Steam and hot water boiler systems for industrial and municipal ...

Steam and hot water boiler systemsfor industrial and municipal power generationp p g

Dr.-Ing. Wolfgang SobbeVKK Standardkessel Köthen GmbH

German-Vietnamese Bio Energy Day

H Chi Mi h Cit 16 S t b 2013Ho Chi Minh City, 16. September 2013

… particularly with biomass firing

1 Company introduction, delivery programp y , y p g

2 Shell boiler with oil/gas firing

3 Heat recovery boilers

4 Boiler systems with biomass firing

- Firing and boiler design

- System examples

5 Distribution partner in Vietnam: EUROASIATIC JAYA P.T.

VKK Standardkessel Köthen GmbHKöthen: Vorwärmer- und Kesselbau Köthen GmbH (VKK)1865 Franz Kurth founded a copper- and boiler forge

Production of steam boilers and large vessels1954 VEB Vorwärmer- and Kesselbau Köthen

M k t l d f l fi d t tMarket leader for coal fired steam generators1990 Take over of Vorwärmer- and Kesselbau Köthen GmbH

by Standardkessel-Gesellschaft Lentjes - Fasel GmbH

Duisburg: STANDARDKESSEL Gesellschaft Lentjes Fasel GmbH (SKG)Duisburg: STANDARDKESSEL-Gesellschaft Lentjes-Fasel GmbH (SKG)1925 August Fasel registered his company for central heating systems

and steam boiler repairs1950 Production of horizontal flame tube boilers for coal firing

Patent for three-pass flame tube / fire tube BoilersPatent for three pass flame tube / fire tube BoilersProduction of radiant steam boilers for high capacities as PortaboilerProduction of CONDORBOILER as fully automatic three-pass boilerfor fuel oil firing.

2001 VKK STANDARDKESSEL Köthen GmbHFusion of Standardkessel-Gesellschaft Lentjes - Fasel GmbH withVorwärmer- and Kesselbau Köthen GmbH

Steam and hot water boiler systems Shell boilers Three-pass flame tube / fire tube boiler (CONDORBOILER)Shell boilers Three-pass flame tube / fire tube boiler (CONDORBOILER) with oil/gas-firing: - Steam output until 55 t/h

- Hot water generation until 36 MW

Boilers for solid fuels: Fire tube and water tube designg- Biomass combustion- Pulverized lignite combustion

Heat recovery boilers: Fire tube and water tube design- Heat and power cogeneration- Process heat- Thermal oxidiser

Single-flame tube / three-pass boiler for saturated steam generation

Two-flame tube / three-pass boiler for superheatedsteam generation

Manufacture in Köthen „Made in Germany“

In-house production of boiler heating surfaces and components as well as tailor made boiler systems in Köthen, Saxony-Anhalt, Germany.

Advantageous boiler designs (Euro-Norm EN 12953)

Tailor made design of heating surfaces. Pressure vessel with dished ends.

Water-cooled rear flue gas reversing chamber. Cooling grooves at the inlet of flue tubes.

Heat recovery boiler behind gas engineG i t 4 750 kW / E h t 4 1 26 k / 500 °CGas engine system: 4 x 750 kWel, / Exhaust gas: 4 x 1.26 kg/s, 500 °C Boiler system: 2 x Heat recovery boilers with 2 separate flue gas passes and with

additional firing as separate three-pass system, each b il 5 t/h 13 b t t d tboiler 5 t/h, 13 bar saturated steam

Heat recovery boiler behind gas engineH t b il b hi d t bi 5 5 MWHeat recovery boiler behind gas turbine 5,5 MWelGas turbine: Solar Taurus 60 / Exhaust gas: 20.2 kg/s, 512 °C / Natural Gas H (Fuel oil EL)Boiler: Superheated steam: 200 °C, 16 bar, 12 t/h (exhaust gas) up to

20 t/h (exhaust gas and additional firing)

Heat recovery boiler behind gas turbine 15 MWelGas turbines: 2 x Solar Titan 130Gas turbines: 2 x Solar Titan 130

2 x Heat recovery boiler with additional firingHeating (100 %, air 11 °C) GT-exhaust gas GT-exhaust gas and add. firingExhaust mass flow kg/s 49.86 50.35Exhaust gas temp.(comb. chamber) °C 500 860Exhaust gas output temp °C 141 115Exhaust gas output temp. °C 141 115Steam output t/h 29.36 65Steam pressure (14 barzul) bar 11 11Steam temperature (unregulated) °C 210 212Feedwater temperature °C 103 103Pressure loss, gas side mbar 26.4 28.5 Heating input(25°C) MW 25.85 25.85 + 22.7Thermal output(25°C) MW 19.63 43.57

Boiler systems with biomass firing until appr. 10 MWUsageUsageSelf-supply of energy from biomass (e.g. wood, rice husks …)for the generation of hot water, steam or electricity

Steam boiler with stoker firing for biomass with oil additional firing system

Biomass combustion and boiler designs

Underfloor firing for steam boiler until 10 t/h Underfloor firing for chips,for wood pieces, blowing-in equipment for chips saw dust and wood pieces in flame tubeand wood dust, oil burner as additional firing and pre-combustion chamber, g p

Biomass combustion and boiler designs

Blow-in-cyclon-combustion Moving-grate stoker firingfor saw dust, abrasive dust and for wood pieces, chips, saw dust and grounded wood chips abrasive dustwith oilfired pilot burner for with oil /gas additional firing forwith oilfired pilot burner for with oil-/gas-additional firing for hot water generation 6 MW steam generation 12 t/h, 230 °C, 16 barParquet factory Plywood factory

System example 1Steam boiler for Biomass-cogeneration plant “STEAG-Werl”

STANDARD Th fi t b b ilSTANDARD-Three-pass fire tube boilerwith cooled flue gas reversing chamberfor better efficiency,with dished ends for a high elasticityand with large water content and large steam spaceand with large water content and large steam spacefor a high storage capacity.

