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電泳槽前端過濾的設(shè)計(jì)中英對(duì)照版

1375 人參與 2011年12月14日 01:31 分類 : 電泳設(shè)備電泳設(shè)備工藝評(píng)論

?Bottom Front End Filtration??????????? 槽前端過濾

Filtering paint drawn from the floor of the tank at the bottom of the entrance decline has been proven essential to the removal of dirt from the paint. This concept is known as bottom front-end filtration. It is most effective for tanks having one-directional paint flow on the bottom of the tank. Bottom front-end filtration (for new construction) has two basic designs (see Figure 5)

實(shí)踐證明，要從電泳槽中除去雜質(zhì)需從槽底的進(jìn)口傾斜面處抽出過濾漆液。這個(gè)概念稱為槽底前端過濾，它對(duì)具有單一流向的槽最有效。槽前端過濾（作為新結(jié)構(gòu)）有兩種基本設(shè)計(jì)（見圖5）：

The simplest of these is a floor box. A shallow trough 12 x 12 inches (30 x 30 cm.) is constructed the width of the tank at the bottom of the entrance decline (below floor level) to act as a collection site for dirt and allow for complete drainage. Three suction headers (pump controlled) are installed in parallel to effect uniform suction along the width of the trough. 第一種是稱為“底盒”的最簡(jiǎn)單設(shè)計(jì)，將進(jìn)口端傾斜面底部（低于槽底）沿槽寬方向設(shè)計(jì)成12x12英吋(30 x 30 cm.)淺槽，起收集染質(zhì)作用。在同一方向沿槽寬安裝三個(gè)用泵控制的三個(gè)吸口，均勻析出槽液。 The second design, the plated funnel, consists of an extension box attached to the tank floor below the entrance decline which has funnel-shaped side walls ending in a single suction header. The top of the box is an adjustable plate which extends the width of the tank to regulate paint flow into the funnel. The plate is angled so that it forms the lower portion of the entrance decline. Adjustment of the plate is usually made only when the tank is first filled. This design is used mainly for vertical pump systems equipped with pump wells. However, it can be used with either pumping system. 第二種設(shè)計(jì)為“沉積漏斗”，由一個(gè)附于槽底板進(jìn)口傾斜底部的延伸狀的盒體組成，漏斗狀邊壁端部是一個(gè)吸管口，盒體上部是一塊覆蓋槽寬的可調(diào)平板，用于調(diào)節(jié)漆液流入漏斗。此板宜傾斜布置，使之構(gòu)成進(jìn)口端傾斜底的最低部分。通常，在首次建槽加料時(shí)對(duì)此板進(jìn)行調(diào)整。這種設(shè)計(jì)主要用于配有泵池的立式泵系統(tǒng)。事實(shí)上任何形式的泵系統(tǒng)均可用。 Fifty to sixty percent of the circulated paint should be drawn from the bottom front-end filtration system. Non-conductive screens (FRP, fiberglass, or coated stainless steel) of adequate strength should be installed to prevent large debris from entering and blocking the piping system. The screen's open surface area should be as large as possible to facilitate circulation and to prevent plugging from debris. Two-inch grating works well. This type system is used for both horizontal and vertical pumping systems. 有50-60%的循環(huán)漆液需要通過槽底前端過濾系統(tǒng)。為防止大顆粒染質(zhì)進(jìn)入并堵塞泵體，應(yīng)裝有適當(dāng)強(qiáng)度的不導(dǎo)電篩網(wǎng)（纖維增強(qiáng)塑料，玻璃纖維或涂漆不銹鋼），篩網(wǎng)的開孔面積應(yīng)盡可能大，以利于保證循環(huán)及防止染質(zhì)堵塞。2英寸的網(wǎng)格較好。此種類型只適用于臥式泵系統(tǒng)。

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