What is superheated steam drying?
Superheated steam drying (SSD) is an innovative drying technology, utilizing heated steam beyond its boiling point as a drying medium in a dryer to remove excess water from the material.
What is the working principle of fluidized bed dryer?
Fluid bed dryers work on the principle of fluidization, a process where a material is converted from a static solid-like state to a dynamic fluid-like state. In this process, hot gas or air is introduced through a perforated distribution plate into the area holding the material.
Does steaming dry food?
Myth #4: Steaming changes the texture of food. During cooking, the steaming process does not dry out the food, so the outside layer will not crisp or brown. Steamed foods will retain their original appearance but have a moist texture.
How does a fluidized bed work?
Typically, pressurized gas or liquid enters the fluidised bed vessel through numerous holes via a plate known as a distributor plate, located at the bottom of the fluidised bed. The fluid flows upward through the bed, causing the solid particles to be suspended.
How do you know if steam is superheated?
If the saturated steam produced in a boiler is exposed to a surface with a higher temperature, its temperature will increase above the evaporating temperature. The steam is then described as superheated by the number of temperature degrees through which it has been heated above saturation temperature.
How can you tell if vapor is superheated?
IF v = vg THEN the fluid is saturated vapor and the values of pressure, internal energy ug, enthalpy hg and entropy sg are read directly from the row corresponding to the known Temperature T. IF v > vg THEN the fluid is superheated vapor.
What are the two methods of steaming?
For high volume kitchens, a commercial steamer or combi oven is the most efficient. Other methods of steaming include using a pot and steamer basket, using a microwave, or wrapping foods in foil so they can steam in the oven. Best foods for steaming: Vegetables: Most vegetables can be steamed with great results.