CN205783077U - Pulverized-coal fired boiler micro oil ignition system - Google Patents
Pulverized-coal fired boiler micro oil ignition system Download PDFInfo
- Publication number
- CN205783077U CN205783077U CN201620514320.3U CN201620514320U CN205783077U CN 205783077 U CN205783077 U CN 205783077U CN 201620514320 U CN201620514320 U CN 201620514320U CN 205783077 U CN205783077 U CN 205783077U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- pulverized
- oil
- fired boiler
- secondary combustion
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of 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 enters 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).A kind of pulverized-coal fired boiler micro oil ignition system that this utility model provides, overheavy firing in narrow and small combustor, volume is little, and power is big, can realize the burning of Coal rank, oil-saving discharging-reducing.
Description
Technical field
This utility model relates to a kind of 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.Therefore, this utility model provides one to be applicable to Coal rank burning, it is achieved fuel oil and the overheavy firing of coal dust, completes the normal of boiler when pettiness fuel consumption and starts and low load combustion, and rate of economizing gasoline reaches the pulverized-coal fired boiler micro oil ignition system of more than 90%.
Utility model content
This utility model solves the technical problem that and is to provide a kind of overheavy firing in narrow and small combustor, and volume is little, and power is big, can realize the burning of Coal rank, the pulverized-coal fired boiler micro oil ignition system of oil-saving discharging-reducing；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 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:
nullPulverized-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，It is provided with rotary blade in described secondary air channel，The outlet of described three grades of combustor is connected with pulverized-coal fired boiler.
Oil combustion chamber is connected with oil air distribution passage.
The equal opening in two ends of described first-stage firing chamber.
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.
Described secondary combustion chamber and three grades of combustor are cylindrical shape.
The 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, 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；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，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，It is provided with rotary blade 10 in described secondary air channel 8，The outlet of described three grades of combustor 7 is connected with pulverized-coal fired boiler.
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.
Described secondary combustion chamber 3 and three grades of combustor 7 are cylindrical shape.
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 (7)
- null1. 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)，Rotary blade (10) it is provided with in described secondary air channel (8)，The outlet of described three grades of combustor (7) is connected with pulverized-coal fired boiler.
- 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).
- 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).
- Pulverized-coal fired boiler micro oil ignition system the most according to claim 3, 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.
- Pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: described oil combustion chamber (1) is connected with micro-oil gun.
- Pulverized-coal fired boiler micro oil ignition system the most according to claim 5, it is characterised in that: 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.
- Pulverized-coal fired boiler micro oil ignition system the most according to claim 1, it is characterised in that: described secondary combustion chamber (3) and three grades of combustor (7) are cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514320.3U CN205783077U (en) | 2016-05-31 | 2016-05-31 | Pulverized-coal fired boiler micro oil ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514320.3U CN205783077U (en) | 2016-05-31 | 2016-05-31 | Pulverized-coal fired boiler micro oil ignition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783077U true CN205783077U (en) | 2016-12-07 |
Family
ID=58138009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620514320.3U Expired - Fee Related CN205783077U (en) | 2016-05-31 | 2016-05-31 | Pulverized-coal fired boiler micro oil ignition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205783077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240570A (en) * | 2020-10-20 | 2021-01-19 | 西安航天动力研究所 | Swirl torch igniter based on 3D printing forming |
-
2016
- 2016-05-31 CN CN201620514320.3U patent/CN205783077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240570A (en) * | 2020-10-20 | 2021-01-19 | 西安航天动力研究所 | Swirl torch igniter based on 3D printing forming |
| CN112240570B (en) * | 2020-10-20 | 2021-12-03 | 西安航天动力研究所 | Swirl torch igniter based on 3D printing forming |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203099814U (en) | Pulverized coal burner | |
| CN103759258B (en) | A kind of joint low nitrogen vortex burner of oil/gas ignition smooth combustion | |
| CN204678328U (en) | combustion powder industrial boiler | |
| CN105042557B (en) | Multi-return-stroke gas-steam boiler | |
| CN104180368A (en) | Medium-and-low temperature hot fume powder feeding type coal powder combustion device and combustion process thereof | |
| CN103629663B (en) | Vortex burner | |
| CN205690401U (en) | The strong mixing multi fuel mixing burner of direct current | |
| CN205014343U (en) | W flame boiler | |
| CN103836620B (en) | Oxygen-enriched micro-oil staged combustion device | |
| CN201462825U (en) | pulverized coal burner | |
| CN205783077U (en) | Pulverized-coal fired boiler micro oil ignition system | |
| CN205842639U (en) | A kind of band swirl vane strengthens the plasma burner caught fire | |
| CN204880674U (en) | Living beings whirlwind gasification boiler | |
| CN205655327U (en) | Air -out direction adjustable pulverized coal boiler tiny -oil ignition system | |
| CN209116549U (en) | Suitable for multimedium burning heat-conducting oil furnace | |
| CN201803364U (en) | Compact type oxygen-enriched combustor | |
| CN208457952U (en) | A kind of annular return type turbulent burner of avoidable scaling loss | |
| CN202938289U (en) | Fuel-saving ignition device of circulating fluidized bed boiler | |
| CN106642082B (en) | A kind of small cyclones melting coal-powder boiler | |
| CN210601599U (en) | Adjustable staged ignition burner suitable for solid fuel | |
| CN202792005U (en) | Pulverized coal boiler weak breath ignition device | |
| CN104949117B (en) | High-efficient energy-saving environment friendly alcohol-based fuel burner | |
| CN202074509U (en) | Gas-solid two-phase series-parallel ignition stabilizing burner for coal difficult to burn | |
| CN203784939U (en) | Oxygen-enriched micro oil staged combustion device | |
| CN202618250U (en) | Double-pressure air inducing heating device |
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: 20161207 Termination date: 20170531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |