A kind of burner that improves air ejection
Technical field
The utility model relates to a kind of household gas burner.
Background technology
Currently available technology, a kind of household gas burner, comprises burner, distributor seat, interior ring fire cover, external ring fire cover, ignition electrode and thermocouple, burner comprises body, interior induction tunnel and outer induction tunnel, has interior escape pipe and outer shroud outgassing groove on body; On described distributor seat, there are interior ring fire cover, external ring fire cover and radial second airport; Inner and outer rings fire cover coordinates with inner seat and outer ring seat respectively.Existing problems are: combustion gas and air mix uneven, burn insufficient.
Utility model content
The purpose of this utility model is: a kind of burner that improves air ejection is provided, and it has combustion gas and air mixes, the feature of air abundance, and air and fuel gas mixture speed fast.
The utility model is achieved in that a kind of burner that improves air ejection, comprise burner, distributor seat, interior ring fire cover, external ring fire cover, ignition electrode and thermocouple, burner comprises body, interior induction tunnel and outer induction tunnel, has interior escape pipe and outer shroud outgassing groove on body; On described distributor seat, there are interior ring fire cover, external ring fire cover and radial second airport; Inner and outer rings fire cover coordinates with inner seat and outer ring seat respectively; Its special character is: the mounting, intake interface, nozzle and the supercharging mixer element that also comprise the inlet end that is arranged on described inside and outside induction tunnel;
Described mounting comprises pedestal, be arranged on the bearing of pedestal one end and be arranged on the interface of the pedestal other end; On described bearing, have large internal thread hole and little internal thread hole, little internal thread hole is relative with interface; The diameter of large internal thread hole is greater than the diameter of little internal thread hole;
Described intake interface screws togather with large internal thread hole, and nozzle and little internal thread hole screw togather; Supercharging mixer element is arranged in interface, in the space of one end between interface and bearing, the other end is positioned at induction tunnel and outer induction tunnel; Interface and interior induction tunnel and outer induction tunnel are pegged graft.
Described a kind of burner that improves air ejection, its special character is: described nozzle is distributed with truncated cone contraction section, tubular compression section and tubular diffuser successively to outlet side by inlet end;
Described supercharging mixer element comprises that truncated cone shrinks mixing section and truncated cone diffuser;
The tubular diffuser of nozzle is relative with the truncated cone of supercharging hydrid component contraction mixing section.
Described a kind of burner that improves air ejection, its special character is: the base portion of described interface has annular slot;
The end of described inside and outside induction tunnel embeds in annular slot.
Described a kind of burner that improves air ejection, its special character is: between the inner seat of described distributor seat and outer ring seat, have annular cavity, the distributor seat of radial second airport through adjacent two axial gas ports communicates with annular cavity; Described ignition electrode stretches in annular cavity through the body of burner and the base plate of annular cavity.
Described a kind of burner that improves air ejection, its special character is: the axis of burner port on the circumferential wall of described interior distributor and the crossing point of axes of interior ring fire cover are positioned at the below of place, burner port outlet side plane; Fire conduction plate is radially arranged at the top of described interior ring fire cover, and fire conduction plate is positioned at the top of ignition electrode;
The intersection point of the axis of the axis of the outer burner port on the external annulus of described external ring fire cover and outer fire seperating device is positioned at the below of place, outer burner port outlet side plane;
On the top board of described external ring fire cover, have fire tank, described fire tank is crossing with an outer burner port; Fire tank and fire conduction plate are point-blank.
A kind of burner that improves air ejection of the utility model, owing to adopting such structure, combustion gas enters supercharging after nozzle, then at a high speed ejection, the combustion gas of ejection and together entering in supercharging hydrid component with air at a high speed, in supercharging hydrid component, shrinking supercharging mixes, then discharge and promote combustion gas and air further to mix, then enter fast in inner seat, outer ring seat, for interior distributor and the burning of outer fire seperating device.From reaching energy-conservation, reduce the effect of toxic emission.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is cutaway view of the present utility model.
Fig. 3 is A-A view of Fig. 2.
Fig. 4 is office of the present utility model three-dimensional exploded view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of burner that improves air ejection, comprise burner 1, distributor seat 2, interior ring fire cover 3, external ring fire cover 4, ignition electrode 5 and thermocouple 10, burner 1 comprises body 11, interior induction tunnel 12 and outer induction tunnel 13, has interior escape pipe 111 and outer shroud outgassing groove 112 on body 11; On described distributor seat 2, have inner seat 21, outer ring seat 22, radial second airport 23 and axial gas port 24, radial second airport 23 is on the distributor seat 2 between adjacent two axial gas ports 24; Inside and outside distributor 3,4 coordinates with inner seat 21 and outer ring seat 22 respectively.
Also comprise mounting 6, intake interface 7, nozzle 8 and the supercharging mixer element 9 of the inlet end that is arranged on described inside and outside induction tunnel 12,13;
Described mounting 6 comprises pedestal 61, be arranged on the bearing 62 of pedestal 61 one end and be arranged on the interface 63 of the pedestal other end; On described bearing 62, have large internal thread hole 621 and little internal thread hole 622, little internal thread hole 622 is relative with interface 63; The diameter of large internal thread hole 621 is greater than the diameter of little internal thread hole 622;
Described intake interface 7 screws togather with large internal thread hole 621, and nozzle 8 screws togather with little internal thread hole 622; Supercharging mixer element 9 is arranged in interface 63, in the space of one end between interface 63 and bearing 62, the other end is positioned at induction tunnel 12 and outer induction tunnel 13; Interface 63 is pegged graft with interior induction tunnel 12 and outer induction tunnel 13.The axis of nozzle 8 and supercharging hydrid component 9 point-blank.
Described nozzle 8 is distributed with truncated cone contraction section 81, tubular compression section 82 and tubular diffuser 83 successively to outlet side by inlet end;
Described supercharging mixer element 9 comprises that truncated cone shrinks mixing section 91 and truncated cone diffuser 92;
The tubular diffuser 81 of nozzle 8 is relative with the truncated cone of supercharging hydrid component 9 contraction mixing section 91.
The base portion of described interface 63 has annular slot 631;
The end of described inside and outside induction tunnel 12,13 embeds in annular slot 631.
As further improvement: have annular cavity 25 between the inner seat 21 of described distributor seat 2 and outer ring seat 22, the distributor seat of radial second airport 23 through adjacent two axial gas ports 24 communicates with annular cavity 25; Described ignition electrode 5 stretches in annular cavity 25 through the body of burner 1 and the base plate of annular cavity 25.Described thermocouple 10 stretches in annular cavity 25 through the body of burner 1 and the base plate of annular cavity 25.
The axis of the burner port 31 on the circumferential wall of described interior distributor 3 and the crossing point of axes of interior distributor 3 are positioned at the below of burner port 31 place, outlet side planes; As shown in Figure 1, fire conduction plate 32 is radially arranged at the top of described interior distributor 3, and fire conduction plate 32 is positioned at the top of ignition electrode 5;
The intersection point of the axis of the outer burner port 41 on the external annulus of described outer fire seperating device 4 and the axis of outer fire seperating device 4 is positioned at the below of outer burner port 41 place, outlet side planes;
On the top board of described outer fire seperating device 4, have fire tank 42, described fire tank 42 is crossing with an outer burner port 41; Fire tank 42 and fire conduction plate 32 are point-blank.
Above-described is only preferential embodiment of the present utility model.It should be pointed out that for the person of ordinary skill of the art, in the situation that not departing from the utility model principle, can also make some improvement and modification, this is also considered as protection domain of the present utility model.