CN216744465U - Energy-gathering pot rack and gas stove - Google Patents

Abstract

The utility model relates to the technical field of gas appliances, in particular to an energy-gathering pot frame and a gas stove. The energy-gathering pot frame is arranged on the periphery of the combustor and comprises an energy-gathering disc and a baffle part, the energy-gathering disc comprises an upper disc and a lower disc, and the upper disc and the lower disc are connected together to form an inner cavity; the baffle part is positioned in the inner cavity to divide the inner cavity into a first cavity and a second cavity; the upper tray is provided with a first through hole, the lower tray is provided with a second through hole, the first through hole and the second through hole are communicated with the first cavity, and the circumferential inner annular surface of the energy collecting tray can be arranged at a gap between the circumferential outer surface of the combustor. The energy-gathering pot frame and the gas stove provided by the utility model can improve the heat energy utilization rate of high-temperature flue gas, enhance the integral combustion effect and reduce the emission of carbon monoxide waste gas.

Description

Energy-gathering pot holder and gas stove

Technical Field

The utility model relates to the technical field of gas appliances, in particular to an energy-gathering pot frame and a gas stove.

Background

In order to seek higher combustion heat efficiency, some gas cookers adopt an energy-gathering pot holder with an energy-gathering disc, which is usually in an annular structure and mainly comprises a single-layer annular disc and a double-layer hollow annular disc in form. When the energy-gathering disc is used, secondary air required by combustion and high-temperature flue gas required by combustion can be separated, so that the high-temperature flue gas required by combustion is gathered in the energy-gathering disc, heat energy exchange between the high-temperature flue gas and the bottom of a pot is enhanced, radiation and convection heat loss is reduced, and the effect of gathering heat energy is achieved.

However, the flowing speed of the high-temperature flue gas in the existing energy-gathering disk is too high, the high-temperature flue gas cannot be fully utilized, and the heat loss is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-collecting pot frame and a gas stove, and aims to solve the technical problems that high-temperature smoke in the prior energy-collecting disc flows too fast, the high-temperature smoke cannot be fully utilized, and the heat loss is large in the prior art.

In view of the above object, the present invention provides a power concentrating pan holder for being disposed at the periphery of a burner, comprising a power concentrating disk and a barrier, wherein the power concentrating disk comprises an upper disk and a lower disk, and the upper disk and the lower disk are connected together to form an inner cavity; the baffle part is positioned in the inner cavity to divide the inner cavity into a first cavity and a second cavity; the upper tray is provided with a first through hole, the lower tray is provided with a second through hole, the first through hole and the second through hole are communicated with the first cavity, and the circumferential inner annular surface of the energy collecting tray can be arranged at a gap between the circumferential outer surface of the combustor.

Further, a first guide plate is arranged above the first through hole and extends towards the central line of the energy gathering plate.

Further, the upper tray comprises a first annular bottom plate and a first annular side wall extending upwards from the outer edge of the first annular bottom plate in an inclined mode, and the first annular side wall is in a flaring shape;

the first guide plate is connected with the first annular side wall, and the angle formed between the plate surface of the first guide plate and the wall surface of the first annular side wall ranges from 30 degrees to 90 degrees.

Further, the plate surface of the first guide plate is perpendicular to the central line of the energy collecting plate.

Further, the first baffle and the first annular side wall are integrally formed.

Further, a second guide plate is arranged below the second through hole and extends towards the central line of the energy collecting disc.

Further, the angle between the plate surface of the second guide plate and the central line of the energy collecting plate is 60-90 degrees.

Further, the lower tray comprises a second annular bottom plate, a second annular side wall extending upwards from the outer edge of the second annular bottom plate, and a third annular side wall extending upwards from the inner edge of the second annular bottom plate, wherein the second annular side wall is connected with the first annular side wall, and the third annular side wall is connected with the first annular bottom plate; the second baffle is connected with the third annular side wall.

Further, the second baffle and the third annular side wall are integrally formed.

Furthermore, keep off the portion and be the bent plate form, the one end that keeps off the portion with the second annular lateral wall is connected, the other end that keeps off the portion with the third annular lateral wall is connected, just keep off the portion with the position that the third annular lateral wall is connected is not higher than the second guide plate with the position that the third annular lateral wall is connected.

