CN218209562U - Novel fire cover seat and combustor - Google Patents

Abstract

The utility model discloses a novel fire cover seat, which comprises a seat body, an outer ring channel and an inner ring channel, wherein the outer ring channel and the inner ring channel are arranged on the seat body and are internally provided with a ring cavity; the air inlet direction of the air inlet pipe is parallel to the tangential direction of the annular cavity. The utility model discloses a fire lid seat, the setting mode of its intake pipe not only can avoid the gas to take place the energy loss that the offset caused, and because two intake pipes are located the both sides of annular chamber respectively to make the gas that enters into the annular chamber distribute comparatively for even, and then make the gas of fire lid fire hole department also comparatively more even, thereby avoid fire lid fire hole department to take place from flame phenomenon or tempering phenomenon. In addition, the utility model discloses still provide the combustor that has this fire lid seat.

Description

Novel fire cover seat and combustor

Technical Field

The utility model relates to a gas-cooker technical field, concretely relates to novel fire lid seat and combustor.

Background

Traditional type combustor of intaking leads to this to draw and penetrates the pipe not to have the shrink section and the expansion section in the traditional meaning owing to draw to penetrate the pipe shorter, and then leads to drawing the ability not enough, so can set up two at least and draw and penetrate the burning load that the pipe improves the combustor usually. The export of two injection pipes is set to the subtend usually to current combustor, and this mode of setting leads to two export spun mixed gas to produce the offset in certain position department of annular chamber to lead to the great loss of air-fuel mixture energy, simultaneously because the pressure of offset department is great, the gas tolerance is great, and the fire hole department of this department fire lid probably takes place to leave the flame, and the fire hole of keeping away from here appears the tempering phenomenon again.

In order to solve the above problems, patent No. CN111947149B discloses a stove burner, which is provided with a flow guide block in an outer ring gas mixing chamber, wherein the flow guide block is arranged between two gas outlet ends, and a guide surface is arranged on the flow guide block, so that the gas flow direction facing the gas outlet ends can be changed to flow towards the direction far away from the other gas outlet end, and the gas hedging phenomenon is avoided. Although this cooking utensils combustor can solve the gas offset problem, nevertheless because two gas outlet ends all set up the same one side of this outer loop gas mixing chamber to lead to the gas volume that this outer loop gas mixing chamber is close to the position of gas outlet end great, and the opposite side gas volume of keeping away from gas outlet end less, thereby lead to the gas in the outer loop gas mixing chamber to distribute inhomogeneous, and then lead to distributing to the gas that the fire lid fire hole was located also inhomogeneous.

SUMMERY OF THE UTILITY MODEL

In order to overcome the prior art defect, the utility model provides a novel fire lid seat and combustor, this fire lid seat not only can avoid the gas to take place the offset and lead to energy loss, and the gas distribution of this annular intracavity is comparatively even simultaneously, can avoid the fire hole department of fire lid to take place from flame phenomenon or tempering phenomenon.

The utility model discloses a solve the technical scheme that its problem adopted and be:

the utility model provides a novel fire lid seat, is in including pedestal and setting on the pedestal and inside outer loop passageway and the inner ring passageway that all has the annular chamber, wherein:

the outer ring channel surrounds the outer side of the inner ring channel;

at least two air inlet pipes communicated with the annular cavity of the outer ring channel and/or the inner ring channel are arranged on the outer ring channel and/or the inner ring channel respectively, and the at least two air inlet pipes are arranged in parallel at intervals and are respectively positioned on two sides of the annular cavity; the air inlet directions of the two air inlet pipes are opposite;

the air inlet direction of the air inlet pipe is parallel to the tangential direction of the annular cavity.

The fire cover seat of the utility model has the advantages that the at least two air inlet pipes communicated with the annular cavity are arranged on the outer ring channel and/or the inner ring channel, the two air inlet pipes are arranged in parallel at intervals and have opposite air inlet directions, the arrangement mode can avoid the great loss of energy of air-fuel mixture caused by the offset of gas, and no additional flow guide block is needed, thereby reducing the production and manufacturing cost; in addition, because the two air inlet pipes are respectively positioned at the two sides of the annular cavity, the gas entering the annular cavity is distributed more uniformly, and further the gas at each fire hole is relatively uniform, thereby avoiding the flame-off phenomenon or the tempering phenomenon at the fire hole of the fire cover.

