CN211204040U - Energy-saving kiln head coal injection pipe - Google Patents
Energy-saving kiln head coal injection pipe Download PDFInfo
- Publication number
- CN211204040U CN211204040U CN201921922899.7U CN201921922899U CN211204040U CN 211204040 U CN211204040 U CN 211204040U CN 201921922899 U CN201921922899 U CN 201921922899U CN 211204040 U CN211204040 U CN 211204040U
- Authority
- CN
- China
- Prior art keywords
- air duct
- pipe
- injection pipe
- connecting pipe
- coal injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an energy-conserving kiln head coal injection pipe, including coal injection pipe main part, the one end of coal injection pipe main part is provided with outer wind adjustable mechanism, the one end of outer wind adjustable mechanism is provided with the connecting pipe No. one, the front end of a connecting pipe is provided with the buggy import, the one end of a connecting pipe is provided with the connecting pipe No. two, the one end of connecting pipe No. two is provided with whirl wind adjustable mechanism, whirl wind adjustable mechanism's one end is provided with fixed pipe, the one end of fixed pipe is provided with vortex wind adjustable mechanism. An energy-conserving kiln head coal injection pipe, the wind quantity is less, relatively practices thrift the coal, relatively practices thrift the electric energy for nitrogen oxide's emission reduces, and is relatively convenient.
Description
Technical Field
The utility model relates to a kiln hood coal injection pipe technical field, in particular to energy-conserving kiln hood coal injection pipe.
Background
The coal powder burner has a specially designed multi-stage multi-nozzle air supply guide structure, can generate high-temperature vortex for coal powder in a short time, has the advantages of complete combustion, high heat utilization rate, smoke prevention and dust removal, high efficiency, energy conservation, improvement on working conditions, reduction of labor intensity and the like, is an ideal product for energy conservation and environmental protection, and needs a kiln head coal injection pipe in the combustion process of the coal powder; the existing kiln-head coal injection pipe has the defects that firstly, the primary air consumption of the kiln-head coal injection pipe is large, energy is not saved enough, secondly, the discharge amount of nitrogen oxides of the kiln-head coal injection pipe is high, and the environment is easily polluted.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an energy-conserving kiln head coal injection pipe can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an energy-saving kiln head coal injection pipe comprises a coal injection pipe main body, wherein an outer shaft air adjusting mechanism is arranged at one end of the coal injection pipe main body, a first connecting pipe is arranged at one end of the outer shaft air adjusting mechanism, a pulverized coal inlet is arranged at the front end of the first connecting pipe, a second connecting pipe is arranged at one end of the first connecting pipe, a rotational flow air adjusting mechanism is arranged at one end of the second connecting pipe, a fixed pipe is arranged at one end of the rotational flow air adjusting mechanism, a vortex air adjusting mechanism is arranged at one end of the fixed pipe, a supporting pipe is arranged at the upper end of the fixed pipe, a clean air inlet is arranged at the upper end of the supporting pipe, an outer axial flow air channel is arranged inside the coal injection pipe main body, a pulverized coal air channel is arranged inside the outer axial flow air channel, a rotational flow air channel is arranged inside the pulverized coal, one end of the vortex wind adjustable mechanism is provided with a head connecting pipe.
Preferably, the one end of outer wind adjustable mechanism and the one end fixed connection of coal-injection pipe main part, the one end of a connecting pipe and the one end fixed connection of outer wind adjustable mechanism, the rear end of buggy import and the front end fixed connection of a connecting pipe.
Preferably, one end of the rotational flow air adjustable mechanism is fixedly connected with one end of the second connecting pipe, one end of the fixed pipe is fixedly connected with one end of the rotational flow air adjustable mechanism, and one end of the rotational flow air adjustable mechanism is fixedly connected with one end of the fixed pipe.
Preferably, the lower ends of the supporting tubes are fixedly connected with the upper ends of the fixed tubes, the number of the supporting tubes is two, and the lower ends of the clean air inlets are fixedly connected with the upper ends of the supporting tubes.
Preferably, the outer surface of the outer axial flow air duct is fixedly connected with the inner surface of the coal injection pipe main body, and the outer surface of the pulverized coal air duct is fixedly connected with the inner surface of the outer axial flow air duct.
