CN201412846Y - Gas burner - Google Patents
Gas burner Download PDFInfo
- Publication number
- CN201412846Y CN201412846Y CN2008201753484U CN200820175348U CN201412846Y CN 201412846 Y CN201412846 Y CN 201412846Y CN 2008201753484 U CN2008201753484 U CN 2008201753484U CN 200820175348 U CN200820175348 U CN 200820175348U CN 201412846 Y CN201412846 Y CN 201412846Y
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- gas
- mixing chamber
- gas burner
- downstream direction
- spray head
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Abstract
The utility model discloses a gas burner which is characterized in that the center of a burner is provided with an inner air tube with an inner air path, a gas tube is positioned outside the inner airtube, mixing-chamber barrels are provided in the downstream direction of the inner air tube, space among the mixing-chamber barrels is a mixing chamber, the output end of the gas tube is provided with a gas spray head which has a gas spray hole, the inner air tube, the mixing-chamber barrels, the gas spray head and the gas tube constitutes a gas channel, a communication hole is provided between the mixing chamber and the gas channel, an external cylinder body is provided outside the gas tube and the space between the external cylinder body and the gas tube is an external air path. According to the invention, both of the gas and the combustion air of an air burner have an inner branch and an outer branch which are mixed together and combusted, therefore, the mixing efficiency is improved,the mixing process is rapid, the consumption is complete, the flame consumption is stable and the regulating range is wide.
Description
Affiliated technical field
The utility model relates to the gas burner technical field.
Background technology
The employed gas burner of present domestic ceramic kiln, based on diffusion flame burner, be combustion gas without with the premix of combustion air, directly, burn again with after combustion air mixes from gas spray head ejection, its shortcoming be burn complete inadequately, combustion reaction is slower, and need higher coefficient of excess air, combustion air consumption is bigger, thereby causes energy consumption bigger.To occur the flame adjustable range easily wide inadequately and the premixed gas burner on the simple meaning is because of it, problems such as flame is stable inadequately under some combustion conditions, do not obtain large-area application at ceramic kiln, especially for the ceramic kiln that uses producer gas, do not see the example that premixed gas burner is used very successfully as yet.
Summary of the invention
The utility model provides a kind of gas burner, and combustion gas is fully burned, and combustion air flow required under the situation of identical efficiency of combustion is less, and flame stabilization, the adjustable range broad.
The scheme that its technical problem that solves the utility model adopts is: a kind of gas burner, at the center of burner interior airduct is arranged, it within the interior airduct interior air channel, outside the interior airduct Gas Pipe is arranged, downstream direction at interior airduct is provided with the mixing chamber cylindrical shell, the downstream direction of the airflow direction of ducting outlet in this downstream direction is meant (following literal when described in downstream direction synonym therewith), space within the mixing chamber cylindrical shell is a mixing chamber, the port of export of Gas Pipe is provided with gas spray head, gas jet orifice is arranged on the gas spray head, interior airduct, the mixing chamber cylindrical shell, constitute blast tube between gas spray head and the Gas Pipe, between mixing chamber and the blast tube intercommunicating pore is arranged, outer cylinder body is arranged outside the Gas Pipe, is outer air channel between outer cylinder body and the Gas Pipe.
During this burner operation, the combustion gas in the blast tube is divided into two parts, and a part enters mixing chamber through intercommunicating pore, and another part sprays from the gas jet orifice on the gas spray head.Combustion air has two strands, one enters from interior air channel, and it is mobile forward along interior air channel, spray into mixing chamber then, mix with the combustion gas that enters mixing chamber through intercommunicating pore again, and together flow forward, formed the mixed gas that one mixability meets performance requirement to mixing chamber outlet, the mixed gas of this strand obtains the good flame of combustion efficiency through mixing chamber outlet ejection burning; And another strand combustion air enters from outer air channel, and flows forward along outer air channel, the combustion gas mixing that sprays with gas jet orifice on the gas spray head, and fire burns.
In order to strengthen the mixed effect that mixes indoor fuel gas and combustion air, can be provided with the wind shower nozzle at the downstream direction in interior air channel, the combustion air in the interior air channel sprays into mixing chamber through the wind shower nozzle.In order to obtain more straight flame jet, the inner chamber of wind shower nozzle can be a clear opening.In order to strengthen the stirring of combustion air and combustion gas, can be provided with cyclone in the wind shower nozzle, make the combustion air that enters mixing chamber from the wind shower nozzle have eddy flow.Cross the wind shower nozzle and do a plane perpendicular to the gas burner axis at the end of downstream direction, this plane is called the P plane, the mixing chamber cylindrical shell is truncated into two sections of upstream and downstreams by the P plane, on that section mixing chamber cylindrical shell of upstream, P plane, have intercommunicating pore, and circular passage of formation between the inner surface of the outer surface of wind shower nozzle and mixing chamber cylindrical shell, combustion gas in the blast tube enters this circular passage by above-mentioned intercommunicating pore, through turning to, flow forward after the adjustment, mix with the combustion air of wind shower nozzle ejection, can make the admixture of combustion gas and combustion air more stable like this, reduce the pressure loss that produces when the indoor fuel gas jet mixes mutually with the combustion air jet mixing.Can have intercommunicating pore on the described mixing chamber cylindrical shell, make the combustion gas in the blast tube enter mixing chamber by intercommunicating pore.The port of export of airduct can be provided with flange in described, and flange is connected with the mixing chamber cylindrical shell, has intercommunicating pore on the flange, makes the combustion gas in the blast tube enter mixing chamber by intercommunicating pore.Can be provided with support on the outer air channel between described Gas Pipe and the outer cylinder body.Can have skewed slot on the periphery face of cylinder of above-mentioned support, the center line of skewed slot is tangential on the face of cylinder coaxial with the axis of gas burner, can make the combustion air in exogenous wind road produce eddy flow like this, the combustion gas mixing of combustion air and gas spray head ejection is got better through behind the support.Also can have through hole on the support, the combustion air in outer air channel sprays through behind the through hole, with combustion gas mixing, the burning of gas spray head ejection.The Gas Pipe of described gas burner can link into as a whole with support, gas spray head, it between support and the outer cylinder body matched in clearance, be matched in clearance between mixing chamber cylindrical shell and the gas spray head, make processing more convenient like this, and the dress when helping using, tear open and safeguard.The outer surface of described gas spray head can include one section face of cylinder and one section taper seat.Can have gas jet orifice on the taper seat of above-mentioned gas spray head outer surface, angle between the center line of gas jet orifice and the axis of gas burner is β, the scope of β is between 15 ° to 80 °, the β angle is more satisfactory in this angular range internal combustion effect, and by changing the cone angle that the β angle can change flame jet to a certain extent, to satisfy the technological requirement of different kilns.Can have gas jet orifice on the face of cylinder of above-mentioned gas spray head outer surface.The port of export of described mixing chamber can be a contraction structure gradually, produces when making the mist ejection and quickens, and it is stronger that flame is sprayed.Test through present laboratory and kiln scene shows, when the distance of mixing chamber outlet end face was 20mm to 180mm, effect was comparatively desirable at the end of downstream direction for the wind shower nozzle of described gas burner.In addition, show according to the situation summary of using at ceramic kiln that the diameter of mixing chamber outlet is when 25mm to 39mm, effect is comparatively desirable.
Outer air channel between above-mentioned Gas Pipe and the outer cylinder body is provided with in the scheme of support, or have skewed slot on the periphery face of cylinder of support, the center line of skewed slot is tangential in the scheme with the coaxial face of cylinder, the axis of gas burner, or have on the support in the scheme of through hole, can be provided with the wind shower nozzle at the downstream direction in interior air channel, the downstream direction of the airflow direction of ducting outlet in this downstream direction is meant.
The combustion gas of gas burner of the present utility model is divided into inside and outside two stocks separately with combustion air and does not mix, burns, improved the efficient of mixing, mix rapidly, burning velocity is fast, and can play complementary effect between the inside and outside two strands of flames that produced, make flame combustion stable, adjustable range is wide.
The utility model shows through laboratory test and on-the-spot use of kiln, this burner flame completeness of combustion height, and flame is clear, and required combustion air coefficient of excess is little under the situation of identical efficiency of combustion, and simultaneously, its flame is more stable, and adjustable range is wide.Multiple gases fuel such as the utility model burning producer gas, oil liquefied gas, natural gas, coke-stove gas both can be used in ceramic kiln, also can be used in other industrial furnace.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is first example structure schematic diagram of the utility model.
Fig. 2 is second example structure schematic diagram of the utility model.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is the structural representation of the support of second embodiment.
Fig. 5 is the 3rd example structure schematic diagram of the utility model.
Fig. 6 is the 4th example structure schematic diagram of the utility model.
Among the figure, 1. interior airduct, 2. interior air channel, 3. Gas Pipe, 4. mixing chamber cylindrical shell, 5. mixing chamber, 6. blast tube, 7. gas spray head, 8,8 '. gas jet orifice, 9. outer cylinder body, 10. outer air channel, 11,11 ', 11 ". intercommunicating pore, 12. wind shower nozzles, 13. cyclones; 14. supports, 15. skewed slots, 16. through holes; the face of cylinder on the 17. gas spray head outer surfaces, the taper seat on the 18. gas spray head outer surfaces, 19. flanges.
The specific embodiment
In first embodiment shown in Figure 1, airduct 1 in the center of burner has, it within the interior airduct 1 interior air channel 2, outside the interior airduct 1 Gas Pipe 3 is arranged, downstream direction at interior airduct 1 is provided with mixing chamber cylindrical shell 4, the downstream direction of the airflow direction of air channel 2 outlet in this downstream direction is meant (following literal when described in downstream direction synonym therewith), space within the mixing chamber cylindrical shell 4 is a mixing chamber 5, the port of export of Gas Pipe 3 is provided with gas spray head 7, gas jet orifice 8 is arranged on the gas spray head 7, interior airduct 1, mixing chamber cylindrical shell 4, constitute blast tube 6 between gas spray head 7 and the Gas Pipe 3, between mixing chamber 5 and the blast tube 6 intercommunicating pore 11 is arranged, outer cylinder body 9 is arranged outside the Gas Pipe, is outer air channel 10 between outer cylinder body 9 and the Gas Pipe 3.
In second embodiment shown in Figure 2, downstream direction in interior air channel 2 is provided with wind shower nozzle 12, the inner chamber of wind shower nozzle is a clear opening, cross the wind shower nozzle and do a plane perpendicular to the gas burner axis at the end of downstream direction, this plane is called the P plane, the mixing chamber cylindrical shell is truncated into two sections of upstream and downstreams by the P plane, on that section mixing chamber cylindrical shell of upstream, P plane, have intercommunicating pore 11 ', and circular passage of formation between the inner surface of the outer surface of wind shower nozzle and mixing chamber cylindrical shell, combustion gas in the blast tube is by this circular passage of above-mentioned intercommunicating pore 11 ' enter, through turning to, flow forward after the adjustment, mix with the combustion air of wind shower nozzle ejection, outer air channel 10 between Gas Pipe 3 and the outer cylinder body 9 is provided with support 14, have skewed slot 15 on the periphery face of cylinder of above-mentioned support, the center line of skewed slot 15 is tangential on the face of cylinder (see figure 4) coaxial with the axis of gas burner, Gas Pipe 3 and support 14, gas spray head 7 links into as a whole, be matched in clearance between support 14 and the outer cylinder body 9, be matched in clearance between mixing chamber cylindrical shell 4 and the gas spray head 7, the outer surface of gas spray head 7 includes one section face of cylinder 17 and one section taper seat 18, have gas jet orifice 8 on the taper seat 18, angle between the center line of gas jet orifice 8 and the axis of gas burner is β, in the present embodiment, the β angle is 35 °.In addition, the results showed that the β angle also can be selected according to different use occasions between 15 ° to 80 °.The port of export of mixing chamber 5 is contraction structures gradually, and wind shower nozzle 12 is H in the end of downstream direction to the distance of mixing chamber outlet end face, and in the present embodiment, the H value is got 80mm.In addition, the results showed that the H value also can be selected according to different use occasions in the scope of 20mm to 180mm.In the present embodiment, the diameter of mixing chamber outlet is 34mm, in addition, shows that according to the situation summary of using at ceramic kiln the diameter of mixing chamber outlet can be selected between 25mm to 39mm, to reach preferable result of use.
In the 3rd embodiment shown in Figure 5, be provided with cyclone 13 in the wind shower nozzle 12, this cyclone is made of some in the blade of pulpous state in the shape of a spiral, have through hole 16 on the support 14, the outer surface of gas spray head 7 includes one section face of cylinder 17 and one section taper seat 18, have on the face of cylinder 17 gas jet orifice 8 ', all the other structures of present embodiment are identical with second embodiment.
