CN220130916U - Raw coal bin discharging and blocking removing device - Google Patents
Raw coal bin discharging and blocking removing device Download PDFInfo
- Publication number
- CN220130916U CN220130916U CN202321599163.7U CN202321599163U CN220130916U CN 220130916 U CN220130916 U CN 220130916U CN 202321599163 U CN202321599163 U CN 202321599163U CN 220130916 U CN220130916 U CN 220130916U
- Authority
- CN
- China
- Prior art keywords
- blanking
- taper pipe
- coal
- discharging
- section
- 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.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 111
- 238000007599 discharging Methods 0.000 title claims abstract description 41
- 230000000903 blocking effect Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model relates to the technical field of material storage equipment, and discloses a raw coal bin discharging and blocking removing device, which comprises a coal feeder, a coal bin discharging section positioned above the coal feeder, and a feeding and blocking removing structure arranged between the coal feeder and the coal bin discharging section; the feeding blocking-removing structure comprises a discharging straight pipe connected with the discharging section of the coal bunker and a discharging taper pipe connected with the bottom of the discharging straight pipe; at least one rotary scraper is circumferentially arranged in the side surface of the blanking taper pipe, a power component for driving the rotary scraper is arranged on the side surface of the blanking taper pipe, the vertical section of the blanking taper pipe is inverted trapezoid, and the horizontal section of the blanking taper pipe is rectangular. According to the utility model, the blanking taper pipe with the bottom corresponding to the size of the feed inlet of the coal feeder is arranged, and the rotary scraper arranged in the side plate of the blanking taper pipe is matched, so that the structure is simple, and the coal blockage can be removed more conveniently and thoroughly.
Description
Technical Field
The utility model relates to the technical field of material storage equipment, in particular to a raw coal bin discharging and blocking-removing device.
Background
The coal in the raw coal bin is required to be sent to a transport vehicle through a coal feeder and transported to various places, but the size of a feed opening of the raw coal bin is larger than that of a feed opening of the coal feeder, so that a discharge device is required to be arranged between a feed section of the raw coal bin and the feed opening of the coal feeder, but the fluidity of the coal is seriously reduced due to the influences of the production place, climate conditions and the like of the raw coal, particularly the conditions of water content increase, cold freezing and the like, and the problems of flow dead zone and arch blocking are easily formed when the raw coal is discharged; in order to solve the problems, a blockage removing device is designed, for example, a scraper of the Chinese patent of the utility model with the publication number of CN113104410A moves circumferentially around the inner wall of a pipe, and the scraper is always clung to the bin wall under the stress, so that pulverized coal and the bin wall are relatively separated and whirled towards the center; the scheme has a relatively complex structure; for example, in the chinese patent of CN203332726U, the bottom of the pipe connected to the feed inlet of the coal feeder is a plane, the bottom size is larger than that of the feed inlet of the coal feeder, the middle opening of the bottom is used for discharging, and an activating plow is arranged beside the opening, so that although the activating plow can help discharging, part of the material is always accumulated at the bottom edge, and the blockage is not thoroughly removed.
Disclosure of Invention
The purpose of the utility model is that: overcomes the defects existing in the prior art, provides a raw coal bunker discharging and blocking removing device, and is characterized in that a blanking taper pipe with the bottom corresponding to the size of a feed inlet of a coal feeder is arranged, a rotary scraper is arranged inside a side plate of the blanking taper pipe in a matching manner, the structure is simple, and the blocking removing is more convenient and thorough.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the raw coal bin discharging and blocking removing device comprises a coal feeder, a coal bin discharging section positioned above the coal feeder, and a feeding blocking removing structure arranged between the coal feeder and the coal bin discharging section; the feeding blocking-removing structure comprises a discharging straight pipe connected with the discharging section of the coal bunker and a discharging taper pipe connected with the bottom of the discharging straight pipe; at least one rotary scraper is circumferentially arranged in the side surface of the blanking taper pipe, a power component for driving the rotary scraper is arranged on the side surface of the blanking taper pipe, the vertical section of the blanking taper pipe is inverted trapezoid, and the horizontal section of the blanking taper pipe is rectangular.
