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Ir filtration system - any recommendations?



 
 
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  #1  
Old June 18th 08, 07:04 PM posted to rec.crafts.glass
Kris Krieger
external usenet poster
 
Posts: 43
Default Ir filtration system - any recommendations?

Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. Best would be somehting that coudl be lifted onto the
working surface during soldering/grinding (tho' I intend to do most of my
grinding outside, as I have a covered porch), then lifted off and moved
when I'm wither scoring glass, or using the table for some other purpose.

TIA!

- Kris

Ads
  #2  
Old June 18th 08, 10:26 PM posted to rec.crafts.glass
Chemo the Clown
external usenet poster
 
Posts: 143
Default Ir filtration system - any recommendations?

On Jun 18, 11:04*am, Kris Krieger wrote:
Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. *Best would be somehting that coudl be lifted onto the
working surface during soldering/grinding (tho' I intend to do most of my
grinding outside, as I have a covered porch), then lifted off and moved
when I'm wither scoring glass, or using the table for some other purpose.

TIA!

- Kris


Hakko makes a good fume trap and if you have a way to vent the air
outside you could juririg a stove top exhaust. It's the fumes from the
flux that you need to vent away not from grinding unless you are
grinding dry.
  #3  
Old June 19th 08, 12:06 AM posted to rec.crafts.glass
Kris Krieger
external usenet poster
 
Posts: 43
Default Ir filtration system - any recommendations?

Chemo the Clown wrote in
:

On Jun 18, 11:04*am, Kris Krieger wrote:
Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. *Best would be somehting that coudl be lifted
onto

the
working surface during soldering/grinding (tho' I intend to do most
of my grinding outside, as I have a covered porch), then lifted off
and moved when I'm either scoring glass, or using the table for some
other purpose.

TIA!

- Kris


Hakko makes a good fume trap and if you have a way to vent the air
outside you could juririg a stove top exhaust. It's the fumes from the
flux that you need to vent away not from grinding unless you are
grinding dry.


Thanks, I'm looking up their info

((I'm trying to decide whether I should go for a fume hood or fume
collector, or whether I could get away with turning my Miele on and wiring
the nozzle to the desk (it has a HEPA filter and I can get either super-
filter bags, or HEPA bags for "double filtering"), or whether I should get
a window fan (pointed outdoors) and rig up a duct. Or maybe just get a
small folding table and chair and do it outside before the day heats up too
much ))

- Kris
  #4  
Old June 19th 08, 03:07 AM posted to rec.crafts.glass
[email protected]
external usenet poster
 
Posts: 5
Default Ir filtration system - any recommendations?


I have 15 or so Honeywell HEPA air cleaners all over my 2500 sqft
shop. I got 6 from this guy a few monthsb ago. The price is cheaper
than buying replacement filters
http://cgi.ebay.com/Honeywell-17250-...QQcmdZViewItem

Vic
  #5  
Old June 19th 08, 03:46 PM posted to rec.crafts.glass
Chemo the Clown
external usenet poster
 
Posts: 143
Default Ir filtration system - any recommendations?

On Jun 18, 7:07*pm, wrote:
I have 15 *or so Honeywell HEPA air cleaners all over my 2500 sqft
shop. I got 6 from this guy a few monthsb ago. The price is cheaper
than buying replacement filtershttp://cgi.ebay.com/Honeywell-17250-Air-Purifier-SilentComfort-True-H...

Vic


15? Geez, your shop must be in a cave! I have about 2200 shop and have
one overhead extractor exhaust in my work area that moves over 800 cfm.
  #6  
Old June 19th 08, 04:14 PM posted to rec.crafts.glass
[email protected]
external usenet poster
 
Posts: 320
Default Ir filtration system - any recommendations?

On Jun 18, 4:06 pm, Kris Krieger wrote:
Chemo the Clown wrote :



On Jun 18, 11:04 am, Kris Krieger wrote:
Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. Best would be somehting that coudl be lifted
onto

the
working surface during soldering/grinding (tho' I intend to do most
of my grinding outside, as I have a covered porch), then lifted off
and moved when I'm either scoring glass, or using the table for some
other purpose.


TIA!


- Kris


Hakko makes a good fume trap and if you have a way to vent the air
outside you could juririg a stove top exhaust. It's the fumes from the
flux that you need to vent away not from grinding unless you are
grinding dry.


Thanks, I'm looking up their info

((I'm trying to decide whether I should go for a fume hood or fume
collector, or whether I could get away with turning my Miele on and wiring
the nozzle to the desk (it has a HEPA filter and I can get either super-
filter bags, or HEPA bags for "double filtering"), or whether I should get
a window fan (pointed outdoors) and rig up a duct. Or maybe just get a
small folding table and chair and do it outside before the day heats up too
much ))

- Kris


In calculating fan capacity for fume exhaust there are type A and type
B exhaust requirements. Flux fumes are noxious and rated as type A.
That means your fan capacity should be 125 times the face surface area
of your hood. If you have a 24" x 30" hood, you need a fan that draws
625 cubic feet per minute.

Many glass artisans (for stained glass and torchworking) have rigged
an overhead hood with an inline duct fan like these:
http://www.vicartglass.com/products/...ts%20fans.html

Dennis Brady
Victorian Art Glass
www.vicartglass.com
  #7  
Old June 20th 08, 12:57 AM posted to rec.crafts.glass
[email protected]
external usenet poster
 
Posts: 5
Default Ir filtration system - any recommendations?

