CN212618410U - Buggy storehouse convenient to mix even powder position - Google Patents
Buggy storehouse convenient to mix even powder position Download PDFInfo
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- CN212618410U CN212618410U CN202020708422.5U CN202020708422U CN212618410U CN 212618410 U CN212618410 U CN 212618410U CN 202020708422 U CN202020708422 U CN 202020708422U CN 212618410 U CN212618410 U CN 212618410U
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- powder
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- scraper
- leveling
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Abstract
The utility model relates to the technical field of thermal power powder preparation systems, in particular to a pulverized coal bunker convenient for uniformly mixing powder levels, which is provided with a powder level mixing device in the powder bunker, wherein the powder level mixing device comprises a scraper and a driving device for driving the scraper to act, and the scraper scrapes the powder in the powder bunker from a high powder level to a low powder level, thereby avoiding the powder sink, the over-low or over-high local powder level in the powder bunker; the utility model provides an among the prior art, through the operation mode who constantly switches the coal pulverizer adjustment buggy storehouse powder position, reduced operating personnel's operational load, reduced the equipment loss, reduced the powder process unit consumption.
Description
Technical Field
The utility model relates to a thermal power powder process technical field especially relates to a buggy storehouse convenient to mix even powder position.
Background
The intermediate storage type coal pulverizing system is one of the most critical devices in a thermal power generation system, and the principle of the intermediate storage type coal pulverizing system is that coal powder ground by a coal mill is firstly stored in a coal powder bin, and the coal powder used for boiler combustion is taken from the coal powder bin through a powder feeder.
In the prior art, a plurality of conical powder feeding hoppers of a powder feeding machine are arranged at the bottom of a coal powder bin, the powder feeding machine is supplied through the powder feeding hoppers and then is conveyed to a combustion furnace through a powder pipe of the powder feeding machine, the powder level of the powder bin directly influences the powder feeding of the coal powder, so that the combustion condition of the combustion furnace is directly influenced, the coal powder of the coal powder bin is conveyed to the coal powder bin through a conveying device, the powder level of the coal powder bin is very uneven, the powder level on one side is easy to collapse, the powder feeding is unstable, the combustion working condition is fluctuated, and the coal powder bin with the height of 4 meters and the height of 360 cubic meters is; when the powder level of the bin is more than 3 meters, the flowability of the pulverized coal is poor, the powder discharging condition of the pulverized coal is poor, when the powder level of the powder bin is 1.5-3 meters, the powder discharging condition of the pulverized coal accords with the normal combustion furnace condition, when the powder level of the pulverized coal bin is less than 1 meter, the flowability of the pulverized coal is very strong, the powder discharging condition is too good, a burner nozzle is easily coked, and a burner is easily damaged.
For solving above-mentioned problem, adopt a buggy storehouse to be provided with two or more than two coal mills usually, in the combustion process, constantly replace and open and stop the coal mill, reduce the uneven situation of powder level that the unilateral coal mill powder process caused, however, frequent start stop the coal mill and also can cause the interference to the burning operating mode, increased staff's operating load, the breakage rate of equipment is great, simultaneously, has increased the unit consumption of powder process.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide a buggy storehouse convenient to mix even powder position, its simple structure scientific and reasonable, the powder position in the buggy storehouse of being convenient for mix even, the burning operating mode that has avoided the height, has subsided the powder position and has caused is undulant, easy operation has reduced staff's operational load, has reduced the powder process unit consumption.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a buggy storehouse convenient to mix even powder position, includes the storehouse body, the sealed roof that is provided with in powder storehouse upper portion, the roof is provided with the feed inlet, storehouse body bottom is provided with a plurality of unloading holes, every the unloading hole all communicates with the blanking hopper, storehouse internal portion is provided with powder position mixing device, powder position mixing device includes scraper blade and drive the drive arrangement of scraper blade motion.
Preferably, a vertically downward rotating rod is arranged at the center of the top plate, the lower part of the rotating rod is fixedly connected with the scraper, and the driving device drives the rotating rod to drive the scraper to rotate.
Preferably, the height of the rotating rod is adjustable.
Preferably, the upper part of the bin body is square, and the lower part of the bin body is conical.
Preferably, one end of the scraper is rotatably connected with any one angle of the bin body, and the other end of the scraper is a free end.
Preferably, an auger is arranged above the top plate.
Preferably, the roof is provided with a plurality of feed inlets, the auger be provided with a plurality of respectively with feed inlet complex feed opening.
Preferably, a detection device for detecting the powder level of the bin body is arranged in the bin body.
Preferably, the detection device comprises a steel wire rope with adjustable height and a floating ball arranged at the end part of the steel wire rope.
The utility model has the advantages that: a coal powder storehouse convenient for mixing powder level is provided with a powder level mixing device in the powder storehouse, the powder level mixing device comprises a scraping plate and a driving device for driving the scraping plate to move, the scraping plate scrapes the inside of the powder storehouse to scrape coal powder in the powder storehouse from a high powder level to a low powder level, so that the powder level collapse, and the over-low or over-high of a local powder level in the powder storehouse are avoided; the utility model provides an among the prior art, through the operation mode who constantly switches the coal pulverizer adjustment buggy storehouse powder position, reduced operating personnel's operational load, reduced the equipment loss, reduced the powder process unit consumption.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Description of reference numerals:
1-bin body 2-discharge hopper
3-top plate 4-drive means
5-scraper 6-rotating rod
7-auger 8-detection device
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the structural schematic diagram of the coal powder bunker convenient for uniformly mixing the powder level in the embodiment includes a bunker body 1, a top plate 3 hermetically fixed to the bunker body 1 is arranged on the upper portion of the bunker body 1, a plurality of discharging holes are arranged at the bottom of the bunker body 1, each discharging hole is correspondingly communicated with a discharging hopper 2, a feeding hole is formed in the top plate 3, a vertically downward rotating rod 6 is arranged on the top plate 3, the rotating rod 6 is located at the center of the top plate 3, a scraper 5 is fixedly arranged at the lower portion of the rotating rod 6, the rotating rod 6 is fixed to the top plate 3 through a mounting seat, a driving device 4 for driving the rotating rod 6 to rotate is arranged above the top plate 3, the driving device 4 is a rotating motor, the driving device 4 drives the rotating rod 6 to drive the scraper 5 to rotate in the bunker body 1, and scrapes; the top plate 3 is provided with a plurality of feeding holes, the upper part of the top plate 3 is provided with the packing auger 7, the packing auger 7 is provided with a discharging hole matched with the plurality of feeding holes of the top plate 3, pulverized coal is fed into the bin body from different feeding holes through a pushing plate of the packing auger 7, and the phenomenon of uneven pulverized coal powder level of the bin body 1 is reduced; the bin body 1 is also internally provided with a detection device 8 for detecting the powder level, and the detection device comprises a lifting steel wire rope and a floating ball.
Further, the height of the rotating rod can be adjusted.
Example two:
as shown in fig. 3, the schematic structural diagram of the coal dust bin convenient for mixing the powder level in this embodiment is the same as that of the embodiment, and will not be described repeatedly, the bin body 1 is square, the height of the bin body 1 is 4 meters, a scraper 5 is arranged at a position with a height of 2.5 meters to 3 meters, the scraper 5 is rod-shaped, one end of the scraper 5 is rotatably connected with any one corner of the bin body 1 through a connecting device, the other end of the scraper 5 is a free end, the length of the scraper is slightly larger than the width of the bin body 1, and the scraper 5 can rotate at any angle in the bin body 1 under the driving of the driving device 4.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a buggy storehouse convenient to mix even powder position which characterized in that: including the storehouse body (1), sealed roof (3) that is provided with in the storehouse body (1) upper portion, roof (3) are provided with the feed inlet, the storehouse body (1) bottom is provided with a plurality of unloading holes, every the unloading hole all communicates with lower hopper (2), the inside powder level of being provided with of the storehouse body (1) is transferred evenly the device, powder level is transferred evenly the device and is included scraper blade (5) and drive the drive arrangement (4) of scraper blade (5) motion.
2. A coal bunker facilitating the leveling of a coal level as claimed in claim 1 wherein: the center of the top plate (3) is provided with a vertically downward rotating rod (6), the lower part of the rotating rod (6) is fixedly connected with the scraper (5), and the driving device (4) drives the rotating rod (6) to drive the scraper (5) to rotate.
3. A coal bunker facilitating the leveling of a coal level as claimed in claim 2 wherein: the height of the rotating rod (6) can be adjusted.
4. A coal bunker facilitating the leveling of a coal level as claimed in claim 1 wherein: the upper part of the bin body (1) is square, and the lower part of the bin body (1) is conical.
5. A coal bunker convenient for leveling coal level as claimed in claim 4 wherein: one end of the scraper (5) is rotationally connected with any angle of the bin body (1), and the other end of the scraper (5) is a free end.
6. A coal bunker facilitating the leveling of a coal level as claimed in claim 1 wherein: and an auger (7) is arranged above the top plate (3).
7. A coal bunker facilitating the leveling of a coal level as claimed in claim 6 wherein: the top plate (3) is provided with a plurality of feed inlets, the auger (7) is provided with a plurality of feed openings which are respectively matched with the feed inlets.
8. A coal bunker facilitating the leveling of a coal level as claimed in claim 1 wherein: a detection device (8) for detecting the powder level of the bin body is arranged in the bin body (1).
9. A coal bunker facilitating the leveling of a coal level as claimed in claim 8 wherein: the detection device (8) comprises a steel wire rope with adjustable height and a floating ball arranged at the end part of the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708422.5U CN212618410U (en) | 2020-05-01 | 2020-05-01 | Buggy storehouse convenient to mix even powder position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708422.5U CN212618410U (en) | 2020-05-01 | 2020-05-01 | Buggy storehouse convenient to mix even powder position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212618410U true CN212618410U (en) | 2021-02-26 |
Family
ID=74710615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020708422.5U Active CN212618410U (en) | 2020-05-01 | 2020-05-01 | Buggy storehouse convenient to mix even powder position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212618410U (en) |
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2020
- 2020-05-01 CN CN202020708422.5U patent/CN212618410U/en active Active
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