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Author Topic: Nyle operators wondering how your kiln works in the end of cycle  (Read 4848 times)

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Offline GeneWengert-WoodDoc

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #20 on: May 28, 2015, 08:54:05 pm »
Thanks.

Just a small correction to previous info above...my phone is 608-692-4441.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline Woodslabs

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #21 on: October 08, 2017, 12:19:32 pm »
how often do you guys check on the waterbottle for the wetbulb to make sure it has water in it?

Offline xlogger

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #22 on: October 08, 2017, 07:06:06 pm »
2-3 days
Timberking 2000, Turbo slabber Mill, 584 Case, Bobcat 773, solar kiln, Nyle L-53 DH kiln

Offline WDH

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #23 on: October 08, 2017, 08:10:32 pm »
For me, at least once per day.  Usually, though, once in the morning and again in the evening.  I like to keep the bottle full so that the wick does not get crusty. 
Woodmizer LT40HDD35, John Deere 2155, Kubota M5640SU, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

Offline DR_Buck

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #24 on: October 08, 2017, 10:13:14 pm »
how often do you guys check on the waterbottle for the wetbulb to make sure it has water in it?

smiley_headscratch

What is this water bottle you speak of?      I've dried a lot of lumber in my Wood-Mizer DH-4000 over the past 12 years and I've never seen nor heard of any water bottle..  :o
Hidden Acres Farm
I got a shotgun, a shovel backhoe and 57 acres!

Wood-Mizer LT40HDG25

Offline xlogger

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #25 on: October 09, 2017, 05:56:44 am »
opps I was wrong. I was thinking about during the regular cycle not the end when heating up. Danny is right, I didn't read whole title.  :-[
Timberking 2000, Turbo slabber Mill, 584 Case, Bobcat 773, solar kiln, Nyle L-53 DH kiln

Offline WDH

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #26 on: October 09, 2017, 07:49:47 am »
Dave,

The newer units operate off of dry bulb and wet bulb set-points, not compressor run time.  The wet bulb is a probe with a wet wick over it, kinda like a hollow shoe string.  It is coiled in a water bottle, and the wick pulls water out of the bottle and keeps the probe wet.  The evaporation of water off the wick lowers the temperature measured by the probe.  The dry bulb is the air temp in the kiln.  The difference between the dry bulb and wet bulb temps is called the wet bulb depression.  This lets you know the humidity in the kiln.  The wood is dried based on temperature and humidity control.   
Woodmizer LT40HDD35, John Deere 2155, Kubota M5640SU, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

Offline K-Guy

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #27 on: October 09, 2017, 10:15:22 am »
Hi Guys
There is a lot in this thread to answer.
1) the kiln must be tight or it will effect your drying.
2) Once you get below 10% your drying rate will slow down alot with hardwoods.
3)If your wood stops drying after you get below 25%, it may be due to case hardening or just because it isn't uncommon in hardwoods. To fix this I recommend turning your compressor off, turning your heat up to 140f and dumping 5 gallons of water on the floor. After you reach 140f wait 24 hours for 4/4, then turn your temperature down to 120f and return to drying. This should help break free the remaining moisture. For 4/4 it also means that you have sterilized the load.

If you have any questions about this call me at Nyle 800-777-6953 Ext 212
Thanks Stan

ps I met Gene a number of years ago and found him to be a great guy as well as smart.

Offline WDH

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #28 on: October 09, 2017, 03:31:55 pm »
Stan,

You have been a great resource for me, and I appreciate what you do.  My Nyle 53 is a little lumber drying beast. 
Woodmizer LT40HDD35, John Deere 2155, Kubota M5640SU, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

Offline xlogger

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #29 on: October 10, 2017, 05:45:34 am »
Stan, would you just double the time on 8/4 lumber or would it take more?
Timberking 2000, Turbo slabber Mill, 584 Case, Bobcat 773, solar kiln, Nyle L-53 DH kiln

Offline K-Guy

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Re: Nyle operators wondering how your kiln works in the end of cycle
« Reply #30 on: October 10, 2017, 08:02:44 am »
xlogger
The general rule is multiply the drying time by 2.5 times per inch of additional thickness.