芯科技，芯創(chuàng)新；執(zhí)行器，IC40SA3DR10，88300876
為減輕對(duì)閥桿的磨擦，有的場(chǎng)合，可以加二硫化鉬（MS2）或其他潤(rùn)滑劑。目前，對(duì)新穎填料，正進(jìn)行著探索。用聚腈纖維經(jīng)聚四氟乙烯乳液浸漬，又經(jīng)預(yù)氧化后，在模具中燒結(jié)壓制，可以得到密封性能優(yōu)異的成型填料；又如用不銹鋼薄片與石棉制成波形填料，可耐高溫、高壓與腐蝕。波紋管密封隨著化學(xué)工業(yè)和原子能工業(yè)的迅速發(fā)展，易燃、易爆、劇毒和帶放射性的物質(zhì)增多，對(duì)閥門密封有了更嚴(yán)格的要求，有的場(chǎng)合已無法使用填料密封，因此產(chǎn)生了新的密封形式－波紋管密封。
ALLEN BRADLEY觸摸屏 2711NL5
ALLEN BRADLEY觸摸屏 2711NL6
ALLEN BRADLEY觸摸屏 2711NL7
ALLEN BRADLEY觸摸屏 2711NL9
ALLEN BRADLEY觸摸屏 2711NM13
ALLEN BRADLEY觸摸屏 2711NM15
ALLEN BRADLEY觸摸屏 2711NM2
ALLEN BRADLEY觸摸屏 2711NM232
ALLEN BRADLEY觸摸屏 2711NR5K
ALLEN BRADLEY觸摸屏 2711NR7T
ALLEN BRADLEY觸摸屏 2711NV7K
ALLEN BRADLEY觸摸屏 2711NV7T
ALLEN BRADLEY觸摸屏 2711PB10C22A9P
ALLEN BRADLEY觸摸屏 2711PB10C22A9PB
ALLEN BRADLEY觸摸屏 2711PB10C22D9P
ALLEN BRADLEY觸摸屏 2711PB10C22D9PB
ALLEN BRADLEY觸摸屏 2711PB10C4A8
ALLEN BRADLEY觸摸屏 2711PB10C4A9
ALLEN BRADLEY觸摸屏 2711PB10C4D8
ALLEN BRADLEY觸摸屏 2711PB10C4D9
ALLEN BRADLEY觸摸屏 2711PB12C4A8
ALLEN BRADLEY觸摸屏 2711PB12C4A9
ALLEN BRADLEY觸摸屏 2711PB12C4D8
ALLEN BRADLEY觸摸屏 2711PB12C4D9
ALLEN BRADLEY觸摸屏 2711PB15C22A9P
ALLEN BRADLEY觸摸屏 2711PB15C22A9PB
ALLEN BRADLEY觸摸屏 2711PB15C22D9P
ALLEN BRADLEY觸摸屏 2711PB15C22D9PB
ALLEN BRADLEY觸摸屏 2711PB15C4A8
ALLEN BRADLEY觸摸屏 2711PB15C4A9
ALLEN BRADLEY觸摸屏 2711PB15C4D8
ALLEN BRADLEY觸摸屏 2711PB15C4D9
ALLEN BRADLEY觸摸屏 2711PB4C20A8
ALLEN BRADLEY觸摸屏 2711PB4C20D8
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
R900414568 4 WEH 10 D2X/6AG110NZ5L
R900358832 4 WEH 10 D2X/6AG12NETD/5
R900368745 4 WEH 10 D2X/6AG12NETD/V/5
R900358435 4 WEH 10 D2X/6AG12NETZ4
R900388912 4 WEH 10 D2X/6AG12NETZ4/5
R900354240 4 WEH 10 D2X/6AG12NETZ4/B08
R900413035 4 WEH 10 D2X/6AG12NZ4
R900352457 4 WEH 10 D2X/6AG196NETZ5/B08
R900416922 4 WEH 10 D2X/6AG220NTSZ5L
R900409160 4 WEH 10 D2X/6AG220NZ5L
R900499329 4 WEH 10 D2X/6AG24ETSZ4
R900499805 4 WEH 10 D2X/6AG24ETZ4
R900379586 4 WEH 10 D2X/6AG24ETZ4 SO 388
R900391304 4 WEH 10 D2X/6AG24ETZ5L
R900340294 4 WEH 10 D2X/6AG24EZ4
R900341743 4 WEH 10 D2X/6AG24N9ES2Z4 SO 388
R900483957 4 WEH 10 D2X/6AG24N9ETK4
R900492630 4 WEH 10 D2X/6AG24N9ETK4/B08
R900357750 4 WEH 10 D2X/6AG24N9ETK4/T06
R900407723 4 WEH 10 D2X/6AG24N9ETS2K4
R900407724 4 WEH 10 D2X/6AG24N9ETS2K4 SO 388
R900361801 4 WEH 10 D2X/6AG24N9ETS2Z4
R900345018 4 WEH 10 D2X/6AG24N9ETZ4
R900387332 4 WEH 10 D2X/6AG24N9ETZ4/11
R900385199 4 WEH 10 D2X/6AG24N9ETZ4/B08
R900337664 4 WEH 10 D2X/6AG24N9ETZ5L
可以看出，二段磨礦時(shí)間增加時(shí)，鐵的品位和回收率都呈上升趨勢(shì)，但磷品位在磨礦時(shí)間為2min時(shí)有較大的降低，應(yīng)是嵌布粒度較細(xì)的脈石礦物在此時(shí)可以充分與鐵礦物解離，并且不會(huì)發(fā)生團(tuán)聚。故確定第二段磨礦時(shí)間為2min，粒度為－16μm粒級(jí)占1％，－8.93μm粒級(jí)占9％。煤用量試驗(yàn)固定其他條件不變，考察了焙燒過程中煤用量的影響隨著煤用量的增加，鐵的品位和回收率均增加，磷的品位降低，此過程中煤可以同原礦充分反應(yīng)，將原礦中的Fe2O3還原，但當(dāng)煤用量超過4%時(shí)，煤在反應(yīng)中過量，雖然對(duì)鐵的回收率仍有一定的提高，但會(huì)影響到脫磷劑脫磷的效果，同時(shí)鐵的品位略有降低。
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