Crystallizers
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CR Series Crystallizing Evaporator

Flow Diagram

For regeneration of copper, brass, silver, zinc, cadmium plating, burnishing, pickling of sulfuric and sulfuric-nitric acid, salts of thermal treatment, pickling of copper printed matter, photo printing.

Automatic extraction of crystals. Models made with stainless steel AISI 316, with anti-acid materials, electrical protection IP 55, refrigerating circuit with Freon 22, air condensation, automatic loading and unloading.

Operating Principle: the solution to be treated is automatically drawn from the working bath or from a reserve tank, and then cooled at a certain temperature; when crystals are separated and unloaded, the solution is sent again to the bath or the reserve tank. There are three different kind of crystallization : discontinuous, half-continuous, continuous.  Crystals are raised by means of a cochlea till the drainage system (standard) or to a centrifugal separator (optional).  The optimal working temperature is established in relation to the kind of salt to be crystallized and its curve of solubility, which is influenced by the composition of the bath.  The contents of residual salt is regulated on the basis of theoretic data and experimental verification.

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technical
characteristics

unit of
measure

CR 100

CR 200

CR 400

Installed power

KW

3,5

5,5

9,5

Flow

l/h

100

200

400

Refrigerating flow

W

6400

12800

25600

Frequency

Hz

50

50

50

Voltage

V

380

380

380

Material in contact

 

AISI 316**

AISI 316**

AISI 316**

Automatic loading and unloading

 

l

l

l

Programming process control

 

l

l

l

Dimensions

cm

750x1900x2500

850x2200x2500

1200x2400x2500

Weight

Kg

300

400

650

l  Standard                                        **   Available also in special materials   

 


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2011 Sawyer and Smith Corporation
Last modified: Tuesday July 08, 2014