Moving-grate for the combustion ofwood chips (old growth, scrap wood,p ( g , p ,cuttings) with automatic ash removal.

Automatic heating surface cleaning system with compressed air rods for 2. and 3. fire tube pass and big cleaningopening for 1. fire tube pass.

Flue gas cleaning through cyclon and fabric filter on boiler outletfabric filter on boiler outlet.

System example 1

Superheated steam boilerSteam output: 5 t/hSteam output: 5 t/hOperating pressure: 32 barSteam temperature: 380 °CFlue gas temperature: 150 °C

Heat and power cogenerationP iPower generation:back-pressure turbineelectrical power 480 kW

Heat generation:district heating condenserdistrict heating condenserthermal output 3.3 MW

System example 2

Biomass-cogeneration plant „VATTENFALL-Sellessen“Scope of delivery: Planning, delivery, erection, commissioning and trail operationDelivery period: October 2004 – April 2006

Construction start: April 2005 (Ground: 6000 m2) Heat generation: January 2006

Steam generation, max. 15 t/h Operating pressure, max. 44.5 barSuperheated steam temperature (regulated: 80..100% load) 430 °C (+ 10 K)Feedwater temperature (Eco inlet) 105 °CBoiler efficiency (at 25 °C) 89 %Fuel demand (at turbine-nominal load) 3.26 … 3.70 t/h

System example 2

Fuel W d hi ( d b h d t d f t i i f t h ldi )Wood chips (crown wood, branch wood, root wood from open-cast mining or forest holding)Heat value: Hu = 8.28 … 12.24 MJ/kgWater content: Wr = 55 % … 25 %Ash content: Ar = 2.0 … 7.0 %F l t ith it f 5 dFuelstorage with capacity of 5 days

FiringMoving-grate, cooled combustion chamber, staged air supply, flue-gas recirculation

System example 2

Th d i f th b ti h b ti i d b CFD i l ti f thThe design of the combustion chamber was optimised by CFD simulation of the combustion process. Thus, high burnout rates and low emissions are achieved.

Carbon monoxide and temperature distribution in the combustion chamber

System example 2

Biomass boiler (side view)

Distribution partner in Vietnam: EUROASITIC JAYA P.T. Exclusive Sales & Service in VietnamEUROASIATIC - YOUR PARTNER FOR INDUSTRIAL SOLUTIONS.

EA is a German owned and managed company, established in 1969. EA headquarters are based in Indonesia, in the capital city of Jakarta with total staff of 500 in South East Asia. The domestic branch offices are located at the cities of Bandung, Palembang, Medan, Surabaya, Semarang and Solo in Indonesia to provide the solutions at the door steps of customers.

EA overseas locations are based in Vietnam ,Singapore, Malaysia, Thailand, India, and Philippines providing localised solutions to their customers.

With a presence of more than 4 decades in South East Asian markets andwith the high knowledge of the markets and their technologies, EUROASIATIC provides solutions under one roof with selected their partners from Germany and across the globe.

EA provides their own experienced on-site service back-up at any time, within the countries of their activities.

Distribution partner in Vietnam: EUROASITIC JAYA P.T. Exclusive Sales & Service in VietnamEUROASIATIC YOUR PARTNER FOR INDUSTRIAL SOLUTIONSEUROASIATIC - YOUR PARTNER FOR INDUSTRIAL SOLUTIONS.

EA´s dedicated personnel provides its expertise in the following Technical Services - Design & Engineering, Project & Construction Management, After-Sales Services, Spare Parts support in addition to Operation & Maintenance Programs customized and tailor madesupport in addition to Operation & Maintenance Programs, customized and tailor-made energy solutions and plant systems without compromise.

German made industrial steam boilers, hot water boilers and high pressure steam boilers by VKK STANDARDKESSEL These boilers are supplied tailor made for theboilers by VKK STANDARDKESSEL. These boilers are supplied tailor made for the individual requirements of the customers.

Head Office: Branch Office:Ho Chi Minh City Hanoi CityHo Chi Minh City Hanoi City413/15 Nguyen Kiem Street. Phu Nhuan District 649 Kim Ma Street. Ba Dinh DistrictS.R. of Vietnam S.R. of VietnamPhone: +84838454288 Phone: +8447663564Facsimile: +84838454278 Facsimile: +8447663565Facsimile: +84838454278 Facsimile: +8447663565E-mail: [email protected] E-Mail: [email protected]

Quality workmanshipVKK STANDARDKESSEL has been granted all accreditations required for the manufacture of steam boilersVKK STANDARDKESSEL has been granted all accreditations required for the manufacture of steam boilers and pressure equipment. On an international level, renowned inspection and accreditation agencies have certified that, we fulfill maximum quality requirements.

ÜTÜV Certificates: Quality Management System according to DIN EN ISO 9001 warrants the systematically and controlled Quality workmanship and Certificate „Made in Germany“

www vkkstandardkessel dewww.vkkstandardkessel.de