CN215363529U

CN215363529U - Coal feeder of thermal power factory

Info

Publication number: CN215363529U
Application number: CN202023151095.7U
Authority: CN
Inventors: 吴晓超
Original assignee: DATANG HUAIBEI POWER PLANT
Current assignee: DATANG HUAIBEI POWER PLANT
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-31
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a coal feeder of a thermal power plant, and particularly relates to the field of coal feeders. Among the above-mentioned scheme, the air compression pump, the hose, quick valve and galvanized pipe have reached the effect of effective processing former coal scuttle chute blockage problem, solve the former coal scuttle chute blockage problem of coal feeder through utilizing this instrument, only need two people to cooperate half hour just can solve, four to five people's time one day before comparing, manpower use and the great reduction in the processing time, the maintenance cost has been practiced thrift, avoided losing the emergence that makes the unit load reduction phenomenon for a long time because of coal feeder equipment, the safe economic steady operation of unit has been ensured.

Description

Coal feeder of thermal power factory

Technical Field

The utility model relates to the technical field of coal feeders, in particular to a coal feeder of a thermal power plant.

Background

The existing device for solving the problem of coal blockage of the raw coal bucket of the coal feeder is an upper, middle and lower three-layer pneumatic rapping device, when the raw coal bucket blocks coal, a coal-breaking signal of the coal feeder is sent out, the signal is fed back to the raw coal bucket rapping device, and the rapping device arranged on the raw coal bucket acts, so that the problem of coal blockage of the raw coal bucket is solved.

However, when the coal blockage phenomenon is caused by the fact that the coal outlet is blocked by the damp raw coal or the large sundries contained in the coal, the coal blockage problem cannot be effectively solved by the raw coal hopper rapping device, and on the contrary, the lower portion of the raw coal hopper is more and more difficult to solve the coal blockage problem due to the rapping effect of the rapping device, and the raw coal hopper of the existing coal feeder is not provided with an auxiliary blanking assembly, so that the coal feeding amount of the coal feeder equipment is uneven, the coal feeding conveyor belt is easily damaged, and the subsequent crushing and other operations are not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a coal feeder for a thermal power plant, so as to solve the problems that the coal feeder in the prior art cannot effectively handle coal blockage of a raw coal bunker and the blanking is not uniform.

In order to achieve the purpose, the utility model provides the following technical scheme:

a coal feeder of a thermal power plant comprises a machine body, wherein a raw coal hopper is arranged at the top of the machine body, a filtering sieve plate is arranged inside the raw coal hopper, a connecting plate is arranged on the side surface of the filtering sieve plate, a sliding block is arranged on one side of the connecting plate, a track plate is fixedly arranged inside the raw coal hopper, a rotating shaft is movably arranged inside the raw coal hopper, a driving motor is fixedly connected with one end of the rotating shaft, a cam is fixedly arranged on the outer surface of the rotating shaft, a reset component is fixedly arranged on one side of the track plate, the bottom of the raw coal hopper is communicated with a buffer cavity, a discharge hole is communicated with the bottom of the buffer cavity, an outer cover body is arranged at the bottom of the machine body, a conveying mechanism is arranged inside the outer cover body, an opening is formed in the bottom of the outer cover body, an air compression pump is arranged at the top of the outer cover body, and a hose is fixedly connected to one side of the air compression pump, the other end of the hose is fixedly connected with a galvanized pipe.

Reset assembly is including restoring to the throne the board, restoring to the throne shell, connecting rod, stopper and reset spring, the bottom of the board that restores to the throne and the top fixed connection of the shell that restores to the throne, connecting rod and the shell sliding connection that restores to the throne, the outside of stopper and the inner wall sliding connection of the shell that restores to the throne, reset spring's both ends respectively with the top of stopper and the bottom fixed connection of the board that restores to the throne.

The conveying mechanism comprises a driving roller, a conveying belt is arranged on the outer surface of the driving roller, the other end of the conveying belt is sleeved on the outer surface of the driven roller, and the driving roller is fixedly connected with a motor through a rotating shaft.

The quantity of connecting plate, slider and track board all is provided with two, and is two sets of the equal symmetry of connecting plate, slider and track board sets up the both sides at former coal scuttle inner wall, the slider is with the inner wall sliding connection of track board, just one side of slider is through connecting plate and filter sieve fixed connection.

The bottom of the driving motor is fixedly provided with a supporting plate, the driving motor is fixedly connected with the outer wall of the raw coal hopper through the supporting plate, the output end of the driving motor is fixedly connected with the rotating shaft, the rotating shaft is arranged below the filtering sieve plate, and the two ends of the rotating shaft are rotatably connected with the inner wall of the raw coal hopper through bearings.

