CN100561045C - Heat-storage type burner and heating furnace - Google Patents
Heat-storage type burner and heating furnace Download PDFInfo
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- CN100561045C CN100561045C CNB2007100055502A CN200710005550A CN100561045C CN 100561045 C CN100561045 C CN 100561045C CN B2007100055502 A CNB2007100055502 A CN B2007100055502A CN 200710005550 A CN200710005550 A CN 200710005550A CN 100561045 C CN100561045 C CN 100561045C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention provides a kind of heat-storage type burner and heating furnace, can switch the direction of flame, make shape the best of flame.In the gas supply hole that on burner block, forms as the part of furnace wall, dispose the burner nozzle (7) that gas is forwards derived, be provided with port (9,10) with breathable heat-storing material (13) in the both sides that clip the gas supply hole, and, in the gas supply hole, clip burner nozzle and dispose the air nozzle (7a, 7b) that sprays pressure-air to the place ahead of port (9,10) (7).Be directed to the place aheads of port (10) from the pressure-air of air nozzle (7a) ejection in the mode that clips burner nozzle (7), be directed to the place ahead of port (9) from the pressure-air of air nozzle (7b) ejection in the mode that clips burner nozzle (7).
Description
Technical field
The present invention relates to a kind of heat-storage type burner and the heating furnace that is assembled with this heat-storage type burner.
Background technology
As heat-storage type burner, as patent documentation 1 is put down in writing, such double burner type is arranged: be provided with the heat storage that on both direction arranged in a crossed manner mutually, has intercommunicating pore on the furnace wall, in body of heater, in above-mentioned heat storage intercommunicating pore, be connected with air inlet-outlet pipe respectively, and near the heat storage intercommunicating pore in body of heater, dispose burner nozzle, in stove, import combustion air from the air inlet-outlet pipe that is connected with a heat storage intercommunicating pore, and in stove, spray fuel and make its burning near the burner nozzle the above-mentioned heat storage intercommunicating pore, on the other hand, reclaim action with the heat extraction that following two actions were alternately carried out in the above-mentioned heat storage intercommunicating pore every the scheduled time, that is, make burning gases be communicated with and reclaim the action of heat extraction by another heat storage intercommunicating pore of heat storage in combustion space and the stove; And the combustion event of being undertaken by near the burner nozzle the air inlet-outlet pipe in another heat storage intercommunicating pore and another heat storage intercommunicating pore.
In the double burner type that above-mentioned patent documentation 1 is put down in writing, need two independently burner nozzles, and the switching mechanism that alternately switches these two burner nozzles is indispensable.Therefore as patent documentation 2 and patent documentation 3 are put down in writing, such combination burner type has been proposed: by can about switch the emission direction of fuel the both sides of burner nozzle port is set respectively, thereby with about the burner nozzle of independent setting focus on central authorities and become a burner nozzle.
In addition in above-mentioned patent documentation 3, as the change example, the single burner type of switching the mode of fuel emission direction by the direction that changes burner nozzle is disclosed, and in patent documentation 3, as existing example, disclose before burning air has been pre-mixed structure (Fig. 4) in the fuel.In addition, in patent documentation 4, also disclose by the front end that makes burner nozzle and be divided into two bursts of single burner types that make the mode of fuel both direction ejection to the left and right, the burner that can change the emission direction of fuel in the device that patent documentation 3 is put down in writing only needs a nozzle to get final product, and does not need and the device that patent documentation 4 is put down in writing changes the direction of burner nozzle.In addition, as patent documentation 5 is put down in writing, the emission direction that the makes fuel single burner type towards the front is arranged also.
Patent documentation 1: Japanese patent gazette spy opens flat 10-54667 number
Patent documentation 2: Japanese patent gazette spy opens 2002-81868 number
Patent documentation 3: Japanese patent gazette spy opens flat 8-285266 number
Patent documentation 4: Japanese patent gazette spy opens flat 9-89242 number
Patent documentation 5: Japanese patent gazette spy opens flat 6-46138 number
In double burner type and combination burner type, need be used for alternately utilizing the switching mechanism of two burner nozzles, in addition, switching in the single burner type of fuel emission direction by the direction that changes burner nozzle, need be used to change the switching mechanism of fuel emission direction, relative therewith, in the single burner type that is divided into two bursts of modes that make fuel both direction ejection to the left and right by the front end that makes burner nozzle, though do not need to switch, but, fuel completing combustion to the port side ejection that combustion air is imported, and fuel moment of discharging port side ejection that gas derives to burning just is inhaled in the port, directly discharges under unburnt state.In addition, in the single burner type that patent documentation 5 is put down in writing because flame expands towards the front, thus be not suitable for making flame in annulus combustion chamber to the right or the heating furnace of turning left.
In addition, in the existing example of patent documentation 3, in advance air is blended in the fuel, but air changes according to furnace pressure, air pressure and fuel pressure with respect to the best ratio of fuel, and furnace pressure, air pressure change greatly according to furnace temperature, so be difficult to carry out all the time best premixed.
Summary of the invention
Technical scheme one described invention is a kind of heat-storage type burner, it is characterized in that, in being formed at the fuel supply hole of furnace wall, dispose the burner nozzle that fuel is forwards derived, be provided with port with breathable heat-storing material in the both sides that clip the fuel supply hole, and, in the fuel supply hole, dispose air nozzle, from will lead from the fuel that burner nozzle is derived the place ahead of port of the pressure-air of air nozzle ejection to the place ahead of port ejection pressure-air with clipping burner nozzle.
According to foregoing invention, technical scheme two described inventions are characterised in that, are being provided with wall outstanding in stove between the port.
Technical scheme three described inventions are a kind of heat-storage type burners, it is characterized in that, in being formed at the fuel supply hole of furnace wall, dispose the burner nozzle that fuel is forwards derived, be provided with port in the both sides that clip the fuel supply hole, be provided with wall outstanding in stove between the port with breathable heat-storing material.
Technical scheme four described inventions are a kind of heating furnaces, it is characterized in that above-mentioned heating furnace is assembled with above-mentioned heat-storage type burner.
According to technical scheme one described invention, can reach such effect: can switch the direction of flame by the effect of pressure-air, can make shape the best of flame.
According to technical scheme two described inventions, by so that wall is set, on the basis of above-mentioned effect, prevent that so-called short circuit from making the extremely good effect of efficiency of combustion thereby also reached.
According to technical scheme three described inventions,, prevent that short circuit from making the extremely good effect of efficiency of combustion thereby reached by wall is set.
According to technical scheme four described inventions, reached the effect of the heating furnace that the above-mentioned effect of performance can be provided.
Description of drawings
Fig. 1 is the longitudinal section key diagram of heating furnace with heat-storage type burner of embodiments of the present invention.
Fig. 2 is the cross-sectional illustration figure of heating furnace with heat-storage type burner of embodiments of the present invention.
Fig. 3 is the front key diagram of the heat-storage type burner of embodiments of the present invention.
Fig. 4 is the cross-sectional illustration figure of the heat-storage type burner of embodiments of the present invention.
Label declaration
1: heating furnace; 2: crucible; 2a: flange; 3: burner unit; 4: burner block; 5: annulus combustion chamber; 6: base; 7: burner nozzle; 7a, 7b: air nozzle; 8: the gas supply hole; 9,10: port; 11,12: transfer valve; 13: heat-storing material; 14: wall.
The specific embodiment
The description of drawings that following basis is suitable has the heating furnace of the heat-storage type burner of an embodiment of the invention.Fig. 1 is the longitudinal section of this heating furnace 1, and Fig. 2 is the cross-sectional view of heating furnace 1.Central authorities are provided with crucible 2 in the stove of heating furnace 1.In addition, be equipped with the burner block 4 of having assembled gas burner unit 3 at the sidewall of heating furnace 1, burner block 4 becomes the part of furnace wall.
It is the furnace inner space that circle and upper surface open wide that heating furnace 1 has cross section, in this furnace inner space, the cross section be the crucible 2 of U word shape by the flange 2a floating support of being located at top edge, between the side face of the furnace wall of furnace inner space and crucible 2, be formed with annulus combustion chamber 5.In addition, central authorities are provided with base 6 in the bottom surface of furnace inner space, also can be on this base 6 direct mounting crucible.
On the other hand, each air nozzle 7a, 7b make front end towards burner nozzle 7 lateral bending songs, and can be from their front end ejection pressure-air.Herein, pressure-air is greater than atmospheric pressure but less than the pressure-air of the critical pressure that can supply with in stove, but in order to obtain action effect described later significantly, the preferred pressure scope be 50kPa (kPa)～0.5MPa (MPa).Be directed to the place ahead of port 10 from the pressure-air of air nozzle 7a ejection in the mode that clips burner nozzle 7, be directed to the place ahead of port 9 from the pressure-air of air nozzle 7b ejection in the mode that clips burner nozzle 7.In addition, the controller with headed by the valve in the gas burner unit 3 is exposed to outside the stove.
Be provided with port 9,10 about gas supply hole 8, port 9,10 switches mutually with exhaust duct with respect to air intake duct by transfer valve 11,12 and is connected.In addition, in port 9,10, be filled with the breathable heat-storing material.The cross section of each port 9,10 is that each port 9,10 is formed with laterally the inclined-plane of (with up and down) expansion at the opening portion in stove in the long rectangular shape of above-below direction.In port 9,10, be filled with breathable heat-storing material 13.In addition, be connected with air blast, be connected with chimney on the top of exhaust duct on the top of air intake duct.
In addition,, say so in more detail between port 9,10, be provided with wall 14,14 outstanding in stove in the outside up and down of the peristome of gas supply hole 8 in the central authorities of burner block 4.
Next the drive manner of this heating furnace 1 is described.Port 9 on the right side is connected with air intake duct, under the port 10 in left side and the state that exhaust duct is connected, air nozzle 7b ejection pressure-air from the left side, light by igniter from the gas of the front end of burner nozzle 7 ejection on the other hand, and be released in the annulus combustion chamber 5 from gas supply hole 8.Towards the right side, and the combustion air that imports with port 9 from the right side and pressure-air mix and form flame the gas of emitting by means of pressure-air, and this flame flows under the effect of combustion air and pressure-air to the right with expanding.
Flame in the annulus combustion chamber 5 that is formed between furnace wall and the crucible week during, the natural law that can rise according to heated air, flame along the side face of crucible 2 in the shape of a spiral shape flow, arrive the flame of positive or its top of port 9 in left side and burning and discharge gas and be inhaled in the port 10 in left side.
Herein, outstanding wall 14 in stove has been owing to covered combustion air, gas and pressure-air, is sucked into the so-called short circuit in the port 10 immediately so can prevent combustion air etc., prevented imperfect combustion, helps to realize high efficiency burning.
In addition, by the injection of pressure-air, can make the shape of flame and direction be suitable shape and direction along annulus combustion chamber 5.And, by air nozzle being located at the both sides of burner nozzle, and make pressure-air left or right cut spray with changing, can switch the direction of flame to the left and right.And, by the ejection of pressure-air, can also promote the mixing of combustion air and gas, no longer need to carry out being pre-mixed of air, thus can simplified structure.In addition, owing to be high pressure,, can make the supply pressure of pressure-air constant, and can keep best combustion by simple action so can under the situation of the influence that is subjected to the furnace pressure change hardly, gas and combustion air be mixed.
The burning discharge gas of deriving from the port 10 in left side carries out heat exchange by heat-storing material 13 time, emit from chimney then.The moment that surpasses certain value in the amount of stored heat of heat-storing material, operation transfer valve 11,12, the port 9 that is connected with air intake duct before this become with exhaust duct be connected, and the port 10 that is connected with exhaust duct become with air intake duct be connected, and then the injection source of pressure-air become air nozzle 7a, flame and burning at this moment discharged gas to flowing and a week in stove with above-mentioned opposite direction.
At this moment, be accumulated in the heat energy in the heat-storing material 13 in the port 10 that is connected with above-mentioned exhaust duct, in switching to the port 10 that is connected with air intake duct, and carry out heat exchange between the inhaled air, combustion air is preheated thus.
By alternately switching port 9,10 with respect to air intake duct and exhaust duct like this, the preheating that the heat energy that is contained in the gas is used for combustion air is efficiently discharged in burning.
