Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration

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  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  • Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
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Basic Info.

Model NO.
LW400
Type
Centrifuge
Separation Mode
Sedimentation Type
Operating Type
Continuous Type
Installation
Horizontal
Centrifuge Type
Horizontal Spiral Centrifuge
Pressure
Low Pressure
Condition
New
Material
SS304 or SS316 L
Motor
ABB
Inverter
ABB
Touch Screen
Siemens
Transport Package
Wooden Cases
Specification
2065*1050*800
Trademark
SHENZHOU
Origin
China
HS Code
8421192000
Production Capacity
500sets

Product Description

Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
A decanter centrifuge is an advanced piece of machinery meticulously designed to efficiently separate solids from liquids within complex mixtures.
It harnesses its immense capability to meticulously disentangle the solid constituents from liquid elements in a mixed composition.. This sophisticated process is continuous, employing the powerful forces of centrifugal action to effectively divide two distinct components. As the mixture enters the centrifuge, the robust spinning mechanism dynamically separates the solids from the liquids, ensuring a seamless division driven by centrifugal force.

When faced with the task of separating high solids content in solid/liquid mixtures, decanter centrifuges are the paramount choice. These solid-shell scroll centrifuges, or decanters, stand out by operating continuously—unlike traditional chamber filter presses. Through intense centrifugal forces, they adeptly extract finely dispersed solid particles from suspensions.

Decanters find invaluable applications across a plethora of industries worldwide. They are adeptly tailored for specific operational needs, ranging from efficient sludge dewatering to precise classification, wet classification, and advanced solid sorting.

To achieve peak efficiency, solid bowl decanter centrifuges must be meticulously crafted to meet the bespoke requirements of particular separation processes.

What is a Decanter Centrifuge?

Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration

  • A decanter centrifuge is an exceptional type of centrifuge designed for the effective separation of solids from liquids within a mixture. Leveraging a continuous process, it utilizes centrifugal force to masterfully separate the two components.
  • The ingenious design allows the mixture to be fed into the centrifuge, where the spinning mechanism proficiently separates solids from liquids, powered by centrifugal force.
  • Subsequently, the segregated solids and liquids are efficiently discharged from the centrifuge through distinct outlets.
  • This technology is indispensable across a wide array of industries such as chemical processing, pharmaceutical manufacturing, food processing, and environmental engineering.
  • Decanter centrifuges excel in isolating solids that are exceptionally fine or dense, far surpassing the efficacy of alternative methods like sedimentation or filtration.
  • They are also expertly utilized for sludge dewatering and the separation of emulsions.
  • Renowned for their impressive high efficiency, minimal maintenance demands, and ability to manage vast material volumes, decanter centrifuges are truly indispensable.
  • Working Principle of Decanter Centrifuges

    Decanter centrifuges operate on the principle of buoyancy separation. Components with greater density naturally descend in a mixture, while less dense components rise. The continuous rotation accelerates settling speed, producing a g-force of 1000 to 4000 G's, drastically reducing traditional settling times from hours to mere seconds. This yields rapid and manageable separation outcomes.

    A decanter functions as a sedimentation tank aligned along an axis. Heavier solid particles descend by gravity, forming sediment at the bottom. In this dynamic system, centrifugal acceleration dramatically separates the solid and liquid phases. Due to centrifugal force, heavier solid particles migrate outward in the revolving bowl, forming sediment on the inner wall. This method is significantly faster and more efficient, applying centrifugal forces around 3000 g compared to just 1 g in a gravitational field.
    Two-phase Decanter Centrifuge Parameters

    Model 
    (Diameter)mm
    Length mm
    Rotation speed(Rpm)
    separation factor
    capacity
    Main motor
    Vice motor
    Weight
    (Kg)
    LW250*1000
    250
    1000
    4800
    2722
    0.5-5
    7.5
    4
    950
    LW300*1200
    300
     
    1200
    4000
    2688
    1-8
    11
    7.5
    1350
    LW355*1160
    355
    1160
    3600
    2576
    2-8
    15
    7.5
    1400
    LW355*1460
    355
    1460
    3600
    2576
    2-10
    15
    7.5
    1800
    LW355*1460H
    355
    1460
    3600
    2576
    2-10
    15
    7.5
    2000
    LW420*1750
    420
    1750
    3200
    2406
    4-20
    30
    11
    3000
    LW450*1600
    450
    1600
    3200
    2578
    5-25
    30
    11
    3500
    LW450*1800
    450
    1800
    3200
    2578
    5-28
    37
    22
    3600
    LW450*2000
    450
    2000
    3000
    2266
    5-30
    37
    22
    3800
    LW500*1800
    500
    1800
    3000
    2517
    10-32
    45
    22
    4300
    LW500*2000
    500
    2000
    3000
    2517
    10-35
    45
    22
    4500
    LW550*1800
    550
    1800
    3000
    2769
    10-40
    45
    22
    4800
    LW550*2200
    550
    2200
    2800
    2412
    10-45
    45
    22
    5000
    LW650*1750
    650
    1750
    2000
    1454
    20-50
    90
    30
    6000
    LW650*2000
    650
    2000
    2000
    1454
    20-55
    90
    30
    6200
    LW720*2000
    720
    2000
    1800
    1450
    40-100
    110
    55
    10000

    Harnessing the power of a sophisticated 3-phase decanter centrifuge, you can effortlessly achieve remarkable separation of three distinct stages in a single seamless operation. Imagine the effective extraction of oil and water, unmixable due to their unique densities, from a solid phase. Picture water elegantly gathering between the oil and the solid layers, allowing the two liquids to be delicately drawn from the decanter post-separation. Much like in 2-phase separation, the solid particles are gracefully conveyed by the scroll to the discharge outlets, ensuring a smooth and efficient process.

    The versatility of three-phase separation finds its home in diverse applications: from the creation of exquisite edible oils such as olive oil to the efficient processing of oil sludge, and even in the innovative generation of biodiesel. This technology is a testament to industrial evolution.

Components of Decanter Centrifuges

Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration

A decanter centrifuge is a marvel of engineering, comprised of several crucial components working in harmony to masterfully separate solids from liquids. Key components include:

  1. The Bowl: As the heart of the centrifuge, the bowl is a meticulously designed cylindrical container spinning on a horizontal axis. The input mixture gracefully enters the bowl via a feed pipe, while the neatly separated solids and liquids emerge through distinct outlets, showcasing a precise and efficient separation process.
  2. The Scroll: A helical screw, the scroll is ingeniously mounted inside the bowl, driven by a motor to rotate at a slightly reduced speed compared to the bowl. Its clever design conveys solids towards the bowl's outer wall, where centrifugal force efficiently separates them from the liquid, ensuring precision separation.
  3. The Solids Discharge Port: Strategically located on the bowl's outer wall, this outlet is dedicated to the seamless discharge of the segregated solids, ensuring a clean and efficient operation.
  4. The Liquids Discharge Port: Situated at the bottom of the bowl, this outlet is meticulously designed to efficiently discharge the separated liquids, maintaining the integrity of the separation process.
  5. The Drive System: Encompassing a motor and an array of components, the drive system is the powerhouse driving both the bowl and the scroll, ensuring optimal performance and efficiency in operation.
  6. The Control System: Including an assortment of sensors and components, the control system monitors and regulates the centrifuge's operation with precision, ensuring smooth and reliable performance.
  7. The Frame and Support Structure: Comprising the robust frame and essential structural components, this structure supports the bowl and the intricate components of the centrifuge, ensuring stability and durability.
  8. The Feed Pipe: An essential conduit, the feed pipe efficiently channels the mixture into the centrifuge's bowl, setting the stage for a seamless separation process.
  9. The Feed Pump: Essential for maintaining a consistent flow rate, this pump ensures the mixture is fed into the feed pipe smoothly, facilitating uninterrupted operation.
  10. The Feed Control System: Featuring sensors and precise components, this system expertly monitors and controls the mixture's flow into the centrifuge, optimizing the separation process.

