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Silicon Nitride Degassing Rotor ma Degassing Machine no ka Aluminum Foundry
Mea Mana Kiekie
Kūleʻa Wear kiʻekiʻe
Kū'ē Kū'ē kiʻekiʻe
Nā hiʻohiʻona kumu
ʻO ka silicon nitride degassing rotor, me ka silicon nitride ma ke ʻano he kumu kumu, hoʻohui i ka hoʻolālā ultra-kiʻekiʻe-wikiwiki a me ka mana hoʻonohonoho pololei, e loaʻa ana i nā holomua hana i ke kaʻina degassing o ka hana alumini. ʻO kāna mau hiʻohiʻona nui penei:
I. Pono Mea Pono: Ke kū'ē i ka wela, ka pale lole, a me ka hoʻohaumiaʻole
- ʻO ke kūlana kiʻekiʻe ma luna o ka Graphite: Hana ʻia ka rotor a me ka impeller me ka nitride silika. ʻOi aku ka maikaʻi o kāna hana ʻana i ka graphite, e kākoʻo ana i ka hoʻololi ultra-kiʻekiʻe-wikiwiki (a hiki i 8,000 rpm) a hoʻonui nui i ke ola lawelawe.
- ʻO ke kiʻekiʻe - ke kū'ēʻana i ka wela:ʻaneʻaneʻaʻohe oxidation i nā wahi wela wela, e pale loa i ka pilikia o ka "hoʻohaumia i ka alumini hoʻoheheʻe" a me ka hōʻoiaʻana i ka maʻemaʻe o ka huahana.
- Chemical Inertness: ʻAʻole ia e pane me ka alumini hoʻoheheʻe ʻia, e mālama mau ana i ka hopena degassing maikaʻi loa no ka manawa lōʻihi. ʻAʻohe pono e hopohopo e pili ana i ka hoʻohaʻahaʻa waiwai e pili ana i ka hana.
II. Pono Pono: Kūpaʻa Kiʻekiʻe - Hana wikiwiki, Paha Molten Surface
- Ultra - High Concentricity: Hoʻomalu pono ʻia ka concentricity o ka rotor i loko o 0.2 mm (kahi 1 "silk" = 0.01 mm). I ka wā o ka hoʻololi ʻana i ka wikiwiki, liʻiliʻi loa ka haʻalulu, e hoʻopau ana i ka loli ʻana o ka wai i hoʻokumu ʻia e ka eccentricity.
- Pūnaehana Hoʻohui Pono: ʻO ke poʻo rotor a me ke kumu hoʻohui i hana ʻia me ke kila kila, me ka pololei o ka hana ʻana a hiki i ka pae 0.01 - mm. Hoʻohui ʻia me ka hui kikoʻī kiʻekiʻe, loaʻa ka "concentric high - speed driving", e hōʻemi ana i ka loli o ka ʻili alumini hoʻoheheʻe ʻia a me ka hōʻoia ʻana i ka paʻa o ka hana.
III. Hoʻomaikaʻi i ka hana: ʻoi aku ka maikaʻi, ka hilinaʻi, a me ka hoʻemi ʻana i ke kumukūʻai
- ʻO ke kiʻekiʻe kiʻekiʻe + ka ikaika kiʻekiʻe: ʻO kēia mau waiwai ʻelua e hōʻoia i ka hilinaʻi o ka hale a ʻaʻohe pilikia deformation i ka wā o ka hana ultra-kiʻekiʻe-wikiwiki, hiki iā ia ke hoʻololi i nā kūlana hana koʻikoʻi.
- Nā Pōmaikaʻi Hoʻohālikelike ʻokoʻa: Ke hoʻohālikelike ʻia me nā rotors graphite, lawe ia i kahi alakaʻi piha i ke ola lawelawe, ka pale ʻana i ka pollution, a me ka wikiwiki wikiwiki. Hoʻemi ia i ke alapine o ka mālama pani ʻana a hoʻomaikaʻi pololei ʻole i ka hana hana.
ʻIkepili ʻenehana
| Nā hiʻohiʻona | Nā pōmaikaʻi |
|---|---|
| Mea waiwai | graphite kiʻekiʻe |
| ʻO ka wela hana kiʻekiʻe loa | A hiki i 1600°C |
| Pale ʻino | Maikaʻi, mālama i ka pono o ka alumini hoʻoheheʻe |
| Ola lawelawe | Ka lōʻihi, kūpono no ka hoʻohana pinepine |
| ʻO ka hoʻopuehu kinoea maikaʻi | Hoʻonui ʻia, e hōʻoia ana i kahi kaʻina hoʻomaʻemaʻe like |
Pehea e koho ai i ka Degassing Impeller?
ʻAno F Rotor Φ250×33
Ma muli o ka hoʻolālā kūikawā o kāna mau impeller grooves a me nā niho peripheral o waho, ʻo Type F e hana i nā ʻōpū liʻiliʻi. ʻO kona nui impeller nui e hoʻonui i ka hoʻopuehu ʻana i loko o ka alumini hoʻoheheʻe ʻia, ʻoiai ʻo ka impeller ʻoi aku ka liʻiliʻi e hoʻemi i ka fluctuations ili o ka heheʻe.
