Abstract: Disclosed is a storage tank for molten salts, preferably of the thermocline type. The tank is provided with an insulation on the inside, which is provided by molten salts captured and retained in an appropriate metal structure. The metal structure has openings allowing molten salts to flow into it, and may consist of metal supports that hold elements which allow retaining molten salts, such as a structured packing, metal boxes, or gutter wall.

Abstract: A method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant includes: providing an oil-based solar thermal power plant, which includes a solar collection system with at least one radiation absorber tube containing a heat transfer oil to be heated by the solar collection system; providing a molten salts solar thermal power plant, which includes a solar collection system to heat a molten salts mixture; and coupling the respective plants such that the hybrid solar thermal power plant is configured to heat medium temperature steam generated by the oil based solar power plant by the molten salts mixture thereby producing high temperature steam and subsequently supplying it to a steam turbine to generate electricity.

Abstract: A back-up boiler system for a solar thermal power plant (201) for transferring solar energy into electricity, said back-up boiler system comprising a combustion chamber (70) and a convection section (80) in fluid connection with said combustion chamber (70), wherein in the convection section (80) at least a first heat exchanger (92) is provided for heating a molten salts mixture of the solar thermal power plant and a second heat exchanger (90) for pre-heating boiler feed water of the solar thermal power plant, wherein the back-up boiler system (25) is configured to allow selection between only providing heat to the first heat exchanger (92), only providing heat to the second heat exchanger (90) and providing heat to both heat exchangers (90, 92), preferably dependent on availability of solar radiation and/or dependent on demand of power generation.

Abstract: Disclosed is a storage tank for molten salts, preferably of the thermocline type. The tank is provided with an insulation on the inside, which is provided by molten salts captured and retained in an appropriate metal structure. The metal structure has openings allowing molten salts to flow into it, and may consist of metal supports that hold elements which allow retaining molten salts, such as a structured packing, metal boxes, or gutter wall.

Abstract: Method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant, wherein the method comprises: providing an oil based solar thermal power plant comprising a solar collection system with at least one radiation absorber tube containing a heat transfer oil to be heated by means of the solar collection system, providing an molten salts solar thermal power plant, wherein the molten salts solar thermal power plant comprises a solar collection system to heat a molten salts mixture coupling of the respective plants such that the hybrid solar thermal power plant is configured to heat medium temperature steam that is generated by the oil based solar power plant by means of the molten salts mixture thereby producing high temperature steam and subsequently supplying it to a steam turbine to generate electricity.

Abstract: A back-up boiler system for a solar thermal power plant (201) for transferring solar energy into electricity, said back-up boiler system comprising a combustion chamber (70) and a convection section (80) in fluid connection with said combustion chamber (70), wherein in the convection section (80) at least a first heat exchanger (92) is provided for heating a molten salts mixture of the solar thermal power plant and a second heat exchanger (90) for pre-heating boiler feed water of the solar thermal power plant, wherein the back-up boiler system (25) is configured to allow selection between only providing heat to the first heat exchanger (92), only providing heat to the second heat exchanger (90) and providing heat to both heat exchangers (90, 92), preferably dependent on availability of solar radiation and/or dependent on demand of power generation.

Abstract: A thermal-energy storage tank (1) comprising a containing structure (2) designed to house a store of thermovector fluid in the liquid state, a regenerating circuit (6) designed to draw the thermovector fluid from a bottom of the containing structure (2) and, once heated outside the tank, to deposit it in a surface portion of the store of thermovector fluid, at least one steam generator (13) comprising a heat exchanger (14, 16b) with vertical extension housed within the containing structure (2) and having at least one top opening (18) designed for inlet of the thermovector fluid and a bottom opening designed for outlet of the thermovector fluid (15).

Abstract: An electrical apparatus that can be fixed to a supporting frame having a mounting window to receive the electrical apparatus includes a main body having a substantially box-like shape and first fixing elements provided on first and second opposite sides of the body to engage with corresponding second fixing elements the frame and facing the mounting window. The first fixing elements include guiding fixing elements to permit axial and guided sliding of electrical apparatus with respect to the frame in inserting the apparatus into the mounting window. The first fixing elements further include snap-in fixing elements to block axial sliding of the electrical apparatus with respect to the frame once a predetermined snap-in position has been reached.

Abstract: The present invention refers to a support frame (1) for wall-mounting one or more electrical apparatuses, the frame comprising a frame body (2) that can be fixed to a wall and extending around an opening (5) defining a mounting seat suitable for receiving and holding one or more electrical apparatuses. The support frame (1) is characterised in that it also includes: —at least one optical source (7.1, 7.2) suitable for generating an optical signal; —an electrical circuit (20, 10) connected to said optical source (7.1, 7.2) to supply it with an electrical power supply signal, —means (16.1, 16.2, 16.3) for housing said electrical circuit (20, 10) and said source (7.1, 7.2), foreseen in said frame body (2), the frame body (2) allowing the propagation of at least one part of said optical signal towards the outside of said body.

Abstract: The present invention refers to a support frame (2) for wall-mounting at least one electrical apparatus, the frame (2) comprising:—a frame body (7) fixable to the wall and developing about a window (9) defining a mounting seat adapted for receiving and holding said at least one electrical apparatus; and—fixing means (12) for removably fixing a cover plate (3) to the support frame (2). The support frame (2) is characterised in that the fixing means includes at least one fixing channel (12) exhibiting an end jointed to an opening (13) obtained in the frame body (7), the fixing channel (12) being such as to be capable of receiving, through the opening (13), a corresponding fixing tongue (4), provided in the cover plate (3), the fixing channel (12) including therein relief means (14) that can face a surface (31) of the tongue (4) and pushing means (20, 21) adapted for acting on the fixing tongue (4) for engaging pressure-wise said surface (31) of the tongue against said relief means (14) of the channel (12).

Abstract: Protection device for protecting at least one electrical apparatus which can be fixed to a wall by means of a supporting frame including a main body provided with at least one mounting window suitable to receive said electrical apparatus, characterized in that the protection device includes: a base part, removably applied to the supporting frame, provided with at least one through opening suitable to interact with said at least one mounting window; and a protective part, connected to the base part, surrounding the through opening so as to define at least one protection chamber provided with one open side and such as to internally house at least one frontal portion of said electrical apparatus.

Abstract: The present invention refers to a support frame (1) for wall-mounting one or more electrical apparatuses, the frame comprising a frame body (2) that can be fixed to a wall and extending around an opening (5) defining a mounting seat suitable for receiving and holding one or more electrical apparatuses. The support frame (1) is characterised in that it also includes: —at least one optical source (7.1, 7.2) suitable for generating an optical signal; —an electrical circuit (20, 10) connected to said optical source (7.1, 7.2) to supply it with an electrical power supply signal, —means (16.1, 16.2, 16.3) for housing said electrical circuit (20, 10) and said source (7.1, 7.2), foreseen in said frame body (2), the frame body (2) allowing the propagation of at least one part of said optical signal towards the outside of said body.

Abstract: Electrical apparatus (1) that can be fixed to a supporting frame (2) provided with a mounting window (22) suitable to receive said electrical apparatus (1), the electrical apparatus (1) comprising: —a main body having a substantially box-like shape; and—first fixing elements (8,9,10) provided on a first (3) and a second (4) opposite side of said box-like body to engage with corresponding second fixing elements (27, 28, 29) provided on said frame (2) and facing said mounting window (22). The first fixing elements (8, 9, 10) of the electrical apparatus (1) include: —guiding fixing elements (8,9) such as to permit axial and guided sliding of said electrical apparatus (1) respect to said frame (2) in inserting said apparatus (1) into said mounting window (22); —snap-in fixing elements (10) suitable to block said axial sliding of said electrical apparatus (1) respect to said frame (2) once a predetermined snap-in position has been reached.

Abstract: Cover plate (1, 21) for the wall application of at least one electrical apparatus (20), characterised in that it comprises: —a base (2) having a through opening (3) adapted to receive a front portion of said at least one electrical apparatus (20); —a mask (4), which can be coupled to the base (2), equipped with a window (5) cooperating with said through opening (3) and it too adapted to receive a front portion of said electrical apparatus (20); —at least one fixing element (6) including, a first portion (9) adapted to project inside said window towards said base (2) and comprising coupling means (10, 14) of said element to said base (2), said fixing element including (6) moreover a second portion (7) adapted to cooperate with at least one surface portion (8) of said mask (4) facing said window (5) to fix said base (2) to said mask (4).

Abstract: The present invention refers to a support frame (2) for wall-mounting at least one electrical apparatus, the frame (2) comprising: —a frame body (7) fixable to the wall and developing about a window (9) defining a mounting seat adapted for receiving and holding said at least one electrical apparatus; and —fixing means (12) for removably fixing a cover plate (3) to the support frame (2). The support frame (2) is characterised in that the fixing means includes at least one fixing channel (12) exhibiting an end jointed to an opening (13) obtained in the frame body (7), the fixing channel (12) being such as to be capable of receiving, through the opening (13), a corresponding fixing tongue (4), provided in the cover plate (3), the fixing channel (12) including therein relief means (14) that can face a surface (31) of the tongue (4) and pushing means (20, 21) adapted for acting on the fixing tongue (4) for engaging pressure-wise said surface (31) of the tongue against said relief means (14) of the channel (12).