固(gu)定床反應(ying)器底部(bu)通常要設(she)置催(cui)化(hua)(hua)劑(ji)卸(xie)料(liao)(liao)口,在催(cui)化(hua)(hua)劑(ji)老化(hua)(hua)失活時(shi)將其卸(xie)出(chu)(chu)。反應(ying)器支撐形(xing)式不同(tong),催(cui)化(hua)(hua)劑(ji)卸(xie)料(liao)(liao)口設(she)計形(xing)式也不同(tong)。常見的(de)設(she)計形(xing)式主要有三種(zhong),見圖(tu)(tu)6.9。對于(yu)(yu)圖(tu)(tu)6.9(a)所示形(xing)式卸(xie)料(liao)(liao)口,卸(xie)料(liao)(liao)過程中,只需(xu)要將法蘭(lan)蓋打開,將塞(sai)子拔出(chu)(chu),催(cui)化(hua)(hua)劑(ji)依靠(kao)重力從反應(ying)器中自(zi)流出(chu)(chu)來,操(cao)作簡(jian)單方便。對于(yu)(yu)圖(tu)(tu)6.9(b)所示形(xing)式卸(xie)料(liao)(liao)口,卸(xie)料(liao)(liao)過程需(xu)要人工(gong)輔助卸(xie)料(liao)(liao)。這(zhe)兩種(zhong)形(xing)式主要用(yong)(yong)于(yu)(yu)反應(ying)器采用(yong)(yong)裙座作為支撐結構。當反應(ying)器采用(yong)(yong)支耳支撐時(shi),多采用(yong)(yong)圖(tu)(tu)6.9(c)所示形(xing)式設(she)計催(cui)化(hua)(hua)劑(ji)卸(xie)料(liao)(liao)口。


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  無(wu)論反應(ying)器催化(hua)劑(ji)卸(xie)料口采用何種(zhong)形式,均需要將卸(xie)料口布置在靠近催化(hua)劑(ji)裝卸(xie)區一側,卸(xie)料口高度(du)應(ying)滿足規(gui)范要求。




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