Preferably, the outer surface of the swirling air duct is fixedly connected with the inner surface of the pulverized coal air duct, the outer surface of the swirling air duct is fixedly connected with the inner surface of the swirling air duct, and one end of the head connecting pipe is fixedly connected with one end of the swirling air adjusting mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has: the energy-saving kiln head coal injection pipe has the advantages that the ventilation areas of the outer axial flow air duct and the outlet can be adjusted in a stepless manner, the ventilation areas and the angle areas of the outlet of the rotational flow air duct and the outlet of the eddy flow air duct can be adjusted in a stepless manner, the head connecting pipe is convenient to disassemble and assemble and convenient to maintain and replace, the primary air consumption is small, coal is saved, electric energy is saved, the discharge amount of nitrogen oxides is reduced, the outer shaft air adjusting mechanism, the rotational flow air adjusting mechanism and the eddy flow air adjusting mechanism are convenient and flexible to use, the quality is reliable, the whole machine is convenient to operate and stable in performance, the coal dust air duct is arranged between the outer axial flow air duct and the rotational flow air duct, coal dust is rapidly diffused under the action of the outer axial flow air and the outer rotational flow air, the coal dust is rapidly ignited, the distribution of flame shape and flame temperature can be effectively adjusted, the nozzle of the outer axial flow air duct has a certain inclination, high-speed air is sprayed out in a spiral form, high-temperature secondary air and diffusion coal powder can be fully entrained and absorbed, and the using effect is better than that of the traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of an energy-saving kiln head coal injection pipe of the utility model;
FIG. 2 is a structural diagram of the coal injection pipe main body of the coal injection pipe of the energy-saving kiln head of the present invention;
fig. 3 is a schematic structural view of an external axial flow air duct of the coal injection pipe of the energy-saving kiln head of the utility model;
fig. 4 is a schematic structural view of a pulverized coal duct of the coal injection pipe of the energy-saving kiln head of the present invention;
FIG. 5 is a schematic structural view of a cyclone air duct of the coal injection pipe of the energy-saving kiln head of the present invention;
fig. 6 is a schematic structural view of a vortex air duct of the coal injection pipe of the energy-saving kiln head of the present invention.
In the figure: 1. a coal injection pipe main body; 2. an outer shaft wind adjustable mechanism; 3. a first connecting pipe; 4. a pulverized coal inlet; 5. a second connecting pipe; 6. a rotational flow wind adjustable mechanism; 7. a fixed tube; 8. a vortex air adjustable mechanism; 9. a clean air inlet; 10. an outer axial flow duct; 11. a pulverized coal duct; 12. a swirling flow air duct; 13. a vortex air duct; 14. supporting a tube; 15. the head is connected with the pipe.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-6, an energy-saving kiln head coal injection pipe comprises a coal injection pipe main body 1, one end of the coal injection pipe main body 1 is provided with an outer shaft air adjusting mechanism 2, one end of the outer shaft air adjusting mechanism 2 is provided with a first connecting pipe 3, the front end of the first connecting pipe 3 is provided with a coal powder inlet 4, one end of the first connecting pipe 3 is provided with a second connecting pipe 5, one end of the second connecting pipe 5 is provided with a rotational flow air adjusting mechanism 6, one end of the rotational flow air adjusting mechanism 6 is provided with a fixed pipe 7, one end of the fixed pipe 7 is provided with a vortex air adjusting mechanism 8, the upper end of the fixed pipe 7 is provided with a support pipe 14, the upper end of the support pipe 14 is provided with a clean air inlet 9, the coal injection pipe main body 1 is internally provided with an outer axial flow air duct 10, the outer axial flow air duct 10 is internally provided with a coal powder air duct 11, one end of the vortex wind adjustable mechanism 8 is provided with a head connecting pipe 15.
The one end of outer wind adjustable mechanism 2 and the one end fixed connection of coal-injection pipe main part 1, outer wind adjustable mechanism 2, whirl wind adjustable mechanism 6, vortex wind adjustable mechanism 8 are convenient nimble, the quality is reliable, the complete machine simple operation, the stable performance, the one end of a connecting pipe 3 and the one end fixed connection of outer wind adjustable mechanism 2, the rear end of buggy import 4 and the front end fixed connection of a connecting pipe 3, the entering of buggy is convenient for through buggy import 4.
One end of the rotational flow wind adjustable mechanism 6 is fixedly connected with one end of the second connecting pipe 5, one end of the fixed pipe 7 is fixedly connected with one end of the rotational flow wind adjustable mechanism 6, and one end of the eddy flow wind adjustable mechanism 8 is fixedly connected with one end of the fixed pipe 7.
The lower ends of the supporting pipes 14 are fixedly connected with the upper ends of the fixed pipes 7, the supporting pipes 14 can be used for connecting the net air inlets 9 with the fixed pipes 7, the number of the supporting pipes 14 is two, and the lower ends of the net air inlets 9 are fixedly connected with the upper ends of the supporting pipes 14.
