CN201858641U

CN201858641U - Gas burner

Info

Publication number: CN201858641U
Application number: CN201020558718XU
Authority: CN
Inventors: 胡可嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-09
Filing date: 2010-10-09
Publication date: 2011-06-08
Anticipated expiration: 2020-10-09

Abstract

The utility model discloses a gas burner, which comprises a gas distributor, a gas ejector, a fire cover base and a fire cover in sequence from bottom to top. The gas burner is characterized in that the gas distributor is provided with an outer flame inlet, and the outer flame inlet is communicated with two outer flame outlets through gas flow channels with approximately equal lengths; the gas ejector is arranged on the gas distributor through a support seat and is provided with an ejection chamber and a negative-pressure window capable of absorbing air; the outer fire cover is provided with a plurality of through gas-spraying holes, the gas-spraying holes penetrate through the upper surface of the outer fire cover and are arranged in an annular array shape, and the projections of the axial lines of the gas-spraying holes on the horizontal plane are intersected to form concentric circles of the outer fire cover; and the inner circular sidewall of the outer fire cover is provided with a transitional inclined plane expending towards the upper surface of the outer fire cover, the outer fire cover is also provided with a plurality of through gas-spraying holes, the gas-spraying holes penetrate through the transitional inclined plane of the outer fire cover and are arranged in a circular array shape, and the projections of the axial lines of the gas-spraying holes on the horizontal plane are intersected to form concentric circles of the outer fire cover. The utility model has the advantages that the gas burner has a simple structure and is convenient to install, and the burning efficiency can be effectively improved.

Description

A kind of gas burner

[technical field]

The utility model relates to combustion gas tool field, is specifically related to a kind of gas burner.

[background technology]

Gas-cooker is the kitchen utensils of using always, the burner of existing gas-cooker is preced with air feed by the internally fiery respectively hat of two blast tubes with outer fire, and the diameter of outer fire hat is bigger, use the situation of single passage air feed for outer fire hat, because fire is labeled away from the gaseous-pressure of air inlet one end and the gaseous-pressure of close air inlet one end and is not waited outside, cause flame inhomogeneous easily, yellow flame occurs; The novel outer fire hat of gas-cooker of part has used the plenum system of single air inlet pipe double air vent, be about to an air inlet and be divided into two gas outlets, by two gas channels the fire hat is carried out air feed, can reduce the generation of yellow flame, the gas distributor of this structure, the distance between two gas outlets and the air inlet does not wait, and causes two pressure between the gas outlet unequal, make the flame in the outer fire hat inhomogeneous, also produce the situation of yellow flame; Simultaneously, the structural design of burner fire lid on the market, gas distributor is also reasonable inadequately at present, causes the efficiency of combustion of combustion gas not high, thereby the energy is not effectively utilized.The utility model patent applicant is in order to solve existing technical problem, and having carried out burner design proves by test of many times, improves afterburner and has improved efficiency of combustion greatly.In the time of the utility model patent application, the applicant has also submitted three parts of utility application simultaneously, its title is respectively " a kind of gas distributor ", " the combustion gas injector that is used for gas-cooker ", " a kind of burner fire lid ", the utility model is exactly on the basis of above-mentioned three patent applications, realizes the assembly design of a gas burner.

[utility model content]

The purpose of this utility model is in order to solve the problems of the technologies described above, and proposes a kind of simple in structurely, easy for installation, can effectively improve the gas burner of efficiency of combustion.

For solving the problems of the technologies described above, the utility model adopts following technical proposal:

A kind of gas burner, include gas distributor, combustion gas injector, fiery cover base and Huo Gai from the bottom to top successively, the fire lid is made up of outer fire cover and inner fire cover, it is characterized in that described gas distributor is provided with a flame envelope air inlet, it connects two flame envelope gas outlets by length gas channel about equally, also be provided with an internal flame air inlet on the gas distributor, the internal flame air inlet is connected an internal flame gas outlet by gas channel, on flame envelope gas outlet and the internal flame gas outlet gas nozzle is installed all; Described gas distributor is provided with supporting seat, described combustion gas injector is installed on the gas distributor by supporting seat, the combustion gas injector is provided with respectively and the corresponding flame envelope ejection cavity in flame envelope gas outlet and internal flame gas outlet, internal flame ejection cavity, and described inner fire cover spiral-lock is in internal flame ejection cavity upper end; Also be provided with the negative pressure window that can suck air on the combustion gas injector, the injection direction of the opening direction of negative pressure window and described internal flame ejection cavity, flame envelope ejection cavity is perpendicular; Described fiery cover base bottom is provided with the air inlet of two corresponding flame envelope ejection cavities, and fiery cover base top is provided with circular opening, is provided with the annular flow passage between circular opening and two air inlets; Described outer fire cover bottom is provided with the ring-type air channel, and the ring-type air channel snaps onto on the annular flow passage; Also be provided with on the outer fire cover and penetrate its upper surface, be conducted with the ring-type air channel, the some straight-through fumarole of circular array, the axis of each fumarole intersects the concentric circles that forms outer fire cover in the projection of horizontal plane; The interior ring-side wall of described outer fire cover is provided with the transition inclined-plane that outside fire covers surface spreading, outer fire cover is provided with and penetrates the transition inclined-plane, is conducted with the ring-type air channel, the some straight-through fumarole of rounded array, and the axis of each fumarole intersects the concentric circles that forms outer fire cover in the projection of horizontal plane.

