CN114543090A - Furnace end assembly of combustor - Google Patents

Abstract

The invention relates to a burner assembly of a burner, which consists of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a burner body and a burner frame which are assembled in sequence, wherein a secondary air channel, an outer ring air climbing channel, an inner ring air and fuel gas mixing channel, a 360-degree epoxy supplementary channel, a suspension limiting ring, an air guide ring, a crescent nozzle protective 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 supplementary channel is arranged at the outer edge of the burner body, and the circumference of the burner is smaller than the circumference of the burner body; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; the furnace end body is arranged on the furnace frame. The consumption of gas can be greatly reduced when the furnace end assembly is dynamic.

Description

Furnace end assembly of combustor

Technical Field

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

Background

With the increasing awareness of safety, energy saving and environmental protection and the change of fuel types, the structural innovation of the burner of the kitchen stove combustion device is also a layer of unconsciousness.

For example, chinese patent document CN113883514A discloses an upper air inlet furnace head, which includes a furnace head seat, a central injection pipe (13), an outer injection pipe (14), a central nozzle (7), and an outer nozzle (9), wherein the air inlet end of the central injection pipe (13) and the air inlet end of the outer injection pipe (14) are both made into flared openings, the furnace head seat is in a round cup shape, and is formed by drawing a metal plate, and includes an annular side plate (6) and a circular bottom plate (21) connected with the annular side plate, one side part of the side plate (6) is processed to form a relatively flat installation part (8), the installation part (8) is provided with an a hole (111) and a hole (112) B, the bottom plate (21) is provided with a central injection pipe groove (28) and an outer injection pipe groove (27), so that 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 injection pipe groove (27), and the central injection pipe (13) and the outer injection pipe (14) are respectively welded with the bottom plate (21), the central nozzle (7) is in threaded connection with the mounting part (8) through the hole A (111), the outer nozzle (9) is in threaded connection with the mounting part (8) through the hole B (112), the air outlet hole of the air outlet end of the central nozzle (7) is aligned with the center of the air inlet hole 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 center of the air inlet hole of the air inlet end of the outer injection pipe (14), the bottom plate (21) is provided with a C hole (34) which penetrates through a lead wire of an ignition needle (2) or a thermocouple (4) and a D hole (35) which penetrates through a lead wire of a thermocouple (4) or a lead wire of an ignition needle (2), the soup plate positioning ring comprises a mounting plate (22), a plurality of connecting plates (23) and an annular outer ring (19) which are connected with each other, the outer edge of the outer ring is processed into a flanging (20), the mounting plate (22) is provided with a central injection pipe through hole (26), an ignition needle through hole (24) and a thermocouple through hole (25), the mounting plate (22) comprises a circular main plate part (12) and an outer ring part (29) which is connected with the main plate part in a same body, the main plate part (12) slightly protrudes upwards than the outer ring part (29), the outer edge of the outer ring part is connected with the connecting plates (23), the annular flanging (20) of the outer ring (19) is sleeved on the upper end of the side plate (6) and enables the soup plate positioning ring to be welded with the furnace head seat, so that the air outlet end of the central injection pipe (13) penetrates through the central injection pipe through hole (26), the upper end of the ignition needle (2) penetrates through the ignition needle through hole (24), and the upper end of the thermocouple (4) penetrates through the thermocouple through hole (25). The utility model has the advantages of simple structure, pleasing to the eye, easy clean, and easily installation of this application make the material cost and the processing cost of furnace end and combustor reduce, and combustion efficiency improves, and the combustor respectively forms a set of or two sets of flame rings on outer distributor and interior distributor usually when burning, makes the pan of arranging on it be heated more evenly, makes heating efficiency improve.

