water & energy iv lviv ecological forum · 2018-10-19 · gea –“engineering for a better...
TRANSCRIPT
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WATER & ENERGY
IV Lviv Ecological Forum
GEA Environmental Technology
UWE KUENZL, 13.09.2018
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Overview presentation
2Meeting Municipality Sharjah - GEA
➢ General Information GEA
➢ General Information Centrifuges
➢ Thickening process
➢ Dewatering process
➢ Automation concept
➢ Decanter in THP process
➢ References
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General Information GEA
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GEA – “engineering for a better world”
4GEA at a Glance
GEA is one of the
largest suppliers of
process technology
to the food industry
and to a wide range
of other industries.
The company is listed on
the German MDAX stock
index (G1A, WKN 660 200)
and included in the
STOXX® Europe 600 Index.
In addition, the company
is listed in selected MSCI
Global Sustainability
Indexes.
The international
technology group
focuses on process
technology,
components and
sustainable energy
solutions for
sophisticated
production processes
in diverse end-user
markets.
4,751 million order intake (EUR)
17,863employees (FTEs)
1.31earnings per share (EUR)
564million operatingEBITDA (EUR)
4,605million revenue (EUR)
12.2% operating
EBITDA margin
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Our applications – in touch with GEA every day
5Meeting Municipality Sharjah - GEA
Approx. one quarter
of processed milk
comes from GEA
production systems
Around every third
process line for
instant coffee was
installed by GEA
Every third chicken
nugget is produced
by GEA technology
Approx. every second
liter of beer is brewed
with the aid of systems
and process solutions
from GEA
Every second
container ship in the
world sails with GEA
marine equipment on
board
Around one quarter of
wastewater sludge is
processed with GEA
equipment.
Every fourth liter of
human blood is
handled by GEA
equipment
More than one third
of all polymer
producer are using
GEA Drying
technology
Dairy Farming
and Processing
Food
Beverages
Pharma
Chemical
Environmental
Technology
Marine
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6Meeting Municipality Sharjah - GEA
Seven Product Groups, Seven Application Centers,Six Regions (776)
SEVEN Product Groups
Automated Milking &
Feeding
Compression
Conventional Milking &
Farming
Flow Components
Food Processing/
Packaging Equipment
Separation
Homogenization
Equipment
SIX Regions
R-APCR-NAM R-DACH&EE
R-NCER-LAMR-WE&MEA
SEVEN Applications
Dairy
Pharma
Dairy Farming
Chemical
Utilities
Beverage
Food
BA Equipment BA Solutions
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Entrance Area – Welcome to Oelde, GermanyProduct Group Separation
7Meeting Municipality Sharjah - GEA
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Core Products of GEA Separation
8Meeting Municipality Sharjah - GEA
Separator centrifuges
with bowl diameters from 200 mm up to
1050 mm
Throughput capacity up to 500,000 l/h
Particle size from 0,5 µm
Taking care to produce fresh milk, starch,
mango juice, antibiotics, etc.
Decanter centrifuges
with bowl diameters from
200 mm up to 1030 mm
Throughput capacity up to 350,000 l/h
Particle size from 5 µm
Taking care of clean water, waste water,
rendering, etc.
WorldWorld‘s largest decanter
centrifuge in operation in
Singapore, New York and
Los Angeles
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General Information Decanter
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Production in Niederahr (Germany)
10Meeting Municipality Sharjah - GEA
FB1 - Shape cutting
FB2 – Non-cutting shapingFB3 –Handling end product
FB4 – Maintenance
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Current GEA decanters for dewatering / thickening in WRP´s
11Meeting Municipality Sharjah - GEA
• Capacity: 1 – 350 m3/h
• Feed DS load: 50 – 5000 kg/h
• Bowl diam.: 200 – 1000 mm
• # of machines types:15
• Vast company experience and know-how with
environmental processes and various types of
sludge's worldwide.
• Strong commitment and high investments to
R&D – improvements, patents and high speed
of innovations
• Different decanter types – to cover the whole
capacity range with maximum reliability,
efficiency and latest technical features
• High level of standardization and modularity
• Best results for Cake DS, polymer and energy
consumption
• Best materials, highest quality production, ISO
certifications, very competitive prices
• Capacity range • Features and benefits of GEA decanters
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GEA separation decanter
12Meeting Municipality Sharjah - GEA
Solid-Liquid-Separation (with free liquid discharge)
For all wastewater / sewage applicationssludge
Clear liquid cake / solids
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How does a decanter works?
