10KG懸浮爐坩鍋
10KG懸浮爐坩鍋
10KG懸浮爐坩(gan)鍋線圈
ZGXF系列真空感應懸浮熔煉爐
真空懸浮熔煉爐是用(yong)(yong)水冷(leng)坩(gan)(gan)堝(guo)(guo)(guo)(guo)電(dian)磁感(gan)應真空懸(xuan)浮(fu)(fu)熔(rong)(rong)煉(lian)(lian)方(fang)(fang)法,是在真空條件下將所(suo)熔(rong)(rong)煉(lian)(lian)的金(jin)(jin)屬(shu)(shu)(shu)(shu)或(huo)非(fei)金(jin)(jin)屬(shu)(shu)(shu)(shu)固體爐(lu)料(liao)(liao),置于感(gan)應線圈所(suo)形成的高(gao)頻(pin)(pin)或(huo)中(zhong)頻(pin)(pin)交變(bian)電(dian)場(chang)中(zhong),并利用(yong)(yong)通水冷(leng)卻的金(jin)(jin)屬(shu)(shu)(shu)(shu)坩(gan)(gan)堝(guo)(guo)(guo)(guo)作為磁場(chang)的“聚(ju)能(neng)器”,使能(neng)源(yuan)磁場(chang)能(neng)量(liang)集(ji)中(zhong)于坩(gan)(gan)堝(guo)(guo)(guo)(guo)容積空間(jian),進(jin)而在爐(lu)料(liao)(liao)的表(biao)層附近形成強大的渦電(dian)流,一(yi)方(fang)(fang)面釋(shi)放出焦耳熱(re)使爐(lu)料(liao)(liao)溶(rong)化,另一(yi)方(fang)(fang)面形成洛侖茲(zi)力(li)場(chang)使熔(rong)(rong)體懸(xuan)浮(fu)(fu)(或(huo)半(ban)懸(xuan)浮(fu)(fu))和(he)(he)攪拌(ban)。由于磁懸(xuan)浮(fu)(fu)的作用(yong)(yong),使熔(rong)(rong)體與(yu)坩(gan)(gan)堝(guo)(guo)(guo)(guo)內壁脫離(li)接(jie)觸(chu)(chu),這樣(yang)熔(rong)(rong)體與(yu)坩(gan)(gan)堝(guo)(guo)(guo)(guo)壁之間(jian)的散(san)熱(re)行為由傳導散(san)熱(re)改變(bian)為輻射散(san)熱(re),從(cong)而導致(zhi)散(san)熱(re)速度(du)(du)聚(ju)減。使熔(rong)(rong)體可(ke)達到很高(gao)的溫度(du)(du),(1700℃—2000℃)宜(yi)于熔(rong)(rong)煉(lian)(lian)高(gao)熔(rong)(rong)點金(jin)(jin)屬(shu)(shu)(shu)(shu)或(huo)其合金(jin)(jin)。更(geng)重要的方(fang)(fang)面是:熔(rong)(rong)煉(lian)(lian)時(shi)爐(lu)料(liao)(liao)的懸(xuan)浮(fu)(fu)將有效防止爐(lu)料(liao)(liao)與(yu)坩(gan)(gan)堝(guo)(guo)(guo)(guo)壁接(jie)觸(chu)(chu)所(suo)帶來(lai)(lai)的污染。宜(yi)于獲(huo)得高(gao)純度(du)(du)或(huo)極(ji)活潑的金(jin)(jin)屬(shu)(shu)(shu)(shu)與(yu)非(fei)金(jin)(jin)屬(shu)(shu)(shu)(shu)材料(liao)(liao)。再者(zhe),水冷(leng)坩(gan)(gan)堝(guo)(guo)(guo)(guo)是通過感(gan)應線圈的中(zhong)頻(pin)(pin)或(huo)高(gao)頻(pin)(pin)電(dian)流來(lai)(lai)控制熔(rong)(rong)體的升溫和(he)(he)懸(xuan)浮(fu)(fu),因而有可(ke)能(neng)實現很好(hao)的控制能(neng)力(li),同時(shi)感(gan)應加(jia)熱(re)方(fang)(fang)法本身(shen)就是一(yi)種非(fei)接(jie)觸(chu)(chu)的加(jia)熱(re)方(fang)(fang)式,避免了用(yong)(yong)等(deng)離(li)子束、電(dian)子束等(deng)加(jia)熱(re)方(fang)(fang)法給(gei)坩(gan)(gan)堝(guo)(guo)(guo)(guo)和(he)(he)金(jin)(jin)屬(shu)(shu)(shu)(shu)溶(rong)液帶來(lai)(lai)的沖擊與(yu)揮(hui)發。這方(fang)(fang)面水冷(leng)坩(gan)(gan)堝(guo)(guo)(guo)(guo)感(gan)應熔(rong)(rong)煉(lian)(lian)方(fang)(fang)法有著特(te)殊(shu)的意義。
ZGXF—0.5 | ZGXF--2 | ZGXF--5 | ZGXF--10 | ZGXF--15 | ZGXF--20 | |
坩堝容(rong)量KG | 0.5 | 2 | 5 | 10 | 15 | 20 |
中頻功(gong)率KW | 65 | 160 | 250 | 350 | 400 | 500 |
中頻(pin)頻(pin)率KHz | 20 | 8 | 8 | 8 | 8 | 8 |
中頻電壓(ya)V | 250 | 250 | 400 | 400 | 500 | |
極限(xian)真空Pa | 6.6x10-1 | 6.6x10-3 | 6.6x10-3 | 6.6x10-3 | 6.6x10-3 | 6.6x10-3 |
工作真空Pa | 4 | 6.6x10-2 | 6.6x10-2 | 6.6x10-2 | 6.6x10-2 | 6.6x10-2 |
真空(kong)壓升率Pa | 3pa/h | |||||
冷卻水壓MPa | 爐體(ti)及電源部分0.2-0.3MPa 水(shui)冷銅坩堝部分0.4-0.5MPa | |||||
冷卻水量M3 | 3 | 25 | 30 | 35 | 40 | 45 |
設備質量t | 1 | 3.5 | 4.5 | 5 | 5 | 5.5 |
設備占地 | 1x2 | 3x4 | 3x4.5 | 3.5x5 | 3.5x5 | 3.5x5 |