A cikin tsarin masana'anta na hasumiyar wutar lantarki, walda wani tsari ne mai mahimmanci.Ingancin walda kai tsaye yana shafar ingancin hasumiya.Don haka, wajibi ne a fahimci abubuwan da ke haifar da lahani na walda da matakan rigakafi daban-daban.
1. Air rami da slag hada
Porosity: Porosity yana nufin rami da aka samu lokacin da iskar gas a cikin narkakken tafkin baya tserewa gabanin ƙarfi na ƙarfe kuma ya kasance a cikin walda.Ana iya samun iskar gas ɗin ta narkakken tafkin daga waje, ko kuma yana iya haifar da shi ta hanyar amsawa a cikin aikin walda.
(1) Babban dalilan da ke haifar da ramukan iska: akwai tsatsa, tabon mai, da dai sauransu a saman karfen tushe ko filler, kuma adadin ramukan iska zai karu idan ba a bushe sandar walda da kwarara ba, saboda tsatsa. , Tabon mai, da danshi a cikin rufi da jujjuyawar sandar walda ya bazu cikin iskar gas a babban zafin jiki, yana ƙara abun ciki na iskar gas a cikin ƙarfe mai zafin jiki.Ƙarfin layin walda ya yi ƙanƙanta sosai, kuma saurin sanyaya na narkakken tafkin yana da girma, wanda ba shi da amfani ga tserewa daga iskar gas.Rashin isashshen deoxidation na ƙarfe na weld shima zai ƙara ƙarfin iskar oxygen.
(2) Cutar da busa: ramukan busa yana rage tasirin sashe mai tasiri na walda da sassauta walda, don haka rage ƙarfi da robobin haɗin gwiwa da haifar da zubewa.Porosity kuma wani abu ne da ke haifar da damuwa.Porosity na hydrogen kuma na iya taimakawa wajen fashe sanyi.
Matakan rigakafin:
a.Cire tabon mai, tsatsa, ruwa da sauran abubuwa daga wayar walda, tsagi mai aiki da saman gefenta.
b.Za a yi amfani da sandunan walda na alkaline da magudanar ruwa kuma a bushe sosai.
c.Za'a karɓi haɗin baya na DC da gajeriyar walda ta baka.
D. Yi zafi kafin walda don rage saurin sanyi.
E. Za a yi walda tare da ƙaƙƙarfan ƙayyadaddun bayanai.
Crackle
Matakan don hana faɗuwar kristal:
a.Rage abun ciki na abubuwa masu cutarwa kamar su sulfur da phosphorus, da walda da kayan da ke da ƙarancin abun ciki na carbon.
b.Ana ƙara wasu abubuwan gami don rage lu'ulu'u na columnar da rarrabuwa.Alal misali, aluminum da baƙin ƙarfe na iya tace hatsi.
c.Za a yi amfani da walda tare da shiga mara zurfi don inganta yanayin rarrabuwar zafi ta yadda ƙaramin abin narkewa yana yawo a saman weld kuma baya wanzu a cikin walda.
d.Za a zaɓi ƙayyadaddun walda a hankali, kuma za a karɓi preheating da bayan zafi don rage yawan sanyaya.
e.Ɗauki tsarin taro mai ma'ana don rage damuwa walda.
Matakan don hana sake zafi:
a.Kula da tasirin ƙarfafawar abubuwan ƙarfe da tasirin su akan sake fashewar fashewar.
b.Da kyau a yi zafi ko amfani da bayan zafi don sarrafa yawan sanyaya.
c.Rage saura danniya don guje wa damuwa.
d.Lokacin zafin jiki, guje wa yankin zafin jiki mai mahimmanci na sake zafafa fasa ko rage lokacin zama a wannan yankin zafin jiki.
Matakan don hana faɗuwar sanyi:
a.Dole ne a yi amfani da sandar walda mai ƙarancin hydrogen, a bushe sosai, a adana shi a 100-150 ℃, kuma a yi amfani da shi lokacin shan.
b.Za a ƙara yawan zafin jiki na preheating, za a ɗauki matakan dumama bayan, kuma yawan zafin jiki ba zai zama ƙasa da zafin jiki na preheating ba.Za a zaɓi ƙayyadaddun ƙayyadaddun walda mai ma'ana don guje wa gaggautsa da tsattsauran ra'ayi a cikin walda.
c.Zaɓi jerin walda mai ma'ana don rage lalacewar walda da damuwa walda.
d.Gudanar da maganin zafi na kawar da hydrogen a cikin lokaci bayan walda
Lokacin aikawa: Nuwamba-08-2022