Versatile Manual Centrifuge for Laboratory and Pharmaceutical Applications

• Customization: Available
• After-sales Service: 24 Hours on Line
• Warranty: 12monthes
• 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

A decanter centrifuge is a revolutionary type of centrifuge celebrated for its unique ability to efficiently separate solids from liquids within complex mixtures. Functioning as a continuous process, it employs the immense power of centrifugal force, enabling a flawless division of components. As the mixture enters the centrifuge, the methodically generated centrifugal force effortlessly distinguishes the solids from the liquids with precision and speed.

For those handling solid/liquid mixtures with significant solids content, decanter centrifuges stand unparalleled. These robust, solid-shell scroll centrifuges —also known as decanters—deliver continuous, reliable performance. Unlike chamber filter presses, they operate without interruption, employing vigorous centrifugal forces to separate even the finest solid particles from suspensions with remarkable effectiveness.

Decanters boast exceptional versatility and are indispensable across a multitude of global industries. Their design is meticulously tailored to suit specific applications, ranging from efficient sludge dewatering to precise classification and sorting of solids.

Achieving optimal separation results demands that solid bowl decanter centrifuges be meticulously crafted to align perfectly with specific separation processes.

• A decanter centrifuge is a highly specialized device employed to separate solids from liquids in a mixture with unparalleled efficiency. This continuous process harnesses centrifugal force to achieve precise separation of components.
• As the mixture enters the centrifuge, the expertly engineered centrifugal force swiftly separates the solids from the liquids, demonstrating the pinnacle of separation technology.
• Following separation, the solids and liquids are adeptly discharged from the centrifuge through distinct outlets, ensuring a seamless and efficient process.
• Decanter centrifuges are prevalent in a vast array of industries such as chemical, pharmaceutical, food processing, and environmental engineering, thanks to their unrivaled proficiency.
• These centrifuges excel in separating solids that are either too fine or too dense for other methods like sedimentation or filtration, showcasing their indispensable nature.
• They are also extensively utilized to dewater sludge and effectively separate complex emulsions, further emphasizing their versatility.
• Renowned for their exceptional efficiency, these centrifuges require minimal maintenance while being capable of handling substantial volumes of material effortlessly.

• The decanter centrifuge operates on the fundamental principle of buoyancy for separation. Denser components naturally gravitate to the base of a mixture, while less dense elements float. The continuous spinning action dramatically accelerates this process, achieving a g-force similar to 1000 - 4000 G's, drastically reducing component settling time from hours to mere seconds, yielding faster, more efficient separation.

  Envision a decanter as a sedimentation tank ingeniously wrapped around an axis. In this tank, gravity causes denser solid particles to settle at the base, forming sediment. In a centrifuge, the centrifugal acceleration efficiently separates solid and liquid phases. Solid particles, being denser, migrate outward due to centrifugal force, forming sediment along the centrifuge bowl's inner wall. This results in a far more rapid and efficient separation process, leveraging approximately 3000 g compared to the 1 g of a gravitational field.
  
  

  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 3-phase decanter centrifuge, our technology seamlessly achieves the separation of three different stages in a single, efficient operation. Imagine the challenge: oil and water, with their incompatible densities, are expertly separated from a solid phase. With precision, water positions itself between the oil and solids layers, allowing for effortless extraction post-separation. Just like in the 2-phase separation, the scroll mechanism gracefully conveys the solids to their dedicated discharge points, ensuring optimum efficiency.

  Our cutting-edge three-phase separation technology finds its ideal applications in the production of high-quality edible oils, such as exquisite olive oil, and the meticulous processing of oil sludge. It is instrumental in the sustainable creation of biodiesel, among a plethora of other innovative applications.

Decanter centrifuges boast a sophisticated assembly of key components that work in unison to achieve unparalleled solid-liquid separation. These pivotal parts include:

1. As the heart of the centrifuge, the bowl is a robust cylindrical container that performs its magic while spinning on a horizontal axis. The feed pipe introduces the mixture into this dynamic environment, where the marvel of separation occurs, channeling the solids and liquids to their respective outlets.
2. This ingenious helical screw, nestled within the bowl, is driven by a motor and gracefully rotates at a slightly slower speed than the bowl itself. The scroll meticulously guides the solids to the bowl's outer wall, leveraging centrifugal force to achieve impeccable separation from the liquids.
3. Strategically positioned on the bowl's outer wall, this outlet ensures efficient discharge of separated solids with unparalleled precision.
4. Nestled at the bottom of the bowl, this outlet is dedicated to the seamless discharge of the separated liquids, showcasing the centrifuge's exceptional efficiency.
5. A powerhouse of engineering, this system encompasses the motor and vital components that drive both the bowl and scroll, ensuring synchronized operations.
6. Sophisticated sensors and components weave together to form a comprehensive system that meticulously monitors and controls the centrifuge's operations, guaranteeing optimal performance.
7. A sturdy framework and structural components provide unwavering support for the bowl and all vital centrifuge parts, ensuring stability and durability.
8. A crucial conduit, the feed pipe gracefully channels the mixture into the centrifuge's bowl, setting the stage for the separation process.
9. This reliable pump ensures a consistent and controlled flow of the mixture into the feed pipe, facilitating a smooth separation process.
10. An array of sensors and precision components harmonize to regulate the steady flow of the mixture, ensuring flawless ingress into the centrifuge.

