{"id":2473,"date":"2025-03-21T07:34:37","date_gmt":"2025-03-21T07:34:37","guid":{"rendered":"https:\/\/hengxingmachinery.com\/?page_id=2473"},"modified":"2025-03-21T07:34:38","modified_gmt":"2025-03-21T07:34:38","slug":"high-frequency-screen","status":"publish","type":"page","link":"https:\/\/hengxingmachinery.com\/fr\/high-frequency-screen\/","title":{"rendered":"4-1. Crible haute fr\u00e9quence"},"content":{"rendered":"
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\u00c9cran haute fr\u00e9quence<\/h1>\n\n<\/div>\n<\/div>\n\n
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Domaine d'application : <\/mark><\/strong><\/p>\n\n\n\n

Les cribles \u00e0 haute fr\u00e9quence sont largement utilis\u00e9s pour le criblage \u00e0 sec et humide, le classement et la d\u00e9shydratation de divers mat\u00e9riaux dans des industries telles que le traitement des min\u00e9raux, la pr\u00e9paration du charbon, l'industrie chimique, la fabrication de briques, l'alimentation, les produits pharmaceutiques, la production d'alcalis, les engrais, la papeterie et autres industries.<\/p>\n\n\n\n

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Surface du crible \u00e0 haute fr\u00e9quence :<\/mark><\/strong> 4,5-8,1 m\u00b2<\/p>\n\n\n\n

Capacit\u00e9 de production :<\/mark><\/strong> 15-48 t\/h<\/p>\n\n\n

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Pr\u00e9sentation du crible \u00e0 haute fr\u00e9quence<\/h2>\n\n\n\n
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Le crible haute fr\u00e9quence est \u00e9galement appel\u00e9 crible de classement. La machine de criblage est compos\u00e9e d'un excitateur de vibrations, d'un distributeur de pulpe, d'un ch\u00e2ssis de tamis, d'un cadre, d'un ressort de suspension et d'une toile de tamis. La machine de criblage est efficace, avec une faible amplitude et une haute fr\u00e9quence de criblage. <\/p>\n\n\n\n

Contrairement au principe des \u00e9quipements de criblage ordinaires, gr\u00e2ce \u00e0 l'utilisation d'une haute fr\u00e9quence, le crible haute fr\u00e9quence d\u00e9truit d'une part la tension superficielle de la pulpe et provoque l'oscillation \u00e0 haute vitesse des mat\u00e9riaux \u00e0 grains fins sur la surface du tamis, acc\u00e9l\u00e9rant ainsi la s\u00e9gr\u00e9gation et la s\u00e9paration des min\u00e9raux utiles \u00e0 haute densit\u00e9 (poids sp\u00e9cifique). <\/p>\n\n\n\n

Cet effet augmente la probabilit\u00e9 que les mat\u00e9riaux de taille inf\u00e9rieure \u00e0 la granulom\u00e9trie de s\u00e9paration entrent en contact avec les mailles du tamis. Cela cr\u00e9e de meilleures conditions de s\u00e9paration, permettant aux mat\u00e9riaux plus fins que la granulom\u00e9trie de s\u00e9paration, en particulier les particules lourdes et la pulpe de minerai, de passer \u00e0 travers le tamis et de devenir le produit sous-tamis.<\/p>\n\n\n

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Caract\u00e9ristiques du crible \u00e0 haute fr\u00e9quence<\/h2>\n\n\n\n
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<\/p>\n\n\n\n

1. L'utilisation de toiles de criblage superpos\u00e9es augmente l'ouverture d'une seule couche, ce qui non seulement prolonge la dur\u00e9e de vie des toiles, mais a \u00e9galement un effet anti-colmatage et anti-abrasion.<\/p>\n\n\n\n

2. Le support \u00e0 ressort en caoutchouc du ch\u00e2ssis du crible \u00e0 haute fr\u00e9quence a un effet d'isolation des vibrations, d'absorption acoustique et de r\u00e9duction du bruit, et les vibrations de l'\u00e9quipement sont faibles.<\/p>\n\n\n\n

3. La haute fr\u00e9quence et la faible amplitude favorisent la s\u00e9paration et la stratification des mat\u00e9riaux fins et lourds pour acc\u00e9l\u00e9rer le criblage des mat\u00e9riaux.<\/p>\n\n\n\n

4. Grande capacit\u00e9 de traitement des mat\u00e9riaux et faible consommation d'\u00e9nergie.<\/p>\n\n\n

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Principe de fonctionnement du crible \u00e0 haute fr\u00e9quence<\/h2>\n\n\n\n

La machine de criblage d\u00e9truit la tension superficielle de la pulpe et provoque l'oscillation \u00e0 haute vitesse des mat\u00e9riaux \u00e0 grains fins sur la surface du tamis, acc\u00e9l\u00e9rant la s\u00e9paration des min\u00e9raux utiles de plus grande densit\u00e9. Elle augmente \u00e9galement la probabilit\u00e9 que les mat\u00e9riaux inf\u00e9rieurs \u00e0 la taille de particule de s\u00e9paration entrent en contact avec les ouvertures du tamis, permettant ainsi aux particules plus petites que la taille de s\u00e9paration d'\u00eatre en contact avec le tamis. <\/p>\n\n\n\n

Le mat\u00e9riau, les particules de densit\u00e9 \u00e9lev\u00e9e et la pulpe min\u00e9rale traversent les mailles pour devenir le produit sous-tamis, r\u00e9alisant ainsi le tamisage.<\/p>\n\n\n

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Sp\u00e9cifications du crible \u00e0 haute fr\u00e9quence<\/h2>\n\n\n\n
Mod\u00e8le<\/strong><\/td>Surface de criblage (\u33a1)<\/strong><\/td>Concentration (%)<\/strong><\/td>Capacit\u00e9 (t\/h)<\/strong><\/td>Puissance (kW)<\/strong><\/td><\/tr>
GPS-4<\/td>4.5<\/td>30-40<\/td>15-25<\/td>0.72<\/td><\/tr>
GPS-5<\/td>5.2<\/td>30-40<\/td>20-30<\/td>1.1<\/td><\/tr>
GPS-6<\/td>6<\/td>30-40<\/td>24-36<\/td>1.5<\/td><\/tr>
GPS-8<\/td>8.1<\/td>30-40<\/td>32-48<\/td>2.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
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High frequency screen Introduction of high frequency screen The high-frequency screen is also called the grading screen. The screening machine is composed of a vibration exciter, slurry distributor, screen frame, frame, suspension spring and screen mesh. The screening machine has high efficiency, small amplitude and high screening frequency. Different from the principle of ordinary screening … <\/p>\n

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