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Презентация была опубликована 9 лет назад пользователемМария Шалыганова
1 UltraGas ® Competitors comparison
2 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich2 Contents Viessmann Vitocrossal 200 CM2 Vitocrossal 300 CU3 Vitocrossal 300 CT3 Vitocrossal 300 CR3 Buderus Logano plus SB315 VM Logano plus GB312 Logano plus SB615/735 Logano plus SB825 Logano plus GB434
3 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich3 Contents Comparison electrical power consumption Gas consumption Comparison HT return UltraGas ® benefits
4 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich4 Viessmann Vitocrossal 200 CM2 Matrix Vitocrossal 200 CT2 Matrix Vitocrossal 300 CU3 Vitocrossal 300 CT3 Vitocrossal 300 CR3
5 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich5 Viessmann Vitocrossal 200 Vitocrossal 200 CM2, CT2 MatriX ( kW) Vitocrossal 200 CM2, CT2 MatriX D ( kW) Advantages against UltraGas ® : None Disadvantages against UltraGas ® : MatriX-burner modulation just 1:3 (42-100%) although a venturi system is used Doesn't have a high-temperature return Because of the inclined position of the heat exchanger surface no ideal stratification is achieved – baffles are necessary in the rear of the boiler to achieve a cold area Condensate pipeline from the furnace to the condensate collection box and drain
6 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich6 Viessmann Vitocrossal 300 Vitocrossal 300 CU3 MatriX (27-66 kW) Vitocrossal 300 CM3 MatriX ( kW) Advantages against UltraGas ® : C(x) – Zulassung bis 66 kW Disatvantage against UltraGas ® : MatriX-burner modulation just 1:3 Very expensive heat exchanger design in this small capacity range
7 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich7 Viessmann Vitocrossal 300 CT3 Vitocrossal 300 CT3 ( kW) Vitocrossal 300 CT3 ( kW mit VMB) Advantages against UltraGas ® : Easy to bring in Disadvantages against UltraGas ® : Only obtainable with pressure jet burners High service costs for the burner (large number of wearing parts) High flue gas emissions (pressure jet burner) Reduced modulation High flue side sound power emissions Sound insulation necessary (investment costs) Large footprint because of pressure jet burner (swivelling boiler door for service – side clearance) and sound insulation Small flue side overpressure (large stack dimensions) No certified twin boiler units with overpressure in the stack Difficult access to the heat exchanger (inspection)
8 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich8 Viessmann Vitocrossal 300 CR3 Vitocrossal 300 CR3 ( kW) Advantages against UltraGas ® : Small height Disadvantages against UltraGas ® : Only obtainable with pressure jet burners High service costs for the burner (large number of wearing parts) High flue gas emissions (pressure jet burner) Reduced modulation High flue side sound power emissions Sound insulation necessary (investment costs) Very high electrical power consumption (running costs) Large footprint because of pressure jet burner (swivelling boiler door for service – side clearance) and sound insulation Small flue side overpressure (large stack dimensions) No certified twin boiler units with overpressure in the stack Difficult access to the heat exchanger (inspection)
9 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich9 Buderus Logano plus SB315 VM Logano plus GB312 Logano plus SB615/735 Logano plus SB825 Logano plus GB434
10 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich10 Buderus Logano plus SB315 Logano Plus SB315 VM ( kW) Advantages against UltraGas ® : None Disadvantages against UltraGas ® : Pre-mix burner modulation just 1:3 Very expensive heat exchanger design in this small capacity range Large footprint
11 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich11 Buderus Logano plus GB312 Logano Plus GB312 ( kW) Advantages against UltraGas ® : Boiler (cheap) ancillaries (pump, piping etc.) make it expensive Disadvantages against UltraGas ® : Aluminium-Silicon heat exchanger (St.e. just 108%) No separate high temperature return Small water volume Minimum water flow (hydraulic balancer - design expense - condensing (not condensation) efficiency is negatively affected Shunt pump necessary (efficiency!!) Very high electric power consumption of the shunt pump (running costs) Danger of leakage because of segment design Waterside Aluminium – danger of corrosion and erosion Danger of sludge collection in the heat exchanger Very critical on mixed material installations System separation with PHE on extreme conditions Large required floor space for twin boiler units
12 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich12 Buderus Cascades Logano Plus GB312 Cascades ( kW) twin boilers
13 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich13 Buderus Logano plus GB402 Logano Plus GB402 ( kW) Advantages against UltraGas ® : Boiler (cheap) ancillaries (pump, piping etc.) make it expensive Disadvantages against UltraGas ® : Aluminium-Silicon heat exchanger No separate high temperature return Small water volume Minimum water flow (hydraulic balancer - design expense - condensing (not condensation) efficiency is negatively affected Shunt pump necessary (efficiency!!) Very high electric power consumption of the shunt pump (running costs) Danger of leakage because of segment design Waterside Aluminium – danger of corrosion and erosion Danger of sludge collection in the heat exchanger Very critical on mixed material installations System separation with PHE on extreme conditions Large required floor space for twin boiler units
14 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich14 Buderus Logano plus SB615,735 Logano Plus SB615 VM ( kW) Logano Plus SB615 ( kW) Logano Plus SB735 ( kW) Advantages against UltraGas ® : None Disadvantages against UltraGas ® : Pre-mix burner modulation just 1:3 Up from 350 kW just available with pressure jet burner With pressure jet burner High service costs for the burner (large number of wearing parts) High flue gas emissions (pressure jet burner) Reduced modulation High flue side sound power emissions Sound insulation necessary (investment costs) Very high electrical power consumption (running costs) Large footprint because of pressure jet burner (swivelling boiler door for service – side clearance) and sound insulation Small flue side overpressure (large stack dimensions) No certified twin boiler units with overpressure in the stack Difficult access to the heat exchanger (inspection)
