CN219607079U

CN219607079U - Furnace end and combustor with air compensation function

Info

Publication number: CN219607079U
Application number: CN202222906427.0U
Authority: CN
Inventors: 陈丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-08-29
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a burner, and particularly discloses a burner with an air compensation function and the burner. The burner comprises a shell and a combustion assembly, wherein the combustion assembly comprises an outer combustion unit and a core combustion unit, an air distribution cavity is arranged in the shell, and the air distribution cavity is respectively communicated with the core combustion unit and the outer combustion unit; the core combustion unit is connected with the shell, and the area where the core combustion unit is positioned is a core fire area; the shell is also provided with an air compensation channel, an air outlet of the air compensation channel is communicated with the core fire outlet area, and an air inlet is communicated with the outside of the shell. The furnace end is provided with the air compensation channel to perform air compensation on the fire discharging area of the core part, so that the gas is ensured to be fully combusted.

Description

Furnace end and combustor with air compensation function

Technical Field

The utility model relates to a burner, in particular to a burner with an air compensation function and the burner.

Background

A gas cooker is a common device used in cooking, and generally refers to a kitchen appliance which uses liquefied petroleum gas, artificial gas, natural gas and other gas fuels to heat directly. The burner is a core part of the gas stove, is used for guiding and controlling the stable output of the gas and supporting the safe and reliable combustion of the gas.

With the continuous development of technology, the structure of the burner is more and more compact, and the fire discharging area is more concentrated, so that the fire discharging area is divided to adapt to different use occasions, and the burner generally comprises an inner fire discharging area and an outer fire discharging area.

The Chinese patent application with the application publication number of CN 107255273A discloses an energy-saving efficient furnace end, which comprises a base, a fire cover and a furnace core, wherein a mixing chamber and an internal rotation compression chamber are arranged in the base, a first fire hole is formed in the furnace core, the mixing chamber is communicated with the first fire hole, a second fire hole is formed in the fire cover, and the internal rotation compression chamber is communicated with the second fire hole. The problem of insufficient combustion of the fuel gas is likely to occur during combustion, and the main reason is that the proportion of air mixed in the mixer for supporting combustion is insufficient. The burner has the advantages that the distance between the first fire outlet hole and the second fire outlet hole is relatively short, when the burner burns, the flame in the second fire outlet hole area can acquire air from the external environment to compensate flame combustion, so that the gas is ensured to burn fully, but the flame in the first fire outlet hole area is surrounded by the flame in the second fire outlet hole area, so that the sufficient air is difficult to acquire from the external environment, and the problem of insufficient gas combustion is relatively obvious.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a furnace end and a burner with an air compensation function, wherein an air compensation channel is arranged to perform air compensation on a core ignition area so as to ensure that fuel gas is fully combusted.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the furnace end with the air compensation function comprises a shell and a combustion assembly, wherein the combustion assembly comprises an outer combustion unit and a core combustion unit, an air distribution cavity is arranged in the shell, and the air distribution cavity is respectively communicated with the core combustion unit and the outer combustion unit; the core combustion unit is connected with the shell, and the area where the core combustion unit is positioned is a core fire area;

the shell is also provided with an air compensation channel, an air outlet of the air compensation channel is communicated with the core fire outlet area, and an air inlet is communicated with the outside of the shell.

When in combustion, air compensates the core fire-out area through the air compensation channel, so that the problem of insufficient air supplement in the core fire-out area can be effectively relieved, the gas is ensured to be fully combusted, and the effect of reducing energy waste is achieved.

Preferably, the shell comprises a bottom plate, an outer side plate and an inner side plate, wherein the outer side plate and the inner side plate are perpendicular to the bottom plate and are respectively in annular arrangement, and the outer side plate is sleeved outside the inner side plate; the air distribution cavity comprises a main air distribution cavity arranged between the outer side plate and the inner side plate and an auxiliary air distribution cavity arranged in the inner side plate; the main air distribution cavity is communicated with the outer combustion unit, and the auxiliary air distribution cavity is communicated with the core combustion unit.

Preferably, the air compensation channel comprises a through hole formed on the bottom plate.

Preferably, the device further comprises an inner partition plate, wherein the inner partition plate is connected with an upper end opening of the inner side plate; the inner side plate encloses an air compensation cavity; the inner partition plate is provided with a secondary distribution channel, an air inlet of the secondary distribution channel is communicated with the air compensation cavity, and an air outlet of the secondary distribution channel is communicated with the core fire outlet area; the air compensation channel is communicated with the core fire outlet area through the air compensation cavity and the secondary distribution channel.

The secondary distribution channel has the function of adjusting and controlling the position of the compensation air entering the core fire discharging area, so that the air is prevented from being too concentrated after entering the core fire discharging area, and the combustion-supporting effect is ensured.

Preferably, the inner partition plate is provided with an air supply channel corresponding to the core combustion unit; the number of the secondary distribution channels is at least two, and the secondary distribution channels are annularly and uniformly distributed around the air supply channel.

Preferably, the device further comprises a transition plate, wherein the inner partition plate and the transition plate are sequentially stacked up and down, and a buffer cavity is formed between the inner partition plate and the transition plate; the transition plate is provided with a transition channel which is communicated with the buffer cavity and the air compensation cavity; the transition channel and the secondary distribution channel are staggered in the radial direction.

The buffer cavity can buffer and decelerate the compensation air and change the air flow direction, so that the compensation air is prevented from directly entering the core fire-discharging area at high speed from the secondary distribution channel after entering the air compensation cavity from the air compensation channel, and the distribution range of the compensation air in the core fire-discharging area is favorably controlled.

Preferably, the external combustion unit comprises a fire cover, wherein the fire cover comprises a fire outlet ring, and the fire outlet ring is arranged to cover the upper end opening of the main air distribution cavity; the fire outlet ring is provided with an outlet fire hole, and the outlet direction of the outlet fire hole is upward or outward.

Preferably, the fire cover further comprises an inner fire outlet, and the air outlet direction of the inner fire outlet is arranged towards the fire outlet area of the core part;

the secondary distribution channel comprises a core distribution channel and an inner flame distribution channel, wherein the core distribution channel corresponds to the core combustion unit, and the inner flame distribution channel corresponds to the inner flame outlet hole.

By arranging the core distribution channels and the inner flame distribution channels respectively, air compensation is performed accurately on the core combustion unit and the inner flame outlet.

The burner with the air compensation function comprises a burner and an air delivery assembly, wherein the burner is the burner, and the air delivery assembly is communicated with the air distribution cavity.

Preferably, the air pressure device further comprises an air pressure assembly, and an air outlet of the air pressure assembly is communicated with the air compensation channel.

The air pressurizing assembly is adopted to input compensation air to the core fire-out area in an active air supply mode, and the air compensation effect is more stable and reliable.

Drawings

FIG. 1 is a schematic diagram of a burner with air compensation function according to the present embodiment;

FIG. 2 is a cross-sectional view of the burner with air compensation function of the present embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an exploded view of the burner with air compensation function of the present embodiment;

FIG. 5 is a schematic view of the structure of the housing in the burner with air compensation function according to the present embodiment;

FIG. 6 is an exploded view of the cooperation of the inner partition and the transition plate in the burner with air compensation function according to the present embodiment

FIG. 7 is a schematic view of the inner partition plate of the burner with air compensation function according to the present embodiment;

fig. 8 is a schematic structural view of the burner of the present embodiment.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

As shown in fig. 1-4, a burner with an air compensation function comprises a housing 2 and a combustion assembly 1, wherein the combustion assembly 1 comprises an outer combustion unit 11 and a core combustion unit 12, an air distribution cavity is arranged in the housing 2, and the air distribution cavity is respectively communicated with the core combustion unit 12 and the outer combustion unit 11. The core combustion unit 12 is connected with the shell 2, and the area where the core combustion unit 12 is positioned is a core fire-out area 3. The shell 2 is also provided with an air compensation channel 25, the air outlet of the air compensation channel 25 is communicated with the core fire outlet area 3, and the air inlet is communicated with the outside of the shell 2.

When in combustion, air compensates the core fire-out area 3 through the air compensation channel 25, so that the problem of insufficient air supplement in the core fire-out area 3 can be effectively relieved, the gas is ensured to be fully combusted, and the effect of reducing energy waste is achieved.

As shown in fig. 2 and 5, as a specific embodiment, the housing 2 includes a bottom plate 23, an outer side plate 21, and an inner side plate 24, where the outer side plate 21 and the inner side plate 24 are perpendicular to the bottom plate 23 and are respectively disposed in a ring shape, and the outer side plate 21 is sleeved outside the inner side plate 24. The air distribution cavity comprises a main air distribution cavity 22 arranged between the outer side plate 21 and the inner side plate 24, and a secondary air distribution cavity 27 arranged in the inner side plate 24. The main gas distribution cavity 22 is communicated with the outer combustion unit 11, and the auxiliary gas distribution cavity 27 is communicated with the core combustion unit 12. The air compensation channel 25 comprises a through hole formed on the bottom plate 23.

As shown in fig. 3-7, as a specific embodiment, an inner partition 28 is further included, and the inner partition 28 is connected to the upper end opening of the inner side plate 24. The inner side plate 24 encloses a synthetic air compensation chamber 26. The inner partition plate 28 is provided with a secondary distribution channel, an air inlet of the secondary distribution channel is communicated with the air compensation cavity 26, and an air outlet of the secondary distribution channel is communicated with the core fire outlet area 3. The air compensation channel 25 is communicated with the core fire outlet area 3 through an air compensation cavity 26 and a secondary distribution channel. The secondary distribution channel has the function of adjusting and controlling the position of the compensation air entering the core fire discharging area 3, so that the air is prevented from being too concentrated after entering the core fire discharging area 3, and the combustion-supporting effect is ensured.

Further, as shown in fig. 2 and 3, the buffer chamber further comprises a transition plate 29, the inner partition plate 28 and the transition plate 29 are sequentially stacked up and down, and a buffer chamber is formed between the inner partition plate 28 and the transition plate 29. The transition plate 29 is provided with a transition channel 291, and the transition channel 291 is communicated with the buffer cavity and the air compensation cavity 26. The transition passages 291 are radially offset from the secondary distribution passages.

The buffer cavity can buffer and decelerate the compensation air and change the air flow direction, so that the compensation air is prevented from directly entering the core fire discharging area 3 at a high speed from the secondary distribution channel after entering the air compensation cavity 26 from the air compensation channel 25, and the distribution range of the compensation air in the core fire discharging area 3 is favorably controlled.

As a specific embodiment, as shown in fig. 2 and 3, the external combustion unit 11 includes a fire cover including a fire ring disposed to cover the upper end opening of the main distribution chamber 22. The fire outlet ring is provided with an outlet fire hole, and the outlet direction of the outlet fire hole is upward or outward.

The fire cover also comprises an inner fire outlet, and the air outlet direction of the inner fire outlet is arranged towards the core fire outlet area 3. As shown in fig. 7, the secondary distribution passages include a core distribution passage 281 and an inner flame distribution passage 284, wherein the core distribution passage 281 corresponds to the core combustion unit 12 and the inner flame distribution passage 284 corresponds to the inner flame hole. By providing the core distribution passages 281 and the inner flame distribution passages 284, respectively, air compensation is precisely performed for the core combustion unit 12 and the inner burner ports.

As shown in fig. 6 and 7, the inner partition plate 28 is provided with at least two air supply channels 283 corresponding to the core combustion units 12, and the core distribution channels 281 are annularly and uniformly distributed around the air supply channels 283.

As shown in fig. 6, the transition plate 29 is further provided with a plurality of connection holes 292, and the connection holes 292 are connected with the bottom plate 23 of the housing 2, which may be in a bolt connection manner. The inner partition plate 28 is connected with the bottom plate 23 through a transition plate 29, and specifically, the inner partition plate 28 may be connected with the transition plate 29 in a clamping manner.

As a preferred embodiment, the transition plate 29 may be integrally provided with the fire cover, while the inner partition 28 is co-pressed by the core combustion unit 12 and the housing 2.

