1. An upper intake burner, comprising: the stove comprises a stove head, a stove main body, an outer ring fire cover and a central fire cover; the furnace main body is provided with an injection pipe and a combustion gas supply channel; the gas outlet of the combustion gas supply channel deviates from the center of the furnace main body;

the bell mouth injection tube is internally provided with a bell mouth injection tube which is provided with an injection cavity gradually enlarging outwards, and the injection cavity is aligned with the gas nozzle; the gas outlet is positioned in the central fire cover cavity, and the central fire cover covers the central fire cover cavity so that the gas outlet is communicated with the central fire cover cavity, so that gas enters from the gas outlet and is blocked by the central fire cover to be uniformly dispersed to the central fire cover cavity.

2. The upper intake burner of claim 1, wherein: the furnace end is equipped with a plurality of supporting legss and does furnace main part adaptation provides a plurality of spliced poles.

3. The upper intake burner of claim 2, wherein: a plurality of heat dissipation rib groups and an injection pipe placing cavity are formed on the surface of the injection pipe on the outer ring of the bottom of the furnace main body.

4. The upper intake burner of claim 3, wherein: the furnace main body comprises an outer distributor and an inner distributor assembled in the outer distributor, and the outer distributor and the inner distributor are detachable and split structures; the inner fire distributor forms a central fire cover cavity and is positioned in a middle channel, and an anti-dry burning safety device is arranged in the middle channel.

5. The upper intake burner of claim 4, wherein: an upper air inlet channel is arranged between the furnace end and the furnace main body, so that air is supplied to air and oxygen during combustion, and the combustion is more sufficient.

6. The upper intake burner of claim 5, wherein: the outer fire distributor forms a first wall and a second wall, and an outer fuel gas channel is formed between the first wall and the second wall; the outer ring fire cover forms a clamping wall embedded in the first wall and the second wall.

7. The upper intake burner of claim 6, wherein: the dry burning prevention safety device comprises a probe part and a dry burning prevention support.

Background

According to market research and patent retrieval, the center of the existing furnace end is used as a gas outlet, so that gas is not uniformly dispersed, the gas-air mixing time is short, and insufficient combustion is caused due to insufficient mixing uniformity; and the temperature of the injection pipe is high, so that the resistance of hot gas is high, the gas supply is not smooth, the safety is reduced, and the manufacturing cost is high. The central injection pipe vertically injects upwards, and due to the structural limitation that the injection pipe is short, the gas and air are not sufficiently mixed, and incomplete combustion is easily caused; the outer ring injection pipe is easy to receive heat, so that the temperature of a mixture of air and fuel gas in the injection pipe is high, tempering is easy to cause, and an anti-dry heating probe cannot be installed. Comprehensive crossover optimization is carried out on the structure of the upper air inlet burner, and the upper air inlet burner is developed.

Disclosure of Invention

The invention aims to solve the technical problem of providing an upper air inlet burner, wherein a heat dissipation strip is additionally arranged on an outer ring injection pipe, a central injection air outlet is offset, the central injection pipe is horizontally arranged, the combustion is more sufficient, the flame is stable, the heat efficiency of the combustion is effectively improved, the structural space arrangement is reasonable, the safety and the reliability are realized, the hot air resistance is effectively reduced, the air supply combustion is smoother, and the like.

In order to achieve the above object, the present invention adopts a technical solution of providing an upper intake burner, comprising: the stove comprises a stove head, a stove main body, an outer ring fire cover and a central fire cover; the furnace main body is provided with an injection pipe and a combustion gas supply channel; the gas outlet of the combustion gas supply channel deviates from the center of the furnace main body;

the bell mouth injection tube is internally provided with a bell mouth injection tube which is provided with an injection cavity gradually enlarging outwards, and the injection cavity is aligned with the gas nozzle; the gas outlet is located central fire lid intracavity, central fire lid in central fire lid chamber, the gas outlet communicate with each other in central fire lid chamber to make the gas get into from the gas outlet and receive central fire lid to block the homodisperse to central fire lid chamber.

In one or more embodiments of the present invention, the burner is provided with a plurality of support legs and a plurality of connection posts for adapting the burner body.

In one or more embodiments of the present invention, a plurality of heat dissipation rib groups and an injection pipe placing cavity are formed on the surface of the injection pipe on the outer ring of the bottom of the furnace main body.

In one or more embodiments of the present invention, the furnace body includes an outer fire distributor and an inner fire distributor assembled in the outer fire distributor, the outer fire distributor and the inner fire distributor are detachable and separated structures, the inner fire distributor forms a central fire cover cavity and is positioned in a middle channel, and an anti-dry burning safety device is arranged in the middle channel.

In one or more embodiments of the present invention, an upper air inlet channel is provided between the burner and the furnace body, so that air is supplied to supply oxygen during combustion, thereby enabling more sufficient combustion.

In one or more embodiments of the invention, the outer distributor forms a first wall and a second wall, between which an outer gas channel is formed; the outer ring fire cover forms a clamping wall embedded in the first wall and the second wall.

In one or more embodiments of the present invention, the anti-dry heating safety device includes a probe portion and an anti-dry heating bracket.

Compared with the background technology, the invention has the following effects:

because the invention adopts the scheme, the horizontal arrangement of the injection pipe increases the length of the injection pipe and improves the injection performance, the surface of the outer ring injection pipe is additionally provided with the heat dissipation strip, the central injection air outlet is offset, the central injection pipe is horizontally arranged, the combustion is more sufficient, the flame is stable, the thermal efficiency of the combustion is effectively improved, and the structural space arrangement is reasonable, safe and reliable; therefore, the device has excellent technical, practical and economic performance.

Drawings

FIG. 1 is a schematic view of the upper intake burner arrangement in one embodiment of the present invention;

FIG. 2 is a schematic view of an expanded configuration of the upper intake burner in one embodiment of the present invention;

FIG. 3 is a schematic view of an expanded configuration of the upper intake burner from another perspective in accordance with an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of an upper intake burner according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the furnace body in the upper intake burner according to an embodiment of the present invention;

FIG. 6 is a schematic view of the furnace body in an alternative perspective of the upper inlet burner of an embodiment of the present invention;

those skilled in the art can appreciate that the shapes, configurations and arrangements of the various elements shown in the figures are not necessarily to scale, and that the dimensions of the various elements and components of the figures may be exaggerated or minimized to more clearly illustrate the embodiments of the present invention described herein.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

The orientations shown in the drawings are not to be considered limiting to the specific scope of the present invention, but are for reference only to a preferred embodiment, and positional changes or addition of numbers or structural simplifications may be made with respect to the product parts shown in the drawings.

The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; the connecting elements can be directly connected or connected through an intermediate medium, and persons skilled in the art can understand the connecting relation according to specific conditions, and can use the connecting elements in a screwed connection or riveting connection or welding connection or clamping connection or embedding connection mode to replace different embodiments in a proper mode.

The terms of orientation such as up, down, left, right, top, bottom, and the like in the description and the orientation shown in the drawings, may be used for direct contact or contact with each other through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy. The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific embodiment of the invention with the accompanying drawings of the specification.

1-6, however, those skilled in the art will readily appreciate that the detailed description given herein with respect to these figures is for explanatory purposes only and should not be construed as limiting, as the present invention provides a preferred embodiment which is an upper intake burner comprising: the stove comprises a stove head 1, a stove body 2, an outer ring fire cover 3 and a central fire cover 4; the furnace main body 2 is provided with an injection pipe 21 and a combustion gas supply channel 22; the gas outlet 221 of the combustion gas supply channel 22 deviates from the center of the furnace main body, and the injection pipe 21 is horizontally arranged, so that the length of the injection pipe is increased, and the injection performance is improved.

The bell-mouth injection tube 211 is arranged in the injection tube 21, the bell-mouth injection tube 211 is provided with an injection cavity which is gradually enlarged outwards, and the injection cavity is aligned with the gas nozzle 5; the gas outlet 221 is located in the central fire cover cavity 23, the central fire cover 4 covers the central fire cover cavity 23, and the gas outlet 211 is communicated with the central fire cover cavity 23, so that gas enters from the gas outlet 221 and is blocked by the central fire cover 4 to be uniformly dispersed to the central fire cover cavity 23.

The burner 1 is provided with a plurality of supporting feet 11 and a plurality of connecting columns 12 for the adaptation of the burner body 2. A plurality of radiating rib groups 24 and injection pipe placing cavities 25 are formed on the surface of the outer ring injection pipe at the bottom of the furnace body 2, and the radiating rib groups 24 are distributed on the two outer ring injection pipes and used for radiating heat of the injection pipes.

The furnace main body 2 comprises an outer distributor 26 and an inner distributor 27 assembled in the outer distributor 26, and the outer distributor 26 and the inner distributor 27 are detachable and split structures. The inner flame arrester 27 forms a central cap chamber 23 and is located in a central channel 28, the central channel 28 having the dry-fire protection safety device 6 built-in. The dry burning prevention safety device comprises a probe part 61 and a dry burning prevention support 62. An upper air inlet channel is arranged between the furnace end 1 and the furnace main body 2, so that air is conveniently fed into the furnace for oxygen supply during combustion, and the combustion is more sufficient. One side of the furnace main body 2 is connected with a rear cover 7.

Said outer distributor 26 forming a first wall 261 and a second wall 262 between which an outer gas channel is formed; the outer ring fire cover 3 forms a clamping wall 31 embedded in the first wall and the second wall.

In combination with the above description and with reference to all of the figures, the following usage is described:

during combustion, gas is sprayed into the injection pipe 21, the bell-mouth injection cylinder 211 is provided with an injection cavity which is gradually enlarged outwards, the injection cavity is aligned with the gas nozzle 5, air enters and is mixed under the action of negative pressure of the injection cavity, the gas outlet 221 of the combustion gas supply channel 22 is offset from the central furnace main body, so that the gas is mixed more uniformly after secondary turning impact is carried out on the gas through the combustion gas supply channel 22, the injection pipe is horizontally arranged, the length of the injection pipe is increased, the injection performance is improved, the heat dissipation strip is added on the outer ring injection pipe, the gas outlet is offset from the central injection gas outlet, the combustion is more sufficient, the flame is stable, the thermal efficiency of the combustion is effectively improved, the structural space arrangement is reasonable, the safety and the reliability are realized, the hot gas resistance is effectively reduced, the gas supply and the combustion are smoother, and the like; therefore, the device has excellent technical, practical and economic performance.

The foregoing description, for purposes of explanation, used specific nomenclature to provide a thorough understanding of the embodiments. However, it will be apparent to one skilled in the art that the specific details are not required in order to practice the embodiments. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are possible within the scope of the present invention, which is defined by the claims.