執(zhí)行器IC20-15W3T芯科技，芯創(chuàng)新；88106042
使用狹縫以克服鋼水的滲透是一種較佳途徑，狹縫型供氣元件的防滲透能力、氣體可控能力強的特點已得到實際驗證。狹縫型噴粉元件作為底噴粉新工藝重要功能元件，在二次精煉底噴粉領域是屬于一種新的嘗試。研究設計既能防鋼水滲漏又能防粉劑堵塞的底噴粉元件結構進行底噴粉以實現(xiàn)鋼水脫硫、乃至脫氧合金化處理是首先要解決的關鍵問題；其次，粉氣流對噴粉元件的狹縫會產(chǎn)生摩擦和磨損，噴粉元件工藝的穩(wěn)定性及其使用壽命以適應鋼包精煉爐次的要求是需解決的第二個關鍵問題；涉及鋼包底噴粉精煉效率與效果的傳輸現(xiàn)象及反應工程學理論探索與描述是需要解決的又一個關鍵問題。
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BALLUFF INDUCTIVE SENSOR RPTA 1803-PU-03 *NEW IN BAG*
BALLUFF PROXIMITY SENSOR BES516-3017 BES5163017 E4-C-PU 10-30 V DC 150mA
BALLUFF PROXIMITY SENSOR BES516-3017 BES5163017 E4-C-PU 10-30 V DC 150mA
Balluff Photoelectric Emitter BLS 65K-1-G50-1
Balluff BTL5-M-2814-1S Transducer BTL5M28141S
alluff BTL5-M-2814-1S Transducer BTL5M28141S
Balluff BCSM18KM3-PSC80G-S04G Cap Active 24Vdc Proximity Switch BCSM18KM3 - USED
Balluff BCSM18KM3-PSC80G-S04G Cap Active 24Vdc Proximity Switch BCSM18KM3 - USED
BALLUFF INDUKTIVSENSOR BES 516-370-G-ES-Y-S49 OVP
BALLUFF BES 516-324-G-E4-C-PU-03, INDUCTIVE SENSOR, SENSING RANGE: 2MM, #233488
1 NIB BALLUFF BLS-18K-XX-1J-B1-L2 BLS18KXX1JB1L2 PROXIMITY SWITCH
BALLUFF P/n BES M12EG1-PSC60Z-S04G-S11
Balluff BES 5-6-3008-G-E4-C-PU-05 1.5mm N.O. Inductive Proximity Sensor
BALLUFF BESM12MD1-NSC60B-S04G PROXIMITY SENSOR *NEW IN FACTORY BAG*
BALLUFF BOS 18M-WO-7RB-BO-L PHOTOELECTRIC SENSOR 20-50VAC 45-65HZ
BALLUFF M12 2MM PROXIMITY SENSOR, RXT-1202-PU1 *NEW*
BALLUFF M12 2MM PROXIMITY SENSOR, RXT-1202-PU1 *NEW*
BALLUFF BES 516-324-G-E4-C-S49-00,2 INDUCTIVE SENSOR 10-30VDC 200MA, NEW #165298
BALLUFF 779685, BNS 542-B02-D12-72-10-FD-L2, Positionsschalter - NEU
BALLUFF BES 516 343-G-E5-C-S49 BES00TY *NEW* PROXIMITY SWITCH 10-30V DC
Balluff BES-516-209-S21-E Sensors
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R900407724 4 WEH 10 D2X/6AG24N9ETS2K4 SO 388
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R900345018 4 WEH 10 D2X/6AG24N9ETZ4
R900387332 4 WEH 10 D2X/6AG24N9ETZ4/11
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在65~6℃形成的珠光體用金相顯微鏡放大5倍，從珠光體的滲碳體上僅看到一條黑線，只有放大1倍才能分辨的片層，稱為索氏體。在6~55℃形成的珠光體用金相顯微鏡放大5倍，不能分辨珠光體片層，僅看到黑色的球團狀組織，只有用電子顯微鏡放大1倍才能分辨的片層稱為屈氏體。上貝氏體－過飽和針狀鐵素體和滲碳體的混合物，滲碳體在鐵素體針間。過冷奧氏體在中溫（約35~55℃）的相變產(chǎn)物，其典型形態(tài)是一束大致平行位向差為6~8od鐵素體板條，并在各板條間分布著沿板條長軸方向排列的碳化物短棒或小片；典型上貝氏體呈羽毛狀，晶界為對稱軸，由于方位不同，羽毛可對稱或不對稱，鐵素體羽毛可呈針狀、點狀、塊狀。
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