The reset assembly is arranged on the connecting rod, one end of the reset assembly is fixedly connected with the top of the connecting plate, one end of the connecting rod penetrates through the reset shell, and two ends of the connecting rod are fixedly connected with the limiting blocks and the top of the connecting plate respectively.

The galvanized pipe is detachably mounted on one side of the machine body through a fixing piece, the length of the galvanized pipe is four to six meters at two points, and one end of the galvanized pipe is arranged to be an oblique angle of forty-five degrees.

The utility model has the technical effects and advantages that:

in the scheme, the coal feeder of the thermal power plant is provided with the air compression pump, the hose and the galvanized pipe, so that the problem of coal blockage of a raw coal hopper can be effectively solved, the labor use and the processing time are greatly reduced, the maintenance cost is saved, the load reduction phenomenon of a unit caused by long-time loss of spare equipment of the coal feeder is avoided, and the safe, economic and stable operation of the unit is ensured; raw coal fill, filtration sieve, driving motor and reset assembly have reached the effect that the feeder can evenly feed the coal, and through opening driving motor, driving motor passes through the connecting plate and drives the filtration sieve shake about fixed with the connecting plate to make the raw coal evenly fall from raw coal fill, can guarantee that the size that gets into the raw coal is even, improved the efficiency of raw coal subsequent processing greatly, can avoid the raw coal fill to take place to block up simultaneously, the practicality is stronger.

Drawings

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

FIG. 2 is a schematic view of the structure of the raw coal hopper of the present invention;

FIG. 3 is a schematic diagram of a filter screen structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is an enlarged view of FIG. 1 at B;

FIG. 6 is a schematic view of the structure of the galvanized pipe of the present invention.

The reference signs are:

1. a body; 2. a raw coal hopper; 3. filtering the sieve plate; 4. a connecting plate; 5. a slider; 6. a track plate; 7. A rotating shaft; 8. a drive motor; 9. a cam; 10. a reset assembly; 101. a reset plate; 102. resetting the shell; 103. a connecting rod; 104. a limiting block; 105. a return spring; 11. a buffer chamber; 12. a feeding port; 13. an outer cover body; 14. a drive roll; 15. a conveyor belt; 16. a driven roller; 17. an opening; 18. a squeegee; 19. adjusting the nut; 20. an adjusting handle; 21. an air compression pump; 22. a hose; 23. a quick valve; 24. galvanizing the pipe; 25. and a fixing member.

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.

As shown in fig. 1 to 6, an embodiment of the present invention provides a coal feeder for a thermal power plant, which includes a machine body 1, a raw coal hopper 2 is disposed at the top of the machine body 1, a filtering sieve plate 3 is disposed inside the raw coal hopper 2, a connecting plate 4 is disposed on a side surface of the filtering sieve plate 3, a slider 5 is disposed on one side of the connecting plate 4, a track plate 6 is fixedly mounted inside the raw coal hopper 2, a rotating shaft 7 is movably mounted inside the raw coal hopper 2, one end of the rotating shaft 7 is fixedly connected with a driving motor 8, a cam 9 is fixedly mounted on an outer surface of the rotating shaft 7, a reset assembly 10 is fixedly mounted on one side of the track plate 6, a buffer cavity 11 is communicated with the bottom of the raw coal hopper 2, a discharge port 12 is communicated with the bottom of the buffer cavity 11, an outer cover body 13 is disposed at the bottom of the machine body 1, a conveying mechanism is disposed inside the outer cover body 13, an opening 17 is disposed at the bottom of the outer cover body 13, an air compression pump 21 is arranged at the top of the outer cover body 13, one side of the air compression pump 21 is fixedly connected with a hose 22, and the other end of the hose 22 is fixedly connected with a galvanized pipe 24;

the reset assembly 10 comprises a reset plate 101, a reset shell 102, a connecting rod 103, a limiting block 104 and a reset spring 105, wherein the bottom of the reset plate 101 is fixedly connected with the top of the reset shell 102, the connecting rod 103 is slidably connected with the reset shell 102, the outer side of the limiting block 104 is slidably connected with the inner wall of the reset shell 102, and two ends of the reset spring 105 are fixedly connected with the top of the limiting block 104 and the bottom of the reset plate 101 respectively.

Wherein, transport mechanism includes drive roll 14, and the surface of drive roll 14 is provided with conveyer belt 15, and the other end cover of conveyer belt 15 is established at the surface of driven voller 16, and drive roll 14 is through pivot fixedly connected with motor.

