Tubular Centrifuge

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What Is Tubular Centrifuge

The tubular centrifuge is a kind of centrifuges that is designed to separate fluids based on their density. The centrifuge works by spinning a sample at high speeds, which causes heavier particles to move towards the outside of the tube and lighter particles to move towards the center. This creates a separation of the two fluids. The tubular design of the centrifuge allows for precise control over the separation of fluids. It is commonly used in pharmaceutical, biotech, and chemical industries for processing, purification, and clarifying of various fluids. The device is particularly useful for handling small volumes of sample and provides a quick and efficient separation of complex mixtures.

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Centrifugal Device For Blood Separation

The GQ high - speed tubular centrifuge serves as a separation device applied in sectors such as educational institutions, laboratories, and research centers. This equipment features a straightforward

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Tubular Bowl Centrifuge

The oil separator is used for the grease which contains, water and sludge, such as waste fuel, diesel oil, lube oil, and transformer oil. Meanwhile it also can be used for biological oil and

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Blood Separation Centrifuge

GQ high-speed Tubular Centrifuge is a kind of separator used in schools, laboratories, research institutes and other industries. The machine has simple structure, reliable operation, high separation

Benefits of Tubular Centrifuge

01/

High Efficiency
Even in complicated mixtures, the components can be quickly and efficiently separated using their large sedimentation area and high rotational speed.

02/

Compact Design
The machine's small footprint makes it easy to incorporate into preexisting process lines and conserves precious floor space in manufacturing facilities.

03/

Saving Energy
Because of their low initial investment and high potential for future use, numerous sectors highly prized them. You can save money on consumables by washing and reusing the tubular bowl centrifuge tubes.

04/

Ongoing Function
It runs continuously, unlike batch centrifuges, which means more throughput and better product quality every time.

05/

Ease of Maintenance
The machines are easy to operate and maintain because of their simple design with few moving parts. They cut down on operational expenses and downtime thanks to their long service life and low maintenance requirements.

06/

Low Cost
Many industries find them worthwhile investments due to their cost-effectiveness and repeatability. The consumables cost can be reduced because the tubular bowl centrifuge tubes can be easily cleaned and reused.

Types of Tubular Centrifuge

GQ 2-phase tubular centrifuge

GQ series is mainly used for 2-phase separation. A 2-phase tubular bowl centrifuge is a device that can separate a mixture of two different phases: liquid phase and solids phase.The working principle of a 2-phase tubular bowl centrifuge is based on the difference in specific gravity and centrifugal force of the two phases. The suspension is fed into the bottom of a rotating bowl, where it is accelerated to a high speed.The solid phase, which has the heavier specific gravity, is pushed to the inner wall of the bowl and forms a cake layer.
The liquid phase, which has the lower specific gravity, forms an inner layer, and remains closer to the bowl center.The two phases are then discharged separately from different outlets: the solid phase is manually removed from the bowl after stopping the centrifuge; the liquid phase is discharged from the top of the centrifuge.

GF 3-phase tubular centrifuge

GF series is mainly used for 3-phase separation. A 3-phase tubular bowl centrifuge is a device that can separate a mixture of three different phases: a heavy liquid, a light liquid, and a solid.The working principle of a 3-phase tubular bowl centrifuge is based on the difference in specific gravity and centrifugal force of the three phases. The mixture is fed into the bottom of a rotating bowl, where it is accelerated to a high speed.The solid phase, which has the highest specific gravity, is pushed to the inner wall of the bowl and forms a cake layer.The light liquid phase, which has the lowest specific gravity, forms an inner layer near the axis of the bowl.

Application of Tubular Centrifuge

Pharmaceutical & Biotechnology Industry

It is extensively used in the production of vaccines, antibiotics, and other biopharmaceutical products. They help separate cells, cell debris, and other impurities from the product stream, ensuring high quality and purity.

Food & Beverage Industry

In the food and beverage industry, it is commonly used for the clarification of juices, wines, and other products. They help remove solids, such as fruit pulp and yeast, to produce a clear, high-quality product.

Chemical Industry

Tubular centrifuges are used in the chemical industry for the separation of liquid-liquid and liquid-solid mixtures, such as separating water from oil or removing solids from a liquid suspension.

