{"id":3276,"date":"2025-06-12T10:34:27","date_gmt":"2025-06-12T02:34:27","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3276"},"modified":"2025-06-12T16:26:18","modified_gmt":"2025-06-12T08:26:18","slug":"grinding-and-classification-process-of-heavy-calcium-carbonate-powder-for-breathable-membrane","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/grinding-and-classification-process-of-heavy-calcium-carbonate-powder-for-breathable-membrane\/","title":{"rendered":"Proc\u00e9d\u00e9 de broyage et de classification de la poudre lourde de carbonate de calcium pour membrane respirante"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"584\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Breathable-Membrane.webp\" alt=\"Membrane respirante\" class=\"wp-image-3279\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Breathable-Membrane.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Breathable-Membrane-300x219.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Breathable-Membrane-768x561.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Breathable-Membrane-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/\">Poudre de carbonate de calcium lourde<\/a> Il s&#039;agit d&#039;un mat\u00e9riau min\u00e9ral non m\u00e9tallique inorganique \u00e0 faible teneur en carbone, respectueux de l&#039;environnement. Il constitue l&#039;une des charges importantes des membranes respirantes. Lors de la pr\u00e9paration de ces membranes, la poudre de calcium lourd agit comme un agent porog\u00e8ne. Par \u00e9tirement unidirectionnel ou biaxial, la matrice polyester et les particules de calcium lourd se s\u00e9parent. Des microcanaux se forment entre les particules de charge, cr\u00e9ant une membrane respirante microporeuse. Cette membrane permet la diffusion de la vapeur d&#039;eau tout en bloquant les fuites d&#039;eau liquide. Actuellement, la finesse de la poudre de calcium lourd (d97) et sa r\u00e9partition, ainsi que sa teneur en poudre fine de 2 \u00b5m, ont un impact direct sur la fluidit\u00e9 du proc\u00e9d\u00e9 poudre\/r\u00e9sine. Ces facteurs influent \u00e9galement sur la stabilit\u00e9 de production de la membrane respirante. Ils ont un impact crucial sur l&#039;\u00e9tirement, la structure des pores, la perm\u00e9abilit\u00e9 \u00e0 l&#039;air et les propri\u00e9t\u00e9s m\u00e9caniques de la membrane. Par cons\u00e9quent, cet article se concentre sur les technologies cl\u00e9s de broyage et de classification. Il est li\u00e9 \u00e0 la finesse (d97) et \u00e0 la teneur en poudre fine de 2 \u00b5m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statu quo<\/h2>\n\n\n\n<p>L&#039;application du calcium lourd domestique dans les membranes respirantes et autres produits membranaires pr\u00e9sente principalement les caract\u00e9ristiques suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La plage de fluctuation de la finesse du d97 est importante, ce qui peut entra\u00eener une instabilit\u00e9 de la qualit\u00e9 des membranes respirantes. En particulier, lorsque des particules de plus grande granulom\u00e9trie se trouvent dans la matrice polym\u00e8re, elles deviennent des points de concentration de contraintes. Cela affecte les performances du produit et rend m\u00eame impossible le traitement en aval.<\/li>\n\n\n\n<li>Une teneur en poudre fine de 2 \u00b5m, qu&#039;elle soit trop \u00e9lev\u00e9e ou trop faible, surtout en cas d&#039;exc\u00e8s, peut entra\u00eener une agglom\u00e9ration de la poudre et la formation de particules pseudo-grosses. Cela rend la poudre difficile \u00e0 disperser, ce qui affecte la stabilit\u00e9 et les performances du processus de production de la membrane respirante.<\/li>\n\n\n\n<li>Selon l\u2019analyse d\u2019\u00e9chantillonnage, un \u00e9tranger <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">carbonate de calcium<\/a> La poudre de calcium lourd sp\u00e9cifique aux membranes de la soci\u00e9t\u00e9 a \u00e9t\u00e9 \u00e9tudi\u00e9e. La finesse de la poudre (d97) est de 16,5 \u00e0 17,3 \u00b5m. La fluctuation de finesse est \u2264 1 \u00b5m. La teneur en poudre fine de 2 \u00b5m est de 29,1% \u00e0 30,3%. La morphologie des particules est approximativement sph\u00e9rique ou fusiforme. Ce produit b\u00e9n\u00e9ficie d&#039;une forte comp\u00e9titivit\u00e9 sur le march\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Processus de broyage<\/h2>\n\n\n\n<p>Cette exp\u00e9rience se concentre sur quatre param\u00e8tres de proc\u00e9d\u00e9 directement li\u00e9s au broyage\u00a0: la vitesse du disque, la pression des rouleaux, la granulom\u00e9trie d&#039;alimentation et l&#039;\u00e9paisseur de la couche de mat\u00e9riau. La teneur en poudre fine de 10\u00a0\u00b5m de la poudre broy\u00e9e sert de crit\u00e8re d&#039;\u00e9valuation. Sur la base de la construction du mod\u00e8le et des param\u00e8tres pr\u00e9liminaires de l&#039;exp\u00e9rience sur le terrain, les plages de niveaux pour chaque facteur sont d\u00e9finies comme indiqu\u00e9 dans le tableau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"748\" height=\"235\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Total-factor-level-table-for-the-powder-experiment.webp\" alt=\"Tableau des niveaux de facteurs totaux pour l&#039;exp\u00e9rience sur poudre\" class=\"wp-image-3277\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Total-factor-level-table-for-the-powder-experiment.webp 748w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Total-factor-level-table-for-the-powder-experiment-300x94.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Total-factor-level-table-for-the-powder-experiment-18x6.webp 18w\" sizes=\"(max-width: 748px) 100vw, 748px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Processus de classification et de flux constant<\/h2>\n\n\n\n<p>Selon le pr\u00e9c\u00e9dent <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-air-classifier\/\">classification<\/a>, les param\u00e8tres d&#039;essai de volume d&#039;air et de pression et la simulation du mod\u00e8le de champ d&#039;\u00e9coulement, la vitesse du rotor du classificateur, le volume d&#039;air et la pression sont d\u00e9termin\u00e9s comme niveaux de facteurs de l&#039;exp\u00e9rience de classification. Le niveau du processus de classification est indiqu\u00e9 dans le tableau. La finesse de la poudre finie d97 = 17 \u00b1 0,5 \u00b5m et la teneur en poudre fine de 2 \u00b5m dans la poudre sont utilis\u00e9es comme base d&#039;\u00e9valuation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/air-classifier.webp\" alt=\"classificateur d&#039;air\" class=\"wp-image-3283\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/air-classifier.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/air-classifier-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/air-classifier-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/air-classifier-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"636\" height=\"237\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Factor-level-table-for-hierarchical-experiment.webp\" alt=\"Tableau des niveaux de facteurs pour l&#039;exp\u00e9rience hi\u00e9rarchique\" class=\"wp-image-3278\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Factor-level-table-for-hierarchical-experiment.webp 636w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Factor-level-table-for-hierarchical-experiment-300x112.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Factor-level-table-for-hierarchical-experiment-18x7.webp 18w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Production et application industrielles<\/h2>\n\n\n\n<p>La vitesse du disque a \u00e9t\u00e9 r\u00e9gl\u00e9e \u00e0 42 tr\/min, avec une taille de particules d&#039;alimentation ne d\u00e9passant pas 8 mm, une \u00e9paisseur de couche de mat\u00e9riau de 6 cm et une pression du rouleau de 60 kPa.<br>La vitesse du rotor du classificateur a \u00e9t\u00e9 r\u00e9gl\u00e9e \u00e0 1\u00a0400 tr\/min, la pression d&#039;air \u00e0 12,1 kPa et le volume d&#039;air \u00e0 2,7 \u00d7 10\u2074 m\u00b3\/h\u00a0; ces param\u00e8tres ont \u00e9t\u00e9 d\u00e9finis comme param\u00e8tres de fonctionnement du syst\u00e8me. Apr\u00e8s trois essais continus de 12\u00a0heures sur site, les r\u00e9sultats ont montr\u00e9 que\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La finesse du produit d97 variait de 16,53 \u00e0 17,32 \u00b5m.<\/li>\n\n\n\n<li>La teneur en poudre fine de 2 \u00b5m \u00e9tait comprise entre 28,9% et 30,3%.