CN103851622A - Gas premixer and burner - Google Patents
Gas premixer and burner Download PDFInfo
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- CN103851622A CN103851622A CN201210524557.6A CN201210524557A CN103851622A CN 103851622 A CN103851622 A CN 103851622A CN 201210524557 A CN201210524557 A CN 201210524557A CN 103851622 A CN103851622 A CN 103851622A
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Abstract
The invention discloses a gas premixer and a gas burner. The gas premixer comprises a valve body, a gas mixing chamber which is arranged in the valve body, and an air inlet, a gas inlet and a mixed gas outlet which are arranged in the valve body and are respectively communicated with the gas mixing chamber. The premixer additionally comprises a gas adjusting mechanism which is used for adjusting gas inlet amount, wherein the gas adjusting mechanism comprises a first gas adjusting rod and a gas spray nozzle, one end of the gas spray nozzle is communicated with the gas mixing chamber, and the other end of the gas spray nozzle is matched with the first gas adjusting rod to adjust the maximum amount of gas which enters the gas mixing chamber from the gas inlet according to gas heat values; the gas adjusting mechanism additionally comprises a second gas adjusting rod, a second gas inlet which is communicated with the gas mixing chamber is additionally formed in the valve body corresponding to the second gas adjusting rod, and the second gas adjusting rod is matched with the second gas inlet to control the minimum amount of gas which enters the gas mixing chamber. The gas premixer and the gas burner have the characteristics that the size is small, the gas mixing effect is good, and the application scope for different gas heat values is wide.
Description
Technical field
The present invention relates to fuel gas combustion equipment field, specifically a kind of gas-air gas mixing device, especially a kind of can be according to gas premixing device and the burner of the adjustment heat value full admission amount of different gas sources.
Background technology
At present, majority of gas fuel is all to carry out atmospheric burning type, is set directly in the middle of air by gas nozzle, after lighting, in atmosphere, burns.But because this atmospheric burning type mode is directly burnt in atmosphere, in combustion process, have most heat and lost by the mobile and conduction of air, thereby cause the flame temperature of this combustion system lower, and then reduced the thermal efficiency of combustion gas.Again because the pressure of combustion gas in combustion gas nozzle can be different according to various different demands, and the content of oxygen is roughly constant in the pressure of air and air, from and can cause combustion gas generation imperfect combustion phenomenon, in the waste gas that makes to discharge, contain the more harmful substance producing due to imperfect combustion, to environment.In addition, in atmospheric burning type process, because combustion gas and mixing in combustion process of air mix, can cause like this combustion gas to mix not in time with air, thereby cause a part of combustion gas before burning, to be just broken down into non-combustible compound, and then caloric value and the utilization rate of the combustion gas that also can greatly reduce.
The burner of the uses such as food and drink now, dining room, hotel is generally blast type fuel gas burner, adopts air blast oxygenation and combustion gas mixing.But the air spraying due to combustion gas and the airduct of Gas Pipe ejection directly enters the burning of kitchen range core, so the mixing of the two is very insufficient, thereby causes fuel gas buring insufficient, the thermal efficiency is not high, and the harmful substance CO content in flue gas is higher.Show through test, when existing burner for gas stove burning, produce carbon monoxide and be all greater than 0.2%, show to burn insufficient.The air spraying due to combustion gas and the airduct of Gas Pipe ejection directly enters the burning of kitchen range core, and air-flow directly impacts the fire output hole of kitchen range core, so easily cause flame bias or flame instability.
But the various combustion gas of existing burner air mixing equipment inapplicable different calorific values, the combustion gas of corresponding every kind of calorific value need to be used the nozzle coordinating with it, if do not replace nozzle, is difficult to realize the full admission amount of this combustion gas.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides little, the mixed gas of a kind of mixed gas chamber effective, applied widely and can be according to the gas premixing device of different source of the gas adjustment heat value full admission amounts.