Further design, the described some straight-through fumarole that penetrates the outer fire cover upper surface, its axis extend downwards with horizontal plane and form 60 ° of angles; The described some fumaroles that penetrate the transition inclined-plane, its axis extend downwards with horizontal plane and form 30 ° of angles.

The beneficial effects of the utility model are: therefore the gas channel length between gas distributor two flame envelope gas outlets and the flame envelope air inlet guaranteed that gaseous-pressure divides balancing about equally, avoided having improved efficiency of combustion because of the uneven yellow flame phenomenon that produces of pressure; Aim at the suction of air, the negative pressure window is set on the combustion gas injector, efficiency of combustion is high to be improved; The fumarole design that the fire lid is unique, the fuel gas mixture of ejection can fully burn, and has also improved efficiency of combustion greatly; Each parts ties in, and compact conformation is easy for installation.

[description of drawings]

Below in conjunction with drawings and embodiments the utility model is described in further detail.

Fig. 1 is the utility model assembling schematic diagram one;

Fig. 2 is the utility model assembling schematic diagram two;

Fig. 3 is the perspective view of the utility model gas distributor;

Fig. 4 is the perspective view of the utility model combustion gas injector;

Fig. 5 is the perspective view of the utility model outer fire cover;

Fig. 6 is the structural representation one of the utility model outer fire cover fumarole;

Fig. 7 is the structural representation two of the utility model outer fire cover fumarole;

Fig. 8 is the structural representation three of the utility model outer fire cover fumarole.

[specific embodiment]

Referring to figs. 1 to shown in Figure 8, a kind of gas burner, include gas distributor 1, combustion gas injector 2, fiery cover base 3 and fire lid 4 from the bottom to top successively, fire lid 4 is made up of outer fire cover 401 and inner fire cover 402, gas distributor 1 is provided with a flame envelope air inlet 101, it connects two flame envelope gas outlets 102 by length gas channel about equally, also be provided with an internal flame air inlet 103 on the gas distributor 1, internal flame air inlet 103 is connected an internal flame gas outlet 104 by gas channel, on flame envelope gas outlet 102 and the internal flame gas outlet 104 gas nozzle 5 is installed all; Gas distributor 1 is provided with supporting seat 105, combustion gas injector 2 is installed on the gas distributor 1 by supporting seat 105, combustion gas injector 2 is provided with respectively and flame envelope gas outlet 102 and internal flame gas outlet 104 corresponding flame envelope ejection cavities 201, internal flame ejection cavity 202, and inner fire cover 402 spiral-locks are in internal flame ejection cavity 202 upper ends; Also be provided with the negative pressure window 203 that can suck air on the combustion gas injector 2, the injection direction of the opening direction of negative pressure window 203 and described internal flame ejection cavity 202, flame envelope ejection cavity 201 is perpendicular; Fire cover base 3 bottoms are provided with the air inlet 301 of two corresponding flame envelope ejection cavities 201, and fiery cover base 3 tops are provided with circular opening 302, are provided with annular flow passage 303 between circular opening 302 and two air inlets 301; Outer fire cover 401 bottoms are provided with ring-type air channel 4011, and ring-type air channel 4011 snaps onto on the annular flow passage 303; Also be provided with on the outer fire cover 401 and penetrate its upper surface, be conducted with ring-type air channel 4011, the some straight-through fumarole 4012 of circular array, the axis of each fumarole 4012 intersects the concentric circles that forms outer fire cover 401 in the projection of horizontal plane; The interior ring-side wall of outer fire cover 401 is provided with the transition inclined-plane 4013 that outside fire covers surface spreading, outer fire cover 401 is provided with and penetrates transition inclined-plane 4013, is conducted with ring-type air channel 4011, the some straight-through fumarole 4014 of rounded array, and the axis of each fumarole 4014 intersects the concentric circles that forms outer fire cover 401 in the projection of horizontal plane.

