SubCom Industrial Liquid Heaters / Evaporators

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94% efficient, 15 MM BTU/h SubCom brine heating system for iodine recovery in Chile
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Description

Submerged combustion is a method of heating or evaporating liquids and slurries where the products of combustion are forced through the solution. It differs from conventional methods, such as immersion tube or gas-to-liquid heaters, where the products of combustion do not contact the solution. With submerged combustion the heat transfer occurs directly between the products of combustion and the solution, hence there are no heat transfer surfaces to foul, and the flame does not come in contact with the solution.

Submerged combustion is used to heat or evaporate liquids and slurries, with efficiencies up to 99%.

 For more detailed information on SubCom systems, including case studies and technical data, please visit the dedicated SubCom website, www.subcom.ca.

Application

Well suited for any industrial process that requires solution evaporation, or heating of large quantities of difficult-to-heat liquids / slurries or process waters.

 Mining Industry:

Natural Gas Industry:

  • Produced water (flowback water) evaporation
  • LNG and other cryogenic gas vaporization

Oil Sands Industry:

  • Oil sand slurry hydrotransport

Wastewater Treatment:

Lumber Industry:

  • Plywood and veneer log ponds and conditioning chests

Other:

  • Acid baths
  • Aggregate wash plants
  • Carpet and fabric manufacturing
  • Industrial process waters

Our patented SubCom technologies were developed to handle clean, dirty and corrosive fluid heating and evaporative processes. Suitable for unattended operation in remote locations these systems do not require a certified operator. They offer a cost effective alternative to boiler / heat exchanger systems and direct steam injection.

Features and Benefits

Save on Fuel Costs

  • SubCom systems are 15% to 30% more fuel efficient than boilers resulting in an equivalent reduction in greenhouse gases. And the systems are as efficient on day 10,000 as they are on day one because there are no heat transfer surfaces to foul and reduce heat transfer efficiency.

Save on Additional Process Costs

  • No pre-treatment of the solution is required because there are no heat transfer surfaces to plug or foul; the heat is conveyed via gas bubbles dispersed directly through the liquid-to-be-heated.
  • No post-treatment of the solution is required because there is no dilution of the solution-to-be-heated; no new liquid is injected into the process, as there is with direct steam injection.

Save on Maintenance Costs

  • The systems are low maintenance because there are few wearable parts and there are no heat transfer surfaces to plug, foul or corrode.

Save on Manpower Costs

  • No operator certification is required because SubCom is not a pressure vessel, and the systems are simple, as this 30 second video on our dedicated SubCom website illustrates.

Recover Clean Water for Reuse

  • When used for evaporation, the evaporated water can be condensed and reused in other processes onsite.

Be Safe

  • SubCom systems are inherently safe because the combustion process is completely contained by inflammable liquid, and the exhaust gases exit at near ambient liquid temperature. Exhaust temperatures are typically 200°F to 300°F (100°C to 150°C) less than boiler systems.

Many industries are moving to submerged combustion technology to replace their existing liquid heating or evaporation systems. SubCom delivers greatly reduced operational costs in a number of areas, compliance with stringent emissions regulations, and short payback periods.