DE102011054193A1 - Device for use as chimney replacement unit for combustion of ethanol in home, has vaporizer device comprising nozzle device that is arranged at side referring to combustion zone, where circumference of nozzle device comprises slots - Google Patents

Abstract

The device (1) has a burner (2) comprising a vaporizer device, which forms a combustion zone (4) with fire. The vaporizer device comprises a nozzle device (21), which is arranged at a side referring to the combustion zone. Circumference of the nozzle device comprises inlet slots (22). The nozzle device comprises a control ring, where circumference of the control ring includes inlet ports. A filling material i.e. stainless steel strands, is arranged within a container (3) for storage of fuel such that the filling material is arranged outside the vaporizer device.

Description

Field of the invention

The present invention relates to a combustor for burning hydrocarbon liquids, especially ethanol.

State of the art

For burning of fuels burning devices, hereinafter referred to as "burner" known. They are used in particular as a fireplace replacement in apartments. The burners usually consist of a container which receives the available in liquid form, for example, ethanol, and holds ready for combustion. The burner itself has a combustion zone within which the fuel burns with a corresponding flame formation.

This type of burner does not require a flue to remove flue gases, as is known in wood heating appliances, for example. By burning ethanol, the exhaust products are largely limited to carbon dioxide and water vapor. The burner is thus mainly used for visual and feel-good purposes, but can also serve as a heat source depending on the design.

For example, from the DE 10 107 065 A such a burner known. Also from the DE 20 2008 006 061 a burner is described as a fireplace insert.

The reservoir for storing the fuel has an evaporator device which conveys the combustion fuel in the direction of the combustion zone. The size of the combustion zone and thus also the size of the flame, can be controlled by appropriate slide. The evaporator device is funnel-shaped in this embodiment and extends into the container with the ethanol liquid. The evaporator device has on its surface-like configuration slots or openings, which allow vaporized due to the heat generated within the container ethanol and increases in the direction of the combustion zone. There, the vapor ignites and a flame is created. The flame is typically smaller in size than the provided opening.

Also from the DE 10 2007 038 995 For example, a burner is known which provides for receiving liquid fuels in a container. A combustion zone is provided which is in fluid contact with the container for receiving the fuel. An evaporator extends from the combustion zone into the container. This is formed such that it consists of two mutually spaced plate-like elements having slots on their surface. A porous body is provided, which transports the fuel from the reservoir for storing the fuel in the direction of the combustion zone. This is arranged inside the plate-like elements of the evaporator device. This body assumes the function of a wick, such that a uniform and regular transport takes place in the direction of the combustion zone. By appropriate capillary action within the porous body, the fuel is transported to the top of the porous body and evaporates there. In the combustion zone, this ignites and gives a uniform flame structure, since a continuous feeding of the ethanol from the container is given by this porous acting as a wick material. Therefore, this body is also located immediately below the combustion zone. In addition, vapors and gases from the reservoir can also rise and pass the porous body to the flame opening. These too ignite in the combustion zone. Sliders are designed to reduce or even shut off the provided opening in the combustion zone.

From the DE 10 2009 058 933 is also known a burner. It has a container which serves to store the fuel. In the container protrudes an evaporator, which is at least partially wetted with fuel. The evaporator device has at its periphery openings or slots through which the fuel can penetrate both in the liquid and in the gaseous state. Thus, this passes from outside the evaporator device, through the slots and rises within the evaporator device up into the combustion zone. In order to prevent fuel from leaking out of the container in the event of improper handling, namely by dropping the burner, a porous body is arranged in the combustion zone, which is arranged in a fluid-tight manner inside the evaporator device. Gaseous fuel passes through the porous material, the liquid portion is retained. The recessed body in the region of the combustion zone thus has the task of preventing liquid fuel from escaping from the container and to deliver the gaseous fraction into the combustion zone.

Disadvantages of the prior art

The known fireplaces also have the disadvantage that the emerging fire in the area of the combustion zone rather candlelight or Torch character has and not such, as it has natural Kaminbrennstellen.

