{"id":15784,"date":"2025-08-21T07:23:31","date_gmt":"2025-08-21T07:23:31","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15784"},"modified":"2025-08-21T07:26:35","modified_gmt":"2025-08-21T07:26:35","slug":"how-to-adjust-particle-size-in-jet-mills-processing","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/fr\/how-to-adjust-particle-size-in-jet-mills-processing\/","title":{"rendered":"Comment ajuster la taille des particules dans le traitement des broyeurs \u00e0 jet"},"content":{"rendered":"<p>Jet mills&nbsp;(or jet pulverizers) are equipment that utilizes high-speed airflow to achieve ultrafine grinding of materials. The core principle involves accelerating particles through airflow, causing collisions between particles, friction, and impact with internal components to achieve comminution. The particle size of powders processed by air jet milling can be adjusted through the following key operational parameters.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1025\" height=\"605\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1.webp\" alt=\"\" class=\"wp-image-15790\" style=\"width:671px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1.webp 1025w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1-300x177.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1-768x453.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI1-1-600x354.webp 600w\" sizes=\"(max-width: 1025px) 100vw, 1025px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-e8b45a7a21000743152d653648881233\">1. R\u00e9glage de la vitesse de la roue du classificateur<\/h2>\n\n\n\n<p>La roue de classification s\u00e9pare les particules grossi\u00e8res et fines gr\u00e2ce \u00e0 la force centrifuge. Sa vitesse de rotation influence directement l&#039;efficacit\u00e9 de la s\u00e9paration. Elle augmente la force centrifuge, permettant le passage des particules les plus fines et produisant ainsi un produit de plus petite taille. Elle r\u00e9duit \u00e9galement la force centrifuge, permettant le passage des particules plus grosses et produisant ainsi un produit de plus grande taille. Convient aux applications exigeant un contr\u00f4le strict de la granulom\u00e9trie, comme le traitement des poudres ultrafines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-98c7e2f7455dcc667a99514e4f385eef\">2. R\u00e9glage du volume et de la vitesse de l&#039;air<\/h2>\n\n\n\n<p>Le volume et la vitesse de l&#039;air d\u00e9terminent le temps de s\u00e9jour du mat\u00e9riau dans la chambre de broyage et la fr\u00e9quence des collisions. Ce proc\u00e9d\u00e9 r\u00e9duit le temps de s\u00e9jour et la fr\u00e9quence des collisions, mais augmente l&#039;\u00e9nergie par collision, ce qui produit g\u00e9n\u00e9ralement des particules plus fines. Il prolonge le temps de s\u00e9jour et augmente la fr\u00e9quence des collisions, mais r\u00e9duit l&#039;\u00e9nergie par collision, ce qui peut entra\u00eener des particules plus grosses ou une distribution granulom\u00e9trique plus large. Il convient d&#039;\u00e9quilibrer le volume d&#039;air et la pression de broyage pour \u00e9viter l&#039;entra\u00eenement de particules grossi\u00e8res par un d\u00e9bit d&#039;air excessif.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-7084b4af00706b6e702813d5101b98b0\">3. Contr\u00f4le de la pression de broyage<\/h2>\n\n\n\n<p>La pression de broyage affecte directement l&#039;intensit\u00e9 des collisions de particules. Elle augmente l&#039;\u00e9nergie de collision, am\u00e9liorant l&#039;efficacit\u00e9 du broyage et r\u00e9duisant la taille des particules. Elle diminue l&#039;\u00e9nergie de collision, produisant des particules plus grosses. Au-del\u00e0 d&#039;un certain seuil (par exemple, 13 bars), toute augmentation suppl\u00e9mentaire de la pression a un effet limit\u00e9 sur la r\u00e9duction de la taille des particules. Les autres param\u00e8tres doivent \u00eatre ajust\u00e9s en cons\u00e9quence.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"599\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-1024x599.webp\" alt=\"\" class=\"wp-image-15789\" style=\"width:664px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-1024x599.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-300x176.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-768x449.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3-600x351.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/HMI3.webp 1034w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-46db2cd3d0af082914b413265c4e72b0\">4. Optimisation du d\u00e9bit d&#039;alimentation<\/h2>\n\n\n\n<p>Le d\u00e9bit d&#039;alimentation influence la r\u00e9partition du mat\u00e9riau et le temps de s\u00e9jour dans la chambre de broyage. Il prolonge le temps de s\u00e9jour et augmente la fr\u00e9quence des collisions, r\u00e9duisant ainsi la taille des particules, mais peut diminuer l&#039;efficacit\u00e9 du broyage en raison d&#039;une \u00e9paisseur excessive de la couche de mat\u00e9riau. Il r\u00e9duit \u00e9galement le temps de s\u00e9jour, augmentant la taille des particules, mais il faut \u00e9viter de surcharger l&#039;\u00e9quipement en raison d&#039;une alimentation trop rapide. Surveillez le courant du classificateur et le niveau de mat\u00e9riau de la chambre pour vous assurer que le d\u00e9bit d&#039;alimentation correspond \u00e0 la capacit\u00e9 de