CN205316321U

CN205316321U - Aluminum alloy furnace end and combustor

Info

Publication number: CN205316321U
Application number: CN201620057456.6U
Authority: CN
Inventors: 孙红梅; 朱鑫
Original assignee: GUANGDONG HISENSE HOME APPLIANCES Co Ltd
Current assignee: GUANGDONG HISENSE HOME APPLIANCES Co Ltd
Priority date: 2016-01-21
Filing date: 2016-01-21
Publication date: 2016-06-15
Anticipated expiration: 2026-01-21

Abstract

The utility model provides an aluminum alloy furnace end and combustor, the aluminum alloy furnace end is penetrated pipe assembly and head and is divided the gas seat including drawing, and the head divides the gas seat for the integrated into one piece structure, and it has the outer loop hybrid chamber, chamber, inner ring hybrid chamber and secondary air passageway are shunted to the outer loop, outer loop reposition of redundant personnel chamber and outer loop hybrid chamber intercommunication, annular channel intercommunication between secondary air passageway and outer loop hybrid chamber, the inner ring hybrid chamber. The aluminum alloy furnace end can prevent that the furnace end from rustting, just is favorable to improving primary air and draws the volume of penetrating, improves combustion efficiency, and integrated into one piece's head divides the gas seat, need not to set up in addition branch gas dish, can effectively avoid the head hybrid chamber and divide the gas dish separately to be connected the potential safety hazard that the back leaked gas.

Description

Aluminum alloy burner head and burner

Technical field

This utility model relates to the structure of burner for gas stove to be improved, and the structure being specifically related to combusting device stove burner is improved.

Background technology

Burner is an important structure member of burner, its role is to introduce combustion gas from gas nozzle, and from burner induction tunnel module inlet injection primary air, primary air and combustion gas mixing are introduced gas separating seat and makes mixing gas velocity and pressure uniform as far as possible. The current burner with gas separating seat has three kinds of schemes on the market, scheme one is that materials'use cast iron materials unit sand casts out, and this kind of burner gets rusty easily after using for a long time, simultaneously inner wall coarse, combustion gas is big with air flow resistance, it is easy to cause the phenomenon that combustion conditions is bad; Cast iron burner is for a long time under having the environment such as sewage, oil smoke simultaneously, it is easy to oxidation and rusting, and corrosion failure occurs in burner, thus the phenomenon that leaks air; Corrosion adhesion occurs when tearing panel and fire cover open, not easily takes off panel and fire cover is cleaned and keeps in repair; Scheme two is burner materials'use aluminium alloy, entirety is made up of three parts, including burner induction tunnel, hybrid chamber and branch chamber, this kind of structure has the drawback that hybrid chamber and branch chamber are not integral types, easily leak air phenomenon, and cost of parts is also high simultaneously, because structure restriction, combustion conditions is bad, it is easy to the problems such as yellow flame and CO content in smoke exceed standard occur; Scheme three is burner materials'use aluminium alloy, and entirety is made up of three parts, and including induction tunnel, head distributary base, flow distribution plate, the burner flow distribution plate of this kind of structure is an independent part, is then placed on head distributary base again.

Existing aluminum alloy burner head can solve burner problem of rustiness on the market at present, and compares cast iron burner, burner inner wall smooth so that simulation model for mixing gases flows is smooth and easy, is conducive to improving primary air injection volume, improves efficiency of combustion, reduces toxic emission. but existing aluminum alloy burner head, supplementing of the auxiliary air that between its inner fire cover and outer fire cover, in passage, burning is required is all supplemented by bottom air inlet, namely secondary venting channels is set in burner bottom surface, quantity has 4 ~ 6, be positioned at below combustor panel, then user clears up during the foul in secondary-air passage very inconvenient. for solving this problem, it is all increase air distribution disk on aluminum alloy burner head at present, then fire cover is placed on air distribution disk, by air distribution disk arranges secondary-air passage, carry out upper wind inlet type to supplement, this structure causes that burner cost increases, and also easily there is the fiery phenomenon of leakage with the mating surface of air distribution disk in burner, use encapsulant such as rubber ring or seal at junction painting silica gel etc., because aluminum alloy burner head is under burned for long time or tempering situation, maximum temperature is likely to be breached 300 ~ 400 DEG C, rubber ring and silica gel all will softening transforms when this temperature spot, do not reach sealing effectiveness.

Summary of the invention

The utility model proposes a kind of aluminum alloy burner head and burner, not easily get rusty at aluminum alloy burner head, and be conducive to improving primary air injection volume, improve on the basis of efficiency of combustion, improve the safety of aluminum alloy burner head, the corresponding safety improving burner and gas-cooker.

In order to reach above-mentioned technical purpose, the technical scheme of the aluminum alloy burner head that this utility model is proposed is, a kind of aluminum alloy burner head, including induction tunnel assembly and the head gas separating seat that is tightly connected with induction tunnel assembly, described induction tunnel assembly includes outer shroud induction tunnel and internal ring induction tunnel, described head gas separating seat is formed in one structure, it has outer shroud hybrid chamber, outer shroud branch chamber, internal ring hybrid chamber and secondary-air passage, described outer shroud branch chamber connects with described outer shroud hybrid chamber, described secondary-air passage and described outer shroud hybrid chamber, circular passage connection between internal ring hybrid chamber.

This utility model also proposed a kind of burner, and including burner, described burner is above-mentioned aluminum alloy burner head.

Compared with prior art, this utility model has the positive effect that:

1, aluminum alloy burner head can prevent burner from getting rusty, and burner inner wall smooth so that simulation model for mixing gases flows is smooth and easy, be conducive to improving primary air injection volume, improve efficiency of combustion, reduce toxic emission, then solve aluminum alloy burner head primary air and supplement the phenomenon of difficulty, incomplete combustion;

2, head gas separating seat is formed in one structure, it is not necessary to additionally arrange air distribution disk, then can be prevented effectively from head hybrid chamber and air distribution disk separate be connected after the potential safety hazard of gas leakage.

Accompanying drawing explanation

Fig. 1 is the three-dimensional structure diagram one of this utility model aluminum alloy burner head;

Fig. 2 is the three-dimensional structure diagram two (seen from below) of this utility model aluminum alloy burner head;

Fig. 3 is the decomposition chart (containing interior ring fire cover and external ring fire cover) of Fig. 1 and Fig. 2;

Fig. 4 is the front view of Fig. 1;

Fig. 5 is that the A-A of Fig. 4 is to sectional view;

Fig. 6 is that the B-B of Fig. 4 is to sectional view;

Fig. 7 is the front view of Fig. 2.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in more detail.

Referring to figs. 1 through Fig. 7, a kind of aluminum alloy burner head, including induction tunnel assembly and the head gas separating seat that is tightly connected with induction tunnel assembly, induction tunnel assembly includes outer shroud induction tunnel 10 and internal ring induction tunnel 20, head gas separating seat 30 has outer shroud hybrid chamber 31, outer shroud branch chamber 32, internal ring hybrid chamber 33 and secondary-air passage 34, outer shroud branch chamber 32 connects with outer shroud hybrid chamber 31, and between secondary-air passage 34 with outer shroud hybrid chamber 31, internal ring hybrid chamber 33, circular passage 35 connects.

The mixture of combustion gas and air, through aluminum alloy burner head induction tunnel assembly diffusion premix, enters into the further premix shunting of head hybrid chamber, then sprays from the fire output hole of fire cover. Wherein, outer shroud hybrid chamber 31 is corresponding with the external ring fire cover 50 of burner will be tapped by outer shroud branch chamber 32 by outer shroud hybrid chamber 31 gas-air body out, finally uniformly spraying from each fire hole of external ring fire cover 50, internal ring hybrid chamber 33 is corresponding with the interior ring fire cover 60 of burner will be sprayed by interior ring fire cover 60 by internal ring hybrid chamber 33 gas-air body out; The outer annular portion 311 of the present embodiment outer-loop branch chamber 32 and outer shroud hybrid chamber 31 collectively forms a complete annular, so that smoothly through the mixed mixing gas of outer shroud hybrid chamber 31 and rapidly enter outer shroud branch chamber 32 and tap.The effect of miscellaneous part is identical with the same names parts effect corresponding to prior art, does not repeat them here.

The present embodiment aluminum alloy burner head is preventing burner from getting rusty, is being beneficial on the basis improving primary air injection volume, raising efficiency of combustion, head gas separating seat is formed in one structure, burner without additionally arranging air distribution disk, then can be prevented effectively from occur prior art separate with head hybrid chamber and air distribution disk that the burner of air distribution disk exists be connected after the hidden danger of gas leakage.

Further, outer shroud hybrid chamber 31 includes the outer annular portion 311 of top and the outer connecting portion 312 of lower section, and outer connecting portion 312 one end is connected with outer annular portion 311 one, and the other end and outer shroud induction tunnel 10 are tightly connected; Internal ring hybrid chamber 33 includes the inner portion 331 of top and the interior connecting portion 332 of lower section, and interior connecting portion 332 one end is connected with inner portion 331 one, and the other end and internal ring induction tunnel 20 are tightly connected; Outer annular portion 311 has the port of export 3111, and outer shroud hybrid chamber 31 is connected with outer shroud branch chamber 32 by this port of export 3111. This structure outer shroud hybrid chamber 31, internal ring hybrid chamber 33 compact conformation, it is simple to install, and facilitate being tightly connected of each parts.

For realizing between outer annular portion 311, internal ring hybrid chamber 33 passage between circular passage 35(namely interior ring fire cover 60 and external ring fire cover 50) in required the supplementing of auxiliary air of burning supplement for upper wind inlet type, in the present embodiment, secondary-air passage 34 is positioned at the lower section of outer shroud branch chamber 32, and be positioned at the side of outer annular portion 311, and it is and the sector channel of outer shroud branch chamber 32 coaxial line. After then the present embodiment aluminum alloy burner head is installed and is put in place, secondary-air passage 34 is positioned at the top of combustor panel, expose setting, the upper wind inlet type realizing auxiliary air supplements, compare and original secondary-air passage is set on the diapire of circular passage 35, it is possible to be conducive to the injection of auxiliary air, and be convenient to clean the foul in secondary-air passage, it is big that the secondary-air passage 34 of arc compares original access opening area, has further facilitated cleaning and cleaning.

Further, if the area of secondary-air passage 34 is less, the auxiliary air amount of institute's injection can be not enough, the area of secondary-air passage 34 is excessive, furnace head structure can be made limited, through putting into practice gained, the central angle angular range corresponding to secondary-air passage 34 is advisable in 90 °-160 °, and it is highly about 8-12mm.

Additionally, except the defect that prior art burner described in this utility model background technology exists, there is also due to structure constraint, the induction tunnel of aluminum alloy burner head can not long enough, combustion gas mixes not exclusively with air, thus there are the problems such as yellow flame, tempering, CO content in smoke exceed standard. for solving this problem, the present embodiment extends the length of induction tunnel, make combustion gas and air be sufficiently mixed, simultaneously, owing to outer shroud hybrid chamber 31 has the outer connecting portion 312 being positioned below in the present embodiment, it is connected with outer shroud induction tunnel 10 by outer connecting portion 312, the outer connecting portion 312 being connected with outer shroud induction tunnel 10 has stepped side walls 3121, as shown in Figure 2 and Figure 7, then outer connecting portion 312 is bigger with outer shroud branch chamber 32 difference in height, combustion gas and air mixture are when being flowed to outer shroud branch chamber 32 by connecting portion 312 through outer annular portion 311, air current flow direction is made to change rapidly and there will be adverse current or eddy current rotation phenomenon, it is unfavorable for the mixing of combustion gas and air, outer connecting portion 312 arranges stepped side walls 3121, air current flow can be made mild, prevent air velocity too fast, for taking into account installation convenience, the numbers of steps of stepped side walls 3121 is advisable with 2 ~ 3.

As shown in Figures 1 to 5, between outer annular portion 312, internal ring hybrid chamber 32, the diapire of circular passage 35 has downwardly projecting in the depressed part 351 of circular passage 35 diapire lower surface, and the sidewall of depressed part 351 has primary air accessory channel hole 352. When auxiliary air is entered in circular passage 35 by secondary-air passage 34, partial air can be entered side, induction tunnel assembly place by the primary air accessory channel hole 352 on depressed part 351, then entered in burner by induction tunnel assembly injection, serve as primary air, improve the injection volume of primary air. Specifically, the number in primary air accessory channel hole 352 can be 2-4, and the diameter in each hole is advisable with 5-8mm.

Further, for making compact conformation, the bottom of depressed part 351 is connected on the interior connecting portion 332 of internal ring mixing chamber 33.

Same for compensator or trimmer pressure, as shown in Figure 3, head gas separating seat 30 is additionally provided with flow distribution plate 36, flow distribution plate 36 is between the port of export 3111 and outer shroud branch chamber 32 of outer annular portion 311, owing to the port of export 3111 of outer annular portion 311 is the highest part of gaseous-pressure, flow distribution plate 36 is set in this position, it is possible to slow down stream pressure. Preferably, flow distribution plate 36 is one-body molded with burner gas separating seat 30, to reduce burner cost.

This utility model has a flow distribution plate from mixing pipe flow to the place that gaseous-pressure branch chamber is the highest with air mixture in combustion gas, and this flow distribution plate is one-body molded with burner distributary base, it is possible to the effect reaching same compensator or trimmer pressure can also reduce burner cost. Being additionally provided with the split-flow baffles between the port of export and described outer shroud branch chamber of described outer annular portion on described head gas separating seat, the top side location of described split-flow baffles is lower than the top side location of the top side location of described outer annular portion and described outer shroud branch chamber.

For improving sealing further, as it is shown on figure 3, be provided with metallic packing ring 40 in the junction of head gas separating seat 30 with induction tunnel assembly (outer shroud induction tunnel 10 and internal ring induction tunnel 20), it is preferable that aluminium flake, it is connected by screw induction tunnel assembly and head gas separating seat 30. Adopt metallic packing ring 40, then, when aluminum alloy burner head is likely to be breached 300 ~ 400 DEG C at burned for long time or tempering situation maximum temperature, metallic packing ring 40 will not softening transform, it is ensured that seal.

As shown in Figure 5 and Figure 6, the link of outer shroud induction tunnel 10 stretches in outer connecting portion 312, and the link of internal ring induction tunnel 20 stretches in interior connecting portion 332, to improve the sealing of junction further.

The present embodiment also proposed a kind of burner, and including burner, burner is the present embodiment aluminum alloy burner head, and the concrete structure of aluminum alloy burner head referring to the description of the embodiment of this utility model aluminum alloy burner head and accompanying drawing 1 to Fig. 7, can not repeat them here.

The above, it it is only preferred embodiment of the present utility model, being not the restriction that this utility model is made other form, any those skilled in the art are changed or are modified as the Equivalent embodiments of equivalent variations possibly also with the technology contents of the disclosure above. But every without departing from technical solutions of the utility model content, any simple modification, equivalent variations and remodeling above example made according to technical spirit of the present utility model, still fall within the protection domain of technical solutions of the utility model.

Claims

1. an aluminum alloy burner head, it is characterized in that: include induction tunnel assembly and the head gas separating seat being tightly connected with induction tunnel assembly, described induction tunnel assembly includes outer shroud induction tunnel and internal ring induction tunnel, described head gas separating seat is formed in one structure, it has outer shroud hybrid chamber, outer shroud branch chamber, internal ring hybrid chamber and secondary-air passage, described outer shroud branch chamber connects with described outer shroud hybrid chamber, and between described secondary-air passage with described outer shroud hybrid chamber, internal ring hybrid chamber, circular passage connects.

2. aluminum alloy burner head according to claim 1, it is characterized in that: described outer shroud hybrid chamber includes the outer annular portion of top and the outer connecting portion of lower section, described outer connecting portion one end is connected with described outer annular portion one, and the other end and described outer shroud induction tunnel are tightly connected; Described internal ring hybrid chamber includes the inner portion of top and the interior connecting portion of lower section, and described interior connecting portion one end is connected with described inner portion one, and the other end and described internal ring induction tunnel are tightly connected; Described outer annular portion has the port of export, and described outer shroud branch chamber connects with described outer shroud branch chamber with the described port of export.

3. aluminum alloy burner head according to claim 2, it is characterised in that: described secondary-air passage is positioned at the lower section of described outer shroud branch chamber, and is positioned at the side of described outer annular portion, and is and the sector channel of described outer shroud branch chamber coaxial line.

4. aluminum alloy burner head according to claim 3, it is characterised in that: the corresponding central angle angular range of described secondary-air passage is 90 °-160 °.

5. aluminum alloy burner head according to claim 2, it is characterised in that: described outer connecting portion has stepped side walls.

6. aluminum alloy burner head according to claim 3, it is characterized in that: between described outer annular portion, internal ring hybrid chamber, the diapire of circular passage has downwardly projecting in the depressed part of described diapire lower surface, the sidewall of described depressed part has primary air accessory channel hole.

7. aluminum alloy burner head according to claim 1, it is characterised in that: being additionally provided with flow distribution plate on described head gas separating seat, described flow distribution plate is between the port of export and described outer shroud branch chamber of described outer annular portion.

8. aluminum alloy burner head according to claim 2, it is characterised in that: the junction of described head gas separating seat and described induction tunnel assembly is provided with metallic packing ring.

9. aluminum alloy burner head according to claim 8, it is characterised in that: the link of described outer shroud induction tunnel stretches in described outer connecting portion, and the link of described internal ring induction tunnel stretches in described interior connecting portion.

10. a burner, including burner, it is characterised in that: described burner is the aluminum alloy burner head according to any one of claim 1 to 9.