Freeze Dryer Home Unit
(a)10 series
Lab Scales Desktop(Freeze-dried material 1.5-2KG)
(b)12 series
Lab Scales Vertical(Freeze-dried material 2KG)
(c)18 series
Scientific Research Scales(Freeze-dried material 3KG)
2.Pilot Freeze Dryer:
0.2m²/0.3m²/0.5m²/1m²/2m²/---Pilot Scales(Freeze-dried material 3KG-20KG)
3.Industrial Freeze Dryer:
5㎡/10㎡/20㎡/30㎡/50㎡/100㎡/200㎡/300㎡(Freeze-dried Weight 5T~60T)
4.Customization: set up the specifications you need
(a)Freeze-dried Area
(b)Freeze-dried Weight
(c)Freeze-dried Material
(d)Interlayer Quantity/Size
(e)Cold Trap Temperature
Description
Technical Parameters
A freeze dryer home unit,is a device designed for domestic use to dehydrate and preserve foods using a process called lyophilization or freeze-drying.This process involves freezing the food,reducing the pressure in a chamber to allow the ice to sublime (transform directly from solid to vapor without becoming liquid),and then capturing the water vapor.
This equipment operates on the basis of a low-temperature drying process. First of all, the substances to be processed are placed in the freezer, and the temperature and humidity are controlled to make them freeze quickly. Subsequently, in a vacuum environment, frozen water is directly transformed from a solid to a gas through a heating process, bypassing the liquid stage. This process is called sublimation.
The price of this device varies depending on factors such as brand, model and function. Generally speaking, the prices range from several thousand to several hundred thousand yuan. Consumers can make choices based on their own needs and budgets when purchasing. Meanwhile, there are many brands and manufacturers in the market offering household types. Consumers can refer to the products of these brands and manufacturers when making purchases.
We provide freeze dryer home unit,please refer to the following website for detailed specifications and product information.
Product: https://www.achievechem.com/freeze-dryer/laboratory-freeze-dryer.html
Product Parameter
10 Series
12 Series
Purchase Guide
◆ Capacity:Choose a unit with the capacity to handle the volume of food you want to dry.
◆ Ease of Use:Look for models with intuitive controls and displays that make operation simple.
◆ Energy Efficiency:Consider the energy consumption and efficiency of the unit.
◆ Quality:Choose a brand and model with a good reputation and reliable customer service.
◆ Accessories:Some units come with additional accessories,such as trays,bags,and vacuum pumps,which can enhance the drying process.
Cases
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► Food industry application cases
Lyophilized surface
1) Process:Fresh noodles,soups and vegetables are frozen by freeze-drying machine and dehydrated and dried in a vacuum environment of minus 30℃.
2) Advantages:There is no frying process,the nutritional content is basically equal to that of fresh food,and the shelf life is long.
◆ Freeze dried avocados
1) Technology:Vacuum freeze-drying technology of food freeze-drying machine.
2) Process:After peeling and pitting the avocado,put it in a freeze-drying machine,and then freeze,vacuum and dry it to make dried avocado slices.
3) The effect:Extend the shelf life of avocados and retain their nutritional content and unique flavor.
◆ Freeze-dried jackfruit
1) Technology:Use freeze-drying machine for freeze-drying processing.
2) Effect:Retain the taste and nutrients of fresh jackfruit,easy to carry and store.
◆ Freeze-dried parsley
1) Application:Widely used in food processing.
2) Process:Use vegetable freeze-drying machine to freeze-dry parsley.
3) Advantages:long-term preservation,retain its nutritional composition and color.
◆ Freeze-dried chocolate
1) Technology:The chocolate is frozen at a low temperature in a food freeze-drying machine,and then dried in a vacuum to remove water.
2) The effect:The chocolate becomes crispy,retains its original taste,extends its shelf life,and is easier to store and transport.
► Laboratory application cases
◆ Sample preparation:In the fields of molecular biology,microbiology and nutrition,researchers use freeze-drying machines to prepare biomolecules such as DNA,RNA and proteins into powders for long-term preservation and use.
◆ Drug production:Freeze-drying machines are widely used in the drug manufacturing industry to remove water from the drug solution and prepare a stable dry powder that can be stored for a long time and can be restored to its original state by simple redissolution.
