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Semi-Continuous Blending for Solids and Liquids/Solids Applications
Gemco Porta-Hopper blending systems provide the ability to both process and transport materials in a common hopper unit. This is accomplished with a system that consists of the blending unit and inexpensive transportable hoppers. The blender utilizes Gemco's exclusive high efficiency D/3 Double Cone Design, with a detachable hopper functioning as half of the blender. The hopper is wheel mounted for easy transportation.

Process Features
The Porta-Hopper system is particularly suited to applications which are sensitive to cross contamination problems. During transportation, the hoppers can be closed with dust tight covers. Plus they can be equipped with a retractable sleeve discharge device. These two features create a virtually "closed" system, drastically reducing dusting problems.

By utilizing multiple hoppers, the system provides the capability to process materials in a semi-continuous manner. Downtime is reduced to the short period that is required to exchange hoppers. Cross contamination problems can be further minimized by utilizing different hoppers for each material, and by designating those hoppers for use only with specific materials.

Control Features
The Porta-Hopper System is equipped with a complete automatic control system as a standard equipment. Optional features include a variety of monitors, recording charts, and fully automated computerized process control.

Cost Saving Features
The Porta-Hopper system can be utilized in place of more costly material transportation systems such as vacuum devices, or labor intensive manual drum systems. Separate transporters or portable bulk bins can be totally eliminated. The system utilizes inexpensive conventional hoppers, in sizes up to 250 cubic feet (or larger depending on the application) which are designed to be transported manually, with forklifts or hoists.

If the blending process requires agitation, the agitator need only to be installed in the blending section of the system, rather than in each of the hoppers. This keeps hopper costs low, making it possible to purchase as many as is needed for efficient operation and additional production requirements.

Operational Features
The Porta-Hopper provides all of the operating features of Gemco's extremely popular D/3 Double Cone Blender, combined with the advantages afforded by the transportable hoppers.

These features include:

  • D/3 design provides greater particle mobility for more efficient blends.
  • Easy cleaning
  • Batch capacities up to 250 cubic feet (Larger sizes based on application)
  • Hoppers are equipped with Gemco\rquote s exclusive Dust-Tite spherical solids valves or economical butterfly valves.
  • Systems are totally packaged and are available with the intelligent controller.
  • The system can be customized with any of Gemco's full range of options including high speed agitators and liquid feed.
  • Full range of external and internal finishes, including pharmaceutical grades.

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Customize It Too Your Operation
Gemco offers a wide variety of options that allow you to customize the porta-hopper to your operation. Consult Gemco's "Optional Equipment" literature for complete details.

Convertible Model Blenders
The Convertible Model Blender has been designed for the customer who does not have an immediate need for internal agitation, but contemplates the need on future material applications.

The Convertible Model Blender is designed having one(1) hollow trunnion machined to accept bearings, seal cartridge assembly, and agitator shaft. Stainless steel end caps are furnished, closing off the machined trunnion internals until needed. A motor base plate is provided on one(1) support frame for future installation of an agitator motor.

When the conversion is required, a complete agitator assembly (Slow-speed, High-speed or liquid feed) is provided with ball bearings,seal cartridge assembly, motor, belts, sheaves and belt guard to suit agitator.


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