LWS Sludge Dewatering Decanter Centrifuges
The LW Sedimentation Centrifuge is a solid-liquid separation tool used in various industries. This horizontally operating, continuously discharging machine separates solid-liquid suspensions, removes liquid phase with graded grains, and dehydrates sludge.
Experience maximum dewatering and thickening capabilities with our LW series decanter centrifuges, designed for use in municipal and industrial wastewater treatment. These high-quality machines are ideal for meeting all of your dewatering needs.
This product offers a generous size, medium rotating speed range of 2000-2200r/min, and a large processing capacity. It also allows for continuous operation and stable performance, resulting in a high production capacity. Additionally, it is designed for convenient maintenance with two aspect ratios to choose from.
It has been applied in various industries such as ceramics, thermal power plant desulfurization, particle classification, magnetic particle treatment, sewage treatment, pharmaceuticals, food production, laboratories, petroleum, new energy, biology, chemical fiber, polymer materials, leather, and cosmetics.
2 Phase Decanter Centrifuge:
Once inserted into the high-speed turning drum, solid-phase particles in the mixed liquid are distributed and adhere to the drum wall due to the greatest centrifugal force, while the light liquid is settled at the innermost part of the drum with the least centrifugal force. In alignment with the drum’s direction, a high-speed screw feeder operates at a continuous speed, creating a constant speed difference through the differential mechanism, ultimately releasing the liquid through the liquid outlet.
| Model | Diameter(mm) | Length(mm) | Max speed | L/D ratio | G-force | Capacity(m3/h) | Main motor power(Kw) | Weight(kg) | Dimension(mm) |
|---|---|---|---|---|---|---|---|---|---|
| LW250*1000 | 250 | 1000 | 5000 | 4 | 2722 | 0.5-5 | 7.5 | 1600 | 2120*1250*680 |
| LW300*900 | 300 | 900 | 4200 | 3 | 2964 | 1-6 | 11 | 1900 | 2150*1300*900 |
| LW300*1200 | 300 | 1200 | 4000 | 4 | 2784 | 2-6 | 11 | 2700 | 2450*1300*900 |
| LW355*1160 | 355 | 1160 | 3600 | 3.3 | 2576 | 2-8 | 15 | 2750 | 2470*1350*830 |
| LW355*1460 | 355 | 1460 | 3600 | 4 | 2576 | 2-10 | 15 | 2850 | 2750*1350*830 |
| LW400*1200 | 400 | 1200 | 3200 | 3 | 2294 | 2-12 | 18.5 | 3100 | 2730*1600*1080 |
| LW400*1600 | 400 | 1600 | 3000 | 4 | 2016 | 3-15 | 22 | 3260 | 3130*1600*1080 |
| LW450*1800 | 450 | 1800 | 2800 | 4 | 1976 | 4-25 | 37 | 3250 | 3320*1700*1130 |
| LW500*2000 | 500 | 2000 | 2800 | 4 | 1750 | 5-35 | 45 | 4000 | 3520*1800*1170 |
| LW530*1855 | 530 | 1855 | 2600 | 3.5 | 2006 | 5-38 | 55 | 4680 | 3885*1350*1600 |
| LW530*2120 | 530 | 2120 | 2400 | 4 | 1709 | 5-40 | 55 | 4800 | 4150*1350*1600 |
| LW550*2000 | 550 | 2200 | 2800 | 4 | 2414 | 6-40 | 55 | 5700 | 4570*1380*1600 |
| LW650*1950 | 650 | 1950 | 2200 | 3 | 1761 | 6-45 | 75 | 5000 | 4840*1510*1720 |
| LW650*2600 | 650 | 2600 | 2000 | 4 | 1456 | 6-65 | 90 | 6000 | 5490-1510*1720 |
| LW720*2160 | 720 | 2160 | 2000 | 3 | 1612 | 7-80 | 120 | 6000 | 5200*1600*1800 |
| LW720*2880 | 720 | 2880 | 2000 | 4 | 1306 | 7-90 | 120 | 8000 | 3100*1600*1800 |
| LW800*2400 | 800 | 2400 | 1800 | 3 | 1451 | 20-100 | 150 | 12000 | 5820*2000*1300 |
| LW800*3200 | 800 | 3200 | 1800 | 4 | 1451 | 20-120 | 150 | 13000 | 7100*2000*1300 |
Operating Principle
Working Procedure
The decanter can effectively utilize limited space to accommodate various stages of separation, as per the merchant’s instructions and the provided tone guidelines.
Mixing And Accelerating Stage
The specially designed feed chamber mixes sludge and chemicals together, accelerating their reaction. This process prepares the sludge for optimal separation.
Clarifying Stage
The flocculants are pulled towards the center of the bowl due to centrifugal force, while the clearer liquid exits through the weir at the end of the bowl.
Pressing Stage
The conveyor moves the solid material towards the discharge end, where centrifugal force presses the sludge and expels water through small holes.
Double-Direction Pressing Stage
In the conical section of the bowl wall, the sludge is squeezed by a unique double-direction pressing effect. The custom conveyor generates axial compression force, causing water to be expelled through minuscule openings in the sludge.
Optimal Dewatering
Advanced Control of Solid Retention Achieve perfect dewatering performance even with varying sludge flow rates and characteristics by continuously adjusting the solid content in the bowl. The conveyor’s drive system utilizes real-time measurements to automatically compensate for solid discharge torque.
Drive Technology
According to the Shanghai Centrifuge Institute, proper cooperation between the bowl and conveyor drives is essential for reliable and excellent operation. Their research has identified the best drive combination for various applications, making it the ideal design choice.
Bowl Drive System Alternatives Includes:
- Conveyor Drive System
- AC Motor+ Hydraulic Coupling
- Other Special Ways
- AC Motor+ Frequency Converter
Separation Technique
- Separation effect factors Centrifuging factor ,length to diameter ratio of cavity, depth of fluid pool.
- Feeding-gravitational separation-liquid discharge-sediment discharge.
Field Control
Bowl rotating speed ,rotative speed difference, between, spiral pusher and bowl depth of liquid pool.
In the production of surimi, the shredded fish fillets will go through two to three cleaning processes. In this process, impurities such as blood and fat are washed away. The washing water is usually roughly filtered through a rotating sieve. In traditional surimi production, the dehydration of fish meat is done by a screw press. The meat is then treated with antifreeze and deep-frozen. This surimi production method has many disadvantages: Different washing stages and screw pressing process lead to a large amount of fish fiber loss.
1.Need a lot of cleaning water
2.Huge space requirement
3. The raw material is easy to be infected with bacteria The Allcentrifuges decanter centrifuge can solve all the above problems. In the production of surimi, the decanter centrifuge can not only recover the fish meat from the washing water, but also replace the screw press. In this way, the output rate of the surimi production process can be significantly improved.
Helical pusher adopts the special antifriction method: The durability and longevity of the equipment is ensured through the use of anti-corrosion stainless steel for the main components, and the addition of anti-friction disks with sprinkle hardness alloy or inlay hardness alloy.
Optimize the drum length-diameter ratio, drum structure and taper parts based on the material’s operating conditions.
Application
Wastewater Treatment:
- Sludge dewatering.
- Municipal and industrial wastewater treatment.
Chemical Processing:
- Clarification of chemical suspensions.
- Separation of fine particles and liquids.
- Solids-liquid separation in chemical manufacturing.
Oil And Gas Industry:
- Separation of oil, water, and solids in drilling mud.
- Recovery of drilling fluids.
- Oil and gas processing for solids removal.
Food And Beverage:
- Clarification and purification of beverages.
- Separation of solids from food processing liquids.
Pharmaceuticals And Biotechnology:
- Bioprocessing applications.
- Clarification and purification of pharmaceutical products.
Environmental Remediation:
- Treatment of contaminated groundwater.
- Soil washing and remediation.
Mining And Minerals:
- Separation of valuable minerals from ore.
- Tailings dewatering.
Pulp And Paper Industry:
- Removal of fine solids from pulping processes.
- Recovery of fibers from paper mill effluents.
Biomass And Renewable Energy:
- Processing biomass for biofuels.
- Separation of algae and biomass in renewable energy production.
Chemical And Petrochemical:
- Solids-liquid separation in chemical and petrochemical plants.
- Removal of impurities from process streams.
Mining And Drilling:
- Solid-liquid separation in mining operations.
- Drilling fluid recovery in oil exploration.
Dairy Industry:
- Separation of milk and cream.
- Whey processing.
Paints And Coatings:
- Clarification and purification of paint and coating formulations.
- Removal of solids from paint manufacturing processes.
Textile Industry:
- Separation of dyestuffs and pigments.
- Wastewater treatment
Reviews
There are no reviews yet.