CN219965578U - Fuel sieving mechanism of thermal power plant - Google Patents
Fuel sieving mechanism of thermal power plant Download PDFInfo
- Publication number
- CN219965578U CN219965578U CN202321196569.0U CN202321196569U CN219965578U CN 219965578 U CN219965578 U CN 219965578U CN 202321196569 U CN202321196569 U CN 202321196569U CN 219965578 U CN219965578 U CN 219965578U
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- cylinder
- screening
- power plant
- thermal power
- top surface
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- 239000000446 fuel Substances 0.000 title claims abstract description 33
- 238000007873 sieving Methods 0.000 title claims abstract description 6
- 230000007246 mechanism Effects 0.000 title claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002817 coal dust Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to the technical field of fuel processing and discloses a fuel screening device of a thermal power plant, which comprises a base, wherein a top plate is fixedly arranged at the top end of the base through a supporting column, a motor is fixedly arranged at the top end of the base, the output end of the motor is connected with a rotating shaft, a rotating disc is fixedly arranged on the outer wall of the rotating shaft, a fixed column is fixedly arranged on the side surface of one end of the rotating disc, which is far away from the motor, a transmission rod is rotatably sleeved on the outer wall of the fixed column, one end of the transmission rod, which is far away from the fixed column, is rotatably sleeved in a connecting seat, the bottom end of a screening cylinder is fixedly arranged at the connecting seat, and the screening cylinder is arranged on the top surface of the top plate through a plurality of groups of telescopic cylinders. This fuel sieving mechanism of thermal power plant drives screening section of thick bamboo at roof top up-and-down reciprocating motion through motor drive transfer line for the screen plate follows screening section of thick bamboo and reciprocates, and the inserted bar of cooperation cover bottom can be when screening the screening barrel screening coal powder fuel, dredges from top to bottom to the sieve mesh, plays the effect that prevents the jam, has solved prior art buggy and can be at the inside dry knot problem of jam of sieve mesh.
Description
Technical Field
The utility model relates to the technical field of fuel processing, in particular to a fuel screening device of a thermal power plant.
Background
In the existing thermal power plant, in the fuel screening working process, the motor works to drive the eccentric wheel to rotate, so that the screen cloth vibrates, materials are input into the first screening layer, the materials screened out for the first time flow out from the first discharge hole, and the rest materials fall on the second screening layer and fall on the discharge hopper to flow out. In the existing fuel screening process, because fuels such as coal dust contain a large amount of moisture, the fuels are easy to agglomerate in the screening process, screening efficiency is affected, meanwhile, screening effect is not ideal enough, screening error is large, and the existing device can only vibrate up and down, so that screening time is long, and effect is not ideal enough.
Therefore, the prior art scheme (bulletin number: CN 217043409U) discloses a thermal power plant fuel screening device, and the fuel is prevented from agglomerating in screening by stirring of a first stirring knife, so that the screening error is prevented from being large, the screening effect is more ideal, and the screening efficiency is improved; through the activity of rotating the wheel, make the discharge frame rock to shake in the time of making the discharge frame rock under the effect of cushion through spring assembly, screening effect is more obvious, practices thrift screening time, improves screening efficiency, makes screening effect more ideal. According to the technical scheme, as can be seen from fig. 3 in the attached drawings of the specification, in order to solve the problem of coal dust agglomeration, the first stirring knife is arranged to rotate on the top surface of the screening net, and the agglomerated coal dust is extruded and pushed to pass through the screening net, so that the coal dust containing a large amount of moisture is contained in the coal dust in the background art, in the process of pushing extrusion, the coal dust containing the moisture has viscosity and can be adhered to the sieve holes of the screening net, and under the action of a heating plate in the device, the coal dust in the sieve holes can be quickly dried, so that the screening net is blocked and cannot be screened, and therefore, the prior art needs to be improved to meet the actual demands.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a fuel screening device of a thermal power plant, which has the advantages of screening, blocking prevention and the like, and solves the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal power plant's fuel sieving mechanism, includes the base, the base top is by support column fixed mounting has the roof, base top fixed mounting has the motor, the motor output is connected with the pivot, pivot outer wall fixed mounting has the carousel, the one end side fixed mounting that the motor was kept away from to the carousel has the fixed column, the rotatable transfer line that has cup jointed of fixed column outer wall, the rotatable cup joint of one end that the fixed column was kept away from to the transfer line is inside the connecting seat, connecting seat fixed mounting has a screening cylinder bottom, the screening cylinder is installed in the roof top surface by multiunit telescopic cylinder, and inside fixed mounting has the sieve, the roof top is installed the cover by adjusting structure, cover bottom surface fixed mounting has multiunit inserted bar, the sieve mesh one-to-one of inserted bar and sieve.
As the preferable technical scheme of the utility model, the top surface of the top plate is provided with a through groove capable of accommodating the motion of the transmission rod in a penetrating way, the connecting seat consists of symmetrically arranged fixed plates and fixed shafts penetrating through the inside of the fixed plates, and one end of the transmission rod, which is far away from the fixed column, is rotatably sleeved on the outer wall of the fixed shafts and is positioned between the symmetrically arranged fixed plates.
As the preferable technical scheme of the utility model, the telescopic cylinder consists of a fixed cylinder, a movable cylinder and springs arranged in the fixed cylinder, and is distributed on the top surface of the top plate in a circumferential array, the fixed cylinder is a hollow cylinder with an opening on the top surface and is fixedly arranged in the top end of the top plate, the movable cylinder is a hollow cylinder with an opening on the bottom surface and is slidably inserted in the fixed cylinder, the bottom ends of the springs are fixedly connected with the bottom wall in the fixed cylinder, the top ends of the springs are fixedly connected with the top wall in the movable cylinder, and the top surface of the movable cylinder is fixedly connected with the bottom surface of the screening cylinder.
As the preferable technical scheme of the utility model, a gap is arranged between the bottom surface of the sieve plate and the bottom wall inside the sieving cylinder, the top surface of the sieve plate is penetrated and provided with sieve holes distributed in a circumferential array, and the inserted link is conical and has a diameter smaller than that of the sieve holes.
As the preferable technical scheme of the utility model, the adjusting structure comprises a sliding rail fixedly arranged on the top surface of the top plate, a driving motor is fixedly arranged at the top end of the sliding rail, a screw rod is connected with the output end of the driving motor, the screw rod rotatably penetrates through the top end of the sliding rail, a sliding block is connected with the outer wall of the screw rod in a threaded manner, an L-shaped plate is fixedly connected to the front surface of the sliding block, and the bottom end of the L-shaped plate is fixedly connected with the top surface of the cylinder cover.
As the preferable technical scheme of the utility model, the bottom surface of the screening cylinder is communicated with a discharge pipe, and an outer groove is formed in the top surface of the top plate, corresponding to the position of the discharge pipe, in a penetrating manner.
Compared with the prior art, the utility model provides a thermal power plant fuel screening device, which has the following beneficial effects:
1. according to the utility model, the motor drives the transmission rod to drive the screening cylinder to reciprocate up and down at the top end of the top plate, so that the screen plate moves up and down along with the screening cylinder, and the inserted link matched with the bottom end of the cylinder cover can dredge the screen holes up and down while the screening cylinder screens the coal powder fuel, thereby playing a role in preventing blockage and solving the problem that the coal powder in the prior art is dry and blocked inside the screen holes.
2. According to the utility model, through the arrangement of the motor, the rotating shaft, the rotating disc, the fixed column, the transmission rod and the connecting seat, the screening cylinder can reciprocate up and down at the top end of the top plate, so that the function of screening pulverized coal fuel is realized, the screening cylinder is limited under the action of the telescopic cylinder, the screening cylinder is forced to do up-and-down rectilinear motion, and the situation that the inserted rod cannot be inserted into the sieve holes due to displacement of the screening cylinder during up-and-down reciprocation is avoided.
Drawings
FIG. 1 is a schematic perspective view of a structure screening apparatus of the present utility model;
FIG. 2 is a schematic side view of a structural screening apparatus of the present utility model;
FIG. 3 is a schematic elevational cross-sectional view of a structural screening apparatus of the present utility model;
FIG. 4 is a schematic side cross-sectional view of a structural screening apparatus of the present utility model;
fig. 5 is a schematic perspective view of the internal structure of the structure screening cylinder of the present utility model.
Wherein: 1. a base; 2. a top plate; 3. a motor; 4. a rotating shaft; 5. a turntable; 6. fixing the column; 7. a transmission rod; 8. a connecting seat; 9. a screening cylinder; 10. a telescopic cylinder; 11. a cylinder cover; 12. a rod; 13. a spring; 14. a slide rail; 15. a driving motor; 16. a screw rod; 17. an L-shaped plate; 18. a discharge pipe; 19. a sieve plate.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, a thermal power plant fuel screening device, the on-line screen storage device comprises a base 1, the base 1 top is by support column fixed mounting has roof 2, base 1 top fixed mounting has motor 3, motor 3 output is connected with pivot 4, pivot 4 outer wall fixed mounting has carousel 5, one end side fixed mounting that motor 3 was kept away from to carousel 5 has fixed column 6, the transmission pole 7 has been cup jointed to the rotatable formula of fixed column 6 outer wall, the one end rotatable formula of fixed column 6 is kept away from to transmission pole 7 cup joints in connecting seat 8 inside, connecting seat 8 fixed mounting has screening cylinder 9 bottom, screening cylinder 9 is installed in roof 2 top by multiunit telescopic cylinder 10, and inside fixed mounting has sieve 19, roof 2 top is installed by adjusting structure and is covered 11, cover 11 bottom surface fixed mounting has multiunit inserted bar 12, inserted bar 12 and sieve mesh one-to-one of sieve 19, drive screening cylinder 9 up and down reciprocating motion at roof 2 top through motor 3 drive transmission pole 7 for the inserted bar 12 of cooperation cover 11 bottom can be in the screening cylinder 9 screening fuel when the filter cylinder 9 is blocked up and down, the inside the dry coal dust that has been prevented to the inside the sieve mesh from dredging the inside of the prior art.
When carrying out fuel screening, start driving motor 15, lead screw 16 rotates, drive threaded connection in the slider of lead screw 16 outer wall drive L template 17 upwards move, until with L template 17 fixed connection's cover 11 drive inserted bar 12 and screening section of thick bamboo 9 separation, the fuel that will wait to screen pours into screening section of thick bamboo 9 inside, the driving motor 15 reversal of control again, make cover 11 drive inserted bar 12 to screening section of thick bamboo 9 inside remove, because inserted bar 12 is coniform, and the diameter is less than the diameter of sieve mesh, when making screening section of thick bamboo 9 reciprocating motion, inserted bar 12 can be at inside up-and-down motion of sieve mesh, carry out timely mediation to the pulverized coal fuel that knots in the sieve mesh inside, prevent to block up.
After the height of the cylinder cover 11 is adjusted, the motor 3 is started, the rotating shaft 4 rotates, the rotating disc 5 fixedly connected with the outer wall of the rotating shaft 4 is driven to rotate, the fixed column 6 fixedly installed on one end side surface of the rotating disc 5 far away from the motor 3 moves along with the rotating disc 5 in a circular mode, the bottom end of the driving rod 7 moves around the rotating shaft 4 in a circular mode, the driving rod 7 moves inside a through groove formed in the penetrating mode of the top surface of the top plate 2, the top end of the driving rod drives the fixing plate which is symmetrically arranged and the connecting seat 8 which is formed by the fixing shaft penetrating through the inside of the fixing plate to move up and down when the outer wall of the fixing shaft swings, and therefore the screening cylinder 9 moves up and down, and the function of reciprocating screening is achieved.
When the screening cylinder 9 reciprocates up and down, the telescopic cylinder 10 which is formed by the fixed cylinder, the movable cylinder and the springs 13 arranged in the fixed cylinder and distributed in the circumferential array at the bottom end of the telescopic cylinder is driven to continuously stretch, when the screening cylinder 9 moves down, the movable cylinder of the telescopic cylinder 10 is pushed to move towards the inside of the fixed cylinder and compress the springs 13 in the inside, when the screening cylinder 9 moves up, the movable cylinder is driven to extend out of the fixed cylinder, the springs 13 in the inside are released, the telescopic cylinder 10 can be forced to do up-down reciprocating linear motion when the screening cylinder 9 moves up and down, limiting is carried out on the telescopic cylinder, and the dislocation of sieve holes on the sieve plate 19 and the inserted link 12 in the screening cylinder 9 is avoided, so that the device cannot normally screen pulverized coal fuel.
