CN205655327U - Air -out direction adjustable pulverized coal boiler tiny -oil ignition system - Google Patents
Air -out direction adjustable pulverized coal boiler tiny -oil ignition system Download PDFInfo
- Publication number
- CN205655327U CN205655327U CN201620511190.8U CN201620511190U CN205655327U CN 205655327 U CN205655327 U CN 205655327U CN 201620511190 U CN201620511190 U CN 201620511190U CN 205655327 U CN205655327 U CN 205655327U
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- air
- combustion chamber
- out direction
- ignition system
- pulverized
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Abstract
The utility model discloses an air -out direction adjustable pulverized coal boiler tiny -oil ignition system, including primary burner (2) that the lateral wall links to each other with oily combustion chamber (1), primary burner (2) are the little dumbbell shape in the big centre in both ends, the export of oil combustion chamber (1) is just right the middle part of primary burner (2), primary burner (2) are located secondary combustion chamber (3), the entry of secondary combustion chamber (3) links to each other with the export of pulverized coal concentrator (4), the entry of pulverized coal concentrator (4) links to each other with wind passageway (5), and one time wind passageway (6) get into in primary burner (2). The utility model provides a pair of air -out direction adjustable pulverized coal boiler tiny -oil ignition system, overheavy firing in narrow and small combustion chamber, small, power is big, can realize the burning of different coals, economizes on fuel to reduce discharging and many coals burning whirlpool is wide controllable, and the heat exchange is abundant, guarantees that many coals fully burn.
Description
Technical field
This utility model relates to a kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system, belongs to coal-fired power generator set field.
Background technology
At present, coal burning boiler of power station debugging with starting ignition mode is: first carry out heating up, boosting with oil drop fire mounted point oil burner, when each relevant parameter of boiler reaches to throw powder requirement, starts pulverized coal preparation system and coal burner, realize load carrying, need to consume substantial amounts of fuel oil during this.And, existing this sparking mode is only applicable to use the boiler of high-quality bituminous coal, and mode that soft coal, meager coal and brown coal directly initiate igniting is the most immature, its main cause is the requirement that the ignition energy of existing oil igniter can not meet Coal rank ignition heat.It addition, the existing oil general air-out direction of igniter is difficult to adjust, it is difficult to adjust wind powder swirl combustion track in pulverized-coal fired boiler according to Coal rank.Therefore, this utility model provides one to be applicable to Coal rank burning, realize the overheavy firing of fuel oil and coal dust, complete the normal of boiler to start and low load combustion when pettiness fuel consumption, rate of economizing gasoline reaches more than 90%, and many coals burning whirlpool width is controlled, and heat exchange is abundant, it is ensured that the clean-burning air-out direction of many coals adjustable pulverized-coal fired boiler micro oil ignition system.
Utility model content
This utility model solves the technical problem that and is, a kind of overheavy firing in narrow and small combustor is provided, volume is little, power is big, the burning of Coal rank can be realized, oil-saving discharging-reducing and many coals burning whirlpool width are controlled, and heat exchange is abundant, it is ensured that the clean-burning air-out direction of many coals adjustable pulverized-coal fired boiler micro oil ignition system；Further, this utility model provides a kind of secondary firing indoor to be easily formed eddy current, and burn sufficient air-out direction adjustable pulverized-coal fired boiler micro oil ignition system；Further, the mechanical energy that this utility model provides a kind of rotary blade utilized in secondary air channel to produce is charged to micro-oil gun automatically, saves the air-out direction adjustable pulverized-coal fired boiler micro oil ignition system of the energy.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
nullA kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system，The first-stage firing chamber being connected with oil combustion chamber including sidewall，Described first-stage firing chamber is the dumbbell shape of big at both ends and small in middle，The outlet of described oil combustion chamber just middle part to described first-stage firing chamber，It is indoor that described first-stage firing chamber is positioned at secondary firing，The entrance of described secondary combustion chamber is connected with the outlet of pulverized coal concentrator，The entrance of described pulverized coal concentrator is connected with wind passage，First air passage sequentially passes through described wind passage、Described single-stage combustion is entered indoor after the entrance of pulverized coal concentrator and described secondary combustion chamber，The outlet of described secondary combustion chamber enters three grades of combustion chamber，It is communicated with secondary air channel on the sidewall of described secondary combustion chamber，It is communicated with tertiary air passage on the sidewall of described three grades of combustor，The outlet diameter of described three grades of combustor is less than its inlet diameter，The exit of described three grades of combustor is movably set with some air regulating boards；The outlet of described three grades of combustor is connected with pulverized-coal fired boiler.
It is provided with rotary blade in described secondary air channel.
Whole described air regulating boards be arranged in parallel mutually.
Described activity is set to the outlet all with described three grades of combustor of the two ends of described air regulating board and is connected by pin；Described air regulating board is connected with PLD.
The entrance of described first-stage firing chamber is apart from the entrance at least 0.5m of described secondary combustion chamber, and the inlet diameter of described first-stage firing chamber is less than the inlet diameter of described secondary combustion chamber.
Some oxygen input ports it are provided with on the sidewall of described secondary combustion chamber and three grades of combustor.
Described oxygen input port is connected with industrial oxygen source, is provided with valve at described oxygen input port.
Described oil combustion chamber is connected with micro-oil gun.
Described rotary blade is connected with wind-driven generator, and described wind-driven generator is connected with accumulator, and described accumulator is connected with described micro-oil gun.
Oil combustion chamber is connected with oil air distribution passage.
The equal opening in two ends of described first-stage firing chamber.
A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system that this utility model provides, the first-stage firing chamber of dumbbell shape, and the outlet of oil combustion chamber just setting to the middle part of first-stage firing chamber, the middle part making first-stage firing chamber becomes the central point of micro-oil firing, central point shape is long and narrow, narrow space, it is achieved that the overheavy firing of Coal rank, energy density is big, it is possible to produce the high temperature oil flame higher than 1800 DEG C；The setting that oil air distribution passage is connected with oil combustion chamber, makes oil combustion chamber under the protection of oil air distribution, it is ensured that noncoking, not burning；Wind passage is connected with secondary combustion chamber by pulverized coal concentrator, opens wind passage, makes coal dust enter secondary combustion chamber and form wind powder air-flow；The setting that First air passage is connected with first-stage firing chamber, open First air passage, First air mixes with the high temperature oil flame higher than 1800 DEG C and makes to have been enter into the wind powder gas flow temperature of secondary combustion chamber and rises to the ignition temperature of Coal rank, realize igniting and the burning of Coal rank, once complete the ignition trigger of boiler, rise gentle boost process；Secondary air channel and the setting of tertiary air passage, it is simple to further the many coals in secondary combustion chamber and three grades of combustor are burnt fully；The setting of oxygen input port, it is simple to the many coals in secondary combustion chamber and three grades of combustor are burnt fully；The setting of rotary blade, it is simple to the air-flow in secondary air channel being formed eddy current, then carries out strong contact heat transfer process with periphery breeze airflow, strengthening is caught fire；Can also extend the coal dust time of staying in secondary firing indoor, promote to catch fire process；Tertiary air passage is for being not provided with rotary blade, but by the air-out direction of tertiary air passage towards pulverized-coal fired boiler, and the outlet diameter of three grades of combustor is less than the setting of its inlet diameter, it is easy to concentrate and the combusting coal fines in three grades of combustor is blown into pulverized-coal fired boiler at a high speed, the combusting coal fines realized in three grades of combustor mixes with the strong of the coal dust in pulverized-coal fired boiler and rub, the flame mechanism of strengthening pulverized-coal fired boiler；The setting of air regulating board, it is easy to regulate the air-out direction of three grades of combustor, air-out direction according to Coal rank regulation air regulating board, the wind powder making three grades of combustor forms the air-flow that different whirlpool is wide after spraying into pulverized-coal fired boiler, make Coal rank can extend stop suitable time in pulverized-coal fired boiler, it is easy to its sufficient heat exchange and heats rapidly, it is ensured that many coals are fully burnt；Wind-driven generator and the setting of accumulator, the mechanical energy that the rotary blade in utilizing secondary air channel produces is charged automatically to micro-oil gun, is saved the energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
nullAs shown in Figure 1，A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system，The first-stage firing chamber 2 being connected with oil combustion chamber 1 including sidewall，Described first-stage firing chamber 2 is the dumbbell shape of big at both ends and small in middle，The outlet of described oil combustion chamber 1 just middle part to described first-stage firing chamber 2，Described first-stage firing chamber 2 is positioned at secondary combustion chamber 3，The entrance of described secondary combustion chamber 3 is connected with the outlet of pulverized coal concentrator 4，The entrance of described pulverized coal concentrator 4 is connected with wind passage 5，First air passage 6 sequentially passes through described wind passage 5、Enter after the entrance of pulverized coal concentrator 4 and described secondary combustion chamber 3 in described first-stage firing chamber 2，It is internal that the outlet of described secondary combustion chamber 3 enters three grades of combustor 7，It is communicated with secondary air channel 8 on the sidewall of described secondary combustion chamber 3，It is communicated with tertiary air passage 9 on the sidewall of described three grades of combustor 7，The outlet diameter of described three grades of combustor 7 is less than its inlet diameter，The exit of described three grades of combustor 7 is movably set with some air regulating boards 12；The outlet of described three grades of combustor 7 is connected with pulverized-coal fired boiler.
It is provided with rotary blade 10 in described secondary air channel 8.
Whole described air regulating boards 12 be arranged in parallel mutually.
Described activity is set to the outlet all with described three grades of combustor 7 of the two ends of described air regulating board 12 and is connected by pin；Described air regulating board 12 is connected with PLD.
The entrance of described first-stage firing chamber 2 is apart from the entrance at least 0.5m of described secondary combustion chamber 3, and the inlet diameter of described first-stage firing chamber 2 is less than the inlet diameter of described secondary combustion chamber 3.
Some oxygen input ports 11 it are provided with on the sidewall of described secondary combustion chamber 3 and three grades of combustor 7.
Described oxygen input port 11 is connected with industrial oxygen source, is provided with valve at described oxygen input port 11.
Described oil combustion chamber 1 is connected with micro-oil gun.
Described rotary blade 10 is connected with wind-driven generator, and described wind-driven generator is connected with accumulator, and described accumulator is connected with described micro-oil gun.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
- null1. an air-out direction adjustable pulverized-coal fired boiler micro oil ignition system，It is characterized in that: include the first-stage firing chamber (2) that sidewall is connected with oil combustion chamber (1)，Described first-stage firing chamber (2) is the dumbbell shape of big at both ends and small in middle，The outlet of described oil combustion chamber (1) just middle part to described first-stage firing chamber (2)，Described first-stage firing chamber (2) is positioned at secondary combustion chamber (3)，The entrance of described secondary combustion chamber (3) is connected with the outlet of pulverized coal concentrator (4)，The entrance of described pulverized coal concentrator (4) is connected with wind passage (5)，First air passage (6) sequentially passes through described wind passage (5)、Enter after the entrance of pulverized coal concentrator (4) and described secondary combustion chamber (3) in described first-stage firing chamber (2)，It is internal that the outlet of described secondary combustion chamber (3) enters three grades of combustor (7)，Secondary air channel (8) it is communicated with on the sidewall of described secondary combustion chamber (3)，It is communicated with tertiary air passage (9) on the sidewall of described three grades of combustor (7)，The outlet diameter of described three grades of combustor (7) is less than its inlet diameter，The exit of described three grades of combustor (7) is movably set with some air regulating boards (12)；The outlet of described three grades of combustor (7) is connected with pulverized-coal fired boiler.
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: it is provided with rotary blade (10) in described secondary air channel (8).
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: whole described air regulating boards (12) be arranged in parallel mutually.
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: described activity is set to the outlet all with described three grades of combustor (7) of the two ends of described air regulating board (12) and is connected by pin；Described air regulating board (12) is connected with PLD.
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterized in that: the entrance of described first-stage firing chamber (2) is apart from the entrance at least 0.5m of described secondary combustion chamber (3), and the inlet diameter of described first-stage firing chamber (2) is less than the inlet diameter of described secondary combustion chamber (3).
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: it is provided with some oxygen input ports (11) on the sidewall of described secondary combustion chamber (3) and three grades of combustor (7).
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 6, it is characterised in that: described oxygen input port (11) is connected with industrial oxygen source, and described oxygen input port (11) place is provided with valve.
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 2, it is characterised in that: described oil combustion chamber (1) is connected with micro-oil gun.
- A kind of air-out direction adjustable pulverized-coal fired boiler micro oil ignition system the most according to claim 8, it is characterized in that: described rotary blade (10) is connected with wind-driven generator, described wind-driven generator is connected with accumulator, and described accumulator is connected with described micro-oil gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620511190.8U CN205655327U (en) | 2016-05-31 | 2016-05-31 | Air -out direction adjustable pulverized coal boiler tiny -oil ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620511190.8U CN205655327U (en) | 2016-05-31 | 2016-05-31 | Air -out direction adjustable pulverized coal boiler tiny -oil ignition system |
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| CN205655327U true CN205655327U (en) | 2016-10-19 |
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| CN201620511190.8U Expired - Fee Related CN205655327U (en) | 2016-05-31 | 2016-05-31 | Air -out direction adjustable pulverized coal boiler tiny -oil ignition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351035A (en) * | 2020-03-14 | 2020-06-30 | 王永 | Plasma general coal cracking combustion method and device |
-
2016
- 2016-05-31 CN CN201620511190.8U patent/CN205655327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351035A (en) * | 2020-03-14 | 2020-06-30 | 王永 | Plasma general coal cracking combustion method and device |
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| Date | Code | Title | Description |
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| 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: 20161019 Termination date: 20170531 |