For another example, chinese patent document CN113623647A discloses a three-ring fire distribution plate and a burner, where the distribution plate includes an inner ring hole for accommodating a central air outlet of a burner, a plurality of outer ring air inlet channels disposed at an outer ring side of the inner ring hole, an outer ring gas groove disposed at an outer ring side of the outer ring air inlet channel, a plurality of communication channels for communicating the outer ring gas groove with the plurality of outer ring air inlet channels, a plurality of inner ring air inlet channels disposed between the outer ring gas groove and the outer ring air inlet channel, and a plurality of secondary air inlet through holes disposed on a sidewall of the inner ring hole, and the inner ring hole, the outer ring gas groove, the inner ring air inlet channel, and the outer ring air inlet channel are concentrically disposed. The burner comprises the gas distribution disc and a burner matched with the gas distribution disc. This have and form outer ring fire with the inner ring gas drainage of furnace end to distributor outer loop burning, reduce the volume of furnace end when raising the thermal efficiency to have characteristics that workable, leakproofness are good, and then reduce the effect of combustor overall cost.

As another example, the chinese patent document C N215675193U discloses a fire cover and a burner having the same, the fire cover is formed in an annular shape, a large fire hole for providing a large fire and a small fire hole for providing a small fire are provided on the fire cover, the large fire hole and the small fire hole are both provided along a circumferential direction of the fire cover, and the large fire hole and the small fire hole are arranged to form an outer ring emitting the small fire and an inner ring emitting the large fire. The utility model discloses a fire lid through arranging the big fire hole and the little fire hole that cover the annular fire to be suitable for the outer loop to go out little fire and the inner loop goes out big fire, when making the burning of the little fire of outer loop, the area of heating is big, and the heat dissipation capacity of flame is big, and the efficiency is low, can maintain a lower temperature and can not heat up to the object of being heated to user's use experience can be improved.

For example, chinese patent document CN113819462A discloses a burner, an upper inlet burner and a gas stove, where the burner includes an outer ring structure, and the outer ring structure includes an outer ring peripheral wall, an outer ring inner peripheral wall, a connecting plate, an outer ring injection pipe and a baffle plate; the outer loop periphery wall spacer sleeve is established in the outside of outer loop internal perisporium, and the connecting plate is cyclic annular setting, and the connecting plate is connected between outer loop periphery wall and outer loop internal perisporium, is provided with the baffle in the top of the local position of the circumference of connecting plate, and forms between baffle and connecting plate, outer loop periphery wall and the outer loop internal perisporium and mix the chamber in advance. Through setting up the baffle in the top of connecting plate, form the chamber in advance with the partial space of connecting plate top, gas and air draw the gas outlet inflow of penetrating the pipe from the outer loop after penetrating intraductal preliminary mixing outside the ring and premix the chamber, carry out the intensive mixing back in premixing the intracavity, in the outer loop distribution air flue is flowed into to the rethread outer loop mouth of flowing in, guaranteed the combustion performance of combustor, simple structure, processing is convenient.

As for the patent documents disclosed and announced by the IPC classification, the designers of the gas stove burner can see the intelligence of the people who see the intelligence, and the respective needs are that the convenience of using the stove is deeply expanded and the thermal efficiency of the gas is fully improved due to the requirements of safety, energy conservation and environmental protection. However, there is no way to improve the thermal efficiency of the fuel gas, and further improve the safety and environmental standardization of the stove burner, and efforts are still needed.

Disclosure of Invention

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

Therefore, the technical scheme for solving the problems is as follows: a burner head assembly of a burner is composed of an anti-dry-combustion probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a burner head body and a burner frame which are assembled in sequence, wherein a secondary air channel, an outer ring air climbing channel, an inner ring air and fuel gas mixing channel, a 360-degree epoxy supplementary channel, a suspension limiting ring, an air guide ring, a crescent nozzle protective cover and a bell mouth ejector pipe are arranged on the burner head 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 supplementary channel is arranged at the outer edge of the burner head body, and the perimeter of the 360-degree epoxy supplementary channel is smaller than the perimeter of the burner head body; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; the furnace end body is arranged on the furnace frame.

Furthermore, the anti-dry-burning probe is composed of a probe with a thermal sensor, a probe rod, a probe fixing bolt and a probe anti-slip tenon riveting workpiece, the anti-dry-burning probe is vertically arranged in the furnace end body, and the probe is flush with the heat insulation sheet.

Furthermore, the body of the heat insulation sheet is provided with four outer ring blocking pieces and four limiting pieces which are opposite to each other, and a hollowed-out heat dissipation opening is formed between every two outer ring blocking pieces on the body of the heat insulation sheet; the heat insulation sheet body is arranged on the inner ring fire cover.

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

Further, outer loop fire lid, its fire lid body is equipped with ignition groove, fire hole, steady fire hole, assembly step, anti-overflow and steep cap, steady fire groove, the fire lid body sets up on the furnace end body.

Furthermore, the fire cover body of the outer ring fire cover is provided with fire holes.

Compared with the prior art, the invention has the following positive effects: the combination of the dry burning prevention probe and the heat insulation sheet solves the problem of dry burning of the burner when no one is on duty; when the burner is dynamic, a secondary air channel, an outer ring air climbing channel, an inner ring air and fuel gas mixing channel and a 360-degree epoxy supplementing channel which are arranged on the burner body can be matched with each other to improve the heat effect of the burner; the fire stabilizing grooves respectively arranged on the inner and outer fire covers can fully realize dynamic matching with the fire holes, and the problems of no flame separation and fire flying are solved.

Compared with the prior art, the invention has the following positive effects: the bell mouth draws penetrates the pipe and communicates with an outer loop air climbing passageway respectively, and inside gas and air once mixed the back through the bell mouth draw penetrate the pipe get into outer loop air climbing passageway, because the inside wavy structure that is of outer loop air climbing passageway makes the mist be cyclic annular flow and follow wavy structure and constantly fluctuate this moment to be favorable to making gas and air fully mix together, thereby improve the combustion effect of mist.

Drawings

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

FIG. 2 is a schematic diagram of the overall structure of the anti-dry heating probe of FIG. 1;

FIG. 3a is a schematic front view of the overall structure of the thermal barrier sheet of FIG. 1;

FIG. 3b is a schematic view of the opposite side of the overall structure of the thermal shield of FIG. 1;

FIG. 4a is a front view of the inner fire cover of FIG. 1;

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

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

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

fig. 6a is a front view of the overall structure of the burner body in fig. 1;

fig. 6b is a schematic view of the burner body of fig. 1 on the reverse side;

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

In the figure:

1-dry burning prevention probe, 11-probe, 12-probe rod, 13-probe fixing bolt and 14-probe anti-slip tenon riveting workpiece;

2-heat insulation sheet, 21-outer ring baffle sheet, 22-limiting sheet and 23-hollowed radiating hole;

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

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

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

6-furnace frame.

Detailed Description

Referring to fig. 1, 5, 6a, 6b and 7, the present embodiment is a burner suitable for a kitchen range, and more particularly, a burner assembly of a burner. The burner assembly is composed of an anti-dry burning 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 assembled in sequence, in order to reduce the fuel gas consumption ratio of a burner to the lowest and improve the heat value effect under the dynamic condition of the burner, the design that a secondary air channel 51, an outer ring air climbing channel 52, an inner ring air and fuel 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 is emphasized in the embodiment; therefore, the secondary air channel in the embodiment 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 furnace end body, and the circumference of the 360-degree epoxy supplementing channel is smaller than that of the furnace end body; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; in practice, the burner body 5 in this example is arranged on said hob 6; by the design, the compact layout of the furnace end body is realized, the abundant oxygen mixing between the furnace end assembly and the combustor is ensured, and the thermal effect of the combustor reaches the optimal level.

Referring to fig. 2, the contribution of the present 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 pin 13, and a probe slip-proof caulking piece 14. When the pan is unattended, in order to prevent the pan on the stove from being dried, once a heat-sensitive sensor (not shown) arranged in the probe 11 senses that the temperature of the pan bottom reaches 270 ℃, the probe rod 12 automatically extends out and drives the heat insulation sheet 2 to resist heat on the pan bottom; the anti-dry heating probe is vertically arranged in the furnace end body under the static condition, and the probe is parallel and level with the heat insulation sheet.

Referring to fig. 3a and 3b, the embodiment of the heat shield 2 in the burner assembly is shown. In practice, the body is provided with four outer ring blocking pieces 21 and four limiting pieces 22 which are opposite to each other, and a hollow heat dissipation opening 23 is arranged between every two outer ring blocking pieces on the heat insulation piece body; the heat insulation sheet body is arranged on the inner ring fire cover 3; in practice, the heat insulation sheet is used for matching with dry burning prevention of the dry burning prevention probe, the limiting sheet 22 is limited at the height between the limiting sheet and the fire cover, when the dry burning prevention probe is started, the outer ring blocking sheet blocks the fire hole on the fire cover, the heat insulation sheet isolates the heat of the fire cover, and the heat of the fire cover is dissipated from the hollowed-out heat dissipation port, so that the bottom of the pot is prevented from being dried.

Referring to fig. 4a and 4b, the embodiment is an inner ring fire cover 3 in a burner assembly, and a fire cover body of the inner ring fire cover is provided with a heat insulation sheet limiting step 31, a fire stabilizing groove 32, a fire hole 33, an anti-overflow cap 34, an assembling step 35 and a fire stabilizing hole 36; in practice, the angle of the fire stabilizing groove is matched with that of the fire hole, so that the conditions of fire flying and flame leaving during combustion of the burner can be effectively prevented; the anti-overflow cap can prevent the pot-protruding soup from being burnt; the heat insulation sheet limiting step and the assembling step are special stations used for matching with the heat insulation sheet, and the fire cover body can accurately fall onto the outer fire cover.

Referring to fig. 5a and 5b, the outer ring fire cover 4 in the furnace end assembly is provided with a fire guiding 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; the function of the functional components is similar to that of the inner ring fire cover upper component, and the description is omitted in the embodiment; in practice, the fire cover body is directly arranged on the furnace end body.

Referring to fig. 6a and 6b, the embodiment is that the bell mouth draws the ejector pipe 58 to communicate with an outer ring air climbing passageway 52 respectively, and inside gas and air once mixed draws the ejector pipe 58 to get into outer ring air climbing passageway 52 through the bell mouth, because the outer ring air climbing passageway 52 is inside to be the wavy structure and makes the mist be cyclic annular flow and along wavy structure and constantly undulate this moment to be favorable to making gas and air fully mix together, thereby improve the combustion effect of mist.

In summary, the present invention provides the structural features of the burner assembly of the burner in detail through the way of expanding the drawings and the description of the embodiments. In reality, from the perspective of mass production of products, the above technical solutions can provide practical and beneficial reference and reference for industry standards.

Claims (6)

1. A burner head assembly of a burner, by the dry combustion prevention probe, heat insulating sheet, inner ring fire cover, outer ring fire cover, burner head body, stove frame that are assembled sequentially, characterized by that, there are secondary air channel, outer ring air climbing channel, inner ring air and fuel gas mixing channel, 360 degrees epoxy supplementary road, suspend spacing collar, air deflector ring, crescent nozzle protective cover, bell mouth ejector pipe on its burner head body, wherein, the said secondary air channel is set up in the outer ring air climbing channel, inner ring air and fuel gas mixing channel, the said 360 degrees epoxy supplementary road is set up in the outer fringe of the said burner head body, and its girth is smaller than the body girth of burner; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; the furnace end body is arranged on the furnace frame.

2. The burner head assembly of claim 1, wherein the anti-dry heating probe comprises a probe with a thermal sensor, a probe rod, a probe fixing bolt, and a probe anti-slip rivet, and is vertically disposed in the burner body, and the probe is flush with the heat insulation sheet.

3. The burner head assembly of a burner according to claim 1, wherein the body of the heat shield has four outer ring retaining pieces and four limiting pieces opposite to each other, and a hollowed-out heat dissipation opening is formed between every two outer ring retaining pieces on the body of the heat shield; the heat insulation sheet body is arranged on the inner ring fire cover.

4. The burner assembly of claim 1, wherein the inner ring fire cover has a fire cover body with a heat shield retaining 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 disposed on the outer ring fire cover.

5. The burner head assembly of a burner as recited in claim 1, wherein the outer ring fire cover has a fire guiding groove, a fire hole, a fire stabilizing hole, an assembling step, an anti-overflow cap, and a fire stabilizing groove on the fire cover body, and the fire cover body is disposed on the burner head body.

6. The burner assembly of claim 5, wherein the outer fire cover has fire holes formed in a fire cover body.

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