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Configurations
STRUCTURE & CASING
The standard enclosure is made of the latest type of Highly Corrosion-resistant coated steel sheet with a coating composition of Zn+Al(11%)+Mg(3%), and a trace amount of silicon, originally imported from Nippon Steel or Posco. The panels are sheared and folded precisely in whole cold machining process, then densely bolted and sealed for water tightness, with sufficient reinforcing bars, preventing deforming during hoisting process in fields. Each tower is completed with maintenance access and doors of maximized size, for internal inspection convenience.
NON-DIRECT DRIVE AXIAL FANS
A part of open loop series adopt non-direct drive axial fans, fitted with al-alloy airfoil blades perfectly balanced and coupled with gear box or belts with spead reducer, to a weather proof TEFC three-phases electric motor. The fan casing is a galvanized steel cylinder to draw the air vertically and avoid the risk of recirculation. The tip speed of the impeller is limited to keep the noise level within acceptable limits.
WET DECK FILL
The fills are formed in flame-retardant PVC sheets with a special shape design of herringbone surface, to distribute water evenly over the entire fill area for maximal thermal performance, can be integrated with air inlet louvers and drift eliminators. For medium fouled water, fill types with enlarged grids are available to reduce the chances of blocks. All the raw materials are of virgin grade from approved suppliers, with long service life in tough environment.
DRIFT ELIMINATOR
Cellular Drift Eliminators are specifically designed to achieve maximum drift removal. With significantly lower pressure drop. The modules are constructed of a series of sinusoidal-shaped, corrugated PVC sheets that are mechanically assembled to mating sinusoidal structural waves, forming closed cells. These cells force the drift droplets being carried in the leaving airstream to make three distinct changes in direction. When the air is forced to change direction, the inertia of the water droplets keeps them moving in a straight line, causing them to impact the wall of the drift eliminator and drain back into the wet section of the tower.
AIR INLET LOUVERS
Cellular air Inlet louvers with advanced design improve air flow into the cooling tower, keep out debris, eliminate water splash-out, which otherwise can cause icing, near-site water damage,and unnecessary water loss. The deign restrict the amount of sunlight into the cooling tower to impede algae growth, reduce noise from the tower, and improve the tower's appearance.
SPRAY NOZZLES FOR OPEN TOWERS
The Spiral Target Nozzles used for GOM Series open towers, injection molded in polypropylene unit consisting of two parts, main body with integral target diffuser and a snap-on insert or orifice cap. The nozzles installed in bottom of the hot water distribution basins, to eliminate water diffusion decks below the hot water basins, provide full water coverage of the fills by gravity flow, removable and replaceable but of long service life. Sizes and variety depends on the tower size, water flow rate and water quality.
FLOAT VALVE
Heavy duty floating valve, made in stainless steel, floating ball in engineering plastic or stainless steel, with long service life. Water level ad justable.
ANTI-EDDY FILTER
Effectively filting the sundries, with anti-eddy arrangement, preventing air bubbles sucked into the pumps, punched in the same material as the enclosure, highly corrossion resistant.
FASTENERS
Fastners of leading brands, standard materials in steel dacromet treated, stainless steel on options. Intensity of fastners is higher than average.
Data Sheet
Model No. | Nominal Tons | Fan Power (kW) | Connecting Pipe(mm) | Overall Dimensions(mm) | Weight | ||||||||
Inlet | Outlet | Make UP | Overflow | Drain | L | W | H | Net (kg) | Operation (kg) | ||||
GPM0109 | S-1 | 136 | 3.7 | DN150×2 | DN150 | DN25 | DN50 | DN50 | 1980 | 3910 | 3200 | 1800 | 3500 |
Q-1 | 156 | 5.5 | DN150×2 | DN150 | DN25 | DN50 | DN50 | 1980 | 3910 | 3200 | 1800 | 3500 | |
P-1 | 171 | 7.5 | DN150×2 | DN150 | DN25 | DN50 | DN50 | 1980 | 3910 | 3200 | 1800 | 3500 | |
GPM0115 | Q-1 | 208 | 5.5 | DN150×2 | DN150 | DN25 | DN50 | DN50 | 2550 | 4300 | 3220 | 2150 | 4600 |
P-1 | 231 | 7.5 | DN150×2 | DN150 | DN25 | DN50 | DN50 | 2550 | 4300 | 3220 | 2150 | 4600 | |
GPM0215 | Q-1 | 264 | 5.5 | DN200×2 | DN200 | DN25 | DN50 | DN50 | 2550 | 5530 | 3730 | 3350 | 7100 |
P-1 | 291 | 7.5 | DN200×2 | DN200 | DN25 | DN50 | DN50 | 2550 | 5530 | 3730 | 3350 | 7100 | |