Further, the inclination angle of the rotary scraper is the same as the inclination angle of the side face of the blanking taper pipe, and the length of the rotary scraper is more than two thirds of the length of the side face of the blanking taper pipe.
Further, the horizontal section of the blanking straight pipe is rectangular, the size of the rectangle is the same as the size of the top of the blanking taper pipe, and the shortest side of the horizontal section of the blanking straight pipe is larger than 1100mm; the coal bunker discharging section is fixedly connected with the top of the discharging straight pipe through a coal bunker connecting part.
Further, the coal bunker connecting portion comprises a first flange arranged on the coal bunker blanking section and a second flange arranged at the top of the blanking straight pipe and corresponding to the first flange, and the first flange and the second flange are connected through bolt matching.
Further, the first flange is sleeved outside the coal bunker blanking section, the bottom of the coal bunker blanking section is inserted into the blanking straight pipe, and the horizontal section of the coal bunker blanking section is round or rectangular.
Further, the power component comprises a fixed seat fixed on the outer side of the blanking taper pipe, the fixed seat is connected with a motor, the motor is in transmission connection with a driving shaft, the side face of the driving shaft is vertically arranged on the side face of the blanking taper pipe, the driving shaft is inserted into the blanking taper pipe and is in rotary connection with the blanking taper pipe, and the tail end of the driving shaft is detachably connected with a rotary scraper or welded with the rotary scraper.
Further, when the driving shaft is detachably connected with the rotary scraper, an external thread is arranged at the tail end of the driving shaft, a through hole is formed in the middle of the rotary scraper, an internal thread matched with the external thread is arranged in the through hole, the rotary scraper is in threaded connection with the driving shaft through the internal thread and the external thread, a limiting piece is in threaded connection with the tail end of the driving shaft, and a nut matched with the driving shaft or a nut with one end closed can be adopted as the limiting piece; when the driving shaft is welded with the rotary scraper, the tail end of the driving shaft is welded with the rotary scraper and the limiting piece.
Further, the feeder is provided with a feeder feed inlet, the bottom of the blanking taper pipe corresponds to the feeder feed inlet in position in the vertical direction, and the bottom size of the blanking taper pipe is smaller than the size of the feeder feed inlet.
The beneficial effects of the utility model are as follows: according to the utility model, the blanking taper pipe with the bottom corresponding to the size of the feed inlet of the coal feeder is arranged, and the rotary scraper arranged in the side plate of the blanking taper pipe is matched, so that the structure is simple, and the coal blockage can be removed more conveniently and thoroughly; meanwhile, the problems of flow dead zone and arching blocking are solved; the blanking taper pipe with the bottom similar to the feeding hole of the coal feeder in size is arranged, raw coal is prevented from being accumulated at the bottom of the blanking taper pipe, and meanwhile, the rotary scraper arranged on the inclined surface of the blanking taper pipe is matched, so that the condition of arching and blocking is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure, 1, a coal bunker blanking section; 2. a coal bunker connecting part; 3. discharging straight pipes; 4. blanking a taper pipe; 5. a power component; 501. a motor; 502. a fixing seat; 503. a drive shaft; 504. a limiting piece; 6. a feed inlet of the coal feeder; 7. a coal feeder; 8. and (5) rotating the scraper.
Detailed Description
The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.
Examples:
1-2, the raw coal bin discharging and blocking removing device comprises a coal feeder 7, a coal bin discharging section 1 positioned above the coal feeder 7, and a feeding blocking removing structure arranged between the coal feeder 7 and the coal bin discharging section 1; the coal bunker blanking section 1 is integrally a conical pipeline with a large upper part and a small lower part, and the feeding and blocking removing structure comprises a blanking straight pipe 3 connected with the coal bunker blanking section 1 and a blanking conical pipe 4 connected with the bottom of the blanking straight pipe 3; at least one rotary scraper 8 is circumferentially arranged in the side surface of the blanking taper pipe 4, a power component 5 for driving the rotary scraper 8 is arranged in the side surface of the blanking taper pipe 4, the vertical section of the blanking taper pipe 4 is inverted trapezoid, the bottom side length is smaller than the top side length, and the horizontal section is rectangular; namely, the blanking taper pipe 4 is in an inverted quadrangular frustum shape and consists of four inclined side plates, the inclination angles are the same, and a rotary scraper 8 is arranged on at least one of the four side plates; the feeding blocking-removing structure comprises a blanking straight pipe 3, a blanking taper pipe 4 and a power part 5 which are integral.
The inclination angle of the rotary scraper 8 is the same as the inclination angle of the side surface of the blanking taper pipe 4, and the length of the rotary scraper 8 is more than two thirds of the length of the side surface of the blanking taper pipe 4.
The horizontal section of the blanking straight pipe 3 is rectangular, the size of the rectangle is the same as the size of the top of the blanking taper pipe 4, and the shortest side of the horizontal section of the blanking straight pipe 3 is larger than 1100mm; the coal bunker blanking section 1 is fixedly connected with the top of a blanking straight pipe 3 through a coal bunker connecting part 2; since the minimum side length of the inlet and the outlet of the discharging straight pipe 3 is not less than 1100mm, the purpose is to ensure that the opening size of the discharging section of the raw coal bin is always kept not less than the critical value within the range above the discharging taper pipe 4, and for most commercial coal types, under the condition of not less than the opening size, the situation that the whole coal bin discharging section is not arched and broken can be basically ensured, and the serious flowing dead zone can not occur in the coal bin discharging process can be basically met, so that the method is empirical data obtained through long-term practice; under the condition of deteriorated coal fluidity, the purpose of solving the problem can be achieved by properly increasing the size of the opening; at present, the coal inlet of a coal feeder used in thermal power generation in China is basically 660mm in diameter, an opening with the side length of a blanking straight pipe 3 not lower than 1100mm cannot be connected with a coal feeder feed inlet 6, if the lower opening of the blanking straight pipe 3 is contracted and then is connected with the coal feeder 7, serious coal blockage at a necking position is necessarily caused, the feeding and blockage clearing structure can solve the problem of connection between a square straight pipe body and the coal feeder, a rotary scraper is arranged on the necking inner wall of a coal bin flow aid with an inverted frustum pipe body structure, and coal retained on the necking inner wall is pushed into the coal feeder inlet by utilizing rotary motion of the scraper to realize stable coal unloading of the coal bin, so that the problems of dead zone of coal bin flow and arch blockage are solved.
The coal bunker connecting part 2 comprises a first flange arranged on the coal bunker blanking section 1 and a second flange arranged at the top of the blanking straight pipe 3 and corresponding to the first flange, and the first flange and the second flange are connected through bolt matching.
The first flange is sleeved outside the coal bunker blanking section 1, the bottom of the coal bunker blanking section 1 is inserted into the blanking straight pipe 3, the horizontal section of the coal bunker blanking section 1 is round or rectangular, when the horizontal section is rectangular, the bottom of the coal bunker blanking section 1 and the inner wall of the top of the blanking straight pipe 3 are nested with each other, and gaps are reserved between the bottom of the coal bunker blanking section 1 and the inner wall of the top of the blanking straight pipe 3 as little as possible; when circular, the maximum diameter is smaller than the shortest side of the horizontal section of the blanking straight pipe 3.
The power component 5 comprises a fixed seat 502 fixed on the outer side of the blanking taper pipe 4, the fixed seat 502 is connected with a motor 501 and used for fixing the motor 501 and a transmission component, the motor 501 is in transmission connection with a driving shaft 503, the driving shaft 503 is vertically arranged on the side face of the blanking taper pipe 4, namely, is vertically arranged on the rotating face of the rotating scraper 8, the driving shaft 503 is inserted into the blanking taper pipe 4 and is rotationally connected with the blanking taper pipe 4, and the tail end of the driving shaft 503 is detachably connected with the rotating scraper 8 or welded with the rotating scraper 8.
