Fuller® Airslide™ Conveying Technology Fluidized Gravity Conveying Systems Economical, energy-efcie energy-efcient nt High capacity, high perormance Versatile and reliable
The Free Power of Gravity
Y G O L O N H C E T G N I Y E V N O C
•
•
•
•
Engineered systems Single source responsibility Global service and technology support Reliable designs based upon experience
FLSmidth’s Airslide™ Air Gravity Conveying System uses the orces o gravity to do most o the work without any moving parts. Material is uidized through a porous media with low pressure air. Material ow is achieved by sloping the Airslide conveyor to match the uidized angle o repose o the powdered material. At the correct slope, uidized materials ow with the consistency o a liquid. Airslide Air Gravity systems provide highcapacity material handling while oering many economical and environmental advantages. Energy requirements are minimal because only a small volume o air at a low pressure is required to move material. Since the system is installed overhead, valuable oor space and added headroom are available or other purposes. By eliminating the need or massive support members, it permits a exibility o plant design not available with straight-line conveyors. The Airslide conveyor is dust tight. As a result, the system is extremely riendly to the environment.
™
E D I L S R I A
Noise level is extremely low in the area surrounding the Airslide conveyor as the system’s air supply is the only moving part to generate noise, and it is generally located in a remotely insulated area to urther reduce noise. Maintenance o the Airslide conveyor is v ery simple because there are no moving parts other than the air supply equipment, which also contributes to increased plant saety. Airslide conveyors require no lubrication. Typical Airslide™ Conveyor Applications Distribution rom bucket elevators to storage silos Gathering under baghouses / precipitators Feed to process Feed to other conveyors Loadout rom bulk silos to trucks, railcars or barges In-plant conveying Storage silo / bin withdrawal •
• • • •
• •
The Principle of Fluidization: Driving low-pressure, low-velocity air through and between particles o a dry bulk material, changing its behavior characteristics and making it ow more like a liquid than a solid
1 45°
All y ash has a natural angle o repose, oten in excess o 45 degrees.
3 8° 2 > 45° Without any uidization, the Airslide™ conveyor would have to be inclined on an angle greater than the angle o repose to establish gravity ow.
With uidization, gravity ow can be achieved at a greatly reduced slope o 8 degrees or less.
Airslide™ Conveyor Fluidization FLSmidth Airslide Aeration Unit Packages are supplied or installation as aeration units on the sloped conical bottoms o bins and silos to aid in the withdrawal o dry, relatively reeowing material. • • • • • •
Aerated bin bottom
Withdrawal o dry, ree-owing materials For bins and silos Three or six spoke confgurations Replaces vibrating bin activators No atigue-inducing orces imparted into vessel Aerated bin bottoms
Proven Airslide Applications Alumina Barytes Bentonite Calcined magnesite Cement raw and fnish material Clay Fly ash
Ground ores Gypsum Lime/Limestone Phosphates Precipitator dust Resins Silica and more
Airslide Conveyor Gathering for Dust Collectors •
• • •
Low maintenance - No moving parts - Minimal abric wear (change out required every 5-10 years) Low noise level - blower noise only Clean Operates smoothly regardless o downstream equipment rate
Airslide Conveying: Quiet & Simple Point-to-Point Transfer • • •
•
•
Positive ow regulation (low - high capacities) Quiet operation Low maintenance — no rotating parts in contact with materials being From Silo conveyed Fully uidized gentle conveying action Minimized wear rom abrasion
Typical isolation and fow control valve arrangement
Enlarged detail
Drum roller
Generally, materials passing through 35 mesh US std. (500 microns) can be conveyed through an Airslide ™ Conveyor
A2P™: Airslide™ Conveyor to FK Pump Continuous Conveying System FLSmidth’s Airslide Conveyor is a main component in the A2P Continuous Conveying system. • • • •
•
Nearly maintenance-ree Capital cost reduced by as much as 50% Continuous product removal rom collection hoppers Only two moving pieces between collection hopper and storage Continuous conveying to storage
Airslide System Recirculation: SO 2 Mitigation - Circulating Dry Scrubbers For pebble lime and limestone (unloading, conveying and injection) Most new plants will be designed with some orm o SO 2 mitigation in the orm o wet or dry scrubbers. Such scrubbers are also being retroftted on existing plants or (a) environmental compliance and (b) to allow or the switch to less expensive high sulphur coals.
Dry scrubber
Standard FLSmidth Airslide systems can be employed or all o these lime-based handling applications. Specialized “circulating dry scrubbers (CDS)” all employ FLSmidth Airslide technology.
