Deslagging device for medium-speed coal mill
By designing the slag discharge device for medium-speed coal mills, and using the cooperation of the fixed plate and cylinder sliding frame, the problem of blockage of the slag discharge channel of medium-speed coal mills is solved, and the safe operation and convenient cleaning of the equipment are achieved.
Patent Information
- Application Number
- CN202422369668.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-27
AI Technical Summary
During the slag discharge process of medium-speed coal mills, the slag discharge passage is easily blocked, resulting in unsmooth slag discharge or equipment damage, and the existing technology is inconvenient to clean.
A slag discharge device including a conveying pipe, an upper connecting frame, a lower connecting frame, a split plate, a fixed plate, a collection bucket and a cylinder is designed. By moving the fixed plate and a cylinder, the sliding frame is driven by the sliding frame, and the cleaning of the conveying pipe and the connecting frame and the diversion and collection of waste slag are realized to avoid blockage.
Effectively prevent the conveyor pipe and connecting frame from being blocked, ensure smooth slag discharge, protect the equipment, simplify the cleaning process, and avoid the accumulation of waste slag that affects the discharge.
Smart Images
Figure CN223233989U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medium-speed coal mills, in particular to a slag discharge device for medium-speed coal mills. Background Art
[0002] A medium-speed coal mill is a coal mill with an operating speed of 50 to 300 r / min. It is a specialized equipment for preparing and processing auxiliary materials for blast furnace ironmaking. It can provide the appropriate auxiliary material - pulverized coal - for the blast furnace ironmaking system. The medium-speed coal mill is the most important large-scale equipment in the coal-to-liquids pulverizing system. Its operating safety and economy are extremely important to the normal operation of coal-to-liquids.
[0003] After the medium-speed coal mill finishes working, the waste slag in the medium-speed coal mill needs to be discharged. During the slag discharge process, if the slag discharge channel is blocked, it will cause the device to discharge slag unsmoothly or the equipment to be damaged. At present, the slag discharge channel is usually integrated, which is troublesome to clean and inconvenient for staff to clean the slag discharge channel.
[0004] Therefore, a slag discharge device for a medium-speed coal mill is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a slag discharge device for a medium-speed coal mill to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a slag discharge device for a medium-speed coal mill, comprising a placement table, a medium-speed coal mill body is fixedly arranged on the top surface of the placement table, a placement plate is fixedly arranged on the right side of the placement table, a slag discharge mechanism is arranged on the right side of the medium-speed coal mill body, and a material pushing mechanism is arranged above the placement table;
[0007] The slag discharge mechanism includes a connecting portion and a fixing portion;
[0008] The pushing mechanism includes a collecting part and a pushing part.
[0009] Preferably, the connecting part includes a conveying pipe, the left end of which passes through the medium-speed coal mill body and extends to the inside of the medium-speed coal mill body. An upper connecting frame is provided on the right side of the conveying pipe, and a lower connecting frame is provided below the upper connecting frame. The rear end of the upper connecting frame is hinged to the rear end of the lower connecting frame.
[0010] Preferably, the left side of the lower connecting frame is fixedly connected to the right side of the conveying pipe, and a diverter plate is fixedly provided on the inner wall of the lower connecting frame. The diverter plate is located in the center of the lower connecting frame, and the top surface of the diverter plate contacts the inner wall of the upper connecting frame.
[0011] Preferably, the fixing portion includes an L-shaped connecting frame, three of which are evenly arranged, the back of the L-shaped connecting frame is fixedly connected to the front of the lower connecting frame, a sliding groove is provided on the side surface of the upper end of the L-shaped connecting frame, a fixing plate is provided in the sliding groove, and the fixing plate is slidably connected to the inner wall of the sliding groove.
[0012] Preferably, a connecting rod is fixedly provided inside the fixed plate, and the connecting rod passes through the adjacent L-shaped connecting frame and is slidingly connected to the adjacent L-shaped connecting frame. A fixing spring is sleeved on the outer side of the connecting rod, and the front and rear ends of the fixing spring are fixedly connected to the L-shaped connecting frame and the fixed plate respectively.
[0013] Preferably, the collecting part includes a collecting bucket, the bottom surface of the collecting bucket is in contact with the placement plate, the left side of the collecting bucket is fixedly connected to the lower connecting frame, the top surface of the collecting bucket is provided with a connecting groove, a top plate is provided above the collecting bucket, a connecting plate is fixedly provided on the bottom surface of the top plate, and the connecting plate is adapted to the connecting groove.
[0014] Preferably, a collecting groove is provided on the front of the collecting bucket, and limiting grooves are provided on both sides of the collecting groove. The limiting grooves and the collecting groove are interconnected, and a blocking plate is provided in the collecting groove. Sliding rods are fixedly provided on both sides of the blocking plate. The sliding rods on the left and right sides are located inside the sliding grooves close to each other and are slidably connected to the inner walls of the sliding grooves close to each other.
[0015] Preferably, the pushing part includes a cylinder, the front of the cylinder is fixedly connected to the back of the collecting bucket, the cylinder output shaft passes through the collecting bucket and extends to the inside of the collecting bucket, an L-shaped sliding frame is fixedly provided on the front of the cylinder output shaft, the outer side surface of the L-shaped sliding frame is in contact with the inner wall of the collecting bucket and is slidably connected to the inner wall of the collecting bucket, and a telescopic rod is fixedly provided on the back of the L-shaped sliding frame, and the other end of the telescopic rod is fixedly connected to the inner wall of the collecting bucket.
[0016] Compared with the prior art, the beneficial effects of the present invention are: the slag discharge device for a medium-speed coal mill is
[0017] 1) Move the fixed plate to the front end so that it no longer presses against the upper connecting frame, and then move the upper connecting frame to facilitate the staff to clean the conveying pipe and the upper connecting frame, and avoid blockage in the conveying pipe and the upper connecting frame, which may lead to poor slag discharge or equipment damage. The diverter plate diverts the waste slag to avoid blockage in the upper and lower connecting frames due to excessive waste slag transportation.
[0018] 2) The cylinder drives the L-shaped sliding frame to move, so that the waste residue in the collection bucket moves to the front end of the collection bucket to prevent the waste residue from accumulating at the rear end and affecting the subsequent discharge of waste residue. When the L-shaped sliding frame moves, the feeding port of the collection bucket is closed to prevent the waste residue from falling to the rear of the L-shaped sliding frame and affecting the operation of the L-shaped sliding frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a three-dimensional view of the slag discharge mechanism of the utility model;
[0021] Figure 3 This is a three-dimensional view of the upper connecting frame and the lower connecting frame of the utility model;
[0022] Figure 4 This is an exploded diagram of the pusher mechanism of the utility model;
[0023] Figure 5 This is an exploded view of the cylinder and L-shaped sliding frame of the utility model.
[0024] In the figure: 1 placement table, 2 medium-speed coal mill body, 3 placement plate, 4 slag discharge mechanism, 41 conveying pipe, 42 upper connecting frame, 43 lower connecting frame, 44 diverter plate, 45 L-type connecting frame, 46 fixed plate, 47 connecting rod, 48 fixed spring, 5 pushing mechanism, 51 collecting bucket, 52 top plate, 53 connecting plate, 54 blocking plate, 55 sliding rod, 56 cylinder, 57 L-type sliding frame, 58 telescopic rod. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example
[0026] See also Figure 1-Figure 5 The utility model provides a technical solution: a slag discharge device for a medium-speed coal mill, comprising a placing table 1, a medium-speed coal mill body 2 is fixedly arranged on the top surface of the placing table 1, a placing plate 3 is fixedly arranged on the right side of the placing table 1, a slag discharge mechanism 4 is arranged on the right side of the medium-speed coal mill body 2, and a material pushing mechanism 5 is arranged above the placing table 1;
[0027] The slag discharge mechanism 4 includes a connecting portion and a fixing portion;
[0028] The pushing mechanism 5 includes a collecting portion and a pushing portion.
[0029] The connection portion includes a conveying pipe 41. The left end of the conveying pipe 41 passes through the medium-speed coal mill body 2 and extends into the interior of the medium-speed coal mill body 2. An upper connecting frame 42 is provided on the right side of the conveying pipe 41. A lower connecting frame 43 is provided below the upper connecting frame 42. The rear end of the upper connecting frame 42 is hinged to the rear end of the lower connecting frame 43.
[0030] The left side of the lower connecting frame 43 is fixedly connected to the right side of the delivery pipe 41. A diverter plate 44 is fixedly provided on the inner wall of the lower connecting frame 43. The diverter plate 44 is located in the center of the lower connecting frame 43. The top surface of the diverter plate 44 contacts the inner wall of the upper connecting frame 42.
[0031] The fixing portion includes an L-shaped connecting frame 45, three of which are evenly arranged. The back of the L-shaped connecting frame 45 is fixedly connected to the front of the lower connecting frame 43. A sliding groove is opened on the side surface of the upper end of the L-shaped connecting frame 45. A fixing plate 46 is provided in the sliding groove. The fixing plate 46 is slidably connected to the inner wall of the sliding groove.
[0032] A connecting rod 47 is fixedly provided inside the fixing plate 46. The connecting rod 47 passes through the adjacent L-shaped connecting frame 45 and is slidably connected to the adjacent L-shaped connecting frame 45. A fixing spring 48 is sleeved on the outer side of the connecting rod 47. The front and rear ends of the fixing spring 48 are fixedly connected to the L-shaped connecting frame 45 and the fixing plate 46 respectively.
[0033] Furthermore, in this embodiment, before discharging slag, the fixed plate 46 is moved to the front end so that the fixed plate 46 no longer presses against the upper connecting frame 42, and the upper connecting frame 42 can be moved. Conversely, the upper connecting frame 42 can be fixed, and the waste slag generated by the medium-speed coal mill body 2 during operation flows from the conveying pipe 41 into the upper connecting frame 42 and the lower connecting frame 43, and the diverter plates 44 in the upper connecting frame 42 and the lower connecting frame 43 divert the waste slag.
[0034] Furthermore, in this embodiment, the fixing plate 46 is moved to the front end so that the fixing plate 46 no longer presses against the upper connecting frame 42, and the upper connecting frame 42 can be moved, so that the staff can clean the conveying pipe 41 and the upper connecting frame 42 conveniently, thereby avoiding blockage in the conveying pipe 41 and the upper connecting frame 42, which may cause unsmooth slag discharge or equipment damage. The diverter plate 44 diverts the waste slag, thereby avoiding blockage in the upper connecting frame 42 and the lower connecting frame 43 due to excessive waste slag transportation. Example
[0035] See also Figure 1-Figure 5 , and on the basis of Example 1, it is further obtained that: the collecting portion includes a collecting bucket 51, the bottom surface of the collecting bucket 51 contacts the placement plate 3, the left side of the collecting bucket 51 is fixedly connected to the lower connecting frame 43, the top surface of the collecting bucket 51 is provided with a connecting groove, a top plate 52 is provided above the collecting bucket 51, and a connecting plate 53 is fixedly provided on the bottom surface of the top plate 52, and the connecting plate 53 is adapted to the connecting groove;
[0036] A collecting trough is provided on the front of the collecting hopper 51, and limiting grooves are provided on both sides of the collecting trough. The limiting grooves and the collecting trough are interconnected. A blocking plate 54 is provided in the collecting trough, and sliding rods 55 are fixedly provided on both sides of the blocking plate 54. The sliding rods 55 on the left and right sides are located inside the sliding trough adjacent to each other and are slidably connected to the inner wall of the sliding trough adjacent to each other.
[0037] The pushing portion includes a cylinder 56, the front of which is fixedly connected to the back of the collecting hopper 51, and the output shaft of the cylinder 56 passes through the collecting hopper 51 and extends into the interior of the collecting hopper 51. An L-shaped sliding frame 57 is fixedly provided on the front of the output shaft of the cylinder 56, and the outer side of the L-shaped sliding frame 57 is in contact with the inner wall of the collecting hopper 51 and is slidably connected to the inner wall of the collecting hopper 51. A telescopic rod 58 is fixedly provided on the back of the L-shaped sliding frame 57, and the other end of the telescopic rod 58 is fixedly connected to the inner wall of the collecting hopper 51.
[0038] Furthermore, the discharged waste residue of this embodiment is moved into the collection hopper 51, and the cylinder 56 drives the L-shaped sliding frame 57 to move, so that the waste residue in the collection hopper 51 moves to the front end of the collection hopper 51, and the sliding rod 55 is moved to remove the waste residue from the collection hopper 51;
[0039] Furthermore, in this embodiment, the cylinder 56 drives the L-shaped sliding frame 57 to move, so that the waste residue in the collecting bucket 51 is moved to the front end of the collecting bucket 51, so as to prevent the waste residue from accumulating at the rear end and affecting the subsequent discharge of the waste residue. When the L-shaped sliding frame 57 moves, the feed port of the collecting bucket 51 is closed to prevent the waste residue from falling to the rear of the L-shaped sliding frame 57 and affecting the operation of the L-shaped sliding frame 57.
[0040] When in use, before discharging slag, move the fixing plate 46 to the front end so that the fixing plate 46 no longer presses against the upper connecting frame 42, and then move the upper connecting frame 42, so that the staff can clean the conveying pipe 41 and the upper connecting frame 42 conveniently, and avoid the conveying pipe 41 and the upper connecting frame 42 from being blocked, which may cause the slag to be discharged unsmoothly or the equipment to be damaged. On the contrary, the upper connecting frame 42 can be fixed, and the waste slag generated by the medium-speed coal mill body 2 during operation flows from the conveying pipe 41 to the upper connecting frame 42 and the lower connecting frame 43, and the diverter plates 4 in the upper connecting frame 42 and the lower connecting frame 43 are 4. The waste residue is diverted to avoid excessive waste residue transportation causing blockage in the upper connecting frame 42 and the lower connecting frame 43. The discharged waste residue is moved to the collecting bucket 51. The cylinder 56 drives the L-shaped sliding frame 57 to move, so that the waste residue in the collecting bucket 51 is moved to the front end of the collecting bucket 51 to avoid waste residue accumulation at the rear end and thus affecting the subsequent discharge of waste residue. At the same time, when the L-shaped sliding frame 57 moves, the feed port of the collecting bucket 51 is closed to prevent waste residue from falling to the rear of the L-shaped sliding frame 57 and affecting the operation of the L-shaped sliding frame 57. The waste residue in the collecting bucket 51 can be taken out by moving the sliding rod 55.
[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A slag discharge device for a medium-speed coal mill, comprising a placement table (1), characterized in that: A medium-speed coal mill main body (2) is fixedly provided on the top surface of the placement platform (1), a placement plate (3) is fixedly provided on the right side of the placement platform (1), a slag discharge mechanism (4) is provided on the right side of the medium-speed coal mill main body (2), and a material pushing mechanism (5) is provided above the placement platform (1); The slag discharge mechanism (4) comprises a connecting portion and a fixing portion; The pushing mechanism (5) comprises a collecting part and a pushing part.
2. A slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: The connecting portion comprises a conveying pipe (41), the left end of which passes through the medium-speed coal mill body (2) and extends into the interior of the medium-speed coal mill body (2). An upper connecting frame (42) is provided on the right side of the conveying pipe (41), a lower connecting frame (43) is provided below the upper connecting frame (42), and a rear end of the upper connecting frame (42) is hinged to a rear end of the lower connecting frame (43).
3. A slag discharge device for a medium-speed coal mill according to claim 2, characterized in that: The left side of the lower connecting frame (43) is fixedly connected to the right side of the delivery pipe (41), and a diverter plate (44) is fixedly provided on the inner wall of the lower connecting frame (43). The diverter plate (44) is located at the center of the lower connecting frame (43), and the top surface of the diverter plate (44) contacts the inner wall of the upper connecting frame (42).
4. The slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: The fixing portion includes an L-shaped connecting frame (45), three of which are evenly arranged. The back of the L-shaped connecting frame (45) is fixedly connected to the front of the lower connecting frame (43). A sliding groove is provided on the side surface of the upper end of the L-shaped connecting frame (45), and a fixing plate (46) is provided in the sliding groove. The fixing plate (46) is slidably connected to the inner wall of the sliding groove.
5. The slag discharge device for a medium-speed coal mill according to claim 4, characterized in that: A connecting rod (47) is fixedly provided inside the fixing plate (46), and the connecting rod (47) passes through the adjacent L-shaped connecting frame (45) and is slidably connected to the adjacent L-shaped connecting frame (45). A fixing spring (48) is sleeved on the outer side of the connecting rod (47), and the front and rear ends of the fixing spring (48) are fixedly connected to the L-shaped connecting frame (45) and the fixing plate (46) respectively.
6. The slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: The collecting portion includes a collecting bucket (51), the bottom surface of the collecting bucket (51) contacts the placement plate (3), the left side of the collecting bucket (51) is fixedly connected to the lower connecting frame (43), the top surface of the collecting bucket (51) is provided with a connecting groove, a top plate (52) is provided above the collecting bucket (51), and a connecting plate (53) is fixedly provided on the bottom surface of the top plate (52), and the connecting plate (53) is adapted to the connecting groove.
7. A slag discharge device for a medium-speed coal mill according to claim 6, characterized in that: The collecting hopper (51) has a collecting groove on its front side, and limiting grooves are provided on both sides of the collecting groove. The limiting grooves and the collecting groove are interconnected, and a blocking plate (54) is provided in the collecting groove. Sliding rods (55) are fixedly provided on both sides of the blocking plate (54). The sliding rods (55) on the left and right sides are located inside the sliding groove adjacent to each other and are slidably connected to the inner wall of the sliding groove adjacent to each other.
8. The slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: The pushing portion includes a cylinder (56), the front of the cylinder (56) is fixedly connected to the back of the collecting bucket (51), the output shaft of the cylinder (56) passes through the collecting bucket (51) and extends to the inside of the collecting bucket (51), an L-shaped sliding frame (57) is fixedly provided on the front of the output shaft of the cylinder (56), the outer side surface of the L-shaped sliding frame (57) is in contact with the inner wall of the collecting bucket (51) and is slidably connected to the inner wall of the collecting bucket (51), and a telescopic rod (58) is fixedly provided on the back of the L-shaped sliding frame (57), and the other end of the telescopic rod (58) is fixedly connected to the inner wall of the collecting bucket (51).