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CWATER COOLING WATER CALCULATION PROGRAM

COMPUTER MODEL OF CYCLES OF CONCENTRATION

 Here is an example of the printout from data that is input to Cwater program:                                       

USING SQUANTO INDUSTRIAL WATER, NAPERVILLE, IL

======================================================================

                INPUT   2.00   2.50   3.00   3.25   3.50   3.75   4.00   4.50   5.00   5.50   6.00

Hardness       140    280   350     420    455    490    525    560    630    700    770    840

Calcium            90    180   225     270     293   315    338    360    405     450   495    540

Magnesium      50    100   125     150     163   175    188    200    225     250   275    300

P Alkalinity          0        0       8        24       26     28       30     32       36       40     44      48

M Alkalinity     110    220  275      330     358   385     413   440    495     550   605    660

Chloride            12      24    30         36      39      42        45     48      54       60     66      72

Silica                   2        4      5            6         7       7           8       8        9        10     11      12

pH                     7.8    8.2    8.4         8.6     8.6   8.7        8.7    8.8     8.9       9.0    9.0     9.1

Iron                    0.2    0.4    0.5         0.6     0.7   0.7        0.8    0.8     0.9       1.0    1.1    1.2

Sulfate                 5     10     13          15     16     18         19     20      23         25     28     30

Conductivity    280  560  700         840   910  980     1050 1120 1260     1400 1540 1680

pH_SAT           7.4   6.9   6.7           6.5    6.5   6.4        6.4     6.4     6.3        6.2    6.1     6.0

Langelier SI      0.3  1.4   1.7           2.0    2.1   2.2        2.3    2.4      2.6        2.8    2.9      3.1

Ryznar SI          7.1   5.5   5.0           4.5   4.3   4.2         4.1    3.9     3.6        3.4     3.2     3.0

Puckorius SI     7.3   5.8  5.3            4.9   4.7  4.6         4.4    4.3     4.0        3.8     3.6      3.4

Mg Silicate 15.8 Ca Sulfate L 52.7

******** CYCLE USED 3.5 ********

THE TONNAGE IS 900 TONS

THE CIRCULATION RATE IS 4050.0 GA/MIN

THE EVAPORATION RATE IS 18370.8 GA/DAY

THE BLOWDOWN RATE IS 7348.3 GA/DAY

THE MAKEUP IS 25719.1 GA/DAY

THE VOLUME IS 20250.0 GALLONS

THIS QUOTE IS BASED ON TREATMENT OF 25719 GALLONS PER DAY

PRODUCT USED/DAY COST/YR W/ 150 DAYS/YR

COOLZ 3-4 GPD APPROXIMATELY $,000 DEPENDING ON

WEATHER CONDITIONS AND LOADS

PRICE PER DRUM IN 30 GALLON DRUMS.................................$ PER GALLON

ALGAECIDE & BIOCIDE ALTERNATE ONCE PER WEEK COST/YR W/ 150 DAY

ALGAECIDE 0.54 GALLONS PER WEEK 

PRICE PER DRUM IN 15 GALLON DRUMS............................... $ PER GALLON

BIOCIDE 0.9 GALLONS PER WEEK 

PRICE PER DRUM IN 15 GALLON DRUMS.................................$ PER GALLON

INPUT DATA

TONNAGE: 900, TEMP DIFF: 12, SENSIBLE HEAT: 0.9, HOURS PER DAY: 10

DAYS PER YEAR: 150, EQUIPMENT/PROCESS DOWNGRADE FACTOR: 0.70

MAX TEMP: 110, TYPE ABSORPTION

CYCLES DECISION BASED ON THE FOLLOWING.CONDITION CYCLES

Mg Silicate < 6.0 6.00

Ca Sulfate < 6.0 6.00

CONDUCTIVITY < 4000 6.00

Langelier SI <= 2.5 4.00

Ryznar SI <= 4.3 3.50

Puckorius SI <= 5.0 3.00

THE LOWEST NUMBER OF CYCLES IS USED

THE COMPUTER SELECTED 3 CYCLES

THE OPERATOR SELECTED 3.5 CYCLES

 

 

Software Copyright © 1991 Cassedy Company, Inc.

 

 
 

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