{"id":8296,"date":"2019-10-08T13:49:45","date_gmt":"2019-10-08T05:49:45","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=8296"},"modified":"2019-10-08T13:49:45","modified_gmt":"2019-10-08T05:49:45","slug":"controlo-do-ruido-do-moinho-de-bolas","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/ball-mill-noise-control\/","title":{"rendered":"5 maneiras de controlar o ru\u00eddo do moinho de bolas"},"content":{"rendered":"

Introdu\u00e7\u00e3o<\/span><\/h2>\n

O moinho de bolas<\/strong> \u00e9 um equipamento de moagem indispens\u00e1vel no processo de beneficiamento de min\u00e9rios. Como controlar o ru\u00eddo do moinho de bolas<\/strong>?
\nO moinho de bolas \u00e9 utilizado principalmente para moer materiais no processo de produ\u00e7\u00e3o industrial. Devido ao grande volume e \u00e0 tonelagem pesada, o ru\u00eddo (forte vibra\u00e7\u00e3o e ru\u00eddo) gerado \u00e9 geralmente superior a 95dB(A), o que afecta gravemente a sa\u00fade f\u00edsica e mental dos trabalhadores.<\/p>\n

\"moinho<\/p>\n

comprar moinho de bolas<\/strong><\/a><\/p>\n

Causa do ru\u00eddo<\/span><\/h2>\n

O ru\u00eddo do moinho de bolas \u00e9 causado principalmente pelo ru\u00eddo mec\u00e2nico gerado pela colis\u00e3o entre a bola de moagem no tambor e o revestimento da parede e o material a ser processado.
\nO ru\u00eddo irradia para o exterior ao longo do revestimento, da parede do cilindro e dos orif\u00edcios de entrada e de sa\u00edda, incluindo a fonte de ru\u00eddo: o som de impacto entre a esfera de a\u00e7o e a esfera de a\u00e7o, o impacto da esfera de a\u00e7o e a placa de a\u00e7o do revestimento interior, o impacto do material e o som de fric\u00e7\u00e3o.
\nO ru\u00eddo do moinho de bolas est\u00e1 relacionado com o di\u00e2metro do moinho de bolas, a velocidade da bola e a natureza e bloqueio do material. O ru\u00eddo do moinho de bolas \u00e9 basicamente um ru\u00eddo em estado estacion\u00e1rio, uma ampla gama de frequ\u00eancias, quanto maior o di\u00e2metro, mais forte \u00e9 o ru\u00eddo de baixa frequ\u00eancia.<\/p>\n

M\u00e9todos de redu\u00e7\u00e3o do ru\u00eddo dos moinhos de bolas<\/span><\/h2>\n

Instalar corretamente a engrenagem<\/h3>\n

No processo de instala\u00e7\u00e3o do moinho de bolas, a coincid\u00eancia da engrenagem, a folga e o m\u00f3dulo devem ser controlados dentro de um intervalo de erro razo\u00e1vel. Exceder o intervalo de erro n\u00e3o s\u00f3 trar\u00e1 grande ru\u00eddo, mas tamb\u00e9m afectar\u00e1 o funcionamento do moinho de bolas.<\/p>\n

Adi\u00e7\u00e3o de uma cabina ac\u00fastica ou de uma camada de isolamento ac\u00fastico amortecedor no exterior do tambor do moinho de bolas<\/h3>\n

A colis\u00e3o entre o revestimento e o material e o meio de moagem produzir\u00e1 ru\u00eddo. A adi\u00e7\u00e3o de uma cabine ac\u00fastica no exterior do cilindro pode reduzir o ru\u00eddo, mas a desvantagem \u00e9 que afectar\u00e1 a ventila\u00e7\u00e3o e a dissipa\u00e7\u00e3o de calor, e tamb\u00e9m causar\u00e1 problemas para a manuten\u00e7\u00e3o e conserva\u00e7\u00e3o posteriores.
\nA camada de isolamento ac\u00fastico amortecido evita este tipo de problemas. Uma manga de isolamento ac\u00fastico amortecedor do tipo grampo flutuante \u00e9 colocada na caixa exterior do cilindro, e o cilindro \u00e9 envolvido por uma camada de isolamento ac\u00fastico amortecido para reduzir o ru\u00eddo em 12 a 15 dB (A).<\/p>\n

