CN216814164U - Furnace end base and upper air inlet burner - Google Patents

Abstract

The utility model provides a furnace end base and an upper air inlet burner. The furnace end base comprises a base main body and a chassis; the base main body is provided with an outer ring injection pipe upper part, an inner ring injection pipe upper part, a base outer ring air passage and a base inner ring air passage; an outer ring air inlet and an inner ring air inlet are formed in the base plate, and the connecting surface of the base plate and the base main body is a plane; the upper part of the outer ring injection pipe is arranged on the base body to form an outer ring injection pipe, and the upper part of the inner ring injection pipe is arranged on the base body to form an inner ring injection pipe. The outer ring is arranged on a base body of the furnace end base, the upper portion of the injection pipe and the upper portion of the inner ring is arranged on the base body of the furnace end base, the upper portion of the injection pipe is connected with the base plate through the outer ring to form the outer ring injection pipe, the upper portion of the inner ring injection pipe is connected with the base plate to form the inner ring injection pipe, and the thickness of the furnace end base is greatly reduced.

Description

Furnace end base and upper air inlet burner

Technical Field

The utility model relates to the field of kitchen utensils, in particular to a furnace end base and an upper air inlet burner.

Background

The burner with complete upper air intake is introduced into the domestic gas stove from Europe in the nineties, and the gas stove provided with the burner with upper air intake has many advantages, such as that the primary air and the secondary air required by the burner with complete upper air intake are both from the upper part of the stove panel, therefore, the bottom case of the gas cooker can be made into a totally-enclosed structure without opening a ventilation opening on the cabinet, and compared with the traditional burner with a lower air inlet structure, the burner with the complete upper air inlet structure is safer to use, but, because the upper air inlet burner is limited by the structure, the ejector pipe of the burner is relatively short, so that the heat load of the upper air inlet burner is relatively small, and the domestic Chinese food cooking fierce fire is fried by explosion and needs a burner with larger load, so that the domestic development of the gas cooker of the upper air inlet burner is limited, if the length of the injection pipe is simply increased to increase the heat load of the upper air inlet burner, the thickness of the upper air inlet burner can be increased, and the negative effects of uneven air inlet premixing and the like can be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a furnace end base, wherein the upper part of an outer ring injection pipe and the upper part of an inner ring injection pipe are arranged on a base body of the furnace end base, the upper part of the outer ring injection pipe is connected with a chassis to form the outer ring injection pipe, the upper part of the inner ring injection pipe is connected with the chassis to form the inner ring injection pipe, and the thickness of the furnace end base is greatly reduced.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the present invention, there is provided a burner base comprising a base body and a chassis. The base body is provided with an outer ring injection pipe upper part, an inner ring injection pipe upper part, a base outer ring air passage and a base inner ring air passage, the outer ring injection pipe upper part is communicated with the base outer ring air passage, and the inner ring injection pipe upper part is communicated with the base inner ring air passage; an outer ring air inlet and an inner ring air inlet are formed in the base plate, and the connecting surface of the base plate and the base main body is a plane; the outer ring penetrates the upper portion of the injection pipe and is installed on the base body to form an outer ring injection pipe, the inner ring penetrates the upper portion of the injection pipe and is installed on the base body to form an inner ring injection pipe, the outer ring injection pipe is communicated with the air supply pipeline through the outer ring air inlet, and the inner ring injection pipe is communicated with the air supply pipeline through the inner ring air inlet.

According to an embodiment of the present invention, the number of the upper portions of the outer ring injection pipes is three, the outer ring injection pipes are annularly arranged on the base main body at equal intervals, and the axes of the outer ring injection pipes are all spirally extended from the outer periphery of the base main body to the center of the base main body and enter the outer ring air passage of the base.

According to an embodiment of the utility model, an inner ring gas channel and an outer ring gas channel are arranged on the bottom surface of the chassis far away from the base body, the inner ring gas inlets are arranged on the inner ring gas channel, the outer ring gas channels are arranged along the circumferential direction of the chassis, the number of the outer ring gas inlets is three, the outer ring gas inlets are arranged on the outer ring gas channels at equal intervals, and the outer ring gas inlets face the inlet of the outer ring injection pipe.

