Knowledge

The structure of the food freeze-drying machine is mainly composed of five parts: drying chamber, vacuum system, heating system, water vapor condenser (cold trap), and control syst

Edible fungi are rich in nutrients, have high edible value and medical and health care effects, and have now become a common delicacy on people's tables. Some edible and medici

Precautions for use and operation of large-scale freeze-drying machines for production: 1. Precautions during production 1. Ensure that the freeze dryer operates in a stable enviro

The freeze-drying process of the freeze-drying machine mainly includes three stages: pre-drying, sublimation drying, and analytical drying. The pre-freezing stage is the process of

In Japan, vitamins, whole egg powder or egg yolk powder, soybean powder or peanut powder produced through freeze-drying technology are added to new convenience foods to ensure thei

First, let’s learn about vaporization and sublimation. The process of a substance changing from liquid phase to gas phase is called vaporization. For water, if the ambient temperat

Vacuum freeze dryers are widely used in medicine, pharmaceuticals, biotechnology, chemical industry, food and other fields. 1. Medical applications Freeze-drying technology can be

Vacuum freeze dryer is referred to as freeze dryer. Regarding the issue of vacuum degree, the past view was that the higher the vacuum degree, the better. So, is the lower the vacu

What products can be freeze-dried using freeze-drying equipment? It should be understood that the principle of freeze-drying equipment is a drying method that pretreats water-conta

Although the freeze dryer brings many advantages when it is used, maintenance work must be done if this equipment is used for a long time. Otherwise, its working efficiency will be

The freeze dryer is also a widely used product nowadays. It is generally used in factories, so we are not unfamiliar when talking about it. Next, let’s introduce to you the advanta

1. Before using the freeze dryer, place the sample in a low-temperature refrigerator or liquid nitrogen to pre-freeze it into ice. This step must completely freeze the sample into