Hauv kev lag luam tsiaj txhu, steel - cov txheej txheem qaib coops tau txais txiaj ntsig zoo rau lawv qhov zoo xws li kev tsim kho sai, kev siv qhov chaw siab, thiab cov qauv ruaj khov. Txawm li cas los xij, cov yam ntxwv ntawm ib puag ncig hauv cov qaib coops, suav nrog cov av noo siab, cov pa phem xws li ammonia, thiab qhov kub thiab txias hloov pauv, ua rau muaj kev txwv nruj rau kev ua haujlwm ntev thiab thermal rwb thaiv tsev ntawm cov qauv hlau. Los ntawm kev sib koom ua ke los tiv thaiv - corrosion thiab thermal rwb thaiv tsev ntsuas, cov hlau ruaj khov - cov qaib coops tuaj yeem tsim tau, muab qhov chaw loj hlob zoo rau cov nqaij qaib thiab txo cov nqi ua liaj ua teb.
I. Corrosion and Thermal Insulation Challenges Faced by Steel - structured Chicken Coops
(I) Corrosion Challenges
1. Kev cuam tshuam ntawm cov av noo
Cov av noo hauv qaib coops feem ntau yog siab. Tshwj xeeb tshaj yog thaum lub sij hawm siab - kub los yog thaum cua tsis zoo, dej vapor condenses rau saum npoo ntawm steel qauv los ua ib tug dej zaj duab xis, tsim tej yam kev mob rau lub electrochemical corrosion ntawm hlau. Lub sij hawm ntev raug rau qhov chaw ntub dej yuav ua rau cov hlau ntog maj mam xeb, ua rau txo qis ntawm cov qauv tsim.
2. Ammonia Corrosion
Lub decomposition ntawm nqaij qaib excrement generates ib tug loj npaum li cas ntawm ammonia. Ammonia dissolves nyob rau hauv dej los tsim ib tug alkaline kua, uas reacts chemically nrog hlau, accelerating lub corrosion ntawm cov hlau. Kev xeb ntawm cov qauv hlau los ntawm ammonia tsis tsuas yog cuam tshuam rau nws cov tsos, tab sis, qhov hnyav dua, ua rau lub nra hnyav - bearing peev xwm ntawm cov qauv, ua rau muaj kev phom sij rau kev nyab xeeb ntawm cov qaib coop.
(II) Thermal Insulation Challenges
1. Kev kub ntxhov loj
Qhov kub hauv qaib coops tuaj yeem hloov pauv tau vim qhov kub thiab txias sib txawv ntawm nruab hnub thiab hmo ntuj thiab lub caij hloov pauv. Nyob rau hauv lub caij txias, yog tias thermal rwb thaiv tsev ntsuas tsis txaus, cua sov hauv cov nqaij qaib coop yuav ploj mus, nce nqi cua sov. Ntxiv mus, qhov qis - qhov kub thiab txias tsis haum rau kev loj hlob ntawm cov nqaij qaib. Nyob rau lub caij ntuj sov, yog tias cov rwb thaiv tsev tsis zoo, cov cua sov sab nraud yuav nkag mus rau hauv cov nqaij qaib coop, ua rau qhov kub thiab txias, uas cuam tshuam rau kev noj qab haus huv thiab kev ua haujlwm ntawm cov nqaij qaib.
2. Zog - txuag Cov Kev Xav Tau
Nrog rau kev nce nqi hauv kev ua liaj ua teb, lub zog - kev txuag tau dhau los ua qhov tseem ceeb hauv kev tsim cov qaib coops. Kev ua haujlwm zoo thermal rwb thaiv tsev tuaj yeem txo kev siv hluav taws xob, txo nqi ua liaj ua teb, thiab txhim kho kev lag luam.
II. Anti - Kev ntsuas corrosion
(I) Kev xaiv hlau
1. Corrosion - resistant Steel
Rau cov qauv hlau ntawm qaib coops, weathering steel tuaj yeem xaiv. In an atmospheric environment, weathering steel can form a dense and stable rust layer, which can prevent further corrosion of the steel by external corrosive media. Nws corrosion - resistant kev ua tau zoo yog qhov zoo dua li ntawm cov pa roj carbon zoo tib yam, ua kom muaj txiaj ntsig zoo rau kev pab cuam lub neej ntawm cov qauv hlau hauv cov qaib coop ib puag ncig.
2. Galvanized hlau
Kub - dip galvanized steel kuj yog ib qho kev xaiv. Tom qab kub - dip galvanizing kev kho mob, ib txheej zinc tuab yog tsim rau saum npoo ntawm cov hlau. Cov txheej zinc muaj cov khoom tiv thaiv electrochemical zoo heev. Txawm hais tias zinc txheej yog ib feem puas, nws tseem tuaj yeem tiv thaiv cov hlau substrate los ntawm kev txi anode, tiv thaiv cov hlau los ntawm xeb.
