Kuki ubwiza bwa MgO ari ingenzi cyane mu gushyushya ibicuruzwa?
Ku bakora amashanyarazi ashyushya amashanyarazi, ifu ya magnesium (ifu ya magnesium oxyde, MgO) n "" umutima "wumuyoboro ushyushya amashanyarazi. Ubwiza bwayo bugena neza umutekano, imikorere, nubuzima bwa serivise yubushyuhe.
Ifu ya Magnesium ni iki?
Izina ryukuri rya "ifu ya magnesium oxyde" ni MgO, ifumbire ya ionic igizwe na magnesium na ogisijeni. Ni ifu yera, idafite impumuro nziza, kandi idafite uburyohe.
Mubikorwa byinshi byinganda, nkibikoresho byo gushyushya amashanyarazi, icyo twita "ifu ya magnesium" mubyukuri ni "ifu ya magnesium oxyde" (MgO), ibikoresho bihamye, bitari - byaka umuriro, bitandukanye cyane nifu ya magnesium yumuriro.
Ni ukubera iki ari ngombwa gukoresha ifu nziza ya magnesium oxyde nziza mu gushyushya ibintu?
Ibi biva mubintu bine byingenzi, bigena neza imikorere, umutekano, nubuzima bwibintu byo gushyushya:
1. Kwigana bihebuje
Magnesium oxide is an excellent insulator with an extremely high resistivity (>10¹³ Ω · cm ku bushyuhe bwicyumba). Itandukanya byimazeyo insinga zishyushya ingufu (insinga zo guhangana) nicyuma gikikije icyuma, kirinda kumeneka cyangwa imiyoboro migufi no kurinda umutekano wabakoresha. Nibikorwa byibanze.
2. Imyitwarire myiza yubushyuhe
Ubushyuhe bwa Magnesium oxyde (hafi 30 - 40 W / (m · K)) iruta kure iy'umwuka. Ikora neza kandi iringaniza ubushyuhe bwo hejuru - ubushyuhe butangwa ninsinga zishyushya kumurongo wicyuma, hanyuma mukintu gishyushye. Ibi ntabwo bizamura imikorere yubushyuhe gusa ahubwo binarinda kwirundanyiriza ubushyuhe mumashanyarazi, bishobora gutuma habaho ubushyuhe bukabije ndetse n’umuriro, bityo bikongerera igihe cyacyo . 3. Imiti ihanitse kandi irwanya ubushyuhe bwinshi
3.Icyuma cya magnesium oxyde ifite aho gishonga kigera kuri dogere 2800.
Irahagaze cyane kubushyuhe busanzwe bwo gukora ibintu bishyushya (dogere selisiyusi ijana kugeza ibihumbi). Ntishobora kubora, guhindagurika, cyangwa gufata imiti hamwe ninsinga zishyushye zifunze cyangwa icyuma cyuma cyuma, byemeza igihe kirekire - kwizerwa.
4. Imbaraga Zimashini Zikomeye hamwe nubunini bwo gupakira
Mugihe cyo gukora ibintu byo gushyushya ibintu, habaho "igituba kigabanuka", aho umuyoboro wicyuma uhagarikwa nigitutu kinini kugirango ugabanye ifu ya magnesium imbere. Ifu yo hejuru - ifu ya magnesium oxyde nziza hamwe nogukwirakwiza neza ingano irashobora kwihanganira uyu muvuduko udasenyutse. Nyuma yo guhuzagurika, igera ku bwinshi cyane bwo gupakira, ikuraho icyuho cyimbere, ikagabanya ubwinshi bwimikorere nubushyuhe bwumuriro, kandi ikarinda kwangirika kwimikorere kubera kunyeganyega.
Ukurikije iyi miterere, ifu ya magnesium oxyde ikoreshwa cyane cyane muri:
Ibikoresho byo gushyushya: Aka gace kanini gakoreshwa. Ikoreshwa mubintu bitandukanye byo gushyushya tubular (gushyushya tubes), gushyushya ibyuma, gushyushya amasahani, nibindi bikorwa. Bikunze kuboneka mumashanyarazi, amashyiga, ubushyuhe bwo mu kirere, amashyiga yinganda, nibindi byinshi.
Ku isoko, ifu ya magnesium isanzwe / hagati - igizwe na 98% kugeza kuri 99.3% ya MgO yera, irata insuline nziza hamwe nubushyuhe bwumuriro, hamwe neza - igenzura iyinjira ryamazi. Yujuje ibisabwa muri rusange - intego yo gushyushya amashanyarazi, bigatuma ihitamo gukundwa cyane mubikoresho bikenerwa murugo nka keteti y'amashanyarazi, amashyiga, amashyiga ya microwave, abateka umuceri, hamwe nubushyuhe bwamazi.
Imbonerahamwe rusange na Micrometero (μm) Imbonerahamwe yo Guhindura:
|
Mesh |
Aperture (μm) |
Ibisobanuro byokoreshwa muri Powder ya Magnesium |
|
20 - 40 mesh |
850 - 425 μm |
Ibice bito bikoreshwa mugukora urwego nyamukuru no gutanga inkunga. |
|
40 - 100 mesh |
425 - 150 μm |
Ibice biciriritse nibintu byingenzi bigize umubiri wifu. |
|
100 - 325 mesh |
150 - 45 μm |
Ibice byiza bikoreshwa mukuzuza icyuho kiri hagati yibice bito. |
|
-325 mesh |
< 45 μm |
Ultra - ifu nziza, ikoreshwa mukuzuza icyuho gito cyane, ariko byinshi birashobora kugira ingaruka kubitemba. |
NiguteMgOgutoranya hashingiwe ku gushyushya diameter diameter no gushyushya insinga?
Mugihe uhitamo ifu ya magnesium, nyamuneka sobanura ibikoresho, ikoreshwa, diameter, n'uburebure bwibintu bishyushya.
A.Ku gushyushya igituba gifite umurambararo wa 8mm cyangwa irenga, koresha 40 - 325 mesh ya magnesium ya meshi yo hagati - hamwe nubushyuhe buke, nko mubintu byo gushyushya umuceri.
Mu gushyushya igituba gifite umurambararo wa 7 - 8mm, koresha 50 - 325 mesh ya magnesium ya mesh ya meshi yo hagati yubushyuhe bwo hagati nubushyuhe bwo hejuru, nko mubyuma na kettine.
Kugirango ushushe igituba gifite umurambararo wa 6.5mm cyangwa munsi yacyo, koresha 60 - 325 mesh ya magnesium ya meshi kugirango ukoreshe ubushyuhe bwinshi, nko mu ziko no mu kirere.
Imashini ya Davinci igukorera iki?
Davinci afite ubuhanga mubikoresho bito, harimo no gushyushya ibintu, mumyaka 15. Ntabwo dutanga ibikoresho gusa, ahubwo tunatanga ibikoresho bibisi. Kubitangira, dutanga serivisi imwe - guhagarika serivisi zamasoko, dufasha abakiriya guhitamo umurongo ukwiye wo gukora no kugera kubicuruzwa byiza byihuse, bikiza ibibazo byinganda zidafite uburambe.
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