Water quality is an important concern when it comes to humidification. Regardless of what type of humidification you’re using (isothermal or adiabatic), chances are you …
Adiabatic Humidification: Humidification Basics Part 8
Recently, we discussed isothermal humidification. Today, we’re going to talk about the other method of humidification, which is called “Adiabatic.” Adiabatic humidification puts water (not steam) …
Steam Isothermal Humidification: Humidification Basics Part 6
In many ways, Psychrometrics is like a Rubik’s Cube. Change one thing, and you automatically change something else. But instead of shifting colored cubes around, …
Steam Vent Operating Pressure
I have a 15 psig steam system which operates at about 7 PSIG most of the time. Is the Hoffman Main Steam Vent Model 75 appropriate for this application with its listed 15 psig maximum?
Can I change my Vacuum Condensate Pump to a Simple condensate Pump? (Part 3)
When you use the word vacuum with most people, they think of sucking something up like a vacuum cleaner does. There are times that vacuum condensate systems were used to lift or “suck up” the condensate from a lower level. Today, we will examine the use of vacuum condensate pumps to lift condensate from a low return.
Can I change my Vacuum Condensate Pump to a Simple condensate Pump? (Part 2)
We began a series about vacuum condensate units and introduced one of their uses: the reduction of time to bring a building up to temperature …
Can I Change My Vacuum Condensate Pump to a Simple Condensate Pump? (Part 1)
Every heating season we get, at least, a half dozen calls with the question above, which is the subject of today’s R. L. Deppmann Monday Morning Minute. Vacuum condensate transfer pumps exist in many older steam heating systems. There were many reasons contractors and engineers used these pumps but most of the systems fall into three categories: time control, temperature control, and condensate lift.
Absorption Distance In Action
In the last couple Monday Morning Minutes, we showed how the type of humidifier dispersion method could affect the absorption distance. Let’s look at an example. Ex: 5000 CFM at 55OF Duct temperature to provide a room RH at 35% at 70OF with 50% outside air. [Read more…]
Humidifier Dispersion Choices And Absorption Distance
Last week, we described the criteria that may affect absorption distance. This week we look at how your choice of humidifier dispersion assembles may affect that absorption distance. Call your R.L. Deppmann sales representative to assist you in selection of the best dispersion method for your application.
Humidifier Placement In Airstream is Critical
Absorption or non-wetting distance is the dimension downstream from the leaving side of the steam dispersion assembly to the point where wetting will not occur, although wisps of steam may be present. Solid objects at duct air temperature, such as coils, dampers, fans, etc., downstream of this dimension will remain dry. Location A is the best choice. [Read more…]