Nanomaterial preparation:In the preparation of nanomaterial,such as iron oxide nanoparticles,the researchers freeze the iron salt solution and dry it by vacuum to produce iron oxide clusters with nanometer scale.
► Technology development trend
◆ Multi-functional integration:The future freeze-drying machine may integrate a variety of functions in a single device to achieve a multi-purpose machine,improve equipment utilization,and reduce investment costs.
◆ Personalized customization:According to the specific needs of different industries and users,customized freeze-drying machines with specific functions and performance.
Intelligence and automation:Through artificial intelligence and Internet of Things technology,remote monitoring,fault diagnosis,automatic adjustment and other functions can be achieved to improve production efficiency and equipment reliability.
◆ Energy saving and environmental protection:By optimizing equipment structure,improving energy utilization efficiency,using environmentally friendly refrigerants and other measures to reduce the energy consumption and environmental pollution of the freeze-drying machine.
Freeze-dried medicine VS ordinary medicine
Production technology
◆ Freeze-dried medicinal materials:The use of freeze-drying technology,that is,the medicinal materials are frozen at low temperatures,and then the water is sublimed directly from the solid state to the gas state through decompression technology,so as to remove the water in the medicinal materials.
◆ Common medicinal materials:Traditional drying methods such as sun drying and drying are often used,and the moisture in medicinal materials is removed by natural or artificial heating.
Texture and water content of the drug
◆ Freeze-dried medicinal materials:The texture is brittle and the water content is extremely low,usually only about 5%,which makes its weight lighter and easy to crush and preserve.
◆ Common medicinal materials:Dry and hard texture,relatively high water content,difficult to crush,and not easy to store for a long time.
Composition and efficacy
◆ Freeze-dried medicinal materials:Because freeze-dried technology can quickly dry medicinal materials at a lower temperature and reduce the influence of heat on medicinal materials,it can effectively retain the active ingredients and therapeutic effects of medicinal materials.For example,the total saponin content of freeze-dried Panax Notoginseng is usually higher than that of ordinary Panax notoginseng,which makes it potentially more potent.
◆ Common medicinal materials:Traditional drying methods may lead to the loss of some active ingredients in medicinal materials due to high temperature,light and other factors,thereby reducing their medicinal value.
Degree of cleanliness
◆ Freeze-dried medicinal materials:After digging,they are manually cleaned before the soil is dry,so they contain less impurities and are cleaner.
◆ Common medicinal materials:May contain more impurities and dust due to the constraints of the drying process.
Preservation and transportation
◆ Freeze-dried medicinal materials:Light weight,dry,low water content,can be stored for a long time at room temperature,not easy to mold and moth, convenient storage and transportation.
◆ Common medicinal materials:May cause mildew due to improper storage,the storage period is relatively short,and it is also susceptible to moisture and deterioration during transportation.
Equipment status monitoring
Monitoring purpose
The purpose of freeze dryer home unit status monitoring is to detect device faults or anomalies in time, prevent potential problems, ensure the safe and stable operation of the device, and improve the maintenance efficiency and service life of the device.
Monitoring content
Monitor the temperature distribution inside the device to ensure that the temperature is within the set range to prevent damage to the device from overheating or undercooling.
Pay special attention to the temperature changes of key components such as condensers and evaporators, and whether the product temperature is uniform.
Monitor pressure changes inside the equipment to ensure that the vacuum is at the required level to maintain an efficient sublimation drying process.
Periodically check the performance of the vacuum pump to ensure that its pumping capacity is normal.
Monitor the humidity level inside the device with a humidity sensor to evaluate the moisture removal effect.
Check whether water remains or leaks in the drying room.
Monitor the voltage, current and other parameters of the electrical system to ensure that the equipment is operating in a safe electrical environment.
Check electrical connections, switches, fuses and other components regularly to ensure that they are intact.
Use hearing and touch to determine if the device is producing abnormal sounds or vibrations.
Check the fasteners and transmission parts of the equipment regularly to ensure that they are firm and not loose.
Monitoring methods
Real-time data acquisition
The sensor and data acquisition system are used to collect the temperature, pressure and humidity of the equipment in real time.
Upload the data to the cloud platform or monitoring center for remote monitoring and analysis.
Regular inspection
Make inspection plan and carry out on-site inspection of equipment regularly.
Record the device running status, exceptions, and handling measures.
Fault warning and alarm
This section describes how to set a fault warning rule. When device parameters exceed the specified range, an alarm signal is automatically triggered.
