Kev loj hlob ntawm kev lag luam siv tooj liab
Nrog rau kev txhim kho txuas ntxiv ntawm kev lag luam thoob ntiaj teb tooj liab, qhov kev thov rau cov khoom siv raw tau maj mam nce, qhov tsis sib xws ntawm cov khoom siv thiab kev thov tau dhau los ua qhov tseem ceeb, cov khoom siv ntawm cov khoom siv raw khoom tau nruj zuj zus, thiab ntau thiab ntau lub tuam txhab tau tig. lawv cov xim rau siv tooj liab. Cov khoom siv tooj liab uas tau txais los ntawm kev siv tooj liab los ntawm cov khoom siv tooj liab uas muaj cov khoom pov tseg yog hu ua recycled tooj liab. Cov khib nyiab, khib nyiab, cov cuab yeej pov tseg thiab cov khoom siv thiab cov khoom siv niaj hnub tsim hauv kev tsim, ua thiab siv tooj liab thiab nws cov alloys yog tag nrho cov khoom siv raw rau kev tsim cov tooj liab. Nyob rau hauv Western lub teb chaws, recycled tooj liab (suav nrog ncaj qha siv lwm yam tooj liab) tso nyiaj rau ib tug loj feem ntawm tag nrho cov zis ntawm refined tooj liab, cov uas Fabkis, lub tebchaws United Kingdom, lub Federal Republic ntawm lub teb chaws Yelemees, thiab lwm yam yog tag nrho cov saum toj no 40%, thiab yuav luag. 100% ntawm Italian lub refined tooj liab yog recycled tooj liab.
Recycled tooj liab smelting txheej txheem
Recycled tooj liab smelting txheej txheem
kuv lub teb chaws yog cov neeg siv khoom loj ntawm tooj liab, tab sis nws cov khoom muaj tsawg. Txhawm rau daws qhov teeb meem ntawm cov khoom siv tooj liab hauv tsev tsis txaus, kev rov ua dua ntawm cov khoom siv tooj liab tau ua ib qho tseem ceeb los ua kom tau raws li kuv lub teb chaws cov kev siv tooj liab. Tom qab ntau xyoo ntawm txoj kev loj hlob, kuv lub teb chaws txoj kev lag luam siv tooj liab tau tsim ib qho kev lag luam ua tiav ntawm "recycling-disassembly-processing thiab siv", thiab tau tsim peb cov kev lag luam tooj liab rov ua dua tshiab hauv Pearl River Delta, Yangtze River Delta thiab Bohai Rim sawv cev los ntawm Hainan. , Qingyuan, Taizhou, Ningbo, Yongkang thiab Jinghai, Tianjin. Qib ntawm kev lag luam technology thiab cov khoom siv thiab cov khoom huv si tseem txhim kho, thiab cov hlau smelting rov qab tau nce ntxiv. Los ntawm 2001 txog 2010, qhov kev faib ua feem ntawm recycled tooj liab nyob rau hauv tag nrho cov zis ntawm refined tooj liab nyob rau hauv kuv lub teb chaws pom ib tug tsis tu ncua kev loj hlob. Hauv xyoo 2010, qhov kev faib ua feem no yog 38.5%, thiab nws tsis kam mus rau qhov sib txawv hauv xyoo 2012 thiab 2013. Cov yam ntxwv tseem ceeb ntawm kuv lub teb chaws kev lag luam siv tooj liab hauv xyoo 2014 yog qhov kev loj hlob qeeb hauv cov khoom tsim tawm thiab qis qis qis qis dua li xyoo dhau los. Muaj qhov sib txawv loj ntawm qib ntawm cov khoom siv tooj liab rov ua dua tshiab hauv kuv lub teb chaws thiab hauv cov teb chaws txawv teb chaws, yog li tseem muaj ntau chav rau kev loj hlob hauv kuv lub teb chaws kev lag luam tooj liab rov qab.
