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      Moderators needed!   12/08/2017

      Ceramic Arts Network is looking for two new forum moderators for the Clay and Glaze Chemistry and Equipment Use and Repair sections of the Ceramic Arts Network Community Forum. We are looking for somebody who is an active participant (i.e. somebody who participates on a daily basis, or near daily) on the forum. Moderators must be willing to monitor the forum on a daily basis to remove spam, make sure members are adhering to the Forum Terms of Use, and make sure posts are in the appropriate categories. In addition to moderating their primary sections, Moderators must work as a team with other moderators to monitor the areas of the forum that do not have dedicated moderators (Educational Approaches and Resources, Aesthetic Approaches and Philosophy, etc.). Moderators must have a solid understanding of the area of the forum they are going to moderate (i.e. the Clay and Glaze Chemistry moderator must be somebody who mixes, tests, and has a decent understanding of materials). Moderators must be diplomatic communicators, be receptive to others’ ideas, and be able to see things from multiple perspectives. This is a volunteer position that comes with an honorary annual ICAN Gold membership. If you are interested, please send an email outlining your experience and qualifications to jharnetty@ceramics.org.

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I am in the planning process of a home pottery studio.  Are ceiling fans ok for ventilation?  I will also have windows and sliding doors.  I guess I was worried about swirling dust but I am conscious of keeping my clay area clean.

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Ceiling fans are for circulation not ventilation and a good way to move dust around. If the weather is right a fan in the window works, if not an air filtration system any be in order.

 

EDIT:

window fan exhausting to the outside

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Guest JBaymore

The "standard" order for addressing industrial-type ventilation control issues is:

 

1.  Local pickup ventilation

 

2.  General dilution ventilation

 

3.  Air filtration

 

You address the issues in that order........ unless one of the steps is impossible to accomplish due to the contaminant source.

 

A ceiling fan , if you mean one of those big propeller style things that is intended to circulate air from the ceiling area down toward the floor area, is about the worst choice for any kind of 'environmental comfort' issue.  For heating and cooling you want to have a low velocity air movements in the space as possible. 

 

For actual VENTILATION systems (like local pickup) you DO want air movement........ out of the breathing zone.

 

Note that active air filtration is always the LAST choice, not the first.

 

best,

 

.................john

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I avoid fans period. Beyond what John says, drafts warp pieces. I heat with ceramic panels. I love them. No noise nor draft. I have 5 in my studio in Montana. Texas was another story. A/C was absolutely necessary. That draft was not so serious and did not travel across the space.

Marcia

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The organization I work for is in the process of retrofitting a warehouse space into community art studios including a clay studio. The HVAC contractor who designed the air exchange system for our new facility thankfully had some personal and professional experience in clay studios, and designed a system using the mitigation of silica dust exposure as the highest priority. Clean incoming air will be delivered from the ceiling and move down toward the floor in a curtain (no swirling or circulating). Exiting air will be pulled from floor level, so any dust that is produced will be whisked away without traveling past the mouths and noses of studio participants. We will of course be using frequent mopping as our first line of defense.

 

The process has got me thinking about how to improve the air quality in my home studio. Right now I have very little air movement. This is better than lots of circulating air, but still not great. It can be pretty stale/musty in my studio (located in my unfinished basement). I have a three-pane ground-level window in my studio. My plan is to remove one of the panes and attach two blowers (like the blowers used in electric kiln vents) into the window frame (one blowing in, one blowing out) and run dryer tubing off the blowers. I'll position the incoming air tube on the ceiling, pointed down, and the outgoing air tube at floor level. It won't be the prettiest system, but I'll be the only one who has to look at it.

 

WoogiesPlace, perhaps some version of this floor-level exhaust will be helpful for your studio build. 

Marcia Selsor and GEP like this

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I have a central vacuum system in studio -the unit is outside. For dust in air I have a Delta air filter thats retrofitted with hepa

filter-along with a cheaper pre filter in front.

Its like this unit

https://www.amazon.com/dp/B00009LI48/?tag=ataofhoco-20

Jet also makes a good -one-these tend to be about $250-$300. You have to then find a heap filter source and adapt them to work with thsese units. This can be a simple as duct tape to making a metal holder that fits in front of the filters.These are standard filter sizes so its pretty easy to adapt them. I turn this on when making glaze in studio as it turns all my over about 10 times in 15 minutes.

My vacuum is my best idea and I wish I had it 40 years ago.

You can find my detailed post on that system off you use the search function on CAD.

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Guest JBaymore

My vacuum is my best idea and I wish I had it 40 years ago.

You can find my detailed post on that system off you use the search function on CAD.

 

This is great stuff.

 

best,

 

............john

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