CN101191613A - Burner for blue burning flare gas water heater - Google Patents
Burner for blue burning flare gas water heater Download PDFInfo
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- CN101191613A CN101191613A CNA2006101453911A CN200610145391A CN101191613A CN 101191613 A CN101191613 A CN 101191613A CN A2006101453911 A CNA2006101453911 A CN A2006101453911A CN 200610145391 A CN200610145391 A CN 200610145391A CN 101191613 A CN101191613 A CN 101191613A
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- burner
- water heater
- gas water
- flare gas
- blue
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Abstract
The invention relates to a gas water heater, in particular to a burner of a blue flame gas water heater, which is composed of a plurality of parallel arranged fire grate burners, wherein, a ventilation gap with the width of t is arranged between adjacent fire grate burners. The burner provided by the invention can guarantee the primary air coefficient within range of 0.5 to 0.7, and can receive clear, transparent and visible blue burning flame under proper blasting condition, the content of CO in flue gas is below 300ppm which is far lower than that specified by national standard, which is below 600ppm (strong exhaust device); meanwhile, the heat exchange is sufficient, and the heat efficiency above 88 percent is higher than the standard of 80 percent specified by the national standard, and is 2 percent to 5 percent higher than similar types, hence a real blue flame burning.
Description
Technical field
The present invention relates to a kind of gas heater, the burner of the clean-burning blue burning flare gas water heater of particularly a kind of combustion gas energy.
Background technology
Gas heater is the widely used a kind of water heater of current family, it has, and volume is little, firing rate is fast, and the advantage of instant-heating is along with the sternness of ecological deterioration and energy problem, energy-conservation and the environmental protection theme that becomes international also becomes the developing trend of combustion technology.For gas heater, improving combustion thermal efficiency, reducing toxic emission is a target of updating for a long time.
Existing closed gas heater structure mainly comprises as shown in Figure 1: parts such as water intaking valve 1, flow of inlet water inductor 2, gas valve 3, pulse igniter (not shown), blast tube 4, multiple row fire row burner 5, heat exchanger 6, blower fan 7 and exhaust fume collecting hood 8 constitute.The water of running water pipe enters heat exchanger 6 through water intaking valve 1, flow of inlet water inductor 2 water pipe carries out heat exchange with the high-temperature flue gas that burning produces; Combustion gas (natural gas, artificial coal gas, liquefied petroleum gas) enters injector that each row fire arrange burner 5 through blast tube by nozzle ejection by gas valve 3, spurt into the combustion gas of burner injector and draw the suction primary air, and mix the flammable premix gas of formation with primary air and discharge by the fire hole of burner, light through igniter, studies show that primary air ratio generally gets 0.5-0.7, the amount that is to say primary air is 5/10ths to 7/10ths of a combustion gas completing combustion required air quantity, this combustion process will produce a large amount of carbon monoxide, therefore need use blower fan 7 to combustor blast simultaneously, air upwards enters the combustion chamber by the strip crevice between each row fire row burner becomes the auxiliary air that carbon monoxide is burnt.
During the gas heater normal combustion, flame should be limpid, transparent, is tangible blueness, and CO content in smoke must be lower than the standard limit value, can not tempering, from flame; When using reference gas Huang Yan can not be arranged.Blue flame when burning, sufficient combustion, thoroughly, pernicious gas content is low in high, the flue gas of the thermal efficiency.Reach limpid, transparent, be the flame of tangible blueness, the structure and the blue flame of several key components and parts such as gas valve, nozzle, burner, heat exchanger, Forced discharge fan have substantial connection, and burner wherein is particularly important.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and can obtain limpidly, transparent, is the burner of blue burning flare gas water heater of the flame of tangible blueness.
The technical scheme of burner that realizes blue burning flare gas water heater of the present invention is as follows:
A kind of burner of blue burning flare gas water heater, the fire row burner that is arranged in parallel by n constitutes, wherein: the ventilation cell that has width between the described adjacent fire row burner and be a t every.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
The burner of described blue burning flare gas water heater, wherein, ventilation cell is every t=(0.15～0.25) b, and b is the width of fire row burner.
The burner of described blue burning flare gas water heater, wherein, the amount of the stating n of the described fire row burner that is arranged in parallel is any one positive number in 4～15.
The burner of described blue burning flare gas water heater, wherein, described fire row burner is flat hollow box, its top is a combustion front, is provided with row's fire hole on it at least, and described fire hole is communicated in the combustible gas passage below it, one side is provided with cylindrical perforation in the bottom of flat hollow box, described cylindrical perforation connection one has the convergent-divergent pipe of throat, and described convergent-divergent pipe constitutes the premixer of combustion gas and primary air, and described premixer connects described fire hole by the combustible gas passage.
The burner of described blue burning flare gas water heater, wherein, described premixer is that the drainage tube by inside and outside two-way ㄥ shape connects described combustible gas passage.
The burner of described blue burning flare gas water heater, wherein, described premixer 27 is the described combustible gas passages 23 of drainage tube 28,29 formations by inside and outside two-way ㄥ shape.
The inside lock radius R of drainage tube 29 corners of described outer ㄥ shape is between 13～17mm, and preferable is between 15～16mm, preferred 15.6mm; The angle of revolution of the drainage tube of interior ㄥ shape is 18～23 °, preferred 21 °; The width of described drainage tube is 6～8mm.
The burner of described blue burning flare gas water heater, wherein, described fire hole is a rectangle, and its length and width are of a size of (3～6) mm * (0.4～0.6) mm, are preferably 4.5mm * 0.52mm, and the fire hole gross area is 30mm
2One 60mm
2
The burner of described blue burning flare gas water heater, wherein, the diameter of described perforation is 14-17mm.
The burner of described blue burning flare gas water heater, wherein, described throat diameter is 6-8mm.
The burner of described blue burning flare gas water heater, wherein, the distance between described throat and the nozzle face is 5-7mm.
The invention has the advantages that:
Burner provided by the present invention can guarantee that primary air ratio is in the 0.5-0.7 scope, under suitable air blast condition, can obtain combustion flame limpid, transparent, be tangible blueness, the content of CO is below 300PPm, below the 600PPm (forced-ventilated machine) of GB regulation in the flue gas; Heat exchange simultaneously is abundant, and the thermal efficiency is higher than 88%, is higher than 80% standard of GB regulation, exceeds 2%～5% than similar type, is blue flame burning truly.
For architectural feature of the present invention and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the structural representation of existing closed strong-ventilating gas water heater.
Fig. 2 is the vertical view of the burner of the closed strong-ventilating gas water heater of the present invention.
Fig. 3 is the structural representation that the fire of the formation burner of gas heater of the present invention is arranged burner.
Fig. 4 is the vertical view of Fig. 3.
The specific embodiment
The invention provides a kind of primary air ratio that can guarantee in the 0.5-0.7 scope, under suitable air blast condition, can obtain combustion flame limpid, transparent, be tangible blueness, the burner of the blue burning flare gas water heater of the content of CO below 300PPm in the flue gas, its structure is shown in Fig. 2,3, described burner is to be made of n fire row burner 20 that is arranged in parallel, wherein, having width between described adjacent fire row's burner is that the ventilation cell of t is every (as shown in Figure 2).The ventilation cell of the burner of described blue burning flare gas water heater is every t=(0.15～0.25) b, and b is the width of fire row burner.When the width of fire row burner was 12mm, the ventilation cell between the adjacent fire row burner was 2～3mm every t.
Under the blast condition of certain blower fan, ventilation cell is relevant every the size of the t auxiliary air amount during with burning, and auxiliary air is too little, will make burning insufficient, the flame jaundice, and flame temperature reduces, if the auxiliary air amount is too big, also can make flame temperature decline.
The quantity n of the described fire row burner that is arranged in parallel is any one positive number in 4～20.The quantity of described fire row's burner is relevant with required hot water temperature with the institute heat supply water yield, the quantity of used fire row burner is 11 in specific embodiments of the invention, and be divided into two groups, first group is 4, second group is 7, when required supply water temperature is low, only need light first group 4 fire row burners; When the needs supply water temperature is medium, then only light second group 7 fire row burners; When the needs supply water temperature was higher, then first group and second group fire row burner was lighted simultaneously.
Fig. 3, shown in Figure 4 be the structural representation of fire row burner of the formation burner of gas heater of the present invention.Shown in Fig. 3,4, described fire row burner is flat hollow box, its top 21 is the plane, at least be provided with row's fire hole 22 on it, described fire hole 22 is communicated in the combustible gas passage 23 below it, one side is provided with cylindrical perforation 24 in the bottom of flat hollow box, described cylindrical perforation 24 connections one have the convergent-divergent pipe 26 of throat 25, the expansion of described convergent-divergent pipe 26 constitutes the premixer 27 of combustion gas and primary air, and described premixer 27 connects described fire hole 22 by combustible gas passage 23.
Described premixer 27 is the described combustible gas passages 23 of drainage tube 28,29 formations by inside and outside two-way ㄥ shape.
The inside lock radius R of drainage tube 29 corners of described outer ㄥ shape is between 13～17mm, and preferable is between 15～16mm, preferred 15.6mm; The angle of revolution of the drainage tube of interior ㄥ shape is 18～23 °, preferred 21 °; The width of described drainage tube is 6～8mm.
Described fire hole 22 is a rectangle, and its length and width are of a size of (3～6) mm * (0.4～0.6) mm, are preferably 4.5mm * 0.52mm, and the fire hole gross area is 30mm
2～60mm
2
The diameter of described perforation 24 is 14～17mm.The diameter of throat 26 is 6～8mm.
Distance between described throat and the nozzle face is 5-7mm.
Claims (10)
1. the burner of a blue burning flare gas water heater is made of n fire row burner that is arranged in parallel, and it is characterized in that: the ventilation cell that has width between the described adjacent fire row burner and be a t every.
2. the burner of blue burning flare gas water heater according to claim 1 is characterized in that: described ventilation cell is every t=(0.15～0.25) b, and b is the width of fire row burner.
3. the burner of blue burning flare gas water heater according to claim 1 is characterized in that: the quantity n of the described fire row burner that is arranged in parallel is any one positive number in 4～15.
4. the burner of blue burning flare gas water heater according to claim 1, it is characterized in that: described fire row burner is flat hollow box, its top is a combustion front, at least be provided with row's fire hole on it, described fire hole is communicated in the combustible gas passage below it, one side is provided with cylindrical perforation in the bottom of flat hollow box, described cylindrical perforation connection one has the convergent-divergent pipe of throat, described convergent-divergent pipe constitutes the premixer of combustion gas and primary air, and described premixer connects described fire hole by the combustible gas passage.
5. the burner of blue burning flare gas water heater according to claim 4 is characterized in that: described premixer is that the drainage tube by inside and outside two-way ㄥ shape connects described combustible gas passage.
6. the burner of blue burning flare gas water heater according to claim 5 is characterized in that: described premixer 27 is that the drainage tube 28,29 by inside and outside two-way ㄥ shape constitutes described combustible gas passage 23; The inside lock radius R of drainage tube 29 corners of described outer ㄥ shape is between 13～17mm, and preferable is between 15～16mm, preferred 15.6mm; The angle of revolution of the drainage tube of interior ㄥ shape is 18～23 °, preferred 21 °; The width of described drainage tube is 6～8mm.
7. the burner of blue burning flare gas water heater according to claim 4, it is characterized in that: described fire hole is a rectangle, and its length and width are of a size of (3～6) mm * (0.4～0.6) mm, are preferably 4.5mm * 0.52mm, and the fire hole gross area is 30mm
2-60mm
2
8. the burner of blue burning flare gas water heater according to claim 4, it is characterized in that: the diameter of described perforation is 14-17mm.
9. the burner of blue burning flare gas water heater according to claim 4, it is characterized in that: described throat diameter is 6-8mm.
10. the burner of blue burning flare gas water heater according to claim 4, it is characterized in that: the distance between described throat and the nozzle face is 5-7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101453911A CN101191613B (en) | 2006-11-28 | 2006-11-28 | Burner for blue burning flare gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101453911A CN101191613B (en) | 2006-11-28 | 2006-11-28 | Burner for blue burning flare gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101191613A true CN101191613A (en) | 2008-06-04 |
| CN101191613B CN101191613B (en) | 2011-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101453911A Active CN101191613B (en) | 2006-11-28 | 2006-11-28 | Burner for blue burning flare gas water heater |
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| CN (1) | CN101191613B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890014A (en) * | 2016-06-02 | 2016-08-24 | 刘福祥 | Fully-automatic fuel gas combined heating device and process |
| CN107313984A (en) * | 2017-06-30 | 2017-11-03 | 广东万家乐燃气具有限公司 | Gas heater and guiding device |
| CN107477578A (en) * | 2017-10-09 | 2017-12-15 | 珠海格力电器股份有限公司 | Burner and water heater |
| CN109631038A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of gas burner in water heater |
| CN110513681A (en) * | 2018-05-22 | 2019-11-29 | 沃加斯布鲁恰托里有限责任公司 | Modular burner |
| CN110748882A (en) * | 2018-07-23 | 2020-02-04 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater who has it |
| WO2020140383A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Two-stage fuel burning row burner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191401086A (en) * | 1914-01-15 | 1915-02-15 | Walter Audaer Wilson | Improvements in and relating to Burners for the Production of a Silent Well Aerated Flame. |
| DE8005891U1 (en) * | 1980-03-01 | 1981-10-01 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | PRE-MIXED BURNER OF LOW SWITCHING POWER WITH A GAS-AIR MIXTURE |
| JP3636347B2 (en) * | 2000-10-12 | 2005-04-06 | 株式会社ノーリツ | Combustion equipment |
| CN2676070Y (en) * | 2004-01-20 | 2005-02-02 | 南京普鲁卡姆电器有限公司 | Double combustor type gas combustion warmer |
| CN2821403Y (en) * | 2005-09-27 | 2006-09-27 | 成都前锋电子电器集团股份有限公司 | Burner jet for water heater |
| CN2821404Y (en) * | 2005-09-27 | 2006-09-27 | 成都前锋电子电器集团股份有限公司 | Burner nozzle of water heater |
-
2006
- 2006-11-28 CN CN2006101453911A patent/CN101191613B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890014A (en) * | 2016-06-02 | 2016-08-24 | 刘福祥 | Fully-automatic fuel gas combined heating device and process |
| CN105890014B (en) * | 2016-06-02 | 2018-12-28 | 刘福祥 | A kind of automatic fuel gas combined heating apparatus and technique |
| CN107313984A (en) * | 2017-06-30 | 2017-11-03 | 广东万家乐燃气具有限公司 | Gas heater and guiding device |
| CN107477578A (en) * | 2017-10-09 | 2017-12-15 | 珠海格力电器股份有限公司 | Burner and water heater |
| CN110513681A (en) * | 2018-05-22 | 2019-11-29 | 沃加斯布鲁恰托里有限责任公司 | Modular burner |
| CN110748882A (en) * | 2018-07-23 | 2020-02-04 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater who has it |
| CN109631038A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of gas burner in water heater |
| WO2020140383A1 (en) * | 2019-01-02 | 2020-07-09 | 刘维 | Two-stage fuel burning row burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101191613B (en) | 2011-06-22 |
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