Hoʻohana: He kūpono no nā laina hoʻoheheʻe ʻana o ka palahalaha nui a me nā laina hoʻoheheʻe ʻia (pālua - rotor a triple - rotor degassing system).
ʻAno B Rotor Φ200×30
Hoʻokumu ka ʻōnaehana impeller o Type B i ke kaomi kūpono e hana i nā ʻōhū liʻiliʻi a ʻaʻahu ʻoiai e hōʻemi ana i ka haʻalulu wela.
Noi: He kūpono no ka hoʻolei ʻana a me ka ʻōwili ʻana i nā laina hoʻoheheʻe (hoʻokahi - nā ʻōnaehana degassing rotor).
ʻAno D Rotor Φ200×60
Hōʻike ʻia ʻo Type D i kahi hoʻolālā huila papalua-papa ʻano huila, hiki i ka hoʻoulu maikaʻi ʻana a me ka hoʻolaha ʻana o nā ʻōhū.
Noi: He kūpono no nā laina hoʻoheheʻe kiʻekiʻe (pālua - nā mea hoʻoheheʻe rotor).
ʻAno A
ʻAno C
ʻO nā mea waiwai silika Nitride Ceramic akaka nā pono
ʻO ke ola lōʻihi a me nā koina mālama haʻahaʻa
Ma muli o ka ikaika kiʻekiʻe o ka wela, ka ikaika o ka haʻalulu wela, a me ke kūpaʻa maikaʻi ʻana o ka silicon nitride ceramics, ʻoi aku ko lākou ola lawelawe ma mua o hoʻokahi makahiki, no laila e hōʻemi ana i nā kumukūʻai hoʻololi a mālama.
ʻAʻohe pollution i ka alumini hoʻoheheʻe
He haʻahaʻa haʻahaʻa ka hiki ke hoʻoheheʻe ʻia ʻo Silicon nitride i nā metala i hoʻoheheʻe ʻia a ʻaʻole hiki ke hana me ka alumini hoʻoheheʻe. No laila, ʻaʻole ia e kumu i ka pollution lua i ka alumini hoʻoheheʻe ʻia, he mea kōkua nui ia no ka hoʻopaʻa ʻana i ka maikaʻi o nā huahana hoʻolei.
ʻOi aku ka maʻalahi o ka hoʻokomo a me ka mālama ʻana
Hiki i ka silikon nitride ceramics ke mālama i ka ikaika flexural ʻoi aku ma mua o 500MPa a me ke kūpaʻa haʻalulu wela maikaʻi ma lalo o 800 ℃. No laila, hiki ke hoʻemi ʻia ka mānoanoa o ka pā o ka huahana. Eia kekahi, ma muli o kona haʻahaʻa haʻahaʻa haʻahaʻa i nā metala i hoʻoheheʻe ʻia, ʻaʻohe pono e hoʻopili i kahi uhi uhi, kahi e maʻalahi ai ka hoʻonohonoho ʻana a me ka mālama ʻana i nā mea hana.
Papa Hoʻohālikelike o ke kumukūʻai-hana o nā mea immersion maʻamau i loko o ka ʻoihana hana alumini
| Māhele | Papa kuhikuhi | Silicon Nitride | Ka hao hao | graphite | Pane-Sintered SiC | Hoʻopili ʻia ʻo Carbon-Nitrogen | Aluminum Titanate |
|---|---|---|---|---|---|---|---|
| Paipu Hoomalu Pumehana | Lākiō ola | >10 | — | — | 3–4 | 1 | — |
| Kumukuai Laki | >10 | — | — | 3 | 1 | — | |
| Uku-Hana | Kiʻekiʻe | — | — | Kauwaena | Haʻahaʻa | — | |
| Paipu Hapai | Lākiō ola | >10 | 1 | — | — | 2 | 4 |
| Kumukuai Laki | 10–12 | 1 | — | — | 2 | 4–6 | |
| Uku-Hana | Kiʻekiʻe | Haʻahaʻa | — | — | Kauwaena | Kauwaena | |
| Rotor hoʻoheheʻe ʻia | Lākiō ola | >10 | — | 1 | — | — | — |
| Kumukuai Laki | 10–12 | — | 1 | — | — | — | |
| Uku-Hana | Kiʻekiʻe | — | Kauwaena | — | — | — | |
| Paipu Sila | Lākiō ola | >10 | 1 | — | — | — | 4–5 |
| Kumukuai Laki | >10 | 1 | — | — | — | 6–7 | |
| Uku-Hana | Kiʻekiʻe | Haʻahaʻa | — | — | — | Kauwaena | |
| Paipu Pale Thermocouple | Lākiō ola | >12 | — | — | 2–4 | 1 | — |
| Kumukuai Laki | 7–9 | — | — | 3 | 1 | — | |
| Uku-Hana | Kiʻekiʻe | — | — | Kauwaena | Haʻahaʻa | — |
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