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Bühler DRStable and consistent optical sorting for rice.
Innovations for a better world.
Optical Sorting from Bühler.An integral part of the rice processing industry.
The Bühler DR is a cost effective rice sorting solution for processors looking for an optical sorter to deliver a reliable and consistent sorting performance.
Designed for mainstream, everyday sorting, removing obvious defects including yellows, pecks, streaks and foreign materials.
Featuring Bühler proprietary technologies including custom-built cameras, LED lighting and processing software that help maintain peak performance and capacity throughout the day.
Why Bühler?
� Stable and consistent performance
� Simple ease of use
� Trusted Bühler design and reliability
� Performance with great value
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Bühler DR optical sorter.
Stable and consistent optical sorting for rice.
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Stable and consistent.Bühler DR optical sorter.
Featuring Bühler developed processing software, custom-built cameras and LED illumination system, the Bühler DR offers processors Bühler’s optical sorting technology and processing expertise for a reliable, cost-effective performance.
High processing capacity
Available with up to 7 chutes to deliver up to
10 tonnes per hour
LED illumination
Enhanced defect recognition through long-life
LED solid state illumination
Custom-built cameras
Front and rear high resolution CCD visible
cameras to detect all common defect types
In-depth product analysis
Maximises yield and ensures high reject ratio with
the availability of primary, secondary and tertiary
sorting function
In-built fault alert capacity
Maximises uptime and ensures faster service
responses
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Product modes
Pre-defined sorting modes are stored for fast
product changeover
Long-life powerful ejectors
64 powerful, high speed ejectors per chute for
accurate rejection of defects
Fixed background
Static background ensures that all vibration is
minimised
Bühler robust design quality
Designed and constructed to Bühler’s high quality
standard
Easy to operate
User friendly graphical interface
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Bühler DR optical sorter.
Stable and consistent optical sorting for rice.
Precision and Power.First choice technology partner in rice sorting.
JasmineBasmati Parboiled Short grain
Suitable for all rice varieties.
Red Brown
Discoloured grains, by-product and foreign material can all affect food safety and product value. Bühler technology significantly reduces these issues to maximise yield, increase profitability and ensure consistent product safety.
Short grain Parboiled
Trials conducted by Bühler experts
on short grain white rice showed the
successful removal of spots, peck
and various foreign materials
including husks, stones and seeds.
Accept Reject
Bühler trials on parboiled rice
showed the successful removal of
various rice discolouration from the
sample, including black tips,
yellows, streaks and foreign
materials.
White rice
Sample tests on white rice showed
the removal of challenging defects
such as greys, yellows, streaks and
immature grains along with foreign
materials.
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Bühler DR optical sorter.
Stable and consistent optical sorting for rice.
Bühler DR technology.Optical sorting for rice.
LED lighting
Long life and improved operational stability
Combining LED lighting systems with fixed backgrounds and
low voltage vibrator, the Bühler DR auto-adjusts varying light
levels, minimising vibrations and producing consistent
throughput across the chute.
Long life parts
The long-life low consumption LED illumination targets
defects within the entire visible spectrum.
Consistent performance
Reliable performance and robust build quality
Built to Bühler’s stringent quality and product design
standards for longer life span and consistent performance.
Durability and consistent performance
Combination of cameras, LED lighting and high speed
ejectors allows the Bühler DR optical sorter to operate at
its peak performance over a long period of time.
Simple ease of use
Proprietary operating system
Bühler operating system and processing software
embedded on an easy to use GUI.
Effortless product changeover
Supports nine user-defined modes for effortless handling
of product changeover.
High productivity
Alert and performance monitoring capability - maximising
uptime and ensuring faster service responses.
Flexible module configuration
Delivering capacities of up to 10 tonnes per hour
Available with up to 7 modules.
Reliable sorting performance
Bühler inspection systems reliably detect colour defects;
spots, chalky, peck, yellows and various foreign material.
Flexible configuration for a balanced and stable
sorting performance
Easily configured for primary, secondary and tertiary
sorting to deliver higher yields.
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Bühler DR optical sorter.
Stable and consistent optical sorting for rice.
Remarks: The capacity listed above is based on tests of input rice with 5% contamination.Figures will vary based on machine specifications.
*Figures will vary based on throughput and input contamination levels.
Bühler DR 84
Single split chute
Bühler DR 320
For 5 chutes
Bühler DR 448
For 7 chutes
Length (mm) 1,130 2,523 3,000
Depth (mm) 1,540 1,718 1,718
Height (mm) 1,520 2,020 2,020
Weight (kg) 410 1142 1,535
Air Pressure 0.6 - 0.8 Mpa 0.6 - 0.8 Mpa 0.6 - 0.8 Mpa
AspirationChute: 2 X 10 m³/min / Receptacle:
10 m³/min
Chute: 2 X 10 m³/min / Receptacle:
10 m³/min
Chute: 2 X 10 m³/min / Receptacle: 2 X
10 m³/min
Voltage 220V~240V AC +/-10%, 50/60 Hz 220V~240V AC +/-10%, 50/60 Hz 220V~240V AC +/-10%, 50/60 Hz
Power 1kW 3 kW 2.8~4.2 kW
Capacity* 1-2 tonnes/hour up to 7 tonnes/hour up to 10 tonnes/hour
Air consumption ≤0.9m³/min ≤3.2m³/min ≤4.5 m³/min
Dimensions, air and power requirements
Technical specifications.Bühler DR Optical Sorter.
Bühler DR
LENGTH
HE
IGH
T
HE
IGH
T
DEPTH
Remarks: Example of possible configuration. All Bühler optical sorters have flexible configuration to meet variable processor requirements.
1.5 Chute Frame
84 channels
5 Chute Frame
320 channels
7 Chute Frame
448 channels
Primary Sort 62 256 / 192 320 / 256
Secondary Sort 20 64 / 64 128 / 128
Tertiary Sort 64 64
Flexible configuration: for example.
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Bühler DR optical sorter.
Stable and consistent optical sorting for rice.
Providing global customer support through a variety of solutions including maintenance, spare parts and training courses.
With over 150 years of experience and 30,000 optical sorters installed around the world, Bühler works in partnership with rice processors to deliver productivity and profitability.
In the region – for the region:Centres of competence, training and service.
Europe
South East Asia
Braunschweig - Germany London – United KingdomUzwil - Switzerland
Bangkok – ThailandHo Chi Minh City – VietnamJakarta – IndonesiaSingapore – Singapore
South Asia
ChinaWuxiShenzhenHefei
Middle East & AfricaNairobi - Kenya Abidjan – Côte d’Ivoire
Bangalore – India
North America
South America
Stockton – USAMinneapolis – USA
Joinville – BrazilBlumenau – BrazilBogata – Colombia
Middle East Dubai - United Arab Emirates
Over 150 Years Experience
No. 1 supplier of solutions to many
industries
Over 25,000 optical sorters
installed worldwide
48 hour global parts availability
Present in 140 countries
Local presence for fast local service
Bühler Centre of Competence, research, manufacturing, training and service station for rice sorting:
Application CentreResearch CentreProduction and EngineeringTraining AcademyService Stations
Bühler Sortex Optical Equipment (Hefei) Co., Ltd.
219 Ming Chuan Road,
National Hi-New Technology
Industrial Development Zone
Hefei, Anhui, China
T +86 0551 638 41 262
buhlergroup.com/optical-sorting
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