Drying Equipment


What is Drying Equipment?

The drying equipment is used to carry out a drying operation, and the moisture (generally known as moisture or other volatile liquid component) in the material is vaporized and escaped by heating to obtain a solid material having a prescribed moisture content. The purpose of drying is for material use or further processing.

Types of Drying Equipment

There are several types of drying equipment, as follows:

  1. Vacuum Dryers: A vacuum dryer operates under a vacuum, and heat transfer is largely by conduction or by radiation.
  2. Freeze Dryers: A freeze dryer is a kind of device designed and developed based on the freeze drying technology. It can be used to carry out the dehydration process in order to preserve perishable material or make the material more convenient for transport. It is mainly composed of the cooling system, vacuum system, heating system and dehumidification system.
  3. Tray Dryers: Most tray dryers are heated by air, which also removes the moist vapours.
  4. Belt Dryers: A belt dryers is generally suitable for drying large amounts of biomass widely used in industrial and farm environments, which is highly efficient.
  5. Spray Dryers: A spray dryer can complete drying and granulation simultaneously. According to its technological requirements, the pressure, flow and the size of the nozzle of the feed pump can be regulated to obtain the required spherical particles according to a certain size proportion. In terms of methods of liquid spraying, there are mainly three types of spray dryers, including centrifugal-type spray dryers, nozzle-type spray dryers, and pneumatic-type spray dryers. It is especially suitable for heat-sensitive materials.

Drying Equipment for Sale



Introduction to Drying Equipment

Firstly, the vacuum drying can remove moisture at a lower temperature and oxygen content, which makes it suitable for heat-sensitive as well as oxygen-sensitive materials.

Secondly, the vacuum drying can improve the evaporation rate because of the reduced boiling point of water.

Thirdly, it’s much safer to do drying in the vacuum place, because it’s impossible for oxide to explode when it’s heated under vacuum or inert condition.

What’s more, the vacuum drying can save the drying time and obtain a higher quality dried product. 

Advantages of Vacuum Drying Oven

As one of the types of necessary drying equipment, the freeze dryer can be widely used in biological, chemical and pharmaceutical fields. It is usually used to dry heat sensitive materials that are thermally unstable and easy to oxidize and deteriorate, as well as the materials that are unstable in aqueous solutions and need to maintain biological activity. It can get rid of more than 95-99% moisture. Some easily oxidized materials can be prevented from oxidizing and can be preserved for a long time owing to the vacuum working condition.

Advantages of Freeze Dryer

Properly drying hemp plays an important role in extracting CBD oil from the hemp plant, which can maximize the biomass or flower quality. The traditional hemp drying is manual drying. With the rapid development of hemp industry, modern hemp drying machine has come into the stage. There are two main types of modern hemp drying machines, which are continuous dryers and batch dryers. A belt dryer is one of types of continuous dryers. It is suitable for drying large amounts of biomass widely used in industrial and farm environments, which is highly efficient.

Advantages of Belt Dryer

Applications of Drying Equipment

The drying equipment is widely used in several fields, such as the drying of the wood before the production of the wooden mold that can prevent the deformation of the product, and the drying of the ceramic blank before calcining the two drying equipment that can prevent the product from cracking. Besides these applications, drying equipment is also widely used in other fields, for example:

  1. Drying equipment in food industry. People also use drying equipment in food field, including nut drying equipment, onion drying equipment, okra drying equipment, vegetable drying equipment, hops drying equipment, bagasse drying equipment, grain drying equipment, air drying ham equipment, weed drying equipment, yeast drying equipment , tobacco drying equipment and so on.
  2. Drying equipment in construction field. Drying equipment is used in construction field very often, for example, wood drying equipment, wall drying equipment, kiln drying equipment, building drying equipment, sludge drying bed equipment, air drying equipment and so on.
  3. Drying equipment in chemical field. People often use drying equipment in chemical labs, for example, drying equipment used for thermolabile substances, biogas drying equipment, hemp drying equipment and so on.
Advantages of Drying Equipment

The dried material is also convenient to transport and store, such as drying the harvested food below a certain moisture content to prevent mildew. Since natural drying is far from meeting the needs of production development, various mechanized dryers are becoming more and more widely used.

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