Kushandiswa kwesimbi chubhuhaina kuchengetedzeka chete kuvanhu, asiwo yakachengeteka kune zvakatipoteredza.Asi nei tichidaro?
Simbi Yakanyanya Kudzokororwa
Ichokwadi chinozivikanwa zvishoma kuti simbi ndiyo inonyanya kushandiswa zvakare pasi pano. Muna 2014,86%yesimbi yakashandiswazve, iyo yakapfuura huwandu hwepepa, aluminium, plastiki uye girazi. Izvi zvingaite sezvisingadaviriki, asi kana iwe ukafunga zvimwe zvinhu nezvesimbi munguva chaiyo, zvine musoro:
Zvinoenderana nehuwandu hweEllen MacArthur Foundation, 14% chete yepurasitiki pasi rose inodzokororwa. Kusiyana neizvi, chiyero chepasi rose chekudzoreredza mapepa i58%, uye simbi yekudzoreredza chiyero i70% kusvika 90%. Zviripachena, chiyero chekudzoreredza chesimbi ndicho chepamusoro.
Sei simbi ichiva zvinhu zvine mwero wepamusoro wekupora? Pane zvikonzero zvikuru zvakawanda:
1. Magnetism yesimbi
Simbi ndiyo inonyanya kushandiswa zvakare pasirese zvinhu, kunyanya nekuda kwemagnetism. Magnetism inoita kuti zvive nyore kuti crusher iparadzanise simbi yakaraswa, kuitira kuti mabhizinesi emotokari disassembly awane purofiti, nekuti musika wekutenderera simbi wakakura kwazvo.
2. Simbi ine zvinoshamisa metallurgical properties
Imwe yezvakanakira simbi sechinhu ndechekuti haizodzikisire kana ikashandiswa zvakare. Izvi zvinoreva kuti simbi inoshandiswa chero ipi zvayo inogona kunyungudutswa uye kushandiswa kubva kune chimwe chigadzirwa kuenda kune imwe pasina kurasikirwa kwekuita.
3. Zviwanikwa zvakawanda
Kune akawanda masosi ezvimedu zvesimbi, izvo zvakakamurwa muzvikamu zvitatu neindasitiri:
Marara emumba - Iri ndiro simbi inotorwa kubva muchiitiko chaiitika mufekitori. Iyi ndiyo nzira inotorwa nezvirimwa zvese zvesimbi, nekuti zvese zvinoraswa zvinoshandiswa zvakare neimwe nzira.
Factory scrap - zvinhu zvakawandisa zvakaburitswa kubva kune akawanda masimbi maodha uye zvakadzoserwa kufekitori kuti idzokororwe. Tsvina isingashandiswe pakarepo inonyungudutswa nekukasika uye yoitwa zvigadzirwa zvitsva.
Kuraswa kwechinyakare - izvi zvinogona kubva muzvigadzirwa zvekare, marasirwo emarara, kana kushandiswazve kwemidziyo yehondo isingachashandi. Matanda mana esimbi anogona kugadzirwa kubva mumidziyo yemotokari yakaraswa.
4. Simbi yakadzokororwa ine zvakatipoteredza zvinobatsira
Simbi yakadzokororwa ine zvakatipoteredza zvinobatsira. Imwe neimwe tani yezvimedu zvesimbi inoshandiswa kugadzira simbi inogona kuderedza 1.5 matani ecarbon dioxide, 14 matani esimbi uye 740 kg yemarasha. Parizvino, tinowana matani anosvika 630 miriyoni ezvimedu zvesimbi gore rega rega, uye tinogona kuderedza angangoita 945 miriyoni matani ecarbon dioxide pagore, anopfuura 85%. Kuenzaniswa nemaitiro echinyakare uchishandisa iron ore uye marasha seyakagadzirwa, kugadzirwa kwezvigadzirwa zvesimbi kubva kune zvimedu zvinongopedza chikamu chimwe muzvitatu chesimba. Zvimedu zvakare chinhu chakakosha mbishi mune yechinyakare blast furnace converter process. Kuwedzera zvimedu zvinogona kutora simba rakawandisa mushanduko yekugadzira simbi uye kudzora tembiricha yekuita muchoto.
Simbi ndechimwe chezvinhu zvekutanga zvakadzokororwa zvemaindasitiri
Maitiro akajairika echero chirimwa chesimbi ndechekudzosa zvimedu kubva mukugadzirwa kwezvikamu zvesimbi. Vagadziri vakadzidza kwenguva refu kuti simbi haizorasikirwe chero simba kana ichinge yanyungudutswa uye inoshandiswa kune zvimwe zvinangwa. Kunyangwe zvinosvibisa zvakaita sependi uye ngura hazvizokanganisa kusimba kwesimbi. Muna 2020, indasitiri yesimbi ichadzora simbi yakakwana kubva kumotokari dzakamboshandiswa chete kugadzira mamirioni gumi nematanhatu emotokari nyowani. Kunyangwe maviri kubva pamatani matatu ega ega esimbi itsva achigadzirwa kubva kune zvakadzokororwa, zvichiri kukosha kuwedzera simbi dzekutanga mukuita. Chikonzero ndechekuti mota zhinji dzesimbi uye zvimiro zvinowanzogara zvakanyanya uye zvine hupenyu hurefu hwebasa, nepo kudiwa kwepasirese kwesimbi kuri kuramba kuchikura.
Mune ramangwana, isu tinofanirwa kuvandudza mashandisiro ekushandisa kwezvinhu nekuvandudza dhizaini yechigadzirwa, maitiro ekugadzira, kuvandudza kushandiswa kwakasimba uye kushandiswazve kwezvigadzirwa nevatengi, nekuwedzera hupenyu hwebasa rezvinhu. Nekutora matanho aya, tinokwanisa kusimudzira budiriro yenharaunda.
Yuantai Derun Simbi PipeChikwata chinodada kuti tiri kuita chikamu chedu kuita kuti nyika yedu ive yakachena. Isu tinopa pekutanga kune zvinhu zviri nyore kudzokorora. Kana tichinge tashandirwa mupurojekiti, tinopa pekutanga kune zvinodzokororwa uye zvinogona kushandiswa zvakare.
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Nguva yekutumira: Feb-07-2023
