1、 Product Introduction:

The multi manifold freeze dryer is a device that uses vacuum freeze drying technology for material drying. The basic principle is to freeze the water containing substance into a solid state first, and then use the sublimation principle to directly sublime the water from the solid state to the gas state, thereby removing the water and preserving the substance. Freeze dryers are widely used in the fields of medicine, biological products, food, etc., with advantages such as good drying effect, long storage time, and good rehydration ability

2、 Working principle:

Vacuum freeze-drying refers to a technology that uses the sublimation principle for drying, in which the dried material is rapidly frozen at low temperatures, and then in a suitable vacuum environment, the frozen water molecules are directly sublimated into steam and released. This process will not be concentrated due to dehydration, and the dried material will be in the form of a dry sponge with multiple pores, with a basically unchanged volume. It is easy to dissolve water and recover, which greatly prevents the physical, chemical, and biological deformation of the dried material.

3、 Application scope:

1. Pharmaceutical industry: Freeze dryers are widely used in the pharmaceutical industry, mainly for the production and preservation of drugs, biological products, medical devices, etc. Through freeze-drying technology, moisture can be removed, shelf life can be extended, efficacy and activity of biological products can be ensured, and transportation and storage can be facilitated.

2. Food industry: In the food industry, freeze-drying machines are used for the processing and preservation of fruits, vegetables, meat, aquatic products, seasonings, and other foods. Freeze drying technology can preserve the original color, aroma, and nutritional components of food, extend shelf life, and facilitate portability and storage.

3. Chemical industry: Freeze dryers are used in the chemical industry for the production and preservation of catalysts, chemical raw materials, pigments, and other products. By removing moisture and volatile components, the quality and purity of the product are ensured.

4. In the field of agriculture, freeze-drying technology is used for the preservation and germination of plant seeds, removing water to extend storage time and ensure seed germination rate.

5. Other fields: Freeze drying technology is also applied in environmental protection, energy, scientific research and other fields. For example, processing waste such as sludge and wastewater, preparing fuel, conducting material research and preparation.

4、 Features of the multi manifold freeze-drying machine with pressure cover:

1. Condensation system

(1) Closed type compressor, fast refrigeration, higher efficiency; New environmentally friendly refrigerant, environmentally friendly and in line with national environmental protection requirements;

(2) The water capture capacity of the cold trap is ≥ 3KG, the working temperature is ≤ -60 ℃, the inner wall temperature is uniform, and the professional gas flow design can both freeze dry and capture water, protecting the vacuum pump.

(3) The cold trap adopts an external coil, with smooth and unobstructed interior, and has sample pre freezing function, without the need for ultra-low temperature refrigerators or liquid nitrogen processing freezing equipment.

(4) The cold trap is made of 304 stainless steel material, which is corrosion-resistant and has a smooth surface that is more conducive to defrosting.

2. Vacuum system

(1) High sealed vacuum chamber, with a vacuum degree of ≤ 10pa;

(2) Equipped with a vacuum micro adjustment ball valve, it can achieve manual micro adjustment of vacuum degree;

(3) The customized version is a true control generator suitable for freeze-drying machines, with a pumping speed of 2 liters per second to quickly ensure the vacuum degree of the chamber.

(4) Pirani vacuum measuring gauge is more prepared to measure the pressure inside the chamber, ensuring accurate and effective vacuum values.

(5) Equipped with KF25 quick connect clamps, tightly connect the vacuum pump and chamber.

(6) Optional vacuum pump oil mist filter to ensure laboratory environment and reduce oil mist pollution.

3. Drying room system

(1) The freeze-drying area is the largest at 0.19m ² (ordinary type), and the material tray size is 200mm. Support the expansion of multi manifold freeze-drying bottles and eggplant shaped bottles to further increase the freeze-drying area. (Equipped with a multi manifold bell jar)

(2) The clock cover is made of highly transparent material, which is corrosion-resistant and not fragile, making it easy to observe the freeze-drying process of the sample.

(3) The drying rack supports capping function and can freeze dry samples stored in containers such as penicillin bottles that require capping (capping type).

(4) The number of partition layers can be adjusted, and the number of layers can be appropriately increased or decreased according to the sample quantity.

(5) The partition has a heating function to further analyze the bound moisture of the sample (heating type).

(6) Equipped with temperature sensors, prepare to reflect the temperature of various parts of the drying chamber

4. Control system

(1) Adopting a 7-inch true color LCD touch screen, the image is clear. Humanized interactive interface, easier to operate

(2) It can clearly display various temperatures, vacuum degrees, and operating times, and grasp the freeze-drying process of the sample.

(3) Automatic data saving, real-time viewing, and historical reproduction. Data can be transmitted through USB for further analysis.

(4) The built-in compressor equipment and vacuum pump have an automatic reminder function for lubrication and maintenance time, which can actively remind users to perform corresponding maintenance on the vacuum pump and compressor;

(5) Password protection mechanism facilitates device permission management and prevents non professionals from making mistakes.

(6) Multiple sample protection mechanisms, such as prohibiting the vacuum pump from starting when the cold trap temperature is too high, to avoid sample boiling and damage.