Below, illustration is mainly by changing other embodiments of the present invention that above-mentioned embodiment forms.With respect to a heating furnace a plurality of heat-storage type burners are set.Making burner nozzle is the liquid fuel parts.Change cross sectional shape, path, the number of port; The configuration of heat-storing material and number; And the configuration of air nozzle and number etc.
In addition, to be assembled in two respectively be in two formula heat-accumulation combustors of one group to the air nozzle that sprays pressure-air in the mode of combustion air side that burning gases are led.That is, port, fuel supply hole and air nozzle are set on every platform, and with they combinations.
Or single-ended gas burner (at the impregnated burner of combustion inner pipe): wherein a pair of port of the side is set above about gas supply hole oblique with such structure, and the opposing party's a pair of port is set below about above-mentioned gas supply hole oblique, and be provided with can from the below of burner nozzle front end or top towards above or below (a pair of) air nozzle of inject high pressure air, and the pipe etc. in the place ahead, the outside of common encirclement port, burner nozzle, air nozzle is set.
In having used such pipe burner of the present invention, reaching on the basis of above-mentioned action effect, also reached such action effect: can make flame remain on the pipe front end by means of pressure-air, compare with not supplying with the situation that pressure-air flame discharges from port immediately with regard to not arriving the pipe front end, can provide efficient high burning.
Claims (3)
1, a kind of heat-storage type burner is characterized in that,
In being formed at the fuel supply hole of furnace wall, dispose the burner nozzle that fuel is forwards derived,
Be provided with port in the both sides that clip the fuel supply hole with breathable heat-storing material, and,
In the fuel supply hole, dispose air nozzle to the place ahead of port ejection pressure-air with clipping burner nozzle,
From will lead from the fuel that burner nozzle is derived the place ahead of port of the pressure-air of air nozzle ejection.
2, heat-storage type burner according to claim 1 is characterized in that,
Be provided with wall outstanding in stove between the port.
3, a kind of heating furnace is characterized in that,
Above-mentioned heating furnace is assembled with claim 1 or 2 described heat-storage type burners.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006109084 | 2006-04-11 | ||
| JP2006109084A JP4892270B2 (en) | 2006-04-11 | 2006-04-11 | Regenerative burner and furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101055074A CN101055074A (en) | 2007-10-17 |
| CN100561045C true CN100561045C (en) | 2009-11-18 |
Family
ID=38680279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100055502A Active CN100561045C (en) | 2006-04-11 | 2007-02-12 | Heat-storage type burner and heating furnace |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4892270B2 (en) |
| CN (1) | CN100561045C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012189241A (en) * | 2011-03-09 | 2012-10-04 | Niimi Sangyo Kk | Heat storage type burner furnace |
| CN102865741B (en) * | 2012-09-27 | 2014-07-23 | 北京慧研义和科技有限公司 | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof |
| CN107036083A (en) * | 2017-06-08 | 2017-08-11 | 深圳市鸿效节能股份有限公司 | A kind of small-sized kiln combustion system |
| JP2021028553A (en) * | 2019-08-09 | 2021-02-25 | 株式会社ノーリツ | Heat source machine |
| JP7248744B2 (en) * | 2021-06-28 | 2023-03-29 | 三菱重工パワーインダストリー株式会社 | Gas burner and gas-fired boiler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4020575B2 (en) * | 2000-09-06 | 2007-12-12 | 大阪瓦斯株式会社 | heating furnace |
| JP2004301372A (en) * | 2003-03-28 | 2004-10-28 | Osaka Gas Co Ltd | Combustion equipment |
-
2006
- 2006-04-11 JP JP2006109084A patent/JP4892270B2/en active Active
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2007
- 2007-02-12 CN CNB2007100055502A patent/CN100561045C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP4892270B2 (en) | 2012-03-07 |
| CN101055074A (en) | 2007-10-17 |
| JP2007278670A (en) | 2007-10-25 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| CI02 | Correction of invention patent application |
Correction item: Inventor Correct: Ya Shinya False: Ye Xinye Number: 42 Page: The title page Volume: 23 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SEIYA YEXIN TO: SHINYA NAKANO |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |