Cooling Tower

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Heat Rejection Unit for Industrial Cooling Water Systems

Cooling towers serve as efficient heat exchange systems that lower water temperature through the principle of evaporative cooling. They function by transferring waste heat from circulating cooling water into the atmosphere, effectively dissipating thermal load from industrial processes.

The tower housing is constructed from polyester fiberglass, delivering a combination of light weight, high strength, corrosion resistance, and long-term durability. The fan cylinder incorporates an energy recovery design to optimize airflow distribution and enhance operational efficiency. Additionally, the fan blades are made of airfoil-shaped epoxy fiberglass, ensuring high air delivery, improved energy efficiency, reduced noise levels, and reliable corrosion resistance.

Together, these features enable consistent and economical heat rejection, supporting stable operation across a wide range of industrial applications.

Applications

Cooling towers are widely used across various sectors for efficient heat rejection and water conservation. Their primary applications include:

HVAC&R Systems Large-scale air conditioning, refrigeration plants, cold storage facilities, freezing systems, and combined heating and cooling installations.
Manufacturing & Process Industries Plastics, rubber, chemical and petrochemical production, metal casting, steel manufacturing, food and pharmaceutical processing, and textile operations.
Mechanical Equipment Cooling Generators, steam turbines, air compressors, hydraulic systems, and industrial engines.
Other Industrial & Commercial Uses Additional cooling applications in sectors such as leather tanning, foam manufacturing, aluminum profile production, and specialized industrial water cooling.

Technical Specifications

Model (HTCT-***)		Ton	8	10	15	20	25	30	40	50	60	80	100	125	150
General	Flow rate	m³/h	6.23	7.8	11.7	15.6	19.5	23.4	31.2	39.2	46.8	62.4	78.1	97.5	117
	Air flow	cmm	70	85	140	160	200	230	280	330	420	450	700	830	950
	Fan motor	kW	0.18	0.18	0.18	0.37	0.55	0.55	0.75	1.5	1.5	1.5	2.2	2.2	2.2
	Drive		Direct drive
	Noise level (16m)	dBA	45.5	62.5	62.5	63	63	63	63	63.5	63.5	64	64.5	655	95
	Net weight	kg	42	50	54	67	98	116	130	200	250	280	450	540	580
	Running weight	kg	180	190	290	300	500	530	55d	979	1250	1280	1650	1740	1780
Piping	Water inlet	mm	40	40	50.	50	80	80	80	80	100	100	125	125	150
	Water outlet	mm	40	40	50	50	80	80	80	80	100	100	125	125	150
	Overflow	mm	25	25	25	25	25	25	25	25	25	25	25	25	25
	Drain	mm	25	25	25	25	25	25	25	25	25	25	25	29	25
Height	Flow valve	mm	15	15	15	15	15	15	15	15	20	20	20	20	20
	Tower body	mm	1650	1650	1750	1770	1870	1870	1980	2020	2150	2260	2400	2400	2550
	Cell	mm	940	1070	859	1140	1385	1130	1255	1255	1290	1455	1595	1780	1720
	Air inlet	mm	170	170	170	170	245	245	245	245	325	325	325	325	325
	Water basin	mm	420	420	450	450	450	340	340	420	460	460	450	450	450
	Water inlet	mm	270	270	280	175	175	175	175	230	295	295	300	300	300
	Water outlet	mm mm	180	180	190	190	115	115	115	125	200	200	230	230	230
	Foundation	mm	250	250	250	250	300	300	300	300	300	300	300	300	300
Diameter	Fan	mm	550	600	600	600	770	770	770	930	1170	1170	1450	1450	1450
	Water basin	mm	920	1060	1060	1170	1400	1650	1650	1830	2100	2100	2700	2700	3000
	Foundation	mm	554	554	797	797	1016	1016	1170	1170	1600	1600	2495	2495	2495
	Screw	mm	9×3	9×3	9×3	9×3	9×3	9×4	9×4	9×4	11×4	11×4	11×6	11×6	11×6
Material	Fan										Fiberglass reinforced polyester (FRP)/aluminum alloy
	Fan guard		——								Galvanized steel
	Motor		TEFC-type motor 380V/50HZ 3Ph
	Motor support		Galvanized steel
	Casing		Fiberglass reinforced polyester (FRP)
	Water basin		Fiberglass reinforced polyester (FRP)
	Sprinkler system		Polycarbonate & PVC pipe								Aluminum alloy/PVC pipe
	Eliminator					Fiberglass reinforced polyester (FRP)
	Tension bar												Galvanized steel
	Air inlet support		Polycarbonate & PVC pipe								Aluminum alloy/PVC pipe
	Tower support
	Ladder										Galvanized steel
	Piping		PVC pipe
	Infill support		Polycarbonate			Polycarbonate & galvanized steel
	Infill		PVC film

Note:

Design conditions: Inlet water temperature (T₁) = 37°C, outlet water temperature (T₂) = 32°C, wet bulb temperature (WBT) = 27°C, water temperature drop (ΔTₛ) = 5°C, atmospheric pressure (P) = 99,400 Pa.