Further, the first through hole comprises a first sub through hole and a second sub through hole, and the second sub through hole is positioned above the first sub through hole; the number of the first sub through holes and the number of the second sub through holes are a plurality of, a plurality of the first sub through holes are arranged along the circumferential interval of the upper disc, a plurality of the second sub through holes are arranged along the circumferential interval of the upper disc, and a plurality of the second sub through holes are staggered with the first sub through holes.

Further, the first cavity can be communicated with an outer ring fire hole of the combustor.

Based on the purpose, the utility model also provides a gas stove which comprises the energy-gathering pot frame.

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

the energy-gathering pot frame provided by the utility model is arranged at the periphery of a burner and comprises an energy-gathering disc and a baffle part, wherein the energy-gathering disc comprises an upper disc and a lower disc, and the upper disc and the lower disc are connected together to form an inner cavity; the baffle part is positioned in the inner cavity to divide the inner cavity into a first cavity and a second cavity; the upper tray is provided with a first through hole, the lower tray is provided with a second through hole, the first through hole and the second through hole are communicated with the first cavity, and the circumferential inner annular surface of the energy collecting tray can be arranged at a gap between the circumferential outer surface of the combustor.

Based on the structure, when the energy-gathering pot frame is used, part of high-temperature smoke enters the first cavity from the first through hole, the second cavity has a heat preservation effect on the first cavity, the high-temperature smoke in the first cavity can be effectively prevented from transferring heat to the periphery, the high-temperature smoke in the first cavity can be ensured to be in a high-temperature state, and the high-temperature smoke flows out from the second through hole; after part of high-temperature flue gas enters the first cavity, secondary air is supplemented from a gap between the circumferential inner ring surface of the energy-gathering disc and the circumferential outer surface of the combustor, meanwhile, the disturbance of the high-temperature flue gas is enhanced, so that the secondary air and the fuel gas are mixed more fully, the exhaust emission is reduced, and the integral combustion effect is enhanced; simultaneously, the secondary air mixes with the high temperature flue gas that flows from the second through-hole, makes the temperature of secondary air rise on the one hand, and on the other hand also makes the high temperature flue gas participate in the burning once more for the high temperature flue gas can fully burn as far as possible, has not only improved the heat utilization ratio of high temperature flue gas, has reduced the emission of carbon monoxide waste gas simultaneously again.

The gas stove provided by the utility model has the advantages that the energy-gathering pot frame provided by the utility model is used, the heat energy utilization rate of high-temperature flue gas is improved, the integral combustion effect is enhanced, and the emission of carbon monoxide waste gas is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a power concentrating pot holder according to an embodiment of the present invention;

fig. 2 is a top view of a concentrator pan holder according to an embodiment of the present invention;

fig. 3 is a bottom view of a concentrator pan holder according to an embodiment of the present invention;

fig. 4 is a sectional view of a concentrator pan holder according to an embodiment of the present invention;

FIG. 5 is a schematic view of a collector rack and a burner according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a shaped pan holder coupled to a burner according to an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a schematic structural diagram of a concentrator pan holder according to a second embodiment of the present invention.

Icon: 100-a burner; 101-upper disc; 1011-a first annular base plate; 1012-a first annular sidewall; 102-lower disc; 1021-a second annular base plate; 1022 — a second annular sidewall; 1023-a third annular side wall; 103-a barrier; 104-a first cavity; 105-a second cavity; 106 — a first via; 107-second via; 108-a first baffle; 109-a second baffle; 110-a supplemental channel; 111-a first sub-via; 112-a second sub-via; 113-pot supporting feet; 114-pot support feet.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 7, the present embodiment provides a power concentrating pan holder for being disposed at the periphery of a burner 100, comprising a power concentrating disk and a baffle 103, wherein the power concentrating disk comprises an upper disk 101 and a lower disk 102, and the upper disk 101 and the lower disk 102 are connected together to form an inner cavity; a barrier 103 is located in the inner cavity to divide the inner cavity into a first cavity 104 and a second cavity 105; the upper disc 101 is provided with a first through hole 106, the lower disc 102 is provided with a second through hole 107, the first through hole 106 and the second through hole 107 are both communicated with the first cavity 104, and a circumferential inner annular surface of the energy gathering disc and a circumferential outer surface of the combustor 100 can be arranged in a clearance mode.

