Advanced Dry Grinding, Feeding & Injection Technologies ...
Transcript of Advanced Dry Grinding, Feeding & Injection Technologies ...
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Advanced Dry Grinding, Feeding & Injection Technologies for the Environment
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Co-Developer of Sodium Dry Injection TechnologyMarket Leadership
‣ In the 90s, STM led the world in dry grinding for gas cleaning applications by co-developing a novel gas cleaning approach with a world-leading chemical supplier.
‣ This system is known today as Neutrec.
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STM Serial No. 1. Reggio Emilia, Italy
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Continuing R&D Market Leadership
‣ There is no company with more mills installed on Sodium-based gas cleaning systems.
‣ Today’s STM is regarded as the premier supplier for grinding Sodium Bicarbonate and Trona with the most advanced mill design.
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STM Serial No. 207. The Latest Design
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Grinding, Dosing and Injection Product RangeGas Cleaning Systems
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Sorbent Reagent Systems
BicarMill®Full-feature Grinding Mill,
Including Optional Soundproof Enclosure
JCF Grinding Mill for Retrofit Applications
JCF-FGrinding Mill with Single
Filtration, Single Machine, 5 Injection Lines
Compact Compact Mill, Simple and Economical
MF In-Line Crusher/Delumper
Feeding & Injection Systems
MDS-ACMicro-doser, Reagent
Injection with Compressed Air
MDS-P Micro-doser, Reagent Injection with Blower
MDS-VSMicro-doser, Reagent
Injection with Blower and Cross-flow Valve
MDD Double Micro-doser
MDS-A Micro-doser, Slurry Reagent Injection
BD Distributor, Multi-outlet
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STM Systems are Approved by SolvayApprovals
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Summary: We note that 90% of SOLVAir® clients are actually satisfied with the use of machinery produced by the following companies: (In alphabetical Order): STM Every customer of grinding systems planning on using SOLVAir® Solutions in a plant must contact one of these suppliers. SOLVAY underlines that its objective is not to promote one supplier over another. The final choice should be carried out by choosing, in all cases, the offering that is best suited to the characteristics of the project and to the expectations of the main contractor.
Date : 07/03/2013
Author : BDJ Reference document SOLVAir® DR 063
Controller : MTI, PGT
Sodium Bicarbonate Grinding Systems Manufacturers Contact List
Diffusion : free
The information contained in this document is given in good faith and by way of information at the time of publishing. SOLVAY does not engage its responsibility. The use of our products is for the treatment of flue gases, excluding all others uses and applications. The buyer is required to monitor and respect, in its sole liability, the conditions under which our products are stored and used in its territory, to provide all required information to the user, and to respect all existing patents and all regulations applicable to our products and to its activity.
Sodium bicarbonate grinding
Grinder manufacturers CONTACT LIST
DR SOLVAir® 063 Revision : 4 Page 1/2
©SOLVAY 2013
Note: Other suppliers recommended by SOLVAir® are NOT shown on this slide
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Optimal System for Each ApplicationGas Cleaning Systems
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Combustion ProcessSystem Type and Typical Reagent
Grinding System Dosing and Injection System
Technical Grade Sodium Bicarbonate Trona Activated
Carbon
Ready to Use (Lime,
Limestone, etc.)
Sodium Bicarbonate +
Activated CarbonIndustrial and Hazardous
Waste Incineration • • • •
Biomass • • • •Cement • • •Power • • •
Water Treatment • • •Metals Recovery Furnace • • • •
Cremation • • • •General Combustion: Heavy
Fuel Oil and Natural Gas • • •
Municipal and Hospital Waste Incineration • • • •
Steel and Foundries • • • •Glass • • •
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Typical Reductions Possible Using Dry ScrubbingEmissions Reductions
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Capture Mechanism Pollutant (mg/Nm3) EmissionsFabric Filter Particulate (mg/Nm3) <1
Sodium Bicarbonate
HCl (mg/Nm3) <5
SOx (mg/Nm3) <2
NOx (mg/Nm3) N/A
HF (mg/Nm3) <4
Activated Carbon
Heavy Metals (mg/Nm3) <0.05
Dioxins/Furans (ng/Nm3) <0.05
Cadmium (mg/Nm3) <0.001
Mercury (ng/Nm3) <0.001
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Characteristics of Various MethodsGas Cleaning Comparison
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Process Sodium Sorbent Carbon Calcium Sorbent
Reagent Sodium Bicarbonate Trona Activated
CarbonLow Temp
Hydrated LimeHigh Temp
Hydrated Lime
Stoichiometric Ratio 1.2-1.4 1.8-2.5 Iodine Index 600-1050 mg/g 1.2-1.8 3.5-6.0
Gas Temperature 140-380 °C 140-380 °C 150-180 °C 80-120 °C 200-300 °CReaction Time >2 Sec >4 Sec On Filter On Filter On Filter
Weight After Reaction 30% HCl 16% SO2
30% HCl 16% SO2
- 50% HCl 83% SO2
50% HCl 83% SO2
HCl Efficiency >99% >95% - >95% 50-90%HF Efficiency <5mg/Nm3 <10mg/Nm3 - <10mg/Nm3 -SO2 Efficiency >98% >90% - >90% 80%
Heavy Metals Efficiency - - Excellent - -Dioxin/Furan Efficiency - - Excellent - -
Waste Recyclability Yes Yes Yes No No
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Hammermills for Gas Cleaning ApplicationsSTM Milling Systems
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The Basic JCF DesignSTM JCF Hammermill
‣ Full-feature classifying mill coupled to a transport air fan.
‣ Ideal for single-point gas cleaning plants and for retrofit applications.
‣ Operational advantages: ‣ Maximum energy efficiency ‣ Low noise emissions ‣ Minimal maintenance needs ‣ Compact, small space requirement ‣ High reliability and quality ‣ Ease of maintenance
10Basic JCF Mill
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Equipment Specifications and CapacityTechnical Data JCF Mills
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Model Installed Power
Absorbed Power Capacity* Air Flow Pressure Noise
Type/Size kW kW Range kg/h m3/h mm H2O dbA
JCF 300 18.4 16.6 10-250 800 500 <75
JCF 400 29.2 26.3 40-450 1500 800 <75
JCF 630 64.2 57.8 100-1000 2700 800 <75
JCF 800 98.0 88.2 100-1400 4700 1000 <75
JCF 1000 129.0 116.1 100-1800 6000 1000 <75
JCF 1250 205.0 188.7 120-2925 9750 1000 <75
JCF 1500 284.0 261.2 150-4050 13500 1000 <75
*Capacities Stated for Sodium Bicarbonate
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JCF/JCFF MillOperational Schematic
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JCF/JCFF MillAirflow Schematic
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Ambient Air
Mill Exhaust
Sorbent Propulsion
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Mill with Pneumatic Cylinder Removal AssistJCF 300 Compact Mill
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Mill with Pneumatic Cylinder Removal AssistJCF 400 Compact Mill
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JCFF Series Mill for Indirect DosingJCFF Indirect Injection Mill
‣ Full-feature classifying mill coupled to a transport air fan and a filter/receiver.
‣ Ideal for complex gas cleaning plants with multiple injection points.
‣ Operational advantages: ‣ Modular and flexible arrangement ‣ Stockpile applications possible ‣ Ideal for multi-injection points ‣ Useable with multiple dosing systems ‣ Replaces multiple mills for cost savings
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JCFF Mill A - Dosing System B - Mill C - Filter/Reciever D - Suction Fan
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Equipment Specifications and CapacityTechnical Data JCFF Mills
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Model Installed Power
Absorbed Power Capacity* Air Flow Pressure Filter Size
Type/Size** kW kW Range kg/h m3/h mm H2O m2
JCFF 300 18.4 16.6 10-250 800 500 12
JCFF 400 29.2 26.3 40-450 1500 800 24
JCFF 630 64.2 57.8 100-1000 2700 800 30
JCFF 800 98.0 88.2 100-1400 4700 1000 55
JCFF 1000 129.0 116.1 100-1800 6000 1000 91
JCFF 1250 205.0 188.7 120-2925 9750 1000 148
JCFF 1500 284.0 261.2 150-4050 13500 1000 205
**Larger Capacities Available For Large Installations *Capacities Stated for Sodium Bicarbonate
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JCFF Series Mill with Multiple Dosing UnitsJCFF Indirect Injection
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JCFF w/Multiple Dosers A - Dosing System B - Mill C - Filter/Reciever D - Suction Fan E - Rotary Valve F - Double Dosing System G - Eductor Venturi H - Regenerative Blower I - Mill to Filter Duct L - Filter to Fan Duct M - Air Recycle Loop N - Injection Point Piping
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Mill with Pneumatic Cylinder Removal Assist Mill Closed
JCF 630 Compact Mill
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Mill with Pneumatic Cylinder Removal Assist Mill Open
JCF 630 Compact Mill
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Enclosed Compact Mill with 8400 Hour Online GuaranteeSTM BicarMill Technology
‣ Full-feature classifying mill coupled to a transport air fan, complete with custom enclosure and controller.
‣ Guaranteed online operation without stopping for a minimum of 8400 hours.
‣ Operational advantages: ‣ Packaged machine installation ‣ Lowest noise emissions ‣ Automatic operation ‣ Low maintenance - all external access ‣ High reliability and quality ‣ Optional remote alarming feature
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BicarMill
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Packaged Bicarbonate HammermillFeatures of BicarMill
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Auto-greasing Operation
Built-in Temperature SensorBuilt-in Vibration SensorBuilt-in Airflow Sensor
Automatic Build-up Control 8400 Hour Non-Stop
GUARANTEE
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Equipment Specifications and CapacityTechnical Data BicarMill
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Model Installed Power
Absorbed Power Capacity* Air Flow Pressure Noise
Type/Size kW kW Range kg/h m3/h mm H2O dbA
BicarMill 300 18.4 16.6 10-250 800 500 <65
BicarMill 400 29.2 26.3 40-450 1500 800 <65
BicarMill 630 64.2 57.8 100-1000 2700 800 <65
*Capacities Stated for Sodium Bicarbonate
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Packaged Mill with Automatic Control SystemBicarMill 630
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Internal View of Doser and Mill with Pneumatic Open AssistBicarMill 630
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Typical Installation on Dry Injection SystemBicarMill Installation
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Dual System on Dry Injection SystemBicarMill Installation
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Self-classifying, Compact DesignSTM Compact Mill
‣ Compact, self-classifying mill coupled to a transport air fan. The self-classifying design makes it a good choice for applications where particle size is not critical or where sorbent stoichiometry or acid gas efficiency requirements are low.
‣ Ideal for medium/small gas cleaning plants and for low-cost retrofit applications.
‣ Operational advantages: ‣ Low energy consumption ‣ Minimal maintenance needs ‣ Compact, small space requirement ‣ Ease of installation ‣ Automatic operation
28Compact Mill
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Equipment Specifications and CapacityTechnical Data CompactMill
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Model Installed Power
Absorbed Power Capacity* Air Flow Pressure Energy
Req. Noise
Type/Size kW kW Range kg/h m3/h mm H2O kW/Ton dbA
Compact 280 18.4 14.8 5-40 800 500 60-100 <75
Compact 400 29.2 23.5 10-120 1500 800 55-85 <75
Compact 600 64.2 51.5 20-450 2700 800 52-85 <75
*Capacities Stated for Sodium Bicarbonate
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Self-classifying, Compact DesignCompact Mill
30Compact Mill 600
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Enclosed Compact Mill with DoserCompact Mill - EasyBox
31Compact 400 Easy Box Showing Dosing System
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Enclosed Compact Mill with DoserCompact Mill - EasyBox
32Compact 400 Easy Box Showing Internals
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Enclosed Compact Mill with DoserCompact Mill - EasyBox
33Compact 400 Easy Box Showing Internals
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In-line Material Crusher with Online MaintenanceMF Lump Breaker/Crusher
‣ Compact, in-line clinker crusher/delumper with online maintenance capabilities.
‣ Capable of crushing a full-size clinkers down to 1” particles.
‣ Can be installed upstream of dust airlocks and conveying systems in boiler and just collector applications.
‣ Operational advantages: ‣ Low energy consumption ‣ Inline maintenance - no need for removal ‣ Compact, small space requirement ‣ Ease of installation ‣ Heavy-duty construction
34MF Series Lump Breaker
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In-line Material Crusher with Online MaintenanceMF Lump Breaker/Crusher
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Unit Deactivated for Maintenance
Unit Online and Operational
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Metering Feeders for Gas Cleaning ApplicationsSTM Dosing Systems
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MDS AC – 50
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High-Accuracy Powder Metering SystemsSTM MicroDoser Technology
‣ Solves the problem of accurately metering free-flowing powders by monitoring the flow of sorbents and activated carbon into the gas stream.
‣ Can be used for any application that uses powders, such as dry scrubbers and duct injection systems.
‣ Accuracy twice that of competitive commercial units.
‣ Operational advantages: ‣ Maximum energy efficiency ‣ High accuracy ‣ Minimal maintenance needs ‣ Compact, small space requirement ‣ High reliability and quality ‣ Ease of installation
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Micro-Dosing Unit
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Elements of Our Metering SystemsVolumetric Components
‣ Modular dosing system elements allow the interchange of different elements to achieve different injection rates
‣ Variation of the dosing screw design based on the type of material being metered: ‣ Type A: Solid metering screw for non-
compressible, high specific gravity material ‣ Type B: Open (spring) metering screw for
compressible, low specific gravity material
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Type B Spring ScrewType A Solid Screw
Agitator Element
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Elements of Our Metering SystemsControl Components
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Integral Air Preparation Unit
Surge Hopper Level Sensor
Transport Air Flow Meter and
Pressure Transducer
Weight Scale With Vibrator
High-accuracy Gear Reducer
8400 Hour Non-Stop GUARANTEE
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Simple Metering SystemMDS MicroDoser
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Micro-Dosing Unit
MDS Doser 1 - Dosing Housing 2 - Hopper 3 - Inlet Feed Port 4 - Metering Port Exhaust 5 - Metering Screw 6 - Level Sensor 7 - Doser Gear Reducer 8 - Agitator Gear Reducer 9 - Vibrator 10 - Agitator Element
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Compressed Air Propelled Metering SystemsMD-AC MicroDoser
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Compressed Air Micro-Dosing Unit
MD-AC Doser 1 - Dosing Housing 2 - Hopper 3 - Inlet Feed Port 4 - Metering Port Exhaust 5 - Metering Screw 6 - Level Sensor 7 - Doser Gear Reducer 8 - Agitator Gear Reducer 9 - Vibrator 10 - Agitator Element 11 - Vibrating Fork Level Sensor 12 - Surge Hopper 13 - Eductor Venturi 14 - Pressure Transmitter 15 - Weighing System 16 - Air Preparation Station 17 - System Platform
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Compressed Air Propelled Metering System Material FlowMD-AC Doser Schematic
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Weigh Scale
Venturi Eductor
Material Inlet
Surge Hopper
Transport Pipe
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Elements of MD-AC Metering SystemsPropulsion Components
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Anti-plugging Pressure Sensor
Compressed Air
Level Sensor
Venturi Eductor
Surge Hopper
Stainless Steel Transport Pipe
and Anti-abrasion Tube
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Blower Propelled Metering SystemsMD-P MicroDoser
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Blower Propelled Micro-Dosing Unit
MD-P Doser 1 - Dosing Housing 2 - Hopper 3 - Inlet Feed Port 4 - Metering Port Exhaust 5 - Metering Screw 6 - Level Sensor 7 - Doser Gear Reducer 8 - Agitator Gear Reducer 9 - Vibrator 10 - Agitator Element 11 - Vibrating Fork Level Sensor 12 - Surge Hopper 13 - Eductor Venturi 14 - Pressure Transmitter 15 - Weighing System 16 - Air Preparation Station 17 - System Platform 18 - Blower
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Blower Propelled Metering System Material FlowMD-P Doser Schematic
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Weigh Scale
Venturi Eductor
Material Inlet
Surge Hopper
Transport Pipe
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Elements of MD-P Metering SystemsPropulsion Components
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Anti-plugging Pressure Sensor
Level Sensor
Venturi Eductor
Surge Hopper
Stainless Steel Transport Pipe
and Anti-abrasion Tube
Venturi Eductor
Surge Hopper
Blower
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Flow-through Valve Metering SystemsMD-VS MicroDoser
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Blower Propelled - Flow-through Valve - Micro-Dosing Unit
MD-VS Doser 1 - Dosing Housing 2 - Hopper 3 - Inlet Feed Port 4 - Metering Port Exhaust 5 - Metering Screw 6 - Level Sensor 7 - Doser Gear Reducer 8 - Agitator Gear Reducer 9 - Vibrator 10 - Agitator Element 11 - Vibrating Fork Level Sensor 12 - Surge Hopper 13 - Eductor Venturi 14 - Pressure Transmitter 15 - Weighing System 16 - Air Preparation Station 17 - System Platform 18 - Cross-flow Metering Valve 19 - Blower
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Flow-through Valve Metering System Material FlowMD-VS Doser Schematic
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Weigh Scale
Flow-through Valve
Material Inlet
Surge Hopper
Transport Pipe
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Elements of MD-VS Metering SystemsPropulsion Components
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Level Sensor
Stainless Steel Transport Pipe
and Anti-abrasion Tube
Flow-through Rotary Valve
Surge Hopper
Blower
Flow-through Rotary Valve
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Double Metering SystemsMD-D MicroDoser
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Dual Micro-Dosing Unit
MD-D Doser 1 - Dosing Housing 2 - Hopper 3 - Inlet Feed Port 4 - Metering Port Exhaust 5 - Metering Screw 6 - Level Sensor 7 - Doser Gear Reducer 8 - Agitator Gear Reducer 9 - Vibrator 10 - Agitator Element 11 - Vibrating Fork Level Sensor 12 - Surge Hopper 13 - Eductor Venturi 14 - Pressure Transmitter 15 - Weighing System 16 - Air Preparation Station 17 - System Platform
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Double Metering System Material FlowMD-D Dual Doser Schematic
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Weigh Scale
Material Inlet
System 2System 1
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Water Propelled, Slurry Mixing Metering SystemsMD-A MicroDoser
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Water Propelled Micro-Dosing Unit
High-pressure Pump
Peristaltic Pump
MicroDoser Venturi
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Water Propelled, Slurry Mixing Metering SystemsMD-A MicroDoser
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Material Inlet
High-pressure Pump MicroDoser Venturi Transport Pipe
Flow Accelerator
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Compressed Air Propelled Metering SystemMD-AC 50 Doser
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Compressed Air Propelled Metering System Teflon Coated and ATEX Components
MD-AC-TX-ATEX Doser
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Big Bag Unloader and Metering System Teflon Coated and ATEX Components
MDS-P + FIBC Unloader ATEX
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Double Metering SystemsMD-D MicroDoser
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Dual Micro-Dosing Unit
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Flow-through Valve Metering SystemMD-VS Doser
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Compressed Air Metering SystemMDS-AC Doser
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Compressed Air Metering SystemMDS-VS Doser
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Multi-Outlet Material DistributorsMaterial Distribution Systems
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Multi-Outlet Material DistributorsMaterial Distribution Systems
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‣ Solves the problem of discharging and distributing hard to flow material from a single silo to multiple points.
‣ Design is adaptable to the number and location of outlets, as well as the speed of the material extraction.
‣ Operational advantages: ‣ Modular design ‣ Optimal material distribution ‣ Multiple outlets with single silo ‣ Ideal for hard to handle powders ‣ Minimal maintenance needs ‣ Compact, small space requirement ‣ High reliability and quality ‣ Ease of installation
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Multi-Outlet Material DistributorsMaterial Distribution Systems
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Material Outlet
Material Inlet
Cutaway View of a 4-Outlet Material Distributor
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Multi-Outlet Material DistributorsMaterial Distribution Systems
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Example Application of a 2-Outlet Material Distributor