CN112007734A - Coal crushing device for thermal power generation - Google Patents
Coal crushing device for thermal power generation Download PDFInfo
- Publication number
- CN112007734A CN112007734A CN202010747065.8A CN202010747065A CN112007734A CN 112007734 A CN112007734 A CN 112007734A CN 202010747065 A CN202010747065 A CN 202010747065A CN 112007734 A CN112007734 A CN 112007734A
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- Prior art keywords
- controller
- crushing
- coal
- power generation
- thermal power
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- 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.)
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Links
- 239000003245 coal Substances 0.000 title claims abstract description 45
- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 238000010298 pulverizing process Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/005—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being disintegrated by collision of, or friction between, the material particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a coal crushing device for thermal power generation, which comprises a storage bin and a controller, wherein the top of the storage bin is provided with a feed inlet, the feed inlet is in the shape of an inverted funnel, a crushing clamping groove is formed in the funnel, a limiting sensor is arranged in the storage bin, a crushing motor is arranged at the lower end of the feed inlet, and the controller is arranged on the storage bin and connected with the crushing motor. The device can smash coal, smashes big coal that the size is suitable with the bold coal after, coal will get into the feed bin automatically, and the overall process carries out automatic control by the controller, and easy operation reduces working strength, improves work efficiency.
Description
Technical Field
The invention belongs to the technical field of electric power, and relates to a coal crushing device for thermal power generation.
Background
Thermal power generation is a power generation mode which utilizes heat energy generated when solid, liquid and gas fuels such as coal, petroleum and natural gas are combusted to convert the heat energy into electric energy through a power generation power device. In recent years, environmental protection and energy conservation become important directions for structure adjustment of the Chinese power industry, the optimization and upgrade of the industrial structure are actively promoted under the guidance of the policy of 'high pressure and low pressure' in the thermal power industry, a large number of small thermal power generating units with low energy efficiency and heavy pollution are closed, and the updating and upgrading of the domestic thermal power equipment are accelerated to a great extent.
The back need be smashed to the coal that thermal power used, before adding the thermal power room, need place in the feed bin of coal, and what present coal was mostly the piecemeal places in reducing mechanism, then smashes, and coal receives the extrusion back in reducing mechanism, then places in the feed bin again. This method has many flows, high working strength and low working efficiency, so that a device capable of storing pulverized coal is required.
Disclosure of Invention
In order to solve the problems, the coal crushing device for thermal power generation can crush coal, the coal with proper size can be automatically fed into a storage bin after large blocks of coal are crushed, the whole process is automatically controlled by a controller, the operation is simple, the working intensity is reduced, and the working efficiency is improved.
The invention provides a coal crushing device for thermal power generation, which comprises a storage bin and a controller, wherein the top of the storage bin is provided with a feed inlet, the feed inlet is in the shape of an inverted funnel, a crushing clamping groove is formed in the funnel, a limit sensor is arranged in the storage bin, a crushing motor is arranged at the lower end of the feed inlet, the controller is arranged on the storage bin and is connected with the crushing motor, the crushing motor comprises a rotating motor, a rotating shaft, a moving device, a plurality of crushing rods, a support rod and a fixed rod, the rotating motor is arranged in the storage bin through the fixed rod, the rotating shaft is arranged on a rotating shaft of the motor, the rotating shaft is provided with a track, the moving device is arranged on the track of the rotating shaft, one end of each crushing rod is movably connected with the top end of the rotating shaft, one end of the support rod is movably, the other end is movably connected with the crushing rods, and a filter screen is arranged between the crushing rods.
Further the controller includes control panel, control chip, digital output module, position control module and signal detection module, control panel can set up the parameter value, control chip and digital output module, position control module and signal detection module, digital output module links to each other with the rotation motor, makes the controller can control the rotation motor through digital output module and move, position control module links to each other with the mobile device, makes the controller pass through the operation that position control module can the mobile device, signal detection module links to each other with spacing sensor, makes the controller can be through detecting the parameter value in the spacing sensor.
The spacing sensor comprises a detection end and a signal transmission port, the detection end can detect whether coal is in the position of the bunker, the signal transmission port is connected with a signal detection module of the controller through a connecting wire, and the spacing sensor transmits the detected signal to the controller.
The rotating motor further comprises a power input end and a control end, the power input end is connected with a power supply to provide power for the rotating motor, and the control end is connected with the digital quantity output module of the controller through a connecting wire, so that the controller can automatically control the rotating motor to operate.
Further the mobile device comprises a servo rotating motor and a rack, the servo rotating motor is installed in the rack and comprises a power input end and a control end, the power input end is connected with a power supply and provides power for the mobile power supply, and the control end is connected with a position control module in the controller through a connecting wire, so that the controller can automatically control the operation of the mobile device. The frame includes bottom plate, movable plate and rotation threaded rod, a plurality of dead levers have on the bottom plate, rotate the pivot that the threaded rod links to each other with servo rotation motor, a plurality of through-holes have on the movable plate, and install in many dead levers, the centre of movable plate has the screw hole, carries out threaded connection with the rotation threaded rod, movable connection carries out with the bracing piece on the movable plate.
Further smash the pole and be circular-arc, have a plurality of crushing latch on the body of rod, should smash the latch and have the clearance between the latch with the feed bin inside. After the controller operates the rotating motor, the rotating motor drives the crushing rod to rotate, and coal is extruded, polished and crushed between the clamping teeth of the crushing rod and the clamping teeth inside the bin.
Furthermore, the filter screen is of a net structure made of metal materials, and crushed coal blocks enter the storage bin in grids among the metal materials.
Drawings
FIG. 1 is a schematic view showing the overall construction of a coal pulverizing apparatus for thermal power generation according to the present invention;
FIG. 2 is a schematic view of a pulverizing motor of a coal pulverizing apparatus for thermal power generation according to the present invention;
fig. 3 is a schematic structural view of a moving device of a coal pulverizing device for thermal power generation.
In the figure: 1. a storage bin; 2. a controller; 3. a feed inlet; 4. a crushing clamping groove; 5. a limit sensor; 6. a grinding motor; 7. rotating the motor; 8. a rotating shaft; 9. a mobile device; 10. crushing the stems; 11. a support bar; 12. fixing the rod; 13. a servo rotating motor; 14. a base plate; 15. moving the plate; 16. the threaded rod is rotated.
Detailed Description
A coal pulverizing apparatus for thermal power generation according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a coal pulverizing device for thermal power generation, which comprises a bin 1 and a controller 2, wherein the top of the bin 1 is provided with a feed inlet 3, the feed inlet 3 is in the shape of an inverted funnel, a pulverizing slot 4 is arranged inside the funnel, a limit sensor 5 is arranged inside the bin 1, a pulverizing motor 6 is arranged at the lower end of the feed inlet 3, the controller 2 is arranged on the bin 1 and is connected with the pulverizing motor 6, as shown in fig. 2, the pulverizing motor 6 comprises a rotating motor 7, a rotating shaft 8, a moving device 9, a plurality of pulverizing rods 10, a support rod 11 and a fixing rod 12, the rotating motor 7 is arranged inside the bin 1 through the fixing rod 12, the rotating shaft 8 is arranged on the rotating shaft of the motor, the rotating shaft 8 is provided with a track, the moving device 9 is arranged on the track of the rotating shaft 8, one end of the plurality of pulverizing rods 10 is movably connected with the top end of the rotating, the utility model discloses a crushing device, including strutting piece 11, mobile device 9, the other end of bracing piece, the other end carries out swing joint with crushing pole 10, the filter screen has been installed to crushing pole 10 between.
According to the above, wherein controller 2 includes control panel, control chip, digital output module, position control module and signal detection module, control panel can set up the parameter value, control chip and digital output module, position control module and signal detection module, digital output module links to each other with rotating motor 7, makes controller 2 can control the operation of rotating motor 7 through digital output module, position control module links to each other with mobile device 9, makes controller 2 can the operation of mobile device 9 through position control module, signal detection module links to each other with spacing sensor 5, makes controller 2 can be through detecting the parameter value in the spacing sensor 5.
According to the above, the limit sensor 5 includes a detection end and a signal transmission port, the detection end can detect whether coal is in the position of the bunker 1, and the signal transmission port is connected with the signal detection module of the controller 2 through a connection line, so that the limit sensor 5 transmits the detected signal into the controller 2.
According to the above, the rotating motor 7 includes a power input end and a control end, the power input end is connected to a power supply to provide power for the rotating motor 7, and the control end is connected to the digital output module of the controller 2 through a connecting wire, so that the controller 2 can automatically control the rotating motor 7 to operate.
As shown in fig. 3, the moving device 9 includes a servo rotating motor 13 and a rack, the servo rotating motor 13 is installed in the rack, the servo rotating motor 13 includes a power input end and a control end, the power input end is connected to a power supply to provide power for the mobile power supply, and the control end is connected to a position control module in the controller 2 through a connecting line, so that the controller 2 can automatically control the operation of the moving device 9.
According to the above, the rack includes a bottom plate 14, a moving plate 15 and a rotating threaded rod 16, the bottom plate 14 is provided with a plurality of fixing rods, the rotating threaded rod 16 is connected with a rotating shaft of the servo rotating motor 13, the moving plate 15 is provided with a plurality of through holes and is installed in the fixing rods, a threaded hole is formed in the middle of the moving plate 15 and is in threaded connection with the rotating threaded rod 16, and the upper end of the moving plate 15 is movably connected with the supporting rod 11. The control method of the structure is as follows: the controller 2 controls the servo rotating motor 13 to rotate, the rotating shaft of the servo rotating motor 13 rotates, and the rotating threaded rod 16 is controlled to rotate. Since the rotary screw 16 is screwed to the moving plate 15, when the rotary screw 16 rotates, the moving plate 15 moves up and down in the screw direction, and when the moving plate 15 is movably coupled to the support bar 11, the support bar 11 adjusts the position of the crushing bar 10 by adjusting the up and down position of the moving plate 15.
According to the above, wherein the grinding rod 10 is arc-shaped, and the rod body is provided with a plurality of grinding latch teeth, and the grinding latch teeth are provided with gaps between the grinding latch teeth and the latch teeth inside the bin 1. After the controller 2 operates the rotating motor 7, the rotating motor 7 drives the crushing rod 10 to rotate, and coal is extruded, polished and crushed between the clamping teeth of the crushing rod 10 and the clamping teeth inside the bin 1.
According to the above, wherein the screen is a mesh structure made of metal material, the pulverized coal is fed into the silo 1 in a grid between the metal materials.
The working principle of the coal crushing device for thermal power generation is as follows: according to the size of the coal to be crushed, the moving device 9 is operated in the controller 2 to adjust the distance between the crushing rod 10 and the latch on the inner wall of the storage bin 1. Coal is placed to the feed inlet 3 of feed bin 1, then drives crushing motor 6 operation, and under the effect of the extrusion collision of the latch on crushing pole 10 and the latch of feed bin 1 inside, coal decomposes into the fritter, and the undersize can fall into in the feed bin 1 from among the net of filter screen. The oversize coal is crushed by the filter screen and the latch inside the bunker 1 and is ground to be smaller until the oversize coal falls into the bunker 1 from the gap between the crushing rod 10 and the bunker 1. When the coal in the storage bin 1 reaches the position of the limit sensor 5, the controller receives the signal and sends a picture to prompt that the coal blocks are not placed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A coal crushing device for thermal power generation is characterized by comprising a bin and a controller, wherein the top of the bin is provided with a feed inlet, the feed inlet is in a shape of an inverted funnel, a crushing clamping groove is formed in the funnel, a limiting sensor is arranged in the bin, a crushing motor is arranged at the lower end of the feed inlet, the controller is arranged on the bin and is connected with the crushing motor, the crushing motor comprises a rotating motor, a rotating shaft, a moving device, a plurality of crushing rods, a support rod and a fixed rod, the rotating motor is arranged in the bin through the fixed rod, the rotating shaft is arranged on a rotating shaft of the motor, the rotating shaft is provided with a track, the moving device is arranged on the track of the rotating shaft, one end of each crushing rod is movably connected with the top end of the rotating shaft, one end of the support rod is movably connected with the moving device, the other end is movably connected with the crushing rods, and a filter screen is arranged between the crushing rods.
