• Bulk chemical storage and blending systems
  • Comprehensive solutions for unloading, storing, transferring, blending and conditioning raw materials
  • Bulk chemical storage and blending systems

Bulk chemical storage and blending systems

Comprehensive solutions for unloading, storing, transferring, blending and conditioning raw materials

Hennecke storage and blending solutions are available in a range of types, sizes and modular configurations. Our design engineers work with customers to determine the best combination of storage and blending equipment to satisfy their unique chemical and production requirements.

Bulk chemical storage systems unload, store and transfer intermediate to large quantities of raw materials within a closed loop, minimizing opportunities for contamination, spills, evaporation and employee or environmental exposure.

Blending systems allow in-house formulation of liquid or liquid and solid particle blends to achieve the specific characteristics of an end product. Polyols typically require the addition of blowing agents, activators, emulsifiers, foam stabilizers, flame retardants or other auxiliary materials to achieve those characteristics.

Bulk storage systems for larger volumes of chemicals include unloading stations for materials delivered by tanker truck or rail car, storage tanks, transfer pumps and all required controls, valves, instrumentation, safety devices and piping.

Raw material storage systems sized to customer needs

Raw material storage systems sized to customer needs

Stable storage and handling of polyol, isocyanate, blowing agents and additives ultimately lead to higher quality products. Hennecke’s state-of-the-art equipment and technology for intermediate and bulk storage solutions are designed to maintain raw materials at the optimum processing condition.

Bulk unload stations with pump or pressure transfer

Bulk unload stations with pump or pressure transfer

Bulk unload stations are designed for safe, efficient unloading of liquid raw materials delivered by tanker truck or rail car.

The delivery tanker begins unloading chemicals by connecting to pipe couplings and valves mounted in an unload station box. For high viscosity chemicals or longer distances, unload pumps move the chemical from delivery tanker to the bulk storage tank. For short distances and low viscosity materials, a pressure transfer method may be used. A blanket of dry air or nitrogen pressurizes the delivery tanker to push the chemical from tanker to the bulk storage tank.

Transfer pumps and temperature control

Transfer pumps and temperature control

Chemicals used in polyurethane processing are sensitive to temperature and flow fluctuations. Pumps, equipped with variable speed drives, are selected for the type and viscosity of chemical being transferred from storage tanks to blending or metering systems. Tempering devices, such as heat exchangers, temperature control units and chillers, in a closed cooling system ensure appropriate conditioning of primary components.

Blending systems for liquids and powders

Blending systems for liquids and powders

Blending systems precisely meter and blend various additive into the main polyol stream to improve both mixing ability and reaction behavior. Hennecke offers proven equipment for conditioning, blending and mixing raw materials with the polyol stream, including static or dynamic mixers and integrated gas loading units.

Specialized bulk systems for flammable materials

Specialized bulk systems for flammable materials

Hennecke experts have the know-how for safe processing of the eco-friendly blowing agent pentane. Because pentane can create an explosive atmosphere at certain gas concentrations our Pentane Process Technology (PPT) comprises a catalogue of primary and secondary safety measures to prevent emergence of explosive mixes right from the start. Our years of global experience with these systems means we can offer you a suitable concept that complies with national and international directives as well as local regulations and requirements.

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