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Resin dryers. – Free Online Library


Vacuum and fluid-bed dryers include RotaCone tumble vacuum dryers,

horizontal rotary vacuum dryers, and Forberg-II fluidizing dryers.

Specializes in packaged systems including heaters and vacuum pumps, and

high temperature vacuum PET solid-state equipment.


Company manufactures a large and complete selection of dryers along

with vacuum and vacuum/pressure conveying systems. Nomad portable drying

and conveying cart systems (10 to 225 cfm) offer maximum flexibility and

efficiency and control drying and conveying of materials in a compact


Dryers range from small, energy efficient cabinet-style mini dryers

in the AD series to the large ADL and ADLG dryers that offer 3000 cfm

capacities and HiCore technology.

All dryers are designed for convenient serviceability and use

state-of-the-art controls to monitor drying. SPI and other communication

protocols available.


Offers six models of hopper dryers with even heat distribution,

accurate temperature controller, and capacities from 25 to 880 lb/hr.

Dust-collector attachment available.

Also a double-desiccant, regenerating dehumidifying dryer that

reduces moisture to -40 F dewpoint. Unit comes complete with snake

cooler and 110-1b double-insulated hopper.


Thermolift dryer and feeder unit is an independent unit that works

in fresh air, recirculating air or optionally in dry air mode. Unit can

feed two machines.


Autodry stainless steel and aluminum, energy-efficient dryers

available with hopper sizes of 20, 40, 60, 120, 200, 400 and 800 lb.

Units have throughput rates, from 2 to 400 lb/hr. With no moving parts dryers are insulated, compact, quiet-running and modularly designed.

Drying temperatures range from 90 F to 375 E Units can also be

stand-mounted for portability.


Joint venture of Novatec and Advantage Engineering supplies both

Advantage process-cooling products and Novatec drying, blending and

materials-handling equipment.


Resin dehumidifiers and hot-air dryers for extrusion, injection and

blow molding applications. Desiccant-rotor type dehumidifiers range from

20 to 5000 cfm and include fluted bed desiccant technology. Options

include digital dewpointers, diagnostics, central drying system,

after-cooling coils, and heaters mounted at the hopper for additional

energy savings. Larger units include natural gas regeneration and heat

recovery coils for energy efficiency. Also dehumidifying powder drying

systems in single- or multiple-batch capacities.

Mold dehumidification systems (MDS) are designed to eliminate mold

condensation during high humidity periods. Surrounding the mold

enclosure with dry, dehumidified air, MDS-3 system allows injection and

blow molders to reduce cooling cycle times up to 30%.

BAS Smart-Dry diagnostics package is standard on all FDL series

resin dryers. Package offers 7-day timer, monitors dew point, process

and regeneration temperatures, return air temperatures, process and

regeneration blowers, and alarm functions, which may affect the drying

process. Monitoring can be done at the dryer or remotely.


Cactus super dryers in five sizes for processing engineering resins

to 150 lb/hr within 30 minutes of start-up. An alternative to batch-type

desiccant drying, Cactus system operates on a continuous basis. Small

amounts of resin are heated quickly to force moisture to pellet surface.

Compressed air-powered venturi creates air flow across resin to

transport surface moisture from resin. Low-wattage heater bands

reportedly reduce electrical consumption to 80% less than comparable

desiccant dryers. With no moving parts, maintenance is virtually

eliminated. Microprocessor controls maintain accurate and constant

temperature inside dryer for consistent-quality parts. Predrying is not



Thermodynamic plastic dryers utilize the application of radiant

conducted heat to accelerate the drying process and are intended for use

with molding or extrusion machines processing up to 50 lb/hr of



For drying various sizes and types of pellets, offers its 12-in. x

15-ft, l-hp stainless-steel conveyor dryers with unit and hood

insulation and low profile to fit together with in-line equipment. Air

temperature and volume controlled to maintain pellet quality.

For drying PET chips in a bottle recycling process, offers

two-zone, stainless-steel, 2 x 10 ft, 2-hp, fluid-bed dryers furnished

as a system with auxiliaries, which include steam coils, noise

attenuators, dust collectors, slide gates, valves and discharge-drum

covers. Air temperatures and volumes controlled to dry chips to

specified levels and prevent melting or fusing.