(II) Anti - Corrosion Txheej
1. Primer
Siv cov primer rau saum npoo hlau yog ib kauj ruam tseem ceeb hauv kev tiv thaiv - corrosion. Epoxy zinc - nplua nuj primer tuaj yeem xaiv. Nrog cov ntsiab lus zinc siab, nws tuaj yeem muab kev tiv thaiv cathodic rau cov hlau. Lub primer adheres nruj nreem rau cov hlau nto, tsim ib tug khoom barrier uas tiv thaiv dej thiab oxygen los ntawm kev sib cuag nrog hlau, yog li tiv thaiv corrosion los ntawm qhov chaw.
2. Intermediate Coat thiab Topcoat
Epoxy micaceous hlau oxide nruab nrab lub tsho tuaj yeem siv los ua lub tsho nruab nrab. Nws tuaj yeem ua kom lub thickness ntawm cov txheej thiab txhim kho kev tiv thaiv kev ua tau zoo ntawm cov txheej, ntxiv tiv thaiv kev nkag mus ntawm corrosive media. Rau topcoat, acrylic polyurethane topcoat nrog huab cua tsis zoo thiab tshuaj tiv thaiv raug xaiv. Nws tuaj yeem tsis tsuas yog tiv thaiv cov primer thiab nruab nrab lub tsho tiv no, tab sis kuj tiv thaiv kev yaig ntawm corrosive gases xws li ammonia nyob rau hauv qaib coop, thaum muab qhov zoo nkauj tsos. Tag nrho cov tuab ntawm tag nrho cov txheej txheej txheej yuav tsum tau hloov kho raws li qhov corrosion ntawm cov nqaij qaib coop ib puag ncig, feem ntau pom zoo kom tsis pub tsawg tshaj 150μm.
(III) Kev tsim qauv tsim kom zoo
1. Zam kev sib sau dej
Hauv kev tsim cov qauv hlau ntawm cov qaib coop, txoj kab nqes dej yuav tsum tau tsim kom tsim nyog los xyuas kom meej tias cov dej nag thiab cov dej huv ntawm lub ru tsev thiab hauv av tuaj yeem ntws tawm sai sai, tsis txhob muaj dej ntau ntxiv. Piv txwv li, txoj kab nqes dej ntawm lub ru tsev feem ntau tsis pub tsawg dua 5%, thiab hauv av yuav tsum tau nqes mus rau qhov dej ntws. Cov kwj deg yuav tsum tau ntxuav tsis tu ncua kom ntseeg tau tias cov dej ntws zoo.
2. Txo cov qhov khoob thiab qhov chaw tuag
Thaum tsim, sim txo qhov khoob thiab qhov chaw tuag ntawm cov qauv steel, vim tias cov cheeb tsam no tuaj yeem ua rau cov plua plav, dej vapor, thiab cov khoom siv corrosive, ua kom muaj corrosion. Rau qhov tsis tuaj yeem zam tau, cov khoom siv sealant yuav tsum tau siv rau kev kho sealing los tiv thaiv kev nkag mus ntawm corrosive media.
III. Thermal rwb thaiv tsev ntsuas
(I) Kev xaiv cov khoom siv rwb thaiv tsev thermal
1. Pob zeb Wool Sandwich Panels
Pob zeb wool sandwich panels yog ib qho ntawm cov ntaub ntawv zoo tshaj plaws rau qaib coop thermal rwb thaiv tsev. Pob zeb wool muaj kev ua haujlwm zoo thermal rwb thaiv tsev, nrog cov thermal conductivity tsawg uas tuaj yeem tiv thaiv kom tsis txhob muaj cua sov. Nyob rau tib lub sijhawm, qhov hluav taws kub - qhov ntsuas ntawm pob zeb wool tuaj yeem ncav cuag Chav A. Nyob rau hauv ib puag ncig flammable zoo li lub tawb qaib, nws tuaj yeem txhim kho hluav taws kub - kev nyab xeeb. Sab nrauv xim hlau phaj ntawm lub sandwich vaj huam sib luag tuaj yeem ua lub luag haujlwm tiv thaiv thiab kho kom zoo nkauj, thiab nws yog ib qho yooj yim rau nruab, ua rau kev tsim kho sai ntawm cov qaib coop.
