180 Ton 600KW Air Cooled Screw Chiller

180 Ton 600KW Air Cooled Screw Chiller

An air-cooled chiller is a cooling device that removes heat from a liquid through a vapor compression cycle. Air-cooled chillers are cooled directly by mechanical circulation of ambient air directly through the chiller's condenser coil, expelling heat to the atmosphere. There are two types of air-cooled chillers: air cooled scroll chillers and air cooled screw chillers. Scroll compressors are used on smaller air-cooled chiller from 1/2 ton to 60 ton, and screw compressors are used on larger air-cooled chiller from 30 ton to 250 ton, with variable speed drive options for increased efficiency.180 Ton 600KW Air Cooled Screw Chiller is with big cooling capacity ,equipped with TWO units semi-hermetic hanbell screw compressor using R407c, R22, R134a, and R404a are all available depending on the screw chiller working condition, application requirements, and ambient temperature, shell and tube heat exchanger,expansion valve and air-cooled condenser. It is widely used in many industries and application such as :plastic industry like injection molding machine ,extrude machine,blowing molding machine , chemical process,food and beverage process like daily milk cooling,which can generate chilled water temperature between 5 ℃ to 20 ℃.

As a China top manufacturer and supplier of air cooled screw chiller over 15 years, Tongwei has exported various air cooled screw chillers cooling capacity from 40Ton,50Ton,80Ton and 150Ton to the USA, Canada, Philippines, Australia, Malaysia, Singapore, Indonesia, Chile, Mexico, ,Argentina, Colombia, South Africa, Kuwait, Egypt, Saudi Arabia etc.With many years of refrigeration experience, we guarantee the production of the best quality chiller machine with amazing specifications, super warranty offers and best after sales service .We can provide not only standard configuration chillers but some other customized products.Please contact us to get the best water cooling solution of your air-cooled screw chiller.

180 Ton 600KW Air Cooled Screw Chiller  Technical Specification MODEL:TW-620ADH

How Does An 180 Ton 600KW Air Cooled Screw Chiller Work?

For air cooled screw chiller, the chiller is with high efficiency shell and tube evaporator , without water tank and water pump inside the chiller ,so it need connect buffer tank and pump outside ,please see blow connection drawing for reference:

180 Ton Air Cooled Screw Chiller with Buffer Water Tank Outside Installation for Reference

Features of Air Cooled Screw Type Chiller

✮Well Known Brand Screw Compressor

Unit adopts Germany BITZER or Taiwan HANBELL brand semi-hermetic screw compressor. The latest 5 to 6 patented screw rotor profile with excellent efficiency.

Adjustable infinite or closely stepped capacity control, features energy efficient, stable and quiet running. Most advanced patented highest precision manufacturing process.Built-in full intelligent monitoring and protection including thermal motor temperature monitoring, phase sequence monitoring, manual reset lock-out, oil temperature sensor.

Wide range of refrigerant for option, including R134A, R407c and R22(R404A upon request).

✮Microprogramming Control System

Industrial PLC centralized control combined with compressor capacity control system, precisely monitor. Integrated protection for low temperature, high/low pressure, anti-freezing, phase missing, anti-phase, overload, motor over temperature, oil differential, flow switch, start up latency.

Optional operation language, menu leading, unit running state easy to adjust.

✮Easy Installation, Reliable Running

It no need connect with cooling tower

Closely stepped start-up, minimize impact to electricity.

Steady and safe running, low vibration, easy for installation.Compact structure, less space demand and light in weight, easy for transport and installation.

Completely wired, inspected and tested pre-delivery, saving installation time and cost.

W-shape aluminum fin type condenser, assuring adequate heat exchanging area within smaller unit size

-High efficient evaporator with internal thread copper tube.-Large air volume axial fan with metal blades. Motor separated from net-cover, fixed on exhaust port by metal Siemens PLC control, LCD touch screen interface.

Standard design charged R22, CFC Free R407C, R410A, R404A, R134A for option.

380V-415V/50Hz 3pH for standard design. Different design on customer’s request such as 220-570v 60hz 3ph for Philippines ,Mexico or USA customers.

What Are The Main Components Of 180 Ton 600KW Air Cooled Screw Chiller

4.1 Compressor

The compressor is the key mover in Air Cooled screw type Chiller because it produces pressure variations to stir the refrigerant around.

For 90 Ton Air Cooled Screw Chiller For Pharmaceutical , which is with ONE unit Hanbell Screw brand or Bizter Screw compressor for optional depends on the required refrigeration capacity, using R407C refrigerant,this brand compress is with high refrigeration efficiency,low noise ,energy saving,environmental protection and durability,safety and stability.

Each screw compressor with 4 steps of energy control 25%-50%-75%-100% to make sure the whole screw chiller is stable and guarantee high refrigeration performance.

Hanbell Screw Compressor

Bizter Screw Compressor

4.2 Evaporator

The evaporator is a crucial component of screw compressor chiller, as it is responsible for extracting heat from the liquid being cooled,it is located between the compressor and the expansion valve. Screw compressor Chiller Uses highly efficient closed loop shell and tube type heat exchanger as the evaporator.

Shell and Tube Evaporator

5.3 Condenser

The condenser for air cooled screw chiller is equipped with efficient cross-seam fins and female threaded copper tubes for high heat exchange efficiency and good stability.Its function is to cool down the refrigerant steam released from the compressor into a liquid or gas-liquid mixture.

Aluminum fin+fan Condenser

5.4 Controller Panel

Tongwei chillers use Integrated PLC control system with human-computer interface and big LED touch screen panel.

PLC Controller Panel

How I can Choose the Right Air Cooled Screw Chiller?

There are five important chiller specifications you need consider when you choose a chiller for your application :the cooling capacity for chiller ,the voltage required for operation, the associated pump horsepower and flow rate (contact us for custom selection), refrigerant, and the evaporator type.

5.1 Calculate Right Cooling Capacity For Chiller

One of the most frequently ask about how we can know the cooling capacity for chillers.  We use KW ,Ton, But/h,Kcal/h to choose chiller cooling capacity :1 KW=860 kcal/h ;  1 TON=3.517 KW;

1 KW=3412 Btu/h;

There is also a formula to calculate the cooling capacity for chiller:.

Cooling Capacity(kw)= Flow Rate(m3/h)*Temp Change(T1-T2)/0.86

Heat Load= C(specific heat)* M(quality output per hour )*Temp Change(T1-T2)

Oversize the chiller by 20% Ideal Size in KW = KW x 1.2

Noted : T1:Incoming Water Temperature (℃)      T2:Required Chilled Water Temperature(℃)    

For example, what size of chiller is required to cool 10m³ water from 35°c to 15 °c in 1 hour?

Temperature Differential = 35℃-15℃=20℃

Water Flow Rate = 10 m³/hour

Cooling Capacity in KW = 10 x 20 ÷ 0.86 = 232 KW

Oversize the chiller = 232 x 1.2 = 278.4KW

278.4 kw cooling capacity for chiller is required.

5.2 Power

Different countries and regions have different standards for industrial electricity, the common power supplies are 208-230V, 380-420V,440-480V,50Hz or 60Hz, 3phase.

Such in Philippines ,the power supply is 220V 60HZ 3PH , 380V 60HZ 3PH ,460V 60HZ 3PH;

in Singapore and Malaysia ,the power supply is 415V 50HZ 3PH;

in Mexico ,the power supply is 220V 60HZ 3PH;

In USA ,the power supply is 208V 60HZ 3PH;575V 60HZ 3PH;480V 60HZ 3PH and so on

5.3 Refrigerant

R22, R407C, R404A, R134A are optional choices.

R22: good cooling effect, but R22 is considered a powerful greenhouse gas, so it’s forbidden in most countries.

R407C: a good replacement for R22, good cooling effect.

R404A: suitable for application that requires low temperature(below -10°c).

R134A: a non-flammable gas used primarily as a “high-temperature” refrigerant, suitable for air-cooled chiller working at a high ambient temperature above 50℃.

5.4 Evaporator Choose

Air cooled screw chiller generally uses one evaporators: just is shell and tube heat exchanger.Shell and tube type evaporator, which requires an additional water buffer tank to connect.

5.5 Buffer Water Tank Capacity Choose

Buffer tank’s capacity can be customized according to specific needs. It can buffer a larger heat load, store more chilled water .

304 Stainless Steel Water Tank

Spare Part for Air Cooled Screw Chiller

What is the Difference Between Air Cooled Screw Chiller and an Water Cooled Screw Chiller

Air-cooled and water-cooled screw type chillers are both types of screw chillers used for cooling applications in various industries.The main difference between air cooled screw type chiller and water cooled screw type chiller is condenser :

The condenser of an Air-Cooled Screw Type Chiller is cooled by the ambient air,which the heat generated during the cooling process is dissipated into the surrounding air;

Water Cooled Screw Type Chiller with a shell and tube water-type condenser that is attached to a cooling tower and is typically used in medium and wide installations where water is available.So Water cooled screw chiller need connect with water cooling tower and water cooling pump outside , the installation is more trouble than air cooled screw chiller .

But if your ambient temperature is very high above 50℃,we suggest you use air cooled screw chiller ,as air cooled screw chiller may consume more energy to achieve the same cooling capacity due to the limitations of air as a heat exchange medium and water cooled screw chiller uses constant water source for more stable and efficient heat dissipation,so in high ambient temperature , water cooled screw chiller is more energy-efficient and better choice for your application .

Water Cooled Screw Chiller

Industrial Applications of Air Cooled Screw Chiller

Air-cooled screw type chillers are very popular refrigeration system that can provide steady and reliable water cooling sources for both industrial and commercial usage.

Air cooled screw chillers are also widely used in plastic industry,food industry ,chemical industry and Cement/ Concrete Cooling.

8.1 Plastic Industry

Air-cooled screw chillers are also widely used in plastic processing and plastic industry including plastic injection molding, plastic extrude, and extrusion lines, blowing molding machines.

The function of using an air-cooled screw chiller is to provide the cooling water flow rate for cooling the plastic mold temperature down to make sure the product quality and production efficiency.

Air Cooled Screw Chiller For Plastic Industry  

8.2 Food and Beverage Industry

Air cooled screw chillers are an efficient way to cool your products without freezing in the manufacturing vessel. Some examples such as wine fermentation, beer/brewery chiller, carbonated water chillers, and dairy processes have all been enhanced with the use of water-cooled scroll chiller. The water is chilled in the chillers and then flows through closed loop tubes attached to the heat exchanger food and beverage containers. This prevents metal corrosion often found in water and also keeps your product at a consistent temperature. Whether you need the best yeast to keep your wine fermenting or prevent your milk from going rancid, a screw chiller can help you achieve your ideal results.

Air Cooled Screw Chiller For Food Industry

8.3 Chemical Industry

The pharmaceutical industry prepares medicines by processing through different heating and cooling parameters as blending, extrusion, mixing,air cooled screw chiller are cooling machines providing low-temperature cooling water, reduce the temperature of the chemical machinery and pharmaceutical cooling processing.

Air Cooled Screw Chiller For Chemical industry

8.4 Cement /Concrete Cooling

Cement production involves a series of chemical reactions that generate significant amounts of heat.Cement is usually mixed with water to from the material known as concrete whose temperature is to a great extent determined by the water used in the chemical combination of cement aggregates and water.

Screw Chiller for Cement and Concrete Cooling

Shipping Way of 180 Ton 600KW Air Cooled Screw Chiller For Pharmaceutical

As a professional water chiller supplier &exporter,we have our own shipment forwarder to arrange the shipment .Our chiller machine is with plywood packing,which prevent damage during transportation and meet export standards.There are three ways can delivery your chiller unit :

1. Ship by Air: As the chiller is with compressor ,water pump and fans ,the compressed refrigerant and oil inside the compressor is a dangerous item with the possibility of explosion , so it needs to release the compressed refrigerant before transportation. (It means that water chiller without refrigerant when choosing this shipping way. After the machine arrives at your destination, you need to add refrigerant by local professionals. The airline company also request us to provide many documents to prove that the chiller not a dangerous product. The freight cost by air is very high may be higher than the cost of chiller , So By air for delivery is not the mode of transport recommended to our customer.

3. Ship by Sea: The transportation time is longer than by air , but the freight cost is cheap ,and there is no need to add refrigerant after the equipment arrives at the destination.This shipping way is the most suitable mode of transportation for you to delivery your local port.

3.If you have your own shipment container in your other supplier in China, we can help you delivery the chiller machine to your supplier in any city of China .

Why should you choose Tongwei for your air cooled screw chiller supplier?

▪ Experience you can trust

We have been designing and building water chiller for over 15 years. From air cooled chiller to water cooled chillers and everything in between, we have built chillers for nearly every industry and every application.

▪ Fast Quote

Get a quote for your project today! We typically provide a custom quote within 2 hours.

▪ 24/7 customer service

Believe that we will always be by your side. Whether you have a question or need a quote, there‘s always someone answering the phone 24 hours a day.

▪ Durable and reliable machine

Our products are manufactured from high quality materials and we offer a competitive warranty on all  industrial chillers.