Polyester bags in a bag house are suitable. Silica dust is highly abrasive. Conservative design is essential. You will need the help of an experienced designer to design the ducting, the bag house and the dust disposal system.

Michael Reid. ■

Design ducting for maximum 20 m/s, minimum 18 m/s otherwise you will wear out your ducting prematurely. Make the bends have conservative radius (centreline 2 x diameter). The bend material thickness should be 2 x ducting thickness. Consult closely with your baghouse supplier on the details of construction, especially the inlet connection. For instance, inlet velocity max. 15 m/s.

Good luck. ■

Dear Uditha:

I am Charlie in Leemeasure. I have 30 years for process and engineering for international project. I suggest maybe you not only need a filer (bag house) but a cyclone.

I put a drawing in attached, If you can't see it please contact me by leemeasure@126.com. It is my special design for trapping the high density dust.

Regards

Charlie

Leemeasure Shanghai China

Moble: 0086-1516-2365-865 ■

Originally Posted by udithausk

Hi

any one have experience of trapping quartz silica dust ? are Polyester bags suit to this application ?

dust generation density is very higher , there for we plan to use bag house dust collector with pule jet cleaning system.

Dear Uditha,

Quartz Silica Dust used with KF-D

Yes, it can be used with KF-D. Water ratio might need adjustment based on dryness of aggregates.

KF-D will work as a soil compaction admixture Quartz Silica Dust .

http://www.kalmatron.com/5-KF-D.html

KALMATRON® KF-D

Kalmatron® KF-D is a light gray powder with a specific smell, which disappears after application. Similar to KF-C, this product is to be used for very specific applications such as improving cement containing EarthMaterials-Sealants (EMS). The application of KF-D chemically changes the structure of soil and building material liners by increasing the density of the mixture and decreasing its hydraulic conductivity (ease with which water can move through it). The degree of improvement depends on the initial density of the structure. For crumbling soil, it is almost 100 times as effective as for untreated soil in stopping leaks and moisture flow or seepage.

Quartz Silica Dust used with KF-D

• KF-D is ideal for improving the compaction and impermeability of soil;

• Reduces hydraulic conductivity of most known soils up to 98.2%;

• When added to standard EMS mixes, it can be injected into sinkholes, foundations, tunnels, dams, wet and polluted soils;

• Improves binding with standard concrete fillers and particles of soil;

• Stops leaks and prevents future leaks by increasing density;

• Completely reduces bubbling of standard mixture;

• Hardening time is adjustable by using different amounts of KF-D; and

• KF-D does not affect the environment.

Compaction of Treated Specimens

Specimens Treated Untreated (%) Treated (%)

Brown Clay Sand 86 97

Gravelly Clay 88 95

Gravel & Sand 79 96

Masonry 66 89

Light Concrete 69 98

Do not hesitate to ask about sample for your trials even on a job site.

With Best Regards,

Dilip Shah/Ms. Helen Alex Rusinoff

NRD Industries. USA

E-mail : nrdindustries@gmail.com

WhatsApp : 0018483911248

Viber : 0018483911248 - Free calls Worldwide

E-mail : nrdindustries@gmail.com

Skype ID: dilipshah26

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