Four Stations Liquid Nitrogen Bead Dispensing and Freezing System
Overview
The MICRAVA four position liquid nitrogen freeze bead instrument is designed with a three-axis high-speed running module, along with high-precision injection pumps and liquid nitrogen insulation cups, etc. These components work together to achieve the goal of forming high-efficiency and high-precision freeze bead spheres. Combined with an efficient intelligent operation software, the equipment is easy to operate, safe and fast.
It's specialied in IVD industry biological reagents, liquid medicine, cosmetics, suchas collagen freeze-dried small ball application.
Performance Feature
Product Features & Advantages
1. 4~8 station operating mechanism designed for lab frozen bead production.
2. Advanced dispensing structure ensures the beads do not touch each other, burst, or connect during the freezing process.
3. Equipped with 8 liquid nitrogen cups with vacuum insulation design to effectively reduce liquid nitrogen evaporation and improve cooling efficiency.
4. Each dispensing channel can be independently enabled or disabled for flexible operation and easier process control.
5. Integrated with a high-precision intelligent metering pump to ensure excellent consistency of medicine beads and stable micro liquid dispensing.
6. Touch screen intelligent control system allows convenient adjustment of dispensing volume and operating parameters.
7. Pump heads are installed close to the dispensing position to minimize tubing waste and improve liquid utilization efficiency.
8. Ceramic pump structure provides excellent chemical resistance and is compatible with most biological, pharmaceutical, and chemical fluids.
9. Suitable for micro-volume frozen bead applications in biomedical, pharmaceutical, laboratory, and diagnostic industries.
10. Stable low-temperature performance ensures reliable operation under liquid nitrogen freezing environments.
Technical Parameter
| Item | Specification |
| X-axis travel | 300mm, closed-loop stepper motor + lead screw drive (left-right movement) |
| Y-axis travel | 150mm, closed-loop stepper motor + lead screw drive (front-back movement) |
| Z-axis travel | 50mm, stepper motor + timing belt drive (up-down movement) |
| Bead forming efficiency | 24–40 pcs/min (depending on bead size) |
| Bead forming speed | 10–20 seconds per bead (depending on bead size) |
| Liquid nitrogen cups | 8 sets of SUS316 stainless steel insulated cups, each cup supports up to 200ml liquid nitrogen |
| Dosing system | MICRAVA 100μL ceramic rotary pump, dosing range 5–100μL |
| Fluid connection | Inlet directly connects to syringe; outlet directly connects to dispensing needle, no tubing required |
| Pump body size | 60mm*65mm*130mm (L * W *H) |
| Pump weight | Approx. 3.0kg, can be used as standalone unit |
| Control system | Intelligent control system: speed, position, quantity setting, program save & recall |
| Positioning accuracy | ±0.2mm |
| Power supply | AC220V / 50Hz, 200W |
| Working temperature | 10°C – 40°C |
| Humidity | < 80% |
| Machine dimensions | 650mm*450mm * 450mm (L * W * H) |
| Machine weight | Approx. 26kg |
Technical Feature
1. The metering pump is made of zirconia (ZrO₂) material, sintered at 1600°C. It features a uniform microstructure and extremely high density, providing excellent wear resistance, strong alkali corrosion resistance, and long service life.
2. The pump core consists of a ceramic plunger rod and plunger sleeve. Both components are precision polished and accurately matched, requiring no dynamic seals or lubricating oil.
3. Both the pump sleeve and internal components are highly corrosion-resistant, enabling compatibility with a wide range of chemical and liquid applications.
4. Equipped with a programmable controller and touchscreen human-machine interface (HMI), offering stable performance and easy operation.
5. Standard communication interface supports standalone operation or easy integration with PLC systems or industrial computers.
6. The operator can calculate the total dispensing volume based on actual production requirements using the following formula:
Q total (total dispensing volume) = Q stroke (stroke volume) × N strokes (number of strokes)
Structural Diagram
Use Cases
Plump and round frozen beads with uniform size, formed through precise micro-dosing and instant liquid nitrogen freezing.
Each bead maintains excellent shape consistency and structural stability.
Detailed Picture
4 Station / 8 Station / 12 Station Rotary Indexing Table (Optional)
The equipment supports flexible configuration with 4-station, 8-station, and 12-station rotary indexing tables, allowing customers to choose according to different production capacities and process requirements.
4-Station: Ideal for small-batch production and R&D testing, offering maximum flexibility and easy operation.
8-Station: Balanced solution for medium-scale production, combining efficiency and stability.
12-Station: High-speed mass production configuration, significantly improving output and cycle efficiency.
Each rotary table is designed for high-precision positioning, smooth operation, and long-term stability, ensuring consistent performance in automated liquid filling and dosing systems.
Suitable for integration with ceramic metering pumps and automated production lines for battery electrolyte filling, chemical dosing, and precision dispensing applications.
