bioenergy vkk

7/24/2019 BioEnergy VKK

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Steam and hot water boiler systems

for industrial and munici al ower enerationDr.-Ing. Wolfgang Sobbe

VKK Standardkessel Kthen GmbH

German-Vietnamese Bio Energy Day

o n y, . ep em er


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particularly with biomass firing

1 Com an introduction deliver ro ram

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.


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VKK Standardkessel Kthen GmbH

Kthen: Vorwrmer- und Kesselbau Kthen GmbH (VKK)

1865 Franz Kurth founded a copper- and boiler forgeProduction of steam boilers and large vessels

1954 VEB Vorwrmer- and Kesselbau KthenMarket leader for coal fired steam generators

1990 Take over of Vorwrmer- and Kesselbau Kthen GmbHby Standardkessel-Gesellschaft Lentjes - Fasel GmbH

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1925 August Fasel registered his company for central heating systemsand steam boiler repairs

1950 Production of horizontal flame tube boilers for coal firingPatent for three- ass flame tube / fire tube Boilers

Production of radiant steam boilers for high capacities as PortaboilerProduction of CONDORBOILER as fully automatic three-pass boilerfor fuel oil firing.

2001 VKK STANDARDKESSEL Kthen GmbHFusion of Standardkessel-Gesellschaft Lentjes - Fasel GmbH withVorwrmer- and Kesselbau Kthen GmbH


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Steam and hot water boiler systems

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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 desi n- Biomass combustion- Pulverized lignite combustion

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


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

generation


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Two-flame tube / three-pass boiler for superheated

steam generation


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Manufacture in Kthen Made in Germany

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


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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.


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Heat recovery boiler behind gas engine

as eng ne sys em: x el, x aus gas: x . g s,

Boiler system: 2 x Heat recovery boilers with 2 separate flue gaspasses and withadditional firing as separate three-pass system, each

o er , ar sa ura e s eam


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Heat recovery boiler behind gas engine

ea recovery o er e n gas ur ne , el

Gas 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)


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Heat recovery boiler behind gas turbine 15 MWel

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 500 860

x aus gas ou pu emp.Steam output t/h 29.36 65Steam pressure (14 barzul) bar 11 11

Steam temperature (unregulated) C 210 212Feedwater temperature C 103 103Pressure loss, gas side mbar 26.4 28.5Heating input(25C) MW 25.85 25.85 + 22.7Thermal output(25C) MW 19.63 43.57


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Boiler systems with biomass firing unti l appr. 10 MW

Self-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


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Biomass combustion and boiler designs

Underfloor firing forsteam boiler until 10 t/h Underfloor fi ring for chips,for wood pieces, blowing-in equipment for chips saw dust and wood pieces in flame tubeand wood dust, oil burner as additional firin and re-combustion chamber


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Biomass combustion and boiler designs

Blow-in-cyclon-combust ion Moving-grate stoker firingfor saw dust, abrasive dust and for wood pieces, chips, saw dust and

grounded wood chips abrasive dust

- -hot water generation 6 MW steam generation 12 t/h, 230 C, 16 bar Parquet factory Plywood factory


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System example 1

Steam boiler for Biomass-cogeneration plant STEAG-Werl

- ree-pass re u e o er

with cooled flue gas reversing chamberfor better efficiency,with dished ends for a high elasticity

for a high storage capacity.

Moving-grate for the combustion ofwood chi s old rowth scra woodcuttings) 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.


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System example 1

Superheated steam boiler

Operating pressure: 32 barSteam temperature: 380 C

Flue gas temperature: 150 C

Heat and power cogeneration

ower generat on:back-pressure turbineelectrical power 480 kW

Heat generation:

thermal output 3.3 MW


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System example 2

Biomass-cogeneration plant VATTENFALL-Sellessen

Scope of delivery: Planning, delivery, erection, commissioning and trail operation

Delivery period: October 2004 April 2006

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

Steam generation, max. 15 t/hOperating pressure, max. 44.5 bar Superheated steam temperature (regulated: 80..100% load) 430 C (+ 10 K)Feedwater temperature (Eco inlet) 105 C

Boiler efficiency (at 25 C) 89 %Fuel demand (at turbine-nominal load) 3.26 3.70 t/h


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System example 2

Fuel

oo c ps crown woo , ranc woo , roo woo rom open-cas m n ng or ores o ngHeat value: Hu = 8.28 12.24 MJ/kgWater content: Wr= 55 % 25 %

Ash content: Ar= 2.0 7.0 %ue s orage w capac y o ays

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


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System example 2

e es gn o e com us on c am er was op m se y s mu a on o e

combustion process. Thus, high burnout rates and low emissions are achieved.

Carbon monoxide and temperature distribution in the combustion chamber


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System example 2

Biomass boiler (side view)


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Distribution partner in Vietnam: EUROASITIC JAYA P.T.Exclusive Sales & Service in Vietnam

EUROASIATIC - YOUR PARTNER FOR INDUSTRIAL SOLUTIONS.

EA is a German owned and managed company, established in 1969. EAheadquarters are based in Indonesia, in the capital city of Jakarta with total staff of500 in South East Asia. The domestic branch offices are located at the cities ofBandung, Palembang, Medan, Surabaya, Semarang and Solo in Indonesia toprovide 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 and

with the high knowledge of the markets and their technologies, EUROASIATICprovides solutions under one roof with selected their partners from Germany andacross the globe.

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


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Distribution partner in Vietnam: EUROASITIC JAYA P.T.Exclusive Sales & Service in Vietnam

- .

EAs dedicated personnel provides its expertise in the following Technical Services - Design& Engineering, Project & Construction Management, After-Sales Services, Spare Parts

, -energy solutions and plant systems without compromise.

German made industrial steam boilers, hot water boilers and high pressure steam.individual requirements of the customers.

Head Office: Branch Office:

413/15 Nguyen Kiem Street. Phu Nhuan District 649 Kim Ma Street. Ba Dinh DistrictS.R. of Vietnam S.R. of VietnamPhone: +84838454288 Phone: +8447663564

+ +E-mail: [email protected] E-Mail: [email protected]


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Quality workmanship

and pressure equipment. On an international level, renowned inspection and accreditation agencies have

certified that, we fulfill maximum quality requirements.

T V Certificates: Quality Management System according to DIN EN ISO 9001 warrants the systematicallyand controlled Quality workmanship and Certificate Made in Germany


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