Steam and hot water boiler systems for industrial

Steam and hot water boiler systems for industrial

Steam and hot water boiler systems
for industrial and municipal
p power
p
generation
g
Dr.-Ing. Wolfgang Sobbe
VKK Standardkessel Köthen GmbH
German-Vietnamese Bio Energy Day
H Chi Mi
Ho
Minh
h Cit
City, 16
16. S
September
t b 2013
… particularly with biomass firing
1
Company
p y introduction,, deliveryy program
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 GmbH
Köthen: Vorwärmer- und Kesselbau Köthen GmbH (VKK)
1865
Franz Kurth founded a copper- and boiler forge
Production of steam boilers and large vessels
1954
VEB Vorwärmer- and Kesselbau Köthen
M k t leader
Market
l d for
f coall fired
fi d steam
t
generators
t
1990
Take over of Vorwärmer- and Kesselbau Köthen GmbH
by Standardkessel-Gesellschaft Lentjes - Fasel GmbH
Duisburg: STANDARDKESSEL-Gesellschaft
STANDARDKESSEL Gesellschaft Lentjes-Fasel
Lentjes Fasel GmbH (SKG)
1925
August Fasel registered his company for central heating systems
and steam boiler repairs
1950
Production of horizontal flame tube boilers for coal firing
Patent for three
three-pass
pass flame tube / fire tube Boilers
Production of radiant steam boilers for high capacities as Portaboiler
Production of CONDORBOILER as fully automatic three-pass boiler
for fuel oil firing.
2001
VKK STANDARDKESSEL Köthen GmbH
Fusion of Standardkessel-Gesellschaft Lentjes - Fasel GmbH with
Vorwärmer- and Kesselbau Köthen GmbH
Steam and hot water boiler systems
Shell boilers
with oil/gas-firing:
Three-pass flame tube / fire tube boiler (CONDORBOILER)
- Steam output until 55 t/h
- Hot water generation until 36 MW
Boilers for solid fuels:
Fire tube and water tube design
g
- 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 superheated
steam 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 engine
Gas engine
G
i system:
t
4 x 750 kWel, / Exhaust
E h
t gas: 4 x 1
1.26
26 kkg/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 steam
t
boiler
t/h,
bar saturated
Heat recovery boiler behind gas engine
H t recovery b
Heat
boiler
il behind
b hi d gas turbine
t bi
5 5 MWel
5,5
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)
Heat recovery boiler behind gas turbine 15 MWel
Gas turbines:
Heating (100 %, air 11 °C)
Exhaust mass flow
Exhaust gas temp.(comb. chamber)
Exhaust gas output temp.
temp
Steam output
Steam pressure (14 barzul)
Steam temperature (unregulated)
Feedwater temperature °C
Pressure loss, gas side mbar
Heating input(25°C)
Thermal output(25°C)
2 x Solar Titan 130
Æ 2 x Heat recovery boiler with additional firing
GT-exhaust gas
GT-exhaust gas and add. firing
kg/s
49.86
50.35
°C
500
860
°C
141
115
t/h
29.36
65
bar
11
11
°C
210
212
103
103
26.4
28.5
MW
25.85
25.85 + 22.7
MW
19.63
43.57
Boiler systems with biomass firing until appr. 10 MW
Usage
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
Biomass combustion and boiler designs
Underfloor firing for steam boiler until 10 t/h
for wood pieces, blowing-in equipment for chips
and wood dust,, oil burner as additional firing
g
Underfloor firing for chips,
saw dust and wood pieces in flame tube
and p
pre-combustion chamber
Biomass combustion and boiler designs
Blow-in-cyclon-combustion
for saw dust, abrasive dust and
grounded wood chips
with oilfired pilot burner for
hot water generation 6 MW
Parquet factory
Moving-grate stoker firing
for wood pieces, chips, saw dust and
abrasive dust
with oil
oil-/gas-additional
/gas additional firing for
steam generation 12 t/h, 230 °C, 16 bar
Plywood factory
System example 1
Steam boiler for Biomass-cogeneration plant “STEAG-Werl”
STANDARD-Three-pass
STANDARD
Th
fi tube
fire
t b boiler
b il
with cooled flue gas reversing chamber
for better efficiency,
with dished ends for a high elasticity
and with large water content and large steam space
for a high storage capacity.
Moving-grate for the combustion of
wood chips
p ((old g
growth,, scrap
p wood,,
cuttings) with automatic ash removal.
Automatic heating surface cleaning system
with compressed air rods for 2. and
3. fire tube pass and big cleaning
opening for 1. fire tube pass.
Flue gas cleaning through cyclon and
fabric filter on boiler outlet
outlet.
System example 1
Superheated steam boiler
Steam output:
5 t/h
Operating pressure:
32 bar
Steam temperature:
380 °C
Flue gas temperature: 150 °C
Heat and power cogeneration
P
Power
generation:
i
back-pressure turbine
electrical power 480 kW
Heat generation:
district heating condenser
thermal output 3.3 MW
System example 2
Biomass-cogeneration plant „VATTENFALL-Sellessen“
Scope of delivery:
Delivery period:
Planning, delivery, erection, commissioning and trail operation
October 2004 – April 2006
Construction start: April 2005 (Ground: 6000 m2)
Heat generation: January 2006
Steam generation, max.
Operating pressure, max.
Superheated steam temperature (regulated: 80..100% load)
Feedwater temperature (Eco inlet)
Boiler efficiency (at 25 °C)
Fuel demand (at turbine-nominal load)
15 t/h
44.5 bar
430 °C (+ 10 K)
105 °C
89 %
3.26 … 3.70 t/h
System example 2
Fuel
W d chips
Wood
hi ((crown wood,
d b
branch
h wood,
d roott wood
d ffrom open-castt mining
i i or fforestt h
holding)
ldi )
Heat value:
Hu = 8.28 … 12.24 MJ/kg
Water content:
Wr = 55 % … 25 %
Ash content:
Ar = 2.0 … 7.0 %
F l t
Fuelstorage
with
ith capacity
it off 5 days
d
Firing
Moving-grate, cooled combustion chamber, staged air supply, flue-gas recirculation
System example 2
The d
Th
design
i off th
the combustion
b ti chamber
h b was optimised
ti i d by
b CFD simulation
i l ti off th
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 Vietnam
EUROASIATIC - 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 and
with 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 Vietnam
EUROASIATIC - YOUR PARTNER FOR INDUSTRIAL SOLUTIONS.
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
Programs, customized and tailor
tailor-made
made
energy solutions and plant systems without compromise.
German made industrial steam boilers, hot water boilers and high pressure steam
boilers by VKK STANDARDKESSEL.
STANDARDKESSEL These boilers are supplied tailor made for the
individual requirements of the customers.
Head Office:
Ho Chi Minh City
413/15 Nguyen Kiem Street. Phu Nhuan District
S.R. of Vietnam
Phone:
+84838454288
Facsimile:
+84838454278
E-mail: ea.hcmc@euroasiatic.com.vn
Branch Office:
Hanoi City
649 Kim Ma Street. Ba Dinh District
S.R. of Vietnam
Phone:
+8447663564
Facsimile:
+8447663565
E-Mail: ea-hanoi@ftmail.vnn.vn
Quality workmanship
VKK 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.
TÜV
Ü Certificates: Quality Management System according to DIN EN ISO 9001 warrants the systematically
and controlled Quality workmanship and Certificate „Made in Germany“
www vkkstandardkessel de
www.vkkstandardkessel.de