本項目的主要(yao)設計工段包(bao)括：原(yuan)料堆(dui)存及(ji)分(fen)(fen)揀處置區域;原(yuan)料喂料及(ji)分(fen)(fen)級篩(shai)分(fen)(fen)系統(tong)、除土(tu)系統(tong)、人工分(fen)(fen)揀系統(tong)、磁選系統(tong)及(ji)輕(qing)物質分(fen)(fen)離系統(tong);成(cheng)品儲(chu)存系統(tong)。各系統(tong)詳細(xi)描述如下：

　　(1)原料堆存區

　　裝(zhuang)(zhuang)修(xiu)裝(zhuang)(zhuang)潢垃圾(ji)主要(yao)包括混凝土、砂漿、磚瓦、陶瓷等無機(ji)材(cai)(cai)料(liao)(liao)(liao)(liao)，還有木(mu)材(cai)(cai)、廢紙、塑料(liao)(liao)(liao)(liao)、金屬等有機(ji)材(cai)(cai)料(liao)(liao)(liao)(liao);運(yun)抵(di)處(chu)理(li)廠(chang)的裝(zhuang)(zhuang)修(xiu)垃圾(ji)首先于處(chu)理(li)車間(jian)的原料(liao)(liao)(liao)(liao)存(cun)儲間(jian)卸料(liao)(liao)(liao)(liao)，車間(jian)采用封閉式設計(ji)，暫存(cun)區(qu)域面積建議不小于3000㎡，滿足(zu)7~10d連(lian)續生產(chan)儲存(cun)量(liang)，高峰(feng)期運(yun)輸(shu)到廠(chang)的裝(zhuang)(zhuang)修(xiu)垃圾(ji)可(ke)于室(shi)外應(ying)急(ji)堆場暫存(cun)。 預(yu)先在(zai)原料(liao)(liao)(liao)(liao)儲存(cun)間(jian)處(chu)理(li)大件干(gan)擾垃圾(ji)后(hou)，經裝(zhuang)(zhuang)載機(ji)上料(liao)(liao)(liao)(liao)至(zhi)中(zhong)型板式喂(wei)料(liao)(liao)(liao)(liao)機(ji)，由中(zhong)型板式喂(wei)料(liao)(liao)(liao)(liao)機(ji)向裝(zhuang)(zhuang)修(xiu)裝(zhuang)(zhuang)潢垃圾(ji)生產(chan)線均勻喂(wei)料(liao)(liao)(liao)(liao)。

　　(2)篩分處置

　　經過(guo)中(zhong)(zhong)(zhong)(zhong)型板式喂(wei)料機上料后，由帶(dai)式輸(shu)(shu)送(song)(song)機輸(shu)(shu)送(song)(song)至階梯(ti)(ti)篩模(mo)(mo)塊(kuai)進(jin)(jin)行一級篩分(fen)(fen)(fen)處理。經過(guo)一級階梯(ti)(ti)篩模(mo)(mo)塊(kuai)篩分(fen)(fen)(fen)出>150mm和(he)0-150mm兩(liang)種規格(ge)混(hun)合(he)(he)(he)料，其中(zhong)(zhong)(zhong)(zhong)>150mm混(hun)合(he)(he)(he)料經過(guo)帶(dai)式輸(shu)(shu)送(song)(song)機輸(shu)(shu)送(song)(song)至全密封人(ren)(ren)工(gong)分(fen)(fen)(fen)揀房(fang)中(zhong)(zhong)(zhong)(zhong)進(jin)(jin)行分(fen)(fen)(fen)類(lei)分(fen)(fen)(fen)選(xuan);而0-150mm混(hun)合(he)(he)(he)料經過(guo)帶(dai)式輸(shu)(shu)送(song)(song)機輸(shu)(shu)送(song)(song)至二(er)級滾筒篩模(mo)(mo)塊(kuai)中(zhong)(zhong)(zhong)(zhong)進(jin)(jin)行二(er)次分(fen)(fen)(fen)級，分(fen)(fen)(fen)選(xuan)0-15mm渣土混(hun)合(he)(he)(he)物和(he)15-150mm混(hun)合(he)(he)(he)料兩(liang)種規格(ge)。其中(zhong)(zhong)(zhong)(zhong)0-15mm直接落至滾筒篩模(mo)(mo)塊(kuai)下方(fang)的渣土儲(chu)存庫，而15-150mm混(hun)合(he)(he)(he)料經過(guo)帶(dai)式輸(shu)(shu)送(song)(song)機輸(shu)(shu)送(song)(song)至全密封人(ren)(ren)工(gong)分(fen)(fen)(fen)揀房(fang)中(zhong)(zhong)(zhong)(zhong)同樣進(jin)(jin)行分(fen)(fen)(fen)類(lei)分(fen)(fen)(fen)選(xuan)。

