CN212691810U

CN212691810U - Ash removal device for thermal power plant boiler

Info

Publication number: CN212691810U
Application number: CN202021563909.5U
Authority: CN
Inventors: 赵文亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-12
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a dust cleaning device for a boiler of a thermal power plant, which comprises a boiler body, wherein a box body is horizontally arranged on the inner wall of the top end face of the boiler body, a bottom cover is horizontally arranged at the bottom end of the box body, the two groups of bottom covers are symmetrically arranged, a first electric telescopic arm is vertically and rotatably arranged on the top wall of the boiler body in the box body, a connecting block is vertically and downwardly fixed at the telescopic end of the first electric telescopic arm, a second electric telescopic arm is horizontally arranged on both side walls of the connecting block, a second motor is fixedly arranged on the position, corresponding to the first electric telescopic arm, on the top end face of the boiler body, and the second motor is in driving connection with the first electric telescopic arm; the vertical riser that is fixed with of flexible end of second electric flexible arm, the riser is kept away from the vertical slide bar that is provided with of one end of second electric flexible arm. This ash removal device for steam power plant boiler, it is rational in infrastructure, have good buffering effect and convenient to use, be worth promoting.

Description

Ash removal device for thermal power plant boiler

Technical Field

The utility model belongs to the technical field of the boiler of steam power plant, concretely relates to ash removal device for boiler of steam power plant.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, soot is adhered to the heating surface and the flue of the boiler after the boiler is used for a period of time, the soot is deposited on the heating surface, and a soot cleaning device is required to be used.

The utility model discloses a chinese utility model patent with application number 201921373550.2 discloses a ash removal device for steam power plant boiler, including the outer sleeve, the top activity of outer sleeve is pegged graft there is the inner skleeve, one side threaded connection in the outer sleeve top has a clamping screw, the one end of clamping screw runs through the lateral wall of outer sleeve and extends to the inside of outer sleeve, the one end that clamping screw extends to the inside of outer sleeve is connected with inner skleeve threaded connection, the fixed welding in top of inner skleeve has the mounting panel, the utility model effectively solves the problem that the existing ash removal device for steam power plant boiler needs to use the cleaning brush, because the cleaning brush is mostly connected with the device through nut screw thread, because the cleaning brush is more serious after using for a period of time, needs to change the cleaning drama frequently, can lead to the problem that the nut appears the silk sliding, thereby leads to the, thereby causing the problems that the deposited ash on the inner wall of the boiler can not be effectively removed and the ash removing efficiency is reduced.

Although be provided with the buffering effect to the cleaning brush among the above-mentioned technical scheme, the effect is general, and partial boiler deashing is more frequent, because deashing operation process is complicated among the above-mentioned technical scheme, needs the manual work to carry the deashing with ash removal device to boiler department, and then spends a large amount of time and manpower and materials, consequently, needs further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ash removal device for steam power plant boiler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a box body is horizontally arranged on the inner wall of the top end face of the boiler body, a bottom cover is horizontally arranged at the bottom end of the box body, two groups of the bottom covers are symmetrically arranged, a first electric telescopic arm is vertically and rotatably arranged on the top wall of the boiler body in the box body, a connecting block is vertically and downwardly fixed at the telescopic end of the first electric telescopic arm, second electric telescopic arms are horizontally arranged on two side walls of the connecting block, a second motor is fixedly arranged on the position, corresponding to the first electric telescopic arm, of the top end face of the boiler body, and the second motor is in driving connection with the first electric telescopic arm;

the vertical riser that is fixed with of flexible end of the electronic flexible arm of second, the vertical slide bar that is provided with of one end that the electronic flexible arm of second was kept away from to the riser, the both ends of slide bar are all fixed on the riser through the fixed block, the slider has been put to the top and the equal slip cap in bottom of slide bar, the one end that the riser was kept away from to the slider is rotated and is connected with the connecting rod, the one end that the slider was kept away from to the connecting rod is rotated with the mounting panel and is connected, the mounting panel is on a parallel with the riser setting and the one end of keeping away from the riser is provided with the scraper blade, is located two sets of all the cover.

Preferably, the two groups of bottom covers are arranged at the bottom ends of the two side walls of the box body in a sliding mode, driving grooves are formed in the top end faces of the two groups of bottom covers, first motors are vertically arranged on the inner walls of the two side walls of the bottom end of the box body through fixing plates, the bottom ends of the first motors are connected with rotating rods in a driving mode, gears are horizontally fixed at the bottom ends of the rotating rods and located in the driving grooves, and racks meshed with the gears are arranged on the two side walls of the driving grooves.

Preferably, the two groups of connecting rods which are connected with the same mounting plate are arranged in a crossed manner, and the crossed positions of the two groups of connecting rods are rotatably connected.

Preferably, two ends of the top end faces of the two groups of bottom covers are provided with limiting blocks.

Preferably, the top end face of the boiler body is provided with a vent at a position corresponding to the box body.

The utility model discloses a technological effect and advantage: according to the ash removal device for the boiler of the thermal power plant, through the arrangement of the box body, under the matching of the first motor, the box cover, the driving groove, the gear and the rotating rod, the first electric telescopic arm and the second electric telescopic arm can be contracted into the box body after ash removal is finished, so that ash accumulation is avoided even if the ash removal device is used for removing ash next time; under the cooperation of slide bar, slider, spring, connecting rod, mounting panel, play the effect that makes elasticity butt between scraper blade and the boiler body at the deashing in-process to avoid the scraper blade to cause the damage of scraping to the boiler body, and because pressure passes through the slider conduction to the slide bar both ends, and then make its buffering effect better. This ash removal device for steam power plant boiler, it is rational in infrastructure, have good buffering effect and convenient to use, be worth promoting.

Drawings

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

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged view of the position B in fig. 1 according to the present invention;

fig. 4 is a schematic view of the driving groove structure of the present invention.

In the figure: the boiler comprises a boiler body 1, a box body 2, a bottom cover 3, a first electric telescopic arm 4, a second electric telescopic arm 5, a connecting block 6, a vertical plate 7, a sliding rod 8, a spring 9, a sliding block 10, a connecting rod 11, a mounting plate 12, a scraper plate 13, a motor 14, a rotating rod 15, a limiting block 16, a gear 17, a driving groove 18 and a second motor 19.

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.

The utility model provides a dust cleaning device for a boiler of a thermal power plant as shown in figures 1-4, which comprises a boiler body 1, a box body 2 is horizontally arranged on the inner wall of the top end face of the boiler body 1, a bottom cover 3 is horizontally arranged on the bottom end of the box body 2, the bottom cover 3 is symmetrically provided with two groups, a first electric telescopic arm 4 is vertically and rotatably arranged on the top wall of the boiler body 1 positioned in the box body 2, the telescopic end of the first electric telescopic arm 4 is vertically downward and is fixedly provided with a connecting block 6, a second electric telescopic arm 5 is horizontally arranged on both side walls of the connecting block 6, a second motor 19 is fixedly arranged on the position corresponding to the first electric telescopic arm 4 on the top end face of the boiler body 1, and the second motor 19 is in driving connection with the first electric telescopic arm 4;

a vertical plate 7 is vertically fixed at the telescopic end of the second electric telescopic arm 5, a sliding rod 8 is vertically arranged at one end of the vertical plate 7 far away from the second electric telescopic arm 5, the two ends of the slide bar 8 are fixed on the vertical plate 7 through the fixing blocks, the top and the bottom of the slide bar 8 are sleeved with the slide blocks 10 in a sliding way, one end of the sliding block 10 far away from the vertical plate 7 is rotatably connected with a connecting rod 11, one end of the connecting rod 11 far away from the sliding block 10 is rotatably connected with a mounting plate 12, the mounting plates 12 are arranged in parallel with the vertical plate 7, one ends of the mounting plates 12 far away from the vertical plate 7 are provided with scrapers 13, the scrapers 13 and brushes can be respectively mounted on the mounting plates 12 at the two ends of the two groups of second electric telescopic arms 5, therefore, the ash removal effect is better, the sliding rods 8 which are positioned at the ends, far away from each other, of the two groups of sliding blocks 10 are sleeved with the springs 9, and two ends of each spring 9 are respectively welded with the sliding blocks 10 and the fixing blocks.

Specifically, two sets of bottom 3 all slide to wear to put in the bottom of 2 both sides walls of box, and two sets of all seted up drive groove 18 on the top face of bottom 3, all vertically install first motor 14 through the fixed plate on the inner wall of 2 bottom both sides walls of box, the bottom drive of first motor 14 is connected with bull stick 15, the bottom level of bull stick 15 is fixed with gear 17, gear 17 is located drive groove 18, just be provided with on the both sides wall of drive groove 18 with the rack of gear 17 meshing, through starting first motor 14 control gear 17 and rotate, can accomplish opening and close of bottom 3.

Specifically, connect same mounting panel 12 is two sets of connecting rod 11 sets up alternately, and is two sets of connecting rod 11 junction rotates to be connected to reach better buffering effect.

Specifically, two ends of the top end face of the two groups of bottom covers 3 are provided with limiting blocks 16, so that the bottom covers 3 are prevented from slipping off the box body 2.

Specifically, a ventilation opening is formed in the position, corresponding to the box body 2, on the top end face of the boiler body 1 and used for heat dissipation and air exhaust, and the box body 2 and the bottom cover 3 are made of heat-resistant materials.

The working principle is as follows: when the ash removal device for the boiler of the thermal power plant is used, firstly, two groups of first motors 14 in a box body 2 are started simultaneously to drive a rotating rod 15 and a gear 17 to rotate, the rotation of the gear 17 drives a bottom cover 3 to move horizontally under the cooperation of a rack, so that the purpose of opening the bottom cover 3 is achieved, secondly, a first electric telescopic arm 4 is started to drive a connecting block 6 to move to the lower part of the box body 2, then, second electric telescopic arms 5 on two sides of the connecting block 6 are started to drive a vertical plate 7 to move towards two sides of the boiler body 1 until a scraping plate 13 at the front end of a mounting plate 12 is abutted to the boiler body 1, at the moment, a second motor 19 is started, the second motor 19 drives the first electric telescopic arm 4, the connecting block 6 and the second electric telescopic arm 5 to rotate, the scraping plate 13 is driven to rub with the side wall of the boiler body 1, so as to achieve the purpose of ash removal, and further, the first electric telescopic arm 4, along with the propulsion of riser 7, produce pressure between scraper blade 13 and the boiler body 1, and then push two sets of sliders 10 under the effect of connecting rod 11 and slide towards slide bar 8 both ends along slide bar 8, alright play the effect of buffering under the effect of spring 9 elasticity this moment to avoid scraper blade 13 to cause scraping the damage to boiler body 1, and because pressure passes through slider 10 conduction to slide bar 8 both ends, and then make its buffering effect better. This ash removal device for steam power plant boiler, it is rational in infrastructure, have good buffering effect and convenient to use, be worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a dust cleaning device for steam power plant boiler, includes boiler body (1), its characterized in that: the boiler comprises a boiler body (1), a box body (2) is horizontally arranged on the inner wall of the top end face of the boiler body (1), a bottom cover (3) is horizontally arranged at the bottom end of the box body (2), the two groups of bottom covers (3) are symmetrically arranged, a first electric telescopic arm (4) is vertically and rotatably arranged on the top wall of the boiler body (1) in the box body (2), a connecting block (6) is vertically and downwardly fixed at the telescopic end of the first electric telescopic arm (4), second electric telescopic arms (5) are horizontally arranged on the two side walls of the connecting block (6), a second motor (19) is fixedly arranged on the top end face of the boiler body (1) at a position corresponding to the first electric telescopic arm (4), and the second motor (19) is in driving connection with the first electric telescopic arm (4);

a vertical plate (7) is vertically fixed at the telescopic end of the second electric telescopic arm (5), a sliding rod (8) is vertically arranged at one end of the vertical plate (7) far away from the second electric telescopic arm (5), the two ends of the slide bar (8) are fixed on the vertical plate (7) through fixing blocks, the top and the bottom of the slide bar (8) are sleeved with slide blocks (10) in a sliding manner, one end of the sliding block (10) far away from the vertical plate (7) is rotatably connected with a connecting rod (11), one end of the connecting rod (11) far away from the sliding block (10) is rotatably connected with the mounting plate (12), the mounting plate (12) is arranged in parallel with the vertical plate (7) and one end far away from the vertical plate (7) is provided with a scraper (13), the sliding rods (8) at the ends far away from the vertical plate (7) of the two groups of sliding blocks (10) are sleeved with springs (9), and two ends of the spring (9) are respectively welded with the sliding block (10) and the fixed block.

2. The ash removal device for the boiler of the thermal power plant according to claim 1, wherein: two sets of bottom (3) all slide to wear to put in the bottom of box (2) both sides wall, and two sets of all seted up drive groove (18) on the top face of bottom (3), all vertically install first motor (14) through the fixed plate on the inner wall of box (2) bottom both sides wall, the bottom drive of first motor (14) is connected with bull stick (15), the bottom level of bull stick (15) is fixed with gear (17), gear (17) are located drive groove (18), just be provided with on the both sides wall of drive groove (18) with the rack of gear (17) meshing.

3. The ash removal device for the boiler of the thermal power plant according to claim 1, wherein: the two groups of connecting rods (11) which are connected with the same mounting plate (12) are arranged in a cross mode, and the cross position of the two groups of connecting rods (11) is connected in a rotating mode.

4. The ash removal device for the boiler of the thermal power plant according to claim 1, wherein: and two ends of the top end surfaces of the two groups of bottom covers (3) are provided with limiting blocks (16).

5. The ash removal device for the boiler of the thermal power plant according to claim 1, wherein: and a ventilation opening is formed in the position, corresponding to the box body (2), on the top end face of the boiler body (1).