CN205332221U - Steam coal powder and natural gas multifuel combustion combustor - Google Patents
Steam coal powder and natural gas multifuel combustion combustor Download PDFInfo
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- CN205332221U CN205332221U CN201620083741.5U CN201620083741U CN205332221U CN 205332221 U CN205332221 U CN 205332221U CN 201620083741 U CN201620083741 U CN 201620083741U CN 205332221 U CN205332221 U CN 205332221U
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Abstract
The utility model discloses a steam coal powder and natural gas multifuel combustion combustor, including natural gas inlet structure, parcel tuber pipe of buggy outside natural gas inlet structure to and set up the air inlet structure outside tuber pipe of buggy, and advancing the structural buggy adjusting device that is provided with of coal, still be provided with the burning torch on tuber pipe of buggy, still be provided with a flame stabilizer at air inlet structure's end. The utility model provides a steam coal powder and natural gas multifuel combustion combustor, better improvement the combustion efficiency of combustor, flame stability, reduced the production consumption of enterprise, saved the fund of enterprise.
Description
Technical field
This utility model belongs to boiler heating art, specifically refers to a kind of steam coal powder that can be sufficiently mixed coal dust and natural gas and natural gas combustion combustor。
Background technology
Alumina molten salt stove generally adopts natural gas to make heating fuel, every molten salt furnace gas consumption 1400m3/h。Along with stepping up of Gas Prices, the impact of alumina production cost is increasing, thus significantly having increased the weight of the burden of enterprise, limit developing of enterprise。In order to overcome this problem, some producer has begun to the heating fuel using Pulverized Coal as molten salt furnace, and to reducing the cost produced, modal coal-dust combustion device is coal dust direct-injection burner, but it exists following defect:
One, when low volatilization coal such as employing meager coal or anthracite etc., it not easily catches fire and steady flame；
Its two, be sent into the coal dust of burner hearth and air mixture be uneven so that the concentration of coal dust is improper, cause coal dust firing incomplete, significantly waste fuel, increased the weight of the refuse intractability in later stage simultaneously；
Its three, coal dust is shorter in combustion zone residence time, and burnout rate is bad, significantly wastes production material, reduces the utilization rate of temperature that burning produces simultaneously。
Summary of the invention
The purpose of this utility model is in that to overcome the problems referred to above, it is provided that a kind of steam coal powder and natural gas combustion combustor, better improves the efficiency of combustion of burner, flame stability, reduces the production consumption of enterprise, save the fund of enterprise。
The purpose of this utility model is achieved through the following technical solutions:
A kind of steam coal powder and natural gas combustion combustor, including natural gas air intake structure, it is wrapped in the coal dust primary air piping outside natural gas air intake structure, and it is arranged on the air inlet structure outside coal dust primary air piping, device is regulated entering texture of coal is provided with coal dust, being additionally provided with burning torch on coal dust primary air piping, the end at air inlet structure is additionally provided with a flame holder。
Further, above-mentioned natural gas air intake structure is mainly made up of center Gas Pipe and main combustible pipe that is coaxial with this center Gas Pipe and that be wrapped in outside it, end at main combustible pipe is provided with cyclone, the end of center Gas Pipe runs through this cyclone, and the end in this center Gas Pipe is additionally provided with an orifice plate。
Further, described coal dust primary air piping is mainly by being used for introducing the coal feeding pipe of coal dust and air mixture and coaxial with main combustible pipe and be wrapped in the coal output pipe outside it and form；Described flame holder is arranged on the end of this coal output pipe, and cyclone and orifice plate are respectively positioned on the inside of coal output pipe。
As preferably, described air inlet structure includes the secondary air channel being wrapped in outside coal output pipe and the secondary wind swirl-flow devices being wrapped in outside secondary air channel and making secondary air channel and coal output pipe through。
Further, above-mentioned coal dust regulates device mainly by the reducing being arranged on outside main combustible pipe end, and is connected with this reducing and can control the coal dust adjusting rod composition of its folding size。
