Abstract: A heat exchanger plate for a plate heat exchanger (12) includes a first side, a second side and a center point (P) through which an imaginary center axis (A) extends in a direction perpendicular to a plane of the plate. The plate comprises a first port for a first medium, and at least a second port and a third port for a second medium. The plate further comprises a first sealing arranged on the second side around the first port, a second sealing arranged on the second side at a circumference of the plate, and a closed third sealing arranged between the first and second sealings to form a first heat transfer area and a second heat transfer area separated from the first heat transfer area. The second port is arranged in the first heat transfer area and the third port is arranged in the second heat transfer area.

Abstract: A burner (11) is provided for combustion of fuel, comprising an outer cover (23) having an inlet (14) for the fuel, and a combustion chamber (27) arranged within the outer cover (23), in which chamber the fuel is converted into combustion gases. The burner (11) comprises an inner cover (24) provided with an inlet opening (26) for the fuel, the inner cover being arranged within the outer cover (23) to form a space (25) between the outer cover (23) and the inner cover (24) for conducting incoming fuel around the inner cover (24) and to the inlet opening (26) of the inner cover (24). The invention also relates to a device for heating, comprising such a burner (11).

Abstract: A heat exchanger plate for a plate heat exchanger (12) includes a first side, a second side and a centre point (P) through which an imaginary centre axis (A) extends in a direction perpendicular to a plane of the plate. The plate comprises a first port for a first medium, and at least a second port and a third port for a second medium. The plate further comprises a first sealing arranged on the second side around the first port, a second sealing arranged on the second side at a circumference of the plate, and a closed third sealing arranged between the first and second sealings to form a first heat transfer area and a second heat transfer area separated from the first heat transfer area. The second port is arranged in the first heat transfer area and the third port is arranged in the second heat transfer area.

Abstract: The present invention relates to a device and a method for performing catalytic reactions in a plate heat exchanger, comprising a catalyzer (11) and a plurality of interconnected plate heat exchanger elements (10) having an inlet port (12) for supplying a first medium for interchange of heat with a second medium to be processed catalytically, supplied to the heat exchanger element (10). The heat exchanger elements (10) comprise a shaped first plate 816) connected to a shaped second plate (17) forming a space (18) between the plates accessible to the first medium through the inlet port (12), wherein the first medium can flow inside the heat exchanger element (10) and through apertures (14) arranged across th eplane of the heat exchanger elements, through which at least the second medium can flow for flowing against the catalyzer (11) and for interchange of heat with the first medium flowing in the heat exchanger elements. The catalyzer is arranged between the interconnected heat exchanger elements (10).