Professional Manufacturer Decanter Centrifuge for Ddgs Separation

Product Description

Product Description
DDGS Dewatering Centrifuge for Use in DDGS Separation Process Corn, wood, rice, wheat starch, etc. are the most widely used raw materials in the alcohol industry. More and more alcohol producers after fermentation and distillation use a centrifuge to remove water, which solves the issues in large-scale conventional filtration equipment, ranging from large land occupation to high labor intensity, and high later-stage maintenance cost. At the same time, by virtue of high efficiency, stability and environmental protection, it provides guarantee for efficient dehydration, DDGS quality, and subsequent process energy conservation. When corn and cassava are used as raw materials, the high sand content in the acid solution is an important factor affecting the stability and service life of the decanter. The whole Shenzhou DDGS dewatering decanter is equipped with high-performance wear-resistant protective materials to greatly extends the maintenance cycle and ensure annual normal running time. Technical Characteristics of SHENZHOU DDGS Decanter 1. The DDGS high efficiency centrifuge fully draws on the working principle of the lamella settler. To improve the clarity of the supernatant after centrifuge separation, a certain number of solid particles capturing plates (referred to as spiral plates) are added to the screw conveyor at the clarification section. When the solid suspended particles flow through the spiral ramp, part of them can be effectively attached to the spiral ramp and slide along it into the blades of the screw conveyor to realize continuous slag discharging. Compared with common centrifuges, it can increase 20~30% in solid recovery rate.
2. The DDGS slurry produced with different raw materials through different processes has different degrees of corrosiveness, such as hydrochloric acid or sulfuric acid used at the acid chemical section, amino acid or acetic acid produced by fermentation. Therefore, the decanter has some requirements on the selection of wear- resistant materials.
3. The dehydration of solid particles relies mainly on strong centrifugal force, high-torque spin extrusion force (pushing torque), and ultra-long solid particle dehydration length. The centrifuge can generate centrifugal force exceeding 3000G, 30 ~ 50% higher than the screw pushing torque of common centrifuges. The screw pusher torque, and the drum dehydration length is 10 ~ 20% longer than that of common centrifuges.
4. The ultra-high pushing torque requires a high-torque involute planetary gear differential as the foundation. The differential equipped on the ddgs dewatering centrifuge features high torque, high speed, low heat generation, and excellent heat dispersion, which ensure that the centrifuge can be used for a long time and stably.
Product Parameters

Model	Diameter(mm)	Max. speed(rpm)	Typical speed(rpm)	Separation factor G	capacity (M3/h)	Main motor (KW)	Vice motor (KW)	Dimension: L×D×H(mm)	weight (KG)
LW150x650	150	5500	4800	2541	0.1-0.6	4	1.5	1450x800x760	500
LW250X720	250	5000	4300	3500	0.3-1.8	7.5	4	1915x1250x680	850
LW250X1000	250	4500	3800	2835	0.5-5	7.5	4	2190X1200X750	950
LW300X900	300	4200	3500	2964	1-6	11	4	2580X820X1030	1020
LW300X1200	300	4000	3300	2688	2-7	11	4	3030X820X1030	1420
LW355X1160	355	3700	3000	2721	2-8	15	5.5	2620X1300X850	1610
LW355X1460	355	3600	2900	2576	2-10	15	5.5	2900X1350X935	2150
LW400X1200	400	3600	2900	2903	3-12	18.5	5.5	2730X1600X1080	1800
LW400X1600	400	3500	2800	2744	3-15	22	7.5	3130X1600X1080	2000
LW450X1350	450	3500	2800	3087	4-20	37	11	3940X1150X1440	3500
LW450X1800	450	3400	2700	2913	4-25	37	11	4270X1150X1500	3900
LW500X1500	500	3300	2600	3049	5-30	45	11	3200X1740X1140	3600
LW500X2000	500	3200	2500	2867	5-35	45	11	3700X1740X1140	4200
LW550X1650	550	3200	2500	3154	5-35	55	22	3885X1350X1600	4000
LW550X2200	550	3000	2300	2772	5-40	55	22	5180X1270X1440	6000
LW650X1950	650	2600	1900	2460	6-60	75	30	4840X1510X1720	7000
LW650X2600	650	2500	1800	2275	6-65	90	30	5100X1800X1450	9000
LW760X2280	760	2500	1800	2660	7-100	120	37	5240X1950X1610	9800
LW760X3040	760	2400	1700	2451	7-120	120	37	5700X1950X1610	11500
LW900X2700	900	1800	1300	1542	25-140	150	37	5900X2500X2200	16000
LW900X3600	900	1600	1100	1218	25-150	150	37	6800X2500X2200	18000

Our Advantages
The advantages of our product
1. Industrial design
Whole machine set design follows concept of advanced industrial design,ensures stability,functionality and safety of whole machine.Also effectively absorbs shear force of dynamic load during operation.

2. Effectively ease resonance during rotating of bi-rotor
When centrifuge works,there is no obvious first-order and two-order resonance regions within designed speed range,meanwhile ,whole vibration intensity of bearing seat is definited within 2mm/s-4mm/s.All of this eliminates extra fatigue damage to components and assembly units from high frequency vibration during operation and sudden vibration when shut down.

3. Thoroughly eliminate phenomenon of liquid ring stalling
Phenomenon of liquid ring stalling happens during heavy duty boot or shutdown process of complete set machine,especially for LW550 and even larger models,It would makes bounce or wild shake,causes extra impact fatigue damage to main bearings,screw bearings and inner parts of rotary bowl.Fortunately ,our engineers have solved this problem thoroughly.
4. Unique technique adopt in main component work-blanks
The manufacturing methods of main component work-blanks are adopt centrifugal casting technique and overall mould-making forging technique,thoroughly avoid risks such as inter-granular corrosion and relaxation of residual stress release in welding joint.

5. Main bearing electrical components selection
We use origin bearings of international first-line brands such as S-K-F,F-A-G and so on.Electrical components mainly adopt ABB and Siemens

6. Constant temperature detection
All fashioning components and assembly units are detected in constant temperature condition,to make sure of actual processing quality meets the requirements of designed precision accuracy.

7. Inter-change ability
Whole machine physical design and processing technique adopted in critical position,ensure all assembly units and bowls of the same centrifuge model interchangeable.It is not only easy to maintain ,but also greatly improve the reliability and safety of equipment.

8. Simplyand safely in bearing disassemblement
One layer of oil film is injected into contact surfaces between bearing and work-piece by high-
pressure,during disassemblement bearing from the machine.which would fundamentally eliminate friction within different parts.As a result,it would reduce 90% of pulling force and lower the risk of damage to high-precision parts when disassemble bearing.
9.Main bearing lubrication system
There are two kinds of lubrication system for specific product models :
A thin oil lubrication
* Oil pump offers an uninterruptedly power to ensure oil works circularly;
* Jet oil lubrication constantly clean and lubricate bearings and reduce temperature;
* Oil filter system ensure lubricant's cleanliness;
* Oil pressure energy storage system ensure lubrication pump offers an extra oil supply(the pressure is no less than 0.4Mpa) for 5-6 minutes,when power fails accidentally;
* Constant temperature system is available.
B grease lubrication
* Adopt a grease with properties of extreme pressure resistance ,oxidation resistance ,abrasion resistance,water scour
resistance,corrosion-proof and high temperature resistance.
* Optional automatic grease system fills grease on main bearing at designed hours and quantity.
10. Main bearing BH device (patent design)
There are two spare safe bearings at either end of main bearing.When machine works well,they keep certain clearance from bearing inside track to chief axis.When unexpected condition occurs,main bearing got damaged or circle center deviation causing an amplitude of vibration reaches to designed clearance,safe bearings begin to work as main bearing Meanwhile,computer automatic control system would get a feedback of abnormal vibration value on bearing position immediately then activates emergency shutdown and goes a smooth shut down.This system protects machine free from damaging and ensure production safety.

11. GSRL feeding device (potent design)
New design of internal spiral core tube has got following achieves.Without reducing centrifugal acceleration,shorten triangle belt's traction time,reduce disorder of swirling flow and extend separation time.Meanwhile increases inner working pressure of centrifuge,and restrains liquid foaming

Detailed Photos
Productive process
Workshop

Company Profile
1. Shenzhou Machinery Equipment Co., Ltd. is a professional centrifuge supplier.
2.We have an experienced team and professional design institute with over 30 years of experience in centrifuge machinery.We sincerely invite you to visit, If it's not convenient for you to come to our factory, you can also visit by telephone video conference.
3.Our products are exported to many countries and areas, such as the USA, Korea, India, Indonesia,Thailand, Vietnam,Japan, Denmark,Romania, Bulgaria,Russia,South Africa, and so on.
4.At the same time,our product with best prices and good quality,welcome to Shenzhou!

FAQ
Q1: Where can I get product & price information?
A1: Send us inquiry or email directly, then we will contact you.
Q2: How can I make sure your machinery is suitable for me?
A2: Please tell all the separation information you know, such as your raw liquid,
two-phase or three-phase separation, solid content in liquid, solid size, the purpose, etc. After analyzing your information, we will to choose a suitable model for you, and send the details and videos to you.
Q3: What should I do if I want to see the separation effect?
A3: If you can come to our factory with the raw liquid, we will provide test service. Or you deliver the raw liquid to us, and we will do a test, and supply you the testing videos.
Q4: How to enjoy the OEM services?
A4: As the manufacturer of the machine, we will try our best to satisfy you if you have any specific requirement, such as the cover device, drum size, motor voltage, etc.

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