特種(zhong)紫雜銅(tong)(tong)：各種(zhong)純(chun)銅(tong)(tong)廢料(liao)，主要(yao)包括(kuo)銅(tong)(tong)材(cai)加(jia)工廠(chang)和(he)(he)(he)銅(tong)(tong)加(jia)工制(zhi)造(zao)(zao)廠(chang)產生的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)純(chun)銅(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)邊(bian)角料(liao)、切頭、廢次材(cai)、半成(cheng)(cheng)(cheng)品、線(xian)(xian)材(cai)、廢品等；允(yun)許(xu)有報廢的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)純(chun)銅(tong)(tong)裸線(xian)(xian)和(he)(he)(he)銅(tong)(tong)管等其(qi)它純(chun)銅(tong)(tong)制(zhi)品，但不許(xu)有水(shui)垢、油污(wu)(wu)、涂(tu)層等；廢銅(tong)(tong)料(liao)中不允(yun)許(xu)含有任何雜質和(he)(he)(he)銅(tong)(tong)合(he)(he)(he)金，也不許(xu)含有毛絲(si)、車屑(xie)、磨屑(xie)和(he)(he)(he)厚度(du)小于(yu)1 mm的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)銅(tong)(tong)板。所(suo)有的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廢銅(tong)(tong)都可以再(zai)生。再(zai)生工藝(yi)很簡(jian)單(dan)。首先(xian)把收集(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廢銅(tong)(tong)進(jin)(jin)行(xing)分(fen)(fen)揀，沒有受污(wu)(wu)染(ran)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廢銅(tong)(tong)或(huo)成(cheng)(cheng)(cheng)分(fen)(fen)相(xiang)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)銅(tong)(tong)合(he)(he)(he)金可以回爐熔(rong)化后直(zhi)接(jie)利用，被嚴重(zhong)污(wu)(wu)染(ran)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廢銅(tong)(tong)要(yao)進(jin)(jin)一步(bu)精煉處(chu)理(li)(li)(li)去(qu)除雜質；對于(yu)相(xiang)互混雜的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)銅(tong)(tong)合(he)(he)(he)金廢料(liao)，則需熔(rong)化后進(jin)(jin)行(xing)成(cheng)(cheng)(cheng)分(fen)(fen)調整。通過(guo)這樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)再(zai)生處(chu)理(li)(li)(li)，銅(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物理(li)(li)(li)、化學性質不受損害，使(shi)它得到完(wan)全(quan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)更新。銅(tong)(tong)粉重(zhong)要(yao)和(he)(he)(he)特色的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應用是(shi)粉末冶金領(ling)(ling)域(yu)。在此(ci)領(ling)(ling)域(yu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)材(cai)料(liao)不是(shi)通過(guo)熔(rong)煉和(he)(he)(he)鑄造(zao)(zao)得到的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，例(li)如：彌散強(qiang)化Cu-Al2O3用來強(qiang)化和(he)(he)(he)制(zhi)造(zao)(zao)焊接(jie)電(dian)較(用于(yu)汽車和(he)(he)(he)其(qi)它工業領(ling)(ling)域(yu))，用于(yu)電(dian)子部(bu)件的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)熱管理(li)(li)(li)領(ling)(ling)域(yu)W-Cu和(he)(he)(he)Mo-Cu，此(ci)類材(cai)料(liao)需要(yao)控制(zhi)其(qi)孔(kong)隙率(lv)。自潤滑(hua)軸承和(he)(he)(he)過(guo)濾器是(shi)粉末冶金領(ling)(ling)域(yu)典型的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應用。這些材(cai)料(liao)要(yao)求控制(zhi)適當的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔(kong)隙率(lv)，以此(ci)含油量達到優良的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)潤滑(hua)效果。

為應對天然(ran)資(zi)源(yuan)的(de)(de)日(ri)益枯竭、生態環(huan)境的(de)(de)不斷惡化(hua)，大力發(fa)展循環(huan)經(jing)濟已(yi)上升到我國國家戰略層面。提出：“發(fa)展循環(huan)經(jing)濟是(shi)走新型工(gong)業化(hua)道路的(de)(de)重要載體(ti)，也是(shi)從根本上轉變(bian)經(jing)濟增長方式的(de)(de)要求”。作為循環(huan)經(jing)濟的(de)(de)重要組成部分(fen)，大力發(fa)展再生資(zi)源(yuan)產業、提高再生資(zi)源(yuan)回(hui)收(shou)利用率具有現實的(de)(de)必要性(xing)和緊迫(po)性(xing)。廢銅回(hui)收(shou)后(hou)是(shi)怎么進行分(fen)類的(de)(de)？

一(yi)、包(bao)含(han)無(wu)(wu)涂層(ceng)、無(wu)(wu)合(he)金的純銅線。表面(mian)無(wu)(wu)氧(yang)化，不(bu)含(han)毛絲，銅線直徑不(bu)小于(yu)1.6mm；

二、包含潔凈、無(wu)色澤、無(wu)涂層、無(wu)錫、無(wu)合金(jin)的(de)(de)純銅(tong)(tong)線(xian)和銅(tong)(tong)電纜線(xian)，不含毛絲(si)和燒過的(de)(de)碎的(de)(de)銅(tong)(tong)線(xian)；