　　(3)人工分類分選處置

　　經(jing)過(guo)兩級(ji)篩分(fen)(fen)(fen)(fen)分(fen)(fen)(fen)(fen)級(ji)后的15-150mm混(hun)合料(liao)(liao)和>150mm混(hun)合料(liao)(liao)篩上物(wu)分(fen)(fen)(fen)(fen)別(bie)(bie)進(jin)入全密封(feng)人(ren)工分(fen)(fen)(fen)(fen)揀(jian)平(ping)(ping)臺，分(fen)(fen)(fen)(fen)選平(ping)(ping)臺位于人(ren)工分(fen)(fen)(fen)(fen)揀(jian)用(yong)帶(dai)式(shi)輸(shu)送(song)機(ji)(ji)(ji)兩側(ce)，人(ren)工分(fen)(fen)(fen)(fen)揀(jian)平(ping)(ping)臺為(wei)4工位，每側(ce)平(ping)(ping)臺設置操作工位和垃圾接料(liao)(liao)斗，用(yong)于操作工人(ren)站立從事分(fen)(fen)(fen)(fen)揀(jian)垃圾工作。分(fen)(fen)(fen)(fen)揀(jian)去除混(hun)合料(liao)(liao)中的木材、塑料(liao)(liao)、紡織品(pin)、石膏等(deng)，精細分(fen)(fen)(fen)(fen)離(li)操作，獲取潔(jie)凈(jing)大(da)粒徑3D骨料(liao)(liao)，兩種規(gui)格(ge)的混(hun)合物(wu)分(fen)(fen)(fen)(fen)別(bie)(bie)由帶(dai)式(shi)輸(shu)送(song)機(ji)(ji)(ji)輸(shu)送(song)至空(kong)鼓風選機(ji)(ji)(ji)模塊，進(jin)行最后的除雜(za)。同(tong)時通過(guo)帶(dai)式(shi)輸(shu)送(song)機(ji)(ji)(ji)上懸掛的自卸式(shi)除鐵器(qi)除去物(wu)料(liao)(liao)中的黑色金(jin)屬，經(jing)過(guo)磁選的黑色金(jin)屬下(xia)(xia)落至下(xia)(xia)端(duan)的存儲倉(cang)。

　　(4)輕雜質處置

　　磁選(xuan)(xuan)后(hou)剩余(yu)篩上物(wu)繼續(xu)分別由輸送機(ji)輸送至空鼓風(feng)選(xuan)(xuan)機(ji)模(mo)(mo)塊，經(jing)比重(zhong)(zhong)風(feng)選(xuan)(xuan)模(mo)(mo)塊可將物(wu)料(liao)(liao)(liao)分為(wei)(wei)(wei)重(zhong)(zhong)物(wu)質(zhi)(zhi)和輕物(wu)質(zhi)(zhi)，輕物(wu)質(zhi)(zhi)以可燃物(wu)(紙、木板(ban)、塑料(liao)(liao)(liao)等)為(wei)(wei)(wei)主，輕物(wu)質(zhi)(zhi)匯(hui)總后(hou)出料(liao)(liao)(liao);重(zhong)(zhong)物(wu)質(zhi)(zhi)主要包括(kuo)混凝土、紅磚、輕質(zhi)(zhi)砌塊等物(wu)料(liao)(liao)(liao)。風(feng)選(xuan)(xuan)出的(de)塑料(liao)(liao)(liao)等輕質(zhi)(zhi)物(wu)可進(jin)(jin)行打包處理，定期外賣。經(jing)比重(zhong)(zhong)風(feng)選(xuan)(xuan)模(mo)(mo)塊進(jin)(jin)一步去除輕質(zhi)(zhi)雜物(wu)后(hou)，進(jin)(jin)入成品料(liao)(liao)(liao)倉的(de)物(wu)料(liao)(liao)(liao)為(wei)(wei)(wei)高品質(zhi)(zhi)骨料(liao)(liao)(liao)，可作為(wei)(wei)(wei)再生建材(cai)制備(bei)生產(chan)原(yuan)料(liao)(liao)(liao)。