Model (HTCT-***)		Ton	175	200	225	250	300	150	400	500	600	700	800	1000
General	Flow rate	m³/h	136.8	156.2	175.5	195.1	234	273.2	312.1	392.4	468	547.2	626.4	781.2
	Air flow	cmm	1150	1250	1500	1750	2000	2200	2400	2600	3750	3750	5000	5400
	Fan motor	kW	4	4	5.5	5.5	7.5	7.5	11	11	15	18.5	22	22
	Drive		Direct drive			Y-belt						Gearbox
	Noise level (16m)	dba	66	66	665	67	67.5	68	68	68.5	68.5	69	70	70.5
	Net weight	kg	760	780	1050	1080	1760	1800	2840	2900	3950	4050	4700	4900
	Running weight	kg	1860	1880	2770	2800	3790	3930	5740	5800	9350	9450	11900	12100
Piping	Water inlet	mm	150	150	200	200	200	200	200	250	250	250	300	300
	Water outlet	mm	150	150	200	200	200	200	200	250	250	250	300	300
	Overflow	mm	25	25	80	80	80	80	80	80	100	100	100	100
	Drain	mm	25	25	B0	B0	80	80	80	80	100	100	100	100
Height	Flow valve	mm	20	20	25	25	25	25	40	40	50	50	50	50
	Tower body	mm	2750	2750	3620	3620	3680	3680	4070	4070	4560	4560	4720	4720
	Cell	mm	1965	1965	2060	2060	2160 620 900	2160	2180	2180	2430	2630	2630	2630
	Air inlet	mm	350	350	620	620	620	620	620	760	1020	1020	1020	1020
	Water basin	mm	850	850	900	900	900	900	900	900	1020	1020	1020	1020
	Water inlet	mm	245	245	280	280	280	280	280	280	340	340	340	340
	Water outlet	mm mm	245	245	280	280	280	280	280	280	340	340	340	340
	Foundation	mm	300	300	300	300	300	300	400	400	400	400	400	400
Diameter	Fan	mm	1750	1750	2135	2135	2440	2440	2745	2745	3400	3400	3700	3700
	Water basin	mm	3300	3300	4100	4100	4640	4640	5500	5500	6600	6600	7600	7600
	Foundation	mm	3400	3400	4300	4300	4920	4920	5760	5760	6760	6760	7500	7500
	Screw	mm	16×8	16×8	16×12	16×12	16×12	16×12	16×24	16×24	25×32	25×32	25×32	25×32
Material	Fan		Fiberglass reinforced polyester (FRP)/aluminum alloy
	Fan guard		Galvanized steel
	Motor		TEFC-type motor 380V/50HZ 3Ph
	Motor support		Galvanized steel
	Casing		Fiberglass reinforced polyester (FRP)
	Water basin		Fiberglass reinforced polyester (FRP)
	Sprinkler system		Aluminum alloy/PVC pipe
	Eliminator		Fiberglass reinforced polyester (FRP)
	Tension bar		Galvanized steel
	Air inlet support		PVC mesh/ PVC mesh
	Tower support		Galvanized steel
	Ladder		Galvanized steel
	Piping		PVC pipe
	Infill support		Galvanized steel
	Infill		PVC film

Note:

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We customize and deliver industrial chillers and process cooling equipment to match your specifications

How do cooling towers operate in cold and sub-zero weather?

In cold climates, cooling towers operate under load to maintain safe water temperatures. The circulating water is routed directly to the cold-water basin to prevent freezing when the thermal load is low. Water flow over the top of the tower remains steady, ensuring stable operation even in sub-zero conditions.

How does a cooling tower help save on water and energy?

Cooling towers use the evaporative cooling process, which can significantly reduce both water and energy consumption. By cooling water through partial evaporation, they lessen the demand on mechanical refrigeration, lowering overall energy use. Many modern cooling towers feature advanced technologies and water treatment systems that allow for water recycling, further reducing reliance on fresh water. In addition, by reducing the load on chillers, air-conditioning units, and other cooling equipment, cooling towers contribute to greater energy efficiency across the entire system.