Zoo li txhua yam khoom siv niaj hnub no, cov kav dej yas muaj qhov zoo thiab qhov tsis zoo.
Qhov "plus" ntawm cov kav hlau-yas suav nrog:
- siab tiv thaiv xeb, vim lawv cov hlau tiv thaiv los ntawm cov txheej txheem polymer uas tiv thaiv nws los ntawm cov txheej txheem corrosion;
- muaj nyob rau hauv lub zoo meej smoothness, tiv thaiv cov sticking ntawm limestone formations, uas feem ntau ua rau overgrowth ntawm kav;
- kev txhim kho cov kav hlau-yas yog ua tau rau cov kav dej thiab kev tsim kho ntawm "sov" pem teb thiab cua sov;
- ua tsaug rau txheej yas, kev teeb tsa ntawm cov kav hlau-yas yog tso cai rau ntau hom kev sib txuas lus uas khiav hauv phab ntsa;
- kev txhim kho cov kav hlau-yas yog ua tiav yam tsis siv cov cuab yeej nyuaj.
Qhov "cons" ntawm cov kav hlau-yas suav nrog:
- lawv txwv kev hloov pauv tau tso caikhoov lawv tsuas yog siv tshwj xeeb "pipe bender";
- Vim tias txhuas thiab yas nthuav dav ntawm qhov kub sib txawv, qhov no yuav ua rau lawv delaminate. Raws li qhov no, nws yog qhov yuav tsum tau yuav cov kav hlau-yas tsuas yog cov khoom zoo.
Thaum xaiv cov kav hlau-yas, nws tsim nyog xav txog ob peb nuances, uas yog:
- Aluminium txheej: qhov nyias nyias, qhov qis dua qhov kev ntseeg siab thiab lub zog ntawm cov kav dej. Cov txheej txheem yog ib txheej nrog lub thickness ntawm tsawg kawg yog 0.3 hli. Nws yog nrog cov tuab ntawm aluminium uas cov kav dej yuav muaj qhov tsim nyog softness thiab lub zog.
- Cov txheej txhuas yuav tsum tsuas yog pob tw welded thaum lub sijhawm tsim khoom.
- Qhov zoo li ntawm cov kav dej yuav tsum tsis muaj kev puas tsuaj thiab cov cim qhia ntawm delamination.
Thaum txhim kho cov kav hlau hlau nrog koj tus kheej tes, ua ntej ntawm tag nrho cov, koj yuav tsum kos ib daim duab ntawm txoj kev sib txuas lus uas yuav tsum tau hloov. Tsis tas li ntawm daim duab no, ntxiv rau qhov ntev tag nrho, cov chaw sib txuas, cov ces kaum thiab khoov tau qhia. Cov tswv yim no yuav tsum tau yuav cov khoom tsim nyog (cov yeeb nkab, threaded fittings), thiab tsuas yog tom qab ntawd kev teeb tsa ntawm cov kav hlau-yas pib. Cov cai yooj yim nco ntsoov.
Kev teeb tsa ntawm cov kav hlau-yas nrog threaded fittings ua rau txoj haujlwm yooj yim dua, vim tsis muaj xov yuav tsum tau txiav, thiab kev sib txuas yog yooj yim heev thiab ceev. Txhawm rau txiav cov yeeb nkab hlau-yas, nws yog ib qho tsim nyog yuav tsum siv cov txiab tshwj xeeb uas ua kom muaj kev sib luagcov npoo tsis ua rau cov txheej txheem yas. Yog tias koj tsis muaj cov txiab li no, koj tuaj yeem siv lub hacksaw zoo tib yam, tom qab ntawd koj yuav tsum ua tib zoo tshuaj xyuas cov npoo ntawm qhov txiav kom tshem tawm tag nrho cov burrs. Qhov loj tshaj plaws yog tias qhov txiav yog kiag li txawm, thiab tsis muaj kev pom delaminations ntawm nws. Txhawm rau muab cov fittings, tsuas yog cov roj hmab sealing rings yuav tsum tau siv thiab tsis muaj cov yas yuav tsum tau siv rau lub hom phiaj no. Cov hlau-yas yeeb nkab txuas cov txiv ntseej yuav tsum tau nruj nrog lub zog nruab nrab kom tsis txhob txhuam cov xov.
Ntawm no, hauv paus ntsiab lus, yog tag nrho cov nuances tseem ceeb ntawm kev ua haujlwm nrog cov kav hlau-yas. Raws li koj tuaj yeem pom, kev teeb tsa ntawm cov kav dej no tuaj yeem ua tiav ntawm koj tus kheej, qhov tseem ceeb yog yuav tsum tau ceev faj thiab ua tib zoo mloog.
