Always the best climate for LIFE

Transcription

1 Always the best climate for LIFE Toomas Kolk Regional Manager Baltics Civil Engineer Kaunas 2019

2 Structure Introduction and background Introduction of ZGEE and Zehnder Group Heat transfer principles Issues with conventional convective heating systems Radiant heating Principles and explanation of radiant heating Benefits of radiant heating References and applications Radiant cooling Issues with convective cooling systems Principles and explanation of radiant cooling Benefits of radiant cooling References and applications 2

3 Structure Introduction and background Introduction of ZGEE and Zehnder Group Heat transfer principles Issues with conventional convective heating systems Radiant heating Principles and explanation of radiant heating Benefits of radiant heating References and applications Radiant cooling Issues with convective cooling systems Principles and explanation of radiant cooling Benefits of radiant cooling References and applications 3

4 Best climate in the world The Zehnder Group is represented in 25 countries and our products are available in over 70 countries. 4

5 Around Numbers that speak for themselves Innovations since 1895 more than 830 patents and design rights around the globe Available in over 70 1stmanufacturer of steel and bathroom radiators anywhere in the world 3,000 countries employees More than 20,000 customer training sessions per year 14 of our own production plants in Europe, North America and China 5

6 History of the Zehnder Group The beginning of Jakob Zehnder s first mechanical workshop for bicycles and all kinds of repairs in Gränichen. Second new beginning. Invention of the first steel radiator by Robert Zehnder New beginning after the economic crisis. Success of the legendary light motorcycle Zehnderli. Introduction of the first towel radiator. Launch on stock market. Acquisition of Runtal and Acova. 6

7 History of the Zehnder Group Entry into the ventilation and cooling ceiling sector. Positioning of Zehnder as a complete system provider / Entry into the industrial air cleaning systems sector through the takeover of Freshman AB/SE development of the Clean Air Solutions division. Introduction of the world s first radiator with a polymer heating register Zehnder Zmart. 7

8 Products and systems from Zehnder Decorative radiators Comfortable indoor ventilation Heating and cooling ceiling systems Clean air solutions 8

9 Training-/ showroom and warehouse in Tallinn, Estonia 9

10 Inspiration 10

11 Heat transfer 11

12 12

13 Convective space heaters (warm air blowers) 13

14 Problems with convective heating 14

15 Convective heating Kiirguskütte eelised ja toimivus Warm head Cold feet 15

16 Results? 16

17 Structure Introduction and background Introduction of ZGEE and Zehnder Group Heat transfer principles Issues with conventional convective heating systems Radiant heating Principles and explanation of radiant heating Benefits of radiant heating References and applications Radiant cooling Issues with convective cooling systems Principles and explanation of radiant cooling Benefits of radiant cooling References and applications 17

18 Inspiration 18

19 Working principle of radiant heating Kiirguskütte eelised ja toimivus 19

20 Radiator vs radiant heating panel Kiirguskütte eelised ja toimivus 20

21 Radiant heating panels- Zehnder ZIP example Thermal insulation Celing hung connections Steel cassett 0.45 mm Suspension bars Up to 4 panel lines next to each ohter for higher output needs Galvanized 4 steel tubes per strip DN15 21

22 Zehnder ZIP Zehnderi lahendused 22

23 Distribution of heat of a single radiant panel strip E1 = min. 90 % = AH x 0.5 E2 = min. 70 % = AH x 1.0 E3 = min. 50 % = AH x 1.5 MH E3 E2 E1 E2 E3 50% 70% 90% 100% 90% 70% 50%

24 Optimum spread of ceiling panel strips Panels center distance = mounting height X = AH X = AH E E E E Building without outside wall compensation

25 Temperature comfort with radian heating Kiirguskütte eelised ja toimivus even temperatuure 25

26 Operative temperature Kiirguskütte eelised ja toimivus Radiant heating panel Warm air blower 26

27 Kõrgus m Kõrgus m Radiant heating compared to air heating Radiant heating panel Lae kiirguspaneel Warm air blower Kalorifeerküte Radiant heating panel Warm air blower Õhu temperatuur C Õhu temperatuur C

28 EU norm for heat loss calculation in high spaces Kiirguskütte eelised ja toimivus EN Method of heating and type or location of heaters MAINLY RADIANT Height of heated space 5 to 10 m 10 to 15 m Warm floor 1 1 Warm ceiling (temperature level < 40 C) 1,15 not appropriate for this application Medium and high temperature downward radiation from high level 1 1,15 MAINLY CONVECTIVE Natural warm air convection FORCED WARM AIR 1,15 not appropriate for this application Cross flow at low level 1,30 1,60 Downward from high level 1,21 1,45 Medium and high temperature cross air flow from intermediate level 1,15 1,30 28

29 Benefits Kiirguskütte eelised ja toimivus Energy savings up to over 40% Even indoor climate = comfort No fans = no electrical consumption = no noise and no dust Very low maintance Low temperatures in heating and high in cooling (ideal with HP solutions) Esthetics Easy to design and build 29

30 Estonian mail Omniva hub near Tallinn (logistics center and offices heating and cooling) 30

31 Arcwood CLT production and offices (Põlva, Estonia) heating and cooling 31

32 Heydar Aliev national airport Baku, Aserbaijan VIP plane hall 32

33 Heydar Aliev national airport Baku, Aserbaijan VIP plane hall 33

34 Airbus production plant in France (heating) A380 h=24m Zehnder ZBN People 34

35 Deutsche Bahn train stations

36 Sports hall in Finnland

37 Sport halls, production and logistics all around the world from Russia to US 37

38 Structure Introduction and background Introduction of ZGEE and Zehnder Group Heat transfer principles Issues with conventional convective heating systems Radiant Heating Principles and explanation of radiant heating Benefits of radiant heating References and applications Radiant Cooling Issues with convective cooling systems Principles and explanation of radiant cooling Benefits of radiant cooling References and applications 38

39 Conventional cooling solutions Kiirguskütte eelised ja toimivus Hydraulic fan coil units Passive chilled beams Direct evaporation fan coil units Active chilled beams 39

40 Problems with convective cooling 40

41 Results? 41

42 Paralels to everyday life Kiirguskütte eelised ja toimivus 42

43 Operative (felt) temperature during cooling 30 C 16 C 16 C 30 C t air 24 ` t r t surfaces 24 t air t r t surfaces

44 Real life example T operative = (T air + T surfaces ) /2 T operative = (18*C + 28*C) /2= 23*C T operative = (30*C + 16*C) /2= 23*C

45 Zehnder Carboline Radiant heating and Cooling panel Zehnderi lahendused Thermal insulation (optional acustic Rockphon) Galvanized steel cassette Graphite activation layer Copper tube DN10 45

46 Zehnder Carboline quickest RHC panel

47 Zehnder Carboline Zehnderi lahendused 47

48 Arcwood production and offices (Põlva, Eesti) 48

49 Zehnder PAM Plasterboard Activated Module Zehnderi lahendused For plasterboard (gypsum) celings 49

50 Zehnder PAM Zehnderi lahendused 50

51 Zehnder PAM Zehnderi lahendused 51

52 Zehnder PAM Zehnderi lahendused 52

53 Office Building Ülikooli 2a, Tartu, Estonia 53

54 Sokos Hotel Flamingo Vantaa, Finnland 54

55 Office building Rannamõisa tee 38D,Tallinn, Estonia Zehnderi lahendused 55

56 Questions & answers 56