CN202328269U - Automatic air suction premixing gas burner - Google Patents
Automatic air suction premixing gas burner Download PDFInfo
- Publication number
- CN202328269U CN202328269U CN2011204450729U CN201120445072U CN202328269U CN 202328269 U CN202328269 U CN 202328269U CN 2011204450729 U CN2011204450729 U CN 2011204450729U CN 201120445072 U CN201120445072 U CN 201120445072U CN 202328269 U CN202328269 U CN 202328269U
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- gas
- air
- barrel
- gun barrel
- combustion gas
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Abstract
The utility model relates to an automatic air suction premixing gas burner, which includes a gas-fired gun barrel and an air barrel, wherein the gas-fired gun barrel is positioned at the inner center of the air barrel; a gas-fired nozzle is arranged at the front end of the gas burner; spraying orifices are arranged in the lateral surface of the gas-fired nozzle in the circumferential direction; an annular cavity between the gas-fired gun barrel and the air barrel is an air passage; a spout is arranged at the front end of the air barrel; the inner side at the front end of the air barrel is tapered; the rear end of the air barrel is right-angled bent; and a premixing chamber is arranged between the spraying orifices at the front end of the gas-fired gun barrel and the air barrel. According to the utility model, fuel gas ejected from the gas-fired gun barrel is subjected to strengthening premixing in the mixing chamber and is quickly combusted in a short time, so that the combustion velocity is high, the flame is short, the temperature is high, the heat efficiency is high, and flue gas is little; and as natural wind is adopted for air distribution, fuel gas and air enter the gas burner through respective dynamic force, and the dynamic force of either the fuel gas or the air drives the other when the fuel gas and the air enter the gas burner, and the driven one needs no auxiliary equipment for air supply, thereby reducing the manufacturing cost.
Description
Technical field
The utility model relates to burner, particularly a kind of gas burner that is used for natural gas, Device in Gas, the automatic air-breathing premix of coal gas.
Background technology
Power plant boiler, various Industrial Boilers, civil heating boiler, various heating furnace, various light industry kiln, converter all need use burner, and this burner is a fuel with natural gas, Device in Gas, coal gas usually.During work, combustion gas and air spray in the burner hearth from pipeline separately, the burning while mixing.The Gas Pipe of this burner and air hose outlet end are also neat, are the burnings at the nozzle place after combustion gas and the air ejection, and the problem of existence is: can not in the shortest time, mix rapidly, burn, excess air coefficient is high, and the fire combustion is long, and exhaust gas temperature is high, and the thermal efficiency is low; In addition, combustion gas and air distribution whole system all need be equipped with the auxiliary equipment of air-supply.
Summary of the invention
The purpose of the utility model is to provide a kind of automatic suck premixed gas burner to the problems referred to above, solves formerly in the low problem of the burner thermal efficiency, and the auxiliary equipment of minimizing outfit reduces production costs.
The utility model is realized through following technical scheme: the premixed gas burner of this automatic suck comprises combustion gas gun barrel, air hose, and the combustion gas gun barrel is positioned at the air hose center, and front end has gas spray head; Circumferentially there is spray orifice the gas spray head side; The toroidal cavity of combustion gas gun barrel and air hose is an air duct, and the air hose front end has spout, and front end is inboard to be taper; There is the 90o quarter bend air hose rear end, between combustion gas gun barrel front end spray orifice and the air hose premixing cavity is arranged.
Adopt the good effect of technique scheme: its combustion gas of the premixed gas burner of this automatic suck from combustion gas gun barrel ejection back earlier in the premixed of going ahead of the rest of the combustion gas gun barrel spray orifice and the mixing chamber of air hose front end inboard; Make combustion gas and air distribution when premixed, obtain reinforcement, burning rapidly at short notice, and burning velocity is fast; Flame is short; Temperature is high, makes the thermal efficiency obtain effective raising, reduces the exhaust gas volumn that produces; Air distribution uses natural wind, and combustion gas and air lean on power separately to get into, and with power drive the opposing party of a side, what driven does not need to be equipped with in addition the auxiliary equipment of blowing a side, has reduced production cost in the process that gets into.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1 combustion gas gun barrel, 2 gas spray head, 3 spray orifices, 4 air hoses, 5 premixing cavitys, 6 air ducts, 7 spouts.
