CN211937142U - Powder conveying coarse powder multistage separation device - Google Patents

Abstract

The utility model discloses a middlings multistage separation device is carried to powder, including the separator body, the top fixedly connected with motor of separator body, the left side through connection of separator body has the inlet pipe, the below of separator body upper discharge gate is equipped with crushing screening plant, crushing screening plant is including smashing the storehouse, smash being in under the separator body discharge gate in storehouse, it is equipped with by power unit drive pivoted main shaft to smash to be equipped with in the storehouse, the fixed surface that is close to the front end on the main shaft is connected with crushing gear. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because the middlings of isolating are difficult to timely smash the operation to in the process that then drops into thermal power, reduce work efficiency, also lead to a large amount of middlings to pile up simultaneously, occupy the production space, give the problem that the use was inconvenient.

Description

Powder conveying coarse powder multistage separation device

Technical Field

The utility model relates to a separator technical field specifically is a middlings multistage separation device is carried to powder.

Background

In China, thermal power generation is still one of the mainstream power generation sources, and most thermal power plants adopt coal as fuel. However, coal is not directly fed into the furnace for combustion and it is necessary to pulverize the coal first. It is known that the greater the contact area with oxygen during combustion, the more intense the combustion. Therefore, the coal is pulverized and then burnt so as to improve the combustion rate of the coal and avoid the waste of resources. In recent years, along with the rapid development of economy and modern industry in China, the demand for coal is more and more large, coal mining and coal crushing equipment such as a mobile crushing station, a crusher, a pulverizer and the like also obtains great development, and the coal mining and coal crushing equipment steps into a high growth age; in order to ensure that coal is ground into fine powder with uniform thickness and the coarse powder and the fine powder are separated, a separating device is provided, for example, a coal coarse powder separator disclosed in Chinese patent CN205650286U, which belongs to the field of thermal power generation and is used for solving the problem of the separation of the coarse powder and the fine powder of coal. It includes the shell, is located the shell power unit, is located the left filtration pipeline of shell, is located the middlings pipeline of shell below, the shell includes shell body, is located the lid of shell body top, is located the pipeline on lid right side, shell body is the cuboid, open in shell body left side has the mounting groove, the lid width is greater than the radial width of shell body, it has the through-hole to open in the middle of the lid, the lid upper end is equipped with erection support. The technical scheme provides the coal coarse powder separator with multiple separation functions, so that the coarse and fine separation of coal powder is realized, the combustion utilization rate of the coal powder is improved, the energy is saved, and the structure is simplified;

however, in the actual use process, the separated coarse powder is difficult to crush in time and then is put into the thermal power generation process, so that the working efficiency is reduced, and simultaneously, a large amount of coarse powder is accumulated, the generated space is occupied, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a middlings multistage separation device is carried to powder improves traditional device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a middlings multistage separation device is carried to powder, includes the separator body, the top fixedly connected with motor of separator body, the left side through connection of separator body has the inlet pipe, the below of separator body upper discharge gate is equipped with crushing screening plant.

Smash screening plant including smashing the storehouse, smash being in under the separator body discharge gate in the storehouse, it is equipped with by power unit drive pivoted main shaft to smash the storehouse, the fixed surface that is close to the front end on the main shaft is connected with and smashes the gear, smash the storehouse and seted up the through-hole under the through-hole fixedly connected with tube that falls down, the inner wall fixedly connected with screen cloth of tube that falls down, just logical groove has been seted up to the left side of screen cloth on the tube that falls down, just to the left side fixedly connected with pipe that leads to the groove on the tube that falls down, the left side of tube that falls down is equipped with the fan, the last fixed surface of fan is connected with the tuber pipe, the left end of pipe runs through to in the tuber pipe, air outlet on the fan is up, the top of tuber pipe is equipped with the flexion and points to smashing the.

