CN104251489A - Stove burner - Google Patents
Stove burner Download PDFInfo
- Publication number
- CN104251489A CN104251489A CN201410224859.0A CN201410224859A CN104251489A CN 104251489 A CN104251489 A CN 104251489A CN 201410224859 A CN201410224859 A CN 201410224859A CN 104251489 A CN104251489 A CN 104251489A
- Authority
- CN
- China
- Prior art keywords
- burner
- main
- main burner
- burner portion
- auxiliary
- 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.)
- Granted
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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
Abstract
The invention provides a stove burner provided with main burner part and a subsidiary burner part, wherein the main burner part is provided with a plurality of open main flame ports (4m) on the periphery of a burner head (3); the subsidiary burner part is provided with a plurality of open main flame ports (4s) on the periphery of the burner head and on a lower side of the main flame ports. The stove burner can freely switch between a mode of only supplying gas to the subsidiary burner part so as to burn a subsidiary burner only, and a mode of only supplying gas to the main burner part so as to burn a subsidiary burner only. The subsidiary burner part is formed by a natural gas supply type burner and can absorb primary air from a flow inlet (5sa) at an upstream end of a subsidiary burner hybrid tube (5s); the main burner part is formed by a forced air supply type burner capable of forcedly supplying primary air from an air supply fan (8) connected to a main burner mixing tube (5m). Accordingly, even though an external diameter of a burner is reduced, poor combustion caused by lack of primary air in the main burner part can be avoided.
Description
Technical field
The present invention relates to a kind of furnace combustor with main burner portion and auxiliary burner portion, wherein this main burner portion possesses the main flame hole that multiple outer peripheral face at burner head presents opening, and this auxiliary burner portion possesses multiple outer peripheral face at burner head and presents the secondary flame hole of opening in the downside of main flame hole.
Background technology
As everyone knows, in the past, as this furnace combustor, can freely switch between following two states, that is: only to the supply combustion gas of auxiliary burner portion thus the state only making auxiliary burner burn and also supply combustion gas thus the state (for example, referring to patent document 1) also making main burner portion burn to main burner portion.
At this, in above-mentioned example in the past, main burner portion and auxiliary burner portion are made up of natural Gas feeding burner, with make it possible to from main burner with and the inflow entrance of upstream extremity of each mixing tube of auxiliary burner attract primary air, and via each mixing tube, the gaseous mixture that excess air ratio (primary air amount/theoretical air requirement) does not reach 1 is supplied in main burner portion and auxiliary burner portion.In addition, as everyone knows, in the past, make the excess air ratio of the gaseous mixture supplying main burner portion higher than the excess air ratio of the gaseous mixture in supply auxiliary burner portion, the phenomenon (for example, referring to patent document 2) that the flame of main combustion section extends upward in order to seek auxiliary air can be suppressed like this.
In addition, in order to improve thermal efficiency when utilizing furnace combustor to heat cooking container, preferably reducing burner external diameter (external diameter of burner head), can heat cooking container throughout the bottom central part of cooking container like this.But once reduce burner external diameter, the pressure loss of burner internal will become large, and this can make the traffic attraction of primary air reduce.Therefore, present situation is: in order to the burning preventing the deficiency of the primary air at place of main burner portion from causing is bad, just can not too reduce burner external diameter, so also just cannot reach the object fully improving the thermal efficiency.
Patent document 1: Japanese Unexamined Patent Publication 2008-281271 publication
Patent document 2: Japanese Unexamined Patent Publication 2009-58195 publication
Summary of the invention
The present invention is point in view of the above-mentioned problems, even if using the bad furnace combustor of provide a kind of minimizing burner external diameter also can not produce burning that the primary air deficiency at place of main burner portion causes as problem to be solved.