The above-mentioned some straight-through fumarole 4012 that penetrates outer fire cover 401 upper surfaces, its axis extend downwards with horizontal plane and form 60 ° of angles; The above-mentioned some fumaroles 4014 that penetrate transition inclined-plane 4013, its axis extend downwards with horizontal plane and form 30 ° of angles.

During work, the gas distributor that is arranged at burner bottom utilizes gas distribution channel that two segment length equate substantially for outer fire cover provides isobaric symmetrical combustion gas, can make burning more stable.Owing to used the negative pressure window, so can use the drain pan or the kitchen range top of hermetic type, when combustion gas is carried out the first time during premix by gas nozzle, owing to combustion gas sprays the suction effect of penetrating that produces fast from nozzle, can make and produce negative air pressure in the airtight drain pan or the kitchen range top, and make air suck air from the negative pressure window that is arranged on kitchen range top top, guarantee efficiency of combustion.Pre-mixed combustion gas is behind the secondary premix, on specially designed outer fire cover, form be conical outside the flame circle and the interior flame circle of flame circle in the form of a ring, conical outer flame circle can allow heat concentrate on the bottom of pot, and the efficient heating that the flame circle can be concentrated the bottom of a pan in the ring-type, not only improved gas furnace stability, and energy-efficient.

Above embodiment only is a most preferred embodiment of the present utility model; any other adopts essentially identical means; realize essentially identical function; reach essentially identical effect, and the feature that need not just can associate by creative work for those skilled in the art should be included within the protection domain of the present utility model also.

Claims

1. gas burner, include gas distributor (1) from the bottom to top successively, combustion gas injector (2), fire cover base (3) and fire lid (4), fire lid (4) is made up of outer fire cover (401) and inner fire cover (402), it is characterized in that described gas distributor (1) is provided with a flame envelope air inlet (101), it connects two flame envelope gas outlets (102) by length gas channel about equally, also be provided with an internal flame air inlet (103) on the gas distributor (1), internal flame air inlet (103) is connected an internal flame gas outlet (104) by gas channel, on flame envelope gas outlet (102) and internal flame gas outlet (104) gas nozzle (5) is installed all; Described gas distributor (1) is provided with supporting seat (105), described combustion gas injector (2) is installed on the gas distributor (1) by supporting seat (105), combustion gas injector (2) is provided with respectively and flame envelope gas outlet (102) and internal flame gas outlet (104) corresponding flame envelope ejection cavities (201), internal flame ejection cavity (202), and described inner fire cover (402) spiral-lock is in internal flame ejection cavity (202) upper end; Also be provided with the negative pressure window (203) that can suck air on the combustion gas injector (2), the injection direction of the opening direction of negative pressure window (203) and described internal flame ejection cavity (202), flame envelope ejection cavity (201) is perpendicular; Described fiery cover base (3) bottom is provided with the air inlet (301) of two corresponding flame envelope ejection cavities (201), and fiery cover base (3) top is provided with circular opening (302), is provided with annular flow passage (303) between circular opening (302) and two air inlets (301); Described outer fire cover (401) bottom is provided with ring-type air channel (4011), and ring-type air channel (4011) snaps onto on the annular flow passage (303); Also be provided with on the outer fire cover (401) and penetrate its upper surface, be conducted with ring-type air channel (4011), the some straight-through fumarole (4012) of circular array, the axis of each fumarole (4012) intersects the concentric circles that forms outer fire cover (401) in the projection of horizontal plane; The interior ring-side wall of described outer fire cover (401) is provided with the transition inclined-plane (4013) that outside fire covers surface spreading, outer fire cover (401) is provided with and penetrates transition inclined-plane (4013), is conducted with ring-type air channel (4011), the some straight-through fumarole (4014) of rounded array, and the axis of each fumarole (4014) intersects the concentric circles that forms outer fire cover (401) in the projection of horizontal plane.

2. a kind of gas burner according to claim 1 is characterized in that the described some straight-through fumarole (4012) that penetrates outer fire cover (401) upper surface, and its axis extends downwards with horizontal plane and forms 60 ° of angles; The described some fumaroles (4014) that penetrate transition inclined-plane (4013), its axis extend downwards with horizontal plane and form 30 ° of angles.