Movable deslagging device of medium-speed coal mill

Abstract

The utility model discloses a movable deslagging device of a medium-speed coal mill, which relates to the technical field of milling and crushing equipment medium-speed coal mills and comprises a movable plate, H-shaped rollers are fixedly mounted on the periphery of the bottom of the movable plate, two deslagging guide rails are arranged below the movable plate, and the H-shaped rollers are fixedly mounted on the movable plate. And the four H-shaped rollers are respectively positioned on the two deslagging guide rails. When two of the H-shaped rollers touch the limiting plates, the position of the collecting box is the falling position of the coal gangue, operation is easy and convenient, the collecting box does not need to be adjusted and moved many times, and it is ensured that the coal gangue completely falls into the collecting box; during deslagging, slag is accumulated on one side of the interior of the collecting box, the collecting box and the collecting cover are driven to shake back and forth by starting the telescopic mechanism, the collecting box moves back and forth to enable the four moving wheels to roll back and forth in the two moving grooves, and therefore the accumulated materials can be balanced due to back and forth shaking of the collecting box and the collecting cover; therefore, slag can be conveniently received.

Description

Technical Field

[0001] The utility model relates to the technical field of medium-speed coal mills for pulverizing and crushing equipment, in particular to a movable slag discharge device for medium-speed coal mills. Background Art

[0002] Medium-speed coal mill equipment used in coal-fired power plants, chemical plants or steel smelters grinds raw coal into coal powder of a certain fineness and discharges coal gangue into a slag box.

[0003] In the past, when workers put the ordinary slag box back to its original position after emptying it, they needed to manually adjust the position repeatedly to ensure that the coal gangue fell accurately into the slag box. This installation method is time-consuming, and during the slag discharge process, the slag is easily accumulated on one side of the slag box, which is inconvenient for loading. For this reason, the present application discloses a movable slag discharge device for a medium-speed coal mill to meet people's needs. Utility Model Content

[0004] The purpose of the present application is to provide a movable slag discharge device for a medium-speed coal mill to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a movable slag discharge device for a medium-speed coal mill, comprising a movable plate, H-shaped rollers are fixedly installed at positions around the bottom of the movable plate, two slag discharge guide rails are arranged below the movable plate, and four H-shaped rollers are respectively located on the two slag discharge guide rails, the movable plate is installed with a collecting box located at the top of the movable plate through a telescopic mechanism, a collecting cover is fixedly installed on the top of the collecting box, the other four side portions of the collecting cover except the top and the bottom are all inclined, a through hole is opened on an inclined side portion of the collecting cover, a fixed plate is fixedly installed on the top of the movable plate through an L-shaped fixing rod, the width of the fixed plate is greater than the width of the collecting box, the position of the fixed plate corresponds to that of the through hole, the fixed plate contacts with the side of the collecting cover, a feed port is installed on the side of the fixed plate, and the area of ​​the through hole is greater than the area of ​​the feed port.

[0006] Preferably, the telescopic mechanism comprises a telescopic cylinder fixedly mounted on the bottom of the movable plate, an L-shaped connecting rod is fixedly mounted on the output end of the telescopic cylinder, and the top end of the L-shaped connecting rod is fixedly connected to the side of the collecting box.

[0007] Preferably, a power supply and a controller are fixedly mounted on the bottom of the movable plate, the controller is connected to the telescopic cylinder, and the telescopic cylinder and the controller are connected to the power supply.

[0008] Preferably, a U-shaped rod is fixedly installed on the side of the collection box, a movable hole is opened on the top of the U-shaped rod, and the L-shaped fixed rod is slidably installed in the movable hole.

[0009] Preferably, four moving wheels are fixedly installed on the bottom of the collection box, and two moving grooves are opened on the top of the moving plate, two of the moving wheels are in contact with the bottom inner wall of one of the moving grooves, and the other two moving wheels are in contact with the bottom inner wall of the other moving groove.

[0010] Preferably, limit plates are fixedly installed on the tops of the two slag discharge guide rails, and the two limit plates correspond to the positions of the two H-shaped rollers respectively.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] The utility model has a reasonable structure. When in use, materials are fed through the feed port and loaded through the collecting box and the collecting cover. The collecting box can be moved on two slag discharge guide rails by means of four H-shaped rollers. When two of the H-shaped rollers touch the limit plates, the position of the collecting box at this time is the position where the coal gangue falls into. The operation is simple and convenient, and there is no need to adjust the moving collecting box multiple times to ensure that the coal gangue falls completely into the collecting box.

[0013] The utility model has a reasonable structure. When discharging slag, the slag is accumulated on one side of the collecting box. The collecting box and the collecting cover are driven to swing back and forth by starting the telescopic mechanism. The collecting box moves back and forth so that the four moving wheels roll back and forth in the two moving grooves. The accumulated materials can be balanced due to the back and forth swinging of the collecting box and the collecting cover, thereby facilitating the collection of the slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic diagram of a three-dimensional structure from a first viewing angle of an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of a three-dimensional structure from a first viewing angle of an embodiment of the present application;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 It is a side view of an embodiment of the present application.

[0019] In the figure: 1. Slag discharge guide rail; 2. Moving plate; 3. H-shaped roller; 4. Limiting plate; 5. Collecting box; 6. Collecting cover; 7. L-shaped fixing rod; 8. Fixing plate; 9. Feeding port; 10. U-shaped rod; 11. Moving hole; 12. Moving groove; 13. Moving wheel; 14. Telescopic cylinder; 15. L-shaped connecting rod; 16. Power supply; 17. Controller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] refer to Figure 1-Figure 4 The movable slag discharge device of a medium-speed coal mill shown in the figure comprises a movable plate 2, H-shaped rollers 3 are fixedly installed at positions around the bottom of the movable plate 2, two slag discharge guide rails 1 are arranged below the movable plate 2, and four H-shaped rollers 3 are respectively located on the two slag discharge guide rails 1, and the movable plate 2 is installed with a collecting box 5 located at the top of the movable plate 2 through a telescopic mechanism, and a collecting cover 6 is fixedly installed on the top of the collecting box 5, and the other four side portions of the collecting cover 6 except the top and the bottom are all inclined, and a through hole is opened on an inclined side portion of the collecting cover 6, and a fixed plate 8 is fixedly installed on the top of the movable plate 2 through an L-shaped fixing rod 7, and the width of the fixed plate 8 is greater than the width of the collecting box 5, and the fixed plate 8 corresponds to the position of the through hole, and the fixed plate 8 contacts with the side of the collecting cover 6, and a feed port 9 is installed on the side of the fixed plate 8, and the area of ​​the through hole is greater than the area of ​​the feed port 9. During the movement of the collecting box 5, the feed port 9 is always located inside the through hole. The advantage of such a setting is that the discharge position does not need to be moved, so that the collecting box 5 can be shaken.

[0023] By means of the above structure: when discharging slag, the slag is accumulated on one side inside the collecting box 5, and the collecting box 5 and the collecting cover 6 are driven to swing back and forth by starting the telescopic mechanism. The collecting box 5 moves back and forth so that the four moving wheels 13 roll back and forth in the two moving grooves 12, so that the accumulated materials can be balanced due to the back and forth swinging of the collecting box 5 and the collecting cover 6, thereby facilitating the receiving of the slag.

[0024] The telescopic mechanism includes a telescopic cylinder 14 fixedly mounted on the bottom of the moving plate 2, and an L-shaped connecting rod 15 is fixedly mounted on the output end of the telescopic cylinder 14. The top of the L-shaped connecting rod 15 is fixedly connected to the side of the collecting box 5.

[0025] Example 2

[0026] A power supply 16 and a controller 17 are fixedly mounted on the bottom of the moving plate 2, the controller 17 is connected to the telescopic cylinder 14, and the telescopic cylinder 14 and the controller 17 are connected to the power supply 16. The telescopic cylinder 14 can be controlled by the controller.

[0027] A U-shaped rod 10 is fixedly installed on the side of the collection box 5, and a moving hole 11 is opened on the top of the U-shaped rod 10. The L-shaped fixed rod 7 is slidably installed in the moving hole 11. By setting the moving hole 11, the U-shaped rod 11 can be limited.

[0028] Four moving wheels 13 are fixedly mounted on the bottom of the collection box 5, and two moving grooves 12 are opened on the top of the moving plate 2, wherein two moving wheels 13 are in contact with the bottom inner wall of one of the moving grooves 12, and the other two moving wheels 13 are in contact with the bottom inner wall of the other moving groove 12. By setting the moving wheels 13, the moving wheels 13 roll back and forth during the back and forth movement of the collection box 5.

[0029] The tops of the two slag discharge guide rails 1 are fixedly installed with limit plates 4, and the two limit plates 4 correspond to the positions of the two H-shaped rollers 3. When in use, feed materials through the feed port 9, and can be loaded through the collection box 5 and the collection cover 6. The collection box 5 can be moved on the two slag discharge guide rails 1 through the four H-shaped rollers 3. When two of the H-shaped rollers 3 touch the limit plates 4, the position of the collection box 5 at this time is the position where the gangue falls in. The operation is simple and convenient, and there is no need to adjust the moving collection box 5 multiple times to ensure that the gangue falls completely into the collection box 5.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A movable slag discharge device for a medium-speed coal mill, comprising a movable plate (2), characterized in that: H-shaped rollers (3) are fixedly mounted on the four sides of the bottom of the movable plate (2); two slag discharge guide rails (1) are arranged below the movable plate (2); the four H-shaped rollers (3) are respectively located on the two slag discharge guide rails (1); the movable plate (2) is provided with a collection box (5) located on the top of the movable plate (2) through a telescopic mechanism; a collection cover (6) is fixedly mounted on the top of the collection box (5); and the other four sides of the collection cover (6) except the top and the bottom are inclined. The collecting cover (6) is arranged obliquely, and a through hole is provided on an inclined side portion thereof. A fixing plate (8) is fixedly installed on the top of the movable plate (2) via an L-shaped fixing rod (7). The width of the fixing plate (8) is greater than the width of the collecting box (5). The fixing plate (8) corresponds to the position of the through hole. The fixing plate (8) contacts the side portion of the collecting cover (6). A feed port (9) is installed on the side portion of the fixing plate (8). The area of ​​the through hole is greater than the area of ​​the feed port (9).

2. The movable slag discharge device of a medium-speed coal mill according to claim 1, characterized in that: The telescopic mechanism comprises a telescopic cylinder (14) fixedly mounted on the bottom of the movable plate (2); an L-shaped connecting rod (15) is fixedly mounted on the output end of the telescopic cylinder (14); and the top end of the L-shaped connecting rod (15) is fixedly connected to the side of the collection box (5).

3. The movable slag discharge device of a medium-speed coal mill according to claim 2, characterized in that: A power source (16) and a controller (17) are fixedly mounted on the bottom of the movable plate (2); the controller (17) is connected to the telescopic cylinder (14); and the telescopic cylinder (14) and the controller (17) are connected to the power source (16).

4. The movable slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: A U-shaped rod (10) is fixedly mounted on the side of the collection box (5), a movable hole (11) is opened on the top of the U-shaped rod (10), and the L-shaped fixed rod (7) is slidably mounted in the movable hole (11).

5. The movable slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: Four moving wheels (13) are fixedly mounted on the bottom of the collecting box (5), and two moving grooves (12) are opened on the top of the moving plate (2), wherein two of the moving wheels (13) are in contact with the bottom inner wall of one of the moving grooves (12), and the other two of the moving wheels (13) are in contact with the bottom inner wall of another of the moving grooves (12).

6. The movable slag discharge device for a medium-speed coal mill according to claim 1, characterized in that: Limiting plates (4) are fixedly mounted on the tops of the two slag discharge guide rails (1), and the two limiting plates (4) correspond to the positions of the two H-shaped rollers (3) respectively.

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