Furthermore, the communicating part of the outer ring channel and/or the inner ring channel and the air inlet pipe is a pipe wall cavity with an expanded volume, and an arc-shaped guide surface is formed on the pipe wall cavity so that the communicating part is in arc transition.

From this, set up the pipe wall cavity and the shaping has the arc spigot surface on this pipe wall cavity through the intercommunication department at outer ring channel and/or inner ring channel and intake pipe to when can making the gas enter into the annular cavity from the intake pipe, this gas can flow along the extending direction of arc spigot surface, thereby has realized comparatively stable flow direction and has changed, thereby has guaranteed the smooth and easy nature that the air current flows.

Furthermore, the air inlet pipe is positioned at the bottom of the outer ring channel and/or the inner ring channel, the pipe wall cavity expands towards the bottom of the outer ring channel and/or the inner ring channel, one end of the pipe wall cavity is communicated with the air inlet pipe, and the other end of the pipe wall cavity is communicated with the outer ring channel and/or the inner ring channel;

and the air inlet direction from the pipe wall cavity to the outer ring channel and/or the inner ring channel is vertical to the air inlet direction of the air inlet pipe.

Furthermore, the air inlet pipe, the pipe wall cavity, the outer ring channel and the inner ring channel are integrally formed.

Furthermore, the outer ring channel and the inner ring channel are both communicated with two air inlet pipes, and the two air inlet pipes on the outer ring channel and the two air inlet pipes on the inner ring channel are both arranged in parallel.

Furthermore, the base body is also provided with a connecting plate for connecting the outer ring channel and the inner ring channel, and the connecting plate is provided with a positioning hole for assembling with the furnace end base.

Furthermore, the two connecting plates are arranged oppositely, the positioning hole in one connecting plate is a round hole, and the positioning hole in the other connecting plate is a square hole.

Further, the seat body, the connecting plate, the outer ring channel and the inner ring channel are integrally formed.

Additionally, the utility model also provides a combustor, including above-mentioned fire lid seat, furnace end base, outer loop fire lid and inner ring fire lid, wherein:

the fire cover seat is detachably arranged above the furnace end base;

the outer ring fire cover is detachably mounted on the outer ring channel and communicated with the annular cavity, the inner ring fire cover is detachably mounted on the inner ring channel and communicated with the annular cavity, and a plurality of fire holes are annularly formed in the outer side wall of the outer ring fire cover and the outer side wall of the inner ring fire cover.

Further, still including demountable installation in the inside sleeve pipe of intake pipe, the position that the intake pipe is close to the gas outlet is equipped with cyclic annular protruding edge, cyclic annular protruding edge can be used for with the sheathed tube bottom butt.

To sum up, the utility model discloses a novel fire lid seat and combustor has following beneficial effect:

(1) The fire cover seat of the utility model has the advantages that the at least two air inlet pipes communicated with the annular cavity are arranged on the outer ring channel and/or the inner ring channel, the two air inlet pipes are arranged in parallel at intervals and have opposite air inlet directions, the arrangement mode can avoid the great loss of energy of the air-fuel mixture generated by the hedging of the fuel gas, and the additional arrangement of the flow guide block is not needed, so that the production and manufacturing cost is reduced; in addition, because the two air inlet pipes are respectively positioned at the two sides of the annular cavity, the gas entering the annular cavity is distributed more uniformly, and further the gas at each fire hole is relatively uniform, thereby avoiding the flame-off phenomenon or the tempering phenomenon at the fire hole of the fire cover.

(2) The utility model discloses a fire lid seat sets up the shaping through intercommunication department at outer ring channel and/or inner ring channel and intake pipe on pipe wall cavity and this pipe wall cavity and has the arc spigot surface to when can making the gas enter into the annular cavity from the intake pipe, this gas can flow along the extending direction of arc spigot surface, thereby realized comparatively stable flow direction change, thereby guaranteed the smooth and easy nature that the air current flows.

Drawings

FIG. 1 is a schematic structural view of the fire cover seat of the present invention;

FIG. 2 is a schematic structural view of another perspective of the fire cover seat of the present invention;

fig. 3 is an exploded view of the burner of the present invention;

fig. 4 is a schematic structural diagram of the burner of the present invention.

Wherein the reference numerals have the following meanings:

1. a fire cover seat; 11. a base body; 12. an outer ring channel; 13. an inner ring channel; 14. a first intake pipe; 15. a first tube wall cavity; 151. a first arcuate guide surface; 16. a second intake pipe; 17. a second tube wall cavity; 171. a second arcuate guide surface; 18. a connecting plate; 181. positioning holes; 19. positioning the projection; 2. an outer ring fire cover; 21. a first fire hole; 3. an inner ring fire cover; 31. a second fire hole; 4. a sleeve; 5. a furnace end base; 51. and a positioning column.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example one

Referring to fig. 1-2, the present invention first provides a novel fire cover seat 1, which includes a seat body 11, an outer ring channel 12 and an inner ring channel 13, wherein the outer ring channel 12 and the inner ring channel 13 are disposed on the seat body 11 and have a ring cavity therein, and the outer ring channel 12 surrounds the outer side of the inner ring channel 13; the outer annular channel 12 is provided with two first inlet pipes 14 communicating with the annular chamber thereof. Specifically, the two first air inlet pipes 14 are arranged in parallel at intervals and are respectively located at two sides of the annular cavity, the air inlet direction of the first air inlet pipe 14 is parallel to the tangential direction of the annular cavity, and the air inlet directions of the two first air inlet pipes 14 are opposite. The connection between the outer ring channel 12 and the two first air inlet pipes 14 is provided with a first pipe wall cavity 15, and a first arc-shaped guide surface 151 is formed on the first pipe wall cavity 15 to make the connection in arc transition.

In this embodiment, the first air inlet pipe 14 is located at the bottom of the outer annular channel 12, and the first pipe wall cavity 15 expands toward the bottom of the outer annular channel 12 and has one end connected to the air inlet of the first air inlet pipe 14 and the other end connected to the outer annular channel 12. The air inlet direction from the first pipe wall cavity 15 into the outer ring channel 12 is perpendicular to the air inlet direction of the first air inlet pipe 14.

Similarly, two second intake pipes 16 are provided in the inner annular passage 13 to communicate with the annular chamber thereof. Specifically, the two second air inlet pipes 16 are arranged in parallel at intervals and are respectively located at two sides of the annular cavity, the air inlet direction of the second air inlet pipe 16 is parallel to the tangential direction of the annular cavity, and the air inlet directions of the two second air inlet pipes 16 are opposite. The connection between the inner ring channel 13 and the two second air inlet pipes 16 is provided with a second pipe wall cavity 17, and a second arc-shaped guide surface 171 is formed on the second pipe wall cavity 17 to make the connection in arc transition.

In this embodiment, the second air inlet pipe 16 is located at the bottom of the inner ring channel 13, the second pipe wall cavity 17 expands toward the bottom of the inner ring channel 13, and one end of the second pipe wall cavity is communicated with the air inlet of the second air inlet pipe 16, and the other end of the second pipe wall cavity is communicated with the inner ring channel 13. The air inlet direction from the second pipe wall cavity 17 to the inner ring channel 13 is perpendicular to the air inlet direction of the second air inlet pipe 14.

