The invention relates to an expansion system of the heat transfer medium circuit (10) of a solar thermal power plant, comprising an expansion container (34a, 34b) and a flooding container (32), wherein the expansion container (34a, 34b) and the flooding container (32) are connected to each other via a first fluid line (38). The invention is characterized in that the expansion container (34a, 34b) is arranged at a higher level than the flooding container (32).
In a method for treating a heat transfer medium of a solar-thermal power plant, a solution is to be created by which the treatment of the heat transfer medium of a heat transfer medium circuit of a solar-thermal power plant can be carried out more economically. This is achieved by carrying out the treatment in a first treatment stage (I) and/or in a second treatment stage (II) and/or in a third treatment stage (III), wherein in the first treatment stage (I) the heat transfer medium to be treated is divided into heat transfer medium containing low-boiling fractions and heat transfer medium containing high-boiling fractions and particles, in the second treatment stage (II) the low-boiling fractions are separated from the heat transfer medium, and in the third treatment stage (III) the high-boiling fractions and particles are separated from the heat transfer medium.
B01D 3/34 - Distillation ou procédés d'échange apparentés dans lesquels des liquides sont en contact avec des milieux gazeux, p. ex. extraction avec une ou plusieurs substances auxiliaires
3.
HIGH-TEMPERATURE SOLAR HEATING APPARATUS FOR POWER STATIONS
A high-temperature solar heating apparatus for power stations and other high-temperature processes, with a strip-shaped collector mirror arrangement (1) which has a focal point zone or axis (3) extending linearly, is tracked to the solar altitude and is planar or channel-shaped in cross section, with a collector tube (5) through which fluid flows and which is focused by the collector mirror arrangement (1) on a focal point zone or axis (3) and conducts away radiation energy of the sun, and with a covering tube (7) which surrounds the collector tube (5), reduces heat-convection and heat-conduction losses of the collector tube (5) and is tracked together with the collector mirror arrangement (1) to the solar altitude or is not tracked thereto and consists of a material through which solar radiation (2) passes, and with a layer of a material permitting transmission of radiation energy of the sun and reflecting black body radiation of the collector tube (5) being assigned to the covering tube (7), in which the layer assigned to the covering tube (7) is a filter layer (9) which reduces the radiation power of the sun incident into the covering tube (7) by a smaller amount than is obtained by the reflection power of the filter layer (9) on the collector tube (5). The properties of the layer assigned to the covering tube can differ depending on the side facing the sun or facing the collector, in order to achieve the maximum efficiency.
The subject matter of the invention is a pipeline arrangement comprising a pipeline (112) with a first end section (114) and a second end section (116) which lies opposite the first end section, wherein the first end section and the second end section are mounted in each case on a bearing element (118). According to the invention, it is provided that a tensile element (126) is provided between the first end section and the second end section of the pipeline, and the pipeline is of arcuate configuration between its first end section and its second end section, with the result that the pipeline is provided spaced apart from the tensile element between the first end section and the second end section of the pipeline.
In the case of an expansion system (11) in the heat-transfer-medium circuit (1) of a solar-thermal power plant, comprising a plurality of expansion tanks (12a, 12b, 12c) and/or flooding tanks arranged in the heat-transfer-medium circuit (1), the intention is to provide a solution which makes it possible to create an expansion system which is simplified in technical terms and is of less complex design. This is achieved in that the expansion system (11) comprises a plurality of expansion tanks (12a, 12b, 12c) which are arranged substantially at the same height level and are in fluid-channelling connection with one another.
The invention relates to a parabolic reflector washing vehicle (1), comprising a freely movable, steerable and motor-driven carrier vehicle (2) having a washing liquid tank (3) disposed on a bed and a washing device (5) which is disposed on the carrier vehicle (2) and has a supporting arm (6) and with which washing liquid from the washing liquid tank (3) can be applied to a parabolic reflector surface (10) to be cleaned. According to the invention, the washing device (5) is fastened to the carrier vehicle (2) and has a supporting arm (6) that is provided with at least three degrees of freedom of movement and/or can be pivoted at least partially about at least two axes (11a, 11b, 11c, 11d).
The invention relates to a parabolic trough collector (14) comprising a parabolic mirror support structure (1) having a parabolic mirror surface applied thereto and an absorber support structure supporting an absorber tube (12), wherein both support structures are mechanically attached to each other in a fixed relative position on a torsion tube (2) which is disposed below the parabolic mirror surface, and together with which both support structures are pivotally mounted about the rotational longitudinal axis of a parabolic trough collector. The aim of the invention is to reduce the design effort for the production of a parabolic mirror support structure and to increase the usable mirror surface. This is achieved by arranging the torsion tube (2) such that the rotational longitudinal axis of the parabolic trough collector coincides with the center longitudinal axis of the torsional tube (2).
The invention relates to a solar thermal power plant (1) having a solar thermal heated heat transfer medium circuit (2) and a steam circuit (3) of a turbine stage thermally coupled thereto by means of a steam generating stage (4) incorporated in the heat transfer medium circuit (2), wherein a solution is to be provided that improves the utilization of the thermal output of a solar field of a solar thermal power plant and at least reduces the necessity of defocusing collectors of the solar field. Said aim is achieved in that at least one heat exchanger (17) incorporated in the heat transfer medium circuit (2) is disposed in the steam circuit (3) in the feedwater preheating section implemented between a degasser (15) and the steam-generating stage (4).
The invention relates to a feed water degasifier comprising a degasifier (8) with a feed water tank (1) connected thereto, said components being integrated into the water/steam cycle of a solar thermal power station that has a heat transfer medium circuit with an associated water/steam cycle. The aim of the invention is to provide a solution, which in terms of the heating and control process provides a less complex way of supplying the degasifier with heating steam in comparison with prior art. To achieve this, at least one additional evaporator (11), which has a line connection (12) on the water side to the feed water region (5) of the feed water tank (1) and a line connection (13) on the steam side to the steam region (6) of the feed water tank (1), is allocated to the feed water tank (1).
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
19 - Matériaux de construction non métalliques
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores. Solar collectors for electricity generation (photovoltaics); solar thermal collectors; parabolic mirrors. Solar thermal installations, and components therefor (included in class 11). Pipes and pipe groups (not of metal) for solar thermal installations (included in class 19). Electronic data processing consultancy in connection with the marketing, production, installation and maintenance of machines for pumps, solar installations, solar thermal installations, photovoltaic installations, photovoltaic modules and renewable energy generation installations. Planning and consultancy for building construction; installation, maintenance and repair of energy production installations and machines, in particular solar thermal and photovoltaic installations. Building and construction drafting, architectural consultancy, providing technical and economic expertise, research and development, all the aforesaid services in connection with the construction of energy production installations, in particular solar thermal and photovoltaic installations.
The invention relates to an assembly method for the permanent mechanical connection of two components to be assembled, said method being simplified and improved in relation to the compensation possibility of the dimensional variations of the components to be assembled. To this end, the assembly method comprises the following steps: a) a first and a second assembly component (1, 4) are aligned in a precise manner, in an assembly position, forming an assembly gap (7) between the assembly surfaces (3, 3a; 6, 6a) of the components (1, 4) to be assembled; b) the components (1, 4) to be assembled are at least temporarily fixed in this assembly position; the assembly gap (7) is filled with a fluid assembly medium (8), and d) the assembly medium (8) is hardened in the assembly gap (7) to form a permanent connection generating cohesion and adhesion forces, transmitting said forces between the components (1, 4) to be assembled.
F16B 11/00 - Assemblage d'éléments structuraux ou parties de machines par collage ou en les pressant l'un contre l'autre, p. ex. soudage sous pression à froid
F24J 2/52 - Agencement des montages ou des supports
12.
SELF-LEARNING SOLAR COLLECTOR ORIENTATION CONTROL SYSTEM
The invention relates to a method for controlling the orientation of a sun collector (K1, K2, K3, K4), with a heat collecting element (10) respectively arranged in the focal line. The temperature and/or the heat quantity of the heat transfer medium flowing through the heat collecting element (10) are measured in the region of a sun collector (K1, K2, K3, K4) in such a way that they can be associated with same, and the determined temperature values (T1, T2, T3, T4; T'1, T'2, T'3; T' 4' T'5) and/or heat quantity values are supplied to a control unit controlling the orientation of each sun collector (K1, K2, K3, K4) and orienting the respective sun collector (K1, K2, K3, K4) according to a determined orientation parameter. The method according to the invention comprises the following steps: a) the heat quantity collected in each sun collector is determined; b) an orientation parameter of each sun collector (K1, K2, K3, K4) is modified by an increment in the direction of the movement of the sun or a decrement away from the movement of the sun; c) the heat quantity collected in step a) is compared with the heat quantity collected in each sun collector after step b) has been carried out, and d) the orientation parameter modified by the increment or the decrement is stored as a new nominal value for the orientation control of each sun collector in the control unit, when it is determined that the heat quantity determined in step c) is higher than the heat quantity determined in step a).
F24J 2/38 - comportant des dispositifs de poursuite (F24J 2/02, F24J 2/06 ont priorité;montages ou supports rotatifs pour ces dispositifs F24J 2/54;structures de support pour modules photovoltaïques spécialement adaptées pour le suivi du soleil H02S 20/32)
F24J 2/54 - spécialement adapté pour un mouvement de rotation
G05B 13/00 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé
G05D 3/10 - Commande de la position ou de la direction sans utilisation de contre-réaction
