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Case Study

Vortex Gravity Vee Diverting Grains Used In Rice Crisp and Rice Cake Production

Gravity Vee Diverter handling Rice.

How Rice Crisps/Cakes are made:

The manufacturing process of rice crisps/cakes, is a meticulous sequence of steps that ensures the crispiness and flavor of the final product. This process revolves around the core principles of dry bulk handling - precision, quality control, and customization. Rice crisps and cakes are popular snacks that start from humble grains of rice. The manufacturing process is quite fascinating. It begins with raw rice, which is first cleaned to remove any impurities. Then, the rice is soaked in water to soften it and prepare it for cooking. After soaking, the rice is cooked until it reaches a specific moisture content. The cooked rice is then cooled and milled into fine particles. This rice flour is mixed with a small amount of water to form a dough. The dough is then shaped into thin sheets or individual pieces depending on whether it's being made into crisps or cakes. These are then baked or fried until they puff up and become crispy. The final product is then seasoned or flavored as desired. This versatile grain, through this elaborate process, is transformed into a light and crunchy snack enjoyed globally.

Vortex Equipment Assisting with Production:

The equipment pictured below is the Vortex Gravity Vee Diverter. Its distinctive "dual gate" design, equipped with independent controls, enables a versatile material flow. This innovation allows for the simultaneous diversion of material through both outlet chutes, individual chute control, or even a complete shut-off when necessary. The diverter's mechanically actuated sliding blades promise uncompromising positive material shut-off and prevent seal packing, ensuring operational longevity. Its hard polymer bonnet seals and side seals outperform alternative sealing materials, providing superior wear resistance and an extended service life. For precision and repeatability in batchweights during the manufacturing process, the Gravity Vee Diverter can be outfitted with Vortex material flow control assemblies. This model includes an Adjustable Variable Postion (AVP) air control setup which allows for 2 or more positions that are controlled via the magnetic reed switch feedback. In this case the Gravity Vee is setup for 3 positions. The Gravity Vee also includes a manual Cylinder Variable Position Open (CVPO) modification to each of the cylinders. Each threaded rod sticking out of the cylinder can be adjusted to create a manual preferred stop point to limit the amount the blade is able to open.

Vortex Model No. VA10V1-2SSR-45-NR-CVPO-M

  • 10" Gravity Vee Diverter Valve.  
  • Valve bodies are 6061-T6 aluminum with 304 stainless steel blades.
  • Material contact is 304 stainless steel and polymer.  
  • Round inlet and outlet transitions are constructed of 304 stainless steel.
  • Valve body is modified to accept proximity switches (plugged if indication switches are not utilized).
  • Oversized double acting air cylinder actuator equipped with a magno-piston for use with magnetic reed position indication switches.
  • Outlet flanges are offset at 45˚ from horizontal.
  • Valve is rated for 180˚F(82˚C) maximum continuous service.  
  • PET side seals and upper and lower bonnet seals are live loaded and silicone rubber backed.  
  • Valve also includes cam-adjustable slide rollers and PET roller spacers.
  • End seal and bonnet blade guides are UHMW-PE.
  • Inlet and outlet transition have a drilled flat flange for bolt through connection.
  • (NR) - Standard outlet transitions
  • (-CVPO-M) Air Cylinder is equipped with adjustable threaded rod in end of air cylinder to limit opening stroke.
Cylinder Variable Position Open (CVPO)

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