CN201706506U - Multi-fuel asphalt stirring equipment burner - Google Patents
Multi-fuel asphalt stirring equipment burner Download PDFInfo
- Publication number
- CN201706506U CN201706506U CN2010202247330U CN201020224733U CN201706506U CN 201706506 U CN201706506 U CN 201706506U CN 2010202247330 U CN2010202247330 U CN 2010202247330U CN 201020224733 U CN201020224733 U CN 201020224733U CN 201706506 U CN201706506 U CN 201706506U
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- fuel
- burner
- mixing plant
- asphalt mixing
- combustion chamber
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Abstract
The utility model relates to a burner of asphalt concrete stirring equipment, in particular to a multi-fuel asphalt stirring equipment burner, which aims at solving the problem that the burner in the prior art can not meet the use requirement under various conditions. The utility model has the technical scheme that the multi-fuel asphalt stirring equipment burner comprises a primary air passage, a secondary air passage, a cyclone, an igniter, a fuel spraying opening and a combustion chamber, wherein the cyclone is arranged in the primary air passage, the igniter is arranged at the end part of a center pipe of the primary air passage, and the combustion chamber is arranged at the outer side of the fuel spraying opening. The utility model is characterized in that the combustion chamber comprises a radial telescopic type flame stabilizer and an axial telescopic type combustion head. The utility model can effectively utilize energy sources, can save the cost, and can reduce the environment pollution. Thereby, the flame shapes under any work condition can be obtained, and the utility model ensures the efficient combustion and environmental-protection emission of different fuel, and particularly ensures the long dwell time and high combustion efficiency of coal powder at a high-temperature region in a coal powder burner.
Description
One, technical field:
The utility model relates to a kind of burner of asphalt mixing plant, especially relates to a kind of many fuel asphalt mixing plant burner.
Two, background technology
Burner is as imperative equipment in the asphalt mixing plant, its operating cost is occupied important share in entire equipment production run totle drilling cost, how to guarantee under the prerequisite that asphalt mixing plant uses, select suitable burner can effective use of energy sources, again can save cost, reduce environmental pollution, become the problem of present construction of the highway and maintenance enterprises pay attention.At present asphalt mixing plant is commonly used 6 types of fuel burners: bumer of light fuel, heavy oil burner, coal burner, gas burner, water coal slurry burner and mixed type burner.All there are the characteristics of oneself aspects such as the operating cost of every kind of burner and environmental protection, and for example, relatively environmental protection of gas burner, but cost height are fit to the city operation, and the coal burner cost is low, and heat is big, is fit to operation outside the city.So, in order to adapt to the needs in various areas, the type that also needs flexible selective combustion device, the problem that prior art exists is: the burners in prior a kind of fuel in a kind of gas, oil plant or the coal dust that can only burn, and refuelling then needs to change earlier equipment such as combustion chamber, the two or more fuel even a kind of burner can burn if desired, the measure of taking also is to be provided with two with upper combustion chamber, the burner submission is bigger like this, changes inconvenience, and cost is higher.
Three, utility model content:
The utility model provides a kind of many fuel asphalt mixing plant burner, and the burner that exists with the solution prior art can not satisfy the problem of using under various conditions, promptly changes between various fuel such as combustion gas, heavy oil, residual oil, coal dust easily.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of many fuel asphalt mixing plant burner, comprise wind passage, a secondary air channel, be arranged on one time in the wind passage cyclone, be arranged on igniter, fuel nozzle ports and the combustion chamber of a wind channel center tube end, the combustion chamber is arranged at the fuel nozzle ports outside, and it is characterized in that: described combustion chamber comprises radial telescopic type flameholder and axial stretching formula combustion head.
Above-mentioned radial telescopic type flameholder is arranged at the end of combustion chamber near fuel nozzle ports, and axial stretching formula combustion head is arranged at the combustion chamber other end.
Above-mentioned cyclone is made up of tangential blast pipe or cyclone plate.
Above-mentioned fuel nozzle ports comprises the coal dust entrance, the gas spraying inlet, and the fuel oil entrance, described coal dust entrance, the gas spraying inlet has two groups respectively, is arranged at the inboard and the outside of cyclone plate.
An above-mentioned wind passage is arranged at primary and secondary air follow-up adjustment device with the secondary air channel place of connection.Be used for regulating the primary and secondary air ratio.
Above-mentioned radial telescopic type flameholder has 1 at least.
Above-mentioned radial telescopic type flameholder is profile of tooth.
Above-mentioned combustion chamber arranged outside has cooling device.
Above-mentioned cooling device comprises cooling chamber, and water inlet pipe and outlet pipe, cooling chamber are arranged at the axial stretching formula combustion head outside, and water inlet pipe is connected with cooling chamber, and outlet pipe one end is connected with cooling chamber, and the other end is arranged at the cyclone outside.
