Gruenberg Granulation Dryers

Benefits of Gruenberg Granulation Dryers

  • Large line of standard and custom dryers in multiple sizes
  • Efficient airflow management system provides excellent temperature uniformity
  • Larger systems utilizing our Precision Flow® recirculation air control 
  • Alarm and automatic shutdown at loss of airflow for added safety

Features

  • Low watt density electric Incoloy-sheathed tubular heaters
  • Intake blower or intake/exhaust blower combination and air ports
  • Horizontal airflow system
  • Differential air pressure switches
  • CHIL

    CHIL Construction
    • Separated, insulated inner and outer surfaces
    • Pliable, final seal silicone rubber gaskets
    • Less energy to maintain temperature
    • Heavy duty construction
    • Built around welded, structural steel frame
    • One-piece unitized construction costs less to install
    • Pre-tested, ready for operation
    • Motor and blowers to circulate air for uniform atmosphere
    • V.F.D. motor for circulation adjustment (CFM)
    • Heater elements are Inconel sheathed

    Dryer Options

    • Steam heat exchanger coil
    • Humidity sensor
    • Motorized damper and two limit switches
    • Water-cooled coil
    • Automatic door locking system
    • Paperless graphic recorder
    • Chamber pressure monitoring with pressure gauge and pressure transducer
    • Pre-conditioning of ambient air for year round consistent drying
    • Hot water heat exchanger coil
    • Single-pass airflow
    • Solvent venting package

    Performance

    • Maximum temperatures: typically up to 85°C (185°F)
    • Dryer Uniformity of ±2° at 50°C (122°F)

    Mechanical Equipment

    • 3" thick insulation
    • 16 gauge stainless steel liner
    • 3/4" coved corner radii
    • Fully welded interior liner
    • Perforated diffusor walls
    • Direct drive circulation package W/VFD
    • Natural intake with adjustable damper
    • Validation port
    • Powered exhaust
    • Intake and exhaust HEPA filters
    • Horizontal airflow
    • Left-hand hinged front door
    • 3/16" stainless steel plate floor
    • Full perimeter door gasket
    • Equipment manual

    Mechanical Options

    • 304 - #4 polished exterior
    • Reverse door swing
    • Steam heat
    • Trim panels
    • Seismic bolt-downs
    • Solvent venting package
    • Loading trucks and trays

    Electrical Equipment

    • NEMA 12 control console, side mounted
    • Electric heat
    • 480V, 3Ph, 60Hz
    • Single set-point controller
    • High limit controller
    • Airflow switch
    • Sheathed heaters, Incoloy
    • SCR control
    • Lighted power OFF/ON switch
    • Lighted heat OFF/ON switch
    • Door switch
    • Temperature recorder, circular
    • Process timer
    • Fused main power disconnect
    • Audible / Visual alarm

    Electrical Options

    • Emergency stop button
    • Voltage variations available
    • Temperature recorder, strip chart
    • Communications Interface Module
    • UL508A Labeled control panel

Controller

  • Yokogawa UT150L High Limit Controller Overtemperature Protection

    Yokogawa UT150L High Limit Controller Overtemperature Protection

    • 1/16 DIN high limit controller
    • Type J thermocouple
    • LCD display
    • Shuts down heat-control system and blower when high-heat limit is detected and activates alarm

Options

  • Watlow F4 Temperature Controller

    Watlow F4 Temperature Controller

    • Dual channel
    • Profiling: 40 profiles, 256 steps
    • Automatic & manual control
    • 2 Analog inputs, universal-type (RTD is standard)
    • 4 Digital inputs
    • 2 Auxiliary analog inputs -- optional
    • 2 Control outputs: time proportioned, on/off or 4-20 mA
    • 2 Alarm outputs
    • 8 Digital event outputs
    • 2 Retransmit outputs -- optional
    • Communications: EIA-232 and EIA-485 with Modbus RTU protocol

  • Door Limit Switch

    Door Limit Switch

    • Detects proper oven door closure
    • Shuts off heating system to prevent hot air from being expelled

  • Eagle Signal Model B856 Digital Process Timer

    Eagle Signal Model B856 Digital Process Timer

    • Programmable 1/16 DIN timer
    • 5 selectable standard timing operations and 5 selectable time ranges
    • Audible alarm
  • Partlow MRC 7000 Recorder

    Partlow MRC 7000 Recorder

    • Single Channel
    • Program Capacity: 8 Profiles, 6 Segments per Profile
    • Automatic & Manual Control
    • 1 Process Input: Type J Thermocouple
    • 1 Heat Control Output: 4 - 20 ma
    • 2 Alarm Outputs
    • 1-6 Mechanical Relay Outputs - Optional
    • 1-8 Solid State Relay Outputs -
    • Optional 1-4 (4 - 20 ma) Outputs - Optional
    • 6 Event Outputs - Optional
    • Communications - Optional: RS-485
    • Retransmit - Optional
    • Remote Run / Hold - Optional
  • Allen-Bradley MicroLogix PLC

    Allen-Bradley MicroLogix PLC

    • 10 Digital inputs
    • 6 Digital outputs
    • 2 Analog inputs
    • Ability to add digital, analog, RTD, and thermocouple modules to customize the controller for your application.
    • Supports expansion I/O -- up to four 1762 I/O modules
    • High speed I/O: 20 kHz HSC, 20 kHz 
    • PTO/PWM output
    • 4KB user-program memory
    • 4KB-word, user-data memory
    • Up to 128KB for data logging and 64KB for recipes
    • Built-in 10/100 Mbps EtherNet / IP Port
  • Blow Out Panels

    • Releases when predetermined chamber pressure level is reached
    • Restraining cables prevent panels from being ejected
  • Explosion Venting Latches & Safety Chain

    • Provides venting in the event of internal explosion
    • Latch allows door to blow out away from chamber
  • Control Cabinet Type X-Purge

    • Regulates and monitors pressure of a sealed electrical enclosure up to 70 cubic feet in volume
  • Gas Monitor System with LEL Monitor

    • Detection of combustible gases generated by process
  • Solvent Venting System

    • For processing alcohol, solvent mixes, or other volatiles
    • Eliminates potential of fire hazard or explosion in oven
  • Single-pass Air System

    • Conditions intake air and exhausts it after a single pass through the dryer
    • May be necessary for processes with high alcohol or flammable liquid applications
  • Pneumatic Door Locking System

    • Insures oven door is locked and unlocked in proper oven process cycle

Specifications

Gruenberg Granulation Dryer Specifications

Model Interior Width in. (cm)
Interior Depth in. (cm) Interior Height in. (cm)
T18H28 28 (71.1) 48 (121.9) 36 (91.4)
T18H29 26 (66) 32 (81.3)
60 (152.4)
T18H35.4 36 (91.4) 36 (91.4)
48 (121.9)
T18H36 36 (91.4) 36 (91.4)
48 (121.9)
T18H46 20 (50.8) 20 (50.8) 20 (50.8)
T18H55.76 33 (83.8) 40 (101.6) 73 (185.4)
T18H69.38 45 (114.3) 36 (91.4) 74 (188)
T18H80.9 30 (76.2) 59 (149.9) 79 (200.7)
T18H95.8 54 (137.2) 42 (106.7) 73 (185.4)
T18H111.7 58 (147.3) 52 (132.1) 64 (162.6)
T18H105 54 (137.2) 42 (106.7) 80 (203.2)
T18H129 75 (190.5) 48 (121.9) 62 (157.5)
T18H156 42 (106.7) 107 (271.8) 60 (152.4)
T18H182.25 81 (205.7)
54 (137.2) 72 (182.9)
T18H304 106 (269.2)
92.5 (235) 91.25 (231.8)
T18H374.5 92 (233.7)
107 (271.8) 72 (182.9)
T18H476 139 (353.1) 88 (223.5) 76 (193)
T18H35.9-G
28 (71.1)
30 (76.2)
74 (188)
T18H53.6-G
33 (83.8)
36 (91.4)
78 (198.1)
T18H72.0-G
36 (91.4)
48 (121.9)
72 (182.9)
T18H124.1-2D-G
84 (213.4)
37 (94)
69 (175.3)
L18H27.0-F
36 (91.4)
36 (91.4)
36 (91.4)
Exterior dimensions are a function of options; generally add 16-18 inches to width, 8-11 inches to depth, and 24-36 inches to height.

Applications

Industries