7.FIMA Proveedor Residuos - EAWC-ENVA

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Ralph Hofmeier – CEO
Irma Velazquez MSc
COO
velazquezi@eawctechnologies.com
EAWCTECHNOLOGIES.COM
SISTEMA ENVA
2
La conversión de vapor de baja presión (0.6-5-10) bar en energía
electrica
EAWCTECHNOLOGIES.COM
FUNCIONAMIENTO DEL MÓDULO DE ENERGÍA
3
ESTRUCTURA
1.  Interruptor
2.  Salida de vapor
3.  Entrada de vapor
3
1
EAWCTECHNOLOGIES.COM
2
4
RENDIMIENTO
Pel kW
1,000
Input pressure in bar(Pa) 151.0
100
310.0
221.4
3
61.0
29.0
116.1
86.1
57.0
5
2
1,5
22.3
10
10.9
1
500
1,500
2,500
3,500
4,500
Note: Outlet pressure (p2) 1,2bar(Pa)
5,500
6,500
7,500
8,500
9,500 Steam kg/h
EAWCTECHNOLOGIES.COM
5.2
5
EAWCTECHNOLOGIES.COM
VENTAJAS
6
EL MÓDULO DE ENERGÍA ENVA
§  Garantiza bajos costos de producción de energía a lo largo de la
vida de utilizacion.
§  Se enciende como un bypass y no causa ningún problema a los
procesos de producción existentes.
§  Se puede integrar en los diseños de las plantas existentes.
§  Muestra un ROI atractivo que suele ser menor de 3 años.
§  No hay inversión de alto riesgo.
EAWCTECHNOLOGIES.COM
§  Aumenta la eficiencia de los recursos y reduce la huella de CO2.
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EAWCTECHNOLOGIES.COM
APLICACIÓN
8
Se genera energía en
lugar de desperdiciar el
vapor
Reducción del
abastecimiento externo
de electricidad
La conservación de
energía y reducción de
costos de energía en
beneficio del negocios
y el beneficio al medio
ambiente.
Reducción de las
emisiones de CO2 y
ahorro de
combustibles fósiles Ahorro de energía
primaria
EAWCTECHNOLOGIES.COM
El Vapor no utilizado no
se desperdicia y
genera electricidad.
La electricidad
generada puede
alimentar la red
(Cogeneración de
electricidad)
VENTAJAS Después del uso de
una cantidad
específica de vapor el
restante inutilizado es
expulsado a la
atmosfera por medio
de chimeneas
Otra alternativa, el
vapor se condesa y se
reutiliza en el proceso
o es destruido por
medio de un reductor
de presión PROCESO ENVA PROCESO SIN MÓDULO POSIBILIDADES
9
EM AND CONDENSATION
WITH ENERGY MODULE
WITHOUT ENERGY MODULE
Steam vent control
Steam vent control
HD
Process Valves
ND
Steam User
Three-way Valve
Steam dryer
Control Valve
p
bar
Process
Valves
t
°C
Three-way
Valve
Condenser
G
Electricity
EFFICIENCY IMPROVEMENT:
ü 
ü 
ü 
ü 
Reduction of external energy procurement
Generation of electric energy to feed into the grid
Reduction of CO2 emission Pressure and temperature reduction Tank with Pump
EAWCTECHNOLOGIES.COM
Steam generator
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EM AND LET OFF STEAM
WITHOUT ENERGY MODULE
WITH ENERGY MODULE
Steam vent control
HD
Process Valves
Steam user
ND
Three-way Valve
Steam dryer
Control Valve
p
bar
Process Valves
Three-way Valve
t
°C
G
Electricity
EFFICIENCY IMPROVEMENT:
ü  Reduction of external energy procurement
ü  Generation of electric energy to feed into the
grid
ü  Reduction of CO2 emission EAWCTECHNOLOGIES.COM
Steam generator
Steam vent control
11
EM AND PRESSURE REDUCTION
WITHOUT ENERGY MODULE
Steam vent control
Reducing Valves
Process Valves
ND
Process Valves
Process Valves
WITH ENERGY MODULE
Steam
.
User
Three-way Valve
Check Valve
Steam dryer
Control Valve
p
bar
t
°C
G
Electricity
EFFICIENCY IMPROVEMENT:
ü 
ü 
ü 
ü 
Reduction of external energy procurement
Generation of electric energy to feed into the grid
Reduction of CO2 emission Pressure reduction EAWCTECHNOLOGIES.COM
Steam generator
HD
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INDUSTRIAS
APLICACIONES
§ 
§ 
§ 
§ 
§  La condensación del vapor
§  Plantas de Energía a partir de
§ 
§ 
§ 
§ 
Química
Alimentación y bebidas
industria farmacéutica
Industria / Las fábricas de papel
para trabajar madera
Fundiciones / Acero
industria del aluminio
Los productores de energía
independientes
Petroquimica / Refinerías
§ 
§ 
§ 
§ 
Biomasa
Cogeneración / CHP
Plantas de incineración de
residuos
Presión-reducingstation
Centrales térmicas solares
EAWCTECHNOLOGIES.COM
CAMPOS DE APLICACIÓN
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EAWCTECHNOLOGIES.COM
PROYECTOS
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•  En una instalación municipal •  En una fábrica de ladrillos de arena de
cal
•  En una fábrica de ladrillos
•  En una planta de energía de biomasa
•  Cocinas
•  La producción es de entre 63.000 y 637.000
kWh al año y en el ahorro de 40 a 407
toneladas de CO2 al mismo tiempo.
•  Sin consumir energía eléctrica adicional.
EAWCTECHNOLOGIES.COM
•  El ENVA puede ser utilizado en:
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MUNICIPAL UTILITY, LÜNEN
In co-operation with the Ardagh glassworks, "Stadtwerke Lünen" (municipal utility) use waste gas
heat from the glass production for several purposes. The initial gas temperature of 460 °C is cooled
down to 230 °C in a waste heat recovery steam generator (WRSG). On a high-pressure pipe the
steam from the WRSG is then used by a steam motor to produce electrical energy. From that highpressure pipe, a medium- and a low-pressure pipe supply the production plant with steam.
The Energy Module is integrated in the medium-pressure system in parallel to other facilities relevant
for the production cycle. Only steam which is not required for other purposes is fed into the Energy
Module with a pressure of about 3 bar at 133 °C.
Technical Data:
Application: Back pressure system in series with
condenser
Outlet pressure: 1.3 bar (abs) at 107 °C
Steam mass flow: ~500 kg/h saturated steam
Electrical output: ~11 kW
Electricity produced: ~88,000 kWh/a
CO2 saving: ~ 60 t/a
Set to work: December 2009
EAWCTECHNOLOGIES.COM
Input pressure: ~3.0 bar (abs) at 133 °C
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SAND-LIME BRICK FACTORY
At the sand-lime brick factory in Höltinghausen, autoclaves are used for hydrothermal hardening of
calcareous sandstone. The autoclaves are filled with steam and kept under a steam pressure of up to
16 bar for up to 8 hours, depending on the composition of the mixture. When the hardening process
is completed the steam is supplied to other autoclaves. The remainder of the steam, which still has
exergic energy, is reduced by means of the Energy Module from a pressure of 4 bar to a lower
pressure; at the same time electrical energy is produced. The expanded steam is used in a preheater
for production of processed condensate and fresh water.
Technical Data:
Application: Expansion of steam for preheater Input pressure: ~3.0 bar (abs) at 134 °C Electrical output: ~18 kW
Electricity produced: ~63,000 kWh/a
CO2 saving: ~ 40 t/a
Set to work: April 2010
EAWCTECHNOLOGIES.COM
Outlet pressure: 1.3 bar (abs) at 107 °C Steam mass flow: ~1,400 kg/h saturated steam 17
BRICKWORKS (SWITZERLAND)
In a kiln the bricks are baked and hardened. Thermo-oil is used for heat recovery. It is heated with the
hot gas from the kiln and is then transported through pipes to sites where heat is required for
production purposes. Among others, waste heat is used for production of steam which is the fed into
the Energy Module to produce electrical energy. The expanded steam with a temperature of
approximately 105 °C is used in a heat condenser for heating purposes.
Technical Data:
Application: Heat recovery and steam production Input pressure: 4.0 bar (abs) at 144 °C Outlet pressure: 1.2 bar (abs) at 105 °C Electrical output: ~9 kW
Electricity produced: ~72,000 kWh/a
CO2 saving: ~46 t/a Set to work: June 2011
EAWCTECHNOLOGIES.COM
Steam mass flow: ~600 kg/h saturated steam
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BIOMASS POWER PLANT
The biomass power plant is operated with biogenous solid fuels such as residuals from woodworking or forest wood unsuitable as timber or lumber. Steam overheated in the waste heat boiler is
supplied to a condensing turbine for production of electricity. The Energy Module is assembled
between turbine and vaccum condenser so that the increased pressure difference of the remaining
steam can be used for production of additional electrical energy. The condensate is processed and
pumped back into the boiler. Technical Data:
Application: Back pressure plant in series with a
condenser
Steam mass flow: ~5,000 kg/h saturated steam
Electrical output: ~75 kW
Electricity produced: ~637,000 kWh/a CO2 saving: ~407 t/a
Set to work: October 2011
EAWCTECHNOLOGIES.COM
Input pressure: 1.5 bar (abs) at 111 °C Outlet pressure: 0.5 bar (abs) at 81 °C 19
COKERY
At the cokery, process steam is filtered by means of steam washers. For protection of the washers
the pressure of the process steam must be reduced from 3.3 bar to 1.3 bar. The Energy Module is
switched in parallel to an existing pressure reducing station. It expands the steam, reduces the
pressure and produces electrical energy. Technical Data:
Application: Pressure reducing station
Input pressure: 3.3 bar (abs) at 137 °C Electrical output: ~65 kW
Electricity produced: ~382,000 kWh/a
CO2 saving: ~244 t/a
Set to work: Sept. 2012 EAWCTECHNOLOGIES.COM
Outlet pressure: 1.3 bar (abs) bei 107 °C Steam mass flow: ~3,000 kg/h saturated steam
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