O-1 | 322 | 11 | DN200×2 | DN200 | DN25 | DN50 | DN50 | 2550 | 5530 | 3730 | 3350 | 7100 | |
N-1 | 363 | 15 | DN200×2 | DN200 | DN25 | DN50 | DN50 | 2550 | 5530 | 3730 | 3350 | 7100 | |
M-1 | 383 | 18.5 | DN200×2 | DN200 | DN25 | DN50 | DN50 | 2550 | 5530 | 3730 | 3350 | 7100 | |
GPM0120 | Q-1 | 312 | 5.5 | DN200×2 | DN200 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 |
P-1 | 347 | 7.5 | DN200×2 | DN200 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 | |
O-1 | 395 | 11 | DN200×2 | DN200 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 | |
N-1 | 433 | 15 | DN200×2 | DN200 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 | |
M-1 | 460 | 18.5 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 | |
L-1 | 481 | 22 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3010 | 6070 | 3750 | 3850 | 8500 | |
GPM0126 | P-1 | 393 | 7.5 | DN200×2 | DN200 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 |
O-1 | 449 | 11 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 | |
N-1 | 490 | 15 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 | |
M-1 | 529 | 18.5 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 | |
L-1 | 560 | 22 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 | |
K-1 | 610 | 30 | DN200×2 | DN250 | DN40 | DN65 | DN50 | 3620 | 6400 | 3750 | 4850 | 11200 | |
GPM0132 | O-1 | 513 | 11 | DN250×2 | DN250 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 |
N-1 | 563 | 15 | DN250×2 | DN250 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 | |
M-1 | 605 | 18.5 | DN250×2 | DN250 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 | |
L-1 | 637 | 22 | DN250×2 | DN250 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 | |
K-1 | 700 | 30 | DN250×2 | DN300 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 | |
J-1 | 753 | 37 | DN250×2 | DN300 | DN40 | DN65 | DN50 | 4230 | 6830 | 3750 | 5750 | 13600 | |
GPM0226 | O-1 | 555 | 11 | DN250×2 | DN250 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 |
N-1 | 608 | 15 | DN250×2 | DN250 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 | |
M-1 | 654 | 18.5 | DN250×2 | DN250 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 | |
L-1 | 694 | 22 | DN250×2 | DN250 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 | |
K-1 | 757 | 30 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 | |
J-1 | 811 | 37 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 4970 | 7250 | 15200 | |
GPM0326 | N-1 | 658 | 15 | DN250×2 | DN250 | DN50 | DN65 | DN65 | 3620 | 6830 | 5840 | 7950 | 16900 |
M-1 | 703 | 18.5 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 5840 | 7950 | 16900 | |
L-1 | 741 | 22 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 5840 | 7950 | 16900 | |
K-1 | 805 | 30 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 5840 | 7950 | 16900 | |
J-1 | 857 | 37 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 3620 | 6830 | 5840 | 7950 | 16900 | |
GPM0232 | N-1 | 742 | 15 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 |
M-1 | 791 | 18.5 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 | |
L-1 | 835 | 22 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 | |
K-1 | 907 | 30 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 | |
J-1 | 968 | 37 | DN250×2 | DN300 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 | |
I-1 | 1017 | 45 | DN250×2 | DN350 | DN50 | DN65 | DN65 | 4230 | 6830 | 5840 | 8650 | 19400 |
NOTE
Nominal Tons are based upon temp.drop 35~29.5°C/ 95~85°F, WBT 25.5°C/ 78°F, and 0.681 m3/hr/ton.
Working Thoery
WORKING THEORY
In GPM open cooling towers, the hot water is inlet to the water distribution basin on the top of the tower firstly, and spread onto the extensive surface of the wet deck fills after flowing through the spreading holes by gravity. Meanwhile the dry cool air is inlet through the side louvers of the tower, passing the fills across the water falls. During this process, a part of water is evaporated, with heat removed. The wet hot air is induced draught out of the tower into the atmosphere by the fans on the top, while the cooled water is collected back to the bottom collection basin with the eliminator, flowing back to the equipment requiring cooling water.
Features
PRODUCTS ADVANTAGES
◆ Capable and flexible in customized solutions
◆ Factory assembled for maximal installation convenience
◆ Modular design suits a wide range of heat rejection duties
◆ Compact design with minimal footprints
◆ Multiple corrosion resistant options
◆ Low sound operation options available
◆ More optimizing options available
◆ Performance and quality guaranteed
◆ Super long service life
Certification