CN200972125Y

CN200972125Y - Baking stover burner capable of preventing flashback

Info

Publication number: CN200972125Y
Application number: CN 200620149932
Authority: CN
Inventors: 颜嘉喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-09
Filing date: 2006-11-09
Publication date: 2007-11-07
Anticipated expiration: 2016-11-09

Abstract

The utility model relates to a barbecue furnace burner which can prevent backfire, and comprised a furnace body and an air feed pipe fixed on the furnace body. The furnace body has a periclinal wall and two clapboards connected with the periclinal wall, the clapboard separates the space into a cavity chamber and two guide air pipes arranged at the two sides of the cavity chamber, the two lateral wall panels are respectively provided with a plurality of fire holes interval arranged along the long direction, one of the shoulder of the clapboard is provide with punches intervally arranged along the long direction, the set direction of the fire hole and the set direction of the fire holes are staggered. When the flameout happens, the external comburant oxygen cannot directly go into the inside of the cavity chamber due to being hold up, and can prevent the inside of the cavity chamber from generating backfire deflagration.

Description

Can prevent the oven burner of back-fire

[technical field]

The utility model relates to a kind of barbecue apparatus, particularly relates to a kind of oven burner that prevents back-fire.

[background technology]

As shown in Figures 1 and 2, existing a kind of oven burner made from forging type includes a burner body 1 and a snorkel 2 that is extended outwardly by this burner body 1 side.This burner body 1 has a shell wall 102 that can define an appearance air chamber 101, and this shell wall 102 has sidewall paneling 105 and two front sheets 106 that are attached at 105 of described sidewall panelings that a base wall panel 103, one and this base wall panel 103 opposing top plates 104, two are engaged on 103,104 at this end, top walls panels, described sidewall paneling 105 have most each by holding fire output holes 107 that air chamber 101 runs through towards the outside.This snorkel 2 is that one is attached on this base wall panel 103, and has a channel 201 of supplying gas that is communicated to this appearance air chamber 101.

To be sent to the appearance air chamber 101 of this burner body 1 via the channel 201 of supplying gas of this snorkel 2 inner and during by fire output hole 107 ejections when combustion gas, just can produce flame.

Though utilize this burner can reach the oven application target, but have following disappearance:

One, when flame-out, hold in the air chamber 101 still having combustion gas, and combustion gas is under no back pressure effect, the speed of being scurried into from fire output hole 107 by burner body 1 outside towards the mobile speed of fire output hole 107 and combustion-supporting oxygen is suitable, can produce the back-fire phenomenon thus, and in the inner generation of burner detonation.

Two, this burner body 1 and snorkel 2 are to make with forging type, and are to do sand core with resin, and when with pouring metal melt to a mould inside, resin will be melted, and this manufacture comparatively bothers, cost is higher, and and do not meet the demand of environmental protection.

Three, burner body 1 and snorkel 2 are cast the thick embryo of finishing also needs to the burr do grinding between the infiltration die joint, to this burner body 1 surface grinding, and need be drilled with described fire output hole 107, and process is many, cost is also higher.

[utility model content]

The purpose of this utility model is can prevent that when flame-out combustion-supporting oxygen from scurrying into the burner body interior and avoiding the oven burner of the prevented back-fire of deflagration phenomenon providing a kind of.

The utility model can prevent the oven burner of back-fire, comprises a burner body and a snorkel that is fixed on this burner body.This burner body has the perisporium and two dividing plates that link this perisporium and this space is separated out an appearance air chamber and two airtubes that define a space, this perisporium has a base wall panel, a top walls panels that is provided with at interval with this base wall panel, two are oppositely arranged and are attached at intermarginal sidewall paneling and two front sheets that are attached between described sidewall paneling of this base wall panel periphery and this top walls panels week along a length direction, described sidewall paneling respectively has a plurality of fire output holes that are provided with at interval along length direction, described dividing plate respectively has a bottom that is attached on this base wall panel, one is attached at top ends on this top walls panels and one and is connected in this end, shoulder between top ends, described shoulder is provided with a plurality of perforation that are provided with at interval along length direction, described perforation direction is set and described fire output hole is the shape that staggers, described airtube position holds the both sides of air chamber at this.This snorkel is to be fixed on this base wall panel, and has a channel of supplying gas that is communicated to this appearance air chamber.

The beneficial effects of the utility model are: the effect that utilizes the setting of described dividing plate and fire output hole and perforation to stagger and be provided with, when flame-out, outside combustion-supporting oxygen is subjected to stopping can't directly scurry into this appearance air chamber inside, can prevent from holding the detonation of the inner generation of air chamber back-fire.

[description of drawings]

Fig. 1 is the partial cutaway schematic of existing a kind of oven burner;

Fig. 2 is the cross-sectional schematic of being got along the straight line 2-2 among Fig. 1;

Fig. 3 is the forward sight constitutional diagram of a preferred embodiment of the utility model;

Fig. 4 is the cross-sectional schematic of being got along the straight line 4-4 among Fig. 3;

Fig. 5 is the cross-sectional schematic of being got along the straight line 5-5 among Fig. 4.

