{"id":11886,"date":"2025-11-21T15:06:20","date_gmt":"2025-11-21T14:06:20","guid":{"rendered":"https:\/\/www.diemmefiltration.com\/?p=11886"},"modified":"2025-11-21T16:56:12","modified_gmt":"2025-11-21T15:56:12","slug":"gestire-solidi-grossolani-filtropressa-affidabile","status":"publish","type":"post","link":"https:\/\/www.diemmefiltration.com\/it\/blog\/gestire-solidi-grossolani-filtropressa-affidabile\/","title":{"rendered":"Gestire i solidi grossolani per un filtropressa pi\u00f9 affidabile"},"content":{"rendered":"

Le 10+1 informazioni da sapere quando si opera con i filtripressa.<\/em><\/strong><\/h4>\n

Episodio 2 \u2013 Gestire i solidi grossolani per un filtropressa pi\u00f9 affidabile<\/strong><\/h4>\n

Benvenuti alla seconda puntata della nostra rubrica tecnica, \u201cLe 10+1 informazioni da sapere quando si opera con i filtripressa\u201d.
\nUno spazio dedicato alla condivisione di esperienze operative, con l\u2019obiettivo di promuovere una progettazione pi\u00f9 consapevole e un esercizio pi\u00f9 efficiente degli impianti di filtrazione.<\/p>\n

Focus del giorno: Quali rischi comporta la presenza di solidi grossolani?<\/strong><\/h4>\n

La filtrazione solido-liquido \u00e8 un processo fortemente influenzato dalla distribuzione granulometrica<\/strong> dei solidi presenti nella sospensione.
\nIn generale, particelle di dimensioni maggiori favoriscono il drenaggio e riducono i tempi di filtrazione, mentre particelle molto fini rallentano il processo di disidratazione.<\/p>\n

Tuttavia, la presenza di solidi grossolani non controllati<\/strong> (come sabbia grossa, ghiaia o piccoli aggregati) pu\u00f2 causare importanti problematiche di esercizio<\/strong>, tra cui:<\/p>\n

    \n
  • Abrasione precoce<\/strong> di tubazioni, valvole e soprattutto delle tele filtranti<\/strong>, con conseguente riduzione della loro vita utile;<\/li>\n<\/ul>\n

    \"\"<\/p>\n

      \n
    • Occlusione parziale o totale<\/strong> dei fori di alimentazione delle piastre, con alimentazione disomogenea delle camere;<\/li>\n<\/ul>\n

      \"\"<\/p>\n

        \n
      • Formazione irregolare del cake<\/strong> e possibili differenze di pressione tra le piastre, che possono condurre, nei casi peggiori, alla rottura meccanica del pacco piastre<\/strong>.<\/li>\n<\/ul>\n

        \"Pacco<\/p>\n

        Tali danni, oltre a generare costi diretti di sostituzione dei componenti, possono comportare lunghi fermi impianto<\/strong>.<\/p>\n

        Una misura preventiva fondamentale<\/strong><\/h4>\n

        Per prevenire queste problematiche, si raccomanda l\u2019installazione di un vaglio meccanico a monte del filtropressa<\/strong>, in grado di trattenere le particelle superiori a una soglia predefinita (ad esempio 500 micron)<\/strong>.<\/p>\n

        \"\"<\/p>\n

        Questa semplice accortezza consente di:<\/p>\n

          \n
        • Garantire un\u2019alimentazione pi\u00f9 omogenea e compatibile con il design delle piastre;<\/li>\n
        • Ridurre drasticamente il rischio di abrasioni e intasamenti;<\/li>\n
        • Aumentare l\u2019affidabilit\u00e0 complessiva dell\u2019impianto.<\/li>\n<\/ul>\n

          In presenza di rotture o malfunzionamenti del filtropressa, \u00e8 sempre opportuno eseguire un\u2019analisi granulometrica del fango per verificare la presenza di solidi fuori specifica, spesso imputabili a mancanze o irregolarit\u00e0 a monte dell\u2019impianto di disidratazione<\/strong>.<\/p>\n

          Un principio essenziale da non trascurare<\/strong><\/h4>\n

          Il filtropressa lavora in modo ottimale solo se alimentato con una sospensione coerente con le sue caratteristiche progettuali.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Le 10+1 informazioni da sapere quando si opera con i filtripressa. Episodio 2 \u2013 Gestire i solidi grossolani per un filtropressa pi\u00f9 affidabile Benvenuti alla seconda puntata della nostra rubrica tecnica, \u201cLe 10+1 informazioni da sapere quando si opera con i filtripressa\u201d. Uno spazio dedicato alla condivisione di esperienze operative, con l\u2019obiettivo di promuovere una…<\/p>\n","protected":false},"author":5,"featured_media":11887,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-categorizzato","entry","has-media"],"acf":[],"yoast_head":"\nGestire i solidi grossolani per un filtropressa pi\u00f9 affidabile » Diemme Filtration<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gestire i solidi grossolani per un filtropressa pi\u00f9 affidabile » Diemme Filtration\" \/>\n<meta property=\"og:description\" content=\"Le 10+1 informazioni da sapere quando si opera con i filtripressa. 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