Model NO.: LW
Trademark: HJ
Origin: Liaoning, China
HS Code: 8421192000
Model NO.: LW
Trademark: HJ
Origin: Liaoning, China
HS Code: 8421192000
Wide-ranging performance
Hongji Separator's decanter centrifuges offer exceptional performance in separating solids from liquids, enabling continuous, efficient, and controlled operation. These machines are designed to handle a wide range of solid particles, with sizes ranging from 5mm down to a few microns. They can also manage slurries with solid content as low as 0.1% w/w up to over 65% w/w.
2-phase separation
- 1. Feed
- 2. Liquid phase
- 3. Solids phase
- 4. Pond
- 5. Dry beach
The feed suspension is introduced through an inlet pipe into the feed zone of the conveyor, where it is accelerated and directed into the bowl. The settled solids are conveyed axially towards the small end of the bowl by the screw conveyor, which rotates slightly faster than the bowl. As they move toward the discharge ports, the solids are lifted out of the pond along the dry beach. They are then discharged through the ports into the collecting chamber of the casing. From there, they are removed via gravity through the outlet funnel. The liquid forms a hollow cylinder due to centrifugal force and flows toward the large end of the bowl. It overflows adjustable plate dams into the centrate chamber and is discharged by gravity.
3-phase separation
- 0. Feed
- 1. Light liquid phase
- 2. Heavy liquid phase
- 3. Solids phase
The light liquid phase is discharged through radial holes in the large end hub, while the heavy liquid phase exits through axial holes. The radius for the light liquid is smaller than that for the heavy one. The liquid level is controlled by plate dams. A separating plate prevents the light liquid from exiting through the heavy liquid outlet. The heavy liquid must pass under this plate before being discharged. The differential speed is adjusted automatically via VFD.
Features
All components in contact with the product are made of stainless steel. A 3-phase AC motor enables controlled torque starting via frequency converter. Bowl speed is adjustable via VFD to achieve optimal G-force for separation. The pond depth in the bowl is adjustable to balance between liquid clarity and solids dryness. Conveying speed is also adjustable for optimized performance. Low personnel costs due to continuous and automatic operation. High G-force ensures higher solids output. Automatic adjustment of differential speed via VFD. Two motor drive system with belts for both primary and secondary motors.
Materials
The bowl, conveyor, inlet tube, outlets, cover, and other parts in direct contact with the process media are all made of stainless steel. Discharge ports, conveyor flights, and feed zones are protected with highly erosion-resistant materials. The frame is constructed from mild steel with an epoxy enamel finish.
Wear Protection
Hongji Separator offers a wide range of wear protection solutions tailored for different applications, including: welded hard facing or spray coating, ceramic, tungsten carbide tiles, chilled hard metal portcastings, and plastic liners.
Design
The rotating assembly of these avocado oil tricanter centrifuges is mounted on a compact, in-line frame with main bearings at both ends. Vibration dampers are placed beneath the frame. The rotating part is enclosed in a casing with a cover and a bottom section featuring integrated outlets for both solids and liquid.
Decanter Centrifuge Drive System
One motor drive: This simple design is cost-effective and suitable when solids volume is constant, easy to convey, and residual water content requirements are not strict. The input shaft is driven by the main motor via a belt drive, generating differential speed based on bowl speed and gear transmission. Belt pulleys can be easily replaced for adjustments.
Two motor drive: Enables cost-effective differential speed regulation under good operating conditions. The secondary motor drives the gear input shaft, generating differential speed based on bowl speed and gear transmission. Differential speed can be adjusted by changing motor speed. Used when solids volumes fluctuate, when conveying is difficult, or when stringent residual water content requirements exist.
Hydro drive: Similar to two motor drive but uses a hydromotor instead of a mechanical gear, supplied with hydraulic regulation from a pump unit. Differential speed is proportional to oil flow, allowing automatic regulation without issues.
Technical Specification
Hongji Separator has been developing and manufacturing decanters for over 15 years and is among the leading manufacturers in China. With extensive experience in industrial and municipal wastewater treatment, Hongji provides reliable and efficient decanter centrifuges.
Models |
Diameter (mm) |
Rotation rate (r/min) |
Centrifugal Force |
Motor Power (kw) |
Productivity (m³/h) |
Weight (kg) |
Dimension (L*W*H) mm |
LW250x900 |
250 |
5400 |
4000 |
11 |
1-5 |
1050 |
1800*1200*600 |
LW360x1200 |
360 |
1200 |
4200 |
15 |
3-12 |
2100 |
2600*1580*1040 |
LW360x1500 |
360 |
4200 |
3550 |
22 |
3-14 |
2600 |
2900*1600*1040 |
LW420x1750 |
420 |
4000 |
3750 |
37/45 |
6-30 |
3500 |
3120*1580*1070 |
LW420x2100 |
420 |
4000 |
3750 |
45 |
6-35 |
4100 |
3450*1580*1070 |
LW500x2000 |
500 |
3800 |
4000 |
45/55 |
10-40 |
6500 |
3600*2300*1400 |
LW500x2500 |
500 |
3800 |
4000 |
55/75 |
12-45 |
7200 |
4100*2300*1400 |
LW550x1900 |
550 |
3200 |
3154 |
45/55 |
13-50 |
4600 |
3400*1810*1110 |
LW550x2400 |
550 |
3200 |
3154 |
55/75 |
13-55 |
5600 |
3900*1810*1110 |
LW650x2000 |
650 |
2650 |
2500 |
55/75 |
15-65 |
7100 |
4000*2300*1400 |
After Service
Technical service includes guidance during installation and commissioning, as well as training for operators and maintenance staff. Training covers separator working principles, operational regulations, and machine maintenance.
Experience
With nearly 60 years of experience, Hongji Separator is one of the leading manufacturers in China. Their expertise in applying and using decanter centrifuges for continuous separation sets them apart from others in the industry.
FAQ
1. Is your price competitive?
Our price may not be the lowest in China, but we guarantee high quality and excellent performance. For the same quality and configuration, our price is the most favorable, and for the same price, our quality is definitely superior to other brands.
2. Do you have OEM service? Do you supply the parts?
Yes, we do. Please provide us with your drawings and detailed requirements.
3. Do you have agents or service centers in my country?
We have partnerships in several countries such as Indonesia, Brazil, and the USA. You are welcome to become our agent. Currently, we don’t have service centers abroad, but we can provide timely on-site and online technical support.
4. How can we find the most suitable centrifuges?
Our experienced engineering team can help you choose the right model if you provide us with detailed material characteristics.
5. What payment methods do you accept?
We accept TT, LC at sight, or other agreed methods.
Note: The production capacity is based on water only and is for reference. Different feeding solutions will result in different capacities.
If you have special requirements, please feel free to contact us.
Contact Information:
Contact name: Jessie Zhao
Phone: +86-18641998048
WhatsApp: +8618641998048
Skype: +8618641998048
WeChat: 18641998048
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