Kev pab lub neej ntawm cov kav dej polypropylene: hom, specifications, daim ntawv thov

Cov txheej txheem:

Kev pab lub neej ntawm cov kav dej polypropylene: hom, specifications, daim ntawv thov
Kev pab lub neej ntawm cov kav dej polypropylene: hom, specifications, daim ntawv thov

Video: Kev pab lub neej ntawm cov kav dej polypropylene: hom, specifications, daim ntawv thov

Video: Kev pab lub neej ntawm cov kav dej polypropylene: hom, specifications, daim ntawv thov
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Anonim

Lub neej ua haujlwm ntev ntev ntawm cov kav dej polypropylene tso cai rau lawv siv tag nrho hauv cov cua sov thiab dej siv hluav taws xob es tsis txhob siv cov khoom siv hlau. Thaum xaiv cov khoom los ntawm cov khoom siv no, nws yog ib qho tsim nyog yuav tsum coj mus rau hauv tus account lub luag haujlwm tseem ceeb uas lawv tau qhia. Tsis yog tag nrho cov khoom yas thiab polyethylene yog tsim rau cov dej kub lossis cua sov.

Polypropylene kav
Polypropylene kav

Kev piav qhia

Lub neej kev pabcuam ntawm cov kav dej polypropylene feem ntau yog nyob ntawm qhov kev siv. Cov khoom nws tus kheej yog tau los ntawm polymerization ntawm ib khub ntawm cov tshuaj (propylene thiab ethylene nyob rau hauv tej proportions). Xws li cov khoom siv hluavtaws tau pom lawv tus kheej zoo kawg nkaus hauv kev tsim cov dej, cov kav dej thiab cov cua sov. Cov txheej txheem thiab ceg ntawm kev ua haujlwm, nrog rau lub sijhawm ntawm kev siv cov khoom hauv nqe lus nug, nyob ntawm qhov cim ntawm cov kav dej.

Cov kev hloov pauv uas muaj nyob rau hauv kev ua lag luam niaj hnub no txawv ntawm cov yam ntxwv thiab muaj cov qauv sib txawv. Ib txhia ntawm lawv yog tsim tshwj xeeb rau cov khoom sivdej txias, lwm tus - rau cov qauv kub thiab cua sov.

Hloov kho thiab cim

Txhawm rau txuas ntxiv lub neej kev pabcuam ntawm cov kav dej polypropylene, kev kos yuav tsum raug coj mus rau hauv tus account. Hauv qab no yog cov kev hloov kho ntau tshaj plaws:

  1. Type PN-10 yog tsim tshwj xeeb rau cov tshuab uas muaj lub siab nqa tsis ntau tshaj kaum cua. Qhov no suav nrog cov kav dej nrog cov txheej txheem txias lossis dej haus. Tso cai ua kua cua sov kub - tsis tshaj 45 degrees Celsius. Cov khoom no yog cov kev xaiv pheej yig tshaj.
  2. Qhov ntsuas PN-16 qhia tias cov kav dej tsim nyog rau kev teeb tsa hauv cov tshuab nrog lub siab tshaj plaws ntawm tsis pub tshaj 16 cua. Media kub tso cai txog +60 °C.
  3. Series N-20 zoo tiv taus cov yam ntxwv ntawm kev siv cov cua kub hauv nruab nrab, kev khiav hauj lwm siab - txog 20 Atm, qhov siab tshaj plaws ntawm cov coolant yog +95 ° C.
  4. Kev kos npe PN-25 qhia tias cov kav dej tau txhawb nqa nrog cov ntaub ntawv aluminium, uas ua rau cov khoom muaj zog ntxiv. Feem ntau ntawm cov dej kub thiab cua sov cov qauv yog nruab nrog cov ntsiab lus, lawv tuaj yeem tiv taus 25 cua thiab dej ua haujlwm kub ntawm 95 ° C.

Nws yog ib qho tsim nyog los xaiv cov kav dej polypropylene coj mus rau hauv tus account lawv siv nyob rau hauv qhov kub thiab txias Circuit Court, vim hais tias lawv cov kev pab cuam lub neej nyob ntawm cov kev qhia.

Yees duab ntawm cov yeeb nkab polypropylene
Yees duab ntawm cov yeeb nkab polypropylene

Polypropylene kav thiab lawv cov nta

Cov khoom hauv kev txiav txim siab tau ua tiav tiav rau ntau xyookev sib tw nrog steel counterparts. Cov koob npe zoo li no yog vim cov khoom tshwj xeeb uas cov kav dej muaj:

