Nech Series Evaporative Condenser/ Closed Cooling Tower

• Customization: Available
• Warranty: 2 Years
• Cooling Method: Mixed Flow
• Model NO.: NECH
• Ventilation Mode: Mechanical Ventilation
• Material: Aluminum Zinc
• Air Contact Form: Wet and Dry
• Air Contact Way: Closed
• Tower Shape: Square
• Noise Level: Low
• Application Fields: Industrial
• Certification: UR, ISO
• Condition: New
• Fan: Aluminium Alloy
• Protection Level: IP55/ IP65, Insulation Class F
• Capacity Range: 240~2000kw
• Structure/ Case Material: Hdgs/ SUS
• Coil Material: Cooper/ SUS
• Transport Package: Wood Packing
• Specification: CE, UL, CTI
• Trademark: NEWIN
• Origin: Shenzhen China
• HS Code: 841989
• Production Capacity: 1000sets/Month

Product Description

NECH Series Evaporative Condenser/ Closed Cooling Tower
NECH is one of the common type of evaporative condensers, which is characterized by its mixed flow heat transfer ( the vertical cross flow direction of air and refrigerant steam). This design allows the air flow evenly through the condenser, higher heat exchange efficiency.

Advantages

 

· Mixed flow heat transfer, Higher condensation efficiency.
The vertical cross flow direction of air and refrigerant steam , to make sure the air flow evenly through the condenser, efficient heat transfer.

· Secondary heat transfer, improving cooling efficiency.

Spray water flows through the condenser coil and first heat exchange with the coil, then flows though the lower part ( PVC heat exchange layer) and secondary heat transfer, last falls into the water collection basin for recycling. This process further improving cooling efficiency.

· Closed circuit system, Energy saving and Environmental protection

The Gaseous state Refrigerant is condensing and closed circulation in the coil , Keep clean, reduce water consumption and maintenance cost, longer equipment service life.
 

· Compact structure design, High Strength and Convenient

Small occupation area, Convenient to the shipment, Ease of installation and maintenance.

 

Work Principle

When NECH evaporative condenser is in operation: 
The condensing coil is the main channel of refrigerant steam, which condenses the refrigerant steam into liquid by the way of evaporating and absorbing heat by spraying water. Spray water flow through coil unit and then into PVC heat exchange, going on secondary heat transfer. At the same time, the axial flow fan provides power, causing the air to form a cross flow inside the condenser and exchange heat with the refrigerant steam, so that to achieve efficient condensation performance.

Series	Type	Capacity	Fan Drive System	Condensation	Secondary Heat Transfer
NECH	Mixed Flow	Range	Axial Flow fans	Condensing coil	PVC heat exchange layer
	Allows the air flow evenly through the condenser.	240~2000kw	Provides power, causing the air to form a cross flow inside the condenser and exchange heat with the refrigerant steam.	The main channel of refrigerant steam.	Spray water flow into PVC layer and secondary heat transfer.
Mixed flow heat exchange,  Closed circuit system	High efficiency, Energy-saving and Environmental protection
Application	Refrigeration, Air conditioning, Chemical industry, Medicine, Food and other fields. Especially in situations with limited space or requiring efficient and compact heat transfer equipment.

 

Parameter

Table 1.Technical Specification

Item	Heat Rejection Capacity (KW)	Dimension (mm)					Axial Fan			Spray Pump			NH3  Ammonia Charge (kg)	Weight (kg)
Model		Length		Width	Height		Air Volume (m³/h)		Power (Kw)x Qty	Flow (m³/h)	Power (Kw)
NECH-240	240	2500	1970			2263	32000	1.1*2		32.5		1.5	25	3050
NECH-320	320	2500	1970			2263	32000	1.1*2		32.5		1.5	37	3360
NECH-400	400	3100	1970			2395	48000	1.1*3		45		2.2	39	3680
NECH-480	480	3100	1970			2395	48000	1.1*3		45		2.2	48	4050
NECH-560	560	3100	1970			2890	48000	1.1*3		58		2.2	60	4980
NECH-640	640	3100	1970			2890	48000	1.1*3		58		2.2	71	5180
NECH-800	800	3100	1970			2890	48000	1.1*3		58		2.2	83	6200
NECH-1000	1000	3840	2340			3120	64000	1.1*4		89		4	98	7610
NECH-1200	1200	4350	2340			3645	80000	1.5*4		100		5.5	110	10250
NECH-1400	1400	4350	2340			3645	80000	1.5*4		130		5.5	158	11230
NECH-1600	1600	4350	2340			3645	80000	1.5*4		130		5.5	161	13200
NECH-2000	2000	5630	2340			3890	120000	2.2*4		172		7.5	197	14730

 

Table 2. Heat Emission Correction Index for R717

Condensing Temp. (°C)	Air Inlet Wet Bulb Temp. (°C)
	18	19	20	21	22	23	24	25	26	27	28	29	30
30	1.40	1.51	1.63	1.79	1.99	2.24	2.56	3.00
32	1.18	1.25	1.32	1.43	1.55	1.70	1.88	2.11
34	1.02	1.07	1.12	1.19	1.28	1.36	1.48	1.61	1.80	2.06
35	0.95	0.99	1.03	1.08	1.15	1.23	1.30	1.39	1.53	1.69	1.90	2.15	2.47
36	0.89	0.92	0.96	1.01	1.07	1.13	1.20	1.28	1.39	1.53	1.70	1.91	2.17
38	0.78	0.81	0.83	0.86	0.90	0.94	0.99	1.05	1.12	1.21	1.31	1.44	1.59
40	0.70	0.72	0.74	0.76	0.80	0.83	0.87	0.91	0.96	1.02	1.09	1.18	1.29
42	0.63	0.64	0.66	0.68	0.71	0.74	0.76	0.80	0.84	0.88	0.93	0.99	1.06
44	0.56	0.58	0.59	0.61	0.63	0.65	0.67	0.70	0.76	0.76	0.79	0.83	0.86

 

Table 3. Heat Emission Correction Index for R22 &R134a

Condensing Temp. (°C)	Air Inlet Wet Bulb Temp. (°C)
	10	12	14	16	18	19	20	21	22	23	24	25	26	28
29	0.86	0.94	1.03	1.15	1.37	1.43	1.55	1.68	1.92	2.10	2.52	3.10
31	0.77	0.83	0.90	0.99	1.10	1.17	1.24	1.34	1.47	1.62	1.83	2.10	2.48
33	0.69	0.73	0.79	0.86	0.94	1.00	1.02	1.10	1.20	1.28	1.40	1.56	1.75	2.38
35	0.62	0.66	0.70	0.76	0.83	0.86	0.90	0.93	1.00	1.07	1.18	1.25	1.38	1.68
37	0.57	0.60	0.63	0.67	0.72	0.76	0.78	0.82	0.85	0.90	0.96	1.02	1.10	1.30
39	0.55	0.57	0.59	0.62	0.65	0.68	0.70	0.72	0.75	0.79	0.84	0.88	0.95	1.10
41	0.48	0.49	0.52	0.54	0.57	0.59	0.61	0.63	0.66	0.68	0.71	0.75	0.78	0.90
43	0.44	0.46	0.48	0.50	0.52	0.54	0.55	0.57	0.59	0.61	0.63	0.66	0.68	0.75
45	0.41	0.42	0.44	0.46	0.48	0.49	0.50	0.52	0.53	0.55	0.56	0.58	0.61	0.66

Instructions for Selection
1. Confirm condensing temperature, wet bulb temperature.
2. Calculate total heat abstraction amount that goes through system to condensers.
3. Take a reference to below Table 2. or Table 3., select heat abstraction amount correction index.
4. Total amount of heat abstraction multiplies heat correction index equals to the condensing load during the working conditions.
5. Take a reference to Graph Specification sheet, select the heat abstraction amount data which is bigger or equivalent tothe data after correction.
 

Components & Options

Axial Flow Fan

 

Adopts cooling tower special aluminum alloy axial flow fan,forward type blade structure design, small wind resistance, big air volume, low noise, good performance, high efficiency. Streamline high strength fan stack ensures airflow uniform through the fan inlet and outlet area, maximum reduce the energy consumption. Fan motor's protection class: IP55, Insulation class: F class.
 

