CN2120524U

CN2120524U - Burner for meat baking stove

Info

Publication number: CN2120524U
Application number: CN 92209739
Authority: CN
Inventors: 洪文照
Original assignee: Baocaisheng International Co L
Current assignee: Baocaisheng International Co L
Priority date: 1992-05-19
Filing date: 1992-05-19
Publication date: 1992-11-04

Abstract

The utility model relates to a burning device for a meat roasting stove. The structure of the burning device for a meat roasting stove is that the interior of a burning body is provided with mixed average sheets which are properly arranged; the peripheral part of the body is integrally formed with a plurality of semicircular trapezoidal holes; accordingly, mixed combustible gas guided into the body can be uniformly distributed in the body, is ejected through a plurality of semicircular trapezoidal holes, and is contacted with sufficient air; accordingly, the perfect combustion can be promoted, and the heat efficiency can be improved; the flame is balanced.

Description

Burner for meat baking stove

The utility model relates to a kind of barbecue grill burner, mainly be to be provided with in body interior to mix average sheet, allowing guiding enter intrinsic mixed combustible gas gas can be uniformly distributed in the body, and obtains balanced flame, can access better practicality effect when making barbecue.

Existing barbecue grill is that one or several burners are set in its body of heater, and settles a fine-structure mesh in the body of heater top, and the flame that utilizes burner to produce is baked the sliced meat on the fine-structure mesh.But existing barbecue grill still has many parts that haves much room for improvement with burner design.

Further analyzed and can find, existing barbecue grill can be divided into elongated, U type and H type with burner according to its shape, and its structure is similar, is that example is illustrated with the elongated burner now.As shown in Figure 1, existing barbecue grill is connected with a mixing tube 12 with burner 10 one below body 11, during use, combustible gas is entered by the nozzle that inlet port 13 is connected, spray speed by combustible gas itself, primary air (primary air) is inhaled into by primary air inlet 14 and mixes in mixing tube 12 with combustible gas, enter the inner space 16 of burner body 11 again by connect apertures 15, mixed combustible gas promptly by being opened in glory hole 17 ejections on the sidewall around the body 11, promptly produces flame after lighting then.Yet, when mixed combustible gas is entered in the inner space 16 of burner body 11 by connect apertures 15, because the pressure of mixed combustible gas is big herein, flow velocity is exceedingly fast, so most combustible gas is by the glory hole 17 ejection burnings of connect apertures 15 proximity, make promptly relative the weakening of pressure of burner body 11 middle distance connect apertures 15 front end far away and rear end combustible gas, cause apart from connecting hole less than the combustible gas that glory hole 17 is at a distance burnt, thereby flame a little less than, form whole the uneven phenomenon of burner flame.The uneven phenomenon of this kind flame, outstanding easily generation in U type and H type burner.

In addition, as shown in Figure 1, above-mentioned body 11 peripheries are gone up the generation type of set glory hole 17, still adopt the mode of boring one by one at present, must add the machined program during manufacturing one, and are very bothersome.And, because of it adopts bore mode, make the shape of glory hole 17 must be circle, and this circular port is not desirable to the greatest extent as yet for the absorption ability of auxiliary air (secondary air), very easily cause the phenomenon (generation carbon monoxide) of combustible gas incomplete combustion, causing the part combustible gas to be arranged in air wastes, and the relative thermal efficiency reduces.Therefore, existing barbecue grill burner obviously still has improved place in addition.

The purpose of this utility model is to provide a kind of and can makes the whole evenly distribution of combustible gas, so that the flame equilibrium that is produced, and can obtain sufficient SAS Secondary Air Supply, with promotion completing combustion, and then the barbecue grill burner of the raising thermal efficiency.

The utility model proposes a kind of like this barbecue grill burner, this burner includes body, on the body diapire, be provided with the mixed combustible gas that supplies combustible gas to mix formation with primary air and enter the connect apertures of usefulness, near this connect apertures, be provided with this body bearing of trend extends in parallel and mix average sheet, be uniformly distributed in this body interior space with the guiding mixed combustible gas, and one-body molded on the peripheral side wall of this body have a plurality of glory holes that are the semicircle trapezoidal shape, so that must be contacted with the capacity auxiliary air by the mixed combustible gas of glory hole ejection.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the three-dimensional cross-sectional schematic of existing elongated barbecue grill with burner;

Fig. 2 A is the three-dimensional cross-sectional schematic of the elongated barbecue grill that proposed of the utility model embodiment one with burner;

Fig. 2 B is for cutting the amplification cross-sectional schematic of expression open along the A-A line of Fig. 2 A;

The U type barbecue grill that Fig. 3 is proposed for the utility model embodiment two three-dimensional cross-sectional schematic of burner;

The H type barbecue grill that Fig. 4 is proposed for the utility model embodiment three three-dimensional cross-sectional schematic of burner;

Fig. 5 is the top cross-sectional view of the H type barbecue grill of the utility model embodiment three with burner;

Fig. 6 uses the use schematic isometric of burner for the elongated barbecue grill that the utility model proposed;

Fig. 7 is U type that the utility model the proposed use schematic isometric with H type barbecue grill usefulness burner.

