ITUB20159375A1 - FUEL DEVICE AND METHOD FOR MANUFACTURING THE DEVICE - Google Patents

Description

FUEL DEVICE AND METHOD FOR MANUFACTURING THE

DEVICE

Technical field

The present invention relates to a combustible device, in particular for cooking food, and a method for manufacturing the device itself.

Known art

It is common to cook food on the grill, in particular meat, using the heat of the embers and the smoke of a fire, suitably fed with a suitable fuel. This cooking method is often adopted for cooking food outdoors, for example using portable fireplaces or braziers.

The fuel used is generally in the form of briquettes or briquettes comprising materials of natural and / or artificial origin.

Patent US2014259890A1 illustrates, for example, a briquette for use in cooking food comprising wax and combustible material of the type of wood particles with the addition of flammable porous organic fibers and porous non-organic material. The fibers and non-organic material contribute to increasing the flammability of the briquettes, the intensity of the flame generated and the heating power.

Patent GB2494293A describes a composition for a fuel comprising hard or coniferous wood material and an additive.

The patent RU2551856, on the other hand, illustrates a method for the manufacture of briquettes for cooking food which include wood sawdust and leaves without the addition of chemical additives such as binders.

However, a problem complained of is the duration of the embers produced by the carbonization of the briquettes, which often does not last long enough to allow the cooking of the food to be finished and therefore needs to be refilled if necessary.

moreover, it should be emphasized that cooking using the aforementioned fuel briquettes confers a smoky aroma to the food, but often involves the generation of particular odors which can alter, at least in part, the flavor of the food. The need is therefore felt to cook food on the grill while optimally preserving its flavors.

Presentation of the invention

the task of the present invention is to solve the aforementioned problems by devising a fuel device suitable for cooking food which exhibits an optimal duration during the combustion phase.

Within the scope of this aim, a further object is to devise a combustible device which allows the flavors of foods to be kept unchanged during cooking.

Another object of the present invention is to provide a combustible device which has a high calorific value.

A further object of the present invention is to provide a combustible device which allows to reduce the production of waste elements deriving from combustion.

An object of the present invention is to provide a method for manufacturing a fuel device suitable for cooking food which allows to exploit traditional equipment to obtain a product with high combustion performance in terms of heat generated and duration over time.

A further object of the invention is to provide a fuel device of simple construction and functional conception, with reliable operation, of versatile use, as well as of economic cost.

The aforementioned purposes are achieved, according to the present invention, by the fuel device, in particular for food use, according to claim 1 and by the method for manufacturing fuel devices according to claim 8.

The combustible device, in particular for food use, comprises a body equipped with at least one through hole, forming a channel suitable for allowing the passage of air through said body so as to facilitate the ignition and combustion of said device, said body being made of compressed wood material without additives and / or binders.

Preferably, said woody material has a particle size comprised between 500 μηπ and 2500 µm.

According to one embodiment, said woody material has a grain size between 500 μηπ and 900 μιτι.

Preferably the body has a prismatic or cylindrical shape.

Preferably the prismatic body has a square base.

Preferably, said prismatic or cylindrical body has a height that does not exceed double the diameter of the base circumference or circumscribed circumference to the base polygon of the same body.

Preferably the height of the device has a size in the range between 5.5 cm and 9.5 cm.

According to one aspect of the invention, the body has a parallelepiped or cube shape, with rounded edges.

Preferably the body comprises a first base and a second base substantially parallel to the first base; and between the two bases, orthogonally to them, a perimeter wall develops.

Alternatively, the perimeter wall develops in an inclined direction with respect to the base plane, forming an oblique solid.

Preferably, said at least one hole extends along a median longitudinal axis of the body.

Preferably, said at least one hole has a circular section.

Preferably the wood material is beech wood.

The present invention also relates to a method for manufacturing combustible devices.

The method involves the step of grinding a woody material to obtain a wood flour with a grain size between 500 μηπ and 2500 μηπ.

The method then provides for compressing said wood flour, exerting a compression force in the range between 250 bar and 300 bar.

Subsequently, the method provides for extruding said wood flour so as to obtain an extruded product having an elongated shape.

Preferably, said extruded product has a parallelepiped shape provided with a substantially central hole.

The method then optionally provides for cooling said product.

Thereafter, the method provides for cutting said product in a transverse direction so as to obtain a plurality of combustible devices.

Finally, the method preferably provides for cleaning the devices by blowing and removing residual dust.

Finally, the method preferably provides for placing the devices in suitable storage containers.

Preferably, the containers are arranged on pallets designed for the storage and transport of the devices.

The present invention also relates to the use of the fuel device for cooking food.

Brief description of the drawings

The details of the invention will become more evident from the detailed description of a preferred embodiment of the fuel device according to the invention, illustrated by way of example in the accompanying drawings, in which:

Figure 1 shows a perspective view of the fuel device in question.

Embodiments of the invention

With particular reference to this figure, the fuel device according to the present invention is indicated as a whole with 1.

The fuel device is preferably intended for food use, in particular it is used for cooking food.

The fuel device comprises a body 2 provided with a substantially central hole 3 which preferably extends along a median longitudinal axis M of the body 2.

The hole 3 passes through and defines a channel for the passage of air to facilitate the ignition and combustion of the body 2, during use.

the body 2 has a prismatic shape but obviously can be made in different geometries such as for example cylindrical.

Body 2 has a height that does not exceed double the diameter of the base circumference or the circumference circumscribed to the base polygon of the same body 2.

Preferably the body 2 has a substantially cube-like shape having rounded edges 4.

In particular, the body 2 comprises a first base 5 from which a perimeter wall 6 extends along a direction substantially orthogonal to the plane of the base 5. Alternatively, the perimeter wall 6, in particular at least one pair of side faces of the wall 6, it can develop in an inclined direction with respect to the base plane 5, forming an oblique cube. The body 2 is provided with a second base 7, substantially parallel to the first base 5.

The body 2 is made of suitably compressed wooden material. The woody material has a grain size between 500 μηπ and 2500 μιτι.

Preferably the wood material is beech wood. The woody material is selected to meet a predetermined level of quality and is deprived of any potentially toxic residues.

The device does not contain additives and / or aggregates.

The present invention also relates to a manufacturing method of the aforementioned combustible devices.

The method first of all involves selecting at least one type of wood material, preferably beech wood, and eliminating any residues, in particular potentially toxic residues.

The woody material is then ground to obtain a wood flour with a grain size between 500 μιτι and 2500 μιτι.

The wood flour is then subjected to compression and extruded to take on a desired shape.

The compressive force exerted on the wood flour is in the range between 250 and 300 bar.

The extrusion is performed, by means of an extruder device, in order to obtain a product of wood flour having an elongated shape, preferably a parallelepiped with a substantially central hole.

the extruded product is optionally subjected to cooling and is then cut transversely to obtain a plurality of combustible devices.

Preferably, each fuel device has the shape of a cube provided with a central hole. Preferably each side of the cube has a value in the range 5.5 cm - 9.5 cm.

The next step involves cleaning the products obtained by blowing and removing residual dust.

Finally, the combustible devices are arranged in suitable storage containers, of the type of bags.

These containers are preferably placed in special pallets designed for the storage and transport of the combustible devices.

The fuel device according to the present invention achieves the object of guaranteeing an optimal duration during use.

The choice of a wood material with a certain grain size together with the compression to which the material is subjected favor, during use, the generation of a durable and resistant embers.

The conformation of the device which provides at least one hole for the passage of air also contributes to facilitating its ignition and combustion, however allowing a homogeneous burning, i.e. which affects the external and internal portion of the device in the same way, as well as a gradual burning in the time.

A prerogative of the device according to the present invention is the exclusive use of suitably compressed ground wood material, without additives and / or aggregates, which ensures safe use for cooking food and also allows the flavors of the food to be kept unaltered. In fact, this woody material used as fuel does not generate particular odors that can alter the taste of food. The compressed wood material also offers the advantage of producing contained quantities of waste products such as sulfur and soot during combustion with consequent greater cleaning.

The method for the production of combustible devices allows to obtain a product with high performance in the combustion phase in terms of heat generated and duration over time.

In particular, the compression phase to which the wood flour is subjected achieves the purpose of providing a product that does not require aggregates and / or additives, as mentioned above, as the lignin present in the wood, following the high pressures, it transforms itself constituting an aggregator. The steps of grinding the wood material up to a certain granulometry and the subsequent compression allow to obtain a device that has a high calorific value and therefore allows to generate an optimal amount of heat in relation to the volume during the combustion phase.

It should also be considered that the method exploits traditional equipment of the technical sector, such as extruder devices, allowing the implementation of the production phases with an optimization of costs.

The device described by way of example is susceptible of numerous modifications and variations according to the various requirements.

Where the technical characteristics mentioned in each claim are followed by reference signs, these reference signs have been included for the sole purpose of increasing the understanding of the claims and consequently they have no limiting value on the purpose of each element identified by way of reference. example from such reference marks.

Claims (10)

Claims 1) Combustible device, in particular for cooking food, comprising a body (2) equipped with at least one through hole (3), forming a channel adapted to allow the passage of air through said body (2) so as to facilitate the ignition and combustion of said device, said body (2) being made of compressed wood material without additives and / or binders. 2) Device according to claim 1, characterized in that said wooden material has a particle size comprised between 500 µm and 2500 µηπ. 3) Device according to claim 1 or 2, characterized in that said body (2) has a prismatic or cylindrical shape. 4) Device according to claim 3, characterized in that said body (2) of prismatic shape has a square base. 5) Device according to one of the preceding claims, characterized in that said at least one hole (3) extends along a median longitudinal axis (M) of said body (2). 6) Device according to one of the preceding claims, characterized in that said body (2) of prismatic or cylindrical shape has a height that does not exceed double the diameter of the base circumference or of the circumscribed circumference to the base polygon of the same body ( 2). 7) Device according to one of the preceding claims, characterized in that said wood material is beech wood. 8) Method for the manufacture of combustible devices, in particular for cooking food, comprising the steps of: to. grind a woody material to obtain a wood flour with a grain size between 500 μιτι and 2500 μηπ; b. compressing said wood flour, exerting a compression force in the range between 250 bar and 300 bar; c. extruding said compressed wood flour so as to obtain an extruded product having an elongated shape; d. optionally cooling said extruded product; And. cutting said product in a transverse direction so as to obtain a plurality of combustible devices. 9) Method according to claim 8, characterized in that it comprises the further steps of f. cleaning said devices by blowing and removing residual dust; g. arrange said devices in suitable storage containers. 10) Use of the fuel device according to one of claims 1 - 7, for cooking food.