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*7ml19985EQ01*

Rev. 1.0

www.siemens-milltronics.com

Siemens Milltronics Process Instruments Inc.
1954Technology Drive, P.O. Box 4225
Peterborough, ON, Canada K9J 7B1
Tel: (705) 745-2431 Fax: (705) 741-0466
Email: [email protected]

Siemens Milltronics Process Instruments Inc. 2003

Subject to change without prior notice

Printed in Canada

Содержание Milltronics L-300

Страница 1: ...Instruction Manual September 2003 L 300 milltronics ...

Страница 2: ...n electronic version We encourage users to purchase authorized bound manuals or to view electronic versions as designed and authored by Siemens Milltronics Process Instruments Inc Siemens Milltronics Process Instruments Inc will not be responsible for the contents of partial or whole reproductions of either bound or electronic versions While we have verified the contents of this manual for agreeme...

Страница 3: ... Mounting Details 5 Dual Load Cell Balance 6 Calibration 6 Material Tests 6 Applications 7 Materials 7 Material Feed 7 Flowmeter In Feed Chutes 9 L 300 Outline and Details 11 Flowmeter Details 11 Cover Plate Remove for calibration pulley mounting 12 Outline Dimensions 13 Wiring 14 Maintenance 14 Checks 14 Unit Repair and Excluded Liability 14 ...

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Страница 5: ...el sensing plate electronic flowmeter integrator ordered separately The Manual This instruction manual covers the installation operation and maintenance of the Milltronics L 300 solids flowmeter Please refer to this manual for proper installation and operation of any component of the system to which the L 300 is being applied Adhering to the installation and operating procedures will ensure a quic...

Страница 6: ...0 ft3 h Maximum Tonnage 0 to 300 t h 330 STPH at 1 t m3 62 4 lb ft3 Up to 0 to 500 t h 550 STPH at higher bulk densities Construction painted mild steel flowguide and housing cabinet with 304 1 4306 stainless steel sensing plate optional special linings for flowguide and sensing plate Load Cells construction 50 lb stainless steel parallelogram excitation 10 V DC nominal 15 V DC maximum output 2 mV...

Страница 7: ...ng 6 conductor 20 0 5 mm2 shielded cable or equivalent for cable runs less than 150 m 500 ft 8 conductor 20 0 5 mm2 shielded cable or equivalent for cable runs from 150 m 500 ft to 300 m 1000 ft Classification CE For use in hazardous areas use IS barrier strips see your Siemens Milltronics representative for details ...

Страница 8: ...Installing the Flowmeter Make sure the flowmeter inlet and outlet mounting surfaces are free from excessive vibration 1 Position the flowmeter into the desired location 2 If necessary shim the housing base to level the flowmeter 3 Fasten the housing discharge to the downstream material chute 4 Fasten the flowguide to the material infeed chute 5 Install the sensing plate Refer to the appropriate in...

Страница 9: ...itation calibration pulley secure with M6 socket head cap screws calibration weight applied to calibration pin with calibration cable sensing plate fixing bolts M12 1 75 x C W M12 lockwasher calibration pin TYP sensing plate Install by positioning ball of each cable and then fixing sensing late to dynamic beam Top of sensing plate must be level in two planes S S hex nut M6 1 4 with set screw Facto...

Страница 10: ...before a system can be calibrated a calibration weight should be selected The mass of this weight is based on a nominal value of 45 g per t h1 and should be selected for 60 to 80 of the design flowrate Example Design rate 300 t h Test rate to equal 70 of design rate Test weight value 300 t h x 70 210 t h Test weight mass 210 t h x 45 g per t h 9 45kg With the calibration weight selected the integr...

Страница 11: ...al paint or coatings on exposed flowmeter components are often used for carbide fertilizer phosphate salt sodium chloride urea and other materials with similar properties The L 300 is best applied to free flowing granular material that will not re crystalize and build up in the presence of moisture or high humidity Material Feed Ideal material infeed characteristics constant and relatively low mat...

Страница 12: ... use reverse flowguide transition for variable operating speeds or constant speeds above 10 rpm commonly used for grain applications feeder discharge damping required when slow elevators typically chain drive produce heavily pulsing material discharge use deadbox if required to reduce material velocity from fast elevators typically re inforced belt drive produces a non pulsing material discharge r...

Страница 13: ...ers forward flowguide transition maintains the material in the same direction between the bin or feeder discharge and the flowmeter flowguide transition is acceptable for a low and constant velocity feeder if a forward flowguide transition must be used for a high or variable speed feeder application install a baffle plate baffle plate material in feed chute where the bin or feeder discharge to flo...

Страница 14: ...ticularly abrasive install a temporary holding bin to receive pulsing material discharge from a feeder Then the material is gravity fed from the bin to the flowmeter flowguide provide manual or automatic control to ensure the holding bin is neither emptied nor overfilled while the feeder is in operation bin could also be used for the integrator on line calibration if so equipped Refer to the integ...

Страница 15: ...ers are not used vent the in feed and discharge chutes to a common dust collector Install a tuning gate in each vent to balance the air pressure If a dust collector is not used install an air bypass chute between the flowmeter in feed and discharge chutes To common dust collector Flowguide with gasket hex head bolt M12 1 75 x 25 12 lockwasher ø12 12 enclosure with doors and hardware connectors loa...

Страница 16: ...TION MANUAL 7ML19985EQ01 Cover Plate Remove for calibration pulley mounting socket head cap screw M5 0 8 x 15 6 Lockwasher ø5 6 load cell A calibration position A normal calibration pulley position calibration position B load Cell B C ...

Страница 17: ...m 23 62 B 560 mm 22 1 4 equal spaces C 500mm 19 69 D 20mm 0 79 E 400 mm 15 75 F 180 mm 7 09 G 300 mm 11 81 H 14mm 0 55 diameter holes I 900 mm 35 43 J 175 mm 6 89 K 160 mm 6 3 N 750 mm 29 53 O 145 mm 5 71 P 130 mm 5 12 flowguide housing cabinet accessdoor typ sensing plate min distance 600 mm 24 typ 800mm 31 5 400mm 15 75 354mm 13 9 infeed discharge load cell x2 915mm 36 50 585mm 23 1000mm 39 4 32...

Страница 18: ...luded Liability All changes and repairs must be done by qualified personnel and applicable safety regulations must be followed Please note the following The user is responsible for all changes and repairs made to the device All new components must be provided by Siemens Milltronics Process Instruments Inc Restrict repair to faulty components only Do not re use faulty components Note When installin...

Страница 19: ...Load Cells balancing 6 F Flowmeter component list 1 Flowmeter Integrator feature list 1 I In Feed Discharge Air Pressure information 11 Installation Considerations clearance 4 Installing the L 300 procedure 4 L L 300 detail diagrams 11 outline diagrams 11 M Material Feed 7 ideal characteristics 7 Materials considerations 7 N Non Stick Linings examples 7 S Sensing plate mounting details 5 Special P...

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Страница 21: ...Notes ...

Страница 22: ...Notes ...

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Страница 24: ...s Process Instruments Inc 1954Technology Drive P O Box 4225 Peterborough ON Canada K9J 7B1 Tel 705 745 2431 Fax 705 741 0466 Email techpubs siemens milltronics com Siemens Milltronics Process Instruments Inc 2003 Subject to change without prior notice Printed in Canada ...

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