# Rotary Tube Furnace

**CVSIC Rotary Tube Furnace** is a high-efficiency thermal processing solution designed for precise sintering and calcination of **lithium-ion battery anode/cathode materials**, **inorganic compounds**, and **nano-structured materials**. Engineered with a **360° rotary quartz tube**, **adjustable tilt** (0–30°), and **internal quartz lifting plates**, this furnace ensures **even heating**, **optimal material turnover**, and **enhanced sintering consistency**.

Designed for **universities**, **research institutes**, and **small-scale industrial production**, it offers excellent **thermal uniformity**, **programmable control (50 segments)**, and **modular atmosphere/vacuum options**.

## 1200°C Rotary Tube Furnace (with Molybdenum-Containing Resistance Wire)

| Model | Furnace Tube Size (Fine End Diameter × Heating Zone, mm) | Coarse End Diameter (mm) | Power (kW) | Maximum Operating Temperature (°C) | Thermocouple Type | Furnace Tube Material | Heating Element |
| --- | --- | --- | --- | --- | --- | --- | --- |
| CV-12NRT-60/300 | 60 × 300 | 120 | 3 | 1100 | K-type | Quartz tube | Molybdenum-containing resistance wire |
| CV-12NRT-60/450 | 60 × 450 | 5 |  |  |  |  |  |
| CV-12NRT-80/300 | 80 × 300 | 150 | 3 |  |  |  |  |
| CV-12NRT-80/450 | 80 × 450 | 5 |  |  |  |  |  |
| CV-12NRT-100/300 | 100 × 300 | 180 | 5 |  |  |  |  |
| CV-12NRT-100/450 | 100 × 450 | 7 |  |  |  |  |  |
| CV-12NRT-150/300 | 150 × 300 | 200 | 7 |  |  |  |  |
| CV-12NRT-150/450 | 150 × 450 | 9 |  |  |  |  |  |

**Note:** Further customization available upon request.

## CVSIC Rotary Tube Furnace Features

- **360° Rotary Tube Design:** Promotes uniform heat distribution with adjustable speeds ranging from 3 to 7 rpm and internal lifting plates for thorough mixing.

- **Tilt Functionality:** The furnace body tilt (0–30°) enhances ease of loading/unloading, while supporting continuous powder feed or discharge.

- **High-Temperature Performance:** Max temperature of **1200℃**, with **1100℃ continuous operation**, powered by **molybdenum-containing resistance wires**.

- **Precision Control:** ±1℃ accuracy using **50-segment PID programmable control**, heating rate adjustable from 0 to 20℃/min.

- **Atmosphere Flexibility:** Compatible with **inert gases (N₂, Ar, CO₂)** or **air**, featuring **sealed vacuum flanges** and an optional molecular pump to achieve **7×10⁻³ Pa vacuum**.

- **Dual-Zone Heating Optional:** Enables complex thermal gradients for advanced material synthesis.

- **Enhanced Safety:** Integrated with door-interlock cutoff, over-temperature alarm, and leakage protection.

- **User-Centric Design:** A top-open lid allows for real-time observation, while the air-cooled double-layer structure ensures low surface temperatures.

## CVSIC Rotary Tube Furnace Applications

The CVSIC rotary tube furnace is widely used in the following industries and processes:

- **Lithium-ion battery materials:** Preparation of anode materials with conductive coatings and sintering of battery materials.

- **Inorganic compounds:** High-consistency sintering, suitable for preparing chemical materials and catalysts.

- **Research and laboratories:** Used by universities and research institutions for thermal treatment experiments on new materials (such as nanomaterials and composite materials).

- **Material drying and calcination:** Uniform drying and high-temperature calcination processes to optimise product quality.

- **Powder metallurgy:** Sintering and heat treatment of metal powders and alloy materials.

This furnace type provides an efficient solution for customers requiring uniform heating, high-precision atmosphere control, and flexible operation, particularly suitable for laboratory research and small-scale production.

## Customisation Services

CVSIC offers comprehensive customisation services to ensure seamless integration with your production and R&D requirements:

- **Furnace Tube Dimensions and Materials:** Customisable furnace tube diameter (60–150 mm) and heating zone length (300–450 mm), supporting high-purity quartz or other high-temperature-resistant materials.

- **Temperature zone configuration:** Supports single-zone or dual-zone designs to meet complex sintering process requirements.

- **Vacuum and atmosphere system:** Customise high vacuum (7×10⁻³ Pa), low vacuum, or inert gas systems, supporting float/mass flow meters and multi-channel gas control.

- **Control system:** Provides a high-definition touchscreen, computer-connected software, and data-logging control programs to enhance automation levels.

- **Heating Power:** Adjustable power (3-9 kW) based on process requirements to optimise heating efficiency.

- **Global Support:** Installation guidance, operational training, and maintenance services are provided to ensure the stable operation of the equipment in the long term.

Please get in touch with CVSIC to obtain customised rotary tube furnace solutions tailored to your industry that support global wholesale and custom orders.

Looking for tailored rotary tube furnace solutions for your materials research or pilot production line? **Contact CVSIC today** for technical consultation, price inquiry, and sample configurations!