Wort boiling is a key step in the beer brewing process. This process has a major impact on the characteristics of the final product. Wort boiling operation techniques involve many issues such as boiling time, boiling strength, hop additions, additives, wort concentration, pH and the composition of the final wort.
 
Once the wort is in the boiling pot, it is heated for boiling. The boiling time is calculated after the wort temperature has reached 100°C. Of course, the boiling time of the wort should be determined according to the variety, process and quality requirements of the beer. Longer boiling times are beneficial for protein coagulation and precipitation, improving the utilisation of hops and the formation of reductive substances, but not for foaming properties; longer boiling times not only consume a lot of energy, but also reduce the quality of the wort. The boiling time is generally 70-90 minutes.
 
The beer boiling process is completed in the boiling kettle. Boiling kettles are used for the boiling of wort, as well as other components in beer production. The boiling kettle is used for the boiling and concentration of wort in beer production, to bring the wort to a certain consistency and to bring out the aroma of the wort by adding hops. It is a piece of equipment used in the saccharification process. One of the main pieces of equipment used in boiling pots. The types of boiling pots are classified according to the heating method.
 
Electric heater heating. Electric heating equipment with low initial investment costs, simple and easy to operate, suitable for small beer brewing equipment from 100L-500L; many heaters can be controlled to facilitate control of overflow during the boiling process.
Direct fire heating with burner. Direct fire heating equipment is a traditional method of heating. A separate combustion chamber is equipped at the bottom of the boiling pot as a heating zone and is heated with a burner. Direct fire heating generally requires a stirring device to prevent the pots from sticking. Generally, the power of the burner can be adjusted within a certain range and it is very important to choose a burner with the right power. It is one of the first choices for customers in the Americas.
Steam heating method. Steam heating provides more consistent heating and good beer taste. Consideration should be given to the size and location of the jacket to meet boiling requirements. Consider independent control of the bottom jacket and the keg jacket, or even consider splitting the keg jacket in two. It is easy to adjust the boiling intensity and use different jackets during the saccharification process. Alternatively, the bottom jacket can be used separately when the wort is low to heat the wort and save boiling time for the wort.
Type of internal heater. When the wort is boiled, the wort is heated and boils upwards from the bottom to the top through the tubes of the heater. The heater is fitted with an umbrella-shaped overflow-proof cover above the heater, which allows the rising wort to be distributed around while avoiding the formation of foam, allowing the wort to be heated.
 
The choice of heating method for a beer plant boiling pot can be determined by budget, the volume of the plant and the local cost of electricity and natural gas.
 
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