文章(zhang)來源：山東國(guo)資委 發布時(shi)間：2014-10-08
山(shan)東重(zhong)工濰柴集團(tuan)鑄鍛公(gong)司(si)博采眾長，以循環再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)利(li)(li)用(yong)資(zi)源(yuan)(yuan)、減少環境污染為出發點(dian)，選擇國內先進的(de)(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)工藝，結(jie)合合理高(gao)(gao)效的(de)(de)(de)結(jie)構設計，利(li)(li)用(yong)鑄造(zao)工業園(yuan)區672平方(fang)米的(de)(de)(de)空(kong)間(jian)，設計建設了(le)3噸(dun)/小(xiao)(xiao)時的(de)(de)(de)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)冷法(fa)(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)線和(he)5噸(dun)/小(xiao)(xiao)時的(de)(de)(de)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)熱法(fa)(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)線。在熱法(fa)(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)線中(zhong)，廢(fei)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)通過(guo)破碎、篩分、磁選后(hou)，均勻加(jia)入焙(bei)(bei)燒爐，燃(ran)燒器對廢(fei)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)進行加(jia)熱焙(bei)(bei)燒，使(shi)其脫(tuo)膜，再(zai)經過(guo)冷卻處理后(hou)，舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)得以再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)。而3噸(dun)/小(xiao)(xiao)時舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)冷法(fa)(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)(tong)，是利(li)(li)用(yong)公(gong)司(si)時效爐收集的(de)(de)(de)散(san)落砂(sha)(sha)(sha)而專門設計的(de)(de)(de)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)(tong)，該系(xi)統(tong)(tong)對散(san)落砂(sha)(sha)(sha)過(guo)濾后(hou)直接進行研磨、分選，不經焙(bei)(bei)燒爐焙(bei)(bei)燒，相比熱法(fa)(fa)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)系(xi)統(tong)(tong)，更節能環保(bao)。據統(tong)(tong)計，截止8月末(mo)，冷熱法(fa)(fa)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)共計達1500余噸(dun)，生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)高(gao)(gao)速機(ji)氣缸體(ti)10007臺，利(li)(li)用(yong)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)砂(sha)(sha)(sha)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)的(de)(de)(de)鑄件合格率與(yu)新砂(sha)(sha)(sha)制芯(xin)并無差異，而砂(sha)(sha)(sha)芯(xin)表面(mian)質量大(da)大(da)優于新砂(sha)(sha)(sha)制芯(xin)。鑄造(zao)廢(fei)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)循環再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)，既解決了(le)廢(fei)舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)中(zhong)有機(ji)樹脂類廢(fei)物對土地、水(shui)資(zi)源(yuan)(yuan)的(de)(de)(de)污染，又可使(shi)硅(gui)砂(sha)(sha)(sha)得到循環利(li)(li)用(yong)，減少資(zi)源(yuan)(yuan)開(kai)采。濰柴舊(jiu)(jiu)(jiu)(jiu)砂(sha)(sha)(sha)再(zai)生(sheng)(sheng)(sheng)(sheng)(sheng)項目(mu)，將推(tui)動公(gong)司(si)走向綠(lv)色環保(bao)的(de)(de)(de)最(zui)前沿。