A biomass heating system for firing fuel in the form of pellets and/or wood chips is disclosed, comprising: a boiler with a combustion device; a heat exchanger with an inlet and an outlet; wherein the combustion device comprises a combustion chamber with a primary combustion zone and with a secondary combustion zone provided downstream thereof; the combustion device having a rotating grate on which the fuel can be burned; the secondary combustion zone of the combustion chamber being fluidically connected to the inlet of the heat exchanger and the primary combustion zone being laterally enclosed by a plurality of combustion chamber bricks.

A biomass heating system for firing fuel in the form of pellets and/or wood chips is disclosed, comprising: a boiler with a combustion device; a heat exchanger with an inlet and an outlet; wherein the combustion device comprises a combustion chamber with a primary combustion zone and with a secondary combustion zone provided downstream thereof; the combustion device having a rotating grate on which the fuel can be burned; the secondary combustion zone of the combustion chamber being fluidically connected to the inlet of the heat exchanger and the primary combustion zone being laterally enclosed by a plurality of combustion chamber bricks.

A method for commissioning a biomass heating system for combusting fuel in the form of pellets and/or wood chips, the biomass heating system comprising a boiler with a combustion chamber, a blower and a control device with a memory and a display, the method comprising the following steps: Determining (S2) whether the biomass heating system is initialized for the first time, wherein if the biomass heating system is not initialized for the first time, the method is terminated, and if the biomass heating system is initialized for the first time, the method is continued with the following step: Setting a plurality of heat generation parameters (S5) comprising at least the following parameters: a boiler type parameter defining at least a working range of the blower; a material parameter defining the characteristics of the fuel(s) to be combusted.

A rotating grate for a biomass heating system is disclosed, the grate comprising: at least one rotating grate element; at least one bearing axle, by means of which the rotating grate element is rotatably mounted; at least one cleaning device attached to one of the rotating grate elements, wherein the cleaning device comprises a mass element movable relative to the rotating grate element; wherein the cleaning device is arranged in such a way that, upon rotation of the rotating grate element, an acceleration movement of the mass element is initiated so that the cleaning device exerts a knocking effect on the rotating grate element in order to clean the rotating grate element.

A rotating grate for a biomass heating system is disclosed, the grate comprising: at least one rotating grate element; at least one bearing axle, by means of which the rotating grate element is rotatably mounted; at least one cleaning device attached to one of the rotating grate elements, wherein the cleaning device comprises a mass element movable relative to the rotating grate element; wherein the cleaning device is arranged in such a way that, upon rotation of the rotating grate element, an acceleration movement of the mass element is initiated so that the cleaning device exerts a knocking effect on the rotating grate element in order to clean the rotating grate element.

The invention relates to a wood gas boiler having a boiler wall and a boiler bottom, at least one device for supplying air and at least one grating being arranged within the boiler wall and above the boiler bottom, and wood gas being produced in a firebed from wood chips on the grating, which wood gas can be extracted and/or conducted outwards, there being in the region of the firebed a star having a plurality of arms which extend in a star shape towards the boiler wall and can each be rotated about a rotational axis running radially with respect to the central vertical axis of the star.

The disclosure provides for a device for selectively agitating briquettes on a grill supporting plate. The device includes a variable frequency vibrational device, a power source, and a control circuit that controls the vibrational device at selected frequencies to create various Chladni patterns in the plate and, therefore, heating patterns over the surface of a briquette-supporting pan. The plate supports one or more pieces of charcoal and the device is integrated into the pan. When turned on, the vibrational device vibrates at a selected frequency. This vibration is translated to the briquette-supporting plate and causes different charcoal briquettes to selectively vibrate. The device is capable of selectively activating or pixilating briquettes to generate higher temperatures over different surface areas of the plate when the grill is cooking one or more pieces of food requiring different degrees of grilling or cooking.

System for cleaning the burner and confining fuel in solid-fuel boilers of the type that consist of one plate, one supply device, at least one ash discharging device. The plate is mobile and has means to rotate with respect to the supply device and/or to each ash discharging device; each ash discharging device is fixed and has at least one blade with means to guide it at will on the plate occupying at least part of its perimeter. The blades of each ash discharging device are increased in height and occupy the entire perimeter of the plate, all of them delimiting, in conjunction with the plate and in an initial position where they act as side slats, a perimetrally closed container to confine a larger quantity of solid fuel on the plate without varying its size.

System for cleaning the burner and confining fuel in solid-fuel boilers of the type that consist of one plate, one supply device, at least one ash discharging device. The plate is mobile and has means to rotate with respect to the supply device and/or to each ash discharging device; each ash discharging device is fixed and has at least one blade with means to guide it at will on the plate occupying at least part of its perimeter. The blades of each ash discharging device are increased in height and occupy the entire perimeter of the plate, all of them delimiting, in conjunction with the plate and in an initial position where they act as side slats, a perimetrally closed container to confine a larger quantity of solid fuel on the plate without varying its size.

A table has a table top containing an opening. A heating appliance is in the opening wherein the heating appliance extends at least beneath the table top. The table top opening comprises a recess in which the heating appliance is received, and the recess has at least one wall below the table top. The heating appliance has a substantially sealed chamber for receiving combustible fuel with which the heating appliance is used, and the chamber has at least one window.