Disc Centrifuge

Why Choose Us

Advanced Equipment
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.

Advanced testing equipment
We are equipped with complete testing, inspection, analysis control system, advanced testing machines and stimulative working condition test table and automatic control testing system,which guarantees our new product research, processing validation and quality.

Global Market
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.

Accept ODM/OEM service
You can discuss your purchasing needs with our customer service center. We also welcome OEM and ODM orders.

What Is Disc Centrifuge

Disc centrifuge are essential pieces of laboratory equipment utilized for separating particles from a solution based on their size, shape, density, and viscosity. The effectiveness of this separation process is contingent on the rotor speed. Nowadays, laboratory centrifuges are among the most widely used tools in both research and clinical settings. They are prevalent in various types of laboratories, with a particularly high usage rate in chemistry, biochemistry, and molecular biology labs.These versatile instruments find application in tasks such as the separation, purification, and isolation of organelles, cells, and cellular components. Additionally, they are invaluable for dealing with complex mixtures of nucleic acids, proteins, and viruses, facilitating further detailed analysis.

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Milk Separator Machine

Product Name: Disc Separator . Shenzhou dairy separator has such features as large capacity, good deoiling performance, high efficiency and lower energy consumption. The advanced inlet and outlet

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Disc Separator Centrifuge

Disc stack centrifuge is a kind of vertical centrifuge. As a high-efficiency, high-output, high-automation and high-speed precision separation equipment, it can be divided into solid-liquid two-phase

Benefits of Disc Centrifuge

01/

High Efficiency
Its high rotational speed and large sedimentation area allow for rapid and efficient separation of components, even in complex mixtures.

02/

Continuous Operation
Unlike batch centrifuges, it operates continuously, allowing for higher throughput and more consistent product quality.

03/

Easy to Operate and Maintain
The machines have a simple design with few moving parts, which makes them easy to operate and maintain. They have a long service life and require minimal maintenance, reducing downtime and operational costs.

04/

Low Cost and Repeatedly
They are cost-effective and can be used repeatedly, making them a valuable investment for many industries. The tubes used in the centrifuge can be easily cleaned and reused, reducing the cost of consumables.

05/

Compact Design
The machine's compact design saves valuable floor space in production facilities and allows for easy integration into existing process lines.

06/

Energy Efficiency
This centrifuge type consumes less energy compared to other separation methods, making them an environmentally friendly and cost-effective option.

Types of Disc Centrifuge

Disc Separator Centrifuge

Disc stack centrifuge is a kind of vertical centrifuge. As a high-efficiency, high-output, high-automation and high-speed precision separation equipment, it can be divided into solid-liquid two-phase and solid-liquid-liquid three-phase separation. As a two-phase separation disc centrifuge, it can separate most solid particles and liquids. As a three-phase disc centrifuge, it can separate liquid phases of different densities and separate solids at the same time.

Milk Separator Machine

Shenzhou dairy separator has such features as large capacity, good deoiling performance, high efficiency and lower energy consumption. The advanced inlet and outlet design guarantees soft treatment during the whole separation process, preventing destructive air from entering and ensuring product quality.

Application of Disc Centrifuge

Biology and Medicine
Disc Centrifuge are widely used in biology and medicine to separate blood components, separate proteins, purify DNA, and separate organelles. For example, solids from liquids, liquids from liquids, and gases from liquids. They are used to separate red blood cells from plasma and white blood cells from plasma for analysis.

Petroleum Industry
In environmental technology, Disc Centrifuge are used to analyze and separate soil, water, and air samples, helping to detect and identify pollutants, contaminants, and other substances.
Industry.

Geology
In industry, Disc Centrifuge are used in various manufacturing processes, such as the production of plastics, textiles, and pharmaceuticals, and they help separate and purify different components of minerals and ore samples, which helps in mineral exploration and ore processing.Disc Centrifuge are used in geology to separate heavy minerals and ore samples from lighter ones.

Components of Disc Centrifuge

Motor
The motor is the powerful central component of the centrifuge that creates the spin.

Rotor assembly
A drive shaft and a rotor comprise the rotor assembly. The drive shaft provides support for the rotor components. The rotor head is attached to the motor, which bears the containers to house the tubes containing the sample to be centrifuged. It converts electrical energy to mechanical energy. Two rotors with different diameters can have the same rotational speed. Varying radii and angular momentum results in a difference in the acceleration of such rotors.