As shown in fig. 2 and 3, two connecting plates 4, two sliding blocks 5 and two track plates 6 are arranged, two groups of connecting plates 4, two groups of sliding blocks 5 and two groups of track plates 6 are symmetrically arranged on two sides of the inner wall of the raw coal hopper 2, the sliding blocks 5 are connected with the inner wall of the track plates 6 in a sliding way, one side of the sliding block 5 is fixedly connected with the filtering sieve plate 3 through a connecting plate 4, the bottom of the driving motor 8 is fixedly provided with a supporting plate, the driving motor 8 is fixedly connected with the outer wall of the raw coal hopper 2 through the supporting plate, the output end of the driving motor 8 is fixedly connected with a rotating shaft 7, the rotating shaft 7 is arranged below the filtering sieve plate 3, and both ends of the rotating shaft 7 are rotationally connected with the inner wall of the raw coal hopper 2 through bearings, two cams 9 are arranged, and two cams 9 are symmetrically fixed on the outer surfaces of both ends of the rotating shaft 7, and the outer sides of the cams 9 are in contact with the bottom of the connecting plate 4.

Concretely, driving motor 8 opens the operation, drives output fixed connection's axis of rotation 7 through driving motor 8 and rotates, because the outside symmetry at axis of rotation 7 both ends is provided with cam 9, and cam 9's top is fixed with connecting plate 4 to drive 4 one side fixed mounting's of connecting plate filtration sieve 3 shake from top to bottom, thereby make the raw coal evenly fall inside organism 1, take place the effect of jam when reaching the big raw coal of sifting out and raw coal unloading.

As shown in fig. 4, one end of the reset assembly 10 is fixedly connected to the top of the connecting plate 4, one end of the connecting rod 103 penetrates through the reset shell 102, and two ends of the connecting rod 103 are respectively fixedly connected to the limiting block 104 and the top of the connecting plate 4.

Specifically, the both ends of reset spring 105 respectively with the top of stopper 104 and the inner wall fixed connection at reset shell 102 top, filter sieve plate 3 and shake from top to bottom along with the rotation of cam 9, can make through subassembly 10 that resets filter sieve plate 3 can be quick reset to can prevent to filter sieve plate 3 and block at the in-process accident of shaking.

As shown in fig. 5, a scraper 18 is arranged above the conveyor 15, the scraper 18 is fixedly connected with the machine body 1 through an adjusting nut 19, and an adjusting handle 20 is arranged at the tail of the scraper 18.

Specifically, the scraper 18 scrapes off the coal on the conveyor belt 15, so that the conveyor belt 15 provides a stable coal flow output, the scraper 18 is fixedly connected with the machine body 1, the scraper is fastened through a structure of an adjusting nut 19, and the distance between the scraper 18 and the conveyor belt 15 can be adjusted up and down through the structure, so that the amount of the coal conveyed through the conveyor belt 15 can be changed.

As shown in fig. 6, a quick valve 23 is disposed at a connection position of the hose 22 and the galvanized pipe 24, the galvanized pipe 24 is detachably mounted at one side of the machine body 1 through a fixing member 25, the length of the galvanized pipe 24 is two points four to two points six meters, and one end of the galvanized pipe 24 is set to be an oblique angle of forty-five degrees.

Specifically, when the raw coal bucket 2 is blocked by raw coal, the air compression pump 21 is started, the quick valve 23 is opened, the galvanized pipe 24 is held by hand, the tip end is inserted into the coal blocking part, compressed air is conveyed into the galvanized pipe 24 through the hose 22, and the compressed air enters gaps among coal particles through the galvanized pipe 24, so that the coal becomes loose, the fluidity of the coal is increased, and meanwhile, the coal is blown away by the pressure of the compressed air.

The working process of the utility model is as follows:

in the above scheme, the air compression pump 21, the hose 22, the quick valve 23 and the galvanized pipe 24 achieve the effect of effectively treating the coal blockage problem of the raw coal hopper 2, the filter sieve plate 3, the driving motor 8 and the reset component 10 achieve the effect that the coal feeder can uniformly feed coal, the driving motor 8 is started to operate, the driving motor 8 drives the rotating shaft 7 fixedly connected with the output end of the rotating shaft 7 to rotate, the cams 9 are symmetrically arranged on the outer sides of the two ends of the rotating shaft 7, the top of each cam 9 is fixed with the connecting plate 4, so that the filter sieve plate 3 fixedly installed on one side of the connecting plate 4 is driven to shake up and down, the raw coal uniformly falls into the machine body 1, the effect of blockage generated when the oversize raw coal is screened out and the raw coal is discharged is achieved, the conveying belt 15 is driven to convey the raw coal by starting the conveying mechanism, the coal on the conveying belt 15 is scraped by the scraper 18, the conveyor belt 15 is enabled to provide stable coal flow output, the scraper 18 is fixedly connected with the machine body 1, the scraper is fastened through the structure of the adjusting nut 19, the distance between the scraper 18 and the conveyor belt 15 can be adjusted up and down through the structure, so that the amount of coal conveyed through the conveyor belt 15 is changed, and the practicability is high.

In the scheme, the machine body 1 is matched with the fixing part 25, so that the problems that the coal feeder cannot effectively treat coal blockage of the raw coal hopper 2 and the blanking is not uniform in the prior art are solved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A coal feeder of a thermal power plant comprises a machine body (1), wherein a raw coal hopper (2) is arranged at the top of the machine body (1), and is characterized in that a filtering sieve plate (3) is arranged inside the raw coal hopper (2), a connecting plate (4) is arranged on the side surface of the filtering sieve plate (3), a sliding block (5) is arranged on one side of the connecting plate (4), a track plate (6) is fixedly arranged inside the raw coal hopper (2), and the sliding block (5) is in sliding connection with the inner wall of the track plate (6);

a rotating shaft (7) is movably mounted inside the raw coal hopper (2), one end of the rotating shaft (7) is fixedly connected with a driving motor (8), a cam (9) is fixedly mounted on the outer surface of the rotating shaft (7), and the outer side of the cam (9) is in contact with the bottom of the connecting plate (4);

a reset assembly (10) is fixedly mounted on one side of the track plate (6), the reset assembly (10) comprises a reset plate (101), a reset shell (102), a connecting rod (103), a limiting block (104) and a reset spring (105), the bottom of the reset plate (101) is fixedly connected with the top of the reset shell (102), the top end of the connecting rod (103) is fixedly connected with the limiting block (104), the outer side of the limiting block (104) is slidably connected with the inner wall of the reset shell (102), two ends of the reset spring (105) are respectively connected with the top of the limiting block (104) and the bottom of the reset plate (101), and the bottom end of the connecting rod (103) is fixedly connected with the top of the connecting plate (4);

the utility model discloses a coal stove, including raw coal bucket (2), the bottom intercommunication of raw coal bucket (2) has cushion chamber (11), the bottom intercommunication of cushion chamber (11) has feed opening (12), the bottom of organism (1) is provided with the dustcoat body (13), the inside of dustcoat body (13) is provided with transport mechanism, opening (17) have been seted up to the bottom of the dustcoat body (13), the top of the dustcoat body (13) is provided with air compressor pump (21), one side fixedly connected with hose (22) of air compressor pump (21), the other end fixedly connected with galvanized pipe (24) of hose (22), the junction of hose (22) and galvanized pipe (24) is provided with quick valve (23).

2. The coal feeder of the thermal power plant as claimed in claim 1, wherein the conveying mechanism comprises a driving roller (14), a conveying belt (15) is arranged on the outer surface of the driving roller (14), the other end of the conveying belt (15) is sleeved on the outer surface of a driven roller (16), and the driving roller (14) is fixedly connected with a motor through a rotating shaft.

3. The coal feeder of the thermal power plant as claimed in claim 1, wherein the number of the connecting plates (4), the sliding blocks (5) and the track plates (6) is two, and the two track plates (6) are symmetrically arranged on two sides of the inner wall of the raw coal hopper (2).

4. The coal feeder of the thermal power plant as claimed in claim 1, wherein a support plate is fixedly mounted at the bottom of the driving motor (8), the driving motor (8) is fixedly connected with the outer wall of the raw coal hopper (2) through the support plate, the output end of the driving motor (8) is fixedly connected with a rotating shaft (7), the rotating shaft (7) is arranged below the filtering sieve plate (3), and two ends of the rotating shaft (7) are rotatably connected with the inner wall of the raw coal hopper (2) through bearings.

5. The coal feeder of the thermal power plant as claimed in claim 1, wherein the number of the cams (9) is two, and the two cams (9) are symmetrically fixed on the outer surfaces of both ends of the rotating shaft (7).

6. Coal feeder of a thermal power plant according to claim 1, characterized in that one end of the connecting rod (103) is arranged through the reset housing (102).

7. The coal feeder of the thermal power plant as claimed in claim 2, characterized in that a scraper (18) is arranged above the conveyor belt (15), the scraper (18) is fixedly connected with the machine body (1) through an adjusting nut (19), and an adjusting handle (20) is arranged at the tail part of the scraper (18).

8. The coal feeder of the thermal power plant as claimed in claim 1, wherein the galvanized pipe (24) is detachably mounted on one side of the machine body (1) through a fixing member (25), the length of the galvanized pipe (24) is four to six meters at two points, and one end of the galvanized pipe (24) is set to be an oblique angle of forty-five degrees.