Os materiais de isolamento ac\u00fastico para moinhos de bolas est\u00e3o atualmente dispon\u00edveis no mercado para coberturas ac\u00fasticas, veda\u00e7\u00f5es ac\u00fasticas e ecr\u00e3s \u00e0 prova de ru\u00eddo.<\/p>\n

    \n
  1. \n
      \n
    1. Cobertura de ru\u00eddo
      \nEstrutura: tipo fixo e m\u00f3vel.
      \nMaterial: a\u00e7o inoxid\u00e1vel, a\u00e7o mangan\u00eas, ferro, etc.
      \nVantagens: conce\u00e7\u00e3o simples, f\u00e1cil instala\u00e7\u00e3o, bom isolamento ac\u00fastico.
      \nDesvantagens: A grande \u00e1rea \u00fatil \u00e9 equivalente a colocar todo o moinho de bolas de cimento, o redutor e o motor sob a cobertura. \u00c9 f\u00e1cil acumular p\u00f3 e a sua manuten\u00e7\u00e3o \u00e9 inconveniente.<\/li>\n
    2. Prote\u00e7\u00e3o contra o ru\u00eddo
      \nEstrutura: Multi-camada, envolvida no exterior do barril do moinho de bolas de cimento.
      \nMaterial: material resistente ao calor.
      \nVantagens: f\u00e1cil de instalar, redu\u00e7\u00e3o do ru\u00eddo at\u00e9 15-25db, isolamento t\u00e9rmico.<\/li>\n
    3. Ecr\u00e3 \u00e0 prova de ru\u00eddo
      \nEstrutura: tipo fixo e m\u00f3vel.
      \nMaterial: Material de absor\u00e7\u00e3o sonora leve e poroso.
      \nVantagens: Materiais especiais e bom isolamento para baixa frequ\u00eancia e alto ru\u00eddo.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

      Sele\u00e7\u00e3o do revestimento<\/h3>\n

      A substitui\u00e7\u00e3o do revestimento de a\u00e7o mangan\u00eas por um revestimento de borracha pode reduzir o ru\u00eddo de impacto do cilindro.<\/p>\n

      Instalar uma almofada el\u00e1stica entre a parede interior do cilindro e o revestimento<\/h3>\n

      Adi\u00e7\u00e3o de uma camada de almofada el\u00e1stica entre a parede interna do cilindro e a placa de revestimento para reduzir a amplitude da vibra\u00e7\u00e3o e reduzir a radia\u00e7\u00e3o sonora. Este m\u00e9todo pode reduzir o ru\u00eddo em cerca de 10 dB(A).<\/p>\n

      Inspe\u00e7\u00e3o regular do sistema de lubrifica\u00e7\u00e3o<\/h3>\n

      Verificar regularmente o sistema de lubrifica\u00e7\u00e3o e adicionar regularmente lubrificante para reduzir o ru\u00eddo causado pela fric\u00e7\u00e3o da engrenagem.<\/p>\n

      \n

      Em geral, existem duas formas de reduzir o ru\u00eddo do moinho de bolas: primeiro, o caminho de transmiss\u00e3o do som; segundo, a fonte do ru\u00eddo.
      \nReduzir o ru\u00eddo, criar um melhor ambiente de trabalho, tornar a produ\u00e7\u00e3o de equipamento mais cont\u00ednua e eficiente, e trazer maiores lucros para a produ\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"

      Introdu\u00e7\u00e3o O moinho de bolas \u00e9 um equipamento de moagem indispens\u00e1vel no processo de beneficiamento de min\u00e9rios. Como controlar o ru\u00eddo do moinho de bolas? O moinho de bolas \u00e9 utilizado principalmente para moer materiais no processo de produ\u00e7\u00e3o industrial. Devido ao grande volume e tonelagem pesada, o ru\u00eddo (forte vibra\u00e7\u00e3o e ru\u00eddo) gerado \u00e9 geralmente acima de 95dB (A), que ... Continuar a ler 5 maneiras de controlar o ru\u00eddo do moinho de bolas<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":1808,"parent":0,"menu_order":286,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-8296","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\n5 Ways to Control the Ball Mill Noise - JXSC Machine<\/title>\n<meta name=\"description\" content=\"How to control the ball mill noise? 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