CN203258655U - Burner jet head for calcinatory - Google Patents
Burner jet head for calcinatory Download PDFInfo
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- CN203258655U CN203258655U CN 201320197683 CN201320197683U CN203258655U CN 203258655 U CN203258655 U CN 203258655U CN 201320197683 CN201320197683 CN 201320197683 CN 201320197683 U CN201320197683 U CN 201320197683U CN 203258655 U CN203258655 U CN 203258655U
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- inlet pipe
- air
- gas inlet
- combustion gas
- fuel gas
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Abstract
The utility model discloses a burner jet head for a calcinatory. The burner jet head for the calcinatory comprises a fuel gas inlet pipe, an ignition spray orifice is formed in the side wall of the tail end of the fuel gas inlet pipe, an air inlet disc perpendicular to the fuel gas inlet pipe is fixedly arranged below the ignition spray orifice, an air via hole for flowing of air is formed in the air inlet disc, a fire maker fixedly arranged on the fuel gas inlet pipe is arranged at the position, corresponding to the ignition spray orifice, of the air inlet disc, a plurality of fuel gas branch pipes obliquely communicated with the fuel gas inlet pipe are arranged on the outer circumference of the air inlet disc, inclined nozzles facing or departing from the center of the fuel gas inlet pipe are arranged at the tail ends of the fuel gas branch pipes, and the orientations of inclined nozzles of the adjacent fuel gas branch pipes are opposite. The burner jet head for the calcinatory is simple in structure, convenient to machine, capable of enabling compressed air sprayed from the air via hole and the fuel gas sprayed from the fuel gas branch pipes to be mixed completely, the fuel gas is burnt completely, combustion efficiency is improved, and production cost is reduced.
Description
Technical field
The utility model relates to the burner on a kind of roaster, specifically is used for a kind of burner jet thrust on the roaster of roasting isostatic pressing formed graphite.
Background technology
Isostatic pressing formed graphite is a kind of New graphite material that grows up the sixties in last century, it is the elaboration in graphite material, have the advantages such as high strength, high density, isotropism are good, good heat resistance, chemical resistance is strong, machining property is excellent, be widely used in the fields such as metallurgy, chemistry, electric, aerospace and atomic energy industry.
It is raw material that pitch coke or petroleum coke are adopted in the production of isostatic pressing formed graphite, and technical process is: fragmentation, abrasive dust, kneading, bundle sheet, isostatic compaction, roasting, dipping, graphitization.Calcining process wherein is that the graphite after isostatic compaction is put into the roasting kiln roasting to uniform temperature, and roaster generally adopts gaseous fuel, such as natural gas, coal gas etc.At present, general with the furnace inner space under the roaster bell as the combustion chamber, at the fire door place at roaster top mounted connector, be used for connecting the burner of roaster.
Burner comprises outer tube, jet thrust and puff prot, and usually, outer tube is designed to the steel-tube construction with compressed air communication.End at outer tube arranges flange, and jet thrust is installed in the center of flange, and jet thrust comprises the gas inlet pipe that is communicated with combustion gas and coordinates the air spray dish that is used for passing through air of outer tube diameter.Puff prot is arranged on the flange outside of outer tube, the end that puff prot is connected with flange arranges the flange of cooperation, puff prot and outer tube are bolted, and the other end of puff prot is set to the steel pipe isometrical with outer tube, and the length of puff prot steel pipe designs according to actual conditions.
Jet thrust plays vital effect as the vitals with combustion gas and air mixing for combustion efficiency.In prior art, the gas inlet pipe of jet thrust is all one section less steel pipe of diameter that penetrates outer tube, the tip designs of steel pipe becomes the frustum cone structure of end sealing, is evenly equipped with a circle gas outlet on the side of round platform, and the straight length below round platform also arranges a circle gas outlet.The fixing welding in the gas outlet below air spray dish of straight length.Air spray dish is vertical with gas inlet pipe to be arranged, and has certain thickness.Air spray dish and outer tube keep one and enclose less gap, are used for passing into air.Around straight length arranged outside one circle air via hole, along circumference, some air flumes that forward tilt are set outside the air via hole on air spray dish.On air spray dish, the position of corresponding straight length gas outlet also arranges two fire makers that are fixed on gas inlet pipe.
After compressed air enters outer tube, through the gap of gas inlet pipe and outer tube and the axial air via hole of air spray dish and the ejection of oblique skewed slot, eject combustion gas mixing with gas outlet, for the burning of combustion gas provides combustion-supporting gas.
After combustion gas was lighted in the fire maker sparking, the mixed airflow burning of ejecting on jet thrust formed injecting type flame to the combustion chamber heating of roaster, to reach the purpose of roasting isostatic pressing formed graphite.Yet, in the mixed process of combustion gas and air, due to the jet thrust ejection of combustion gas from the center, between the air via hole of air and air flume and gas outlet, certain distance is arranged and be used for to spray on air spray dish, and both are substantially that the straight axis along pipe outwards sprays, and can not fully mix, and cause fuel gas buring insufficient, thereby reduced efficiency of combustion, also wasted combustion gas.
