Industry Ddgs Decanter Centrifuge for Bioethanol Production,specification,price,image-Bio-Equip in China

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Industry DDGS decanter centrifuge for bioethanol production

DDGS Industry
Ethanol is produced by processing grains (corn, wheat, barley, rye) using the dry grinding method named DDGS which stands for Distiller's Dried Grains with Solubles. In production of ethanol, ethyl alcohol is produced through fermentation of starch (sugar). A byproduct of the process, which is "distilled grain + soluble matters" is feed raw material. Remaining parts of the grains preserve most of the initial nutritional value of the grain including energy, protein and phosphor. Dry grinding plants recover those parts and utilize them as various feed raw materials.

2 types of DDGS production is carried out in the Industry as Dry Production and Wet Production.

In wet production system corn grains are divided into a number of fractions and processed into miscellaneous food byproducts (corn oil, corn flour, gluten, starch, ethanol, fructose syrup).

Ethanol and DDGS are obtained as final products in the dry production process. Decanter centrifuge is used for dehydration of a product which was subjected to ethanol extraction. It is possible to generate energy from the liquid phase by establishing a biogas plant if requested.

Process
Delivered to the distillation towers for separating the alcohol following fermentation, the product is distilled in those towers to extract the alcohol content. Solid - liquid mixture produced upon fermentation is fed to the decanter for dehydration. Solid phase dehydrated in the decanter is then delivered to the drying process. Dehydration process is very important in terms of combustion of grain, change of color, combustion of nutrients and change of their rates. If to be utilized as bovine feed, decanter solid output can be used directly without performing drying process. Drying is required in case of ovine and fish feeds. DDGS product to be stored shall be stored below %15 humidity rate. Wet DDGS will produce mold after a certain period.

DDGS Dewatering Process Flow

Reference standard

Technical parameter

Model	Diameter(mm)	Lenght(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	950	21201250680
LW300*900	300	900	4200	3	2964	1-6	11	1160	21501300900
LW300*1200	300	1200	4000	4	2784	2-6	11	1350	24501300900
LW355*1160	355	1160	3600	3.3	2576	2-8	15	1400	24701350830
LW355*1460	355	1460	3600	4	2576	2-10	15	1800	27501350830
LW400*1200	400	1200	3200	3	2294	3-12	18.5	1800	273016001080
LW400*1600	400	1600	3000	4	2016	3-15	22	2000	313016001080
LW450*1800	450	1800	2800	4	1976	4-25	37	2500	332017001130
LW500*2000	500	2000	2800	4	1750	5-35	45	4000	352018001170
LW530*1855	530	1855	2600	3.5	2006	5-38	55	4680	388513501600
LW530*2120	530	2120	2400	4	1709	5-40	55	4800	415013501600
LW550*2000	550	2200	2800	4	2414	6-40	55	5700	457013801600
LW650*1950	650	1950	2200	3	1761	6-45	75	5000	484015101720
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	520016001800
LW720*2880	720	2880	2000	4	1306	7-90	120	8000	310016001800
LW800*2400	800	2400	1800	3	1451	20-100	150	12000	582020001300
LW800*3200	800	3200	1800	4	1451	20-120	150	13000	710020001300

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Decanter centrifuge .

Horizontal spiral centrifuge discharge settlement activity by the method can be divided into two kinds, by parting the number of phases can be divided into two-phase and three-phase type parting parting type, according to the structure can be divided into ordinary distinction type, explosion-proof and airtight type three. Is a very broad use of centrifuges, mainly used to obtain relatively dry cake (solid phase deliquoring) or more clear parting liquid (liquid clarification). It can be used to leave a suspension of solid particles containing ≥0.005mm can also be used for classification of solid particles, the filter cloth is more suitable for regeneration of the parting material difficult, and the concentration of the particles of the suspension changes to a wider range of liquid, washing the filter cake also.

Widely usage of decanter centrifuge.

1. Industrial and domestic sewage separation and dehydration.
2. Chemical: gypsum, kaolin, graphite, fertilizer, resins, dyes, pigments, such as dehydration purification.
3. Food and feed categories: fish meal and fish dehydration, fruit juice and pulp fiber separation, soybeans, wheat protein dehydration, xylitol, corn fiber dehydration, DDGS and so on.
4. Plants and traditional Chinese medicine extraction: honeysuckle extract, tea polyphenol extract, wheat bran extract and so on.