SpinAway centrifugal dryer for cost-effective drying of flakes or

pellets. Capacities from 100 to 110,000 lb/hr, drying to moisture levels

to less than 0.05%. Dryer has reinforced rotor-lifter-plate design for

extended rotor life. Logarithmic lifter-blade spacing in the rotor

design increases the pellet resident time, enhancing drying; and

horizontal airflow forces water and air through the screen rather than

out the pellet discharge. Unit requires minimal space, low horsepower,

and is designed for continuous, uninterrupted production. Accessories

include dewatering units, moist-air exhaust fans, air preheaters,

internal washdown spray systems, hardened rotors, pellet-free rotors,

and low-noise construction.


HCD honeycomb matrix dehumidifiers use the principle of a

“rotating honeycomb.” A rotor slowly turns while a cycle of

dehumidification, regeneration and cooling is repeated simultaneously.

The “wheel” has a series of air passages or channels that form

the matrix. Passages inside the wheel are coated with molecular sieves

and silica gel that are strongly bonded. When the honeycomb matrix wheel

contacts damp air, it soaks up moisture; and when the wheel is heated,

it releases the moisture. The system has a drying capacity from 50 to

600 lb/hr.

CDH hot-air dryers can be used to dry most nonhygroscopic materials

and are good for hygroscopic materials as a preheater. Also designed to

dry granules directly at the machine to eliminate contamination or

reabsorption of moisture when conveying. Constructed of stainless steel,

units have only one blower and one heater and can be connected to

existing dehumidifying dryers. Size range is 15 to 200 lb/hr.

Compressed-air resin dryers use pre-dried compressed air from the

production facility’s air system, which is expanded to atmospheric

pressure. Thus the dewpoint drops to a low level and subsequent heating

of the process air reduces the relative humidity. Units are

energy-efficient and virtually maintenance-free, and are applicable for

all resins. Sizes available from one-liter micro-dryers to 152-liter

Xpert dryers.

Sensi-Dry weigh dryer mounts the drying hopper onto load cells that

sense the weight of the hopper and its contents. Allen-Bradley

controller periodically polls the load cells for weight information,

determining the rate at which material is being removed from the drying

hopper. This capacity to control feed rate into the hopper virtually

eliminates material degradation by ensuring that material does not

remain in the hopper for an extended period. Sensi-Dry is also available

with Man Machine Interface (MMI). Windows-based 95/98 interface allows

operators to set and adjust parameters.


Carousel Plus dryers with throughputs from 15 to 5000 lb/hr use a

continuously rotating wheel made of a molecular sieve desiccant

impregnated into a nonwoven fiberglass substrate. As the wheel turns it

constantly brings fresh desiccant online while the rest of the wheel is

being regenerated and cooled. This approach exposes more desiccant

surface area to processing air, and helps make the dryer more reliable,

easy to operate and maintain, and more energy efficient. Dryers are

compact, weigh less and the number of major components has been cut by a

factor of 10.

SlimLine compressed-air dryers, available in five sizes from 2.5 to

50 lb/hr are designed for small-throughput, on-machine applications.

Units require no desiccant to achieve low dewpoints, and with optional

membrane filtration unit, dewpoints of -40 F can be attained.

Bringing together drying and conveying technology into one

purpose-built package for small- to medium-capacity central materials

handling, ResinWorks system integrates central drying unit, hoppers,

loaders, conveying lines and pumps, along with heaters, blowers, filters

and a proprietary microprocessor control. All components are designed to

work together and are mounted on modular sleds that are easy to

transport and easy to install. Hot-air dryers are suitable for removing

surface moisture and preheating nonhygroscopic materials at up to 250 E

Five models available to handle throughputs from 600 to 5000 lb/hr.

Conair dryers can also be configured as a mobile drying/conveyor

(MDC) with hopper, dryer and material-conveying blower, all mounted on a

mobile platform for flexibility and quick material changes.