The outer surface of the outer axial flow air duct 10 is fixedly connected with the inner surface of the coal injection pipe main body 1, the cross section of the outer axial flow air duct 10 is in a semicircular hole form, the wind resistance is reduced, the jet strength is improved, the outer surface of the pulverized coal air duct 11 is fixedly connected with the inner surface of the outer axial flow air duct 10, the pulverized coal air duct 11 is arranged between the outer axial flow air duct 10 and the rotational flow air duct 12, pulverized coal is rapidly diffused under the action of the outer axial flow air and the outer rotational flow air, the pulverized coal is rapidly ignited, and the flame shape and the flame temperature distribution can be effectively adjusted.
The outer surface of the swirling air duct 12 is fixedly connected with the inner surface of the pulverized coal air duct 11, the swirling air duct 12 can control the thickness and length of flame and can adjust the distribution of temperature in the kiln, the outer surface of the swirling air duct 13 is fixedly connected with the inner surface of the swirling air duct 12, the swirling air duct 13 can be used for temperature flame and adjusting the shape of flame and the distribution of temperature in the kiln, and one end of the head connecting pipe 15 is fixedly connected with one end of the swirling air adjusting mechanism 8.
It should be noted that the utility model relates to an energy-saving kiln head coal injection pipe, the user can adjust the ventilation area of the outer axial flow air duct 10 steplessly, the ventilation area and the angle area of the outlet of the vortex air duct 12 and 13 can be adjusted steplessly, the head connecting pipe 15 is convenient to disassemble and assemble, the maintenance and the replacement are convenient, the primary air consumption is small, the coal is saved, the electric energy is saved, the discharge of nitrogen oxides is reduced, the outer axial air adjustable mechanism 2, the vortex air adjustable mechanism 6 and the vortex air adjustable mechanism 8 are convenient and flexible, the quality is reliable, the whole machine operation is convenient and fast, the performance is stable, the pulverized coal air duct 11 is arranged between the outer axial flow air duct 10 and the vortex air duct 12, the pulverized coal is rapidly diffused under the action of the outer axial flow air and the outer vortex air, the pulverized coal is rapidly ignited, the distribution of the flame shape and the flame temperature, the cross-section in outer axial flow wind channel 10 adopts the semicircle orifice form, the windage has been reduced, the jet strength has been improved, the wearing and tearing of nozzle have been reduced, the nozzle in outer axial flow wind channel 10 has certain inclination, high-speed wind is with the blowout of spiral form, can fully roll up high temperature overgrate air and diffusion buggy, whirl wind channel 12 can control the thickness and the length of flame, can adjust the distribution of temperature in the kiln, vortex wind channel 13 can temperature flame, adjust the flame shape, also can adjust the distribution of temperature in the kiln, surpass traditional kiln head coal injection pipe in the use prospect, and is comparatively practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an energy-conserving kiln hood coal injection pipe, includes coal injection pipe main part (1), its characterized in that: an outer axial flow air duct (10) is arranged in the coal injection pipe main body (1), a first connecting pipe (3) is arranged at one end of the outer axial flow air adjusting mechanism (2), a pulverized coal inlet (4) is arranged at the front end of the first connecting pipe (3), a second connecting pipe (5) is arranged at one end of the first connecting pipe (3), a rotational flow air adjusting mechanism (6) is arranged at one end of the second connecting pipe (5), a fixed pipe (7) is arranged at one end of the rotational flow air adjusting mechanism (6), a vortex air adjusting mechanism (8) is arranged at one end of the fixed pipe (7), a supporting pipe (14) is arranged at the upper end of the fixed pipe (7), a clean air inlet (9) is arranged at the upper end of the supporting pipe (14), an outer axial flow air duct (10) is arranged in the coal injection pipe main body (1), and a pulverized coal air duct (11) is arranged in the outer axial flow air duct (, the pulverized coal air duct is characterized in that a rotational flow air duct (12) is arranged inside the pulverized coal air duct (11), a vortex air duct (13) is arranged inside the rotational flow air duct (12), and a head connecting pipe (15) is arranged at one end of the vortex air adjustable mechanism (8).
2. The energy-saving kiln head coal injection pipe as claimed in claim 1, wherein: the one end of outer wind adjustable mechanism (2) and the one end fixed connection of coal-injection pipe main part (1), the one end of a connecting pipe (3) and the one end fixed connection of outer wind adjustable mechanism (2), the rear end of buggy import (4) and the front end fixed connection of a connecting pipe (3).
3. The energy-saving kiln head coal injection pipe as claimed in claim 1, wherein: one end of the rotational flow air adjustable mechanism (6) is fixedly connected with one end of the second connecting pipe (5), one end of the fixed pipe (7) is fixedly connected with one end of the rotational flow air adjustable mechanism (6), and one end of the rotational flow air adjustable mechanism (8) is fixedly connected with one end of the fixed pipe (7).