13Meeting Municipality Sharjah - GEA
CF466 Video.mp4
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Sludge Thickening and Dewatering
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Thickening
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Main processes Environmental Technology
16Newcomer Training Sales – PL Standardized Separation
Thickening
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1. Accuracy of pond depth (liquid level in the decanter)
2. High G-force capacity
3. High length to diameter ratio
4. Enough differential speed
GEA’s Solution
1. Patented VariPond-System
2. Maximum G-force, up to 3,500 x G
3. High length to diameter ratio, 4:1 or more
4. Enough differential speed
Important Requirements in Sludge Thickening
Thickening
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18Meeting Municipality Sharjah - GEA
• Feed concentration: 0,5% - 1,0% DS
• Thickened sludge concentration: 5% - 7% DS
• Polymer consumption: 0,5 - 2,5 g/kg DS
• Liquid phase: < 0,1% DS
• Separation degree: > 90% (bei SVI < 150 ml/g)
without polymer dosage and SVi < 120 ml/g) !!!
• Thickened sludge concentration 5% - 7% DS
• Liquid phase: 0,1% - 0,2% DS
• Abscheidung: > 80%
Thickening
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GEA varipond® -Automatic Pond Depth Adjustment for Centrifuges
Fully automated control system optimizes
sludge thickening and (pre-) dewatering
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Here:
Image of varipond
installation
The Solution: GEA varipond®
Patented control and regulating system simplifies
infrastructure, guarantees a stable discharge
concentration and optimizes energy consumption.
20Meeting Municipality Sharjah - GEA
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Motor
Throttle plate (not rotating,
but movable on the axis)
• How does GEA varipond® works?
Varipond - The Principle
21Meeting Municipality Sharjah - GEA
A throttle plate, which can be shifted axially by a small electrical motor, is changing the liquid sludge level
inside the bowl towards its optimum position, while the machine is running.
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• Changing liquid sludge levels with a running machine without changing weir plates.
Varipond - The Principle
22Meeting Municipality Sharjah - GEA
▪ Maximum flexibility for dealing with changed feed conditions
▪ With maximized performance
▪ Without any loss of uptime
Open = thin liquid sludge level
Closed = thick liquid sludge level
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GEA Separation Varipond®
23Meeting Municipality Sharjah - GEA
GEA_Animation_varipond.mp4
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Dewatering
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Main processes Environmental Technology
25Newcomer Training Sales – PL Standardized Separation
Dewatering
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1. Accuracy of differential speed
2. High G-force capacity
3. High torque capacity
4. High length to diameter ratio
GEA’s Solution
1. Summation Drive System, Scroll adjustment accuracy 0.05 rpm
2. Maximum G-force, up to 4,500 x G
3. High Torque Capacity through our Summation Drive System
4. High length to diameter ratio, 4:1 or more
Important Requirements in Sludge Dewatering
Dewatering
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27Meeting Municipality Sharjah - GEA
• Feed concentration: 2% - 4% DS
• Dewatered sludge concentration: 22% - 28% DS
• Polymer consumption: 6 - 10 g/kg DS
• Liquid phase: < 0,1% DS
• Separation degree: > 95%
Dewatering
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What does high performance mean to you?
28Meeting Municipality Sharjah - GEA
• maximum throughput capacity
• maximum separation efficiency
• maximum cake dryness
• Minimum electrical power
• Minimum polymer consumption
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• GEA Westfalia Separator ® summationdrive
• Consistent design with modular concept
• Service concepts for committed availability
what is new?-summationdrive
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Low differential speed: configuration with torque plate
1 7025
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Medium and high differential speed: configuration with pulleys
7025 50
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Medium and high differential speed: configuration with pulleys
7050
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New Summationdrive - constant torque and higher differential speed
Torq
ue
[Nm
]
Differential speed [rpm]1 700
9000
To
rqu
e
: +
80
%
Speed range:
+100%
Conventional drive system
New summationdrive design
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• One Drive Concept for all applications
• and all CF decanters
• Full torque within the whole differential speed range
• Very wide control range for the differential speed
• No energy circulation, power is only fed into the system
• Gearbox makes a summation of the power from each motor and transfers it to bowl and scroll (origin
of the name)
• Designed, tested and manufactured by GEA Westfalia Separator
GEA Westfalia Separator® summationdrive -Overview
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• Maximum separation efficiency
• Deep pond*
• the deeper the pond the higher the pressure at the bowl shell onto the separated solids and the smaller the particles that
can be separated
Your Performance
* pond depth is dependent on application, for e.g. dewatering purposes or classification
bowls in shallow pond design have to be used
Shallow pond Deep pond
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• Maximum separation efficiency
• Deep pond*
• the deeper the pond the less turbulence in the bowl
the better the separation efficiency
Your Performance
* pond depth is dependent on application, for e.g. dewatering purposes or classification
bowls in shallow pond design have to be used
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• Maximum separation efficiency
• Westfalia Separator® summationdrive
• Automatic control to always have optimal torque and differential speed independent of feed conditions
Your Performance
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Production Niederahr - waterMaster CF6000
38Meeting Municipality Sharjah - GEA
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Decanter scroll – wear protection - welding
39Meeting Municipality Sharjah - GEA
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Decanter scroll – wear protection - TILES
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GEA Automation Concept
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Control cabinet - compact
42Meeting Municipality Sharjah - GEA
Motor starter
(VFDs)
PLCOP
power supply
main switch
GEA IO 9
PLC SIEMENS
All functions of the centrifuge
can be controlled and monitored
VFD´s
DANFOSS FC 300 SERIES
variable speed control
Compact control cabinet
PROFIBUS
Connection to the customer
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Decanter in THP process
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Thermal Hydrolysis with CAMBI CAMBI Process
44CAMBI - Processing by Sven Heymann
with…
➢ Sludge thickening
➢ Anaerobe digestion
At first… WWTP Process as usual…
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Thermal Hydrolysis with CAMBI CAMBI Process
45CAMBI - Processing by Sven Heymann
The “CAMBI-Box”
➢ Is a closed, separate system
➢ To integrate in existing plants
with thickening and digestion
➢ … and also for new plants
And now…
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Thermal Hydrolysis with CAMBI CAMBI Process
46CAMBI - Processing by Sven Heymann
➢ Sludge from Pre-dewatering
➢ Stable solids required
TS = (16…18)%
➢ (140…170)°C
➢ (6…12) bar
➢ 30 minutes
Expansion
Steam
Explosion
Effect
Details
Higher => difficult to pump
Less => not efficient
because too much energy
is needed to heating up
additional water in the
CAMBI process
Energy balance
Additional gas
production for
sludge heating
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Thermal Hydrolysis with CAMBI Cambi Process – Influences to process performance
47CAMBI - Processing by Sven Heymann
➢ Composition: e.g.
industrial dischargers,
surface water
➢ Type and variation of biological
treatment, e.g. used chemicals
➢ Ratio primary – Bio sludge
➢ %TS
➢ Ash content
➢ Chemicals
➢ Oil & fats
Pre-Dewatering
➢ Clean
centrate
Final-Dewatering
➢ Clean
centrate
➢ Organic VS
Reduction rate
of DIGESTION
➢ %TS
➢ Ash content
Recirculation of fine
particles! Especially CAMBI
➢ Organic VS
Reduction rate
of CAMBI
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Separation Technology in CAMBI Pre-dewatering
48CAMBI - Processing by Sven Heymann
Solutions:
Sludge mixing systems
TSTS
TS
P
Torque
Control
➢ Stable solids by control calculation of mixing %TS feed, load of the decanter
and %TS solids
➢ Controled by thickened sludge pump pressure
➢ Possible development: Direct controlled stable (16…18)% by decanter torque
control system
Control
Stable solids required
TS = (16…18)%
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Separation Technology in CAMBI Pre-dewatering
49CAMBI - Processing by Sven Heymann
➢ Decanters can handle variation of sludge concentrations in feed by stable
solids %TS
➢ Very less polymer consumption => normal range (2…6) kg/tTS
➢ High capture rate – very clean centrate quality > 98%
➢ Exact adjustment to stable (16…18)% TS with different ways:
1. VARIPOND system (Westfalia)
2. Control adjustment by torque or differential speed set points
3. Sludge mixing systems
Most common
application with
decanter technology!
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CAMBI -
Separation Technology in CAMBI Westfalia decanter in CAMBI – Project Fredericia / Denmark
50
Poly: (2…3) kg/tTS
Recovery: Total clean centrate
Poly: (12…16) kg/tTS
Recovery: (96…98)%
Soldis: (26…31)%
Pre-Dewatering Final-Dewatering
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References Ukraine
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References in Ukraine
52Meeting Municipality Sharjah - GEA
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Municipal Waste Water Treatment
53
Meeting Municipality Sharjah - GEA
• Cooperation and partnership with reputable big
companies and municipal corporations
• Specialist for large Projects
• Changi Singapore
• Thames Water London (UK) Crossness and
Beckton
• New Trends
• Thermal Hydrolysis Process
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Skids, container units and mobile trailers
54
Excess sludge
Dewatering unit
UCD 346
Manure trailer
UCD 305Mobiltest unit
waterMaster e CF4000
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Mobile Anlage UCF 466
55
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Mobile Anlage UCF 466
56
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Car Trailer UCD 305
57Meeting Municipality Sharjah - GEA
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Car Trailer UCD 305
58Meeting Municipality Sharjah - GEA
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contact
59Meeting Municipality Sharjah - GEA
Uwe Künzl
Product Sales Manager / Environmental Technology
Phone +49 3476 814259
Mobile +49 173 252 4806
GEA Germany, Werner-Habig-Str.1
59302 Oelde, Germany
Aleksey Grigorenko
Sales Manager New Machines Environmental
Phone +380 44 461 93 60
GEA Ukraine
Kiev, Ukraine
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gea.com