CN205973068U - Buggy feedway - Google Patents
Buggy feedway Download PDFInfo
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- CN205973068U CN205973068U CN201620964208.XU CN201620964208U CN205973068U CN 205973068 U CN205973068 U CN 205973068U CN 201620964208 U CN201620964208 U CN 201620964208U CN 205973068 U CN205973068 U CN 205973068U
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- pipeline section
- coal dust
- feeding device
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- speed governing
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Abstract
The utility model relates to a buggy feedway, it includes feed bin (6) that top -down arranged in proper order, rotor formula speed governing dispenser (1) and rotation tuber pipe (5), rotor formula speed governing dispenser (1) top and feed bin (6) are connected through import takeover (11) between the bottom, be connected through export takeover (12) bottom the rotor formula speed governing dispenser (1) with between the rotation tuber pipe (5), rotation tuber pipe (5) including a horizontal pipe section (5.1), the 2nd horizontal pipe section (5.2) and connection elbow section (5.3), the connection of a horizontal pipe section (5.1) one end is provided with roots's fan (4), inside be provided with venturi device (3) of the other end, export takeover (12) lower extreme passes through blanking pipe (2) and is connected with venturi device (3). The utility model relates to a buggy feedway, it can guarantee that the buggy neither takes place to block up, again can be in succession, stabilize the feed, adjust according to boiler load trend and measure for the powder.
Description
Technical field
This utility model is related to a kind of coal dust feeding device, is particularly well-suited to efficient pulverized coal industrial.
Background technology
German Industrial pulverized-coal fired boiler, with its safety, the feature of environmental protection（Exhaust emissions and generating plant pulverized coal boiler, gas fired-boiler phase
When）, advanced（Automatic measuring and controlling, teletransmission manipulation, unmanned）, economy（Efficiency of combustion more than 98%, boiler thermal output up to
More than 92%）, can be the succedaneum of oil and gas as clean energy resource.The small and medium-sized industrial coal powder boilers of China use for reference Germany
The technology of industrial coal powder boiler and theory, last 10 years, key core technology as coal dust tower, feed, have in combustion system
Broken through.
Chinese patent literature CN201458346U discloses a kind of pulse-free coal powder supply device, can effectively solving coal dust exist
The phenomenon compensating is piled up, blocks and conveyed to coal chute in road.But also bring another question, due to helical blade
Cannot avoid there is gap and duff pipe between, because spiral transferring tube cell bottom is provided with coal dust mixing injector, in pulverized coal flow
Thread a pipe interior formation negative pressure it is difficult to control charging rate, excessive coal dust is poured into burner hearth and formed detonation.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of coal dust feeding device for above-mentioned prior art, it
Can ensure that coal dust neither blocks, again can continuously, stable material-supplying, according to boiler load trend adjust powder-feeding amount.
The technical scheme in the invention for solving the above technical problem is：A kind of coal dust feeding device, it includes from upper
And under feed bin, rotator type speed governing dispenser and the swinging airduct, described rotator type speed governing dispenser top and the material that are sequentially arranged
Orlop is connected by entrance sleeve between portion, passes through outlet between described rotator type speed governing dispenser bottom and swinging airduct
Adapter is connected, and described swinging airduct includes first level pipeline section, the second horizontal pipeline section and connecting bending pipeline section, described first water
Flat tube section and the second horizontal pipeline section are arranged in parallel up and down, and described connecting bending pipeline section is connected to first level pipeline section right-hand member and the second water
Between flat tube section right-hand member, described first level pipeline section left end is provided with roots blower, is provided with literary composition in described first level pipeline section
Device in mound, described discharge connection lower end is connected with Venturi by material blanking tube.
Described coal dust feeding device also includes spiral conveying pipeline, described spiral conveying pipeline near the upside of one end be provided with into
Material mouth, is provided with discharging opening near the downside of the other end, described bin bottom is connected with charging aperture, described discharging opening and import
Adapter is connected.
Described rotator type speed governing dispenser includes circular rotatable part, and described circular rotatable part centre is provided with centre
Axle, described circular rotatable part is disposed with multiple annular storage cavitys, described entrance sleeve and discharge connection from inside to outside
All it is connected with multiple annular storage cavitys, each annular storing intracavity is all separated into multiple storing lattices by multiple dividing plates.
Described material blanking tube top half is vertical section, and the latter half is tilting section, the tilting section of described material blanking tube and level
The angle of line is 40 ° ~ 80 °.
It is provided with blowing pipe, the position of described blowing pipe is corresponding with the position of charging aperture on the downside of described spiral conveying pipeline.
It is provided with respiratory organ, the position of described respiratory organ is corresponding with the position of discharging opening on the upside of described spiral conveying pipeline.
