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Hercuglas Buffer Tanks

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Hercuglas Buffer Tanks for use with space heating systems

Hercuglas – Buffer Tank

Main benefits from use of Hercuglas buffer tanks:

  •  Suitable to heating water storage in both low temperature and high temperature systems;
  • Efficient heat source operations is facilitated by installation of a buffer tank in domestic heating systems;
  • Multiple flow / return points enable effective installation in the vast majority of applications;
  • Factory fitted insulation enables the stored water to remain at the set temperature during periods where the heating system is off;
  • Provision for Immersion heating element assembly is available.

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Hercuglas Buffer Tanks for use with space heating systems

Primary Storage Tanks Capacity 200, 300, 500, 800, 1000, 1500, 2000, 3000, 5000 litres (additional sizes are available)

Why Tanks?

Buffer tanks, also known as thermal storage tanks or accumulator tanks, are commonly used in various heating, cooling, and renewable energy systems to improve efficiency and provide stable operation. These tanks store excess energy in the form of heat or cold and release it when needed, helping to balance energy supply and demand. Here are some key properties and characteristics of buffer tanks:

1. Thermal Capacity: Buffer tanks are designed to have a substantial thermal capacity, allowing them to store a significant amount of thermal energy. This capacity helps to absorb and store excess energy during periods of high supply and release it during periods of high demand.

2. Size and Volume: The size and volume of buffer tanks can vary widely based on the specific application and system requirements. Larger tanks can store more energy, but the size should be chosen to match the system's energy production and consumption patterns.

3. Insulation: Buffer tanks are usually well-insulated to minimize energy losses. Proper insulation helps to maintain the stored energy at the desired temperature, preventing unnecessary heat loss or gain.

4. Material: Buffer tanks are typically made from materials with good thermal conductivity, such as steel or stainless steel, to ensure efficient heat exchange between the stored energy and the surrounding environment.

5. Heat Exchanger: Many buffer tanks include an internal or external heat exchanger. This heat exchanger allows the stored energy to be transferred to or from another fluid, such as water or a heat transfer fluid, which can then be used to distribute the energy to different parts of the system.

 

 

6. Temperature Stratification: Some buffer tanks are designed to promote temperature stratification, meaning that the stored fluid forms distinct layers of different temperatures. This stratification can improve the efficiency of energy transfer and retrieval from the tank.

7. Multiple Ports: Buffer tanks often have multiple inlet and outlet ports to accommodate various connections from different parts of the heating or cooling system. This allows for flexibility in system design and integration.

8. Pressure Ratings: The pressure rating of buffer tanks is important, especially in heating and cooling systems that involve pressurized fluids. The tank's pressure rating should be suitable for the system's operating conditions.

9. Safety Features: Depending on the application, buffer tanks might incorporate safety features such as pressure relief valves, temperature sensors, and controls to prevent overpressure or overheating.

10. Application-Specific Design: Buffer tanks can be designed for specific applications, such as solar thermal systems, heat pumps, biomass boilers, and more. The design may take into account factors like flow rates, temperature differentials, and energy storage needs.

11. System Integration: Buffer tanks are often integrated into larger heating, cooling, or renewable energy systems. Their proper integration ensures smooth operation and optimal energy utilization.

Buffer tanks provide a valuable function in many energy systems by helping to match energy production with consumption patterns. They contribute to energy efficiency, system stability, and a more balanced energy supply, ultimately improving the overall performance of various heating, cooling, and renewable energy applications.

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