CGT GasTrac gas-fired dryers can provide up to 70% energy savings

compared with similarly sized electric heat dryers. Efficient ceramic

fiber matrix, flameless radiant gas burners heat process (drying) air

through high efficiency heat exchangers so that combustion air never

comes in contact with process air. GasTrac gas-fired process air heater can be retrofitted to any dehumidifying dryer.

EnergySmart polymer drying system is designed for high-volume users

of PET and other materials that need to be dried in the range of 300 to

350 F (48 to 177 C) for extended periods of time (four to six hours).

Recycling hot dry air to raise the temperature of new resin entering the

drying hopper, a two-stage EnergySmart system can reduce energy

consumption by up to two-thirds, compared to conventional desiccant


Also for PET processing, six models of crystallizers with

throughput rates between 4 and 135 cu ft/hr are offered for conditioning

free-flowing PET pellets at 50 lb/cu ft, PET flake regrind at 20-25

lb/cu ft and post-consumer scrap at 30-35 lb/cu ft.


Desiccant dryers and drying systems with throughputs from 10 to 750

lb/hr. Arid-X dryer series is an industry standard dual desiccant-bed

dryer that supplies a continuous -40 F dewpoint. HP4-X series offers a

high-performance four-bed dryer that can achieve -100 F dewpoints. Both

series include automatic regeneration.

Arid-X and HP4-X series available in press-mounted,

beside-the-press and portable models with one or two hoppers. Portable

system features optional closed-loop loading system that includes single

bag filter, controls and blower integrated on a common castered floor

frame. Press-mounted hoppers are eliminated and replaced with a small,

filterless receiver. Dual-hopper systems suitable for quick material

changes and on-the-fly processing.

Off-the-press drying/blending systems for virgin, regrind and

colorants. Designed for quick changes and on-the-fly ratio changes.

Placement of augers under hoppers eliminates hoppers full of premix.

Microprocessor control features Safe-Temp regeneration (temperature

based) as well as dewpoint and time based. Built-in -40 F dewpoint

monitor and automatic seven-day timer. Also has capability for SPI

protocol for machine communication.

CA series compressed-air membrane dryers are for smaller machines

(30-1b hopper). Available in hopper banks with a single membrane and oil

filter but individual temperature control.


Compressed Air Resin Dryer (CARD) is a patented new approach to

drying resins, which makes use of the inherently low dewpoint of

compressed air to produce a low-cost and low-maintenance drying system.

Because no desiccant regeneration is needed, drying air temperatures do

not fluctuate and therefore can be kept close to the optimum drying

temperature for each resin without overheating. CARDs are available ina

large range of sizes for processing from 2 to 3000 lb/hr. Systems use

heat recovered from a compressor or exhaust air from a blow molding

machine offer additional savings. Systems can be dedicated to one

machine or centralized.


Twin-tower dehumidifying hopper dryers in a range of drying

capacities. Design reportedly uses less electricity than conventional

units for equivalent throughput. Features include crossflow regeneration

for extremely low dewpoints with no spikes. Standard high-heat/PET

models available. Hot-air dryers for drying surface moisture off

material also available.


Centrifugal dryers to process up to 150,000 lb/hr of thermoplastics

and elastomers. Drying process takes place in three phases. In the

dewatering phase 90-95 % of water is removed by impact and gravity.

Vertical predewatering screens provide a large screen area in a small

space. In the impact phase the product is forced spirally upward from

the bottom to the top of the rotor area, reducing water content to

between 0.5-1.0%. Final phase takes place in the upper part of the rotor

area as dry air passes through the spiraling product. Surface moisture

of nil to 0.05% can be reached on most smooth, warm products. Dryers

feature stainless-steel construction, pellet-free rotors, quick cleanup,

low noise, and need only a small area for installation. Options include

agglomerate catchers, exhaust blowers, inlet and outlet inspection

windows, wear-resistant coating and heavy-duty construction for abrasive

polymers, air heaters, safety lock door systems, and pellet water tanks.


Accudry dehumidifying dryers for critical drying applications, and

the 2000 series hot-air dryers for nonhygroscopic applications.