  1. Lawv tsis ntshai cov txheej txheem corrosive, tsis zoo li cov khoom siv hlau. Tsis tas li ntawd, cov ntsiab lus zoo li no haum rau feem ntau tshaj tawm, nruab nrab rau lawv cov khoom siv tshuaj lom neeg.
  2. Cov khoom siv sab hauv tseem tsis hloov pauv tau ntau xyoo, lav los ntawm lawv qhov chaw zoo kawg nkaus. Qhov no yuav pab txhawb lub neej kev pabcuam. Nyob rau tib lub sijhawm, txoj kab uas hla ntawm cov khoom tsis nqaim, vim tsis muaj cov txiv qaub thiab ntsev tso.
  3. Tus nqi ntawm cov kav dej polypropylene, lub txee lub neej yog ob peb xyoos, yog qis dua cov hlau sib txuas. Lawv tsis xav tau kev saib xyuas tshwj xeeb, pleev xim. Koj tuaj yeem kho lawv yam tsis muaj teeb meem siv cov cuab yeej yooj yim tshaj plaws.
  4. Cov kav dej txuas txuas yog txuas los ntawm cov vuam sib txuas, ua cov kab ntawm ntau qhov ntev nrog ib qho kev sib koom ua ke ntawm tus kheej ntu, ua kom lawv nruj thiab lub zog.
  5. Cov khoom siv muaj cov thermal conductivity tsawg, uas tso cai rau koj tswj kom muaj qhov kub thiab txias nyob rau hauv tag nrho txoj kev ntawm cov muab tub lim.
  6. Kev tsim kho ntawm cov yeeb nkab polypropylene
    Kev tsim kho ntawm cov yeeb nkab polypropylene

thaj chaw siv

Cov khoom ntawm cov khoom hauv nqe lus nug ua rau nws muaj peev xwm siv tau qee qhov cim hauv kev coj ua ntawm cov khoom siv cua sov, thiab tseem ua rau lub neej ua haujlwm ntawm cov kav dej polypropylene. Thaum npaj cov txheej txheem zoo li no thiab ua haujlwm kho, feem ntau cov neeg siv khoom xaiv xaivcov synthetics.

Cov khoom siv thoob ntiaj teb tso cai rau koj siv cov ntsiab lus hauv ntau qhov kev lag luam, xws li:

  1. Kev tsim cov kav dej rau kev siv cov kua dej nrog cov tshuaj muaj pes tsawg leeg, tsis hais lawv qhov kev ua phem.
  2. Cov kav dej ua los ntawm polypropylene yog siv rau distillation ntawm compressed cua. Rau cov xwm txheej zoo li no, yuav tsum muaj kev hloov pauv, ntxiv nrog cov ntawv ci, sau npe tsawg kawg PN-25.
  3. Vim tus nqi qis, cov khoom lag luam zoo tsim nyog rau kev rov ua dua tshiab thiab cov kav dej.
  4. Qhov chaw tseem ceeb ntawm kev ua haujlwm yog cov qauv cua sov thiab cov chav dej.

Txhua yam khoom raug xaiv nyob ntawm lub hom phiaj tseem ceeb. Piv txwv li, nyob rau hauv ib lub tsev ntiav, PN-25 hom pipeline tsis cuam tshuam, vim nws yuav raug nqi ntau dua li cov analogues uas yuav zoo kawg nkaus tiv nrog cov hauj lwm ntawm tus nqi qis.

sijhawm ua haujlwm

Ntau tus neeg siv xav paub cov lus nug, lub neej kev pab cuam ntawm cov kav dej polypropylene yog dab tsi yog tias lawv tau ntim rau hauv cov phab ntsa lossis nchuav nrog pob zeb? Hauv kev muaj tiag, qhov ntsuas no nyob ntawm cov dej num uas tau ua, kev khiav hauj lwm siab thiab qhov kub thiab txias tsis ua hauj lwm ntawm cov kua nqa khoom.

Ntawd yog, yog tias cov khoom ntim hauv cov khoom lag luam nrog qhov ntsuas ntawm PN-10 yog rhuab mus rau 20 degrees Celsius ntawm kev khiav hauj lwm siab ntawm 13.5 cua, lub neej kev pab cuam yuav muaj tsawg kawg yog 10 xyoo, thiab nrog rau qhov ntsuas ntawm 12.9 cua - mus txog 50 xyoo. Ib zaj dab neeg sib txawv kiag li nrog kev hloov pauv raws li PN-25 hom. Ntawm qhov kub thiab txias ntawm cov khoom siv ntawm 30 degrees Celsius thiab lub siab ntawm 9.3 atm, lub neej kev pab cuamCov kav dej polypropylene (DHW) yuav tsis pub tshaj 10 xyoo. Tab sis ntawm qhov tsim siab ntawm 25 cua, lub sijhawm ua haujlwm nce tsib zaug.

Kev txhim kho cov kav dej polypropylene
Kev txhim kho cov kav dej polypropylene

Nuances of application

Lub sijhawm ua haujlwm tau hais tawm hauv qhov tseeb tias txhua qhov cim tau tsom mus rau qee yam kev siv. Piv txwv li, yog tias nws tau npaj los txuas ntu ntawm polypropylene rau lub hauv paus cua sov, qhov kev xaiv zoo tshaj plaws yog siv cov kev hloov kho xws li PN-16 lossis 20.

Qhov ntsuas kub siab tshaj plaws uas tsis cuam tshuam rau lub neej kev pabcuam ntawm cov kav dej kub polypropylene yog 95 ° C. Lawv tsis haum rau mounting ib qho system nrog cov khoom kub kub. Twb tau ntawm 130-140 degrees Celsius, cov khoom yuav ua yas thiab mos, zoo ib yam li plasticine.