In the 4th embodiment shown in Figure 6, the port of export of interior airduct 1 is provided with flange 19, and flange 19 is connected with the mixing chamber cylindrical shell, have intercommunicating pore 11 on the flange "; in the present embodiment, do not have intercommunicating pore on the mixing chamber cylindrical shell, other structures of present embodiment are identical with second embodiment.
In addition, more than hydrocyclone structure in the middle of the 3rd embodiment, also can be applied in the middle of the 4th embodiment.
More than the structure of through hole 16 in the middle of the 3rd embodiment, can be present in simultaneously on the same support with the structure of skewed slot 15 in the middle of second embodiment, and this support can be applied to be provided with in the middle of standoff each embodiment.
More than on the face of cylinder 17 in the middle of the 3rd embodiment gas jet orifice 8 ', can be present in simultaneously on the same gas spray head with the gas jet orifice 8 on the taper seat 18 in the middle of second embodiment, and this gas spray head can be applied in the middle of each embodiment.
More than on the mixing chamber cylindrical shell 4 in the middle of the 4th embodiment, also can have intercommunicating pore.
More than mixing chamber cylindrical shell 4 among each embodiment can be divided into two parts.
More than outer cylinder body 9 among each embodiment can be divided into two parts.
Can one-body moldedly become same part with windward shower nozzle 12 and interior airduct 1.
The above flange 19 can one-body moldedly be a part with interior airduct 1, also can be divided into two parts.
Certainly, only enumerated several preferred implementation here, the protection category that other are equal to, structure roughly the same all should belong to this patent does not repeat them here.
Claims (18)
1, a kind of gas burner, it is characterized in that: interior airduct is arranged at the center of burner, it within the interior airduct interior air channel, outside the interior airduct Gas Pipe is arranged, downstream direction at interior airduct is provided with the mixing chamber cylindrical shell, the downstream direction of the airflow direction of ducting outlet in this downstream direction is meant, space within the mixing chamber cylindrical shell is a mixing chamber, the port of export of Gas Pipe is provided with gas spray head, gas jet orifice is arranged, interior airduct on the gas spray head, the mixing chamber cylindrical shell, constitute blast tube between gas spray head and the Gas Pipe, between mixing chamber and the blast tube intercommunicating pore is arranged, outer cylinder body is arranged outside the Gas Pipe, is outer air channel between outer cylinder body and the Gas Pipe.
2, gas burner according to claim 1 is characterized in that: the downstream direction in interior air channel is provided with the wind shower nozzle, the downstream direction of the airflow direction of ducting outlet in this downstream direction is meant.
3, gas burner according to claim 2, the inner chamber that it is characterized in that the wind shower nozzle are clear openings.
4, gas burner according to claim 2 is characterized in that being provided with cyclone in the wind shower nozzle.
5, gas burner according to claim 2, it is characterized in that: cross the wind shower nozzle and do a plane perpendicular to the gas burner axis at the end of downstream direction, this plane is called the P plane, the downstream direction of the airflow direction of ducting outlet in downstream direction described herein is meant, the mixing chamber cylindrical shell is truncated into two sections of upstream and downstreams by the P plane, has intercommunicating pore on that section mixing chamber cylindrical shell of upstream, P plane.
6, gas burner according to claim 1 and 2 is characterized in that having intercommunicating pore on the mixing chamber cylindrical shell.
7, gas burner according to claim 1 and 2, the port of export of airduct is provided with flange in it is characterized in that, and flange is connected with the mixing chamber cylindrical shell, has intercommunicating pore on the flange.
8, gas burner according to claim 1 is characterized in that the outer air channel between Gas Pipe and the outer cylinder body is provided with support.
9, gas burner according to claim 8 is characterized in that having skewed slot on the periphery face of cylinder of support, and the center line of skewed slot is tangential on the face of cylinder coaxial with the axis of gas burner.
10, gas burner according to claim 8 is characterized in that having on the support through hole.
11, any one described gas burner in 10 according to Claim 8, it is characterized in that Gas Pipe links into as a whole with support, gas spray head, being matched in clearance between support and the outer cylinder body, is matched in clearance between mixing chamber cylindrical shell and the gas spray head.
12, any one described gas burner in 10 according to Claim 8, it is characterized in that: the downstream direction in interior air channel is provided with the wind shower nozzle, the downstream direction of the airflow direction of ducting outlet in this downstream direction is meant.
13, gas burner according to claim 1 is characterized in that the outer surface of gas spray head includes one section face of cylinder and one section taper seat.
14, gas burner according to claim 13 is characterized in that having gas jet orifice on the taper seat of gas spray head outer surface, and the angle between the center line of gas jet orifice and the axis of gas burner is β, and the scope of β is between 15 ° to 80 °.
15, gas burner according to claim 13 is characterized in that having gas jet orifice on the face of cylinder of gas spray head outer surface.
16, gas burner according to claim 1, the port of export that it is characterized in that mixing chamber are contraction structures gradually.
17, gas burner according to claim 2 is characterized in that the wind shower nozzle is 20mm to 180mm in the end of downstream direction to the distance of mixing chamber outlet end face, the downstream direction of the airflow direction of ducting outlet in downstream direction described herein is meant.
18, according to claim 1,2,16 or 17 described gas burners, the diameter that it is characterized in that mixing chamber outlet is between 25mm to 39mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201753484U CN201412846Y (en) | 2008-11-09 | 2008-11-09 | Gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201753484U CN201412846Y (en) | 2008-11-09 | 2008-11-09 | Gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412846Y true CN201412846Y (en) | 2010-02-24 |
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ID=41714729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201753484U Expired - Lifetime CN201412846Y (en) | 2008-11-09 | 2008-11-09 | Gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412846Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954468A (en) * | 2012-11-27 | 2013-03-06 | 薛垂义 | Burner for bright hood-type annealing furnace |
| CN108006639A (en) * | 2017-12-30 | 2018-05-08 | 赵金岷 | high temperature and high pressure gas burner |
| CN108332199A (en) * | 2018-03-12 | 2018-07-27 | 于仁生 | A kind of burner being pre-mixed combustion gas and combustion air |
| CN108679607A (en) * | 2018-06-26 | 2018-10-19 | 曹全福 | Burner noz(zle) and combustion apparatus |
| CN108844068A (en) * | 2018-09-03 | 2018-11-20 | 哈尔滨电气股份有限公司 | A kind of full premix surface-type burner gas-air mixing machine |
| CN109028059A (en) * | 2018-09-03 | 2018-12-18 | 哈尔滨电气股份有限公司 | Full premix surface-type burner with high efficiency burnt gas air mixing structure |
-
2008
- 2008-11-09 CN CN2008201753484U patent/CN201412846Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954468A (en) * | 2012-11-27 | 2013-03-06 | 薛垂义 | Burner for bright hood-type annealing furnace |
| CN102954468B (en) * | 2012-11-27 | 2015-04-08 | 薛垂义 | Burner for bright hood-type annealing furnace |
| CN108006639A (en) * | 2017-12-30 | 2018-05-08 | 赵金岷 | high temperature and high pressure gas burner |
| CN108006639B (en) * | 2017-12-30 | 2024-03-26 | 赵金岷 | High-temperature high-pressure gas burner |
| CN108332199A (en) * | 2018-03-12 | 2018-07-27 | 于仁生 | A kind of burner being pre-mixed combustion gas and combustion air |
| CN108679607A (en) * | 2018-06-26 | 2018-10-19 | 曹全福 | Burner noz(zle) and combustion apparatus |
| CN108679607B (en) * | 2018-06-26 | 2023-12-26 | 曹全福 | Combustion nozzle and combustion equipment |
| CN108844068A (en) * | 2018-09-03 | 2018-11-20 | 哈尔滨电气股份有限公司 | A kind of full premix surface-type burner gas-air mixing machine |
| CN109028059A (en) * | 2018-09-03 | 2018-12-18 | 哈尔滨电气股份有限公司 | Full premix surface-type burner with high efficiency burnt gas air mixing structure |
| CN108844068B (en) * | 2018-09-03 | 2024-01-19 | 哈尔滨电气股份有限公司 | Full-premix surface type burner gas-air blender |
| CN109028059B (en) * | 2018-09-03 | 2024-02-02 | 哈尔滨电气股份有限公司 | Full premix surface type burner with efficient gas-air mixing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100224 |