DESMI TERMINATOR WEIR SKIMMER
Contents
1. al 58 78 51 afi Shi F 8451 O QG 18 198 20 05 28 28 27 5 4 1 5 5 10 I T 17 09 2 A S De Smithske 8400 Netrerundby Denmark 225 with Thrusters assembling drawing 5 5 9 8 ____ gt L 01 4 ONT 01 ee ee 89 27 3 52 0 JOY 530 3101 31 15 53903 5 440 SEUNG 230 1 3125 01 SDV 1 3715 1180 26 8 0 DESMI 250 DUAL TERMINATOR SKIMMER Pump couplings Part list Drawing Pressure Return Drain Discharge Thruster P R 020681 460 02 02 01 481243 3 4 3 4 3 8 AQ 5 Kamlok 020681 460 02 01 01 481243 1 1 3 8 AQ 5 Kamlok 020681 460 02 08 01 481243 3 4 3 4 3 8 55 5 Kamlok 020681462. gt 2 17 RO CLEAN OPERATORS MANUAL DESMI TERMINATOR WEIR SKIMMER 020681460 020681630 020682060 020682150 020682160 020682860 DESMI Ro Clean A S Hestehaven 61 DK 5260 Odense S Denmark Tel 45 65481610 Telefax 45 65481615 CVR NR 69 04 29 10 www desmi com ro clean Original Instructions Safety precaution when working with skimmer systems Carefully read this manual before connecting or starting the machines Notice that it may not be possible to study the manual during operation of the machinery Only connect skimmers and winders with power packs they have been delivered with or which have been approved on beforehand by DESMI Ro Clean Do not start combustion engines in closed or badly ventilated rooms or if there is a danger of hazardous atmospheres Avoid breathing in of exhaust fumes The machines are not ATEX approved and must not be used in explosive atmospheres Only lift machines in for this purpose made lifting devices such as fork lift channels lifting eyes or lifting handles Stop engines and disconnect battery terminals and hydraulic hoses before maintaining the equipment Stop all engines before connecting or disconnecting hydraulic hoses Before starting the machine make sure that nobody is in the danger area moving parts on engine or machinery that all safety guards are in place and that the operator has a clear view of the working area including personnel and ma
3. RESPONSE TACTICS 3 1 General remarks 3 2 Oil spills at sea 3 3 Oil spills in lakes and shallow water 3 4 Oil spills in rivers 3 5 Oil spills on shorelines OPERATION OF THE DESMI DOP DUAL TERMINATOR SKIMMER 4 1 Operation principle 4 2 Before operation 4 3 Operation 4 4 Recovery after operation INSPECTION AFTER OPERATION AND PREVENTATIVE MAINTENANCE 5 1 Clean the skimmer 5 2 Inspection of the pump 5 3 Protection of the skimmer 5 4 Preventative maintenance of the skimmer flotation system TROUBLESHOOTING TECHNICAL SPECIFICATIONS PARTS LIST Part list no 681460 02 02 01 02 01 01 02 08 01 02 05 01 Part list no 681630 03 01 01 Part list no 681630 Part list no 682150 01 02 01 01 Part list no 682860 02 02 01 01 Part list no 682151 thrusters DRAWING 9 1 Dimension drawing 481162 Terminator 9 2 Dimension drawing no 481245 Terminator with thrusters 9 3 Assembly drawing no 481243 Terminator 9 4 Assembly drawing no 481276 Terminator with thrusters 9 5 Assembly drawing no 481577 Thruster arrangement Annex Pump user manual 1 0 GENERAL DESMI DOP DUAL TERMINATOR skimmer system is the second generation of DESMI s vertical Archimedes screw skimmers New materials have been introduced resulting in lower weight increased buoyancy and thus improved seaworthiness Fewer parts make a more simple skimmer easy to assemble and easy to maintain Using DESMI s modified positive displacement Archimedes screw p
4. connect the hydraulic hoses to the power supply The best recovery rate and efficiency are obtained when the skimmer is used in conjunction with a boom equipped with a U or V pocket at the apex Fig 5 This enables the boom to concentrate even minor oil spills thus getting a thicker oil layer and more efficient skimming Do not start the skimmer pump before a sufficient oil layer has been collected DESMI recommends an oil layer of at least 2 cm 3 4 or more for the best efficiency Fig 5 U formation with V apex As soon as the oil layer has reached a minimum of 2 cm 3 4 start the skimmer pump at low speed and increase pump speed gradually while monitoring the oil coming out of the discharge hose Increase pump speed until too much water is coming with the oil out of the discharge hose and then decrease a little If it is not possible to monitor the discharge hose adjust the pump speed so that the collected oil layer in the apex of the boom stays over 2 cm 3 4 If the skimmer pump stops due to excessive debris solids simply reverse the pump to expel the blockage Then restart the skimming operation D When recovering high viscous oil it is recommended to attach the belt skimmer OPTION and to use the water injection system OPTION The water capacity is to be adjusted according to the properties of the recovered oil See Operator s manual for belt skimmer WARNING If it is necessary to remove de
5. the ring will automatically adjust its vertical position downwards allowing more oil to enter the hopper At low pump RPM the ring float will float high inside the hopper allowing only little oil to enter the skimmer At higher RPM the pump will remove the oil under the ring float the float will thus obtain a lower position and more oil will enter the skimmer The weir lip will automatically adjust its weir lip to the most optimal position at any recovery rate Besides the up down movement the weir lip adapter is able to float independently of the skimmer due to its extremely low inertia mass and the very flexible connection to the skimmer This enables the ring float to keep its weir lip parallel to the oil water interface even in small swells which the skimmer is not able to follow 12 4 2 Before operation WARNING Keep away from the rotating pump screw and cutting knife The pump screw cutting knives are designed for cutting debris normally found at oil spill sites and will also cut off fingers and other limbs WARNING Always keep a safety distance to the pump of minimum 2 m 7 ft when the pump is connected to the hydraulic power supply Do not connect the hydraulic hoses to the power supply until you are ready for operation A Operate the hydraulic power supply of the skimmer according to the operator s manual delivered by the supplier of the hydraulic power source B Check that the discharge and hydraulic connect
6. 3 8 w one union Hydr hose 3 8 Hydr hose 1 4 Hexagon nipple 1 8 1 4 BSP Hexagon nipple 3 8 3 8 BSP Bonded seal 3 8 Fitting for thrusters Lock nut M10 Disc M10 Set screw M10x35 Pipe plug 1 4 Qty 30
7. 36 711353 coupling 3 4 St St Male 1 36 705454 coupling 1 TEMA Male 1 37 705572 Dust 3 4 1 11111 37 705457 Dust cap 1 AEROQUIP 1 1 37 703623 Dust 3 4 1 37 705455 Dust 1 1 38 704062 8 7177777 39 1845462 8 x 40 41144141414 40 180395 Bulkhead connection 3 8 3 8 111 41 703332 Counter nut 3 8 BSP 11111 42 705120 coupling 3 8 AEROQUIP 111 1111111 42 711357 coupling 3 8 St St 1 42 703349 coupling 3 8 TEMA 1 43 705456 3 8 AEROQUIP 111 1111111 43 703619 Dust 3 8 111 44 703331 Sleeve 3 8 1111111 44 712298 3 8 Tee 212 45 184267 Drain pipe 242 x 40 111 46 708305 coupling 3 8 AEROQUIP female 212 47 705688 Dust plug 3 8 AEROQUIP 212 48 703650 seal 3 8 111 49 706279 Set screw M16 x 40 41144141414 49 181948 Discharge flange 4 camlock type 111 50 182139 Float pipe 33331313 50 710850 0135 3 5 nitrile 111 51 181089 3133131313 52 180959 float 33331313 53 710601 LH screw 8 x 12 999999 66 703684 seal 1 4 111 1111111 66 71143
8. Dirt may affect the functioning of the couplings and the hydraulic system Always use dust caps and dust plugs Check the lifting device It must be safely secured to the casing Check the locking devices that lock the float pipes to the pump F Check the rubber seal that seals the slot in the hopper to the plate wheel cover on the pump A leak will allow a small amount of unnecessary water to enter the hopper from under the skimmer when in operation G Check that the rubber bellows on the weir lip adapter is in good condition The bellows is made of neoprene which has a relatively low resistance to sunlight Protect the weir lip adapter against sunlight during storage 18 6 0 TROUBLESHOOTING NOTE For troubleshooting of the pump refer to the pump manual section 6 0 Problem The weir lip adapter will not adjust properly The skimmer recover too much water Oil will not flow into the hopper Probable cause Water too shallow Viscosity of oil is extremely high and oil layer is very thick Too small oil layer Pumping is too fast compared to the available amount of oil Debris prevents the oil from entering the hopper The oil is very waxy Behaves like ice flakes Action Move to deeper water or if on the shore line Dig a hole under the skimmer Dismantle the DOP DUAL pump from the floats and use it fully submerged Stop skimming Collect and concentrate more oil in the apex of the boom befor
9. 0 02 05 01 481243 17 1 3 8 5 020681630 03 01 01 481276 1 1 3 8 AQ 6 Kamlok 020681630 481276 3 4 3 4 3 8 AQ 5 020682150 01 02 01 01 481276 682151 3 4 3 4 3 8 AQ 5 Kamlok 1 2 1 2 AQ 020682860 02 02 01 01 481276 682151 3 4 3 4 3 8 AQ 5 Kamlok 1 2 1 2 AQ 000682151 481577 Thruster arrangement gt 25 55555 55 LO N N Description Unit 8823 See 1 681473 DOP 250 DUAL pump OMTS200 1111111 1 1 681601 250 DUAL pump OMTS160 11111 2 181090 piece for pump and float arms 111111111 3 181944 Intermediate flange 1111 760079 CH screw M10 x 25 616 4 760079 CH screw M10 25 6666 6 6 4 181106 Intermediate flange 111 5 180352 Protection grid 1111 5 707318 screw M8x30 4 4 6 704037 M16 4144141414 6 181163 O ring 0304 x 111 7 710856 Stud M16 x 35 4114414144 7 182180 111 8 181163 0304 x 1111111 8 680726 Weir assembly 111 9 707318 BH screw 8 x 30 4144444 9 680737 Clamp ring for hopper 111 10 181106 Mounting flange 1111 10 182282 Float arm right 111 11 182180 1111111 11 18228
10. 3 Float arm left 111 12 181279 WLA Float 1111111 12 705767 Rubber bellows 1111 12 181331 Ring 1111111 12 707310 6 3 x 16 16 16 16 16 16 16 12 182139 Float arm 111 13 681767 ring for WLA 1113 3 13 181089 Float 313 27 5 5 Description S 5 Unit 918 9181818 8 14 180959 for float 313 14 680737 ring for hopper 1111111 15 710601 screw M8x12 919 15 182105 Manifold 1111111 16 183199 Manifold 111 16 181947 Discharge flange 5 Camlocking type 1111111 1 16 681946 Discharge flange 6 Camlocking type 1 Pc 17 182161 Support bolt 313 18 710213 CH screw M16 x 60 2 2121 121 212 18 704062 Nut 8 717 19 182177 Clamping block for lifting device 212121212 2 19 704066 Disc 8 717 20 760125 CH screw M12 55 414141414 4 20 11845462 8 40 414 21 182178 for lifting device 2 2 Pc 21 182179 Bar for lifting device 212122 21 180352 Protection grid 111 22 710380 Lock nut M16 212121212 2 22 706279 5 1 screw 16 40 414 23 182179 Lifti
11. 9 seal 1 4 1 68 705113 valve 5 bar 3 8 111 69 705115 1 4 11111 29 THRUSTER ARRANGEMENT FOR DESMI DOP DUAL TERMINATOR Parts lists No 682151 Drawing Number 481577 Pos Part No 1 712147 2 712146 3 183340 4 183720 5 183722 6 183337 7 183338 9 182258 10 712392 1 700835 12 711341 13 704394 14 706070 15 1833480 16 1852620 17 704367 17 705450 18 1848097 19 704389 19 705002 20 705129 205 708304 20 705799 204 705125 20 710844 21 705120 21 708305 21 705456 21 705688 21 710846 22 703047 23 712209 25 712545 26 712546 27 706185 28 703330 29 703650 30 183790 31 703135 31 704003 31 705258 32 704390 Description Propeller f Vetus 90 KGF 0185 Hydr motor OMM12 5 Shaft end thruster Thruster pipe Slide rail for thruster Net for thruster Net for thruster Pin 10x50 Split Oil sealing ring 25x35x07 O ring 31 38x1 78 nitrile Chain Shackle 4mm Pointed screw M5x6 Allen screw M5x12 Allen screw M8x20 Lock nut 8 Allen screw M6x35 Disc M6 Allen screw M6x12 Hydr coupling Aeroquip 1 2 BSP male Hydr coupling Aeroquip 1 2 BSP female Dust cap Aeroquip 1 2 Dust plug Aeroquip 1 2 O ring 17 86x2 62 Hydr coupling Aeroquip 3 8 BSP male Hydr coupling Aeroquip 3 8 BSP female Dust cap Aeroquip 3 8 Dust plug Aeroquip 3 8 O ring 13 30x2 4 Socket T 3 8 BSP T piece
12. DESMI DOP DUAL TERMINATOR skimmer WARNING Keep away from the rotating pump screw and cutting knives The pump screw cutting knives are designed for cutting debris normally found at oil spill sites and will also cut off fingers and other limbs Always keep a safety distance to the pump of minimum 2 m 7 ft when the pump is connected to the hydraulic power supply A After the skimmer has been recovered connect the hydraulic hoses to the power supply and empty the DOP DUAL pump of oil and water Disconnect the hydraulic hoses again and remove the weir lip adapter from the hopper by unlocking the clamp and remove the rubber bellows Clean the complete skimmer and weir lip adapter using a solvent consistent with the medium skimmed CAUTION Do not use caustic cleaning solutions as this may damage aluminium parts Wash the skimmer with FRESH water Connect the hydraulic hoses to the power supply and flush the DOP DUAL pump with fresh water letting the pump run slowly Disconnect the hydraulic hoses and clean carefully all hydraulic quick couplings as well as the discharge coupling Check for leaks and tighten up if necessary Check the oil level in the thruster gear housing 5 2 Inspection the DOP DUAL pump A Snap off the float pipes with the floats from the pump section by pulling the eyes on the locking devices Remove the hopper part from the mounting flange The pump is now ready for inspection after operation
13. a small pond next to the river and lead the oil into it Both solutions work very well with the DESMI DOP DUAL TERMINATOR placed in the middle of the circulating oil Control the skimmer from the power supply or remote control for instance placed on a truck together with the hose reel In some situations it is not possible to get close to the river bank as the ground is too soft or muddy Now the easy handling of the DESM TERMINATOR skimmer becomes obvious Carry the pump section and the floats with the float pipes to the river bank and assemble the skimmer there Also bring the discharge and hydraulic hoses and the wire OPTION and connect them to the skimmer Lift the skimmer into the water and float it into the apex of the containment configuration The shallow draft of the DESMI DOP DUAL TERMINATOR enables the skimmer to operate very close to the river bank Large debris must be deflected before it enters the sweep Rakes nets or boat hooks used from small boats will be quite useful In some situations it is even possible to deflect debris by means of a steel wire stretched across the river in or below the water surface and placed in a small angle relative to the direction of the current The combat of oil spills in large rivers will in most cases follow what is described in para 3 2 or 3 3 above 3 5 spills on the shoreline Unfortunately this kind of clean up operation is not very unusual It is very threatening to the wildlife en
14. according to pump manual section 4 4 5 3 Protection of the DOP DUAL TERMINATOR skimmer 5 4 A After inspection of the pump Reassemble the float pipes with the float and the hopper on the pump Reassemble the weir lip adapter in the hopper Lubricate all quick couplings using anti corrosion oil and fit the dust caps or dust plugs on all couplings Store the skimmer in a dry place free of dust The skimmer should be wrapped in plastic or by other means protected from a dusty environment when not in use Protect the skimmer against sunlight The rubber bellows on the weir lip adapter may be damaged after long time exposure to sunlight Preventative maintenance of DESMI DOP DUAL TERMINATOR floatation system A Very little effort is necessary to keep the floatation system in the necessary state of readiness which is required for all oil spill recovery equipment Follow the directions given in Section 5 1 Inspect all surfaces for possible damage due to collision with for instance the recovery vessel Check the floats and float tubes for leaks Water in the float or tube will indicate a leak The floats are made of oil resistant polyethylene plastic which is almost shockproof but nevertheless damage is possible If a leak is detected contact your local DESMI RO CLEAN representative for repair Check the O sealing rings in the hydraulic quick couplings Replace them if they look worn out Keep the couplings clean
15. at to protect first of all Communication Information Surveillance Command Strategy planning Etc Regarding the equipment described in this manual the most important common factors for success are e Maintenance and e Training NOTE Training again and again is the only way to be sure to realise the full capacity of your DOP DUAL TERMINATOR skimmer system It is also critical to ensure proper preventative and corrective maintenance as described in this manual 3 2 Oil spills at sea An overflow weir skimmer should always be within sight of the operator The closer the operator is to the skimmer the better the control and recovery efficiency For best manoeuvrability use the skimmer s in a single or double sweep configuration with the skimmer s in the apex of the ship s side sweep boom s For larger oil spills the configuration may be combined with J sweep s Fig 2 which will feed oil into the system from a wider area WIND DIRECTION Use for instance towable storage bladders for storage As the ship moves forward through the water the side sweeping booms concentrate the oil as the surface area within the sweep is reduced This naturally increases the thickness of the oil layer It is important that the ship maintains a constant speed of approximately 0 75 knots with most boom systems Move through the slick and allow the oil layer to build up in the apex of the boom before starting the ski
16. bris from the skimmer by hand stop the skimming operation and disconnect the hydraulic hoses at the hydraulic power supply For safety reasons always keep a distance to the skimmer of min 2 m 7 ft when the skimmer is connected to the hydraulic power supply Off loading with the DOP DUAL skimmer pump dismantled from the floats is described in the DOP DUAL pump manual section 3 4 4 Recovery after operation WARNING Always keep a safety distance to the pump of minimum 2 m 7 ft when the pump is connected to the hydraulic power supply A The thrusters can be used to move the skimmer to the crane or winch B The contents of the discharge hose may be discharged by means of the pump Empty the discharge hose by slowly and carefully reversing the pump LOW ROTATIONS CAUTION Take care that the discharge hose is not being sucked into the pump as this will result in severe damage to the hose If possible lift up the hose with a crane so that the liquid runs back to the pump If it is not possible to discharge the hose by means of the pump Flush the hose using diesel and water with the pump in pumping mode C Disconnect the hydraulic hoses at the power supply for safety reasons D Follow the instructions in section 5 5 0 INSPECTION AFTER OPERATION AND PREVENTATIVE MAINTENANCE NOTE See DOP DUAL pump manual section 5 for preventative maintenance and section 6 for corrective maintenance 5 1 Clean the
17. can be dangerous if the safety precautions in this manual are not followed Do not use the equipment without being familiar with the safety instructions The customer is responsible for accidents caused by the equipment if the safety instructions in this manual are not being followed 2 0 21 Fig 1 TRANSPORTATION AND MOUNTING Transportation of the skimmer DOP DUAL TERMINATOR skimmer is equipped with a lifting device for transportation of the assembled skimmer or for transportation of the pump section alone Also the three float pipes are equipped with carrying handles so 3 6 persons can carry the assembled skimmer CAUTION Do not lift the skimmer in other parts than the lifting device or the carrying handles For towing and positioning the skimmer when deployed use the tow point LIFTING POINT TOW POINT CARRYING HANDLES Clamp Hydr drain Hydr pressure Float pipe Float pipe lock Hydr return Hopper Weir lip adapter Oe FS Weight 162 kg 357 Ibs excl thrusters 195 kg 430 Ibs incl thrusters 2 2 Mounting A Remove from the container OPTION the pump section incl hopper with weir lip adapter and the 3 float pipes fig 1 item 4 with the floats and the thrusters B Snap on the float pipes with the floats to the pump section Mount the thrusters to the float pipes C
18. chines connected to the power pack Never use any spray starting aids Keep all advice and warning stickers in legible condition When stored or in operation on a ship secure all equipment safely to the deck Operators must frequently train in the use of power pack oil skimmer Oil containment boom systems in order to work safely with these systems Observe the hydraulic oil level and temperature frequently during operation Stand in front of the control panel and keep safety distance to the sides of the power pack during operation Do not lean against the machine as this may vibrate and the engine exhaust pipe and fumes can be very hot Never use power packs with detent control levers for powering boom winders Always use ear protectors when operating power packs or hydraulic motors Use safety gloves safety shoes and clothes during operation or maintenance Sucking in of solid particles by air blower should at all times be avoided as these may be ejected from the discharge flange at high speed and cause injury During operation all personnel must pay attention to the danger of falling due to oily surfaces and hoses between power packs and connected machinery During deployment of skimmers the personnel must pay attention to the danger of skimmers and hoses being caught by moving rotating element such as ships and ship screws Keep a safety distance to skimmers of minimum 1 4 meter The sound pressure level of skimmers in water or
19. e restarting Slow down pump RPM see just above Check for leaks in the WLA The crane may pull side ways in the lifting device Make sure it does not disturb the free movement of the skimmer Clear away debris Help feeding the skimmer using rakes etc concentrate more oil for the skimmer to work in 7 0 TECHNICAL SPECIFICATIONS FOR DESMI SKIMMER TYPE DESMI DOP DUAL TERMINATOR Dimensions Draft Weight dry With DOP250DUAL pump With DOP200DUAL pump Skimmer pump Max recovery rate Max Pressure Thrusters Materials DOP DUAL pump Floats hopper and floating collar Bellows Float pipes Other parts Coating Pump Length 2100 mm 82 7 Width 2330 mm 91 7 Height 930 36 6 700 mm 27 6 excl thrusters incl thrusters excl thrusters incl thrusters 162 kg 357 Ibs 195 kg 430 Ibs 150 kg 331 Ibs 183 kg 404 Ibs DOP DUAL vertical positive displacement Archimedes screw type For details see DOP DUAL pump manual With DOP250DUAL pump with OMTS200 hydr motor 100 m3 h at 1 bar With DOP250DUAL pump with OMTS160 hydr motor 125 m3 h at 1 bar With DOP200DUAL pump 66 m3 h at 1 bar With DOP250DUAL motor 10 bar 145 psi With DOP200DUAL motor 13 bar 188 psi Optional See DOP DUAL pump manual Oil resistant polyethylene plastic PE HD Oil resistant neoprene rubber Stainless steel Stainless steel and seawater resistant alumin
20. ions are properly connected to the skimmer C Check that the locking devices on the hydraulic quick couplings are locked D The hydraulic drain line must always be used and must go directly to the hydraulic tank on the power supply E Check that the discharge hose is unblocked and free of twists F Connect the hydraulic hoses to the hydraulic power supply and lock the locking device on the hydraulic quick couplings G Check that all the hydraulic functions can be operated from the remote control box Check direction of rotation of the pump screw and direction of the thrusters CAUTION The pump should never run dry for more than a few seconds just enough to check direction of rotation Observe the safety distance of 2 m 7 ft H Disconnect the hydraulic hoses at the power supply Do not connect hydraulic hoses before the equipment has been deployed 4 3 Operation WARNING A safety distance to the skimmer pump minimum 2 m 7 must be observed by all personnel when the skimmer pump is connected to the hydraulic power supply Also when the skimmer pump is not running NOTE When pumping non oily media e g water during a training session grease the plate wheel bearings every 8 hours of operation using the grease nipple on the plate wheel shaft A Launch the skimmer using a crane or winch or even a helicopter and use the thrusters to place the skimmer in the right position for recovering oil Now
21. ium Primer company paint 20 7 0 DRAWINGS 21 DRAWINGS 11 WHERE MEASUREMENTS CRITICAL REQUEST CERT 1030 Lifting point 600 I a inlet diam 720mm Towing point 5 Hydraulic 4 quick couplings A N Discharge coupling 4 8 4 W N 2100 2 N A gt Carrying handles SX 1030 21 Weight 165kg DESMI 48 11 62 A S De Smithske Blad 1 af 1 blade TERMINATOR SKIMMER J 0 226 DK 9400 N rresundby Denmark Dato 01 09 13 22 0 DOP DUAL Uae Bhat BA is Subject to alterations ALL RIGHTS RESERVED 5 2002 SJO PSMIY YIM JO OUIWIS ONG dOd 59 1102 yOInb uphky 3 a 3 19 5 1 1 5 yurod 156 ty
22. let the DESMI DOP DUAL TERMINATOR recover it there Operate the skimmer from the shore or a vessel or barge and store the oil in a land or sea based facility Large spills light to medium viscosity As above Large spills high viscosity As above but dismantle the DOP DUAL pump from the floats for transfer of the oil See pump manual para 3 1 4 0 OPERATION THE DESMI DOP DUAL TERMINATOR SKIMMER WARNING WHEN OPERATING A safety distance to the skimmer pump of minimum 2 m 7 ft must be observed by all personnel when the skimmer pump is connected to the hydraulic power supply Also when the skimmer pump is not running 4 1 Operation principle The DESMI DOP DUAL TERMINATOR is an overflow weir type skimmer It consists of the pump section the three floats with connecting tubes and the hopper with the weir lip adapter The weir lip consists of a corrugated rubber membrane with a ring shaped float floating inside the hopper On land the ring float on the weir lip adapter will be in its lowest position due to the empty hopper When the 6 skimmer is being deployed the oil starts flowing over the weir lip and into the hopper The ring float will begin floating on the oil in the hopper The buoyancy will lift up the ring float until the oil stops entering the hopper Fig 3 Weir lip adapter operation principle As soon as the pump starts pumping causing a lower oil level in the hopper
23. mmer pump We recommend an oil layer of at least 2 cm 3 4 or more for best efficiency Fig 2 J configuration Try to minimise the total time that the oil is within the collection area before being skimmed in order to reduce the risk of oil escaping under the boom If in doubt it is always better to start skimming too early than too late Any excess water is not a serious problem since the DOP DUAL skimmer pump does not emulsify the oil and water The free water can easily be decanted from the storage tank or collapsible barge and pumped out in front of the collection sweep Debris is a universal problem in almost all oil spill situations However the cutting knives on the inlet of the DESMI DOP DUAL pump will handle a lot of the debris normally found at a spill site Seaweed kelp plastic bags aluminium cans bottles dead birds rope up to 1 2 wood up to 1 pine dowel etc Larger debris such a lumber tree trunks large branches dead animals etc must be manhandled in most situations One way is to pull it away from the skimmer after it enters the sweep The best way is to deflect the bigger debris before it enters the containment boom Various techniques exist such as having personnel located in a boat in front of the sweep using rakes to pull away the debris Deflecting debris may cause deflection of some oil as well This is however far better than loosening all the oil contained in the boom due to damage or o
24. ng device 1111111 23 681505 Lifting device 111 24 710850 2135 x 3 5 1111111 25 703641 3 4 3 4 222222202 26 703636 Bonded seal 212 212121414 26 711429 Bonded seal 2 Pc 27 682161 Support bolt 33331313 28 682151 Thruster 212 28 704066 Disc 8 7177777 29 710857 hose 3 4 length 300 mm 1111111 11 11 1 1 30 710858 hose 3 4 length 320 mm 1111111 11 11 1 1 31 710859 hose 3 8 length 275 mm 11111 32 180925 Bulkhead connection 3 4 3 4 BSP 2 2 2 2 Pc 32 181348 Bulkhead connection 1 3 4 BSP 2 2122 33 705989 Counter nut 3 4 2121212 2 2 2 2 34 708303 coupling 3 4 AEROQUIP BSP female 111 11111 34 711352 coupling 3 4 St St female 1 34 705183 coupling 1 TEMA female 1 34 708302 coupling 1 AEROQUIP BSP female 1 Pc 35 705573 Dust plug 3 4 AEROQUIP 1 11111 28 5 5 Description S 5 Unit 918 9181818 8 33383 38 35 703622 Dust plug 3 4 1 Pc 35 705458 plug 1 AQ 1 1 Pc 35 705184 Dust plug 1 TEMA 1 Pc 36 705121 Hydr coupling 3 4 AEROQUIP BSP male 1 11111 36 705128 coupling 1 AEROQUIP BSP male 1 1
25. oil does not exceed 70 dB A When operating skimmers on land the safety area must be marked by barrier tape in a height of 1 0 meter and at least 1 4 meter from the skimmer When testing skimmers on land make sure that these are grounded to avoid sparks from static electricity NOTE Refer to user manuals for ancillary equipment Designation Type Type of the pump Spec Part no Serial no Week Year Gross Weight MANUFACTURED BY DESMI A S DK 9400 Norresundby Phone 45 96 32 81 11 Telefax 45 98 17 54 99 WARNING This equipment can be dangerous if the safety precautions in this manual are not being followed Do not use the equipment without being familiar with the safety precautions in this manual The customer is responsible for accidents caused by the equipment if the safety instructions are not being followed WARNING Keep away from the rotating pump screw and cutting knives The pump screw cutting knives are designed for cutting debris normally found at oil spill sites and will also cut off fingers and other limbs WARNING Always keep a safety distance to the pump of minimum 2 m 7 ft when the pump is connected to the hydraulic power supply Do not connect the hydraulic hoses to the power supply until you are ready for operation 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 5 GENERAL TRANSPORTATION AND MOUNTING 2 1 Transportation of the skimmer 2 2 Mounting
26. onnect the drain hoses from the thrusters to the drain couplings on the skimmer manifold C Check that the clamps on the hopper and the weir lip adapter are secured WARNING Always keep a safety distance to the skimmer pump of minimum 2 m 7 ft when the skimmer pump is connected to the hydraulic power supply Do not connect the hydraulic hoses to the power supply until you are ready for operation D Connect the hydraulic hoses from the power source and discharge hose to the pump section Check that all hydraulic couplings are properly connected and locked Inflate the hose carrying floats tie them and the hydraulic hoses to the discharge hose The supplied nylon ropes in the toolbox are for that purpose 3 0 RESPONSE TACTICS 3 1 General remarks It is very difficult to generalise when discussing oil spill situations Each spill has its own set of characteristics Location close to shore or far off shore environmental sensitivity shallow or deep water waves current wind speed and direction temperature size of spill type of oil time after spill debris etc However there are common factors that influence how successful the clean up operation will be and they should all be incorporated in an appropriate contingency plan e Availability and capability of equipment ships skimmer systems booms pumps storage tanks etc and maintenance of the same Availability of manpower well trained not trained Wh
