Manufacturer Reverse Flow Cooling Tower Industrial Air Refrigeration Closed Cooling Tower

• Customization: Available
• After-sales Service: Lifetime After-Sales
• Warranty: 12 Months
• Model NO.: Closed cooling tower
• Cooling Method: Counter Flow
• Ventilation Mode: Mechanical Ventilation
• Material: Metal
• Air Contact Form: Wet and Dry
• Air Contact Way: Closed
• Tower Shape: Square
• Noise Level: Ultra Low
• Application Fields: Industrial
• Certification: RoHS, UR, ISO, CE, CCC
• Condition: New
• Customized: Yes
• OEM Service: Yes
• Modes of Packaging: Standard Export Packing
• Shipment Mark: According to Your Client′s Request
• Housing Material: Aluminum Zinc Plated Sheet and Stainless Steel
• Voltage: 380V, Customized
• Power: Customized
• Video Factory Inspection: Available
• Core Components: Engine
• Dimensions (Length X Width X Height): Depending on The Model
• Core Selling Points: 25 Years
• Transport Package: 5450 × 2500 × 4100 Millimeters/5110 Ki
• Specification: 5450 × 2500 × 4100 millimeters/5110 ki
• Trademark: MAISHIDUN
• Origin: China
• HS Code: 8716400000
• Production Capacity: 5000sets/Year

Product Description

Product Description

REVERSE FLOW CLOSED COOLING TOWER

Cooling medium: water, oil, or other liquids Condenser Material: Copper Tube Condenser, Stainless Steel Tube Condenser shell material: 304 stainless steel plate, Galvanized sheet, magnesium aluminum zinc plated plate. Compact structure, small footprint, and relatively high height. Adopting modular design, maintenance is convenient and fast. Meanwhile, due to the adoption of a closed-loop system, impurities and dirt in the cooling water are less likely to accumulate, reducing the maintenance cost of the equipment.

Working Principle:
A counter current closed cooling tower is a type of cooling tower where the wind direction is opposite to the direction of the spray water. The inlet form of the counter current closed cooling tower is bottom inlet, and dry low-temperature air is sucked in from the lower part of the tower, alternating with the falling spray water in the opposite direction. After absorbing heat and moisture, the hot air is discharged by the top fan.

Product Advantages:
Efficient cooling:Adopting a counterflow design, the cooling water stays in the tower for a long time, increasing the cooling area of the cooling water and thus improving the cooling efficiency.
Energy conservation :The closed loop system reduces the evaporation loss of cooling water, saves water resource waste, and reduces energy consumption.
Stable and reliable:The steel structure design is stable and reliable, able to adapt to various harsh environments, and the closed-loop system reduces the fluctuation of cooling water temperature and humidity, thereby reducing the failure rate.
Exquisite Craftsmanship:
Save:Compared with traditional open cooling towers, it achieves fully enclosed internal circulation of cooling water (purified water), without the need for excavating water tanks, and is convenient to relocate. Suitable for areas with water scarcity.
Environmental protection:Through fully enclosed circulation, the circulating cooling water is protected from pollution and can be used sustainably. Closed cooling towers protect the atmospheric environment due to the low evaporation of spray water.
Stability:Circulating water usually adopts soft water closed-loop circulation, which prevents the formation of scale at high temperatures and increases the service life of pipelines and equipment components. By setting system parameters, ensure the effectiveness and stability of the cooling process.
Energy conservation:The frequency conversion technology used enables the cooling system to adjust the air volume and spray volume according to changes in ambient temperature, control the start and stop of fans and spray systems, and achieve energy saving in the cooling process.
Service life:The closed cooling tower designed and produced by our company adopts high-quality metal structural materials to enhance the corrosion resistance of the equipment. Extended lifespan, minimal maintenance, and low cost.
Application Area:
Industrial sector,Business field,Civilian field,Other fields

Standard Type Square Counter-flow Cooling Tower Selection Parameters Table
SN	Model	Cooling water(m³/h)				size		Fan			IN	WEP	Decibels	Weight
		Wet ball=28ºC		Wet ball=27ºC		L*W	H	Power	Diameter	Q	OUT			Net.W	RUN.W
		37ºC	40ºC	37ºC	40ºC	mm	mm	kw	mm	m3/h	DN	m	dB(A)	Kg	Kg
		32ºC	32ºC	32ºC	32ºC
1	DNT-80	80	61	92	70	2250x2250	5080	3-8P	1500	43400	100/150	6.1	60	880	1650
	DNT-80L						4170							780	940
2	DNT-100	100	74	119	86	2400x2400	5115	4-8P	1800	61000	150/200	6.2	61	1550	2300
	DNT-100L						4205							1000	1200
3	DNT-150	150	110	175	127	2850x2850	5115	5.5-8P	2100	92000	200/250	6.2	61	1850	2800
	DNT-150L						4205							1260	1560
4	DNT-175	175	126	207	153	3100x3100	5115	4-4P	2400	105000	200/250	6.2	62	2210	3150
	DNT-175L						4205							1550	1930
5	DNT-200	200	149	237	172	3300x3300	5260	5.5-4P	2800	115000	200/250	6.5	62	2380	3700
	DNT-200L						4300							1700	2130
6	DNT-250	250	188	297	216	3600x3600	5260	5.5-4P	2800	150000	250/300	6.5	62	2730	4050
	DNT-250L						4300							1990	2540
7	DNT-300	300	225	351	258	4300x4300	5260	7.5-4P	3400	180000	250/300	6.5	62	3610	5550
	DNT-300L						4300							2550	3430
8	DNT-350	350	261	415	302	4500x4500	5260	7.5-4P	3400	210000	250/300	6.5	62	3910	6100
	DNT-350L						4300							2830	3560
9	DNT-400	400	300	467	344	4800x4800	5610	11-4P	3800	240000	300/350	6.5	62.5	4450	6950
	DNT-400L						4700							3265	4180
10	DNT-500	500	375	584	430	5300x5300	6210	15-6P	3800	265000	300/350	6.5	63	5600	8630
	DNT-500L						5300							4280	5260
11	DNT-600	600	449	699	515	6000x6000	6710	18.5-6P	4200	360000	350/400	6.5	65	6860	10700
	DNT-600L						5700							5300	6740
12	DNT-700	700	550	789	612	6500x6500	6710	18.5-6P	4200	380000	350/400	6.5	65	7960	12800
	DNT-700L						5700							6270	7780
13	DNT-750	750	562	875	645	6800x6800	6710	22-6P	4200	400000	350/400	6.5	65	8560	13160
	DNT-750L						5700							6770	8300
14	DNT-800	800	562	875	645	7000x7000	7110	22-6P	4200	420000	400/450	6.8	65	9290	13300
	DNT-800L						6100							7070	8670
15	DNT-900	900	673	1050	773	7300x7300	7110	30-6P	4700	490000	400/450	7	70	10004	15500
	DNT-900L						6100							7700	10100
16	DNT-1000	1050	787	1226	903	7800x7800	7110	30-6P	4700	556000	450/500	7	70	10860	18100
	DNT-1000L						6100							8285	12160
	1,Design conditions: Wet bulb temperature 27 - 28ºC, dry bulb temperature 31.5ºC.
	2,△t=5ºC,t1=37ºC,t2=32ºC;△t=8ºC,t1=40ºC,t2=32ºC.
	3,Model designations: D - Low Noise, N - Counter Current Type, T - Cooling Tower, xxx - Flow Rate, L - Dry Tank.
	4,This selection parameter table and related data are for reference only. We will configure the products based on changes in working conditions and new technologies. Please refer to the provided solutions.

