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laboratory-chiller

Laboratory Chiller

 Laboratory chiller used in laboratory

What is laboratory chiller?

Laboratory chiller, also known as chiller lab equipment, or lab scale chiller, is a kind of cooling water equipment that can provide constant temperature, constant flow, and constant pressure. This kind of laboratory equipment cools materials down by removing heat from a liquid via a vapor-compression or absorption refrigeration cycle. Years ago, experimenters relied on materials like water, ice, dry ice, and liquid nitrogen for quick and easy water cooling in the lab. Though these methods were cost-effective, they were not so convenient. Therefore, laboratory water chiller has become more and more commonplace in labs for its convenience and accuracy.
lab-chiller

Types of laboratory chiller

In terms of temperature control, laboratory chillers can be broken down into low-temperature chillers and room-temperature chillers.
Lab ChillerTemperature Range
Low-temperature chiller0℃ to 35℃
Room-temperature chiller-100℃ to 0℃
Lab chiller units are refrigerant systems that aid in cooling residential or commercial spaces, machines, industrial operations, and industrial chemicals. These units are energy-efficient, cost-efficient, and time-efficient. Without these systems, it is hard to achieve operating objectives sometimes.

Industrially, lab chillers are usually divided into water-cooled and air-cooled according to the condensers. They all belong to the system of vapor compression chillers. These two different chillers can facilitate the transfer of the latent heat given up as the refrigerant changes from vapor to liquid. There are different benefits to each cooling option beginning with a water source to space and environment so it often depends on the situation as to which chiller is best suited.

Water-cooled Chiller

water-bath-chiller
Water-cooled chillers equip a water-cooled condenser connected with a cooling tower. They have commonly been used for medium and large installations that have an adequate water supply. Water-cooled chillers can produce a more consistent performance for commercial and industrial air conditioning due to their relative independence from ambient temperature fluctuations. Water-cooled chillers range in size from small 20-ton capacity models to thousands of tons of models that cool the world’s largest facilities such as shopping malls, airports, and other facilities.

The typical water-cooled chillers use circulating condensates from a cooling tower to condense the refrigerants. Water-cooled chillers contain refrigerant that depends on the temperature (and flow rate) of the water entering the condenser as a function of the ambient wet-bulb temperature. Since the wet-bulb temperature is always lower than the Dry Bulb temperature, the refrigerant condensing temperature (and pressure) in a water-cooled chiller is always much lower than when an air-cooled chiller is operating. As a result, water-cooled chillers can operate more efficiently.

Water-cooled chillers are usually located indoors in an environment protected by the elements. Hence, water-cooled chillers can provide a longer service life. Water-cooled chillers are typically the only option for large installations. Additional cooling tower systems will require additional installation and maintenance costs as compared to air-cooled chillers.

Air-cooled Chiller

laboratory-water-chiller
Air-cooled chillers rely on condensers that are cooled by ambient air. Therefore, air-cooled chillers may find common application in small or medium-sized installations where space constraints may exist. In situations where water is a scarce resource, air-cooled chillers are the most practical choice.

A typical air-cooled chiller can be equipped with a propeller fan or a mechanical refrigeration cycle to draw ambient air into the finned coil to condense the refrigerant. Condensation of refrigerant vapor in the air-cooled condenser is capable of transferring heat to the atmosphere.

Air-cooled chillers have the significant advantage of lower installation costs. Maintenance is also simpler because they are relatively simple compared to water-cooled chillers. Air-cooled chillers will take up less space but are primarily located outside the facility. Therefore, the outdoor elements will affect their functional life.

Air-cooled chillers reduce maintenance costs because of their all-inclusive nature. Their relative simplicity combined with reduced space requirements yields significant advantages in many types of installations.

Water bath chiller

A water bath is a method of heating in the chemical laboratory using water as the heat transfer medium. As the boiling point of water is 100°C, this method is suitable for heating temperatures below 100°C.