2. The coal pulverizing apparatus for thermal power generation as claimed in claim 1, wherein the controller includes a digital quantity output module connected to the rotating motor so that the controller can control the operation of the rotating motor through the digital quantity output module, a position control module connected to the moving means so that the controller can move the operation of the apparatus through the position control module, and a signal detection module connected to the limit sensor so that the controller can detect a parameter value in the limit sensor.
3. The coal pulverizing apparatus for thermal power generation as claimed in claim 2, wherein the limit sensor includes a signal transmission port, and the signal transmission port is connected to the signal detection module of the controller through a connection line.
4. The coal pulverizing apparatus for thermal power generation as claimed in claim 2, wherein the rotating motor includes a control terminal connected to the digital output module of the controller through a connection line.
5. The coal pulverizing apparatus for thermal power generation of claim 2, wherein the moving means comprises a servo rotating motor and a frame, the servo rotating motor is installed in the frame, the servo rotating motor comprises a control end, and the control end is connected with the position control module in the controller through a connecting wire.
6. The coal pulverizing apparatus for thermal power generation as claimed in claim 5, wherein the frame comprises a bottom plate, a movable plate and a rotary threaded rod, the bottom plate has a plurality of fixing rods, the rotary threaded rod is connected to a rotary shaft of a servo rotary motor, the movable plate has a plurality of through holes and is installed in the fixing rods, the movable plate has a threaded hole in the middle thereof for threaded connection with the rotary threaded rod, and the upper end of the movable plate is movably connected to the support rod.
7. The coal pulverizing apparatus for thermal power generation as claimed in claim 1, wherein the pulverizing rod is arc-shaped, and a plurality of pulverizing teeth are provided on the rod body, and the pulverizing teeth have a gap with the teeth inside the bunker.
8. The coal pulverizing apparatus for thermal power generation as claimed in claim 1, wherein the screen is a net structure made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747065.8A CN112007734B (en) | 2020-07-29 | 2020-07-29 | Coal crushing device for thermal power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747065.8A CN112007734B (en) | 2020-07-29 | 2020-07-29 | Coal crushing device for thermal power generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112007734A true CN112007734A (en) | 2020-12-01 |
| CN112007734B CN112007734B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747065.8A Active CN112007734B (en) | 2020-07-29 | 2020-07-29 | Coal crushing device for thermal power generation |
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| Country | Link |
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| CN (1) | CN112007734B (en) |
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| CN212396953U (en) * | 2020-07-29 | 2021-01-26 | 国网江苏省电力有限公司盐城供电分公司 | Coal crushing device for thermal power generation |
-
2020
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| CN205462431U (en) * | 2016-03-28 | 2016-08-17 | 范坤 | Dual coal reducing mechanism |
| CN108080069A (en) * | 2016-11-19 | 2018-05-29 | 镇江东城医疗器械有限公司 | A kind of Chinese medicine disintegrating washing machine |
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| Publication number | Publication date |
|---|---|
| CN112007734B (en) | 2024-05-28 |
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