Slide 1 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012

Slide 2 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 BIOFLEX ® Digester Heating Efficient – Safe – Easy to Install Boost your Anaerobic Digestion with BRUGG Piping

Slide 3 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 BIOFLEX ® Digester Heating Efficient – Safe – Easy to Install Content  The BRUGG Group BRUGG Pipesystems  Digester heating system Why digester heating? Different types of digester heating systems What makes an efficient digester heating system? The BRUGG solution  District Heating What to do with the waste heat of the gensets? Flexible pre-insulated pipe CALPEX

Slide 4 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Brugg Pipesystems Presents to you the BRUGG group

Slide 5 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 The Brugg group Headquartered in Brugg, Switzerland Headquarter in the town of Brugg, 30 km west of Zurich.

Slide 6 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Keydata Shareholders Privately owned; controlled by Suhner, Merker, Wartman families No stock exchange quotation Founded by Gottlieb Suhner in 1896 Sales turnover 2010: 702 Mio. CHF (584 Mio. €) Employees: ca. 2’000

Slide 7 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 World wide network More than 44 companies in 17 countries Switzerland Europe North America / Asia

Slide 8 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Divisions Cable systems Wire rope technology Piping systems Process control systems

Slide 9 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Brugg Rohrsystem AG, Kleindöttingen BRUGG Rohrsysteme GmbH, Wunstorf German Pipe GmbH, Nordhausen Brugg Pipesystems

Slide 10 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Four strategic business fields Heating systems Industry Petrol stations Systems packages

Slide 11 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Heating systems district heating district cooling local heating cooling pipes custom manufacturing delivery in 24h, special prefabricated parts 72h

Slide 12 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Petrol stations suck pipe pressure pipe liquid gas reinforced single walled double walled monitored

Slide 13 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Industry

Slide 14 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 System packages Biogas Heat and cold exchanger AdBlue Geothermal

Slide 15 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 BIOFLEX ® Digester Heating Efficient – Safe – Easy to Install Content  The BRUGG Group BRUGG Pipesystems  Digester heating system Why digester heating? Different types of digester heating systems What makes an efficient digester heating system? The BRUGG solution  District Heating What to do with the waste heat of the gensets? Flexible pre-insulated pipe CALPEX

Slide 16 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 power to the grid Biogas! Biogas in General life stock electricity ~~~ Heat Genset district heating agriculture digester heating system

Slide 17 / 50 Bio-Energy-Expo 2012 Nanjing, China May Why Digester Heating ? For optimal biogas generation you have to: 1.maintain certain temperatures

Slide 18 / 50 Bio-Energy-Expo 2012 Nanjing, China May Why Digester Heating ? For optimal biogas generation you have to: 1.maintain certain temperatures 2.take care of envelope heat losses heat loss

Slide 19 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Why Digester Heating ? For optimal biogas generation you have to: 1.maintain certain temperatures 2.take care of envelope heat losses 3.heat up input material process temperature e.g. 38°C

Slide 20 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Digester Heating Systems smooth bore pipe e.g. 2“ / DN50 (stainless) steel

Slide 21 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Digester Heating Systems smooth bore pipe e.g. 2“ / DN50 (stainless) steel plastic pipe e.g. 1“ / DN25 polyethylene

Slide 22 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Digester Heating Systems smooth bore pipe e.g. 2“ / DN50 (stainless) steel plastic pipe e.g. 1“ / DN25 polyethylene corrugated pipe 2“ / DN50 Stainless steel SS 316 L

Slide 23 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 efficient digester heating system Digester Heating fast installation long lasting efficient

Slide 24 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 efficient digester heating system Digester Heating fast installation long lasting efficient

Slide 25 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 low efficiency = big amount of pipe needed Good efficiency = small length of pipe needed just semi efficient Efficiency Rigid stainless steel PE-pipe BIOFLEX ® Stainless Steel has good heat transfer properties… … but wall thickness of approx. 2mm… Polyethylene is more or less a heat insulation… …and not a heat transfer material. High grade stainless steel corrugated pipe… …has got a very good heat transfer compared to smooth bore pipes.

Slide 26 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 heat transfer from hot water to substrate depending on: heat conductivity, property of material Efficiency

Slide 27 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Efficiency Optimal choice of Material

Slide 28 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 “inner“ heat transfer  from hot water to the pipe wall heat transfer from hot water to substrate depending on: heat conductivity, property of material stainless steel 316 L Efficiency

Slide 29 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 turbulent flow condition inside optimal heat transfer inside of the pipe ideal heat transfer from heating medium to pipe wall Efficiency

Slide 30 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 “inner“ heat transfer  from hot water to the pipe wall “outer” heat transfer  from pipe wall to substrate heat transfer from hot water to substrate depending on: heat conductivity, property of material Efficiency

Slide 31 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Efficiency turbulent flow outside optimal heat transfer to the substrate ideal heat transfer from heating medium to substrate

Slide 32 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 “inner“ heat transfer  from hot water to the pipe wall “outer” heat transfer  from pipe wall to substrate heat transfer from hot water to substrate depending on: heat conductivity, property of material Efficiency effective heat exchange surface

Slide 33 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Efficiency rigid pipe DN 50 corrugated pipe DN % more surface less pipe

Slide 34 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Efficiency heatingloopslengthQ circuits[ m ][ kW ] PE – pipes BIOFLEX ® EXAMPLE:Biogas plant „Schnega“ (Lower Saxony) Replacement of plastic pipes with NIROFLEX

Slide 35 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Efficiency ca. 200%

Slide 36 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 efficient digester heating system Digester Heating fast installation long lasting efficient

Slide 37 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Easy installation specified personnel required = additional costs Rigid stainless steel Fast Installation PE-pipeBIOFLEX ® Pipes need to be bended before installation… … and welded together at each joint! Plastic pipes are endless and flexible… …but multiple loops inside needed. High grade stainless steel flexible pipe… …no junctions inside the fermenter Easy and fast installation

Slide 38 / 50 Bio-Energy-Expo 2012 Nanjing, China May The ready-made fermenter heater 2. Unrolling of the pipe3. Fixing the pipe „endless“ pipe fast installation reduction of installation- time reduction of installation- costs Fast Installation 1. Installation of pipe supports 4. Installation of end connectors Installation of the fermenter heater within a few hours

Slide 39 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 efficient digester heating system Digester Heating fast installation long lasting efficient

Slide 40 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Reduction of durability = additional costs long lasting Rigid stainless steel PE-pipe BIOFLEX ® Preparation and post-processing of skilful weld seams on site is difficult („expensive“) … … and so the risk of Microbiological influenced Corrosion (MIC) at weld seams exists! Plastic, PE Diffusion and reduction of flexibiliser high grade stainless steel „endless“ pipe no junctions inside the Fermenter Optimal durability!

Slide 41 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Flexible Installation

Slide 42 / 50 Bio-Energy-Expo 2012 Nanjing, China May Heating Circuits

Slide 43 / 50 Bio-Energy-Expo 2012 Nanjing, China May Heating Circuits – 3 Loops

Slide 44 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 BIOFLEX ® Digester Heating Efficient – Safe – Easy to Install Content  The BRUGG Group BRUGG Pipesystems  Digester heating system Why digester heating? Different types of digester heating systems What makes an efficient digester heating system? The BRUGG solution  District Heating What to do with the waste heat of the gensets? Flexible pre-insulated pipe CALPEX

Slide 45 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 System Package Local Heating Grid Casaflex CFX Calpex CPX Digester heating system Bioflex BFX

Slide 46 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Temperature 95°C Pressure PN 6/10 Dimension DN For district heating Best ratio between insulation/handling/range Calpex ®

Slide 47 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Calpex ® infinite length possible easy handling perfect insulation

Slide 48 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Calpex ® System package for the biogas plant Bad Meinberg (northern Germany) Digester Heater 182 m BIOFLEX District Heating 600 m Calpex

Slide 49 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Thank you for your attention

Slide 50 / 50 Bio-Energy-Expo 2012 Nanjing, China May 2012 Thank you for your attention 布鲁格管道系统有限公司 BRUGG Rohrsysteme GmbH Adolf-Oesterheld-Straße 31 D Wunstorf 迈克 舒伯特 产品经理 硕士工程师 电话： 0049 (0) 手机： 0049 (0) 电邮： 公司主页： Meik Schubert Product Manager, Dipl-Ing, M.Sc. telephone ： 0049 (0) mobile ： 0049 (0) ：