Above-mentioned cooling device comprises cooling chamber, air inlet pipe and escape pipe, and cooling chamber is arranged at the axial stretching formula combustion head outside, and air inlet pipe is connected with cooling chamber, and escape pipe one end is connected with cooling chamber, and the other end is arranged in the fuel oil entrance.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
The utility model adopts axial stretching formula combustion head and radial telescopic type flameholder that length, the adjustable three-dimensional adjustable of internal diameter combustion chamber are set, can select suitable fuel by adjusting to the combustion chamber, can effective use of energy sources, again can save cost, reduce environmental pollution.The utility model adopts independently wind passage and secondary air channel, and the ratio that two air channels automatic regulator is regulated wind and secondary wind automatically is set, flow pattern is sprayed in the different proportion of interior exogenous wind and outlet can large-scale stepless adjustment under the constant condition of total blast volume, thereby can obtain to adapt to the flame profile of any operating mode, guaranteed different fuel can both efficient burning, environment protection emission, especially guarantee that the time of staying of coal dust in the coal burner high-temperature region is long, the efficiency of combustion height.Water cooling plant becomes steam and sends into flame kernel by outlet pipe by the water cooling combustion head, has reduced the discharge of harmful gases of combusting coal fines.Air-cooling apparatus, gases at high pressure are met thermal expansion at cooling chamber, send into fuel jet by escape pipe, increase pressure, can save 30% atomizing pressure-air.
Four, description of drawings:
Fig. 1 is the structural representation of the burner of incendivity pluralities of fuel;
Description of reference numerals is as follows:
Wind passage of 1-, 2-secondary air channel, 3-cyclone, the 4-igniter, 5-coal dust entrance, 6-gas spraying inlet, 7-fuel oil entrance, 8-radial telescopic type flameholder, the axial extension type combustion head of 9-, 10-primary and secondary air follow-up adjustment device, 11-cooling chamber, the 12-water inlet pipe, the 13-outlet pipe.
Five, the specific embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Referring to Fig. 1 Fig. 2, a kind of many fuel asphalt mixing plant burner, comprise wind passage 1 one time, secondary air channel 2, be arranged on the cyclone 3 in the wind passage 1 one time, be arranged on the igniter 4 of wind passage 1 a central tube end, fuel nozzle ports and combustion chamber, the combustion chamber is arranged at the fuel nozzle ports outside, described combustion chamber comprises radial telescopic type flameholder 8 and axial stretching formula combustion head 9, described radial telescopic type flameholder is arranged at the end of combustion chamber near fuel nozzle ports, axial stretching formula combustion head is arranged at the combustion chamber other end, and described cyclone 3 is made up of tangential blast pipe or cyclone plate.Described fuel nozzle ports comprises coal dust entrance 5, gas spraying inlet 6, fuel oil entrance 7, coal dust entrance 5, gas spraying inlet 6 has two groups respectively, be arranged at cyclone 3 inboards and the outside, a described wind passage 1 is arranged at primary and secondary air follow-up adjustment device 10 with secondary air channel 2 places of connection.Be used for regulating the primary and secondary air ratio, described radial telescopic type flameholder 8 is profile of tooth.
1, when being fuel with the coal dust, maximum axially is transferred in described combustion chamber, radially also is transferred to maximum,
One time wind transfers to maximum.Described cooling device is a water-cooled mechanism, comprises cooling chamber 11, water inlet pipe 12 and outlet pipe 13, cooling chamber 11 is arranged at axial stretching formula combustion head 9 outsides, water inlet pipe 12 is connected with cooling chamber 11, and outlet pipe 13 1 ends are connected with cooling chamber 11, and the other end is arranged at cyclone 3 outsides.
2, when being fuel with the fuel oil: described combustion chamber axially is transferred to moderate, and is radially motionless, wind, secondary wind facies etc.Described cooling device comprises cooling chamber 11, air inlet pipe and escape pipe for air cooling mechanism, and cooling chamber 11 is arranged at axial stretching formula combustion head 9 outsides, and air inlet pipe is connected with cooling chamber 11, and escape pipe one end is connected with cooling chamber 11, and the other end is arranged in the fuel oil entrance 7
3, when being fuel with the natural gas: described combustion chamber axially is transferred to moderate, and is radially motionless, and one time wind, secondary wind transfer to maximum.
Claims (10)
1. the burner of fuel asphalt mixing plant more than a kind, comprise a wind passage (1), secondary air channel (2), be arranged on cyclone (3) in the wind passage (1), be arranged on igniter (4), fuel nozzle ports and the combustion chamber of a wind passage (1) central tube end, the combustion chamber is arranged at the fuel nozzle ports outside, and it is characterized in that: described combustion chamber comprises radial telescopic type flameholder (8) and axial stretching formula combustion head (9).