1. Entering the centrifuge through an intake pipe, the slurry embarks on its transformative journey via a conveyor system.
2. Guided by an internal feed compartment, the conveyor masterfully propels the slurry through a nozzle, seamlessly directing it into the bowl.
3. The bowl, a marvel of engineering, spins at extraordinary speeds to generate potent centrifugal forces.
4. In mere seconds, this high-speed rotation orchestrates a remarkable transformation, separating solid material from liquid with breathtaking efficiency.
5. Ascended by the conveyor, the solid material is promptly discharged through a strategically placed nozzle.
6. With the solid material expertly removed, the purified liquid is released through an alternate output. This unparalleled ability to purify liquids renders decanter centrifuges indispensable in waste water management facilities. The versatility of these centrifuges extends to a diverse array of industries, where they play an integral role. Designed for effortless installation, without the need for a foundation, they stand as a testament to time-saving efficiency, a vital asset for numerous industrial sectors.

7. The decanter centrifuge process boasts numerous compelling characteristics that make it a highly effective solution for the separation of solids from liquids. Key features include:

8. : Decanter centrifuges are designed for uninterrupted operation, ensuring a constant flow of material processing. Their capability to handle high-volume applications makes them indispensable in large-scale environments.
9. Engineered for precision, decanter centrifuges deliver exceptional efficiency in separating solids from liquids, adeptly handling the most challenging fine or dense solids that defy conventional separation methods.
10. The versatility of decanter centrifuges lies in their adjustable parameters, such as bowl speed and scroll angle, allowing for tailored optimization of the separation process to suit a variety of material types.
11. With their low maintenance demands, decanter centrifuges are a cost-effective and reliable choice, reducing downtime and operational costs across numerous applications.
12. These centrifuges can adeptly handle a broad spectrum of materials, including diverse liquid densities, suspensions, and emulsions, showcasing their unmatched adaptability.
13. Compared to traditional separation techniques like filtration and sedimentation, decanter centrifuges offer superior energy efficiency, translating to reduced operational energy consumption.
14. Their compact design ensures that decanter centrifuges can be seamlessly integrated into existing process systems without requiring extensive modifications.

The separation medium is efficiently introduced into the infeed chamber's center of the scroll, where it gains acceleration via the feed mechanism. Throughput directly influences the residence time of the separation process.

Within the decanter bowl, the medium reaches peak velocity, effectively forcing solids to settle on the inner surface. The bowl's distinct cylindrical or conical shape enhances this separation process.

A sophisticated gear mechanism on industrial decanter centrifuges generates a crucial speed differential between the decanter bowl and the scroll, determining the solids' concentration in the output.

Precisely Tuned Pond Depth / Weir Discs

In a decanter centrifuge, clarified liquid strategically flows to the bowl's cylindrical end, exiting through meticulously adjustable weir discs/plates. These apertures allow for precise control over the bowl's pond depth, significantly influencing its filling volume.

Decanter centrifuges find extensive application across a multitude of industries, including:

1. Decanter centrifuges play a vital role in separating chemical products and by-products like acids, alkalis, and solvents. They are instrumental in the purification and dewatering processes of products such as polymers and resins.
2. In the pharmaceutical sector, decanter centrifuges excel at separating various products and by-products, including drugs, excipients, and intermediates. They are crucial for the purification and dewatering of pharmaceutical substances like proteins and enzymes.
3. Decanter centrifuges are pivotal in the food processing industry, effectively separating products and by-products like milk, juice, and fruit puree, while also purifying and dewatering items such as cheese and yogurt.
4. Decanter centrifuges are expertly engineered solutions for efficiently treating and dewatering sludge, along with other waste materials. These high-performance machines play a vital role in wastewater treatment facilities, ensuring optimal separation and purification. These centrifuges also shine in the critical task of separating oil from water, particularly during oil spill cleanup endeavors.
5. In the oil and gas sector, decanter centrifuges stand as indispensable tools for the meticulous separation of oil, water, and solids during both drilling and production processes. They are equally pivotal in purifying and efficiently dewatering crude oil alongside other petroleum-based products.
6. Within mining and mineral processing, decanter centrifuges are employed as powerful solutions for the separation of precious minerals and solids from water and other liquid mediums during ore processing and beneficiation.
7. In power generation operations, decanter centrifuges play an integral role by effectively dewatering coal and other essential fuels, ensuring efficient energy production.
8. Decanter centrifuges are indispensable in the pulp and paper industry for the thorough dewatering of sludge in paper mills, enhancing productivity and waste management.
9. Beyond these core sectors, decanter centrifuges find versatile applications in industries such as automotive, aviation, and aerospace, where they are tasked with the precise separation and purification of diverse materials.

