CN214918920U

CN214918920U - Boiler scale removal device for thermal power plant

Info

Publication number: CN214918920U
Application number: CN202023026998.2U
Authority: CN
Inventors: 张丽芳
Original assignee: Huadian Xinjiang Hongyanchi Power Generation Co ltd
Current assignee: Huadian Xinjiang Hongyanchi Power Generation Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-30
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a boiler scale removal device is used in thermal power plant, including boiler main body, the boiler main body outside is equipped with the support body, be fixed with the cylinder on the support body roof, be equipped with the catch plate in the support body, the output and the catch plate top fixed connection of cylinder, the catch plate top is fixed with the motor, the output of motor passes the lower extreme that the catch plate is located the catch plate to pass through the bearing with the junction of catch plate and be connected, the output of motor has the bull stick through the coupling joint, the both sides of bull stick bottom all articulate there is the movable rod, the outer end of movable rod all is fixed with the scraper blade. This boiler scale removal device for thermal power plant can scrape the clearance to the incrustation scale on the boiler inner wall, alleviates clearance personnel's work load, improves the efficiency of boiler scale removal.

Description

Boiler scale removal device for thermal power plant

Technical Field

The utility model relates to a boiler cleaning device technical field specifically is a boiler scale removal device is used in thermal power plant.

Background

In the in-process of operation at thermal power plant, the boiler plays very important effect, utilize the produced steam of the heat energy of fuel combustion in-process release through boiler body and some auxiliary assembly to drive the steam turbine and generate electricity, the boiler produces the incrustation easily in the use, the heat conductivility of incrustation scale is very poor, if the incrustation scale that forms in the boiler is too thick then can lead to boiler efficiency to reduce, then can arouse the boiler tube explosion to cause the boiler accident, consequently the incrustation scale of boiler needs regularly to clear away.

The scale removal mode that current thermal power plant used boiler adopted mostly clears up through artifical manual, because thermal power plant used boiler volume all is great, the area of scale removal is wider, not only brought heavier amount of labour for the clearance personnel, and the inefficiency of scale removal, the in-process of clearance also has the potential safety hazard, thereby bring certain influence for the normal use of boiler, current thermal power plant used boiler is when adopting the incrustation scale of scraper blade on to the inner wall to clear away simultaneously, receive the restriction of the opening size of boiler bell easily, lead to the scraper blade can not be convenient stretch into the boiler inside and clear up, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler scale removal device is used in thermal power plant to solve the problem that the incrustation scale on the present boiler clearance inner wall is used in thermal power plant that above-mentioned background art provided needs artifical manual the clearance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler scale removal device for thermal power plant, includes boiler main body, the boiler main body outside is equipped with the support body, be fixed with the cylinder on the support body roof, be equipped with the slurcam in the support body, the output and the slurcam top fixed connection of cylinder, the slurcam top is fixed with the motor, the output of motor passes the lower extreme that the slurcam is located the slurcam to pass through the bearing with the junction of slurcam and be connected, there is the bull stick the output of motor through the coupling joint, the both sides of bull stick bottom all articulate there is the movable rod, the outer end of movable rod all is fixed with the scraper blade, the both sides inner wall of support body all is fixed with the supporting shoe, be connected with the slide bar between supporting shoe and the support body roof, the through-hole has been seted up at the slurcam both ends, the slurcam is established in the outside of slide bar through the through-hole cover at both ends.

Preferably, the length of bull stick is greater than the height of boiler main part, the outside cover of bull stick is equipped with the sliding sleeve, the sliding sleeve passes through rubber circle and bull stick sliding connection.

Preferably, a contraction rod is connected between the sliding sleeve and the movable rod, and two ends of the contraction rod are respectively hinged with the sliding sleeve and the movable rod.

Preferably, the outside of sliding sleeve is connected with fixing bolt through helicitic texture, the bull stick surface is equidistant to be equipped with the identical screw hole of a plurality of and fixing bolt structure.

Compared with the prior art, the beneficial effects of the utility model are that: this boiler scale removal device for thermal power plant can scrape the clearance to the incrustation scale on the boiler inner wall, alleviates clearance personnel's work load, improves the efficiency of boiler scale removal. This boiler scale removal device for thermal power plant drives the slurcam through the cylinder and removes inside making the bull stick stretch into boiler main part to make the motor drive the scraper blade rotation on the bull stick scrape the clearance to the incrustation scale on the boiler main part inner wall, and then alleviate clearance personnel's work load, improve boiler main part descaling's efficiency, the sliding sleeve can drive the movable rod through removing at the bull stick outside simultaneously and shrink through making the shrink pole, make stretching into boiler main part that the scraper blade can be convenient inside, it is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of a descaling device for a boiler of a thermal power plant according to the present invention;

FIG. 2 is a schematic structural view of a fixing bolt and a rotating rod of the descaling device for a boiler of a thermal power plant according to the present invention;

FIG. 3 is a schematic view of the scraper contraction state connection structure of the boiler descaling device for thermal power plants of the present invention;

fig. 4 is the utility model relates to a structural schematic diagram is looked sideways at to pushing plate of boiler scale removal device for thermal power plant.

In the figure: 1. boiler main part, 2, support body, 3, cylinder, 4, slide bar, 5, motor, 6, pushing plate, 7, bull stick, 8, supporting shoe, 9, sliding sleeve, 10, movable rod, 11, shrink pole, 12, scraper blade, 13, fixing bolt.

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. 1-4, the present invention provides a technical solution: a boiler descaling device for a thermal power plant comprises a boiler main body 1, a frame body 2 is arranged outside the boiler main body 1, a cylinder 3 is fixed on a top plate of the frame body 2, a push plate 6 is arranged in the frame body 2, the output end of the cylinder 3 is fixedly connected with the top end of the push plate 6, a motor 5 is fixed at the top end of the push plate 6, the output end of the motor 5 penetrates through the push plate 6 and is positioned at the lower end of the push plate 6, and is connected with the joint of the push plate 6 through a bearing, the output end of the motor 5 is connected with a rotating rod 7 through a coupler, two sides of the bottom end of the rotating rod 7 are respectively hinged with a movable rod 10, the outer end of the movable rod 10 is respectively fixed with a scraper 12, the structural cylinder 2 can drive the push plate 6 to move downwards to enable the rotating rod 7 to extend into the boiler main body 1, so that when the motor 5 drives the rotating rod 7 to rotate, incrusts on the inner wall of the boiler main body 1 can be scraped and cleaned through the scraper 12, and further cleaning personnel do not need to manually clean, the workload of cleaning personnel is reduced, the descaling working efficiency of the boiler main body 1 is improved, the length of the rotating rod 7 is greater than the height of the boiler main body 1, the sliding sleeve 9 is sleeved outside the rotating rod 7, the sliding sleeve 9 is in sliding connection with the rotating rod 7 through a rubber ring, the contraction rod 11 is connected between the sliding sleeve 9 and the movable rod 10, two ends of the contraction rod 11 are respectively hinged with the sliding sleeve 9 and the movable rod 10, the contraction rod 11 can drive the movable rod 10 to contract through moving outside the rotating rod 7 by the structural sliding sleeve 9, so that the scraper 12 can conveniently extend into the boiler main body 1, the phenomenon that the scraper 12 cannot conveniently extend into the boiler to be cleaned due to the limitation of the opening size of a furnace cover of the boiler main body 1 is avoided, the use is more convenient, the outside of the sliding sleeve 9 is connected with the fixing bolt 13 through a thread structure, a plurality of thread holes matched with the fixing bolt 13 are equidistantly arranged on the surface of the rotating rod 7, this structure expands suitable angle after scraper blade 12 is according to boiler body 1's width, fixing bolt 13 can fix sliding sleeve 9 on the screw hole on corresponding bull stick 7, thereby make scraper blade 12 more stable when clearing up the incrustation scale on boiler body 1 inner wall, avoid sliding sleeve 9 to appear sliding in bull stick 7 outside, the both sides inner wall of support body 2 all is fixed with supporting shoe 8, be connected with slide bar 4 between supporting shoe 8 and the 2 roof of support body, the through-hole has been seted up at slurcam 6 both ends, slurcam 6 overlaps the outside at slide bar 4 through the through-hole at both ends, when this structure cylinder 3 drives slurcam 6 and reciprocates, the both ends of slurcam 6 slide in the outside of slide bar 4 simultaneously, thereby it is more stable when making motor 5 drive scraper blade 12 scrape the clearance from top to bottom to the incrustation scale on boiler body 1 inner wall, improve scraper blade 12 descaling's effect.

The working principle is as follows: when the boiler descaling device for a thermal power plant is used, firstly, when the scale on the inner wall of a boiler main body 1 needs to be cleaned, an air cylinder 3 at the top end of a frame body 2 is started, the output end of the air cylinder 3 drives a push plate 6 to move downwards so that a rotary rod 7 extends into the boiler main body 1, when a scraper 12 enters the boiler main body 1, the air cylinder 3 is stopped to be driven, then a sliding sleeve 9 slides downwards outside the rotary rod 7, the sliding sleeve 9 can drive a movable rod 10 to expand inside the boiler main body 1 through a contraction rod 11 when sliding downwards, after the scraper 12 is mutually attached to the inner wall of the boiler main body 1, a fixing bolt 13 is fixed on a corresponding threaded hole on the rotary rod 7, then the air cylinder 3 is started again, so that when a motor 5 drives the rotary rod 7 to rotate, the scale on the inner wall of the boiler main body 1 can be scraped and cleaned through the scraper 12, and further, cleaning personnel do not need to manually clean the scale, improve the efficiency of boiler body 1 scale removal, when cylinder 3 drove slurcam 6 and reciprocated simultaneously, the both ends of slurcam 6 can slide in the outside of slide bar 4 simultaneously to it is more stable when making scraper blade 12 clear up about the boiler body 1 inner wall, improves the effect of scale removal, thereby accomplishes a series of work.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a boiler scale removal device for thermal power plant, includes boiler main part (1), its characterized in that: the boiler is characterized in that a frame body (2) is arranged outside the boiler main body (1), an air cylinder (3) is fixed on a top plate of the frame body (2), a push plate (6) is arranged in the frame body (2), the output end of the air cylinder (3) is fixedly connected with the top end of the push plate (6), a motor (5) is fixed at the top end of the push plate (6), the output end of the motor (5) penetrates through the push plate (6) and is located at the lower end of the push plate (6) and is connected with the joint of the push plate (6) through a bearing, the output end of the motor (5) is connected with a rotating rod (7) through a coupler, movable rods (10) are hinged to two sides of the bottom end of the rotating rod (7), scraping plates (12) are fixed to the outer ends of the movable rods (10), supporting blocks (8) are fixed to inner walls of two sides of the frame body (2), a sliding rod (4) is connected between the supporting blocks (8) and the top plate of the frame body (2), through holes are formed in the two ends of the pushing plate (6), and the pushing plate (6) is sleeved outside the sliding rod (4) through the through holes in the two ends.

2. The descaling device for boilers of thermal power plants according to claim 1, characterized in that: the length of bull stick (7) is greater than the height of boiler main part (1), the outside cover of bull stick (7) is equipped with sliding sleeve (9), sliding sleeve (9) are through rubber circle and bull stick (7) sliding connection.

3. The descaling device for boilers of thermal power plants according to claim 2, characterized in that: a contraction rod (11) is connected between the sliding sleeve (9) and the movable rod (10), and two ends of the contraction rod (11) are hinged to the sliding sleeve (9) and the movable rod (10) respectively.

4. The descaling device for boilers of thermal power plants according to claim 3, characterized in that: the outer part of the sliding sleeve (9) is connected with a fixing bolt (13) through a threaded structure, and a plurality of threaded holes matched with the fixing bolt (13) in structure are formed in the surface of the rotating rod (7) at equal intervals.