Nech Series High-Efficiency Closed Cooling Tower for Optimal Performance

• Customization: Available
• Warranty: 2 Years
• Cooling Method: Cross 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
• Fan: Aluminium Alloy
• Protection Level: IP55/ IP65, Insulation Class F
• Power Supply: 380-415V/ 3p/ 50-60Hz
• 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 The NECH Series represents a remarkable category of evaporative condensers, distinguished by its innovative mixed flow heat transfer design. This design utilizes the vertical cross flow direction of air and refrigerant steam, ensuring an even distribution of air through the condenser. Such an arrangement significantly boosts heat exchange efficiency, making it a standout choice for those seeking enhanced performance.

Advantages

 

· Mixed flow heat transfer, Higher condensation efficiency.
Experience enhanced performance with our innovative vertical cross-flow design, ensuring seamless airflow that enhances condensation efficiency by evenly distributing air and refrigerant steam across the condenser for superior heat transfer.

· Secondary heat transfer, improving cooling efficiency.

Our cutting-edge system employs a dual-stage heat transfer process. Initially, spray water engages in a primary heat exchange with the condenser coil. Subsequently, it navigates through the robust PVC heat exchange layer for a secondary heat transfer, before being collected for recycling in the water basin, significantly boosting overall cooling efficiency.

· Closed circuit system, Energy saving and Environmental protection

With a closed-loop system, our equipment ensures the refrigerant remains in a gaseous state, circulating within the coil. This design maintains cleanliness, minimizes water usage, and reduces maintenance costs, thereby extending the service life of the equipment and promoting sustainability.

· Compact structure design, High Strength and Convenient

Our equipment boasts a compact and robust design that occupies minimal space, facilitating effortless shipment, installation, and maintenance, ensuring convenience at every step.

 

Work Principle

When the innovative NECH evaporative condenser is in operation, a seamless process unfolds, ensuring top-notch efficiency:
The condensing coil serves as the primary conduit for the refrigerant steam, a crucial component that masterfully transforms the refrigerant steam into liquid. This transformation occurs through a sophisticated process of evaporation, where heat is meticulously absorbed by the precisely applied spray of water. This spray water deftly navigates through the coil unit before cascading into the high-efficiency PVC heat exchange system, where it continues a secondary phase of heat transfer, amplifying thermal efficiency. Concurrently, the state-of-the-art axial flow fan delivers robust power, inducing the air to create a dynamic cross flow within the condenser. Here, the air engages in an intricate heat exchange with the refrigerant steam, culminating in an outstandingly effective condensation process.

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. Begin by confirming the condensing temperature and the wet bulb temperature.
2. Accurately calculate the total heat abstraction amount that flows through the system to the condensers.
3. Refer to Table 2 or Table 3 below to select the appropriate heat abstraction amount correction index.
4. Multiply the total heat abstraction amount by the heat correction index. This product equals the condensing load under current working conditions.
5. Consult the Graph Specification sheet to select heat abstraction amount data that is greater or equivalent to the corrected data.

Components & Options

Axial Flow Fan

Our cooling tower features an advanced aluminum alloy axial flow fan, designed with forward blade structure for minimal wind resistance and substantial air volume. This ensures whisper-quiet, yet high-performance operations with exceptional efficiency. The fan's streamlined, high-strength stack uniformly channels airflow, optimizing energy use. Protection class for the fan motor is IP55, with insulation classified as F class.

 

Drift Eliminator

Utilizing our proprietary NEWIN MBD series drift eliminator, it is crafted from advanced self-extinguishing PVC material. Its vertical grain texture design enhances the product's strength and is glued into a block for superior load-bearing capacity. It offers minimal wind resistance and effectively captures and recovers 99.99% of exhaust air flow water droplets.

Water Distribution System

Our spray system incorporates SPJT pressure-type nozzles, delivering a fine, dense mist under pump pressure. This ensures a vast spray area with uniform distribution, maximizing the tower's cooling efficiency.

 

Condensing Coil

Crafted from 304 stainless steel, our coil is highly resistant to corrosion. The specialized coil design enhances heat transfer performance, with options available in SUS 304/316, Copper, or Galvanized steel.

 

PVC Heat Exchanger Layer

Our NEWIN MAH series fill film, made of advanced self-extinguishing PVC material, is designed with a special texture to provide ample heat exchange surface area. It includes grille and water-receiving edge features to minimize drift water loss and maximize heat transfer efficiency. Optional upgrades to high-temp resistant materials are available.

 

Air Inlet Louver

Constructed from HDGS material, our air inlet louver ensures even airflow into the system, reducing noise and protecting packing from exposure. It's designed for maintenance-free operation.

 

 

Heavy-duty Construction

Engineered with a modular structure, our system uses premium Z700 galvanized anti-corrosion plates. Options include the robust NWN-Armour plate or SUS 304/316 plate, offering strong corrosion resistance.

About NWN-Armour Plate

Our galvanized steel panel with NWN-Armour anti-corrosion coating provides outstanding resistance, rivaling stainless steel's durability. It's a cost-effective alternative to Stainless Steel 304, offering similar robust protection against corrosion.

 

NEWIN Manufacturing Base

NEWIN FACTORY
Nestled in the vibrant landscape of Huizhou, Guangdong, our expansive manufacturing base spans an impressive 10,000 square meters. This state-of-the-art facility is a hub of innovation and production excellence, reflecting our commitment to cutting-edge manufacturing practices.

ISO CERTIFICATION
Boasting prestigious ISO certifications such as ISO9001:2015 for Quality Management and ISO14001:2015 for Environmental Management, Newin is a beacon of commitment to superior quality and sustainable business practices. These certifications underscore our dedication to excellence and environmental stewardship.

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 meticulously engineered for optimal performance, ensuring unmatched durability and efficiency in various applications.
· NSH/ NST Our highly efficient Open Type Cooling Tower Series is crafted to meet a wide range of applications, offering unparalleled versatility and reliability.
· NTG Our robust Industrial Type Cooling Tower Series is specifically tailored for demanding environments, providing exceptional durability and long-lasting performance.
· NECN/NECH Our sophisticated Evaporative Condenser systems deliver superior cooling efficiency through advanced technology, setting new standards in the industry.
· NWFL The innovative Dry Air Cooler solutions from Newin offer high-capacity, energy-efficient performance tailored for modern industrial needs, ensuring operational efficiency.


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. Connect with 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 and enhance system performance.
· Water distribution elements, such as nozzles and drift eliminators, are thoughtfully designed to achieve optimal fluid management and maximize efficiency.
· Heat exchange components, including PVC infills and cooling coils, guarantee efficient thermal transfer and superior performance, elevating the cooling process.
· Additional accessories, including air inlet louvers and valves, are meticulously engineered for seamless integration and enhanced performance, ensuring system coherence.
 

Packaging & Shipping

Open Type Cooling Towers Shipment: Experience the pinnacle of logistics excellence with our expertly coordinated shipping solutions. Our dedicated team meticulously plans every detail to ensure your equipment not only arrives punctually but also in pristine condition, ready to deliver its exceptional performance right out of the box. Trust in our commitment to logistics brilliance.

Closed Type Cooling Towers Shipment: Discover peace of mind with our secure and efficient delivery services. Our meticulous handling process serves as a vigilant guardian for your valuable assets, ensuring they are impeccably shielded from any potential harm and arrive safely at their destination. Entrust us to deliver your equipment with care and precision.

Technical Strength& Standards

Certifications