In order to solve above-mentioned problem, furnace combustor of the present invention has main burner portion and auxiliary burner portion, wherein this main burner portion possesses the main flame hole that multiple outer peripheral face at burner head presents opening, this auxiliary burner portion possesses multiple outer peripheral face at burner head and presents the secondary flame hole of opening in the downside of main flame hole, and this furnace combustor can freely only to the supply combustion gas of auxiliary burner portion thus the state only making auxiliary burner portion burn and also supply combustion gas thus switch between the state also making main burner portion burn to main burner portion; The feature of this furnace combustor is, auxiliary burner portion is made up of natural Gas feeding burner, to make it possible to from the inflow entrance of the upstream extremity of auxiliary burner mixing tube to attract primary air; Main burner portion is made up of forced air supply formula burner, and this forced air supply formula burner forcibly supplies primary air from air feed air blast to main burner mixing tube.
According to the present invention, owing to forming main burner portion by forced air supply formula burner, therefore, even if burner external diameter reduces to cause the pressure loss to become large, it is bad also can not to produce the burning that primary air deficiency causes.So, burner external diameter can be reduced, the thermal efficiency under the strong fiery state also making main burner portion burn can also be improved.In addition, once auxiliary burner portion is also made up of forced air supply formula burner, in order to prevent blow out just can not so significantly subtend auxiliary burner portion supply fuel gas supply amount carry out throttling, but, if form auxiliary burner portion by natural Gas feeding burner as the present invention, the problem of blowing-out would not be produced, also just can fully subtend auxiliary burner portion supply fuel gas supply amount carry out throttling, thus can guarantee regulate ratio.
In addition, in the present invention, preferably, when supplying combustion gas to main burner portion, when lighting a fire from auxiliary burner portion to main burner portion movable flame, from to the supply combustion gas of main burner portion until till the stipulated time, air feed air blast is stopped, or make the revolution of air feed air blast lower than the combustion gas supplied to main burner portion quantity delivered corresponding to benchmark revolution.At this, once primary air amount is more when lighting a fire in main burner portion, tempering can be produced or the bad problems such as sound is larger of lighting a fire, but, if as described above, air feed air blast is stopped, or reduce air blast revolution, bad problem recited above will be prevented.
Accompanying drawing explanation
Fig. 1 is the stereogram of the furnace combustor of embodiment of the present invention.
Fig. 2 is the sectional view cut off along II in Fig. 1-II line.
Fig. 3 is the flow chart representing the control content started to the air feed air blast during supply combustion gas of main burner portion.
Symbol description:
1 furnace combustor
1m main burner portion
1s auxiliary burner portion
3 burner heads
The main flame hole of 4m
The secondary flame hole of 4s
5m main burner mixing tube
5s auxiliary burner mixing tube
8 air feed air blasts
Detailed description of the invention
With reference to Fig. 1, the furnace combustor 1 of embodiments of the present invention has: be inserted through the annular burner head 3 on the burner body 2 of the burner opening eliminating illustrated stove and accessory top board and burner body 2.At the outer peripheral face of burner head 3, main flame hole 4m presents multiple opening in the mode spaced apart at circumferencial direction respectively with the secondary flame hole 4s being positioned at its lower position.In addition, total aperture area of secondary flame hole 4s is less than total aperture area of main flame hole 4m.
As shown in Figure 2, burner body 2 has: the cylindrical shell of three layers be made up of outside cylindrical shell 21, middle cylinder 22 and inside cartridge 23.Burner head 3 is made up of the head portion parts 32 of the head portion parts 31 of: the ring-type being provided with the cylinder portion 31a chimeric with the middle cylinder 22 of burner body 2 of hanging down in inner circumferential side, the ring-type being provided with the cylinder portion 32a chimeric with the inside cartridge 23 of burner body 2 of hanging down in lower surface inner peripheral portion.
Be equipped with at the upper surface peripheral part of head portion parts 31: keep supplying the upper annular wall 33 that head piece 32 is taken a seat.At upper annular wall 33, be formed multiple there is spaced mode at circumferencial direction: cave in downwards from the upper surface of upper annular wall 33 and be the groove being formed main flame hole 4m.Further, the upper end of these grooves, by head portion parts 32 shutoff, can form main flame hole 4m thus between head portion parts 31 and head portion parts 32.In addition, main flame hole 4m is communicated with the space that inside cartridge 23 surrounds with the middle cylinder 22 by head portion parts 31, head portion parts 32, burner body 2, forms the main burner portion 1m with main flame hole 4m by these head portion parts 31, head portion parts 32, middle cylinder 22 and inside cartridge 23.
