WHRS for Glass Industry
Offered By Division T1

TESPL offers Waste Heat Recovery Systems (WHRS) for Glass Industry for waste heat recovery from hot exhaust gases from glass melting furnaces. As compared to other heat sources, these furnaces pose unique challenges for recovering heat from exhaust gases. Overcoming all the challenges TESPL’s system converts the waste heat in to electric power with the state of art design of Turnkey Waste Heat Recovery Power Plants (WHRPP) for Glass Industry.

The glass furnaces which are fired with natural gas or heavy fuel oil operate at extremely high temperature which is required to keep the glass in molten condition. Part of the energy from the hot gases liberated by these furnaces is used for combustion air preheating. Inspite of this recuperation system, huge amount of energy is wasted as the temperatures are in the range of 400 to 500 deg C at inlet of stack.

Applications of WHRS for Glass Industry

  • Heating of the heavy fuel oil(in case of heavy fuel fire furnaces)
  • Electric power generation by Steam Rankine Cycle
  • Electric power generation by Organic Rankine Cycle
  • Chilling / Refrigeration
  • Wastewater recycling
  • Combination of all above

Challenges

TESPL’s waste heat recovery system overcomes following challenges while building WHRS and turnkey WHRPP for Glass Industry,

  • Sticky and corrosive dust in flue gas causing fouling of heat transfer surfaces
  • Furnace cannot be stopped for installation of WHRS
  • Maintaining accurate pressure levels inside the furnace
  • Varying temperatures

Salient Features

The salient features of the turnkey WHRPP for Glass Industry built by TESPL are as under:-

  • Online cleaning arrangement to avoid downtime of WHRS.
  • State-of-the-art instrumentation and controls for safe and easy operation.
  • Fully automatic bypass system to ensure safety of glass melting furnace.
  • Optimized waste heat recovery solutions.
  • Reduces CO2 Emission and earns Carbon Credits.
  • Supports sustainable development initiatives.
  • Lowest payback periods & highest life cycle earnings.
  • Waste heat from multiple glass furnaces can be combined for common WHRPP.
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