Boilers, Economisers
Fans/ Blowers
Heat Exchangers
Spray Dryers
Bag Filters
Electrostatic Precipitators
Hoppers/ Bins/Silos
Ducts
 
 
 
HARLEY NIRAFON QUESTIONNAIRE
FOR - HOPPER / BIN / SILO
   
Company Name :
Address :
Phone No. :
Fax No. :
Email :
Contact Person :
Type of Industry :
 

Material Handled :
Density :  
Moisture % : Normal:   %           Max :    %
Temperature : Normal:   °C          Max :     °C
Particle size :
Nature of dust :
Explosive Corrosive/Reactive Abrasive    
Sticky       Combustible            Hygrosopic
Packs and Aerates     Food Grade
Others (please specify)
 
Details of Hopper/Silo/Bin 
Material of Construction
Steel Concrete Any other    (Please specify thickness)
Type of Loading & Unloading Continuous Intermittent Batch 
Method of Loading & Unloading Conveyor Pneumatic Conveying
Any other
Storage capacity      T         or           m3
Discharge rate
Whether vessel is pressurized Yes No ( If yes , Please fill Details Below )
Period of Storage of Material in hopper
Height upto which material is filled up
Liner, if any and its thickness:
Whether vessel is open/ closed at the top :
Insulation : THICKNESS        MM
Exact nature of problems being faced :
((SIDE WALL DEPOSITION/
BRIDGING/ ARCHING / RATHOLING ).
Present method of cleaning :
Frequency and duration of shutdown required for cleaning :
Compressed Air Availability  at     
6 Kg/cm2 :
(Which may be made available for our systems)
 
 
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