Koj puas tsis nkag siab txog cov lus luv luv ntawm cov yas hauv cov ntawv teev cov kav dej? Kev xaiv cov khoom siv tsis raug xws li PP thaum koj xav tau PE tuaj yeem ua rau lub kaw lus tsis ua haujlwm thiab hloov pauv kim heev.
PP yog lub npe luv rau Polypropylene. Nws yog ib qho thermoplastic polymer uas ruaj khov, khov kho, thiab siv tau ntev heev. Hauv ntiaj teb ntawm cov kav dej, nws nto moo rau nws qhov kev tiv taus cua sov thiab ntau yam tshuaj lom neeg, ua rau nws yog ib qho kev daws teeb meem rau cov ntawv thov kev lag luam uas nyuaj.
Ntawm Pntek, peb ntseeg hais tias yuav tsum siv cov khoom siv zoo rau txoj haujlwm zoo.Polypropylenetsis yog tsuas yog lwm cov yas xwb; nws yog ib qho kev daws teeb meem tshwj xeeb. Rau tus kws tshaj lij kev xa khoom zoo li Carlos, kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb. Thaum nws tuaj yeem piav qhia rau tus neeg siv khoom lag luam vim li cas PP yog tib qho kev xaiv rau lawvcov kab pov tseg tshuaj lom neeg, nws tsis yog tsuas yog muag ib yam khoom xwb; nws tab tom muab kev daws teeb meem uas muaj kev nyab xeeb thiab ntev mus ntev uas tiv thaiv lawv cov haujlwm.
Cov yeeb nkab PP yog dab tsi?
Koj puas xav tias cov yeeb nkab yas tawv yeej zoo ib yam? Qhov kev xav no muaj kev pheej hmoo thaum siv cov khoom kub lossis cov kua dej uas ua rau xeb, qhov uas cov yeeb nkab ib txwm yuav lwj thiab puas sai sai.
Cov yeeb nkab PP yog ib cov yeeb nkab ncaj, tawv ua los ntawm Polypropylene. Nws cov yam ntxwv tseem ceeb yog qhov kub ua haujlwm siab heev piv rau PVC thiab PE, thiab tiv taus cov kua qaub, alkalis, thiab lwm yam tshuaj lom neeg corrosive. Nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov hnyav.
Kuv tau taug kev hla cov chaw tsim tshuaj uas huab cua nws tus kheej zoo li xeb. Hauv cov chaw ib puag ncig ntawd, koj xav tau cov ntaub ntawv uas koj ntseeg siab tau tag nrho.Cov yeeb nkab PPyog cov khoom ntawd. Rau Carlos cov neeg siv khoom hauv kev tsim khoom lossis kev ua tiav, qhov kev ntseeg siab ntawm PP yeeb nkab txhais tau tias kev nyab xeeb ua haujlwm thiab zam kev xau loj heev. Nws yog cov khoom zoo tshaj plaws rau cov ntawv thov uas qhov ua tsis tiav tsis yog qhov kev xaiv. Qhov no yog vim li cas peb thiaj hais kom siv cov resins zoo tshaj plaws rau peb cov kab ke PP.
Tsis yog txhua tus PP zoo ib yam
Yuav kom xaiv tau cov yeeb nkab PP zoo, koj yuav tsum paub txog nws cov hom sib txawv. Peb hom tseem ceeb uas koj yuav ntsib yog tsim los rau cov haujlwm sib txawv me ntsis.
- PP-H (Homopolymer):
Qhov no yog hom PP uas ruaj khov tshaj plaws. Nws muaj lub zog zoo tshaj plaws thaum kub thiab tiv taus tshuaj lom neeg zoo heev. Koj yuav pom nws feem ntau hauv cov chaw ua khoom siv hauv kev lag luam thiab cov chaw tsim tshuaj lom neeg. - PP-B (Block Copolymer):
Hom no muaj cov khoom ntxiv uas ua rau nws tawv dua thiab tiv taus kev cuam tshuam, tshwj xeeb tshaj yog thaum kub tsawg. Nws zoo heev rau cov kav dej khib nyiab hauv kev lag luam uas yuav raug tsoo. - PP-R (Random Copolymer):
Qhov no yog qhov yooj ywm tshaj plaws ntawm peb yam no thiab yog tus qauv rau kev siv dej kub thiab dej txias hauv cov tsev. Nws zoo heev rau kev tswj hwm qhov siab ntev ntawm qhov kub siab.
Rau ib tus thawj coj kev yuav khoom, nws yog ib qho tseem ceeb kom paub tias yuav tsum muaj hom twg. Carlos tej zaum yuav muaj PP-R rau nws cov neeg siv khoom kho dej thiab PP-H rau nws cov neeg siv khoom lag luam.
PP siv rau dab tsi?
Koj puas siv cov yeeb nkab dav dav rau ib txoj haujlwm tshwj xeeb thiab nyuaj heev? Qhov tsis sib xws no ua rau muaj kev xau, ua rau cov kua dej qias neeg, thiab ua rau lub kaw lus tsis ua haujlwm ntev. Koj xav tau cov cuab yeej tshwj xeeb.