Based on the structure, when the energy-gathering wok stand provided by the embodiment is used, high-temperature flue gas integrally flows along the direction of a solid arrow in fig. 7, part of the high-temperature flue gas enters the first cavity 104 from the first through hole 106, and the second cavity 105 has a heat insulation effect on the first cavity 104, so that the high-temperature flue gas in the first cavity 104 can be effectively prevented from transferring heat downwards, and the high-temperature flue gas in the first cavity 104 can be ensured to be in a high-temperature state and flow out from the second through hole 107; after part of the high-temperature flue gas enters the first cavity 104, the secondary air is supplemented from the gap between the circumferential inner ring surface of the energy-collecting disc and the circumferential outer surface of the combustor 100, namely, the gap between the circumferential inner ring surface of the energy-collecting disc and the circumferential outer surface of the combustor 100 forms a secondary air supplementing channel 110, the secondary air flows along the direction of a dotted arrow in fig. 7, meanwhile, the disturbance of the high-temperature flue gas is enhanced, the secondary air is more fully mixed with the fuel gas, the exhaust emission is reduced, and therefore the overall combustion effect is enhanced; meanwhile, the secondary air is mixed with the high-temperature flue gas flowing out of the second through hole 107, so that the temperature of the secondary air is increased, the high-temperature flue gas is combusted again, the high-temperature flue gas is combusted fully as far as possible, the heat energy utilization rate of the high-temperature flue gas is improved, and the emission of carbon monoxide waste gas is reduced.

In use, the energy collecting pot frame is arranged on the periphery of the combustor 100, and the first cavity 104 can be communicated with the outer ring fire hole of the combustor 100 through the first through hole 106.

Further, as shown in fig. 1, a first deflector 108 is disposed above the first through hole 106, and the first deflector 108 extends toward a center line of the energy collecting disk. First guide plate 108 can block that high temperature flue gas directly flows away from gathering the energy dish top, and it is too fast to restrain the high temperature flue gas velocity of flow for most flue gas gets into first cavity 104 from first through-hole 106, prolongs the heat exchange time of high temperature flue gas and bottom of a boiler, thereby has reduced the heat exchange loss, effectively promotes the combustion thermal efficiency.

In the present embodiment, referring to fig. 4, the upper disc 101 includes a first annular bottom plate 1011, and a first annular side wall 1012 extending obliquely upward from an outer edge of the first annular bottom plate 1011, the first annular side wall 1012 being flared; the first guide plate 108 is connected to the first annular sidewall 1012, and an angle formed between a plate surface of the first guide plate 108 and a wall surface of the first annular sidewall 1012 is 30 ° to 90 °.

If the angle between the plate surface of the first flow guide plate 108 and the wall surface of the first annular sidewall 1012 is too small, the first through hole 106 is blocked by the first flow guide plate 108, which is not favorable for the high temperature flue gas to enter the first through hole 106.

If the angle between the plate surface of the first guide plate 108 and the wall surface of the first annular side wall 1012 is too large, the blocking effect of the first guide plate 108 on the high-temperature flue gas is weakened, most of the high-temperature flue gas can directly flow away from the upper part of the energy-collecting disc, and overflowing soup in the cooking process can enter the first cavity 104 through the first through hole 106.

Therefore, the angle formed between the plate surface of the first flow guide plate 108 and the wall surface of the first annular side wall 1012 in this embodiment is 30 to 90 °, which not only enables most of the high-temperature flue gas to enter the first through hole 106, but also effectively prevents the overflowing soup from entering the first cavity 104 through the first through hole 106 during cooking.

Optionally, the angle between the plate surface of the first baffle 108 and the wall surface of the first annular sidewall 1012 in this embodiment may be, but is not limited to, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, or 90 °.

In this embodiment, referring to fig. 4, the plate surface of the first deflector 108 is perpendicular to the centerline of the energy collecting disc. Such mode not only is big with the area of contact of high temperature flue gas, is convenient for play effectual effect of blockking to the upflow of high temperature flue gas, but also can not carry out too much sheltering from to first through-hole 106, and the most high temperature flue gas of being convenient for gets into first through-hole 106 under the guide effect of first guide plate 108, and simultaneously, also be convenient for with the soup water conservancy diversion of the in-process overflow of cooking to first annular bottom plate 1011.

In this embodiment, the first through hole 106 is rectangular.

Further, the first baffle 108 is integrally formed with the first annular sidewall 1012.

The first annular side wall 1012 is cut to form three rectangular edges, the three rectangular edges include two short edges and a long edge located below, the long edge above is kept from being cut, and then the first guide plate 108 formed by cutting is bent upwards until the angle formed between the plate surface of the first guide plate 108 and the wall surface of the first annular side wall 1012 is a set angle.

It should be noted that the shape of the first through hole 106 is not limited to a rectangle, and for example, the shape of the first through hole 106 may also be a circle, a semicircle, an ellipse, or a hexagon.

It should be further noted that the first baffle 108 may also be welded to the first annular sidewall 1012.

Further, a second flow deflector 109 is arranged below the second through hole 107, and the second flow deflector 109 extends toward the center line of the energy collecting disk.

The second guide plate 109 can guide part of the high-temperature flue gas flowing out of the first cavity 104 to the secondary air supplement channel 110, so as to ensure effective mixing of the high-temperature flue gas and the secondary air, and improve the utilization rate of the high-temperature flue gas.

Further, the angle formed between the plate surface of the second guide plate 109 and the center line of the energy collecting plate is 60 to 90 degrees.

If the angle between the plate surface of the second air deflector 109 and the central line of the energy collecting plate is too small, the high-temperature flue gas flowing out from the second through hole 107 will impact the secondary air, which is not favorable for the smooth supplement of the secondary air.

If the angle between the plate surface of the second flow guide plate 109 and the center line of the energy collecting disc is too large, the second through hole 107 is shielded by the second flow guide plate 109, which is not beneficial to the high-temperature flue gas flowing out from the second through hole 107.

In this embodiment, the angle formed between the plate surface of the second baffle 109 and the center line of the energy collecting plate is 60 ° to 90 °.

In this embodiment, the angle between the plate surface of the second baffle 109 and the center line of the energy collecting plate is 90 °.

Further, the lower plate 102 includes a second annular bottom plate 1021, a second annular sidewall 1022 extending upward from an outer edge of the second annular bottom plate 1021, and a third annular sidewall 1023 extending upward from an inner edge of the second annular bottom plate 1021, the second annular sidewall 1022 being connected to the first annular sidewall 1012, and the third annular sidewall 1023 being connected to the first annular bottom plate 1011; the second baffle 109 is connected to the third annular sidewall 1023.

In this embodiment, the upper disc 101 is welded to the lower disc 102. Specifically, the edge of the first annular side wall 1012 is provided with a first horizontal folded edge, the edge of the second annular side wall 1022 is provided with a second horizontal folded edge, the edge of the third annular side wall 1023 is provided with a third annular folded edge, the lower surface of the first horizontal folded edge is welded to the upper surface of the second horizontal folded edge, and the upper surface of the third horizontal folded edge is welded to the lower surface of the first annular base plate 1011.

It should be noted that the upper disc 101 may be detachably connected to the lower disc 102.

In this embodiment, the second through hole 107 has a rectangular shape.

Further, the second baffle 109 is integrally formed with the third annular sidewall 1023.

The third annular side wall 1023 is cut into three rectangular sides, including two short sides and a long side above the third annular side wall, the long side below the third annular side wall is left uncut, and then the second guide plate 109 formed by cutting is bent downward until the angle of the angle formed between the plate surface of the second guide plate 109 and the center line of the energy collecting plate is a set angle.

The shape of the second through hole 107 is not limited to a rectangle, and for example, the shape of the second through hole 107 may be a circle, a semicircle, an ellipse, or a hexagon.

It should be noted that the second baffle 109 can also be welded to the third annular sidewall 1023.

Further, the blocking portion 103 is in a bent plate shape, one end of the blocking portion 103 is connected to the second annular side wall 1022, the other end of the blocking portion 103 is connected to the third annular side wall 1023, and a position where the blocking portion 103 is connected to the third annular side wall 1023 is not higher than a position where the second flow guide plate 109 is connected to the third annular side wall 1023.

Referring to fig. 4, the first cavity 104 is located above the second cavity 105, which effectively prevents the high-temperature flue gas in the first cavity 104 from transferring heat to the panel.

Alternatively, one end of the barrier 103 is welded to the second annular sidewall 1022, and the other end of the barrier 103 is welded to the third annular sidewall 1023.

It should be noted that one end of the blocking portion 103 may be detachably connected to the second annular side wall 1022, and the other end of the blocking portion 103 may be detachably connected to the third annular side wall 1023, that is, the blocking portion 103 may be directly placed on the lower tray 102, and the blocking portion 103 may be supported by the second annular side wall 1022 and the third annular side wall 1023.

One end of the barrier 103 may be connected to the first annular side wall 1012, and the other end of the barrier 103 may be connected to the second annular bottom plate 1021. At this time, the first cavity 104 is located on a side of the second cavity 105 near the center of the energy concentrating disk.

The energy-gathering pot holder provided by the embodiment further comprises a pot supporting leg 113, and the pot supporting leg 113 is welded with the upper surface of the first annular side wall 1012. The quantity of pan supporting legs 113 is a plurality of, a plurality of pan supporting legs 113 are along the even interval arrangement in circumference of first annular lateral wall 1012, the upper surface of pan supporting legs 113 is higher than the outer border of first annular lateral wall 1012, both guarantee the circulation of high temperature flue gas, the direct contact of pan supporting legs 113 with the outside air has been reduced again effectively, make the effective conduction of the burning heat energy that pan supporting legs 113 absorbed heat to the bottom of a boiler, improve the utilization ratio of burning heat energy, guaranteed simultaneously that the emission of burning flue gas is unblocked.

The energy-gathering wok stand provided by the embodiment further comprises wok stand supporting legs 114, and the wok stand supporting legs 114 are welded with the lower surface of the second annular bottom plate 1021. The number of the wok stand supporting legs 114 is multiple, the wok stand supporting legs 114 are uniformly arranged along the circumferential direction of the second annular bottom plate 1021 at intervals, the wok stand supporting legs 114 are plate-shaped, and the plate surfaces of the wok stand supporting legs extend along the radial direction, so that the resistance when secondary air enters the supplementary channel 110 is reduced, the supply of the secondary air required by combustion is smoother, and the combustion effect is more sufficient.

The shape of the energy collecting disc can also be square, rounded square, polygon or ellipse.

The embodiment also provides a gas stove which comprises the energy-collecting pot frame provided by the embodiment.

The gas-cooker that this embodiment provided, owing to used the energy-gathering pot frame that this embodiment provided, improved the heat utilization rate of high temperature flue gas, strengthened holistic combustion effect, reduced the emission of carbon monoxide waste gas.

Example two

Referring to fig. 8, the present embodiment also provides a power concentrating pan holder, which is an improvement on the first embodiment, and the technical solution of the first embodiment also belongs to the first embodiment, and will not be described again here. The same reference numerals are used for the same components as in the first embodiment, and reference is made to the description of the first embodiment.

In this embodiment, the first via 106 includes a first sub-via 111 and a second sub-via 112, and the second sub-via 112 is located above the first sub-via 111; the number of the first sub through holes 111 and the number of the second sub through holes 112 are both plural, the plural first sub through holes 111 are arranged at intervals along the circumferential direction of the upper disc 101, the plural second sub through holes 112 are arranged at intervals along the circumferential direction of the upper disc 101, and the plural second sub through holes 112 and the plural first sub through holes 111 are arranged in a staggered manner. The mode can play better blocking and guiding roles on the high-temperature flue gas, and further enhances the disturbance of the high-temperature flue gas, thereby further improving the heat energy utilization rate of the high-temperature flue gas and enhancing the overall combustion effect.

The embodiment also provides a gas stove which comprises the energy-gathering pot frame provided by the embodiment.

The gas-cooker that this embodiment provided, owing to used the energy-gathering pot frame that this embodiment provided, improved the heat utilization rate of high temperature flue gas, strengthened holistic combustion effect, reduced the emission of carbon monoxide waste gas.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (13)

1. A shaped pan holder for placement at the periphery of a burner (100), comprising a shaped pan comprising an upper pan (101) and a lower pan (102), and a barrier (103), the upper pan (101) and the lower pan (102) being joined together to form an inner chamber; the barrier (103) is located in the inner cavity to divide the inner cavity into a first cavity (104) and a second cavity (105); the upper-layer disc (101) is provided with a first through hole (106), the lower-layer disc (102) is provided with a second through hole (107), the first through hole (106) and the second through hole (107) are communicated with the first cavity (104), and the circumferential inner annular surface of the energy-gathering disc and the circumferential outer surface of the combustor (100) are arranged in a clearance mode.

2. The concentrator bowl holder according to claim 1, wherein a first deflector (108) is arranged above the first through hole (106), the first deflector (108) extending towards the centre line of the concentrator disk.

3. The energy concentrating pan holder according to claim 2, wherein the upper tray (101) comprises a first annular base plate (1011), and a first annular side wall (1012) extending obliquely upward from an outer edge of the first annular base plate (1011), the first annular side wall (1012) being flared;

the first guide plate (108) is connected with the first annular side wall (1012), and the angle formed between the plate surface of the first guide plate (108) and the wall surface of the first annular side wall (1012) is 30-90 degrees.

4. The energy concentrating pan holder according to claim 2, wherein the plate surface of the first deflector (108) is perpendicular to the centerline of the energy concentrating disk.

5. The concentrator bowl holder according to claim 3, wherein the first baffle (108) is integrally formed with the first annular sidewall (1012).

6. The energy concentrating pan holder according to claim 1, characterized in that a second deflector (109) is arranged below the second through hole (107), the second deflector (109) extending towards the centre line of the energy concentrating disk.

7. The concentrator pan holder according to claim 6, wherein the angle between the plate surface of the second deflector (109) and the centre line of the concentrator disk is 60 ° to 90 °.

8. The energy concentrating wok stand according to claim 6, wherein the lower plate (102) comprises a second annular bottom plate (1021), a second annular side wall (1022) extending upward from an outer edge of the second annular bottom plate (1021), and a third annular side wall (1023) extending upward from an inner edge of the second annular bottom plate (1021), the second annular side wall (1022) being connected with the first annular side wall (1012) of the upper plate (101), the third annular side wall (1023) being connected with the first annular bottom plate (1011) of the upper plate (101); the second baffle (109) is connected to the third annular sidewall (1023).

9. The concentrator bowl holder according to claim 8, wherein the second baffle (109) is integrally formed with the third annular sidewall (1023).

10. The energy concentrating wok stand according to claim 8, characterized in that the baffle (103) is in the shape of a bent plate, one end of the baffle (103) is connected with the second annular side wall (1022), the other end of the baffle (103) is connected with the third annular side wall (1023), and the position where the baffle (103) is connected with the third annular side wall (1023) is not higher than the position where the second baffle (109) is connected with the third annular side wall (1023).

11. The concentrator cage according to one of claims 1 to 10, wherein the first through opening (106) comprises a first sub through opening (111) and a second sub through opening (112), the second sub through opening (112) being located above the first sub through opening (111); the number of the first sub through holes (111) and the number of the second sub through holes (112) are multiple, the first sub through holes (111) are arranged along the circumferential interval of the upper disc (101), the second sub through holes (112) are arranged along the circumferential interval of the upper disc (101), and the second sub through holes (112) and the first sub through holes (111) are arranged in a staggered mode.

12. The concentrator bowl rack according to one of claims 1 to 10, wherein the first cavity (104) is communicable with an outer ring fire hole of the burner (100).

13. A gas cooktop comprising the concentrator bowl holder of any one of claims 1 to 12.

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