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Yulaibo Technology (Beijing) Co., Ltd
Molecular Distillation System
NegotiableUpdate on 05/07
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Overview
Molecular distillation system is a precision separation equipment based on molecular motion theory, which relies on the difference in the average free path of molecular motion of different substances to achieve efficient separation of liquid mixtures in high vacuum environment. It is widely used in material purification and separation operations in multiple industrial fields. Compared with traditional distillation technology, this system can complete separation without reaching the boiling point of the material, retain the original characteristics of the material, and is suitable for the treatment of high boiling point, thermosensitive, and easily oxidizable substances. It is an important equipment in the field of fine separation.
Product Details
Introduction to Molecular Distillation System Products
Molecular distillation system is a precision separation equipment based on molecular motion theory, which relies on the difference in the average free path of molecular motion of different substances to achieve efficient separation of liquid mixtures in high vacuum environment. It is widely used in material purification and separation operations in multiple industrial fields. Compared with traditional distillation technology, this system can complete separation without reaching the boiling point of the material, retain the original characteristics of the material, and is suitable for the treatment of high boiling point, thermosensitive, and easily oxidizable substances. It is an important equipment in the field of fine separation.
The core structure of the system is composed of multiple functional units that work together, with clear division of labor and close cooperation between each unit to ensure the stability and efficiency of the separation process. The specific structural details are as follows:
1. Evaporation unit: As the core working area of the system, its main function is to form a uniform liquid film of materials and evaporate them under heat. Its internal design conforms to the flow characteristics of materials, allowing materials to quickly spread on the heating surface, reducing material residence time and avoiding local overheating. This unit is made of materials that are corrosion-resistant and have excellent thermal conductivity, which can adapt to the processing needs of materials with different properties. At the same time, it has good sealing properties to ensure the stability of high vacuum environments.
2. Condensation unit: It is set up in close proximity to the evaporation unit, and its core function is to quickly condense the evaporated gas-phase molecules into liquid form, achieving the collection of light components. The condensation surface adopts efficient thermal conductivity design, which can adjust the condensation temperature according to the characteristics of the material, ensuring that gas-phase molecules can quickly condense, reducing molecular escape, and improving separation efficiency. There is an independent refrigerant channel inside the unit, which can achieve precise temperature control and adapt to the condensation needs of different materials.
3. Vacuum unit: It is the basic guarantee for the normal operation of the molecular distillation system, mainly used to maintain a high vacuum environment inside the system, reduce collisions between molecules, and ensure that molecules can smoothly reach the condensation surface from the evaporation surface. This unit is composed of multi-stage pumping equipment, which can gradually reduce the internal pressure of the system. At the same time, it is equipped with a vacuum monitoring device to provide real-time feedback on the vacuum status, making it easy for operators to adjust in a timely manner and ensuring the stable operation of the system.
4. Material conveying unit: responsible for smoothly and evenly conveying the materials to be processed to the evaporation unit, while conveying the separated light and heavy components to the corresponding collection containers. The conveying process adopts a closed design to avoid oxidation of materials in contact with air. At the same time, the conveying speed can be adjusted according to the separation requirements to ensure the formation of a stable liquid film in the evaporation unit and improve the separation effect.
5. Control unit: undertakes the overall control function of the system, and can achieve precise control of key links such as heating temperature, condensation temperature, vacuum degree, and conveying speed. Equipped with a clear operating interface, operators can set relevant parameters based on material characteristics, and also have abnormal alarm function. When the system experiences pressure or temperature abnormalities, timely reminders are issued to ensure operational safety and separation quality.
The workflow of the molecular distillation system follows the laws of molecular motion and is divided into five consecutive steps. The process is smooth and easy to operate, as follows:
1. Material pretreatment: The liquid mixture to be separated undergoes pretreatment to remove solid impurities and large particle pollutants, avoiding impurities from entering the system and affecting separation efficiency or damaging equipment components. The preprocessing process is simple and convenient, and the appropriate processing method can be selected according to the impurity content of the material to ensure that the material meets the system processing requirements.