4. The energy-saving kiln head coal injection pipe as claimed in claim 1, wherein: the lower ends of the supporting pipes (14) are fixedly connected with the upper ends of the fixed pipes (7), the number of the supporting pipes (14) is two, and the lower ends of the clean air inlets (9) are fixedly connected with the upper ends of the supporting pipes (14).
5. The energy-saving kiln head coal injection pipe as claimed in claim 1, wherein: the outer surface of the outer axial flow air duct (10) is fixedly connected with the inner surface of the coal injection pipe main body (1), and the outer surface of the pulverized coal air duct (11) is fixedly connected with the inner surface of the outer axial flow air duct (10).
6. The energy-saving kiln head coal injection pipe as claimed in claim 1, wherein: the outer surface of the swirl air duct (12) is fixedly connected with the inner surface of the pulverized coal air duct (11), the outer surface of the swirl air duct (13) is fixedly connected with the inner surface of the swirl air duct (12), and one end of the head connecting pipe (15) is fixedly connected with one end of the swirl air adjusting mechanism (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922899.7U CN211204040U (en) | 2019-11-08 | 2019-11-08 | Energy-saving kiln head coal injection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922899.7U CN211204040U (en) | 2019-11-08 | 2019-11-08 | Energy-saving kiln head coal injection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204040U true CN211204040U (en) | 2020-08-07 |
Family
ID=71855079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921922899.7U Active CN211204040U (en) | 2019-11-08 | 2019-11-08 | Energy-saving kiln head coal injection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211204040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146989A (en) * | 2023-04-18 | 2023-05-23 | 光大环保技术装备（常州）有限公司 | Household garbage reverse pushing grate adjustable hearth flue and hearth flue resistance adjusting method |
-
2019
- 2019-11-08 CN CN201921922899.7U patent/CN211204040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146989A (en) * | 2023-04-18 | 2023-05-23 | 光大环保技术装备（常州）有限公司 | Household garbage reverse pushing grate adjustable hearth flue and hearth flue resistance adjusting method |
| CN116146989B (en) * | 2023-04-18 | 2023-06-27 | 光大环保技术装备（常州）有限公司 | Household garbage reverse pushing grate adjustable hearth flue and hearth flue resistance adjusting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204141575U (en) | Be applicable to the coal burner nozzle being with minor air cell's cement decomposing furnace fuel-staged combustion | |
| CN202092129U (en) | Gas burner | |
| CN204165045U (en) | Warm flue gas recirculation coal powder burner in one | |
| CN207019063U (en) | A kind of low heat value/low-pressure gas burner | |
| CN101101116A (en) | Double passage ejection energy-saving burner | |
| CN204165044U (en) | The premixed coal dust low NO of a kind of adverse current | |
| CN211204040U (en) | Energy-saving kiln head coal injection pipe | |
| CN106122946B (en) | A kind of Flat Flame Burner | |
| CN109323258B (en) | Burner structure based on multiple types of nozzles | |
| CN204084467U (en) | The swirl nozzle that the axial two-stage direction of gas-turbine combustion chamber is contrary | |
| CN207438576U (en) | A kind of cement kiln end dore furnace hypoxemia flameless combustion denitrogenation coal burner | |
| CN201897223U (en) | Burner for burning gas with low heat value | |
| CN105318330A (en) | Burner and method capable of improving combustion effect of regenerative furnace | |
| CN2577124Y (en) | Bispin five-duct fine coal burner for rotary furnace | |
| CN209116339U (en) | A kind of multi fuel premix burner | |
| CN108167823B (en) | Device with axially adjustable blades for preventing slag formation of burner nozzle | |
| CN202792006U (en) | Head assembly of high-thrust and double-rotational-flow coal dust burner | |
| CN201575459U (en) | Kiln multi-channel coal gas and pulverized coal composite firing high-speed combustor | |
| CN210740383U (en) | Scalable cement kiln tail decomposing furnace pulverized coal burner | |
| CN1098489A (en) | Coal-powder boiler adjustable concentration low load automatic stable burning and slag-bonding protective device | |
| CN212929994U (en) | Four-corner tangential pure oxygen flat flame burner | |
| CN206094062U (en) | Strong efflux combustor that revolves | |
| CN201513882U (en) | Controllable eddy wide coal micro-oil ignition burner | |
| CN204176635U (en) | The boiler of two tune wind coal burner overhead | |
| CN209638997U (en) | Modified flue gas reuse heat-accumulating burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |