The Evaporator Manufacturer

Optimize your cold chain with our premium range of cold room evaporator (also known as unit coolers or cooling coils). Engineered for rapid heat transfer and uniform air distribution, these air cooler are the critical component for large maintaining stable humidity and temperature in huge walk-in freezers, large blast chillers, and large refrigerated warehouses.

Core Technology & Design Highlights
 

Advanced Heat Exchange Efficiency of refrigeration evaporator : Featuring corrugated aluminum fins and high-efficiency inner-grooved copper tubes, mechanically expanded to ensure maximum thermal conductivity and reduced energy consumption.

 

Optimized Airflow Management of cooler evaporator: Equipped with low-noise, IP54-protected external rotor fans, providing high static pressure and long throwing distance to ensure even cooling across the entire storage space.

 

Intelligent Defrosting Solutions: Flexible defrost options to suit various applications—choose from electric defrost, hot gas defrost, or air defrost (natural/off-cycle) to effectively eliminate frost buildup and maintain consistent coil performance.

 

Durable & Hygienic Construction: Housings made from corrosion-resistant aluminum alloy or white-coated galvanized steel (optional stainless steel available), designed to withstand harsh, humid environments while meeting strict food safety standards.

 

Compact Yet Powerful: Large cooling capacity packed into a space-saving footprint, making it ideal for both retrofit projects and new cold room installations.

For cold storage distributors, contractors, engineers, and one-stop sourcing, this is the best choice.

Evaporator Manufacturer

 

Types Of Evaporator

  • Refrigeration Evaporator
    The DL Series Air Coolers Are Suitable For Chiller Rooms At 0℃ And Are Commonly Used For The Preservation And Storage Of Vegetables And Fruits, As Well As The Storage Of Fresh Flowers. Damai Air
    read more
  • Cold Room Evaporator
    The DD Series Air Coolers Are Suitable For Freezer Rooms Down To -18℃ And Are Commonly Used For Frozen Food Storage And Low-Temperature Pharmaceutical Storage. Damai Air Coolers Are Durable,
    read more
  • Unit Cooler Evaporator
    The DJ Series Air Coolers Are Suitable For Blast Freezer Rooms At -25℃, Commonly Used For Quick-Freezing Fish, Meat Storage, Fries, And Pancake Storage. Damai Air Coolers Are Durable, Well-Made, And
    read more
  • Air Cooler
    Dama air coolers utilize a state-of-the-art piping design to achieve maximum refrigerant flow and uniform distribution within the unit, resulting in high heat exchange efficiency within a compact
    read more
  • Industrial Cooler
    The DSD Series Air Coolers Are Suitable For Cold Storage Rooms With A Temperature Of -18℃ And Are Commonly Used For Cooling Food In Workshops And Cold Storage Facilities. Damai Air Coolers Are
    read more
  • Cooler Evaporator
    The DSL Series Air Coolers Are Suitable For Cold Storage Rooms With A Temperature Of 0℃ And Are Commonly Used For Cooling Food In Workshops And Cold Storage Facilities. Damai Air Coolers Are Durable,
    read more
  • Air Blast Freezer
    The DJ-S Series Air Coolers Are Suitable For Blast Freezer Rooms At -25℃, Commonly Used For Quick-Freezing Fish, Meat Storage, Fries, And Pancake Storage. Damai Air Coolers Are Durable, Well-Made,
    read more
 
Diverse Application Range
 
01/

Medium Temperature (Cooling Mode): Perfect for fresh produce, dairy, and beverage storage (+10°C to -5°C).

02/

Low Temperature (Freezing Mode): Suitable for frozen meat, seafood, and ice cream storage (-18°C to -25°C).

03/

Industrial Blast Freezing: Customized solutions for rapid core temperature pull-down.

04/

Technical Parameters (Customizable)

05/

Capacity Range: 1kW to 1000kW+

06/

Refrigerants: Eco-friendly options available (R404A, R507A,R22……)

07/

Fin Spacing: Standard (4-6mm) / Wide (8-12mm) for high-humidity or high-dust environments

08/

Motor Voltage: 220-240V / 380-415V, 50Hz/60Hz

Why choose us

Quality Assurance

In our organization there is a team of experts who always inspect the quality of the manufactured products. From start to the last stage of packaging, they give their best efforts to meet the quality standards. Thus we ensure about the durability, energy efficiency and impulsive nature of our delivered products at all times.

 

OEM/ODM Service

Cold storage projects designing and installation, can supply one -stoppurchase, OEM, ODM service for domestic and abroad clients, wesupport customized service.

