Fermentation Chiller is a specialized cooling device used to maintain the optimum temperature for fermentation. It uses an electrochemical mechanism and glycol for producing cooling and removing extra heat.
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It aids in regulating temperature in a narrow range with less electricity and power consumption. Thus, it is an economical and convenient cooling device for several industrial applications.
As fermentation is a process by the anaerobic respiration of anaerobic bacteria, it needs a specific temperature to keep going.
Anaerobic bacteria undergo gaseous exchange and produce ethanol which is the product of fermentation. The final products include alcohol, beer, wine, etc.
Any change in the optimum temperature affects the fermentation product's flavor and quality; therefore, temperature regulation is a crucial step in this process.
Fermentation Chiller's major applications include wineries, breweries, food industries, and distilled spirit production factories. The fermentation process is exothermic, and the resultant heat must be removed for better results.
Fermentation Chiller Manufactured by TopChiller
The main features of a Fermentation Chiller are stated below:
The significant components of a Fermentation Chiller work in harmony to regulate the system's temperature. The main components are mentioned below:
Refrigerant Reservoir
Depending upon the size of the chiller, the refrigerant reservoir comes in various capacities, generally proportional to the size and usage.
The body and lining of the reservoir are constructed of high corrosion and damage-resistant material so that there is no contamination in the refrigerant.
It comes with calibration and an alarm indicator that helps monitor the refrigerant level.
Compressor
It is a heavy duty device that increases the pressure of the refrigerant, thus forcing it through the entire system of the Fermentation Chiller. There are several types, and each one has its specifications.
Distribution Unit
It comprises all the tanks, reservoirs, and pipes of different sizes that supply the fluids to the system.
Whether it be the water or the refrigerant, the destruction unit must be patent and leakage-free to maintain a steady supply.
Control Panel
It works as a brain and central monitoring system for the programming and operation of your Fermentation Chiller.
It comes with a remote-controlled system, an LCD screen, a set of alarm indicators, and a proper calibration system.
You can also set the required temperature on the thermostat unit, directly controlled by the control panel.
Evaporator
It deals with the cooling process obtained through evaporation. The refrigerant is allowed to evaporate so that the transition in the physical state from liquid to gas can take away some energy from the system in the form of heat.
The evaporated refrigerant is passed on to the distribution system and the condenser for further processing.
Condenser
It uses air and water to remove heat from the refrigerant, which flows through its coil. The coils are made up of high-quality metal which has good conductivity.
Expansion Valves
For controlling the flow of refrigerant throughout the system, you need the expansion valves that permit and prevent its flow.
The valves permit the refrigerant to flow back to the compressor within a controlled range by lowering its pressure.
Fermentation Chiller Control Panel
The principle of operation of a Fermentation Chiller is based on heat flow, the transition of the physical state of the coolant, and the boiling point.
The Transition of Coolant Phase
The coolant undergoes change from its liquid state to a gaseous state. This gas is then cooled beyond the supercooling limit to convert it back into the liquid state.
Energy in the form of heat is released and absorbed in this process, which helps maintain temperature.
When heating is required, the heat is absorbed, and when cooling is required, the heat is dissipated to the environment.
Flow of Energy
As heat flows from a higher concentration level to a lower concentration, the ambient temperature is maintained in a controlled range.
Boiling Point
When the pressure on the glycol is reduced, the boiling point also decreases.
However, on applying higher pressure, the boiling point is also raised. Thus a liquid has a higher boiling point than the gaseous state.
Step 1
As the refrigerant glycol is compressed, the space between the particles reduces, and pressure increases.
The high pressure compels the molecules to gain higher speed, and they tend to come closer. The coolant is now forced to flow through the refrigeration system.
Step 2
The coils containing the refrigerant are in direct contact with the fermenter fluids. When the fermentation process takes place and releases heat, the heat is transferred to the coils, thus raising the temperature of the coolant.
Step 3
The condenser is responsible for converting the high-temperature, low-pressure gaseous refrigerant into a liquid state by applying the phenomenon of supercooling.
This process takes place when the refrigerant flowing through the condenser coils loses its heat to the ambient air or chilled water surrounding the coils.
The phenomenon of thermal exchange takes place at this stage.
Step 4
The expansion valves allow the refrigerant to expand, thus reducing its heat and transferring it to the ambient air. In this way, the heat is completely taken out of the whole system.
Step 5
The refrigerant is returned to the compressor, where the whole cycle takes place over and over again. It is a self-sufficient process that does not need any external help.
However, motors and fans enable you to obtain faster and better results as the heat exchange becomes more efficient and fast.
A Fermentation Chiller provides many benefits that help you obtain maximum productivity from your application. Some of these are explained below:
Maximum Efficiency
As glycol is an efficient coolant and produces excellent results when used in the refrigeration cycle, it makes the chiller highly efficient.
It has a low boiling point, and therefore, the temperature regulation becomes quite convenient.
Variety
There is an extensive range of capacities, sizes, and models for you to choose from.
You can pick the one according to the preference of your application. There's a choice between a mobile and stationary type as well.
Durability
Due to its stainless steel body and highly resistant coating are safe against the damaging agents like corrosion and oxidation.
The increased tensile strength allows it to endure high pressure and resist mechanical damage. It lasts for many years
Easy Operation
The control panel can be operated with great convenience, and you can operate it from a remote site as well.
You can set all the variables at a set value, and any deviation from the set range would initiate the ringing of an alarm.
The alarm indicates that something has gone wrong and seeks the operator's attention.
In this way, you can keep a strict check on the operation. It is crucial for the quality of the fermentation product and the productivity of your application.
The essential agent used in a Fermentation Chiller is glycol as a coolant. It has all the coolant properties and, therefore, produces excellent results when used in the chiller. It is a much better choice than water.
The main properties include:
Higher Heat Retention
As compared to water, glycol is a more efficient heat holder as it can absorb higher amounts of heat for maximum time. This property helps in producing cooling in the system.
Lubrication
It acts as a lubricant and reduces the friction between the sliding parts. This is also a way of reducing heat production and interference in the normal working of the system.
Performance in Extreme Temperature
Due to its antifreeze properties, glycol does not freeze quickly and keeps flowing through the coils.
This keeps the refrigeration cycle running even at very low temperatures where all other coolants freeze and cause obstruction in the normal flow.
It also helps you save on the money spent on purchasing antifreeze for your Fermentation Chiller.
Easily Available
Glycol is easily available in the market. The price is also affordable, and it does not require frequent changes like other coolants. It is pretty easy to maintain its level for an extended period.
Fermentation Chiller is used in the following industries:
Fermentation Chiller controls the temperature to allow maximum fermentation, which directly increases productivity.
Any change in the optimum temperature can lead to time waste, ingredients, and money because of the failed fermentation process.
Restores the True Flavor
You can obtain the most appropriate flavor and highest quality fermentation product with precise temperature control.
Fermentation Chiller Applications
It is essential to check the quality of your Fermentation Chiller because you cannot take a risk by investing in a device that is not up to the mark.
To check the quality, you must keep the following factors in mind:
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Factory Testing
Always go for factory testing because it helps assess your chiller's performance in variable external conditions.
Annual Testing
Annual testing is also required to detect any fault and evaluate the normal function of the Fermentation Chiller.
Certifications
Following certifications must be present for ensuring the maximum performance:
Fermentation Chiller Factory Testing
Accurate temperature regulation is an essential factor in the performance of a Fermentation Chiller. It can be improved by using the tips and tricks:
Use a Thermometer
A thermometer provides you with accurate temperature measurement, thus making the temperature regulation more precise.
The thermometer reading can be used to adjust other conditions like pressure and humidity for the process occurring in the Fermentation Chiller.
It also helps you keep a record and assess the performance accordingly.
Temperature Sensors
These advanced sensors work by detecting any slight change in the temperature. Improving the chiller's performance becomes easier when the slightest change is indicated and reported.
The sensors produce output through an alarm or a light.
Automated Systems
The sensors and the automatic detection and correction help you obtain uninterrupted performance.
Proper Maintenance
By keeping a record of the maintenance routine, you can compare and assess the chiller's efficiency with changing external factors and any other influences.
Refrigerant Level Monitoring
Lower refrigerant levels tend to lower the efficiency as well as affect the overall life of the chiller.
The refrigerant quality and life is also an essential factor. Always use the one that does not cause pollution and does not affect the environment.
Fermentation Chiller Temperature Sensor
To obtain the highest efficiency of your Fermentation Chiller, keep the following things into consideration:
Inspection and Monitoring
Carry out a detailed inspection and monitoring routine after every month. It shall be more elaborate if conducted annually.
You must keep a record of each evaluation to assess the effect of various external factors and other conditions on the performance of the chiller.
Certification
Make sure you go through all the necessary certifications. It helps maintain your Fermentation Chiller and detects any damages and leakages at an early level.
