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Return to: Steam Power |
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#Post#: 274-------------------------------------------------- |
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boiler water level, searching for site tube source???? |
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By: burnit0017 Date: August 21, 2013, 9:21 am |
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Hi, does anyone know where I can find a suitable site tube that |
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can used with flash boiler? Acrylic or glass?? |
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If spark plugs are used to detect the high and low water level |
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with LED electronic circuit, is there a problem with the spark |
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plugs rusting? Should the boiler be connected to earth ground? |
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#Post#: 275-------------------------------------------------- |
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Re: boiler water level, searching for site tube source???? |
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By: crazyguy Date: August 21, 2013, 12:52 pm |
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don't know about site tube, but the spark plugs. can't you get |
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platinum ones? the led circuit could be it's own circuit and I |
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don't know why it would need an earth ground. Just put a 9v |
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battery, led and spark plug in a series circuit. close up the |
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gap to very small, it may work. I guess it depends how much |
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mineralization the water has. |
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I was wondering what you do about "scale" in a monotube boiler. |
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It sure clogs up my water heater and home humidifier. |
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#Post#: 333-------------------------------------------------- |
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Re: boiler water level, searching for site tube source???? |
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By: sut Date: September 2, 2013, 7:33 pm |
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[PDF] |
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Building a Flash Steam Boiler Published by Lima ... - Smashwords |
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I don't know if this will help but worth a look! copy and past |
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into google |
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#Post#: 334-------------------------------------------------- |
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Re: boiler water level, searching for site tube source???? |
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By: admin Date: September 2, 2013, 10:01 pm |
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I strongly advise against building a boiler with any kind of |
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pressure vessel. The Lamont design has a pressure vessel. If |
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you need a sight glass it isn't strictly a monotube. I don't |
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like criticizing but feel I need to be on record here |
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discouraging pressure vessel boilers. It isn't as dangerous as |
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a big pressure vessel, but still has potential to rupture and |
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release a lot of hot scalding water and steam. |
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I have had monotube boilers leak, rupture, break a weld...the |
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worst that happens is pressure drops and water leaks out. |
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A safety relief valve needs to be sufficient to release a lot of |
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volume. Air pressure tank relief valves aren't good enough when |
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using a pressure vessel. |
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The Lamont boiler was used for engines that were required to |
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deliver a wide range of power in a short span (Navy ships). |
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Similar to merging on a freeway and then coming off the gas. If |
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you are building a steady rpm type motor to turn a generator you |
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wont need the large reservoir of energy the Lamont is designed |
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for. |
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Think about eliminating the Lamont design aspect and just use |
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tubing. |
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I used a single sensor about 1/2 way up to sense water. This |
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was a spark plug screwed into a 1/4" MPT fitting in the monotube |
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circuit. I did a YouTube video on the very simple circuit for |
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activating a small electric pump. Google "lynx steam boiler |
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circuitry youtube" If you don't want to use the electric pump |
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you can control a solenoid to allow cool water in from an air |
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pressure tank filled with water. As long as the air pressure in |
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the tank is higher than boiler it will fill. I use 12 volt |
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solenoids on the inlet. |
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#Post#: 335-------------------------------------------------- |
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Re: boiler water level, searching for site tube source???? |
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By: crazyguy Date: September 3, 2013, 8:11 am |
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What about using a pressure valve from a water heater? They are |
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supposed to release at around 150 psig. |
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