Ten models of automatic desiccant dryers use a molecular-sieve

desiccant to trap moisture within a closed drying system. Several

desiccant cartridges are provided, which are periodically indexed to a

regeneration cycle. Programmable microprocessor controls provide LCD

messages for initial settings and performance data and alarm conditions.

Hot-air dryers come with an integrated, stainless-steel-lined

drying hopper that mounts on the processing machine. Floor-mounted

models available. Seven models provide drying ranges from a few lb/hr to

more than 1000 lb/ hr, depending on material type. An air-flow regulator

balances blower cfm for drying efficiency.


Thermatrol ovens and dryers for processing needs such as annealing and curing.


Four styles of hopper dryers include a low-cost, hot-air unit for

use with nonhygroscopic materials that can serve more than one press.

Refrigerant-type dryer suitable for many hygroscopic materials.

Machine-mountable desiccant and compressed-air type dryers for

consistent low dewpoint. A variety of convection and forced air-type

drying ovens also available.


Self-contained circular fluid-bed dryer system dries resin powders,

flakes and pellets uniformly and rapidly at low cost. System

consolidates a circular fluid bed processor, heater, blower, cyclone

separator if required, and complete instrument package mounted and

assembled on a single skid. System is ready to run with onsite

connections to a power source, bag house and material inlet/outlet.

Options include adding dewatering screen ahead of the dryer, a

circular fluid bed cooler following the dryer and a product screener to

assure product quality. All are mounted as one integral system.

For resins that tend to agglomerate, the Centri-sifter centrifugal

separator can be incorporated in the system for continuous delumping of

the material. This skid mounted system offers a small footprint and can

be caster mounted to service multiple reactors or extruders.

Inherent strength of the circular processor eliminates the need for

heavy-gauge walls and welded cross braces normally required to withstand

continuous vibration, which allows vibratory motors to be downsized,

reducing cost and energy consumption. Unit also requires only one air

inlet and outlet, reducing overall size. A quick-disconnect housing

affords rapid interior access for cleaning and inspection.

Eight models range in diameters from 18 to 84 in. encompassing

batch and continuous applications from low-capacity laboratory and pilot

plant testing to high-volume processing.

Related equipment includes dewatering screeners for separating

solids from PVC, PS and PE slurries, and high-capacity pellet

classifiers for scalping and dedusting pellets at rates to 70 tons/hr.


Supplies infrared dryer/crystallizer for PET. Slowly rotating drum

with infrared lamps heats material directly. Auger coil in drum conveys



Desiccant dryer/loaders (DDL) combine loading, desiccant drying,

and automatic regeneration in one compact unit. Features a floor-mounted

control panel with functions displayed by graphics and light signals.

Residual moisture levels down to 0.02% are achieved. Units operate on

low power, have hopper-magnet shut-off slide valve, discharge valve for

easy material change, and come in nine sizes. Also DDL-HT for drying PET

bottle resins to moisture levels of 0.002%.

Mobile desiccant dryer/loaders (DDM) combine in one mobile unit the

dryer, desiccant, automatic regeneration, and automatic conveying of

dried material to process machine using predried hot air. Special

discharge fitting acts as level control on process machine hopper. DDM

can feed two process machines at the same time. Available in three sizes

with the Con-Evator three-phase hopper loader.

Desiccant central dryer (DCD) dries one or more granular materials

to less than 0.02% moisture in one or more drying hoppers using a

central power pack, which comes in six sizes. Hoppers have individual

heaters and temperature controllers, making it possible to dry different

materials at the same time.

Conti-Crystallizer (CC) designed to be a fully automatic continuous

crystallizer for amorphous PET and regrind is compact, easy to operate,

and has a built-in conveyor. Unit has PLC controls with a

touch-sensitive operations monitor that displays information in

easy-to-understand messages. Conveying hopper has a level control, which

ensures crystallization of equal amounts of raw materials in each batch.

Crystallization hopper is insulated and equipped with air distributor

and heavy-duty mixing screw that keeps material constantly moving,

ensuring no clogging or blockages. (Products distributed by V-Tech

Engineering Inc.)


Dryers and drying systems for resin powders, pigments, pellets and

other particulates in conjunction with mixing, blending, processing and

reaction. Vertical conical Mark II processor/mixer drying systems can

handle up to 1400 cu ft/batch. Jacketed, vacuum or pressure designs



Offers a series of desiccant dryers capable of drying material to

-40 F dewpoint with high efficiency blowers. Hopper sizes from 60-100 lb

with processing temperatures to 300 E


Three standard electrically heated, resin-tray drying ovens include

Model 1330-1-T3, 12-tray small lab unit with average capacity of 100 lb;

Model 1330-2-T3, medium 24-tray unit with 200-1b average capacity; and

Model 1330-5-T3, 40-tray unit with capacity to 600 lb.

Standard systems include indication of temperature to 350 F, timer,

and high limit. Options to customize ovens to the process include

desiccant systems, dewpoint instruments, recorders, chillers and

filtration. Custom industrial ovens for drying, PTFE sintering, aging

and curing, preheating, decorating, annealing, and thermoforming.


Company’s LPD (low-pressure drying) vacuum dryer uses vacuum

to accelerate resin drying and dries materials in one-sixth the time of

a desiccant dryer. Testing has shown a reduction in energy consumption

of 70-80% because the vacuum dryer does not rely on desiccant. Other

benefits include less filters, less temperature probes, less side

channel blowers, and elimination of water coolers and dewpoint probes.

Another key benefit of vacuum drying is that the reduced drying time

reduces the risk of material degradation.


DMZ2 and MJ3 series drying systems feature a desiccant rotor that

spins and regenerates continuously, constantly feeding flesh desiccant

to process. The resulting supply of stable, low dewpoint air

substantially increases dryer performance. Main benefits include short

drying times (PC in 1.5 hr), better drying performance, quicker material

changes; lifetime desiccant, which eliminates replacement, bad product

produced by wornout beds, and costly downtime; and standard high-quality

stainless-steel drying hopper, aftercooler, and microprocessor control.

Systems reportedly reduce energy consumption by 15% to 45%. MJ3 adds

portable floor flame and integral vacuum loading. All units include

solid-state relays, reducing maintenance to filter changes only.

Thercuum DPD3 (thermal conduction plus vacuum pressure) dries

resins in under an hour, cuts energy costs by 50%, reduces mold

maintenance by eliminating harmful films, and occupies up to 50% less

floor space than a conventional desiccant dryer. Design keeps resin hot

and dry until it is loaded to the press.

Plas Mini Dryer PMD micro-drying system is for throughputs under 5

lb/hr. Thermal conduction fins plus a small volume of dried compressed

air heat and dry pellets in small volumes. PMD1.5 holds 3.3 lb of resin

and PMD3.0 holds 6 lb of resin. Units use less than one cfm compressed


Thercuum vacuum drying system offers fast one-hour drying while

using 1/3 the energy of hot-air dryers. Thermal fin technology combined

with vacuum pressure aggressively pulls out moisture from pellets.

Out-gassing from some resins that can clog mold vents and ejector pins

is reduced. Mold maintenance is cut by about 50%. Hopper and press

loading is built into the Thercuum, which keeps resin hot and dry until

press loading when a gate valve opens, allowing a small amount of dried

resin to convey to the mini-hopper on the press. There are no rotating

hopper assemblies or seals.


Luxor central dryers offer advanced PLC controls with user-friendly

operator interface touchscreens. Screens include diagnostic menus and

trend graphs. Units utilize dual dessicant beds, dewpoint-controlled bed

switching and closed-loop cooldown, allowing for continuous low

dewpoints operation. Systems can operate as many as 20 drying bins.

Drying bins allow materials to be dried independently and utilize

pattented ETA technology, providing energy savings and efficiencies.

Temperatures controlled independently at each bin or centrally with

drying organizer, which offers an intelligently controlled drying

process. Under- or over-drying of resin is prevented.

FlexSide press-side dryingsystems (PLC controlled) range from

30-120 lb/hr and are modularly designed with one, two or three bins on a

portable frame. Systems can be ordered with integrated conveying.

Specialty drying systems for cleanroom molding applications, such

as CD/DVD or medical are available in both central and FlexSide



Supplies Chinese-made compressed-air dryers of stainless steel.

Insulated for up to 400 F operation. Have graphic display, programmable



Six types of resin dryers are offered by Novatec to satisfy all

drying needs. Dryer types include desiccant-wheel, membrane, infrared,

vacuum, dual-bed desiccant and hot-air. Most dryers are covered by a

five-year warranty.

NovaWheel desiccant-wheel models have throughput capacities from

100 to 5000 lb/ hr (45 to 2272 kg/hr). They save up to 30% on energy

costs and up to 65% on floor space compared to dual-bed desiccant

dryers. Initial cost savings can be as much as 25% depending on size.

NovaWheel boasts a no-slip/ no-break chain drive that guarantees uniform

desiccant-wheel rotations and uniform -40 F dewpoint. Standard

microprocessor control includes advanced features at no additional

charge, and it is field proven with over 8000 in use. NovaTouch PLC

touch-panel controller option is available on models with 600 lb/ hr

throughputs. Optional plug and play communications modules for Modem,

Modbus, Profibus and MPI are inexpensive and easily added options.

Ethernet with or without embedded web page, DeviceNet, Canbus and ASI protocols also available.

Patented NovaDrier membrane resin dryer is reportedly one of the

most popular small dryers on the market. There are six models with

throughputs from 7 to 225 lb/hr (3 to 102 kg/hr). NovaDrier reportedly

uses 1/3 to 1/2 the compressed air compared to ordinary compressed-air

dryers, even with an add-on membrane. There is no desiccant and no

moving parts to wear out; it successfully dries all kinds of resins.

Infrared rotary-drum dryer models accomplish drying and

crystallizing of PET resin and PCR in one fast operation with

throughputs up to 4000 lb/hr (1800 kg/hr). The crystallizing/drying

process takes approximately 15 minutes with reported energy savings up

to 50% over conventional desiccant crystallizing/ drying systems.

Processors also benefit from a smaller footprint, and the average height

of a complete system is under 15 ft.

Vacuum dryers have been added to the array of dryers offered. They

have throughput capacities up to 200 lb/hr (90 kg/hr) and can reportedly

reduce energy consumption by up to 70% compared to dual-bed desiccant

dryers. Drying time is 1/6 that of dual-bed dryers. These vacuum dryers

are suitable where fast changeovers are required because material

changes can be made on-the-fly.

Dual-bed desiccant dryers are still available for processors who

prefer that technology. Throughputs range 15 to 3800 lb/hr (7 to 1700

kg/hr). Electromechanical controls are standard but the NovaTouch PLC

touch-panel control is a popular option.

Portable DCS drying/conveying system processes 15 to 225 lb/hr (7

to 102 kg/hr) and utilizes company’s dual-bed or NovaDrier models.

A closed-loop, line purging conveying system supplies dried material

directly to the molding machine. Guaranteed -40 F dewpoint process-air

temperatures to 350 F.

Hot-air dryers are available as standalone units for nonhygroscopic

resins or as an integral part of a central drying system, which can be

used to dry multiple resins with the -40 F dewpoint air from a single

NovaWheel or dual-bed dryer.

Dryers toprovide a warm blanket of dry air to silos and mild areas

are also available.

Company utilizes it’s Drying Technology Lab to run comparative

dryer tests and can provide processors with specific energy usage and

drying times for tests run with the processor’s material.



Offers R134 refrigerant-type dehumidifying hopper dryer and

accessories. Digital temperature controller provides PID control. Blower

switch interlock keeps fan running before heater activates for safety.

Rated at 5280 Btu/ hr for drying all kinds of material. Pressurized heating chamber baffled to balance filtered air, which keeps heat coils

from overheating. Units are full-sized and give continuous air.


Low-dewpoint desiccant dryers for injection and blow molders.



Offers application-related Centro centrifugal dryers and Aero

impact dryers to separate pellets from process water and reduce residual

moisture to very low levels.


Wide variety of dryer types include compressed air, compressed air

with moisture-absorbent membrane, hot air, and dessicant dryers

including large central-type dryers.



Line of batch vacuum dryers and ancillary equipment includes

heating systems, vapor condensers, vacuum pumps, and controls. Conical

vacuum reactors used to solid-state PET, PEN, PBT, to elevate IV levels

with working capacities to 775 cu ft. ISO 9001 certified.


Quick-Dry small-batch dryers can dry up to four materials at a

time. Expand output of existing desiccant dryers.


Line of resin dryers matched to hoppers that uniformly expose resin

to drying air includes TD series desiccant dryers in 17 models with

airflows from 6 to 2000 cfm. Units feature indexing, three-bed design

with closed process-air circuit. Design allows in-process cooldown of

the regenerated bed with recovery of residual regeneration heat and

cooldown with the dry process stream rather than with ambient air.

Optional Tech II microprocessor control has seven-day timer with battery

backup, display of operating parameters, alarms, and system-operating


H series hot-air dryers available in 11 sizes with airflows from 12

to 2000 cfm. Units heat and circulate air through the resin, removing

any surface moisture, and are for use on non-hygroscopic materials.

Often used to remove condensation from materials brought into a warm

plant from cold outdoor storage.

Also small compressed-air membrane dryers for 6 to 10 lb/hr.


DHD and [PCT.sup.2] series dehumidifying hopper dryers with process

airflow up to 8000 cfm, low dewpoint to -100 F (average dewpoint -60 F).

[PCT.sup.2] dryers incorporate company’s pulse cooling technology.

Units have a minimum of moving parts; clamps provide easy and quick

access to the regeneration heater, process heater, and desiccant beds.

Designed for safety and efficiency, heater packages use tubular

elements, double-wall construction and insulation, and minimize power

consumption. Tubular heaters with low-watt density design increase

heater life. Multiple electric heater elements provide redundancy and

extend heater life. DHD series comes with a PLC controller.

Additionally, there are two expanded microprocessor controls available.

All microprocessor controls feature SPI communications protocol

capabilities, automatic temperature set back mode for idle time, digital

dewpoint monitoring, multilevel password protection and more. Most are

available with electrical power options, which range from 208 to 575 v

in 50 or 60 cycle. Hoppers range in capacity from 300 to 25,000 lb.

Gas-fired DHD and [PCT.sup.2] dryers also available.

GS series of low-dewpoint, twin-bed desiccant dryers are operator

and maintenance friendly systems with FC microprocessor control that

ensures versatility, simplicity and reliability. Dryers designed for

quick startup and quick ship. Available in four models from 30 to 150

cfm. Standard features include microprocessor controls, material saver

function and SPI communications protocol. Digital dewpoint monitor is

optional. Standard configurations include hopper mount, floor mount with

process air heater located in dryer enclosure, or floor mount with

process air heater mounted remotely on the hopper for optimum

efficiency. Dryers complement modular hoppers and combine to create

modular drying systems in a variety of configurations.

GS economical portable drying and dry-air conveying system with FC

microprocessor control allows for rapid setup and startup. Unit includes

seven-day clock and Material Saver functions. Optional dewpoint meter.

All components easily accessible, and unit can be stationary as a

beside-the-machine dryer or mounted on a flame and beam stand with its

five-wheel easy glide system for portability.

TSC drying hopper is all stainless steel, solid cone and seamless

interior for quick material change. System is also available with a dry

air conveying package using Autoload minimal inventory loaders. Drying

capacity ranges from 20 to 250 lb/hr, and drying temperatures range from

1400 F to 3500 F.

AutoDry series hopper dryers have no moving parts and are simple to

install and operate. Self-contained units with temperature ranges from

100 F to 375 F, operating at 120 and 230 volts, with hopper sizes from

20 to 800 lb. Units utilize a small amount of plant compressed air to

dry the resin.

Gas Pack retrofit kit will convert expensive electric units to

low-cost natural gas. Unit is an easy bolt-on system: Metallic burner is

designed for extended life span. Operation of the existing dryer is not

affected. Gas Packs available from 200 scfm/8kW to 4000 scfm/320kW. All

units available in standard temperature ranges from 175 F to 250 F, and

high-temperature units to 375 F.


Supplies a range of auxiliaries from Ningbo Huare Machinery Mfg.

Co., Ltd. in China. These include hot-air dryers with hopper capacities

of 27 to 2200 lb. Also dryer/loader packages.


Dehumidifying desiccant dryers with microprocessor controller

feature dewpoints of -40 F; electronic temperature control; process-air

filter with cyclone and cartridge; cycle rates of 8, 12, and 16/hr; no

moving parts except two four-way valves and the blowers; hopper

clean-out door and large sightglass; 20 through 4000 cfm size range with

hopper capacities to 25,000 lb; direct-drive fans; location of desiccant

inside towers and heaters outside in separate boxes; and drawer-type

process-air heaters mounted externally.

Microprocessor-based control panel, which controls and monitors all

dryer functions, available with graphic presentation. Process-air

temperature selected manually and maintained with solid-state electronic

temperature control.

Also hot-air dryers and preheater units for use with nonhygroscopic

materials from 85 through 4000 cfm. Units have solid-state electronic

temperature controls. Process heaters, mounted externally, are

drawer-type that slide in and out. All units are compact, accessible

from the exterior, and furnished with direct-drive fan.


Vibrating fluid-bed, continuous dryers/coolers provide rapid drying

and/or cooling. Vibration of the dryer, coupled with the fluid-bed

design, provides a unit not sensitive to exact air flows or bed depths,

while still providing first-infirst-out flow. Other features include

ease of cleaning, negligible maintenance, and gentle handling of product

with essentially no particle degradation.


Full range of portable and central energy-efficient

microprocessor-controlled dryers including compressed-air, single- and

dual-desiccant bed and continuous-desiccant wheel type, suited for a

wide range of throughputs and materials, including bio-resins.

Drymax closed-loop dryers equipped with SmartRegen energy saving

function for optimized control with individual, electrically operated

switch-over valves for each desiccant bed avoid heat transfer between

the drying and regeneration cycle allowing for high efficiency

processing. New energy rating program helps processors calculate yearly

drying costs. Drymax features include ambient independent dewpoint to

-76 F, motorized switchover valve for operation without compressed air

lines and optimized control of drying and regeneration cycles in both

desiccant beds, energy saving counter airflow regeneration for reduced

energy costs through fastest dehumidification of the desiccant beds

during the regeneration phase, material protection function that avoids

over-drying and thermal degradation of the plastic resin through

short-term lowering of the drying temperatures during production

stoppages of processing machine, and micro particle filter in return air

for dust separation efficiency of up to 99.9% for high process safety.

Silmax insulated stainless-steel battery drying hoppers with

SmartFlow control for energy-efficient operation with fluctuating

material demands and material saver function to prevent over-drying and

thermal degradation of resin.

Portable drying conveyors (PDC) for fully integrated, closed-loop

microprocessor-controlled dry air conveying and JIT conveying.


Turbo-Dryer has only two moving parts: tray/ shelf assembly and fan

assembly, both rotating independently in a fixed sealed housing.

Wet feed enters the Turbo-Dryer through a feed chute in the roof of

the housing and flows onto the first shelf. Shelves are circular with

cut-out center and radial slots and are rigidly mounted on an inner

supporting frame, forming a vertical stack, which rotates slowly as a

unit. Material flows onto each shelf from the one above, forming a pile.

The rotation of the tray/shelf assembly carries the pile past a

stationary blade set to level the pile to fill the tray at a uniform

height. At the end of a revolution, the tray segment meets a second

stationary blade set to wipe the tray clean of material. Material is

held stationary by the wiper blade, while the tray continues its

rotation. It flows through the radial slot onto the shelf below where

the cycle is repeated and then progresses downward from shelf to shelf

through the dryer and is discharged through a chute in the housing


Air or other drying medium is fed to the Turbo-Dryer through a

side-mounted vertical manifold with control dampers. Air moves inside

the dryer by centrifugal fans mounted on a single vertical shaft. Fan

assembly fits into the shelf assembly, rotating independently of the

shelves. Drying medium leaves the dryer through a roof exhaust.

Turbo-Dryer housing, totally sealed, encloses and supports both

tray/shelf and fan assemblies; supports stationary parts of the dryer,

wipers and levelers; and consists of a metal flame and insulated side

panels, roof, and bottom.


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