文章來源：山東國資委 發布(bu)時間：2014-10-08
山東重(zhong)工(gong)濰柴集團鑄(zhu)鍛(duan)公(gong)司博采眾長(chang)，以(yi)循環(huan)(huan)再(zai)生(sheng)(sheng)(sheng)(sheng)利用(yong)(yong)(yong)資源、減少(shao)環(huan)(huan)境污染為(wei)出發點，選擇國內(nei)先(xian)進的(de)生(sheng)(sheng)(sheng)(sheng)產工(gong)藝，結(jie)合(he)合(he)理(li)高效(xiao)(xiao)的(de)結(jie)構設計，利用(yong)(yong)(yong)鑄(zhu)造(zao)工(gong)業(ye)園區672平方米(mi)的(de)空(kong)間，設計建設了(le)(le)3噸(dun)(dun)/小時(shi)(shi)(shi)的(de)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)冷(leng)(leng)法(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)線和5噸(dun)(dun)/小時(shi)(shi)(shi)的(de)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)熱(re)法(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)線。在熱(re)法(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)線中(zhong)，廢(fei)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)通過(guo)破碎、篩分、磁(ci)選后(hou)(hou)，均(jun)勻加入焙燒(shao)(shao)爐，燃燒(shao)(shao)器對廢(fei)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)進行加熱(re)焙燒(shao)(shao)，使其(qi)脫膜，再(zai)經(jing)過(guo)冷(leng)(leng)卻處理(li)后(hou)(hou)，舊(jiu)砂(sha)(sha)(sha)(sha)(sha)得以(yi)再(zai)生(sheng)(sheng)(sheng)(sheng)。而3噸(dun)(dun)/小時(shi)(shi)(shi)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)冷(leng)(leng)法(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)，是利用(yong)(yong)(yong)公(gong)司時(shi)(shi)(shi)效(xiao)(xiao)爐收集的(de)散落砂(sha)(sha)(sha)(sha)(sha)而專(zhuan)門設計的(de)再(zai)生(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)，該系(xi)統(tong)對散落砂(sha)(sha)(sha)(sha)(sha)過(guo)濾后(hou)(hou)直接進行研磨、分選，不經(jing)焙燒(shao)(shao)爐焙燒(shao)(shao)，相比熱(re)法(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)，更節能環(huan)(huan)保(bao)。據統(tong)計，截止8月末，冷(leng)(leng)熱(re)法(fa)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)再(zai)生(sheng)(sheng)(sheng)(sheng)共計達1500余噸(dun)(dun)，生(sheng)(sheng)(sheng)(sheng)產高速機(ji)氣缸體(ti)10007臺，利用(yong)(yong)(yong)再(zai)生(sheng)(sheng)(sheng)(sheng)砂(sha)(sha)(sha)(sha)(sha)生(sheng)(sheng)(sheng)(sheng)產的(de)鑄(zhu)件(jian)合(he)格率與新砂(sha)(sha)(sha)(sha)(sha)制芯(xin)(xin)并無(wu)差異，而砂(sha)(sha)(sha)(sha)(sha)芯(xin)(xin)表面質量大大優(you)于新砂(sha)(sha)(sha)(sha)(sha)制芯(xin)(xin)。鑄(zhu)造(zao)廢(fei)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)循環(huan)(huan)再(zai)生(sheng)(sheng)(sheng)(sheng)，既解決了(le)(le)廢(fei)舊(jiu)砂(sha)(sha)(sha)(sha)(sha)中(zhong)有機(ji)樹脂類廢(fei)物對土地(di)、水資源的(de)污染，又可使硅砂(sha)(sha)(sha)(sha)(sha)得到循環(huan)(huan)利用(yong)(yong)(yong)，減少(shao)資源開采。濰柴舊(jiu)砂(sha)(sha)(sha)(sha)(sha)再(zai)生(sheng)(sheng)(sheng)(sheng)項(xiang)目，將推動公(gong)司走(zou)向綠色環(huan)(huan)保(bao)的(de)最前(qian)沿。