Airslide Loading and Unloading Systems Railcar High-capacity loading and unloading Trailer Dust-controlled loading and unloading Large Diameter Silos Efcient flling and unloading systems Uniorm flling system •
•
•
•
Designed or dependability. Proven to perorm. Fuller® Airslide™ System Operation Air-activated gravity conveyor Fluidization o material on the Airslide media Fluidization reduces the angle o repose causing ow. Example: A material with a normal angle repose o 45º with uidization may ow like a liquid on a 5º to 6º slope • •
Fluidized material chamber
•
•
Manuacturing Standards Heavy-gauge steel sections with bent anges Airslide conveyors are shipped in standard section lengths o 3 meters Standard widths o uidized area is 4” up to 34” (100 to 850mm) Bolted airtight construction Optional media available or high temperature and highly abrasive materials There is no conveying length limitation to the Airslide conveyor based upon availability o
Porous membrane abric
• •
•
•
Low pressure air chamber (.5 - 5.0 psi, or 35 - 345 mbar)
•
•
headroom and proper slope.
Proprietary Airslide Fabric Proprietary weave designed or air gravity conveyors Even permeability over the entire length o abric - requires only one air connection every 100 eet (30 meters) - no “dead” zones
Airslide™ Conveying Multiple Inlet to Multiple Outlets
•
Flexibility - No additional conveyors needed to change directions Single Power Source - One blower or an is sufcient or system High Capacity / Long Distance - Conveying volumes up to 1,500 cubic meters (56,000 cu. t.) and conveying distances in the 100’s o eet/meters
•
•
•
•
K M
A
I
J
L L
N
GF H
B D
C E
Q
O P
A. Blank End Plate B. Air Connection C. Air Control Valve D. Positive Displacement Blower E. Fan F. Rotary Cut-O Valve
J. Side Discharge Valve K. Observation Port L. Turnbox M. Discharge Box N. Vent Connection O. Airslide™ Conveyor Swivel
Fuller® Airslide™ Conveying Media Options Section
Material
Application
F
Woven 5-ply polyester
Standard up to 350°F (177°C)
FN
Needle elt non-woven
Standard non-silo bottom applications
D
FS
Silicon-treated polyester
Special or static dissipation
KN
Needle kevlar abric
Standard non-silo bottom applications up to 475°F (246°C)
K
Woven kevlar abric
Standard including silo bottom applications up to 475°F (246°C)
Woven fberglass
High temperature up to 850°F (454°C)
GAX 19
c
B A
B See chart below or dimensions
Hi-Top Design Size
A
Nominal capacity
Type mm (1) cu.t./hr.
B
C
D
Weight
cu.m/hr.
(1) in.
mm
(1) in.
mm
(1) in.
mm
lb./t.
kg./m
4
100
720
20
1.25
32
7.87
200
2.95
75
13
19
6
150
1200
34
1.25
32
7.87
200
2.95
75
15
22
8
200
3060
87
1.25
32
11.81
300
2.95
75
20
30
10
250
4030
114
1.25
32
11.81
300
2.95
75
22
33
12
300
7620
216
1.25
32
15.75
400
2.95
75
26
39
14
350
12700
360
1.25
32
19.69
500
2.95
75
30
45
16
400
15000
425
1.25
32
19.69
500
2.95
75
32
48
19
480
21200
600
1.50
38
22.05
560
2.95
75
38
57
24
600
56000
1586
2.25
57
23.62
600
3.94
100
46
68
34
850
87000
2464
3.0
76
35.83
910
3.94
100
100
149
Nominal capacity ratings are based upon loose poured bulk density o the material and proper application. (1) English dimensions and capacities are nominal © FLSmidth 2009. This brochure makes no oers, representations or warranties (express or implied), and inormation and data contained in this brochure are or general reerence only and may change at any time. Please contact us or specifc inormation or data that may relate to your interests.
www.s-pt.com Up-to-date addresses o worldwide subsidiaries and sales ofces are available rom our website
DENMARK
USA
INDIA
FLSmidth A/S Vigerslev Allé 77 DK-2500 Valby Copenhagen Tel: +45 36 18 10 00 Fax: +45 36 30 18 20 Email: ino@smidth.com
FLSmidth Inc. 2040 Avenue C Bethlehem, PA 18017-2188 Tel: +1 610-264-6011 Tel: +1 800-523-9482 Fax: +1 610-264-6170 Email: ino-us@smidth.com
FLSmidth Private Limited FLSmidth House 34, Egatoor, Kelambakkam (Rajiv Gandhi Salai - Chennai) Tamil Nadu – 603 103 Tel: +91-44-4748 1000 Fax:+91-44-2747 0301 E-mail: indiain
[email protected]
E D I L S R I A 9 0 0 2 0 1
