Direct blowing type pulverized coal preparation device

Abstract

The utility model discloses a direct blowing type pulverized coal preparation device, which relates to the technical field of pulverized coal preparation and comprises a working box body, a double-head motor is fixedly mounted on the inner side of the working box body, a screw rod is fixedly mounted at one output end of the double-head motor, the bottom end of the screw rod is rotatably mounted on the inner side of the working box body, and the bottom end of the screw rod is rotatably mounted on the working box body. According to the direct blowing type pulverized coal preparation device, through movement of a containing plate, the containing plate can slide to two transverse plates on the outer sides of two sliding rods, then the two transverse plates and the sliding rods are driven to move along with the containing plate, and therefore two L-shaped plates and a fixing ring and a grinding bowl assembly between the two L-shaped plates are driven to move, the grinding bowl assembly is disengaged from the top of a polygonal block; and when the device moves to an outlet position, a pull handle is pulled to drive two sliding rods to slide, so that two L-shaped plates, a fixing ring between the two L-shaped plates and a polishing bowl assembly are driven to slide outwards, the polishing bowl assembly is moved out of the outer side of the device at the moment, a worker can conveniently store and take materials, and the using effect of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal powder preparation technology, and specifically relates to a direct-fired coal powder preparation device. BACKGROUND

[0002] Coal mills are commonly used in the preparation of coal powder. Coal mills are a kind of equipment specially used for grinding coal powder into fine powder, and are widely used in power, metallurgy, building materials and other industries, especially in thermal power plants. The main function of the coal mill is to grind raw coal into coal powder suitable for combustion to improve combustion efficiency and reduce pollutant emissions.

[0003] The utility model discloses a kind of positive pressure direct-fired bowl type medium-speed coal mills with the publication number CN217663770U, including work bin;Mobile structure, the inside one side of work bin is equipped with mobile structure, and mobile structure includes first motor, the first motor and work bin are fixedly connected;Bowl type structure, the bottom of the inside of work bin is equipped with bowl type structure, and bowl type structure includes second motor, the second motor and work bin are connected.

[0004] In the above scheme, although there are many benefits, but also there are the following defects: when using, although the equipment can effectively carry out grinding treatment to the coal block placed, when feeding and taking material, it is from the top of work bin to feed and take material, it is easy to be blocked by grinding plate part and lead to difficult to feed and take material, affect the use effect of device. Utility model content

[0005] The utility model aims at providing a kind of direct-fired coal powder preparation device, to solve the problem that when feeding and taking material in prior art is from the top of work bin to feed and take material, it is easy to be blocked by grinding plate part and lead to difficult to feed and take material, affect the use effect of device.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A direct-fired pulverized coal preparation device, including the work box, the inner side fixed mounting of work box has double -end motor, one of the output ends of double -end motor fixed mounting has screw rod, the bottom end rotationally installed in the inner side of work box of screw rod, the outside screw thread of screw rod is connected with moving plate, the side fixed mounting of moving plate has the placing plate, the top fixed mounting of placing plate has no.

[0007] Preferably, the inner side of the work box is fixedly installed with a No. 2 motor at the bottom position, the output end of the No. 2 motor is fixedly installed with a polygonal block, the bottom of the polishing bowl assembly is provided with a polygonal clamping groove, the polygonal block and the polygonal clamping groove are adaptively matched, the polygonal clamping groove opened at the bottom of the polishing bowl assembly can effectively cooperate with the polygonal block, when the polygonal block is clamped into the polygonal clamping groove, the No. 2 motor is started to drive the polygonal block to rotate, so that the polishing bowl assembly can be rotated together.

[0008] Preferably, the inner side of the work box is fixedly installed with two fixed plates, and the moving plate is arranged between the two fixed plates and in sliding contact with the two fixed plates.

[0009] Preferably, the side of the work box is provided with an opening and closing structure, the opening and closing structure comprises a No. 1 bevel gear, the No. 1 bevel gear is rotatably installed on the top of the work box, the other output end of the double-end motor penetrates the work box and is fixedly connected with the No. 1 bevel gear, two fixed seats are fixedly installed on the top of the work box, a connecting shaft is rotatably installed between the two fixed seats, a No. 2 bevel gear is fixedly installed on one end of the connecting shaft penetrating one of the fixed seats, and the No. 1 bevel gear and the No. 2 bevel gear are meshingly connected.

