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Danfoss A/S RO-Solutions
Danfoss A/S RO-Solutions
Headquarter
Danfoss A/S RO-Solutions
CF-C 2003-09 4
Danfoss is a family-owned, global company (no public shares, but approx. 1% employee shares)
Net sales 2002: EUR 2,000 mill
Employees: 17,000 worldwide
Production of 250,000 items per day
Europe North Latin Africa Asia Pacific TotalAmerica America
Manufacturing sites 38 8 3 1 3 0 53
Sales companies 56 8 7 2 15 2 90
Agents and distributors 56
Group figures
Danfoss A/S RO-Solutions
Drives Industrial Controls
Water Valves High Pressure Pumps
Danfoss A/S RO-Solutions
• Swash plate pumps first developed in early 1950 for mobile hydraulics
• Pumps for tap water developed in 1989-1994
• More than 12000 pumps installed in different industries
•APP range developed 2000 –2001 based on the tap water pump
•Pumps running for more than 20.000 hours …without maintenance.
•Over 1600 pumps working worldwide.
Danfoss A/S RO-Solutions
• Low energy consumption
…due to high efficiencies!
Typical volumetric efficiencies at 80 bar APP5.1 - APP10.2
88
90
92
94
96
98
100
750 1000 1250 1500 1800
RPM
%
APP5.1 APP6.5 APP7,2 APP8,2 APP10.2
Danfoss A/S RO-Solutions
• Wide flow range
Typical Flow Curves at 80 bar (1160 PSI)
0
20
40
60
80
100
120
140
160
180
750
1000
1250
1500
1800
Rpm
Flow
(l/m
in)
APP5.1 APP6.5 APP7.2 APP8.2 APP10.2
Danfoss A/S RO-Solutions
Typical Flow Curves at 80 Bar ( 1160 psi )
0,0
5,0
10,0
15,0
20,0
25,0
30,0
35,0
40,0
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Pump Rpm
Flow
( l/m
in )
APP 0,6 APP 1,0 APP 1,8 APP 2,2
Danfoss A/S RO-Solutions
•Low pulsation, Compact Design
Danfoss A/S RO-Solutions
Pulsations and loss in flow
95,00
96,00
97,00
98,00
99,00
100,00
20 40 80
Delta Pressurepulsation loss
Danfoss A/S RO-Solutions
1): Ceramic, Carbon and NBR rubber
2): W.nr:1.4401 , AISI 316
4, 5, 6,7, 8,11): W.nr:1.4410 , SAF 2205, Duplex
W.nr:1.4462 , SAF 2507, Super Duplex
10): Carbon reinforced PEEK
Danfoss A/S RO-Solutions
CPT curves for stainless grades in neutral solutions with various chloride contents. 254 SMO, and SAF2507 are typically not attacked when used in seawater desalination.
Danfoss A/S RO-SolutionsHorizontal or vertical installations with the pump hanging down
Danfoss A/S RO-SolutionsEnergy Consumption
ηvol ηmek Kw/m3 @ 80 bar
APP1,0 95% 92% 2,8
APP2,2 98% 90% 2,5
APP8,2 97% 92% 2,6
APP10,2 98% 93% 2,5
Danfoss A/S RO-SolutionsAll around the pump…
Check valves, standpipes, high pressure hoses with Victaulic connectionsand…
Danfoss A/S RO-SolutionsService Demand
• No breakdowns due to wear and tear reported since the introduction of the APP pumps. Several pumps have run for more than 20.000 hours in various RO-plants.
• Over a 3 year-period it is recommended to incorporate an overhaul of the pump replacing pistons, valve plate and the mechanical shaft sealing.
Danfoss A/S RO-Solutions
All Combinations available
•Pump sets available for all voltages and surroundings. •EEx-proof Zone II pump sets mounted with stainless steel bell housing and certificates on request.•All Pumps are ATEX approved for operation in hazardous areas.•The compact design and light weight ensure easy replacement and service without lifting gear.
Danfoss A/S RO-SolutionsAcoustic Noise 1 m from isolated pump
APP0,6 – APP2,2 have 5 pistons and APP5,1 – APP10,2 have 9 pistons generating flow variations (pulsations) as little as 1.5%. The valve plates are equipped with slots both in the in and outlet minimising the pulsations that eventually will generate noise further downstream in the system.
1000 rpm@ 40 bar
1000 rpm @ 100 bar
1500 rpm @ 40 bar
1500 rpm @ 100 bar
APP1,0 71 dba 72 dba 75 dba 73 dba
APP2,2 71 dba 71 dba 75dba 72 dba
APP8,2 74 dba 73 dba 77 dba 75 dba
Danfoss A/S RO-SolutionsEnergy Recovery on 500 m3/day plants
Plant in Spain
•3 x APP8.2 running in parallel giving 20 m3/h
•ERI Pressure Exchanger and Booster Pump
•Total energy consumption2.3kW/m3
Plant in Turkey
• 4 x APP6.5 running in parallel one with a VLT to adjust the flow range
•ERI Pressure Exchanger and Booster Pump
•Total Energy consumption 2.04 kW/m3
Danfoss A/S RO-SolutionsEnergy Recovery – Reversing Pumps
M APPAPP
10040
60
M
APP
APP
M
APP
APP
APP
i = 1
Danfoss A/S RO-Solutions
APP 1.0 / APM 0.6 Energy consumption vs pressure
double shaft electrical motor
3,003,203,403,603,804,004,204,404,604,805,00
50 55 60
Bar
kWh/
m3 0,25 m3/h
0,31 m3/h0,37 m3/h
Danfoss A/S RO-Solutions
APP 1.0 / APM 0.6 Energy consumption vs Permate
double shaft electrical motor
3,003,203,403,603,804,004,204,40
0,25 0,31 0,37m3/h
kWh/
m3 50 bar
55 bar60 bar
Danfoss A/S RO-Solutions
Summary
• Low energy consumption
• Long service life
• Corrosion resistant
• High pressure operation
• Wide flow range
• Low pulsations
• Compact design
Amafilter – GermanyAqua Fresh – UKAquaLyng – SpainBalder – SpainBerkefeld – GermanyCadaqua – SpainCulligan - ItalyDelca – The NederlandsDesal Supplies – UKDSS – DenmarkGefico – SpainHOH – DanmarkHOH Canaries - SpainMembrane SRL – ItalyOdis – IsraelSalcon – AustraliaSeafrech – UKSisyan – MexicoSK Water – USSOE - ChinaSole – SpainTamak – USTCA – SpainTemak – GreeceTesaqua – SpainVivendi – GlobalWET - US
Danfoss A/S RO-SolutionsReferences:
Mærsk – Olie & GasHydrotech - SpainMagic Boats – SpainArabaust – DubaiPeter Taboada – SpainMalta Desalination - MaltaID&WT - Denmark
Morkeblå – NorgeTCA - Spain
Idaqdua – SpainH2AU - Australia
Danfoss A/S RO-Solutions
Thank you for your attentionany Questions?