2. Establishment of vacuum environment: Start the vacuum unit and gradually reduce the internal pressure of the system until the high vacuum state required for separation is reached. During this process, real-time pressure changes are observed through a vacuum monitoring device to ensure stable pressure within a reasonable range, creating conditions for molecular evaporation and separation.
3. Material transportation and liquid film formation: Through the material transportation unit, the pre treated material is uniformly transported to the evaporation unit. Under the action of gravity or centrifugal force, the material spreads on the heating surface to form a uniform liquid film. The uniform thickness of the liquid film ensures even heating of the material and improves evaporation efficiency.
4. Molecular evaporation and condensation: Start the heating unit to uniformly heat the evaporation surface. After obtaining sufficient energy, the light component molecules in the material escape from the liquid film surface and enter the gas phase state. In a high vacuum environment, gas-phase molecules do not need to collide too much with other molecules and fly directly towards the condensation surface. They quickly condense into liquid form on the condensation surface, forming light component products that flow into the corresponding collection container.
5. Product collection and system cleaning: After separation, the heavy component material flows into the heavy component collection container along the evaporation surface, while the light component product is collected in the corresponding container. After the homework is completed, close all units of the system, clean the inside of the equipment, remove residual materials, avoid cross contamination of different materials, and extend the service life of the equipment.
This system, based on its unique separation principle, has multiple outstanding features and is suitable for separation needs in different fields. The specific characteristics are as follows:
1. Low temperature separation characteristics: It does not require reaching the atmospheric boiling point of the material and can be separated at a lower temperature, effectively avoiding the decomposition and oxidation of thermosensitive materials due to high temperature, retaining the active ingredients and original quality of the material, and suitable for the treatment of various thermosensitive substances.
2. High separation accuracy: Based on the difference in molecular motion free path, separation can be achieved effectively, which can separate components with similar molecular weight and small boiling point difference, remove trace impurities in materials, and obtain high-purity products, meeting the high-quality requirements of fine chemical, pharmaceutical and other fields.
3. Short material residence time: The material flows in the form of a thin liquid film on the evaporation surface, and the heating time is only a few seconds to tens of seconds, further reducing the thermal damage of thermosensitive materials, reducing the probability of material deterioration, and improving the stability of product quality.
4. Environmental protection and safety: The entire separation process is carried out in a sealed high vacuum environment, where the material does not come into contact with air. This not only avoids material oxidation but also prevents harmful solvent vapor leakage, reducing environmental pollution and ensuring the safety of operators.
5. Convenient and stable operation: The control system design is user-friendly, with simple parameter adjustment, and operators can easily operate it after simple training; The system's various units work together stably, with no severe vibration or noise during operation, low maintenance costs, and the ability to achieve continuous production, improving operational efficiency.
TF40Thin film evaporation or MD52 molecular distillation system
| Distillation subject (choose 1 from 2) | TF40 Thin Film Evaporator Body | Zui has a high temperature resistance of 350 ℃, a scraping speed of 100-500rpm, an evaporation area of 0.04 ㎡, an evaporation capacity of 0.1-1.5L/h, a condensation area of 0.2 ㎡, Zui has a large material viscosity of 1000cp, and the contact material material is 3.3 high borosilicate glass&1.4571 (316Ti) stainless steel |
| Main body of MD52 molecular distillation apparatus | Zui has a high temperature resistance of 350 ℃, a scraping speed of 60-500rpm, an evaporation area of 0.052 ㎡, an evaporation capacity of 0.1-2L/h, a condensation area of 0.08 ㎡ (molecular distillation has low vapor pressure, high efficiency, and does not require a large condensation area), Zui has a high material viscosity of 5000cp, and the contact material material is 3.3 high borosilicate glass&1.4571 (316Ti) stainless steel | |
| Evaporator heating module (choose 1 from 4) | ITHERM-B1 circulating water bath | Zui High Temperature 100 ℃, Heating Power 1.5KW, Stability ± 0.05 ℃ |
| DD-BC4 circulating oil bath | Zui high temperature 200 ℃, heating power 2KW, stability ± 0.01 ℃ | |
| MS-BC4 circulating oil bath | Zui High Temperature 300 ℃, Heating Power 2KW, Stability ± 0.01 ℃ | |
| MX-BC4 circulating oil bath | Zui High Temperature 300 ℃, Heating Power 3KW, Stability ± 0.01 ℃ | |
| Condenser cooling module (choose 1 from 2) | CS3 cooling cycle generator | -20 to 100 ℃, cooling power 300W, with heating, flow rate 10L/min |
| FL300 Cooling Recirculator | -20 to 40 ℃, cooling power of 300W, lower noise, flow rate of 15L/min | |
| Vacuum module (choose 1 from 3) | SXD. 4 anti-corrosion diaphragm pump+vacuum gauge+vacuum regulating valve | The system has a low vacuum degree of up to 20mbar, corrosion resistance, and low noise |
| Cold hydrazine module+R-8D rotary vane vacuum pump+vacuum gauge+vacuum regulating valve | The system's lowest vacuum degree can reach 0.05mbar | |
| Cold hydrazine module+R-8D rotary vane vacuum pump+oil diffusion pump+vacuum gauge+vacuum regulating valve | The lowest vacuum degree of the system can reach 0.001mbar | |
| Feeding module (choose 1 from 2) | 500ml feeder, needle valve controls flow rate | The S-shaped circuit structure of the needle valve ensures system vacuum under continuous distillation conditions and allows for real-time addition of materials |
| 1000ml feeding tank+high-precision gear pump+one-way feeding valve continuous feeding kit | - | |
| Discharge module (choose 1 from 2) | Triple splitter+250ml collection bottle 2+4000ml collection bottle 1 | Clear fractions can be collected under two conditions without releasing vacuum |
| High precision gear pump continuous discharge kit for heavy and light components | The discharge speed is continuously adjustable, and the discharge accuracy is 0.1Hz |
Product application areas
| Oils and Foodstuffs >Separate free fatty acids from edible oil and fish oil >Removing insecticides from edible oil and fish oil >Purification of sterols >Concentrated monoglyceride >EPA and DHA in concentrated fish oil esters >Concentrated tocopherol >Concentrated carotene >Removing insecticides from lanolin >Improvement of Lanolin Color | Petrochemical products >Separation of Microcrystalline Wax from Vacuum Residue of Crude Oil >Refined synthetic and petrochemical wax >Coal chemical industry >Cutting of different grades of Fischer Tropsch synthetic wax |
| polymer >Purification and concentration of monomers for polymers >Purification and concentration of polymers >Removing solvents and monomers from polymers | |
| Chemical, agrochemical, and pharmaceutical products >1,4-Butanediol (BDO) refining >Polyethylene glycol (PTMEG) refining >Purification of polyformaldehyde >Purification and refinement of lactic acid >Purification and Distillation of Caprolactam >Concentrate and purify dimeric fatty acids >Removing volatile components from organosilicon and organosilicon resins >Concentrated insecticides, fungicides, herbicides >Concentrate and purify glycerol >Fractionation and removal of low boiling point components from natural wax >Free removal from isocyanate prepolymers (such as HDI, MDI) >Remove solvent >Deodorization and removal of pesticide residues >Improvement of Lanolin Color >Purification of Acrylic Acid and Acrylic Esters >Distillation and refining of pharmaceutical intermediates >Purification of active ingredients in traditional Chinese medicine extracts >Purification of CBD | Essence and spices >Purified tobacco extract >Purification of essential oils for tobacco use >Removing terpenes and concentrating essential oils >Purifying aromatic substances in essence >Concentrated Lemon Flavor >Concentrated pepper and chili extract |
| Recycling and reusing >Recycling and refining waste lubricating oil, brake oil, glycerin, and transformer oil >Recycling and processing of pharmaceutical process mother liquor >Recycling organic intermediates |