Cov yeeb nkab PP siv rau hauv cov ntawv thov uas kub dhau lossis xeb dhau rau cov yas ib txwm xws li PVC. Nws cov kev siv tseem ceeb yog hauv kev thauj mus los tshuaj lom neeg hauv kev lag luam, kev tso dej hauv chaw kuaj mob, cov chaw kho dej khib nyiab, thiab cov kav dej kub thiab txias hauv cov tsev (tshwj xeeb yog PP-R).
Cov ntawv thov rau PP qhia koj qhov tseeb tias nws lub zog nyob qhov twg. Peb tau muab ib qhov project rau ib lub Hoobkas ua zaub mov loj. Lawv xav tau thauj cov kua ntxuav kub, me ntsis acidic. PVC yuav tau mos, thiab hlau yuav tau corroded. PP yog qhov kev daws teeb meem zoo tshaj plaws, kav ntev. Thaum Carlos tuaj yeem taw qhia rau cov ntaub ntawv siv tshwj xeeb no, nws pab nws cov neeg siv khoom pom qhov tseem ceeb thiab zam kev ua yuam kev kim.
Cov Cheeb Tsam Tseem Ceeb rau Kev Siv
PP ci ntsa iab thaum lwm cov ntaub ntawv muaj teeb meem. Nws txoj kev sib xyaw ua ke ntawm cov yam ntxwv ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ntau lub lag luam tseem ceeb.
| Kev Lag Luam/Daim Ntawv Thov | Vim li cas PP thiaj siv tau |
|---|---|
| Cov Kab Tshuaj Lom Zem | Nws tuaj yeem thauj ntau yam kua qaub, alkalis, thiab cov khib nyiab lag luam yam tsis muaj kev puas tsuaj lossis tawg. |
| Cov kav dej kub (PP-R) | Nws tuaj yeem tswj tau qhov kub ntawm dej txog li 90°C (194°F) tas li thiab tsis ua rau dej haus saj lossis tsw qab. |
| Kev Kho Dej Khib Nyhiab | Nws tiv taus cov tshuaj sib xyaw ua ke uas pom muaj nyob rau hauv cov dej khib nyiab hauv kev lag luam thiab hauv nroog, ua kom muaj lub neej ua haujlwm ntev thiab txhim khu kev qha. |
| Cov Chaw Kuaj Mob & Kev Kho Mob | Nws yog siv rau cov tshuab ua dej ntws uas xav tau kev tswj hwm ntau yam tshuaj lom neeg yam tsis muaj kev xau lossis lwj mus raws sijhawm. |
Kev nkag siab txog cov ntawv thov no pab Carlos thiab nws pab neeg muag khoom nrhiav tau cov neeg siv khoom uas muaj teeb meem uas tsuas yog cov yeeb nkab PP thiaj daws tau xwb.
Puas yog PP muaj zog dua PVC?
Puas yog koj xaiv PVC ua ntej vim nws yog ib yam khoom siv uas neeg siv ntau heev? Qhov no tuaj yeem ua yuam kev loj heev thaum koj lub tshuab siv cua sov lossis cov tshuaj tshwj xeeb, ua rau cov kav dej tawg thiab xau txaus ntshai.
Nws nyob ntawm seb koj txhais li cas "muaj zog dua." Thaum sov li chav tsev, PVC tawv dua. Txawm li cas los xij, PP zoo dua hauv ob qho tseem ceeb: nws tuaj yeem tiv taus qhov kub siab dua, thiab nws muaj lub zog cuam tshuam zoo dua, txhais tau tias nws yuav tsis tawg yog tias raug ntaus.
Nov yog ib lo lus nug uas kuv hnov txhua lub sijhawm. Cov lus teb tsis yog hais txog qhov twg zoo dua tag nrho, tab sis qhov twg yog qhov yog rau qhov xwm txheej tshwj xeeb. Nws yog kuv txoj haujlwm los xyuas kom meej tias peb cov neeg koom tes, zoo li Carlos, muaj kev paub no. Thaum tus neeg siv khoom nug nws cov lus nug no, nws tsis tuaj yeem teb nrog lo lus "yog" lossis "tsis yog," tab sis nrog cov lus qhia ntawm cov kws tshaj lij uas pab lawv xaiv cov yeeb nkab zoo meej, tsim nws lub koob npe nrov ua tus neeg muag khoom ntseeg siab.
