CN216953056U

CN216953056U - Steady flame fire lid and combustor

Info

Publication number: CN216953056U
Application number: CN202123360007.9U
Authority: CN
Inventors: 卢宇凡; 麦贵杨; 黄波
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-12
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of burners, and provides a flame stabilizing fire cover, which comprises a main air cavity, a flame stabilizing fire cover body and a flame stabilizing chamber, wherein the main air cavity is arranged in the fire cover body; the main fire hole is arranged on the outer side wall of the fire cover main body and communicated with the main air cavity; the flame stabilizing groove is arranged on the outer side wall of the fire cover main body and is positioned below the main fire hole; the flame stabilizing hole is arranged in the fire cover main body and communicates the flame stabilizing groove with the main gas cavity; and the pressure relief hole is arranged in the fire cover main body and communicates the main fire hole with the flame stabilizing groove. This steady flame fire lid can effectively improve the burning of gas, promotes steady flame effect, and the corresponding flue gas that can effectively reduce because of the burning is insufficient, produce from the circumstances such as flame, improves the efficiency. The utility model also provides a combustor, which comprises the flame stabilizing fire cover, so that the combustion of gas can be effectively improved, the flame stabilizing effect is improved, smoke generated under the conditions of insufficient combustion, flame separation and the like is effectively reduced, and the energy efficiency is improved.

Description

Steady flame fire lid and combustor

Technical Field

The utility model relates to the technical field of combustors, in particular to a fire cover of a combustor.

Background

The fire lid is the gas terminal part of combustors such as gas-cooker, and the fire is covered and is provided with main fire hole usually and supply gas blowout and burning, and to high-power combustor, main fire hole correspondingly need adopt bigger aperture to increase air output, and bigger aperture can make the airflow velocity of the downthehole gas of main fire increase, the burning is insufficient easily appears and from the condition of flame, leads to the flue gas volume to rise, influences the environmental protection and uses and experience, also can reduce the efficiency simultaneously.

At present, a flame stabilizing groove is arranged below a main fire hole of a partial fire cover, the flame stabilizing groove is communicated with an inner cavity of the fire cover through the flame stabilizing hole, and the flame stabilizing groove is used for directly supplying air to burn so as to ignite the main fire hole again when the main fire hole is away from the flame, thereby ensuring the burning effect. The flame holding tank can only be re-ignited when the flame leaving condition occurs, the improvement on the combustion effect is limited, and the use requirement is still difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one of the technical problems in the prior art and provides a flame stabilizing fire cover and a burner, which can improve the flame stabilizing effect, reduce smoke and improve energy efficiency.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a steady flame fire lid, includes the fire lid main part, be provided with in the fire lid main part:

the main air cavity is arranged inside the fire cover main body;

the main fire hole is arranged on the outer side wall of the fire cover main body and communicated with the main air cavity;

the flame stabilizing groove is arranged on the outer side wall of the fire cover main body and is positioned below the main fire hole;

the flame stabilizing hole is arranged in the fire cover main body and is used for communicating the flame stabilizing groove with the main air cavity;

and the pressure relief hole is arranged in the fire cover main body and communicates the main fire hole with the flame stabilizing groove.

Compared with the background technology, the flame stabilizing fire cover provided by the utility model has the beneficial effects that: this flame stabilizing fire lid in use, main gas chamber is used for and fires the gas source intercommunication, main fire hole is direct to be communicated with main gas chamber, can supply the gas to flow out in order to burn, the pressure release hole has been add in the fire lid main part, the pressure release hole is main fire hole and flame stabilizing groove intercommunication, so can let out certain pressure when main fire hole is given vent to anger, can suitably reduce the speed of giving vent to anger of main fire hole, can effectively reduce the burning of main fire hole insufficient and from the flame condition, promote the combustion effect, pressure release hole and flame stabilizing hole can give flame stabilizing groove air feed, and the gas can spread after getting into flame stabilizing inslot and thus reduce the velocity of flow, make flame stabilizing groove can maintain stable burning flame, when main fire hole appears out of flame circumstances such as flame, the flame in flame stabilizing groove can be followed the root and light main fire hole, promote the flame stabilizing effect, therefore, the burning of gas can be effectively improved to this flame stabilizing fire lid, promote the flame stabilizing effect, correspondingly can effectively reduce because of the insufficient, The flue gas that the condition such as flame produced improves the efficiency.