15 Buderus Logano Plus SB 745 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich15 Logano Plus SB 745 ( kW) Advantges in comperison UltraGas ® None Disadvantages to the UltraGas ® : large footprint Heat loss rate Logano plus SB 745: 0.2%, UltraGas ® : 0.12% Lower feed pressure at the combustion air /flue gas pipe Logano plus SB 745: 50 Pa, UltraGas ® : 130 Pa Pressure jet burner High service costs for the pressure jet burner (more spare parts) Higher emission rate (pressure jet burner) Logano plus SB 745: 70 mg/kWh, UltraGas ® : 35 mg/kWh Smaller modulation rate: Logano plus SB 745: 1: 3, UltraGas ® : 1: 6 Higher exhaust noise level Therefore, acoustic measures are necessary (investment costs ) Very high electrical energy consumption (operating cost)
16 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich16 Buderus Logano plus SB825L Logano Plus SB825L ( kW) Logano Plus SB825L LN ( kW) With add on stainless steel heat exchanger Hydraulic resistance 200 mbar Low efficiency: Return - temperature 30°C: Fluegas temperature:106°C – 110°C Return - temperature 60°C: Fluegas temperature:120°C – 130°C
17 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich17 Buderus Logano plus GB434
18 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich18 Buderus Logano plus GB434 Logano Plus GB434 ( kW) Advantages against UltraGas ® : Boiler (cheap) ancillaries (pump, piping etc.) make it expensive Easy to bring in Disadvantages against UltraGas ® : 4-step burner, 2 blocks with 2 steps each Small flue side overpressure (large stack dimensions) CO 2 -value just at % (low dew point) Complex hydraulic implementation Boiler circle with + separate condensing circle with additional pump (3.5 m 3 /h) High hydraulic resistance considering both heat exchangers Cast-iron heat exchanger with add on heat exchanger Standard efficiency up to 106 % (Buderus numbers)
19 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich19 Hydraulic schematic
20 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich20 Hydraulic schematic
21 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich21 Main problems with aluminium heat exchanger built in segments: Water channels are parallel connected Blocking of the water channels if there is sludge in the heating water Hot spot corrosion Boiling on the water side if the water flow is to low The aluminium gets soft if the pH – Value of the heating water is greater than 9 At points with high flow velocity of the heating water the aluminium will be reduced (wall thickness of the heat exchanger) Competitor analyses with aluminium heat exchanger
22 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich22 Water Flue gas Efficiency Behaviour 80/60 °C Efficiency behaviour at connection type Heating 80/60 °C Use low temperature return (LT return) 100% = 96% at 100% load 80°C 60°C
23 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich23 Water Flue gas Efficiency Behaviour 40/30 °C Efficiency behaviour at connection type Heating 40/30 °C Use low temperature return (LT return) 100% = 105% at 100% load 40°C 30°C
24 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich24 Water Flue gas Efficiency Behaviour 80/60/30 °C Efficiency behaviour at connection type Heating 80/60 °C and 40/30 °C Use HT return 60 °C (RL HT = 90-95%) und NT- return 30 °C (RL NT = 5-10%) 100 % 5-10% 90-95% = % at 100% load The mixed return temperature Would be 58.5 °C => 96% 80°C 30°C 60°C
25 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich25 Efficiency Behaviour with Modulation BLUE Efficiency increase with separated return HT-Return 60 °C (Return HT = 90-95%) and LT-Return 30 °C (Return LT = 5-10%) RED Efficiency increase with boiler cascading 2 boilers at 50% load instead of 1 boiler at 100% load 2x50% 1x100% Separate return Common return
26 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich26 Comparison HT return High temperature return Hoval UltraGas ® Viessmann Vitocrossal 300 Buderus SB Serie No high temperature return Viessmann Vitocrossal 200 Buderus GB Serie Remeha (yes – but not working!) Vaillant ecoCRAFT Brötje Eurocondens Wolf Elco Rendamax R3400
27 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich27 Gas Consumption Rough estimated gas consumption: Boiler capacity x 1700 h/a = kWh/a gas consumption example: 200 kW x 1700 h/a = kWh/a Gas consumption[kWh] x difference in efficiency = difference in consumption Example at 1% Diff.: kWh/a x 0.01 = 3400 kWh/a 3400 kWh/a = 340 m 3 /a Gas Appears: generally bad efficiency or higher return temperature with a shunt pump. 1 Litre Oil = 1 m 3 Gas = 10 kWh
28 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich28 Summary Considering the overall quantities the UltraGas ® ( D) is the best Gas condensing boiler, on the market. High modulation with reliable burner system High reliability - moving parts are fan and valve High efficiency Up to 1440 kW as unit with pre-mix burner Certified double-boiler units UltraGas ® (250D-1440D) with common flue in overpressure design Ultraclean ® burner system from kW Low emissions from kW Low noise level from kW (especially flue side)
29 Hoval Aktiengesellschaft / Aug-13 UltraGas® - Wettbewerbsvergleich29 Summary Considering the overall quantities the UltraGas ® ( D) is the best Gas condensing boiler, on the market. Compact design Large water volume No minimum water flow Minimum hydraulic resistance aluFer ® - high grade steel heat exchanger from kW No waterside Aluminium, but high grade steel Very simple service Simple purification of the aluFer ® - tubes Minimum electrical power consumption
30 Thank you for your attention. Technologically superior indoor climate control solutions from the Alps. Technologically superior indoor climate control solutions Thank you for your attention.
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