 

Excellent Service

Our professional sales team can reply to your inquiry within 5-10 minutes during working hours and within 24.

 

 

DD Type Ceiling Air Cooler Technical Parameters

Fin Space:6.0mm

Serial Number

Model

Refrigeration Capacity

Nominal Area

Olume

Inlet/Outlet Tube Of Refrigerant

Fan Parameter

Electric Defrost

Number

Fan Diameter

Voltage

Power

Air Volume

Range

Defrosting Power Of Fins

Power Of Defrosting Pan

W

L

Mm

N

Mm

V

W

M³/h

M

W

W

1

DD-1.2/7

1225

7

1.4

φ12/φ19

1

300

380/220

75

1563

8

1200

600

2

DD-2.8/15

2825

15

2.7

φ12/φ19

2

300

380/220

2×75

3126

8

2400

1200

3

DD-3.7/22

3700

22

3.5

φ12/φ19

2

350

380/220

2×129

4580

8

2400

1200

4

DD-5.3/30

5300

30

5.8

φ16/φ22

2

400

380/220

2×180

6800

10

2400

1200

5

DD-7.0/40

7000

40

7.6

φ16/φ22

2

400

380/220

2×180

6800

10

3000

1500

6

DD-11.2/60

11200

60

10.1

φ19/φ32

2

500

380

2×414

11000

15

6000

1500

7

DD-14.9/80

14900

80

13.5

φ19/φ32

2

500

380

2×414

11000

15

6000

1500

8

DD-18.7/100

18700

100

17.3

φ25/φ40

3

500

380

3×414

18000

15

8000

4000

9

DD-22.3/120

22300

120

19.6

φ25/φ40

3

500

380

3×414

18000

15

8000

4000

10

DD-26.2/140

26200

140

22.7

φ25/φ48

4

500

380

4×414

24000

15

9600

4800

11

DD-29.8/160

29800

160

25.8

φ25/φ48

4

500

380

4×414

24000

15

9600

4800

12

DD-37.2/200

37200

200

32.2

φ25/φ50

4

500

380

4×414

24000

15

11000

4800

13

DD-48.4/255

48400

250

41.9

φ28/φ54

4

550

380

4×600

32000

15

16800

4800

14

DD-57.9/310

57900

310

51.6

φ28/φ54

4

600

380

4×780

36000

15

21600

4800

 

Cooler Evaporator

Advantages of Evaporator

 

 

Water Recovery

Evaporators are highly effective in recovering water from solutions, contributing to water conservation efforts. They help industries reuse water and reduce overall water consumption.

Concentration of Solids

One of the primary purposes of evaporator is to concentrate solutions by removing water. This is particularly valuable in industries where a higher concentration of solids is required for further processing. With the right evaporators supplier avail of the best services.

Energy Efficiency

Many modern evaporators are designed with energy-efficient features, such as multiple-effect systems and thermal vapor recompression, which minimize energy consumption. This can result in financial savings as well as environmental advantages.

Versatility

Evaporators are versatile and can be adapted to handle various types of liquids, including corrosive or heat-sensitive solutions. This flexibility makes them suitable for a wide range of industrial applications.

Reduced Environmental Impact

By facilitating the reuse of water and concentrating solutions, evaporator contribute to the reduction of wastewater discharge and the overall environmental impact of industrial processes.

Types of Evaporator
 

Falling Film Evaporators
We use falling film evaporators in industries where gentle heat treatment and short residence time are crucial. These evaporators distribute the liquid evenly over the inner surface of vertical tubes. The liquid forms a thin film, which flows downward under the influence of gravity. As it descends, the liquid heats up, causing the solvent to evaporate.

 

Thin Film Evaporators
We design thin film evaporators, also known as wiped film evaporators, for the efficient evaporation of highly viscous and heat-sensitive products. These evaporators form a thin film of the liquid on a heated surface. A rotating wiper or blade spreads the liquid into a thin film, enhancing heat transfer and preventing fouling.

 

Forced Circulation Evaporators
We recommend forced circulation evaporators for handling solutions with a high tendency to scale or crystallize. These evaporators use a pump to circulate the liquid through a heat exchanger, where it heats up before entering the evaporator body. The heated liquid then flashes into vapor, and the process repeats.

 

Wiped Film Evaporators
We specialize in wiped film evaporators for processing high-viscosity and heat-sensitive materials. These evaporators use a rotating wiper to spread the liquid into a thin film on the heated surface. The thin film allows for rapid evaporation and minimizes thermal degradation.