In one embodiment, the hole diameters of the flame stabilizing hole and the pressure relief hole are smaller than the hole diameter of the main fire hole.

In one embodiment, the flame holding hole is communicated with the flame holding groove from the lower side of the flame holding groove, and the pressure relief hole is communicated with the flame holding groove from the upper side of the flame holding groove.

In one embodiment, the flame stabilizing hole and the pressure relief hole are vertical.

In one embodiment, the included angle between the main fire hole and the flame holding groove is greater than or equal to 0 ° and less than 90 °.

In one embodiment, the number of the pressure relief holes is the same as that of the main fire holes, and the pressure relief holes are aligned one by one;

or the number of the pressure relief holes is the same as that of the main fire holes, the pressure relief holes are aligned and communicated one by one, the number of the flame stabilizing holes is less than that of the pressure relief holes, and one of any two adjacent pressure relief holes is aligned with the flame stabilizing holes;

or the number of the pressure relief holes is the same as that of the main fire holes and the pressure relief holes are communicated in a one-to-one correspondence manner, and the pressure relief holes and the flame stabilizing holes are arranged in a staggered manner.

In one embodiment, the pressure relief hole is communicated with the main fire hole from the middle of the main fire hole.

In one embodiment, the flame stabilizing hole and the pressure relief hole are communicated with the flame stabilizing groove from one end, far away from the opening, of the flame stabilizing groove.

In one embodiment, the distance between the main fire hole and the flame stabilizing groove on the outer side wall of the fire cover main body is less than 2.5 mm.

The utility model also provides a burner which comprises the flame stabilizing fire cover.

Compared with the background art, the burner has the beneficial effects that: the burner adopts the flame stabilizing fire cover, so that the gas combustion can be effectively improved, the flame stabilizing effect is improved, the smoke generated due to insufficient combustion, flame separation and the like is effectively reduced, and the energy efficiency is improved.

Drawings

FIG. 1 is a block diagram of a preferred embodiment of a flame holder lid of the present invention;

FIG. 2 is a bottom view of a preferred embodiment of the flame holder lid of the present invention;

FIG. 3 is a cross-sectional view of a preferred embodiment of the flame holder lid of the present invention;

FIG. 4 is a schematic view of the direction of gas flow in use of a preferred embodiment of the flame holder lid of the present invention;

fig. 5 is an exploded view of a burner head portion in a preferred embodiment of the burner of the present invention.

Description of reference numerals: 10. a fire cover main body; 11. a main air cavity; 12. a main fire hole; 13. a flame stabilizing groove; 14. a flame stabilizing hole; 15. a pressure relief vent; 16. a fire transfer groove; 17. a burn-avoidance area; 21. a furnace end; 22. an inner fire cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a preferred embodiment of the flame stabilizing cap of the present invention includes a cap body 10, the cap body 10 is provided with a main air cavity 11, a main fire hole 12, a flame stabilizing groove 13, a flame stabilizing hole 14 and a pressure relief hole 15, the main air cavity 11 is disposed inside the cap body 10, the main fire hole 12 is disposed on an outer side wall of the cap body 10 and communicated with the main air cavity 11, the flame stabilizing groove 13 is disposed on an outer side wall of the cap body 10 and located below the main fire hole 12, the flame stabilizing hole 14 is disposed inside the cap body 10 and communicated the flame stabilizing groove 13 with the main air cavity 11, and the pressure relief hole 15 is disposed inside the cap body 10 and communicated the main fire hole 12 with the flame stabilizing groove 13.

When the flame stabilizing fire cover is used, the main air cavity 11 is communicated with a gas source, the main fire hole 12 is directly communicated with the main air cavity 11 and can be used for gas to flow out for combustion, the pressure relief hole 15 is additionally arranged in the fire cover main body 10 and communicates the main fire hole 12 with the flame stabilizing groove 13 through the pressure relief hole 15, so that certain pressure can be relieved when the main fire hole 12 gives out gas, the gas outlet speed of the main fire hole 12 can be properly reduced, the insufficient combustion and flame leaving conditions of the main fire hole 12 can be effectively reduced, the combustion effect is improved, the pressure relief hole 15 and the flame stabilizing hole 14 can supply gas to the flame stabilizing groove 13, the gas can be diffused after entering the flame stabilizing groove 13 so as to reduce the flow rate, the flame stabilizing groove 13 can maintain stable combustion flame, when the main fire hole 12 leaves flames and the like, the flame of the main fire hole 12 can be ignited from the root to improve the flame stabilizing effect, therefore, the flame stabilizing fire cover can effectively improve the combustion of the gas, the flame stabilizing effect is improved, the smoke generated due to insufficient combustion, flame separation and the like can be correspondingly and effectively reduced, and the energy efficiency is improved.

The shape of the fire cover main body 10 is generally a circular ring, the main fire hole 12 and the flame holding groove 13 are generally disposed on the outer peripheral wall of the fire cover main body 10, of course, in practical applications, the shape of the fire cover main body 10 can also be flexibly adjusted as required, and the positions of the main fire hole 12 and the flame holding groove 13 can also be disposed on other side walls as required, but not limited thereto.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

referring to fig. 1 to 4, in the present embodiment, the aperture of each of the flame stabilizing hole 14 and the pressure releasing hole 15 is smaller than the aperture of the main fire hole 12, so that the air velocity in the flame stabilizing hole 14 and the pressure releasing hole 15 can be reduced, the stability of gas combustion at the flame stabilizing slot 13 is improved, and the flame stabilizing effect is improved.

In this embodiment, steady flame hole 14 communicates from the downside and the steady flame groove 13 of steady flame groove 13, pressure release hole 15 communicates from the upside and the steady flame groove 13 of steady flame groove 13, so help simplifying the structure of fire lid main part 10, the manufacturing of being convenient for, simultaneously, also make the airflow direction of steady flame hole 14 and pressure release hole 15 opposite, can further reduce the air velocity in steady flame groove 13, improve the stability of steady flame groove 13 department gas combustion, thereby improve steady flame effect. In other embodiments, the connection positions of the flame holding holes 14 and the pressure relief holes 15 and the flame holding groove 13 can be flexibly adjusted according to the requirement, for example, but not limited to, the connection positions are connected with the flame holding groove 13 from other side surfaces of the flame holding groove 13 or the bottom surface of the flame holding groove 13.

In this embodiment, steady flame hole 14 and pressure release hole 15 all are vertical, and the manufacturing of being convenient for also can further promote the effect of offsetting of steady flame hole 14 and the 15 air currents in pressure release hole simultaneously, reduce the air velocity in steady flame groove 13, improve steady flame effect. In other embodiments, the flame stabilizing hole 14 and the pressure relief hole 15 may be disposed in other manners such as an inclined manner, but are not limited thereto. The flame stabilizing holes 14 and the pressure relief holes 15 can be arranged in the same number and aligned one by one, or in different numbers and aligned at intervals or staggered one by one, and the technical personnel in the field can flexibly select the flame stabilizing holes and the pressure relief holes according to the needs.

In this embodiment, pressure release hole 15 is from the middle part and the main fire hole 12 intercommunication of main fire hole 12, so play good pressure release effect and can reduce the influence to air current direction and air flow in main fire hole 12, guarantee the combustion effect of main fire hole 12. In other embodiments, the pressure relief hole 15 may also communicate with the main fire hole 12 from other portions of the main fire hole 12, but is not limited thereto.

In this embodiment, the quantity of pressure release hole 15 with the same and the one-to-one alignment intercommunication of quantity of main fire hole 12, the quantity of steady flame hole 14 with the same and the one-to-one alignment of quantity of pressure release hole 15, that is also the equal one-to-one of each main fire hole 12 through pressure release hole 15 with steady flame hole 14 align the intercommunication, can increase the gas volume that gets into in steady flame groove 13 from steady flame hole 14, guarantee the stability of steady flame groove 13 gas combustion, ensure steady flame effect, and when the unexpected weakening of gas pressure or too strong in main fire hole 12, the gas also can directly flow with balanced gas pressure through steady flame hole 14 and pressure release hole 15, improve the stability of main fire hole 12 gas combustion.

