Высокотемпературные колпаковые печи и печи с подъемным подом с нагревательными элементами из дисилицида молибдена и изоляцией из легких огнеупорных кирпичей до 1800 °C

Система может быть опционально оборудована одним или несколькими дополнительными столами, перемещаемыми вручную или механически.

Управление процессами

Функции и оборудование

HT1000_17LT-2.png
HT750_18LTS
HT166_16LB_DB200-3S.png
HT558_18LT.png
HT1030_16LT_DB200-4.png
HT230_17LT_DB100-1.png
HT550_17LT_DB200-3.png
HT1700_17LT_DB200-5-2.png
HT_LT_mot.Haubenverriegelung.png
HT_LT_Zweihandbedienung.png
HT_Begasungssystem.png
HT_Beheizung
HT_Messaufbau
Tisch_mit_Antrieb.png

High-temperature top hat furnaces are ideal for applications that require high temperatures, such as ceramizing quartz glass. The furnace is designed so that the table can be accessed from three sides and also ensures ergonomic loading and unloading of large components. Complex structures and smaller components can also be charged safely. The furnaces can be equipped with a movable top hat or a movable table.

The basic furnace comes with one table. The system can be extended with one or more changeable tables, either manually or electrically driven, for example, to achieve higher throughput. Other additional equipment, like controlled cooling systems to short process cycles or the addition of a debinding package for debinding and sintering in one process provide for tailored solution for individual needs.

  • Tmax 1600 °C, 1750 °C or 1800 °C
  • Recommended maximum working temperature approx. 50 °C below Tmax of the furnace. Higher working temperatures will increase wear and tear.
  • Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature and high stability
  • Top hat furnaces: electrohydraulically driven top hat with fixed table
  • Bottom loading furnaces: driven table and fixed top hat
  • Two-hand operation for manual hood/table movement
  • Gently running, low-vibration spindle drive or electrohydraulic drive for larger models
  • Motorized hood locking securing the hood in upper position
  • Safe and tight closing of the furnace by means of labyrinth seal
  • Heating from all four sides provides for good temperature uniformity
  • High-quality fiber insulation backed by special insulation
  • Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP). This explicitly means that alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
  • Side insulation constructed with tongue and groove blocks provides for low heat dissipation to the outside
  • Long-life, robust roof insulation with special suspension
  • Furnace table with special bottom reinforcement to accommodate high charge weights (distributed load 5 kg/dm2)
  • Motorized exhaust air flap in the furnace roof, controlled via the extra function of the controller
  • Heating elements switched via SCR‘s
  • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
  • Defined application within the constraints of the operating instructions
  • Controller with touch operation P570 (50 programs with each 40 segments)
  • NTLog Basic for Nabertherm controller: recording of process data with USB‑flash drive
  • Freeware NTEdit for convenient program input via ExcelTM for WindowsTM on the PC
  • Freeware NTGraph for evaluation and documention of firings using ExcelTM for WindowsTM on the PC
  • MyNabertherm App for online monitoring of the firing on mobile devices for free download

Дополнительное оборудование

  • Cooling system to cool the furnace with a defined temperature gradient or with a preset fresh air volume. Both operating modes can be switched on and off for different segments by means of the extra function of the controller.
  • Stainless steel exhaust hood as interface to customer’s exhaust system
  • Customer-specific arrangement of the heating elements to optimize temperature uniformity, for example, with heating elements between the charge stacks
  • Special heating element qualities e.g. for zirconoxide applications
  • Thermoelement for the heating control with calibration certificate
  • Protective gas connection for purging the furnace with non-flammable process gases (not completely gas-tight)
  • Automatic gas supply system with solenoid valve and rotameter, controlled by the extra function of the controller
  • Bottom insulation made of durable lightweight refractory bricks for especially heavy charge weights (Tmax 1650 °C)
  • Options for table exchange systems:
    • Manual or automatic table exchange system with one or two tables
    • Multi-table exchange system with tables transportable by fork lift
  • An electric mover ensures smooth movement of the freemoving table
  • Process control and documentation via VCD software package for monitoring, documentation and control

Спецификации

ModelTmaxInner dimensions in mmVolumeOuter dimensions1 in mmHeating powerElectricalWeight
 °Cwdhin lWDHin kW2connectionin kg
HT 64/16 LB, LT160040040040064110017502400363-phase1100
HT 166/16 LB, LT1600550550550166135020602600423-phase1500
HT 276/16 LB, LT16001000500550276180021002600693-phase1850
HT 400/16 LB, LT16001200600550400190022002680693-phase2600
HT 500/16 LB, LT16001550600550500210022002680693-phase2700
HT 1000/16 LB, LT160010001000100010001800290040001403-phase3000
HT 1030/16 LB, LT1600220060078010302950250030501603-phase3200
            
HT 64/17 LB, LT175040040040064110017502400363-phase1100
HT 166/17 LB, LT1750550550550166135020602600423-phase1500
HT 276/17 LB, LT17501000500550276180021002600693-phase1850
HT 400/17 LB, LT17501200600550400190022002680693-phase2600
HT 500/17 LB, LT17501550600550500210022002680693-phase2700
HT 1000/17 LB, LT175010001000100010001800290040001403-phase3000
HT 1030/17 LB, LT1750220060078010302950250030501603-phase3200
            
HT 64/18 LB, LT180040040040064110017502400363-phase1100
HT 166/18 LB, LT1800550550550166135020602600423-phase1500
HT 276/18 LB, LT18001000500550276180021002600693-phase1850
HT 400/18 LB, LT18001200600550400190022002680693-phase2600
HT 500/18 LB, LT18001550600550500210022002680693-phase2700
HT 1000/18 LB, LT180010001000100010001800290040001403-phase3000
HT 1030/18 LB, LT1800220060078010302950250030501603-phase3200
1External dimensions vary when furnace is equipped with additional equipment. Dimensions on request
2Depending on furnace design connected load might be higher

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