high efficient spiral classifier in malaysia

spiral classifier - sanme machinery

spiral classifier - sanme machinery

This machine is the main equipment in mineral dressing plants, for grading ore pulp size; it is also used for desliming, dewatering and other works in sand washing. Its divided to single spiral and double spirals; according the difference of spirals depth in overflow surface, its divided to high weir type and sinking type.

Note: The production is based on open-circuit condition when bulk density of feeding is 1.6t/ m3. It is also relative to physics character,type of feeding, input size and composition etc. SANME MACHINERY CO., LTD reserves all rights to change data without notice.

cfs/hd-s high-efficiency fine classifier - netzsch grinding & dispersing

cfs/hd-s high-efficiency fine classifier - netzsch grinding & dispersing

For glass products, ground with dry ball mills or other mechanical Fine Mills the CFS/HD-S High Dispersion Air Classifiers can be used to remove coarse grit and provide a steeper Particle size distribution (PSD) more similar to a jet mill. Also, in some circumstances, fines removal may be desired, also to provide a steeper PSD.

Typical toner products have a D50 in the range of 5 m 7 m. NETZSCH Trockenmahltechnik GmbH entered the field of toner processing with the development of the CGS Jet Mill in the 1990s followed by the CFS/HD-S High Dispersion Air Classifier a few years later.

NETZSCH Trockenmahltechnik GmbH, one of the global leading companies in the area of dry product processing, is part of the Business Unit Grinding & Dispersing of the NETZSCH Group. Customers profit from our comprehensive experience potential and our diverse machine program, ranging from laboratory- and production machines to complete production lines. Fine impact mills, classifying- and jet mills as well as fine-cutting mills and high-efficiency fine classifiers made by NETZSCH are mainly used in the application areas chemistry, inorganic materials/minerals, ceramics and life science for pharma- and food applications.

The CFS-HD classifier uses a combination of the free vortex and the forced vortex models to achieve cut points down to less than 2 m. The classifier rotor has a new design for theoretically constant radial velocity in the vane-free internal area; it is surrounded by a cage of static vanes, creating a steep spiral flow in order to give good dispersion and deagglomeration to the material to be classified.

Based on the physical model of classification in vaned rotors, the fundamental difference between the exclusive use of a forced vortex flow (i.e. classification at the outer edge of the vanes) and the combined use of forced vortex/free vortex flow (i.e. classification in the interior vane free area) is derived. The classifier used for the comparison is a CFS-HDS model. Results received from this classifier equipped with a ConVor-wheel with constant radial velocity of the flow in the interior vane free area are compared with results from a classifier wheel designed for classification at the outer edge of the vanes.

In the ceramic industry the mechanical treatment of raw materials, processed or finished powders is an important part of many production processes. At the same time the grinding- and classifying processes are also of primordial importance, in order to ensure a range of particle sizes which is usually exactly defined for the particular process. The grinding principle of jet milling has proved itself to be particularly effective for the grinding of ceramic and abrasive materials. They can be ground to high finenesses, with an exact upper particle size limit, in one working step.

This newest fine classifier was conceived to combine with an upstream mill. The direct integration of the InlineStar classifier behind a mill creates a continuous grinding/classifying plant that reduces the number of required plant components.

The combination of an air jet mill and a dynamic air classifier represent fine dry grinding in perfection. The highest of final finenesses with an exact maximum particle size limitation become reproducible. The development of the new e-Jet and s-Jet grinding methods constantly yields new, interesting areas of application, both economically and technically. Applicable for finenesses from 1 to 70 m (d97).

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spiral classifier for sand washing | lzzg

spiral classifier for sand washing | lzzg

Spiral classifier is widely used in the grading of the grinding circuit of the concentrator and the operations of washing, de-sludge, and dewatering. Its main advantages are simple equipment construction, reliable operation, and convenient operation. It can be self-flowing with energy-saving ball mill in the closed-circuit grinding circuit. It is suitable for wet magnetic separation of magnetite, pyrrhotite, roasting ore, ilmenite and other materials with particle size below 3mm. It has the advantages of small equipment footprint and compact design. It is also used in coal and non-metallic minerals. Iron removal operations for materials such as building materials. Its also named screw classifier.

Compared with the hydro cyclone, the power consumption is lower. The main disadvantages are low classification efficiency, heavy equipment, and large floor space. Due to the limitation of equipment specifications and production capacity, it is generally not possible to form a closed circuit with a ball mill with a specification of 3.6m or more.

Application range Mainly used in the classification of various non-ferrous metal ore dressings such as quartz sand, gold, iron, aluminum, etc. It can also be used for the classification of materials such as pulp and ore.

The classifier was divided into two types: sorghum type and submerged type. The high-grade classifier is suitable for coarse materal classification. The maximum particle size of the overflow is generally 0.4~0.15mm. The sinking classifier is suitable for fine-materal classification. The maximum particle size of the overflow is generally below 0.15mm.It is mainly composed of a grading tank, a spiral, a swaying device, a lifting device, and upper and lower support.

Applycation of sand classifer Beneficiation The spiral classifier is one of the equipment for beneficiation. The spiral classifier is a machine for mechanical classification based on the principle that the

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