tube and fins heat exchanger

COIL FOR TEMPERATURE CONTROL IN WINE TANK OPTIMIZATION OF TEMPERATURE CONTROL IN CULTIVATION TANKS One of the largest sparkling wine producers has implemented a temperature control system for 23 cultivation tanks with a total capacity of 142,000 liters, aiming to ensure optimal fermentation and maintain the quality of the final product. This project has focused on processes taking place in the so-called yeast farms, two rooms where fermentation occurs over five days at a strict temperature range of 18 to 20 ºC. Composition and process conditions The fluid present in the tanks consists of wine solution, tirage liqueur (a sugar-rich syrup), and yeast. This combination is essential for fermentation, as the yeast converts the sugars in the liqueur into alcohol and carbon dioxide, producing the characteristic foam of sparkling wine. Maintaining the fluid temperature within the specified range is crucial for ensuring controlled, high-quality fermentation. Heat exchanger system with internal coils To achieve this thermal control, heat exchanger coils have been introduced inside the tanks. These coils, made of AISI 316 stainless steel with electropolishing, provide excellent corrosion resistance and ensure maximum hygiene, two essential factors in sparkling wine production. The coils are certified under the MOCA (Materials in Contact with Food) standard, ensuring the materials used meet food safety requirements. CLAMP no need All system components have been custom-designed to perfectly fit the tanks’ characteristics and the client’s needs. A design eliminating the need for CLAMP connections was chosen, reducing the risk of leaks and simplifying system cleaning and maintenance. This tailored approach has also maximized heat exchange efficiency and optimized temperature control throughout the fermentation process. Wine tank heat exchanger coil benefits Implementing this system has provided numerous operational advantages: Thermal Stability: Maintaining a constant temperature within the specified range has been key to ensuring homogeneous, high-quality fermentation. Energy Efficiency: Electropolished stainless steel coils offer optimal thermal conductivity, reducing the energy consumption needed to maintain the proper temperature. Food Safety: Compliance with MOCA standards ensures the quality and safety of the final product. Reduced Maintenance: The absence of CLAMP connections simplifies maintenance and minimizes potential technical issues. BOIXAC, HEAT EXCHANGE SOLUTIONS This project is an excellent example of innovation applied to the wine industry, where precise control of fermentation conditions makes a significant difference in the quality of the sparkling wine produced. Implementing custom systems and high-quality materials ensures not only process improvement but also greater efficiency and sustainability throughout the production chain. Contact us Heat exchange solutions for the food and beverage industry Water coil Water coil that is often used to condition the environment of greenhouses and breeding farms, improving animal welfare. Energy economizer Energy economizer or heat recovery system that allows the reuse of excess energy, for example, from biomass boilers. Finned heat exchanger Finned tube heat exchanger, a temperature control system that optimizes durability even in environments with certain contamination factors.

ECONOMIZER FOR GREENHOUSES GREENHOUSES AND FARMS An economizer for greenhouses or farms refers to the heat recovery system designed to improve efficiency in an environment where, among other things, crop performance is optimized by controlling temperature, ambient humidity, and CO₂. Within the wide range of implementations, we highlight three main areas: 1. The first block refers to water treatment for the hydroponic growth of tomatoes, lettuces, peppers, strawberries, etc. Hydroponic cultivation allows plants to grow faster and more vigorously thanks to direct access to nutrients. These nutrients are dissolved in a water flow that is distributed to the plants through channels. For proper nutrient absorption, it is important to maintain the water within certain temperature ranges, which is achieved thanks to our finned tubes. This heat exchange system can use spiral fins or continuous fins following the same direction as the tubes, maintaining a homogeneous temperature and optimizing both plant growth and quality. 2. The second block is air treatment through overhead ducts, where BOIXAC provides the finned heat exchangers that condition the air in the greenhouse or breeding farm. These exchangers can include various accessories such as fans, humidity controls, and temperature controls. 3. The third block refers to the technology that enriches the environment, thus increasing photosynthetic activity. We achieve this by reusing the excess energy from exhaust gases through the ECO, AIRY, or GASY heat recovery systems. These thermal exchange units are selected based on primary and secondary fluids; in addition, the materials are also chosen according to the specific needs of each installation. Custom solutions for energy optimization in greenhouses and farms. Heat recovery systems for greenhouses and farms Water coil Water coil that is often used to condition the environment of greenhouses and breeding farms, improving animal welfare. Energy economizer Energy economizer or heat recovery system that allows the reuse of excess energy, for example, from biomass boilers. Finned heat exchanger Finned tube heat exchanger, a temperature control system that optimizes durability even in environments with certain contamination factors.

ECONOMIZER HEAT RECOVERY SYSTEM IN AN INDUSTRIAL BOILER In the context of industrial production, energy efficiency is a key factor in reducing operating costs and minimizing environmental impact. Industrial boilers are essential for many processes, such as steam generation, water heating, or thermal oil heating. One of the key components that improve the efficiency of these boilers is the heat economizer or heat recovery system. This device allows for the recovery of thermal energy from exhaust gases that, without this technology, would be lost. In this article, we will explore how an economizer works in a two-pass industrial boiler, using a heat exchanger to efficiently transfer thermal energy to fluids such as steam, superheated water, or thermal oil. What is an economizer? An economizer is a device that recovers the residual heat from the exhaust gases of a boiler to heat the feedwater before it enters the boiler. This way, the system increases the thermal efficiency of the boiler and reduces fuel consumption. The principle of operation of an economizer is based on the use of a heat exchanger that transfers thermal energy from the combustion gases to an incoming fluid, usually water or another thermal substance. This way, the feedwater reaches the boiler at a higher temperature, reducing the amount of energy required to heat it to its final use. How an economizer works in a Two-Pass Industrial Boiler Two-pass industrial boilers, also known as double-pass or double-circuit boilers, have a structure designed to optimize the heat transfer of combustion gases. This type of boiler is designed to maximize the utilization of exhaust gas energy by using two circuits of gas flow. In this context, the economizer is installed in the first pass of the exhaust gases before passing through the boiler heat exchanger. Exhaust gases and heat exchanger: When fuel is burned inside the boiler, the generated gases have a very high temperature. The gases exit the boiler and circulate through the first circuit, passing through the economizer. This is where the heat recovery system takes advantage of this residual heat to transfer it to the feedwater through a steam or water heat exchanger. Heat transfer: The heat exchanger used in the economizer can be a steam heat exchanger, a superheated water heat exchanger, or even a system designed to heat thermal oil. Each of these systems uses a similar principle: the exhaust gases transfer their heat to the circulating fluid, raising the temperature of the feedwater before entering the boiler. This allows the boiler to use less fuel to reach the required temperature to generate steam or heat other thermal fluids. Energy efficiency improvement: The feedwater, once heated thanks to the economizer, enters the boiler at a higher temperature. This means that the boiler will need less energy to heat it to the desired operating temperature. This fuel saving directly translates into a reduction in operating costs and a greater environmental sustainability for the plant. Economizer design and materials: To ensure efficient heat transfer, industrial economizers are often made from materials resistant to high temperatures and corrosion, such as stainless steel or special materials for extreme operating conditions. These materials ensure that the devices have a longer lifespan and are efficient under demanding working conditions. Types of economizers used The design of the economizer depends on the type of fluid to be heated and the specific conditions of each industrial plant. Below are the most common types of heat exchangers used: Steam heat exchanger: In some cases, the boiler needs to generate steam for industrial processes. A steam heat exchanger allows the use of exhaust gas energy to raise the temperature of the water before it reaches the boiler, thus facilitating steam production with less energy. Superheated water heat exchanger: When it is necessary to heat water beyond its saturation temperature, a superheated water heat exchanger is used. This system keeps the water in a superheated state for specific industrial applications, such as heat production or energy generation. Thermal oil heat exchanger: For industrial processes that require heating at high temperatures, thermal oil is a popular option. Thermal oil heat exchangers are specifically designed to transfer heat from exhaust gases to the oil, allowing the system to maintain a constant and efficient temperature throughout the process. Advantages of using an economizer Among the many advantages offered by the use of Economizers and Heat Recovery Units, we can highlight: Reduction in fuel consumption: One of the main advantages of installing an economizer is the significant reduction in fuel consumption. By recovering residual heat, less energy is needed to reach the desired operating temperature. Increase in overall efficiency: Thanks to the recovery of residual heat, the overall efficiency of the heating system significantly improves, which contributes to a smaller carbon footprint. Economic savings: Operating costs decrease since the boiler requires less fuel to generate the same amount of steam or heat water. Sustainability: Reducing fuel consumption not only provides economic benefits but also contributes to sustainability by minimizing the environmental impact of industrial operations. In this sense, economizers or heat recovery systems in two-pass industrial boilers are essential components for improving energy efficiency and reducing operating costs in industrial processes. By using steam, superheated water, or thermal oil heat exchangers, the thermal energy from exhaust gases can be used to heat fluids such as feedwater. This way, a more efficient and sustainable system is achieved, contributing to resource optimization and reducing environmental impact. BOIXAC, A WORLD OF INDUSTRIAL ENERGY RECOVERY We have a wide range of different technologies, including smooth tube heat exchangers, finned tube heat exchangers, and pillow plate exchangers. This constructive variety allows us to customize the solutions we propose, adapting to the reality of each production process and thus optimizing the thermal resources available at each plant. Our advanced technical knowledge enables us to offer a range of economizers and heat recovery systems capable of working with combustion gases below their dew point, thus allowing condensation and recovery of acidic condensates from the gases themselves. … Read more