AirslideConveyingSystem Broch[1]

8/9/2019 AirslideConveyingSystem Broch[1]

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Fuller® Airslide™ Conveying Technology

Economical, energy-efficient

High capacity, high performance

Versatile and reliable

Fluidized Gravity Conveying Systems



A I R S L I D E ™ C O N V E Y I N G

T E C H N O L O G Y Engineered systems•

Single source•

responsibility

Global service and•

technology support

Reliable designs•

based upon

experience

The Free Power of Gravity

FLSmidth’s Airslide™ Air Gravity Conveying

System uses the forces of gravity to do most of

the work without any moving parts. Material

is fluidized through a porous media with low

pressure air. Material flow is achieved by

sloping the Airslide conveyor to match the

fluidized angle of repose of the powdered

material. At the correct slope, fluidized

materials flow with the consistency of a liquid.

Airslide Air Gravity systems provide high-

capacity material handling while offering

many economical and environmental

advantages. Energy requirements are minimal

because only a small volume of air at a low

pressure is required to move material. Since

the system is installed overhead, valuable

floor space and added headroom are

available for other purposes. By eliminating

the need for massive support members,

it permits a flexibility of plant design not

available with straight-line conveyors.The Airslide conveyor is dust tight.

As a result, the system is extremely

friendly to the environment.

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 further reduce noise.

Maintenance of the Airslide conveyor is very

simple because there are no moving parts

other than the air supply equipment, which

also contributes to increased plant safety.

Airslide conveyors require no lubrication.

Typical Airslide™ Conveyor Applications

Distribution from bucket•

elevators to storage silos

Gathering under baghouses / precipitators•

Feed to process•

Feed to other conveyors•

Loadout from 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 of a dry bulk material,

changing its behavior characteristics and making it flow more like a liquid than a solid

All fly ash has a natural angle of repose,often in excess of 45 degrees.

1

With fluidization,gravity flow can

be achieved at agreatly reducedslope -

of 8 degrees or less.

3

8°

Without any fluidization, theAirslide™ conveyor would haveto be inclined on an anglegreater than the angle ofrepose to establish gravity flow.

> 45°2

45°



Positive flow regulation (low - high capacities)•

Quiet operation•

Low maintenance — no•

rotating parts in contact

with materials being

conveyed

Fully fluidized gentle•

conveying action

Minimized wear from•

abrasion

Airslide Conveying: Quiet & SimplePoint-to-Point Transfer

Generally, materials passing through 35 mesh US std. (500 microns)

can be conveyed through an Airslide™ Conveyor

Enlarged detail

AluminaBarytesBentoniteCalcined magnesiteCement raw andfinish materialClayFly ash

Ground oresGypsumLime/LimestonePhosphatesPrecipitator dustResinsSilicaand more

Proven Airslide Applications

Airslide Conveyor Gathering for Dust Collectors

Low maintenance•

No moving parts-

Minimal fabric wear (change out required every 5-10 years)-

Low noise level - blower noise only•

Clean•

Operates smoothly regardless of downstream equipment rate•

Airslide™ Conveyor Fluidization

FLSmidth Airslide Aeration Unit Packages are supplied for

installation as aeration units on the sloped conical bottoms of

bins and silos to aid in the withdrawal of dry, relatively free-

flowing material.Withdrawal of dry, free-flowing materials•

For bins and silos•

Three or six spoke configurations•

Replaces vibrating bin activators•

No fatigue-inducing forces imparted into vessel•

Aerated bin bottoms•

From Silo Typical isolation

and flow control

valve arrangement

Drumroller

Aerated bin bottom



Nearly maintenance-free•

Capital cost reduced by as much as 50%•

Continuous product removal from collection hoppers•

Only two moving pieces between collection hopper•

and storage

Continuous conveying to storage•

A2P™: Airslide™ Conveyor to FK Pump Continuous Conveying System

FLSmidth’s Airslide Conveyor is a main component in the

A2P Continuous Conveying system.

Airslide System Recirculation: SO2 Mitigation - Circulating Dry Scrubbers

For pebble lime and limestone (unloading, conveying and injection)

Most new plants will be designed with some form of SO2 mitigation in the form of wet or dry scrubbers.

