CN114543090B

CN114543090B - Burner head assembly

Info

Publication number: CN114543090B
Application number: CN202210239497.7A
Authority: CN
Inventors: 李静师; 刘涛
Original assignee: Foshan Yuyu Hardware Co ltd
Current assignee: Foshan Yuyu Hardware Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2025-01-24
Anticipated expiration: 2042-03-11
Also published as: CN114543090A

Abstract

The invention relates to a burner assembly of a burner, which comprises an anti-dry combustion probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a burner body and a burner frame which are sequentially assembled, wherein a secondary air channel, an outer ring air climbing channel, an inner ring air and gas mixing channel, a 360-degree epoxy supplementing channel, a suspension limiting ring, an air guide ring, a crescent nozzle protecting cover and a horn mouth injection pipe are arranged on the burner body, the secondary air channel is arranged between the outer ring air climbing channel and the inner ring air and gas mixing channel, the 360-degree epoxy supplementing channel is arranged at the outer edge of the burner body, the circumference of the secondary air channel is smaller than that of the burner body, the air guide ring is arranged on one side surface of the outer side of the burner body, the circumference of the air guide ring is equal to that of the 360-degree epoxy supplementing channel, and the burner body is arranged on the burner frame. The burner assembly can greatly reduce the consumption of fuel gas when in dynamic state.

Description

Burner assembly of combustor

Technical Field

The invention relates to a kitchen stove with a stove plate combustion device in the IPC classification number F23D field, in particular to a stove head assembly of a combustor.

Background

With the enhancement of safety, energy saving and environmental protection awareness and the change of fuel types, the structural innovation of the burner of the kitchen stove combustion device is also layed out.

For example, china patent document CN113883514A discloses an upper air inlet furnace end which comprises a furnace head seat, a central injection pipe (13), an outer injection pipe (14) and a central nozzle (7), wherein an air inlet end of the central injection pipe (13) and an air inlet end of the outer injection pipe (14) are respectively made into flaring, the furnace head seat is in a circular cup shape and is formed by deep drawing a metal plate, the furnace head seat comprises an annular side plate (6) and a circular bottom plate (21) connected with the annular side plate in a same body, one side part of the side plate (6) is processed to form a flatter installation part (8), the installation part (8) is provided with an A hole (111) and a B hole (112), the bottom plate (21) is provided with a central injection pipe groove (28) and an outer injection pipe groove (27), the lower small part of the central injection pipe (13) and the lower small part of the outer injection pipe (14) are respectively embedded into the central injection pipe groove (28) and the outer pipe groove (27), the central injection pipe (13) and the outer injection pipe groove (14) are respectively welded with the installation part (21) and the installation part (8) through the threaded connection part (112) and the threaded part (8B hole (9), the air outlet hole of the air outlet end of the central nozzle (7) is aligned with the air inlet hole center of the air inlet end of the central injection pipe (13), the air outlet hole of the air outlet end of the outer nozzle (9) is aligned with the air inlet hole center of the air inlet end of the outer injection pipe (14), the bottom plate (21) is provided with a C hole (34) penetrating through the lead wire of the ignition needle (2) or the lead wire of the thermocouple (4) and a D hole (35) penetrating through the lead wire of the thermocouple (4) or the lead wire of the ignition needle (2), the soup dish positioning ring comprises a mounting plate (22), a plurality of connecting plates (23) and an annular outer ring (19) which are connected with one another, the outer edge of the outer ring is processed into a flanging (20), the mounting plate (22) is provided with a central injection pipe perforation (26), the ignition needle perforation (24) and the thermocouple perforation (25), the mounting plate (22) comprises a circular main plate part (12) and an outer ring part (29) which is connected with one another, the main plate part (12) is slightly raised upwards, the outer ring part (29) is connected with the outer ring part (23), the outer ring part (19) is connected with the connecting plate (23), the burner (20) and the central injection pipe (2) is sleeved with the injection needle perforation end (13), the upper end of the thermocouple (4) passes through the thermocouple perforation (25). The utility model has the advantages of this application simple structure, pleasing to the eye, easy cleanness, and easy installation make furnace end and burner's material cost and processing cost reduce, combustion efficiency improves, and the combustor is usually respectively formed one set of or two sets of flame circles on outer distributor and interior distributor when burning, makes the pan of placing on it be heated more evenly, makes heating efficiency improve.

For another example, chinese patent document CN113623647a discloses a three-ring fire gas distribution plate and a burner, the gas distribution plate includes an inner ring hole for accommodating a central gas outlet of a burner, a plurality of outer ring gas inlet channels disposed on an outer ring side of the inner ring hole, an outer ring gas tank disposed on an outer ring side of the outer ring gas inlet channels, a plurality of communication channels for communicating the outer ring gas tank with the plurality of outer ring gas inlet channels, a plurality of inner ring gas inlet channels disposed between the outer ring gas tank and the outer ring gas inlet channels, and a plurality of secondary gas inlet through holes disposed on a side wall of the inner ring hole, the outer ring gas tank, the inner ring gas inlet channels and the outer ring gas inlet channels are concentrically disposed. The burner comprises the gas distribution plate and a burner matched with the gas distribution plate. The burner has the advantages that the inner ring fuel gas of the burner is led to the outer ring of the distributor to be combusted to form outer ring fire, the heat efficiency is improved, the size of the burner is reduced, the burner is easy to process, the tightness is good, and the overall cost of the burner is reduced.

As another example, C chinese patent document N215675193U announces a fire cover formed in a ring shape and provided with a large fire hole for providing a large fire and a small fire hole for providing a small fire, both of which are provided along the circumferential direction of the fire cover, and the large fire hole and the small fire hole are arranged so as to be adapted to form an outer ring out of the small fire and an inner ring out of the large fire, and a burner having the same. According to the fire cover, the large fire holes and the small fire holes on the annular fire cover are arranged to be suitable for the outer ring to emit small fire and the inner ring to emit large fire, so that when the outer ring is burnt by the small fire, the heating area is large, the heat dissipation capacity of flame is large, the energy efficiency is low, a lower temperature can be maintained for a heated object, the temperature cannot be raised, and the use experience of a user can be improved.

Also, for example, chinese patent document CN113819462a discloses a burner, an upper air intake burner and a gas stove, the burner includes an outer ring structure including an outer ring peripheral wall, an outer ring inner peripheral wall, a connection plate, an outer ring injection pipe and a baffle, the outer ring peripheral wall is arranged at the outer side of the outer ring inner peripheral wall in a spacer sleeve manner, the connection plate is arranged in a ring shape, the connection plate is connected between the outer ring peripheral wall and the outer ring inner peripheral wall, the baffle is arranged above a local position in the circumferential direction of the connection plate, and a premix chamber is formed between the baffle and the connection plate, between the outer ring peripheral wall and the outer ring inner peripheral wall. Through setting up the baffle in the top of connecting plate, form the premixing chamber with the partial space of connecting plate top, gas and air flow into premixing chamber from the gas outlet of outer loop injection pipe after preliminary mixing in outer loop injection pipe, after fully mixing in premixing chamber, the rethread outer loop mouth flows into in the outer loop distribution air flue, has guaranteed the combustion performance of combustor, simple structure, processing is convenient.

Regarding the patent documents disclosed and advertised corresponding to the IPC classification, the designer of the burner of the gas stove can see the intelligence of the kernel, and the convenience of the use of the stove is deeply improved due to the requirements of safety, energy conservation and environmental protection, and the thermodynamic efficiency of the gas is fully improved. However, the method is endless, how to improve the thermal efficiency of the fuel gas, further perfect the safety and environmental protection standardization of the stove burner, and still need to struggle.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a burner assembly of a burner, and the burner assembly in the burner can bring about the situation of large, medium and small fire fuel gas supply in the dynamic process of the burner, so that the fuel gas led into the burner is fully combusted, and the energy-saving and environment-friendly efficiency is improved.

The burner assembly comprises a dry combustion preventing probe, a heat insulating sheet, an inner ring fire cover, an outer ring fire cover, a burner body and a burner frame which are sequentially assembled, wherein a secondary air channel, an outer ring air climbing channel, an inner ring air and fuel gas mixing channel, a 360-degree epoxy supplementing channel, a suspension limiting ring, an air guide ring, a crescent nozzle protecting cover and a bell mouth injection pipe are arranged on the burner body, the secondary air channel is arranged between the outer ring air climbing channel and the inner ring air and fuel gas mixing channel, the 360-degree epoxy supplementing channel is arranged at the outer edge of the burner body and has a circumference smaller than that of the burner body, the air guide ring is arranged on one side face of the outer side of the burner body and has a circumference equal to that of the 360-degree epoxy supplementing channel, and the burner body is arranged on the burner frame.

Further, the dry combustion preventing probe comprises a probe with a heat-sensitive sensor, a probe rod, a probe fixing bolt and a probe anti-slip tenon riveting workpiece, and the dry combustion preventing probe is vertically arranged in the furnace end body and is flush with the heat insulation sheet.

Further, the heat insulation sheet body is provided with four outer ring baffle plates and four limit plates which are mutually opposite, a hollowed-out heat dissipation opening is arranged between every two outer ring baffle plates on the heat insulation sheet body, and the heat insulation sheet body is arranged on the inner ring fire cover.

Further, the inner ring fire cover is provided with a heat-insulating sheet limiting step, a fire stabilizing groove, a fire hole, an anti-overflow cap, an assembly step and a fire stabilizing hole, and the fire cover body is arranged on the outer ring fire cover.

Further, the outer ring fire cover is provided with a fire igniting groove, a fire hole, a fire stabilizing hole, an assembly step, an anti-overflow cap and a fire stabilizing groove on the fire cover body, and the fire cover body is arranged on the furnace end body.

Further, the fire hole is arranged on the fire cover body of the outer ring fire cover.

Compared with the prior art, the invention has the advantages that the combination of the dry-burning prevention probe and the heat insulation sheet solves the dry-burning problem of the burner when the unmanned aircraft is on duty, when the burner is dynamic, the secondary air channel, the outer ring air climbing channel, the inner ring air and gas mixing channel and the 360-degree epoxy supplementing channel which are arranged on the burner body can be mutually matched to promote the thermal effect of the burner, and the fire stabilizing grooves respectively arranged on the inner ring fire cover and the outer ring fire cover can fully realize the dynamic matching with the fire holes, thereby solving the problems of no flame separation and flying fire.

Compared with the prior art, the invention has the advantages that the bell-mouth injection pipe is respectively communicated with one outer ring air climbing channel, and the fuel gas and the air enter the inner part of the outer ring air climbing channel through the bell-mouth injection pipe after being mixed once, at the moment, the inner part of the outer ring air climbing channel is in a wavy structure so that the mixed gas flows annularly and continuously fluctuates along the wavy structure, thereby being beneficial to fully mixing the fuel gas and the air together and improving the combustion effect of the mixed gas.

Drawings

FIG. 1 is an exploded view of the overall structure of a burner assembly of a burner;

FIG. 2 is a schematic diagram of the overall structure of the dry-fire preventing probe in FIG. 1;

FIG. 3a is a schematic front view of the overall structure of the heat shield of FIG. 1;

FIG. 3b is a schematic view of the overall structure of the heat shield of FIG. 1;

FIG. 4a is a schematic front view of the overall structure of the inner ring fire cover of FIG. 1;

FIG. 4b is a schematic view of the overall structure of the inner ring fire cover of FIG. 1;

FIG. 5a is a schematic front view of the overall structure of the outer ring fire cover of FIG. 1;

FIG. 5b is a schematic view of the overall structure of the outer ring fire cover of FIG. 1;

FIG. 6a is a front view of the whole structure of the burner body of FIG. 1;

FIG. 6b is a schematic view of the burner body of FIG. 1;

Fig. 7 is a schematic view of the structure of the hob in fig. 1.

In the figure:

1-dry burning prevention probes, 11-probes, 12-probe rods, 13-probe fixing bolts and 14-probe anti-slip tenon riveting workpieces;

2-heat insulation sheets, 21-outer ring baffle sheets, 22-limit sheets and 23-hollowed heat dissipation openings;

3-inner ring fire cover, 31-heat insulating sheet limit step, 32-fire stabilizing groove, 33-fire hole, 34-anti-overflow cap, 35-assembly step and 36-fire stabilizing hole;

4-an outer ring fire cover, 41-a fire igniting groove, 42-a fire hole, 43-a fire stabilizing hole, 44-an assembly step, 45-an anti-overflow cap and 46-a fire stabilizing groove;

the air burner comprises a 5-burner body, a 51-secondary air channel, a 52-outer ring air climbing channel, a 53-inner ring air and fuel gas mixing channel, a 54-360-degree epoxy supplementing channel, a 55-suspension limiting ring, a 56-air guide ring, a 57-crescent nozzle protecting cover and a 58-bell mouth injection pipe;

6-a furnace frame.

Detailed Description

Referring to fig. 1, 5, 6a, 6b and 7, the present embodiment illustrates a burner suitable for kitchen ranges, and in particular, a burner assembly of a burner. The burner assembly is composed of an anti-dry-combustion probe 1, a heat insulation sheet 2, an inner ring fire cover 3, an outer ring fire cover 4, a burner body 5 and a burner frame 6 which are sequentially assembled, in order to reduce the gas consumption ratio of a burner to the minimum and improve the heat value effect under the dynamic condition of the burner, the embodiment emphasizes that a secondary air channel 51, an outer ring air climbing channel 52, an inner ring air and gas mixing channel 53, a 360-degree epoxy supplementing channel 54, a suspension limiting ring 55, an air guide ring 56, a crescent nozzle protecting cover 57 and a bell mouth injection pipe 58 are arranged on the burner body 5, so that the secondary air channel is arranged between the outer ring air climbing channel, the inner ring air and gas mixing channel, the 360-degree epoxy supplementing channel is arranged at the outer edge of the burner body, the circumference of the burner body is smaller than the circumference of the burner body, the air guide ring is arranged on one side of the outer side of the burner body, the circumference of the burner body is equal to the 360-degree epoxy supplementing channel, in practical example, the burner body 5 is arranged on the burner frame 6, and the burner body is designed to ensure that the optimal layout of the burner and the burner has the optimal combustion effect of the burner is achieved at the same time.

Referring to fig. 2, the contribution of the embodiment is also reflected in the structural design of the dry-burning prevention probe 1, the heat insulation sheet 2, the inner ring fire cover 3, the outer ring fire cover 4, the furnace end body 5 and the furnace frame 6. For example, the dry-burning prevention probe 1 is composed of a probe 11 with a heat-sensitive sensor, a probe rod 12, a probe fixing bolt 13 and a probe anti-slip tenon riveting workpiece 14. When no person keeps the pot, in order to prevent the pot on the stove from being burned, once the temperature of the pot bottom is 270 ℃ sensed by a heat-sensitive sensor arranged in the probe 11 (not shown), the probe rod 12 automatically stretches out and drives the heat-insulating sheet 2 to resist heat at the pot bottom, and the anti-burning probe is vertically arranged in the stove head body under the static condition and is flush with the heat-insulating sheet.

Referring to fig. 3a and 3b, an embodiment illustrates a heat shield 2 in a burner assembly. In practice, the heat-insulating sheet body is arranged on the inner ring fire cover 3, the heat-insulating sheet body is matched with a dry burning prevention probe, the limiting sheets 22 are limited at the height between the heat-insulating sheet body and the fire cover, when the dry burning prevention probe is started, the outer ring blocking sheets block fire holes on the fire cover, the heat of the fire cover is isolated by the heat-insulating sheet, and the heat of the fire cover is dissipated from the hollow heat dissipation holes, so that the bottom of the pot is not dry burned.

Referring to fig. 4a and 4b, an embodiment illustrates an inner ring fire cover 3 in a furnace end assembly, wherein a fire cover body is provided with a heat-insulating sheet limiting step 31, a fire stabilizing groove 32, a fire hole 33, an anti-overflow cap 34, an assembly step 35 and a fire stabilizing hole 36, in practice, the fire stabilizing groove is matched with the fire hole in angle, the conditions of flying fire and flame separation occurring during the combustion of the furnace end can be effectively prevented, the anti-overflow cap can prevent the fire of the burst cooking liquor, and the heat-insulating sheet limiting step and the assembly step are special stations for being matched with heat-insulating sheets and enable the fire cover body to accurately fall onto the outer ring fire cover.

Referring to fig. 5a and 5b, an embodiment illustrates an outer ring fire cover 4 in a burner assembly, wherein a fire igniting groove 41, a fire hole 42, a fire stabilizing hole 43, an assembling step 44, an anti-overflow cap 45 and a fire stabilizing groove 46 are arranged on a fire cover body, the functions of the functional components are similar to those of an inner ring fire cover upper component, and the embodiment is not repeated, and in practice, the fire cover body is directly arranged on the burner body.

Referring to fig. 6a and 6b, in the embodiment, the bell-mouth injection pipe 58 is respectively communicated with one outer ring air climbing channel 52, and after primary mixing, the fuel gas and the air enter the inner part of the outer ring air climbing channel 52 through the bell-mouth injection pipe 58, and at this time, the inner part of the outer ring air climbing channel 52 is in a wavy structure, so that the mixed gas flows in a ring shape and continuously fluctuates along the wavy structure, thereby being beneficial to fully mixing the fuel gas and the air together, and improving the combustion effect of the mixed gas.

In summary, the invention is described by way of an expanded view and by way of an embodiment, and details the structural features of the burner assembly of the burner. In reality, from the perspective of mass production of products, the technical scheme can provide a truly and favorable reference and reference for building industry standards.

Claims

1. A burner head assembly of a burner, which is composed of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a burner head body, and a grate, which are assembled in sequence, and is characterized in that the burner head body is provided with a secondary air channel, an outer ring air climbing channel, an inner ring air and gas mixing channel, a 360° epoxy filling, a suspension limit ring, an air guide ring, a crescent nozzle protection cover, and a bell-mouth ejector pipe, wherein the secondary air channel is arranged between the outer ring air climbing channel and the inner ring air and gas mixing channel, and the 360° epoxy filling is arranged at The outer edge of the burner body, and its circumference is smaller than that of the burner body; and, the air guide ring is arranged on an outer side of the burner body, and its circumference is equal to the 360° epoxy filler; the heat insulation plate has four outer ring baffles and four limit plates opposing each other on its body, and a hollow heat dissipation port is provided between every two outer ring baffles on the heat insulation plate body; the outer ring fire cover has fire holes arranged on its fire cover body; the burner body is arranged on the furnace frame; the interior of the outer ring air climbing channel has a wavy structure.