In some embodiments (not shown in the drawings), the number of the pressure relief holes 15 may also be the same as the number of the main fire holes 12, and the pressure relief holes 15 are aligned and communicated one by one, and meanwhile, the number of the flame stabilizing holes 14 is smaller than the number of the pressure relief holes 15, and one of any two adjacent pressure relief holes 15 is aligned with one flame stabilizing hole 14, so that the number of the flame stabilizing holes 14 can be reduced, accordingly, the amount of gas entering the flame stabilizing slot 13 from the flame stabilizing holes 14 can be reduced, more gas enters the main fire holes 12 to be combusted for use, the waste of heat can be reduced, and the thermal efficiency can be improved. In some embodiments, the number of the flame stabilizing holes 14 may be half of the number of the pressure relief holes 15, so as to ensure uniformity of gas supply to the flame stabilizing groove 13 and ensure flame stabilizing effect, and in other embodiments, the number relationship and the corresponding manner of the flame stabilizing holes 14 and the pressure relief holes 15 may also be flexibly adjusted as required.

In some embodiments (not shown in the drawings), the pressure relief holes 15 may also be arranged in a staggered manner with the flame stabilizing holes 14, that is, each pressure relief hole 15 is not directly aligned with a flame stabilizing hole 14, which can reduce direct gas circulation and opposite impact between the pressure relief hole 15 and the flame stabilizing hole 14, so that the gas in the main fire hole 12 can stably enter the flame stabilizing slot 13 through the pressure relief hole 15, the gas in the main gas cavity 11 can stably enter the flame stabilizing slot 13 through the flame stabilizing hole 14, the gas flow velocity in the flame stabilizing slot 13 can be reduced, turbulence can be reduced, the stability of flame in the flame stabilizing slot 13 can be ensured, and the flame stabilizing effect can be improved.

The number of the pressure relief holes 15 can be the same as that of the main fire holes 12 and are communicated in a one-to-one correspondence manner; the number of the pressure relief holes 15 is different from that of the main fire holes 12, and communication modes such as interval communication and the like are correspondingly adopted, so that the occupation ratio of the fuel gas for stabilizing the flame can be reduced, the heat efficiency is improved, and the technical personnel in the field can flexibly select the pressure relief holes according to the needs.

In this embodiment, steady flame hole 14 and pressure release hole 15 all keep away from open-ended one end and steady flame groove 13 intercommunication from steady flame groove 13, so steady flame hole 14 and the gas that pressure release hole 15 provided can make full use of steady flame groove 13's the degree of depth and spread in steady flame groove 13, can effectively improve the degree of consistency of gas in steady flame groove 13 and reduce the gas velocity of flow promptly, can promote steady flame effect. In other embodiments, the flame holding hole 14 and the pressure relief hole 15 are communicated with the flame holding groove 13 from other positions such as the middle of the flame holding groove 13, but not limited thereto.

In this embodiment, the distance a between the main fire hole 12 and the flame holding groove 13 is less than 2.5mm on the outer side wall of the fire cover main body 10, so that the ignition of the main fire hole 12 by the flame holding groove 13 can be ensured, and the flame holding effect can be ensured. In this embodiment, main fire hole 12 slope sets up, and its export orientation is oblique top, does benefit to the discharge and the burning of gas, and the general setting mode that has adopted the slope of steady flame groove 13, and its export also is towards oblique top, can do benefit to the discharge and the burning of gas equally, is favorable to promoting steady flame effect. In other embodiments, the inclination angles of the main fire hole 12 and the flame holding groove 13 can also be flexibly adjusted according to needs, the included angle between the main fire hole 12 and the flame holding groove 13 is preferably greater than or equal to 0 ° and less than 90 °, that is, the main fire hole 12 and the flame holding groove 13 are preferably inclined in the same direction or both horizontal, and both can achieve a good flame holding effect, and those skilled in the art can flexibly select and adjust according to needs.

Referring to fig. 1 and 2, in the present embodiment, the fire cover main body 10 is provided with the fire transfer grooves 16, so that flames inside the fire cover main body can be transferred to the main fire holes 12 to ignite the main fire holes 12, thereby facilitating the ignition of the main fire holes 12 and facilitating the use.

Referring to fig. 1, in this embodiment, a plurality of fire-avoiding regions 17 are disposed on the outer side wall of the fire cover main body 10 corresponding to the stove rack, and no main fire hole 12 is disposed in the fire-avoiding region 17, so that in use, no main fire hole 12 is disposed in the fire-avoiding region 17 for combustion, and insufficient combustion caused by flame sheltered from the stove rack can be avoided, thereby effectively reducing smoke and reducing heat waste.