See also shown in Fig. 2 A, elongated barbecue grill that the utility model embodiment one is proposed is with burner 20, and one-body molded below the body 21 of burner 20 have a mixing tube 22.The front end of this mixing tube 22 is provided with a combustible gas and enters hole 23, and can connect the nozzle (not shown), enters for combustible gas, and this enters near the primary air inlet 24 that also is provided with in hole 23.During use, combustible gas is entered by the nozzle that inlet port 23 is connected, spray speed by combustible gas itself, primary air is to be inhaled into and to be mixed in mixing tube 22 with combustible gas by primary air inlet 24, enter the inner space 26 of burner body 21 again by connect apertures 25, thereafter mixed combustible gas promptly by being opened in glory hole 27 ejections on the sidewall around the body 21, promptly produces flame after lighting.

Improvement part of the present utility model is respectively to be provided with one to mix average sheet 28 mixed combustible gas is entered the limit of body 21 inner spaces 26 by connect apertures 25 on, and each mixes average sheet 28 is that upper wall by body 21 dangles downwards and is parallel to each other each other.This mixes average sheet 28 and extends in parallel to the bearing of trend of body 21, its diapire that highly makes itself and body 21 that dangles forms appropriate gap, and the glory hole 27 relative with it covered (shown in Fig. 2 B), in case mixed combustible gas is directly via near 27 ejections of the glory holes the connect apertures 25.Plant structure by this, the mixed combustible gas that is sprayed into by connect apertures 25 is the inside that is distributed in whole burner 20 equably, thereby each glory hole institute burned flame of whole burner 20 is kept evenly, to overcome the more weak disadvantage of above-mentioned existing burner 10 front and back end flames.

Shown in Fig. 2 A, another improvement part of the present utility model is the shape at glory hole 27 for another example.In the utility model, glory hole 27 is cast out in integrated mode when casting body 21 together, so can exempt existing burner must be drilled with glory hole separately with machinery procedure.Simultaneously, in the utility model glory hole 27 to be shaped as semicircle trapezoidal, wherein, semicircle orifice is on top, the trapezoidal hole of broad then is connected with in the bottom, because trapezoidal width is big than the semicircle diameter, that is it is bigger that its contact area of drawing auxiliary air will have circular glory hole now, so more can make the abundant or completing combustion of combustible gas, the thermal efficiency thereby be able to relative raising, the consumption of combustible gas is more economized, and reason incomplete combustion and wasting not.

The design of the average sheet of above-mentioned mixing also can be applied to U type burner.Be the embodiment two of utility model as shown in Figure 3, U type burner 30 also is being provided with an average sheet 38 of mixing that is positioned on the main body 31 near its connect apertures 35, main body 31 is provided with in addition with two body 31a of branch and the joint angle place of 31b and mixes average sheet 38a and 38b.Thus, the combustible gas that is sprayed into by connect apertures 35 promptly can directly directly not sprayed by the glory hole 37 relative with the combustible gas stream path, and mix average sheet 38a(38b by mixing average sheet 38 with secondary) between breach be led in the inner space of body 31a of branch and 31b, so the very equilibrium of flame that the trapezoidal glory hole 37 of semicircle set on the body peripheral side wall is produced.For the combustible gas of 37 ejections of the glory hole on the opposing sidewalls that makes body 31a of branch and 31b can be lighted smoothly, on the end sidewalls of each body 31a of branch and 31b, offer flame ditch 39, glory hole 37 is obscured under the perimeter flange P with flame ditch 39, and Gu Tuzhong can't clearly see.The design of this kind perimeter flange P makes glory hole 37(27) (referring to Fig. 2 B) flame of locating to generate must be guided upwards and along bead P and spread.

Be the embodiment three that the utility model proposed as shown in Figure 4, wherein the structure of H type burner 40 promptly forms as being merged by two U type burners, so it mixes average sheet 48 and is symmetrical arrangement, can find out the allocation position that wherein mixes average sheet 48 clearly in the top plan view of cooperation Fig. 5, can see the configuration state of its glory hole 47 again thus among the figure, this glory hole 47 is arranged on the flat side of the inside and outside both sides of H type burner, simultaneously also be provided with glory hole 47 in inboard corner, but on the circular arc limit of its end, do not offer glory hole 47, so can make mixed combustible gas send by each glory hole 47 fifty-fifty, and obtain balanced flame.

Shown in Fig. 6,7, the utility model device extremely is fit to use for barbecue grill, mix average sheet owing to be provided with in its body, can make the mixed combustible gas uniform distribution, eliminate the existing unbalanced disadvantage of burner firepower in body interior, simultaneously, the trapezoidal glory hole of the semicircle that its peripheral side wall is provided with makes its area that contacts with auxiliary air of mixed combustible gas more broad, impels burning fully, improve the thermal efficiency, reach more excellent practicality.

Claims

1, a kind of barbecue grill burner, include body, on the body diapire, be provided with the mixed combustible gas that supplies combustible gas to mix formation with primary air and enter the connect apertures of usefulness, it is characterized in that: be provided with near this connect apertures extend in parallel with this body bearing of trend, be uniformly distributed in average sheet of mixing of body interior space with the guiding mixed combustible gas, on the peripheral side wall of this body one-body molded have a plurality of be the semicircle trapezoidal shape so that the glory hole that must contact with the capacity auxiliary air by the mixed combustible gas of this glory hole ejection.