CN216521656U

CN216521656U - Secondary combustion-supporting energy-saving burner and gas stove

Info

Publication number: CN216521656U
Application number: CN202220007301.7U
Authority: CN
Inventors: 宿元凯
Original assignee: Hebei Aikitchen Environmental Protection Technology Co ltd
Current assignee: Hebei Aikitchen Environmental Protection Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-13
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a secondary combustion-supporting energy-saving burner and a gas stove, belonging to the technical field of stoves, comprising a shell with an opening at the top end, wherein a mixed gas pipe entering the shell is arranged on the shell, and a combustion chamber is enclosed between the mixed gas pipe and the inner wall of the shell, and the secondary combustion-supporting energy-saving burner is characterized in that: the shell is also internally provided with an air supply cavity, the air supply cavity is provided with a first through hole communicated with the combustion chamber, and the air supply cavity is communicated with an air supply pipe. According to the burner, the shell is also provided with the air supplementing cavity, the first through hole is formed between the air supplementing cavity and the combustion chamber, and the air supplementing cavity is communicated with the air supplementing pipe, so that on one hand, oxygen required by combustion can be supplemented for the combustion chamber through the air supplementing cavity, gas can be more fully combusted, and energy waste caused by insufficient combustion is reduced; on the other hand, the air supply cavity provides a heat insulation layer for the combustion chamber, so that the heat loss can be reduced, and the purpose of energy conservation is realized.

Description

Secondary combustion-supporting energy-saving burner and gas stove

Technical Field

The utility model belongs to the technical field of stoves, and particularly relates to a secondary combustion-supporting energy-saving burner and a gas stove.

Background

In China with Chinese food as the main part, hotels, dining halls and central kitchens are all equipped with commercial gas stoves for cooking Chinese food. The existing commercial gas stove mainly comprises a hearth and a burner arranged in the hearth. The burner comprises a combustion chamber, an air inlet pipe and an air inlet pipe, air and fuel gas respectively enter the combustion chamber through the air inlet pipe and the air inlet pipe, a combustion flame is formed after the air and the fuel gas are ignited, and the flame heats a cooking utensil placed on a hearth. The structure is simple, and the use is convenient, so the structure is widely adopted.

Most of the existing burners adopt a bottom flaming positive combustion mode, the mixed gas of gas and air sprayed from the bottom is combusted to directly heat the cooker, the structure is simple, but the soup overflowing from the cooker easily sticks to the gas spraying holes, so that the gas is not smoothly discharged, and the burning flame is easily extinguished.

Therefore, the applicant proposes a patent application with the application number of 201920915301.5 and the name of a secondary combustion-supporting energy-saving burner and a gas stove to the national patent office in 2019, 6 and 18.A mixed gas injection blind pipe with a closed upper end extends into a lower opening of a shell, a combustion chamber is defined between the mixed gas injection blind pipe and the inner wall of the shell, a gas ejecting hole is formed in the side wall of the mixed gas injection blind pipe, one end of the gas ejecting hole is communicated with a pipe cavity of the mixed gas injection blind pipe, the other end of the gas ejecting hole is communicated with the combustion chamber, and a liquid discharge channel is defined between the mixed gas injection blind pipe below the gas ejecting hole and the shell. Although the area for receiving the juice is enlarged, the juice overflowing to the range of the burner can be smoothly discharged, and the phenomenon of unsmooth air outlet caused by the blockage of the air outlet hole by the juice is thoroughly avoided; but the combustion efficiency is to be improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a secondary combustion-supporting energy-saving burner and a gas stove, which can supplement preheated air to a combustion chamber to realize secondary combustion supporting.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the design is a secondary combustion-supporting energy-saving burner, including the shell of top open-ended, set up the gas mixture pipe that gets into in the shell on the shell, enclose into combustion chamber, its characterized in that between the inner wall of gas mixture pipe and shell: the shell is also internally provided with an air supply cavity, the air supply cavity is provided with a first through hole communicated with the combustion chamber, and the air supply cavity is communicated with an air supply pipe.

