CN214791190U

CN214791190U - Boiler ash and slag discharging device for power plant

Info

Publication number: CN214791190U
Application number: CN202120377970.9U
Authority: CN
Inventors: 金荣华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-11-19
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses a power plant is with boiler lime-ash eduction gear, including boiler and the ash discharging port of setting on the boiler lateral wall, the backup pad that two symmetries of boiler bottom fixedly connected with set up, the spout that two symmetries set up is seted up to the ash discharging port inside wall, spout inside wall rotates and is connected with first threaded rod, two be equipped with cleaning device between the first threaded rod, concave groove has been seted up to the backup pad lateral wall, the bottom rotates and is connected with the second threaded rod in the concave groove. The utility model discloses, under mutually supporting of spout, first threaded rod, concave groove, second threaded rod, servo motor, first belt, cleaning device and ash discharging device, let servo motor drive cleaning device clearance ash discharge mouth, also let ash discharging device discharge coal ash simultaneously, compare in the manual work and take out coal ash with use tool, the device takes out coal ash labour saving and time saving more, and efficiency is higher.

Description

Boiler ash and slag discharging device for power plant

Technical Field

The utility model relates to a power plant technical field especially relates to a boiler lime-ash eduction gear for power plant.

Background

The boiler ash refers to a final product formed after mineral substances in fire coal undergo certain physicochemical changes under the high-temperature action caused by combustion in a boiler, and the ash can cause the problems of pollution, slagging, corrosion, heating surface abrasion and the like in the boiler, so that the normal operation of the boiler is influenced, and the ash must be effectively and timely removed.

Present boiler that power plant used needs regularly clearance coal ash, and the combustion chamber discharge inside the boiler can be followed to the coal ash, when accumulating certain coal ash volume, just needs artifical use tools to draw out the coal ash, but artifical clearance boiler coal ash wastes time and energy, and is inefficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of time and energy waste and low efficiency of manual cleaning of boiler coal ash in the prior art, and providing a boiler ash and slag discharging device for power plants.

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

a boiler ash discharging device for a power plant comprises a boiler and an ash discharging port arranged on the outer side wall of the boiler, wherein two symmetrically arranged supporting plates are fixedly connected to the bottom of the boiler, two symmetrically arranged sliding grooves are formed in the inner side wall of the ash discharging port, first threaded rods are rotatably connected to the inner side wall of each sliding groove, a cleaning device is arranged between the two first threaded rods, a concave groove is formed in the outer side wall of each supporting plate, a second threaded rod is rotatably connected to the bottom in the concave groove, bevel gears are fixedly sleeved on the outer side walls of the first threaded rods and the second threaded rods, two adjacent bevel gears are meshed and connected, a mounting groove is formed in the bottom in one concave groove, a servo motor is fixedly connected to the bottom in the mounting groove, an output shaft of the adjacent servo motor is fixedly connected with the end part of the second threaded rod, the two second threaded rods are connected through a first belt in a transmission manner, ash hole, two have been seted up to the bottom in the ash discharge hole the same elevator is cup jointed to second threaded rod screw thread, the elevator rotates to be connected with and puts the ash block, the elevator with put ash block lateral wall all with ash hole inside wall sliding connection, one of them the backup pad lateral wall is equipped with lets the ash discharging device who puts the slope of ash block.

Preferably, cleaning device includes the cleaning plate of sliding connection at two ash discharge openings inside walls, a plurality of clearance pieces of cleaning plate bottom fixedly connected with, two first screw holes have been seted up to the cleaning plate lateral wall, homonymy first threaded rod lateral wall and first screw hole inside wall threaded connection.

Preferably, the ash discharging device comprises a fixing groove arranged on the outer side wall of one of the supporting plates, a third threaded rod is connected to the bottom of the fixing groove in a rotating mode, an inclined block is sleeved on the outer side wall of the third threaded rod in a threaded mode, the outer side wall of the inclined block is connected with the inner side wall of the fixing groove in a sliding mode, the top of the inclined block is in contact with the bottom of the ash discharging block, and one of the inclined block and the ash discharging block is connected with the second threaded rod through a second belt in a transmission mode.

Preferably, two the second threaded rod lateral wall all fixes the cover and is equipped with the first belt pulley with first belt looks adaptation.

Preferably, one of the second threaded rod and the third threaded rod is fixedly sleeved with a second belt pulley matched with the second belt.

Preferably, a third threaded hole is formed in the bottom of the inclined block, and the outer side wall of the third threaded rod is in threaded connection with the inner side wall of the third threaded hole.

The utility model has the advantages that:

under the mutually supporting of spout, first threaded rod, concave groove, second threaded rod, servo motor, first belt, cleaning device and ash discharging device, let servo motor drive cleaning device clearance ash discharge mouth, also let ash discharging device discharge coal ash simultaneously, compare in the manual work with use tools take out coal ash, the device takes out coal ash labour saving and time saving more, and efficiency is higher.

Drawings

FIG. 1 is a schematic structural view of a boiler ash discharger for a power plant according to the present invention;

fig. 2 is a side sectional view of the boiler ash discharger for power plant according to the present invention.

In the figure: 1. a boiler; 2. an ash discharge port; 3. a support plate; 4. a chute; 5. a first threaded rod; 6. a concave groove; 7. a second threaded rod; 8. a servo motor; 9. a first belt; 10. An ash outlet; 11. a lifting block; 12. placing ash blocks; 13. cleaning the plate; 14. cleaning the block; 15. Fixing grooves; 16. a third threaded rod; 17. an inclined block; 18. a second belt.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a boiler ash discharging device for a power plant comprises a boiler 1 and an ash discharging port 2 arranged on the outer side wall of the boiler 1, wherein an ash discharging hole is arranged at the top in the ash discharging port 2, coal ash is formed after the coal in the boiler 1 is combusted, the coal ash is discharged from the ash discharging hole and falls into the ash discharging port 2, two symmetrically arranged supporting plates 3 are fixedly connected to the bottom of the boiler 1, two symmetrically arranged chutes 4 are arranged on the inner side wall of the ash discharging port 2, first threaded rods 5 are rotatably connected to the inner side wall of the chutes 4, a cleaning device is arranged between the two first threaded rods 5, the cleaning device comprises a cleaning plate 13 slidably connected to the inner side wall of the two ash discharging ports 2, a plurality of cleaning blocks 14 are fixedly connected to the bottom of the cleaning plate 13, the plurality of cleaning blocks 14 can concentrate the coal ash falling from the ash discharging hole to the top of an ash discharging block 12, two first threaded holes are arranged on the outer side wall of the cleaning plate 13, the outer side wall of the first threaded rod 5 on the same side is in threaded connection with the inner side wall of the first threaded hole.

The outer side wall of the supporting plate 3 is provided with a concave groove 6, the bottom in the concave groove 6 is rotationally connected with a second threaded rod 7, the outer side walls of the first threaded rod 5 and the second threaded rod 7 are fixedly sleeved with bevel gears, two adjacent bevel gears are meshed and connected, the mounting groove has been seted up to the bottom in one of them concave groove 6, bottom fixedly connected with servo motor 8 in the mounting groove, 8 output shafts of adjacent servo motor and 7 tip fixed connection of second threaded rod, two second threaded rods 7 are connected through the transmission of first belt 9, the equal fixed cover of 7 lateral walls of two second threaded rods is equipped with the first belt pulley with 9 looks adaptations of first belt, ash hole 10 has been seted up to the bottom in

ash discharge port

2, 7 screw thread sockets of two second threaded rods are same elevator 11, elevator 11 rotates and is connected with ash discharging block 12, elevator 11 and ash discharging block 12 lateral walls all with ash hole 10 inside wall sliding connection.

The outer side wall of one of the supporting plates 3 is provided with a dust discharging device for discharging the dust block 12 in an inclined mode, the dust discharging device comprises a fixing groove 15 formed in the outer side wall of one of the supporting plates 3, the bottom of the fixing groove 15 is connected with a third threaded rod 16 in a rotating mode, an inclined block 17 is sleeved on the outer side wall of the third threaded rod 16 in a threaded mode, a third threaded hole is formed in the bottom of the inclined block 17, the outer side wall of the third threaded rod 16 is connected with the inner side wall of the third threaded hole in a threaded mode, the outer side wall of the inclined block 17 is connected with the inner side wall of the fixing groove 15 in a sliding mode, the top of the inclined block 17 is in contact with the bottom of the dust block 12, one of the second threaded rod 7 and the third threaded rod 16 is connected with a second belt pulley in a transmission mode through a second belt 18, and the outer side walls of one of the second threaded rod 7 and the third threaded rod 16 are fixedly sleeved with a second belt pulley in an adaptive mode.

It is noted that the speed of the inclined block 17 moving in the same direction is greater than that of the lifting block 11 at the same rotating speed of the second threaded rod 7 and the third threaded rod 16, so that the purpose of inclining the ash discharging block 12 is to discharge the coal ash on the top of the ash discharging block 12.

The working principle is as follows: when the coal ash in the ash discharging port 2 is accumulated to be cleaned, the servo motor 8 is started, an output shaft of the servo motor 8 drives one of the second threaded rods 7 to rotate, meanwhile, the other second threaded rod 7 is driven to rotate through the first belt 9, and the two second threaded rods 7 drive the lifting block 11 to descend;

the second threaded rod 7 drives the first threaded rod 5 to rotate through meshing of two adjacent bevel gears, the first threaded rod 5 drives the cleaning plate 13 to move in the ash discharge port 2, the cleaning plate 13 moves to drive the cleaning blocks 14 to clean the bottom in the ash discharge port 2, and the cleaning blocks 14 gather the coal ash to the top of the ash discharge block 12;

meanwhile, one of the second threaded rods 7 drives the third threaded rod 16 to rotate through the second belt 18, the third threaded rod 16 drives the inclined block 17 to descend, the descending speed of the inclined block 17 is greater than the descending speed of the lifting block 11, the horizontal height of the inclined block 17 is lower than that of the lifting block 11, the ash discharging block 12 is inclined, after the inclined ash discharging block 12 is inclined, the servo motor 8 is turned off, the inclined ash discharging block 12 allows coal ash at the top of the ash discharging block 12 to be poured, and after all the coal ash at the top of the ash discharging block 12 is poured, the servo motor 8 is started to rotate reversely, and the whole process is opposite to the process until the initial position is reached.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a boiler lime-ash eduction gear for power plant, includes boiler (1) and sets up ash discharging port (2) on boiler (1) lateral wall, its characterized in that, boiler (1) bottom fixedly connected with backup pad (3) that two symmetries set up, ash discharging port (2) inside wall sets up spout (4) that two symmetries set up, spout (4) inside wall rotates and is connected with first threaded rod (5), two be equipped with cleaning device between first threaded rod (5), backup pad (3) lateral wall has seted up concave groove (6), bottom rotation is connected with second threaded rod (7) in concave groove (6), first threaded rod (5) and second threaded rod (7) lateral wall all fixedly cup jointed bevel gear, adjacent two bevel gear meshing connection, one of them the bottom has seted up the mounting groove in concave groove (6), bottom fixedly connected with servo motor (8) in the mounting groove, it is adjacent servo motor (8) output shaft and second threaded rod (7) tip fixed connection, two second threaded rod (7) are connected through first belt (9) transmission, ash hole (10), two have been seted up to ash discharge port (2) bottom second threaded rod (7) screw thread cup joints same elevator (11), elevator (11) rotate and are connected with ash discharging block (12), elevator (11) and ash discharging block (12) lateral wall all with ash hole (10) inside wall sliding connection, one of them backup pad (3) lateral wall is equipped with the ash discharging device that lets ash discharging block (12) slope.

2. The boiler ash discharging device for the power plant according to claim 1, wherein the cleaning device comprises a cleaning plate (13) which is slidably connected to the inner side walls of the two ash discharging ports (2), a plurality of cleaning blocks (14) are fixedly connected to the bottom of the cleaning plate (13), two first threaded holes are formed in the outer side wall of the cleaning plate (13), and the outer side wall of the first threaded rod (5) is in threaded connection with the inner side walls of the first threaded holes at the same side.

3. The boiler ash discharging device for the power plant according to claim 1, wherein the ash discharging device comprises a fixing groove (15) formed in the outer side wall of one of the support plates (3), a third threaded rod (16) is rotatably connected to the bottom of the fixing groove (15), an inclined block (17) is sleeved on the outer side wall of the third threaded rod (16) in a threaded manner, the outer side wall of the inclined block (17) is slidably connected with the inner side wall of the fixing groove (15), the top of the inclined block (17) is in bottom contact with an ash discharging block (12), and one of the second threaded rod (7) and the third threaded rod (16) is in transmission connection through a second belt (18).

4. The boiler ash discharging device for power plants according to claim 1, wherein the outer side walls of the two second threaded rods (7) are fixedly sleeved with first belt pulleys matched with the first belt (9).

5. The boiler ash discharger for power plants according to claim 3, wherein a second belt pulley adapted to the second belt (18) is fixedly sleeved on the outer side wall of one of the second threaded rod (7) and the third threaded rod (16).

6. The boiler ash discharging device for power plants according to claim 3, wherein a third threaded hole is formed at the bottom of the inclined block (17), and the outer side wall of the third threaded rod (16) is in threaded connection with the inner side wall of the third threaded hole.