2. a kind of many fuel asphalt mixing plant burner as claimed in claim 1 is characterized in that: above-mentioned radial telescopic type flameholder (8) is arranged at the end of combustion chamber near fuel nozzle ports, and axial stretching formula combustion head (9) is arranged at the combustion chamber other end.
3. a kind of many fuel asphalt mixing plant burner as claimed in claim 1 or 2, it is characterized in that: described fuel nozzle ports comprises coal dust entrance (5), gas spraying inlet (6), fuel oil entrance (7), described coal dust entrance (5), gas spraying inlet (6) has two groups respectively, is arranged at the inboard and the outside of cyclone (3).
4. a kind of many fuel asphalt mixing plant burner as claimed in claim 3 is characterized in that: a described wind passage (1) is arranged at primary and secondary air follow-up adjustment device (10) with secondary air channel (2) place of connection.
5. a kind of many fuel asphalt mixing plant burner as claimed in claim 4, it is characterized in that: described radial telescopic type flameholder (8) has 1 at least.
6. a kind of many fuel asphalt mixing plant burner as claimed in claim 5, it is characterized in that: described radial telescopic type flameholder (8) is profile of tooth.
7. a kind of many fuel asphalt mixing plant burner as claimed in claim 6, it is characterized in that: described cyclone (3) is made up of tangential blast pipe or cyclone plate.
8. a kind of many fuel asphalt mixing plant burner as claimed in claim 4, it is characterized in that: described combustion chamber arranged outside has cooling device.
9. a kind of many fuel asphalt mixing plant burner as claimed in claim 8, it is characterized in that: described cooling device comprises cooling chamber (11), water inlet pipe (12) and outlet pipe (13), cooling chamber (11) is arranged at axial stretching formula combustion head (9) outside, water inlet pipe (12) is connected with cooling chamber (11), outlet pipe (13) one ends are connected with cooling chamber (11), and the other end is arranged at cyclone (3) outside.
10. a kind of many fuel asphalt mixing plant burner as claimed in claim 9, it is characterized in that: described cooling device comprises cooling chamber (11), air inlet pipe and escape pipe, cooling chamber (11) is arranged at axial stretching formula combustion head (9) outside, air inlet pipe is connected with cooling chamber (11), escape pipe one end is connected with cooling chamber (11), and the other end is arranged in the fuel oil entrance (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202247330U CN201706506U (en) | 2010-06-13 | 2010-06-13 | Multi-fuel asphalt stirring equipment burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202247330U CN201706506U (en) | 2010-06-13 | 2010-06-13 | Multi-fuel asphalt stirring equipment burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706506U true CN201706506U (en) | 2011-01-12 |
Family
ID=43443665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202247330U Expired - Fee Related CN201706506U (en) | 2010-06-13 | 2010-06-13 | Multi-fuel asphalt stirring equipment burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706506U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865578A (en) * | 2012-10-18 | 2013-01-09 | 余建辉 | Oil-coal dual-purpose burner |
| CN102997240A (en) * | 2012-12-08 | 2013-03-27 | 中山华帝燃具股份有限公司 | Gas burner capable of stabilizing flame propagation |
| CN103322556A (en) * | 2013-05-20 | 2013-09-25 | 河南陆德筑机股份有限公司 | Pulverized coal burner |
| CN111847952A (en) * | 2020-06-12 | 2020-10-30 | 福建省铁拓机械股份有限公司 | Composite drying roller with telescopic combustion chamber for heating RAP and aggregate |
-
2010
- 2010-06-13 CN CN2010202247330U patent/CN201706506U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865578A (en) * | 2012-10-18 | 2013-01-09 | 余建辉 | Oil-coal dual-purpose burner |
| CN102865578B (en) * | 2012-10-18 | 2017-09-05 | 余建辉 | Oil/coal dual-purpose burner |
| CN102997240A (en) * | 2012-12-08 | 2013-03-27 | 中山华帝燃具股份有限公司 | Gas burner capable of stabilizing flame propagation |
| CN103322556A (en) * | 2013-05-20 | 2013-09-25 | 河南陆德筑机股份有限公司 | Pulverized coal burner |
| CN103322556B (en) * | 2013-05-20 | 2015-11-18 | 河南陆德筑机股份有限公司 | A kind of powdered coal burner |
| CN111847952A (en) * | 2020-06-12 | 2020-10-30 | 福建省铁拓机械股份有限公司 | Composite drying roller with telescopic combustion chamber for heating RAP and aggregate |
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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: 20110112 Termination date: 20130613 |