Furthermore, the air supplementing cavity is at least partially positioned below the combustion chamber, the mixed air pipe enters the combustion chamber from the bottom of the shell, a liquid discharge channel is arranged between the mixed air pipe and the shell, and a liquid discharge pipe communicated with the air supplementing cavity is arranged on the bottom wall of the air supplementing cavity.

Furthermore, the mixed gas pipe is a blind pipe with a closed top pipe orifice, the side wall of the blind pipe is provided with a gas injection hole, the inner end of the gas injection hole is communicated with the pipe cavity of the blind pipe, the outer end of the gas injection hole is communicated with the combustion chamber, and the outer end of the gas injection hole is positioned above the liquid discharge channel.

Furthermore, the air injection holes are thin inside and thick outside.

Further, the gas injection holes are inclined upwards from inside to outside.

Furthermore, the blind pipe comprises a first pipe body and a blind plate arranged at the top end of the first pipe body, the middle of the blind plate is in an upward protruding shape, an air inlet is formed in the first pipe body, a second pipe body is arranged in the first pipe body, a gas outlet and a gas inlet are formed in the second pipe body, and the gas outlet is located above the air inlet.

Furthermore, the edge of the blind plate exceeds the outer wall of the first pipe body.

Furthermore, a communication port communicated with the air supplementing pipe is arranged on the first pipe body and is positioned below the gas outlet.

Furthermore, a top plate is plugged on a top pipe orifice of the second pipe body, a gas outlet is formed in the side wall of the second pipe body, a rotational flow disc is arranged on the outer wall of the second pipe body, the gas outlet is located in the rotational flow disc, and a gas inlet is located below the rotational flow disc.

Furthermore, a side chamber is arranged in the side wall of the shell, the side chamber is provided with a second through hole communicated with the combustion chamber, and an electronic ignition needle and a seed fire air supply pipe are arranged in the side chamber.

Further, the side chamber is provided with an air flow channel communicated with the air replenishing cavity.

The utility model also provides a gas stove, which comprises a burner and is characterized in that: the burner is the secondary combustion-supporting energy-saving burner.

Compared with the prior art, the utility model has the beneficial effects that:

1. because the shell is also provided with the air supplementing cavity, the air supplementing cavity is provided with the first through hole communicated with the combustion chamber, and the air supplementing cavity is communicated with the air supplementing pipe, on one hand, oxygen required by combustion can be supplemented for the combustion chamber through the air supplementing cavity, so that the gas can be more fully combusted, and the energy waste caused by insufficient combustion is reduced; on the other hand, the air supply cavity provides a heat insulation layer for the combustion chamber, so that the heat loss can be reduced, and the purpose of energy conservation is realized.

2. Because tonifying qi chamber part or whole below that is located the combustion chamber, the mixed gas pipe gets into the combustion chamber from the bottom of shell, has the flowing back passageway between mixed gas pipe and shell, sets up the fluid-discharge tube of intercommunication tonifying qi chamber on the diapire of tonifying qi chamber for the juice that gets into the combustion chamber discharges through tonifying qi chamber, gives the gas that gets into in the tonifying qi chamber with the heat transfer that carries in the juice, reduces thermal carrying volume in the outer juice of arranging, further reduces thermal loss.

3. Because the mixing gas pipe is a blind pipe with a closed top opening, the side wall of the blind pipe is provided with the gas injection hole, and the outer end of the gas injection hole is positioned above the liquid discharge channel, the space between the shell and the mixing gas pipe is enabled to form a combustion chamber at the upper part, and the liquid discharge channel is formed at the lower part, the area for receiving the juice is enlarged, and the juice overflowing to the range of the combustor can be smoothly discharged; meanwhile, juice is prevented from falling into the air injection holes, and the smoothness of air outlet is ensured.

4. Because the gas injection holes are thin inside and thick outside, the space of the gas injection holes is enlarged from inside to outside, mixed gas enters the combustion chamber after being buffered, and the mixed gas with mild gas flow is provided for the combustion chamber, so that the stability of flame is improved; and on the other hand, the airflow noise is favorably reduced.

5. The gas injection holes are inclined upwards from inside to outside, so that the upward overall direction of the flame can be ensured; on the other hand can make the mist collide the inner wall of shell on, strengthen its mixing degree, do benefit to the gas and fully burn, it is energy-concerving and environment-protective more.

6. The blind pipe comprises a first pipe body and a blind plate arranged at the top end of the first pipe body, the edge of the blind plate exceeds the outer wall of the first pipe body, and the middle part of the blind plate is in an upward protruding shape, so that the middle part of the blind plate is higher than the peripheral edge, the flowing speed of juice can be increased, the scorching degree of the juice in the flowing process can be reduced, and the coke pollution can be reduced; meanwhile, the exceeding part of the blind plate forms a shielding cover, so that the juice overflowing into the combustion chamber is far away from the air injection holes as far as possible, and reliable guarantee is provided for avoiding blocking the air injection holes.

7. Because the first pipe body is provided with the communicating port communicated with the air supplementing pipe, the communicating port is positioned below the fuel gas outlet, air can be supplied to the air supplementing cavity through the air pipe, and air supplementing pressure is guaranteed on the premise of reducing power equipment.

8. Because the top plate is plugged on the top end pipe orifice of the second pipe body, and the gas outlet is formed in the side wall of the second pipe body, the gas moves along the radial direction of the first pipe body and is mixed into the longitudinally moving air, the contact area between the gas and the longitudinally moving air is increased, and the blending degree can be improved; be equipped with the whirl dish on the outer wall of second body, the gas outlet has been located the whirl dish, has reduced the circulation space of air here, realizes the effect of secondary pressure boost, can release fast in gas exhaust position, and the penetrating power of reinforcing air further improves the mixing degree with the gas.

9. Because set up the side room in the lateral wall of shell, the side room has the second through-hole that communicates the combustion chamber, sets up electron ignition needle and kind of fire air supply pipe in the side room for the side room provides kind of fire for the combustion chamber through the second through-hole, has protected electron ignition needle and kind of fire air supply pipe, does benefit to and prolongs its life.

10. Because the side chamber is provided with the air flow channel communicated with the air supplementing cavity, on one hand, oxygen is provided for combustion supporting for the kindling during ignition; on the other hand, a combustion-supporting channel is provided for the combustion chamber after ignition.

11. The utility model has simple structure, can provide oxygen for the combustion chamber to realize secondary combustion supporting, and leads the combustion of gas to be more sufficient; meanwhile, the heat loss is reduced, and the method is convenient to popularize and apply in the industry.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B in FIG. 2

Fig. 4 is a cross-sectional view C-C of fig. 2.

The mark in the figure is: 1. a housing; 2. a combustion chamber; 3. a blind plate; 4. a first pipe body; 5. a second tube body; 6. a gas supplementing pipe; 7. a gas inlet; 8. an air inlet; 9. a first through hole; 10. a gas injection hole; 11. a side chamber; 12. a second through hole; 13. an electronic fire needle; 14. a seed fire air supply pipe; 15. an air flow channel; 16. a liquid discharge channel; 17. an air supplement cavity; 18. a liquid discharge pipe; 19. a swirling disc; 20. a gas outlet; 21. a top plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

When the air-purifying device is in a use state, referring to the flow direction of air in the first pipe body 4, one end of the air inlet is defined as a bottom end or a lower end, and the other end of the air outlet is correspondingly defined as a top end or an upper end; one side near the center of the first tube 4 is defined as an inner side, and the other side away from the center of the first tube 4 is correspondingly defined as an outer side.

As shown in figure 1, the mixed gas pipe of the utility model is a blind pipe with a closed top, the mixed gas pipe enters the inner cavity of the shell 1 with an open top from the lower part of the shell 1, and a combustion chamber 2 is enclosed between the mixed gas pipe and the inner wall of the shell 1. The concrete structure of gas mixing pipe is as shown in fig. 3, sets up the orificial blind plate 3 in 4 tops of first body of closure on first body 4, forms the blind pipe, offers the fumarole 10 that is ascending slope form from inside to outside on the lateral wall of blind pipe, and the lumen, the outer end intercommunication combustion chamber 2 of the inner intercommunication blind pipe of fumarole 10, the outer end of fumarole 10 are thick in the inner segment to the outer end of fumarole 10 is located drainage channel 16's top. Wherein, the middle part of blind plate 3 is the evagination form, and the border of blind plate 3 surpasss the outer wall setting of first body 4, the lower part of first body 4 is equipped with air intake 8, set up second body 5 in the first body 4, the shutoff has roof 21 on the top mouth of pipe of second body 5, gas outlet 20 has been seted up on the lateral wall of second body 5, be equipped with whirl dish 19 on the outer wall of second body 5, gas outlet 20 is located whirl dish 19, gas outlet 20 is located the top of air intake 8, be equipped with gas inlet 7 on the below second body 5 of whirl dish 19. So make the air get into first body 4 from air intake 8, mix with the gas that emerges from the gas export 20 of second body 5 mutually, form the mist of air and gas for the upper portion of first body 4 is the mixing portion of mixing trachea, lower part for air and gas.

The main innovation point of the utility model is as shown in fig. 3 and 4, an air supply cavity 17 is arranged in the shell 1 below the combustion chamber 2, the air supply cavity 17 is provided with a first through hole 9 communicated with the combustion chamber 2, as shown in fig. 2, six first through holes 9 are uniformly distributed around the periphery of the mixed gas pipe in the combustion chamber 2, the air supply cavity 17 is communicated with the air supply pipe 6, the other end of the air supply pipe 6 is connected to the first pipe body 4 through a communication port, and the communication port is positioned below the gas outlet 20. A liquid discharge channel 16 is arranged between the mixed gas pipe and the shell 1, so that the upper end of the liquid discharge channel 16 is communicated with the combustion chamber 2, the lower end of the liquid discharge channel is communicated with the air replenishing cavity 17, and a liquid discharge pipe 18 communicated with the air replenishing cavity 17 is arranged on the bottom wall of the air replenishing cavity 17. A side chamber 11 is further formed in the side wall of the housing 1, the side chamber 11 is provided with an air flow channel 15 communicated with an air supplementing cavity 17, the side chamber 11 is provided with a second through hole 12 communicated with the combustion chamber 2, and an electric ignition needle 13, a flameout induction needle and a seed ignition air supply pipe 14 are arranged in the side chamber 11.

The working process of the utility model is as follows:

an air blower is arranged on an air inlet 8 of the first pipe body 4, a gas inlet 7 of the second pipe body 5 is communicated with a gas source, a seed ignition air supply pipe 14 and an electronic ignition needle 13 are opened, and the seed ignition is ignited. Then, the blower and the gas source are turned on, the blower supplies pressurized and rapidly flowing air to the first tube 4, the gas enters the swirling disc 19 from the gas outlet 20, obliquely enters the second tube 5 along the edge of the swirling disc 19, and is mixed with the rapidly released air in the second tube 5 after secondary pressurization caused by space change, so that a mixed gas of air and gas is formed, and is continuously supplied upwards, when the mixed gas reaches the upper part of the first tube 4, a part of the mixed gas enters the combustion chamber 2 from the gas injection hole 10, most of the mixed gas still advances along the original direction, and after impacting the blind plate 3, the mixed gas is forced to change direction, moves downwards, and collides with the mixed gas coming from the lower part again, is mixed more uniformly, then overflows into the combustion chamber 2 from the gas injection hole 10, is ignited and combusted by a small fire, and the electronic ignition needle is closed. In the combustion process, the first pipe body 4 fills pressurized air into the air supply cavity 17 through the air supply pipe 6, most of the air enters the combustion chamber 2 through the first through hole 9, and a small part of the air is supplied into the combustion chamber 2 through the side chamber 11 to supplement oxygen for the combustion chamber 2 together, so that the secondary combustion-supporting effect is realized, and the fuel gas can be combusted more fully. The direction and the structure of the gas injection holes 10 ensure the gas outlet direction and the stability, form overall upward flame, and can also impact the inner wall of the shell 1 to realize secondary impact, so that the traveling path of the mixed gas is prolonged; on the other hand, the mixture is more uniform, so that the mixture is fully combusted, and a cooker above the combustion chamber 2 is heated.

In the in-process of heating cooking utensil, if there is the juice to spill over in the cooking utensil, if the juice drops on blind plate 3, because the middle part of blind plate 3 is the structure that goes up suddenly, the juice then flows into combustion chamber 2 fast, gets into drainage channel 16 and the first through-hole 9 of lower part, if the juice drops into combustion chamber 2, then directly gets into drainage channel 16 of lower part for the juice that gets into the combustor can both discharge smoothly in tonifying qi chamber 17, avoids pasting fumarole 10, causes the not smooth problem of giving vent to anger. The juice meets the air from the air supplementing cavity 17 in the process of discharging to the air supplementing cavity 17, and part of heat is transferred to the air entering the combustion chamber 2; the juice in the air replenishing cavity 17 can continuously release heat to preheat the entering air, and the juice after heat dissipation is intensively discharged from the liquid discharge pipe 18.

Except that the blind plate 3, the first pipe body 4 and the second pipe body 5 are adopted to form the mixed gas pipe, an integrated structure can be adopted, or two adjacent casting bodies are adopted, the rest is connected, and the installation and the operation can be convenient only by adopting a split structure. The embodiment is not limited to the above-described case where the charge air chamber 17 is located below the combustion chamber 2, and the charge air chamber 17 may also surround the bottom and the periphery of the combustion chamber 2.

The combustion chamber 2 can also be applied to an energy-saving gas stove capable of supporting secondary combustion.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a secondary combustion-supporting energy-saving burner, includes top open-ended shell, set up the gas mixture pipe that gets into in the shell on the shell, enclose into combustion chamber, its characterized in that between the inner wall of gas mixture pipe and shell: the shell is also internally provided with an air supply cavity, the air supply cavity is provided with a first through hole communicated with the combustion chamber, and the air supply cavity is communicated with an air supply pipe.

2. The secondary combustion-supporting energy-saving burner as set forth in claim 1, wherein: the air supplementing cavity is at least partially positioned below the combustion chamber, the mixed air pipe enters the combustion chamber from the bottom of the shell, a liquid discharge channel is arranged between the mixed air pipe and the shell, and a liquid discharge pipe communicated with the air supplementing cavity is arranged on the bottom wall of the air supplementing cavity.

3. The secondary combustion-supporting energy-saving burner as claimed in claim 1 or 2, wherein: the mixed gas pipe is a blind pipe with a closed top pipe orifice, the side wall of the blind pipe is provided with a gas injection hole, the inner end of the gas injection hole is communicated with the pipe cavity of the blind pipe, the outer end of the gas injection hole is communicated with the combustion chamber, and the outer end of the gas injection hole is positioned above the liquid discharge channel.

4. A secondary combustion-supporting energy-saving burner as set forth in claim 3, wherein: the blind pipe comprises a first pipe body and a blind plate arranged on the top end of the first pipe body, the middle of the blind plate is in an upward protruding shape, an air inlet is formed in the first pipe body, a second pipe body is arranged in the first pipe body, a gas outlet and a gas inlet are formed in the second pipe body, and the gas outlet is located above the air inlet.

5. The secondary combustion-supporting energy-saving burner as claimed in claim 4, wherein: the border of blind plate surpasss the outer wall setting of first body.

6. The secondary combustion-supporting energy-saving burner as claimed in claim 4, wherein: the first pipe body is provided with a communication port communicated with the air supplementing pipe, and the communication port is positioned below the gas outlet.

7. The secondary combustion-supporting energy-saving burner as claimed in claim 6, wherein: the top plate is plugged on the top pipe orifice of the second pipe body, the gas outlet is formed in the side wall of the second pipe body, the rotational flow disc is arranged on the outer wall of the second pipe body, the gas outlet is located in the rotational flow disc, and the gas inlet is located below the rotational flow disc.

8. A secondary combustion-supporting energy-saving burner as set forth in claim 3, wherein: a side chamber is arranged in the side wall of the shell and provided with a second through hole communicated with the combustion chamber, and an electronic ignition needle and a seed ignition air supply pipe are arranged in the side chamber.

9. The secondary combustion-supporting energy-saving burner as claimed in claim 8, wherein: the side chamber is provided with an air flow channel communicated with the air replenishing cavity.

10. A gas stove comprising a burner, characterized in that: the burner is a secondary combustion-supporting energy-saving burner as claimed in any one of claims 1 to 9.