Preferably, cleaning device includes drive wheel one and support, the surface that is close to the rear end on the main shaft runs through smash the storehouse and with the inner wall fixed connection of drive wheel one, the surface swing joint of drive wheel one has the drive belt, the inner wall that keeps away from drive wheel one side on the drive belt rotates and is connected with drive wheel two, the inner wall fixed connection of drive wheel two has the driven shaft, the driven shaft spacing rotation on the support, the fixed surface cover that is close to the front end on the driven shaft has the cam, the left side swing joint of cam has the stripper bar, the surface of stripper bar runs through the downpipe and with downpipe sliding connection, the fixed surface of stripper bar is connected with the driving ring, the surface cover of stripper bar has pressure spring one, the left end fixed connection of stripper bar has flexible scraper blade.

Preferably, flexible scraper blade is including fixed cover, the right side of fixed cover and the left end fixed connection of stripper bar, the inner wall sliding connection of fixed cover has the pinion rack, the last fixed surface of pinion rack is connected with pressure spring two, the top of pressure spring two and the top fixed connection of fixed cover inner wall.

Preferably, the number of the second pressure springs is not less than five, and the second pressure springs are uniformly distributed in the fixed sleeve.

Preferably, a feed inlet on the upper surface of the crushing bin is fixedly connected with a circular truncated cone-shaped sleeve, and the large end of the circular truncated cone-shaped sleeve faces upwards.

Preferably, the right end of the extrusion rod is an arc-shaped surface, and the extrusion rod is movably connected with the surface of the cam through the arc-shaped surface on the extrusion rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can timely crush the screened coarse powder and re-screen the coarse powder through the arrangement of the crushing and screening device, and timely put the fine powder into the thermal power generation process, thereby improving the working efficiency;

the coarse powder flowing out of the discharge port of the separation device body is received by the crushing bin, the main shaft drives the crushing gear to synchronously rotate in the crushing bin, and the crushing gear rotates in the crushing bin to crush the coarse powder collected in the crushing bin;

after the crushing operation is carried out, the falling powder falls on the screen, the powder with smaller particles directly falls through the meshes on the screen, and the falling fine powder is collected at the bottom of the falling pipe;

the powder with larger particles can be guided along the inclined surface of the screen mesh to pass through the through groove and is conveyed by the guide pipe, so that the powder with larger particles falls into the air pipe;

in the air pipe, after working through a fan, airflow from bottom to top is generated, the powder clamp with larger particles is carried by high-speed airflow to move upwards, and finally the powder clamp is thrown into a crushing bin again through a bent part at the top of the air pipe for crushing again;

thirdly, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use process, because the middlings of isolating are difficult to timely smash the operation to in the process that then drops into thermal power, reduce work efficiency, also lead to a large amount of middlings to pile up simultaneously, occupy the production space, give the problem that the use was inconvenient.

Drawings

Fig. 1 is a front view of the structure of the present invention;

fig. 2 is a front sectional view of the crushing bin of the present invention;

fig. 3 is a front sectional view of the fixing sleeve of the present invention;

fig. 4 is a left side sectional view of the fixing sleeve of the present invention.

In the figure: 1-a separation device body, 2-a motor, 3-a feeding pipe, 4-a crushing and screening device, 5-a crushing bin, 6-a main shaft, 7-a crushing gear, 8-a falling pipe, 9-a screen, 10-a through groove, 11-a guide pipe, 12-a fan, 13-an air pipe, 14-a cleaning device, 15-a driving wheel I, 16-a driving belt, 17-a driving wheel II, 18-a driven shaft, 19-a support, 20-a cam, 21-an extrusion rod, 22-a driving ring, 23-a pressure spring I, 24-a telescopic scraper, 25-a fixed sleeve, 26-a toothed plate, 27-a pressure spring II and 28-a circular truncated cone-shaped sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a powder conveying coarse powder multistage separation device comprises a separation device body 1, wherein the separation device body 1 comprises a shell, a filtering pipeline positioned on the left side of the shell and a coarse powder pipeline positioned below the shell, the shell comprises a shell body, a cover positioned above the shell body and a conveying pipeline positioned on the right side of the cover, the shell body is a cuboid, a mounting groove is formed in the left side of the shell body, the width of the cover is larger than the radial width of the shell body, a through hole is formed in the middle of the cover, and a mounting support is arranged at the upper end of the; the power mechanism comprises a motor, a rotating shaft positioned at the lower end of the motor and fan blades sleeved on the rotating shaft, the motor is connected to the mounting support through bolts, one end of the rotating shaft is sleeved in the motor, the rotating shaft penetrates through the through hole, and the rotating shaft is vertical to the horizontal plane; the top of the separation device body 1 is fixedly connected with a motor 2, and the motor 2 drives the fan blades in the shell to rotate; the left side of the separation device body 1 is connected with a feeding pipe 3 in a run-through manner, and powder is received through the feeding pipe; the above-described apparatus is fully disclosed in the specification of the references mentioned in the background, which is incorporated herein by reference;

