Drum type process dryers, also known as rotary dryers, are workhorses in many industries for efficiently drying a wide range of materials. Here's a breakdown of their uses and construction:
Drying bulk solids: This is their primary function. They excel at reducing the moisture content of materials like:
Drum dryers consist of a large, rotating cylindrical drum. The material to be dried is fed into one end of the drum, while hot air or gas is blown through the drum, either in the same direction as the material flow (co-current) or in the opposite direction (counter-current). As the drum rotates, the material tumbles and comes into contact with the hot Drum, allowing moisture to evaporate. The dried material is then discharged from the other end of the drum.
The choice of materials depends on the specific application and the properties of the material being dried. Common materials include:
Read more: The market for second-hand process plant and equipment is thriving
Type: Dryer-Drum
Manufacturer: Buflovak/Blaw Knox
Model: 60X120 VDDD
Condition: Used
Material: Stainless Steel 304L
Diameter: 1,524 mm (60 in)
Length: 3,048 mm (120 in)
Chrome plated carbon steel drums with 304 stainless steel, jacketed vacuum housing
Sanitary and polished construction suitable for food and pharmaceuticals but can be used for any batch processes, or converted to a continuous process.
Drum rolls have a 16 micro-inch finish, all internals have a 32 micro-inch finish
External finish is 2B or bead blast
Vacuum housing is rated to operate at full vacuum
Drums are rated for 160psi/FV @ 375 degrees F (NB# 9918 and NB# 9919)
Designed for use in class 1 division 2 atmospheres
1287 lbs./hr. of H2O and Ethanol
utilizing a 3.8 to 4.6 lbs./hr./ft2 evaporation rate
Spring loaded screw type manual adjustment assemblies with digital drum gap display
Pneumatic cylinder adjustable 304 stainless steel knife bars with clamp and acme thumb fasteners and pneumatically operated stainless steel end scrapers
8 zone steam jackets rated for 160 psi at 375 degrees F
(4) 6” tri-clamp top chamber inlets, (4) 4” tri-clamp product feed inlets, (2) 14” 150lb ANSI flange vapor outlets
(14) 1/2” NPT hot water jacket nozzles, (2) 1.5” NPT hot water jacket nozzles, (6) 4” tri-clamp internal drains, (10) 4” tri-clamp light ports
The Vacuum system is rated for 140 CFM, and is 304 SS contact, capable of handling 1,340 lbs./Hr. of vapor rate
Manufactured by Wintek Corp
Model # C380R50-WSS-=140/2-1FRss, serial # 140321
The skid mount system contains the following equipment: One-(1) 380 square foot, 304 SS contact, shell and tube pre condenser
TEMA C AEL, requires 180 GPM of cooling water at 50 degrees F
One-(1) Non code 304 SS 50-gallon receiver, with condensate pump
One-(1) Vacuum pump, SS wetted side, manufactured by Dekker, rated for 140 CFM, direct driven by a WEG 10 HP motor at 1750 rpm
One -(1) separator tank, non-code 304 SS, approximately 10 gallons
One- (1) Sealant heat exchanger, non-code, plate and frame, SS process side, requires 10 GPM cooling water at 50 degrees F
All equipment mounted in a CS frame work with ss interconnecting piping
The control system is a free standing Panel View Plus 1000 in a nitrogen purged enclosure good for Class 1,Division 2, Group D
It is located local to the machine, but will also send a signal to a remote control room
Located outside the classified area are the motor VFD, and electrical controls
Drum Heating-Cooling: Heating. Heating Type: Steam. Drum Configuration: Double. Pressure: 11 bar (160 psi). Temperature: 190.6 °C (375 °F). Heat Transfer Surface Area: 29.2 m² (314 ft²). Vacuum Rated: Yes. Vacuum Housing: Yes. Vacuum Housing MOC: Stainless Steel 304L.
Type: Dryer-Drum
Manufacturer: Simon Dryers
Condition: Refurbished/Rebuilt
Diameter: 914.4 mm (36 in)
Length: 2,540 mm (100 in)
cast iron R Simon single drum dryer Dryer includes (3) + (1) 316SS 9" feed rolls working pressure 3 bar (6 bar tested) w/(2) pneumatic and (1) manual operated feed roll scrapers Scraper knifes mfd form tufnol bear brand material Pneumatically operated (non-oscillating) cast iron knife bar Knife mfd in cast steel Motor: 28 amps variable speed gearbox Radicon reduction gearbox SS paddle conveyor w/inspection panels powered by 1.5 KW geared motor Unit can be supplied w/pneumatically operated traversing gear if required Control panel consisting of all pneumatic controls and electrical timers for feed roll scrapers Was rebuilt
Drum Configuration: Single. Pressure: 7 bar (101.5 psi). Heat Transfer Surface Area: 7.4 m² (80 ft²). Number of Applicator Rolls: 4. Applicator Roll Diameter: 228.6 mm (9 in).
Type: Dryer-Drum
Manufacturer: Simon Dryers
Condition: Used
Material: Stainless Steel 316
Diameter: 456 mm (18 in)
Length: 1,370 mm (53.9 in)
single drum dip feed dryer M/C #4586 Drum cored for steam heating (2-50mm openings) Speed 1 to 6 rpm Drum totally enclosed in 316 stainless steel chamber Motor: non-flameproof motor Drum with monel adjustable stainless steel knife/scrapper Dip tray 1522mm long x 736mm wide Openings: 2-50mm, 1-25mm; hood with 1-300mm, 2-100mm. All wetted parts 316 stainless steel. (3) 400mm long x 300mm wide inspection covers.
Drum Heating-Cooling: Heating. Heating Type: Steam. Drum Configuration: Single. Pressure: 7 bar (101.5 psi). Temperature: 174 °C (345.2 °F). Heat Transfer Surface Area: 1.95 m² (21 ft²).
Type: Dryer-Drum
Model: 134-4 0000
Condition: Unused
Material: Stainless Steel 316
Diameter: 762 mm (30 in)
Length: 2,591 mm (102 in)
single drum dryer Drum driven by 12 KW motor and reducer Cored drum Packing gland on shaft Outboard bearings Dual knife discharge, manual knife adjustment into 8" dia screw conveyor
Drum Heating-Cooling: Heating. Heating Type: Steam. Drum Configuration: Single. Pressure: 8 bar (116 psi). Temperature: 175.6 °C (348 °F). Heat Transfer Surface Area: 6.3 m² (67.8 ft²).