2. Polyurethane Sandwich Vaj Huam Sib Luag (PU)
Polyurethane Sandwich panels muaj qhov zoo tshaj thermal rwb thaiv tsev kev ua tau zoo, nrog qis thermal conductivity dua li pob zeb wool sandwich panels. Lawv cov khoom tseem ceeb yog polyurethane ua npuas ncauj, uas yog sib xyaw nrog cov xim coated steel daim hlau ntawm ob sab. Tsis tsuas yog muab cov rwb thaiv tsev thermal, tab sis nws kuj muaj lub zog siab thiab kev ua haujlwm tsis zoo, tiv thaiv dej vapor los ntawm kev nkag mus rau hauv cov txheej txheem rwb thaiv tsev thiab cuam tshuam rau cov nyhuv rwb thaiv tsev. Nyob rau hauv cov nqaij qaib coops uas yuav tsum tau siab rau thermal rwb thaiv tsev thiab waterproofing, xws li yug me nyuam qaib coops los yog brooding coops, polyurethane sandwich panels yog ib tug zoo xaiv.
3. iav ntaub plaub
Cov iav ntaub plaub kuj yog ib qho khoom siv thermal rwb thaiv tsev. Ua los ntawm cov iav fibers, nws yog lub teeb yuag thiab muaj cov thermal conductivity tsawg, muab cov rwb thaiv tsev zoo. Ntxiv mus, iav ntaub plaub kuj raug nqi - zoo thiab yog dav siv nyob rau hauv qaib coops qhov twg tus nqi tswj yog nruj thiab ib tug tej theem ntawm hluav taws kub - yuav tsum tau (cov iav ntaub plaub muaj zoo hluav taws kub - kuj). Txawm li cas los xij, kev ua haujlwm rwb thaiv tsev ntawm iav ntaub plaub yuav poob qis thaum nws ntub, yog li noo noo - pov thawj ntsuas yuav tsum tau ua thaum siv.
(II) Thermal Insulation System Design
1. Rwb thaiv tsev rwb thaiv tsev
Nyob rau hauv lub ru tsev qauv, cov khoom siv thermal rwb thaiv tsev yog pw hauv qab lub ru tsev xim hlau phaj. Yog hais tias pob zeb wool sandwich panels los yog polyurethane sandwich panels yog siv rau lub ru tsev, cov sandwich panels yog ncaj qha ntsia rau ntawm lub ru tsev purlins. Kev saib xyuas yuav tsum tau ua kom ntseeg tau tias cov sandwich panels yog nruj nreem txuas kom tsis txhob muaj cua sov. Yog siv cov iav ntaub plaub, cov ntaub ntawv pov thawj - cov ntaub ntawv pov thawj tuaj yeem muab tso ua ntej, thiab tom qab ntawd cov iav ntaub plaub yog muab tso rau hauv nruab nrab ntawm lub ru tsev purlins thiab tsau nrog tshwj xeeb fasteners los xyuas kom meej tias cov rwb thaiv tsev txheej yog tiaj thiab tsis muaj voids.
2. Phab ntsa Thermal rwb thaiv tsev
Phab ntsa thermal rwb thaiv tsev tuaj yeem txais yuav ib qho sab nraud - dai lossis sab hauv - ua cov txheej txheem thermal rwb thaiv tsev. Sab nraud - dai thermal rwb thaiv tsev cuam tshuam nrog kev pasting lossis kho cov rwb thaiv tsev ntawm phab ntsa sab nraud thiab tom qab ntawd tsim cov txheej txheem sab nrauv. Sab hauv - ua thermal rwb thaiv tsev txhais tau tias teeb tsa cov txheej txheem rwb thaiv tsev hauv phab ntsa, xws li siv cov sandwich panels ua cov khoom siv phab ntsa. Txawm siv txoj kev twg los xij, nws yog ib qho tsim nyog los xyuas kom meej tias cov txheej txheem rwb thaiv tsev yog ruaj khov rau cov qauv phab ntsa. Nyob rau tib lub sijhawm, thermal rwb thaiv tsev thiab sealing kev kho mob yuav tsum tau nqa tawm ntawm qhov chaw xws li lub qhov rooj thiab qhov rais qhib kom txo tau cov cua sov.
(III) Qhov cua thiab cua sov rwb thaiv tsev tsim
1. Ntuj qhov cua
Qhov qhib qhov cua yuav tsum tau tsim tsim nyog kom ua tiav qhov cua zoo siv cov ntsiab lus ntawm thermal siab thiab cua siab. Qhov cua louvers lossis skylights yog teem rau ntawm txoj hauj lwm xws li cov phab ntsa gable thiab ru tsev ntawm cov qaib coop. Qhov chaw ntawm qhov qhib qhov cua yuav tsum tau txiav txim siab raws li thaj tsam ntawm cov qaib coop thiab qhov ntom ntom ntom ntom ntom. Kab - cov ntaub ntawv pov thawj yuav tsum tau muab tso rau ntawm qhov qhib qhov cua kom tsis txhob muaj kab nkag mus rau hauv cov qaib coop, thiab los nag - cov ntaub ntawv pov thawj yuav tsum tau teeb tsa kom tsis txhob muaj dej los nag.
