6kg/24h Lab Lyophilizer, Freeze Dryer

Product Description

Principle and Application
Freeze drying is a technique that utilizes the principle of sublimation for drying. It makes the dried substance frozen rapidly at low temperatures and then sublimating the frozen water molecules directly into water vapor under suitable vacuum conditions.The substance is always at a low temperature (frozen state) before drying, and ice crystals are evenly distributed in the substance. During the sublimation process, concentration will not occur due to dehydration, and side effects such as foam and oxidation caused by water vapor are avoided. The dry substance is in the form of a dry sponge with multiple pores,and its volume remains basically unchanged. It is highly solublein water and returns toits original state. To prevent the physical, chemical, and biological denaturation of dry substances to the greatest extent possible. For preserving the characteristics of the original substances (e.g. pharmaceutical products or coffee) For preserving the original form (e.g. animal preparations, archaeological objects, flowers or books) For conditioning the material (e.g. freeze-dried fruit in yoghurt) For the sample preparation for chemical or biochemical analysis (e.g. invetigation of trace elements in foods, sludge or soil) Feature:
Control System
5.4'' LCD Touch Screen Display The Display can simultaneously display: all main parameters such as cold trap temperature, vacuum degree, sample temperature, and shelf temperature. Schematic diagram of equipment operating components, through graphic display to view the working status of each component of the equipment. It has the functions of cold trap precooling and vacuum pump preheating, and the time can be set by the user in the system. Display whether the current running status is normal or not by numerical color. Built-in saturated vapor pressure & temperature corresponding relationship table, clearly displaying the corresponding relationship. One-key operation, the operation is extremely simple, no special professional learning and training is required. Thermal electromagnetic over-current and short-circuit protection, making the equipment run more safely and stably. Active reminder of equipment maintenance time and vacuum pump replacement lubricating oil time. Ambient temperature monitoring, the device automatically reminds the alarm if the ambient temperature is too high. Optinal eutectic point detection device and endpoint judgement detection system make freeze-drying more scientific.
Drying Chamber The separate drying chamber reduces the probability of damage caused by improper handling of the drying chamber due to height and wieght. The upper cover is anodized aluminum with ati-corrosion treatment. Highly transparenet plexiglass drying chamber, good light and heat radiation conduction. Reserve 6/12 external valves. 316L stainless steel all black Teflon coating drying chamber, suitable for drying organic solvents and various corrosive samples, reserved for 6/12 external ports. 316L stainless steel vertical multi-port multi-monifold external rack. (The standard configuration is a plexiglass drying chamber, and one of the drying chambers can be optional)
Cold trap and conensing coil The cold trap cavity and condensation of coil are made of 316L stainless steel. Large opening and channel design, the gas can be quickly captured through the condensing coil. The cavity and condensing coil are equipped wit Teflon anti-corrosion coating asstandard, which can trap organic solvents, and carious corrosive solvents. The condensing coil is placed in the cold trap to increase the condensate catchment area, which can effectively prevent external condensation.
Sample Shelves 316L stainless steel stackable sample shelves, capable of lyophilizing machine solvents and various corrosive solvents. Each shelf can be placed and taken freely without manual work. The distance and height of each shelf can be adjusted freely. All black coating, good heat absorption performance. Special hole for freeze-drying of centrifuge tubes, which is conducive to the drying of samples in centrifuge tube containers. All-aluminum Teflon surface anti-corrosion treatment electric heating shelf.
Refrigeration System Danffos compressor Copper plate heat exchanger, the largest area to increase heat dissipation. Unique refrigeration technology, the temperature of the cold trap can be lowered from ambient temperature to below -80°C within 2 minutes. Class A temperature sensor with high temperature accuracy and low error. Multiple detection and alarm system, the refrigeration system pressure is too high or refrigeration failure can timely alarm and take corresponding measures. Technical Specification:

Item No.	YBD1-3	YBD1-6	YBD2-6
Water capture capacity	3kg/24H	6kg/24H	6kg/24H
Cold trap temperature	-70°C	-70°C	-90°C
Cold trap volume	5L	10L	10L
Freeze dried chamber	High permeability organic glass/multi-manifold external valve/stainless steel chamber
Sample shelf	Φ200mm stainless steel with 3~5 layers available	Stainless steel Φ260mm/485mm. 3-10 layers/optional Electric heating/manual capping/optional
Vacuum pump	Extreme vacuum 4*10~4mbar, with a pumping capacity of 78~200L/optional pump of various types
Oil mist filter	Standard configuration
Vacuum pump connection pipe	Single forming stainless steel flexible pipe DN16ISO-KF L-1.2m
Anti-corrosive treatment	Cold trap, condensing coil/all equipped with PTFE anti-corrosion treatment as standard. Freeze-drying organic solvents
External valve	6 pieces/optional	1~48 pieces/optional
Eutectic point detection system	Support/Optional
Data output analysis	Support/Optional
Power	0.6kw	1.1kw	0.5kw
Dimension	390x468x448mm	480x498x487mm

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