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Old 08-05-2017, 07:51 PM
Doug Terrell Doug Terrell is offline
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Bullseye Furnaces and Baghouse

Does anyone know what type of furnace Bullseye uses? They appear to be to single pot gas fired. Any idea on what size?

And how does this baghouse work? I would assume all of the exhaust is going through but that would be high heat. The prototype they have shown appears to be a simple affair.
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Old 08-06-2017, 07:06 AM
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Pete VanderLaan Pete VanderLaan is offline
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They can be bigger. It's essentially an enclosure that runs on positive suction and draws all the fumes ( door too) to a ceramic filter which must not be overheated. Gaffer uses an air conditioner to keep the filter cool. It gums up if it gets too hot. The filters are expensive . You can expect to spend $25-30K on the tooling for one. Here's a primary source:

http://www2.donaldson.com/torit/en-u...FVFbhgodRl0BUw
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Old 08-06-2017, 05:40 PM
Doug Terrell Doug Terrell is offline
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It seems it would take quite a bit of energy to cool the flue gases. Or are the somehow keeping the glass fumes away from the burner/gas flue?
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Old 08-06-2017, 06:57 PM
Dennis Hetland Dennis Hetland is offline
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Quote:
Originally Posted by Doug Terrell View Post
Does anyone know what type of furnace Bullseye uses? They appear to be to single pot gas fired. Any idea on what size?

And how does this baghouse work? I would assume all of the exhaust is going through but that would be high heat. The prototype they have shown appears to be a simple affair.
Someone that was a ladeler there told me they had a 2000lb crucible furnace

Does their bag house include a limestone slurry spray/bath?
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Old 08-07-2017, 07:36 AM
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Pete VanderLaan Pete VanderLaan is offline
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1200 lb is my understanding but there are quite a few furnaces. .

The filter is not directly on the furnace. It's in the baghouse in line with the ventilation. If it gets too hot, the materials clog and stick to the filter which still has to be cleaned. Clogged ones are seriously clogged and don't survive but Donaldson will happily sell you another filter for large dollars .Gaffer put an AC unit on to keep the temps down at the filter. It's on a thermostat and is a very simple solution to the problem. It still needs a collection site which takes up space.
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