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500m3/H-4500m3/H Forced Draft Counterflow Open Circuit Cooling Tower

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H Forced Draft Counterflow Open Circuit Cooling Tower

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Model Number :	NH Series
Certification :	GB7190.2-1997

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500m3/H-4500m3/H Forced Draft Counterflow Open Circuit Cooling Tower

500m3/H-4500m3/H Forced Draft Counterflow Cooling Tower Open Circuit Cooling Tower

Working Principle:

Hot water enters the cooling tower from the top, usually through pipes.
A fan or other ventilation equipment at the bottom of the tower introduces cooling air to the bottom of the cooling tower.
The hot water flows through the packing layer and exchanges heat with the rising cooling air.
The heat in the hot water is transferred to the air, causing the water temperature to drop, while the air heats up and removes the heat.

Application Areas:

Counterflow open cooling towers are widely used in power plants, chemical plants, refineries and other industrial sites to cool circulating water, coolants or other hot water or fluids generated by the production process.
These cooling towers help maintain the normal operating temperature of industrial equipment and reduce heat emissions from the production process.

Maintenance and Performance Optimization:

Counterflow open cooling towers require regular maintenance, including cleaning the packing, checking the pipes and valves, etc.
Optimizing the performance of the cooling tower can be achieved through proper packing selection, fan adjustment and fluid circulation control to ensure the best heat exchange efficiency.

Product Specification:

type	water capacity m³/h	exterior size		fan			water inlet pipe DN(mm)	water distribution pipe height mm	other size					weight			standard spot noise dB(A)
type	water capacity m³/h	B(mm)	H(mm)	diameter mm	air volume x10^4m³	motor power N(KW)	water inlet pipe DN(mm)	water distribution pipe height mm	B₁	L	H₁	H₂	A	dry t	concret size m³	wet t	standard spot noise dB(A)
10NH-500	500	6400	9200	4000	32.4	22	350	5200	3200	19200	2700	6500	2121	15.4	24	91.8	≤75
10NH-750	750	7800	10376	5000	48	30	450	5750	3900	23400	3200	7300	2352	22.1	29	118.2	≤75
10NH-1000	1000	9000	11555	6000	64	45	500	6300	4500	27000	3700	7900	2526	28.4	36	148.4	≤75
10NH-1500	1500	11000	13228	7000	96	75	600	7150	5500	33000	4200	9200	4784	40.3	60	235.6	≤75
10NH-2000	2000	12800	14500	8000	130	92	700	7250	6400	38400	4500	9750	5184	53.9	77	306.9	≤75
10NH-2500	2500	14400	14550	8530	157	110	800	7250	7200	43200	4500	9750	5034	65.7	100	409.3	<75
10NH-3000	3000	15800	15350	8530	190	132	900	7500	7900	47400	4700	10550	5534	77.6	120	473.2	≤75
10NH-3500	3500	17000	15400	8530	218.5	160	900	7600	4250	34000	5000	10600	5584	86.5	180	651	≤75
10NH-4000	4000	18200	16112	9140	252	185	1000	7800	4550	36400	5200	11050	5734	99.1	200	728.5	≤75
10NH-4500	4500	19300	16712	9140	282	220	1000	8100	4825	38600	5500	11650	6034	109	220	805.1	≤75
design condition: db temp=31.5℃ wb temp=28℃ barometric pressure=1.004x10^5 Pa inlet water temp=43℃ outlet water temp=33℃					note: 1.The weight of the equipment is calculated in units of a single tower 2.the dry weight is the weight of the delivery product,concrete size is the concrete structure 3.Specific gravity of concrete is calculated at 2.6t/m³,wet weight is the tower operation weight

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