[Steam-engine] boiler feedwater injector conection

[Eric Applegate]

I would like to know what some of our boiler guys think about drilling and taping a hole for the feed water under your steam oulet?  Also what size is your exhaust on your engine I have some feed water heaters that might work for you.

Eric


From: "Richard Strobel" <Richard_Strobel7 at msn.com>
Reply-To: Steam-engine mailing list <steam-engine at lists.stationary-engine.com>
Date:  Sat, 5 Nov 2005 16:11:50 -0700

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>> Rick
>>
>>   Usually the steam supply is from the highest port you can find on  the
>> boiler. The injection point can vary from midway on the boiler to near the
>> bottom. I don't think I have seen one teed int the trycock? I'm not sure 
>> if an
>> injector will work if it is injecting above the water level but it might? 
>> I have
>> mine teed int a 1" port near the bottom. I have a blow down valve there 
>> and
>> a half inch blowdown on the other side of the boiler as well. Seems to 
>> work
>> fine for me.
>
>
>Ok Charlie.  I have the top port 1/2".  I will have to find out about 
>hooking up the injector to the bottom 1" port.  Maybe he meant he didn't 
>want cold duplex pump water injected down at the bottom.  Would be 
>interesting to see a preheater that someone may have on a stationary.  I 
>also have 1/2" port ,,180 out from the 1"...there are no ports in the middle 
>except for the three trycocks.
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>>
>>   I have two half inch injector feeding from the same steam line and 
>> feeding
>> water in the same injection line. Each has its own steam valve and check
>> valve. One is a low pressure and one is a standard. They work well and 
>> even work
>> tandem if you wish to inject that much water at once. I like having a back 
>> up
>>  injector. I will send you picture off the list.
>
>So I need a checkvalve per injector with handvalve?
>
>Nice pix's..will study them some more.
>Rick 
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--
Thanks,
     Eric Applegate
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