• Renowned for their sleek design, decanter centrifuges minimize odor concerns, offering an impeccably neat appearance.
• Ease of installation, rapid start-up, and shutdown processes, coupled with a compact operational footprint, make these devices a superior choice compared to alternative methods.
• The versatility of decanter centrifuges is unmatched, as the bowl section and cone angle are adjustable to meet varying application demands. Unlike other methods, such as belt filter presses, these centrifuges can be pre-configured with multiple design curves to accurately predict and accommodate different sludge types. This adaptability allows them to proficiently perform multifaceted tasks such as thickening and dewatering.
• The machine boasts a throughput capacity that outperforms smaller alternatives.
• This efficiency reduces the number of units required, optimizing operations.
• With few significant variables and reliable feedback data, the machine is straightforward to optimize and operate, enhancing user experience.
• Labor costs are minimized as the decanter centrifuge requires limited ongoing maintenance and negligible operator supervision.
• Compared to competing methods like the belt filter process, the decanter centrifuge offers superior flexibility and performance.

• Despite its many advantages, the decanter centrifuge struggles with separating biological materials such as cells and viruses, especially when density variations are minimal. In such cases, a tubular-bowl centrifuge offers a competitive alternative.
• One notable drawback is the potential for noise and vibration during operation.
• High G-forces lead to considerable energy consumption, a factor to consider in energy-sensitive applications.
• The equipment's cost is significant, with the necessity for hard surfacing and abrasion-resistant materials on the scroll to mitigate wear and maintenance requirements.

A centrifuge is a dynamic machine that employs centrifugal force to separate solids from liquids or to distinguish components in a mixture based on density. In contrast, a decanter centrifuge is specifically designed for the continuous separation of solids from liquids.

Key Differences Between General and Decanter Centrifuges:

1. Decanter centrifuges are engineered for continuous operation, adeptly handling a steady material flow, unlike batch centrifuges that process materials in distinct batches.

1. Decanter centrifuges are engineered with a unique scroll, a helical screw strategically placed within the bowl. This scroll rotates at a slightly slower speed than the bowl itself, efficiently guiding the solids toward the bowl's outer wall. Here, the powerful centrifugal force works to separate them from the liquids seamlessly. While some centrifuge types may lack a scroll, others incorporate different conveyor systems to achieve their goals.
2. The decanter centrifuge boasts a specialized solids discharge port situated on the bowl's outer wall, expertly designed to expel separated solids efficiently. In contrast, other centrifuge varieties may employ alternate methods for solids discharge, tailored to their specific design and functionality.
3. : Decanter centrifuges excel at extracting solids from liquids with precision. Unlike their counterparts, which may serve broader applications such as density-based component separation or liquid purification, decanter centrifuges focus on this primary task with unmatched efficiency.

Overall, decanter centrifuges stand out as a highly specialized category of centrifuges, meticulously crafted for the continuous separation of solids from liquids. Other centrifuge designs might present distinct features, catering to a variety of different purposes and applications, yet none match the targeted expertise of the decanter.

The decanter centrifuge is an industrial marvel, designed for the continuous separation of solids and liquids within a mixture. Utilizing the immense power of centrifugal force, it serves an extensive array of industries. From chemical and pharmaceutical to food processing, environmental engineering, oil and gas, mining, power generation, and pulp & paper, its applications are vast and varied.
Some specific examples of what a decanter centrifuge may be used for include:
Efficiently separating chemicals like acids, alkalis, and solvents within the chemical sector.
Precisely separating pharmaceutical products, including drugs and excipients, tailored for the pharmaceutical domain.
Effectively separating foodstuffs such as milk and juice in the food processing industry.
Skillfully treating and dewatering sludge at wastewater treatment facilities across the environmental engineering spectrum.
Expertly separating oil, water, and solids during drilling and production in the oil and gas sector.
Separating minerals and other solids from liquids in ore processing and beneficiation within the mining and mineral processing industry.
Dewatering coal and other fuels, a critical process within power generation operations.
Dewatering pulp and paper sludge, vital in paper mills within the pulp and paper industry.

Indeed, a decanter is a distinct form of centrifuge. Centrifuges are ingenious machines leveraging centrifugal force to deftly separate solids from liquids or dissect mixture components based on density. A decanter centrifuge, however, is crafted with precision for the continual separation of solids from liquids, epitomizing this process.
Decanter centrifuges are distinguished by their continuous operation, featuring a scroll—a helical screw rotating marginally slower than the bowl, directing solids to the bowl's outer wall. Equipped with a solids discharge port on the bowl's outer perimeter, they find utility across a myriad of industries, including chemical, pharmaceutical, food processing, environmental engineering, oil and gas, mining, power generation, and pulp & paper.

The term 'decanter' often describes a vessel with a broad base and slender neck, traditionally used for wine. In the realm of decanter centrifuges, 'decanter' aptly describes the bowl's shape—cylindrical with a wide base and narrow neck—mirroring a wine decanter. This bowl spins horizontally, embodying the essence of its name.
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