Another object of the present invention is to provide the burner with this gas premixing device.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of gas premixing device, comprise valve body, be located at mixed gas chamber in valve body, be located at the air inlet, fuel gas inlet and the outlet of mixed gas that on valve body, communicate respectively with mixed gas chamber, described premixed device also comprises the combustion gas governor motion of regulating gas air inflow.
Further, described combustion gas governor motion comprises the first combustion gas adjusting rod and air nozzle, and air nozzle one end Yu Hun gas chamber communicates, and the other end coordinates with the first combustion gas adjusting rod, and corresponding fuel gases calorific value regulates the full admission amount that is entered mixed gas chamber by fuel gas inlet.
Described the first combustion gas adjusting rod is for the full admission amount of regulating gas, regulate peak power, because different sources of the gas is as coal gas or natural gas or the different combustion gas of air content, the calorific value of source of the gas is also different, in order to obtain maximum gas horsepower, adjustable full admission amount.
Further, described combustion gas governor motion comprises the second combustion gas adjusting rod, corresponding the second combustion gas adjusting rod, is also provided with the second fuel gas inlet communicating with mixed gas chamber on described valve body, the second combustion gas adjusting rod coordinates the second fuel gas inlet control to enter the minimum fire air inflow of mixed gas chamber.
The second fuel gas inlet and the second combustion gas adjusting rod, for minimum fire control system, guarantee that gas-cooker has little fire all the time, and this minimum fire control system works while being the state of closing completely in fuel gas inlet; The second fuel gas inlet air inflow is less than fuel gas inlet air inflow.
Further, be provided with the fuel gas path that fuel gas inlet and mixed gas chamber are communicated in described valve body, fuel gas path is provided with described combustion gas governor motion.
Further, the described corresponding mixed gas chamber of fuel gas path direction is provided with gas outlet, rightabout is provided with adjusting rod control mouth, gas outlet is provided with described air nozzle, the air nozzle other end is positioned at mixed gas chamber, first combustion gas adjusting rod one end is stretched into fuel gas path and is located at the air nozzle one end corresponding matching in gas outlet through adjusting rod control mouth, and the other end stretches out in valve body outside.
Further, described mixed gas chamber is one columnar structured, and an end opening is described mixed gas outlet, and described air inlet is located at the radial direction of mixed gas chamber, and fuel gas path is located at the other end of mixed gas chamber.
Further, described fuel gas path is through the perisporium of mixed gas chamber, and fuel gas path one end is described fuel gas inlet, other end sealing, the part that fuel gas path is positioned at mixed gas chamber is provided with gas outlet, the axially parallel of gas outlet direction and mixed gas chamber or overlap.
Further, described fuel gas path is provided with the blow vent being communicated with the second fuel gas inlet, the corresponding blow vent in second combustion gas adjusting rod one end, the other end stretches out in valve body outside, the sidepiece setting of corresponding the second combustion gas adjusting rod of the second fuel gas inlet, this blow vent and described the second fuel gas inlet, the second combustion gas adjusting rod form horizontal T character form structure.
Further, described air inlet enters air intake direction in mixed gas chamber and enters with combustion gas the airintake direction mixing in gas chamber and have angle, this angle is greater than 0 and is less than or equal to 90 °, be preferably, in mixed gas chamber, air intake direction and gas inlet direction are orthogonal, make air and combustion gas mixing more abundant.
The present invention has the burner of above-mentioned premixed device, and premixed device air inlet is connected with air blast, and mixed gas outlet is connected with burner kitchen range, and fuel gas inlet is connected with gas control valve.
Adopt after technique scheme, the present invention compared with prior art has following beneficial effect.
Premixed device provided by the invention has improved the efficiency of actual of burner greatly, according to the source of the gas of different calorific values, can regulate its maximum air inflow, applied widely, owing to not needing to change nozzle, relatively reduce use cost, the power having produced while having improved burning, reasonably mix gas mode, further improved the burning of combustion gas; The product actual measurement combustion gas thermal efficiency, more than 70%, is compared with existing air mixing equipment, improves approximately more than 20%, has greatly saved limited combustion gas resource, the today day by day increasing at resource price, for the economic benefit that user saves also considerable.Secondly, burner of the present invention adopts novel premixed device to meet national requirements for environmental protection completely, burn very abundant, low NOx, low oxycarbide, noise is little, be real efficiently, energy-saving and environmental protection, low-carbon (LC), noise abatement product.Again, the mixed gas of burner provided by the invention is effective, and more than its mixed gas firing power can reach 4.5KW, flame of centre temperature can reach 1100 ℃.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is premixer structure schematic diagram of the present invention;
Fig. 2 is that the A of Fig. 1 is to schematic diagram;
Fig. 3 is that the B-B of Fig. 2 is to sectional schematic diagram;
Fig. 4 is that the C-C of Fig. 2 is to sectional schematic diagram.
The specific embodiment
As shown in Figures 1 to 4, gas premixing device of the present invention comprises valve body 1, be located at mixed gas chamber 2 in valve body 1, be located at the air inlet 3, fuel gas inlet 4 and the mixed gas outlet 5 that on valve body 1, communicate respectively with mixed gas chamber 2, also comprises the combustion gas governor motion of regulating gas air inflow.
Concrete, combustion gas governor motion of the present invention comprises the first combustion gas adjusting rod 6 and air nozzle 7, air nozzle 7 one end Yu Hun gas chamber 2 communicate, and the other end coordinates with the first combustion gas adjusting rod 6, and corresponding fuel gases calorific value regulates the full admission amount that is entered mixed gas chamber 2 by fuel gas inlet 4.
The first combustion gas adjusting rod is for the full admission amount of regulating gas, regulate peak power, because different sources of the gas is as coal gas or natural gas or the different combustion gas of air content, the calorific value of source of the gas is also different, in order to obtain maximum gas horsepower, adjustable full admission amount.
On the basis of said structure, described combustion gas governor motion also comprises the second combustion gas adjusting rod 8, corresponding the second combustion gas adjusting rod 8, on described valve body 1, being also provided with the second fuel gas inlet 9, the second combustion gas adjusting rods 8 that communicate with mixed gas chamber 2 coordinates the second fuel gas inlet 9 controls to enter the minimum fire air inflow of mixed gas chamber 2.
The second fuel gas inlet 9 and the second combustion gas adjusting rod 8, for minimum fire control system, guarantee that burning has little fire all the time, and this minimum fire control system works while being the state of closing completely in fuel gas inlet; The second fuel gas inlet air inflow is less than fuel gas inlet air inflow.
Air inlet of the present invention enters air intake direction in mixed gas chamber and enters with combustion gas the airintake direction mixing in gas chamber and have angle, this angle is greater than 0 and is less than or equal to 90 °, be preferably, in mixed gas chamber, air intake direction and gas inlet direction are orthogonal, make air and combustion gas mixing more abundant.
Embodiment mono-
As shown in Figure 3 and Figure 4, in valve body 1 described in the present embodiment, be provided with the fuel gas path 10 that fuel gas inlet 4 and mixed gas chamber 2 are communicated, described fuel gas path 10 corresponding mixed gas chamber 2 directions are provided with gas outlet 11, rightabout is provided with adjusting rod control mouth 12, gas outlet 11 places are provided with described air nozzle 7, air nozzle 7 other ends are positioned at mixed gas chamber 2, first combustion gas adjusting rod 6 one end are stretched into fuel gas path 10 and are located at the air nozzle one 7 end corresponding matching in gas outlet 11 through adjusting rod control mouth 12, and the other end stretches out in valve body 1 outside.
Embodiment bis-
As shown in Figure 3, the present embodiment is on the basis of above-described embodiment, be provided with the blow vent 13 being communicated with the second fuel gas inlet 9 in described fuel gas path 10, the second corresponding blow vent 13 in combustion gas adjusting rod 8 one end, the other end stretches out in valve body 1 outside, the sidepiece setting of corresponding the second combustion gas adjusting rod 8 of the second fuel gas inlet 9, this blow vent 13 forms horizontal T character form structure with described the second fuel gas inlet 9, the second combustion gas adjusting rod 8.