Compared with prior art, the utility model has the advantage of：
1st, coal dust blanking is smooth, stable, no block, and no piles up；
2nd, coal dust feed is stable, controlled, will not cause because pouring into burner for a large amount of coal dust of local decompression in powder pipeline
Detonation；
3rd, powder-feeding amount can be adjusted according to boiler load, and can shift to an earlier date and changed to powder trend according to load variations trend.
Brief description
Fig. 1 is a kind of structural representation of this utility model coal dust feeding device.
Fig. 2 is the structural representation of rotator type speed governing dispenser in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Wherein：
Rotator type speed governing dispenser 1
Material blanking tube 2
Venturi 3
Roots blower 4
Swinging airduct 5
First level pipeline section 5.1
Second horizontal pipeline section 5.2
Connecting bending pipeline section 5.3
Feed bin 6
Spiral conveying pipeline 7
Blowing pipe 8
Respiratory organ 9
Dividing plate 10
Entrance sleeve 11
Discharge connection 12
Central shaft 13
Storing lattice 14
Circular rotatable part 15
Annular storage cavity 16.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 3, one of the present embodiment coal dust feeding device, it includes the material being sequentially arranged from top to bottom
Storehouse 6, rotator type speed governing dispenser 1 and swinging airduct 5 are logical between described rotator type speed governing dispenser 1 top and feed bin 6 bottom
Cross entrance sleeve 11 to be connected, between described rotator type speed governing dispenser 1 bottom and swinging airduct 5, pass through discharge connection 12 phase
Connect, described swinging airduct 5 includes first level pipeline section 5.1, the second horizontal pipeline section 5.2 and connecting bending pipeline section 5.3, described the
One horizontal pipeline section 5.1 and the second horizontal pipeline section are arranged in parallel about 5.2, and described connecting bending pipeline section 5.3 is connected to first level pipe
Between section 5.1 right-hand members and the second horizontal pipeline section 5.2 right-hand member, described first level pipeline section 5.1 left end is provided with roots blower 4, institute
State and in first level pipeline section 5.1, be provided with Venturi 3, material blanking tube 2 and venturi dress are passed through in described discharge connection 12 lower end
Put 3 to be connected, roots blower wind out forms high-speed jet through Venturi, formed after carrying the coal dust of material blanking tube whereabouts
Wind powder mixture, enters swinging airduct, passes through in the wind powder air-flow after 180 ° turn to reduction of speed, all flow in swinging airduct
Conveyance conduit enters boiler-burner；
Described rotator type speed governing dispenser 1 includes circular rotatable part 15, and described circular rotatable part 15 is provided centrally with
Jackshaft 13, described circular rotatable part 15 is disposed with multiple annular storage cavitys 16, described entrance sleeve from inside to outside
11 are all connected with multiple annular storage cavitys 16 with discharge connection 12, all by 10 points of multiple dividing plate in each annular storage cavity 16
It is divided into multiple storing lattices 14, coal dust is entered the storing lattice of the multiple annular storage cavitys on circular rotatable part by entrance sleeve
Interior, coal dust is sent to the discharge connection of another location by circular rotatable part, and coal dust is fallen due to deadweight, enters material blanking tube；
Described material blanking tube 2 top half is vertical section, and the latter half is tilting section, the tilting section of described material blanking tube 2 and water
The angle of horizontal line is 40 ° ~ 80 °, and this angle is more than the angle of repose of coal dust；
The coal dust of material blanking tube 2 lower port is fallen due to deadweight, and the Venturi 3 of its underpart produces ejector action simultaneously,
Producing negative pressure in ash dropping hopper accelerates coal dust to flow downward, and the wind that coal dust is conveyed with roots blower forms wind powder mixture warp after mixing
Boiler is entered after all stream of swinging airduct 5, deceleration after crossing Venturi 3；Swinging airduct 5 is 180 ° of bend pipes, it
The wind powder mixture after Venturi 3 can be buffered, prevent wind powder mixture from entering boiler with too high speed；
Described coal dust feeding device also includes spiral conveying pipeline 7, and described spiral conveying pipeline 7 is provided near the upside of one end
Charging aperture, is provided with discharging opening near the downside of the other end, described feed bin 6 bottom is connected with charging aperture, described discharging opening and
Entrance sleeve 11 is connected；
It is provided with blowing pipe 8, the position of described blowing pipe 8 is relative with the position of charging aperture on the downside of described spiral conveying pipeline 7
Should, ensure that discharging is not lumpd, do not block；
It is provided with respiratory organ 9, the position of described respiratory organ 9 is relative with the position of discharging opening on the upside of described spiral conveying pipeline 7
Should, the pressure in spiral conveying pipeline can be made to keep basically identical with external atmosphere pressure, thus realizing stable material-supplying；
Central shaft 13 receiving electrode of rotator type speed governing dispenser 1, chain boiler combustion signal, control circular rotatable part 15
Rotational angular velocity adjusting powder-feeding amount；The fltting speed of spiral conveying pipeline 7 and the central axis of rotator type speed governing dispenser 1
Angular velocity intercouples, and reaches the rotating speed that both are adapted.
