How Dryair Works

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How Dryair Works
Dryair's modular approach
How the System Works
In its simplest form, The DRYAIR system utilizes a deisel, propane or natural gas-fired hydronic water heater. The heater warms a heat transfer fluid which is, in turn, pumped through a fluid circulation system loop to heat exchangers at remote locations.
    The following two types of exchangers are most commonly used:
  • Portable heat exchangers heat and recirculate warm, dry, clean air inside a structure utilizing a heat transfer coil and fan. This type of heat exchanger is used primarily in heating and drying applications.
  • Thaw/cure hose transfers heat by direct contact and radiant heat conduction. This type of heat exchanger is used primarily in ground thaw, frost prevention and curing applications.
DRYAIR's modular approach assures that you have the right tools for the widest range of applications!
  • The "required tools", shown below, represents the basic system required for a specific application.
  • The "additional tools" either enhances performance, cababillities and/or convenience.
Heating or drying scenario

Standard tools
  • CHM2000-1200 central heating modules. Centralized heat control and delivery... choose from a selection of sizes and fuel types
  • Portable heat exchangers. For heating, drying and climate control applications. When used for heating, in most cases, all of the exchangers would be positioned inside the structure and recirculating/reheating interior air. When used for drying, in most cases, at least one of the exchangers would be positioned to draw outside air (ie: through a door or window...) while the others would be positioned to recirculate/reheat interior air. The exchanger drawing outside air would, in effect, be pressurizing the structure. Moisture laden air would then be forced out an exhaust port (ie; vent, window, door...). This "moisture flush" process is a very quick and effective method of drying a structure (ie: At ideal conditions, the CHM2000-1200 central heating module, a 1.2 MBTU system, can extract up to 40 gal./hr. or 960 gal./day…)
  • 2" primary and 1" secondary circulation hose Heated fluid delivery from the central heating module to the distribution manifold(s)
  • 4-port distribution manifolds Fluid distribution to multiple portable heat exchangers
Additional tools
  • Mixing / booster. For pressure & flow boost if delivering HTF fluid over extended distances
  • Drying environment control unit (DECU). Humidity control, HEPA filtration & decontamination and controlled heating & drying
  • Plate heat exchanger. Effective delivery of heat transfer fluid on multi-floor projects
  • Generator. Remote power generation on non-powered sites
  • Transport trailer
Dryair Central Heating Module
2 Dryair Central Heating Modules shown above.
Ground thaw or concrete cure scenario

Standard tools
  • CHM2100-0900 central heating module. Centralized heat control and delivery... choose from a selection of sizes and fuel types
  • PHR69 hose reel. For dispensing or collecting thaw/cure hose.
  • Thaw/cure hose package. Transfers heat by direct contact and radiant heat conduction
  • 2" primary circulation hose. Heated fluid delivery from the central heating module to distribution manifold(s)
  • 8-port distribution manifold. Fluid distribution to multiple thaw/cure hose loops
  • When curing, insullated blankets (covering the thaw/cure hose) are required. A plastic vapor barrier can be used, positioned under the thaw/cure hose to prevent direct contact between the hose and concrete.
  • When thawing, it is recommended that both insulated blankets and a plastic vapor barrier (on top of the hose) be used for optimum results. The vapor barrier, while aiding in trapping heated air, also traps moisture which, in turn, ensures optimum heat conduction and results in a quicker, deeper thaw.
Additional tools
  • Smart thaw system (STS). For "even" temperature control on a concrete cure job or "accelerated" ground thaw
  • Mixing / booster For "low" temperature control (ie 70F) on a concrete cure project and pressure & flow boost if delivering HTF fluid over extended distances
  • Generator. Remote power generation on non-powered sites
  • Transport trailer
Dryair Ground Thaw Unit with Hoses
Dryair Ground Thaw Unit with Hoses shown above.

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How Dryair Works

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