The utility model content
The utility model technical issues that need to address be to provide a kind of simple in structure, can make compressed air and the well-mixed Combuster for roasting furnace jet thrust of combustion gas, be able to abundant burning to guarantee combustion gas, improve efficiency of combustion.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of Combuster for roasting furnace jet thrust; Comprise gas inlet pipe; Offer the igniting spray orifice on the sidewall of described gas inlet pipe end; Be fixedly installed the air inlet dish vertical with gas inlet pipe below the igniting spray orifice; Offer on described air inlet dish for the air via hole by air; The position in air inlet dish corresponding points fire-fighting hole arranges the fire maker that is fixed on gas inlet pipe; Some combustion gas arms that tilt to be communicated with gas inlet pipe are set on the excircle of air inlet dish; The end setting of combustion gas arm is facing to the center of gas inlet pipe or the inclination spout that deviates from the center of gas inlet pipe; The inclination spout of adjacent combustion gas arm is towards the opposite.
Further improvement of the utility model is: described combustion gas arm comprises two combustion gas arm I and two combustion gas arm II that the space arranges, and the inclination spout of described two combustion gas arm I is towards the axis of gas inlet pipe and be arranged symmetrically with centered by the axis of gas inlet pipe; The inclination spout of described two combustion gas arm II is gas inlet pipe and being arranged symmetrically with centered by the axis of gas inlet pipe dorsad.
Further improvement of the utility model is: the upper surface of described air inlet dish is uniform radially extend become the swash plate at certain angle of inclination with the upper surface; Described air via hole comprises and is positioned at the air via hole II under the swash plate inclined-plane and is distributed on air via hole I on air inlet dish circumference.
Further improvement of the utility model is: the angle of described swash plate and air inlet dish upper surface is 60 °～90 °.
Further improvement of the utility model is: the axis of described combustion gas arm II and the axis angle of gas inlet pipe are 10 °～45 °.
Further improvement of the utility model is: the axis of described combustion gas arm I and the axis angle of gas inlet pipe are 10～45 °.
Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:
Roaster burner jet thrust of the present utility model is simple in structure, easy to process, the compressed air of the air via hole ejection from the air inlet dish is fully mixed with the combustion gas that the combustion gas arm sprays, combustion gas has obtained abundant burning, improve efficiency of combustion, reduced production cost.
Combustion gas arm I and the space setting of combustion gas arm II, the inclination spout of combustion gas arm I is towards gas inlet pipe, the uniform air via hole I that arranges on the end face of air inlet dish, the combustion gas that can make the oblique ejection of combustion gas arm I and the end face of air inlet dish directly intersect to the air of ejection and also fully mix, for the abundant burning of combustion gas provides condition.
The inclination spout of combustion gas arm II is gas inlet pipe dorsad, the combustion gas of ejection stops, reflects through the puff prot inwall, intersect and fully mix with the air that sprays in gap between air inlet dish cylindrical and puff prot inwall, this part combustion gas has also obtained abundant burning.
The uniform swash plate that is provided with also on the end face of air spray dish, swash plate tiltedly stands in and can guide the air of air via hole II ejection to form eddy current on air spray dish end face together with other mist, intersect, be mixed to get more abundant in the spiral process of advancing, further guaranteed the abundant burning of combustion gas.
On the air inlet dish, the position in corresponding points fire-fighting hole arranges fire maker, can light a fire to mist, and mist is burnt.
Description of drawings
Fig. 1 is top view of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is that the K of swash plate is to view;
Fig. 4 is the B-B cutaway view of Fig. 1.
Wherein, 1, combustion gas arm I, 2, fire maker, 3, combustion gas arm II, 4, gas inlet pipe, 5, air via hole II, 6, swash plate, 7, the igniting spray orifice, 8, the air inlet dish, 9, air via hole I, 10, chuck, 61, domatic, 62, face directly.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details:
A kind of Combuster for roasting furnace jet thrust as Fig. 1, Fig. 2, shown in Figure 43, comprises gas inlet pipe 4, and the bottom of gas inlet pipe 4 is provided with screw thread, is used for connecting outer tube.Offer on the sidewall of gas inlet pipe 4 ends the igniting spray orifice 7, the igniting spray orifice 7 below be fixedly installed air inlet dish 8.Air inlet dish 8 setting vertical with gas inlet pipe 4, the position in air inlet dish 8 corresponding points fire-fighting holes 7 arranges fire maker 2, and fire maker 2 is fixed on gas inlet pipe 4 by chuck 10.
The uniform swash plate 6 that is provided with in the upper surface of air inlet dish 8, as shown in Figure 3, comprise one section with air inlet dish welding face 62 directly, also comprise one section domatic 61.During welding, the section of facing directly of swash plate is along the radially extension of air inlet dish, domatic circumference along the air inlet dish, and the angle between domatic and air inlet dish is 60 °～90 °.The domatic same direction along air inlet dish circumference of all swash plates is forward arranged.The domatic below of swash plate is offered for by compressed-air actuated air via hole II 5.Around the excircle that fires the machine air inlet pipe, one circle being set also is used for by compressed-air actuated air via hole I 9.