Distribution System Cleaning
Any dirt, mold, debris, fungus, or chemical accumulation in the pipe can lead to semi and complete obstruction. It hinders the normal refrigeration cycle and reduces the efficiency to a great deal.
By providing clean water and good quality coolant, you can reduce this problem.
You must carry out a vacuum and cleaning routine to maintain the patency of your distribution system.
Lubrication
When two surfaces slide against one another, heat is produced, and both the parts undergo erosion, which causes irreversible damage to the system.
Therefore it is essential to lubricate all parts. Also, the heat released can significantly reduce the efficiency as it interferes with the normal function.
Damage Repair
The damaged and broken parts must be replaced soon as they are detected. It prevents your system from long-term damage.
Fermentation Chiller Inspection
The air-cooled and water-cooled Fermentation Chiller can be differentiated on the following terms:
Usage of Water
The water cooled type uses a steady supply of chilled water, which flows around the condenser coils and allows heat transfer. It requires a cooling tower and water tank.
The air cooled type uses a constant ambient air flow for heat exchange purposes. It is equipped with motors and fans that provide a constant air currents supply.
Site of Installation
Water cooled type can be installed indoors while its cooling tower is outdoors. At the same time, the air cooled type works best in the outside environment where it receives sufficient ambient air and good ventilation.
Noise and Vibration
Although both types of Fermentation Chillers are equipped with mechanisms to control the noise and vibration, the water cooled type produces less noise as compared to the other.
Water Cooled Fermentation Chiller
The most suitable compressor types for your Fermentation Chiller include the following:
Scroll Compressor
It provides continuous compression force to the coolant with the help of one fixed and one orbiting scroll. It is efficient enough to deal with high cooling loads.
Screw Compressor
It works by trapping the coolant with the help of two rotors in the compression casing. The other name of the screw compressor is the rotary compressor. It works best for medium cooling loads.
Centrifugal Compressors
It depends on the centrifugal force for the compression of the coolant. The most suitable applications include those having low to moderate cooling loads.
Fermentation Chiller Screw Compressor
The capacity of a Fermentation Chiller refers to the ability to produce sufficient temperature regulation for a certain application. Various categories work against the given cooling loads.
The average capacity ranges from 10KW to 280KW. It depends upon the size, type of compressor, and refrigerant choice.
For maximum performance, maximum capacity must be reached. Therefore the choice of Fermentation Chiller is made according to the demand of the application.
The capacity can be sufficiently increased by connecting multiple units in a series. It can be done in case of highly high cooling loads.
The sizing strategy of your Fermentation Chiller involves the following factors:
Application Demand
The greater the cooling loads, the greater the need to displace the heat and the greater the size of the chiller.
If it is to be used in an industry where a whole batch of the product depends on the chiller function, the size shall be considered beforehand.
Available Space
The size dramatically depends upon the site of installation and the available space. Indoor Fermentation Chiller occupies less space than outdoor ones.
Also, the portable type can be easily transported from one place to another and does not occupy any considerable space.
Capacity
If the chiller's capacity is low, it is obvious to have a smaller size compared to the one with a higher capacity. There shall be room for fans and additional motors as well.
There is a considerable change in the performance of a Fermentation Chiller with the use of glycol only and the use of a mixture of glycol with water.
Although the cooling mechanism of water and glycol is very different, the mixture of both helps achieve better results as the favorable properties add up.
Water boils at a lower temperature and brings the system's temperature to a lower level than the glycol.
If water is used alone, it can freeze in the coils and lead to complete blockage and cracking of the coils. Also, water is an unstable compound and tends to cause corrosion in the distribution system.
Thus the antifreeze and anti-corrosion properties of glycol allow you to have a more stable and long-lasting coolant.
The glycol water mixture contains 60% of glycol in proportion to 40% water. This ratio is most suitable for antifreeze properties to manifest at their best.
Using this proportion, you can eliminate algae and bacterial growth in the very common distribution system. 1-2% glycol is toxic to bacteria and algae.
However, if it is at 1%, it promotes the growth of bacteria, and therefore it must be regulated strictly.
The installation instructions for your Fermentation Chiller are as follows:
Fermentation Chiller Piping Installation
The common problems regarding the Fermentation Chiller and their solutions are as follows:
Failure to Turn On
Reasons
Solution
Defective Pumping
Reasons
Solution
Poor Cooling
Reasons
Solution
Fermentation Chiller Troubleshooting
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