Main Products

Our core business fields include water purification treatment equipment (RO reverse osmosis equipment, single and double reverse osmosis equipment, softened water equipment, ultrafiltration equipment, bag filter, bottled water filling equipment, barreled water filling equipment, etc.), mining equipment (mobile crushing station, cone crusher, impact crusher, impact crusher, SAND-MAKING MACHINE, SAND WASHING MACHINE, SAND SCREENING MACHINE, ETC.), COOLING TOWER (2MM304 STAINLESS STEEL PLATE COOLING TOWER, 2MM MAGNESIUM-ALUMINUM-ZINC PLATE COOLING TOWER, LARGE ENERGY-SAVING COOLING TOWER, WATER-SAVING COOLING TOWER, ETC.), MOBILE DINING CAR (TRACTING FOOD CAR, ELECTRIC FOOD CAR,)

Company Profile

Shandong Zhongmai Industrial Technology Co., Ltd. is a high-tech enterprise focusing on industrial science and technology research and development, intelligent manufacturing, high-end equipment production and technical services. Main products: Water purification treatment equipment (RO reverse osmosis equipment, single and double reverse osmosis equipment), mining equipment, cooling towers, mobile dining cars and other equipment. The company is based in Shandong and radiates throughout the country, and is committed to providing innovative industrial solutions and high-quality products and services for global customers.

Workshop & Equipment

Certifications

Packaging & Shipping

FAQ

Q1: Are you a trader or a manufacturer?
A: We are a direct factory! All our products are developed and produced in our self-built factory. We have a complete production line and technical team. We have full control over the entire process from raw materials to finished products, ensuring quality and cost advantages.

Q2: Can the products be customized according to requirements? How long is the customization cycle?
A: We support full customization!
Whether it's water purification equipment, mining machinery, mobile food trucks, space cabin modules, cooling towers, oil-water separators, etc., we can customize the functions, specifications, and appearances according to customer needs.
Cycle: It usually takes 15 to 60 days depending on the complexity (specifically confirmed after technical assessment), and we can respond efficiently to urgent demands.

Q3: What are the advantages of modular equipment (such as mobile food trucks, space capsules)?
A: Three core advantages:
Flexible deployment: Quick assembly, easy to move, suitable for various scenarios such as scenic spots, mining areas, and commercial streets;
On-demand expansion: Supports free combination of functional modules (such as water and electricity systems, temperature control equipment);
Shorter construction period and lower cost: Standardized components + customized design, saving more than 50% of time compared to traditional construction.

Q4: Is the technology mature? How is the equipment quality guaranteed?
A: Dual guarantee system:
Technical perfection: With years of experience in the industry, the water purification treatment, oil-water separation equipment, etc. adopt patented technologies, and the cooling tower fuel engine, etc. have passed ISO performance certification;
Strict quality control: There are multiple quality inspection procedures throughout the process, factory testing, and a warranty is provided.

Q5: Does the mining equipment support operation in harsh environments?
A: Specifically designed for demanding conditions!
The equipment adopts a heavy-duty structure and anti-corrosion materials, capable of withstanding high temperatures, resisting dust, and withstanding vibrations. It can also provide a remote monitoring system and fault warning function as per requirements, ensuring continuous and safe operation in the mining area.

Q6: How does the after-sales service respond?
A: Full-process worry-free service:
7×24-hour technical consultation;
Domestic issues responded to within 48 hours;
Free operation training + maintenance guidance.

Q7: Does the cooling tower diesel engine save energy?
A: Intelligent energy-saving design!
It adopts variable frequency control and heat recovery technology, which is 20% - 35% more energy-efficient than traditional models. It can adapt to different load requirements and significantly reduce operating costs.

Q8: The company produces so many product categories. How can it ensure professionalism?
A: Core technologies are platformized!
Relying on the modular manufacturing system and the three technical middle platforms of fluid processing, mechanical engineering, and intelligent control, multiple production lines operate to ensure that equipment in all fields reaches the industry-leading level.

Q9: How can I obtain detailed plans and quotations?
A: Four-step rapid connection:
Submit requirements (scenario/parameters/budget);
The technical team will provide a preliminary plan within 24 hours;
Sample experience/factory inspection;
After signing the contract, production will commence.