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Single Module Heat Pump Scraper Low Temperature Vacuum Crystallizer

S-HP1 is single module structure. Is uses the electricity to evaporate and dry the wastewater at 35 ℃ low temperature. The scraper for stiring tank wall and liquid mixing is to prevent crystal condensation in the tank wall, eventually make wastewater into dry powder solid, and automatically discharge dry powder solid.
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Main Features


● VESALT scraper heat pump low temperature vacuum crystallizer is a kind of horizontal direction crystallization system evaporator. Through a specially designed pump,  evaporation chamber of vacuum pressure achieves around 33 mbar, the water boil at 35 ℃;

● The scraper in the boiling chamber continues to stir the tank wall and waste liquid to prevent the crystallization from condensing on the tank wall. While stirring, it will effectively increase the efficiency of evaporation and drying, and finally make the concentrated liquid into dry powder solid with a moisture content ≤20%.

● This is actually to minimize the disposal of hazardous waste liquids. This equipHPnt will not extract water with  pumps, but through the automatic discharge outlet on one side of the chamber placed in boiling dry powder solid.

● Crystal clear, higher quality of distilled water, can reduce COD as high as 99%.



Application Area


● Electroplating wastewater, RO rejection;

● Electrochemical machining and surface treatHPnt of the bath and washing water;

● Food, chemical, pharmaceutical, cosHPtics, perfuHP and other industry wastewater;

● Dyeing and printing industry, printing and dyeing wastewater, washing wastewater, printing ink wastewater;

● Sewage treat plant mother liquor (reverse osmosis, demineralization, etc.), landfill leachate;

● Grinding waste water, washing waste liquid and high salt waste water of other industries;

● HPtal wire products, wire drawing lubricant liquid waste, wire drawing emulsified liquid waste;

● Foundry industry: release agent wastewater, surface cleaning wastewater;

● Other oily wastewater: oil emulsion, drilling oil, release agent;



Structure Construction:

● Monolithic frame made of austenitic stainless steel.

● The boiling chamber equipped with a saddle-shaped external heat exchanger with an inspection scope.

● Digital and control instruments for automatic system monitoring.

● Equipped with heat exchanger steam condenser and cooling circuits.

● Unique scraper system increases the efficiency of drying crystal separation.



Vacuum Circuit

Condensate discharge and vacuum circuit, consisting of centrifugal pump, vacuum ejector, condensate storage and cooling tank, equipped with heat exchanger, check valve, digital and analog control, monitoring instrument.



Condensation System

● The condensation system is equipped with a heat pump made of the main refrigerant unit, a process    compressor, an ecological refrigerant, a fan heat exchanger, a filter, a pressure switch, a pressure sensor, a cooler.

● Additional cooling units are equipped with auxiliary compressors, control equipment, and filters.

● Speed control system for cooled fan (optional).



Concentrated Discharge Circuit

● Concentrate added automatically, equipped with pneumatic and manual shutoff valve, is used to manually or automatically in the process of wastewater supply.

● Dry crystallization can be adjusted through the program control device or time programming to completely customize the process.

● Scraper structure, increase the efficiency of evaporation, automatically scrape the crystallization of tank wall, to prevent fouling.

● The final dried solid crystals are automatically discharged.



Control Unit

● Siemens PLC control system and control panel

● Spray electrical panel, protection level using high standards

● All of the motor overload automatic circuit breaker

● 24 volt auxiliary circuit

● Fire retardant cable wiring

● Storage tank and the water level automatic control regulator.


S-HP Model

Hourly Capacity
(l/h)

DiHPnsion
(mm)

Energy Consumption Per Ton
(KWH/T)

S-HP 250

10.42

1400 x 900 x 2100

250~280

S-HP 350

14.58

1400 x 1000 x 2100

250~280

S-HP 500

20.83

2200 x 1100 x 2000

250~280

S-HP 750

31.25

2500 x 1200 x 2000

250~280

S-HP 1000

41.67

3000 x 2000 x 2600

250~280

S-HP 1500

62.50

3000 x 2200 x 3000

250~280

S-HP 2000

83.33

3000 x 4000 x 3000

250~280

S-HP 3000

145.83

3000 x 6000 x 3000

250~280

* Other specifications and sizes can be customized for customers


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