According to an embodiment of the utility model, the burner base further includes an inner ring gas nozzle and an outer ring gas nozzle for primary gas mixing, the inner ring injection pipe is communicated with the inner ring gas channel through the inner ring gas nozzle via the inner ring gas inlet, and the outer ring injection pipe is communicated with the outer ring gas channel through the outer ring gas nozzle via the outer ring gas inlet.

According to another aspect of the present invention, an upper intake air burner is provided. Go up air inlet burner includes aforementioned furnace end base, gas-distributing disk subassembly and fire lid subassembly. The air distribution disc assembly comprises an air distribution disc main body connected to the base main body, the air distribution disc main body is provided with an air distribution disc outer ring premixing chamber and an air distribution disc inner ring air passage, the air distribution disc outer ring premixing chamber is communicated with the base outer ring air passage, and the air distribution disc inner ring air passage is communicated with the base inner ring air passage; the fire lid subassembly is including outer fire lid and interior fire lid, outer fire lid is located divide the top of gas dish outer loop to mix the chamber in advance and seted up outer fire hole along its circumference, interior fire lid is located divide gas dish inner ring air flue and seted up interior fire hole along its circumference.

According to an embodiment of the utility model, the outer fire holes are arranged along the axial direction of the outer fire cover to form a honeycomb-shaped combustion net, and the combustion net cover is arranged at the top of the outer ring premixing chamber of the gas distribution plate.

According to an embodiment of the present invention, the number of the air distribution disk outer ring premixing chambers is three, and the air distribution disk outer ring premixing chambers are arranged at intervals along the circumferential direction of the air distribution disk main body, and the air distribution disk outer ring premixing chambers are respectively in a spiral trumpet shape and extend from the center of the air distribution disk main body to the edge of the air distribution disk main body.

According to an embodiment of the utility model, the air distribution plate assembly further comprises a flow equalizing plate arranged in the premixing chamber at intervals outside the air distribution plate, and the flow equalizing plate extends from the center of the air distribution plate main body to the edge of the air distribution plate main body.

According to an embodiment of the utility model, the gas distribution disc assembly further comprises a flow distribution disc clamped between the combustion net and the gas distribution disc main body, and the flow distribution disc is connected to the gas distribution disc main body and is provided with through holes at intervals.

According to an embodiment of the present invention, the upper air inlet burner further includes a central air inlet pipe or an anti-dry heating device, the furnace end base and the air distribution plate assembly are respectively provided with a mounting hole at the center, and the central air inlet pipe or the anti-dry heating device is arranged in the mounting hole.

According to an embodiment of the present invention, a central gas channel is disposed on the chassis, and the central gas inlet pipe is communicated with the gas supply pipeline through the central gas channel.

One embodiment of the present invention has the following advantages or benefits:

the base body of the furnace end base is provided with the upper part of the outer ring injection pipe and the upper part of the inner ring injection pipe, the upper part of the outer ring injection pipe is connected with the base plate to form the outer ring injection pipe, and the upper part of the inner ring injection pipe is connected with the base plate to form the inner ring injection pipe, so that the thickness of the furnace end base is greatly reduced. Three outer loop draws and penetrates pipe upper portion equidistant setting in base main part and be the heliciform along base main part's radial extension, has increased the heat load of combustor for the burning is more stable, can also match polytype branch gas disk subassembly, forms the last air inlet burner of different grade type.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a bottom view of a burner base according to an exemplary embodiment.

FIG. 2 is a perspective view of an upper intake air burner shown according to an exemplary embodiment.

FIG. 3 is a partial cross-sectional view of an upper intake burner shown according to an exemplary embodiment.

FIG. 4 is a partial sectional view of a top intake burner shown in accordance with an exemplary embodiment.

FIG. 5 is an exploded view of an upper inlet air burner shown in accordance with an exemplary embodiment.

FIG. 6 is a perspective view of another upper intake air burner shown in accordance with an exemplary embodiment.

FIG. 7 is a partial cross-sectional view of another top intake burner, according to an exemplary embodiment.

FIG. 8 is a partial sectional view of another top intake burner shown in accordance with an exemplary embodiment.

Fig. 9 is an exploded view of another top intake air burner shown in accordance with an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a base body; 11. the upper part of the outer ring injection pipe; 12. the upper part of the inner ring injection pipe; 13. a base outer ring air passage; 14. the air passage is arranged in the base; 2. a chassis; 21. an outer ring air inlet; 22. an inner ring air inlet; 23. an inner ring gas channel; 24. an outer ring gas channel; 25. a central gas channel; 31. an inner ring gas nozzle; 32. an outer ring gas nozzle; 4. a gas-distributing disc assembly; 41. a gas distribution plate main body; 411. an outer ring premixing chamber of the gas distribution plate; 412. the air distribution plate is internally provided with an annular air passage; 42. a uniform flow plate; 43. a flow homogenizing disc; 431. a through hole; 5. a fire cover assembly; 51. an outer fire cover; 511. an outer fire hole; 512. a combustion net; 52. an inner fire cover; 521. an inner fire hole; 6. a central air inlet pipe.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a", "an", "the", "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 9, fig. 1 shows a bottom view of a base of a burner provided by the present invention. Fig. 2 shows a perspective view of an upper intake burner provided by the present invention. Fig. 3 shows a partial sectional view of an upper air inlet burner provided by the present invention. Fig. 4 shows a partial sectional view of an upper intake air burner according to the present invention. Fig. 5 shows an exploded view of an upper intake burner provided by the present invention. Fig. 6 shows a perspective view of another upper intake air burner provided by the present invention. Fig. 7 shows a partial sectional view of another upper intake burner provided by the present invention. Fig. 8 shows a partial sectional view of another upper intake burner provided by the present invention. Fig. 9 shows an exploded view of another upper inlet air burner provided by the present invention.

The furnace end base of the embodiment of the utility model comprises a base body 1 and a chassis 2. The base main body 1 is provided with an outer ring injection pipe upper part 11, an inner ring injection pipe upper part 12, a base outer ring air passage 13 and a base inner ring air passage 14, the outer ring injection pipe upper part 11 is communicated with the base outer ring air passage 13, and the inner ring injection pipe upper part 12 is communicated with the base inner ring air passage 14; an outer ring air inlet 21 and an inner ring air inlet 22 are arranged on the chassis 2, and the connection surface of the chassis 2 and the base main body 1 is a plane; the outer ring injection pipe upper portion 11 is installed on the base body 1 to form an outer ring injection pipe, the inner ring injection pipe upper portion 12 is installed on the base body 1 to form an inner ring injection pipe, the outer ring injection pipe is communicated with the air supply pipeline through the outer ring air inlet 21, and the inner ring injection pipe is communicated with the air supply pipeline through the inner ring air inlet 22.

Wherein, the outer loop draws and penetrates pipe upper portion 11 and inner ring and draw and penetrate pipe upper portion 12 and upwards protruding by base main part 1 respectively, chassis 2's top surface is the plane, chassis 2 draws and penetrates pipe 11 corresponding position department at the outer loop and form the outer loop and draw and penetrate the pipe lower part, draw and penetrate pipe upper portion 12 and correspond position department at the inner ring and form the inner ring and draw and penetrate the pipe lower part, just formed the outer loop respectively and draw and penetrate pipe and inner ring and draw and penetrate the pipe after base main part 1 lid closes chassis 2, the inner ring has been reduced greatly and has been drawn and penetrate the required space of pipe with the outer loop and draw, furnace end base's thickness has been reduced, and then the thickness of going up the air inlet burner has been reduced. An outer ring air inlet 21 and an inner ring air inlet 22 are respectively arranged on a base plate 2, wherein the outer ring air inlet 21 is communicated with the air inlet end of an outer ring injection pipe, the inner ring air inlet 22 is communicated with the air inlet end of an inner ring injection pipe, one path of gas enters the inner ring injection pipe after being mixed with air at the inner ring air inlet 22 and then enters a base inner ring air passage 14, the other path of gas enters the outer ring injection pipe after being mixed with air at the outer ring air inlet 21 and then enters a base outer ring air passage 13, the interchangeability of a furnace end base is improved, different types of upper air inlet burners can be formed by the furnace end base and different air distribution disc components 4, the cost is saved, and the production efficiency is improved.

In a preferred embodiment of the present invention, three upper portions 11 of the outer ring injection pipes are provided, and are annularly provided on the base main body 1 at equal intervals, and the outer ring injection pipes are all spirally extended from the outer periphery of the base main body 1 to the center of the base main body 1 and enter the base outer ring air passage 13.

As shown in fig. 5 and fig. 9, the equidistant ring of three outer loop injection pipe upper portion 11 is located on base body 1, three outer loop injection pipe upper portion 11's axis inner is 120 interval rings promptly and locates on the outer loop air flue and communicate with the outer loop air flue respectively for the outer loop air flue can draw the even simultaneous air admission of pipe through three outer loop, it is more even to admit air in advance, three outer loop injection pipe's axis is the heliciform simultaneously, the length that the outer loop injected the pipe has been increased, and then the high-efficient heavy load's of burner result of use of going up the air is realized. The outer side air inlet end of the outer ring injection pipe is communicated with the outer ring gas channel 24 through an outer ring gas nozzle 32, the inner side air outlet end of the outer ring injection pipe is communicated with the outer ring gas channel 13 of the base, the outer side air inlet end of the inner ring injection pipe is communicated with the inner ring gas channel 23 through an inner ring gas nozzle 31, and the inner side air outlet end of the inner ring injection pipe is communicated with the inner ring gas channel 14 of the base.

Preferably, one inner ring ejector pipe is arranged between two outer ring ejector pipes, the axis of the inner ring ejector pipe is also spiral, and the inner ring ejector pipe extends from the outer periphery of the base main body 1 to the center of the base main body 1 to enter the base inner ring air passage 14 so as to increase the heat load of inner ring fire of the combustor.

In a preferred embodiment of the utility model, an inner ring gas channel 23 and an outer ring gas channel 24 are arranged on the bottom surface of the chassis 2 far away from the base body 1, the inner ring gas inlets 22 are arranged on the inner ring gas channel 23, the inner ring gas inlets 22 are opposite to the inlets of the inner ring ejector pipes, the outer ring gas channels 24 are arranged along the circumferential direction of the chassis 2, the number of the outer ring gas inlets 21 is three, the outer ring gas inlets are arranged on the outer ring gas channel 24 at equal intervals, and the outer ring gas inlets (21) are opposite to the inlets of the outer ring ejector pipes.

As shown in fig. 1, 5 and 9, the outer ring gas channel 24 is arranged along the circumferential direction of the chassis 2, and may be formed by sequentially connecting three linear gas channels or may be formed by connecting one circular gas channel, in consideration of the manufacturing process, the present invention adopts the sequential connection of three linear gas channels, three outer ring gas inlets 21 are arranged at the outer ring gas channel 24 at intervals, so that the gas inlets of the three outer ring injection pipes are communicated with the outer ring gas channel 24 through the outer ring gas inlets 21, and the gas outlets of the three outer ring injection pipes are communicated with the outer ring gas channel, when gas flows in the outer ring gas channel 24, a part of gas enters one outer ring injection pipe through one outer ring gas inlet 21, and is simultaneously introduced into the outer ring gas channel through the three outer ring injection pipes, thereby ensuring the combustion stability of the combustor.

In a preferred embodiment of the present invention, the burner base further includes an inner ring gas nozzle 31 and an outer ring gas nozzle 32 for primary gas mixing, the inner ring injection pipe is communicated with the inner ring gas channel 23 through the inner ring gas nozzle 31 via the inner ring gas inlet 22, and the outer ring injection pipe is communicated with the outer ring gas channel 24 through the outer ring gas nozzle 32 via the outer ring gas inlet 21.

As shown in fig. 3 to 5 and 7 to 9, an inner ring gas nozzle 31 is disposed at an air inlet end of the inner ring injection pipe, outer ring gas nozzles 32 are disposed at air inlet ends of three outer ring injection pipes, air inlets are disposed at equal intervals along the circumferential direction of the side wall of the inner ring gas nozzle 31, a certain amount of air and gas can be sucked by negative pressure caused by gas flowing inside the inner ring gas nozzle 31 to be mixed for one time and then enter the inner ring injection pipe, air inlets are disposed at equal intervals along the circumferential direction of the side wall of the outer ring gas nozzle 32, and a certain amount of air and gas can be sucked by negative pressure caused by gas flowing inside the outer ring gas nozzle 32 to be mixed for one time and then enter the outer ring injection pipe.

The base body 1 of the burner base is provided with the outer ring injection pipe upper part 11 and the inner ring injection pipe upper part 12, the outer ring injection pipe is formed by connecting the outer ring injection pipe upper part 11 and the chassis 2, the inner ring injection pipe upper part 12 and the chassis 2 are connected to form the inner ring injection pipe, the thickness of the burner base is greatly reduced, the chassis 2 can be further provided with the inner ring gas channel 23 and the outer ring gas channel 24, the outer ring gas channels are arranged at the outer ring gas channel 24 at intervals through the outer ring gas inlets 21, so that gas can enter the outer ring injection pipe through the three outer ring gas inlets 21, and the uniformity of the gas entering the outer ring gas channel 13 of the base through the outer ring injection pipe is improved. Three outer loop draws and penetrates pipe upper portion 11 equidistant setting on base main part 1 and radially be the heliciform extension along base main part 1 for the outer loop draws the length increase of penetrating the pipe, and then has increased the heat load of combustor, makes the burning more stable, can also match polytype minute gas dish subassembly 4, forms the last air inlet burner of different grade type.

The upper air inlet burner comprises the furnace end base, the air distribution plate assembly 4 and the fire cover assembly 5. The air distribution disc assembly 4 comprises an air distribution disc main body 41 connected to the base main body 1, the air distribution disc main body 41 is provided with an air distribution disc outer ring premixing chamber 411 and an air distribution disc inner ring air passage 412, the air distribution disc outer ring premixing chamber 411 is communicated with the base outer ring air passage 13, and the air distribution disc inner ring air passage 412 is communicated with the base inner ring air passage 14; the fire cover assembly 5 comprises an outer fire cover 51 and an inner fire cover 52, the outer fire cover 51 is covered on the top of the premixing chamber 411 of the outer ring of the gas distribution plate and is provided with an outer fire hole 511 along the circumferential direction, and the inner fire cover 52 is covered on the air passage 412 of the inner ring of the gas distribution plate and is provided with an inner fire hole 521 along the circumferential direction.

As shown in fig. 2 to 5, after the air distributor main body 41 is connected to the base main body 1, the air distributor outer ring premixing chamber 411 is communicated with the base outer ring air passage 13, the air distributor inner ring air passage 412 is communicated with the base inner ring air passage 14, the gas in the base inner ring air passage 14 and the base outer ring air passage 13 is respectively introduced into the air distributor inner ring air passage 412 and the air distributor outer ring premixing chamber 411 to be uniformly mixed again, when the outer fire cover 51 provided with the outer fire holes 511 is arranged at the top of the air distributor outer ring premixing chamber 411, the gas is combusted through the outer fire holes 511 to form outer ring flames, and when the inner fire cover 52 provided with the inner fire holes 521 is arranged at the top of the air distributor inner ring air passage 412, the gas is combusted through the inner fire holes 521 to form inner ring flames.

In a preferred embodiment of the present invention, the outer fire holes 511 are arranged along the axial direction of the outer fire cover 51 to form a combustion net 512 in a honeycomb shape, and the combustion net 512 is covered on the top of the outer ring premixing chamber 411 of the air distributor.

As shown in fig. 6 to 9, the extending direction of the outer fire holes 511 is arranged in parallel along the axial direction of the outer fire cover 51, and the outer fire holes 511 are arranged at intervals on the outer fire cover 51 to form a combustion net 512, thereby forming an infrared burner.

In a preferred embodiment of the present invention, there are three air distribution disk outer ring premixing chambers 411, which are arranged at intervals along the circumferential direction of the air distribution disk main body 41, and the air distribution disk outer ring premixing chambers 411 are respectively in a spiral trumpet shape and extend from the center of the air distribution disk main body 41 to the edge of the air distribution disk main body 41.

As shown in fig. 2 to 5, the three premixing chambers 411 are respectively fan-shaped, the center line of each premixing chamber 411 is distributed at an interval of 120 °, and the gas after being fully mixed reaches the position of the combustion net 512 through the premixing chambers 411. The air distribution disk outer ring premixing chamber 411 is extended in a spiral horn shape, so that a gas channel in the air distribution disk outer ring premixing chamber 411 can be prolonged, the mixing of gas and air is more sufficient, and the stability of gas combustion is improved.

In a preferred embodiment of the present invention, the air distributor plate assembly 4 further comprises a flow distribution plate 42 spaced apart from the air distributor plate outer ring premix chamber 411, wherein the flow distribution plate 42 extends from the center of the air distributor plate main body 41 to the edge of the air distributor plate main body 41.

As shown in fig. 6 to 9, the flow equalizing plate 42 extends radially along the profile of the premixing chamber 411 outside the gas distributor, so that the gas in the premixing chamber 411 outside the gas distributor can be diffused along the extending direction of the flow equalizing plate 42, and the diffusion uniformity of the gas can be further improved.