Such scrubbers are also being

retrofitted on existing plants for (a)environmental compliance and (b) to

allow for the switch to less expensive

high sulphur coals.

Standard FLSmidth Airslide systems

can be employed for all of these

lime-based handling applications. Specialized “circulating dry scrubbers (CDS)” all employ FLSmidth Airslide

technology.

Dryscrubber

Railcar

High-capacity loading•

and unloading

Trailer

Dust-controlled loading•

and unloading

Large Diameter Silos

Efficient filling and•

unloading systems

Uniform filling system•

Fluidized silo bottom•

Airslide Loading and Unloading Systems



Designed for dependability.

Proven to perform.Fuller

®

Airslide™

System OperationAir-activated gravity conveyor•

Fluidization of material on the Airslide media•

Fluidization reduces the angle of repose causing•

flow.

Example: A material with a normal angle repose•

of 45º with fluidization may flow like a liquid on a

5º to 6º slope

Manufacturing Standards

Heavy-gauge steel sections with bent flanges•

Airslide conveyors are shipped in standard section•

lengths of 3 meters

Standard widths of fluidized area is 4” up to 34”•

(100 to 850mm)

Bolted airtight construction•

Optional media available for high temperature•

and highly abrasive materials

There is no conveying length limitation to the•

Airslide conveyor based upon availability of

headroom and proper slope.

Proprietary Airslide Fabric

Proprietary weave designed for air gravity•

conveyors

Even permeability over the entire length of fabric•

requires only one air connection every 100 feet-

(30 meters)

no “dead” zones-

Fluidized materialchamber

Porousmembrane

fabric

A. Blank End Plate

B. Air ConnectionC. Air Control Valve

D. Positive Displacement Blower

E. Fan

F. Rotary Cut-Off Valve

G Inlet Neck

J. Side Discharge Valve

K. Observation Port L. Turnbox

M. Discharge Box

N. Vent Connection

O. Airslide™ Conveyor Swivel

Assembly

A

B

CD

E

FGH

IJK

LLM

N

O

P

Q

Flexibility•

No additional conveyors needed to change-

directions

Single Power Source•

One blower or fan is sufficient for system-

High Capacity / Long Distance•

Conveying volumes up to 1,500 cubic meters-

(56,000 cu. ft.) and conveying distances in the

100’s of feet/meters

Airslide™ Conveying Multiple Inlet to

Multiple Outlets

Low pressure

air chamber

(.5 - 5.0 psi, or 35 - 345 mbar)



www.fls-pt.com

Up-to-date addresses of worldwidesubsidiaries and sales offices areavailable from our website

DENMARKFLSmidth A/S

Vigerslev Allé 77

DK-2500 Valby

Copenhagen

Tel: +45 36 18 10 00

Fax: +45 36 30 18 20

Email: [email protected]

USAFLSmidth Inc.

2040 Avenue C

Bethlehem, PA 18017-2188

Tel: +1 610-264-6011

Tel: +1 800-523-9482

Fax: +1 610-264-6170

Email: [email protected]

INDIAFLSmidth 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: [email protected]

1 0 2 0 0 9

A I R S L I D E

© FLSmidth 2009. This brochure makes no offers, representations or warranties (express or implied), and information and data contained in this brochure are for general reference only and may change at any time.Please contact us for specific information or data that may relate to your interests.

Fuller® Airslide™ Conveying

Media Options

Section Material Application

F Woven 5-ply polyester Standard up to 350°F (177°C)

FN Needle felt non-wovenStandard non-silo bottom

applications

FS Silicon-treated polyester Special for static dissipation

KN Needle kevlar fabricStandard non-silo bottom

applications up to 475°F (246°C)

K Woven kevlar fabricStandard including silo bottom

applications up to 475°F (246°C)

GAX 19 Woven fiberglassHigh temperature up to 850°F

(454°C)

c

D

B

A

B

See chart below for dimensions

Hi-Top Design

Size A Nominal capacity B C D Weight

Type mm (1) cu.ft./hr. cu.m/hr. (1) in. mm (1) in. mm (1) in. mm lb./ft. 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 of the material and proper application.

(1) English dimensions and capacities are nominal

AirslideConveyingSystem Broch[1]

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