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摘要
這次畢業(yè)設(shè)計(jì)的目的是對(duì)噴涂室中排出的油漆混合氣體進(jìn)行處理，油漆是一種有毒的化學(xué)物質(zhì)，在噴涂過(guò)程中，很大一部分漆霧不能附著在工件上，而這部分油漆，呈霧狀混合在噴涂室的空氣中，直接排放到空氣中對(duì)操作工人的身體危害很大，而且也非常污染環(huán)境。
本設(shè)計(jì)油漆捕集由兩部分組成：主捕集箱和副捕集箱。主捕集箱內(nèi)安裝有氣流導(dǎo)向用的螺旋片，副捕集箱內(nèi)裝有三套復(fù)合式折流擋板，在副捕集箱尾部的過(guò)濾棉保持架內(nèi)可安放過(guò)濾棉?；旌掀犰F從主捕集箱的進(jìn)氣口進(jìn)入主箱后，順著螺旋片沿外壁旋轉(zhuǎn)，由于主捕集箱體為錐形，油漆將最大限度的被甩向側(cè)壁，并沿壁流入主回收容器。一次處理過(guò)的混合氣體將從螺旋片底部管道向上導(dǎo)入副捕集箱中。在副捕集箱內(nèi)，與多塊復(fù)合折流板發(fā)生折流效應(yīng)，油漆將在復(fù)合擋板上析出，并順壁流入箱底。經(jīng)二次處理后的混合氣體內(nèi)還含有少量的油漆通過(guò)副捕集箱尾部的過(guò)濾棉后幾乎可以去除。
關(guān)鍵詞：漆霧 回收利用
Abstract
The purpose of the graduation design is to deal with the paint mixing gas expel from spraying room .The paint is a toxic chemicals,but in spray process ,a large part of the paint can't be used fully,and this part of the paint is mixing in the gas ..If this mixed gas direct emissions into the air will be very harmful to the operate workers and it's a serious pollution to the environment.
The design of painting collection is composed of two parts: the main collecting box and an auxiliary collecting box. The main collection box is installed with a flow guiding with the spiral sheet, deputy collector box is provided with three sets of composite type baffle plate, in the collection box tail cotton filter holder can be placed filtering cotton. Mixed paint mist from the main collection box inlet into the main tank, along the spiral sheet along the outer wall rotation, because the main collecting box is conical, the paint will maximize is thrown to the side walls, and along the wall flow in the recovery container. Before the gas mixture to be from the spiral piece bottom pipe upwards into the Deputy collector box. In the collecting box, and a plurality of compound baffle baffle effect occurs, paint in composite baffle on precipitation, and along the wall into the bottom. After two times of treatment in the mixed gas containing a small quantity of paint through the Deputy collector box end of the filtering cotton almost can be removed.
Keywords:Paint mist Recycling