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Stainless steel whisky distillers are available in a wide range of types to meet the different needs of end users. They may vary in size, shape, and features, all of which can affect the result and process of distilling liquids.
Pot stills
As a traditional method of distilling whisky, pot stills are usually used to distill malt or grain in batches. Pot stills consist of two main parts: a boiler and a condenser. During the distilling process, the stainless steel pot still whisky distiller heats the fermented liquor to evaporate the alcohol. Then, the evaporated alcohol goes through the condenser and turns back into liquid.
Column stills
Column stills, also called patent stills, are modern stainless steel distillers. They can continuously distill whisky, which makes them suitable for large-scale production. Generally speaking, column stills consist of two vertical columns: an extraction column and a rectifying column. Column stills offer distillers more control over the process, and the whisky produced by them usually has a higher alcohol content.
Hybrid stills
By combining the characteristics of pot stills and column stills, hybrid stills become a unique type of whisky distiller. They are usually equipped with a pot-like base and a columnar part with a rectifying column. This combination provides distillers with greater flexibility and the ability to produce whiskies with various flavor profiles.
Beer stills
Beer stills are often used to distill low wines or fermented products like beer. They usually have a mash tun, a fermented tank, and a still unit. Beer stills allow distillers to produce certain types of grain or malt whiskies.
Material:
The primary material used to manufacture most modern whiskey distillers used in the whiskey making process is food-grade stainless steel, like 304 stainless steel. This is because it is strong and lasting, won't rust, and is easily cleaned. This is ideal because the content of the distiller has to be wholesome when consumed whiskey.
Boiler:
The whiskey distillation process begins with boiling the fermented mash. This is done by the use of a whiskey distiller's boiler, which is the core component of the distiller. Whiskey distillers typically possess a boiler that boasts capacities ranging from a few liters to several thousand liters.
Condenser:
The task of the whiskey distiller's condenser is to cool the vapor until it becomes liquid. When the vapor is cooled, it condenses back into liquid form. Whiskey distillers usually have two types of condensers—worm tubs and coil condensers.
Cooling system:
The purpose of a whiskey distiller's cooling system is to control the temperature of the condensers. It ensures that the condenser's temperature is maintained at a level suitable for the condensation of the vapor. Refrigeration systems or water circulators can be employed as cooling systems for whiskey distillers.
Proper maintenance of a stainless steel whiskey distiller is essential for its longevity, optimal performance, and the quality of the distilled product. Here are some general stainless steel distiller maintenance tips:
Regular Cleaning:
After each distillation, thoroughly clean all parts of the whiskey distiller, including the boiler, condenser, and pipes.
Avoid Abrasives:
While cleaning a whiskey distiller, refrain from using abrasive materials or harsh chemical agents. This could damage the surface of the distiller or result in residual chemicals that could contaminate the distilled product.
Pay Attention to Key Parts:
Key components of the whiskey distiller, such as seals, valves, and filters, deserve special attention and care. Regularly inspect these parts to ensure they are not damaged or clogged. Clean or replace them as needed to maintain a good sealing effect and smooth flow.
Anti-corrosion Treatment:
Consider applying anti-corrosion treatment to the external surface of the whiskey distiller, especially in humid or coastal areas. This can protect the distiller from corrosion.
Stainless steel whisky distillers can be used in a wide range of industries and applications. While, primarily used to manufacture whisky, many countries have adopted different usages of stainless steel whisky distillers in the food and beverage industry, which will be discussed below.
It is crucial to select the right stainless steel whisky distiller to ensure durability, suitability for the distillation process, and compliance with safety and quality standards.
Material Quality:
The material's quality is non-negotiable. Only stainless steel with a specific grade, like food-grade 304 or 316, should be chosen. This not only resists rust but also prevents any harmful substances from leaching into the whisky. When assessing the material, look for a sturdy build and long-lasting performance.
Copper Element:
An element often used in various distillers, copper has notable antibacterial properties and can actively filter sulphur from the fermented mash. However, it is important to note that some stainless steel distillers may incorporate only a nominal amount of copper, primarily to enhance the visual aesthetic of the device. Such distillers may not fully utilize the inherent qualities of copper that are crucial to the whisky distillation process.
Capacity:
The capacity of a whisky distiller, typically expressed in liters, reflects the maximum volume of liquid that can be processed during the distillation procedure. It is a pivotal factor to consider when selecting a whisky distiller, as it establishes the potential output of distilled spirits that can be produced in a single cycle..
Safety Features:
Safety features are of paramount importance in any whisky distiller, as they play a crucial role in preventing potential hazards during the distillation process. These features are designed to mitigate risks and ensure the safe operation of the distiller. When considering a whisky distiller, it is essential to prioritize models that incorporate safety mechanisms such as pressure relief valves, flame arrestors, and temperature monitoring systems.
Distillation Process:
Different types of whisky distillers are designed to facilitate specific methods of distillation. Whether it's pot distillation, column distillation, or any other technique, the choice of distillation process can significantly impact the flavor and character of the distilled whisky.
Some distillers may employ a combination of distillation methods to achieve unique taste profiles. It is important to recognize that each distillation technique brings forth distinct qualities to the whisky.
Ease of Cleaning:
The stainless steel whisky distiller's cleanliness is important for product quality and safety. It ensures that no residues or impurities could affect future distillations linger in the distiller.
Q: How does a stainless steel whisky distiller work?
A: The whisky distiller heats the mash or wash to separate various components based on their boiling points. It then cools the vapor using a coolant to condense it back into the liquid. Finally, it collects the distillate in a separate container.
Q: Is vodka distilled more than once?
A: Yes, vodka can be distilled up to five times to attain a higher level of purity.
Q: How long does it take to distill whisky?
A: The actual whisky distilling process takes about 3 to 5 days. However, the entire process from mash to bottling can take several years to decades.
Q: What is the difference between a pot and column stainless steel whisky distiller?
A: Pot distillers have a traditional shape with a round base and an elegant neck. They usually produce full-bodied spirits with distinctive flavors. Column distillers have tall vertical cylinders and are used to produce high-proof, light-bodied spirits such as vodka.