In addition, the consumer expects open fire, more wild fire and that this is associated with sounds such as crackling, crackling or the like. This is also not the case, since in particular by the porous foam materials within or below the combustion zone rather a uniform burning of the vaporized fuel is promoted. Due to the porous material, the resulting noise is suppressed. This therefore works comparable to a sound insulation. The typical character of an open combustion, as it is known when burning pieces of wood, is not given.

The known from the prior art devices are not suitable for use in the catering, as they do not have the necessary safeguards, such as protection of the combustion zone, protection against rain or wind or storm and associated sparks.

Object of the invention

Thus, it is an object of the invention to provide a burner by means of which hydrocarbon liquids can be burned, while a flame comparable to the combustion of wood with the associated noise is formed.

Solution of the task

The solution of the problem is provided by the features of claim 1.

Advantages of the invention

A very lively flame picture is achieved by the type of construction of the burner. This creates a flame character, as it is known only by campfires or closed fireplaces.

Due to a special construction, a corresponding turbulence of the flow of the necessary for the combustion of oxygen and the vaporized fuel within the combustion zone is achieved, which visually enhances the actually quiet flame of a fire of this kind and leaves a much larger and lively wild impression.

By slipping a glass cylinder, this impression is further enhanced. If the glass cylinder is so connected to the burner, so that only oxygen passes through the arranged above the combustion zone opening, the wild impression of the fire is reinforced again. A very wild lively form of fire with the corresponding sounds arises. The impression with regard to flame formation, which has hitherto been known from the burners which are operated with ethanol, can no longer be recognized here. However, the invention is not limited to the glass cylinder. Rather, a device is provided which has the property of being transparent to provide a view of the combustion zone and on the other to regulate the oxygen supply and to protect against weather-related influences, the firing process at least partially.

In addition, the advantage of the technical design of the burner is that from the from the DIN standard 4734-1 Required maximum possible throughput of 0.5 liters / h of fuel at room temperature the maximum optical effect can be achieved.

The device thus consists essentially of the actual burner, which in turn comprises at least one evaporator device which is at least partially disposed in the reservoir. In the reservoir, the fuel is stored.

Advantageously, the storage container is surrounded by a security container, wherein the security container is preferably arranged at a defined distance from the storage container. The containment shell-like surrounds the reservoir and has, inter alia, the property of fuel, the unintentionally leaking from the reservoir to record.

The combustion zone is designed such that it consists of the evaporator device and a nozzle device arranged above the evaporator device. The evaporator device is cylindrical in one embodiment. However, the invention is not limited thereto. Rather, an evaporator device in elongated form is conceivable, for example, two plate elements are arranged parallel to each other at a distance from each other. These can also be connected to each other. The purpose of the evaporator device is that the fuel stored outside of the evaporator device passes through inlet openings into the interior of the evaporator and then passes here due to the combustion zone into the vapor state and ignited by the existing high temperature. The evaporator device has at its periphery a plurality of fuel inlet openings. These fuel inlet openings serve to allow the fuel, which is stored within the storage container, to enter the interior through the fuel inlet opening.

Above the evaporator device, the nozzle device is arranged. It is preferably larger in diameter than the evaporator device and also has inlet openings arranged on its circumference. The nozzle device further comprises a control ring encompassing the nozzle device, wherein the control ring likewise has inlet openings.

The nozzle device is in the assembled state above the fill level of the fuel. This means that fuel in the gaseous state enters the combustion zone through the inlet openings. However, since the actual flame width is determined by the evaporator device, this is also dimensioned in the region of the nozzle device. However, due to the entry of gaseous fuel into this combustion zone, the flame is fractal-like, that is, accidental, sometimes through one inlet port through another, thus producing a broader flame for a short time. Because these ignitions occur at random, the inherently calm flame moves considerably, giving it its wild, unique character.