 

Agitated Thin Film Evaporators
We use agitated thin film evaporators for highly viscous and foaming liquids. These evaporators include additional mechanical agitation, which enhances the heat transfer and evaporation rates.

 

Multi-Effect Evaporators
We design multi-effect evaporators to improve energy efficiency by using the vapor generated in one effect as the heating medium for the next effect. These evaporators consist of multiple stages or effects, where each subsequent effect operates at a lower pressure.

 

Rising Film Systems
Rising film systems are ideal for liquids that tend to foam. In these devices, the liquid is introduced at the bottom of the vertical tubes and heated. As it heats up, vapor forms and pushes the liquid upward, creating a thin film that evaporates quickly.

Uses of Evaporators

 

Treatment of Wastewater

Evaporators play an important role in industrial wastewater management by reducing liquid waste volume and recovering reusable water.

01

Food and Beverage Industry

Evaporators are intended to concentrate liquids in overall applications which include, but are not limited to, the treatment of milk and juice while preserving nutrients and reducing storage and transportation costs.

02

Chemical Manufacturing

Evaporators serve to concentrate and purify chemicals, without which quality end products would not exist.

03

Pharmaceutical Industry

Evaporators are concerned in the medicine industry for drug-making processes where they are used to accurately concentrate solutions for ideal properties for their medicinal use.

04

Desalination Plants

Gives fresh water for consumption and industrial requirements, and purifies seawater by removing salt and impurities from it.

05

 

Packaging & Shipping

 

We have experienced forwarder(DHL,FEDEX,UPS,TNT...) agency to shipment,so the most competitive price can be supplied if you're prefer.
Of course,you can select what you appointed courier to shipment. 

 

productcate-539-342

 

FAQ

Q: What is the function of an air cooler?

A:The primary function of the evaporator in the refrigeration system is heat absorption. It removes heat from the inside of a wlak in freezer or a conditioned space, thereby lowering the temperature. The efficiency of this heat transfer process is crucial for the overall performance of the refrigeration cycle.

Q: How to choose evap cooler?

A: Once the cold storage dimensions are determined, our engineers will help confirm the required cooling capacity, and then a suitable model can be matched.

Q: What is an evaporator in cooling room?

A:An evaporator coil absorbs heat from the air inside your home as part of the cooling process. Located in the fan coil , it contains refrigerant that evaporates as it absorbs heat from the air passing over the coil. This cools the air, which is then circulated throughout your cold room by the blower fan.

Q:How do I know if my evap cooler is bad?

A: Look out for these red flags: Warm air blowing from your vents: If your system is running but not cooling, a faulty coil might be the culprit. Frequent cycling or constant running: An inefficient coil can cause your system to overwork itself, leading to higher energy usage.

Q: What is an industrial cooler in a walk in cooler?

A: The evaporator is the heart of the cold room storage refrigeration system, responsible for cooling the air and maintaining a low temperature in hot weather. By converting liquid refrigerant into a low-temperature gas, the evaporator removes heat and lowers the air temperature to the required temperature for the cold storage, thus keeping our goods fresh.

Q: Can evaporators handle heat-sensitive materials?

A: Yes, certain types, like falling film and thin film evaporators, are designed to handle heat-sensitive materials effectively.

Q: How much does evap air cooler replacement cost?

A: The cost of replacing an evaporator coil is generally under $100, with most homeowners paying an average of $1,350 for labor and refrigerant. Costs vary significantly depending on the coil type: the average cost for a Type A coil is $1,300, for a Type N or Z coil it's $1,550, and for a H Type unit it's approximately $1,200.

Q: Can an freezer room evaporator be repaired?

A: If the evaporator coil has only a small leak, your technician may be able to patch it. However, for extensive corrosion and other major damage, it's often inefficient and sometimes impossible to repair the coil. If this is the case, your refrigeration unit can advise you on the most efficient option.

Q: How often should cold room freezer evaporator be replaced?

A: Typically, an evaporator coil should last between 15 to 20 years with proper maintenance. However, factors like usage, maintenance, and environmental conditions can affect its lifespan. If your coil is over a decade old and causing issues, it might be time to consider replacement.

Q: Can I replace just the cold freezer room evaporator?

A: Yes, you can replace only the evaporator coil without replacing the entire cold storage refrigeration unit. However, it's important to ensure the new coil is compatible with your existing system. Replacing just the coil can be a cost-effective solution if the rest of the unit is in good condition and relatively new.

As one of the most experienced evaporator manufacturers and suppliers in China, we also support custom service. Please feel free to wholesale high quality evaporator made in China here from our factory. Welcome to view our website for more information.

cold room evaporator unit, evaporator, unit cooler
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