CN216396630U - Medium speed pulverizer arranges cinder notch and blocks up detection device - Google Patents
Medium speed pulverizer arranges cinder notch and blocks up detection device Download PDFInfo
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- CN216396630U CN216396630U CN202120871051.7U CN202120871051U CN216396630U CN 216396630 U CN216396630 U CN 216396630U CN 202120871051 U CN202120871051 U CN 202120871051U CN 216396630 U CN216396630 U CN 216396630U
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- bevel gear
- slag discharge
- coal mill
- medium speed
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 239000003818 cinder Substances 0.000 title claims description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 239000002893 slag Substances 0.000 claims abstract description 40
- 239000003245 coal Substances 0.000 claims abstract description 35
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 244000309464 bull Species 0.000 claims 2
- 239000012535 impurity Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Crushing And Grinding (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a blockage detection device for a slag discharge port of a medium speed coal mill, which comprises a slag discharge pipeline and a cleaning device, wherein a first valve is arranged on the slag discharge pipeline, a temperature detector is arranged on one side of the cleaning device, a controller is arranged at the upper end of the temperature detector, the output end of a servo motor penetrates through a cleaning cavity and is provided with a first bevel gear, the other end of a connecting block is provided with a connecting rod through a bearing, a second bevel gear is arranged at the lower end of the connecting rod, a third bevel gear is arranged at the upper end of the connecting rod, a filter screen is fixedly arranged in the cleaning cavity, a rotating rod penetrates through a through groove and is provided with a fourth bevel gear, the cleaning brush is arranged at the other end of the rotating rod, and a second valve is arranged on a slag discharge pipeline. Effectively avoiding the damage of the coal mill due to the failure of normal slag discharge.
Description
Technical Field
The utility model relates to the technical field of thermal power plants adopting a medium-speed coal mill direct-fired pulverizing system, in particular to a blockage detection device for a slag discharge port of a medium-speed coal mill.
Background
Adopt medium speed coal pulverizer to blow the thermal power factory of formula powder process system directly, the rationale of powder process is: and raw coal is conveyed to a medium-speed coal mill in a quantitative weighing mode of a coal feeder, the coal mill grinds the raw coal, and pulverized coal with qualified fineness after grinding is blown into a hearth by primary air for combustion.
The raw coal fed into the coal mill inevitably contains impurities such as fine iron wires, small iron blocks, stones and the like, and the impurities cannot be ground into fine enough particles in the coal mill, so that the impurities are carried away by primary air and only can be discharged out of the coal mill through a slag discharge port by a slag discharge system. As the slag discharged from the slag discharge port of the coal mill inevitably contains filiform substances, floccules and cakes, the impurities can block the slag discharge port of the coal mill. The deslagging system of the coal mill is a completely closed and high-temperature system, and once the deslagging port is blocked, the deslagging cannot be normally carried out, and the damage to the coal mill can be caused by manual inspection discovery.
Refer to current chinese patent that publication number is CN210583886U, it discloses an environmental protection is with being convenient for clear up the pipeline filter screen of maintaining, belong to the pipeline filter equipment field, an environmental protection is with being convenient for clear up the pipeline filter screen of maintaining, including being located the filter screen body between first pipeline and the second pipeline, the equal fixedly connected with installation piece that corresponds each other in first pipeline and the second pipeline outer end, bolted connection is passed through to two installation pieces that correspond each other, a plurality of first fixture blocks of filter screen body right-hand member fixedly connected with, first pipeline inner wall is opened and is dug there is the first draw-in groove with first fixture block assorted, first pipeline is equipped with the support, a plurality of second fixture blocks of support outer end fixedly connected with, first fixture block right-hand member is opened and is dug there is the second draw-in groove with second fixture block assorted.
Foretell this kind of pipeline filter screen that environmental protection was convenient for clear up and is maintained can realize getting off the interception of threadiness rubbish such as thin cotton rope, hair, iron wire in the sewage through the interception net, effectively avoids this kind of rubbish to get into in the filtration pore of filter screen and twine between each filtration pore, the staff of being convenient for and clear up the maintenance to the filter screen. However, the pipeline filter screen convenient to clean and maintain still has some defects, impurities cannot be cleaned conveniently, and automatic control and cleaning cannot be performed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems mentioned in the background art, the utility model aims to provide a blockage detection device for a slag discharge port of a medium speed coal mill, so as to solve the problems mentioned in the background art.
