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  #11  
Old 11-07-2018, 07:51 PM
Samcord Samcord is offline
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Originally Posted by Scrapper Greg View Post
Kieth has some good ideas. An other easy idea would be a light timer, like these https://www.amazon.com/TOGOAL-Digita...88551466&psc=1 controlling a small gear reduction motor. Just a thought.


I would want to know what the shortest run time is. You probably don’t want to run them for 20 minutes.
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  #12  
Old 11-08-2018, 07:27 AM
Spencer Spencer is offline
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How often do they fill it with wood? Maybe try to hook up some sort of switch to the door or to the door latch? Maybe some kind of mechanical interlock between the door latch and the handle?
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  #13  
Old 11-08-2018, 11:43 AM
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Lu47Dan Lu47Dan is offline
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I think you are all over thinking it.
To make them use it, make up a series of rods and levers to bring the operator to the front of the boiler and interlock it into the loading door.
So to load the boiler, the cleaning handle would have to be operated to unlatch the boilers loading door.
Did something similar on a wood gasifier with the over draft, you open the over draft to get the fire going, than close it to send the smoke and gases through the combustion nozzle. The relay rod that opened the over draft, was around the side of the boiler, he would forget to reset it once the fire was going, than the heat would go up the chimney instead of through the combustion nozzle. Once the fire temperature is up to a certain point the latch drops off and the weighted damper shuts and the under draft starts flowing. The blower injects air into the combustion nozzle burning the gases at a much higher temperature.
Before if the over draft handle was not reset, then the under draft never starts. With the handle moved up front, and a set of microswitches wired to a annoyingly loud alarm buzzer, he does not forget to reset the handle.
Look to mechanical before electronic.
Dan.
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  #14  
Old 11-08-2018, 12:28 PM
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toprecycler toprecycler is offline
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Quote:
Originally Posted by Lu47Dan View Post
I think you are all over thinking it.

To make them use it, make up a series of rods and levers to bring the operator to the front of the boiler and interlock it into the loading door.

So to load the boiler, the cleaning handle would have to be operated to unlatch the boilers loading door.

Did something similar on a wood gasifier with the over draft, you open the over draft to get the fire going, than close it to send the smoke and gases through the combustion nozzle. The relay rod that opened the over draft, was around the side of the boiler, he would forget to reset it once the fire was going, than the heat would go up the chimney instead of through the combustion nozzle. Once the fire temperature is up to a certain point the latch drops off and the weighted damper shuts and the under draft starts flowing. The blower injects air into the combustion nozzle burning the gases at a much higher temperature.

Before if the over draft handle was not reset, then the under draft never starts. With the handle moved up front, and a set of microswitches wired to a annoyingly loud alarm buzzer, he does not forget to reset the handle.

Look to mechanical before electronic.

Dan.


Good points. This is exactly like the boiler in question.


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