Steam Tube Bundle Dryers (Recuperative)

The dryer is conduction type dryer & comprises of rotating Tube Bundle housed in a stationary housing. Steam is admitted into the tubes through Rotary joint from one end of the Tube Bundle and the condensate is collected out from the Tube Bundle through Rotary joint and suitable siphon arrangement from other end of the Tube Bundle. The Tube Bundle is provided with suitable flights mounted in the spiral fashion on the periphery for effective showering of the material on to the tubes for effective heat transfer & drying of the material. On the discharge port of the dryer, a suitable manually adjustable weir is provided to adjust the material residence time in the dryer. Dried material is discharged through outlet discharge port. Ambient air is sucked from the openings provided on the housing and the vapours with fines are exhausted by means of Exhaust fan. Fines, if any, getting carried over are partially separated in a Cyclone Separator (may or may not be recycled to wet feed) and remaining are further separated in Bag house or treated in Scrubber depending on the size, and environmental emission requirements.

flash-dryer
flash-dryer
flash-dryer
flash-dryer

Features of RAYGM Steam Tube Bundle Dryers

  1. Very Low air or no air requirement.
  2. Low Foot print
  3. Low Steam Consumption
  4. High Output
  5. High drying elasticity.

Benefits of RAYGM Steam Tube Bundle Dryers

  • Operation can be controlled by the temperature of the heating media and the filling rate in response to changes in the throughput and variation of the moisture content in the raw material.
  • Complete airless drying can be achieved.
  • The solvent is recovered easily and inert gas emissions are lower as the special gas-sealing mechanism seals prevents both inert gas from leaking and air from flowing into the dryer.
  • Consistent Drying rates and Product Quality
  • Complete heat recovery through using the vapours generated in integrated Evaporator.

RAYGM Steam Tube Bundle Dryer Design Range and Manufacturing Capacity

Design
  • Custom Designed to Customer Satisfaction
  • Pressure Shock resistance Equipment designs
  • Optimum Drying Cost with best achievable Product Quality.

Feeding Arrangement
  • Single Screw Conveyor.
  • Double Screw Conveyor.
  • Chain Conveyors
  • Belt Feeders
  • Feed Bins with Lump Breaker and Heating arrangements

Maximum Temperature

  • Maximum Temperature 180oC

Application
  • Food, Pharma, Chemical, Minerals, Dyestuff, Agrochemicals, Pigment, Polymer, Acrylics etc.

Area
  • 5 Square meters to 600 Square meters

Material
  • Stainless Steel 304, Stainless Steel 316, Duplex Steel 32205, Super Duplex Steel 32507, etc.

Heating Methods

  • Using Steam / Hot Water / Thermic Fluid, Oil

Product Recovery
  • Cyclone Separators - Mono, Twin, Quadruple, Multi etc.
  • Bag Filters – Reverse Pulse Jet

Emission Control
  • Bag Filters – Reverse Pulse Jet
  • Wet Scrubbers - Direct Contact Ventury, Adjustable Ventury, Packed scrubbers etc.

Automation & Controls
  • MCC / ICP
  • PLC SCADA
  • DCS

Option Features Depending on Product Properties.

  • cGMP construction
  • Product Conveying and Cooling Systems
  • Back-mixing of Product for Faster and Uniform Drying.
  • Recovery of Steam produced in Drying and Can be fed to area of application like Thermal Evaporator.

Partial Product Applications of RAYGM Steam Tube Bundle Dryers

The wide spectrum of applications requires adaptation to special requirements. We achieve this by varying the spacing and diameter of the tubes, shovel arrangements, and filling levels inside the tube bundle housing.
Soya Beans, Rapeseeds, Olives, Sunflower Seeds, Corn Fibre (mixed with CSL), Corn Gluten, Corn Germ, DDGS drying in Ethanol line, Wheat Fibre, Food Products, Broken bean, Soybean cake, Orange Pill, Apple Pomace, Yeast, Spent Grains, Terephthalic acid, Polyacetal, Polycarbonate, Coking coal, Sludge, Copper ore, Iron ore, Gypsum, Ash, Soda-ash,