Kev ntsuas kev tiv thaiv rau kev npaj cov qauv

Feem ntau lub neej kev pab cuam ntawm cov kav dej polypropylene nyob ntawm hom kev teeb tsa. Txhawm rau muab cov khoom tso rau hauv phab ntsa, lawv yuav tsum xub muab cais tawm. Qhov no yuav tiv thaiv cov raj xa dej los ntawm kev sib xyaw ua ke, thiab tseem yuav muab lub sijhawm los nthuav dav qhov chaw rau cov dej kub.

Feem ntau, phab ntsa hauv phab ntsa ntawm cov ntaub ntawv no tau tso cai nrog kev siv cov kev ntsuas kev nyab xeeb tsim nyog. Tsis tas li ntawd, kev nkag mus rau lub kaw-off li qub thiab cov kais dej sib tshooj yog sab laug dawb.

Fittings rau polypropylene kav
Fittings rau polypropylene kav

Yuav tsum xav txog dab tsi thaum txhim kho?

Thaum tso cov kab ke hauv nqe lus nug hauv kev ua vaj tse screed, ob peb ntxiv yuav tsum tau coj mus rau hauv tus accountMoments:

  1. Thaum ua vaj tse nrog dej txias, fittings thiab lwm yam kev sib txuas ua haujlwm tau tso rau hauv txoj haujlwm qhib.
  2. Vim tias cov xov xwm kub kub ib ntus hloov nws qhov kev ua haujlwm kub, cov cim cim tsim nyog yuav tsum tau siv, stacking lawv nyob rau hauv loj strobes, coj mus rau hauv tus account qhov muaj peev xwm ntawm polymer expansion thaum lub sij hawm ua hauj lwm.
  3. Thaum txhim kho cov kav dej polypropylene hauv screed rau "sov pem teb", nws yog qhov tsim nyog los siv cov khoom siv ntxiv nrog cov ntawv txhuas. Qhov kev daws teeb meem no yuav tiv thaiv huab cua los ntawm kev nkag mus rau hauv lub cev, nrog rau kev ua kom muaj zog thaum lub tub yees mus txog qhov kub siab tshaj plaws.

Ntawm cov cim tseem ceeb ntawm kev hnav ntawm cov khoom hauv nqe lus nug hauv cov qauv qhib yog cov tsos ntawm cov quav hniav daj. Cov xim no tshwm sim nyob rau hauv lub zog ntawm ultraviolet hluav taws xob. Txhawm rau txuas ntxiv lub neej kev pab cuam, thaj chaw yuav tsum tau insulated nrog cov ntaub ntawv xav tau.

Cov kav dej polypropylene rau dej
Cov kav dej polypropylene rau dej

Ntau yam kev txhawb nqa

Ntxiv rau cov ntawv txhuas txhuas, cov neeg Asmeskas ntawm cov kav dej polypropylene (kev pabcuam lub neej nyob ntawm qhov chaw teeb tsa), zoo li lub ntsiab ntawm lawv tus kheej, tej zaum yuav muaj lwm hom kev txhawb nqa. Ntawm cov ntau yam:

  1. Cov khoom siv sib xyaw. Txhawm rau ntxiv dag zog rau cov kav dej ua haujlwm, qee lub ntsiab lus tuaj yeem nruab nrog cov txheej txheem zoo li no. Nws muab ib qho kev sib xyaw ua ke uas ua haujlwm kom ntxiv dag zog rau cov qauv. Cov khoom zoo li no ua tau raws li cov neeg siv khoom zoo thiab tsis tas yuav stripping ua ntej commissioning.
  2. txheej yas ntxiv. Xws li cov kav dej muaj peev xwm tiv taus qhov kub thiab txias, thaum muaj peev xwm ntawm kev sib cuag ntawm cov muab tub lim thiab cov khoom siv ntxiv yog tsis suav nrog. Txhawm rau kom tsis txhob delamination ntawm cov khoom, cov tshuaj nplaum tshwj xeeb tau qhia rau hauv nws cov khoom xyaw.
  3. Fiberglass. Siv cov khoom siv hnyav no, lawv tsim lub hauv paus ntawm cov kav dej, qhov chaw sab nrauv thiab sab hauv uas yog ua los ntawm cov khoom siv zoo tib yam, tsis muaj zog polyethylene.
  4. Polypropylene kav rau cua sov
    Polypropylene kav rau cua sov

Summary

Hauv kev xaus, nws tuaj yeem raug sau tseg tias qhov kav ntev ntawm cov kav dej polypropylene nyob ntawm qhov ua haujlwm kub ntawm cov kua siv, qhov siab hauv cov kav dej, qib thiab cov khoom siv hauv paus, kev teeb tsa kom raug thiab kev ua haujlwm tam sim no.. Nrog rau kev sib xyaw ua ke ntawm txhua yam, cov khoom lag luam yam tsis xav tau kev saib xyuas tshwj xeeb yuav kav ntev li 10 txog 50 xyoo.

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