Solarux CSP System Concentraded Solar Power

SOLARUX CSP GREENHOUSE
Prof. Dr. Meltem Evren TOYGAR
Masters of Mech. Eng.Tufan BAYRAM
Özgü İNCESU
Zafer ÇETİN
Alişan TOYGAR

INDEX
1. Purpose of Study
2. Concentrated Solar Power (CSP)
3. Solarux Greenhouse
4. Solarux CSP System
5. Advantages Of Solarux CSP System
6. Comparsion of Solarux CSP Systems with
Other Existing Systems
7. Results

In sunny developing countries, the majority of the
population depends on home-grown agricultural
products. For this reason, high productivity of small
plots of land and the cultivation of new agrarian land
is essential.
Dokuz Eylul University – Izmir/Turkey

It will be possible to grow agricultural products, dry
agricultural products and generate electricity for 12
months in the greenhouses with this presented
project.

Concentrated solar power
is a promising technology
which uses mirrors to
concentrate the sun's
light energy and convert it
into heat to create steam
to drive turbine that
generates electrical
power.
Figure 1 . One Example
Of CSP System

The CSP technology offers one
of the lowest cost of
electricity production.
However, designing such a
system which has low cost
and also effective is
challenging.
Figure 2. CSP Tower
System

Figure 3 . Isometric View Of Solarux Greenhouse

• Dish Mirror
• Heat Storage Battery
• Agricultural Product
Dryer
• Glass Greenhouse
Figure 4. Inside View Of
CSP Greenhouse

Dish Mirror
The new dish mirror
design to be used in the
greenhouse is improved
version of the former
Solarux CSP system and
adapted to the house.
There are many
differances and
advantages over the
former system.
Figure 5. Dish Mirror

Figure 6. Former Solarux
CSP System
Figure 7. New Design of
Solarux CSP System

1. Number of flat mirrors
2. Lighter construction
3. Diameter
4. Single automation system
5. Angle adjustment type
6. Central horizontal angle adjustment
7. Bearing type

Dish - Construction
The mirrors are attached
to the mirror holders
made of St-37 by squizing
and. The diameter of the
mirror holder disc is 75
cm and diameter of the
system is 2.5 meters.
Figure 8. Mirror Holder
Figure 9. Mirror
Holders With Disc

Dish - Absorber
The heat exchanger is
located at the focal point of
the mirrors. The oil is
pumped with oil pump
through this exchanger.
Heated oil is sent to the heat
sink with the pipes.
Figure 12. Absorber

Mirror Cleaning System
The mirrors are cleaned
with water or by air
blowing with pressure by
means of new designed
wiper, which has the same
principle with washing the
windshield of the car with
the wiper.
Figure 13. Mirror
Cleaning System

Absorber Cleaning
System
In the former system
there is no absorber glass
cleaning system. In the
developed system, a V-
type guide cuts into two
halves was added with a
glass washing system
consisting of a nozzle and
a washing valve.
Figure 14. Absorber
Cleaning System

Tables
There are two main tables
that provides vertical and
rotational movement of
dish. Both of these are
designed as I- shaped
sheets to create a lighter
construction.
Figure 15. Vertical And
Horizontal Tables

Horizontal Table
Horizontal table provides
the rotational movement
of the dish system.
Figure 16. Horizontal
Table
Figure 17. Horizontal
Table Motor

Vertical Table
Vertical table provides
vertical movement of
dish system with the rack
and pinion mechanism.
Figure 18. Vertical
Table
Figure 19. Vertical
Table Motor

Heat Storage Battery
Oil is pumped trough the
heat exchanger of the dish
system by oil pumps. Oil
heats up to 325 degrees,
and sent to the heat storage
battery with the pipes.
Figure 20. Heat Storage
Battery

Heat Storage Battery
In Heat Storage Batteries
which used generally, while
the hot oil passes through
the pipes in the solid mass,
it transfers the heat to the
solid mass. In our system,
solid mass is placed in
aluminum pipes and hot oil
circulates on the outer walls
of aluminum pipes.
Figure 21. Inside View
Of Heat Storage Battery

Agricultural Product
Dryer
Steam is generated by the
energy from the Heat Storage
Battery for electricity
generation. The steam engine
is supplied with steam and
electricity is generated
through a generator. The
agricultural product dryer
runs with the waste steam
from the steam motor.
Figure 22. Agricultural
Product Dryer

Agricultural Product
Dryer
Heat energy is provided by
waste steam. The air heated
by this energy is transmitted
through the fans by special
channels to the tray to be
dried. The temperature
level in the agricultural
product dryer can be set to
the desired value with the
speed control of the fans
used.
Figure 23. Agricultural
Product Dryer

Greenhouse Construction
The glass greenhouse is
modularly built on the feet
with special aluminum
profiles and tempered
glasses .
Figure 24. Glass
Greenhouse
Figure 25. Alumium
Profile With Glass

Greenhouse Construction
The main profiles of the greenhouse are St37.
Greenhouse can be installed any kinds of surfaces by
means of new designed feet.
Figure 26. Main Profiles
of the Greenhouse
Figure 27. New
Designed Feet

Tower System Paraboloid Systems Fresnel System Solarux System
1 Used Mirrors Parabolic Parabolic Flat
Flat, easiliy found on
the local market
2 Tracking Two axis Single axis Single axis Two axis
3 Energy loss due to tracking 20-25% 30% 30% 0
4 Absorber
Square shaped, not
vacuumed
Tubular, not vacuumed Tubular, not vacuumed Circular, vacuumed
5 Heat transfer material Hot air, liquid salt Oil Water, steam Oil, Water, Steam
6
Highest Temperature can
be reached
700-800 °C 550-600 °C 250-300 °C 350-3000 °C
7 Land property to set up Flat land Flat land Flat land
Hilly, rocky, flat,
hillside
Table 2a. Comparsion of Solarux System With Other CSP Systems

8
Modular installation
possibility
None None None Available
9 Heat storage capacity Available Available None Available
10
Motors used in
automation
Servo, Step, Lineer Servo, Step, Lineer Servo, Step, Lineer Asynchronous
11 Automation System
Network automation
based on RS485
Network automation based on
RS485
Network automation based on
RS485
Network automation
based on I2C
devoloped by Solarux
12 Production, steel material %100 Foreigner %100 Foreigner %100 Foreigner %100 Local
13
Installation cost based on
electricity generation
yearly
2,1 €/ kWha 2,0 €/ kWha 1,4 €/ kWha 0,8 €/ kWha
14
Installation cost based on
process heat
Not Available Not Available Not Available 0,4 €/ kWha
Table 2b. Comparsion of Solarux System With Other CSP Systems

1. Electricity generation with condensed solar energy will
be realized for the first time in the greenhouse.
2. Due to its low cost, it can be constructed to third world
countries.
3. In the greenhouse, ideal environmental conditions can
be obtained without using extra fuel.
4. The depreciation time will be shortened by agricultural
production and by drying the agricultural products
with the waste steam.
5. It will be possible to grow and dry agricultural
products, generate electricity for 12 months in the
greenhouse.

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Solarux CSP System Concentraded Solar Power

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