The Load Regulation of pulverized-coal fired boiler has the characteristics that hysteresis quality because of coal dust conveying and burning factor, if can be according to load
Variation tendency adjust the quantity delivered of coal dust in advance, you can realize the quick response of boiler load.Preferably, described rotator type is adjusted
Fast dispenser 1 can be according to boiler load variation tendency, and PLC or host computer calculate suitable numerical value, changes circular turning in advance
The angular velocity of dynamic component 15 and the matching fltting speed of spiral conveying pipeline 7 or feed bin 6 powder falling amount, thus reach adjust in advance
The purpose of coal saving powder quantity delivered, makes burning quick response load variations.
In addition to the implementation, this utility model also includes other embodiment, all employing equivalents or equivalent
The technical scheme that substitute mode is formed, all should fall within this utility model scope of the claims.
Claims (6)
1. a kind of coal dust feeding device it is characterised in that：It includes the feed bin being sequentially arranged from top to bottom（6）, rotator type speed governing
Dispenser（1）With swinging airduct（5）, described rotator type speed governing dispenser（1）Top and feed bin（6）Pass through import between bottom
Adapter（11）It is connected, described rotator type speed governing dispenser（1）Bottom and swinging airduct（5）Between pass through discharge connection（12）
It is connected, described swinging airduct（5）Including first level pipeline section（5.1）, the second horizontal pipeline section（5.2）With connecting bending pipeline section
（5.3）, described first level pipeline section（5.1）With the second horizontal pipeline section（5.2）It is arranged in parallel up and down, described connecting bending pipeline section
（5.3）It is connected to first level pipeline section（5.1）Right-hand member and the second horizontal pipeline section（5.2）Between right-hand member, described first level pipeline section
（5.1）Left end is provided with roots blower（4）, described first level pipeline section（5.1）Inside it is provided with Venturi（3）, described go out
Mouth adapter（12）Material blanking tube is passed through in lower end（2）With Venturi（3）It is connected.
2. a kind of coal dust feeding device according to claim 1 it is characterised in that：Described coal dust feeding device also includes spiral shell
Rotation conveying pipeline（7）, described spiral conveying pipeline（7）Upside near one end is provided with charging aperture, near the setting of the downside of the other end
There is discharging opening, described feed bin（6）Bottom is connected with charging aperture, described discharging opening and entrance sleeve（11）It is connected.
3. a kind of coal dust feeding device according to claim 1 and 2 it is characterised in that：Described rotator type speed governing dispenser
（1）Including circular rotatable part（15）, described circular rotatable part（15）It is provided centrally with jackshaft（13）, described circular rotatable
Part（15）On be disposed with from inside to outside multiple annular storage cavitys（16）, described entrance sleeve（11）And discharge connection（12）
All with multiple annular storage cavitys（16）It is connected, each annular storage cavity（16）Inside all by multiple dividing plates（10）It is separated into multiple
Storing lattice（14）.
4. a kind of coal dust feeding device according to claim 1 and 2 it is characterised in that：Described material blanking tube（2）Top half
For vertical section, the latter half is tilting section, described material blanking tube（2）Tilting section and horizontal angle be 40 ° ~ 80 °.
5. a kind of coal dust feeding device according to claim 2 it is characterised in that：Described spiral conveying pipeline（7）Downside sets
It is equipped with blowing pipe（8）, described blowing pipe（8）Position corresponding with the position of charging aperture.
6. a kind of coal dust feeding device according to claim 2 it is characterised in that：Described spiral conveying pipeline（7）Upside sets
It is equipped with respiratory organ（9）, described respiratory organ（9）Position corresponding with the position of discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964208.XU CN205973068U (en) | 2016-08-29 | 2016-08-29 | Buggy feedway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964208.XU CN205973068U (en) | 2016-08-29 | 2016-08-29 | Buggy feedway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205973068U true CN205973068U (en) | 2017-02-22 |
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ID=58038478
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620964208.XU Active CN205973068U (en) | 2016-08-29 | 2016-08-29 | Buggy feedway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185368A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding device |
-
2016
- 2016-08-29 CN CN201620964208.XU patent/CN205973068U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185368A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding device |
| CN106185368B (en) * | 2016-08-29 | 2018-12-25 | 江苏双良锅炉有限公司 | A kind of coal dust feeding device |
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