The recirculating water bath chiller is a water supply system that changes cooling water into hot water and cools it down again for recycling usage. It is very widely used in labs.
lab-water-chiller

Small lab chiller

With the continuous development and popularity of life science laboratory products, various scientific instruments, small industrial equipment, and other ancillary products have also been developed by leaps and bounds. Small lab chillers are products that have been developed based on demand and supply in the market. The role of a small lab chiller is to take away the heat generated by scientific instruments, small industrial equipment, and other products through the relatively low temperature of the water so that the temperature of parts of scientific instruments, small industrial equipment, and other products is maintained at a lower level.
laboratory-recirculating-water-chiller

Working principles of laboratory chiller

The refrigeration process of the laboratory recirculating water chiller absorbs the heat of the cooled material in the evaporator and vaporizes it into steam. The compressor continuously pumps the generated steam out of the evaporator and compresses it. The compressed high-temperature, high-pressure steam is sent to the condenser and condensed into a high-pressure liquid by exotherm to the cooling medium (such as water, air, etc.). After the throttling mechanism lowers the pressure into the evaporator, again vaporized, absorbing the heat of the cooled object. Cycle repeats. When heating, the refrigerant changes the direction of refrigerant flow through the four-way valve, and the direction of refrigerant flow is just opposite to that of refrigeration, the refrigerant first passes through the evaporator, then returns to the condenser, and finally returns to the compressor.

Function of laboratory chiller

Reliable laboratory chillers are critical for many laboratory applications. Therefore, laboratory coolers can be found in almost any research laboratory. A lab water chiller has many important uses in the laboratory and offers many advantages over other cooling options.

Enhanced accuracy
One of the main reasons that lab recirculating chillers are so important in the laboratory is that they can help ensure the accuracy of an experiment or test. Even if there is only a single degree of variation, environmental factors such as temperature can affect the results of a study. By accurately ensuring the exact temperature, lab chillers play a key role in ensuring that experiments or tests can be completed under the proper conditions.

Improved sustainability of labs
When using cold water to cool samples, large amounts of tap water are required, which can be very wasteful. By providing an alternative to this wasteful practice, lab chillers help make labs more sustainable. Lab chillers are an increasingly important type of equipment as labs become more concerned about how much water they use and how wasteful practices can negatively impact the environment.

Cost savings
One of the main reasons why a lab water chiller is such an important form of laboratory equipment is because of the cost savings it can provide. Because they do not require large amounts of fresh water to cool samples, lab coolers can save tens of thousands of gallons of water per week, which represents a significant amount of money. As a result, the use of lab coolers can yield a very short payback and long-term savings.

Increased convenience
Unlike other traditional cooling methods such as water, dry ice, liquid nitrogen, and ice which are cumbersome to use, chillers provide a consistent and reliable source of liquid coolant. Thus, laboratory chillers offer unparalleled convenience, which is invaluable for busy laboratories.

Improved safety
Lab recirculating chillers are important for the protection of laboratory workers. If chemicals or other substances used in experiments are not placed at precise temperatures, they may react differently. To prevent accidental and potentially dangerous reactions, it is important to use laboratory coolers to control experimental temperatures and protect the safety and health of scientists.
lab-chiller-unit

Precaution of laboratory chiller

a. Before installing or operating the machine, make sure that the operators have read the manual and fully understand the contents and some of the precautions listed in the manual.

b. In the process of handling the machine, it should be handled gently, otherwise it is easy to cause the loosening of the internal parts of the machine, leading to failure.

c. Please pay attention to all warning labels.

d. Do not remove the warning label.

e. Do not turn on the machine when there is no coolant in the machine tank.

f. Before servicing or moving the machine, be sure to disconnect the power from the live power cord.

g. Professional repair and maintenance only.

How to buy laboratory chiller?

ANTITECK provide lab equipment, lab consumable, manufacturing equipment in life sciences sector.
If you are interested in our laboratory chiller or have any questions, please write an e-mail to info@antiteck.com, we will reply to you as soon as possible.


    AntiTeck Life Sciences

    A1-519, XingGang GuoJi, Yingbin Road, Huadu, Guangzhou, China, 510810
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