The control ring surrounding the nozzle means is relatively positionable with respect to it. Depending on whether the nozzle device is round or angular, the control ring is rotatable or displaceable. The control ring also has inlet openings at its circumference or its outer surface. Depending on the position, these are to be brought into coincidence with the inlet openings of the nozzle device or the inlet openings of the nozzle device are covered. If the control ring is positioned such that the inlet openings of the nozzle device are closed, the accidental ignition of the evaporating fuel in this area is reduced or even suppressed. It creates a calmer flame behavior. If, on the other hand, the control ring is positioned in such a way that the inlet openings of the nozzle device are open, then many ignitions occur, which bring about a wild flame behavior.

The inlet openings of the nozzle device and the control ring can be specially designed such that in defined positions, for example, only every second inlet opening is covered or that each inlet opening of the nozzle device is only half open. In particular, this has a proven in plan view "P" shape, whereas the other side has an upside-down "P". This makes it possible to cover the inlet openings even in half.

In order to avoid that the ignitions form such that they take place within the container for the fuel, is provided according to the invention to line the container for the fuel at least partially with a filler. For example, wool-like stainless steel can be used as filling material. The filling material has, among other things, the task of substantially enlarging the surface so that a chip-like formation appears suitable. This design of the stainless steel can be laid either in uniform density or in different density within the container. In this case, the filling material is to be positioned such that it comes to rest outside the evaporator device and outside the nozzle device.

Within the combustion zone also no filler material is present. In a filled container, the filler is at least partially wetted with fuel. Due to the heat generated by the burner, this heat is transferred to the filling material and thus promotes a more efficient evaporation. The arrangement of the filling material in the region of the nozzle device has the effect that no ignitions take place outside the nozzle device and thus within the container for the fuel and above the filling surface of the fuel. Preferably, the filling material is packed more tightly here as well.

The resulting ignitions cause noise. These are even enhanced by the design of the burner, as the burner acts as a resonator. Due to the different packing densities of the filling material a defined acoustics can be provided, which comes very close to a natural fire with pieces of wood.

It has also been found by experiments that the flame behavior still changes significantly and becomes wilder when oxygen passes only from above to the combustion zone. Advantageously, this is achieved by a glass cylinder which is arranged around the burner. This glass cylinder is designed such that it closes off the combustion zone in an airtight manner and extends away from it and thus also from the burner. Only after a long distance, the glass cylinder is open, so that on the one hand oxygen can penetrate therein and the heat that is produced by the combustion process, can escape.

Preferably, the glass cylinder between the container for the fuel and the safety container, which encloses the container for the fuel at a distance, arranged and fixed with fixing means.

In order to prevent rain from entering the flame area, the glass cylinder or the burner or the container for the fuel or the safety container in the Distance to the upper side facing away from the combustion zone side of the glass cylinder, a roof element may be arranged. This roof element consists at least of a disc-like element which covers the opening of the glass cylinder. Advantageously, these are two disc-like elements, which are arranged at a distance from one another. This has the advantage that the outwardly facing element is not exposed to the flame of the burner and therefore does not become hot. Thus, the roof element can be quite touched. Thus, this embodiment is particularly suitable for the public sector, for example in the catering industry.

In order to ensure efficient attachment of the roof element, it is preferably proposed to fasten the roof element on rod-like supports. These rod-like supports are arranged on the one hand on the edge of the containment and on the other side on the roof element. The attachment is preferably provided with magnetic elements.

The operation of the slide is also conceivable via a bar magnet, so that burns on the hand are excluded. In this case, the bar magnet forms a positive connection with a control element connected to the slider and is preferably additionally magnetically fixed. A arranged on the bar magnet mechanical sliding rod causes a repulsion of the bar magnet of the operating element, so that even a simple removal of the bar magnet is possible again.

The use of the containment, which surrounds the actual container for the fuel and thus the burner, leads to a further advantage. The actual burner is received by the containment and has means that keep the burner at a distance from the containment. This avoids that the heat generated by the burning process on the burner, is delivered to the containment. This in turn has the advantage that the burner can be installed with the security container in items such as furniture. In addition, the safety container is dimensioned such that it can take up fuel fluid, which emerges from the burner during accidental abutment.

The inventive burner thus consists of very few components and is characterized by the fact that it has in particular a technically very simple structure and yet brings the appropriate security with it and generates the fire character of a natural fire.

Further advantageous embodiments will become apparent from the following description, the claims and the drawings.

drawings

Show it:

1 a perspective view of the inventive device including the burner and a security container with a glass cylinder in an exploded view;

2 a perspective view of a further embodiment of the inventive device with a cover element;

3 a perspective view of the inventive device according to 2 but opposite 2 in exploded view;

4 a section through the in 2 and 3 illustrated inventive device;

5 a perspective view of a portion of the inventive device according to the 1 and 4 namely, the evaporator device, the nozzle device and the control ring.

Description of the embodiments

In the 1 to 5 are two embodiments of the inventive device 1 shown. The two embodiments differ in that the further embodiment has arranged a cover element. Therefore, in the following description is always on all 1 to 5 With reference to the technical embodiment of both embodiments is identical.

In the 1 to 5 is the device according to the invention 1 shown. It essentially comprises a burner 2 coming from a storage container 3 for receiving a fuel 5 and consists of a device that has a combustion zone 4 provides. The fuel 5 is how in 4 shown inside the storage container 3 arranged and usually has a maximum level 24 on. In the combustion zone 4 a fire arises 25 extending over the entire width of the burner 2 can extend.

The burner 2 exists next to the reservoir 3 from the evaporator device 6 , This is in the mounted state within the reservoir 3 preferably arranged centrally and has on its periphery fuel inlet openings 11 on. These serve to fuel 5 who is inside of the storage container 3 is arranged in the region of the evaporator device 6 respectively.

At the evaporator device 6 closes a nozzle device 21 at. This is dimensioned in its diameter such that it is greater in diameter than the diameter of the evaporator device 6 , Furthermore, the nozzle device 21 inlet openings arranged on its circumference 22 on. The nozzle device 21 and the evaporator device 6 are connected to each other at the front. In addition, the nozzle device 21 not only on the circumference arranged inlet openings, but also front side inlet slots 26 ,

The tax ring 19 is formed such that it in the mounted state, the nozzle device 21 completely surrounds. The tax ring 19 also has inlet openings on its circumference 23 on, in certain positions with the inlet openings 22 the nozzle device can be brought into coverage. The tax ring 19 also has inlet slots on its front 27 the control ring 19 with the inlet slots 26 the nozzle device 21 also coverable.

Furthermore, the control ring 19 a slider 28 on, in a recess 29 on the part of the nozzle device 21 are arranged, engages and there with a control 30 interacts. This causes the control ring 19 in and against the direction of rotation 18 is moved.

The storage tank 3 is from a security container 7 surround. This is dimensioned such that between the reservoir 3 and the security container 7 a gap 31 arises. This gap 31 is sized so that at least a portion of the possibly involuntarily leaking fuel can be picked up from the reservoir. In addition, this gap is used 31 to a glass cylinder 8th take. This glass cylinder 8th is also rotationally symmetrical and is, as for example in 4 shown, exactly in the gap 31 positioned and there via a fixing device 9 on the security container 7 held. Because of that, the glass cylinder 8th in the gap 31 is introduced, arises in the area of the combustion zone 4 the property that only oxygen from above, that is through the one opening of the glass cylinder 8th , entry.

It is also envisaged that the burners 2 from a decoration ring 32 are surrounded. This decoration ring 32 is a design element that can adapt to the environment.

Additionally is a cover 33 provided, that for closing the combustion zone 4 serves. This has a holder 34 which is preferably tangible with a special aid.

The training provides, as in the 2 . 3 and 4 shown that support elements 13 are provided, which is a cover element 14 take up. The cover element 14 consists of a first part 14a and another part 14b , wherein the two parts are arranged at a distance from each other. This will avoid the top part 14b of the cover element 14 it gets so hot that it can not be touched anymore. The support elements 13 are arranged such that a gap 15 is formed, through which, for example, oxygen can enter the combustion zone.

Inside the storage container 3 is, not shown in the drawings, filler provided. This filling material is preferably stainless steel wool and is packed in the entire reservoir in different densities. The filling material extends in particular also above the filling level 24 and is particularly in the area of the nozzle device 21 packed closer. This avoids a flashover in the reservoir due to corresponding ignitions that occur in the region of the inlet openings 3 happens.

functionality

The storage tank 3 will be up to the corresponding in 4 illustrated altitude with fuel 5 filled. The level 24 is so high that it is below the nozzle device 21 is. By the appropriate ignition occurs within the evaporator 6 in the combustion zone a fire 25 , Due to the resulting heat evaporates more and more fuel 5 in the area of the evaporator device 6 , The gaseous fuel also reaches the area of the nozzle device 21 , Also there gaseous fuel passes through the corresponding inlet openings 22 into the combustion zone 4 and ignites in this area. Due to fractal-like ignition in this nozzle area creates a very wild fire 25 , The shape of the fire 25 can by adjusting the control 30 of the slider 28 be done.

The additional provision of a nozzle device 21 in conjunction with a known evaporator device causes additional gaseous fuel through the inlet opening into the combustion zone 4 reach. Due to the heat generated there by the appropriate fire, distributed over the circumference fractal-like, that means random ignitions instead These ignitions are small explosions, the fire in Set movement. Due to the irregular ignition in the scope of the corresponding wild character.

Is that fire 25 delete it completely, it is enough that a cover 33 in the area of the combustion zone 4 on the evaporator device 6 or nozzle device 21 is set.

LIST OF REFERENCE NUMBERS

1

contraption

2

burner

3

reservoir

4

combustion zone

5

fuel

6

evaporator means

7

containment

8th

glass cylinder

9

fixing

10

11

Fuel inlet opening of the evaporator device

12

13

support element

14

cover element

14a

Part of the cover element

14b

another part of the cover element

15

gap

16

17

18

direction of rotation

19

control ring

20

21

nozzle device

22

Inlet opening of the nozzle device

23

Inlet opening of the control ring

24

level

25

Fire

26

Inlet slots of the nozzle device

27

inlet slots

28

pusher

29

recess

30

operating means

31

gap

32

Decoration ring

33

End cover

34

holder

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 10107065 A [0004]
• DE 202008006061 [0004]
• DE 102007038995 [0006]
• DE 102009058933 [0007]

Cited non-patent literature

• DIN standard 4734-1 [0016]

Claims (9)

Apparatus for burning hydrocarbon liquids, in particular ethanol, consisting of a burner ( 2 ), the burner ( 2 ) substantially an evaporator device ( 6 ) comprises a combustion zone ( 4 ) with the fire ( 25 ), characterized in that the evaporator device ( 6 ) additionally a nozzle device ( 21 ), which is at the combustion zone ( 4 ) is arranged facing side and on its periphery inlet slots ( 22 ). Apparatus according to claim 1, characterized in that the nozzle device ( 21 ) is dimensioned larger than the evaporator device ( 6 ). Apparatus according to claim 1 or 2, characterized in that the nozzle device ( 21 ) additionally a nozzle device ( 21 ) comprehensive tax ring ( 19 ), which also has inlet openings ( 23 ) having. Device according to claim 1, characterized in that inside the container ( 3 ) for storing the fuel ( 5 ) Filler material is arranged such that it is outside the evaporator device ( 6 ) is arranged. Apparatus according to claim 4, characterized in that the filling material within the reservoir ( 3 ) has different densities. Apparatus according to claim 4, characterized in that the filler material are stainless steel chips. Device according to at least one of the preceding claims, characterized in that a glass cylinder ( 8th ) is provided, which in the mounted state on the reservoir ( 3 ). Device according to at least one of the preceding claims, characterized in that the container ( 3 ) for storing the fuel ( 5 ) from a security container ( 7 ) is at least partially surrounded. Device according to at least one of the preceding claims, characterized in that the device ( 1 ) a cover element ( 14 ), which consists essentially of one or more support elements ( 13 ), at the free end of which at least two parts ( 14a ) and ( 14b ) of a cover element ( 14 ) are arranged, which are fixed at a distance from each other.

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