| 摘要 |
An apparatus for introducing steam into an airstream in an HVAC humidification system includes a steam supply header, a steam dispersion tube mounted above the supply header, a drain connected to a bottom end of the steam dispersion tube and a steam supply tube positioned within the steam dispersion tube. The steam supply tube has a lower end communicated with the supply header and an upper end that is communicated with the top end of the steam dispersion tube. Since steam is introduced into the top end of the steam dispersion tube, rather than the bottom end, moisture droplets that are entrained in the steam will be urged downwardly by the steam flow toward the drain rather than held up within the steam dispersion tube, significantly increasing the rate at which steam may be introduced into the airstream without spitting.
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