Kev Sib Piv Ntawm Lub Taub Hau Mus Rau Lub Taub Hau
| Feature | PP (Polypropylene) | PVC (Polyvinyl Chloride) |
|---|---|---|
| Kub Tshaj Plaws | Zoo heev, kwv yees li 90 ° C (194 ° F) | Tsis zoo, tsuas yog nyob ib ncig ntawm 60 ° C (140 ° F) |
| Kev Tiv Thaiv Tshuaj | Zoo heev, tshwj xeeb tshaj yog rau cov acids thiab cov bases. | Zoo, tab sis tuaj yeem raug puas tsuaj los ntawm qee cov tshuaj xws li cov kuab tshuaj. |
| Lub zog cuam tshuam | Zoo heev. Nws tawv thiab tsis tshua tawg. | Nruab nrab. Nws tawv heev thiab tuaj yeem tawg yooj yim. |
| Txoj Kev Koom Tes | Kev Sib Txuas Kub (welding). Tsim kom muaj kev sib koom ua ke tas mus li. | Cov cement uas ua kom cov kuab tshuaj lo (gluing) los yog cov gaskets. |
| Tus nqi | Tus nqi pib siab dua rau ib lub yeeb nkab/fitting. | Tus nqi pib qis dua. |
Yog li ntawd, rau cov kav dej txias, PVC yog qhov kev xaiv zoo thiab pheej yig. Tab sis rau cov kav dej kub hauv lub hoobkas lossis cov kav dej tshuaj hauv chav kuaj, PP yog tib qho kev xaiv zoo thiab txhim khu kev qha. Tus nqi ntxiv yuav ua rau koj muaj kev nyab xeeb thiab lub neej ua haujlwm ntev dua.
Yuav ua li cas txuas cov kav dej PP?
Koj puas txhawj tias cov pob qij txha hauv koj lub kav dej yuav yog qhov chaw uas muaj qhov xau? Nrog cov kav dej PP, kev siv kua nplaum lossis cov clamps yog ib qho kev puas tsuaj loj heev.
Cov kav dej PP raug txuas los ntawm kev siv cua sov fusion welding. Cov txheej txheem no siv cov cuab yeej tshwj xeeb los yaj cov nplaim ntawm cov kav dej thiab cov khoom sib txuas, uas tom qab ntawd raug thawb ua ke. Thaum lawv txias, lawv sib xyaw ua ib daim yas, ruaj khov, thiab tsis xau.
Qhov sib txuas yog qhov tseem ceeb tshaj plaws ntawm txhua lub kav dej. Kuv xav tias txoj kev sib txuas cua sov siv rau PP yog qhov kev sib txuas txhim khu kev qha tshaj plaws. Nws tshem tawm qhov tsis muaj zog ntawm cov kua nplaum uas tuaj yeem lwj lossis cov foob pob uas tuaj yeem xoob. Rau Carlos cov neeg siv khoom cog lus, qhov no txhais tau tias kev thaj yeeb nyab xeeb. Lawv tuaj yeem nruab ib lub kaw lus PP, sim nws, thiab paub tias cov pob qij txha muaj zog thiab ruaj khov ib yam li lub kav dej nws tus kheej.
Ob Txoj Kev Sib Xyaws Tseem Ceeb
Muaj ob txoj kev tseem ceeb rau kev vuam PP, thiab qhov koj siv nyob ntawm qhov loj ntawm cov yeeb nkab.
- Qhov (Socket Fusion):
Qhov no yog txoj kev siv ntau tshaj plaws rau cov kav dej me dua, feem ntau yog txog li 125 hli (kwv yees li 4 nti). Ib lub cuab yeej cua sov tshwj xeeb muaj ib sab txiv neej thiab ib sab poj niam. Nws ua kom sov sab nraud ntawm qhov kawg ntawm cov kav dej thiab sab hauv ntawm lub qhov (fitting socket) tib lub sijhawm. Tom qab ntawd koj tshem lub cuab yeej thiab thawb cov kav dej mus rau hauv qhov fitting. Nws tsim ib qho sib koom ua ke uas muaj zog heev, zoo li huv si. - Kev Sib Koom Tes Hauv Qab:
Rau cov kav dej loj dua, qhov no yog txoj kev txheem. Cov kawg plaub fab ntawm ob lub kav dej (lossis ib lub kav dej thiab ib qho khoom sib txuas) raug tuav hauv lub tshuab loj. Ib lub phaj cua sov raug muab tso rau nruab nrab ntawm lawv, yaj ob qho kawg. Lub phaj raug tshem tawm, thiab lub tshuab nias cov kawg uas yaj ua ke, tsim ib lub hlaws muaj zog nyob ib puag ncig sab nraud ntawm lub kav dej. Txoj kev no tsim kom muaj sab hauv du zoo meej, uas zoo heev rau kev ntws.
Ob txoj kev no tsim tau ib qho sib koom ua ke tas mus li uas yuav tsis xau.
Xaus lus
PP, lossis Polypropylene, yog ib lub yeeb nkab tshwj xeeb rau kev siv cua sov siab thiab tshuaj lom neeg. Nws muaj zog dua PVC hauv cov xwm txheej no thiab koom ua ke los ntawm kev sib xyaw ua ke ntawm cua sov tas mus li, tsim kom muaj lub kaw lus txhim khu kev qha heev.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-12-2025
