In a crossflow cooling tower the process water is pumped to the top of the tower into the hot water distribution basin. The distribution basin is out of the way of the airstream and is gravity fed. The only driving force behind the nozzles is the hydrostatic head of water above the nozzle itself.
How does the cross flow cooling tower work?
The square cross flow cooling tower adopts air intake from both sides, and the fan on the top makes the air pass through the packing on both sides of the tower to exchange medium with hot water, and the hot and humid air is discharged to the outside of the tower. The filler adopts a point wave plate with convex points on both sides. The point wave plate is bonded into a whole through the mounting head to improve rigidity. The convex points on both sides can also avoid direct dripping, thus improving the water film formation ability.
What is the cross flow cooling water tower features?
1. The surface of the tower body is made of gel coat resin, which has the advantages of aging resistance, corrosion resistance and no fading.
2. The steel bracket in the tower adopts galvanized process, plus anti-corrosion paint, and the anti-corrosion ability is particularly strong.
3. The appearance is beautiful, the floor space is saved, and it can be combined and installed.
4. Special motors and fans for cooling towers are used. The fans have won the National Quality Management Award.
5. High-efficiency water-spraying filler is used, which is resistant to high temperature, low temperature, flame retardant, and has high strength after assembly.
6. The water collector adopts the dislocation 30×160 type, which has high water collection efficiency.
7. The chassis can be used as a sump, no need to set up another sump.
8. The tower body has good stability and strength,
Now let's take a look at 400T Cross Flow Square Type Water Cooling Tower's Specifications:
Item | Content | Value | Remarks |
Basic specs | Cooling Tower Type | cross flow square type tower | |
Model | AYD-400L/SB | Low Noise | |
Circulating Water Flow | 400 m3/h | ||
Inlet Temp／Outlet Temp | 37℃／32℃ | ||
DB／WB | 31.5℃／28℃ | ||
Cooling Capacity | 2,000,000 kcal/h | ||
Noise Value | 65dB(A) | ||
Power Supply | 380V／3P／50Hz | ||
Water Requirement | PH＝6-8 | ||
Design specs | Air Water Scale | 0.81kg/kg | |
Water resistance | 50 Kpa | ||
Flying Water Loss | ≤0.001% | ||
Evaporation Loss | 0.83% | ||
Net／Running Weight | 2850/6270KG | ||
Motor fan specs | Fan Type | Axial-Flow | |
Air Volume | 335,000m3/h | ||
RPM | 320r/min | ||
Fan Dia（Φ） | 3,200 mm | ||
Quantity of Fan | 1set | 4pcs/set | |
Motor Type | All Closed Water-proof | ||
Driving Mode | Belt | ||
Motor Power | 15 kW | one set | |
Start Way | Y-△ | ||
Main Dimension | L*W*H | 6,000×3,600×5,000 mm | |
Inlet Pipe Size（DN） | 150mm | four set | |
Outlet Pipe Size（DN） | 300mm | one set | |
Overflow／Drain Pipe（DN） | 80mm／80mm | one set each | |
auto／manual supply（DN） | 40mm／40mm | one set each | |
Material | Orifice |
Glass Fiber Reinforced Plastics | Synthesis of high quality glass fiber felt and resin |
Sprinkler System | |||
Boarding | |||
Basin, Vat | |||
Belt | Composite Material | ||
Fan | Aluminum Alloy | Big Chord Arc | |
Motor | All Closed Water Proof | IP55,F class | |
Film | P.V.C | 3000*1230mm | |
Iron Frame, Motor Frame | hot-dipped galvanized steel | B/T-13912-2002 |
Attention to the use of cross-flow cooling towers
Cross-flow cooling tower, the official explanation is that the water flow falls vertically from the upper part of the tower, the air flows horizontally through the water-spraying filler, and the air flow and the water flow are orthogonal to the cooling tower. In layman's terms, it is a cooling tower where the airflow and the water flow intersect directly. So what are the design and selection points of the cross-flow cooling tower and the precautions for its use?
Construction and installation points:
1. During the installation of the cooling tower, attention should be paid to fire prevention. It is strictly forbidden to use open flames such as electric welding (or gas cutting) in the tower body and its vicinity, and smoking is not allowed for those present. If an open flame is used, appropriate safety measures should be taken.
2. The foundation of the cooling tower should be kept horizontal, the pillars are required to be perpendicular to the base surface, and the height difference of each base surface should not exceed ±1mm. The allowable deviation of the center distance is ±2mm.
3. When the tower body is assembled, the bolts should be tightened symmetrically, and it is not allowed to forcibly twist the installation, and there must be no water leakage or air leakage after assembly.
4. The foot of the cooling tower and the embedded steel plate of the foundation need to be directly positioned and welded, and the embedded steel plate should be level and firm.
5. During transportation and storage of cooling tower parts, no heavy objects are allowed on them, and no exposure to the sun is allowed, and open flames should be paid attention to.
6. The cooling tower inlet and outlet pipes and supplementary water pipes should be provided with separate pipe brackets to avoid transferring the weight of the pipes to the tower body.
7. Fan blades should be properly kept to prevent deformation. Motors and transmission parts should be oiled and stored indoors.
8. To prevent debris from entering the nozzle and orifice, it should be carefully cleaned before assembly.
9. After the cooling tower is installed, the pipes, packing surfaces, water collecting trays and other dirt and relics in the tower should be cleaned, and the system should be cleaned.
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