Understanding the Decanter Process

  1. The process begins as the slurry is introduced into the centrifuge through a carefully designed intake pipe, finding its way onto a conveyor.
  2. With efficiency, the conveyor moves the slurry via an internal feed compartment through a nozzle into the rotating bowl, setting the stage for separation.
  3. The bowl accelerates to remarkable speeds, generating powerful centrifugal forces that drive the separation process.
  4. This high-speed rotation instantly differentiates the solid materials from the liquids, achieving separation in mere seconds.
  5. The conveyor attentively directs the solid materials upwards, facilitating their discharge through a precisely engineered nozzle.
  6. Once the solids are removed, the refined and purified liquid is elegantly released from a separate outlet. This purification prowess makes decanter centrifuges indispensable for waste water treatment facilities. Yet, their benefits extend across various industries, where such centrifuges become vital assets. Much like other decanter equipment, their installation is remarkably straightforward, requiring no foundational construction. Their unparalleled efficiency conserves both time and resources, rendering them crucial components in numerous industrial landscapes.Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
  7. Explore the Distinctive Traits of Decanter Centrifuge Processes

    Discover the remarkable attributes of decanter centrifuges that make them a superior choice for efficient solid-liquid separation.

  8. Seamless Continuous Operation: Decanter centrifuges boast the capability of uninterrupted operation, ensuring a steady, continuous feed of materials is processed. This makes them ideal for handling extensive, high-volume tasks effortlessly.
  9. Exceptional High Separation Efficiency: With unparalleled precision, decanter centrifuges excel in the separation of solids from liquids, even for the most challenging fine or dense solids that other methods struggle to handle effectively.
  10. Customizable Separation Parameters: Tailor the separation experience with adjustable parameters such as bowl speed and scroll angle, allowing for optimized processing across diverse material types.
  11. Minimal Maintenance Needs: Engineered for durability, decanter centrifuges demand minimal upkeep, making them an economically savvy choice for a multitude of applications.
  12. Dynamic Versatility: Decanter centrifuges are adept at handling a vast array of materials, seamlessly accommodating varying densities, suspensions, and emulsions.
  13. Remarkable Energy Efficiency: Compared to traditional methods like filtration and sedimentation, decanter centrifuges offer superior energy efficiency, operating with reduced energy demands.
  14. Streamlined Compact Design: Designed for integration, decanter centrifuges feature a compact form factor, effortlessly fitting into existing process systems with ease.

Parameters and Influential Factors in Separation

1. Feed, Throughput, and Dwell Time

The separation medium is centrally fed into the scroll's infeed chamber, accelerated for processing. Throughput determines the residence time within the system.

2. Acceleration Power

Within the decanter bowl, the medium achieves peak velocity, driving solids to settle along its inner contours. The bowl's design is either cylindrical or conical.

3. Differential Velocity Mechanics

A sophisticated gear mechanism establishes a speed differential between the bowl and scroll, controlling the outfeed solid volume.

4. Volumetric Filling / Weir Discs Precision

Pond Depth / Weir Discs Precision

In a decanter centrifuge, clarified liquids flow to the bowl's cylindrical endpoint, exiting through precisely adjustable weir discs/plates, crucial for regulating pond depth and filling volume.

Unveiling the Applications of Decanter Centrifuges

Decanter centrifuges find their niche across a multitude of industries and applications, including:

  1. Chemical Industry Prowess: In the chemical industry, decanter centrifuges expertly separate and purify products and by-products like acids, alkalis, and solvents, as well as dewater products such as polymers and resins.
  2. Pharmaceutical Industry Excellence: Pharmaceutical applications leverage decanter centrifuges for the separation and purification of products like drugs and proteins, ensuring precise dewatering.
  3. Food Processing Industry: A Diverse Spectrum Decanter centrifuges are instrumental in the efficient separation and purification of a diverse array of food products and by-products, such as milk, juice, and fruit puree. These sophisticated machines are also crucial for the purification and dewatering of food items like cheese and yogurt, ensuring the highest quality and consistency.
  4. Environmental Engineering: Decanter centrifuges play a pivotal role in the treatment and dewatering of sludge and various waste materials in wastewater treatment plants. Additionally, they are indispensable in separating oil from water, particularly during oil spill cleanup operations, making them essential for environmental protection.
  5. Oil and Gas Industry: In the oil and gas sector, decanter centrifuges are vital for the separation of oil, water, and solids during drilling and production operations. They also serve an important function in the purification and dewatering of crude oil and other petroleum products, ensuring efficient processing and quality.
  6. Mining and Mineral Processing Industry: Decanter centrifuges are indispensable in mining operations, where they efficiently separate minerals and other solids from water and other liquids during ore processing and beneficiation, contributing to resource recovery and environmental sustainability.
  7. Power Generation Industry: Within the power generation industry, decanter centrifuges are employed to effectively dewater coal and other fuels, thus enhancing the efficiency and cleanliness of power generation operations.
  8. Pulp and Paper Industry: Decanter centrifuges are crucial in paper mills for the dewatering of pulp and paper sludge, aiding in waste reduction and improving the overall efficiency of the paper production process.
  9. Other Industries: Decanter centrifuges find applications across numerous other industries, including automotive, aviation, and aerospace, where they are used to separate and purify a wide range of materials, reflecting their versatility and indispensability.

Advantages of Decanter Centrifuges

  • Decanter centrifuges boast a sleek design that offers not just a neat appearance but also minimal to no odour issues, making them ideal for various industrial applications.
  • Installation of the device is straightforward, with rapid start-up and shut-down capabilities. It occupies less space compared to other competitive methods, allowing for more efficient use of production areas.
  • The adaptability of the decanter centrifuge is unmatched, with adjustable bowl sections and cone angles to suit varying applications. Furthermore, the system can be pre-programmed with multiple design curves to predict sludge types, offering flexibility that belt filter presses cannot match. This versatility allows the machine to perform multiple tasks, such as thickening and dewatering.
  • The machine's throughput capacity surpasses that of smaller machines, ensuring higher efficiency in processing tasks.
  • This superior capacity also means fewer units are needed, resulting in cost savings and efficient resource allocation.
  • The device is user-friendly and easy to optimize due to the limited number of significant variables and reliable feedback data, ensuring smooth operational management.
  • Compared to other processes, decanter centrifuges offer lower labor costs, thanks to their minimal maintenance requirements and minimal operator attention, enhancing cost-effectiveness.
  • With greater process flexibility and superior performance, the decanter centrifuge excels over competitive methods like the belt filter process, making it a preferred choice for many industries.

Disadvantages of Decanter Centrifuges

  • A limitation of the decanter centrifuge is its inability to separate biological materials with minimal density differences, such as cells and viruses. For these challenging separations, a tubular-bowl centrifuge is a more suitable alternative.
  • The machine can be noisy and vibrational during operation, which may necessitate additional noise control measures.
  • High G-forces result in significant energy consumption, which might impact operational costs and environmental considerations.
  • The initial cost of acquiring a centrifuge decanter can be substantial. Additionally, hard surfacing and abrasion protection materials are necessary for the scroll to prevent wear and minimize maintenance needs.

What is the Difference Between Centrifuge and Decanter?

A centrifuge is a versatile machine that leverages centrifugal force to separate solids from liquids or segregate mixture components based on density. In contrast, a decanter centrifuge is specifically engineered to continuously separate solids from liquids, offering distinct advantages in industrial processes.

Several key differences distinguish a general centrifuge from a decanter centrifuge:

  1. Continuous Operation: Decanter centrifuges are ingeniously engineered for relentless, continuous operation, seamlessly processing a never-ending stream of material. In contrast, batch centrifuges handle material in segmented intervals, making decanter centrifuges ideal for uninterrupted production.
  1. Scroll: Within the decanter centrifuge lies the scroll, a masterful helical screw that performs with precision. Rotating inside the bowl at a subtly slower pace, it expertly guides the solids to the outer wall, harnessing centrifugal force for optimal separation. Unlike other centrifuges, which may lack a scroll or utilize alternative conveyance methods, the scroll ensures superior separation efficiency.
  2. Solids discharge: The decanter centrifuge boasts a strategic solids discharge port on the outer wall of its bowl, designed for the efficient expulsion of separated solids. This feature distinguishes it from other centrifuge types, which may employ varied discharge methodologies.
  3. Applications: Primarily, decanter centrifuges excel at the separation of solids from liquids. In contrast, other centrifuge types may serve a broader spectrum of applications, such as density-based component separation or liquid purification. The versatility and specialization of decanter centrifuges make them indispensable in targeted industrial processes.
Decanter centrifuges are a specialized breed of centrifuge, purposefully crafted for the nuanced task of separating solids from liquids through a continuous process. Their design sets them apart from other centrifuge varieties, which may feature distinct characteristics and cater to diverse functional requirements.
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration
Quality SS316 L Automatic Centrifuge for Reliable Sludge Filtration

FAQ

What is a decanter centrifuge used for?

A decanter centrifuge is an exceptional machine adept at segregating solids from liquids in various mixtures. Leveraging the power of centrifugal force, it operates continuously across numerous industries and applications. From chemicals to pharmaceuticals, food processing to environmental engineering, and even oil, gas, mining, mineral processing, power generation, as well as pulp and paper industries, this centrifuge proves its versatile prowess.
Here are some illustrious examples of decanter centrifuge applications:
In the chemical industry, it meticulously separates chemicals like acids, alkalis, and solvents, ensuring purity and efficiency.
Within the pharmaceutical sector, it deftly separates drugs and excipients, upholding stringent quality standards.
In food processing, it elegantly separates everyday essentials like milk and juice, maintaining freshness and flavor.
In wastewater treatment, it effectively treats and dewaters sludge, contributing to environmental sustainability.
In the oil and gas arena, it proficiently separates oil, water, and solids, optimizing drilling and production operations.
During mining and mineral processing, it efficiently separates minerals and solids, enhancing productivity in ore processing and beneficiation.
In power generation, it adeptly dewaters coal and other fuels, supporting energy production processes.
In the pulp and paper industry, it skillfully dewaters pulp and paper sludge, sustaining operations in paper mills.

Is a decanter a centrifuge?

Indeed, a decanter is a specialized type of centrifuge. While centrifuges broadly utilize centrifugal force to execute separation—whether of solids from liquids or components by density—the decanter centrifuge is distinctively engineered for continuous solid-liquid separation, showcasing its specialization.
Decanter centrifuges distinguish themselves with features such as continuous operation, a scroll that systematically directs solids, and a strategically placed solids discharge port. Their prominence spans multiple industries, including chemical, pharmaceutical, food processing, environmental engineering, oil and gas, mining and mineral processing, power generation, as well as pulp and paper, testifying to their extensive applicability and efficiency.

Why is it called a decanter?

The term 'decanter' traditionally evokes images of an elegant vessel with a broad base and slender neck, often associated with the artful serving of fine wine. In the realm of centrifuges, however, 'decanter' takes on a brilliantly functional form, mirroring this classic silhouette. The decanter centrifuge boasts a cylindrical drum that mimics the graceful contours of a wine decanter. This drum, spinning on its horizontal axis, is ingeniously designed to enhance separation efficiency, ensuring precision and reliability in every rotation.
The intriguing use of 'decanter' within centrifuge technology likely stems from its core purpose: the separation of liquids by density, much like the delicate process of pouring wine while retaining sediment. Decanter centrifuges ingeniously adopt the iconic shape of wine decanters, serving as vessels meticulously engineered to distinguish between varying liquid densities. Just as a wine decanter reveals the clear liquid above its sediment, this centrifuge skillfully isolates the pure from the impurities, achieving a refined separation process akin to a sommelier's touch.

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