1150°C Vacuum Atmosphere Rotary Tube Furnace

VACUUM ATMOSPHERE ROTARY TUBE FURNACE

Model: GWDL-1150KQGA

1. GENERAL PARAMETERS

Item	Specification
Furnace Class	1150°C
Model	GWDL-1150KQGA
Furnace Chamber Dimensions (D × W × H)	Ø300 mm × 2500 mm heating zone length
Effective Loading Volume	50–60 L
Furnace Tube Dimensions	Ø120 mm at both ends / Ø300 mm at the middle section
Power Supply	AC 380 V, 60 kW
Thermocouple	Type K, 0–1320°C
Furnace Tube Material	310S Stainless Steel

2. MECHANICAL & STRUCTURAL SYSTEM

Item	Specification
Heating Element Installation	Heating elements installed around the furnace tube
Rotation Speed	1–15 rpm, adjustable
Furnace Tube Inclination	>15°
Furnace Body	CNC machined, polished, acid pickled, phosphated, powder coated and high-temperature baked; corrosion resistant and easy to clean
Furnace Body Structure	Double-layer air-cooled structure with guided airflow cooling the heating-element terminals
Furnace Door	Vertical lifting type, opening upward and downward

3. HEATING & INSULATION SYSTEM

Item	Specification
Heating Elements	High-temperature alloy resistance wire
Refractory Material	Vacuum-formed high-purity lightweight alumina material
Critical Areas	Lightweight hollow alumina plates used at the inlet and bottom
Main Features	High-temperature resistance, low heat storage, excellent thermal shock resistance, crack-free and no shedding
Insulation Layers	Three layers: Aluminosilicate Fiber Board / Alumina Fiber Board / Polycrystalline Alumina Fiber Board
Furnace Shell Temperature	<45°C during continuous operation

The heating and insulation specifications are directly based on the uploaded technical document.

4. TEMPERATURE CONTROL SYSTEM

Item	Specification
Temperature Control Accuracy	±1°C
Temperature Uniformity	±5°C
Heating Rate	Adjustable: maximum 20°C/min (non-linear); minimum 1°C/hour
Controller	Intelligent PID / APID / MPT control
Programmable Segments	50 segments
Functions	Automatic tuning, self-learning and smooth curve fitting
Display Information	Temperature, program segment number, time, remaining time, power %, voltage and current

5. CONTROL & PROTECTION SYSTEM

Item	Specification
Control Method	Closed-loop SCR phase-angle control
Output Mode	Constant voltage / Constant current / Constant power
Control Structure	Inner current loop + outer voltage loop
Main Feature	Stable output under load fluctuations
Protection Functions	Overcurrent, overvoltage, overtemperature, phase loss, soft start and feedback protection

6. GAS & VACUUM SYSTEM

Item	Specification
Vacuum Pump	Mechanical rotary-vane vacuum pump with rotary sealing structure
Flow Meters	2 float-type flow meters for N₂, H₂, etc.

7. HYDROGEN SAFETY SYSTEM

A check valve is installed at the gas outlet to prevent hydrogen backflow.
A hydrogen ignition device is provided.
A hydrogen flame detection device is provided.
In the event of flameout, the exhaust valve and hydrogen inlet valve are automatically shut off.
A hydrogen leakage detection system is provided. In the event of a hydrogen leak, an alarm is triggered and the valves are automatically shut off.

8. EXHAUST GAS TREATMENT SYSTEM

Automatic ignition
Exhaust gas combustion treatment
Flameout alarm

9. ACCESSORIES

Item	Quantity
Insulation Plugs	2 pcs
Crucible Tongs	1 pc
High-Temperature Resistant Gloves	1 pair

10. WARRANTY

Item	Warranty
Furnace Body	1 year
Heating Elements	Not covered by warranty; free replacement within 3 months in case of natural damage

TOUCHSCREEN TECHNICAL SPECIFICATIONS

Item	Specification
Display	7-inch TFT true-color display
Overall Dimensions	206 W × 156 H × 50 D mm
Resolution	800 × 480
Backlight	LED
Power Consumption	5 W
Weight	1 kg
Language	English
Display & Operation	Full-screen display and operation
Display Functions	Instrument screen, bar graph, historical trends, data reports, alarm information, data export, process flow, system management, etc.
Control Objects	Temperature, pressure, flow rate, liquid level, etc.
Number of Furnaces Controlled	1–6 units
Temperature Control	Touchscreen + high-precision integrated module
Start Heating	Touchscreen operation
Temporary Heating	Touchscreen operation
Stop Heating	Touchscreen operation
Temperature Curve Editing	Touchscreen operation; 30 segments per curve
Temperature Curve Storage	Unlimited
Real-Time Status Display	Running curve name, running segment number, time, segment running time, digital temperature, real-time curve and 100% power output
Segment Selection & Start	Touchscreen operation; cross-segment start supported
Curve Range	Adjustable
Historical Curves	Approximately 20 months of storage
Data Reports	Excel format; approximately 20 months of storage; multiple points can be displayed simultaneously; storage can be expanded via USB flash drive
Historical Curve & Report Recording Interval	Adjustable from 1 to 3600 seconds; multiple points can be displayed simultaneously; storage can be expanded via USB flash drive
Alarm Indicator	Color change (red)
Alarm Information	Chinese / English; alarm time and event description
Data Export Interface	USB
Printer Interface	Parallel port
Touchscreen Protection	Password protected; operation prohibited without the password
Communication Interface	RS485

The touchscreen specifications, storage functions, interfaces and control functions are based on the original document.

MANUFACTURER

Company Name: Luoyang Ju Xing Kiln Co., Ltd.
Company Address: No. 1, Xingye Road, Jianxi Science and Technology Industrial Park, Luoyang City, Henan Province, China
Tel: +86 132 7152 6781 / +86 379 6993 6789
Email: thermo@gwdl.com
Website: www.gwdl.com / www.gwdlcom.cn / www.gwdl.org / www.gwdl.cn

Note: The uploaded document is titled as a 1200°C vacuum atmosphere rotary furnace, while the detailed specification identifies the furnace as 1150°C class. I have retained the detailed specification as provided rather than changing the technical data.