CN104251489B - Furnace combustor - Google Patents
Furnace combustor Download PDFInfo
- Publication number
- CN104251489B CN104251489B CN201410224859.0A CN201410224859A CN104251489B CN 104251489 B CN104251489 B CN 104251489B CN 201410224859 A CN201410224859 A CN 201410224859A CN 104251489 B CN104251489 B CN 104251489B
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- China
- Prior art keywords
- burner
- main
- auxiliary
- supply
- burner portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Gas Burners (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention provides a kind of furnace combustor, the furnace combustor has main burner portion and auxiliary burner portion, wherein the main burner portion possesses the main flame hole (4m) that opening is presented in multiple outer peripheral faces in burner head (3), the auxiliary burner portion possesses multiple outer peripheral faces in burner head and the secondary flame hole (4s) of opening is presented in the downside of main flame hole, the furnace combustor is free to only supplying combustion gas to auxiliary burner portion only make the state that auxiliary burner burns, also combustion gas is supplied to main burner also to make to switch between the state that main burner burns;Auxiliary burner portion is made up of natural Gas feeding burner, enables to attract primary air from auxiliary burner with the inflow entrance (5sa) of the upstream end of mixing tube (5s);Main burner portion is by that can be constituted from the forced air supply formula burner that primary air is forcibly supplied with the supply air blower (8) that main burner is connected with mixing tube (5m).So that even if burner external diameter reduces, the burning that will not also produce caused by the primary air deficiency in main burner portion is bad.
Description
Technical field
The present invention relates to a kind of furnace combustor with main burner portion and auxiliary burner portion, wherein the main burner portion
Possesses the main flame hole that opening is presented in multiple outer peripheral faces in burner head, the auxiliary burner portion possesses multiple in burner head
The outer peripheral face in portion and main flame hole downside present opening secondary flame hole.
Background technology
It is well known that in the past, as this furnace combustor, being free to switch between following two states, i.e.,:Only
To auxiliary burner portion supply combustion gas so as to only make auxiliary burner burn state and also to main burner portion supply combustion gas so as to
The state for making main burner portion burn (for example, referring to patent document 1).
Here, in above-mentioned conventional example, main burner portion and auxiliary burner portion are by natural Gas feeding burner
Constitute, enable to the inflow entrance with the upstream end of each mixing tube of auxiliary burner be attracted once from main burner
Air, and be supplied in the gaseous mixture that excess air ratio (primary air amount/theoretical air requirement) is not up to 1 via each mixing tube
Main burner portion and auxiliary burner portion.Additionally, it is well known that, in the past so that the air of the gaseous mixture in supply main burner portion
Excess rate can so suppress the flame in main burning portion to seek higher than the excess air ratio of the gaseous mixture in supply auxiliary burner portion
The phenomenon sought auxiliary air and extended upward (for example, referring to patent document 2).
In addition, thermal efficiency when being heated to improve using furnace combustor to cooking container, preferably reduces combustion
Burner external diameter (external diameter of burner head), so can throughout cooking container bottom central part cooking container is added
Heat.However, once reducing burner external diameter, the pressure loss of burner internal will become big, and this can make the attraction of primary air
Amount is reduced.Therefore, present situation is:In order to prevent the burning caused by the primary air deficiency at main burner portion not
It is good, it cannot excessively reduce burner external diameter, so also just be unable to reach the purpose for fully improving the thermal efficiency.
Patent document 1:Japanese Unexamined Patent Publication 2008-281271 publications
Patent document 2:Japanese Unexamined Patent Publication 2009-58195 publications
The content of the invention
Point in view of the above-mentioned problems of the invention, will not also be produced in main burning with providing one kind even if burner external diameter is reduced
The bad furnace combustor that burns caused by primary air deficiency at device portion is used as problem to be solved.
In order to solve above-mentioned problem, furnace combustor of the invention has main burner portion and auxiliary burner portion, wherein should
Main burner portion possesses the main flame hole that opening is presented in multiple outer peripheral faces in burner head, and the auxiliary burner portion possesses multiple
The secondary flame hole of outer peripheral face in burner head and the downside presentation opening in main flame hole, the furnace combustor can be free
Ground is only supplying combustion gas so as to only make the state of auxiliary burner portion burning and also supply to main burner portion to fire to auxiliary burner portion
Gas switches between the state so as to also make the burning of main burner portion;The furnace combustor is characterised by that auxiliary burner portion is by certainly
What right Gas feeding burner was constituted, enable to attract once empty with the inflow entrance of the upstream end of mixing tube from auxiliary burner
Gas;Main burner portion is made up of forced air supply formula burner, and the forced air supply formula burner is from supply air blower to main combustion
Burner forcibly supplies primary air with mixing tube.
According to the present invention, due to constituting main burner portion by forced air supply formula burner, therefore, even if burner external diameter subtracts
Small to cause the pressure loss to become big, the burning that will not also produce caused by primary air deficiency is bad.So, burner can be reduced
External diameter, additionally it is possible to improve the thermal efficiency under the strong fiery state for also making main burner portion burn.Once in addition, auxiliary burner portion also by
Forced air supply formula burner constitute, in order to prevent blow out cannot so significantly to being supplied to auxiliary burner portion fuel gas supply
Amount is throttled, still, would not if constituting auxiliary burner portion by natural Gas feeding burner as the present invention
The problem of producing blowing-out, also fully can just throttle to the fuel gas supply amount supplied to auxiliary burner portion, so as to
Ensure regulation ratio.
In addition, in the present invention, it is preferred to being, when supplying combustion gas to main burner portion, from auxiliary burner portion to main burner
When portion's movable flame is lighted a fire, the supply combustion gas from starting to main burner portion is until by untill the stipulated time, making supply
Air blower stops, or makes the revolution of supply air blower less than the base corresponding to the quantity delivered of the combustion gas supplied to main burner portion
Quasi- revolution.Here, once primary air amount is more when main burner portion lights a fire, tempering can be produced or igniting sound is larger etc. bad
Problem, still, if as described above, stop supply air blower, or reduction air blower revolution, it will prevent described above
Bad problem.
Brief description of the drawings
Fig. 1 is the stereogram of the furnace combustor of embodiment of the present invention.
Fig. 2 is the sectional view along II-II line cut-out in Fig. 1.
Fig. 3 is the flow chart for representing to start the control content to the supply air blower during supply combustion gas of main burner portion.
Symbol description:
1 furnace combustor
1m main burners portion
1s auxiliary burners portion
3 burner heads
The main flame holes of 4m
4s pair flame holes
5m main burner mixing tubes
5s auxiliary burner mixing tubes
8 supply air blowers
Embodiment
Reference picture 1, the furnace combustor 1 of embodiments of the present invention has:It is inserted through the stove top plate for eliminating diagram
Burner opening burner body 2 and burner body 2 on annular burner head 3.In burner head 3
Outer peripheral face, main flame hole 4m and the secondary flame hole 4s positioned at its lower position are in respectively in the way of in circumferencial direction interval
Existing multiple openings.In addition, secondary flame hole 4s total opening area is less than main flame hole 4m total opening area.
As shown in Fig. 2 burner body 2 has:It is made up of outside cylinder 21, middle cylinder 22 and inside cartridge 23
Three layers of cylinder.Burner head 3 by:All sides, which are hung down, inside is provided with the cylinder chimeric with the middle cylinder 22 of burner body 2
The head portion part 31 of portion 31a ring-type, hang down provided with chimeric with the inside cartridge 23 of burner body 2 in lower surface inner peripheral portion
The head portion part 32 of cylinder portion 32a ring-type is constituted.
It is equipped with the upper surface peripheral part of head portion part 31:The upper annular wall 33 taken a seat for head portion part 32.
Upper annular wall 33, with circumferencial direction exist spaced mode be formed with it is multiple:From the upper end of upper annular wall 33 downwards
Depression and be the groove for constituting main flame hole 4m.Also, the upper end of these grooves is blocked by head portion part 32, it is possible thereby to
Main flame hole 4m is formed between head portion part 31 and head portion part 32.In addition, main flame hole 4m with by head portion part
31st, head portion part 32, the middle cylinder 22 of burner body 2 are connected with the space that inside cartridge 23 is surrounded, by these followings
Portion's part 31, head portion part 32, middle cylinder 22 and inside cartridge 23 constitute the main burner with main flame hole 4m
Portion 1m.
In addition, head portion part 31 lower surface peripheral part hang down be provided with:It is seated at the outside cylinder 21 of burner body 2
Upper end position lower annular wall 34.In lower annular wall 34, with circumferencial direction exist spaced mode be formed with it is multiple:
Groove that is being recessed upward from its lower surface and being the secondary flame hole 4s of composition.Also, by the lower end of these grooves by outside
The upper end closure of cylinder 21, it is possible thereby to form secondary flame hole 4s between main burner main body 2 and head portion part 31.Separately
Outside, secondary flame hole 4s and the sky surrounded by the outside cylinder 21 and middle cylinder 22 of head portion part 31 and burner body 2
Between connect, the secondary combustion with secondary flame hole 4s is made up of these head portion parts 31, outside cylinder 21 and middle cylinder 22
Burner portion 1s.
Burner 1 also has:The master that space between the middle cylinder 22 and inside cartridge 23 of burner body 2 is connected
The secondary burning that burner mixing tube 5m, the space between the outside cylinder 21 and middle cylinder 22 of burner body 2 are connected
Device mixing tube 5s.Reference picture 1, combustion gas uses fuel gas supply road via the main burner being branched off from universal gas supply road 6
6m and be fed into main burner mixing tube 5m, combustion gas also supplies the auxiliary burner that is branched off of road 6 via from universal gas
Auxiliary burner mixing tube 5s is fed into fuel gas supply road 6s.
First magnetic valve 61 and gas consumption adjusting valve 62 are provided with universal gas supply road 6, in addition, in main burner
Main burner magnetic valve 63 is provided with the 6m of fuel gas supply road.Moreover, by main burner with the pass valve of magnetic valve 63 and
Valve opening, freely can only make state and also will that auxiliary burner portion 1s burns combustion gas is only supplied into auxiliary burner portion 1s
Fuel gas supply main burner portion 1m switches between the state so as to also make main burner portion 1m burnings.In addition, with auxiliary burner portion
The 1s upper position of circumference is provided with ignition spark plug 7 face to face, passes through the operation that the point to eliminating diagram is flame-out
Part carries out ignition operation and makes the spark discharge of ignition spark plug 7, so as to be lighted a fire to auxiliary burner portion 1s.
Here, auxiliary burner portion 1s is made up of natural Gas feeding burner, that is, to use mixed along with auxiliary burner
The inflow entrance 5sa of conjunction pipe 5s upstream end is facing and eliminates the fuel gas injection that the gas nozzle of diagram is carried out, and from
Inflow entrance 5sa attracts primary air.On the other hand, supply air blower 8 is connected with mixing tube 5m upstream end in main burner.
Moreover, main burner portion 1m is the forced air supply formula burner structure by primary air is supplied from supply air blower Final 8 property
Into.In addition, being provided with main burner with the side near mixing tube 5m upstream end:With eliminating figure inside mixing tube 5m
The combustion gas inflow entrance 5ma that the gas nozzle shown is connected, main burner fuel gas supply road is connected with combustion gas inflow entrance 5ma
6m。
Above-mentioned first magnetic valve 61, gas consumption adjusting valve 62, main burner magnetic valve 63 and supply air blower 8 are utilized
Controlled by the controlling organization for eliminating diagram that microcomputer is constituted.First magnetic valve 61 is with by the flame-out functional unit of point
Ignition operation and it is by valve opening and controlled by way of quenching operations are closed.Gas consumption adjusting valve 62 is with it
The mode that the functional unit of firepower regulation of the aperture with eliminating diagram changes with being connected is controlled.Main burner
With magnetic valve 63 be with firepower regulation crossed with functional unit as defined in centre position and make the master when being operated into strong fiery side
Burner is controlled with the mode of the valve opening of magnetic valve 63.In addition, supply air blower 8 is to be crossed with firepower regulation with functional unit
Defined centre position and can be with to main burner portion when also even if main burner portion 1m burns when being operated into strong fiery side
The mode that benchmark revolution corresponding to the quantity delivered of 1m supply combustion gas is rotated is controlled.The benchmark revolution is configured to:
The excess air ratio of supply main burner portion 1m gaseous mixture reaches 0.8~1 or so the high value of comparison.
If main burner portion 1m is made up of forced air supply formula burner as in the present embodiment, even if burning
Device external diameter, which reduces, causes the pressure loss to become big, and the burning that will not also produce caused by primary air deficiency is bad.So, can subtract
Small burner external diameter, it is possible to increase also make the thermal efficiency under the strong fiery state of main burner portion 1m burnings.In addition, once secondary burning
Device portion 1s is also made up of forced air supply formula burner, in order to prevent blowing-out cannot be so significantly to being supplied to auxiliary burner portion 1s
The fuel gas supply amount given is throttled, still, if constituting secondary combustion by natural Gas feeding burner as in the present embodiment
If burner portion 1s, the problem of just being blown out without worry also fully can be just supplied the combustion gas supplied to auxiliary burner portion 1s
Throttled to amount, so as to ensure big regulation (turn down) ratio.
In addition, when supplying combustion gas to main burner portion 1m with the valve opening of magnetic valve 63 using main burner, from pair burning
Device portion 1s to main burner portion 1m movable flames lighted a fire when, once supply main burner portion 1m primary air amount is more,
The bad problem such as it will produce tempering or igniting sound is larger.In addition, when initial main burner carries out valve opening with magnetic valve 63, warp
The combustion gas crossed after gas consumption adjusting valve 62 starts to shunt to main burner fuel gas supply road 6m, due to auxiliary burner portion
Temporary reduction is presented in the quantity delivered of the combustion gas of 1s supplies, therefore, and supply main burner portion 1m primary air amount is once more,
It is possible to because blowing out auxiliary burner 1s from the air that main burner portion 1m sprays.
Therefore, in the present embodiment, by controlling organization, the control being discussed below to supply air blower 8.That is,
As shown in figure 3, when starting to supply combustion gas to main burner portion 1m, that is, when making main burner 63 valve opening of magnetic valve
(STEP1), supply air blower 8 is maintained into halted state, or make with the same manner as before the valve opening of magnetic valve 63 with main burner
Supply air blower 8 is revolved with the revolution lower than benchmark revolution corresponding to from the quantity delivered to the main burner portion 1m combustion gas supplied
Turn (STEP2).Next, it is determined that:Since the valve opening of main burner magnetic valve 63 (supply to main burner portion 1m combustion gas)
Whether stipulated time (for example, 2 second) (STEP3) have passed through, until by untill the stipulated time, supply air blower 8 is maintained
In halted state or low rotation status, after have passed through the stipulated time, then make supply air blower 8 to supply to main burner portion 1m
Benchmark revolution corresponding to the quantity delivered for the combustion gas given is rotated (STEP4).
Thus, it is possible to prevent the generation of following bad problems, i.e.,:Winner is fired to main burner portion 1m supply combustion gas
When burner portion 1m lights a fire, tempering is produced, the problems such as sound is larger or auxiliary burner 1s is blown out of either lighting a fire.
More than, present embodiment is illustrated referring to the drawings, still, the present invention is not restricted to this.For example,
In above-mentioned embodiment, although gas consumption adjusting valve 62 is provided with universal gas supply road 6, but it is also possible in master
Burner is with the 6m of fuel gas supply road and auxiliary burner with the 6s of fuel gas supply road sets gas consumption adjusting valve respectively.This feelings
Under condition, main burner can be caused to be had additional with the gas consumption adjusting valve set on the 6m of fuel gas supply road:Main burner is used
The pass valve function that fuel gas supply road 6m is completely closed off, can thus omit the main burner electricity consumption in above-mentioned embodiment
Magnet valve 63.
Claims (1)
1. a kind of furnace combustor, the furnace combustor has main burner portion and auxiliary burner portion, wherein the main burner portion
Possesses the main flame hole that opening is presented in multiple outer peripheral faces in burner head, the auxiliary burner portion possesses multiple in burner head
The outer peripheral face in portion and the secondary flame hole of opening is presented in the downside of main flame hole, the furnace combustor is free to only to pair
Combustor portion supply combustion gas is so as to only make the state of auxiliary burner burning and also to main burner supply combustion gas so as to also make main combustion
Switch between the state of burner burning;The furnace combustor is characterised by,
Auxiliary burner portion is made up of natural Gas feeding burner, enables to the upstream end from auxiliary burner mixing tube
Inflow entrance attract primary air;
Main burner portion is by can forcibly supply once sky from the supply air blower that main burner is connected with mixing tube
What the forced air supply formula burner of gas was constituted,
When supplying combustion gas to main burner portion, when being lighted a fire from auxiliary burner portion to main burner portion movable flame, from the beginning of
To the supply combustion gas of main burner portion until by untill the stipulated time, stopping supply air blower, or make supply air blower
Revolution be less than to main burner portion supply combustion gas quantity delivered corresponding to benchmark revolution.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-133320 | 2013-06-26 | ||
JP2013133320A JP6215594B2 (en) | 2013-06-26 | 2013-06-26 | Comrobana |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104251489A CN104251489A (en) | 2014-12-31 |
CN104251489B true CN104251489B (en) | 2017-09-05 |
Family
ID=52186624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410224859.0A Active CN104251489B (en) | 2013-06-26 | 2014-05-26 | Furnace combustor |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6215594B2 (en) |
KR (1) | KR101519501B1 (en) |
CN (1) | CN104251489B (en) |
HK (1) | HK1200522A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106322376B (en) * | 2015-07-10 | 2019-06-18 | 林内株式会社 | Burner for stove |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56105494U (en) * | 1980-01-14 | 1981-08-17 | ||
GB2181228A (en) * | 1985-10-09 | 1987-04-15 | Valor Newhome Ltd | Simulated solid fuel gas fires |
CN101435577A (en) * | 2007-11-12 | 2009-05-20 | 林内株式会社 | Master-slave burners for stove |
CN201487958U (en) * | 2009-08-06 | 2010-05-26 | 浙江苏泊尔家电制造有限公司 | Built-in high-efficient burner |
CN202166086U (en) * | 2011-07-30 | 2012-03-14 | 王英 | Easily-processed gas leakage proofing fuel gas furnace head |
CN102777904A (en) * | 2011-05-12 | 2012-11-14 | 林内株式会社 | Concentric Burner |
CN202747348U (en) * | 2012-06-06 | 2013-02-20 | 严若男 | Abeam air-intake blowing-type gas burner |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57149431A (en) * | 1981-03-11 | 1982-09-16 | Nippon Steel Corp | Heating method for slab in soaking pit |
JPS5810535U (en) * | 1981-07-15 | 1983-01-24 | 東邦瓦斯株式会社 | Gas burner with Plast burner and Bunsen burner |
KR100376526B1 (en) * | 1998-05-13 | 2003-07-16 | 주식회사 포스코 | Main burner of two steps combustion type in annealing furnace |
JP2000304212A (en) * | 1999-04-15 | 2000-11-02 | Matsushita Electric Ind Co Ltd | Cooking stove |
JP3839435B2 (en) * | 2004-01-09 | 2006-11-01 | キュウーハン株式会社 | Oven equipment |
JP4595599B2 (en) * | 2005-03-15 | 2010-12-08 | パロマ工業株式会社 | Gas stove |
JP4877814B2 (en) * | 2007-05-10 | 2012-02-15 | リンナイ株式会社 | Comrobana |
-
2013
- 2013-06-26 JP JP2013133320A patent/JP6215594B2/en active Active
-
2014
- 2014-05-20 KR KR1020140060629A patent/KR101519501B1/en active IP Right Grant
- 2014-05-26 CN CN201410224859.0A patent/CN104251489B/en active Active
-
2015
- 2015-01-26 HK HK15100833.4A patent/HK1200522A1/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56105494U (en) * | 1980-01-14 | 1981-08-17 | ||
GB2181228A (en) * | 1985-10-09 | 1987-04-15 | Valor Newhome Ltd | Simulated solid fuel gas fires |
CN101435577A (en) * | 2007-11-12 | 2009-05-20 | 林内株式会社 | Master-slave burners for stove |
CN201487958U (en) * | 2009-08-06 | 2010-05-26 | 浙江苏泊尔家电制造有限公司 | Built-in high-efficient burner |
CN102777904A (en) * | 2011-05-12 | 2012-11-14 | 林内株式会社 | Concentric Burner |
CN202166086U (en) * | 2011-07-30 | 2012-03-14 | 王英 | Easily-processed gas leakage proofing fuel gas furnace head |
CN202747348U (en) * | 2012-06-06 | 2013-02-20 | 严若男 | Abeam air-intake blowing-type gas burner |
Also Published As
Publication number | Publication date |
---|---|
JP2015007512A (en) | 2015-01-15 |
KR101519501B1 (en) | 2015-05-21 |
KR20150001609A (en) | 2015-01-06 |
JP6215594B2 (en) | 2017-10-18 |
HK1200522A1 (en) | 2015-08-07 |
CN104251489A (en) | 2014-12-31 |
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