CN214536254U

CN214536254U - Chimney cleaning device special for thermal power plant

Info

Publication number: CN214536254U
Application number: CN202120406146.1U
Authority: CN
Inventors: 甄长红; 彭庆生; 王锡胜
Original assignee: Huaneng Lanzhou Fanping Thermal Power Co ltd
Current assignee: Huaneng Lanzhou Fanping Thermal Power Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-29
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses a chimney cleaning device special for a thermal power plant, which comprises a support plate, a filter screen and a baffle plate, wherein a motor is installed on the top of the support plate through bolts, a suspender is welded on the top of the support plate, loops are welded on two sides of the suspender, a loop rod is clamped on the inner side of the loop, a roller is installed at one end of the loop rod, a spring I is clamped on the inner side of the loop, a main shaft is installed at the bottom of the motor, an outer sleeve is sleeved on the outer side of the main shaft, a chassis is welded at the bottom end of the main shaft, the chimney cleaning device special for the thermal power plant can filter and collect dust falling during cleaning, the dust is prevented from being discharged into the air outside, the safety of the air environment is ensured, the torsion received during the working of the equipment can be mutually offset, the rotation of the equipment is prevented, the working safety of the equipment is ensured, and the dust can be cleaned up conveniently, the scraper blade can automatic adjustment turning radius, improves cleaning efficiency, is applicable to the chimney clearance of thermal power factory and uses.

Description

Chimney cleaning device special for thermal power plant

Technical Field

The utility model relates to a chimney cleaning equipment technical field specifically is a special chimney cleaning device of thermal power factory.

Background

The chimney is a common tail gas emission device of a thermal power plant, after the chimney is used for a long time, a large amount of dust is adhered to the inner wall of the chimney, so that the inner diameter of the chimney is reduced, the ventilation rate of the chimney is influenced, the chimney needs to be cleaned regularly by using a cleaning device, the utility model with the patent application number of CN201620720243.7 discloses a traction type chimney cleaning device, the existing chimney cleaning device basically has the advantages of high cleaning speed, convenience in use, convenience in operation, cleanness and long service life of the chimney, the use requirement of cleaning the chimney of the thermal power plant can be met, however, for the existing chimney cleaning device, on one hand, a large amount of dust can be generated in the cleaning process, the dust can be discharged outwards along with the siphon effect of the chimney, so that the environmental pollution is caused, on the other hand, when the chimney is cleaned by using a scraper, the chimney can produce reverse effort to the scraper blade, and then causes equipment antiport easily, is unfavorable for the work safety of guarantee equipment, reduces the dynamics of scraping of scraper blade to the chimney again, reduces clearance efficiency, and on the other hand, because the internal diameter of chimney grow gradually from top to bottom, the radius of rotation that needs often adjust the scraper blade reduces the clearance efficiency of chimney.

Therefore, how to design a chimney cleaning device special for a thermal power plant becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special chimney cleaning device of thermal power factory to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be applicable to the chimney clearance of thermal power factory and use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special chimney cleaning device of thermal power factory, includes the device body, the device body includes extension board, filter screen and baffle, the filter screen welding is in the outside side of extension board, the baffle bonds in the outside side of filter screen, the top cover bolt of extension board installs the motor, the top welding of extension board has the jib, the both sides welding of jib has the loop, the inboard card of loop has the loop, the gyro wheel is installed to the one end of loop, the inboard card of loop has spring one, the main shaft is installed to the bottom of motor, the outside side cover of main shaft is equipped with the overcoat, the bottom welding of main shaft has the chassis, the outside side of overcoat is installed and is pushed up the dish, the top card of chassis has the gear, the top of chassis and the bottom homogeneous body shaping of pushed up the dish have the insection, the sliding sleeve has all welded in the both sides of chassis and pushed up the dish, the one end card of sliding sleeve has the scraper blade, a second spring is clamped on the inner side of the sliding sleeve, and the baffle is a rubber baffle.

As a preferred embodiment of the present invention, the top end of the spindle passes through the outer sleeve and the support plate and is mounted on the output shaft of the motor by a bolt, and the top end of the outer sleeve passes through the top plate and is welded to the bottom of the support plate.

