Combustor

Abstract

The utility model relates to a burner which comprises a fire distributing base, a fire cover, a fire distributing cavity and an air supplementing cavity, a fire outlet part is formed at the air outlet end of the fire distributing cavity, an air inlet part used for being connected with a blower device is arranged at the air inlet end of the air supplementing cavity, the air outlet end of the air supplementing cavity comprises a plurality of air outlet holes formed in the fire cover, and the fire outlet part is adjacent to the air outlet holes. And through the arrangement of the air outlet holes, air can be additionally conveyed to the fire outlet part when needed, air supplement can be additionally increased during large-flow output, the waste emission ratio is reduced, and the combustion heat efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas equipment, and particularly relates to a burner. Background Art

[0002] A burner is a device that sprays and mixes fuel and air in a certain way for combustion. Its basic working principle is to mix fuel and oxygen and then ignite them under appropriate conditions to generate high-temperature and high-pressure combustion gas, thereby releasing a large amount of heat energy.

[0003] In the case of existing burners that require large-flow gas transmission, the exhaust gas emissions of the burners are relatively high, the energy-saving effect is not good, and the utilization of energy is relatively poor, and the combustion thermal efficiency is not high.

[0004] Therefore, further improvement is needed. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the above-mentioned existing technologies, and to provide a burner that can additionally increase air supplementation during large-flow output, reduce the waste gas emission ratio, and improve the combustion thermal efficiency.

[0006] The purpose of the utility model is achieved as follows:

[0007] A burner includes a fire distributing base, a fire cap, a fire distributing cavity, and an air supplementing cavity. The air outlet end of the fire distributing cavity forms a fire outlet part, and the air inlet end of the air supplementing cavity is provided with an air inlet part for connecting with a blowing device. The air outlet end of the air supplementing cavity includes a plurality of air outlet holes arranged on the fire cap, and the fire outlet part is arranged adjacent to the air outlet holes.

[0008] As a specific solution, the fire distributing base and the fire cap are connected and cooperated to form the air supplementing cavity and the fire distributing cavity. The air inlet end of the fire distributing cavity is provided with a gas inlet part for connecting with a gas input device. The fire outlet part is arranged between the fire distributing base and the fire cap, and the fire outlet part is in the shape of an annular groove with an upward opening.

[0009] As a specific solution, the air outlet holes are arranged obliquely upward in the direction of approaching the fire outlet part horizontally, and the air outlet holes are circumferentially distributed on the fire cap at a position adjacent to the upper side of the fire outlet part.

[0010] As a specific solution, a separating part is provided on the lower side of the fire cap. The inner and outer sides of the fire distributing base have upper extending edges. The separating part abuts against the inner bottom of the fire distributing base, and the separating part and one of the upper extending edges form the air supplementing cavity. The fire cap abuts against the other upper extending edge so that the separating part and the other upper extending edge form the fire distributing cavity.

[0011] As a specific solution, the cross-sectional width of the fire distributing cavity decreases from bottom to top, and there is a gap between the upper section of the separating part and the upper extending edge to form the fire outlet part.

[0012] As a specific solution, the partition portion includes a guiding inclined surface which is inclined upward from bottom to top towards the side of the air outlet hole.

[0013] As a specific solution, the air intake portion is arranged at the lower side of the air supplement cavity and is in the shape of a concave cavity that is concave downward. The air outlet end of the air intake portion is opened upward and forms an opening equivalent to its vertical cross-section.

[0014] As a specific solution, the gas intake portion is arranged at the lower side of the fire dividing cavity and is in the shape of a concave cavity that is concave downward. The gas outlet end of the gas intake portion is opened upward and forms an opening equivalent to its vertical cross-section.

[0015] As a specific solution, a heat dissipation groove is provided on the side of the burner cap facing away from the air outlet hole. The side of the heat dissipation groove facing away from the air outlet hole is open, and the heat dissipation groove is arranged circumferentially.

[0016] The beneficial effects of the present utility model are as follows:

[0017] By providing the air outlet hole, air can be additionally conveyed towards the fire outlet portion when needed, which can additionally increase air supplement during high-flow output, reduce the waste emission ratio, and improve the combustion thermal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic cross-sectional view of the first embodiment of the present utility model.

[0019] Figure 2 It is a schematic structural view of the first embodiment of the present utility model.

[0020] Figure 3 It is an exploded schematic view of the first embodiment of the present utility model Figure 1 .

[0021] Figure 4 It is an exploded schematic view of the first embodiment of the present utility model Figure 2 .

[0022] Figure 5 It is an enlarged view of part A of the first embodiment of the present utility model.

[0023] Figure 6 It is an enlarged view of part B of the first embodiment of the present utility model.

[0024] Figure 7 It is a schematic structural view of the second embodiment of the present utility model.

[0025] Figure 8 It is an enlarged view of part C of the second embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0027] First Embodiment:

[0028] Refer to Figures 1-6 , this burner includes a fire distributing base 1, a burner cap 2, a fire distributing cavity 12 and an air supplementing cavity 11. The air outlet end of the fire distributing cavity 12 forms a fire outlet part 15. The air inlet end of the air supplementing cavity 11 is provided with an air inlet part 13 for connecting with a blower device. The air outlet end of the air supplementing cavity 11 includes a plurality of air outlet holes 21 arranged on the burner cap 2. The fire outlet part 15 is arranged adjacent to the air outlet holes 21.

[0029] When the fire distributing base 1 is delivering gas at a general flow rate, the blower device can be turned off. At this time, the generated flame is relatively small and no additional air supplement is required for combustion.

[0030] When the fire distributing base 1 needs to deliver gas at a large flow rate, the blower device can be started. Air can be discharged from the air outlet holes 21 through the air supplementing cavity 11, increasing the air content near the fire outlet part 15, thereby improving the combustion efficiency.

[0031] By providing the air outlet holes 21, air can be additionally delivered towards the fire outlet part 15 when needed, enabling additional air supplement during large flow output, reducing the waste emission ratio, and improving the combustion thermal efficiency.

[0032] Furthermore, the fire distributing base 1 and the burner cap 2 are connected and cooperated to form the air supplementing cavity 11 and the fire distributing cavity 12. The gas inlet end of the fire distributing cavity 12 is provided with a gas inlet part 14 for connecting with a gas input device. The fire outlet part 15 is arranged between the fire distributing base 1 and the burner cap 2. The fire outlet part 15 is in the shape of an annular groove with an upward opening. The air supplementing cavity 11 and the fire distributing cavity 12 can be directly formed through the assembly between the fire distributing base 1 and the burner cap 2. The structure is simple. When the fire distributing base 1 is delivering gas at a general flow rate, the fire outlet part 15 forms an annular upward flame.

[0033] Furthermore, the air outlet holes 21 are arranged obliquely upward along the horizontal direction close to the fire outlet part 15. The air outlet holes 21 are circumferentially distributed on the burner cap 2 at positions corresponding to the upper side adjacent to the fire outlet part 15. When the fire distributing base 1 needs to deliver gas at a large flow rate, under the action of the air outlet holes 21, several obliquely upward jetting fire columns can be formed at the position of the fire outlet part 15, enabling the flame to better heat the cookware above.

[0034] Furthermore, a separating part 22 is provided on the lower side of the burner cap 2. The inner and outer sides of the fire distributing base 1 have upper extending edges 16. The separating part 22 abuts against the inner bottom of the fire distributing base 1. The separating part 22 and one of the upper extending edges 16 form the air supplementing cavity 11. The burner cap 2 abuts against the other upper extending edge 16 so that the separating part 22 and the other upper extending edge 16 form the fire distributing cavity 12. The burner cap 2 only needs to be directly installed and connected to the fire distributing base 1 to form the air supplementing cavity 11 and the fire distributing cavity 12, and the overall installation difficulty is relatively small.

[0035] In this embodiment, the partition portion 22 is integrally formed with the burner cap 2. As an equivalent transformation, in other embodiments, the partition portion 22 may also be integrally formed with the flame dividing base 1.

[0036] Furthermore, the cross-sectional width of the flame dividing cavity 12 decreases from bottom to top. There is a gap between the upper section of the partition portion 22 and the upper extension edge 16 to form the flame outlet portion 15, which has an ejecting effect during the upward diffusion of the gas, improving the flow velocity of the gas after entering the flame outlet portion 15.

[0037] Furthermore, the partition portion 22 includes a guiding inclined surface 221, which is inclined from bottom to top towards the side of the air outlet hole 21. The two sides of the guiding inclined surface 221 can respectively guide the air and the gas, enabling the air and the gas to better flow towards the air outlet hole 21 and the flame outlet portion 15 respectively.

[0038] Furthermore, the air intake portion 13 is arranged on the lower side of the air supplementing cavity 11 and is in the shape of a concave cavity that is concave downward. The air outlet end of the air intake portion 13 is opened upward and forms an opening equivalent to its vertical cross-section. After the air enters the air intake portion 13, it can diffuse horizontally along the concave cavity, making the air entering the air supplementing cavity 11 more uniform.

[0039] Furthermore, the gas intake portion 14 is arranged on the lower side of the flame dividing cavity 12 and is in the shape of a concave cavity that is concave downward. The gas outlet end of the gas intake portion 14 is opened upward and forms an opening equivalent to its vertical cross-section. After the gas enters the gas intake portion 14, it can diffuse horizontally along the concave cavity, making the gas entering the flame dividing cavity 12 more uniform.

[0040] Furthermore, on the side of the burner cap 2 facing away from the air outlet hole 21, there is a heat dissipation groove 23. The side of the heat dissipation groove 23 facing away from the air outlet hole 21 is open, and the heat dissipation groove 23 is arranged circumferentially, relatively reducing the speed at which the heat generated by the flame is transferred downward to the lower part of the flame dividing base 1, and increasing the area of contact with the air, improving the overall heat dissipation effect of the flame dividing base 1.

[0041] In this embodiment, the air outlet holes 21 are circumferentially distributed along the inner side wall of the burner cap 2, and the heat dissipation grooves 23 are arranged at the outer side position of the burner cap 2.

[0042] Second Embodiment:

[0043] Refer to Figure 7 、 Figure 8 This embodiment is different from the first embodiment in that: the air outlet holes 21 of this burner are circumferentially distributed along the outer side wall of the burner cap 2, and the heat dissipation grooves 23 are arranged at the inner side position of the burner cap 2.

[0044] For the parts not described herein, they are the same as those in the first embodiment and will not be repeated here.

[0045] The above embodiments are only the preferred solutions of the present invention, and the present invention may also have other implementation solutions. Those skilled in the art can also make equivalent deformations or substitutions without departing from the spirit of the present invention, and these equivalent variations or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A burner, characterized in that: The invention comprises a fire distribution seat (1), a fire cover (2), a fire distribution chamber (12) and an air supply chamber (11); the air outlet end of the fire distribution chamber (12) forms a fire outlet portion (15); the air inlet end of the air supply chamber (11) is provided with an air inlet portion (13) for connecting to an air blowing device; the air outlet end of the air supply chamber (11) comprises a plurality of air outlet holes (21) arranged on the fire cover (2); and the fire outlet portion (15) is arranged adjacent to the air outlet holes (21).

2. The burner according to claim 1, characterized in that: The fire distribution seat (1) and the fire cover (2) are connected and cooperated to form an air supply chamber (11) and a fire distribution chamber (12); a gas inlet portion (14) for connecting to a gas input device is provided at the gas inlet end of the fire distribution chamber (12); the fire outlet portion (15) is arranged between the fire distribution seat (1) and the fire cover (2); and the fire outlet portion (15) is in the shape of an annular groove with an opening facing upward.

3. The burner according to claim 2, characterized in that: The air outlet holes (21) are arranged to be inclined upwards in a direction horizontally close to the fire outlet portion (15), and the air outlet holes (21) are distributed circumferentially at positions on the fire cover (2) corresponding to positions adjacent to the upper side of the fire outlet portion (15).

4. The burner according to claim 2, characterized in that: A partition (22) is provided on the lower side of the fire cover (2), and the inner and outer sides of the fire distribution seat (1) have upper extension edges (16). The partition (22) abuts against the inner bottom of the fire distribution seat (1), and the partition (22) and one of the upper extension edges (16) form an air replenishing cavity (11). The fire cover (2) abuts against the other upper extension edge (16) so that the partition (22) and the other upper extension edge (16) form a fire distribution cavity (12).

5. The burner according to claim 4, characterized in that: The cross-sectional width of the fire-distributing chamber (12) decreases from bottom to top, and there is a distance between the upper section of the partition (22) and the upper extension edge (16), forming a fire outlet (15).

6. The burner according to claim 4, characterized in that: The partition (22) comprises a guide slope (221), and the guide slope (221) is arranged to be inclined from bottom to top in a direction toward one side of the air outlet (21).

7. The burner according to claim 1, characterized in that: The air inlet portion (13) is arranged at the lower side of the air replenishing cavity (11) and is in the shape of a concave cavity; the air outlet end of the air inlet portion (13) is opened upwards and forms an opening equivalent to its vertical cross section.

8. The burner according to claim 2, characterized in that: The gas inlet portion (14) is arranged at the lower side of the fire distribution cavity (12) and is in the shape of a concave cavity; the gas outlet end of the gas inlet portion (14) is opened upwards and forms an opening equivalent to its vertical cross section.

9. The burner according to any one of claims 1 to 7, characterized in that: A heat dissipation groove (23) is provided on the side of the fire cover (2) facing away from the air outlet (21); the side of the heat dissipation groove (23) facing away from the air outlet (21) is in an open shape; and the heat dissipation groove (23) is arranged along the circumferential direction.

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