the lower side of the upper discharge port of the separation device body 1 is provided with a crushing and screening device 4, the coarse powder screened out can be timely crushed and processed through the arrangement of the crushing and screening device 4, the screening operation is carried out again, and the fine powder is timely put into a thermal power generation process, so that the working efficiency is improved.

The crushing and screening device 4 comprises a crushing bin 5, the crushing bin 5 is positioned right below a discharge port of the separation device body 1, a feed port on the upper surface of the crushing bin 5 is fixedly connected with a truncated cone-shaped sleeve 28, the large end of the truncated cone-shaped sleeve 28 faces upwards, and the area of the crushing bin 5 for receiving falling coarse materials can be increased by arranging the truncated cone-shaped sleeve 28 on the crushing bin 5 with the large end facing upwards, so that the coarse materials are prevented from being accidentally scattered in the receiving process, and the large end of the middle end of the upper end and the lower end of the truncated cone-shaped sleeve 28 with a relatively large caliber is the large end;

a main shaft 6 driven by a power mechanism to rotate is arranged in the crushing bin 5, a crushing gear 7 is fixedly connected to the surface of the main shaft 6 close to the front end, the coarse powder flowing out of a discharge port of the separation device body 1 is received through the crushing bin 5, the main shaft 6 drives the crushing gear 7 to synchronously rotate in the crushing bin 5, and the coarse powder collected in the crushing bin 5 is crushed through the rotation of the crushing gear 7 in the crushing bin 5; the power mechanism is a driving motor;

a through hole is formed right below the crushing bin 5 and is fixedly connected with a falling pipe 8 through the through hole, the inner wall of the falling pipe 8 is fixedly connected with a screen 9, after crushing operation is carried out, falling powder can fall on the screen 9, powder with smaller particles can directly fall through meshes on the screen 9, and falling fine powder is collected at the bottom of the falling pipe 8;

a through groove 10 is formed in the left side, opposite to the screen 9, of the falling pipe 8, a guide pipe 11 is fixedly connected to the left side, opposite to the through groove 10, of the falling pipe 8, a fan 12 is arranged on the left side of the falling pipe 8, an air pipe 13 is fixedly connected to the upper surface of the fan 12, the left end of the guide pipe 11 penetrates into the air pipe 13, powder with larger particles can be guided along the inclined plane of the screen 9 to pass through the through groove 10, and the powder with larger particles can fall into the air pipe 13 through transmission of the guide pipe 11;

an air outlet on the fan 12 is upward, a bent part is arranged at the top of the air pipe 13 and points to the crushing bin 5, airflow from bottom to top can be generated in the air pipe 13 after the fan 12 works, the powder clamp with larger particles is carried by high-speed airflow to move upwards, and finally the powder clamp is thrown into the crushing bin 5 again through the bent part at the top of the air pipe 13 for crushing again;

