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Forced circulation evaporation crystallizer

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I. Introduction

Forced Circulation Evaporation Crystallizer is a kind of continuous crystallizer with crystal slurry circulation. On production, raw solution feed from bottom of circulation pipeline,and then mixed with crystal slurry which left from bottom of crystallizer, the mixed fluid will be pumped into the heat exchanger,it will increase temperature in the heater (normal increase 2-6℃),but it will not evaporation. Once hot crystal slurry flow into crystallization chamber,after boiling, it will reached super saturation,so parts of solute sedimentate on the surface of suspended crystal, and then grow bigger,finally discharge out from the top of circulation tubes. FC Crystallizer have large production capacity, but product size dimension arranged widely.

II. Structure Component

Forced Circulation Crystallizer consist of Crystallization Chamber, circulation tubes, circulation pump and heat exchanger etc.

Crystallization Chamber designed with cone type bottom,crystal slurry discharge out from the cone bottom,pumped into the heat exchanger by Axial Flow pump through circulation tubes,after heating or cooling,re-back into the crystallization chamber,it will continue having such circulation running.that’s the reason it called crysta-slurry circulation type.crystal slurry discharge let is near the bottom of crystallization chamber,and feed let is lower then discharge level.

III. Usage

Forced Circulation Evaporation Crystallizer widely used in the industry of chemical, light industry,pharmacy etc, for product manufacturing and waste water treatment. FC type Crystallizer could work for evaporation crystallization, batch cooling crystallization or vacuum cooling crystallization. Product size dimension during the range of 0.8-4mm.  



The forced circulation evaporation crystallizer is mainly composed of a heat exchanger, a crystallization separation chamber, a condenser, a circulation tube, a circulation pump, a slurry pump, a vacuum pump, a control system, etc .; it can be divided into one according to the difference in material concentration and production capacity. Effect, two effect, three effect, four effect forced circulation evaporator.


Model

GLQX-01

GLQX-02

GLQX-03

GLQX-04

Evaporationt / h

Water Evaporation capacity

0.1-2

0.5-10

2-20

5-50

Feed concentration (%

Input concentration

Various concentrations of materials, depending on the customer's materials (According to material




steam pressure(Mpa

Steam pressure

0.4-0.8




Steam consumption (with heat pump)Steam consumption capacity

with heat pressure pump

0.65

0.38

0.28

0.18

Degree of vacuumMpa

Maximum Vacuum

-0.0300.090




Evaporation temperature(

Evaporation temperature

45-90




Cooling water consumption

(Into the water30 ℃, Water40 ℃

Cooling water cost / Evaporation capacity

2-40

7.5-150

25-250

50-500

Note: The above table is an evaporation type equipment. The listed specifications are for reference only. The specific equipment parameters need to be designed separately according to the customer's material situation and requirements.

NoteWe can design and manufacture according to customers special requirement.






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Ge Yi (Shanghai) Environmental Technology Co., Ltd.

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