The specific embodiment: the utility model is described further below in conjunction with accompanying drawing:
Shown in Figure 1 is the structural representation of the utility model, as shown in the figure, and the utility model comprises combustion gas gun barrel 1, air hose 4, and combustion gas gun barrel 1 is positioned at air hose 4 centers, and front end has gas spray head 2, and gas spray head 2 sides circumferentially have spray orifice 3.The spray orifice 3 of combustion gas gun barrel 1 front end side is an inclined hole, and inclined hole and Gas Pipe 1 surface are 10 °～45 ° oblique angles, and the combustion gas that makes combustion gas gun barrel 1 ejection is with gas gun tube hub line is turned left or 10 °～45 ° left rotation and right rotation of right avertence spray.Combustion gas gun barrel 1 is an air duct 6 with the toroidal cavity of air hose 4, and air hose 4 front ends are inboard to be taper, and the space between the conical cavity of the front end of combustion gas gun barrel 1 and air hose 4 front ends inboard is a premixing cavity 5; The effect of premixing cavity 5 is to make by at first premixed in the premixing cavity 6 between the front end of combustion gas gun barrel 1 and the air hose 4 front ends inboard conical cavity of the combustion gas of combustion gas gun barrel 1 ejection; From the front end ejection of air hose 4, can guarantee the mixing rapidly in the shortest time of combustion gas ejection back, conflagration then; Guarantee that the burning fire combustion is short; Temperature is high, and exhaust gas volumn is few, and the thermal efficiency is high.Combustion gas gun barrel 1 is connected with the cartridge flange, and on burning line, gas control valve is installed, and the gas quantity that gets into is regulated.There is the 90o quarter bend air hose 4 rear ends, and air hose 4 front ends have spout 7, and front end is inboard to be taper.The design of quarter bend can be shortened the distance that gets into natural wind and combustion gas mixing, and the impulse force the when air that increase gets into continues to move ahead produces stronger suction then, quickens the dynamics of mixing.
During use, according to implementing the needed heat of stove and should joining to such an extent that air flow meter is calculated the external diameter that designs combustion gas gun barrel 1 diameter and combustion gas gun barrel 1 front end shower nozzle, the diameter of air-inhaling port; The diameter of the circumferential spray orifice 3 of combustion gas gun barrel 1 front end, the length of spray orifice 3, combustion gas gun barrel 1 internal diameter, external diameter; Gas spray head 2 spray combustion amounts; The spray gas flow rate, spray combustion gas revolving force adopts the high material processing of heat resistant and wear resistant hardness according to design specification then.Combustion gas gun barrel 1 back end flanges connects cartridge, and control valve is set on the pipe.Natural wind is directly connected in air hose 4 rear ends.
During work; Open gas valve, combustion gas gets into combustion gas gun barrel 1, from circumferential spray orifice 3 ejections of combustion gas gun barrel 1 front end; The premixing cavity 6 of combustion gas between combustion gas gun barrel 1 front end spray orifice and air hose 4 front end inboards carries out premixed earlier with air, and mist is from air hose 4 front end spouts ejection burning.In the process of ejection, be to carry the opposing party by the suction that the impulse force that a side moves ahead produces then to travel forward all the time, until mist ejection after-combustion.
Embodiment 1:
The utility model is used for Puyang glass factory stove 1,600,000 kilocalories, and gas material pressure is 0.2Mpa, is the natural pressure that the oil field is come, not equipped in addition compression phoenix, and wind is natural wind.Natural gas side is as power side's design combustion gas gun barrel, and the stove operation is processed, installs, put to air spray, suction inlet behind gas spray head and the spray orifice.Operation result: native system is when per hour the natural gas discharge rate is 187 m3/, when former use system natural gas discharge rate is 200 m3/, uses systematic comparison with former, can practice thrift 6.5% natural gas.Blowing system is without air blast, when reducing the auxiliary equipment that is equipped with, but 138 kilowatts * 24 hours * 30 days * 11 months (promptly 12 months-1 monthly repair phase) of save power=1092960 kilowatts also.Running safety reaches scheduled target.
Claims (1)
1. premixed gas burner of automatic suck; Comprise combustion gas gun barrel (1), air hose (4), combustion gas gun barrel (1) is positioned at air hose (4) center, and front end has gas spray head (2); Circumferentially there is spray orifice (3) gas spray head (2) side; Combustion gas gun barrel (1) is air duct (6) with the toroidal cavity of air hose (4), and air hose (4) front end has spout (7), it is characterized in that: air hose (4) front end is inboard to be taper; There is the 90o quarter bend air hose (4) rear end, between combustion gas gun barrel (1) front end spray orifice (3) and the air hose (4) premixing cavity (6) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204450729U CN202328269U (en) | 2011-11-11 | 2011-11-11 | Automatic air suction premixing gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204450729U CN202328269U (en) | 2011-11-11 | 2011-11-11 | Automatic air suction premixing gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328269U true CN202328269U (en) | 2012-07-11 |
Family
ID=46440250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204450729U Expired - Fee Related CN202328269U (en) | 2011-11-11 | 2011-11-11 | Automatic air suction premixing gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374536A (en) * | 2011-11-11 | 2012-03-14 | 金艺 | Gas burner for premixing automatically-sucked air |
| CN102537957A (en) * | 2012-01-20 | 2012-07-04 | 何富有 | Novel gas stove head |
-
2011
- 2011-11-11 CN CN2011204450729U patent/CN202328269U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374536A (en) * | 2011-11-11 | 2012-03-14 | 金艺 | Gas burner for premixing automatically-sucked air |
| CN102537957A (en) * | 2012-01-20 | 2012-07-04 | 何富有 | Novel gas stove head |
| CN102537957B (en) * | 2012-01-20 | 2014-11-26 | 何富有 | Novel gas stove head |
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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: 20120711 Termination date: 20121111 |