WO2010106195A1 - Unit for cleaning parabolic-trough collectors in thermo-electric solar power plants - Google Patents

Unit for cleaning parabolic-trough collectors in thermo-electric solar power plants Download PDF

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Publication number
WO2010106195A1
WO2010106195A1 PCT/ES2009/000149 ES2009000149W WO2010106195A1 WO 2010106195 A1 WO2010106195 A1 WO 2010106195A1 ES 2009000149 W ES2009000149 W ES 2009000149W WO 2010106195 A1 WO2010106195 A1 WO 2010106195A1
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WO
WIPO (PCT)
Prior art keywords
equipment
cleaning
power plants
solar power
trough collectors
Prior art date
Application number
PCT/ES2009/000149
Other languages
Spanish (es)
French (fr)
Inventor
Luis María de ALFONSO MOLERO
Original Assignee
Voith Turbo, S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Turbo, S.A. filed Critical Voith Turbo, S.A.
Priority to PCT/ES2009/000149 priority Critical patent/WO2010106195A1/en
Publication of WO2010106195A1 publication Critical patent/WO2010106195A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/20—Cleaning; Removing snow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Definitions

  • the present invention relates to equipment for cleaning cylindrical-parabolic collectors in thermoelectric solar power plants, whose obvious purpose is to clean the specular surface corresponding to cylindrical-parabolic concentrators, in order to achieve optimum performance from the power plant itself.
  • the object of the invention is to provide equipment by means of which the cleaning of the cylindrical-parabolic collectors in thermoelectric solar power plants is carried out easily, quickly and efficiently.
  • thermoelectric solar power plants are being executed, with a large number of projects underway, developed by large electricity companies, in a renewable energy plan whose objective is to achieve high powers in the short term.
  • thermoelectric is the one of cylindrical-parabolic concentrators, where the concentration of the radiation is carried out by means of collectors of cylindrical shape with a specular surface, so that said concentrators heat a tube through which a thermal fluid circulates that is directed to a steam generator, subsequently sent to a turbine, with the possibility of circulating water through the tube and directly generating steam in it.
  • thermoelectric solar power plants of cylindrical-parabolic concentrators for maximum and optimum performance require a cleanliness of the specular surface of the concentrators themselves, in order to maintain a degree of reflectivity of the mirrors that allows an optimum level of efficiency from the thermoelectric solar plant itself.
  • the equipment that is recommended is precisely designed to clean the mirrors of the cylindrical-parabolic concentrators in solar thermal power plants, the equipment as a whole being able to be implanted in a trailer or in the box of a truck, comprising the following units or systems:
  • a cleaning arm mounted in an articulated way and with the possibility of upward and downward displacement, to carry out the cleaning of the collectors cylindrical-parabolic by means of pressurized water, the arm comprising an arc of high pressure nozzles, by means of which a uniform cleaning can be carried out on the surface of the manifold, being able to select the upper or lower cleaning thereof, as well as perform the cycle of Wash with both cold water and hot water.
  • the articulated wash arm will be subjected to three movements controlled by the automaton, one for the upper wash, another for the lower wash and another for folding, so that in addition to the corresponding limit switches for the order of movements, the automaton will incorporate a security system that detects their failure, interrupting the movement of the arm and creating an alarm on the screen.
  • the upward / downward movement of the commented washing arm is carried out by means of an endless axis controlled by limit switches, the rotation of the arm being carried out by means of a double reducer with a motor, the start and the speed being adjustable and the rotation of the arc being carried out by means of a double reducer, where the start and the speed are equally adjustable.
  • the two high pressure boilers corresponding to the instant heating group they are controllable from the touch screen, one or the other being selectable depending on the desired temperature, these boilers being supplied with diesel directly from the tank of the vehicle.
  • the high pressure group it consists of a water-cooled engine that is also supplied from the vehicle's tank, complemented by a service generator or alternator.
  • the water tank it will be a polyester tank with a capacity of 5,000 liters, complemented with two lances of washing with automatic cutting gun, associated with two reels with 40 meters for high pressure hoses, as well as a compressor to perform high-pressure maneuvers with full speed of action.
  • the equipment also includes a fire containment system, with a performance of 150 liters / minute of flow, 6 bars of pressure, and incorporating, as already mentioned, 40 meters of hose and adjustable gun, all being controlled from the touch screen of the automaton located inside the cabin.
  • the automaton includes the appropriate control and automation means for the control of all washing options, articulated arm movements, start-up and failures of the boilers, lighting, water consumption, vehicle positioning, maintenance warnings, etc., performing all maneuvers under 24 v safety voltage.
  • Figure 1 shows a representation according to a latero-anterior perspective of the equipment object of the invention implanted on a truck.
  • Figure 2. Shows another perspective view of the same set of the previous figure, in this case according to a side-rear view.
  • the equipment of the invention mounted on the platform or trailer (1) of a vehicle, such as a truck with its corresponding cabin (2), from which the control is carried out , operation and functionality of the whole set, is based on an arm (3) mounted with the ability to move ascending and descending on the vehicle's own platform (1), whose arm is a structure (4) with a pair of hydraulic or pneumatic cylinders (5) driving an arc (6) provided with a plurality of nozzles (7 ) pressurized water boosters for washing the corresponding cylindrical-parabolic collectors of a thermoelectric solar power plant.
  • the set of the commented arm is equipped with three controlled movements by means of the corresponding automaton, for upper washing, for lower washing and for folding, incorporating a safety system that detects the failure of these movements, interrupting the movement of the arm and creating an alarm in the corresponding screen of the programmable automaton.
  • the movement of raising / lowering the commented arm (3) is carried out by means of an endless (8) controlled by the end of the stroke, while the rotation of that arm (3) is carried out by means of a double reducer with a 2 CV motor, both the start and the speed are adjustable, while the arc (6) that is mounted with the power to turn or tilt, said movement is carried out by means of a double reducer with a 1.5 hp motor, the start and the speed, although motors of other suitable powers could be used.
  • the equipment also comprises a group of high pressure or compressed air (9) located immediately in front of the arm (3), that is, between it and the vehicle's own cabin (2), while a water tank is provided behind (10) to which two reels are associated (11) for two hoses with lances mounted on automatic cutting guns, all in combination with a compressor (12) through which it is possible to carry out high pressure maneuvers with total speed of action.
  • a group of high pressure or compressed air located immediately in front of the arm (3), that is, between it and the vehicle's own cabin (2), while a water tank is provided behind (10) to which two reels are associated (11) for two hoses with lances mounted on automatic cutting guns, all in combination with a compressor (12) through which it is possible to carry out high pressure maneuvers with total speed of action.
  • a heating group (13) that includes two instantaneous high pressure boilers, whose control is executed from the touch screen established inside the cabin (2) of the own vehicle, allowing to select one or the other of the boilers depending on the desired temperature.
  • the equipment is equipped with fire containment means, as well as lighting means based on waterproof lighting screens whose ignition is carried out from inside the vehicle itself, through the touch screen, finally complementing with the programmable automaton located in the control panel, as well as generator sets whose control and monitoring is carried out by means of an electronic start module on which a check of both the scheduled maintenance cycles and the motor can be carried out General drive for generator sets.

Abstract

The unit involves assembling on the bed or body (1) of a vehicle, specifically a lorry, an articulated washing arm (3) capable of upwards and downwards movement, linked to several cylinders (5) connected to an arch (6) fitted with nozzles (7) for impelling pressurized water for washing. The unit includes a high-pressure pump (9), a heating unit (13) comprising two boilers, a water tank (10) and a PLC providing control via a screen inside the cab (2) of the vehicle.

Description

EQUIPO PARA LIMPIEZA DE LOS COLECTORES CILÍNDRICO- EQUIPMENT FOR CLEANING THE CYLINDRICAL COLLECTORS-
PARABÓLICOS EN PLANTAS DE ENERGÍA SOLARPARABOLICS IN SOLAR ENERGY PLANTS
TERMOELÉCTRICATHERMOELECTRIC
D E S C R I P C I Ó ND E S C R I P C I Ó N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a un equipo para limpieza de colectores cilíndrico-parabólicos en plantas de energía solar termoeléctrica, cuya evidente finalidad es la de realizar la limpieza de la superficie especular correspondiente a los concentradores cilíndrico- parabólicos, en orden a conseguir un óptimo rendimiento de la propia planta de energía.The present invention relates to equipment for cleaning cylindrical-parabolic collectors in thermoelectric solar power plants, whose obvious purpose is to clean the specular surface corresponding to cylindrical-parabolic concentrators, in order to achieve optimum performance from the power plant itself.
El objeto de la invención es proporcionar un equipo mediante el que se realiza de forma fácil, rápida y eficaz la limpieza de los colectores cilíndrico-parabólicos en plantas de energía solar termoeléctrica.The object of the invention is to provide equipment by means of which the cleaning of the cylindrical-parabolic collectors in thermoelectric solar power plants is carried out easily, quickly and efficiently.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
Actualmente se están ejecutando plantas de energía solar termoeléctrica, existiendo un elevado número de proyectos en marcha, desarrollados por las grandes empresas eléctricas, en un plan de energías renovables cuyo objetivo es alcanzar a corto plazo elevadas potencias.Currently, thermoelectric solar power plants are being executed, with a large number of projects underway, developed by large electricity companies, in a renewable energy plan whose objective is to achieve high powers in the short term.
Pues bien, una de las tecnologías de energía solar termoeléctrica es la de concentradores cilíndrico-parabólicos, en donde la concentración de la radiación se lleva a cabo mediante unos colectores de forma cilindrica con una superficie especular, de manera que dichos concentradores calientan un tubo por el que circula un fluido térmico que se dirige a un generador de vapor, enviándose posteriormente a una turbina, existiendo la posibilidad de hacer circular agua por el tubo y generar directamente vapor en el mismo.Well, one of the solar energy technologies thermoelectric is the one of cylindrical-parabolic concentrators, where the concentration of the radiation is carried out by means of collectors of cylindrical shape with a specular surface, so that said concentrators heat a tube through which a thermal fluid circulates that is directed to a steam generator, subsequently sent to a turbine, with the possibility of circulating water through the tube and directly generating steam in it.
Pues bien, esas plantas de energía solar termoeléctrica de concentradores cilíndrico-parabólicos para su máximo y óptimo rendimiento requieren una limpieza de la superficie especular de los propios concentradores, en orden a mantener un grado de reflectividad de los espejos que permita un nivel óptimo de eficiencia de la propia planta solar termoeléctrica.Well, these thermoelectric solar power plants of cylindrical-parabolic concentrators for maximum and optimum performance require a cleanliness of the specular surface of the concentrators themselves, in order to maintain a degree of reflectivity of the mirrors that allows an optimum level of efficiency from the thermoelectric solar plant itself.
Actualmente no se conoce ningún sistema para realizar la limpieza de esos colectores o concentradores cilíndrico-parabólicos.Currently there is no known system for cleaning these collectors or cylindrical-parabolic concentrators.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
El equipo que se preconiza está previsto precisamente para realizar la limpieza de los espejos de los concentradores cilíndrico- parabólicos en plantas de energía solar térmica, pudiendo el equipo en su conjunto ser implantado en un remolque o en la caja de un camión, comprendiendo las siguientes unidades o sistemas:The equipment that is recommended is precisely designed to clean the mirrors of the cylindrical-parabolic concentrators in solar thermal power plants, the equipment as a whole being able to be implanted in a trailer or in the box of a truck, comprising the following units or systems:
- Un brazo de limpieza montado de forma articulada y con posibilidad de desplazamiento en sentido ascendente y descendente, para llevar a cabo la limpieza de los colectores cüíndrico-parabólicos mediante agua a presión, comprendiendo el brazo un arco de boquillas de alta presión, mediante el que se puede efectuar una limpieza uniforme en la superficie del colector, pudiéndose seleccionar la limpieza superior o inferior del mismo, así como realizar el ciclo de lavado tanto con agua fría como con agua caliente.- A cleaning arm mounted in an articulated way and with the possibility of upward and downward displacement, to carry out the cleaning of the collectors cylindrical-parabolic by means of pressurized water, the arm comprising an arc of high pressure nozzles, by means of which a uniform cleaning can be carried out on the surface of the manifold, being able to select the upper or lower cleaning thereof, as well as perform the cycle of Wash with both cold water and hot water.
- Un grupo de presión con una bomba movida por un motor asociado a un generador de servicio.- A pressure group with a pump driven by an engine associated with a service generator.
- Un grupo de calentamiento del agua basado en dos calderas de calentamiento instantáneo.- A water heating group based on two instantaneous heating boilers.
- Un depósito de agua.- A water tank.
- Un autómata programable para gobierno del propio equipo de limpieza, con pantalla táctü situada dentro del puesto de conducción del vehículo.- A programmable controller for cleaning the equipment itself, with a touch screen located inside the vehicle's driving position.
El brazo articulado de lavado estará sometido a tres movimientos controlados por el autómata, uno para el lavado superior, otro para el lavado inferior y otro de plegado, de manera que además de los correspondientes finales de carrera para la orden de movimientos, el autómata incorporará un sistema de seguridad que detecta el fallo de los mismos, interrumpiendo el movimiento del brazo y creando una alarma en la pantalla.The articulated wash arm will be subjected to three movements controlled by the automaton, one for the upper wash, another for the lower wash and another for folding, so that in addition to the corresponding limit switches for the order of movements, the automaton will incorporate a security system that detects their failure, interrupting the movement of the arm and creating an alarm on the screen.
El movimiento ascendente/descendente del comentado brazo de lavado se realiza mediante un eje sin fin controlado por finales de carrera, efectuándose el giro del brazo mediante un reductor doble con un motor, siendo regulable el arranque y la velocidad y realizándose el giro del arco mediante un doble reductor, donde el arranque y la velocidad son igualmente regulables.The upward / downward movement of the commented washing arm is carried out by means of an endless axis controlled by limit switches, the rotation of the arm being carried out by means of a double reducer with a motor, the start and the speed being adjustable and the rotation of the arc being carried out by means of a double reducer, where the start and the speed are equally adjustable.
En cuanto a las dos calderas de alta presión correspondientes al grupo de calentamiento instantáneo, las mismas son controlables desde la pantalla táctil, pudiéndose seleccionar una u otra en función de la temperatura deseada, siendo esas calderas abastecidas de gasoil directamente desde el depósito del vehículo.As for the two high pressure boilers corresponding to the instant heating group, they are controllable from the touch screen, one or the other being selectable depending on the desired temperature, these boilers being supplied with diesel directly from the tank of the vehicle.
En cuanto al grupo de alta presión, consta de un motor refrigerado por agua que también es abastecido desde el depósito del vehículo, complementándose con un generador de servicio o alternador.As for the high pressure group, it consists of a water-cooled engine that is also supplied from the vehicle's tank, complemented by a service generator or alternator.
En cuanto al depósito de agua, el mismo será un depósito de poliéster con una capacidad de 5.000 litros, complementándose con dos lanzas de lavado con pistola de corte automático, asociadas a sendos enrolladores con 40 metros para mangueras de alta presión, así como un compresor para efectuar las maniobras de alta presión con total rapidez de actuación.As for the water tank, it will be a polyester tank with a capacity of 5,000 liters, complemented with two lances of washing with automatic cutting gun, associated with two reels with 40 meters for high pressure hoses, as well as a compressor to perform high-pressure maneuvers with full speed of action.
El equipo incluye además un sistema de contención de incendios, con unas prestaciones de 150 litros/minuto de caudal, 6 bares de presión, e incorporando, como ya se ha comentado, 40 metros de manguera y pistola regulable, siendo todo ello controlado desde la pantalla táctñ del autómata situado en el interior de la cabina.The equipment also includes a fire containment system, with a performance of 150 liters / minute of flow, 6 bars of pressure, and incorporating, as already mentioned, 40 meters of hose and adjustable gun, all being controlled from the touch screen of the automaton located inside the cabin.
En cuanto al autómata, el mismo incluye los medios de control y automatismo adecuados para el control de todas las opciones de lavado, movimientos del brazo articulado, puesta en marcha y fallos de las calderas, üuminación, consumos de aguas, posicionamiento del vehículo, avisos de mantenimiento, etc., realizándose todas las maniobras bajo tensión de seguridad de 24 v.As for the automaton, it includes the appropriate control and automation means for the control of all washing options, articulated arm movements, start-up and failures of the boilers, lighting, water consumption, vehicle positioning, maintenance warnings, etc., performing all maneuvers under 24 v safety voltage.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Para complementar la descripción que seguidamente se va a realizar y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that will then be made and in order to help a better understanding of the features of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. where, for illustrative and non-limiting purposes, the following has been represented:
La figura 1.- Muestra una representación según una perspectiva latero-anterior del equipo objeto de la invención implantado sobre un camión.Figure 1 shows a representation according to a latero-anterior perspective of the equipment object of the invention implanted on a truck.
La figura 2.- Muestra otra vista en perspectiva del mismo conjunto de la figura anterior, en este caso según una vista latero-posterior.Figure 2.- Shows another perspective view of the same set of the previous figure, in this case according to a side-rear view.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
Como se puede ver en la figura referida, el equipo de la invención, montado en la plataforma o remolque (1) de un vehículo, como puede ser un camión con su correspondiente cabina (2), desde la cual se lleva a cabo el control, operatividad y funcionalidad de todo el conjunto, se basa en un brazo (3) montado con facultad de desplazamiento ascendente y descendente sobre la propia plataforma (1) del vehículo, de cuyo brazo forma parte una estructura (4) con una pareja de cilindros hidráulicos o neumáticos (5) de accionamiento de un arco (6) dotado de una pluralidad de boquillas (7) impulsoras de agua a presión para lavado de los correspondientes colectores cilíndrico-parabólicos de una planta de energía solar termoeléctrica.As can be seen in the aforementioned figure, the equipment of the invention, mounted on the platform or trailer (1) of a vehicle, such as a truck with its corresponding cabin (2), from which the control is carried out , operation and functionality of the whole set, is based on an arm (3) mounted with the ability to move ascending and descending on the vehicle's own platform (1), whose arm is a structure (4) with a pair of hydraulic or pneumatic cylinders (5) driving an arc (6) provided with a plurality of nozzles (7 ) pressurized water boosters for washing the corresponding cylindrical-parabolic collectors of a thermoelectric solar power plant.
Como ya se ha dicho, el conjunto del brazo comentado está dotado de tres movimientos controlados por medio del correspondiente autómata, para lavado superior, para lavado inferior y para plegado, incorporando un sistema de seguridad que detecta el fallo de esos movimientos, interrumpiendo el movimiento del brazo y creando una alarma en la correspondiente pantalla del autómata programable.As already mentioned, the set of the commented arm is equipped with three controlled movements by means of the corresponding automaton, for upper washing, for lower washing and for folding, incorporating a safety system that detects the failure of these movements, interrupting the movement of the arm and creating an alarm in the corresponding screen of the programmable automaton.
El movimiento de subida/bajada del comentado brazo (3) se realiza mediante un sin fin (8) controlado por finales de carrera, mientras que el giro de ese brazo (3) se realiza mediante un reductor doble con un motor de 2 CV, siendo regulable tanto el arranque como la velocidad, en tanto que el arco (6) que está montado con facultad de giro o basculamiento, dicho movimiento se realiza mediante un doble reductor con un motor de 1,5 CV, siendo regulable igualmente el arranque y la velocidad, aunque pudieran utilizarse motores de otras potencias adecuadas.The movement of raising / lowering the commented arm (3) is carried out by means of an endless (8) controlled by the end of the stroke, while the rotation of that arm (3) is carried out by means of a double reducer with a 2 CV motor, both the start and the speed are adjustable, while the arc (6) that is mounted with the power to turn or tilt, said movement is carried out by means of a double reducer with a 1.5 hp motor, the start and the speed, although motors of other suitable powers could be used.
El equipo comprende además un grupo de alta presión o aire comprimido (9) situado inmediatamente por delante del brazo (3), es decir entre éste y la propia cabina (2) del vehículo, mientras que por detrás se ha previsto un depósito de agua (10) al que están asociados dos enrolladores (11) para sendas mangueras con lanzas montadas en pistolas de corte automático, todo ello en combinación con un compresor (12) mediante el que es posible efectuar las maniobras de alta presión con total rapidez de actuación.The equipment also comprises a group of high pressure or compressed air (9) located immediately in front of the arm (3), that is, between it and the vehicle's own cabin (2), while a water tank is provided behind (10) to which two reels are associated (11) for two hoses with lances mounted on automatic cutting guns, all in combination with a compressor (12) through which it is possible to carry out high pressure maneuvers with total speed of action.
Por detrás de ese depósito de agua (10) se ha previsto un grupo de calentamiento (13) que incluye dos calderas de alta presión de calentamiento instantáneo, cuyo control se ejecuta desde la pantalla táctil establecida en el interior de la cabina (2) del propio vehículo, permitiendo seleccionar una u otra de las calderas en función de la temperatura deseada.Behind that water tank (10) a heating group (13) is provided that includes two instantaneous high pressure boilers, whose control is executed from the touch screen established inside the cabin (2) of the own vehicle, allowing to select one or the other of the boilers depending on the desired temperature.
Además de los medios o conjuntos anteriormente referidos, el equipo está dotado de unos medios de contención de incendios, así como medios de iluminación basados en pantallas estancas de iluminación cuyo encendido se realiza desde el interior del propio vehículo, a través de la pantalla táctil, complementándose finalmente con el autómata programable situado en el cuadro de control, así como grupos electrógenos cuyo control y vigilancia se realiza mediante un módulo de arranque electrónico en base al cual se puede llevar a cabo un chequeo tanto de los ciclos de mantenimiento programado como del motor de accionamiento general para los grupos electrógenos. In addition to the aforementioned means or assemblies, the equipment is equipped with fire containment means, as well as lighting means based on waterproof lighting screens whose ignition is carried out from inside the vehicle itself, through the touch screen, finally complementing with the programmable automaton located in the control panel, as well as generator sets whose control and monitoring is carried out by means of an electronic start module on which a check of both the scheduled maintenance cycles and the motor can be carried out General drive for generator sets.

Claims

R E I V I N D I C A C I O N E SR E I V I N D I C A T I O N E S
Ia.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, que estando previsto para efectuar la limpieza de la correspondiente superficie especular de los colectores y concentradores cilíndrico-parabólicos de una planta de energía solar termoeléctrica, se caracteriza porque comprende un brazo articulado de lavado (3) con posibilidad de desplazarse en sentido ascendente y descendente, dotado de una estructura (4) sobre la que van dispuestos unos cilindros hidráulicos o neumáticos (5) de accionamiento de un arco giratorio (6) dotado de boquillas (7) para la impulsión de agua a presión sobre la superficie a limpiar, comprendiendo además un grupo de alta presión o aire comprimido (9), así como una caldera de agua (10) y un grupo de calentamiento (13) formado por dos calderas de alta presión, todo ello montado sobre la plataforma o caja de un vehículo, en cuya correspondiente cabina va montada una pantalla táctil en combinación con un autómata programable de control y accionamiento de los distintos grupos y componentes del equipo.I a.- Equipment for cleaning the parabolic trough collectors in thermoelectric solar energy plants, which, being intended to clean the corresponding mirror surface of the parabolic trough collectors and concentrators of a thermoelectric solar energy plant, is characterized because it comprises an articulated washing arm (3) with the possibility of moving in an upward and downward direction, equipped with a structure (4) on which hydraulic or pneumatic cylinders (5) are arranged to drive a rotating arc (6) equipped of nozzles (7) for pumping pressurized water onto the surface to be cleaned, also comprising a high pressure or compressed air group (9), as well as a water boiler (10) and a heating group (13) formed by two high-pressure boilers, all mounted on the platform or box of a vehicle, in whose corresponding cabin a touch screen is mounted in combination with a programmable controller for controlling and operating the different groups and components of the equipment.
2 a.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, según reivindicación 1, caracterizado porque el brazo (3), además de los movimientos de elevación/descenso, está previsto para que su estructura realice un movimiento giratorio, con finales de carrera que proporcionan un sistema de seguridad a los movimientos del citado brazo y su estructura.2 a.- Equipment for cleaning parabolic trough collectors in thermoelectric solar power plants, according to claim 1, characterized in that the arm (3), in addition to the lifting/lowering movements, is provided so that its structure performs a movement rotating, with limit switches that provide a safety system for the movements of the aforementioned arm and its structure.
3a.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, según reivindicaciones anteriores, caracterizado porque el grupo de alta presión o aire comprimido (9) incorpora un motor de accionamiento y un alternador. 4a.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, según reivindicación3 a.- Equipment for cleaning parabolic trough collectors in thermoelectric solar power plants, according to previous claims, characterized in that the high pressure or compressed air group (9) incorporates a drive motor and an alternator. 4 a.- Equipment for cleaning parabolic trough collectors in thermoelectric solar power plants, according to claim
1, caracterizado porque el depósito de agua (10) está asociado a medios de contención de incendios a base de largas mangueras previstas sobre unos enrolladores (11), en combinación con un compresor (12).1, characterized in that the water tank (10) is associated with fire containment means based on long hoses provided on reels (11), in combination with a compressor (12).
5a.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, según reivindicación 1, caracterizado porque las calderas del grupo de calentamiento (13) son de alta presión y de calentamiento instantáneo, pudiéndose seleccionar el funcionamiento de una u otra en función de la temperatura deseada.5 a.- Equipment for cleaning the parabolic trough collectors in thermoelectric solar power plants, according to claim 1, characterized in that the boilers of the heating group (13) are high pressure and instantaneous heating, being able to select the operation of a or another depending on the desired temperature.
6a.- Equipo para limpieza de los colectores cilíndrico- parabólicos en plantas de energía solar termoeléctrica, según cualquiera de las reivindicaciones anteriores, caracterizado porque el autómata situado en el cuadro de control previsto en la cabina (2) del vehículo, establece el control de todas las opciones de lavado, movimientos del brazo articulado6 a.- Equipment for cleaning the parabolic trough collectors in thermoelectric solar power plants, according to any of the previous claims, characterized in that the automaton located in the control panel provided in the cabin (2) of the vehicle, establishes the control of all washing options, articulated arm movements
(3), puesta en marcha y fallos de las calderas correspondientes al grupo de calentamiento (13), iluminación, consumos de agua, posicionamiento del vehículo, avisos de mantenimiento, y demás funcionamiento del equipo. (3), start-up and failures of the boilers corresponding to the heating group (13), lighting, water consumption, vehicle positioning, maintenance notices, and other equipment operation.
PCT/ES2009/000149 2009-03-16 2009-03-16 Unit for cleaning parabolic-trough collectors in thermo-electric solar power plants WO2010106195A1 (en)

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WO2012066154A1 (en) * 2010-11-15 2012-05-24 Logística Y Acondicionamientos Industriales, S.A.U. Vehicle for cleaning mirrors in thermal-solar-energy-capture installations
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CN103658116A (en) * 2013-11-26 2014-03-26 武汉卓成电子材料中心 Non-contact solar cell panel cleaning device
CN103920667A (en) * 2014-04-23 2014-07-16 内蒙古科盛太阳能科技有限责任公司 Equipment for cleaning solar module
US9192966B2 (en) 2011-12-01 2015-11-24 Washpanel S.R.L. Automatic washing device for continuous surfaces, in particular solar thermal collectors, photovoltaic panels, continuous glazed building walls and similar surfaces

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WO2012066154A1 (en) * 2010-11-15 2012-05-24 Logística Y Acondicionamientos Industriales, S.A.U. Vehicle for cleaning mirrors in thermal-solar-energy-capture installations
US8973198B2 (en) 2010-11-15 2015-03-10 Logistica Y Acondicionamientos Industriales, S.A.U. Vehicle for cleaning mirrors in installations for collecting solar thermal energy
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WO2012126559A2 (en) 2011-03-18 2012-09-27 Sener, Ingeniería Y Sistemas, S.A. Cleaning system for cleaning parabolic trough collector plants and cleaning method using said system
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US9192966B2 (en) 2011-12-01 2015-11-24 Washpanel S.R.L. Automatic washing device for continuous surfaces, in particular solar thermal collectors, photovoltaic panels, continuous glazed building walls and similar surfaces
CN103658116A (en) * 2013-11-26 2014-03-26 武汉卓成电子材料中心 Non-contact solar cell panel cleaning device
CN103920667A (en) * 2014-04-23 2014-07-16 内蒙古科盛太阳能科技有限责任公司 Equipment for cleaning solar module

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