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8m³ Large Pit Furnace

PRODUKTPARAMETER

  1. Maximum operating temperature: 1000°C
  2. Control range: 50 to 1000°C
  3. Crucible heating dimensions (mm): Diameter 1500 × 2000 (Height)
  4. Stromspannung (AC V): 380
  5. Design power (kW): 280 (automatic adjustment)
  6. Weight (kg): 3650
Beschreibung
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Beschreibung

8m³ Large-Scale Pit-Type Furnace

This 8m³ large-scale pit furnace utilizes high-temperature alloy resistance strips as heating elements and is specifically designed for the heat treatment of large workpieces, high-temperature sintering, and industrial production. It meets a wide range of process requirements, including sintering, schmelzen, Wärmebehandlung, analytical testing, and batch production. The furnace chamber is constructed from vacuum-formed, high-purity alumina lightweight insulation material, offering features such as high-temperature resistance, Thermoschockbeständigkeit, geringe Wärmespeicherung, and immunity to slagging or cracking.

Pit Furnace Product Features

  1. Extra-large capacity with 8m³ processing volume

This unit is a large-scale pit-type furnace featuring an 8-cubic-meter chamber, capable of processing large batches of materials or oversized workpieces simultaneously. It is designed for large-scale industrial production, significantly boosting per-batch throughput.

  1. Comprehensive heating (sides and bottom) for excellent temperature uniformity

The heating elements consist of high-temperature, molybdenum-containing alloy resistance strips arranged around the furnace walls. There are six tiers of M-shaped resistance strips; each tier measures 250 mm (height) × 2.5 mm (thickness) × 30 mm (width) and has a power rating of 30 kW. The furnace hearth utilizes six uniform-diameter silicon carbide rods—each rated at 15 kW—protected by ceramic plates.

  1. Split-body design for easy transport and installation

The furnace body features a split-structure design (upper and lower sections), facilitating transportation and on-site installation. It is suitable for the on-site assembly of large-scale equipment.

  1. Corrosion-resistant 316L stainless steel inner liner

The inner liner is constructed from 316L stainless steel (supplied by the customer) and features a sealed design. It offers excellent corrosion resistance, making it suitable for heat treatment processes across a variety of atmospheric environments.

8m³ Large-Scale Pit-Type Furnace
Temperature Category1000℃
Stromversorgung380V AC
Maximale Betriebstemperatur1000℃
Long-term Operating Temperature950℃
Kontrollbereich50-1000℃
TemperatursensorType K thermocouple, measuring range 0-1320℃ (detects inside the furnace liner)
Heating Element LocationSurrounding (high-temperature alloy resistance strip, Mo-containing, surface temperature up to 1380℃) + Unten (equal-diameter silicon carbide rods with ceramic plate protection). Surrounding: six layers of high-temperature alloy resistance strip, M-shaped, each layer dimensions: H250×T2.5×W30mm, each layer 30kW; Unten: 6 Siliziumkarbidstäbe, each 15kW
HeizrateFreely adjustable: max. 15℃/Min, min. 1℃/h
HeizkörperHigh-temperature alloy resistance strip (Mo-containing), surface temperature up to 1380℃
Furnace BodyCNC-gefräst, polished, sanded, acid-washed, phosphated, powder-coated, and baked. Two-tone color scheme, oxidation-resistant, acid/alkali resistant, corrosion resistant, high temperature resistant, easy to clean. Upper and lower parts can be separated
Inner LinerSealed, stainless steel 316L material (provided by customer)
Feuerfestes MaterialLining made of vacuum-formed high-purity alumina lightweight material; high-wear areas (furnace port, bottom) use lightweight hollow ball alumina plates, resistant to thermal shock, kein Knacken, keine Abplatzungen, energy saving >80%
IsoliermaterialHigh-alumina fiber folded blocks, energy saving >80%
Furnace Exterior Surface TemperatureDuring continuous long-term operation, exterior temperature <55℃
Protection (provided by customer)Integrated module control unit with dual-loop control and dual-loop protection, including protection against overshoot, unterschreiten, segment loss, Phasenverlust, Überspannung, Überstrom, Übertemperatur, aktuelles Feedback, and soft start
Control (provided by customer)Closed-loop technology with thyristor module trigger control, phase-shift or zero-cross triggering, continuous adjustment of output voltage, current or power, featuring constant voltage, constant current or constant power characteristics
Warranty Scope & PeriodElectric furnace: one-year free warranty. Heating elements are not covered

Pit Furnace Application Areas

  • Sintering of Refractory Materials: Suitable for the high-temperature, mass-scale sintering of refractory materials such as refractory bricks, castables, and magnesia-carbon bricks.
  • Sintering of Large Ceramic Products: Suitable for the batch sintering of large-sized ceramic products, including insulators, rollers, pipes, and crucibles.
  • Heat Treatment of Metal Castings: Suitable for heat treatment processes—such as annealing, normalizing, tempering, and stress-relief annealing—for large steel, cast iron, and ductile iron castings.
  • Heat Treatment of Metal Materials: Suitable for the heat treatment of large metal components such as shafts, pipes, and plates.
  • Metallurgical Industry: Suitable for the reduction and sintering of metal powders, as well as the melting and heat treatment of alloy materials.
  • Electronics Industry: Suitable for the mass heat treatment of electronic functional materials, such as electronic ceramics and magnetic materials.
  • Chemical Industry: Suitable for the activation and calcination of materials such as catalyst supports and molecular sieves.
  • Entwicklung neuer Materialien: Suitable for the R&D and pilot-scale production of new materials, including specialty materials, composites, und Hochtemperaturlegierungen.

Unternehmensprofil

Ein professionelles Unternehmen, das sich auf Dienstleistungen im Bereich Wärmebehandlungstechnologie und die R. spezialisiert hat&D, Herstellung, und Vertrieb von Hochtemperatur-Elektroöfen.

Das Unternehmen konzentriert sich auf die Entwicklung von Hochtemperatur-Elektroöfen, die einen gesamten Temperaturbereich von -100℃ bis 2600℃ abdecken. Zu seinen Produkten gehören experimentelle Elektroöfen, Vakuumatmosphärenöfen, Industrieöfen, und Mittelfrequenz-Induktionsheizgeräte. Zu den Hauptprodukten gehören Kastenöfen, Rohröfen, Hebeöfen, Schuböfen, Drehgestellöfen, Drehrohröfen, Tunnelöfen, und verschiedene spezialisierte Mittelfrequenzöfen.

Das Unternehmen setzt auf technologische Innovation und hat die ISO9001- und EU-CE-Zertifizierungen bestanden. Es besitzt 21 eingetragene Marken, 29 Patente, Und 27 Software-Urheberrechte.

Zahlungsmethoden

TT

Versandarten

Der Elektroofen ist in drei Schichten verpackt: zunächst in Schaumstoffpapier eingewickelt, dann in Plastikfolie eingewickelt, und schließlich in einer Holzkiste verpackt.

Pit Furnace Frequently Asked Questions (FAQ)

  1. What material is used for the furnace chamber?

It utilizes vacuum-formed, high-purity alumina lightweight material, offering excellent high-temperature resistance, thermal insulation, and thermal shock resistance.

  1. Is the temperature control precise?

It employs a closed-loop control system and SCR (Silicon Controlled Rectifier) ​​power regulation technology to achieve high-precision temperature control and stable output.

  1. Is it suitable for continuous production?

Ja. The equipment features an industrial-grade design capable of meeting the demands of long-term continuous operation and batch production.

  1. Is customization available?

Ja. Customization is available for chamber dimensions, temperature ratings, control systems, loading methods, automation configurations, and more, based on customer requirements.

  1. What is the warranty period?

The entire unit comes with a one-year free warranty; Jedoch, heating elements are considered consumables and are not covered under the warranty.

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