Dust removal device for thermal power generation boiler

Abstract

The utility model relates to the technical field of boilers, and discloses a dust removal device for a thermal power generation boiler, which comprises a boiler body, a support frame, a feeding mechanism, a steam pocket and an air injection dust removal component, the support frame is fixedly connected to the bottom of the boiler body, the feeding mechanism is arranged at one end of the support frame, the steam pocket is fixedly connected to the top of the boiler body, and the air injection dust removal component is arranged in the boiler body. The air injection dust removal assembly is arranged at the other end of the furnace body and comprises an air injection pipe, a dust removal barrel, a rotating block, a transmission belt, a driving motor and a collecting box, the dust removal barrel is arranged at one end of the furnace body, the air injection pipe is arranged at one end of the air injection pipe, and the rotating block is rotationally connected to one end of the dust removal barrel and located outside the air injection pipe. According to the dust removal device for the thermal power generation boiler, through rotation of the rotating ring, the filtering inner cylinder and the inner rotating frame are driven to rotate, dust adsorbed on the filtering inner cylinder is treated, the dust falls into the collecting box through the dust discharging groove, and manual cleaning work is reduced.

Description

Technical Field

[0001] This utility model relates to the field of boiler technology, specifically to a dust removal device for thermal power generation boilers. Background Technology

[0002] Thermal power generation boilers, also known as power plant boilers or power plant boilers, are medium to large-sized boilers in power plants that provide a specified quantity and quality of steam to steam turbines. They are the main thermal equipment in thermal power plants, and are matched with steam turbine generator sets of a certain capacity, mainly used for power generation.

[0003] According to the authorization announcement number CN216320653U, a dust removal device for thermal power boilers is disclosed, including a protective box. An operation box is fixedly connected to the right side of the top of the inner cavity of the protective box. Motors are fixedly installed on both sides of the top of the inner cavity of the operation box. The above-mentioned utility model, through the arrangement of motors, rotating rods, and rotating blades, can play an auxiliary role, greatly assisting the operation of the fan and saving the working time of the staff. Through the arrangement of the flue pipe, fan, and smoke pipe, it can absorb dust and avoid the phenomenon of dust floating around. Through the arrangement of filter plates and purification boxes, it can purify the dust. Through the arrangement of baffles, springs, first limiting pads, limiting rods, and second limiting blocks, it can stabilize the device and prevent the motor from shaking during operation, effectively improving work efficiency and solving the problem of poor dust removal effect of existing dust removal devices for power boilers.

[0004] However, the above-mentioned devices still have shortcomings. The installation of the exhaust pipe, fan and smoke pipe can absorb dust and prevent dust from floating around. The installation of filter plates and purification boxes can purify the air. However, the dust stuck to the filter plates needs to be cleaned manually and regularly to avoid dust blockage, which will obstruct the airflow and reduce production efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a dust removal device for thermal power boilers to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a dust removal device for a thermal power boiler, comprising a furnace body, a support frame, a feeding mechanism, a steam drum, and a jet dust removal assembly. The support frame is fixedly connected to the bottom of the furnace body, the feeding mechanism is located at one end of the support frame, the steam drum is fixedly connected to the top of the furnace body, and the jet dust removal assembly is located at the other end of the furnace body.

[0007] The jet dust removal assembly includes a jet pipe, a dust removal cylinder, a rotating block, a transmission belt, a drive motor, and a collection box. The dust removal cylinder is located at one end of the furnace body, the jet pipe is located at one end of the dust removal cylinder, the rotating block is rotatably connected to one end of the dust removal cylinder and located outside the jet pipe, the transmission belt is sleeved and connected to the outside of the rotating block, the drive motor is located at the other end of the transmission belt, and the collection box is located at the bottom of the dust removal cylinder. The dust is processed by the dust removal cylinder and then discharged from the jet pipe. Subsequently, the dust is cleaned by the internal mechanism of the dust removal cylinder, so that the dust enters the interior of the collection box for unified cleaning.

[0008] Preferably, the dust collector includes an outer cylinder, an inner filter cylinder, a rotating ring, an outer cleaning scraper, an inner rotating frame, a threaded plate, and a dust discharge trough. The inner filter cylinder is disposed inside the outer cylinder, the rotating ring is rotatably connected to one end inside the outer cylinder, the outer cleaning scraper is fixedly connected to the outer ring of the rotating ring, the inner rotating frame is fixedly connected to the inner ring of the rotating ring, the threaded plate is disposed inside the inner rotating frame, and the dust discharge trough is opened at the bottom of the outer cylinder and the inner filter cylinder. By rotating the rotating ring, the inner filter cylinder and the inner rotating frame are rotated, thus treating the dust adsorbed on the inner filter cylinder. The dust falls into the collection box through the dust discharge trough, reducing manual cleaning work.

[0009] Preferably, the inner rotating frame includes a frame body and an inner cleaning scraper. The inner cleaning scraper is disposed at the top and bottom of the frame body, and the bottom of the inner cleaning scraper is in contact with the inner wall of the filter inner cylinder to ensure the cleaning effect on the filter inner cylinder.

[0010] Preferably, the bottom of the dust collector is provided with a through pipe, the bottom of which is connected to the top of the collection box, so that the dust cleaned by the dust collector can easily enter the interior of the collection box.

[0011] Preferably, one end of the rotating block passes through the dust collector and is fixedly connected to the rotating ring, and the rotating ring is rotated by a drive motor driving the transmission belt.

[0012] Preferably, one end of the collection box is provided with a door, which facilitates the handling of accumulated dust.

[0013] Preferably, the threaded plate adopts a spiral design. Through the centrifugal rotation of the threaded plate, the dust is blown outward and blown into the inner filter cylinder to complete the adsorption of dust.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This dust removal device for thermal power boilers uses a rotating ring to drive the inner filter cylinder and inner rotating frame to rotate, thus treating the dust adsorbed on the inner filter cylinder. The dust falls into the collection box through the dust discharge trough, reducing manual cleaning work.

[0016] 2. This dust removal device for thermal power boilers uses an inner cleaning scraper and an outer cleaning scraper of the inner rotating frame to clean the dust adhering to the filter inner cylinder. The dual cleaning structure ensures the cleaning effect on the filter inner cylinder. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the jet dust removal component of this utility model;

[0019] Figure 3 This is a schematic diagram of the dust collector cylinder of this utility model;

[0020] Figure 4 This is a schematic diagram of the inner rotating frame of this utility model.

[0021] In the diagram: 1. Furnace body; 2. Support frame; 3. Feeding mechanism; 4. Steam drum; 5. Air jet dust removal assembly; 501. Air jet pipe; 502. Dust collector cylinder; 503. Rotating block; 504. Transmission belt; 505. Drive motor; 506. Collection box; 510. Outer cylinder; 511. Inner filter cylinder; 512. Rotating ring; 513. Outer cleaning scraper; 514. Inner rotating frame; 515. Threaded plate; 516. Dust discharge trough; 520. Frame; 521. Inner cleaning scraper. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution: a dust removal device for a thermal power boiler, including a furnace body 1, a support frame 2, a feeding mechanism 3, a steam drum 4, and a jet dust removal component 5. The support frame 2 is fixedly connected to the bottom of the furnace body 1, the feeding mechanism 3 is located at one end of the support frame 2, the steam drum 4 is fixedly connected to the top of the furnace body 1, and the jet dust removal component 5 is located at the other end of the furnace body 1.

[0024] The jet dust removal assembly 5 includes a jet pipe 501, a dust removal cylinder 502, a rotating block 503, a transmission belt 504, a drive motor 505, and a collection box 506. The dust removal cylinder 502 is located at one end of the furnace body 1, the jet pipe 501 is located at one end of the dust removal cylinder 502, the rotating block 503 is rotatably connected to one end of the dust removal cylinder 502 and located outside the jet pipe 501, the transmission belt 504 is sleeved and connected to the outside of the rotating block 503, the drive motor 505 is located at the other end of the transmission belt 504, and the collection box 506 is located at the bottom of the dust removal cylinder 502. The dust is processed by the dust removal cylinder 502 and then discharged from the jet pipe 501. Subsequently, the dust is cleaned by the internal mechanism of the dust removal cylinder 502, so that the dust enters the interior of the collection box 506 for easy unified cleaning. A door is provided at one end of the collection box 506, which facilitates the handling of accumulated dust.

[0025] The dust collector 502 includes an outer cylinder 510, an inner filter cylinder 511, a rotating ring 512, an outer cleaning scraper 513, an inner rotating frame 514, a threaded plate 515, and a dust discharge trough 516. The inner filter cylinder 511 is located inside the outer cylinder 510. The rotating ring 512 is rotatably connected to one end inside the outer cylinder 510. The outer cleaning scraper 513 is fixedly connected to the outer ring of the rotating ring 512. The inner rotating frame 514 is fixedly connected to the inner ring of the rotating ring 512. The threaded plate 515 is located inside the inner rotating frame 514. The dust discharge trough 516 is located at the bottom of the outer cylinder 510 and the inner filter cylinder 511. One end of a rotating block 503 passes through the dust collector 502 and is fixedly connected to the rotating ring 512. A drive motor 505 drives a transmission belt 504 to rotate the rotating ring 512. The rotation of the rotating ring 512 drives the inner filter cylinder 511. The inner rotating frame 514 rotates to treat the dust adsorbed on the filter inner cylinder 511. The dust falls into the collection box 506 through the dust discharge groove 516, reducing manual cleaning work. The inner rotating frame 514 includes a frame body 520 and an inner cleaning scraper 521. The inner cleaning scraper 521 is set at the top and bottom of the frame body 520. The bottom of the inner cleaning scraper 521 is in contact with the inner wall of the filter inner cylinder 511 to ensure the cleaning effect of the filter inner cylinder 511. The bottom of the dust collector 502 is provided with a through pipe. The bottom of the through pipe is connected to the top of the collection box 506, so that the dust cleaned by the dust collector 502 can easily enter the interior of the collection box 506. The threaded plate 515 adopts a spiral design. Through the centrifugal rotation of the threaded plate 515, the dust is blown outward and blown towards the filter inner cylinder 511 to complete the adsorption of dust.

[0026] When in use, the feeding mechanism 3 feeds material into the furnace body 1 to generate electricity. The dust in the gas generated by the power generation enters the interior of the jet dust removal component 5. The drive motor 505 drives the inner rotating frame 514 to rotate, causing the threaded plate 515 to rotate and send the dust to the filter inner cylinder 511. Subsequently, the dust adheres to the filter inner cylinder 511. The dust is then cleaned by the inner cleaning scraper 521 and the outer cleaning scraper 513 of the inner rotating frame 514. Afterward, the dust falls into the collection box 506 through the dust discharge trough 516 for subsequent dust treatment.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a thermal power boiler, comprising a furnace body (1), a support frame (2), a feeding mechanism (3), a steam drum (4) and a jet dust removal assembly (5), characterized in that: The support frame (2) is fixedly connected to the bottom of the furnace body (1), the feeding mechanism (3) is arranged at one end of the support frame (2), the steam drum (4) is fixedly connected to the top of the furnace body (1), and the jet dust removal assembly (5) is arranged at the other end of the furnace body (1). The jet dust removal assembly (5) comprises a jet pipe (501), a dust removal cylinder (502), a rotating block (503), a transmission belt (504), a driving motor (505) and a collection box (506), the dust removal cylinder (502) is arranged at one end of the furnace body (1), the jet pipe (501) is arranged at one end of the dust removal cylinder (502), the rotating block (503) is rotatably connected to one end of the dust removal cylinder (502) and located outside the jet pipe (501), the transmission belt (504) is sleevedly connected to the outside of the rotating block (503), the driving motor (505) is arranged at the other end of the transmission belt (504), and the collection box (506) is arranged at the bottom of the dust removal cylinder (502).

2. A dust removal device for a thermal power generation boiler according to claim 1, characterized in that: The dust removal cylinder (502) comprises an outer cylinder body (510), a filtering inner cylinder (511), a rotating ring (512), an outer cleaning scraper (513), an inner rotating frame (514), a threaded plate (515) and a dust discharge groove (516), the filtering inner cylinder (511) is arranged in the inner portion of the outer cylinder body (510), the rotating ring (512) is rotatably connected to one end in the inner portion of the outer cylinder body (510), the outer cleaning scraper (513) is fixedly connected to the outer ring of the rotating ring (512), the inner rotating frame (514) is fixedly connected to the inner ring of the rotating ring (512), the threaded plate (515) is arranged in the inner portion of the inner rotating frame (514), and the dust discharge groove (516) is arranged at the bottom of the outer cylinder body (510) and the filtering inner cylinder (511).

3. A dust removal device for a thermal power generation boiler according to claim 2, characterized in that: The inner rotating frame (514) comprises a frame body (520) and inner cleaning scrapers (521), the inner cleaning scrapers (521) are arranged at the top and bottom of the frame body (520), and the bottom of the inner cleaning scraper (521) is attached to the inner wall of the filtering inner cylinder (511).

4. A dust removal device for a thermal power generation boiler according to claim 1, characterized in that: The bottom of the dust removal cylinder (502) is provided with a through pipe, and the bottom of the through pipe is connected to the top of the collection box (506).

5. A dust removal device for a thermal power generation boiler according to claim 1, characterized in that: One end of the rotating block (503) penetrates the dust removal cylinder (502) and is fixedly connected to the rotating ring (512).

6. A dust removal device for a thermal power generation boiler according to claim 1, characterized in that: One end of the collection box (506) is provided with a box door.

7. A dust removal device for a thermal power generation boiler according to claim 2, characterized in that: The threaded plate (515) is designed in a spiral shape, and the dust is blown outward by centrifugal rotation of the threaded plate (515).

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