CN203190411U - Combined gas burner - Google Patents
Combined gas burner Download PDFInfo
- Publication number
- CN203190411U CN203190411U CN 201220681296 CN201220681296U CN203190411U CN 203190411 U CN203190411 U CN 203190411U CN 201220681296 CN201220681296 CN 201220681296 CN 201220681296 U CN201220681296 U CN 201220681296U CN 203190411 U CN203190411 U CN 203190411U
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- gas
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- gas burning
- ventilating system
- ventilating
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Abstract
A combined gas burner comprises a first gas system which is of a straight tube structure, wherein a first ventilation system which is of a straight tube structure is sleeved outside the first gas system, a second ventilation system which is in a Venturi tube type is arranged on the outer side of the first ventilation system, a second gas system which is in a volute spiral-flow type is arranged on the outer side of the second ventilation system, the first gas system and the second gas system are coaxial, and the first ventilation system and the second ventilation system are coaxial. According to the combined gas burner, automatic adjustment mixing burning of two gases which are different in pressure or heat value can be achieved, and staged burning of a same kind of gas can also be achieved; two sets of independent gas valve systems and two independent draught fans can be adopted to supply gas and air in proportion to two sets of burning systems respectively, and adjusting of air and gas ratio is accurate. The problems caused when two different gases are automatically mixed to burn and one gas automatically burns in a staged mode are solved. The combined gas burner has the advantages of being high in burning efficiency, low in pollutant emission, and wide in application range of gas.
Description
Technical field
The utility model relates to a kind of combined type gas burner.
Background technology
In recent years, titanium dioxide kiln, molten salt furnace have proposed automatic adjusting baker or blank pipe preheat requirements to burner, and baker gas quantity adjustable range is very little usually, and general gas burner can not meet the demands.In addition, along with the needs that energy-conserving and environment-protective require, market proposes demand to the burner of the big combustion gas of flammable two kinds of calorific values or pressure difference simultaneously, and this new demand also is that other structure burner institutes are unappeasable.
The utility model content
Its purpose of the utility model just is to provide a kind of combined type gas burner, can realize the automatic adjusting mixed combustion of the different combustion gas of two kinds of pressure or calorific value, also can realize the fractional combustion of combustion gas of the same race.Can adopt independently two cover gas valves systems and independently two typhoon machines respectively to two cover combustion systems air feed, air feed in proportion, empty, combustion is more accurate than regulating.Solved the problem of two kinds of automatic mixed combustions of different combustion gas and the automatic fractional combustion of a kind of combustion gas.Have efficiency of combustion height, the low characteristics of pollutant emission, and combustion gas is applied widely.
The technical scheme that realizes above-mentioned purpose and take, comprise first gas burning system, be the straight pipe type structure, outside first gas burning system suit first ventilating system, be the straight pipe type structure, described first ventilating system outside is provided with second ventilating system, described second ventilating system is venturi-type, described second ventilating system outside is provided with second gas burning system, is the spiral case spiral-flow type, and described first gas burning system and second gas burning system, first ventilating system and second ventilating system have alignment.
Compared with prior art the utlity model has following advantage.
1, can use a kind of combustion gas to carry out fractional combustion, also can use two kinds of calorific values and pressure difference all bigger combustion gas carry out multifuel combustion, also can use calorific value equal or close but multifuel combustion is carried out in two kinds of combustion gas that the pressure difference is bigger.
2, two cover wind systems respectively have independently air channel, air register and servo air register, can implement rational air-fuel ratio with the gas flow of corresponding gas burning system and regulate, and make Thermal Equipment produce the higher thermal efficiency.
3, the adjusting ratio of a whole set of burner can reach 30:1～40:1, is conducive to the accurate control of hot-blast stove baker or blank pipe preheat temperature curve.
4, can adopt the low nitrogen oxide burning mode, reduce amount of nitrogen oxides in the combustion product gases significantly.
5, the burning calorific value is not less than 750kcal/Nm
3Liquefied gas, natural gas, oven gas, water-gas and various flammable tail gas, waste gas etc.
6, the burner output power range is 990kW～80000kW.
7, combustion of natural gas efficient is not less than 99.5%, and the volume fraction content of each composition is respectively O in the flue gas
2≤ 3.5%, CO≤0.010%; NO
X≤ 200mg/m
3
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure schematic perspective view.
Fig. 2 is this apparatus structure generalized section.
Fig. 3 revolves a mouthful figure for this device burner.
The specific embodiment
This device comprises first gas burning system 13, be the straight pipe type structure, outside first gas burning system 13 suit first ventilating system 12, be the straight pipe type structure, as shown in Figure 1, 2, 3, described first ventilating system 12 outsides are provided with second ventilating system 14, described second ventilating system 14 is venturi-type, described second ventilating system 14 outsides are provided with second gas burning system 15, be the spiral case spiral-flow type, described first gas burning system 13 and second gas burning system 15, first ventilating system 12 and second ventilating system 14 have alignment.
Described first gas burning system, 13 front ends are provided with between bluff body flame holder 10 and spiral-flow type flame holder 11, two flame holders and are provided with gas jet orifice, and its afterbody arranges flange, and system links to each other with gas valve.
The 12 airduct imports of described first ventilating system are provided with the tile type cyclone, streamlined is set outside the tile type cyclone all presses first bellows 9, at first bellows, 9 entrance straight lengths first air door of ventilation system and servo governor motion 1 thereof are set; At the straight tube entrance flange is set, can links to each other with blower fan.
Described second ventilating system 14 exits are provided with swirl vane, and cleanliness second bellows 8 are set in its porch, are provided with second air door of ventilation system and servo governor motion 6 thereof at second bellows, 8 entrance straight lengths, manage orchid at the straight tube entrance, can link to each other with blower fan.
Described second gas burning system 15 comprises the second gas burning system spiral case 7, and spiral case inside is provided with spiral type flow guide plates, is provided with slot formula spout in the spiral case exit, is provided with flange in volute inlet, can link to each other with gas valve system.
Described first bellows 9 are provided with junction box 2, gas igniter 3, flame observation tube 4 and flame monitor 5, as shown in Figure 1; Revolve mouthful signal as shown in Figure 3, among the figure, 16 is the empty burning mixt outlet of second combustion system, 17 is the outlet of second gas burning system, 18 is second outlet of ventilating system, and 19 is the first gas burning system jet pipe (side perforate), and 20 is the empty burning mixt outlet of first combustion system.
[0015]Embodiment
1 burner features
This kind burner is different from the primary structure feature of other burners, and the one, burner is composited by two cover combustion systems; The 2nd, every cover combustion system has separately independently gas burning system and ventilating system; The 3rd, contain bellows or the spiral case with rectification and all pressure effects in first, second ventilating system and second gas burning system; The 4th, the entrance of each wind system and gas burning system all is provided with flange, can be respectively links to each other with the air source with fuel gas source independently.
Mainly be composited by two cover gas burning systems and two cover ventilating systems, adjacent gas burning system and wind system are formed one and are overlapped independently combustion system, combustion gas and combustion air through separately independently system enter and revolve mouth, after the eddy flow diffusion mixes, ignition.
Each gas burning system, wind system are cylinder-like structure, and have alignment.
Innermost layer is first gas burning system, is the straight pipe type structure, and its front end is established bluff body flame holder and spiral-flow type flame holder, establishes gas jet orifice between two flame holders; Its afterbody arranges flange, and system links to each other with gas valve.
Outside first gas burning system suit first ventilating system, also be the straight pipe type structure.Be provided with the tile type cyclone in the airduct import, streamlined be set outside the tile type cyclone all press bellows, at bellows entrance straight length air door and servo governor motion thereof are set; At the straight tube entrance flange is set, can links to each other with blower fan.First gas burning system and first ventilating system are formed first combustion system.
Outside first ventilating system suit second ventilating system, be venturi-type.In the Venturi tube exit swirl vane is set, in its porch the cleanliness bellows is set, establish air door and servo governor motion thereof at bellows entrance straight length; Manage orchid at the straight tube entrance, can link to each other with blower fan.
Outside Venturi tube suit second gas burning system, be the spiral case spiral-flow type.Establish spiral type flow guide plates in spiral case inside, establish slot formula spout in the spiral case exit, manage orchid in volute inlet, can link to each other with gas valve system.
2 operation principles
When two cover combustion systems all start, start first combustion system earlier, combustion gas is sprayed in the combustion air by the angle of spray orifice with 90 °, forms sky-burning mixt to impact diffusion way, forms combustion flame after lighting a fire; The second cover combustion system starts after the first cover combustion system burning load reaches rated value, and when the second cover combustion system reached its burning load, then a whole set of burner reached rated load.When reducing burning load as burner, reduce the load of the second cover combustion system earlier, reduce the load of the first cover combustion system again.Two cover systems are equipped with separately independently hand/automatic control system and hand/automatic Load Regulation system.
When only starting wherein a cover combustion system, only use wherein a corresponding cover hand/automatic control system and hand/the Load Regulation system gets final product automatically.
The selection of above-mentioned three kinds of fired states is only selected to get final product by the selector switch on the control cabinet panel.
Claims (5)
1. combined type gas burner, comprise first gas burning system (13), be the straight pipe type structure, outside first gas burning system (13) suit first ventilating system (12), be the straight pipe type structure, it is characterized in that, described first ventilating system (12) outside is provided with second ventilating system (14), described second ventilating system (14) is venturi-type, described second ventilating system (14) outside is provided with second gas burning system (15), be the spiral case spiral-flow type, described first gas burning system (13) and second gas burning system (15), first ventilating system (12) and second ventilating system (14) have alignment.
2. a kind of combined type gas burner according to claim 1, it is characterized in that, described first gas burning system (13) front end is provided with bluff body flame holder (10) and spiral-flow type flame holder (11), be provided with gas jet orifice between two flame holders, its afterbody arranges flange, and system links to each other with gas valve.
3. a kind of combined type gas burner according to claim 1, it is characterized in that, described first ventilating system (12) airduct import is provided with the tile type cyclone, streamlined is set outside the tile type cyclone all presses first bellows (9), at first bellows (9) entrance straight length first air door of ventilation system and servo governor motion (1) thereof are set; At the straight tube entrance flange is set, can links to each other with blower fan.
4. a kind of combined type gas burner according to claim 1, it is characterized in that, described second ventilating system (14) exit is provided with swirl vane, cleanliness second bellows (8) are set in its porch, be provided with second air door of ventilation system and servo governor motion (6) thereof at second bellows (8) entrance straight length, manage orchid at the straight tube entrance, can link to each other with blower fan.
5. a kind of combined type gas burner according to claim 1, it is characterized in that, described second gas burning system (15) comprises the second gas burning system spiral case (7), spiral case inside is provided with spiral type flow guide plates, be provided with slot formula spout in the spiral case exit, be provided with flange in volute inlet, can link to each other with gas valve system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681296 CN203190411U (en) | 2012-12-12 | 2012-12-12 | Combined gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681296 CN203190411U (en) | 2012-12-12 | 2012-12-12 | Combined gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190411U true CN203190411U (en) | 2013-09-11 |
Family
ID=49107267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220681296 Expired - Fee Related CN203190411U (en) | 2012-12-12 | 2012-12-12 | Combined gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765098A (en) * | 2017-02-20 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | Gas burner |
| CN110925755A (en) * | 2019-12-13 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Steam power generation boiler burner |
| CN112683074A (en) * | 2020-12-16 | 2021-04-20 | 铜陵德兴机械制造有限责任公司 | Top-blown furnace spray gun and special maintenance method thereof |
-
2012
- 2012-12-12 CN CN 201220681296 patent/CN203190411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765098A (en) * | 2017-02-20 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | Gas burner |
| CN110925755A (en) * | 2019-12-13 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Steam power generation boiler burner |
| CN112683074A (en) * | 2020-12-16 | 2021-04-20 | 铜陵德兴机械制造有限责任公司 | Top-blown furnace spray gun and special maintenance method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20131212 |