When the driving shaft 503 is detachably connected with the rotary scraper 8, the tail end of the driving shaft 503 is provided with external threads, the middle part of the rotary scraper 8 is provided with a through hole, the through hole is internally provided with internal threads matched with the external threads, the rotary scraper 8 is in threaded connection with the driving shaft 503 through the internal threads and the external threads, the tail end of the driving shaft 503 is in threaded connection with a limiting piece 504, and the limiting piece 504 can be a nut matched with the driving shaft 503 or a nut with one closed end; when the driving shaft 503 is welded with the rotary scraper 8, the tail end of the driving shaft 503 is welded with the rotary scraper 8 and the limiting piece 504, and the rotary scraper 8 is positioned between the limiting piece 504 and the inner wall of the blanking taper pipe 4.
Be provided with feeder feed inlet 6 on the feeder 7, the bottom of unloading taper pipe 4 corresponds with feeder feed inlet 6 position in vertical direction, and the bottom size of unloading taper pipe 4 is less than the size of feeder feed inlet 6, and the bottom of unloading taper pipe 4 can insert feeder feed inlet 6 bottom.
The working process comprises the following steps: raw coal falls into a blanking straight pipe 3 from a coal bin blanking section 1, the falling diameter of the raw coal in the blanking straight pipe 3 is reduced, then the raw coal falls into a blanking taper pipe 4 from the blanking straight pipe 3, and the falling diameter is reduced again and then falls into a feed inlet 6 of a coal feeder; meanwhile, the motor 501 can be started, the motor 501 drives the driving shaft 503, the driving shaft 503 drives the rotary scraper 8 to accelerate coal dropping and clear away coal blockage, and the occurrence of flowing dead zones and arching blockage is prevented.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (8)
1. The utility model provides a raw coal storehouse clear stifled device of unloading which characterized in that: comprises a coal feeder (7), a coal bin blanking section (1) positioned above the coal feeder (7), and a feeding blocking-removing structure arranged between the coal feeder (7) and the coal bin blanking section (1); the feeding blocking-removing structure comprises a discharging straight pipe (3) connected with the discharging section (1) of the coal bunker and a discharging taper pipe (4) connected with the bottom of the discharging straight pipe (3); at least one rotary scraper (8) is circumferentially arranged inside the side surface of the blanking taper pipe (4), a power component (5) for driving the rotary scraper (8) is arranged on the side surface of the blanking taper pipe (4), the vertical section of the blanking taper pipe (4) is in an inverted trapezoid shape, and the horizontal section of the blanking taper pipe is rectangular.
2. The raw coal bunker discharging and blocking removing device according to claim 1, wherein: the inclination angle of the rotary scraper (8) is the same as the side inclination angle of the blanking taper pipe (4), and the length of the rotary scraper (8) is greater than two thirds of the side length of the blanking taper pipe (4).
3. The raw coal bunker discharging and blocking removing device according to claim 2, wherein: the horizontal section of the blanking straight pipe (3) is rectangular, the size of the rectangle is the same as the size of the top of the blanking taper pipe (4), and the shortest side of the horizontal section of the blanking straight pipe (3) is larger than 1100mm; the coal bunker blanking section (1) is fixedly connected with the top of the blanking straight pipe (3) through the coal bunker connecting part (2).
4. The raw coal bunker unloading and blocking removing device according to claim 3, wherein: the coal bunker connecting part (2) comprises a first flange arranged on the coal bunker blanking section (1) and a second flange arranged at the top of the blanking straight pipe (3) and corresponding to the first flange, and the first flange and the second flange are connected through bolt matching.
5. The raw coal bunker discharging and blocking removing device according to claim 4, wherein: the first flange is sleeved outside the coal bunker blanking section (1), the bottom of the coal bunker blanking section (1) is inserted into the blanking straight pipe (3), and the horizontal section of the coal bunker blanking section (1) is round or rectangular.
6. The raw coal bunker discharging and blocking removing device according to claim 1, wherein: the power component (5) comprises a fixed seat (502) fixed on the outer side of the blanking taper pipe (4), the fixed seat (502) is connected with a motor (501), the motor (501) is in transmission connection with a driving shaft (503), the driving shaft (503) is vertically arranged on the side face of the blanking taper pipe (4), the driving shaft (503) is inserted into the blanking taper pipe (4) and is in rotary connection with the blanking taper pipe, and the tail end of the driving shaft (503) is detachably connected or welded with the rotary scraper (8).
7. The raw coal bunker discharging and blocking removing device according to claim 6, wherein: when the driving shaft (503) is detachably connected with the rotary scraper (8), the tail end of the driving shaft (503) is provided with external threads, the middle part of the rotary scraper (8) is provided with a through hole, the through hole is internally provided with internal threads matched with the external threads, the rotary scraper (8) is in threaded connection with the driving shaft (503) through the internal threads and the external threads, the tail end of the driving shaft (503) is in threaded connection with a limiting piece (504), and the limiting piece (504) can be a nut matched with the driving shaft (503) or a nut with one closed end; when the driving shaft (503) and the rotary scraper (8) are welded, the tail end of the driving shaft (503) is welded with the rotary scraper (8) and the limiting piece (504).
8. The raw coal bunker discharging and blocking removing device according to claim 1, wherein: be provided with feeder feed inlet (6) on feeder (7), the bottom of unloading taper pipe (4) corresponds with feeder feed inlet (6) position in vertical direction, and the bottom size of unloading taper pipe (4) is less than the size of feeder feed inlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321599163.7U CN220130916U (en) | 2023-06-21 | 2023-06-21 | Raw coal bin discharging and blocking removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321599163.7U CN220130916U (en) | 2023-06-21 | 2023-06-21 | Raw coal bin discharging and blocking removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220130916U true CN220130916U (en) | 2023-12-05 |
Family
ID=88958555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321599163.7U Active CN220130916U (en) | 2023-06-21 | 2023-06-21 | Raw coal bin discharging and blocking removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220130916U (en) |
-
2023
- 2023-06-21 CN CN202321599163.7U patent/CN220130916U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203903406U (en) | A screw conveyor capable of preventing material blocking | |
| CN220130916U (en) | Raw coal bin discharging and blocking removing device | |
| CN102755849A (en) | Dust humidifying and stirring device | |
| CN116654466A (en) | Raw coal bin discharging and blocking removing device | |
| TWI417235B (en) | An apparatus and method for feeding with continuousness and quantity | |
| CN203127790U (en) | Flexible power thrust device for relieving crystallized aluminum salt bonding blocking | |
| CN203874495U (en) | Continuous discharge device of evaporative crystallization equipment | |
| CN204310274U (en) | Feed bin discharging anti-block apparatus | |
| CN110921328A (en) | Uniform feeder | |
| CN204896603U (en) | Can prevent to shut down accurate feeder of hysteretic spiral | |
| CN215248208U (en) | Material guiding device, material distributing equipment and material fishing machine | |
| CN211870807U (en) | Lime stone unloading conveying equipment | |
| CN213668848U (en) | A even compounding device of raw materials for granule | |
| CN215324630U (en) | Blockage clearing device suitable for eccentric conical bin | |
| CN210058448U (en) | Inclined inserting plate type charging hopper | |
| CN109294894B (en) | Anaerobic reactor feeding device | |
| CN209558776U (en) | Water-circulating cooling device is used in a kind of production of Immesion active carbon | |
| CN209411329U (en) | A kind of bin discharger for Bulk foodstuff dock vertical silo | |
| CN219361397U (en) | Loading device of filling machine | |
| CN108750561A (en) | A kind of mountain flour conveying device | |
| CN216614539U (en) | Coal feeding device of normal-pressure circulating fluidized bed gasification furnace | |
| CN214732890U (en) | A loading attachment for extruder | |
| CN204544487U (en) | The burnt grain Winnowing separator of a kind of dust-laden | |
| CN215675256U (en) | Air-cooled slag drying machine | |
| CN204607861U (en) | Digestion lime mud retrieving arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |