{"id":3781,"date":"2026-01-07T14:05:47","date_gmt":"2026-01-07T06:05:47","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?post_type=astra-portfolio&#038;p=3781"},"modified":"2026-01-07T14:05:51","modified_gmt":"2026-01-07T06:05:51","slug":"high-efficiency-limestone-air-classification-production-line-in-paraguay","status":"publish","type":"astra-portfolio","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/high-efficiency-limestone-air-classification-production-line-in-paraguay\/","title":{"rendered":"Ligne de production de classification pneumatique du calcaire \u00e0 haut rendement au Paraguay"},"content":{"rendered":"<p><strong>Contexte du projet\u00a0:<\/strong> Une importante entreprise mini\u00e8re du Paraguay \u00e9tait confront\u00e9e \u00e0 plusieurs d\u00e9fis dans ses op\u00e9rations de traitement du calcaire, notamment la faible efficacit\u00e9 des \u00e9quipements de criblage traditionnels, une forte pollution par les poussi\u00e8res et la difficult\u00e9 \u00e0 contr\u00f4ler pr\u00e9cis\u00e9ment les pertes de particules fines. Afin de r\u00e9pondre aux exigences strictes des applications industrielles et de construction en aval, qui n\u00e9cessitent des tailles de particules sp\u00e9cifiques (0,1 mm \u00e0 2 mm), le client recherchait une solution offrant un rendement \u00e9lev\u00e9, un haut niveau d&#039;automatisation et une pr\u00e9cision sup\u00e9rieure de classification pneumatique du calcaire.<\/p>\n\n\n\n<p><strong>Principaux d\u00e9fis\u00a0:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Large gamme de tailles de particules\u00a0:<\/strong> Une classification pr\u00e9cise \u00e9tait requise dans une large plage allant de 0,1 mm \u00e0 2 mm.<\/li>\n\n\n\n<li><strong>Demande de capacit\u00e9 extr\u00eamement \u00e9lev\u00e9e :<\/strong> Une seule ligne de production \u00e9tait n\u00e9cessaire pour atteindre un d\u00e9bit de 30 \u00e0 40 t\/h.<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 l&#039;usure :<\/strong> Le calcaire provoque un certain degr\u00e9 d&#039;abrasion, n\u00e9cessitant un fonctionnement stable \u00e0 long terme et une grande durabilit\u00e9 des \u00e9quipements.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Solution: <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">Poudre \u00e9pique<\/a> <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-air-classifier\/\">Classification a\u00e9rienne CTC<\/a> Syst\u00e8me<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"789\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/CTC-6-air-classifier.webp\" alt=\"Classificateur d&#039;air CTC-6\" class=\"wp-image-3782\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/CTC-6-air-classifier.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/CTC-6-air-classifier-300x296.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/CTC-6-air-classifier-768x757.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/CTC-6-air-classifier-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Pour r\u00e9pondre \u00e0 ces exigences, Epic Powder a fourni son classificateur pneumatique de la s\u00e9rie CTC (\u00e9galement appel\u00e9 classificateur de poudres grossi\u00e8res). Ce syst\u00e8me est sp\u00e9cialement con\u00e7u pour le classement des poudres dont la granulom\u00e9trie se situe entre 100 \u03bcm (0,1 mm) et 2 mm, comblant ainsi l&#039;\u00e9cart entre les classificateurs pneumatiques conventionnels (principalement destin\u00e9s aux poudres fines) et les tamis vibrants traditionnels (\u00e0 faible rendement).<\/p>\n\n\n\n<p><strong>Principales caract\u00e9ristiques de l&#039;\u00e9quipement<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principe de classification :<\/strong> Apr\u00e8s leur entr\u00e9e dans la chambre de classification, les particules sont s\u00e9par\u00e9es dynamiquement en fonction de l&#039;\u00e9quilibre entre la r\u00e9sistance de l&#039;air, la force centrifuge et la gravit\u00e9.<\/li>\n\n\n\n<li><strong>Conception haute capacit\u00e9 :<\/strong> En optimisant la structure interne du rotor et la distribution du flux d&#039;air, le syst\u00e8me CTC peut facilement g\u00e9rer des d\u00e9bits d&#039;alimentation sup\u00e9rieurs \u00e0 40 t\/h.<\/li>\n\n\n\n<li><strong>Technologie c\u00e9ramique r\u00e9sistante \u00e0 l&#039;usure\u00a0:<\/strong> Pour les applications calcaires, les composants internes sujets \u00e0 l&#039;usure peuvent \u00eatre rev\u00eatus de mat\u00e9riaux r\u00e9sistants \u00e0 l&#039;usure ou de rev\u00eatements en c\u00e9ramique, ce qui prolonge consid\u00e9rablement leur dur\u00e9e de vie.<\/li>\n<\/ul>\n\n\n\n<p><strong>Aper\u00e7u du processus de production\u00a0:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Phase d&#039;alimentation :<\/strong> Le calcaire brut est transport\u00e9 par un \u00e9l\u00e9vateur \u00e0 godets et achemin\u00e9 vers l&#039;entr\u00e9e sup\u00e9rieure du classificateur CTC.<\/li>\n\n\n\n<li><strong>Classification de l&#039;air :<\/strong> Une roue classificatrice \u00e0 fr\u00e9quence contr\u00f4l\u00e9e tourne \u00e0 grande vitesse, g\u00e9n\u00e9rant un champ d&#039;\u00e9coulement interne stable.<\/li>\n\n\n\n<li><strong>D\u00e9charge du produit :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Produit qualifi\u00e9 (0,1 mm\u20132 mm)\u00a0:<\/strong> En ajustant pr\u00e9cis\u00e9ment la vitesse de la roue de classification et le d\u00e9bit d&#039;air du ventilateur, les particules de la taille cible sont \u00e9vacu\u00e9es par la sortie du produit.<\/li>\n\n\n\n<li><strong>S\u00e9paration des poudres ultrafines :<\/strong> Les fines particules inf\u00e9rieures \u00e0 0,1 mm sont transport\u00e9es par le flux d&#039;air dans le syst\u00e8me de d\u00e9poussi\u00e9rage (par exemple, un filtre \u00e0 sac puls\u00e9), emp\u00eachant la pollution et permettant la collecte comme sous-produit.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Syst\u00e8me circulatoire :<\/strong> Les particules grossi\u00e8res (&gt;2 mm) sont renvoy\u00e9es \u00e0 l&#039;\u00e9tape de broyage pour \u00eatre retrait\u00e9es.<\/li>\n<\/ul>\n\n\n\n<p><strong>R\u00e9sultats du projet\u00a0:<\/strong><\/p>\n\n\n\n<p>Apr\u00e8s sa mise en service, la ligne de production de classification pneumatique du calcaire au Paraguay a d\u00e9pass\u00e9 les attentes du client, avec les donn\u00e9es de performance sur site suivantes\u00a0:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Param\u00e8tre cl\u00e9<\/th><th>Donn\u00e9es mesur\u00e9es sur site<\/th><\/tr><\/thead><tbody><tr><td>Mati\u00e8res premi\u00e8res<\/td><td>Calcaire<\/td><\/tr><tr><td>Taille du produit<\/td><td>0,1 mm \u2013 2,0 mm (r\u00e9glable)<\/td><\/tr><tr><td>Capacit\u00e9 r\u00e9elle<\/td><td>35 \u00e0 38 t\/h<\/td><\/tr><tr><td>consommation d&#039;\u00e9nergie<\/td><td>~20% inf\u00e9rieur aux proc\u00e9d\u00e9s traditionnels<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p 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