Sand House

Sand House

Postby briyeo » Tue Apr 10, 2018 10:07 am

I found it very difficult to find any information on early sand drying plants on the internet, almost all the info I did find was from railway modelling sources. This gave me some confusion on how these things worked for a while but I think I have it sorted now. The sand is shovelled in through the opening near the top from a wagon alongside, then it falls out at the bottom dry then shovelled into buckets for use, what happens in between remains a mystery apart from there is some sort of brick lined kiln or oven in there encased in metal.


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Re: Sand House

Postby Auscgu » Wed Apr 25, 2018 2:20 am

Briyeo

Some info about sand furnaces on the GWR
I found some info in the GWR London Division Engine Sheds by Chris Hawkins & George Reeves

The sand furnace working discription
Sand Furnace - Many sand furnaces are constructed on the wrong principles. These have a firebrick lined furnace, above and below which ovens are fixed. into these the wet sand is thrown, and there lies sodden until all moisture is eliminated. The sand furnaces used on the GWR have a hot chamber between the furnace and the chimney, and above this chamber there is a receptacle for the wet sand. In the roof of the hot chamber one or more gratings are fixed, through which the sand falls gradually, and is dried through in detail by the hot gases passing through the chamber. These furnaces are automatic in action, and dry at lease five times he quantity of sand as the old fashioned oven furnaces would with the same expenditure of fuel.


The picture of the sand furnace being constructed at OOC south side shows the building and chimney.
There was a siding in front of the building where the wagons where parked.
The two opening where where the sand was shoved direct from a wagon into the hopper above the hat gas chamber.
OOC South Sand Furnace 01.jpg


The drawing of the sand furnace building show the gas path from the two fire boxes and the gas passes under the upper sand hoppers and then returns to the chimney. The sand fall through the grate and then rills sideways to the collection hoppers at floor level.
OOC South Sand Furnace 02.jpg
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Re: Sand House

Postby Auscgu » Wed Apr 25, 2018 1:18 pm

Briyeo

I found another drawing of the Southall/Cardiff Canton sand Furnace.
THis shows the doors to the fire box that has chain lever to lift the doors.
Shows the relationship of the fire box and hot chamber as well.
Read this with OOC sand chamber and it makes more scene.
Southall S Furnace 01.jpg


The Didcot Engine shed had the more common small sand furnace and it was located outside the main doors.
The sand furnace is still in it original location at Didcot so may be worth a trip to find some more details.
Didcot S Furnace.jpg
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Re: Sand House

Postby briyeo » Thu Apr 26, 2018 4:47 pm

Thanks for these Auscgu, very interesting. :)
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