<br>Ces r\u00e9sultats r\u00e9pondaient aux sp\u00e9cifications du produit \u00e9tranger de d97 = 17 \u00b1 0,5 \u00b5m et \u00e0 une teneur en poudre fine de 2 \u00b5m de 28-31%, et les performances \u00e9taient meilleures que celles des produits nationaux similaires.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Gr\u00e2ce \u00e0 l&#039;\u00e9tude exp\u00e9rimentale du processus de broyage et de classification \u00e0 flux constant, \u00e0 la surveillance en temps r\u00e9el des param\u00e8tres de l&#039;\u00e9quipement et \u00e0 la d\u00e9tection de la taille des particules, ainsi qu&#039;\u00e0 la simulation des param\u00e8tres du processus, les param\u00e8tres du processus \u00e0 flux constant pour la poudre finie ont \u00e9t\u00e9 d\u00e9termin\u00e9s comme suit :<\/p>\n\n\n\n<p><strong>Les param\u00e8tres de broyage optimaux \u00e9taient :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vitesse du disque : 42 tr\/min<\/li>\n\n\n\n<li>Taille des particules d&#039;alimentation : \u2264 8 mm<\/li>\n\n\n\n<li>\u00c9paisseur de la couche de mat\u00e9riau : 6 cm<\/li>\n\n\n\n<li>Pression du rouleau : 60 kPa<br>Les r\u00e9sultats de l\u2019exp\u00e9rience orthogonale \u00e9taient coh\u00e9rents avec les pr\u00e9dictions exp\u00e9rimentales pr\u00e9c\u00e9dentes.<\/li>\n<\/ul>\n\n\n\n<p><strong>Les param\u00e8tres de classification optimaux \u00e9taient :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vitesse du rotor du classificateur : 1400 tr\/min<\/li>\n\n\n\n<li>Pression d&#039;air : 12,1 kPa<\/li>\n\n\n\n<li>Volume d&#039;air : 2,7\u00d710\u2074 m\u00b3\/h<br>La comparaison avec les r\u00e9sultats de l\u2019exp\u00e9rience orthogonale a montr\u00e9 que l\u2019effet de classification et le taux de qualification de la poudre finie pr\u00e9vu \u00e9taient coh\u00e9rents.<\/li>\n<\/ul>\n\n\n\n<p>Gr\u00e2ce aux recherches exp\u00e9rimentales ci-dessus sur les param\u00e8tres du processus, la production \u00e9conome en \u00e9nergie et \u00e0 haut rendement de <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">poudre de carbonate de calcium lourde<\/a> pour les membranes respirantes a \u00e9t\u00e9 atteint.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Syst\u00e8me de broyeur \u00e0 boulets et de classificateur pour carbonate de calcium-EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/SVjfmdFpEOc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Poudre \u00e9pique<\/a><\/h2>\n\n\n\n<p>Epic Powder, plus de 20 ans d&#039;exp\u00e9rience dans l&#039;industrie des poudres ultrafines. Nous promouvons activement le d\u00e9veloppement futur des poudres ultrafines, en nous concentrant sur les proc\u00e9d\u00e9s de concassage, de broyage, de classification et de modification. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es\u00a0! Notre \u00e9quipe d&#039;experts s&#039;engage \u00e0 vous fournir des produits et services de haute qualit\u00e9 pour optimiser la valeur de vos proc\u00e9d\u00e9s de traitement des poudres. Epic Powder\u00a0: votre expert de confiance en traitement des poudres\u00a0!<\/p>\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 role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/3276#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3276#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre nom*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Votre entreprise\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Votre message\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>La poudre lourde de carbonate de calcium est un mat\u00e9riau min\u00e9ral inorganique non m\u00e9tallique \u00e0 faible teneur en carbone, respectueux de l&#039;environnement. C&#039;est l&#039;une des charges importantes des membranes respirantes. Lors de la fabrication de ces membranes, la poudre lourde de calcium agit comme un \u00ab\u00a0porog\u00e8ne\u00a0\u00bb. Par \u00e9tirement unidirectionnel ou biaxial, la matrice polyester et les particules lourdes de calcium se s\u00e9parent. Des microcanaux se forment entre la charge [\u2026]<\/p>","protected":false},"author":1,"featured_media":3280,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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