三、包含(han)無(wu)合金(jin)(jin)的(de)廢(fei)銅(tong)(tong)線(xian)、含(han)有雜料，含(han)銅(tong)(tong)量(liang)為(wei)96％（含(han)量(liang)不低于94％），不得含(han)有過份鉛化和錫化的(de)銅(tong)(tong)線(xian)、焊(han)接(jie)過的(de)銅(tong)(tong)線(xian)、黃銅(tong)(tong)和青銅(tong)(tong)線(xian)、過多(duo)的(de)油(you)、廢(fei)鋼鐵和非(fei)金(jin)(jin)屬、脆的(de)過燒線(xian)、絕(jue)緣性銅(tong)(tong)線(xian)和過多(duo)的(de)細(xi)絲(si)線(xian)，如果有需用(yong)恰當方(fang)法清除掉(diao)；

四、包括各(ge)種(zhong)純銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)廢(fei)(fei)料(liao)，首先是包含銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)材(cai)加工廠(chang)(chang)和銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)加工制造廠(chang)(chang)產(chan)生的(de)(de)純銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)邊(bian)角料(liao)、切(qie)頭、廢(fei)(fei)次(ci)(ci)材(cai)、半成品(pin)(pin)(pin)、線材(cai)、廢(fei)(fei)品(pin)(pin)(pin)等；其次(ci)(ci)還(huan)有(you)(you)報廢(fei)(fei)的(de)(de)純銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)裸線和銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)管等其它純銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)制品(pin)(pin)(pin)，但不(bu)允許有(you)(you)水垢、油污、涂層等；再(zai)次(ci)(ci)廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)材(cai)中不(bu)應(ying)含有(you)(you)任何(he)雜質和銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)合金，也不(bu)許含有(you)(you)毛絲、車屑、磨屑和厚(hou)度(du)小于(yu)1mm的(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)板。外(wai)觀顏(yan)色(se)(se)呈(cheng)黃(huang)色(se)(se)，通常(chang)廢(fei)(fei)舊(jiu)(jiu)的(de)(de)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)，由于(yu)使(shi)用(yong)(yong)年限較長，或長期暴露在戶外(wai)，外(wai)觀表面(mian)會呈(cheng)烏黃(huang)色(se)(se)，這是由于(yu)表面(mian)氧化導致，鑒別真假廢(fei)(fei)舊(jiu)(jiu)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)大家不(bu)妨拿一(yi)個黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)產(chan)品(pin)(pin)(pin)在地上用(yong)(yong)力磨幾下(xia)，會發現內部還(huan)會呈(cheng)現出原有(you)(you)的(de)(de)光亮黃(huang)色(se)(se)，在磁鐵的(de)(de)作用(yong)(yong)下(xia)，哪里(li)有(you)(you)廢(fei)(fei)鋁回收廠(chang)(chang)家，不(bu)會產(chan)生吸力。通常(chang)廢(fei)(fei)舊(jiu)(jiu)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)價格(ge)根據市場行情及廢(fei)(fei)舊(jiu)(jiu)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)產(chan)品(pin)(pin)(pin)的(de)(de)摻(chan)雜率(lv)價格(ge)會在幾塊到十幾塊一(yi)斤不(bu)等，價格(ge)會低于(yu)廢(fei)(fei)紫(zi)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)。

特(te)種紫雜銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)：各種純(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)廢(fei)(fei)料(liao)(liao)，主要(yao)(yao)(yao)包(bao)括(kuo)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)材加(jia)工廠和(he)(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)加(jia)工制造廠產生(sheng)的(de)(de)純(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)邊角料(liao)(liao)、切頭、廢(fei)(fei)次(ci)材、半(ban)成(cheng)(cheng)品、線材、廢(fei)(fei)品等；允許有報廢(fei)(fei)的(de)(de)純(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)裸線和(he)(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)管等其它純(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)制品，但不許有水垢、油污(wu)、涂層等；廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)料(liao)(liao)中(zhong)不允許含有任何雜質和(he)(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)合金，也不許含有毛(mao)絲、車屑、磨(mo)屑和(he)(he)厚度小于1 mm的(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)板(ban)。　廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)供應主要(yao)(yao)(yao)有兩種類(lei)型，一種是新廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)，主要(yao)(yao)(yao)是銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)生(sheng)產過(guo)程中(zhong)產生(sheng)的(de)(de)廢(fei)(fei)料(liao)(liao)和(he)(he)廢(fei)(fei)料(liao)(liao)。通常冶金廠自己處理，產銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)企業直接回收生(sheng)產銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)。廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)回收原(yuan)本的(de)(de)廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)要(yao)(yao)(yao)經過(guo)融化、氧化、除渣和(he)(he)還原(yuan)，才能夠生(sheng)成(cheng)(cheng)具(ju)有一定純(chun)(chun)(chun)度的(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)水，進(jin)而成(cheng)(cheng)為有利用價值的(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)桿。廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)雜質較(jiao)多(duo)，要(yao)(yao)(yao)達到一定純(chun)(chun)(chun)度必須反復氧化，每天一千噸的(de)(de)廢(fei)(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)一個工序就至(zhi)少需要(yao)(yao)(yao)6到8小時(shi)，整個工序則需要(yao)(yao)(yao)20到22個小時(shi)，如(ru)果雜質過(guo)多(duo)還需要(yao)(yao)(yao)推遲時(shi)間。