As a preferred embodiment of the present invention, the top plate is mounted on the outer side of the outer sleeve through a bearing, and the gears are mounted on both sides of the outer sleeve through bearings.

As a preferred embodiment of the present invention, the distance between the top plate and the bottom plate is equal to the diameter of the gear, and the gear is engaged with the insection.

As an optimal implementation mode of the utility model, the loop bar is the quadrangular active bar, the one end of loop bar is passed through spring one and is connected with the inner wall of loop, the loop cover is established at the outside of loop bar.

As a preferred embodiment of the utility model, the one end of scraper blade is the quadrangular scraper blade, the one end of scraper blade is passed through the inner wall connection of spring two with the sliding sleeve, the outside side at the one end of scraper blade is established to the sliding sleeve cover.

Has the advantages that: 1. this special chimney cleaning device of thermal power factory owing to be provided with extension board, filter screen, baffle, motor, jib, loop, gyro wheel and spring one, can be when clearing up the chimney, and the dust of clearance whereabouts is effectively filtered under the siphon effect of chimney and is collected to avoid the dust to be discharged and take external air, ensure air circumstance's safety.

2. This special chimney cleaning device of thermal power factory, owing to be provided with the extension board, including a motor, an end cap, a controller, and a cover plate, the main shaft, the overcoat, a chassis, the top dish, the gear, the insection, the sliding sleeve, scraper blade and spring two, can be when clearing up the operation to the inner wall of chimney, effectively utilize the difference of the rotation direction of two sets of scraper blades, make the torsion that the equipment during operation received offset each other, and then prevent effectively that the resistance because of the dust is too big to cause equipment to take place to rotate, the work safety of guarantee equipment, the dynamics of scraping of guarantee scraper blade, be convenient for with the dust clean up.

3. This special chimney cleaning device of thermal power factory owing to be provided with extension board, motor, main shaft, overcoat, chassis, top dish, gear, insection, sliding sleeve, scraper blade and spring two for the turning radius of scraper blade can be adjusted according to the change of the internal diameter of chimney automatically to the scraper blade, need not shut down the adjustment, increases the cleaning efficiency to the chimney.

4. This special chimney cleaning device of thermal power factory reasonable in design, comparatively high-efficient convenience during the use is applicable to the chimney clearance of thermal power factory and uses.

Drawings

Fig. 1 is a schematic structural view of the chimney cleaning device special for the thermal power plant of the present invention;

fig. 2 is a sectional view of the chimney cleaning device special for the thermal power plant of the present invention;

fig. 3 is a schematic structural view of a chassis of the chimney cleaning device special for the thermal power plant of the present invention;

in the figure: 1. a support plate; 2. filtering with a screen; 3. a baffle plate; 4. a motor; 5. a boom; 6. looping; 7. a movable rod; 8. a roller; 9. a first spring; 10. a main shaft; 11. a jacket; 12. a chassis; 13. a top tray; 14. a gear; 15. insection; 16. a sliding sleeve; 17. a squeegee; 18. and a second spring.

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 to 3, the present invention provides a technical solution: the utility model provides a special chimney cleaning device of thermal power factory, includes the device body, the device body includes extension board 1, filter screen 2 and baffle 3, filter screen 2 welds in the outside side of extension board 1, baffle 3 bonds in the outside side of filter screen 2, motor 4 is installed to the top cover bolt of extension board 1, the top welding of extension board 1 has jib 5, the both sides welding of jib 5 has loop 6, loop 6's inboard card has loop 7, gyro wheel 8 is installed to the one end of loop 7, the inboard card of loop 6 has spring 9, main shaft 10 is installed to the bottom of motor 4, the outside side cover of main shaft 10 is equipped with overcoat 11, the bottom welding of main shaft 10 has chassis 12, top plate 13 is installed to the outside side of overcoat 11, the top card of chassis 12 has gear 14, the top of chassis 12 and the bottom of top plate 13 all integrated into one piece have insection 15, sliding sleeve 16 has all been welded to the both sides of chassis 12 and top dish 13, sliding sleeve 16's one end card has scraper blade 17, sliding sleeve 16's inboard card has spring two 18, baffle 3 is the rubber baffle, can utilize baffle 3's self elasticity to make the outside side of baffle 3 block all the time on the inner wall of chimney, prevents to produce the gap between baffle 3 and the chimney, makes the air pass through filter screen 2 and upwards flows under the siphon effect of chimney, is cleared up the tiny dust of whereabouts and is filtered the collection by filter screen 2 when passing through filter screen 2, prevents that the top that the dust passes through the chimney from upwards spilling out, ensures air circumstance's safety.

As a preferred embodiment of the utility model, overcoat 11 and extension board 1 are passed and the output shaft at motor 4 is installed through the bolt on the top of main shaft 10, top dish 13 and welding are passed on the top of overcoat 11 in the bottom of extension board 1, can be with motor 4 external power supply and remote switch, and personnel can remote control motor 4's work, guarantee personnel's safety.

As a preferred embodiment of the present invention, the top plate 13 is mounted on the outer side of the outer sleeve 11 through a bearing, and the gears 14 are mounted on both sides of the outer sleeve 11 through a bearing.

As a preferred embodiment of the present invention, the distance between the top plate 13 and the bottom plate 12 is equal to the diameter of the gear 14, the gear 14 is meshed with the insection 15, when the motor 4 works, the motor 4 drives the chassis 12 to rotate through the main shaft 10, the chassis 12 drives the gear 14 to rotate through the insection 15 meshed with the gear 14, the gear 14 drives the top disc 13 to rotate reversely, so that the top disk 13 and the bottom disk 12 drive the two sets of scrapers 17 at the top and the bottom to rotate in the same way with the same rotating speed and in opposite directions, so that when the two groups of scrapers 17 clean the inner wall of the chimney, the scrapers generate scraping power with opposite directions and equal magnitude, and then make the power of scraping of two sets of scraper blades 17 offset each other, and then prevent effectively that the resistance because of the dust is too big to cause equipment to take place to rotate, guarantee the work safety of equipment, the power of scraping of guarantee scraper blade is convenient for clear up the dust.

As an optimal implementation mode of the utility model, the loop 7 is the quadrangular feather pole, the one end of feather pole 7 is passed through spring 9 and is connected with the inner wall of loop 6, the outside side at loop 7 is established to the cover of loop 6, hangs the equipment body through jib 5 to in hanging into the chimney from the top of chimney, inwards extrude scraper blade 17 and gyro wheel 8 in proper order, make scraper blade 17's outside side and gyro wheel 8 card on the inner wall of chimney, utilize gyro wheel 8 to carry out horizontal spacing to the device body, prevent that the device body during operation from producing the rotation.

As a preferred embodiment of the utility model, the one end of scraper blade 17 is the four-edge scraper blade, the one end of scraper blade 17 is passed through two 18 and sliding sleeve 16's of spring interior wall connection, the sliding sleeve 16 cover is established in the outside side of the one end of scraper blade 17, and scraper blade 17 can be outside being promoted by automatic under the elasticity of two 18 springs, and the outer end card of scraper blade 17 is on the inner wall of chimney until, and then when the internal diameter of chimney appears changing, the outer end of scraper blade 17 can laminate on the inner wall of chimney automatically, suits with the internal diameter of chimney, does not need personnel to adjust it, increases the cleaning efficiency to the chimney.

The chimney cleaning device special for the thermal power plant supplies electric energy to all electric equipment through an external power supply, when the chimney cleaning device is used, the external power supply and a remote switch of a motor 4 are connected, personnel can remotely control the work of the motor 4, the safety of the personnel is guaranteed, an equipment body is lifted through a hanger rod 5 and is lifted into a chimney from the top of the chimney, a scraper 17 and a roller 8 are sequentially extruded inwards, the outer side of the scraper 17 and the roller 8 are clamped on the inner wall of the chimney, the roller 8 is used for horizontally limiting the equipment body, the rotation of the equipment body is prevented when the equipment body works, when the motor 4 works, the motor 4 drives a chassis 12 to rotate through a main shaft 10, the chassis 12 drives a gear 14 to rotate through meshing of a gear 14 and a gear 15, the gear 14 drives a top disc 13 to rotate reversely, so that the top disc 13 and the chassis 12 drive two groups of the scraper 17 at the top and the bottom to rotate in a mode that the direction is opposite and the rotating speed is the same, when the inner wall of the chimney is cleaned by the two groups of scraping plates 17, the scraping power with opposite directions and equal magnitude is generated, the scraping power of the two groups of scraping plates 17 is further counteracted, the rotation of the equipment caused by the overlarge resistance of dust is effectively prevented, the working safety of the equipment is ensured, the scraping power of the scraping plates is ensured, the dust is conveniently cleaned, the scraping plates 17 can be automatically pushed outwards under the elastic force of the second springs 18 until the outer ends of the scraping plates 17 are clamped on the inner wall of the chimney, when the inner diameter of the chimney changes, the outer ends of the scraping plates 17 can be automatically attached to the inner wall of the chimney and adapt to the inner diameter of the chimney, the cleaning efficiency of the chimney is improved without being adjusted by personnel, the outer edge sides of the baffles 3 can be always clamped on the inner wall of the chimney by the elasticity of the baffles 3, and gaps between the baffles 3 and the chimney are prevented, make the air pass through filter screen 2 upflow under the siphon effect of chimney, the tiny dust of being cleared up the whereabouts is filtered by filter screen 2 and is collected when passing through filter screen 2, prevents that the top of dust through the chimney from upwards effluvium, ensures air circumstance's safety.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a special chimney cleaning device of thermal power factory, includes the device body, its characterized in that: the device body comprises a support plate (1), a filter screen (2) and a baffle (3), the filter screen (2) is welded at the outer side of the support plate (1), the baffle (3) is bonded at the outer side of the filter screen (2), a motor (4) is installed on the top of the support plate (1) in a bolt-sleeving manner, a hanging rod (5) is welded at the top of the support plate (1), a loop (6) is welded at two sides of the hanging rod (5), a loop rod (7) is clamped at the inner side of the loop (6), a roller (8) is installed at one end of the loop rod (7), a first spring (9) is clamped at the inner side of the loop (6), a main shaft (10) is installed at the bottom of the motor (4), an outer side of the main shaft (10) is sleeved with an outer sleeve (11), a base plate (12) is welded at the bottom end of the main shaft (10), a top plate (13) is installed at the outer side of the outer sleeve (11), the top card of chassis (12) has gear (14), the equal integrated into one piece in top of chassis (12) and the bottom of top dish (13) has insection (15), sliding sleeve (16) have all been welded to the both sides of chassis (12) and top dish (13), the one end card of sliding sleeve (16) has scraper blade (17), the inboard card of sliding sleeve (16) has spring two (18), baffle (3) are rubber baffle.

2. The chimney cleaning device special for the thermal power plant according to claim 1, characterized in that: the top end of the spindle (10) penetrates through the outer sleeve (11) and the support plate (1) and is mounted on an output shaft of the motor (4) through a bolt, and the top end of the outer sleeve (11) penetrates through the top disc (13) and is welded to the bottom of the support plate (1).

3. The chimney cleaning device special for the thermal power plant according to claim 1, characterized in that: the top disc (13) is installed on the outer side of the outer sleeve (11) through a bearing, and the gears (14) are installed on two sides of the outer sleeve (11) through bearings.

4. The chimney cleaning device special for the thermal power plant according to claim 1, characterized in that: the distance between the top disc (13) and the bottom disc (12) is equal to the diameter of the gear (14), and the gear (14) is meshed with the insections (15).

5. The chimney cleaning device special for the thermal power plant according to claim 1, characterized in that: the movable rod (7) is a quadrangular prism movable rod, one end of the movable rod (7) is connected with the inner wall of the movable sleeve (6) through a first spring (9), and the movable sleeve (6) is sleeved on the outer side of the movable rod (7).

6. The chimney cleaning device special for the thermal power plant according to claim 1, characterized in that: the one end of scraper blade (17) is the four-edge scraper blade, the one end of scraper blade (17) is passed through the inner wall connection of two (18) of spring and sliding sleeve (16), the outside side at the one end of scraper blade (17) is established in sliding sleeve (16) cover.