used rotary sand dryers

used sand dryer for sale. huarui equipment & more | machinio

used sand dryer for sale. huarui equipment & more | machinio

Industrial Sawdust Sand Sludge Sea Salt Single Cylinder Rotary Dryer Product Description Packaging & Shipping Brief introduction: 1.It can be used to indirectly heat or cool paste, granular, powder, and paste ma...

The Rotary Drier is widely used in the field of building materials, metallurgies, chemical industry, cement and so on. The Rotary Drier is widely used in the field of building materials, metallurgies, chemical in...

1.This zircon sand washing plant is widely used for zircon sand recovery in Nigeria. 2.Most zircon sand miners get the 60%-65% zircon sand from this flow and make lots profit. 3.This flow is including: Feeding-gr...

Product Features 1. Flexible Operation The operating parameters can be changed according to the nature of the material, and the stable material curtain makes the heat exchange more sufficient. 2. Various Drying M...

Product Features 1. Flexible Operation The operating parameters can be changed according to the nature of the material, and the stable material curtain makes the heat exchange more sufficient. 2. Various Drying M...

Usage: This machine is suitable for heating. The heating method uses up and down heating, dual use of coal and electricity. Stainless steel chain plate structure is inside of the machine. Oven chain, curtain rods...

Rotary dryer is used of drying sand, coal, sludge, coal slurry, brown coal, fly ash, gypsum, clay, kaolin, grain(corn, wheat),mineral powder, slag, iron powder, mill scale, sawdust/woodchips, chicken manure, feed...

Three Cylinder Silica Sea River Quartz Yellow Sand Dryer Equipment Product Description 1.Three pass river sand drum rotary dryer adopts the latest European energy saving technology,clamp type structure. 2. Intern...

Industrial silica sand Browncoal wood sawdust rotary drum dryer machine, three cylinders drum dryer price Baichy three drum dryer three cylinder dryer for hot sale -- Introduction Three-cylinder rotary dryer is m...

Sand dryer rotary iron ore dryer Product Description The tumble dryer has large processing capacity, low fuel consumption, and dry Drying costs are low. The dryer has the characteristics of high temperature resis...

Briefintroduction: 1, Application: The machine is for wool washing, remove fat, sweat, grass and sand. It's rather first selection for raw wool washing machine. 2,Whole equipment list : 1 . B031-152 Wool feeding...

Product Description Product Application: Since sand with lower water content is well needed and sold in the market, we developed a new series of dewatering screen. The TS dewatering screen is mainly used for coar...

used rotary kiln dryer for sale. metso equipment & more | machinio

used rotary kiln dryer for sale. metso equipment & more | machinio

Vercital cement kiln rotary kiln /rotary gypsum dryer kiln price for sale The Rotary Drier is widely used in the field of building materials, metallurgies, chemical industry, cement and so on. The Rotary Drier is...

Energy Saving Biomass Rotary Dryer, Rotary Kiln Plant, Wood Dryer Product Description Description of Rotary Dryer: Baichy's single drum rotary dryer are endowed with large drying capacity, smooth working, low ene...

Activated carbon rotary clay soil mud kiln factory The investment of rotary kiln and tunnel dryer about 60~70% of whole project, we have professional team for kiln construction and supervision, most of the brick...

China gold supplier Baichy pebble/limestone rotary dryer for wet/dry drying Rotary Dryer Machine For Hot Sale is also known as rotary drum dryer.Mainly composed of rotary body, lifting blade, driving device, supp...

Used Riedhammer direct fired rotary kiln system consisting of, model DRI 7.5/60G, rotary kiln section approximately 1090 mm (43") outside diameter x 7.5 mm (295") long tube less brick lining, 600 mm (23.6") inner...

Vulcan Drying Systems Indirect Rotary Dryers rely on the heat transferred through the drums shell to dry the material via conduction and radiation to reduce the materials moisture content. Indirect drying allow...

Vulcan Drying Systems Indirect Rotary Dryers rely on the heat transferred through the drums shell to dry the material via conduction and radiation to reduce the materials moisture content. Indirect drying allow...

Vulcan Drying Systems Indirect Rotary Dryers rely on the heat transferred through the drums shell to dry the material via conduction and radiation to reduce the materials moisture content. Indirect drying allow...

Vulcan Drying Systems Indirect Rotary Dryers rely on the heat transferred through the drums shell to dry the material via conduction and radiation to reduce the materials moisture content. Indirect drying allow...

rotary dryers for frac sand

rotary dryers for frac sand

Recovering oil prices have again made the extraction of oil and natural gas from shale formations profitable, prompting another surge in activity around recovering hydrocarbons via hydraulic fracturing.

This has created a subsequent increase in the need for sand dryers, particularly as companies look to build new facilities to support the in-basin sand trend. And while frac sand drying may appear a simple task, the industry has learned through experience that there is much more to this industrial process than meets the eye.

When it comes to frac sand drying, there are a number of factors that will need to be considered throughout the dryer design process, making dryers not designed around these characteristics especially inferior.

Note: The considerations listed below are specific to rotary dryers, which have become the industry standard in drying frac sand. For more information on the shift from fluid bed dryers to rotary dryers and the changing trends around frac sand drying, see our article, Evolution of the Frac Sand Dryer.

With the frenzy around frac sand, it might seem that just about any sand can be pumped down a hydraulically-fractured well, but on the contrary, sand is required to meet a number of stringent standards in order to be considered suitable for use as a frac sand proppant.

Frac sand presents a number of characteristics that can make processing it efficiently a difficult endeavor. Its critical that the drying system is designed with these considerations in mind to allow for maximum equipment life, efficient processing, and a quality frac sand product.

Not surprisingly, sand destined for use as a proppant is highly abrasive. Unfortunately, this abrasiveness can wreak havoc on an ill-prepared industrial dryer (among other processing and handling equipment), requiring careful modifications during the design phase to minimize its effects.

Silica/Quartz sand rates at 6-7 on the Mohs hardness scale, right alongside porcelain and titanium dioxide. When combined with the high throughput of frac sand drying plants, this abrasivity can quickly lead to excessive wear if not prepared for.

For this reason, frac sand dryers need to be constructed of heavy-duty materials capable of withstanding these rigorous demands. This often means constructing the dryer shell and other components out of stainless steel or specialty alloys instead of the more commonly employed carbon steel.

The bulk density of a material, measured in pounds per cubic foot (lbs/ft3), will comprise the operational load placed on the equipment, thereby influencing the mechanical components such as bearings, drive train, trunnion wheels, tires, and the motor.

Frac sand has a high bulk density of approximately 100 lbs/ft3. Again, in combination with the high throughput, this high weight-per-volume ratio requires the drying system to be engineered and built for a substantial operational load.

For example, while there are many options to choose from for the equipments drive assembly, the gear and pinion assembly is the best choice in most cases. The gear and pinion drive is ideal in heavy-duty settings running above 75 horsepower. This drive assembly style not only wears better under rigorous conditions, but it also requires less maintenance ideal for the frac sand processing environment.

Frac sand carries its moisture largely on the surface of the particle. As the moisture drops below a critical point, however, it becomes harder to extract a phenomenon known as driving force. This means that a majority of the moisture is easily drawn out at the onset of drying, but after a certain point, the remaining moisture becomes more difficult to draw out.

In this case, a counter current air flow configuration optimizes drying efficiency by putting the driest material (or rather, the material at its most difficult drying point) in contact with the hottest combustion gases to help counteract this driving force.

FEECO also employs custom flight (material lifter) designs to further improve the heat transfer between the material and air flow. Flights affixed to the interior of the drum pick up material, carrying it as the drum rotates, and then dropping it through the air stream in a pattern known as the material curtain.

Frac sand is available in a number of grades, but in general, is a very fine material. This fineness, while optimal for use as a proppant, can cause problems if a dryer is not designed to work around it.