Some combustion gas arms are set on the excircle of air inlet dish 8, the combustion gas arm tilts to be communicated with gas inlet pipe 4, the end setting of combustion gas arm is facing to the center of gas inlet pipe 4 or the inclination spout that deviates from the center of gas inlet pipe 4, and the inclination spout of adjacent combustion gas arm is towards the opposite.
The combustion gas arm comprises combustion gas arm I 1 and combustion gas arm II 3, combustion gas arm I 1 and the 3 spaces settings of combustion gas arm II, the axis of combustion gas arm I 1 and the axis angle of gas inlet pipe 4 are 10 °～45 °, and the inclination spout of combustion gas arm I 1 is towards the axis of gas inlet pipe 4 and be arranged symmetrically with centered by the axis of gas inlet pipe 4; The axis of combustion gas arm II 3 and the axis angle of gas inlet pipe 4 are 10 °～45 °, the inclination spout of combustion gas arm II 3 dorsad gas inlet pipe 4 axis and be arranged symmetrically with centered by the axis of gas inlet pipe 4.
In the present embodiment, all combustion gas arms are distributed on the excircle of air inlet dish 8.Combustion gas arm I 1 is provided with 2, and combustion gas arm II 2 is provided with 2; The axis of combustion gas arm I 1 and the axis angle of gas inlet pipe 4 are 30 °, and the axis of combustion gas arm II 3 and the axis angle of gas inlet pipe 4 are 30 °.Swash plate 6 is set to two, and swash plate 6 is 80 ° with the angle of the end face of air inlet dish 8.Air via hole II 5 is provided with 4, on every two same circumference that are distributed on air inlet dish 8, and all is positioned on the same diameter line of air inlet dish 8.
Claims (6)
1. Combuster for roasting furnace jet thrust; Comprise gas inlet pipe (4); It is characterized in that: offer igniting spray orifice (7) on the sidewall of described gas inlet pipe (4) end; Be fixedly installed the air inlet dish (8) vertical with gas inlet pipe (4) below igniting spray orifice (7); Offer on described air inlet dish (8) for the air via hole by air; The position in air inlet dish (8) corresponding points fire-fighting hole (7) arranges the fire maker (2) that is fixed on gas inlet pipe (4); Some combustion gas arms that tilt to be communicated with gas inlet pipe (4) are set on the excircle of air inlet dish (8); The end setting of combustion gas arm is facing to the center of gas inlet pipe (4) or the inclination spout that deviates from the center of gas inlet pipe (4); The inclination spout of adjacent combustion gas arm is towards the opposite.
2. Combuster for roasting furnace jet thrust according to claim 1, it is characterized in that: described combustion gas arm comprises two combustion gas arm I (1) and two the combustion gas arm II (3) that the space arranges, and the inclination spout of described two combustion gas arm I (1) is towards the axis of gas inlet pipe (4) and be arranged symmetrically with centered by the axis of gas inlet pipe (4); The inclination spout of described two combustion gas arm II (3) is gas inlet pipe (4) and being arranged symmetrically with centered by the axis of gas inlet pipe (4) dorsad.
3. Combuster for roasting furnace jet thrust according to claim 1, is characterized in that: the uniform swash plate (6) that becomes certain angle of inclination with the upper surface that radially extends in the upper surface of described air inlet dish (8); Described air via hole comprises and is positioned at the air via hole II (5) under swash plate (6) inclined-plane and is distributed on air via hole I (9) on air inlet dish (8) circumference.
4. Combuster for roasting furnace jet thrust according to claim 3 is characterized in that: described swash plate (6) is 60 °～90 ° with the angle of air inlet dish (8) upper surface.
5. Combuster for roasting furnace jet thrust according to claim 2, it is characterized in that: the axis angle of the axis of described combustion gas arm II (3) and gas inlet pipe (4) is 10 °～45 °.
6. Combuster for roasting furnace jet thrust according to claim 2, it is characterized in that: the axis angle of the axis of described combustion gas arm I (1) and gas inlet pipe (4) is 10～45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197683 CN203258655U (en) | 2013-04-18 | 2013-04-18 | Burner jet head for calcinatory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197683 CN203258655U (en) | 2013-04-18 | 2013-04-18 | Burner jet head for calcinatory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258655U true CN203258655U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320197683 Expired - Fee Related CN203258655U (en) | 2013-04-18 | 2013-04-18 | Burner jet head for calcinatory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524157A (en) * | 2016-12-02 | 2017-03-22 | 海湾环境科技（北京）股份有限公司 | Combustor |
-
2013
- 2013-04-18 CN CN 201320197683 patent/CN203258655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524157A (en) * | 2016-12-02 | 2017-03-22 | 海湾环境科技（北京）股份有限公司 | Combustor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20170418 |