nrog dej huv, cia nws qhuav tag (nws pom zoo kom cia nws qhuav rau 24 xuab moos lossis siv lub tshuab ziab plaub hau kom qhuav). Xyuas kom meej tias tsis muaj dej noo ntawm qhov chaw.
4. Ua ntej, siv ib txheej ntawm cov tshuaj tiv thaiv- xeb primer (epoxy zinc-nplua nuj primer los yog liab lead anti- xeb xim yog ob qho tib si siv tau), cia nws qhuav tag ua ntej siv lwm txheej xim rau nws. Cov txheej txheej yuav tsum txuas ntxiv 2 mus rau 3 cm dhau ntawm qhov chaw xeb.

Lus Ceeb Toom

• Kev tshem tawm xeb yuav tsum tau ua nyob rau hnub tshav ntuj nrog cua qhuav. Kev ua haujlwm raug txwv tsis pub rau hnub los nag, pos huab lossis hnub ntub heev.
• Tom qab kev kho mob, cov khoom siv yeeb nkab yuav tsum tsis txhob raug dej los yog hmoov av hauv 48 teev. Lawv yuav tsum tau muab tso rau tom qab cov txheej txheem tiv thaiv tau kho tag nrho.
• Yog tias thaj tsam xeb ntau dua 30% ntawm thaj chaw ntawm ib lub yeeb nkab, nws raug nquahu kom siv cov tshuaj tiv thaiv xeb rau tag nrho cov yeeb nkab kom tsis txhob muaj xim sib txawv thiab kev tiv thaiv tsis sib xws tom qab kho hauv zos.

Cov xeb ntawm cov raj galvanized feem ntau yog cov xeb hauv zos los ntawm khawb los yog cuam tshuam rau cov txheej. Lub hauv paus ntsiab lus tseem ceeb yog khaws cov zinc txheej zoo li ntau li ntau tau thiab tsuas yog kho qhov chaw puas, siv zinc ntxiv es tsis txhob kho cov xim zoo nkauj.

Muaj cov xwm txheej: Kev puas tsuaj hauv cheeb tsam rau txheej txheej, taw tes -zoo li / thaj- zoo li cov kab xeb, nrog cov zinc txheej nyob ib puag ncig

Kev npaj cuab yeej: Nylon txhuam / steel hlau txhuam (tsis txhob siv cov pa roj carbon zoo tib yam), 400-600 mesh nplua xuab zeb, ntaub qhuav, txias galvanized spray agent (nrog cov ntsiab lus zinc ntau dua lossis sib npaug li 96%) / zinc-nplua nujprimer

Cov kauj ruam ua haujlwm:

1. Maj mam tshem tawm cov xeb thiab cov khib nyiab los ntawm qhov chaw puas tsuaj uas siv cov nylon txhuam, tsuas yog xuab zeb cov cheeb tsam nrog xeb, thiab nruj me ntsis txwv tsis pub loj- nplai xuab zeb ntawm cov txheej galvanized nyob ib ncig ntawm nws kom tsis txhob muaj zinc txheej ntxiv.
2. Maj mam xuab zeb cov npoo ntawm thaj tsam xeb nrog cov ntawv xuab zeb zoo kom ua tiav qhov kev hloov pauv ntawm thaj chaw puas thiab cov txheej zinc tsis zoo, thiab tshem tawm cov burrs.
3. So cov plua plav saum npoo av nrog daim ntaub qhuav kom ntseeg tau tias nws qhuav thiab tsis muaj roj stains.
4. Sib tov tus neeg sawv cev txias galvanized, txau nws sib npaug ntawm qhov deb ntawm 20-30 cm los ntawm cov yeeb nkab, siv 2-3 txheej nyias, nrog lub sijhawm ntawm 5-10 feeb ntawm txhua txheej, thiab cov tshuaj tsuag yuav tsum ntev li 1-2 cm dhau ntawm ntug kev puas tsuaj.
5. Yog tias tsis muaj cov tshuaj tsuag galvanized txias, koj tuaj yeem siv epoxy zinc -nplua nuj primer hloov, nrog cov ntsiab lus zinc ntawm Ntau dua lossis sib npaug li 80% kom ntseeg tau tias muaj kev tiv thaiv cathodic.

Lus Ceeb Toom

• Nws yog nruj me ntsis txwv tsis pub siv cov pa roj carbon zoo tib yam hlau txhuam txhuam kom huv si xuab zeb. Qhov no yuav khawb thaj tsam loj ntawm cov zinc txheej tsis zoo, yog li ua kom cov corrosion nyob ib puag ncig nws.
• Thaum lub cheeb tsam loj ntawm zinc txheej ntawm cov yeeb nkab galvanized tau poob, tig dawb, thiab yog xeb heev, cov nyhuv zinc supplementation yuav raug txwv. Nws raug nquahu kom txo qis rau kev siv tsis yog -cov xwm txheej tiv thaiv corrosion.
• Tom qab zinc ntxiv, tsis txhob raug los nag lossis ntub dej tam sim ntawd. Nws yuav tsum tau sab laug nyob rau hauv chav tsev kub rau 24 teev kom txog thaum lub txheej yog tag nrho kho.

Cov xeb ntawm cov hlau tsis muaj steel square thiab cov raj duab plaub feem ntau yog xeb los yog taw tes xeb tshwm sim los ntawm cov pa roj carbon hlau sib kis. Lub hauv paus ntsiab lus tseem ceeb yog: Tsis txhob siv cov cuab yeej carbon steel kom tsis txhob muaj cov pa roj carbon steel sib kis thiab xeb. Tom qab xeb tshem tawm, ua passivation thiab sealing.

Kev npaj cuab yeej: Stainless hlau -txheej hlau txhuam, microfiber daim ntaub, nruab nrab ntxuav, dej, ntaub qhuav

Cov kauj ruam ua haujlwm:

1. Muab ib daim ntaub microfiber rau hauv nruab nrab lub tshuab ntxhua khaub ncaws thiab so raws li kev ntxhib los mos ntawm cov yeeb nkab kom tshem tawm cov stains thiab xeb.
2. Yaug kom huv si nrog dej huv thiab qhuav tam sim ntawd nrog daim ntaub qhuav kom tsis txhob muaj cov cim dej los ntawm kev tsim cov pob zeb.
3. Yog tias tseem muaj xim sib txawv me ntsis, siv stainless hlau ntxuav muab tshuaj txhuam los yog passivation paste rau polish thiab rov ua kom lub ntsej muag ci.

Cov cuab yeej yuav tsum tau: Stainless hlau txhuam, stainless hlau xeb tshem tawm / passivation muab tshuaj txhuam, 600 mesh los yog siab dua zoo sandpaper, dej huv, ntaub qhuav, stainless hlau passivation tus neeg saib xyuas

Kev ua haujlwmcov kauj ruam:

1. Maj mam txhuam cov pob zeb nrog cov hlau tsis muaj hlau txhuam kom tshem tawm cov xeb txheej txheej. Tsis txhob siv cov pa roj carbon steel hlau txhuam zoo tib yam li lawv tuaj yeem embed carbon steel hais rau hauv stainless hlau nto, ua rau muaj xeb ntau dua.
2. Siv lub stainless hlau xeb tshem tawm tusyees thiab cia nws sawv ntsug li 3 mus rau 5 feeb (hloov lub sij hawm raws li qhov tob ntawm cov pob zeb xeb. Tsis txhob tshaj lub sij hawm kom tsis txhob corroding lub hauv paus khoom).
3. Ua tib zoo yaug tawm cov xeb tshem tawm nrog dej huv, qhuav nws, thiab xyuas seb cov kab xeb puas tau raug tshem tawm. Yog tias tsis yog, rov ua cov txheej txheem ib zaug.
4. Tom qab kev tshem tawm xeb tiav, thov ib txheej ntawm stainless hlau passivator los yog siv passivator muab tshuaj txhuam rau kev kho mob passivation los tsim cov yeeb yaj kiab tiv thaiv thiab txhim kho kev tiv thaiv - xeb muaj peev xwm.

Cov ntawv sau rau Attentio n

• Kev cia ntawm cov kav hlau stainless yuav tsum raug cais tawm ntawm cov kav dej carbon steel. Nws yog txwv tsis pub muaj kev sib cuag ncaj qha nrog carbon steel forklifts lossis steel hlau ropes kom tsis txhob muaj hlau ion paug.
• Rau cov kav dej stainless hlau siv nyob rau hauv ntug dej hiav txwv los yog siab -cov tshuaj tsuag ntsev ib puag ncig, nws raug nquahu kom ua qhov chaw tu thiab kev saib xyuas kev noj qab haus huv txhua txhua 3 lub hlis txhawm rau txuas ntxiv lub sijhawm tiv thaiv - xeb.

1. Kev Tiv Thaiv Tus Kheej: Thaum lub sijhawm ua haujlwm tshem tawm xeb, hnav hnab looj tes, tsom iav, thiab daim npog ntsej muag kom tiv thaiv kev ua xua rau ntawm daim tawv nqaij thiab ua pa tawm ntawm cov hmoov xeb thiab xeb tshem tawm.
2. Environmental Requirements: Txhua qhov kev tshem tawm xeb thiab kho cov haujlwm yuav tsum tau ua nyob rau hauv qhov chaw qhuav thiab qhov cua. Tsis txhob raug los nag thiab condensation hauv 24 teev tom qab ua haujlwm.
3. Stacking Requirements: Tom qab ua tiav cov khoom siv yeeb nkab tiav, thaum stacking, hloov nrog cov pallets qhuav los tiv thaiv re- xeb los ntawm hauv qab; thiab kos lawv kom raug, ua ntej lawv tso tawm rau kev khaws cia.
4. Cov ntaub ntawv khaws cia thiab taug qab: Rau txhua pawg ntawm kev tshem tawm xeb thiab kho ua haujlwm, ua cov ntaub ntawv ntxaws ntxaws, suav nrog hnub ua haujlwm, qib ntawm xeb, thiab cov txheej txheem. Tsom ntsoov rau kev taug qab thaum kuaj xyuas tom ntej.