[specific embodiment]

Below in conjunction with drawings and Examples the utility model is elaborated:

As Fig. 3, Fig. 4 and shown in Figure 5, the utility model can prevent the oven burner of back-fire, comprises a burner body 10 and a snorkel 20 that is fixed on this burner body 10.

This burner body 10 has that a drain pan spare that forms with the metallic plate punching out 11, one are fixed in this drain pan spare 11 tops in the rolling mode and also is the dividing plate 13 that the top shell spare 12 that forms with the metallic plate punching out and two are attached at 11,12 at this end, top shell spare.This drain pan spare 11 constitutes a perisporium and can define a space 14 with this top shell spare 12.This drain pan spare 11 has that a base wall panel 111, two are oppositely arranged and is attached at sidewall paneling 112 and two front sheets 113 that are attached at 112 of described sidewall panelings of these base wall panel 111 peripheries along a length direction, and described sidewall paneling 112 respectively has a plurality of fire output holes 114 that are provided with at interval along length direction.This top shell spare 12 has the top walls panels 121 and two downward by these top walls panels 121 lateral margins along length direction and bend inwards and the form lip limits 122 that are provided with at interval with this base wall panel 111, and described lip limit 122 is to be coated and fixed on the top of described sidewall paneling 112 and front sheet 113.Described dividing plate 13 is separated out an appearance air chamber 141 and two positions airtube 142 in these appearance air chamber 141 both sides with this space 14, and respectively has a bottom 131 that is attached on this base wall panel 111, a top ends 132 that levels off to this top walls panels 121, one was connected in this end, top ends 131,132 shoulder 133 and one are connected top ends 132 1 sides and clipping on this lip limit 122 and sidewall paneling 112, location division 134 between front sheet 113 tops, described top ends 132 is the parallel throw setting with bottom 131, shoulder 133 and top, bottom 132,131 are vertical linking, and be provided with a plurality of perforation 135 that are provided with at interval along length direction, fire output hole 114 the position is set corresponding to top ends 132, and described perforation 135 direction is set, the position is set and described fire output hole 114 is the shape that staggers.

This snorkel 20 is to be fixed on this base wall panel 111 in the rolling mode, and has a channel 21 of supplying gas that is communicated to this appearance air chamber 141.

Under this oven burner is burning the state that uses, combustion gas is guided in the appearance air chamber 141 of this burner body 10 along the channel 21 of supplying gas of this snorkel 20, and continue to pass perforation 135 and airtube 142, can and produce flame (shown in Fig. 5 arrow) by fire output hole 114 ejection at last, and reach combustion purpose.

When flame-out, though this burner inside still has combustion gas, and combustion gas does not have the back pressure effect yet, but combustion-supporting oxygen desires by this combustor external when fire output hole 114 is scurried into, and can be subjected to the stopping of top ends 132 of dividing plate 13, and slow down the speed of channelling, and also only can flow in the airtube 142 at the most, therefore, even the back-fire phenomenon is arranged, also only meeting produces burning in the airtube 142 with a small amount of combustion gas, can guarantee can not enter to hold in the air chamber 141 to produce deflagration phenomenon.

Therefore, oven burner of the present utility model not only can solve the problem of detonation, and this burner body 10 and this snorkel 20 are respectively with the metallic plate punching press, make so that the rolling mode is affixed, processing, easy to manufacture, do not have yet and do sand core and produce the problem of environmental protection with resin, and bore a hole 135, fire output hole 114 can the impact style setting, makes quite simply, cost is also lower.

Claims

1. the oven burner that can prevent back-fire comprises a burner body and a snorkel that is fixed on this burner body; It is characterized in that:

This burner body, have perisporium and two dividing plates that link this perisporium and this space is separated out an appearance air chamber and two airtubes that define a space, this perisporium has a base wall panel, a top walls panels that is provided with at interval with this base wall panel, two are oppositely arranged and are attached at intermarginal sidewall paneling and two front sheets that are attached between described sidewall paneling of this base wall panel periphery and this top walls panels week along a length direction, described sidewall paneling respectively has a plurality of fire output holes that are provided with at interval along length direction, described dividing plate respectively has a bottom that is attached on this base wall panel, one is attached at top ends on this top walls panels and one and is connected in this end, shoulder between top ends, described shoulder is provided with a plurality of perforation that are provided with at interval along length direction, described perforation direction is set and described fire output hole is the shape that staggers, described airtube position holds the both sides of air chamber at this;

This snorkel is to be fixed on this base wall panel, and has a channel of supplying gas that is communicated to this appearance air chamber.

2. the oven burner that prevents back-fire as claimed in claim 1, it is characterized in that: the top ends of the dividing plate of this burner body and bottom are the parallel throw setting, shoulder is vertical with top and bottom ends portion and is connected, and described fire output hole is corresponding to top ends, and fire output hole the position is set and perforation is the shape that staggers.

3. the oven burner that prevents back-fire as claimed in claim 1 is characterized in that: this burner body also has a drain pan spare and a top shell spare that is fixed in this drain pan spare top, and this drain pan spare has this base wall panel, sidewall paneling and front sheet.

4. the oven burner that prevents back-fire as claimed in claim 3 is characterized in that: the dividing plate of this burner body also respectively has a location division that is connected top ends one side, and described location division is that clipping is at this drain pan spare and top shell spare fixing position.