 

Drift Eliminator

 

Adopts NEWIN made MBD series drift eliminator, advanced self-extinguishing PVC material, the sheet surface of the sheet is vertical grain texture design, improve the strength of the product, glued into block, strong load-bearing capacity, small wind resistant and effectively remove the exhaust air flow entrained water droplets, maximum drift capture and recovery 99.99%.

 

Water Distribution System

 

Spray system adopts SPJT pressure type nozzles, provide a fine and dense liquid mist under the pressure action of water pump, large spray area and evenly distribution.

 

Condensing Coil

 

Adopts 304 stainless steel coil, high anti-corrosion. Special coil set design, improving heat transfer performance. * Coil materials: SUS 304/316, Copper or Galvanized steel for option.

 

PVC Heat Exchanger Layer

 

Adopts NEWIN made MAH series fill film, advanced self-extinguishing PVC material, special texture design, provide sufficient heat exchange surface area, fill with grille and water receiving edge, reduce the loss of drift water, ensure high heat transfer efficiency.* Fill film materials could be upgraded to high-temp resistant materials.

 

Air Inlet Louver

 

HDGS material air inlet louver makes air flow evenly into equipment, reduce noise ans prevent the packing from exposure, maintenance-free.

 

 

Heavy-duty Construction

 

Modular structure, adopt the high quality of Z700 galvanized anti-corrosion plates, strong corrosion resistant NWN-Armour plate or SUS 304/316 plate for option.

 

About NWN-Armour plate

 

That is the galvanized steel panel with NWN-Armour anti-corrosion coating have excellent resistance and corrosion resistance approaching the characteristics of stainless steel. A cost-effective alternative to Stainless Steel 304.

 

NEWIN Manufacturing Base

NEWIN FACTORY
Nestled in the vibrant landscape of Huizhou, Guangdong, our expansive manufacturing base covers an impressive 10,000 square meters. It offers a state-of-the-art environment that fosters both innovation and production excellence.

ISO CERTIFICATION
Boasting prestigious ISO certifications such as ISO9001:2015 for Quality Management and ISO14001:2015 for Environmental Management, Newin stands as a beacon of commitment to superior quality and sustainable practices.

WORKSHOPS
Welding Workshop
Filler Thermoforming Workshop
Sheet Metal Processing Workshop
Cooling Tower Assembly Workshop

TESTING
Dedicated Independent Testing LAB


NEWIN COOLING TOWERS:

· NWN/ NWF/ NCFN Our Cutting-edge Closed Type Cooling Tower Series is engineered for optimal performance, ensuring durability and efficiency.
· NSH/ NST Our Highly efficient Open Type Cooling Tower Series is designed to meet a wide range of applications, offering versatility and reliability.
· NTG Our Robust Industrial Type Cooling Tower Series is specifically tailored for demanding environments, providing exceptional durability.
· NECN/NECH Our Sophisticated Evaporative Condenser systems deliver superior cooling efficiency through advanced technology.
· NWFL The Innovative Dry Air Cooler solutions from Newin offer high-capacity, energy-efficient performance for modern industrial needs.


NEWIN offers a comprehensive inventory of premium cooling tower accessories, perfectly catering to maintenance and replacement needs across a variety of cooling tower sizes and types. Contact us to customize the precise cooling tower accessories you require, ensuring optimal performance and longevity.

CONTAIN:
· Fan drive system components, including fan, fan stack, reducer, motor, and shaft, are expertly crafted to elevate functionality.
· Water distribution elements, such as nozzles and drift eliminators, are designed to achieve optimal fluid management and efficiency.
· Heat exchange components, including PVC infills and cooling coils, guarantee efficient thermal transfer and superior performance.
· Additional accessories, including air inlet louvers and valves, are meticulously engineered for seamless integration and enhanced performance.
 

Packaging & Shipping

Open Type Cooling Towers Shipment: Experience the pinnacle of logistics excellence with our expertly coordinated shipping solutions. We ensure that your equipment not only arrives on time but also in immaculate condition, ready to deliver peak performance right out of the box.

Closed Type Cooling Towers Shipment: Discover peace of mind with our secure and efficient delivery services. Our meticulous handling process acts as a guardian for your valuable assets, guaranteeing they are shielded from harm and arrive safely at their destination.

Technical Strength& Standards

Certifications