CN112791778A

CN112791778A - Multistage coal pulverizer for coal processing

Info

Publication number: CN112791778A
Application number: CN202011501275.5A
Authority: CN
Inventors: 麻洁
Original assignee: Ametech Jiangsu Heavy Industry Technology Co ltd
Current assignee: Ametech Jiangsu Heavy Industry Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-05-14
Anticipated expiration: 2040-12-18
Also published as: CN112791778B

Abstract

The invention discloses a multi-stage coal mill for coal processing, which belongs to the technical field of coal processing and comprises a bottom plate, wherein a coal mill main body component is arranged above the bottom plate, a crushing component is arranged on one side of the coal mill main body component, a plurality of supporting legs are arranged below the crushing component and close to the edge of the crushing component, a drying device is arranged above the crushing component, and the drying device comprises a top cover, a spraying hopper, a gas transmission cavity, a cylinder, a connecting frame, a socket, a heating plate, a heat conduction shell, a drying frame, a connecting pipe, a processing box, an electric heating rod, an installing plate, a silica gel drying agent, a mesh cylinder and a fan; according to the invention, the top cover, the spraying hopper, the air conveying cavity, the air cylinder, the connecting frame, the socket, the heating plate, the heat conducting shell, the drying frame, the connecting pipe, the processing box, the electric heating rod, the mounting plate, the silica gel drying agent and the net barrel are arranged, so that the coal mill can effectively dry coal blocks, and the practicability of the coal mill is improved.

Description

Multistage coal pulverizer for coal processing

Technical Field

The invention belongs to the technical field of coal processing, and particularly relates to a multi-stage coal mill for coal processing.

Background

Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is known as black gold by people and is industrial food, which is one of the main energy sources used in the human world in the eighteenth century.

The Chinese patent application No. CN201921351344.1 discloses a multi-stage coal mill for coal processing, which comprises the steps of firstly crushing coal blocks by using a crushing device, grinding the coal blocks into smaller particles, and greatly improving the grinding efficiency, wherein a screen cleaning mechanism is arranged, and a brush in the screen cleaning mechanism is in a non-rotation state when a filter screen plate rotates, so that the brush can be used for cleaning off the coal powder which is not up to the standard and is tightly attached to the surface of the filter screen plate in the rotation state, and the work of the filter screen plate is ensured.

The prior art has the following problems: 1. the above patent has the problem that the wet coal blocks cannot be effectively dried before crushing, so that the coal blocks are easy to bond together again after being crushed, the interior of the crushing box is easy to wet, and the practicability of the coal mill is further reduced; 2. above-mentioned patent exists one-level crushing mechanism and the coal grinding barrel and is difficult to the problem that separates when needing to the convenience of coal pulverizer has been reduced.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a multi-stage coal mill for coal processing, which has the characteristics of high practicability and strong convenience.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-stage coal mill for coal processing comprises a base plate, a coal mill main body component is installed above the base plate, a crushing component is arranged on one side of the coal mill main body component, a plurality of supporting legs are installed on the lower portion of the crushing component by the edge position, a drying device is installed above the crushing component and comprises a top cover, a spraying hopper, a gas transmission cavity, a cylinder, a connecting frame, a socket, a heating plate, a heat conduction shell, a drying frame, a connecting pipe, a processing box, an electric heating rod, a mounting plate, a silica gel drying agent, a mesh cylinder and a fan, the drying frame is installed above the crushing component, the top cover is installed above the drying frame through screws, the fan is installed on one side of the drying frame, the input end of the fan is connected with the inside of the drying frame, the processing box is installed below the output end of the fan, the processing box is connected with the, the drying device comprises a drying frame, a processing box, a plurality of air delivery chambers, a plurality of spray hoppers, a cylinder, a connecting frame, a heat conduction shell, a plurality of mesh cylinders, a plurality of silica gel drying agents, a plurality of electric heating rods, a plurality of air delivery chambers, a plurality of air delivery pipes, a plurality of spray buckets, a plurality of air cylinders, a plurality of air delivery pipes and a plurality of air delivery pipes, wherein the mounting plate is mounted on one side of the processing box, which is far away from the drying frame, through screws, the plurality of mesh cylinders are mounted on one side of the mounting plate, which is close to the processing box, the processing box is connected with the mesh cylinders in a sliding manner, the air delivery chambers are arranged in the side wall of the drying frame, the connecting frame is connected with the inner parts of the air delivery chambers, the heat conduction shell is connected with the socket in a sliding mode, and the heating plate is installed on the inner side of the heat conduction shell.

Preferably, the filter screen is installed to the inboard of fan input and the inside one side that the spray hopper is close to dry frame all.

Preferably, the connecting frame is of an L-shaped design.

Preferably, the heat conducting shell is made of aluminum alloy.

Preferably, a sealing ring is mounted on the inner side of the socket.

Preferably, the coal mill main body assembly is provided with a jack corresponding to the crushing assembly, the crushing assembly is connected with the jack in a sliding manner, the crushing assembly is provided with a fixing device, the fixing device comprises a fixing plate, a compression spring, a movable plate, a clamping rod, a clamping hole, a plugboard, a plug bush, a fixing frame, a connecting plate and a connecting rod, the fixing plate is arranged below the crushing assembly by the central position, the plugboard is arranged on one side of the fixing plate close to the coal mill main body assembly, the outer side of the plugboard is connected with the plug bush, the coal mill main body assembly is connected with the plug bush, the fixing frame is arranged above the plug bush, the connecting plate is arranged above the fixing frame, the connecting rod is arranged below the connecting plate, the connecting rod is connected with the fixing frame in a sliding manner, the movable plate is arranged below the connecting rod, compression spring's both ends are connected with movable plate and mount respectively, a plurality of kellies are installed to the below of movable plate, kellies and plug bush sliding connection, the card hole has been seted up with the corresponding position of kellies on the picture peg, kellies and card hole sliding connection.

Preferably, a handle is arranged above the connecting plate.

Preferably, a plurality of mobile devices are installed to the below of supporting leg, mobile device includes the backup pad and removes the wheel, and is a plurality of the backup pad is installed to the below of supporting leg, a plurality of removal wheels are installed to the below of backup pad.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the top cover, the spraying hopper, the air conveying cavity, the air cylinder, the connecting frame, the socket, the heating plate, the heat conducting shell, the drying frame, the connecting pipe, the processing box, the electric heating rod, the mounting plate, the silica gel drying agent and the net barrel are arranged, so that the coal mill can effectively dry coal blocks, and the practicability of the coal mill is improved.

2. According to the invention, the coal mill main body component and the crushing component can be separated as required by the coal mill through the arrangement of the jack, the handle, the fixing plate, the compression spring, the moving plate, the clamping rod, the clamping hole, the inserting plate, the inserting sleeve, the fixing frame, the connecting plate, the connecting rod, the supporting plate and the moving wheel, so that the convenience of the coal mill is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the drying apparatus according to the present invention;

FIG. 3 is a schematic structural view of the fixing device of the present invention;

fig. 4 is a schematic structural diagram of a mobile device according to the present invention.

In the figure: 1. a coal mill body assembly; 2. a jack; 3. a drying device; 31. a top cover; 32. a spray hopper; 33. an air delivery cavity; 34. a cylinder; 35. a connecting frame; 36. a socket; 37. heating plates; 38. a thermally conductive shell; 39. drying the frame; 310. a connecting pipe; 311. a process cartridge; 312. an electric heating rod; 313. mounting a plate; 314. a silica gel desiccant; 315. a net drum; 316. a fan; 4. a size reduction assembly; 5. a fixing device; 51. a handle; 52. a fixing plate; 53. a compression spring; 54. moving the plate; 55. a clamping rod; 56. a clamping hole; 57. inserting plates; 58. inserting a sleeve; 59. a fixed mount; 510. a connecting plate; 511. a connecting rod; 6. supporting legs; 7. a mobile device; 71. a support plate; 72. a moving wheel; 8. a base plate.

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. 1-4, the present invention provides the following technical solutions: a multi-stage coal mill for coal processing comprises a bottom plate 8, a coal mill main body component 1 is installed above the bottom plate 8, a crushing component 4 is arranged on one side of the coal mill main body component 1, a plurality of supporting legs 6 are installed close to the edge position below the crushing component 4, a drying device 3 is installed above the crushing component 4, the drying device 3 comprises a top cover 31, a spraying hopper 32, an air conveying cavity 33, an air cylinder 34, a connecting frame 35, a socket 36, a heating plate 37, a heat conducting shell 38, a drying frame 39, a connecting pipe 310, a processing box 311, an electric heating rod 312, a mounting plate 313, a silica gel drying agent 314, a mesh cylinder 315 and a fan 316, the drying frame 39 is installed above the crushing component 4, the top cover 31 is installed above the drying frame 39 through screws, the fan 316 is installed on one side of the drying frame 39, the input end of the fan 316 is connected with the inside of the drying frame 39, the processing, the processing box 311 is connected with the drying frame 39, a mounting plate 313 is installed on one side of the processing box 311 far away from the drying frame 39 through screws, a plurality of net drums 315 are installed on one side of the mounting plate 313 near the processing box 311, the processing box 311 is connected with the net drums 315 in a sliding manner, a silica gel drying agent 314 is filled inside the net drums 315, a plurality of electric heating rods 312 are installed on the inner side of the processing box 311 and below the plurality of net drums 315, a connecting pipe 310 is installed below the processing box 311, an air conveying cavity 33 is arranged in the side wall of the drying frame 39, the connecting pipe 310 is connected with the inside of the air conveying cavity 33, the inside of the air conveying cavity 33 is connected with the inside of the drying frame 39 through a plurality of spraying hoppers 32, an air cylinder 34 is installed on one side of the drying frame 39 far away from the connecting pipe 310, a connecting frame 35 is installed on one side of the output end of the air, the drying frame 39 is provided with a socket 36 at a position corresponding to the heat conducting shell 38, the heat conducting shell 38 is slidably connected with the socket 36, and the heating plate 37 is installed on the inner side of the heat conducting shell 38.

Specifically, the inner side of the input end of the fan 316 and one side of the spray hopper 32 close to the inside of the drying frame 39 are both provided with a filter screen,

by adopting the above technical scheme, impurities are prevented from entering the fan 316 or the spray hopper 32.

In particular, the connecting frame 35 is of an L-shaped design,

by adopting the technical scheme, the normal work of the connecting frame 35 is ensured.

Specifically, the heat conducting shell 38 is made of aluminum alloy,

by adopting the technical scheme, the heat conduction capability of the heat conduction shell 38 is ensured.

Specifically, a sealing ring is arranged on the inner side of the socket 36,

by adopting the technical scheme, a gap is prevented from being formed between the heat conducting shell 38 and the socket 36.

Specifically, a jack 2 is arranged at a position, corresponding to the crushing assembly 4, on the coal mill main body assembly 1, the crushing assembly 4 is in sliding connection with the jack 2, a fixing device 5 is arranged on the crushing assembly 4, the fixing device 5 comprises a fixing plate 52, a compression spring 53, a moving plate 54, a clamping rod 55, a clamping hole 56, an inserting plate 57, an inserting sleeve 58, a fixing frame 59, a connecting plate 510 and a connecting rod 511, the fixing plate 52 is arranged at a position, close to the center, below the crushing assembly 4, the inserting plate 57 is arranged at one side of the fixing plate 52, close to the coal mill main body assembly 1, the inserting sleeve 58 is in sliding connection with the outer side of the inserting plate 57, the coal mill main body assembly 1 is connected with the inserting sleeve 58, the fixing frame 59 is arranged above the inserting sleeve 58, the connecting plate 510 is arranged above the fixing frame 59, the connecting rod 511 is arranged below the, a compression spring 53 is arranged on the outer side of the connecting rod 511, two ends of the compression spring 53 are respectively connected with a moving plate 54 and a fixed bracket 59, a plurality of clamping rods 55 are arranged below the moving plate 54, the clamping rods 55 are slidably connected with an inserting sleeve 58, clamping holes 56 are arranged on the inserting plate 57 corresponding to the clamping rods 55, the clamping rods 55 are slidably connected with the clamping holes 56,

through adopting above-mentioned technical scheme for the coal pulverizer can be with coal pulverizer main part subassembly 1 and crushing subassembly 4 separation when needing.

Specifically, a handle 51 is arranged above the connecting plate 510,

through adopting above-mentioned technical scheme for the staff can be through handle 51 control connecting plate 510, and then the convenience when using has been improved.

Specifically, a moving device 7 is installed below the plurality of support legs 6, the moving device 7 includes a support plate 71 and moving wheels 72, the support plate 71 is installed below the plurality of support legs 6, the plurality of moving wheels 72 are installed below the support plate 71,

by adopting the technical scheme, the crushing assembly 4 can move through the moving wheel 72 when needed.

The structure and principle of the main body assembly 1 and the crushing assembly 4 of the coal mill in the invention are disclosed in a multistage coal mill for coal processing disclosed in Chinese patent application No. CN 201921351344.1.

The working principle and the using process of the invention are as follows: when the coal blocks need to be dried, the screws on the top cover 31 in the drying device 3 are unscrewed, the top cover 31 is taken down, then the coal blocks are placed in the drying frame 39, then the coal blocks fall on the heat conducting shell 38, after the coal blocks are placed, the top cover 31 is installed back to the original position through the screws, the heating plate 37 is started to heat the coal blocks, water in the coal blocks becomes water vapor and rises, the fan 316 is started, the fan 316 sends air and the water vapor into the processing box 311, the water vapor is absorbed by the silica gel drying agent 314 in the mesh cylinder 315, the mounting plate 313 plays a connecting and mounting role, the electric heating rod 312 is started, the air is heated by the electric heating rod 312, then the hot air enters the drying frame 39 through the connecting pipe 310, the air conveying cavity 33 and the injection hopper 32 to form a circulation, after the drying is finished, the heating plate 37, the fan 316 and the electric heating rod 312 are closed, the air cylinder 34 is started, the air cylinder 34 drives the heat conducting shell 38 to move, as the heat conducting shell 38 moves, the coal pieces fall into the size reduction assembly 4 and are dried. When the coal mill main body assembly 1 and the crushing assembly 4 need to be separated, the handle 51 in the fixing device 5 is pulled, the handle 51 drives the moving plate 54 and the clamping rod 55 below the moving plate 54 to move upwards through the connecting plate 510 and the connecting rod 511 on the fixing frame 59, so that the clamping rod 55 is separated from the clamping hole 56, the crushing assembly 4 is pulled, the crushing assembly 4 is moved through the moving wheel 72 below the supporting plate 71 in the moving device 7, meanwhile, the crushing assembly 4 drives the inserting plate 57 to be separated from the inserting sleeve 58 through the fixing plate 52, the crushing assembly 4 is separated from the inserting hole 2, the handle 51 is loosened, and the separation.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal processing is with multistage coal pulverizer, includes bottom plate (8), its characterized in that: the coal mill main body component (1) is installed above the bottom plate (8), a crushing component (4) is arranged on one side of the coal mill main body component (1), a plurality of supporting legs (6) are installed near the edge of the lower portion of the crushing component (4), a drying device (3) is installed above the crushing component (4), the drying device (3) comprises a top cover (31), a spraying hopper (32), a gas transmission cavity (33), a cylinder (34), a connecting frame (35), a socket (36), a heating plate (37), a heat conducting shell (38), a drying frame (39), a connecting pipe (310), a processing box (311), an electric heating rod (312), a mounting plate (313), a silica gel drying agent (314), a mesh cylinder (315) and a fan (316), the drying frame (39) is installed above the crushing component (4), and the top cover (31) is installed above the drying frame (39) through screws, a fan (316) is installed on one side of the drying frame (39), the input end of the fan (316) is connected with the inside of the drying frame (39), a processing box (311) is installed below the output end of the fan (316), the processing box (311) is connected with the drying frame (39), a mounting plate (313) is installed on one side, far away from the drying frame (39), of the processing box (311) through screws, a plurality of net cylinders (315) are installed on one side, close to the processing box (311), of the mounting plate (313), the processing box (311) is connected with the net cylinders (315) in a sliding mode, a silica gel drying agent (314) is filled on the inner side of each net cylinder (315), a plurality of electric heating rods (312) are installed on the inner side of the processing box (311) and below the plurality of net cylinders (315), a connecting pipe (310) is installed below the processing box (311), an air conveying cavity (33) is formed in the side wall of the drying frame (, the internal connection of connecting pipe (310) and gas transmission chamber (33), be connected through a plurality of spray hoppers (32) between the inside of gas transmission chamber (33) and the inside of drying frame (39), cylinder (34) are installed to one side that connecting pipe (310) were kept away from in drying frame (39), link (35) are installed to one side that connecting pipe (310) were kept away from to the output of cylinder (34), heat conduction shell (38) are installed to one end that link (35) are close to drying frame (39), socket (36) have been seted up with the corresponding position of heat conduction shell (38) on drying frame (39), heat conduction shell (38) and socket (36) sliding connection, hot plate (37) are installed to the inboard of heat conduction shell (38).

2. The multi-stage coal mill for coal processing according to claim 1, wherein: and filter screens are arranged on the inner side of the input end of the fan (316) and one side of the spray hopper (32) close to the inside of the drying frame (39).

3. The multi-stage coal mill for coal processing according to claim 1, wherein: the connecting frame (35) is designed in an L shape.

4. The multi-stage coal mill for coal processing according to claim 1, wherein: the heat conducting shell (38) is made of aluminum alloy.

5. The multi-stage coal mill for coal processing according to claim 1, wherein: and a sealing ring is arranged on the inner side of the socket (36).

6. The multi-stage coal mill for coal processing according to claim 1, wherein: jack (2) have been seted up with the corresponding position of reducing mechanism (4) on coal pulverizer main part subassembly (1), reducing mechanism (4) and jack (2) sliding connection, install fixing device (5) on reducing mechanism (4), fixing device (5) are including fixed plate (52), compression spring (53), movable plate (54), kelly (55), card hole (56), picture peg (57), plug bush (58), mount (59), connecting plate (510) and connecting rod (511), fixed plate (52) are installed by central point to the below of reducing mechanism (4), picture peg (57) are installed to one side that fixed plate (52) are close to coal pulverizer main part subassembly (1), the outside sliding connection of picture peg (57) has plug bush (58), coal pulverizer main part subassembly (1) is connected with plug bush (58), mount (59) are installed to the top of plug bush (58), the top of mount (59) is provided with connecting plate (510), connecting rod (511) are installed to the below of connecting plate (510), connecting rod (511) and mount (59) sliding connection, movable plate (54) are installed to the below of connecting rod (511), the outside of connecting rod (511) is provided with compression spring (53), the both ends of compression spring (53) are connected with movable plate (54) and mount (59) respectively, a plurality of kellies (55) are installed to the below of movable plate (54), kellies (55) and plug bush (58) sliding connection, card hole (56) have been seted up with the corresponding position of kellies (55) on picture peg (57), kellies (55) and card hole (56) sliding connection.

7. The multi-stage coal mill for coal processing according to claim 6, wherein: and a handle (51) is arranged above the connecting plate (510).

8. The multi-stage coal mill for coal processing according to claim 1, wherein: a plurality of mobile device (7) are installed to the below of supporting leg (6), mobile device (7) are including backup pad (71) and removal wheel (72), and are a plurality of backup pad (71) are installed to the below of supporting leg (6), a plurality of removal wheels (72) are installed to the below of backup pad (71).