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  Agitated Nutsche Filter Dryer
 
   






Brief Description :

This is a multi-utility equipment which is a combination of filter and dryer unit in single equipment to achieve economy in process, space, energy, Labour and cost, thereby improving profitability.This equipment also reduces the validation documentation, which is very critical and cumbersome in Pharma industry, since it helps reducing the number of equipments downstream.

 

Application Industry :

This equipment is used in filtration and drying process of manufacturing of various Pharmaceuticals, Bulk Drug, Intermediate Compounds, Fine Chemicals, Chemicals, Agro Chemicals, Pesticides, Insecticides, Dyes and Food Products.

 

Construction :

The Agitated Nutsche filter is a Nutsche type filter designed to separate solids from liquids. It is totally enclosed and is normally operated under pressure or under vacuum. Additionally, the equipment is fitted with a stirrer mechanism which efficiently agitates the slurry during cake washing, smoothens and squeezes the cake during filtration and assists in the automatic discharge of the cake.
The ANF comprises of a pressure vessel with a bottom filter bed, in which a main shaft rotates and also moves in the vertical direction.
Specially designed ‘S’ shaped stirrer blades are mounted on the shaft, capable of performing various function such as cake smoothening, vigorous agitation and cake discharge. A side discharge arrangement is provided, closing and opening through hydraulic / mechanical means. A filter plate is located at the base of the vessel in level with the discharge port. The filter medium, usually a filter cloth, is fitted on the filter plate which is replaceable type.

In addition a special Multilayered Sintered Filter plate can also be provided instead of filter cloth. Also a Dual arrangement
i.e. interchangeability between Filter cloth and Multilayered Sintered Filter plate can be provided in the same machine.

 

ANFD:

In the ANF, an additional drying feature is also provided. In dryer construction heating is provided on shell by limpet, in bottom by jacket and through hollow agitator and blades. Vacuum is applied for fast and low temperature drying.


SALIENT FEATURES:

   
Designed and Manufactured to suit critical hygienic conditions of pharma and food industries. (cGMP MODEL) and also for STERILE Applications.
Offered in various materials of constructions, like stainless steel, Hastelloy C-276, Hastelloy C-22, Titanium, carbon steel, rubber lined and lead lined.
Offered in a wide range of filtration area capacities from 2 Lits upto 15000 Lits. (4.5 mt. dia)
Method of operation is totally enclosed, neat and hygienic. These conditions are excellent for solvent recovery, handling of sterile compounds or toxic and hazardous materials without human intervention.
Enables easy non-manual and automatic cake / solid discharge. Scraper blade is provided to scrap the material which may stay on shell.
The unit is designed with minimum maintenance features.
Hollow Shaft and Hollow Blades for thorough drying.
Specially designed tank cleaning nozzle is provided for thorough cleaning of inside of filter body. (CIP)

 

Special Quick Detachment Arrangements of ANFD

 

(1) Bayonet type Quick detachable bottom bed :

 

Construction:

In this arrangement the bottom bed of ANF / ANFD is designed with special interlocking teeth arrangements and locked with the help of a Hydraulic operated teethed Bayonet flange. The entire sets of teeth are CNC machined for exact meshing and perfect locking. The teeth have a taper to facilitate gradual tightening of the body flanges.

 

Benefits:

 

i)

This arrangement facilitates quick and hassle free, labour free detachment or locking of bottom bed of ANF / ANFD within a duration of 5 mins.
ii) This is a foolproof locking arrangement and completely eliminates the locking / tightening errors of manual labourers.
iii) This also facilitates entire automation of an ANF / ANFD.
iv) The machine can withstand a high testing pressure of upto 6 bars due to the rugged and sturdy design and construction of the teethed Bayonet bottom.

 

Sizes available in this design are from 500 mm to 3200 mm diameter (i.e. 0.2 Sqm to 8 Sqm capacity)

 

(2) Super ‘C’ type Quick detachable bottom bed :

 

Construction:

In this arrangement both the flanges of ANF / ANFD are locked with the help of a Hydraulic operated Super ‘C’ flange. The construction is similar to a TC type locking, but without a hinge. Instead the material flexibility of the SS Super ‘C’ clamp is utilized.

 

Benefits:

 

i)

This arrangement facilitates quick and hassle free, labour free detachment or locking of bottom bed of ANF / ANFD within a duration of 5 mins.
ii) This is a foolproof locking arrangement and completely eliminates the locking / tightening errors of manual labourers.
iii) This also facilitates entire automation of an ANF / ANFD.
iv) The machine cannot withstand high testing pressure. It can be tested only upto 2 bars.

 

Sizes available in this design are from 500 mm to 2800 mm diameter (i.e. 0.2 Sqm to 6 Sqm capacity)

 

Special Heel removal arrangement :

This equipment is used in filtration and drying process of manufacturing of various Pharmaceuticals, Bulk Drug, Intermediate Compounds, Fine Chemicals, Chemicals, Agro Chemicals, Pesticides, Insecticides, Dyes and Food Products.

 

A special design for discharge valve can be provided for removal of heel region product. This design has TC type discharge valve attachment, which is very near to the machine wall, which allows easy and deeper reach inside the machine for scraping the product remaining in the heel region.

Online sampling arrangement:

Special valve for taking samples of the dry, semi dry product can be provided. Samples can be derived without stopping the machine or without releasing the vacuum or pressure inside the machine, hence making it ‘Online Sampling’.

     
     
   
 
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Bagged world's biggest
  order for largest number of
  Agitated Nutsche
  Filter Dryers   
  (ANFD'S) in single year
  from a single company.