[0010] Preferably, a main gear is rotatably installed on the side of the work box, chain wheels are fixedly installed on one end of the other fixed seat and one side of the main gear penetrating the other fixed seat, chains are sleeved on the outer sides of the two chain wheels, and the two chain wheels are drivingly connected through the chains.

[0011] Preferably, the outer side of the main gear is connected with a rack, one side of the rack is fixedly provided with a baffle, one side of the working box body is provided with a first sliding groove, and the baffle is arranged in the first sliding groove and in sliding contact with the working box body.

[0012] Preferably, the upper and lower sides of the first sliding groove are both formed with a second sliding groove, and the upper and lower sides of the baffle are both fixedly provided with a limiting plate, and the two limiting plates are respectively arranged in the two second sliding grooves and in sliding contact with the working box body.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 through the movement of the placing plate, the placing plate will slide to the two horizontal plates outside the two sliding rods, then drive the two horizontal plates and the sliding rods to move, thereby drive the two L-shaped plates, the fixing ring and the polishing bowl assembly between the two L-shaped plates to move, so that the polishing bowl assembly is separated from the top of the polygonal block, when moving to the outlet position, pull the handle to drive the two sliding rods to slide, thereby drive the two L-shaped plates, the fixing ring and the polishing bowl assembly between the two L-shaped plates to slide outward, at this time, the polishing bowl assembly will move out of the device outside, facilitate the staff to store and take materials, effectively improve the use effect of the device.

[0015] 2、 through the other output end of the double-head motor, drive the primary bevel gear to rotate, thereby drive the secondary bevel gear to rotate in meshing, then drive one of the sprockets to rotate through the connecting shaft, then drive the other sprocket to rotate through the chain, so that the main gear rotates, thereby drive the rack to rotate in meshing, so that the baffle moves, and the opening position of the working box body is opened, without manual opening and closing by the staff, improve the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of the direct-fired coal powder preparation device;

[0017] Figure 2 It is an overall structure sectional view of the direct-fired coal powder preparation device;

[0018] Figure 3 It is an opening and closing structure schematic view of the direct-fired coal powder preparation device;

[0019] Figure 4 It is a movement structure schematic view of the direct-fired coal powder preparation device.

[0020] Numbered in the diagram: 1. Working box; 101. Fixing plate; 2. Dual-head motor; 3. Lead screw; 4. Moving plate; 5. Placement plate; 6. Motor No. 1; 7. Grinding plate; 8. Bevel gear No. 1; 9. Fixing seat; 10. Connecting shaft; 11. Bevel gear No. 2; 12. Main gear; 13. Sprocket; 14. Chain; 15. Baffle; 16. Rack; 17. Limiting plate; 18. Slide rod; 19. Horizontal plate; 20. L-shaped plate; 21. Fixing ring; 22. Grinding bowl assembly; 23. Pull handle; 24. Motor No. 2; 25. Polygonal block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for a direct-fired pulverized coal preparation device, including a working box 1. A double-headed motor 2 is fixedly installed inside the working box 1. A lead screw 3 is fixedly installed at one output end of the double-headed motor 2. The bottom end of the lead screw 3 is rotatably installed inside the working box 1. A moving plate 4 is threadedly connected to the outer side of the lead screw 3. A placement plate 5 is fixedly installed on one side of the moving plate 4. A first motor 6 is fixedly installed on the top of the placement plate 5. A grinding plate 7 is fixedly installed through the output end of the first motor 6 through the placement plate 5. A moving plate 7 is provided on one side of the placement plate 5. The moving structure includes two slide rods 18, with a horizontal plate 19 fixedly installed on the outer side of each slide rod 18. The placement plate 5 has two third sliding grooves, and the two slide rods 18 are respectively set inside the two third sliding grooves and slide in contact with the placement plate 5. An L-shaped plate 20 is fixedly installed on one side of each slide rod 18, and a fixing ring 21 is fixedly installed between the two L-shaped plates 20. A grinding bowl assembly 22 is installed in the middle of the fixing ring 21 through a bearing. A handle 23 is fixedly installed on one side of each L-shaped plate 20, and one side of the handle 23 slides in contact with the work box 1.