In addition, head portion parts 31 lower surface peripheral part hang down be provided with: the lower annular wall 34 being seated at the position, upper end of the outside cylindrical shell 21 of burner body 2.In lower annular wall 34, be formed multiple there is spaced mode at circumferencial direction: cave in upward from its lower surface and be the groove being formed secondary flame hole 4s.Further, by the lower end of these grooves by the upper end shutoff of outside cylindrical shell 21, secondary flame hole 4s can be formed between main burner main body 2 and head portion parts 31 thus.In addition, secondary flame hole 4s is communicated with the space that middle cylinder 22 surrounds with the outside cylindrical shell 21 by head portion parts 31 and burner body 2, forms the auxiliary burner portion 1s with secondary flame hole 4s by these head portion parts 31, outside cylindrical shell 21 and middle cylinder 22.
Burner 1 also has: the auxiliary burner mixing tube 5s that the space between the outside cylindrical shell 21 of the main burner mixing tube 5m be communicated with the space between the middle cylinder 22 of burner body 2 and inside cartridge 23 and burner body 2 and middle cylinder 22 is communicated with.With reference to Fig. 1, combustion gas is fed into main burner mixing tube 5m via from universal gas supply road 6 branch main burner fuel gas supply road 6m out, and combustion gas is also fed into auxiliary burner mixing tube 5s via from universal gas supply road 6 branch auxiliary burner fuel gas supply road 6s out.
Universal gas supply road 6 is provided with first magnetic valve 61 and gas consumption adjusting valve 62, in addition, main burner fuel gas supply road 6m is provided with main burner magnetic valve 63.And, by main burner the pass valve of magnetic valve 63 and valve opening, freely combustion gas can only supplied auxiliary burner portion 1s thus the state only making auxiliary burner portion 1s burn and also being switched between the state also making main burner portion 1m burn by fuel gas supply main burner portion 1m.In addition, ignition spark plug 7 is provided with face to face with the upper position of the circumference of auxiliary burner portion 1s, by carrying out ignition operation to eliminating the functional unit that illustrated point stops working and make ignition spark plug 7 spark discharge, thus auxiliary burner portion 1s is lighted a fire.
At this, auxiliary burner portion 1s is made up of natural Gas feeding burner, that is make the inflow entrance 5sa along with the upstream extremity with auxiliary burner mixing tube 5s facing and eliminate the fuel gas injection that illustrated gas nozzle carries out, and attract primary air from inflow entrance 5sa.On the other hand, air feed air blast 8 is connected with at the upstream extremity of main burner mixing tube 5m.And, main burner portion 1m be by by primary air from air feed air blast Final 8 property the forced air supply formula burner that supplies form.In addition, the side near the upstream extremity of main burner mixing tube 5m is provided with: with mixing tube 5m inside eliminate the gas-flow entrance 5ma that illustrated gas nozzle is connected, be connected with main burner fuel gas supply road 6m at this gas-flow entrance 5ma.
Above-mentioned first magnetic valve 61, gas consumption adjusting valve 62, main burner magnetic valve 63 and air feed air blast 8 utilize be made up of microcomputer eliminate illustrated controlling organization and controlled.Unit's magnetic valve 61 is with controlled by the mode of closing valve by valve opening and by quenching operations by an ignition operation of flame-out functional unit.Gas consumption adjusting valve 62 is with to eliminate the mode that functional unit that illustrated firepower regulates changes with being connected controlled with its aperture.Main burner magnetic valve 63 makes the mode of this main burner magnetic valve 63 valve opening controlled when being and crossing the centre position of regulation with firepower adjustment functional unit and be operated into strong fiery side.In addition, even if to be the modes that can carry out rotating with the benchmark revolution corresponding to the quantity delivered supplying combustion gas to main burner portion 1m when also main burner portion 1m burns when crossing the centre position of regulation with firepower adjustment functional unit and be operated into strong fiery side controlled for air feed air blast 8.This benchmark revolution is configured to: the excess air ratio of the gaseous mixture of supply main burner portion 1m reaches the higher value of about 0.8 ~ 1.
If form main burner portion 1m by forced air supply formula burner as in the present embodiment, even if burner external diameter reduces to cause the pressure loss to become large, it is bad also can not to produce the burning that primary air deficiency causes.So, burner external diameter can be reduced, the thermal efficiency under the strong fiery state also making main burner portion 1m burn can be improved.In addition, once auxiliary burner portion 1s is also made up of forced air supply formula burner, in order to prevent blow out just can not so significantly subtend auxiliary burner portion 1s supply fuel gas supply amount carry out throttling, but, if form auxiliary burner portion 1s by natural Gas feeding burner as in the present embodiment, just do not worry the problem of blowing out, also just subtend auxiliary burner portion 1s supplies fully fuel gas supply amount can carry out throttling, thus large adjustment (turn down) ratio can be guaranteed.
In addition, combustion gas is supplied to main burner portion 1m when utilizing the valve opening of main burner magnetic valve 63, when lighting a fire from auxiliary burner portion 1s to main burner portion 1m movable flame, once the primary air amount of supply main burner portion 1m is more, tempering will be produced or the bad problems such as sound is larger of lighting a fire.In addition, when initial main burner magnetic valve 63 carries out valve opening, combustion gas after gas consumption adjusting valve 62 starts to shunt to main burner fuel gas supply road 6m, because the quantity delivered of the combustion gas supplied to auxiliary burner portion 1s presents temporary minimizing, therefore, auxiliary burner 1s, once more, just likely blows out because of the air sprayed from main burner portion 1m by the primary air amount of supply main burner portion 1m.
Therefore, in the present embodiment, by controlling organization, control as described below is carried out to air feed air blast 8.Namely, as shown in Figure 3, when starting to supply combustion gas to main burner portion 1m, that is when making main burner magnetic valve 63 valve opening (STEP1), in the same manner as before main burner is by magnetic valve 63 valve opening, air feed air blast 8 is maintained halted state, or makes air feed air blast 8 carry out rotating (STEP2) with the revolution that the benchmark revolution corresponding to the quantity delivered than the combustion gas supplied to main burner portion 1m is low.Then, judge: from main burner magnetic valve 63 valve opening (starting to supply combustion gas to main burner portion 1m), whether have passed through the stipulated time (such as, 2 seconds) (STEP3), until till the stipulated time, air feed air blast 8 is maintained halted state or low rotation status, after have passed through the stipulated time, then air feed air blast 8 is made to carry out rotating (STEP4) with the benchmark revolution corresponding to the quantity delivered of the combustion gas supplied to main burner portion 1m.
Thus, the generation of following bad problem can be prevented, that is:, when main burner portion 1m light a fire supplying combustion gas to main burner portion 1m, produce tempering, or igniting sound comparatively greatly, or auxiliary burner 1s such as to be blown out at the problem.
Above, with reference to accompanying drawing, present embodiment is illustrated, but the present invention is not restricted to this.Such as, in the above-described embodiment, although be provided with gas consumption adjusting valve 62 on universal gas supply road 6, also on main burner fuel gas supply road 6m He on auxiliary burner fuel gas supply road 6s, gas consumption adjusting valve can be set respectively.In this case, the gas consumption adjusting valve that main burner fuel gas supply road 6m is arranged can be made to have additional: the pass valve function of blocking completely main burner fuel gas supply road 6m, so just can omit the main burner magnetic valve 63 in above-mentioned embodiment.
Claims (2)
1. a furnace combustor, this furnace combustor has main burner portion and auxiliary burner portion, wherein this main burner portion possesses the main flame hole that multiple outer peripheral face at burner head presents opening, this auxiliary burner portion possesses multiple outer peripheral face at burner head and presents the secondary flame hole of opening in the downside of main flame hole, and this furnace combustor can freely only to the supply combustion gas of auxiliary burner portion thus the state only making auxiliary burner burn and also supply combustion gas thus switch between the state also making main burner burn to main burner; The feature of this furnace combustor is,
Auxiliary burner portion is made up of natural Gas feeding burner, to make it possible to from the inflow entrance of the upstream extremity of auxiliary burner mixing tube to attract primary air;
Main burner portion is by forming from the main burner forced air supply formula burner that the air feed air blast that mixing tube is connected forcibly supplies primary air.
2. furnace combustor according to claim 1, is characterized in that:
When supplying combustion gas to main burner portion, when lighting a fire from auxiliary burner portion to main burner portion movable flame, from to the supply combustion gas of main burner portion until till the stipulated time, air feed air blast is stopped, or make the revolution of air feed air blast lower than the combustion gas supplied to main burner portion quantity delivered corresponding to benchmark revolution.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013133320A JP6215594B2 (en) | 2013-06-26 | 2013-06-26 | Comrobana |
| JP2013-133320 | 2013-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104251489A true CN104251489A (en) | 2014-12-31 |
| CN104251489B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322376A (en) * | 2015-07-10 | 2017-01-11 | 林内株式会社 | Stove burner |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105494U (en) * | 1980-01-14 | 1981-08-17 | ||
| JPS57149431A (en) * | 1981-03-11 | 1982-09-16 | Nippon Steel Corp | Heating method for slab in soaking pit |
| GB2181228A (en) * | 1985-10-09 | 1987-04-15 | Valor Newhome Ltd | Simulated solid fuel gas fires |
| KR100376526B1 (en) * | 1998-05-13 | 2003-07-16 | 주식회사 포스코 | Main burner of two steps combustion type in annealing furnace |
| JP2005192509A (en) * | 2004-01-09 | 2005-07-21 | Kyuhan Kk | Oven apparatus |
| JP2008281271A (en) * | 2007-05-10 | 2008-11-20 | Rinnai Corp | Stove burner |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5810535U (en) * | 1981-07-15 | 1983-01-24 | 東邦瓦斯株式会社 | Gas burner with Plast burner and Bunsen burner |
| JP2000304212A (en) * | 1999-04-15 | 2000-11-02 | Matsushita Electric Ind Co Ltd | Cooking stove |
| JP4595599B2 (en) * | 2005-03-15 | 2010-12-08 | パロマ工業株式会社 | Gas stove |
-
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 (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105494U (en) * | 1980-01-14 | 1981-08-17 | ||
| JPS57149431A (en) * | 1981-03-11 | 1982-09-16 | Nippon Steel Corp | Heating method for slab in soaking pit |
| GB2181228A (en) * | 1985-10-09 | 1987-04-15 | Valor Newhome Ltd | Simulated solid fuel gas fires |
| KR100376526B1 (en) * | 1998-05-13 | 2003-07-16 | 주식회사 포스코 | Main burner of two steps combustion type in annealing furnace |
| JP2005192509A (en) * | 2004-01-09 | 2005-07-21 | Kyuhan Kk | Oven apparatus |
| JP2008281271A (en) * | 2007-05-10 | 2008-11-20 | Rinnai Corp | Stove burner |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322376A (en) * | 2015-07-10 | 2017-01-11 | 林内株式会社 | Stove burner |
| CN106322376B (en) * | 2015-07-10 | 2019-06-18 | 林内株式会社 | Burner for stove |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015007512A (en) | 2015-01-15 |
| KR20150001609A (en) | 2015-01-06 |
| KR101519501B1 (en) | 2015-05-21 |
| JP6215594B2 (en) | 2017-10-18 |
| HK1200522A1 (en) | 2015-08-07 |
| CN104251489B (en) | 2017-09-05 |
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