Polyurethane yeeb nkab rwb thaiv tsev

Polyurethane yeeb nkab rwb thaiv tsevyog muab los ua lub Hoobkas - ua cov yeeb nkab tsis yog ua npuas ncauj ib leeg. Cov qauv ib txwm yog acev cev, a rigid polyurethane ua npuas ncauj rwb thaiv tsev txheej,a iblub tsho tiv thaiv sab nrauv. Ntawm OCTAL txoj kev muab khoom tam sim no, qhov system tau muab raws listeel carrier yeeb nkab + nruj PU npuas rwb thaiv tsev + HDPE / steel / FRP lub tsho sab nrauv, nrog kev lag luam loj ntau ntawmDN25-DN1200, thermal conductivity ntawmTsawg dua lossis sib npaug li 0.030 W / m·K, npuas ntom ntawm60-80 kg/m³, thiab kev ua haujlwm ntau ntawm-50℃rau +140 degree, nrog luv - lub sij hawm raug mus txog150 degree.

Rau koog tsev kawm ntawv faus - qhov kev pabcuam cua sov, cov txheej txheem sib koom ua ke yog qhov tshwj xeeb dua.TS EN 253npog ncaj Hoobkas- ua cov yeeb nkab insulated rau ncaj qha faus kub- cov dej sib txuas siv ib qhoCov yeeb nkab steel los ntawm DN 15 txog DN 1200, nruj polyurethane ua npuas ncauj rwb thaiv tsev,a ibsab nrauv polyethylene casing. Nws yog sau rauKev ua haujlwm tas li mus txog 120 degreethiabQee lub sij hawm ncov kub txog 140 degree.

Nyob rau hauv lub tswv yim project lus,polyurethane rwb thaiv tsev yeeb nkab, polyurethane yeeb nkab rwb thaiv tsev, thiabpolyurethane ua npuas ncauj yeeb nkab rwb thaiv tsevfeem ntau yog xa mus rau tib lub tswv yim: ib qho ua ntej-cov yeeb nkab insulated tsim los tswj cov cua sov, ua kom cov txheej txheem kub ruaj khov dua, thiab txo qhov kev sib txawv ntawm kev teeb tsa uas feem ntau tuaj nrog teb- qhwv rwb thaiv tsev.

Yog xav paub ntxiv cov ntaub ntawv cov qauv, cov ntaub ntawv qhia kev, thiab cov lus qhia txog kev thov, rub pebPolyurethane rwb thaiv tsev yeeb nkab Technical Data & Application Guide.

Cov duab no piav txog txoj kev lag luam ib txwm muaj. Rau cheeb tsam faus ncaj qha - cov tshuab cua sov ua rauTS EN 253, qhov sib koom ua ke qhov system yogDN15-DN1200, thiab qhov kub thiab txias profile yog conservative ntau tshaj qhov kev lag luam dav dav.

A polyurethane rwb thaiv tsev yeeb nkabua haujlwm li peb - txheej txheej, thiab txhua txheej daws teeb meem sib txawv hauv kev pabcuam:

• Covcev cevnqa siab thiab nruab nrab nws tus kheej.
• Covpolyurethane ua npuas ncauj rwb thaiv tsevtswj cov cua sov hloov.
• Covlub tsho sab nrauvTiv thaiv cov rwb thaiv tsev los ntawm cov dej hauv av, kev sib cuag hauv av, kev cuam tshuam, UV raug, thiab tuav kev puas tsuaj.

Nyob rau hauv qhov tseeb tej yaam num, cov cab kuj yog feem ntaucarbon hlau, masstainless hlaulos yoghlau hlaukuj tuaj yeem xaiv qhov nruab nrab, qhov kev tiv thaiv corrosion, lossis cov txheej txheem kav dej yuav tsum tau ua. Lub tsho xaiv ces ua raws li txoj kev teeb tsa.HDPEyog ib yam rau faus systems vim nws muab ib tug muaj zog ya raws barrier.Cov tsho hlauyog qhov tsim nyog dua qhov saum toj no - kev tiv thaiv hauv av thiab lub zog siv tshuab tseem ceeb dua.FRPfeem ntau suav hais tias qhov twg corrosion kuj thiab lub plhaub qis yog ib feem ntawm txoj haujlwm.

Cov txheej txheej txheej no yog vim li cas cov khoom no coj txawv ntawm xoobyeeb nkab rwb thaiv tsevthov rau ntawm qhov chaw. Ib daim teb-wrapped system nyob ntawm qhov chaw ua haujlwm, huab cua, thiab sealing zoo. Ib qho kev sib koom ua ke ua ntej-insulated system tuaj txog nrog cov rwb thaiv tsev tuab zoo sib xws, ruaj khov ntau dua, thiab tsawg dua cov ntsiab lus tsis muaj zog ua ntej kev teeb tsa txawm pib. Qhov ntawd yuav pab tau tshwj xeeb tshaj yog rau kev khiav faus ntev, cog cov khoom siv hluav taws xob hauv tsev, thiab txias - cov kab dej uas qhov chaw rov ua haujlwm qeeb thiab kim.

Tus nqi thermal ntawmpolyurethane ua npuas ncauj yeeb nkab rwb thaiv tsevlos ntawm nws cov conductivity tsawg thiab kaw-cov qauv ntawm tes, tab sis qhov ua tiav cov kav dej ua tiav nyob ntawm ntau dua ib tus lej kuaj. Nws nyob ntawm:

• ua npuas ncauj ntom ntom
• kev sib raug zoo
• lub tsho sealing
• cutback raug
• teb- kev sib koom ua haujlwm
• installation ib puag ncig

Tus qauv muab ntau yam muab60-80 kg/m³rau ua npuas ncauj ntom ntom thiabTsawg dua lossis sib npaug li 0.030 W / m·Krau thermal conductivity, uas yog ib tug tswv yim muaj ntau yam rau pre- insulated steel yeeb nkab mov.

Hauv faus kub- cov dej sib txuas, cov teeb meem tsis tshua muaj tshwm sim vim tias cov rwb thaiv tsev zoo zoo rau ntawm daim ntawv tab sis cov kab tiag tiag tau tsim tsis zoo. Lawv feem ntau tshwm sim vimdej ingress ntawm cov pob qij txha, puas sab nrauv casing thaum tuav los yog backfilling, tawm ntawm -center carrier pipe, los yogua npuas ncauj puv. Hauv chilled - dej kev pab cuam, tib lub logic siv nyob rau hauv thim rov qab: kub nce thiab condensation tswj nyob ntawm tag nrho cov sib dhos nyob twj ywm qhuav thiab kaw, tsis nyob rau hauv cov ntaub ntawv ua npuas ncauj ib leeg. Qhov no yog vim li caspolyurethane yeeb nkab rwb thaiv tsevfeem ntau yog xaiv qhov chaw ua haujlwm ntev, faus kev teeb tsa, lossis kev tawm sab nraum zoov ua rau muaj kev cuam tshuam lub Hoobkas muaj txiaj ntsig ntau dua li qhov chaw- siv wrapping.

Ntawm covhom rwb thaiv tsevsiv nyob rau hauv cov yeeb nkab tshuab, polyurethane feem ntau yog xaiv thaum qhov project xav tau kev cog lus, lub Hoobkas - ua rwb thaiv tsev es tsis yog cov khoom siv xoob xoob ntim txheej txheej ntawm qhov chaw. Yog li ntawd,polyurethane yeeb nkab rwb thaiv tsevtsawg dua txog kev muag npuas los ntawm nws tus kheej thiab ntau ntxiv txog kev npaj npaj - rau - nruab cov kav dej thermal.

Rau kev txheeb xyuas ze dua ntawmpolyurethane insulated yeeb nkab zoo thiab kev txwv, nrog rau kev sib koom ua ke ntawm kev sib khi, kev pheej hmoo ntawm kev ya raws, kev txwv kub, thiab kev kho qhov nyuaj tom qab faus, saib peb cov lus qhia ntxaws.

Txoj kev tsim khoom ntawmpolyurethane yeeb nkab rwb thaiv tsevyog ib qho ntawm cov laj thawj tseem ceeb uas nws ua tau zoo thaum muab khoom kom raug. Cov yeeb nkab cab kuj tau npaj ua ntej los ntawm kev ntxuav, blasting, los yog priming raws li xav tau. Lub tsho sab nrauv yog tom qab ntawd muab tso rau concentrically nrog spacers, thiab cov polyol / isocyanate mix yog txhaj rau hauv qhov sib txawv annular. Raws li cov npuas dej nthuav dav thiab kho, nws ua rau qhov khoob thiab khi ruaj khov rau ob qho tib si cov yeeb nkab thiab lub tsho.

Ib txoj hauv kev ntau lawm suav nrog:

• carrier yeeb nkab nto npaj
• tsho positioning thiab centering
• PU ua npuas ncauj txhaj rau hauv qhov chaw annular
• expansion thiab kho
• kawg cutback finishing
• Dimension thiab pom kev soj ntsuam

Daim ntawv cog lus ntawd tsis yog qhov nthuav dav zoo nkauj. Nws cuam tshuam li cas lub kaw lus coj tus cwj pwm thaum cov yeeb nkab steel nthuav dav thiab sib cog lus, thaum txoj kab qis qis rau hauv qhov trench, thiab thaum txhawb nqa lossis rov qab thauj khoom ua rau lub tsho sab nrauv. Kev sib raug zoo tsis zoo, tsis sib xws, lossis qhov tsis sib xws ntawm qhov kev txiav rov qab feem ntau tsis nyob hauv "lub Hoobkas teeb meem." Lawv dhau los ua teeb meem kev teeb tsa tom qab, tshwj xeeb tshaj yog nyob rau hauv cheeb tsam ntev - cov cua kub khiav los yog cov kab hluav taws xob cog uas sib koom ua ke thiab kev sib koom ua ke yuav tsum ua kom zoo ib yam ntawm ib qho mus rau ib qho.

Qhov no yog ib qho ntawm qhov sib txawv ntawm cov khoom siv rwb thaiv tsev zoo tib yam thiab ib qho zoo ua ntej - insulated yeeb nkab pob. Kev ua haujlwm tsis yog ua npuas ncauj xwb. Nws yog khaws ciacab cab, txheej rwb thaiv tsev, lub tsho, thiab qhov kawg qhov ntevnyob rau hauv kev tswj nyob rau hauv tib ntau lawm khiav.

Polyurethane yeeb nkab rwb thaiv tsevyog qhov zoo tshaj plaws xaiv los ntawm kev ua haujlwm tiag tiag es tsis yog los ntawm kev lag luam dav dav.

Hauv tej yaam num tiag tiag, ib cheeb tsam faus - cov kab hluav taws xob cua sov thiab ib qho saum toj no - cov kab hluav taws xob hauv av tsis nug txog cov khoom lag luam zoo ib yam. Thawj yuav ua raws li ib tugTS EN 253- hom kev sib txuas faus nrog PE casing. Qhov thib ob yuav xav tau ahlaulos yogFRPlub tsho sab nrauv vim yog UV raug, cog kev khiav tsheb, lossis siab dua -kev pheej hmoo hauv av. Tias yog vim li cas qhov kev xaiv lub tsho tseem ceeb npaum li cov npuas nws tus kheej. OCTAL tus qauv muab kev txhawb nqa qhov sib txawv los ntawm kev muabHDPE / steel / FRPlub tsho txoj kev es tsis txwv cov khoom rau ib qho khoom siv nkaus xwb.

Rau cov neeg siv sib piv cov khoom no nrog cov ntaub ntawv rwb thaiv tsev xoob, ib thaj tsam tseem ceeb yog qhov ntawdASTM C591yog acov khoom specificationrau unfaced nruj cellular polyurethane- hloov polyisocyanurate thermal rwb thaiv tsev ntawm qhov chaw. Nws npog cov kev pabcuam kub los ntawm-183℃rau 149 degree, tab sis nws kuj tau hais tias qhov ntsuas kub tiag tiag rau cov ntawv thov tshwj xeeb yuav tsum tau pom zoo ntawm cov chaw tsim khoom thiab cov neeg yuav khoom. Qhov ntawd ua rau nws muaj txiaj ntsig zoo raws li kev siv rau cov khoom siv rwb thaiv tsev, tab sis nws tsis yog qhov hloov pauv rau ua tiav ua ntej -insulated yeeb nkab system specification.

Qhov kev sib txawv ntawd pab kom tsis txhob muaj qhov yuam kev. Ib qhov project yuav pom cov khoom ua npuas dej kub txwv thiab xav tias tag nrho cov yeeb nkab insulated tuaj yeem siv tib txoj kev. Hauv kev muaj tiag, cov khoom sib dhos tseem yuav tsum tau kuaj xyuas:

• nqa cov yeeb nkab txheem
• kev khiav hauj lwm kub profile
• cov khoom siv tsho sab nrauv
• teb- txoj kev sib koom
• kev teeb tsa

Rau faus hauv cheeb tsam cua sov,TS EN 253yog qhov system zoo dua - qib siv. Rau kev ua haujlwm rwb thaiv tsev dav dav, cov ntaub ntawv cov ntaub ntawv thiab cov ntaub ntawv sib dhos tseem yuav tsum tau tshuaj xyuas ua ke.

Yog tias qhov project tseem xav tau qhov screen engineering sai, rub tawm pebPolyurethane rwb thaiv tsev yeeb nkab xaiv checklistrau qhov ntsuas kub, sib koom ua ke, casing, thiab faus xyuas cov ntsiab lus.

OCTAL cov khoom sivpolyurethane yeeb nkab rwb thaiv tsevraws li cov khoom tiav, tsis yog cov khoom xoob xoob uas yuav tsum tau txheeb xyuas tom qab. Qhov ntawd tseem ceeb ntawm cov haujlwm tiag tiag uas qhov kev txiav txim yuav suav nrog cov kab sib txawv, ntau lub tsho hom, kev sib xyaw ua ke, thiab cov sijhawm teem nruj. Qhov sib txawv muaj txiaj ntsig tsis yog tias cov khoom yog insulated. Nws yog qhov ntawdcev cev, ua npuas ncauj, lub tsho sab nrauv, cutback qhov ntev, thiabtso cov ntaub ntawvnyob ruaj khov nyob rau hauv ib txoj saw khoom.

Rau cov neeg yuav khoom sib pivpolyurethane yeeb nkab rwb thaiv tsev manufacturers, feem ntau yog qhov kev sib cais tiag tiag tshwm sim. Qhov teeb meem ntawm qhov chaw tsis tshua muaj "ib tus neeg tuaj yeem ua PU npuas." Cov lus nug tiag tiag yog seb qhov ua tiav cov yeeb nkab insulated tuaj txog concentric, traceable, txiav rov qab kom zoo, ntim kom meej, thiab sib phim rau txoj kev pabcuam nws tau txiav txim rau. OCTAL tus qauv coj mus muag ntau yam ntawmDN25-DN1200, nrogHDPE / steel / FRPxaiv lub tsho thiab ib qho kev sib koom ua ke peb - txheej txheej, ua rau nws haum rau hauv cheeb tsam cua sov, cheeb tsam cua txias, txheej txheem kev lag luam, tub yees, thiab lwm yam thermal utility kab uas xav tau ntau tshaj li cov khoom siv hluav taws xob.

Hu rau tam sim no

FAQ

 

01.Dab tsi yuav tsum tau lees paub ua ntej xaj polyurethane yeeb nkab rwb thaiv tsev?

Cov ntsiab lus tseem ceeb ntawm kev txiav txim yogcov khoom siv hauv cov yeeb nkab, qhov loj me, rwb thaiv tsev thickness, lub tsho sab nrauv, kev ua haujlwm kub, thiab cov ntaub ntawv xav tau. Rau cov cheeb tsam faus ncaj qha -cov tshuab cua sov,TS EN 253siv rau kev sib koom ua ke siv cov yeeb nkab steel, rigid polyurethane ua npuas ncauj, thiab PE casing hauvDN15 rau DN1200kev pabcuam.

02.Dab tsi yog qhov txawv ntawm polyurethane yeeb nkab rwb thaiv tsev thiab qhov chaw- siv cov yeeb nkab rwb thaiv tsev?

Polyurethane yeeb nkab rwb thaiv tsevfeem ntau yog muab raws li aHoobkas- ua cov yeeb nkab sib txuas, thaum lub site- sivyeeb nkab rwb thaiv tsevyog ntsia txheej los ntawm txheej tom qab piping yog erected. Lub Hoobkas- ua txoj hauv kev muab cov npuas dej zoo sib xws, kev tiv thaiv lub tsho, thiab kev tswj kev txiav rov qab, uas yog qhov tshwj xeeb tshaj yog rau cov kab faus thiab kev siv hluav taws xob ntev.

03.Dab tsi ua haujlwm kub tuaj yeem ua rau polyurethane rwb thaiv tsev yeeb nkab kov?

RauTS EN 253cov koog tsev kawm ntawv sib koom ua ke- cov tshuab cua sov, qhov txwv tsis pub tshaj yogKev ua haujlwm tas li mus txog 120 degreenrogQee lub sij hawm ncov kub txog 140 degree. Yog tias qhov project yog siv polyurethane rwb thaiv tsev raws li cov khoom siv hauv qabASTM C591, cov khoom siv rwb thaiv tsev tau txuas ntxiv los ntawm-183℃rau 149 degree, tab sis qhov kev pab cuam tiag tiag tseem yuav tsum tau pom zoo rau cov yeeb nkab tshwj xeeb.

04.Thaum twg HDPE, hlau, lossis FRP cov tsho sab nrauv yuav tsum siv?

HDPEfeem ntau yog xaiv rau kev muab faus ncaj qha vim nws muab cov dej noo muaj zog.Hlaulos yogFRPcov tsho zoo nkauj tshaj qhov uas cov kab saum toj kawg nkaus hauv av thiab lub plhaub sab nrauv yuav tsum tswj xyuas UV raug, cog kev khiav tsheb, lossis kev tiv thaiv kev siv tshuab ntxiv.

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