It addition, the end of described burning torch is arranged on outside the end of coal output pipe, and this burning torch communicates with coal output pipe。
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) main combustible pipe end of the present utility model is provided with cyclone, it is possible to better mixed with natural gas by coal dust, coal dust can also be preheated, so that coal dust is easier to be ignited, improve the combustion rate of coal dust in the process of mixing；Meanwhile, the end of center Gas Pipe is provided with orifice plate, it is possible to the natural gas of entrance is divided into multiply thread, coal dust can be mixed more fully with natural gas, improve the effect of its burning, further increase the efficiency of combustion of product so that the utilization of coal dust is more abundant。
(2) this utility model is provided with coal dust adjusting rod and reducing, the folding of reducing is controlled thus having reached to control the purpose of coal dust inlet by coal dust adjusting rod, better according to actual situation, the inlet of coal dust can be controlled, substantially increase the motility of product use with handling, reduce the use difficulty of product。
(3) this utility model is provided with secondary wind swirl-flow devices, the air stream with entry angle of different swirl strength can be produced, it is thus possible to better improve flame holding when product uses, the composite rate of natural gas and coal dust can also be improved simultaneously further, better improve the result of use of product。
(4) this utility model is provided with flame holder, the stability of flame combustion can be improved further, it is prevented that it is uneven that flame pays no attention to the heating caused, better improve the result of use of product, improve the quality of final production thing, better improve the competitiveness of enterprise。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Description of reference numerals: 1, center Gas Pipe；2, main combustible pipe；3, coal dust adjusting rod；4, coal dust primary air piping；5, secondary air channel；6, secondary wind swirl-flow devices；7, reducing；8, orifice plate；9, flame holder；10, cyclone；11, burning torch。
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this。
Embodiment 1
As shown in Figure 1, a kind of steam coal powder and natural gas combustion combustor, including natural gas air intake structure, it is wrapped in the coal dust primary air piping 4 outside natural gas air intake structure, and it is arranged on the air inlet structure outside coal dust primary air piping 4, regulating device entering to be provided with on texture of coal coal dust, be additionally provided with burning torch 11 on coal dust primary air piping 4, the end at air inlet structure is additionally provided with a flame holder 9。
Above-mentioned natural gas air intake structure is mainly made up of center Gas Pipe 1 and main combustible pipe 2 that is coaxial with this center Gas Pipe 1 and that be wrapped in outside it, end at main combustible pipe 2 is provided with cyclone 10, the end of center Gas Pipe 1 runs through this cyclone 10, and the end in this center Gas Pipe 1 is additionally provided with an orifice plate 8。
During use, center Gas Pipe and main combustible pipe air inlet simultaneously, natural gas in main combustible pipe forms eddy flow under the effect of cyclone and imports in the Gas Pipe of center, the mixed gas of center Gas Pipe is discharged by orifice plate and is divided into multiply thread by the aperture arranged on orifice plate, in order to it mixes with coal dust further。
Described coal dust primary air piping 4 is main by being used for introducing coal dust and the coal feeding pipe of air mixture and coaxial with main combustible pipe 2 and be wrapped in the coal output pipe outside it and form；Described flame holder 9 is arranged on the end of this coal output pipe, and cyclone 10 and orifice plate 8 are respectively positioned on the inside of coal output pipe。
Coal dust is entered by coal feeding pipe under the drive of air, and the final end at coal output pipe mixes with the natural gas being divided into multiply thread, well improves the uniformity of its mixing, and then makes it can burn more fully after ignition。
Described air inlet structure includes the secondary air channel 5 being wrapped in outside coal output pipe, and is wrapped in outside secondary air channel 5 and makes the through secondary wind swirl-flow devices 6 of secondary air channel 5 and coal output pipe。
This secondary air channel is through by swirl-flow devices and coal output pipe, the wind entered is from being radially mixed into whirlwind shape with the coal dust coal output pipe, the air in coal output pipe, coal dust and natural gas is finally made better to mix, further increase its composite rate and combustion efficiency, further increase the result of use of product。