The technical purpose of the utility model is realized by the following technical scheme:
a blockage detection device for a slag discharge port of a medium speed coal mill comprises a slag discharge pipeline and a cleaning device, wherein a first valve is arranged on the slag discharge pipeline, the cleaning device is arranged on the slag discharge pipeline, a temperature detector is arranged on one side of the cleaning device, a controller is arranged at the upper end of the temperature detector, the cleaning device comprises a servo motor, a connecting block, a cleaning cavity, a filter screen, a rotating rod and a cleaning brush, the servo motor is arranged on the outer side of the cleaning cavity, the output end of the servo motor penetrates through the cleaning cavity and is provided with a first bevel gear, one end of the connecting block is fixedly arranged in the cleaning cavity, the other end of the connecting block is provided with a connecting rod through a bearing, the lower end of the connecting rod is provided with a second bevel gear, the upper end of the connecting rod is provided with a third bevel gear, the filter screen is fixedly arranged in the cleaning cavity, and the filter screen is provided with a through groove, the rotating rod penetrates through the through groove to be provided with a fourth bevel gear, the other end of the rotating rod is provided with the cleaning brush, the lower end of the cleaning cavity is provided with a material discharging pipeline, and a second valve is arranged on the material discharging pipeline.
The outer wall of the slag discharge pipeline is fixedly provided with a fixed block, and the lower end of the fixed block is fixedly provided with the servo motor.
The first bevel gear is in meshed connection with the second bevel gear, and the third bevel gear is in meshed connection with the fourth bevel gear.
The controller is electrically connected with the temperature detector, the first valve, the second valve and the servo motor.
The temperature detector is characterized in that the upper end of the temperature detector is provided with a mounting groove, the controller is installed in the mounting groove in a clamping mode, and a mounting cover is arranged on the mounting groove.
The mounting cover is characterized in that sliding blocks are arranged on two sides of the mounting cover, sliding grooves are arranged on two sides of the mounting groove, the sliding blocks are connected in the sliding grooves in a sliding mode, and locking bolts are arranged on one sides of the sliding grooves.
The spring groove is formed in two sides of the mounting groove and runs through the spring groove, the insertion rod is arranged on the spring groove, the insertion rod is sleeved with a spring, a baffle is fixedly mounted on one side of the spring, and a pull block is fixedly mounted at one end of the insertion rod.
The two sides of the controller are provided with grooves, and the other end of the insertion rod is clamped in the grooves.
The utility model mainly has the following beneficial effects:
in the scheme, the blockage detection device for the slag discharge port of the medium-speed coal mill can conveniently clean impurities and automatically control cleaning, and effectively avoids the damage of the coal mill due to the incapability of normally discharging slag, when the blockage detection device for the slag discharge port of the medium-speed coal mill is used, the temperature is reduced when a slag discharge pipeline is blocked, when the temperature is detected to be low by the temperature detector, the controller can control the first valve to be closed and the second valve to be opened, the servo motor is started, the servo motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the connecting rod to rotate, the connecting rod drives the third bevel gear to rotate, the third bevel gear drives the fourth bevel gear to rotate, the fourth bevel gear drives the rotating rod to rotate, the rotating rod drives the cleaning brush to rotate and clean the impurities on the filter screen, the cleaned impurities are discharged from the discharge pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view of the controller mounting structure of the present invention;
fig. 4 is an enlarged view of fig. 3 at B.
Reference numerals:
1. a slag discharge pipeline; 2. a cleaning device; 3. a first valve; 4. a temperature detector; 5. a controller; 6. A servo motor; 7. connecting blocks; 8. cleaning the cavity; 9. a filter screen; 10. a rotating rod; 11. cleaning a brush; 12. A first bevel gear; 13. a connecting rod; 14. a second bevel gear; 15. a third bevel gear; 16. A through groove; 17. a fourth bevel gear; 18. a discharge pipe; 19. a second valve; 20. a fixed block; 21. mounting grooves; 22. installing a cover; 23. a slider; 24. a chute; 25. locking the bolt; 26. a spring slot; 27. an insertion rod; 28. a spring; 29. a baffle plate; 30. pulling the block; 31. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the utility model provides a blockage detection device for a slag discharge port of a medium speed coal mill, which comprises a slag discharge pipeline 1 and a cleaning device 2, wherein a first valve 3 is arranged on the slag discharge pipeline 1, the cleaning device 2 is arranged on the slag discharge pipeline 1, a temperature detector 4 is arranged on one side of the cleaning device 2, a controller 5 is arranged at the upper end of the temperature detector 4, the cleaning device 2 comprises a servo motor 6, a connecting block 7, a cleaning cavity 8, a filter screen 9, a rotating rod 10 and a cleaning brush 11, the servo motor 6 is arranged outside the cleaning cavity 8, the output end of the servo motor 6 penetrates through the cleaning cavity 8 and is provided with a first bevel gear 12, one end of the connecting block 7 is fixedly arranged in the cleaning cavity 8, the other end of the connecting block 7 is provided with a connecting rod 13 through a bearing, the lower end of the connecting rod 13 is provided with a second bevel gear 14, the upper end of the connecting rod 13 is provided with a third bevel gear 15, the filter screen 9 is fixedly arranged in the cleaning cavity 8, the filter screen 9 is provided with a through groove 16, the rotating rod 10 penetrates through the through groove 16 and is provided with a fourth bevel gear 17, the other end of the rotating rod 10 is provided with a cleaning brush 11, the lower end of the cleaning cavity 8 is provided with a material discharge pipeline 18, and the material discharge pipeline 18 is provided with a second valve 19.
Referring to fig. 4, since the fixing block 20 is fixedly installed on the outer wall of the slag discharging pipeline 1, and the servo motor 6 is fixedly installed at the lower end of the fixing block 20, the servo motor 6 can be installed and fixed.
Referring to fig. 4, since the first bevel gear 12 is engaged with the second bevel gear 14, and the third bevel gear 15 is engaged with the fourth bevel gear 17, the rotation of the rotating rod 10 by the servo motor 6 is facilitated.
Since the controller 5 is electrically connected to the temperature detector 4, the first valve 3, the second valve 19 and the servo motor 6, the electrical connection facilitates the controller 5 to control the temperature detector 4, the first valve 3, the second valve 19 and the servo motor 6.
Because mounting groove 21 has been seted up to thermodetector 4 upper end, controller 5 block is installed in mounting groove 21, is equipped with installation lid 22 on the mounting groove 21, so mounting groove 21 is convenient for controller 5 to install, and installation lid 22 can protect controller 5, increases controller 5 life.
Because the installation lid 22 both sides are equipped with slider 23, and the mounting groove 21 both sides are equipped with spout 24, and slider 23 sliding connection is in spout 24, and spout 24 one side is equipped with locking bolt 25, so be convenient for the dismantlement installation of installation lid 22, locking bolt 25 can be fixed installation lid 22.
Referring to fig. 3 and 4, the spring grooves 26 are formed in two sides of the mounting groove 21, the insertion rod 27 penetrates through the spring grooves 26, the insertion rod 27 is sleeved with the spring 28, the baffle 29 is fixedly mounted on one side of the spring 28, and the pull block 30 is fixedly mounted at one end of the insertion rod 27, so that the controller 5 is fixed by the insertion function under the action of the spring 28, and the controller 5 can be taken out by pulling the pull block 30.
Referring to fig. 1, since the controller 5 is provided with grooves 31 on both sides, and the other end of the insertion rod 27 is engaged in the groove 31, the controller 5 is easily engaged and fixed.
The utility model has the advantages that:
the blockage detection device for the slag discharge port of the medium speed coal mill can conveniently clean impurities and can automatically control cleaning, and effectively avoids the damage of the coal mill due to the incapability of normally discharging slag, when the blockage detection device for the slag discharge port of the medium speed coal mill is used, the temperature is reduced when a slag discharge pipeline 1 is blocked, when the temperature is detected by the temperature detector 4 to be low, the controller 5 controls the first valve 3 to be closed and the second valve 19 to be opened, the servo motor 6 is started, the servo motor 6 drives the first bevel gear 12 to rotate, the first bevel gear 12 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the connecting rod 13 to rotate, the connecting rod 13 drives the third bevel gear 15 to rotate, the third bevel gear 15 drives the fourth bevel gear 17 to rotate, the fourth bevel gear 17 drives the rotating rod 10 to rotate, the rotating rod 10 drives the cleaning brush 11 to rotate and clean, the impurities on the filter screen 9 can be cleaned, and the cleaned impurities are discharged from the discharge pipeline 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (8)
1. The middle speed coal mill slag discharge port blockage detection device comprises a slag discharge pipeline (1) and a cleaning device (2), and is characterized in that a first valve (3) is arranged on the slag discharge pipeline (1), the cleaning device (2) is arranged on the slag discharge pipeline (1), a temperature detector (4) is arranged on one side of the cleaning device (2), a controller (5) is installed at the upper end of the temperature detector (4), the cleaning device (2) comprises a servo motor (6), a connecting block (7), a cleaning cavity (8), a filter screen (9), a rotating rod (10) and a cleaning brush (11), the servo motor (6) is installed on the outer side of the cleaning cavity (8), the output end of the servo motor (6) penetrates through the cleaning cavity (8) and is provided with a first bevel gear (12), one end of the connecting block (7) is fixedly installed in the cleaning cavity (8), connecting rod (13) are installed through the bearing to connecting block (7) other end, connecting rod (13) lower extreme is equipped with second bevel gear (14), connecting rod (13) upper end is equipped with third bevel gear (15), filter screen (9) fixed mounting is in clearance chamber (8), be equipped with logical groove (16) on filter screen (9), bull stick (10) run through logical groove (16) are equipped with fourth bevel gear (17), bull stick (10) other end is equipped with clearance brush (11), clearance chamber (8) lower extreme is equipped with row's thing pipeline (18), be equipped with second valve (19) on row's thing pipeline (18).
2. The device for detecting the blockage of the slag discharging port of the medium speed coal mill according to claim 1, wherein a fixed block (20) is fixedly arranged on the outer wall of the slag discharging pipeline (1), and the servo motor (6) is fixedly arranged at the lower end of the fixed block (20).
3. The medium speed coal mill slag discharge hole blockage detection device according to claim 1, characterized in that the first bevel gear (12) is in meshed connection with the second bevel gear (14), and the third bevel gear (15) is in meshed connection with the fourth bevel gear (17).
4. The medium speed coal mill cinder notch blockage detection device of claim 1, characterized in that, the controller (5) with the temperature detector (4), the first valve (3), the second valve (19) and the servo motor (6) electric connection.
5. The medium speed coal mill cinder notch blockage detection device of claim 1, characterized in that, the upper end of thermodetector (4) has seted up mounting groove (21), controller (5) block mount is in mounting groove (21), be equipped with installation lid (22) on mounting groove (21).
6. The device for detecting the blockage of the slag discharging port of the medium speed coal mill is characterized in that sliding blocks (23) are arranged on two sides of the mounting cover (22), sliding grooves (24) are arranged on two sides of the mounting groove (21), the sliding blocks (23) are connected in the sliding grooves (24) in a sliding mode, and locking bolts (25) are arranged on one side of the sliding grooves (24).
7. The medium speed pulverizer slag discharging port blockage detection device according to claim 5, wherein spring grooves (26) are formed in two sides of the mounting groove (21), an insertion rod (27) penetrates through the spring grooves (26), the insertion rod (27) is sleeved with a spring (28), a baffle (29) is fixedly mounted on one side of the spring (28), and a pull block (30) is fixedly mounted at one end of the insertion rod (27).
8. The medium speed coal mill cinder notch blockage detection device of claim 7, characterized in that, controller (5) both sides offer recess (31), the other end block of inserted bar (27) is in recess (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120871051.7U CN216396630U (en) | 2021-04-26 | 2021-04-26 | Medium speed pulverizer arranges cinder notch and blocks up detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120871051.7U CN216396630U (en) | 2021-04-26 | 2021-04-26 | Medium speed pulverizer arranges cinder notch and blocks up detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216396630U true CN216396630U (en) | 2022-04-29 |
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ID=81281138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120871051.7U Active CN216396630U (en) | 2021-04-26 | 2021-04-26 | Medium speed pulverizer arranges cinder notch and blocks up detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216396630U (en) |
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2021
- 2021-04-26 CN CN202120871051.7U patent/CN216396630U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 232008 Luohe Town, Datong District, Huainan City, Anhui Province Patentee after: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Country or region after: China Address before: 232008 Luohe Power Plant, Luohe Town, Datong District, Huainan City, Anhui Province Patentee before: DATANG HUAINAN LUOHE POWER PLANT Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240517 Address after: 232000, 100 meters east of Luohe Police Station in Luohe Town, Datong District, Huainan City, Anhui Province Patentee after: Huainan Luohe Power Generation Co.,Ltd. Country or region after: China Address before: 232008 Luohe Town, Datong District, Huainan City, Anhui Province Patentee before: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Country or region before: China |