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Economic generation of process heat &
electricity from waste heat, production
residues and renewable energy sources
Jakarta, March. 20st 2018
Products, Components & Energy PlantsSales & Services
Who is the NRGgroup?
Seite 2
Textfeld für die "Highlights"
NRGgroup: Partner for any kind of demand in heat and power from solid
fuels and waste heat, energy efficiency products, systems, turn key plants
Sales representatives
Standardized Biomass Combustion Systems, Hot Water and Steam boilers 50kW to 5MW
Engineering, design, R&D(NRGgroup & customers)
Project development and operation
Projects development/salesRussia/former Soviet Union
Projects/salesCanada/USA
Sales, project management,local sourcing & production, products
for agricultural industry
Country representatives
zzHeat,steam,electrity production from solid fuel (biomass, waste, coal, tires ) water/steam technology, 5-50 MW th
Thermal oil systems,and –technologies waste heat recovery,ORC plants, heat exchangers, plant safety products
Service, maintenance, upgrading, retrofitting, repair of energy plants, components
Indonesia
Material storage, handling and dosing systems for any kind of bulky and dusty materials-
Since 1995 Maxxtec delivered more than 3000 plants to more than 50 countries all over the world
In Europe are more than 150 biomass heat and power plants with ORC-process sold for biomass utilization
Today Maxxtec is a leading provider of decentralized energy systems based on renewable sources
In ASEAN countries, because of growing demand of our technologies who have been developed for utilization of biomass in Europe
Technology available for efficient use of any solid fuels
3With our wide range of firing systems and boilers, any kind of solid fuels can be used for energy generation
Capacities
Charact-
eristics
Application-
areas
Product portfolio:
up to 35 MWth
For wood chips,
pellets and coal –
any type of
mixtures with coal
Industry
companies without
own combustible
waste
up to10 MWth up to 35 MWth up to 15 MWth 500 kWth
to 20 MWth
For dry and wet
chippings and
wood chips, coal
Small to
medium-sized
furniture industry,
timber industry
Industrial field
in general with
complex fuels
Timber
processing
industry and
sawmills
For dry and wet
chippings and
wood chips, any
other residues
“Workaholics”
for saturated
steam generation
out of any kind of
solid fuels
High-end gene-
ration of super-
heated steam out
of any kind of solid
fuels
Process
steam and CHP
Travelling
Grate Firing
Under-feed
Firing
Recipro-
cating Grate
Firing
Ring Burner
Firing
Flame-tube &
Pre-chamber
Fire-tube boiler
Water Tube
Boiler
Thermal Oil
Boiler
5000 kWth
to 50 MWth
200 kWth
to 50 MWth
For fine and
grainy biomasses
or dust up to 100%
CHP and
power generation
only
Efficient and
safe heat transfer
with organic heat
carriers for all Kind
of solid fuels
Process Heat,
CHP and power
generation only
Technology available for el. power generation
Waste Heat
Thermal Oil
Systems
Waste Heat
Recovery System
Heating Surface
Cleaning Systems
Steam Power Plants ORC – Power Plants
4
Capacities
Charact-
eristics
Application-
areas
Product portfolio:
200 kWth to 50 MWth
Consisting of a wood
firing system and a heat
transfer system with
Thermal OIl
Power stations de
centralized, recycling
Industry, wood industry,
etc.
to 10 MW 300 kWth to 2,5 MWth 300 kWth to 2,5 MWel
Recovering heat from
hot flue gases into water,
thermal-oil or steam
Diesel power generators,
cement industry, steel mills,
any other waste heat
producing industries
Palm oil industry, food
& beverages, wood
industry, power stations
decentralized etc.
Palm oil industry, food
& beverages, wood
industry, power stations
decentralized etc.
Power generation from
waste heat or thermal
energy from a wood-fired
Consisting of a
transmission system for
heat and an ORC module
Fully automatic
cleaning of heating
surfaces of boilers and
heat exchanges for waste
heat and solid fuels
For all industries
Since 23 years Maxxtec has build more than 100 ORC power plants for CHP with solid fuels!
Patented technology
for all capacities
5
Capacities
Charact-
eristics
Application-
areas
Product portfolio:
100 kWth
to 20 MWth
Use of gaseous &
liquid fuels to generate
process heat. Solutions
for food processing
Chemical plants,
textile industry, drying
plants, reaction proces-
ses, food, oil & gas etc.
200 kWth
to 20 MWth
according
to demand
according
to demand
according
to demand
Use of waste heat
from engines & indus-
trial processes for heat
generation
Waste heat
recovery, deodorizing
plants, large engines
Palm oil mills, starch
factories, sugar
factories and any other
agricultural industry
Palm oil mills, starch
factories, sugar
factories and any other
agricultural industry
Liquid - air / liquid –
gas heat exchangers,
air coolers /
condensers
Equipment for
biogas treatment
Thermal Oil
Heater & Steam
Boiler
Waste Heat Recovery Systems
Coil Type Register Type Shell & Tube
Biogas Drying
& Treatment
Plants
Biogas Heat
Exchanger for
Heating/Cooling
to 50 MW
Liquid - air / liquid –
gas heat exchangers,
air coolers /
condensers
For any kind of
industrial application
Technology available for industrial processes & biogas plants
Innovative and efficient solutions for process heat generated from waste heat, and fossil fuels
For heat transfer
from liquid to liquid,
steam/gas to liquid or
liquid to steam/gas
For any kind of
industrial application
PT Maxxtec Teknologi Inonesia
6One single partner for the complete system over the whole lifecycle
Innovative concepts for integrated systems and
services for energy cost saving and efficient
energy generation in agricultural- and food
industry with short payback periodes.
Standardized products for any kind of thermal
process, build according to European Quality
Standards for moderate costs, due to high local
content.
Representing all products of the NRGgroup for de-
centralized power generation with renewable
sources, using Steam- or Organic Rankine Process
(ORC)
Highly efficient process heating plants with Hot
Water, Steam or Organic Heat Carriers (Thermal Oil)
Special organic heat carrier media for high
temperatures or with food grade approval and Halal
certificate
The steam process is economically & technologically a very common solution for power generation and CHP
Power generation with steam process
7
Actually the world wide first Power Plant, completely fired with Bamboo, is under construction in Japan,
designed and realized by Lambion Energy Solutions.
SIMPLIFIED COMBINED POWER GENERATION PROCESS WITH STEAM CYCLE STEAM BENEFITS
Typical fuels for power
generation with solid
fuel in Indonesia:
• Residues from Palm
Oil Production.
• Rice Husk
• Coconut Shell
• Any kind of Nut
Shell
• Bagasse from sugar
cane
• Fast growing wood
like Caleandra or
Bamboo
• Any other kind of
solid Biomass.
Technical scheme of a steam power plant
Steam process for electricity production with biomass or
other solid fuels
8
Biomass
G
2
7
8
1311
12
14
9
15
16
10
19
17
18
1
3
4
5
6
C B
B
A
D
Combustion Condensate System Water Treatment
1 Firing
2 Steam boiler
3 Steam drum
4 Superheater
5 Economizer
6 LUVO
7 High pressur vapour
distributor
8 Pressure reduction
station
9 Low pressure
vapour distributor
10 Degassers / Feed
water tank
11 Turbine
12 Generator
13 Steam by-pass
14 Heat consumer
15 Air condenser
16 Condensate tank
17 Condensate Pump
18 Feed water pump
19 Water treatment
A Combustion air
C for
flue gas cleaning
Steam System Steam Turbine
Steam cycles are the most common process to produce electrical power
The ORC process is economically & technologically the most compelling solution for small-scale applications and for co-generation
Organic rankine cycle (ORC) process
9
Power plants using ORC technology generate electricity and heat from various heat sources like solid biomass, industrial waste heat and solar thermal energy
SIMPLIFIED COMBINED HEAT AND POWER GENERATION PROCESS
Economic viability
• Higher efficiency
• No operating personnel
• Reduced installation costs/time
• Automatic modulation 10-100%
• Automatic start-up & shut-down
Technological advantages
• No use of chemicals
• Low temperatures for electricity
generation
• No super heater is required
• Better part load efficiency
Flexibility
• Reduced project-engineering
• Standardized systems
• Flexibility for primary
temperatures and energy
sources
ORC BENEFITS
3
2
1
Technical scheme of combined ORC heat and power generation process
Combined heat and power generation for bio - electricity
10
Combustion
Thermal Oil System
Heating Water System
G
270 °C / 10 bar
230 °C / 0,2 bar
320 °C / 10 bar
240 °C
95 °C / 0,2 bar
80 °C
60 °C170 °C
370 °C
80 °C
Biomass
1
2
3
4
6
5
8
9
10
11
7
12
14
B
B
C
D
E
A
13
1 Firing2 Thermal oil heater
3 Economizer TO
4 Economizer Water5 LUVO
6 ORC Vaporizer
7 Primary pump8 Turbine
9 Generator
10 Regenerator11 Condenser
12 ORC circulation
pump13 Heating water
pump
14 Heat consumer
A Combustion air
C for flue gas cleaning
D of
heating water return
E for heating water
flow
ORC - Process
Simple process for modulating operation with low pressures, low temperatures, low maintenance and low manpower
Disposal, heat recovery and power production from waste for district heating and CHP
Waste to energy plants with MSW or RDF
11Our Technology is suitable for optimal converting of the primary energy into electrical power
POWER GENERATION 2 – 10 MWe. FROM WASTEPOSITIVE ENVIRONMENTAL
AND ECONOMICAL BENEFITS
• Reduction of landfilled waste
• 100 % disposal of local
sewage sludge (40% ash
residual)
• Electricity and heat from
municipal waste
• Minimized wast transport
• Reduction of green
houses gases
• Optimal utilization of heat
and electricity (proximity
of Celje)
Electricity power generation with organic rankine cycle (ORC)
ORC power generation
12More than 250 ORC-Modules for high temperature applications are successful in operation
DESCRIPTION ORC MODULE
Use your existing energy and convert it into
electricity:
HT ORC systems makes use of medium
temperatures from around 300 °C to produce
electricity.
YOUR BENEFITS
Additional power generation up to 10 % for
engine power plants
Use of free primary energy
Low operating costs
Short payback times
No additional CO2 emission
Improving the energy efficiency of existing
plants
13
Power Generation from Exhaust Gases of Oil- or
Gas Engines
The ORC process allows to exploit efficiently low temperature heat sources to produce electricity in a wide range of power outputs (from few kW to some 2.5 MW electric power per unit).
SIMPLIFIED COMBINED HEAT AND POWER GENERATION PROCESS ORC BENEFITS
Economic viability
• Higher efficiency
• Reduction of operating personnel
• Reduced installation costs/time
• Automatic start-up & shut-down
Technological advantages
• No use of chemicals
• Low temperatures for electricity
generation
• No super heater is required
• Better part load efficiency
Flexibility
• Reduced project-engineering
• Standardized systems
• Flexibility for primary
temperatures and energy
sources
1
2
3
14
Efficient Power Generation from Waste Heat with ORC-Technology
Power plants using ORC technology generate electricity and heat from various heat sources
Easy implementation in
existing Exhaust Gas Systems,
low installation cost due to low
temperatures and pressures.
Turn your waste heat from engines into additional profit with ORC power generation
Example Calculation of ROI
15
Power plants using ORC technology generate electricity and heat from various heat sources like solid fuels, biomass and waste heat from diesel engines and other industrial sources
SIMPLIFIED COMBINED HEAT AND POWER GENERATION PROCESS EXAMPLE
Long lifetime (20 years)
Low maintenance costs Invest payback additional profit / year
„Closed system“ means no additional costs for operation
Easy to implement in existing energy system (only use of waste heat)
YOUR BENEFITS
Efficient energy accumulation by pelletizing of wood
Utilizing waste heat from power plants by low
temperature dryer for fuel efficiency above 90%
16Individual plant configurations for perfect energy efficiency
TECHNOLOGY FOR PELLETIZING WOOD SCHEME OF ORC POWER GENERATION AND PELLETIZING
We supply the complete plant:
Energy plant Co-generation with ORC
High efficient belt- or drum dryers
High quality pelletizing plant with flat die or ring die
presses
Material handling systems, silos and product
packing machines
Integrated control systems
Service for customers with the local Maxxtec staff
YOUR BENEFITS
Perfect energy efficiency (> 90%)
Easy to operate
Low energy costs
Short installation at low costs
Integration of both liquid and solid biogenic residues with one technology
17
STEAM AND BIOGAS
BENEFITS
• Highest efficiency
• One System for the complete
residues
• Electricity generation for their
own consumption and for
feeding into the public grid as
well as process heat supplied
to the production
Power plant for palm oil production residues to generate
process heat and el. power with steam or ORC process
SIMPLIFIED SCHEME OF A COMBINED POWER GENERATION PROCESS
WITH STEAM AND BIOGAS CYCLE
• No use of chemicals
• Easy for water treatment (No
explosion risk due to bad water
quality
• Low temperatures and pressure
for electricity generation
• No super heater is required
• Better part load efficiency
ORC BENEFITS
Complete utilization of all available energy potentials with highest flexibility.
Generated process heat for drying the tapioca starch with coal combustion
18Power and heat generation for drying the tapioca starch
OVERVIEW PROJECT SIMPLIFIED SCHEME
Requirement: Complete substitution of coal combustion
through the use of excess biogas and waste heat from
the gas engines.
Solution:
• Significantly reduced power consumption by highly
efficient process heating plant.
• Installation of a biogas -fired thermal oil heater to
replace the existing high-temperature heaters.
• Installation of an additional low-temperature air
preheater with associated low-temperature
thermal oil circuit. The engine waste heat can be
optimally utilized in this manner to pre-heat the
process air
Result: The amortization is taken place by the saved
fuel costs in less than 12 months
Optimized Energy Efficiency of Tapioca Starch
Production Plants
19
Application of vertical EGHE
Cost efficient energy generation for Tapioka production
Maxxtec Indonesia has reasonable experience with this kind of plants and installed Tapioka energy systems already for several Tapioka producers in Lampung, Sulawesi, Bangka and Medan area.
In several realized projects it is approved, that the consumption of fossil fuels could be reduced significantly and the investment is paid back in less than 2 years.
High temperature cycle with Maxxtec Biogas Heater
20
Don‘t make bad experiance, trust in quality and reliability
THANK YOU!
21
Rolf Schleicher
Irwan Dede
PT Maxxtec Teknologi Indonesia
ITC Permata Hijau, Lantai 3 C11 no. 16
12210 Jakarta, Indonesia
Tel.: +62 2153670749
Fax. +62 2153667587
E-Mail:
Contact us, we are here in Indonesia, always at your disposal!