Notify related personnel by SMS or email for timely troubleshooting.
Monitoring precautions
Ensure monitoring accuracy
Periodically calibrate sensors and data acquisition systems to ensure their accuracy.
Select the appropriate monitoring location and monitoring frequency to obtain comprehensive equipment status information.
Handling exceptions in a timely manner
If a device parameter is abnormal or a fault alarm is generated, you need to take measures immediately.
Prevent the device from being in an abnormal state for a long time, which may cause damage to the device or affect the product quality.
Strengthen training and communication
This section describes how to train operators on device status monitoring to improve their monitoring capabilities and troubleshooting capabilities.
Strengthen communication with equipment suppliers and technical support personnel, and timely solve the problems encountered in the monitoring process.
Equipment safety taboos
There are many taboos in terms of equipment safety for freeze dryer home units, involving key links such as installation environment, electrical safety, operation procedures and maintenance. The following points must be strictly followed to avoid equipment failure or safety accidents:
Installation environment taboos
Avoid harsh environments
It is prohibited to place the equipment in areas exposed to direct sunlight, rain, wind, or where the relative humidity exceeds 85%, as well as in environments with a lot of dust, corrosive or flammable gases.
Do not place the equipment in areas with vibration or where there is a risk of freezing condensate water, such as near radiators, stoves or machinery that is prone to vibration.
If it must be used in an environment with corrosive gases, a dryer with copper tubes treated for rust prevention or a stainless steel heat exchanger type dryer should be selected.
Keep the ventilation good
Do not place the equipment in poorly ventilated areas, such as close to the wall or blocked by debris. It should be ensured that there is sufficient space around the equipment for maintenance and operation, and good ventilation should be maintained.
Electrical safety taboos
Power supply stability
Do not use the equipment when the power supply voltage fluctuates by more than ±10% to avoid damaging the circuit components.
Appropriate capacity leakage circuit breakers must be set up, and it is necessary to ensure that the equipment is well grounded before use.
Avoid frequent starts and stops
Frequent starting and closing of the refrigerated dryer is prohibited to avoid burning out the compressor motor. There should be at least a 10-minute interval between each startup. Wait until the equipment is stable before connecting the compressed air.
Taboos in the operation process
Do not connect the wrong pipes
The inlet of the compressed air should not be connected incorrectly. To facilitate maintenance, a bypass pipeline should be set up and the vibration of the air compressor should be prevented from being transmitted to the dryer. Do not apply the weight of the piping directly to the dryer.
Drainage is prohibited
Do not stand the drainage pipe upright. Do not fold or flatten it to avoid affecting the drainage effect. If an electronic automatic drain is not selected, it is necessary to manually clear the drain regularly to prevent water accumulation in the system.
Overload operation is prohibited
Try to avoid the refrigerated dryer running for a long time without load, and also do not use it beyond the rated air processing capacity to prevent the equipment from overheating or being damaged.
Maintenance and care taboos
The refrigerant pressure must not be ignored
When the refrigerant pressure is abnormal (such as a value of zero), it may indicate refrigerant leakage. Maintenance personnel should be contacted as soon as possible for handling. Continue operation is strictly prohibited.
Incorrect operation and shutdown are prohibited
When the machine is shut down, the air compressor should be turned off first, then the refrigerated dryer, and the manual drain valve should be opened to drain all the remaining condensate water. It is strictly forbidden to directly cut off the power supply or operate in sequence.
The use of inferior accessories is prohibited
The use of non-specified vacuum pump oil or inferior consumables is prohibited. The pump oil should be replaced regularly. It should be replaced in time when the cumulative working time reaches 200 hours or the color of the vacuum pump oil turns brown.
Other safety taboos
Do not touch the low-temperature components with bare hands
The temperature of the cold trap can reach minus 65 degrees. When operating, be sure to wear insulated gloves. Do not touch the cold trap or the freshly taken freeze-dried food with your bare hands to avoid frostbite.
Children or pets are prohibited from approaching
Children or pets are strictly prohibited from approaching the equipment during operation to prevent burns, accidental ingestion of food that has not been fully thawed, and other accidents.
It is prohibited to ignore abnormal alarms
When the equipment emits a beeping sound or displays a fault code, it is prohibited to continue operating. The machine should be stopped immediately and the manual should be consulted or after-sales service should be contacted.
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