Agitated Nutsche Filters - Agitated Nutsche Filters Exporter, Manufacturer, Service Provider, Supplier, Trading Company, Navi Mumbai, India

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Product Code : 23

Product Specification

Agitated Nutsche Filters offers an economic operation where maximum percentage of liquid in a slurry is separated through mechanical means. The remaining little moisture can be removed by evaporation to obtain dry products.

It consists of a cylindrical shell with a welded dished end at the top and either a flanged and bolted dished end or a welded dished end / flat welded end at the bottom depending on process / customer's requirements. The vessel is divided into two compartments by means of a perforated plate, provided with suitable filter cloth or porous tiles.

An agitator of unique design is provided inside the vessel which can perform multifarious activities by manipulating its movements of vertical and rotational directions simultaneously, by means of push buttons switches/PLC. The filter is capable of operating under either pressure or vacuum or a combination of both.

Operation
Slurry is fed into the top compartment from where filtrate passes into the lower chamber en route to receiver. Solids are deposited on the filtering media in the top compartment and take the shape of cake of a uniform thickness. The agitator pushes the solid content in the slurry upwards by keeping it under suspension till maximum possible filtrate passes through the filter bed. This reduces time and increases productivity.

It then seals the cracks in the cake, which develops after most of the filtrate has passed through, by smoothening the top surface of the cake.

It also squeezes out some of the moisture in the cake by slightly pressing the cake uniformly with the help of specially designed blades. After the initial solvent/mother liquor has been separated, sometimes it is necessary to wash the cake. The Agitator has been designed in such a way that after adding wash liquor on the cake, the entire cake can be re-slurried and agitated, so that all the particles forming the cake can be exposed to wash liquor and be thoroughly washed. This improves quality of the finished products.

After washing and removal of wash liquor, the cake can be discharged through a quick opening side discharge door, by rotating and lowering agitator in the discharge direction. No manual handling is required.

Advantage of Agitated Nutcshe Filters

The filter works as a completely closed system, eliminating any possibility of atmospheric pollution from toxic fumes / obnoxious smell generated from the slurry

Very high solvent recovery is possible
Explosion or fire hazard on account of spillage is eliminated.
Manpower saving. All operations can be handled by a single unskilled person with little training.
Very effective washing of cake due to re-slurring resulting in thorough particulate washing and reduces number of washes, and volume of wash liquor.
Possibility of doing reaction, filtration, washing and distillation in the same equipment. In some cases drying operation can also be carried out in the same equipment. Heat transfer surface can be provided by means of a jacket or limpet coils on the vessel walls. Indirect heating can be provided on the filter base and agitator.
Available in special construction for sterile applications with high standards of particulate purity.

Materials of Construction include

Carbon Steel
Stainless Steel
Nickel / Nickel Alloys
Super Stainless Steels
Hastelloy

Note
Sizing, selection of configuration, M.O.C', methodology of filtration etc. are based on material characteristics. These are used for proper selection and design based on specific application requirements. Suitable linings of FRP / FRV, Rubber, Acid-resistant bricks and tiles or corrosion resistant fluorocarbons can be offered

Configurations available

Pressure-cum-Vacuum filter.
Bottom detachable arrangement for ease of cleaning / cloth fixing.
Electro-mechanical drive and hydraulic shaft lift.
Hydrauclic lift and drive.
Hydraulic discharge valve.
GMP Models for clean room applications.
Filter-cum-Dryers for drying of wet cakes.
Different stirrer designs based on physical characteristics of materials.

Model No.		UANF	UANF	UANF	UANF	UANF	UANF	UANF	UANF
		PILOT	1000	2000	3000	4000	5000	6000	7000
Working Capacity (Ltrs.)		500	1000	2000	3000	4000	5000	6000	7000
Filtering area (sq. m.)		0.68	1.02	1.82	2.7	3.2	4.7	5.7	6.5
R.P.M.		20	20	20	15	12	12	12	10
Motor H.P.	Rotary	5	5	7.5	7.5	10	12.5	15	15
Motor H.P.	Vertical	1	1	1	1	1	1	1	1
Internal dia. (mm)		1000	1200	1600	2000	2200	2600	2800	3000
Over height (mm)		3400	3600	3800	4100	4300	4500	4800	5000
The above dimensions are only indicative. Final choice will depend upon the operating parameters required based on the material characteristics. Sizes above 7000 litres can also be offered.

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