broyage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-96c5ce65e9fc402db77eb2c51f97eb4d\">5. R\u00e9glage des param\u00e8tres de la buse<\/h2>\n\n\n\n<p>La taille et la forme de la buse influencent la vitesse de l&#039;air et l&#039;acc\u00e9l\u00e9ration du mat\u00e9riau. Augmente la vitesse du flux d&#039;air et l&#039;acc\u00e9l\u00e9ration du mat\u00e9riau, r\u00e9duisant ainsi la taille des particules, mais peut n\u00e9cessiter un nettoyage r\u00e9gulier en raison du risque accru de colmatage. Ajustez l&#039;angle ou la quantit\u00e9 de buse pour am\u00e9liorer la dispersion du mat\u00e9riau et r\u00e9duire l&#039;agglom\u00e9ration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-27c7ffb0d37f9fd26b1879213ac6ae92\">6. R\u00e9glage de la position du tube de distribution<\/h2>\n\n\n\n<p>La position du tube distributeur influence la trajectoire du mat\u00e9riau et son temps de s\u00e9jour dans la chambre de broyage. Elle allonge le temps de s\u00e9jour et augmente les collisions, r\u00e9duisant ainsi la taille des particules. Elle r\u00e9duit \u00e9galement le temps de s\u00e9jour et augmente la taille des particules. Convient aux situations exigeant une grande uniformit\u00e9 de la distribution granulom\u00e9trique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-9352628752e1b881bc63ec8ada32ff8e\">7. Adaptation des param\u00e8tres en fonction des propri\u00e9t\u00e9s du mat\u00e9riau<\/h2>\n\n\n\n<p>Les mat\u00e9riaux plus durs n\u00e9cessitent une pression de broyage plus importante et des diam\u00e8tres de col de buse plus petits. Contr\u00f4lez la temp\u00e9rature et l&#039;humidit\u00e9 du flux d&#039;air pour \u00e9viter la surchauffe ou l&#039;agglom\u00e9ration. Des mati\u00e8res premi\u00e8res plus fines am\u00e9liorent l&#039;efficacit\u00e9 du broyage\u00a0; la vitesse d&#039;avance ou la pression peuvent \u00eatre r\u00e9duites en cons\u00e9quence.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-768x1024.webp\" alt=\"\" class=\"wp-image-15791\" style=\"width:670px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-768x1024.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-225x300.webp 225w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-1152x1536.webp 1152w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-9x12.webp 9w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material-600x800.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/material.webp 1280w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-5c9c353f2459e6c9e3082f39d3254ef0\">8. Recommandations op\u00e9rationnelles<\/h2>\n\n\n\n<p>Le contr\u00f4le granulom\u00e9trique n\u00e9cessite un r\u00e9glage coordonn\u00e9 de la vitesse du classificateur, du d\u00e9bit d&#039;air, de la pression de broyage, etc. \u00c9vitez tout r\u00e9glage excessif d&#039;un seul param\u00e8tre afin d&#039;\u00e9viter tout probl\u00e8me d&#039;\u00e9quipement. Utilisez des analyseurs granulom\u00e9triques ou des microscopes \u00e9lectroniques pour inspecter r\u00e9guli\u00e8rement la taille du produit et optimiser dynamiquement les param\u00e8tres. Nettoyez r\u00e9guli\u00e8rement les buses, les roues du classificateur et les autres composants afin d&#039;\u00e9viter tout colmatage ou usure susceptible d&#039;affecter la pr\u00e9cision du contr\u00f4le granulom\u00e9trique. Ces m\u00e9thodes, bas\u00e9es sur l&#039;optimisation des param\u00e8tres des broyeurs \u00e0 jet et le contr\u00f4le des proc\u00e9d\u00e9s, permettent de r\u00e9pondre pr\u00e9cis\u00e9ment aux exigences granulom\u00e9triques de divers mat\u00e9riaux, notamment celles des industries chimiques, des min\u00e9raux non m\u00e9talliques et des nouveaux mat\u00e9riaux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-ff5b65b14e5413ba15ac49c423c46e18\">D\u00e9couvrez la poudre \u00e9pique de pr\u00e9cision<\/h2>\n\n\n\n<p>\u00c0 <a href=\"https:\/\/www.epicmicron.com\/fr\/products\/\">Poudre \u00e9pique<\/a>, we specialize in advanced jet mills solutions that deliver unparalleled control over particle size distribution. Our air jet milling technology ensures consistent, high-quality results tailored to your specific needs \u2014 whether in pharmaceuticals, ceramics, or specialty chemicals. Trust Epic Powder to transform your materials into superior products with precision and reliability.<\/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=\"Comment fonctionne le broyeur \u00e0 jet\u00a0? \u2013 Explication du syst\u00e8me de broyage \u00e0 jet avanc\u00e9 d&#039;EPIC Powder Machinery\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/sKiQgi4tkrM?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<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14468-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14468\">\n<div class=\"screen-reader-response\"><p 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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\" 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Leur principe de base consiste \u00e0 acc\u00e9l\u00e9rer les particules gr\u00e2ce au flux d&#039;air, provoquant ainsi des collisions, des frottements et [\u2026]<\/p>","protected":false},"author":2,"featured_media":15791,"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":"","ast-disable-related-posts":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"class_list":["post-15784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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