silica dust

First, there are probably health and safety standards that need to be complied with. If your employer is operating 'off the grid', maybe wearing a mask would help. There's a mountain in West Virginia where the New River is. This mountain is substantially quartzite (SiO2 or silicon dioxide). During the depression drillers bored through that mountain to create this tunnel to move water from the river. A lot of those chaps succumbed to silica related lung illnesses. It's just a footnote in history; but not to the little town off Route 33 up in those hills....

Is this casting operation in cast iron business. Then this dust is during molding. If this true then you have to protect your self buy using hapa filter type is the best,

Is of a magnetism conceptualization do you comprehend? Ionize the particulate and sweep it away.

What location do you have? What do your local laws say on this subject?

Hi Rahul,

There are many companies in India who supply complete dust extraction plants.You can approach them for your requirements.

Suresh.Sharma.

In Norway and a few other countries they use "Olivine" sand as this will not cause silicosis. Olivine, a ferro-magnesium silicate does not degrade in the lungs, so try to find out who supplies this type of casting sand!

Spencer.

I install tile and my backer board of choice is hardibacker, Which has silica in it. there are two ways for me to cut it, an angle grinder or a set of hardie shears. My shears tore up so I'm using my grinder which causes the same problem. I do all my cutting outside so i'm not so exsposed.I assume you work in a plant so look into exhaust, air purification for cabinet shops. they handle the saw and sanding dust very well.

I work in the asphalt pavement and mining industry. We have two mining sites that crush sand stone. We use several different methods of reducing dust the two main ones are water suppression and the other is with a Bag-house. A water suppression system for you might not be the greatest idea, except maybe the watering down of the sand material. A Bag-house system might be a better method, it's basically a large vacuum that sucks the particulates out of the area and runs it through a series of finger like bags, where the dust gets stuck. If you are interested let me know I get some contact info for manufactures.

If the amount of silica dust is enough to warrant it, I'd say put in an exhaust system and a baghouse to collect the silica. Where I work we have a lot of silica dust from the process and have this setup.

If its silica only, its a fairly simple mater to remove it. Basic bag house. The question is how much dust is in the air, how big is the building, whats the air flow like in the building, is the dust confined to a specific area or is it constant throughout the shop. These are the questions that require someone with experience to look at it.

what is the bag house ? the problem is associated with entire shop not any specific area , but the major part which is to be treated is the place where the laddle is kept upside down for the removal of the remaining hot metal.

A Bag-house is basically a giant vacuum where a fan sucks the dust out of the area and filters it through a series of finger like bags. There are usually several hundred of these bags the dust becomes stuck to the out side of the bag and periodically the bags are vibrated to drop the dust to the bottom of the bag house then suck to a silo.

Here is a web site to North American manufactures: http://www.powersourcing.com/sg/pulsejetbaghouse.htm

There are many different types and uses I'm sure one of the manufactures list above can help, unless of course you not from N. America then a quick web search should be able to find one closest to your location.

Backerjohn is correct. There are different sizes of course. Some have 10 bags some have 100 bags. Depends on volume air and amount of dust in the air. Even if its a shop-wide problem it could still be a localized solution. Put the ductwork from the bag-house to the source of the problem and the dust is removed before it can spread. Believe it or not solving a bad dust problem will cut down on maintenance costs and improve the lifespan of equipment, computers, electrical systems, the building itself, the employees, and possibly improve your liability insurance rates. Maybe even get a tax right-off for going green (not sure about that.) Sure make OSHA happy.

could you please provide me some email addresses so that i may be able to contact them for the same