The Glass CHP · CHP

Must cogeneration heat be used?

Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.

Must cogeneration heat be used?
Outdoor air Fresh air Heat recovery Heating coil Hall Exhaust
Glass-box in 4 steps

Understand → See it live → What the AI does → Your benefit

Step 1 of 4
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Understand
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See it live
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What the AI does
Your benefit

What does "Must cogeneration heat be used?" mean?

High-efficiency cogeneration according to the German CHP Act (KWKG) requires a primary energy saving compared to separate generation; proof of heat utilization via calibrated heat quantity meters is mandatory — discharging heat into the emergency cooler reduces the creditable efficiency.

The plant — right now

connect… · anonymous reference plant · read-only from the process control system, calculated in-house Flow temperature … °C Return temperature … °C Buffer top … °C Buffer bottom … °C Excerpt from … measured values of the plant. To the detailed explanation page with video →

What the AI reads from these values

What the AI reads
  • Heat output quantity: indicator for the proportion of usable heat vs. waste heat.
  • Emergency cooler operating time: early indicator for overdimensioning or lack of take-off.
  • Efficiency (electrical/thermal): basis for calculating the primary energy saving.
  • Temperature difference flow/return: confirmation of the hydraulic flow in the heating circuit.
Scenario

Monitored: continuous

The scenario: if the temperature difference decreases, the CHP unit extracts less heat, resulting in a lower overall efficiency and lower cogeneration benefit. The AI: detects the shrinking temperature difference early, before the amount of heat collapses visibly. It identifies the trend before the limit value is reached.

Why this matters

Optimized heat utilization maximises the creditable efficiency and ensures the eligibility for subsidies of the plant. Avoiding emergency cooler operation reduces mechanical wear and prevents the degradation of the overall efficiency. Documented heat output is essential for compliance with legal cogeneration requirements. Heating water flow rate (m³/h) · Flow/return temperature difference (K) → — kW thermal Calculation path: flow rate × temperature difference × 1.16 kWh/(m³·K) (water)

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