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Factori de poluare   Noi am ales această temă, deoarece este un proces in continuă desfăsurare   şi este un proces care ne afectează atât prezentul, cât şi viitorul.
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Temperaturile din cuptoare determinã mai întâi fãrâmi ţ area materialului, cu formare de clincher iar apoi, prin mãcinare, se ob ţ in particule foarte fine, care constituie cimentul propriu-zis. Procesele tehnologice descrise produc cantitã ţ i mari de praf, în toate verigile lan ţ ului tehnologic: uscãtoare, mori de materii prime, cuptoare, procese intermediare. Din uscãtoare se elimina în atmosferã aproximativ 10% din cantitatea introdusã, în mori, 1-3% din cantitatea prelucratã, în cuptoarele rotative, 10%, iar în procesele intermediare, intre 2  ş i 4%. În total se pierde intre 20  ş i 25% din materia primã prelucratã la procedeul uscat  ş i 1045% la procedeul umed. Praful rezultat din industria cimentului este împrã ş tiat pânã la distan ţ a de peste 3 km fa ţ ã de sursã, concentra ţ ia acestuia în apropierea surselor, variind intre 500  ş i 2 000 t/km2/an.
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Mugu Si Dani

  • 1. Factori de poluare Noi am ales această temă, deoarece este un proces in continuă desfăsurare şi este un proces care ne afectează atât prezentul, cât şi viitorul.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6. Temperaturile din cuptoare determinã mai întâi fãrâmi ţ area materialului, cu formare de clincher iar apoi, prin mãcinare, se ob ţ in particule foarte fine, care constituie cimentul propriu-zis. Procesele tehnologice descrise produc cantitã ţ i mari de praf, în toate verigile lan ţ ului tehnologic: uscãtoare, mori de materii prime, cuptoare, procese intermediare. Din uscãtoare se elimina în atmosferã aproximativ 10% din cantitatea introdusã, în mori, 1-3% din cantitatea prelucratã, în cuptoarele rotative, 10%, iar în procesele intermediare, intre 2 ş i 4%. În total se pierde intre 20 ş i 25% din materia primã prelucratã la procedeul uscat ş i 1045% la procedeul umed. Praful rezultat din industria cimentului este împrã ş tiat pânã la distan ţ a de peste 3 km fa ţ ã de sursã, concentra ţ ia acestuia în apropierea surselor, variind intre 500 ş i 2 000 t/km2/an.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.