1. Nadiifinta farsamada
(1) Fur qaybta nadiifinta oo cadaya saxanka.
(2) Ku nadiifi saxanka qoriga biyaha cadaadiska sare.
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Fadlan la soco:
(1) Gaslada EPDM ma la xiriiri doonaan xabagta udgoon ee udgoon in ka badan nus saac.
(2) Dhinaca dambe ee saxanka ma taaban karo dhulka si toos ah marka la nadiifinayo.
(3) Nadiifinta biyaha ka dib, si taxaddar leh u hubi taarikada iyo gaskoobka iyo wax aan hadhka lahayn Diirtii diiray oo burburiyey gasket waa in la dhajiyaa ama la beddeli doonaa.
(4) Marka la qabanayo nadiifinta farsamada, burushka birta looma oggola in la isticmaalo si looga fogaado xoqida saxanka iyo gaaska.
. Saxanka kama yaraan doono 200 mm, max. Cadaadiska duritaanka kama weyna 8mpa; Waqtigan xaadirka ah, ururinta biyuhu waa inay fiiro gaar ah yeeshaan haddii ay isticmaalaan hubka qashinka cadaadiska sare si looga fogaado wasakheynta goobta iyo qalabka kale.
2 Nadiifinta kiimikada
Wicitaanka caadiga ah, sida laga soo xigtay guryahooda, wakiilka alkali oo leh feejignaan yar oo ka yar ama u dhigma 4% ama wakiilka aashitada oo ka yar ama le'eg 4% ayaa loo isticmaali karaa nadiifinta, habka nadaafadda ayaa ah:
(1) Heerkulka nadiifinta: 40 ~ 60 ℃.
(2) Dib u soo laabashada oo aan kala go 'lahayn qalabka.
a) Ku xidho tuubbo ku yaal gunta warbaahinta iyo dhuumaha ka hor,
b) ku xira qalabka "Gawaarida Ganacsiga ee Muujinta";
c) Nadiifinta nadaafadda ku dhexjil qalabka jihada ka soo horjeedda ee qulqulka caadiga ah ee badeecadaha;
d) wareejiso xalka nadiifinta 10 ~ 15 daqiiqo oo ah heerka socodka warbaahinta ee 0.1 ~ 0.15m / s;
e) Ugu dambeyntiina dib ugu wareeji 5 ~ 10 daqiiqo oo biyo nadiif ah leh. Waxyaabaha ka kooban chloride ee biyaha nadiifka ah waxay ka yaraan doonaan 25ppm.
Fadlan la soco:
(1) Haddii habkan nadaafadda la korsado, isku xirka firaaqada ah waa in lagu sii nagaado ka hor inta aan loo baahnayn in loo miiro dareeraha nadiifinta si habsami leh loo miiro.
(2) Biyo nadiif ah ayaa loo istcimaali doonaa daadinta kuleylka haddii uu daadado dhabarka la fuliyo.
(3) Wakiilka nadaafadda gaarka ah waxaa loo istcimaalaa nadiifinta wasakhda gaarka ah ee ku saleysan xaaladaha gaarka ah.
(4) Hababka farsamada iyo kiimikada ee kiimikada ayaa loo isticmaali karaa isku darka midba midka kale.
(5) Si kasta oo ay tahay habka loo korsado, aashitada hydrochloric looma oggola in la nadiifiyo saxanka birta ee birta ah. Biyaha in ka badan 25 ka koobnaanka konlorion-ka PPM looma adeegsan karo diyaarinta dareeraha nadiifinta ama daadinta saxanka birta ah ee birta ah.
Waqtiga Post: Jul-29-2021