Schematic layout
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What is a resistance-type steam humidifier?
A resistance-type steam humidifier is an isothermal humidifier that operates on the immersion heater principle.
The steam used for humidification is generated in a stainless steel cylinder (which is lined with a reusable plastic film to prevent the build-up of scale) by heat generated from electric heating elements. As resistance elements (heating rods) are used, this technology is not dependent on the conductivity of the water and can be operated with both tap water and fully desalinated water. A further advantage is the infinitely variable control of the steam output from 0 to 100%.
How a steam humidifier with resistance heating works
The water used for humidification flows from below into the stainless steel steam cylinder via the inlet solenoid valve and the inlet cup. The water level in the steam cylinder is maintained at a constant level by the level control. The steam generated flows through the steam pipe into the steam distributor. The condensate produced in the ventilation unit is drained via a condensate hose.
Steam outlet
Steam distribution options with steam hose for
in-duct humidification with blower pack for direct
room humidification
Steam Cylinder
Corrosion-resistant stainless steel cylinder
Resistive Heater
Condair RS resistive steam humidifiers can
operate on mains water, or demineralised
water, for close control and reduced servicing.
Schematic layout
Blowdown pump
Limescale collector
The location of the scale collection tank below the unit
ensures very easy access. The tank can be removed
and emptied easily without the need for opening
the unit housing.
Touch Controller
State-of-the-art user interface offers simple control
and advanced diagnostic reporting. Current and
historic performance data can be called-up in
real-time or accessed and analysed remotely via
optional IoT (Internet of Things) connectivity.
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What is the difference between dew point control and enthalpy control?
First, a point below the target point, close to the saturation line, is identified on the h-x diagram.
Heating must take place before humidification. The point below the target point is then reached by applying maximum humidification.
What is adiabatic humidification?
There are essentially three physical methods: evaporation, atomisation and vaporisation. Evaporation is an isothermal process, whilst atomisation and vaporisation are adiabatic processes. In adiabatic air humidification, water is introduced into the air in liquid form and must therefore still reach the gaseous state. This requires energy, which is extracted from the ambient air in the form of heat. As this causes a drop in temperature, this process is also known as the adiabatic cooling effect.
What is a condensation dehumidifier?
A condensation dehumidifier is a device that removes water vapour from the air using the natural principle of condensation.
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