This Tianfu’s specialized storage supply unit designed to maintain the viscosity and chemical stability of adhesives. In industrial applications, "glue" is rarely a simple liquid; it is often a reactive polymer that requires precise thermal management to prevent it from solidifying, degrading, or curing prematurely.
Here is the technical breakdown of an Insulated Glue Tank.
🌡️ System Overview: Thermal Management
The primary function of this tank is not just to hold liquid, but to act as a thermal buffer.
- For Hot-Melt Adhesives: The insulation keeps the glue in a molten state (preventing it from turning back into a solid).
- For Reactive Adhesives (e.g., PU, Epoxy): The insulation minimizes heat loss, reducing the energy load on the heating system. This prevents "hot spots" that can degrade sensitive chemicals.
⚙️ Key Technical Features
The tank is built like a high-performance thermos to ensure energy efficiency and safety.
- Inner Layer: SUS304 or SUS316 Stainless Steel. This is the product contact surface, polished to prevent glue buildup.
- Insulation Layer: A thick jacket (50mm to 100mm) filled with high-density Polyurethane (PU) Foam or Rock Wool. This provides high thermal resistance.
- Outer Casing: Mild steel or stainless steel sheet to protect the insulation layer from physical damage and moisture.
While the insulation keeps heat, a heating system is required to generate it.
- Oil Jacket Heating: The most common method for large tanks. Thermal oil circulates in the jacket, providing uniform, gentle heat (preventing glue scorching).
- Electric Heating Elements: Used for smaller tanks or specific zones.
- Trace Heating: Heating lines on the outlet pipes to prevent the glue from cooling and clogging the valve during discharge.
Glue tends to separate or settle over time.
- Anchor or Paddle Stirrer: A slow-speed mixer keeps the glue homogeneous and ensures even heat distribution throughout the tank.
- Variable Frequency Drive (VFD): Allows the operator to adjust the stirring speed based on the glue's viscosity.
- Gear Pump or Lobe Pump: Since glue is viscous, the tank often has an integrated pump to transfer the adhesive to the filling machine or applicator.
- Bottom Discharge Valve: A sanitary butterfly or ball valve for draining.
📋 Typical Technical Specifications
Parameter Specification
Tank Type Vertical/Horizontal Insulated Storage Tank
Insulation Material Polyurethane Foam (PU) / Rock Wool
Insulation Thickness 50mm - 100mm
Temperature Range Ambient to 200°C (depending on glue type)
Heating Method Thermal Oil Jacket / Electric
Material Inner: SUS304/316, Outer: Carbon Steel/SS
Control PID Temperature Controller (±1°C accuracy)
🎯 Ideal Applications
- Hot Melt Adhesives: Used in packaging and labeling (must be kept >100°C).
- Polyurethane (PU) Glue: Used in footwear and automotive industries (requires strict temp control to prevent reaction).
- White Glue / PVA: Large storage for woodworking (requires freeze protection and anti-skinning).
- Silicone Sealants: Construction grade adhesives.
Summary: An Insulated Glue Tank is a critical component in adhesive processing. By combining high-efficiency insulation with precision heating, it ensures that the glue remains at the exact viscosity required for pumping and application, while significantly reducing energy costs.