In this embodiment, the main fire hole 12, the flame stabilizing hole 14, and the pressure releasing hole 15 are all circular holes, which is convenient for processing and manufacturing, and in other embodiments, the main fire hole 12, the flame stabilizing hole 14, and the pressure releasing hole 15 may also be any other suitable shape such as a square hole, an elliptical hole, and the like, but are not limited thereto.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The utility model also provides a combustor which comprises the flame stabilizing fire cover, and the combustor can effectively improve the combustion of gas, improve the flame stabilizing effect, effectively reduce smoke generated under the conditions of insufficient combustion, flame separation and the like and improve the energy efficiency due to the adoption of the flame stabilizing fire cover.

Referring to fig. 5, the burner 21 in the preferred embodiment of the burner is a gas cooker, the flame stabilizing cover is used as an outer ring cover of the burner 21, and an inner cover 22 is disposed in the middle of the outer ring cover.

In other embodiments, the burner is not limited to a gas cooker, and may be other burner suitable for use in the flame stabilizing cover of the present invention. In addition, in other embodiments, the present flame stabilizing cap can also be used as other caps such as the inner cap 22 of the burner, but is not limited thereto.

The detailed description of the embodiments above only expresses several embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a steady flame fire lid, its characterized in that includes fire lid main part (10), be provided with on fire lid main part (10):

the main air cavity (11) is arranged inside the fire cover main body (10);

the main fire hole (12) is arranged on the outer side wall of the fire cover main body (10) and communicated with the main air cavity (11);

the flame stabilizing groove (13) is arranged on the outer side wall of the fire cover main body (10) and is positioned below the main fire hole (12);

the flame stabilizing hole (14) is arranged in the fire cover main body (10) and communicates the flame stabilizing groove (13) with the main air cavity (11);

and the pressure relief hole (15) is arranged in the fire cover main body (10) and communicates the main fire hole (12) with the flame stabilizing groove (13).

2. A flame holding cap according to claim 1, wherein the flame holding holes (14) and the pressure relief holes (15) each have a smaller diameter than the main fire hole (12).

3. A flame holding cap as claimed in claim 1, wherein said flame holding holes (14) are communicated with said flame holding groove (13) from the lower side of said flame holding groove (13), and said pressure relief holes (15) are communicated with said flame holding groove (13) from the upper side of said flame holding groove (13).

4. A flame holding cap as claimed in claim 3, wherein the flame holding holes (14) and the pressure relief holes (15) are vertical.

5. A flame holding cap according to claim 1, wherein the angle between the main flame holes (12) and the flame holding grooves (13) is greater than or equal to 0 ° and less than 90 °.

6. A flame holding cap as claimed in claim 1, wherein the number of said pressure relief holes (15) is the same as the number of said main fire holes (12) and they are in one-to-one alignment communication, and the number of said flame holding holes (14) is the same as the number of said pressure relief holes (15) and they are in one-to-one alignment;

or the number of the pressure relief holes (15) is the same as that of the main fire holes (12), the pressure relief holes are aligned and communicated one by one, the number of the flame stabilizing holes (14) is less than that of the pressure relief holes (15), and one of any two adjacent pressure relief holes (15) is aligned with the flame stabilizing holes (14);

or the number of the pressure relief holes (15) is the same as that of the main fire holes (12), the pressure relief holes are communicated with the main fire holes in a one-to-one correspondence manner, and the pressure relief holes (15) and the flame stabilizing holes (14) are arranged in a staggered manner.

7. A flame holding fire cover according to claim 1, wherein the pressure relief hole (15) communicates with the main fire hole (12) from the middle of the main fire hole (12).

8. A flame holding cover according to claim 1, wherein the flame holding hole (14) and the pressure relief hole (15) are both communicated with the flame holding groove (13) from the end of the flame holding groove (13) far away from the opening.

9. A flame holding cap according to claim 1, wherein the main flame holes (12) and flame holding grooves (13) are spaced less than 2.5mm up and down on the outer side wall of the cap body (10).

10. A burner comprising a flame holding cap as claimed in any one of claims 1 to 9.