In a preferred embodiment of the present invention, the gas distribution plate assembly 4 further comprises a flow distribution plate 43 sandwiched between the combustion net 512 and the gas distribution plate main body 41, and the flow distribution plate 43 is connected to the gas distribution plate main body 41 and is provided with through holes 431 at intervals.

As shown in fig. 6 to 9, the uniform flow disk 43 is disposed between the combustion net 512 and the gas distribution disk main body 41 and has an annular structure, and the pressure of the central air flow closer to the gas distribution disk main body 41 is higher and lower, so that the uniform flow disk 43 is disposed near the center of the gas distribution disk main body 41, the uniform flow disk 43 is provided with through holes 431, and after the mixed gas enters the gas distribution disk outer ring premixing chamber 411, a part of the mixed gas diffuses outward along the uniform flow plate 42, and the other part of the mixed gas diffuses upward uniformly through the through holes 431, so that the mixed gas is more uniform when reaching the combustion net 512.

In a preferred embodiment of the present invention, the upper inlet burner further comprises a central inlet pipe 6 or a dry-burning prevention device, the center of the burner base and the center of the gas distribution plate assembly 4 are respectively provided with a mounting hole, and the central inlet pipe 6 or the dry-burning prevention device is arranged in the mounting hole. The chassis 2 is provided with a central gas channel 25, and the central gas inlet pipe 6 is communicated with a gas supply pipeline through the central gas channel 25.

As shown in fig. 2 to 9, the base body 1 and the chassis 2 of the burner base are respectively provided with a mounting hole, the center of the gas distribution plate body 41 and the center of the uniform flow plate 43 are also provided with a mounting hole, the central gas inlet pipe 6 sequentially passes through the chassis 2, the base body 1, the gas distribution plate body 41 and the uniform flow plate 43 from bottom to top, the gas inlet end at the bottom of the central gas inlet pipe 6 is provided with a central gas nozzle, is connected with the central gas channel 25 through a central gas nozzle, the top gas outlet end of the central gas inlet pipe 6 forms a central fire, the firepower of the burner is further increased, when not setting up central intake pipe, can also set up and prevent dry combustion method device, place the pan when combustor top, prevent dry combustion method device from reaching the bottom of pan after lower supreme chassis 2, base main part 1, gas distribution dish main part 41 and even dish 43 of passing in proper order, when sensing the temperature of pan too high, control the combustor through the controller and close. The central gas channel 25, the inner ring gas channel 23 and the outer ring gas channel 24 are arranged on the chassis 2 at the same time, so that the thickness of the whole burner can be reduced, the material is saved, the cost is reduced, and the burner is particularly suitable for being applied to ultrathin flat-plate stoves.

The upper air inlet burner comprises a burner base, an air distribution plate assembly 4 and a fire cover assembly 5. The outer ring is arranged on the base body 1 of the furnace end base and penetrates the upper portion 11 of the pipe and the inner ring is arranged on the upper portion 12 of the pipe, the outer ring is formed by connecting the upper portion 11 of the pipe with the base plate 2 through the outer ring, the inner ring penetrates the upper portion 12 of the pipe and is connected with the base plate 2 to form the inner ring, the thickness of the furnace end base is greatly reduced, and further the thickness of the whole upper air inlet burner is reduced. The burner base is matched with the gas distribution disc main bodies 41 of different types to form the upper air inlet burners of different types, the interchangeability is good, the cost is saved, and the production efficiency is improved.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to mean, for example, that "connected" may be a fixed connection, a removable connection, or an integral connection. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrases "one embodiment," "a preferred embodiment," and similar language, throughout this specification may, but do not necessarily, all refer to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (11)

1. A furnace end base, comprising:

the base comprises a base body (1), wherein the base body (1) is provided with an outer ring injection pipe upper part (11), an inner ring injection pipe upper part (12), a base outer ring air passage (13) and a base inner ring air passage (14), the outer ring injection pipe upper part (11) is communicated with the base outer ring air passage (13), and the inner ring injection pipe upper part (12) is communicated with the base inner ring air passage (14); and

the base plate (2) is provided with an outer ring air inlet (21) and an inner ring air inlet (22), and the connecting surface of the base plate (2) and the base main body (1) is a plane;

the outer ring injection pipe upper portion (11) is installed on the base body (1) to form an outer ring injection pipe, the inner ring injection pipe upper portion (12) is installed on the base body (1) to form an inner ring injection pipe, the outer ring injection pipe is communicated with the air supply pipeline through the outer ring air inlet (21), and the inner ring injection pipe is communicated with the air supply pipeline through the inner ring air inlet (22).

2. The furnace end base as claimed in claim 1, wherein the number of the outer ring injection pipes (11) is three, and the outer ring injection pipes are annularly arranged on the base body (1) at equal intervals, and each outer ring injection pipe is spirally extended from the outer periphery of the base body (1) to the center of the base body (1) and enters the base outer ring air passage (13).

3. The furnace end base of claim 2, wherein an inner ring gas channel (23) and an outer ring gas channel (24) are arranged on the bottom surface of the base (2) far away from the base body (1), the inner ring gas inlets (22) are arranged on the inner ring gas channel (23), the outer ring gas channel (24) is arranged along the circumferential direction of the base (2), the number of the outer ring gas inlets (21) is three, the outer ring gas channels are arranged on the outer ring gas channel (24) at equal intervals, and the outer ring gas inlets (21) are opposite to the inlet of the outer ring injection pipe.

4. The burner base of claim 3, further comprising an inner ring gas nozzle (31) and an outer ring gas nozzle (32) for primary gas mixing, the inner ring injector tube communicating with the inner ring gas channel (23) through the inner ring gas nozzle (31) via the inner ring gas inlet (22), the outer ring injector tube communicating with the outer ring gas channel (24) through the outer ring gas nozzle (32) via the outer ring gas inlet (21).

5. An upper intake air burner, comprising:

the jamb base of any of the preceding claims 1 to 4;

the air distribution disc assembly (4) comprises an air distribution disc main body (41) connected to the base main body (1), the air distribution disc main body (41) is provided with an air distribution disc outer ring premixing chamber (411) and an air distribution disc inner ring air passage (412), the air distribution disc outer ring premixing chamber (411) is communicated with the base outer ring air passage (13), and the air distribution disc inner ring air passage (412) is communicated with the base inner ring air passage (14); and

fire lid subassembly (5), fire lid subassembly (5) are including outer fire lid (51) and interior fire lid (52), outer fire lid (51) lid is located divide the top of gas dish outer loop to premix chamber (411) and seted up outer fire hole (511) along its circumference, interior fire lid (52) lid is located divide gas dish inner ring air flue (412) and seted up interior fire hole (521) along its circumference.

6. The upper intake burner of claim 5, wherein the outer fire holes (511) are arranged along the axial direction of the outer fire cover (51) to form a honeycomb-shaped combustion net (512), and the combustion net (512) is covered on the top of the outer ring premixing chamber (411) of the gas distributor.

7. The upper air intake burner according to claim 6, wherein the number of the air distribution disk outer ring premixing chambers (411) is three, and the air distribution disk outer ring premixing chambers are arranged at intervals along the circumferential direction of the air distribution disk main body (41), and the air distribution disk outer ring premixing chambers (411) are respectively in a spiral trumpet shape and extend from the center of the air distribution disk main body (41) to the edge of the air distribution disk main body (41).

8. The upper inlet air burner of claim 6, wherein the gas distributor plate assembly (4) further comprises a flow distribution plate (42) spaced within the gas distributor outer annular pre-mixing chamber (411), the flow distribution plate (42) extending from the center of the gas distributor plate body (41) to the edge of the gas distributor plate body (41).

9. The upper intake burner according to claim 6, characterized in that the gas-distributing disc assembly (4) further comprises a flow-homogenizing disc (43) interposed between the combustion net (512) and the gas-distributing disc body (41), the flow-homogenizing disc (43) being connected to the gas-distributing disc body (41) and being provided with through holes (431) at intervals.

10. The upper intake air burner according to claim 5, further comprising a central intake pipe (6) or a dry burning prevention device, wherein the center of the burner base and the center of the gas distribution plate assembly (4) are respectively provided with a mounting hole, and the central intake pipe (6) or the dry burning prevention device is arranged in the mounting hole.

11. The upper intake burner according to claim 10, characterized in that a central gas channel (25) is provided on the base plate (2), the central intake pipe (6) communicating with the gas supply line through the central gas channel (25).

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