[0023] A second motor 24 is fixedly installed on the bottom side of the inner side of the working box 1. A polygonal block 25 is fixedly installed at the output end of the second motor 24. A polygonal slot is opened at the bottom of the grinding bowl assembly 22. The polygonal block 25 and the polygonal slot are compatiblely matched.

[0024] Two fixed plates 101 are fixedly installed on the inner side of the working box 1, and the movable plate 4 is disposed between the two fixed plates 101 and slides in contact with the two fixed plates 101.

[0025] One side of the working box body 1 is provided with an opening and closing structure, the opening and closing structure comprises a bevel gear 8, the bevel gear 8 is rotatably installed on the top of the working box body 1, the other output end of the double-head motor 2 penetrates the working box body 1 and is fixedly connected with the bevel gear 8, two fixed seats 9 are fixedly installed on the top of the working box body 1, a connecting shaft 10 is rotatably installed between the two fixed seats 9, a bevel gear 11 is fixedly installed on one end of the connecting shaft 10 penetrating one of the fixed seats 9, and the bevel gear 8 and the bevel gear 11 are meshed and connected.

[0026] A main gear 12 is rotatably installed on one side of the working box body 1, chain wheels 13 are fixedly installed on one end of the connecting shaft 10 penetrating the other fixed seat 9 and one side of the main gear 12, chain belts 14 are sleeved on the outer sides of the two chain wheels 13, and the two chain wheels 13 are drivingly connected through the chain belts 14.

[0027] The outer side of the main gear 12 is meshed and connected with a rack 16, the rack 16 is fixedly installed on one side of the baffle 15, a first sliding groove is formed in one side of the working box body 1, and the baffle 15 is arranged in the first sliding groove and in sliding contact with the working box body 1.

[0028] Second sliding grooves are formed on the upper and lower sides of the first sliding groove, limit plates 17 are fixedly installed on the upper and lower sides of the baffle 15, and the two limit plates 17 are arranged in the two second sliding grooves and in sliding contact with the working box body 1.

[0029] It should be noted that the utility model is a direct-fired pulverized coal preparation device, when in use, the first motor 6 and the second motor 24 are started, the type of the first motor 6 and the second motor 24 is not specifically described, and the equipment is adapted, the first motor 6 drives the polishing plate 7 to rotate clockwise, the second motor 24 drives the polishing bowl assembly 22 to rotate counterclockwise through the polygon block 25, and the coal blocks placed in the polishing bowl assembly 22 are ground;

[0030] When the coal block grinding is completed, the first motor 6 and the second motor 24 are stopped, the double-head motor 2 is started, the type of the double-head motor 2 is not specifically described, and the double-head motor 2 is adapted to the equipment, the output end of one side of the double-head motor 2 drives the lead screw 3 to rotate, thereby driving the moving plate 4 and the placing plate 5 on one side of the moving plate 4 to move, with the movement of the placing plate 5, the placing plate 5 slides to the two horizontal plates 19 outside the two slide rods 18, then drives the two horizontal plates 19 and the slide rods 18 to move, thereby driving the two L-shaped plates 20, the fixing rings 21 between the two L-shaped plates 20 and the polishing bowl assembly 22 to move, so that the polishing bowl assembly 22 is separated from the top of the polygonal block 25, when moving to the outlet position, pulling the handle 23 drives the two slide rods 18 to slide, thereby driving the two L-shaped plates 20, the fixing rings 21 between the two L-shaped plates 20 and the polishing bowl assembly 22 to slide outwards, at this time, the polishing bowl assembly 22 is moved out of the device outside, so as to facilitate the staff to store and take materials, and effectively improve the use effect of the device;

[0031] In the process of the moving plate 4 rising, the other output end of the double-head motor 2 drives the first bevel gear 8 to rotate, thereby driving the second bevel gear 11 to mesh and rotate, then driving one of the chain wheels 13 to rotate through the connecting shaft 10, then driving the other chain wheel 13 to rotate through the chain 14, so that the main gear 12 rotates, thereby driving the rack 16 to mesh and move, so as to drive the baffle 15 to move, thereby opening the opening position of the working box body 1, without the need for the staff to manually open and close, and the practicability of the device is improved.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than by the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A direct-fired pulverized coal preparation device, characterized in that: The system includes a working housing (1), on the inner side of which a dual-head motor (2) is fixedly installed. A lead screw (3) is fixedly installed at one output end of the dual-head motor (2). The bottom end of the lead screw (3) is rotatably installed on the inner side of the working housing (1). A moving plate (4) is threadedly connected to the outer side of the lead screw (3). A placement plate (5) is fixedly installed on one side of the moving plate (4). A first motor (6) is fixedly installed on the top of the placement plate (5). A grinding plate (7) is fixedly installed through the placement plate (5) at the output end of the first motor (6). A moving structure is provided on one side of the placement plate (5). The moving structure includes... Two slide rods (18) are provided, and a cross plate (19) is fixedly installed on the outer side of each slide rod (18). The placement plate (5) has two third slide grooves. The two slide rods (18) are respectively set inside the two third slide grooves and slide in contact with the placement plate (5). An L-shaped plate (20) is fixedly installed on one side of each slide rod (18). A fixing ring (21) is fixedly installed between the two L-shaped plates (20). A grinding bowl assembly (22) is installed in the middle of the fixing ring (21) through a bearing. A handle (23) is fixedly installed on one side of each L-shaped plate (20). One side of the handle (23) slides in contact with the work box (1).

2. The direct-fired pulverized coal preparation device according to claim 1, characterized in that: A second motor (24) is fixedly installed on the bottom side of the inner side of the working box (1). A polygonal block (25) is fixedly installed at the output end of the second motor (24). A polygonal slot is opened at the bottom of the grinding bowl assembly (22). The polygonal block (25) and the polygonal slot are compatiblely matched.

3. The direct-fired pulverized coal preparation device according to claim 1, characterized in that: Two fixed plates (101) are fixedly installed on the inner side of the working box (1), and the movable plate (4) is disposed between the two fixed plates (101) and slides in contact with the two fixed plates (101).

4. The direct-fired pulverized coal preparation device according to claim 1, characterized in that: The working box (1) has an opening and closing structure on one side, which includes a first bevel gear (8). The first bevel gear (8) is rotatably mounted on the top of the working box (1). The other output end of the dual-head motor (2) passes through the working box (1) and is fixedly connected to the first bevel gear (8). Two fixed seats (9) are fixedly mounted on the top of the working box (1). A connecting shaft (10) is rotatably mounted between the two fixed seats (9). One end of the connecting shaft (10) passes through one of the fixed seats (9) and a second bevel gear (11) is fixedly mounted thereon. The first bevel gear (8) and the second bevel gear (11) are meshed together.

5. The direct-fired pulverized coal preparation device according to claim 4, characterized in that: A main gear (12) is rotatably mounted on one side of the working box (1). A sprocket (13) is fixedly mounted on one end of the connecting shaft (10) through another fixed seat (9) and on one side of the main gear (12). A chain (14) is sleeved on the outside of the two sprockets (13), and the two sprockets (13) are connected by the chain (14).

6. The direct-fired pulverized coal preparation device according to claim 5, characterized in that: The main gear (12) is meshed with a rack (16) on its outer side. A baffle (15) is fixedly installed on one side of the rack (16). A first sliding groove is provided on one side of the working box (1). The baffle (15) is located inside the first sliding groove and slides in contact with the working box (1).

7. A direct-fired pulverized coal preparation device according to claim 6, characterized in that: The first slide groove has a second slide groove formed on both the upper and lower sides. The baffle (15) has a limit plate (17) fixedly installed on both the upper and lower sides. The two limit plates (17) are respectively set inside the two second slide grooves and slide in contact with the working box (1).

Images