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Seite 1
Solar Heat for Industrial Processes
Interaction Session on Roof Top Solar for Textile Industry, Coimbatore
Abhinav Goyal, ComSolar-IGEN
Implemented by
Seite 2
Outline
About GIZ
Introduction: GIZ/ComSolar Project
Solar heat potential in textile sector
Scientific monitoring under SoPro India project
Key messages
Implemented by
Seite 3
About GIZ
Owned by the Federal Republic of Germany
Operations in Germany and in over 130 countries around the
world
Around 17,000 employees
Operates in India since 60 years, currently 250 staff members in
India
GIZ is working in areas where demand in India’s emerging
economy is high and in which Germany is particularly strong
Energy
Environment
Sustainable economic development
Implemented by
Seite 4
Commercialisation of solar energy in urban and
industrial areas (www.comsolar.in)
Project Duration 2009 - 2016
Commissioning
Ministry
Federal Ministry for the Environment, Nature Conservation,
Building and Nuclear Safety (BMUB) - International Climate
Initiative
Partner Ministry Ministry of New and Renewable Energy (MNRE),
Government of India
Focus sectors Rooftop PV & Solar Thermal in industrial process heat
Project team
(GIZ) Six employed National & International experts
Implemented by
Seite 5
ComSolar: multi-pronged strategy
DEMO PROJECTS
› Rooftop PV
› CSP Dish power plant with storage
› Solar Air heating
POLICY ADVISORY
› National bodies
› Selected States
› Studies
CAPACITY BUILDING
› Trainings and workshops
› Web based tools (www.SolarGuidelines.in)
› Sector campaigns (www.soproindia.in)
Multi-
Pro
nged
Appro
ach
Implemented by
Seite 6 10/14/2015
»Solar heat potential in textile sector
» Key findings from GIZ sector study
Implemented by
Seite 7
Solar Thermal Process Heat
14/10/2015
Potential in industries
It is estimated that 15 million tonnes of furnace oil is used in
industrial thermal application below 2500C ~ 10% of total
commercial energy consumed in industries (2011 level)
Technology
Concentrating and Non-concentrating (FPC/ETC)
Solar thermal energy integration
Into the heat distribution network – Pre-heating of boiler feed water
Directly into the process – washing, cleaning
Implemented by
Source: Aspiration energy
Seite 8
Identification of Industrial Sectors Promising for the
Commercialisation of Solar Energy
14/10/2015
Objective:
Identify suitable industrial sectors promising for
the Commercialisation of solar energy
Criteria for selection:
1. Energy Consumption in the Sector
2. Heating/Cooling load requirement
3. Power Generation/ DG Sets/ Captive Plants
4. ….
Textile one of the top 5 sectors identified
Implemented by
Can be downloaded from MNRE website
Seite 9
Textile Sector ~ 10% energy substitution by solar thermal
14/10/2015
33%
7% 4%
56%
Energy consumption (finishing) (4,460 ktoe)
Coal
Electricity
Petroleum products
Other fuels
16%
43% 17%
24%
Cost-wise distribution (finishing)
Coal
Electricity
Petroleum products
Other fuels
16%
4%
19%
13% 16%
27%
5%
Textile (402 ktoe/ annum)
Desizing
Mercering
Finishing
Scouring
Bleaching
Dyeing
Sizing (spinning &weaving)
Implemented by
Seite 10 10/14/2015
»About SoPro India project
» www.soproindia.in
» Scientific Monitoring of Solar water heating
system
Implemented by
Seite 11 10/14/2015
Implemented by
Solar process heat (SoPro) India
Motivation: promote and deploy SWHS
systems
Partners: GIZ, Fraunhofer ISE, APITCO
With support from: Solar manufacturer,
STFI, MNRE
Duration: Oct 2013 – Dec 2015
Technology: Non-concentrating solar heat
technology for low and medium temp.
ranges (ETC/FPC)
Seite 12
Objectives: SoPro India
Marketing platform to showcase best practices, case studies, address
performance and quality related issues: http://soproindia.in
Monitor existing installations, disseminate know-how about actual performance
of existing SHIP systems in partnership with the industry
Developing a concept of robust and low cost monitoring concept for SHIP in
collaboration with Fraunhofer ISE
Develop recommendations for MNRE and the industry to promote quality in solar
thermal systems for industries
Implemented by
Seite 16
Key performance and economic numbers – Synthokem labs
14/10/2015
Implemented by
Parameter Value
Capacity of the system (LPD/kWth) 10,000LPD/ 87 kWth
Technology and Collector area ETC and 124 sq. meters aperture
Heat demand 1.5 tonnes/hr of steam at 1100C and 6-7
bar for full year Usage Steam Boiler feed water pre-heating
Max. temperature range from solar
collectors on sunny days (0C) ~ 57-65 0C
Investment cost (INR) INR 8.65 Lakhs / INR 7,000 per sq. meters
Year of installation March 2009
Solar thermal energy produced per sunny day in collector loop (kWh thermal)
87 kWh/day
Solar system efficiency (%) ~ 25%
Actual fossil fuel saved through solar
thermal - Fuel oil/day 800 litre/3 winter months
Total savings on Furnace oil (INR) ~ INR 45,000/ 3 winter months
Seite 17
Case Study Chelsea Textile Mills- Gurgaon
14/10/2015
Implemented by
Parameter Value
Capacity of the system (LPD/kWth) 50,000 LPD/660kWth
Technology and Collector area FPC and 410 collectors of 2.3 sq. meters
aperture
Heat demand hot water in the temperature range of
55OC to 80OC for washing of apparels in
multiple washing machines.
Usage Steam Boiler feed water pre-heating
Max. temperature range from solar
collectors on sunny days (0C)
~ 57-65 0C
Investment cost (INR) INR 46 Lakhs / INR 5,000 per sq. meters
Solar energy gains ~1600 kWh/day
Seite 19
Key messages
14/10/2015
Implemented by
Solar thermal systems installed across India in many industries
Scientific monitoring proves the solar gains and fuel saved
through Solar thermal systems
10 per cent of heating requirements can be met by solar
thermal systems in textile industries depending on the
processes involved
Seite 20
As a federal enterprise, GIZ supports the German Government in achieving its objectives in the field of international cooperation for sustainable development.
Published by Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH
Registered offices, Bonn and Eschborn, Germany
Commercialisation of Solar Energy in Urban and Industrial areas (ComSolar)
Indo German Energy Programme
B 5/2, 1st Floor, Safdarjung Enclave, New Delhi 110 029
T +91 11 4949 5353 F +91 11 4603 6690
E Abhinav.goyal@giz.de I www.giz.de, www.comsolar.in
Responsible
Timon Herzog
Author(s)
_____________
Photo credits
© GIZ/ ComSolar
In cooperation with:
Commissioned by:
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