electric steam boiler
An electric steam boiler generates heat from electrical current running through resistance elements, rather than burning fuel as in a traditional combustion fire heated boiler. This means there are no emissions and thus no flue gas venting required, which helps reduce the installation and operating costs associated with such a system. The steam is then used to heat water in a heating system that distributes the heat to other heating devices such as radiators or underfloor heating systems.
An Electric Steam Boiler can be configured in a variety of ways to meet the specific requirements of the project at hand. For example, they can be configured to provide both high and low pressure steam and hot water. They can also be configured to operate at either single or three phase electrical power.
Regardless of the configuration chosen, all Electric Steam Boiler Singapore are manufactured using the highest quality materials and components. They are also designed and built to conform to applicable codes, standards, and regulations set by governing bodies and industry organizations. Fulton’s line of electric steam and hot water boilers includes models ranging from 12 kW to 1,000 kW (1.2 TO 100 BHP) with design pressures rated up to 300 psi.
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components of an electric steam boiler
All electric steam and hot water boilers offer the advantage of power-to-heat efficiency that reduces the amount of fossil fuel and emissions produced. This is achieved by utilising surplus electricity from the mains grid, whether this be night tariff power or surplus self-generated electricity. This helps to significantly lower operating costs and allows businesses to take a step into the energy transition without the additional cost burden of purchasing and storing fossil fuels.
Most commonly, an electric steam boiler will be configured with a series of resistive elements that run the length of the vessel. These are energized and de-energized by the system control via a voltage or frequency drive that runs on either a 3-phase or single-phase power supply. Depending on the boiler’s application, the temperature and pressure of the system, and the load demands, the control can run the element sequence to maximize performance.
These boilers can be configured to operate with either a VFD driven pump or an actuator driven valve. The VFD driven pump will ramp the boiler water from the reservoir up through a steam nozzle header and onto the energized electrodes. Upon contact with the electrodes, the water vaporizes immediately into steam. This prevents a low water condition from developing and protecting the boiler and the system from damage.
Another advantage of an electric steam boiler is that it does not require a chimney, flue gas after-treatment or infrastructure for fuel storage and supply. This can reduce both the space requirements and duration of a project, particularly for smaller installations where permitting may be a concern.