27. ther complications caused by for instance a large tree branch Larger spills high viscosity 3 3 3 4 Attach the belt skimmer OPTION to the TERMINATOR COMBINATION SKIMMER and recover the high viscous oil by using the thrusters OPTION to manoeuvre the skimmer to the most optimum recovery position The belt should be operated either forwards or backwards dependent on the condition of the oil and how it floats to the skimmer Oil spills in lakes and shallow water The recovery principle is the same as for open sea but you normally use smaller vessels You will soon realise the advantages of the lightweight DESMI DOP DUAL TERMINATOR skimmer its shallow draft its flexibility and easy handling Oil spills in rivers Again there is a large variety of situations depending on the characteristics as listed in para 3 1 above Unless the river is very large the objective is to keep the recovery equipment fixed to the river bank or structures in the river while the water with the spilled oil is doing the work Always try to deflect the oil to the slow side of the river if possible The DESMI DOP DUAL TERMINATOR must be placed in a way which ensures the maximum flow of oil to the hopper In some situations it is possible to form a small circulation area close to the river bank where the deflected and concentrated oil will rotate in a direction drive by the incoming oil flowing along the boom A very efficient way to ensure this is to dig
28. ump in vertical design DOP DUAL the DOP DUAL TERMINATOR skimmer is able to efficiently recover light as well as heavy oil also when mixed with debris normally found in connection with oil spills The DESMI DOP DUAL TERMINATOR self adjusting weir lip adapter which is mounted on the hopper makes the skimmer capable of dealing with even thin oil layers of light to medium viscosity oil STILL obtaining high recovery efficiency Thus the amount of water recovered along with the oil will be minimal at any pump RPM and recovery rate The skimmer is fitted with a flotation system with to provide the necessary buoyancy Hydraulic power to the skimmer pump is supplied through hydraulic hoses connected to the power supply or remote control box A discharge hose connects the skimmer to the storage tank The hoses will not affect the buoyancy of the skimmer as they are equipped with their own floats The DESMI DOP DUAL TERMINATOR skimmer is designed as an advancing skimmer to operate in conjunction with a floating containment boom Do not start the skimmer pump before a sufficient oil layer is collected DESMI recommend a minimum of 2 cm 3 4 The recovery efficiency may vary from 50 to 100 subject to oil quantity oil layer thickness oil viscosity make wave conditions towing speed and maybe most important The operator s skill WARNING This equipment is designed to cope with debris normally found in an oil spill and
29. vironment and results in the most costly recovery method Therefore this situation should by all means be avoided by recovering the oil in open water However there are several ways of making your DESMI TERMINATOR useful in the event of an oil spill on the shoreline but they depend on the actual situation A Regular sandy beaches Small to medium size spill Use beach cleaning machines or bulldozers on the beach and or wash and push oil back into the sea for the DESMI DOP DUAL TERMINATOR to recover it operating in boomed in area Larger spills light oil to medium viscosity Fence in the oil by means of a shoreline boom and operate the shallow draft DESMI DOP DUAL TERMINATOR skimmer from the beach If possible try to push or wash oil on the beach back into the water in order to let the DOP DUAL TERMINATOR recover it Pump the oil to a land based storage or to a sea based facility such as a barge or a towable storage bladder Larger spills high viscosity above but due to the viscosity it may be necessary to dismantle the DOP DUAL pump from the floats and use it for transfer of the spilled oil See pump manual para 3 1 Stony or rocky beaches Small to medium spills light to high viscosity The best way to recover the oil under these conditions is to fence in the oil using a shoreline boom if possible due to weather and sea conditions Wash the oil back into the sea using high pressure hot water cleaners and
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