Veolia HDF 12 Series Operation And Maintenance Manual Download Page 1 | Manualshive

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Drumfilter HDF - 12/16/20/24 -series

Operation and maintenance manual

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Summary of Contents for HDF 12 Series

Page 1: ...Drumfilter HDF 12 16 20 24 series Operation and maintenance manual Revised 2019 03 19...

Page 2: ...y stop 7 2 6 Electrical safety 7 2 7 Safety instructions 7 3 1 Overview 9 3 2 Identifying the filter 11 4 RECEPTION AND HANDLING 12 4 1 Reception 12 4 2 Storage 12 4 3 Lifting the equipment 12 5 GENER...

Page 3: ...otation washing 18 6 2 3 Operating mode AUTO automatic level control 18 6 2 4 Adjusting the level sensor 18 6 2 5 Adjusting delay time 18 6 2 6 Setting the level relay 18 6 3 Backwash system 19 6 4 Re...

Page 4: ...ing the drive chain for wear 29 8 5 2 Checking drive chain tension 29 8 5 3 Adjusting drive chain tension 30 8 5 4 Replacing the drive chain 31 8 6 Drive chain drive with chain type H78 32 8 6 1 Check...

Page 5: ...manual If this information is ignored it may result in serious per sonal injury and or damage to equipment The manual must always be available to personnel working with the equipment It is important...

Page 6: ...ly be performed by authorised personnel Adequate lighting should be used when working and operating the filter 2 1 Warning symbols Warning symbols are used in this manual to draw attention to potentia...

Page 7: ...electrician and in accordance with local regulations Also see Appendix D The fil ter tank or the frame must be connected to ground Also see section 5 4 The main power switch emergency stop must be fi...

Page 8: ...on and in front of the support wheels Always make sure these are secured and correctly fitted The aerosols from the backwash water may contain harmful substances Measured noise levels from the filter...

Page 9: ...9 Operation maintenance manual Drum filter HDF 12 16 20 24 series 3 HYDROTECH DRUM FILTER 12 16 20 SERIES 3 1 Overview Figure 3 1 HDF12 16 20 24 series components filter with stand...

Page 10: ...10 Operation maintenance manual Drum filter HDF 12 16 20 24 series Figure 3 2 HDF12 16 20 24 filter with tank...

Page 11: ...Identifying the filter The filter type serial number and year of manufacture are stated on the identification plate The filter type and serial number are also stated on the front of this manual Figur...

Page 12: ...if stored outdoors Heat and UV radiation can damage the filter elements If the filters are delivered in plastic covered wooden crates a special type of corrosion may occur if stored outdoors especiall...

Page 13: ...res above 5 C and air temperatures above 10 C At lower water and air temperatures filter in stallation should be indoors 5 1 2 Foundations The filter must be installed on a flat surface with sufficien...

Page 14: ...ctrical work 5 5 Checking drum rotation Start drum rotation and check that the drum rotates in the same direction as the rotation arrow on the drive unit cover 5 6 Pipe connections Nominal pipe dimens...

Page 15: ...ement and allow unfiltered water to run into the filter tank chamber A greater difference in water level between the inside and outside of the filter drum than 450 mm will damage the filter 6 When the...

Page 16: ...ND mode 2 Automatic level control AUTO mode Turn the mode selector to select the operating mode see E in Figure 6 1 Figure 6 1 Hydrotech control cabinet type PFC option A DRUM DRIVE TRIPPED LED that i...

Page 17: ...between the water level inside and out side the drum is 250 mm during normal operation see Figure 6 3 The recommen ded level difference is 100 200 mm If an even flow after the filter is required the...

Page 18: ...lacement depends on the turbulence of the water surface see Figure 6 4 NB Prior to service read section 2 7 Safety instruc tions 6 2 5 Adjusting delay time A time relay logic module is used to delay t...

Page 19: ...system pressure for backwashing must be set to 7 9 bar Newly connected pipe systems for external wash water should be flushed before they are con nected to the filter Check that the nozzles are not b...

Page 20: ...2 Solid particles are separated from the water by the filter fabric that is mounted on the outside of the filter elements while the clean water passes through the fabric to the outside of the drum 3...

Page 21: ...in power switch to the OFF 0 position and the mode selector to the 0 OFF position If the used backwash water supp ly unit is not from Hydrotech ensure that the supply of backwash water is turned off 2...

Page 22: ...vers and lock them in place 10 Start operation again as in section 6 1 Check measures for restart It is important that the nozzle nuts see Figure 8 2 are refitted correctly after the nozzles have been...

Page 23: ...Drum filter HDF 12 16 20 24 series Figure 8 4 1 Lechler nozzle components A Top nozzle attachment B Rubber seal C Top Nozzle nut self cleaning optional Bottom Standard nozzle D Bottom nozzle attachme...

Page 24: ...1 Turn the main power switch to the OFF 0 position and lock it with a padlock 2 Drain the wash water filter by removing the cover at the bottom of the filter 3 Remove the lower part of the filter 4 R...

Page 25: ...affixed to the filter NB Prior to service read section 2 7 Safety instructions HDF24 series filter The drum s centre s shaft is equipped with ball bearings that must be lubricated The support wheels...

Page 26: ...er medium are diluted hydrochloric acid HCl diluted sodium hypochlorite NaClO and diluted sodium hydroxide NaOH The use of other types of cleaning agents may cause damage to the equipment The cleaning...

Page 27: ...l ramp s nozzles as set out below 1 Remove the nozzle by turning it a 1 4 turn anticlockwise see Figure 8 6 2 Clean the nozzle with compressed air or a plastic brush Never use a wire brush metal pins...

Page 28: ...t the new filter element under the tensioning strap as far as possible carefully adjusting it horizontally 7 Press down the tensioning strap and filter element alig ning the holes in the tensioning st...

Page 29: ...locked in the OFF 0 position with a padlock 8 5 2 Checking drive chain tension Wear to the centre shaft s bearings or to the drive chain affects the chain tension Check the drive chain tension as foll...

Page 30: ...is attained see section 8 5 2 Check ing drive chain tension So that the worm gear can be kept horizontal the two screws should be adju sted one at a time and a little at a time Use a spirit level to e...

Page 31: ...e worm gear in place See 1 in Figure 8 9 Figure 8 10 3 Lower the worm gear using the nuts 2 in Figure 8 9 Figure 8 10 4 Remove the chain lock and chain 5 Fit the new chain and a new chain lock 6 Adjus...

Page 32: ...h is locked in the OFF 0 position with a padlock 8 6 2 Checking drive chain tension Wear to the centre shaft s bearings or to the drive chain affects the chain tension Check the drive chain tension as...

Page 33: ...see Figure 8 12 3 Loosen the nut that locks the adjustment screw 4 Adjust the drive chain tension with the adjusting screw 5 Tighten the four nuts that hold the worm gear in place 6 Tighten the nut th...

Page 34: ...ew chain and lock it with a pin 7 Adjust the drive chain tension according to section 8 6 3 Adjusting drive chain tension 8 Start operation again as set out in section 6 1 The chain tension of a new c...

Page 35: ...ons First turn the main power switch to the OFF 0 position and then lock it with a padlock before performing any work on the filter Every week or at another interval based on expe rience from the appl...

Page 36: ...Follow the gear box manufactorers recommenda tion Hydrotechs recommendation is to do this using a suction hose due to space restrictions NB Prior to service read section 2 7 Safety instructions See A...

Page 37: ...be on when the relay is powered C Replace the defective level relay D The FILL EMPTY selector is in the FILL position D Set the selector to the EMPTY po sition 2 The filter does not stop after the tim...

Page 38: ...nformation about lubrication Symbol displaying moving parts Neg ligence to comply with safety regula tions may lead to injury This symbol is placed where certain attention is needed when handling the...

Page 39: ...echnomaps veoliawatertechnologies com hydrotech en Click on Manuals technical information in the list on the left side Select the product you want more information about and it will open a Pdf in a ne...

Page 40: ...AB A Veolia Solutions Technologies Company Mejselgatan 6 235 32 Vellinge Sverige Telefon 46 0 40 42 95 30 Fax 46 0 40 42 95 31 E mail mailbox hydrotech se Hemsida www hydrotech se Copyright All rights...

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