2. Rwb thaiv tsev tsim
Lub tshav kub - txheej rwb thaiv tsev tuaj yeem teeb tsa rau ntawm lub ru tsev thiab sab nrauv phab ntsa ntawm cov qaib coop, xws li siv cov cua sov - rwb thaiv tsev xim los yog cua sov - rwb thaiv tsev ua npuas ncauj. Cov cua sov - txheej rwb thaiv tsev tuaj yeem thaiv cov cua sov sab nraud los ntawm kev nkag mus rau hauv cov qaib coop, txo qhov kub thiab txias, thiab txo cov kev siv cov khoom siv cua txias xws li cov cua txias, ua kom muaj zog - txuag lub hom phiaj.
IV. Cov ntsiab lus tseem ceeb ntawm kev sib xyaw Anti - corrosion thiab thermal rwb thaiv tsev
(I) Kev Tsim Kho Ib ntus
Thaum lub sij hawm tsim kho ntawm cov qaib coop, anti - kev kho corrosion ntawm steel qauv yuav tsum tau nqa tawm ua ntej. Tom qab xyuas kom meej tias cov tshuaj tiv thaiv - corrosion txheej yog kom qhuav thiab kho, lub installation ntawm thermal rwb thaiv tsev ntaub ntawv yuav tsum tau nqa tawm. Qhov no tuaj yeem zam kev puas tsuaj rau cov tshuaj tiv thaiv - corrosion txheej thaum lub sij hawm installation ntawm thermal rwb thaiv tsev cov ntaub ntawv thiab xyuas kom meej cov anti - corrosion nyhuv. Nyob rau tib lub sij hawm, thaum lub sij hawm installation ntawm thermal rwb thaiv tsev cov ntaub ntawv, yuav tsum tau saib xyuas los tiv thaiv cov tiav anti - corrosion txheej los ntawm kev sib tsoo thiab khawb.
(II) Node Treatment
Cov kev sib txuas ntawm cov qauv hlau thiab cov khoom siv thermal rwb thaiv tsev, xws li kev sib tshuam ntawm lub ru tsev thiab phab ntsa, thiab cov chaw nyob ib ncig ntawm lub qhov rooj thiab qhov rais qhib, yog qhov tseem ceeb ntawm kev tiv thaiv - corrosion thiab thermal rwb thaiv tsev. Cov khoom no yooj yim rau qhov khoob, ua rau dej vapor nkag mus thiab poob cua sov. Cov ntaub ntawv xws li sealants thiab sealing strips yuav tsum tau siv rau kev kho sealing kom ntseeg tau tias cov dej tsis zoo thiab thermal rwb thaiv tsev ntawm cov nodes. Nyob rau tib lub sijhawm, ib txheej ntxiv ntawm kev tiv thaiv - corrosion txheej lossis cov khoom siv thermal rwb thaiv tsev tuaj yeem muab ntxiv rau ntawm cov nodes kom ntxiv dag zog rau kev tiv thaiv.
(III) Kev Saib Xyuas thiab Kev Tswj Xyuas
1. Kev tshuaj xyuas tsis tu ncua
Ib qho kev tshuaj xyuas tsis tu ncua yuav tsum tau tsim kom tsis tu ncua xyuas cov qauv steel thiab thermal rwb thaiv tsev ntawm cov qaib coop. Xyuas seb cov tshuaj tiv thaiv - corrosion txheej ntawm cov qauv hlau puas puas los yog tev, thiab seb cov ntaub ntawv thermal rwb thaiv tsev puas puas los yog damp. Cov teeb meem yuav tsum tau kho thiab kho kom raws sijhawm kom ntseeg tau tias lub sijhawm ntev - kev ruaj ntseg ntawm cov tshuaj tiv thaiv - corrosion thiab thermal rwb thaiv tsev.
2. Kev tswj hwm ib puag ncig
Ntxiv dag zog rau kev tswj ib puag ncig hauv cov qaib coop, tswj cov av noo thiab qhov cua kom tsim nyog. Tsim nyog tswj kev yug me nyuam kom ceev thiab sai li sai tau ntxuav cov nqaij qaib excrement kom txo tau cov tiam ntawm corrosive gases xws li ammonia. Los ntawm kev tswj ib puag ncig zoo, qhov tshwm sim ntawm corrosion thiab thermal rwb thaiv tsev teeb meem yuav raug txo, thiab kev pab cuam lub neej ntawm qaib coop yuav txuas ntxiv.