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| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進(jìn)行查看 | |||
jianing116金蟲 (文學(xué)泰斗)
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[交流]
繼續(xù)求翻譯的一段話，謝謝啦~60金幣酬謝您~有幫助的會追加懸賞的咯
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| A baseline was established at current operating conditions by carrying out two Diagnostics™ Scans — one active area and one through the centre downcomers. The active area scan did not reveal anything remarkable about the tray hydraulics. The tray active areas held reasonable levels of liquid and their vapour spaces were relatively clear. However, the centre downcomer scan showed a very interesting phenomenon. The top centre downcomer, below Tray 39, looked normal. But the data showed that the rest of the centre downcomers had a layer of more dense, less aerated liquid suspended in the middle rather than at the bottom of the downcomer. In addition, the scan showed that there was some frothing material above these centre downcomers. Remarkably, it appeared that vapour was bypassing through the centre downcomers as there was no liquid seal at the bottom of these. Apparently this vapour bypass was enough of a separation efficiency loss to cause the slightly off-specification overhead flow. |
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jianing116(金幣+60, 翻譯EPI+1):哥，你太強(qiáng)大了~ 2010-10-30 20:39:23
| 通過Diagnostics™兩種掃描——有效區(qū)域與降液管穿行有效區(qū)域掃描，可以建立在當(dāng)前操作條件的正常操作基線。有效區(qū)域掃描并不能曝露出塔盤水力學(xué)的重要信息。塔盤的有效區(qū)域擁有合理的持液量，并且氣液分割清晰。然而，中央降液管的掃描暴露出一個非常有趣的問題。塔頂39層之下的中心降液管正常運行。這些數(shù)據(jù)顯示，與塔底的降液管相比，其余的中心降液管中存在濃稠的、低充氣率的液體。此外，掃描還顯示這些降液管的中心存在一些發(fā)泡物質(zhì)。值得注意的是，由于降液管的底部沒有被液封，氣相從降液管中心迂回通過。明顯地，氣流的迂回穿行將會導(dǎo)致塔頂產(chǎn)品偏離質(zhì)量規(guī)格。 |
2樓2010-10-30 18:50:06
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