Containers
Several types of containers, such as test tubes, blood bags, cuvettes, centrifuge tubes, etc., are held in the rotors such that the sample rotates along as the rotor rotates.

Control Panel
It serves the purpose of controlling different parameters such as temperature, rotational speed (rcf or rpm), etc.

Latch
When a tube breaks, or there are other issues with the centrifuge while running, the latch keeps the lid closed.

Lid: The centrifuge will only spin if the lid is closed and locked to prevent mishaps.

How to Choose Disc Centrifuge

Rotor Flexibility
Labs should also consider the versatility and flexibility of the centrifuge and its rotors. Every lab knows that the work and workflow can change daily or weekly, so having equipment that adapts to the work is critical for productivity. Therefore, consider the rotors, which support the sample tubes during operation, that the centrifuge is compatible with.

Safety Features
You should thoughtfully consider safety with every piece of equipment in a lab, including the centrifuge. Centrifuges are relatively safe equipment, but with the intense speed and RPMs it uses for sample separation, accidents can happen and become safety concerns.Getting a centrifuge with some of the latest safety features to prevent any spillage is wise, such as an electronically locking lid or sealed rotors. This kind of centrifuge may cost more, but safety is always worth the investment.

Temperature Range
Lastly, labs should consider whether they need a centrifuge to keep samples cool for their separations. Most centrifuges operate at room temperature, but some offer refrigeration technology.Consider whether your lab needs a centrifuge that keeps samples cool and the temperature range the centrifuge has to achieve. Centrifuges with more refined temperature control may cost more, but they can make the job easier and more efficient, boosting productivity in the lab.

RCF & RPM
As the primary function of a centrifuge is separating a sample through centrifugal force, labs should first consider the machine's relative centrifugal force (RCF) and revolutions per minute (RPM). While these two metrics mostly explain the same information—how fast the centrifuge can spin—RCF is a better and more accurate measurement for a centrifuge.The RCF and RPM that best fits a lab will mostly depend on the application and the work that the lab will conduct with the centrifuge. Every lab has a speed requirement—or floor—for their centrifuge, so the first thing labs should consider when choosing a centrifuge is whether it can produce the necessary RCF.

Disc Centrifuge Installation

Storage Before Installation
The centrifuge system is often delivered to the customer site before the plant is ready to utilize it. In such cases, the proper storage of the centrifuge is necessary. We recommend the following steps for storage before installation.The system should be stored indoors to protect from rain, dust, and other contaminants. The user may store the equipment outdoor if it is in a weatherproof crate with a vapor barrier lining.

Placement
The centrifuge system placement in the plant should allow for easy access for the initial installation and the centrifuge extraction for future service or replacement. Therefore a clear pathway to the centrifuge skid should be provisioned during installation.

Clearances
The service of centrifuge components requires adequate space around the centrifuge to enable the removal and reinstallation of such components. In this section, we highlight the critical clearances that need consideration.

Overhead
The disc stack centrifuge has a vertical orientation. The centrifuge bowl extraction occurs through the top of the centrifuge. A mechanical assist device such as a hoist or a crane is the preferred extraction mode.Therefore, overhead clearance is critical for the regular service of a disc stack centrifuge. The centrifuge manual specifies the required clearance for specific centrifuge models.

Side Access
The main drive motor on a disc stack centrifuge has a horizontal orientation. Therefore adequate clearance behind the motor is essential for the extraction for the repair or replacement of the centrifuge motor. See reference horizontal clearance diagram above.

Foundation & Anchoring
All industrial centrifuges have heavy bowls that rotate at high operating speeds. This rotation causes the centrifuge to vibrate. A rigid foundation for the centrifuge system is therefore highly recommended to negate the effects of this vibration.

Elevated Platform Installation
In some cases, the centrifuge installation is on elevated platforms. This type of installation could allow the centrifuge effluent to gravity feed downstream equipment located below the centrifuge. As mentioned above, the centrifuge's inherent vibration should be carefully observed during elevated platform installation.

How to Maintain Disc Centrifuge

Calibration
After other maintenance tasks, the centrifuge is started up for calibrating. Calibration can be performed by running water through the centrifuge in order to check the discharge amount to ensure it is functioning properly, which includes checking for leaks.

Speed checks and fixes
Centrifuge speeds should be routinely checked if they are in constant use. The check should be performed with a reliable photoelectric or strobe tachometer that meets the standards of the College of American Pathologist inspection guidelines.

Temperature checks
Measured and programmed temperature should be within 2 degrees Celsius in most cases. However, some centrifuges in some applications have different requirements. Refrigerated centrifuge temperature should be checked at least on a monthly basis for most standardized conditions.

Repairs, rebuilds, refurbishes, and reconditioning
Part of proper maintenance is knowing when to salvage components and machines in its entirety. Sometimes a repair is needed, where in other cases a refurbish is preferable. Rebuilds and reconditioning of parts can fix other problems. This is why it is important to have a tech who is knowledgeable about your centrifuge and what is required from it in your industry. An experienced tech can advise you of the best path forward.

Key Points Disc Centrifuge Market Size Projection in 2024

Technological Advancements
Continuous innovation and improved functionalities in Disc Centrifuge products are crucial drivers of market growth. Companies are investing in cutting-edge technologies to enhance product performance, reliability, and user experience. These advancements not only attract new customers but also retain existing ones by meeting evolving demands.

Increasing Consumer Demand
There is a growing preference for Disc Centrifuge solutions among consumers, fueled by their effectiveness, efficiency, and convenience. As more individuals and businesses recognize the benefits of Disc Centrifuge, the market is expected to see a substantial rise in demand, contributing to overall growth.

Expanding Applications
The adoption of Disc Centrifuge across various industries, including healthcare, finance, and manufacturing, is broadening the market's scope. Each sector leverages Disc Centrifuge solutions to optimize operations, reduce costs, and improve service delivery, which in turn drives market expansion.

Strategic Partnerships
Collaborations and alliances are essential for enhancing market reach and capabilities. Strategic partnerships enable companies to combine expertise, share resources, and access new markets more effectively, fostering growth and innovation within the Disc Centrifuge market.

Our Factory

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.

Certifications

FAQ

Q: How does a disc stack centrifuge work?

A: A disc stack centrifuge has a rotating bowl with closely spaced conical discs. These discs split the incoming fluid into thin layers, imparting the bowl's rotation to the process fluid instantaneously. The fluid's rotation generates high centrifugal forces causing the heavier solids to separate from the fluid causing separation.

Q: What is the purpose of the conical discs in a disc stack centrifuge?

A: The conical discs partition the fluid column into layers. The process fluid passes radially between these discs. The close proximity of these discs decreases the settling distance for the sediment, thus enhancing settlement speed and efficiency.

Q: What is the design of a disc stack centrifuge?

A: The design features of a disc stack centrifuge feature a rotating bowl with a set of thin, closely spaced conical discs within. The fluid to be separated passes through the inter disc space causing the fluid to also rotate. The centrifugal force generated by the rotation causes the solids of higher density to settle on the disc surface while the separated fluid flows out of the bowl. This separation of the solids from fluid is the primary function of the disc stack centrifuge.

Q: What exactly is the disc stack in a disc stack centrifuge?

A: A set of conical plates (discs) that are vertically stacked is the disc stack in a disc stack centrifuge. The centrifuge bowl houses this stack of thin plates. Each disc has thin metal strips attached to it, and these strips act as vertical spacers creating a space between the discs.

Q: What is the particle size efficiency of a disc stack centrifuge?

A: A disc stack centrifuge has a particle size efficiency of 0.5-microns for metal particles and 1-micron for non-metal particles.

Q: What is a disc stack centrifuge?

A: A disc stack centrifuge is a specific industrial centrifuge that utilizes a stack of conical discs within its rotating bowl to enhance its separation efficiency. It is a flow-through centrifuge that continuously separates liquids from liquids and solids.

Q: Who invented the disc stack centrifuge?

A: Gustaf de Laval invented the disc centrifuge in 1894 as a cream separator from milk. He was a native of Sweden who went on to form AB Separator company today known as Alfa Laval.

Q: Is a disc stack centrifuge similar to the old cream separators?

A: The first centrifuge to utilize a disc stack to affect high-efficiency separation was in the form of a cream separator invented by Gustaf de Laval.

Q: What is the working principle of a disc stack centrifuge?

A: The disc stack centrifuge works on the principle of differential settling of fluids of different densities. This centrifuge exerts a centrifugal force that is multitudes of the force of gravity to separate the liquids and solids having different densities instantaneously.

Q: Why is it called a disc stack centrifuge?

A: The name disc stack centrifuge originates from the stack of conical plates (known as discs) inside the bowl of this centrifuge. These discs are the distinguishing feature of the centrifuge from other industrial centrifuges.

Q: What does a disc stack centrifuge do?

A: A disc stack centrifuge separates two immiscible (not soluble) liquids with different densities from each other. This centrifuge performs this separation continuously as a flow-through liquid separator. The mixture of liquids enters the centrifuge through an inlet pipe, and the two separated liquids exit the centrifuge through discrete outlets.

Q: What is the purpose of the discs in the disc stack centrifuge?

A: The purpose of the discs in the centrifuge is to drastically reduce the settling distance for the solids in the fluid mix. The reduction of this distance allows the solid particles to settle quickly, imparting a high separation efficiency to the centrifuge.
Additionally, the discs separate the liquid column in the bowl into thin layers in the inter-disc space. The rotating discs can accelerate the incoming, non-rotating liquid subjecting it to the high centrifugal force, which is the critical aspect of centrifugal separation.

Q: How many discs are there in the bowl of a disc stack centrifuge?

A: The discs in a disc stack centrifuge bowl vary from 50 discs in a small centrifuge to over 200 discs in a high-capacity centrifuge. The number of discs also depends on the thickness of the discs, which in turn varies depending on the centrifuge application.

Q: How thick are the discs in a disc stack?

A: The typical thickness of the discs in a disc stack centrifuge is 1 mm with 1 mm separating caulks for inter-disc spacing. The disc caulks are thicker for light viscosity liquids such as water or milk. A thicker caulk reduces the total number of discs in the bowl.

Q: What are the disc-stack centrifuge discs made of?

A: The stainless steel discs are standard in a disc centrifuge. 316 stainless steel is the material for Alfa Laval bowl discs. Cheaper or generic centrifuge discs sometimes use lower-grade stainless steel or carbon steel.

Q: What are the different types of disc stack centrifuges?

A: There are three types of disc stack centrifuges. The type of bowl each centrifuge utilizes categorizes it; therefore, we have a Manual Clean, Self-Cleaning, and Nozzle type of disc stack centrifuges.The primary difference between these types of bowls is the mechanism to extract the separated solids. The manual clean centrifuge requires the operator to stop the centrifuge and extract the separated solids. The self-cleaning centrifuge bowl ejects the separated solids automatically. The nozzle bowl centrifuge has sludge discharge nozzles in the bowl wall that constantly eject the solids as they accumulate.

Q: What are the 3-phases separated by a disc stack centrifuge?

A: A disc stack centrifuge has one inlet for the fluid/solid mixture and two-fluid outlet pipes for the separated liquids. The bowl also incorporates space for accumulating the separated sludge, which is the third phase.

Q: Can a disc stack centrifuge separate three different liquids?

A: A disc stack centrifuge cannot separate three different liquids because the centrifuges have two liquid outlets for the separated liquid phases. If one were to process a mixture of three immiscible liquids through a 3-phase disc centrifuge, two liquid phases would discharge the centrifuge through one outlet, and the third liquid phase would exit through the other.

Q: Can a disc stack centrifuge separate miscible liquids like diesel from oil?

A: A disc stack centrifuge cannot separate liquids that dissolve in each other. Oil dissolves in diesel, and the resulting liquid is one homogenous phase. A disc stack centrifuge uses high centrifugal force to affect the differential settling of liquids with different densities. Oil dissolved in diesel becomes one liquid of set density.

Q: Can a disc stack centrifuge separate dissolved solids like salt from water?

A: A disc stack centrifuge cannot separate solids dissolved in a liquid, such as salt in water or sugar in water. The centrifuge uses the difference in densities between solids and liquids to separate them. Once a solid dissolves in a liquid, i.e., salt in water, the resulting liquid has the characteristic of a single, homogeneous liquid that is not separable by centrifugation.

Jinhua Shenzhou Centrifuge Co., Ltd. is one of the most professional disc centrifuge manufacturers and suppliers in China, featured by quality products and competitive price. Please rest assured to wholesale cheap disc centrifuge for sale here from our factory. Contact us for customized service.