On Jun 19, 10:46 am, Chemo the Clown wrote:
On Jun 18, 7:07 pm, wrote:

I have 15 or so Honeywell HEPA air cleaners all over my 2500 sqft
shop. I got 6 from this guy a few monthsb ago. The price is cheaper
than buying replacement filtershttp://cgi.ebay.com/Honeywell-17250-Air-Purifier-SilentComfort-True-H...


Vic


15? Geez, your shop must be in a cave! I have about 2200 shop and have
one overhead extractor exhaust in my work area that moves over 800 cfm.


These Honeywell units say they change the air in an 13'x13' room 6
times and hour. So I need about 15 units. I think these are better
than and overhead unit as they are right on the benches where the dust
and fumes are created. Not pulling all the dust through out the shop
to the ceiling unit.
  #8  
Old June 20th 08, 04:00 AM posted to rec.crafts.glass
[email protected]
external usenet poster
 
Posts: 5
Default Ir filtration system - any recommendations?

On Jun 19, 9:47 pm, Steve Ackman
wrote:
In ,
on Wed, 18 Jun 2008 19:07:30 -0700 (PDT), ,

wrote:

I have 15 or so Honeywell HEPA air cleaners all over my 2500 sqft
shop. I got 6 from this guy a few monthsb ago. The price is cheaper
than buying replacement filters


I imagine you didn't have to pay the exorbitant
shipping fees though... since you live practically
next door, you could just pick them up.


They gave a discounted shipping price and I got the order in 2 days
  #9  
Old June 20th 08, 02:20 PM posted to rec.crafts.glass
Joe
external usenet poster
 
Posts: 4
Default Ir filtration system - any recommendations?

On Wed, 18 Jun 2008 18:06:04 -0500, Kris Krieger
wrote:

Chemo the Clown wrote in
:

On Jun 18, 11:04*am, Kris Krieger wrote:
Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. *Best would be somehting that coudl be lifted
onto

the
working surface during soldering/grinding (tho' I intend to do most
of my grinding outside, as I have a covered porch), then lifted off
and moved when I'm either scoring glass, or using the table for some
other purpose.

TIA!

- Kris


Hakko makes a good fume trap and if you have a way to vent the air
outside you could juririg a stove top exhaust. It's the fumes from the
flux that you need to vent away not from grinding unless you are
grinding dry.


Thanks, I'm looking up their info

((I'm trying to decide whether I should go for a fume hood or fume
collector, or whether I could get away with turning my Miele on and wiring
the nozzle to the desk (it has a HEPA filter and I can get either super-
filter bags, or HEPA bags for "double filtering"), or whether I should get
a window fan (pointed outdoors) and rig up a duct. Or maybe just get a
small folding table and chair and do it outside before the day heats up too
much ))

- Kris


One thing to consider is that HEPA stands for (more or less) "High
Efficiency Particulate Air" filter. The key word here is
"particulate". Although they are very good at trapping very tiny
particles, there is a lot of non-particulate stuff (fumes) that are
released during soldering. HEPA won't do squat about those.

Like Chemo noted, you need a fume trap (does Hakko make one big enough
for sg work? I only know of their electronics stations). A homemade
fume hood using a stove hood and venting *outside* would be much
better than any filtration system. Just extend the sides of the hood
down further towards your bench.

Of course, there are advantages for good air filtering as well, but
ridding a shop of fumes ain't one of them.

Joe
  #10  
Old June 20th 08, 10:56 PM posted to rec.crafts.glass
[email protected]
external usenet poster
 
Posts: 320
Default Ir filtration system - any recommendations?

On Jun 20, 6:20*am, Joe wrote:
On Wed, 18 Jun 2008 18:06:04 -0500, Kris Krieger
wrote:



Chemo the Clown wrote in
:


On Jun 18, 11:04*am, Kris Krieger wrote:
Hi, ALl, I was wondering whether anyone is familiar with air-
filtration/fume hood type systems suitble for a very small in-home
glassworking bench. *Best would be somehting that coudl be lifted
onto
the
working surface during soldering/grinding (tho' I intend to do most
of my grinding outside, as I have a covered porch), then lifted off
and moved when I'm either scoring glass, or using the table for some
other purpose.


TIA!


- Kris


Hakko makes a good fume trap and if you have a way to vent the air
outside you could juririg a stove top exhaust. It's the fumes from the
flux that you need to vent away not from grinding unless you are
grinding dry.


Thanks, I'm looking up their info


((I'm trying to decide whether I should go for a fume hood or fume
collector, or whether I could get away with turning my Miele on and wiring
the nozzle to the desk (it has a HEPA filter and I can get either super-
filter bags, or HEPA bags for "double filtering"), or whether I should get
a window fan (pointed outdoors) and rig up a duct. *Or maybe just get a
small folding table and chair and do it outside before the day heats up too
much ))


- Kris


One thing to consider is that HEPA stands for (more or less) "High
Efficiency Particulate Air" filter. The key word here is
"particulate". Although they are very good at trapping very tiny
particles, there is a lot of non-particulate stuff (fumes) that are
released during soldering. HEPA won't do squat about those.

Like Chemo noted, you need a fume trap (does Hakko make one big enough
for sg work? I only know of their electronics stations). A homemade
fume hood using a stove hood and venting *outside* would be much
better than any filtration system. Just extend the sides of the hood
down further towards your bench.

Of course, there are advantages for good air filtering as well, but
ridding a shop of fumes ain't one of them.

Joe


HEPA filters are great for filtering out dust and such but are pretty
much useless for removing aerosolled flux fumes. This can be easily
demonstrated by placing a piece of cloth or paper towel over the
exhaust - which will expediently dampen from the condensed flux.

Use filters to remove dust. Exhaust to outside to remove noxious
fumes.
 




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