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VAPOR COMPRESSION DISTILLATION SYSTEMS.

 

SMALL TO MEDIUM VOLUME APPLICATIONS - < 2000 PPM TDS

800 to 6000 gallons per 24 hours for as low as 0.5 cents per US Gallon production cost!

1500 GALLON PER DAY VAPOR COMPRESSION(VC) STEAM DISTILLATION SYSTEM SHOWN AT RIGHT.

(Sorry guys, the lab technician is not included with the system)

 

Step 1: In a vapor compression(VC) system, the distillation process begins in the boiling chamber, just as it does in virtually any other distiller. What separates this method from other distillation methods is what comes after the boiling chamber.

Step 2: In a Vapor Compression VC6000, VC3000, VC1500 and VC800 system the boiling process begins with both heating elements turned on. As the water in the boiling chamber reaches near boiling temperatures, the compressor turns on, which engages the unique non-contacted liquid ring seal.

When the boiling begins, the #2 heating element turns off and the #1 heating element cycles on and off maintaining the boiling at just the right temperature for maximum efficiency. The steam from the boiling water flows through a baffling system and then into the compressor.

Step 3: In the compressor, the steam is pressurized, which raises the steam's temperature before it is routed through a special heat exchanger located inside the boiling chamber. The steam (under pressure) is at a higher temperature than the feed water inside the boiling chamber.

Step 4: The pressurized steam gives off its heat to the tap water inside the boiling chamber, causing this water to boil, which creates more steam. In technical terms, the steam "gives up its latent heat of vaporization" to the water inside the boiling chamber.

Step 5: While the pressurized steam is giving up its latent heat, the steam will condense. One of the heating elements will cycle on and off periodically as needed to provide any "make-up" heat that is required to keep the system operating at optimum temperature for maximum efficiency.

Step 6: At this stage, the condensed steam is considered distilled water but is still very hot--only slightly cooler than boiling temperature. To get maximum efficiency from the VC systems, the hot distilled water preheats the incoming feed water that will be distilled.

AMAZING EFFICIENCY!

Step 7: As the incoming water is preheated, the outgoing distilled water is cooled. The VC3000, VC1500 and V800 systems are designed to cool the distilled water to within 20 degrees F of the incoming water temperature. The remarkable VC6000 cools the distilled water to within 4 degrees F. of the incoming water.

This remarkable design of the VC6000 allows production of high quality distilled water at less than 0.085 Kwh/US gallon. Conversely, this allows the feed water to be preheated to within a few degrees of the boiling temperature, saving further energy. In fact, the VC6000, VC3000, VC1500 and VC800 recycle nearly 98% of energy required.

Step 8: The VC systems offer heat exchangers that can be cleaned in the event manual cleaning is ever required. Since feed water is boiled on the inside of the heat exchanger surfaces, access to the portions of the heat exchanger that may require cleaning is much easier.


COST EFFECTIVENESS OF

VAPOR COMPRESSION WATER DISTILLATION SYSTEMS

Vapor compression processes produce water 5 to 10 times more cost effectively than multiple effect distillers(see below) and 25-40 times more cost effectively than conventional, single-stage distillers.

In real dollars and cents, at 10 cents per kilowatt hour, this translates into less than 1/2¢ per gallon for vapor compression versus 7-8 cents per gallon for a multiple-effect distiller and 30-35 cents per gallon for a conventional, single-stage, home-use steam distillation system.

When one considers these cost savings in a bottling operation, the clear advantages of vapor compression systems(volume of water and production cost per gallon) become very clear as shown on the diagram above.

The payback period for a typical 1500 gallon per day vapor compression distiller, operating at full output(say 5000, 1-liter bottles per day), selling at 60 cents per liter(wholesale) is less than 17 operating days. This is truly a remarkable payback.

For a water store selling 1500 gallons of distilled water daily(and there are a number of them doing just that) at 50 cents per gallon, the payback period is less than three months!


SOME THINGS YOU WILL REALLY LIKE ABOUT THE VC-800, VC-1500, VC-3000 and VC-6000 DISTILLATION SYSTEMS.

1. Electronic control panel is easily accessed for servicing. One solid-state circuit board controls operation of the complete system. Incredibly easy, "one look" operations check for pressure, system water purity, heating system operation and operating set points.

2. Submerged tube-in-shell heat exchanger provides efficient and uniform heat transfer. The end plates are removable for one-step access to the heat transfer bundles if necessary. The end plates include pyrex sight glasses for easy monitoring of heat exchanger cleanliness. Superior to any other distillation system we have used over the last 20 years.

3. Removable exterior panels allow full access to internal components for quick, easy servicing.

4. Continuous flow evaporator produces very high quality distilled water at maximum efficiency. Cooling water exits at room temperature, thus ensuring maximum heat transfer to distillation process.

5. Feed water/distillate heat exchanger preheats the feed water, cools the distilled water for maximum operational efficiency. Tube-in-shell design provides excellent heat transfer while being very easy to service.

6. Titanium compressor rotor provides the strength required for a long, durable, trouble-free life, while being extremely light. Other commercial distillers we have used constantly experienced problems with seals and the integrity of titanium blades on compressor.

These units have demonstrated (to us) far superior mechanical integrity and ease of replacement.

7. Compressor bearings are the self-aligning pillow type, for long life and easy maintenance and replacement. These are components which need to be replaced periodically. However, the use of 1-1/4" diameter shafts and bearings permits extraordinary stability for the compressor(see 6. above) as well as longer life for individual bearings.

Clearly superior to any other equipment we have seen or used in the last 20 years which uses vapor compression technology and external drive shaft mechanisms as shown to the right.

VC-6000 Pictures & Special Features

 

Quick checks of operational status are made easy by user-friendly front control panel.

Unique flow meters provide quick feedback on distiller output status

Tube-in-tube heat exchangers provide highly efficient heat transfer to incoming feedwater for low power consumption per gallon: as low as 0.085 Kw/H

 

Most competing water purification systems can use up to eight gallons of reject water for every gallon of water they distill. The VC6000 distiller produces nearly six gallons of distilled water for every one gallon of reject water.

See if you can find a commercial reverse osmosis system that is this water efficient!


 

Vapor Distillation System Specifications

 Model Height Width Depth Dry Weight Shipping Weight Kw/Hr Electrical* Electrical Service Required* Reject Water per day* Power Phases
 VC800
 62"
 32"
 38"
 1350 lb
 1550 lb
 0.18/USgallon
 60 amps
 288 US gal
 1 or 3
 VC1500
 78"
 34.5"
 50"
 1700 lb
 2300 lb
 0.12/USgallon
 80 amps
 250 US gal
 1 or 3
 VC3000
 78"
 34.5"
 80"
 3400 lb
 3600 lb
 0.12/USgallon
 100 amps
 500 US gal
 1 or 3
VC6000
90"
74"
92"

7000 lb

8000 lb
0.085/USGallon

125 amps @ 220 Volts, 60 Hz;

80 amps @ 380-415 volts, 50 Hz.

1000 US gal

3 phase

* Performance specifications +/-10%; power consumption depends on environment and adjustments.

*Note the significantly lower water waste per gallon compared to commercial reverse osmosis systems.


For more information and pricing, CALL: 1-800-478-7342;

International calls @ 1-805-773-4502 or FAX @ 1-805-773-4409;

or email

purewater@earthlink.net

t665

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



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