the surface of the main shaft 6 is fixedly connected with a cleaning device 14, the cleaning device 14 comprises a first transmission wheel 15 and a support 19, the surface of the main shaft 6 close to the rear end penetrates through the crushing bin 5 and is fixedly connected with the inner wall of the first transmission wheel 15, the surface of the first transmission wheel 15 is movably connected with a transmission belt 16, the inner wall of the transmission belt 16 far away from one side of the first transmission wheel 15 is rotatably connected with a second transmission wheel 17, the inner wall of the second transmission wheel 17 is fixedly connected with a driven shaft 18, the driven shaft 18 is limited and rotates on the support 19, the surface of the driven shaft 18 close to the front end is fixedly sleeved with a cam 20, the left side of the cam 20 is movably connected with an extrusion rod 21, the surface of the extrusion rod 21 penetrates through the falling pipe 8 and is slidably connected with the falling pipe 8, the surface of the extrusion rod 21 is fixedly connected with a transmission ring 22, the surface of the extrusion rod 21 is sleeved with a first pressure, through the transmission of the transmission belt 16, the second driving wheel 17 rotates synchronously, the driven shaft 18 on the inner wall of the second driving wheel 17 drives the cam 20 to rotate on the bracket 19 in a limiting manner, when the flange surface on the cam 20 contacts with the right end of the extrusion rod 21, the extrusion rod 21 is extruded to the leftmost end, similarly, when the concave edge surface on the cam 20 contacts with the right end of the extrusion rod 21, the extrusion rod 21 can move to the rightmost end under the action of the elastic force of the first compression spring 23, and after the cam 20 rotates continuously, the extrusion rod 21 can drive the telescopic scraper 24 to scrape on the screen 9 in a left-right reciprocating manner, so that fine powder remained on meshes of the screen 9 falls off quickly, and the meshes on the screen 9 are prevented from being blocked;

the right end of the extrusion rod 21 is an arc-shaped surface, the extrusion rod 21 is movably connected with the surface of the cam 20 through the arc-shaped surface on the extrusion rod, and the relative sliding of the extrusion rod 21 on the cam 20 can be smoother through the arrangement of the arc-shaped end surface on the extrusion rod 21;

the telescopic scraper 24 comprises a fixed sleeve 25, the right side of the fixed sleeve 25 is fixedly connected with the left end of the extrusion rod 21, the inner wall of the fixed sleeve 25 is connected with a toothed plate 26 in a sliding manner, the upper surface of the toothed plate 26 is fixedly connected with a second pressure spring 27, the top of the second pressure spring 27 is fixedly connected with the top of the inner wall of the fixed sleeve 25, and the toothed plate 26 can be continuously contacted with the upper surface of the screen 9 through the matching use among the fixed sleeve 25, the toothed plate 26 and the second pressure spring 27, so that the cleaning efficiency of meshes on the screen 9 is improved; the number of the second compression springs 27 is not less than five, the second compression springs are uniformly distributed in the fixing sleeve 25, and the number of the second compression springs 27 is not less than five, the second compression springs are uniformly distributed in the fixing sleeve 25, so that the stress of the toothed plate 26 is more balanced, and the lifting in the fixing sleeve 25 is more stable;

the working principle is as follows: when the multistage separation device for powder conveying coarse powder is used, the arrangement of the crushing and screening device 4 can crush the screened coarse powder in time and perform screening operation again, fine powder is put into a thermal power generation process in time, and the working efficiency is improved; the coarse powder flowing out of the discharge port of the separation device body 1 is received through the crushing bin 5, the main shaft 6 drives the crushing gear 7 to synchronously rotate in the crushing bin 5, and the crushing gear 7 rotates in the crushing bin 5 to crush the coarse powder collected in the crushing bin 5; after the crushing operation is carried out, the falling powder falls on the screen 9, the powder with smaller particles directly falls through the meshes on the screen 9, and the falling fine powder is collected at the bottom of the falling pipe 8; the powder with larger particles can be guided along the inclined surface of the screen 9 to pass through the through groove 10 and then is transmitted through the guide pipe 11, so that the powder with larger particles falls into the air pipe 13; in the air pipe 13, after the fan 12 works, airflow from bottom to top is generated, the powder clamp with larger particles is carried by high-speed airflow to move upwards, and finally the powder clamp is thrown into the crushing bin 5 again through the bent part at the top of the air pipe 13 for crushing again; through the cooperation use between the above-mentioned structure, solved in the in-service use process, because the middlings of separating are difficult to in time smash the operation to in the process of then dropping into thermal power, reduce work efficiency, also lead to a large amount of middlings to pile up simultaneously, occupy the production space, give the problem that the use is inconvenient.

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 (6)

1. The utility model provides a middlings multistage separation device is carried to powder, includes separator body (1), the top fixedly connected with motor (2) of separator body (1), the left side through connection of separator body (1) has inlet pipe (3), its characterized in that: a crushing and screening device (4) is arranged below the discharge hole on the separating device body (1);

the crushing and screening device (4) comprises a crushing bin (5), the crushing bin (5) is positioned under a discharge port of the separating device body (1), a main shaft (6) driven to rotate by a power mechanism is arranged in the crushing bin (5), a crushing gear (7) is fixedly connected to the surface of the main shaft (6) close to the front end, a through hole is formed under the crushing bin (5) and a falling pipe (8) is fixedly connected with the through hole, a screen (9) is fixedly connected to the inner wall of the falling pipe (8), a through groove (10) is formed in the falling pipe (8) just opposite to the left side of the screen (9), a guide pipe (11) is fixedly connected to the left side of the through groove (10) in the falling pipe (8), a fan (12) is arranged on the left side of the falling pipe (8), and an air pipe (13) is fixedly connected to the upper surface of the fan (12), the left end of pipe (11) runs through to in tuber pipe (13), air outlet on fan (12) is up, the top of tuber pipe (13) is equipped with the flexion and directional crushing storehouse (5), the fixed surface of main shaft (6) is connected with cleaning device (14).

2. The multistage powder conveying coarse powder separating device as claimed in claim 1, wherein: the cleaning device (14) comprises a first transmission wheel (15) and a support (19), the surface of the main shaft (6) close to the rear end penetrates through the crushing bin (5) and is fixedly connected with the inner wall of the first transmission wheel (15), a transmission belt (16) is movably connected with the surface of the first transmission wheel (15), the inner wall of one side, far away from the first transmission wheel (15), of the transmission belt (16) is rotatably connected with a second transmission wheel (17), the inner wall of the second transmission wheel (17) is fixedly connected with a driven shaft (18), the driven shaft (18) is limited and rotated on the support (19), a cam (20) is fixedly sleeved on the surface of the driven shaft (18) close to the front end, an extrusion rod (21) is movably connected to the left side of the cam (20), the surface of the extrusion rod (21) penetrates through the lower drop tube (8) and is slidably connected with the lower drop tube (8), and a transmission ring (22) is fixedly connected with the surface of, the surface of the extrusion rod (21) is sleeved with a first pressure spring (23), and the left end of the extrusion rod (21) is fixedly connected with a telescopic scraper (24).

3. The multistage powder conveying coarse powder separating device as claimed in claim 2, wherein: flexible scraper blade (24) are including fixed cover (25), the right side of fixed cover (25) and the left end fixed connection of extrusion pole (21), the inner wall sliding connection of fixed cover (25) has pinion rack (26), the last fixed surface of pinion rack (26) is connected with pressure spring two (27), the top of pressure spring two (27) and the top fixed connection of fixed cover (25) inner wall.

4. The multistage powder conveying coarse powder separating device as claimed in claim 3, wherein: the number of the second compression springs (27) is not less than five, and the second compression springs are uniformly distributed in the fixed sleeve (25).

5. The multistage powder conveying coarse powder separating device as claimed in claim 1, wherein: the feed inlet on the upper surface of the crushing bin (5) is fixedly connected with a truncated cone-shaped sleeve (28), and the big end of the truncated cone-shaped sleeve (28) faces upwards.

6. The multistage powder conveying coarse powder separating device as claimed in claim 2, wherein: the right end of the extrusion rod (21) is an arc-shaped surface, and the extrusion rod (21) is movably connected with the surface of the cam (20) through the arc-shaped surface.

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