Above-mentioned coal dust regulates device mainly by the reducing 7 being arranged on outside main combustible pipe 2 end, and is connected with this reducing 7 and can control the coal dust adjusting rod 3 of its folding size and form。
Can be good at the size of reducing is adjusted by coal dust adjusting rod, and with the inlet that this controls coal dust, simplify the operation of entirety, improve controlling and accuracy。
The end of described burning torch 11 is arranged on outside the end of coal output pipe, and this burning torch 11 communicates with coal output pipe。Very easily the mixture of air, coal dust and natural gas can be lighted by this burning torch, improve the safety that product uses。
As it has been described above, just can well realize this utility model。
Claims (6)
1. a steam coal powder and natural gas combustion combustor, it is characterized in that: include natural gas air intake structure, it is wrapped in the coal dust primary air piping (4) outside natural gas air intake structure, and it is arranged on coal dust primary air piping (4) air inlet structure outward, device is regulated entering texture of coal is provided with coal dust, being additionally provided with burning torch (11) on coal dust primary air piping (4), the end at air inlet structure is additionally provided with a flame holder (9)。
2. a kind of steam coal powder according to claim 1 and natural gas combustion combustor, it is characterized in that: described natural gas air intake structure is mainly made up of center Gas Pipe (1) and main combustible pipe (2) that is coaxial with this center Gas Pipe (1) and that be wrapped in outside it, end at main combustible pipe (2) is provided with cyclone (10), the end of center Gas Pipe (1) runs through this cyclone (10), and the end in this center Gas Pipe (1) is additionally provided with an orifice plate (8)。
3. a kind of steam coal powder according to claim 2 and natural gas combustion combustor, it is characterised in that: described coal dust primary air piping (4) is main by being used for introducing coal dust and the coal feeding pipe of air mixture and coaxial with main combustible pipe (2) and be wrapped in the coal output pipe outside it and form；Described flame holder (9) is arranged on the end of this coal output pipe, and cyclone (10) and orifice plate (8) are respectively positioned on the inside of coal output pipe。
4. a kind of steam coal powder according to claim 3 and natural gas combustion combustor, it is characterized in that: described air inlet structure includes the secondary air channel (5) being wrapped in outside coal output pipe, and is wrapped in secondary air channel (5) outside and the secondary wind swirl-flow devices (6) making secondary air channel (5) and coal output pipe through。
5. a kind of steam coal powder according to claim 4 and natural gas combustion combustor, it is characterized in that: described coal dust regulates device mainly by the reducing (7) being arranged on outside main combustible pipe (2) end, and be connected with this reducing (7) and coal dust adjusting rod (3) composition of its folding size can be controlled。
6. a kind of steam coal powder according to claim 5 and natural gas combustion combustor, it is characterised in that: the end of described burning torch (11) is arranged on outside the end of coal output pipe, and this burning torch (11) communicates with coal output pipe。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083741.5U CN205332221U (en) | 2016-01-27 | 2016-01-27 | Steam coal powder and natural gas multifuel combustion combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083741.5U CN205332221U (en) | 2016-01-27 | 2016-01-27 | Steam coal powder and natural gas multifuel combustion combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205332221U true CN205332221U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083741.5U Expired - Fee Related CN205332221U (en) | 2016-01-27 | 2016-01-27 | Steam coal powder and natural gas multifuel combustion combustor |
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| CN (1) | CN205332221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902177A (en) * | 2021-02-07 | 2021-06-04 | 哈尔滨工业大学 | Device for increasing solid waste burnout by adopting chemical crude synthesis gas |
-
2016
- 2016-01-27 CN CN201620083741.5U patent/CN205332221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902177A (en) * | 2021-02-07 | 2021-06-04 | 哈尔滨工业大学 | Device for increasing solid waste burnout by adopting chemical crude synthesis gas |
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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 |
Granted publication date: 20160622 Termination date: 20220127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |