Related Manuals for Hydrotech HDF501 Series
Summary of Contents for Hydrotech HDF501 Series
- Page 1 Operation and Maintenance Manual Drumfilter, HDF501-series TYPE: 1P, 1FP SERIAL NO: ........
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Page 2: Table Of Contents
5.2.1 HAND mode – continuous rotation ........14 5.2.2 AUTO mode – automatic level control ......14 5.2.4 Setting the time relay ............15 5.3 Backwash system ..............15 5.4 Drum rotation ................15 5.5 Re-tightening of bolts ..............15 Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... - Page 3 B. Spare parts list C. Dimensional drawing D. Circuit diagram for control system (optional) E. Control cabinet component list (optional) F. The gear motor G. Backwash Strainer (optional) H. Backwash pump (optional) Operation and maintenance manual for Hydrotech Drumfilter HDF501-series...
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Page 4: Preface
PREFACE This manual comprises instructions for operation and maintenance of Hydrotech Drumfilter HDF501-series. The manual should always be available to the personnel who work with the equipment. It is important that: The manual and other applicable documents are preserved during the whole life span of the equipment. -
Page 5: Safety.precautions
Directive of EU 98/37/EU (AFS 1994:48). 1.3.Redesigned.equipment. The CE marking does not cover components not approved by Hydrotech AB, used in redesigning or rebuilding of the equipment. Warning signs and the CE marking shall be placed fully visible. If any part of the equipment with a sign is being replaced, a new sign must be attached at the same place. -
Page 6: Emergency Shutdown
Use suitable personal protection according to local regulations. Measured noise level from the filter is less than 74 dB (A). If necessary, use suitable personal protection according to local regulations. Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 7: Hydrotech.drumfilter.12.&.16.&.20.-Series
Control cabinet (optional) Manometer Back- Drive (rinse water Filter wash motor unit Drum panels pressure) unit Level sensor (optional *) Solids outlet MOTOR SIDE Inlet INLET SIDE Figure 2.1 Parts of HDF501-series Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 8: Identification Of The Filter
Filter data plate xxxxxxxxxxxxxxxxxxxxx x The filter designator definitions are: HDF 501 - 1FP Type of microscreen filter Model HDF = Hydrotech Drum Filter F = Industrial model P = GRP tank Drum diameter 5 = 500 mm Drumfilter type... -
Page 9: Receiving.and.handling
Unpacked filters with tank (type 1) may be lifted by a fork lift. Do not use a crane or overhead gantry, and straps! WARNING! Before unloading, the working area should be fenced off according to local regulations to prohibit access by unauthorised persons. Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 10: General.installation.instructions
(see Appendix A & D). 4.4.Equipotential.earth.bonding The Hydrotech Drumfilter and its associated equipment should be protected using a suitable Equipotential Earth Bonding system. This is very important to avoid galvanic corrosion. Typically use a cable with an area of 10-16 mm . -
Page 11: Pipe Connections
Thoroughly check that no rinse nozzles are clogged. Any particles in the rinse water supply must be removed. A standard in-line strainer can normally be used to remove particles (see also section 7.7). Figure 4.6 In line strainer (optional) Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 12: Start-Up.and.operation
8. Open the main valve completely. The filter is now running in automatic level control mode. It may be needed to adjust the level sensor to make the filter run optimally (see section 5.2.3). Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 13: Control Settings
5.2.Control.settings The control system for the HDF501-series operates with 50 Hz as standard. If the filter is equipped with a Hydrotech standard control, the filter has two operation modes: 1. Continuous rotation (HAND mode) 2. Automatic level control (AUTO mode). -
Page 14: Hand Mode - Continuous Rotation
The lowest level is just after a backwash cycle, and rises until the level sensor is reached. If a constant water level inside the drum is required, the filter should run continuously (HAND mode). Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 15: Setting The Time Relay
1.4 mm. For some applications it may be necessary to use a lower rinse water flow. This can be achieved by installing nozzles with a smaller opening size. Contact the supplier or Hydrotech for more information. The backwash system pressure is set to 7-8 bars. -
Page 16: Function
The filter is not a pressure vessel. 6.2.Non-foreseen.use If not approved by Hydrotech, the filter may not be used for other liquids than water. The filter must not be installed in an area where there is an explosive atmosphere or any other risk of explosion, e.g. -
Page 17: Maintenance
7.1.1.Removing.and.cleaning.the.spray.nozzles 1. Set the safety switch to OFF and the selector switch to 0. If a backwash pump not supplied by Hydrotech is used, make sure that the rinse water supply is shut off. 2. Remove the lids on the side where the backwash pipe is located. -
Page 18: Checking The Spray Nozzles For Wear
Figure 7.1.2.b & c. In the worn out nozzle, a change in the nozzle opening can be seen. Figure 7.1.2 b Figure 7.1.2 c New nozzle Worn out nozzle Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 19: Bearings
The drum has a plastic slide bearing which does not need to be greased. 7.2.2.Checking.the.slide.bearing.for.wear Every sixth month the slide bearing must be checked for wear (see also section 7.8). Slide bearing Figure 7.2.1b The slide bearing Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 20: Filter Panels
(based on hydrochloric acid) designed for cleaning of filter cloths. If the clogging is caused by fat or oil, diluted sodium hydroxide (NaOH) can be used. WARNING! HCl and NaOH is highly cauterant. See local regulations for protection. Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 21: Change The Filter Panels
It is not necessary to tighten the angle iron until it makes contact with the flat bar. 12. Set the safety switch to ON and the selector switch to AUTO. (see also section 5.1) 7.4.Drive.chain.(not.applicable.for.HDF501-1P) Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 22: Gear Motor
7.7.Backwash.strainer A backwash strainer can be used to remove particles in the rinse water. Figure 7.6 Cleaning instructions of the backwash Inlet rubber sealing strainer is found in Appendix G. Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 23: Maintenance Schedule
Every year or other interval (see 7.1.2). based on experience for the actual application. Change the gearbox oil. Oil type: ISO viscosity VG 680 See appendix F. (e.g. Omala oil 680 (Shell) or equivalent). Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... -
Page 24: Troubleshooting
(when there is power to the relay). D. The level relay is defective. The red D. Replace the defective level diode lamp does not go out when the relay. water level drops below the sensor. Operation and maintenance manual for Hydrotech Drumfilter HDF501-series... - Page 25 Operation and maintenance manual for Hydrotech Drumfilter HDF501-series...
- Page 26 Hydrotech AB, A Veolia Solutions & Phone: +46 (0)40 - 42 95 30 Technologies Company Fax: +46 (0)40 - 42 95 31 Mejselgatan 6 E-mail: mailbox@hydrotech.se 235 32 Vellinge Web site: www.hydrotech.se Sweden © Copyright All rights reserved...
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