The first combustion gas adjusting rod 6 described in above-described embodiment one and embodiment bis-and the second combustion gas adjusting rod 8 are all arranged with sealing nut 14 in one end of valve body 1 outside, the first combustion gas adjusting rod 6 and the second combustion gas adjusting rod 8 seal by O-ring seals 15, and the first combustion gas adjusting rod 6 and the second combustion gas adjusting rod 8 are needle-like adjusting rod (consulting Fig. 3).
Embodiment tri-
As shown in Figures 1 to 4, the mixed gas chamber 2 described in the present embodiment is one columnar structured, and an end opening is described mixed gas outlet 5, and described air inlet 3 is located at the radial direction of mixed gas chamber 2, and fuel gas path 10 is located at the other end of mixed gas chamber 2; Described fuel gas path 10 is through the perisporium of mixed gas chamber 2, one end is described fuel gas inlet 4, other end sealing, be preferably sealing nut 16 and seal (consulting Fig. 2 and Fig. 4), the part that fuel gas path 10 is positioned at mixed gas chamber 2 is provided with gas outlet 11, the axially parallel of gas outlet 11 outgassing directions and mixed gas chamber or overlap.
Further, the part that fuel gas path 10 is positioned at mixed gas chamber 2 is provided with described blow vent 13, and preferred blow vent 13 is set to mixed gas chamber 2 radial direction contrary with air inlet 3.
Embodiment tetra-
Burner described in the present embodiment, has above-mentioned premixed device, and wherein, the air inlet of premixed device is connected with air blast, and mixed gas outlet is connected with kitchen range, and fuel gas inlet is connected with gas control valve.Above-mentioned air blast, kitchen range and gas control valve all can adopt existing design.
Above-described embodiment is only that the preferred embodiment of the present invention is described; not the spirit and scope of the present invention are limited; do not departing under the prerequisite of design philosophy of the present invention; the various changes and modifications that in this area, professional and technical personnel makes technical scheme of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. a gas premixing device, comprise valve body, be located at mixed gas chamber in valve body, be located at the air inlet, fuel gas inlet and the outlet of mixed gas that on valve body, communicate with mixed gas chamber respectively, it is characterized in that: described premixed device also comprises the combustion gas governor motion of regulating gas air inflow.
2. a kind of gas premixing device according to claim 1, it is characterized in that: described combustion gas governor motion comprises the first combustion gas adjusting rod and air nozzle, air nozzle one end Yu Hun gas chamber communicates, the other end coordinates with the first combustion gas adjusting rod, and corresponding fuel gases calorific value regulates the full admission amount that is entered mixed gas chamber by fuel gas inlet.
3. a kind of gas premixing device according to claim 2, it is characterized in that: described combustion gas governor motion comprises the second combustion gas adjusting rod, corresponding the second combustion gas adjusting rod, on described valve body, be also provided with the second fuel gas inlet communicating with mixed gas chamber, the second combustion gas adjusting rod coordinates the second fuel gas inlet control to enter the minimum fire air inflow of mixed gas chamber.
4. a kind of gas premixing device according to claim 3, is characterized in that: in described valve body, be provided with the fuel gas path that fuel gas inlet and mixed gas chamber are communicated, fuel gas path is provided with described combustion gas governor motion.
5. a kind of gas premixing device according to claim 4, it is characterized in that: the described corresponding mixed gas chamber of fuel gas path direction is provided with gas outlet, rightabout is provided with adjusting rod control mouth, gas outlet is provided with described air nozzle, the air nozzle other end is positioned at mixed gas chamber, first combustion gas adjusting rod one end is stretched into fuel gas path and is located at the air nozzle one end corresponding matching in gas outlet through adjusting rod control mouth, and the other end stretches out in valve body outside.
6. a kind of gas premixing device according to claim 4, it is characterized in that: described mixed gas chamber is one columnar structured, one end opening is described mixed gas outlet, and described air inlet is located at the radial direction of mixed gas chamber, and fuel gas path is located at the other end of mixed gas chamber.
7. a kind of gas premixing device according to claim 6, it is characterized in that: described fuel gas path is through the perisporium of mixed gas chamber, fuel gas path one end is described fuel gas inlet, other end sealing, the part that fuel gas path is positioned at mixed gas chamber is provided with gas outlet, the axially parallel of gas outlet direction and mixed gas chamber or overlap.
8. a kind of gas premixing device according to claim 4, it is characterized in that: described fuel gas path is provided with the blow vent being communicated with the second fuel gas inlet, the corresponding blow vent in second combustion gas adjusting rod one end, the other end stretches out in valve body outside, the sidepiece setting of corresponding the second combustion gas adjusting rod of the second fuel gas inlet, this blow vent and described the second fuel gas inlet, the second combustion gas adjusting rod form horizontal T character form structure.
9. a kind of gas premixing device according to claim 1, is characterized in that: described air inlet enters air intake direction in mixed gas chamber and enters with combustion gas the airintake direction mixing in gas chamber and have angle, and this angle is greater than 0 and is less than or equal to 90 °.
10. have as arbitrary in claim 1-9 as described in the burner of premixed device, it is characterized in that: air inlet is connected with air blast, mixed gas outlet is connected with burner kitchen range, fuel gas inlet is connected with gas control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524557.6A CN103851622B (en) | 2012-12-07 | 2012-12-07 | A kind of gas premixing device and burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524557.6A CN103851622B (en) | 2012-12-07 | 2012-12-07 | A kind of gas premixing device and burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103851622A true CN103851622A (en) | 2014-06-11 |
| CN103851622B CN103851622B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210524557.6A Expired - Fee Related CN103851622B (en) | 2012-12-07 | 2012-12-07 | A kind of gas premixing device and burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103851622B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482251A (en) * | 2014-12-16 | 2015-04-01 | 长沙知元科技有限公司 | Ampoule bottle sintering device and gas mixing valve thereof |
| CN110454781A (en) * | 2019-08-20 | 2019-11-15 | 广东万和电气有限公司 | A kind of air distribution disk and cooker burner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201363725Y (en) * | 2009-03-10 | 2009-12-16 | 北京华邦天控科技发展有限公司 | Burner |
| US20110136068A1 (en) * | 2008-08-04 | 2011-06-09 | Andreas Lenk | Device for continuously preheating a mixture of burnable gas, more particularly natural gas and oxygen |
| CN201875716U (en) * | 2010-11-24 | 2011-06-22 | 同济大学 | Full premixing burner of Chinese food cooking stove |
| CN102607275A (en) * | 2012-03-27 | 2012-07-25 | 王世松 | Flame gunning type nozzle |
| CN202973104U (en) * | 2012-12-07 | 2013-06-05 | 青岛瑞迪燃气具制造有限公司 | Gas premixer and burner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252329A (en) * | 2011-09-03 | 2011-11-23 | 成都市双流壁挂热交换器有限责任公司 | Fuel gas mixer |
-
2012
- 2012-12-07 CN CN201210524557.6A patent/CN103851622B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110136068A1 (en) * | 2008-08-04 | 2011-06-09 | Andreas Lenk | Device for continuously preheating a mixture of burnable gas, more particularly natural gas and oxygen |
| CN201363725Y (en) * | 2009-03-10 | 2009-12-16 | 北京华邦天控科技发展有限公司 | Burner |
| CN201875716U (en) * | 2010-11-24 | 2011-06-22 | 同济大学 | Full premixing burner of Chinese food cooking stove |
| CN102607275A (en) * | 2012-03-27 | 2012-07-25 | 王世松 | Flame gunning type nozzle |
| CN202973104U (en) * | 2012-12-07 | 2013-06-05 | 青岛瑞迪燃气具制造有限公司 | Gas premixer and burner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482251A (en) * | 2014-12-16 | 2015-04-01 | 长沙知元科技有限公司 | Ampoule bottle sintering device and gas mixing valve thereof |
| CN110454781A (en) * | 2019-08-20 | 2019-11-15 | 广东万和电气有限公司 | A kind of air distribution disk and cooker burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103851622B (en) | 2016-08-31 |
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