The pulverized coal fuel after screening falls to the gap between the bottom surface of the screen plate 19 and the inner bottom wall of the screening cylinder 9 through the screen holes of the screen plate 19, under the action of the up-and-down reciprocating motion of the screening cylinder 9, the pulverized coal fuel can be discharged through the discharging pipe 18 communicated with the bottom end of the screening cylinder 9, and an outer groove is formed in the top surface of the top plate 2 corresponding to the position of the discharging pipe 18 in a penetrating manner, so that the discharging pipe 18 can avoid mutual interference with the top plate 2 when moving up and down along with the screening cylinder 9.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a thermal power plant's fuel sieving mechanism, includes base (1), base (1) top is by support column fixed mounting has roof (2), its characterized in that: base (1) top fixed mounting has motor (3), motor (3) output is connected with pivot (4), pivot (4) outer wall fixed mounting has carousel (5), one end side fixed mounting that motor (3) was kept away from to carousel (5) has fixed column (6), transmission pole (7) have been cup jointed to fixed column (6) outer wall rotatable formula, transmission pole (7) are kept away from the one end rotatable formula of fixed column (6) and are cup jointed inside connecting seat (8), connecting seat (8) fixed mounting has screening cylinder (9) bottom, screening cylinder (9) are installed in roof (2) top surface by multiunit telescopic cylinder (10), and inside fixed mounting has sieve (19), roof (2) top surface is installed by adjusting structure cover (11), barrel cover (11) bottom surface fixed mounting has multiunit inserted bar (12), inserted bar (12) and sieve mesh one-to-one of sieve (19).
2. The thermal power plant fuel screening apparatus according to claim 1, wherein: the top surface of the top plate (2) is provided with a through groove capable of containing the motion of the transmission rod (7) in a penetrating mode, the connecting seat (8) is composed of a fixing plate which is symmetrically arranged and a fixing shaft which penetrates through the fixing plate, one end, away from the fixing column (6), of the transmission rod (7) is rotatably sleeved on the outer wall of the fixing shaft, and the transmission rod is located between the fixing plates which are symmetrically arranged.
3. The thermal power plant fuel screening apparatus according to claim 1, wherein: the telescopic cylinder (10) comprises a fixed cylinder, a movable cylinder and a spring (13) arranged in the fixed cylinder, wherein the spring is distributed on the top surface of the top plate (2) in a circumferential array, the fixed cylinder is a hollow cylinder with an open top surface and is fixedly arranged in the top end of the top plate (2), the movable cylinder is a hollow cylinder with an open bottom surface and is slidably inserted in the fixed cylinder, the bottom end of the spring (13) is fixedly connected with the bottom wall in the fixed cylinder, the top end of the spring is fixedly connected with the top wall in the movable cylinder, and the top surface of the movable cylinder is fixedly connected with the bottom surface of the screening cylinder (9).
4. The thermal power plant fuel screening apparatus according to claim 1, wherein: the sieve plate (19) bottom surface is provided with the space between the inside diapire of screening section of thick bamboo (9), and the top surface runs through and is provided with the sieve mesh that circumference array distributes, inserted bar (12) are coniform, and the diameter is less than the diameter of sieve mesh.
5. The thermal power plant fuel screening apparatus according to claim 1, wherein: the adjusting structure comprises a sliding rail (14) fixedly mounted on the top surface of the top plate (2), a driving motor (15) is fixedly mounted on the top end of the sliding rail (14), a screw rod (16) is connected to the output end of the driving motor (15), the screw rod (16) rotatably penetrates through the top end of the sliding rail (14), a sliding block is connected to the outer wall of the screw rod in a threaded mode, an L-shaped plate (17) is fixedly connected to the front surface of the sliding block, and the bottom end of the L-shaped plate (17) is fixedly connected with the top surface of the cylinder cover (11).
6. The thermal power plant fuel screening apparatus according to claim 1, wherein: the screening cylinder (9) bottom surface intercommunication has row material pipe (18), the outer groove has been run through to row material pipe (18) position corresponding to in roof (2) top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321196569.0U CN219965578U (en) | 2023-05-16 | 2023-05-16 | Fuel sieving mechanism of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321196569.0U CN219965578U (en) | 2023-05-16 | 2023-05-16 | Fuel sieving mechanism of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219965578U true CN219965578U (en) | 2023-11-07 |
Family
ID=88582247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321196569.0U Active CN219965578U (en) | 2023-05-16 | 2023-05-16 | Fuel sieving mechanism of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219965578U (en) |
-
2023
- 2023-05-16 CN CN202321196569.0U patent/CN219965578U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |