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電泳超濾系統(tǒng)簡介中英對照版

1351 人參與  2012年02月08日 08:51  分類 : 電泳設(shè)備 電泳設(shè)備工藝  評論
Ultrafilters -超濾機(jī):Ultrafilter (UF) system designs should be obtained from UF membrane suppliers. The system should be designed to provide a minimum 3.0 gallons per minute of ultrafiltrate for each 100 ft.2/minute of coatable surface area. The ultrafilter has two purposes: it supplies adequate ultrafiltrate to operate a closed-loop rinse? system, and it purges paint of water-soluble impurities. 超濾器系統(tǒng)的設(shè)計(jì)要從超濾膜供應(yīng)廠獲得,系統(tǒng)要設(shè)計(jì)成能為100平方英尺/分的涂裝面積提供3.0加侖/分的超濾液,超濾有兩個(gè)目的:為有效閉路沖洗系統(tǒng)供應(yīng)充足的超濾液和凈化漆中水溶性雜質(zhì)。 Ultrafiltrate discharge should be treated like other electrocoat disposal wastes. Lost ultrafiltrate from purging should be replaced with fresh DI water. 排放的超濾液要與其它電泳廢水一樣處理,凈化排放的超濾液損失量要用新鮮的去離子水補(bǔ)充。 The ultrafiltrate holding tank, if built of mild steel, should be coated with the same materials as the storage tank to prevent vapor-phase corrosion. The tank may also be made of stainless steel or fiberglass. In any case, the tank should overflow by gravity to the all ultrafiltrate rinses and electrocoat bath. 如果用低碳鋼制造超濾液儲用槽要涂環(huán)氧材料以防止氣相符時(shí),亦可用不銹鋼或玻璃鋼制成。無論如何,超濾液儲槽都應(yīng)設(shè)計(jì)能靠重力溢流至所有超濾液循環(huán)沖洗槽和電泳槽。 The ultrafiltrate normally returns to the tank by way of rinses. However, piping should be designed to permit return of the permeate from the ultrafilter directly to the paint tank. If ultrafilters are to operate while paint is in storage, piping must be capable of returning permeate directly to the holding tank. 超濾液一般是沿沖洗途徑返回到電泳槽中。然而,也要設(shè)計(jì)能使?jié)B透液從超濾器直接返回到點(diǎn)泳槽的管路,如果槽液在轉(zhuǎn)移槽,超濾裝置仍運(yùn)行,這管路必須能使超率液直接返回到轉(zhuǎn)移槽中。 Ultimately, ultrafilters lose capacity; however, flux rate can be recovered through appropriate cleaning. The ultrafilter should be sized to provide 3.0 gallons per minute of ultrafiltrate for each 100 ft.2?/minute of coatable surface area even when flux rate is at low level. 超濾裝置會因顏料堵塞超濾膜以至滲透液生產(chǎn)量下降,此時(shí)如果通過適當(dāng)清洗,流量可得到恢復(fù)。但超濾裝置的規(guī)格必須大一些,即使在低的滲透量時(shí)也可為每100平方英尺/分得涂裝面積供應(yīng)3.0加侖/分的超濾液。 Cleaning should occur before ultrafilters drop below 70% of rated capacity. 超濾裝置流量下降到設(shè)計(jì)流量的70%之前,就應(yīng)進(jìn)行清洗。
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