- Combustible Dust & Static Electricity - Dr. Vahid Ebadat - Chilworth Technology, Inc.
- Dust Collection - Diane Cave, P.Eng - EPM Consulting
- Explosion Venting/Suppression - Dr. Gerd Mayer - Rembe, Inc.
- Mechanical Conveying - Bill Mecke, P.E. - KWS
- Mixing & Blending - Bob Luebbe - Custom Powder Systems
- Pneumatic Conveying - Bill Fucich - Volkmann Inc.
- Powder Flow - Eric Maynard - Jenike & Johanson
- Screening & Classifying - Manfred Bruckner - J. Engelsmann AG
- Storage - Keith McGuire, P.E. - CST Storage
- Valves, Gates, & Airlocks - Megan Thompson - ACS Valves
- We have recently had to change our raw materials from 50 lb bags to bulk bags...
In response to your question on minor ingredient addition, if you wish to transfer small quantities to a weigh vessel that is ce... read more - June 26th, 2015
Answered by: Bill Fucich
- I have a 16-in. diam by 18-ft long transfer screw conveyor in my plant convey...
Excellent question! Your problem is not uncommon and there are solutions to prevent this problem from reoccurring. Most bulk mat... read more - November 25th, 2014
Answered by: Bill Mecke, P.E.
- For dry powder blending, when is agitation required compared to simple tumble...
Powders that flow freely generally never require agitation and blend well with gentle tumbling action. Agitation is normally nee... read more - December 10th, 2014
Answered by: Bob Luebbe
- Why does air to cloth ratio matter?
Air to cloth ratio (ACR) is the relationship between the air flow (CFM or m3/s) of air going through the filter media... read more - June 25th, 2015
Answered by: Diane Cave, P.Eng
- During the processing of solid hexamine we go thru a phase in which the mater...
While indoor mechanical venting and mechanical isolation systems would not be an option, there are suppression systems that migh... read more - January 26th, 2015
Answered by: Dr. Gerd Mayer
- We have very large dust collectors located at our plant. They are located out...
The area surrounding the airlock/dust collector will most likely be “non-classified” only if the rotary valve discharges int... read more - June 9th, 2015
Answered by: Dr. Vahid Ebadat
- Presently we are drying powder, micronizing the dried powder, and sifting the...
The problem you describe with a changing particle size distribution after pneumatic conveying is not uncommon, though its cause ... read more - March 9th, 2015
Answered by: Eric Maynard
- In submitting requests for quotes to metal silo manufactures for my plant exp...
As with many industries, silo design and manufacturing is a competitive business. All reputable silo manufacturers customize the... read more - January 23rd, 2015
Answered by: Keith McGuire, P.E.
- We are presently using a Witte style classifier for PE custom compounds; the ...
A long-stroke granular screener with an air vent hat works for that application. So you blow in cold air at the bottom of the cl... read more - December 19th, 2014
Answered by: Manfred Bruckner
- On an 8 in. rotary valve the leakage is increasing over a period of time. At ...
Depending on the abrasion-resistant options on the valve, yes, the air leakage would increase over time due to internal wear. O... read more - April 22nd, 2015
Answered by: Megan Thompson
Do you have a question related to dry processing and solids handling? Ask the Experts at Powder/Bulk Solids (PBS)! PBS experts are on hand to offer industry- and application-specific advice on these topics: