{"id":5334,"date":"2019-08-07T10:30:46","date_gmt":"2019-08-07T02:30:46","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=5334"},"modified":"2019-08-07T11:16:11","modified_gmt":"2019-08-07T03:16:11","slug":"alimentador-de-pa-carregadora-para-trabalhos-pesados","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/heavy-duty-apron-feeder\/","title":{"rendered":"Como prolongar a vida \u00fatil do alimentador de avental para servi\u00e7o pesado?"},"content":{"rendered":"
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A mina de cobre de Chengmenshan \u00e9 uma mina de cobre a c\u00e9u aberto do Jiangxi Copper Group. Existem 2 sistemas de processamento mineral, todos os quais usam alimentador de avental pesado para transferir os min\u00e9rios para o transportador de correia.<\/p>\n

\u00c0 medida que a capacidade de produ\u00e7\u00e3o da mina aumenta, o desgaste da placa de prote\u00e7\u00e3o do alimentador de placa pesada aumenta, resultando numa vida \u00fatil mais curta. A substitui\u00e7\u00e3o da placa de prote\u00e7\u00e3o \u00e9 a principal carga de trabalho de manuten\u00e7\u00e3o do alimentador de placa pesada, a manuten\u00e7\u00e3o do tempo de inatividade restringe a efici\u00eancia de trabalho.<\/p>\n

Junte-se a n\u00f3s para saber como prolongar a vida \u00fatil do alimentador de avental.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

Especifica\u00e7\u00e3o do alimentador de avental e caracter\u00edsticas do material de alimenta\u00e7\u00e3o<\/h2>\n\t
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Modelo de alimentador de avental: 1200 mm\u00d76048 mm
\nLargura da corrente: 1200 mm
\nVelocidade de alimenta\u00e7\u00e3o: (0,064\uff5e0,1) m\/s (controlo de frequ\u00eancia)
\nCapacidade: 200\uff5e350 t\/h
\nTamanho da alimenta\u00e7\u00e3o: \u2264300 mm
\nDensidade aparente do material: 1960 kg \/ m3
\nModelo do motor: YP2-180M-4, 18,5 kW
\nModelo do redutor: M5RHT60, rela\u00e7\u00e3o de velocidade: 436,87.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

An\u00e1lise da situa\u00e7\u00e3o e problemas existentes<\/h2>\n\t
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As duas placas de prote\u00e7\u00e3o laterais do contentor de min\u00e9rio utilizam a\u00e7o resistente ao desgaste, a sua vida \u00fatil \u00e9 de cerca de 6 meses.
\nO nosso engenheiro verificou que a parte do parafuso de montagem da placa de prote\u00e7\u00e3o estava seriamente desgastada e havia o risco de cair da placa de prote\u00e7\u00e3o, o que causava um risco de seguran\u00e7a para o processo seguinte.<\/p>\n

De acordo com a an\u00e1lise, a prote\u00e7\u00e3o n\u00e3o est\u00e1 sujeita a tens\u00f5es uniformes e o desgaste da parte inferior \u00e9 mais acentuado do que o da parte superior.
\nPrincipalmente devido ao movimento relativo do min\u00e9rio e da placa de prote\u00e7\u00e3o, o atrito de deslizamento e a for\u00e7a de press\u00e3o s\u00e3o gerados, causando assim o desgaste da placa de prote\u00e7\u00e3o.
\nAl\u00e9m disso, \u00e0 medida que o min\u00e9rio cai da pilha para o fundo, o min\u00e9rio do fundo move-se mais rapidamente e recebe mais for\u00e7a de press\u00e3o. De acordo com o princ\u00edpio da for\u00e7a e rea\u00e7\u00e3o, a parte inferior da blindagem \u00e9 esmagada pelo min\u00e9rio. A for\u00e7a e o atrito tamb\u00e9m s\u00e3o maiores, pelo que a parte inferior da placa de prote\u00e7\u00e3o se desgasta mais seriamente.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

Solu\u00e7\u00f5es<\/h2>\n\t
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(1) Adicionar o dispositivo de prote\u00e7\u00e3o dos parafusos. Foi concebida uma sali\u00eancia redonda de 20 mm de espessura em cada local de furo de parafuso para proteger os parafusos.<\/p>\n

(2) Utiliza\u00e7\u00e3o inteligente de tiras resistentes ao desgaste (Fig. 1). De acordo com a trajet\u00f3ria de desgaste do min\u00e9rio, adicionar uma tira resistente ao desgaste no painel (470 mm \u00d7 30 mm \u00d7 40 mm) e adicionar 3 tiras resistentes ao desgaste na parte inferior (1075 mm \u00d7 30 mm \u00d7 40 mm, 400 mm \u00d7 30 mm \u00d7 40 mm, 250 mm \u00d7 30 mm \u00d7 40 mm).<\/p>\n

Quando o alimentador de placa pesada est\u00e1 a funcionar, o espa\u00e7o formado entre as tiras de desgaste ser\u00e1 preenchido com min\u00e9rio fino e min\u00e9rio pequeno. Este min\u00e9rio pequeno e a placa de prote\u00e7\u00e3o s\u00e3o relativamente est\u00e1ticos, formando uma camada protetora da placa, reduzindo o desgaste causado pela fric\u00e7\u00e3o direta entre a placa de prote\u00e7\u00e3o e o min\u00e9rio grande, prolongando assim a vida \u00fatil da placa de prote\u00e7\u00e3o (Fig. 2)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"estrutura<\/div>\n\t\t<\/figure>\n\t<\/div>\n\n\t
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\"Dire\u00e7\u00e3o<\/div>\n\t\t<\/figure>\n\t<\/div>\n

Compara\u00e7\u00e3o da vida \u00fatil antes e depois da otimiza\u00e7\u00e3o<\/h2>\n\t
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Atrav\u00e9s do design de otimiza\u00e7\u00e3o estrutural das placas de prote\u00e7\u00e3o em ambos os lados da caixa de min\u00e9rio da mina, o problema do desgaste irregular e do desgaste grave da placa de prote\u00e7\u00e3o foi completamente resolvido, e a vida \u00fatil da placa de prote\u00e7\u00e3o optimizada foi prolongada de 6 meses para 24 meses (Figura 3).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

Conclus\u00e3o<\/h2>\n\t
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O projeto alcan\u00e7ou bons resultados, resolveu o problema da curta vida \u00fatil da placa de prote\u00e7\u00e3o, reduziu a frequ\u00eancia de manuten\u00e7\u00e3o e repara\u00e7\u00e3o do alimentador de placa pesada, reduziu a press\u00e3o laboral do pessoal de manuten\u00e7\u00e3o e melhorou a efici\u00eancia operacional do equipamento e a estabilidade do sistema de produ\u00e7\u00e3o.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"instala\u00e7\u00e3o<\/div>\n\t\t<\/figure>\n\t<\/div>\n
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JXSC, 35 anos de fabrico de equipamento mineiro, fornece tipos de alimentadores de min\u00e9rio<\/a> em todo o mundo (alimentador de p\u00e1, alimentador vibrat\u00f3rio, alimentador de calha, alimentador de disco, etc.).
\nEstamos aqui para ajudar<\/a> \u21d2 sele\u00e7\u00e3o de m\u00e1quinas de minera\u00e7\u00e3o, solu\u00e7\u00f5es de processamento mineral, otimiza\u00e7\u00e3o de plantas de processamento.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Estudo de caso: Sistema de transfer\u00eancia da mina do Jiangxi Copper Group, problemas de desgaste e efici\u00eancia. Junte-se a n\u00f3s para saber como prolongar a vida \u00fatil do alimentador de sapatas.<\/p>","protected":false},"author":1,"featured_media":5358,"parent":0,"menu_order":307,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-5334","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCase Study | How to Prolong the Heavy Duty Apron Feeder Service Life?<\/title>\n<meta name=\"description\" content=\"Case Study: Jiangxi Copper Group mine transfer system, wear and efficiency problems. 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