Environmental Applications

The centrifuges are utilized for various environmental applications, such as wastewater treatment and sludge dewatering. They help separate solid contaminants from water, allowing for efficient waste disposal and water recycling.

Components of Tubular Centrifuge

Bowl Assembly
The heart of the centrifuge, the bowl assembly, is where the magic happens. It consists of a cylindrical bowl with a conical bottom and a spinning rotor inside. The bowl is typically made of high-grade stainless steel, ensuring durability and corrosion resistance.

Drive System
Connected to the bowl assembly is the drive system, which imparts rotational motion to the bowl. This system ensures that the contents within the bowl are subjected to high gravitational forces, promoting efficient separation.

Control Panel
Modern tubular bowl centrifuges come equipped with advanced control panels that allow operators to fine-tune the separation process. These panels enable precise control of rotational speed, feed rates, and discharge settings.

High Speed Tubular Bowl Oil Centrifuge For Oil Water Separation

How to Choose Tubular Centrifuge

Material and Durability
The first consideration when selecting a Tubular Centrifuge is the material it is made of. Common materials used for manufacturing test tubes include glass, plastic, and glass-reinforced plastic (GRP). Each material has its advantages and disadvantages, so it is important to evaluate your lab's requirements. Glass Tubular Centrifuge are durable, heat-resistant, and virtually inert, making them suitable for a wide range of applications. However, they can be fragile and may break during centrifugation if not handled with care. Plastic test tubes, on the other hand, are more resistant to breakage, but may not be suitable for high-speed centrifugation. GRP test tubes offer a good balance between durability and performance, making them a popular choice for many labs.

Capacity and Dimensions
Tubular Centrifuge come in various sizes and capacities to accommodate different volumes of samples. It is important to choose a test tube size that matches your experimental needs. Consider the volume of the sample you will be working with and ensure that the test tube has enough capacity to hold it without overflowing. Additionally, check the dimensions of the test tube to ensure compatibility with your centrifuge. Some test tubes may be too long or wide to fit into certain centrifuge models, so it is crucial to check the specifications before making a purchase.

Compatibility with Centrifuge Models
Not all Tubular Centrifuge are compatible with all centrifuge models. Different centrifuges have varying rotor designs, which require specific test tube sizes and shapes. Before purchasing test tubes, it is essential to check the compatibility with your centrifuge model. Ensure that the test tube can be securely attached to the rotor without any risk of leakage or detachment during centrifugation. Additionally, consider the maximum speed and g-force that the test tube can withstand to ensure it meets your experimental requirements.

Specialized Features
Depending on your lab's specific needs, you may require specialized features in your Tubular Centrifuge. Some test tubes are designed with screw caps or snap caps, providing a secure seal to prevent sample leakage during centrifugation. Others may have graduations or writing areas for easy sample identification and measurement. Additionally, some test tubes are compatible with automated systems, allowing for streamlined sample processing. Consider these features and determine which ones are essential for your experiments.

The Parts of The Tubular Centrifuge

At the center of the tubular centrifuge is a powerful motor that creates the spin. Attached to this motor is the rotor, in which will rest the containers that hold the tubes containing the material to be centrifuged. These containers may be spun at a 45-degree angle (fixed angle centrifuge), a 90-degree angle (horizontal centrifuge) or no angle (vertical centrifuge). Depending on the centrifuge, the tubes may either be loaded at the angle on which they will rotate (fixed angle is a good example of this) or be loaded into a container that will adjust itself to a different angle upon startup. This second methodology is referred to as swing bucket and is a common functionality in horizontal centrifuges.

Depending on the centrifuge selected, a variety of different controls may be available. Some centrifuges are pre-programmed for one, two, or three processing settings. Some are completely custom programmable with a digital display. Regardless of the control type, when you start the centrifuge, it will run the motor based on the settings provided. During the cycle, the sample in the test tubes will separate into their various components so they are ready for analysis.

How to Maintain Tubular Centrifuge

Avoiding rotor failures
The centrifugal field which accelerates the separation process also exerts large forces on the rotor material. If a rotor fails, the tubular centrifuge is severely damaged as well. For this reason, some simple precautions should be observed.rotors are designed to be run up to their maximum speed with a load of a specific weight. One should never attempt to run a rotor at a speed higher than the one designated by its manufacturer. Also, if high density solutions (greater than 1.2 g/ml, for instance) are used, the run speed must be reduced to prevent undue stress on the rotor. Consult your instruction manual for exact directions.

Tube breakage
Glass tubes can break during centrifugation, due either to improper loading or inherent defects. Any glass fragments must be removed from the buckets, adapters, rubber liners, and rotor chamber before the next run is made. If you find gray dust, which results from sandblasting of the rotor chamber by glass particles, it must be cleaned up too. You should make several dry runs without samples, and clean the chamber between each run to be sure this dust is eliminated from the tubular centrifuge.

Chemical resistance
If you plan to tubular centrifuge any uncommon solvents or solutions, consult your manual to be sure they are compatible with the various plastics and metals comprising the tubular centrifuge, the rotor, the tubes, and other accessories. These same precautions must be observed with any solvents used for sterilization purposes. A table of 19 chemical resistances for common tubular centrifuge materials is available from beckman coulter.

Aerosol generation
If any liquid is spilled on a rotor, it will be dispersed as a particulate mist when the tubular centrifuge is run. Part of this mist will be fine enough to form a relatively stable aerosol which will tend to be dispersed throughout the laboratory. Such spills should be thoroughly cleaned up before running the tubular centrifugee.

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Shenzhou Machinery is a subsidiary of Shenzhou Group.Which was established in 1980, conveying an area of 80000M2 ,there are 2500 staffs and employee in our company.200 of them are technicians and engineers.It has obtained the approvals and certifications of both CE and ISO.Some of our machines gained the new technology invent patent.We are on of the world's leading manufacturers of decanter centrifuge,disc centrifuge,tubular centrifuge,separation systems and drying equipment.Now there are over 180 series or decanter centrifuges and disc separators used home and abroad.Including U.S.A , Canada ,Australia,Russia ,Brazil,Singapore and so on totally 70 countries.We own various kinds of inspection and testing facilities with value over USD10 million .18 testing tables,high speed dynamic balancing machine,ultrasonic flaw detection machines.etc.

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FAQ

Q: How do you maintain a centrifuge tube?

A: Clean the chamber, rotor, adapters, and external surfaces daily after use with a soft cloth soaked in pH-neutral detergents only. Ensure that all parts are dried thoroughly. Coat anodized aluminum parts with anti-corrosion oil regularly in order to increase their lifespans and reduce corrosion predisposition.

Q: Which of the following is appropriate care and maintenance of centrifuge?

A: Clean the centrifuge daily, or at least weekly. Remove the rotor and any sample or container holders. Interior cleaning includes the interior bucket, specimen holder, rotor and supports. Use a sponge, warm water and a mild detergent such as dishwashing liquid.

Q: How to lubricate a centrifuge?

A: After cleaning your equipment, take a small amount of centrifuge lubricant – like polyethlene glycol (PEG) fat provided by Eppendorf – on your finger. Lubricate bucket grooves, pivots of swing-bucket rotors, and rubber seals. Rotor chamber seals can be lubricated with standard laboratory grade glycerol or talcum.

Q: How often should I grease my centrifuge?

A: Clean your centrifuge daily.When finished with the cleaning, you should use a centrifuge lubricant to lubricate the bucket grooves and rubber seals. Check for residue and corrosion on the rotors on a weekly or monthly basis.

Q: Can you reuse centrifuge tubes?

A: Can you reuse centrifuge tubes? Most centrifuge tubes, such as those made from polypropylene (PP), are recommended for single use only to ensure accuracy in use. In addition to glass tubes, only entrifuge tubes made of cfluorinated ethylene propylene (FEP) are durable enough to be reused.

Q: What is the maintenance and calibration of centrifuge?

A: According to most manufacturers' recommendations, centrifuges typically require routine cleaning after each use. This may include cleaning the rotors, checking components for signs of damage or wear, removing dust from vent slots, testing the speed and lubricating the rotor insert.

Q: What should centrifuges be regularly disinfected with?

A: Use neutral cleaning solutions (alcohol or alcohol-based disinfectant) and a soft cloth to clean your rotors and accessories. Wipe contaminated parts with neutral agents for cleaning and disinfection (e.g. diluted neutral alcohol- based disinfectant or 70% isopropanol mixture).

Q: How often should a centrifuge be serviced?

A: Once per year
You should aim to have your centrifuge serviced at least once per year or more often for heavily used machines. To ensure accurate results, it's also important to have the unit calibrated every 12 months, or every six months if it's used for six or more hours per day.Only option i, ii and iv are appropriate care and maintenance of centrifuges. However, cleaning centrifuges and rotors with coarse brushes may cause damage to the protective layers of rotors. Therefore, option iii is wrong.

Q: How do you stabilize a centrifuge?

A: Balance the centrifuge by positioning sample-filled microtubes and balance tubes opposite one another in the centrifuge rotor. When the centrifuge is balanced properly, the center of gravity for the centrifuge and the test tubes it contains will be located at the center of the centrifuge.

Q: What is the working principle of tubular centrifuge?

A: Working principle.The lighter liquid forms the inside layer and heavier liquid forms the out- side (Toward wall to bowl) layer. Since the Mixture is entering continuously in the bowl, two phases are dis- charged continuously from two separate holes provided on the top portion of the bowl.

Q: What are the advantages of tubular centrifuge?

A: With tubular centrifuges, even nanoscale particles can be separated from a suspension at reasonable throughputs due to very high g values. This is a great advantage compared to membrane tech- niques (low throughput) and filtering, disc stack and decanter centrifuges (lower g values).Use of tubes with cracks or chips or excessive centrifugation speed may cause tube breakage, with release of sample, droplets, and an aerosol into the centrifuge bowl.

Q: Why should tubes be capped during centrifugation?

A: The greatest aerosol hazard is created if a tube breaks during centrifugation. To minimize the generation of aerosols when centrifuging BSL-2 or BSL-3 agents, the following procedures are required: Use sealed tubes, safety cups, or sealed rotors that seal with O-rings.

Q: What is the most unsafe event regarding a centrifuge?

A: The biggest concerns is the potential for injury and damage if a rotor fails. The resulting flying metal fragments can cause considerable damage and pose a risk to any nearby personnel. In one case, the shock wave caused by a failed rotor blew out a laboratory's windows.

Q: What would you do if you had 5 centrifuge tubes to balance in the centrifuge above?

A: To balance 5 tubes, you'll want to take your 5 test-tubes and add an additional tube referred to as the balance tube. This way, your centrifuge is working with 6 tubes in total. Before you begin, fill the balance tube with water to match the weight of your test-tubes.

Q: What happens if you run a centrifuge unbalanced?

A: Incorrect loading can reduce the lifetime of the rotor, and uncontrolled, heavy vibration can lead to permanently damaging the centrifuge. More importantly, however, an imbalanced load can injure you or someone else. In the worst case, an imbalance can lead to a rotor crash.

Q: How does a centrifuge tube work?

A: Centrifuge tubes are used to contain liquids during centrifugation, which separates the sample into its components by rapidly rotating it around a fixed axis. Most centrifuge tubes have conical bottoms, which help collect any solid or heavier parts of the sample being centrifuged.

Q: What is the working procedure of centrifuge machine?

A: A centrifuge spins samples at a high speed, the centrifugal force causes denser materials to travel to the bottom of the centrifuge tube rapidly. This allows for the separation of liquid and solid samples. The information below addresses general laboratory safety concerns while setting up and operating a centrifuge.

Q: What is the process of centrifugation?

A: Centrifugation is a technique used for the separation of particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed. The particles are suspended in a liquid medium and placed in a centrifuge tube. The tube is then placed in a rotor and spun at a define speed.

Q: What happens if a centrifuge is unbalanced?

Q: What is the most important item to remember when using a centrifuge?

A: Make sure you balance your tubes. If you're placing two test tubes in your centrifuge, one sample being . 5mL, and the other being 1mL, your results will not be precise. Once your tubes are at equal volume your next step is to balance them in your centrifuge.

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