CN214198715U

CN214198715U - Automatic cleaning device of power boiler chimney

Info

Publication number: CN214198715U
Application number: CN202120220453.0U
Authority: CN
Inventors: 杨志; 鲁士林
Original assignee: Harbin Dingming Power Engineering Co ltd
Current assignee: Harbin Dingming Power Engineering Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-14
Anticipated expiration: 2031-01-27

Abstract

The utility model relates to a corollary equipment technical field of power plant, an automatic cleaning device of power plant's boiler chimney, including the chimney, the outside fixedly connected with motor of chimney, the output shaft fixedly connected with pivot of motor, the chimney internal rotation is connected with the threaded rod. The utility model discloses during the use, it rotates to drive the threaded rod through the motor, control movable block up-and-down motion, and the in-process movable block of motion can drive the brush board and clean the inner wall of chimney, after the movable block touched the reset switch on the baffle, the motor can change the direction of rotation, make the movable block carry out reverse motion, with this control brush board reciprocating motion and improve the cleaning effect, and after the movable block moved outside the chimney, wash the brush board through the shower nozzle, make the brush board keep good cleaning effect, and reduced the frequency of staff to the clearance of cleaning equipment, high altitude construction's risk has just also been avoidd.

Description

Automatic cleaning device of power boiler chimney

Technical Field

The utility model relates to a corollary equipment technical field of power plant especially relates to an automatic cleaning device of power plant's boiler chimney.

Background

A chimney is a structure that provides ventilation for hot flue gases or fumes from a boiler, furnace, stove or fireplace. The chimney is usually vertical, or as close to vertical as possible, to ensure a smooth flow of gases, the intake air entering the so-called chimney combustion or chimney effect. The space within the chimney is called a flue. In the power plant, the boiler that uses, the chimney also is indispensable supporting facility, in order to guarantee the working effect of chimney, just need clear up the chimney, if adopt the manual work just to face high altitude construction and the extravagant scheduling problem of manpower, and after having used cleaning equipment to clear up, need go on to cleaning equipment's clearance equally, high altitude construction's risk still exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic cleaning device for a power plant boiler chimney.

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

an automatic chimney cleaning device for a power plant boiler comprises a chimney, wherein a motor is fixedly connected to the outer side of the chimney, a rotating shaft is fixedly connected to the output shaft end of the motor, a threaded rod is rotatably connected in the chimney, the upper end of the threaded rod is connected with the rotating shaft through a transmission part, a movable block is connected to the threaded rod through threads, first connecting blocks are rotatably connected to two sides of the movable block respectively, the first connecting blocks can only rotate upwards, a telescopic rod is fixedly connected to one end, away from the movable block, of each first connecting block, a second connecting block is fixedly connected to one end, away from the first connecting blocks, of each telescopic rod, a spring is sleeved on each telescopic rod, a connecting plate is rotatably connected to the free end of each second connecting block, a cylinder is fixedly connected to the upper portion of each second connecting block, the movable end of the cylinder is rotatably connected with the connecting plate, and a brush plate is fixedly connected to one side, away from the second connecting block, of the connecting plate, the top of chimney is equipped with the cistern, be equipped with the shower nozzle on the lateral wall of cistern, the equal fixedly connected with baffle in upper and lower both ends of threaded rod, two the equal fixedly connected with reset switch in one side that the baffle is relative, the bottom of chimney is equipped with the filter screen.

As a further aspect of the present invention: the transmission part is a belt pulley sleeve.

As a further aspect of the present invention: and a motor cover is arranged on the outer side of the motor.

As a further aspect of the present invention: the bottom intercommunication of cistern has the drain pipe, the mouth of pipe of drain pipe below is located the top of motor cover.

As a further aspect of the present invention: the inner wall of chimney is fixedly connected with two photoelectric switches, photoelectric switch is located the below of chimney, and the difference in height between two photoelectric switches is greater than the connecting plate height, one side fixedly connected with dust extraction of chimney, dust extraction's dust absorption end and the bottom intercommunication of chimney.

The utility model has the advantages that:

1. through the arrangement of the chimney, when the chimney cleaning device is used, the threaded rod is driven to rotate through the motor, the movable block is controlled to move up and down, the movable block can drive the brush plate to clean the inner wall of the chimney in the moving process, the motor can change the rotating direction after the movable block touches the reset switch on the baffle, and the movable block can move in the reverse direction, so that the reciprocating motion of the brush plate is controlled to improve the cleaning effect, and after the movable block moves out of the chimney, the brush plate is cleaned through the spray head, so that the brush plate keeps a good cleaning effect, the cleaning frequency of cleaning equipment by staff is reduced, and the risk of high-altitude operation is avoided;

2. by arranging the drain pipe, when the water washing brush is used, water for washing the brush plate is released to the surface of the motor cover, the motor is subjected to auxiliary heat dissipation through the temperature difference between the water and the motor cover and the evaporation effect of the water, and the water does not directly act on the shell of the motor, so that the risk of water causing the motor to break down can be avoided;

3. through setting up photoelectric switch, during the use, tiny ash layer granule can be along with the flue gas chimney of discharging together, and the large granule ash layer of condensing at the chimney inner wall can be peeled off by the brush board to remain on the filter screen, when the ash layer on the filter screen is accumulated to a take the altitude, and when two photoelectric switch all sheltered from, dust extraction just started the dust absorption, can reduce the frequency that dust extraction started like this, when reaching the automatic clearance function, saved the resource.

Drawings

FIG. 1 is a schematic structural diagram of an automatic cleaning device for a chimney of a power plant boiler, which is provided in embodiment 1;

FIG. 2 is an enlarged view of part A of the schematic structural diagram of the automatic cleaning device for the chimney of the power plant boiler, which is provided in embodiment 1;

FIG. 3 is a schematic structural diagram of a movable block of the automatic cleaning device for a chimney of a power plant boiler, which is provided in embodiment 1;

fig. 4 is a schematic structural diagram of an installation position of a photoelectric switch of the automatic cleaning device for a chimney of a power plant boiler, which is provided in embodiment 2.

In the figure: the device comprises a chimney, a threaded rod, a motor, a belt pulley sleeve, a nozzle, a water storage tank, a baffle, a movable block, a first connecting block, a motor cover, a second connecting block, a spring, a connecting plate, a brush plate, a cylinder, a photoelectric switch and a dust suction device, wherein the chimney is 1-the chimney, the threaded rod is 2-the motor is 3-the motor is 4-the belt pulley sleeve, the nozzle is 5-the water storage tank is 6-the baffle, the movable block is 8-the first connecting block, the motor cover is 10-the second connecting block, the spring is 13-the connecting plate, the brush plate is 14-the cylinder is 16-the photoelectric switch and the dust suction device is 18-the photoelectric switch.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 3, an automatic chimney cleaning device for a power plant boiler comprises a chimney 1, a motor 3 is fixedly connected to the outer side of the chimney 1, a rotating shaft is fixedly connected to the output shaft of the motor 3, a threaded rod 2 is rotatably connected to the chimney 1, the upper end of the threaded rod 2 is connected to the rotating shaft through a transmission part, a movable block 8 is connected to the threaded rod 2 through threads, first connecting blocks 9 are rotatably connected to both sides of the movable block 8, the first connecting blocks 9 can only rotate upwards, a telescopic rod is fixedly connected to one end, away from the movable block 8, of each first connecting block 9, a second connecting block 12 is fixedly connected to one end, away from the first connecting block 9, of each telescopic rod, a spring 13 is sleeved on each telescopic rod, a connecting plate 14 is rotatably connected to the free end of each second connecting block 12, and a cylinder 16 is fixedly connected to the upper portion of each second connecting block 12, the expansion end of cylinder 16 rotates with connecting plate 14 to be connected, one side fixedly connected with brush board 15 of second connecting block 12 is kept away from to connecting plate 14, the top of chimney 1 is equipped with cistern 6, be equipped with shower nozzle 5 on the lateral wall of cistern 6, the equal fixedly connected with baffle 7 in upper and lower both ends of threaded rod 2, two the equal fixedly connected with reset switch in one side that baffle 7 is relative, the bottom of chimney 1 is equipped with the filter screen.

Wherein the transmission part is a belt pulley sleeve 4.

Wherein, the outside of motor 3 is equipped with motor cover 10.

The bottom of the water storage tank 6 is communicated with a water drainage pipe, and a pipe orifice below the water drainage pipe is positioned above the motor cover 10.

The working principle is as follows: when the chimney cleaning device is used, the threaded rod 2 is driven to rotate by the motor 3, the movable block 8 is controlled to move up and down, the movable block 8 can drive the brush plate 15 to clean the inner wall of the chimney 1 in the moving process, the motor 3 can change the rotating direction after the movable block 8 touches the reset switch on the baffle 7, the movable block 8 can move in the reverse direction, the brush plate 15 is controlled to move back and forth to improve the cleaning effect, the brush plate 15 is cleaned by the spray head 5 after the movable block 8 moves out of the chimney 1, the brush plate keeps good cleaning effect, the cleaning frequency of cleaning equipment by staff is reduced, the risk of high-altitude operation is avoided, when the chimney cleaning device is used, water for cleaning the brush plate 15 is released to the surface of the motor cover 10, auxiliary heat dissipation is carried out on the motor 3 through the temperature difference between the water and the motor cover 10 and the evaporation effect of the water, and the water does not need to directly act on the shell of the motor 3, the risk of water failure of the motor 3 can be avoided.

Example 2

Referring to fig. 4, this embodiment compares in embodiment 1, two photoelectric switches 17 of inner wall fixedly connected with of chimney 1, photoelectric switch 17 is located the below of chimney 1, and the difference in height between two photoelectric switches 17 is greater than the connecting plate 14 height, one side fixedly connected with dust extraction 18 of chimney 1, dust extraction 18's dust absorption end and the bottom intercommunication of chimney 1.

The working principle is as follows: during the use, tiny ash layer granule can be along with flue gas chimney 1 of discharging together, and the large granule ash layer of condensing at 1 inner wall of chimney can be peeled off by brush board 3 to remain on the filter screen, when the ash layer on the filter screen is accumulated to a take the altitude, and when two photoelectric switch 17 all sheltered from, dust extraction 18 just starts the dust absorption, can reduce the frequency that dust extraction 18 started like this, when reaching the automatic clearance function, has saved the resource.

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 automatic cleaning device for the chimney of the power plant boiler comprises a chimney (1) and is characterized in that a motor (3) is fixedly connected to the outer side of the chimney (1), a rotating shaft is fixedly connected to the output end of the motor (3), a threaded rod (2) is rotatably connected to the chimney (1), the upper end of the threaded rod (2) is connected with the rotating shaft through a transmission piece, a movable block (8) is connected to the threaded rod (2) through threads, first connecting blocks (9) are rotatably connected to the two sides of each movable block (8), each first connecting block (9) can only rotate upwards, a telescopic rod is fixedly connected to one end, away from the movable block (8), of each first connecting block (9), a second connecting block (12) is fixedly connected to one end, away from the first connecting block (9), of each telescopic rod, a spring (13) is sleeved on each telescopic rod, the free end of second connecting block (12) rotates and is connected with connecting plate (14), top fixedly connected with cylinder (16) of second connecting block (12), the expansion end of cylinder (16) rotates with connecting plate (14) and is connected, one side fixedly connected with brush board (15) of second connecting block (12) are kept away from in connecting plate (14), the top of chimney (1) is equipped with cistern (6), be equipped with shower nozzle (5) on the lateral wall of cistern (6), the equal fixedly connected with baffle (7) in upper and lower both ends of threaded rod (2), two the equal fixedly connected with reset switch in one side that baffle (7) are relative, the bottom of chimney (1) is equipped with the filter screen.

2. A power plant boiler chimney automatic cleaning device according to claim 1, characterized in that the transmission member is a pulley sleeve (4).

3. A power plant boiler chimney automatic cleaning device according to claim 2, characterized in that a motor cover (10) is arranged outside the motor (3).

4. A power plant boiler chimney automatic cleaning device according to claim 3, characterized in that the bottom of the water reservoir (6) is communicated with a drain pipe, and a pipe orifice below the drain pipe is positioned above the motor cover (10).

5. The automatic cleaning device for the chimney of the power plant boiler according to claim 4, characterized in that two photoelectric switches (17) are fixedly connected to the inner wall of the chimney (1), the photoelectric switches (17) are located below the chimney (1), the height difference between the two photoelectric switches (17) is larger than the height of the connecting plate (14), a dust suction device (18) is fixedly connected to one side of the chimney (1), and the dust suction end of the dust suction device (18) is communicated with the bottom of the chimney (1).