Integration of Steam-Generating Heat Pumps
Industrial heat pumps are a central component of the future energy infrastructure. They contribute to increasing the efficiency of industrial processes and help to reduce CO₂ emissions. A key aspect is the utilisation of unused waste heat – such as from exhaust gases or wastewater with low temperatures. Compression heat pumps can elevate this waste heat to a higher temperature level using electrical energy, making it usable, for example, as hot water or steam. With the option of using renewable electricity, the provision of process heat is sustainably optimised. Heat pumps can be used for both heating and cooling and can generate steam at temperatures of up to 200°C.
The integration of heat pumps into industrial processes, however, presents specific requirements. Each system must be individually tailored to the existing infrastructure, such as heat generation systems, storage units, and heat consumers. Challenges such as fluctuating heat demand, batch processes, or contaminated waste heat sources also require customised solutions. Successful integration into the process is critical for efficiency and economic viability. Thorough planning is essential. Key considerations include the optimal selection of integration points, minimising the distances between the heat source and the steam injection point, and incorporating a storage unit if there is a significant mismatch between the availability of the heat source and the actual steam demand. A steady operation with minimal start-up and shutdown cycles and a high number of operating hours are essential factors for the system's efficiency and economic performance.
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The implementation of a steam-generating heat pump requires careful planning and analysis to achieve the best possible efficiency and economic performance. The process is divided into four key steps:
Step 1: Data Collection and Potential Analysis
In the first step, detailed collection of relevant operating data takes place. The aim is to identify promising integration points and assess the energy potential for using the heat pump.
Step 2: Concept Development and Efficiency Determination
Based on the collected data, a customised concept is developed. This includes calculating the expected efficiency of the heat pump to ensure that the targeted energy savings and environmental benefits can realistically be achieved.
Step 3: Ecological and Economic Project Assessment
This step involves a comprehensive evaluation of the project's ecological and economic impact. CO₂ savings are calculated as well as the costs for necessary integration infrastructure, such as feedwater treatment or the expansion of electrical connection capacity. This provides a transparent basis for your investment decision.
Step 4: Support with Manufacturer Inquiries
Finally, we assist you in contacting manufacturers and obtaining quotations. This ensures that you receive the appropriate heat pump solution for your specific requirements and can efficiently achieve your project goals.