Okay, okay, I give up, I can't seem to locate my chart or formula for the rate of flow through an orifice. It's in our continous blowdown line, the delta P is 90 lbs and the orifice size is 3/8". Can anyone help jog my memory?
We use a polymer based boiler water treatment program here where I work. I have had only phosphate programs where I've been before, and the blowdowns there were constant to remove sludge, solids, etc. Now with this program, since from what I understand maintains things in solution (and that's...
I am going to have the resin tested to eliminate it from the equation. All three vessels have the same results after each one is regenerated. We just can't seem to pinpoint what the problem is so we will check this first. They seem to be passing more hardness after each regeneration as time...
I'll post complete information tomorrow when I get back to work. For now: the system is less than two years old, it was new when installed likewise the resin. There are three tanks 13X54. Our boiler pressure is 90 lbs. and we average 90%+ returns. Daily usage right now of 4,000 gallons or so...
The problem is common to all three tanks and each has the same CL residual reading after each is regened with the extended rinse time and the small amount of hardness that is coming through. That is what pointed me in this direction. Each unit is isolated when the sample is taken to insure that...
We increased the rinse time from 30 to 45 minutes but have seen no change in the chloride level of the effluent. It seems to "bottom out" at the 20ppm level. These units regen a litle differently than other softeners: There are only 3 steps in the regen cycle. The first is the brine draw which...
The chloride level in city water supply 7 ppm. Softener effluent 20 ppm. Our boilers have 250-300 ppm in them, would like 150 or so. The hardness from each tank is 1 or less ppm measured as CaC03. I'll have to get the boiler water hardness tomorrow when I get back to work. Our water...
We have a water softening system here in our plant that consists of 3 tanks. They are sold by Braswell. This system is about a year old and has run well until about 3 months ago when each of the tanks started to slip sodium. It has been cycling up in the boilers. The amount of slippage in...
Thanks to all. Yes it did begin to sound like it was magical. I can easily add the zero and get a much more realistic number in the 1.04ish range. Beth
The steam flow sensors are Spirax Sarco coupled with Foxboro readouts. I have extensive documentation on thier calibration, serial numbers correction factors. We have three identical and each reads very close to what the other reads under identical boiler conditions. They are temp and pressure...
Our boiler pressure is about 90lbs, being firetubes, its saturated of course. Using the gas meter outside, the one we're billed on, and the steam totals from our individual boilers, I come up with these numbers. Everything seems to jive. I'll check again though, the steam numbers may be the...
We have firetube boilers here and crunching the numbers, I arrive at 10lbs steam produced per ft3 of gas. Is this number in the ballpark based on other peoples experience? I'm using this to emphisize effeciency numbers on each boiler. We are running in the low 80's.
This must be because there is no such thing as superheated water. Any "extra" entalpy above the saturation temp. would be used to heat the condensate up to saturation? Sounds like an extra effiecent way to deaerate. Bethw