Many drying system providers will counteract this issue by utilizing a drum that is larger in diameter, so air flow velocity can be decreased to reduce the potential for entrainment. However, as FEECO has demonstrated, by manipulating these key design parameters and modifying the discharge breeching design (knockout chamber), this carryover can be significantly reduced, while still maintaining a high throughput (in excess of 300 TPH in a single unit). The smaller drum diameter also reduces the expense of the equipment.

As a naturally occurring mineral, sand exhibits variation in particle size distribution and moisture content. While this variation is to be expected, it can make processing a challenge in some cases, largely, if the appropriate dryer type has not been selected.

Rotary dryers and fluid bed dryers have traditionally been the primary industrial drying systems used for processing frac sand, but the industry is increasingly in favor of the rotary type, in large part, due to this unavoidable variation.

Fluid bed dryers are highly sensitive to variation in both particle size and moisture content. They require feedstock that is as uniform as possible; the more variation, the more upsets likely to be encountered. Conversely, rotary dryers are highly tolerant of such variation and are known for their ability to produce uniform results despite as much.

Dust emissions from a dryer can be curtailed through the selection of the proper seal where the dryer meets the inlet and discharge breechings, while CO and NOx emissions can be minimized through burner selection.

Its important when working with frac sand that critical breakdown temperature be avoided in order to maintain product integrity. This can be done through the use of a combustion chamber, which, when designed properly, prevents the contact between the flame and the material.

The frac sand drying process is far from the simple task that many perceive it to be, requiring an engineered drying system backed by experience in order to prolong equipment life, maximize efficiency, and produce a quality, uniform end product for use in the hydraulic fracturing process.

FEECO has been an industry expert in the production of high quality, efficient rotary dryers since 1951. With rotary dryers in use around the world in various industries, our custom dryers have become known for their quality craftsmanship, efficient operation, and superior engineered design, and have proven themselves to be the workhorse of the industry, time after time. Not surprisingly, our heavy-duty frac sand dryers have come to be relied upon by many of the industrys top producers.

used rotary vacuum dryers

used rotary vacuum dryers

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We've listed our inventory of used Rotary Vacuum Dryers, by size or manufacturer. Most of our Rotary Vacuum Dryers are available for immediate delivery and all are competitively priced. To see more information about the Rotary Vacuum Dryers, click on the stock number.

Used Approximately 150 Cubic Foot Stainless Steel Jacketed Double Ribbon Blender Manufacturer: Paul O. Abbe Model: DSVD-9 Serial: A47938 Year: 1999 Stainless steel construction, double ribbon, jacketed Jacket information: Certified by: Jos. Honhorst Co. National Board: 494 ...

Used Glatt Inox Type IST-2000 stainless steel Paddle dryer. Approximately 2,000 litre capacity. Trough sizes dia. 1350x1500mm, Outlet 300x220mm. Working pressure vac/1 bar, Test pressure 3,1 bar, With jacket, Working pressure vac/8 bar, Test pressure 12,5 bar. Shaft can be...

Used Draiswerke model HT3000 titanium turbulent mixer/dryer. Approximately 3000 litre working capacity and 3580 litre total capacity. Internal rated full vacuum/6 bar design pressure at 200C. Heating jacket 240 litre capacity rated full vacuum/6 bar design pressure at 200C. T-arm...

Used Kelzenberg + Co. Dren stainless steel (1.4571) Paddle dryer. Capacity 5920 Ltr, Trough sizes dia. 1356x3953mm, Inlet 2x dia. 400mm, Manhole 300x400mm (2x), Outlet dia. 200mm, Working pressure vacuum, Test pressure 8 bar, With jacket (810 Ltr), Working pressure...

Used Ldige Type FKM-8000D stainless steel 1.4541 (321 S12) Paddle dryer. Material Capacity 8000 Ltr, Trough sizes dia. 15804000 mm, Outlet dia. 150 mm, Working pressure vac/2 Bar, Test pressure 3 Bar, With jacket (550 Ltr), Working pressure 8 Bar,...

Used Krauss Maffei Model RTD 30 316TI stainless steel batch Reactortherm vacuum paddle mixer dryer. Approximately 30 litre working capacity and 40 litre total capacity. Drying chamber 270mm diameter X 650mm long. Has bolted flat ends. Internal rated full vacuum/6...

Used Bethlehem Corporation Model 1P1203JTB Porcupine processor. 12 diameter X 3 long. Rated 50 psi internal @ 600F. Jacket rated 150 psi @ 600F. Chamber measures 16 wide X 36 long X 20 deep. Flat cover. 1.5 HP 3 phase,...

Reportedly unused List model DT-100 Conti vacuum paddle dryer. Made of steel ST52. 100 litre working capacity and 130 litre total capacity. Steel drying chamber 350 mm internal diameter X 2000 mm long rated 0.7 Bar design pressure at 250C....

Unused Bethlehem Company Porcupine processor vacuum dryer, model 1P1810JTB. 316L stainless steel 18 diameter X 10 long single agitator shaft, cored and rated 50 psi @ 260F. 304 stainless steel trough, rated full vacuum @ 260F. Carbon steel jacket on...

Used Strong Scott Solidaire dryer. 24 diameter X 144 long. Stainless steel construction. Dimple jacket rated 150 psi @ 400F. Shell .187, jacket .062. (3) jacketed sections (46 each section). 2 in/out on jacket. Shaft approximately 4-1/2 diameter. (2) 10...

Used Krauss-Maffei model Discotherm B 160 B 160 litre (5,6ft3) stainless steel 316ti high speed pilot batch list type Discotherm vacuum dryer blender system. Rated internal 3,1/-1 bar @ 250C. Cored agitator shaft 9,0 bar @ 300C. Stainless steel jacket...

Used Torus disc dryer model TDJ-26-13. Carbon steel construction. Rotor and jacket rated 150 psi @375F. Trough approximately 27 wide X 13 4 long. End bottom manual slide gate discharge. 10 HP motor.

Used approx. 21 cu.ft. working capacity carbon steel Torus disc dryer. Manufactured by Strong Scott/Bepex model TDJ. Trough 28 wide X 64 long X 36 deep (requires 5 HP drive, no cover). Jacket rated 150 psi @ 375F, screw 150...

Used List Model DTB-1000 Conti single shaft 316TI stainless steel continuous vacuum paddle mixer dryer. 1000 litre working capacity and 1180 litre total capacity. Mixing trough approximately 750mm diameter X 3780mm long. Has bolted flat ends. Internal rated full vacuum/0.5...

Used Cincinatti Butchers Supply Co. stainless steel jacketed powder blender/dryer. Approximately 750 litre total capacity, 500 litre estimated working capacity. Unit measures approximately 785mm diameter X 1500mm straight side. Has 120mm deep dished ends, one bolted, one welded. Internal rated...

Unused Giovanola approximately 1065 litre total capacity 316TI stainless steel vacuum ploughshare dryer. Approximately 1000mm diameter X 1800mm long with bolted flat end. Internal rated full vacuum/2 bar design pressure at 175C. Stainless steel limpet coil jacket 160 litre capacity...

Used Approximately 120 Cubic Foot Hastelloy C276 Double Ribbon Dryer/Mixer Manufacturer: Jaygo Model: JRB-120 National board: 2620 Serial #: 737-9055 Year: 1997 Internal full vacuum Jacket pressure: 125 psi @ 345F Trough dimensions: 120 long x 44 wide x 48...

Used Krauss Maffei List model DTB1000B Discotherm 316TI stainless steel batch vacuum paddle dryer. Drying chamber approximately 1200mm diameter X 1280mm long. Approximately 800 litre working capacity and 1080 litre total capacity. Has bolted flat ends. Internal rated full vacuum/6...

Used Devine model VRD-40120700 rotary vacuum cylindrical dryer, ribbon type. Working capacity 84 cubic foot. Shell type 316 stainless steel. Jacket rated 50 psi @ 300F. Jacket surface area 316 square foot. Cored shaft. Rated 50 psi. 25 HP motor...

Used Bush Tank Fabricators 150 cubic foot rotary vacuum dryer. 304 stainless steel sanitary design. 4 diameter X 16 long. Rated full vacuum internal. Jacket rated 15 psi. Double spiral ribbon. 5 diameter shaft.

Used Haagen & Rinau model HRT-4000 316Ti (1.4571) stainless steel vacuum paddle dryer. 4,000 litre working capacity and 4,660 litre total capacity. Drying chamber approximately 1450mm diameter X 3,350mm long. Has one bolted and one welded dished end. Internal rated...

Used Goudsche Machinefabriek B.V. Waddinxveen type Nara paddle dryer 10W80. Double shaft, continuous, material stainless steel (trough 1.4301, paddles 1.4571), capacity 6500 ltr, trough sizes 6000x1855mm, inlet diameter 250mm, manhole 800x1000mm (2x), outlet 1000x380mm, with jacket , total heating...

Used Goudsche Machinefabriek B.V. Waddinxveen type Nara paddle dryer 10W80. Double shaft, continuous, material stainless steel (trough 1.4301, paddles 1.4571), capacity 6500 ltr, trough sizes 6000x1855mm, inlet diameter 250mm, manhole 800x1000mm (2x), outlet 1000x380mm, with jacket , total heating...

Used Kollemann Adenau type AJK-QTHSF-DN600 jacketed stainless steel (304) continuous Torus disc dryer. Approximately 6,000 litre capacity. Trough measures 5920mm X 1970mm X 600mm. Working pressure 3 bar at 100C. Shaft can also be heated. Unit is driven by a...

Used Olsa Type Drymix approximately 125 litre 316L stainless steel vacuum paddle dryer. Working capacity 30% to 50% of the total volume. Internal rated 0.4 bar/full vacuum at 168C. Double jacket 25 litre capacity rated 6.5 bar at 168C. Includes...

frac sand dryers - vulcan drying systems

frac sand dryers - vulcan drying systems

MENUMENUProducts POPULAR DRYERS Hemp DryersFrac Sand DryersPaper Pulp Dryers SYSTEMS Direct Fired Drying SystemsDrill Cuttings SystemsMunicipal Biosolids SystemsTank Bottom Systems DRYING EQUIPMENT Used Drying EquipmentNew Components Reconditioned Portable Drying System ServicesTechnologiesApplicationsAboutCareers

The Vulcan Drying Systems Frac Sand Drying System is custom-designed and manufactured to suit a customer's individual project needs. Most customers have sand ranging from 5-8% in moisture content. These drying systems consist of a rotary drum dryer and a burner mounted on a breeching plate. Vulcan Drying Systems Frac Sand Drying Systems are designed specifically to dry frac sands, making the material easy to transport, separate and handle.

Frac sand is fed into the rotary dryer. After passing through the dryer, the dried product is discharged to a transfer conveyor for further sorting and separation. The vapor from the process is pulled through a baghouse which removes fine particulates from the vapor stream.

Looking for a complete system to process your material? Vulcan Drying Systems designs and manufactures cost-effective solutions for any possible process. Our experienced team will create a system that will produce your desired result.

For years now, specialized sands known asfrac sands have been utilized to augment the production ofnatural gas and oil from wells. The mining and processing of sand for hydraulic fracturing (fracking) has grown into a booming industry in the Midwest.

Frac sand is used in the fracking process to create fractures in the rock to allow the free flow of oil, natural gas or natural gas liquids. The demand for frac sand is incredibly high, as a single well can use several thousand tons of the material.

The hydraulic fracturing process begins with the drilling of a well into a rock formation. A high-pressure fracking fluid is injected into the well. This fluid, made up of water mixed with frac sand and a blend of chemicals, acts as a propping agent, or proppant. The proppant prevents the fracture from closing and permits gas to flow through the well.

To ensure that the quality of sand is acceptable, mining companies wash and dry the frac sand to rid it of all possible impurities. Rotary dryers are the most proven and preferred method to dry frac sand. Dryers can be utilized at both the beginning and the end of the fracking process. Prior to its transportation to and use at a job site, frac sand must be dried and treated. Vulcan Drying Systems can supply a full range of equipment to dry, sort and move frac sand.

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