Therefore, the two first air inlet pipes 14 communicated with the annular cavity of the outer annular channel 12 are arranged on the outer annular channel 12, the two first air inlet pipes 14 are arranged in parallel at intervals and have opposite air inlet directions, the two second air inlet pipes 16 communicated with the annular cavity of the inner annular channel 13 are arranged on the inner annular channel, the two second air inlet pipes 16 are arranged in parallel at intervals and have opposite air inlet directions, and the arrangement mode can avoid the great loss of energy of the fuel-air mixture caused by the fact that fuel gas generates opposite impact, does not need to additionally arrange a flow guide block, and reduces the production and manufacturing cost; in addition, because the two first air inlet pipes 14 and the two second air inlet pipes 16 are respectively positioned at two sides of the annular cavity, the gas entering the annular cavity is distributed more uniformly, and further the gas at each fire hole is relatively uniform, so that the flame-out phenomenon or the backfire phenomenon at the fire holes of the fire cover is avoided. In addition, through set up first pipe wall cavity 15 and this first pipe wall cavity 15 at the intercommunication department of outer ring channel 12 and first intake pipe 14 and the shaping has first arc spigot surface 151, through set up second pipe wall cavity 17 and this second pipe wall cavity 17 shaping has second arc spigot surface 171 at the intercommunication department of inner ring channel 13 and second intake pipe 16, thereby when can making the gas enter into the annular cavity from first intake pipe 14 and second intake pipe 16, this gas can flow along the extending direction of first arc spigot surface 151 and second arc spigot surface 171, thereby realized comparatively stable flow direction change, the smoothness nature that the air current flows has been guaranteed.

In the present embodiment, the two second intake pipes 16 on the inner annular passage 13 and the two first intake pipes 14 on the outer annular passage 12 are both arranged in parallel with each other. An air inlet of a second air inlet pipe 16 on the inner ring channel 13 is arranged in parallel with an air inlet of a first air inlet pipe 14 on the outer ring channel 12, and an air inlet of another second air inlet pipe 16 on the inner ring channel 13 is arranged in parallel with an air inlet of another first air inlet pipe 14 on the outer ring channel 12.

In this embodiment, the first air inlet pipe 14, the second air inlet pipe 16, the first pipe wall cavity 15, the second pipe wall cavity 17, the outer ring channel 12, the inner ring channel 13 and the seat body 11 are integrally formed.

In addition, a connecting plate 18 for connecting the outer ring channel 12 and the inner ring channel 13 is integrally formed on the seat body 11, and two connecting plates 18 are arranged oppositely; the connecting plate 18 is provided with a positioning hole 181 for assembling with the burner base 5, the positioning hole 181 of one connecting plate 18 is a round hole, and the positioning hole 181 of the other connecting plate 18 is a square hole.

Example two

Referring to fig. 3-4, the utility model also provides a burner, including fire lid seat 1, furnace end base 5, outer loop fire lid 2 and inner ring fire lid 3 in the embodiment one, two locating holes 181 that correspond pedestal 11 on this furnace end base 5 are equipped with two reference columns 51 respectively, and a reference column 51 is the cylinder, and another reference column 51 is the square column. Therefore, the positioning column 51 is inserted into the positioning hole 181, so that the burner cap base 1 can be detachably mounted on the burner base 5. The outer ring fire cover 2 is detachably mounted on the outer ring channel 12 and communicated with the annular cavity of the outer ring fire cover, the inner ring fire cover 3 is detachably mounted on the inner ring channel 13 and communicated with the annular cavity of the inner ring fire cover, a plurality of first fire holes 21 are formed in the outer side wall of the outer ring fire cover 2, and a plurality of second fire holes 31 are formed in the outer side wall of the inner ring fire cover 3. In addition, the air conditioner also comprises a sleeve 4 which is detachably arranged inside the first air inlet pipe 14, and an annular convex edge (not shown in the figure) is arranged at the position, close to the air outlet, of the first air inlet pipe 14 and can be used for abutting against the bottom of the sleeve 4.

To sum up, the utility model discloses a novel fire lid seat 1 and combustor has following beneficial effect:

the utility model discloses a fire lid seat 1, through set up at least two intake pipes that communicate its annular chamber on outer ring channel 12 and/or inner ring channel 13, two intake pipes are arranged and the air inlet direction is opposite side by side at intervals, and this mode of setting not only can avoid the gas to take place to offset the big amplitude loss of producing the empty mixture energy of burning that produces, and does not need additionally to set up the water conservancy diversion piece, has reduced the production manufacturing cost; in addition, because the two air inlet pipes are respectively positioned at the two sides of the annular cavity, the gas entering the annular cavity is distributed more uniformly, and further the gas at each fire hole is relatively uniform, thereby avoiding the flame-off phenomenon or the tempering phenomenon at the fire hole of the fire cover.

(two) the utility model discloses a fire lid seat 1 sets up the shaping through intercommunication department at outer ring channel 12 and/or inner ring channel 13 and intake pipe on pipe wall cavity and this pipe wall cavity has the arc spigot surface to when can making the gas enter into the annular cavity from the intake pipe, this gas can flow along the extending direction of arc spigot surface, thereby realizes comparatively stable flow direction change, thereby has guaranteed the smooth and easy nature that the air current flows.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting.

In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel fire lid seat, its characterized in that includes the pedestal and sets up on the pedestal and inside outer loop channel and the inner ring channel that all has the annular chamber, wherein:

the outer ring channel surrounds the outer side of the inner ring channel;

at least two air inlet pipes communicated with the annular cavity of the outer ring channel and/or the inner ring channel are arranged on the outer ring channel and/or the inner ring channel, and the at least two air inlet pipes are arranged in parallel at intervals and are respectively positioned on two sides of the annular cavity; the air inlet directions of the two air inlet pipes are opposite;

the air inlet direction of the air inlet pipe is parallel to the tangential direction of the annular cavity.

2. The fire cover seat according to claim 1, wherein the connection part of the outer ring channel and/or the inner ring channel and the air inlet pipe is a pipe wall cavity with an expanded volume, and an arc-shaped guide surface is formed on the pipe wall cavity so as to enable the connection part to be in arc transition.

3. The fire cover seat according to claim 2, wherein the air inlet pipe is positioned at the bottom of the outer ring channel and/or the inner ring channel, the pipe wall cavity expands towards the bottom of the outer ring channel and/or the inner ring channel, one end of the pipe wall cavity is communicated with the air inlet pipe, and the other end of the pipe wall cavity is communicated with the outer ring channel and/or the inner ring channel;

and the air inlet direction from the pipe wall cavity to the outer ring channel and/or the inner ring channel is vertical to the air inlet direction of the air inlet pipe.

4. A fire cover stand according to claim 2 or 3 wherein the air inlet duct, duct wall cavity, outer annular channel and inner annular channel are integrally formed.

5. The fire cover seat according to claim 1, wherein two air inlet pipes are communicated with the outer ring channel and the inner ring channel, and the two air inlet pipes on the outer ring channel and the two air inlet pipes on the inner ring channel are arranged in parallel.

6. The fire cover base according to claim 1, wherein the base body is further provided with a connecting plate for connecting the outer ring channel and the inner ring channel, and the connecting plate is provided with a positioning hole for being assembled with a burner base.

7. The fire cover seat according to claim 6, wherein the connecting plates are arranged in two opposite directions, the positioning holes on one connecting plate are round holes, and the positioning holes on the other connecting plate are square holes.

8. A fire cover mount as claimed in claim 6 or claim 7 wherein the mount body, the web, the outer ring channel and the inner ring channel are integrally formed.

9. A burner comprising the fire cover seat, burner base, outer ring fire cover and inner ring fire cover of any one of claims 1-8, wherein:

the fire cover seat is detachably arranged above the furnace end base;

the outer ring fire cover is detachably mounted on the outer ring channel and communicated with the annular cavity, the inner ring fire cover is detachably mounted on the inner ring channel and communicated with the annular cavity, and a plurality of fire holes are annularly formed in the outer side wall of the outer ring fire cover and the outer side wall of the inner ring fire cover.

10. The burner of claim 9, further comprising a sleeve removably mounted within the inlet tube, the inlet tube having an annular ledge proximate the outlet, the annular ledge being adapted to abut a bottom of the sleeve.

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