CN214421777U

CN214421777U - Circular door type top-stacking and top-taking limestone reclaimer for cement manufacturing

Info

Publication number: CN214421777U
Application number: CN202023231218.8U
Authority: CN
Inventors: 何永卿; 赵刚; 罗宾文; 曹兴满; 葛福德
Original assignee: Qinghai Qilianshan Cement Co ltd
Current assignee: Qinghai Qilianshan Cement Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-19
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a circular door type top-stacking limestone fetching machine for cement manufacturing, which consists of a feeding belt conveyor and a steel truss thereof, a distributing belt conveyor, an amplitude changing device, a door type frame, a scraper system, an end beam travelling mechanism, a discharging belt and a central column; the feeding belt conveyor and the steel truss are distributed above the material distribution belt conveyor and are connected with the top end of the central column in a direction opposite to the door-shaped frame; the amplitude changing device is arranged above the door-shaped frame; the portal frame is arranged at the lower part of the material distribution belt conveyor, one end of the portal frame is connected with the central column through the central hinged support, and the other end of the portal frame is connected with the end beam walking mechanism; one end of the scraper system is arranged at the lower part of the portal frame, and the other end of the scraper system is connected with the amplitude variation device; the discharging belt is distributed at the bottom end of the central column. The adaptability to viscous limestone materials (more powdery materials, high viscosity, poor fluidity and high moisture) is solved, the material taking capability is improved, and the conditions of grinding breakage of limestone raw materials and material waiting caused by insufficient material taking capability of a material taking machine can be avoided.

Description

Circular door type top-stacking and top-taking limestone reclaimer for cement manufacturing

Technical Field

The utility model relates to a cement manufacture technical field, concretely relates to a circular gate-type top heap stone extraction reclaimer for cement manufacture.

Background

The original limestone stacker-reclaimer adopts a phi 90m round box beam type top-stacking side-reclaiming scraper reclaimer, the original design has the stacker capacity of 1400t/h and the reclaiming capacity of 800t/h, and the selection is carried out for meeting the requirements of the supply of raw material grinding limestone of two (2500t/d and 4500t/d) cement production lines. In recent years, due to the fact that physical properties of materials are changed, powdery materials are increased, the viscosity is high, the powdery materials are influenced by factors such as poor material fluidity and high moisture, the improvement of the material taking capability on the basis of an original box beam type material taking system is unrealistic, the actual material taking capability is less than 550T/h, material taking is quite difficult particularly in rainy seasons and winter, equipment faults occur frequently, the maintenance cost is high, limestone supply of one production line can only be met reluctantly, the other production line can only adopt automobile reverse transportation for supply, and the limestone loading and transporting cost is over 180 ten thousand yuan each year.

The improvement of the existing round box girder type top-stacking and side-taking scraper reclaimer is a round door type top-stacking and top-taking limestone reclaimer, which has the following problems: (1) the material taking device door-shaped frame is effectively butted with the original material piling system and the central column supporting structure. (2) The reclaimer gate frame and the reclaiming arm cannot increase the original center post load. (3) The highest points of the take-out device door-shaped frame and the take-out arm cannot interfere with the stacker steel truss and the stacker net rack. (4) The whole power supply still adopts the central collecting ring device, and the electric control system is upgraded and reformed, so that the protection grade of the electric control cabinet of the stacker-reclaimer is improved, and the linkage control relation is optimized.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a circular gate-type top heap retrieval lime stone reclaimer for cement manufacture.

The technical scheme of the utility model as follows:

a circular door type top-stacking limestone taking reclaimer for cement manufacturing comprises a feeding belt conveyor and a steel truss 1 thereof, a distribution belt conveyor 2, an amplitude variation device 3, a door-shaped frame 4, a scraper system 5, an end beam travelling mechanism 6, a discharging belt 8 and a central column 9; the feeding belt conveyor and the steel truss 1 thereof are distributed above the material distribution belt conveyor 2 and connected with the top end of a central column 9, and the direction of the feeding belt conveyor and the steel truss is opposite to that of the door-shaped frame 4; the amplitude variation device 3 is arranged above the door-shaped frame 4; the portal frame 4 is arranged at the lower part of the material distribution belt conveyor 2, one end of the portal frame is connected with the central column 9 through a central hinged support 21, and the other end of the portal frame is connected with the end beam travelling mechanism 6; one end of the scraper system 5 is arranged at the lower part of the portal frame 4, and the other end is connected with the amplitude variation device 3; the discharging belt 8 is distributed at the bottom end of the central column 9.

Further, the scraper system 5 is composed of a scraper motor 10, a scraper speed reducer 11, a driving wheel 12, a scraper 13, a cantilever beam 14 and a driven wheel 15, wherein the scraper motor 10 and the scraper speed reducer 11 are divided into two groups and distributed on two sides of the driving wheel 12; the driven wheel 15 is mounted at the tail part of the cantilever beam 14, and the scraper 13, the driving wheel 12 and the driven wheel 15 are annularly arranged on the cantilever beam 14 through a chain; the scraper system 5 completes the up-down and left-right movement under the action of the amplitude variation device 3 and the end beam traveling mechanism 6, and the chain and the scraper 13 complete the rotation movement on the cantilever beam 14 and the circular track 16 through the scraper motor 10 and the scraper speed reducer 11.

Further, the end beam travelling mechanism 6 is composed of a circular track 16, a travelling wheel 17, a travelling speed reducer 18, a travelling motor 19 and an end beam hinged support 20, and the end beam travelling mechanism 6 is connected with the door-shaped frame 4 through the end beam hinged support 20; a traveling motor 19 and a traveling reducer 18 are connected with a traveling wheel driving shaft, and a traveling wheel 17 is arranged above the circular track 16; the end beam travelling mechanism 6 adopts a travelling motor 19 and a travelling speed reducer 18 to complete left and right movement of the portal frame 4, and controls the rotation angle and speed of the portal frame 4 by combining the starting time length of the travelling motor 19 and the travelling speed reducer 18.

Further, the amplitude variation device 3 consists of a winch 23 and a pulley block 24, a supporting seat 22 of the winch 23 is connected with the door-shaped frame 4, and the pulley block 24 is connected with the door-shaped frame 4; the amplitude variation device 3 controls the scraper system 5 to move up and down through the winch 23 and the pulley block 24, and controls the amplitude variation angle of the scraper system 5 by combining the starting time of the winch 23.

Further, the winding machine 23 is an electric winding machine.

Further, the traveling motor 19 is a variable frequency motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a reclaimer has solved the adaptability to viscidity lime stone material (likepowder material is many, viscidity is big, mobility is poor, moisture is high), improves and gets the material ability, can stop reclaimer because of getting the condition that the lime stone raw material that the material ability performance is not enough leads to grinds absolutely material, wait to expect. The specific design points are as follows: the portal frame does not change the load of the original central column and does not interfere with the steel truss of the stacker; the amplitude changing device adjusts the scraper system to move up and down, and fully contacts with materials, thereby playing the capacity effect of the scraper, reducing the problems of less material carrying of the scraper, uneven material carrying and the like, improving the effective material taking capability of the scraper system, simultaneously reducing the resistance of the scraper by utilizing the material stacking oblique angle and the gravitational potential energy of the materials, prolonging the service life of the scraper and a chain, reducing the operation fault of equipment and improving the operation efficiency of the equipment. When the end beam walking mechanism finishes left and right walking actions, the material components scraped by the scraper system are homogenized to a certain degree, and the stability of the material components is ensured. The situation that the limestone raw material is broken and the materials are waiting due to insufficient material taking capability of the material taking machine is thoroughly avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the reclaimer of the present invention;

FIG. 2 is a schematic structural view of the scraper system of the present invention;

FIG. 3 is a schematic structural view of the end beam traveling mechanism of the present invention;

fig. 4 is a schematic structural view of the door frame and the luffing device of the present invention.

In the figure: 1. a feeding belt conveyor and a steel truss thereof; 2. a material distribution belt conveyor; 3. a variable amplitude device; 4. a gantry frame; 5. a squeegee system; 6. an end beam traveling mechanism; 7. a limestone pile; 8. A discharge belt; 9. a central column; 10. a squeegee motor; 11. a scraper speed reducer; 12. a drive wheel; 13. a squeegee; 14. a cantilever beam; 15. a driven wheel; 16. a circular track; 17. a traveling wheel; 18. a traveling speed reducer; 19. a traveling motor; 20. an end beam hinged support; 21. a central hinged support; 22. a supporting seat; 23. a winch; 24. and (4) a pulley block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. 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.

Example 1

Referring to the attached drawings 1-4, the utility model provides a circular door type top-stacking limestone fetching machine for cement manufacturing, which comprises a feeding belt conveyor and a steel truss 1 thereof, a distribution belt conveyor 2, an amplitude variation device 3, a door-shaped frame 4, a scraper system 5, an end beam walking mechanism 6, a discharging belt 8 and a central column 9; wherein, the feeding belt conveyor and the steel truss 1 thereof are distributed above the material distribution belt conveyor 2 and connected with the top end of the central column 9, and the direction is opposite to the door-shaped frame 4; the amplitude changing device 3 is arranged above the door-shaped frame 4; the portal frame 4 is arranged at the lower part of the material distribution belt conveyor 2, one end of the portal frame is connected with the central column 9 through a central hinged support 21, and the other end of the portal frame is connected with the end beam travelling mechanism 6; one end of the scraper system 5 is arranged at the lower part of the portal frame 4, and the other end is connected with the amplitude variation device 3; the discharging belt 8 is distributed at the bottom end of the central column 9.

Preferably, the scraper system 5 consists of a scraper motor 10, a scraper speed reducer 11, a driving wheel 12, a scraper 13, a cantilever beam 14 and a driven wheel 15, wherein the scraper motor 10 and the scraper speed reducer 11 are divided into two groups and distributed on two sides of the driving wheel 12; the driven wheel 15 is arranged at the tail part of the cantilever beam 14, and the scraper 13, the driving wheel 12 and the driven wheel 15 are annularly arranged on the cantilever beam 14 through a chain; the scraper system 5 completes the up-down and left-right movement under the action of the amplitude variation device 3 and the end beam traveling mechanism 6, and the chain and the scraper 13 complete the rotation movement on the cantilever beam 14 and the circular track 16 through the scraper motor 10 and the scraper speed reducer 11.

Preferably, the end beam travelling mechanism 6 consists of a circular track 16, a travelling wheel 17, a travelling speed reducer 18, a travelling motor 19 and an end beam hinged support 20, and the end beam travelling mechanism 6 is connected with the door-shaped frame 4 through the end beam hinged support 20; the traveling motor 19 and the traveling reducer 18 are connected with a traveling wheel driving shaft, and the traveling wheel 17 is arranged above the circular track 16; the end beam travelling mechanism 6 adopts a travelling motor 19 and a travelling speed reducer 18 to complete left and right movement of the portal frame 4, and controls the rotation angle and speed of the portal frame 4 by combining the starting time of the travelling motor 19 and the travelling speed reducer 18.

Preferably, the amplitude variation device 3 consists of a winch 23 and a pulley block 24, the supporting seat 22 of the winch 23 is connected with the door-shaped frame 4, and the pulley block 24 is connected with the door-shaped frame 4; the amplitude variation device 3 controls the scraper system 5 to move up and down through the winch 23 and the pulley block 24, and controls the amplitude variation angle of the scraper system 5 by combining the starting time of the winch 23.

Preferably, the hoist 23 is an electric hoist.

Preferably, the traveling motor 19 is a variable frequency motor.

When the material taking device is used specifically, the pulley block 24 and the steel wire rope in the amplitude changing device 3 are utilized to complete the up-and-down motion of the scraper system 5 under the action of the winch 23, the scraper system is in full contact with materials, the capacity effect of the scraper is exerted, the problems that the scraper has few materials and is uneven in material taking are solved, the effective material taking capacity of the scraper system 5 is improved, meanwhile, the material piling oblique angle and the material gravitational potential energy are utilized, the resistance of the scraper is reduced, the service lives of the scraper and a chain are prolonged, the operation faults of equipment are reduced, and the operation efficiency of the equipment is improved. The end beam travelling mechanism 6 is connected with the portal frame 4 through an end beam hinged support 20, and transmits torque under the action of a travelling motor 19 and a travelling speed reducer 18 to enable a travelling wheel 17 to drive the portal frame 4 to travel left and right along a circular track 16; the walking motor 19 is controlled by frequency conversion, and the walking speed can be adjusted according to actual conditions. Combine above two, specifically get the material step and do: the scraper system 5 makes the chain and the scraper 13 do rotary motion along the cantilever beam 14 under the driving of the scraper motor → the amplitude varying device 3 controls the scraper system 5 to stop motion after descending for a certain distance (the descending distance is determined according to the rated current of the discharging belt 8) → the end beam walking mechanism 6 drives the portal frame 4 and the scraper system 5 to move left and right, and the above steps are repeated in a circulating way, so that the limestone pile is scraped into the discharging belt 8 layer by layer from high to low.

To sum up, through scraper blade system 5's use, can let scraper blade 13 and lime stone material fully contact, performance scraper blade capacity effect reduces the scraper blade area material and lacks, takes the inhomogeneous scheduling problem of material, improves scraper blade system and effectively gets the material ability, simultaneously, utilizes lime stone material heap oblique angle and material gravitational potential energy, reduces the scraper blade resistance, improves scraper blade and chain life, reduces equipment operation trouble, improves equipment operating efficiency. The end beam travelling mechanism 6 drives the door-shaped frame 4 and the scraper system 5 to reciprocate left and right along the circular track, so that the material taking surface is in a fan shape, the material piling and material collapsing can be effectively reduced, and the uniformity of the scraped materials is improved.

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. A circular door type top-stacking limestone taking reclaimer for cement manufacturing is characterized by comprising a feeding belt conveyor and a steel truss (1) thereof, a distribution belt conveyor (2), an amplitude variation device (3), a door-shaped frame (4), a scraper system (5), an end beam travelling mechanism (6), a discharging belt (8) and a central column (9); the feeding belt conveyor and the steel truss (1) thereof are distributed above the distribution belt conveyor (2) and connected with the top end of the central column (9) in a direction opposite to that of the door-shaped frame (4); the amplitude variation device (3) is arranged above the door-shaped frame (4); the portal frame (4) is arranged at the lower part of the distribution belt conveyor (2), one end of the portal frame is connected with the central column (9) through a central hinged support (21), and the other end of the portal frame is connected with the end beam walking mechanism (6); one end of the scraper system (5) is arranged at the lower part of the portal frame (4), and the other end of the scraper system is connected with the amplitude variation device (3); the discharging belt (8) is distributed at the bottom end of the central column (9).

2. The circular door type top-stacking and top-taking limestone reclaimer for cement manufacturing as claimed in claim 1, wherein said scraper system (5) is composed of a scraper motor (10), a scraper reducer (11), a driving wheel (12), a scraper (13), a cantilever beam (14) and a driven wheel (15), said scraper motor (10) and scraper reducer (11) are two groups, distributed on both sides of the driving wheel (12); the driven wheel (15) is mounted at the tail of the cantilever beam (14), and the scraper (13) is annularly arranged on the cantilever beam (14) together with the driving wheel (12) and the driven wheel (15) through chains.

3. The circular door type top-stacking limestone reclaimer for cement manufacturing as claimed in claim 1, wherein said end beam traveling mechanism (6) is composed of circular track (16), traveling wheel (17), traveling reducer (18), traveling motor (19), end beam hinged support (20), said end beam traveling mechanism (6) is connected with the door type frame (4) through the end beam hinged support (20); the walking motor (19) and the walking speed reducer (18) are connected with a walking wheel driving shaft, and the walking wheel (17) is arranged above the circular track (16).

4. The round door type roof piling and limestone taking reclaimer for cement manufacturing as claimed in claim 1, wherein said amplitude varying device (3) is composed of a windlass (23) and a pulley block (24), a supporting seat (22) of the windlass (23) is connected with the door type frame (4), and the pulley block (24) is connected with the door type frame (4).

5. The round door type top-stacking and top-taking limestone reclaimer for cement manufacturing as claimed in claim 3, wherein said traveling motor (19) employs a variable frequency motor.

6. The round type gantry roof stacker and limestone reclaimer for cement manufacturing of claim 4, wherein said hoist (23) is an electric hoist.