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Tri-Generation

Tri-Generation or combined cooling, heat and power (CCHP), is the process by which simultaneous generation of electricity, gas preheating and cooling are simultaneously produced. CCHP takes advantage of improved efficiency in generation to maximize the energy output.  It can be considered a truly reliable green power source, unlike wind and solar. The Langson Energy (LEI) Tri-Gen Paradigm is unique in that the Langson Gas Letdown Generator (GLG) uses ZERO fuel to produce pure green power and cooling, is useable in numerous industrial applications.

Previous attempts to harness wasted kinetic energy with turbo expanders, turbines and other alternatives have proven too costly for mass deployment. LEI recognizes the opportunity to capture the energy currently lost at pressure reduction valves in existing plants and along natural gas pipeline (e.g. city gates, gas letdown stations). The result of inventor Richard Langson’s vision is the development of a unique tri-power system enabling global industry to save money while improving efficiency by achieving tri-generation through a combined system that generates tremendous cooling during the process, clean power from the existing wasted-process-heat and clean FUEL FREE green power from energy in surplus pressure.

Langson’s Tri-Generation technology is needed within the global energy infrastructure, specifically: downstream natural gas, regulator stations, processing and storage, within the petroleum process, refining and flare gas pressure. Additionally, the following core industries can be greatly impacted by the Gas Letdown Generator: EPA CHP Partner

  • Steel Plants
  • Metals and Mining
  • Food Processing
  • Petro Chemicals
  • Fertilizer Plants
  • Geothermal
  • Wet Steam

The benefits of Langson’s technology achieving true fuel free tri-generation are numerous. Due to the relatively high average electricity cost across the world, the payback rate and potential saving will be exceptionally favorable. Comparing the GLG to turbo expander technologies is a concise way to demonstrate how revolutionary LEI technology is, due to key factors such as: lower CAPEX, significantly lower operating costs, 1/5th the rpm speed of turbines, robust yet efficient equipment that is also simple to install. Additionally, this commercially viable technology allows all gases, dry or wet steam, impurities and contaminates directly into the machine without a negative impact on the equipment as well as allowing for variations in flow rates and pressure changes.

The LEI case study describes how tri-generation has been achieved at an existing industrial plant that uses heat from furnaces to pre-heat the gas prior to entering the gas letdown generator where the wasted energy at the gas pressure reduction valve is used to generate clean electricity. In thermodynamics, the Joule-Thomson expansion process describes the cooling that takes place during the adiabatic (no heat exchanged) expansion of a gas. Since this expanded gas exits the GLG at a much lower temperature, this tremendous cooling can be used by the plant for additional cooling needs.

The LEI power module is simple and clean. The initial source of gas pressure forces the expander to turn and power the LEI Generator. This electricity may be used in industrial process or sold onto the grid. The expanded gases are cooled by the Joule-Thompson Effect and the refrigerant value of that cooling may be captured and also used by a consumer, either for an industrial process or HVAC. Finally, waste heat may be recaptured from an industrial process and used to preheat the inlet gases, thereby increasing the electrical output of the expander.