How to choose the right boiler
Brewery steam requirements can double or triple in as little as a few seconds, so you better have the right solution.
A boiler purchase is one of the most important investments for a craft brewery. Breweries rely on steam heating for a number of reasons — primarily for the kettle and to produce hot water for sanitization. Steam is also required to keep solutions at the right temperatures and is used in pasteurization heating for bottling. Choosing the right boiler is crucial to ensuring that you can meet production demands without wasting time or energy.
As for the criteria you should look for when purchasing a boiler, the following are important:
1. Ability to meet steam demand at production.
Steam demand in breweries can vary widely based on the exact need in that moment. Traditionally, a large single boiler is used so that it will be ready with steam at any moment. However, it is expensive to keep a large oversized boiler ready at all times.
2. Ability to do multiple processes at the same time.
Those processes can include brewing (hot liquor and mash tun), CIP, sanitization, sterilization, kegging, canning and bottling. Again, applications and processes can vary from brewery to brewery. A precisely designed steam system, particularly utilizing a modular boiler approach, will help ensure that the right amount of steam is ready at any time — not too much and not too little.
3. Ability to adjust steam supply to fluctuations on demand.
Brewery steam requirements can double or triple in as little as a few seconds. Large fire tube boilers need a long time to react to these demand swings. To overcome that problem, firetube boilers will remain hot. The costs to do this are tremendous. Modular, on-demand boilers can generate steam within seconds when in standby mode. This saves an average of 20 percent in fuel costs.
4. Costs.
Keep an eye out for savings in fuel, water, labor and maintenance — not just the cost of the unit itself. A low-efficiency can easily waste its purchase price within one year compared to a high-efficiency design.
Savings can be broken down into three general categories:
Initial cost;
Maintenance; and
Boiler efficiency (energy, water usage, fuel, etc.).
5. User-friendly control systems.
Look for systems that have sophisticated internal controls that can be managed both by user-friendly interfaces that you control as well as offsite monitoring by boiler technicians (like the ones at Miura). These features greatly prevent and reduce maintenance and repair costs. Remote monitoring also provides peace of mind to you, the brewer, who has so many other things to think about during the production cycle.
6. Ultimately, it’s all about your bottom line.
The industry is now greatly affected by the fluctuations in gas pricing, so moving forward with the correct boiler is a top concern in the goal to reduce costs. Additionally, some brewers are now promoting a green image, which means low emission, energy- and water-efficient boilers are increasingly more popular.
When shopping for a boiler that reduces energy consumption and minimizes fuel costs, also look for systems that offer design flexibility and a compact footprint. This will not only save physical space in your facility, but also will be able to add more steam capacity as your business grows without taking up more space — a feature not possible with their larger cousins.
OK, Before making your final decision, step back and ask the following questions:
Which brand or model is the most cost-competitive?
Which gives you the best performance, yet saves time and energy?
Who has the best reputation with a comprehensive support network?
Thanks for reading.
Amy Chen
Sales manager
[email protected]
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