As shown in fig. 6 and 7, in addition, a plurality of functional through holes 282 are formed in the transition plate 29 and the inner partition plate 28 for mounting the ignition unit and various sensors. Correspondingly, the bottom plate 23 is also provided with a functional base hole corresponding to the functional channel.

The air compensation mode can adopt a passive air supply mode or an active air supply mode.

Specifically, the passive air supply mode is that negative pressure formed by air intake and combustion through the core fire discharging area 3 is not used by external power equipment, and compensating air is sucked from the air compensating passage 25.

Specifically, as shown in fig. 8, the active air supply mode is that an air pressurizing assembly 4 is adopted, an air outlet of the air pressurizing assembly 4 is communicated with an air compensating passage 25, and the air pressurizing assembly 4 can adopt a fan. The air pressurizing assembly 4 can be used for inputting compensation air to the core fire discharging area 3 in an active air supply mode, and the air compensation effect is more stable and reliable.

In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The furnace end with the air compensation function comprises a shell and a combustion assembly, wherein the combustion assembly comprises an outer combustion unit and a core combustion unit, an air distribution cavity is arranged in the shell, and the air distribution cavity is respectively communicated with the core combustion unit and the outer combustion unit; the core combustion unit is connected with the shell, and the area where the core combustion unit is positioned is a core fire area;

the method is characterized in that: the shell is also provided with an air compensation channel, an air outlet of the air compensation channel is communicated with the core fire outlet area, and an air inlet is communicated with the outside of the shell.

2. The burner of claim 1, wherein: the shell comprises a bottom plate, an outer side plate and an inner side plate, wherein the outer side plate and the inner side plate are perpendicular to the bottom plate and are respectively in annular arrangement, and the outer side plate is sleeved outside the inner side plate; the air distribution cavity comprises a main air distribution cavity arranged between the outer side plate and the inner side plate and an auxiliary air distribution cavity arranged in the inner side plate; the main air distribution cavity is communicated with the outer combustion unit, and the auxiliary air distribution cavity is communicated with the core combustion unit.

3. The burner of claim 2, wherein: the air compensation channel comprises a through hole formed in the bottom plate.

4. A burner as claimed in claim 2 or 3, wherein: the inner partition plate is connected with the upper end opening of the inner side plate; the inner side plate encloses an air compensation cavity; the inner partition plate is provided with a secondary distribution channel, an air inlet of the secondary distribution channel is communicated with the air compensation cavity, and an air outlet of the secondary distribution channel is communicated with the core fire outlet area; the air compensation channel is communicated with the core fire outlet area through the air compensation cavity and the secondary distribution channel.

5. The burner of claim 4, wherein: the inner partition plate is provided with an air supply channel corresponding to the core combustion unit; the number of the secondary distribution channels is at least two, and the secondary distribution channels are annularly and uniformly distributed around the air supply channel.

6. The burner of claim 4, wherein: the inner partition plate and the transition plate are sequentially stacked up and down, and a buffer cavity is formed between the inner partition plate and the transition plate; the transition plate is provided with a transition channel which is communicated with the buffer cavity and the air compensation cavity; the transition channel and the secondary distribution channel are staggered in the radial direction.

7. The burner of claim 4, wherein: the outer combustion unit comprises a fire cover, the fire cover comprises a fire outlet ring, and the fire outlet ring is arranged to cover the upper end opening of the main air distribution cavity; the fire outlet ring is provided with an outlet fire hole, and the outlet direction of the outlet fire hole is upward or outward.

8. The burner of claim 7 wherein: the fire cover also comprises an inner fire outlet, and the air outlet direction of the inner fire outlet is arranged towards the fire outlet area of the core part;

9. The utility model provides a combustor with air compensation function, includes furnace end and gas transmission subassembly, its characterized in that: the burner is as claimed in any one of claims 1 to 8, and the gas transmission assembly is communicated with the gas distribution cavity.

10. The burner of claim 9, wherein: the air outlet of the air pressurizing assembly is communicated with the air compensation channel.