Clean Bottom Loading Furnace

The clean bottom loading furnace is mainly used for high-temperature sintering production of inorganic materials annealing, electronic ceramics, zirconia ceramics, alumina ceramics, dielectric ceramics, magnetic materials, nanomaterials, and pre-sintering and sintering treatment of special ceramic target products, annealing processes for high-purity quartz, sapphire, etc.

The independently developed intelligent human-computer interactive touchscreen control system fully considers the needs of stable, safe, and efficient experiments/production, making operations more intuitive and convenient.

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Description
SPECIFICATIONS

Clean Bottom Loading Furnace

Introduction:

Features and Benefits of Clean Bottom Loading Furnace:

Scheduled sintering function: Set sintering time according to requirements, automatically execute pre-stored sintering processes.
Automatic calibration of furnace table movement track origin to ensure safe and stable loading and unloading of materials every time.
One-button loading and unloading for simple and efficient operation.
Non-linear temperature compensation ensures accurate real-time temperature monitoring.
The rate of slow descent of the hearth(furnace table) at high temperatures is adjustable, maximizing both reliability and efficiency in experimental/production settings.
Furnace table embedded gas preheating system ensures high temperature field stability for material safety and experiment/production reliability.
High-purity Al2O3 fiber refractory insulation material provides superior insulation effect, effectively reducing equipment power consumption.
Heating elements are circularly distributed inside the furnace chamber, surrounding the quartz liner 360 degrees, improving temperature uniformity inside the furnace chamber.
High-purity quartz furnace hood, quartz liner, and high-sealing structure design ensure a high clean level of the working chamber.

Technical Details:

Product Name	Clean Bottom Loading Sintering Furnace/ Bell Furnace
Model	B1200-450T22FLW
Main Heating Thermocouple Model	Type K 280mm*φ2 (Two for detection, two for control)
Gas Preheating Thermocouple Model	Type K 250mm*φ1
Heating Zone Size	φ6002502 zones
Heating Zone Length	500mm
Available Tray Size	φ350* H 350mm
Automatic Lifting Method	Closed-loop stepper motor-driven ball screw transmission, speed 12.6mm/s (adjustable)
Automatic Pull-out Method	Closed-loop stepper motor-driven synchronous belt transmission, speed 40mm/s (adjustable)
Gas Inlet Method	Float flowmeter (controlled by solenoid valve for program-selected opening and closing)
Gas Inlet Port Specification	φ6.35
Exhaust Port Specification	KF40 (Optional exhaust gas treatment device and exhaust fan)
Main Heating Power	24KW
Gas Preheating Power	1.2KW
Rated Input Voltage	Three-phase 380V/50Hz
Main Heating Rated Temperature	1150℃ （Heating Method: HRE resistance wire heating）
Gas Preheating Rated Temperature	500℃ （Heating Method: HRE resistance wire heating）
Controlled Temperature Zones	Single temperature with dual control
Recommended Heating Rate	≤10℃/min
Temperature Control Accuracy	≤±1℃
Controlled Cooling Rate Method	Can be set through the program to automatically lower the furnace table by a certain distance after cooling to a certain temperature point to increase the cooling rate
Outer Dimension of Furnace Body	L 1580×H 2050×D 1150mm
Full touchscreen intelligent human-computer interaction system based on PLC control unit	Features: Sintering Process Curve Setting: Dynamically display and set curves, multiple sintering processes can be pre-stored, each with free settings. Scheduled Sintering: Achieve unmanned sintering process with scheduled sintering curves. Real-time Display of Sintering Power Voltage and Recording of Sintering Data, with paperless recording export capability. Remote Control and Real-time Observation of Equipment Status. Temperature Calibration: Non-linear correction throughout the sintering process based on the difference between the main control temperature and the sample temperature.
High-purity Alumina Fiber Furnace Table	Features: Quartz Furnace Table Hood. Built-in Gas Preheating System. Automatic Calibration of Furnace Table Lifting Origin. Gas Uniform Temperature Output Design. Pre-set High-temperature Slow Cooling Rate. Adjustable Horizontal and Vertical Lifting Rates.
Working Chamber	Features: High-purity Quartz Inner Liner. Heating elements are circularly distributed for uniform temperature field. High-sealing structure design to prevent gas overflow while ensuring a high clean level of the working chamber.
Temperature Accuracy	+/- 1 ℃
Gas Supply System	The furnace body reserves two routes of float flowmeter gas inlet, controlled by the electronic control system to control the solenoid valve. After merging through a three-way joint, the gas enters the gas preheater and then enters the reaction. The reacted gas is discharged through the top exhaust port inside the chamber.
Weight	Approximately 854KG
Service Support	1-year warranty, lifetime support (consumable parts such as quartz products and sealing rings are not covered under warranty)