Flue accumulated dust dredging device

Abstract

The utility model discloses a flue accumulated ash dredging device which comprises a smoke pipe and an installation plate installed at the bottom of the smoke pipe, a scraping mechanism is arranged at the top of the smoke pipe and comprises a suspension arm, the suspension arm is welded to the inner wall of the smoke pipe, one end of the suspension arm is provided with an electric telescopic rod, and the other end of the suspension arm is provided with an air cylinder. An electric telescopic rod is arranged in the smoke pipe, a servo motor is arranged at the extension end of the electric telescopic rod, a rotating frame is arranged at the rotating end of the servo motor, a scraping plate is arranged at one end of the rotating frame, the scraping plate is obliquely installed, a smashing mechanism is arranged on one side of the smoke pipe, and an air blowing mechanism is arranged below the smoke pipe. An electric telescopic rod drives a servo motor to move along the center position of a smoke pipe, the servo motor drives a rotating frame to rotate, the rotating frame drives a scraping plate to conduct scraping along the inner wall of the smoke pipe, hardened dust on the inner wall of a flue is scraped away, meanwhile, the inclined scraping plate drives the scraped dust to move forwards continuously, and under the cooperation of an air blowing mechanism, the dust blowing efficiency is improved. And the cleaning effect of dust on the inner wall of the flue is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue dust cleaning, in particular to a flue dust dredging device. Background Art

[0002] The flue is a tubular device for discharging exhaust gas and smoke. Since the flue gas contains a lot of fly ash, deposits will form in the flue ash hopper over time, affecting the high-temperature superheater, reducing the thermal efficiency of the boiler and increasing the time for boiler inspection and maintenance.

[0003] After searching, the Chinese utility model patent with authorization announcement number CN 217511567 U provides a flue ash fluidization device, including a bag filter, a fluidizing fan, an injection component and a desulfurization flue; a flue ash accumulation area is set in the desulfurization flue, and the flue ash is deposited at the bottom of the flue ash accumulation area; the fluidizing fan includes an air inlet and an air outlet, and its air inlet is connected to the purified flue gas at the flue after the bag filter through an air inlet pipeline, and the air outlet is connected to the injection component through an air outlet pipeline; the injection component runs through the desulfurization flue and is set at the bottom of the flue ash accumulation area where the flue ash is deposited. The utility model can effectively solve the problem of the deposition of desulfurizer and its byproducts in the flue in the flue ash accumulation area, and can also achieve the purpose of cleaning without stopping the furnace, and does not require workers to enter the flue to clean the ash, which greatly improves the safety of operation and the convenience of cleaning.

[0004] Compared with the prior art, the above solution uses high-speed airflow to clean the dust accumulated in the flue, but the cleaning effect on the dust outside the nozzle and the dust caked on the inner wall of the flue is poor.

[0005] Therefore, it is necessary to invent a flue dust dredging device. Utility Model Content

[0006] The utility model aims to overcome the deficiencies of the prior art and provide a flue dust dredging device.

[0007] The utility model solves the technical problem through the following technical scheme: it comprises a smoke pipe and a mounting plate installed at the bottom of the smoke pipe, a scraping mechanism is arranged on the top of the smoke pipe, the scraping mechanism comprises a hanging arm, the hanging arm is welded to the inner wall of the smoke pipe, an electric telescopic rod is arranged at one end of the hanging arm, a servo motor is arranged at the extended end of the electric telescopic rod, a rotating frame is arranged at the rotating end of the servo motor, a scraper is arranged at one end of the rotating frame, the scraper is installed at an angle, a crushing mechanism is arranged on one side of the smoke pipe, and an air blowing mechanism is arranged below the smoke pipe.

[0008] As a further solution of the utility model: the crushing mechanism includes a motor, which is fixed to one end of the smoke pipe by bolts, a blade A is provided at the rotating end of the motor, and a plurality of blades B are provided below the blade A, and the blades A and B are gap-matched with the inner wall of the smoke pipe.

[0009] As a further solution of the utility model: the blowing mechanism includes a branch pipe, which is fixed to the bottom of the mounting plate by bolts, a plurality of air holes are arranged on one side of the mounting plate, a wind hood is arranged at one end of the branch pipe, and a booster pump is arranged at one end of the wind hood.

[0010] As a further solution of the utility model: a transparent observation window is arranged on the top of the smoke pipe.

[0011] As a further solution of the utility model: hoops are provided at both ends of the smoke pipe.

[0012] As a further solution of the utility model: a support frame is arranged below the hoop.

[0013] As a further solution of the utility model: an air filter is provided at one end of the booster pump.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. An electric telescopic rod is provided, which drives the servo motor to move along the center of the smoke pipe, and the servo motor drives the rotating frame to rotate, and the rotating frame drives the scraper to scrape along the inner wall of the smoke pipe to scrape the dust on the inner wall of the flue. At the same time, the inclined scraper drives the scraped dust to move forward continuously. With the cooperation of the blowing mechanism, the cleaning effect of the dust on the inner wall of the flue is improved;

[0016] 2. A motor is provided to drive blades A and B to rotate, thereby crushing smoke lumps, ensuring that the smoke lumps can flow out with the air flow, avoiding dust accumulation and causing smoke duct blockage, and increasing the service life of the smoke pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It shows an isometric structural schematic diagram provided according to an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model is shown;

[0019] Figure 3 A schematic diagram of a side cross-sectional structure provided according to an embodiment of the utility model is shown;

[0020] Figure 4 The embodiment provided according to the utility model is shown Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 5 The embodiment provided according to the utility model is shown Figure 3 Schematic diagram of the local enlarged structure at point B in the middle.

[0022] Legend:

[0023] 100, smoke pipe; 200, mounting plate; 110, transparent observation window; 120, hoop; 130, support frame; 140, air filter; 101, boom; 102, electric telescopic rod; 103, servo motor; 104, rotating frame; 105, scraper; 201, motor; 202, blade A; 203, blade B; 301, branch pipe; 302, air hole; 303, wind hood; 304, booster pump. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] Embodiment 1:

[0028] like Figure 1-5As shown, a flue dust dredging device comprises a flue pipe 100 and a mounting plate 200 mounted at the bottom of the flue pipe 100, a scraping mechanism is arranged on the top of the flue pipe 100, and the scraping mechanism comprises a suspension arm 101, the suspension arm 101 is welded to the inner wall of the flue pipe 100, one end of the suspension arm 101 is fixed with an electric telescopic rod 102 by bolts, the extended end of the electric telescopic rod 102 is fixed with a servo motor 103 by bolts, the rotating end of the servo motor 103 is fixed with a rotating frame 104 by bolts, and one end of the rotating frame 104 is fixed with a servo motor 103 by bolts. A scraper 105 is provided, and the scraper 105 is installed at an angle. A crushing mechanism is provided on one side of the smoke pipe 100, and a blowing mechanism is provided below the smoke pipe 100. The blowing mechanism includes a branch pipe 301, and the branch pipe 301 is fixed to the bottom of the mounting plate 200 by bolts. A plurality of air holes 302 are cut on one side of the mounting plate 200. A wind hood 303 is fixed to one end of the branch pipe 301 by bolts, and a booster pump 304 is fixed to one end of the wind hood 303 by bolts, and an air filter 140 is fixed to one end of the booster pump 304 by bolts.

[0029] In this embodiment, an electric telescopic rod 102 is provided, which drives the servo motor 103 to move along the center position of the smoke pipe 100, and the servo motor 103 drives the rotating frame 104 to rotate. The rotating frame 104 drives the scraper 105 to scrape along the inner wall of the smoke pipe 100 to scrape off the dust compacted on the inner wall of the flue. At the same time, the inclined scraper 105 drives the scraped dust to move forward continuously. With the cooperation of the blowing mechanism, the cleaning effect of the dust on the inner wall of the flue is improved.

[0030] Embodiment 2:

[0031] like Figure 1-3 As shown, a flue dust clearing device, the crushing mechanism includes a motor 201, the motor 201 is fixed to one end of the smoke pipe 100 by bolts, the rotating end of the motor 201 is fixed with a blade A202 by bolts, a plurality of blades B203 are fixed below the blade A202 by bolts, the blades A202 and B203 are gap-matched with the inner wall of the smoke pipe 100, a transparent observation window 110 is fixed to the top of the smoke pipe 100 by bolts, hoop 120 is fixed to both ends of the smoke pipe 100 by bolts, and a support frame 130 is fixed to the hoop 120 by bolts.

[0032] In this embodiment, a motor 201 is provided, which drives blades A202 and B203 to rotate, thereby crushing smoke lumps, ensuring that the smoke lumps can flow out with the airflow, avoiding dust accumulation and causing smoke duct blockage, and increasing the service life of the smoke pipe.

[0033] Although the present invention discloses embodiments and drawings, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A flue dust dredging device, characterized in that: The invention comprises a smoke pipe (100) and a mounting plate (200) mounted at the bottom of the smoke pipe (100); a scraping mechanism is arranged at the top of the smoke pipe (100); the scraping mechanism comprises a suspension arm (101); the suspension arm (101) is welded to the inner wall of the smoke pipe (100); an electric telescopic rod (102) is arranged at one end of the suspension arm (101); a servo motor (103) is arranged at the extended end of the electric telescopic rod (102); a rotating frame (104) is arranged at the rotating end of the servo motor (103); a scraper (105) is arranged at one end of the rotating frame (104); the scraper (105) is installed in an inclined manner; a crushing mechanism is arranged at one side of the smoke pipe (100); and an air blowing mechanism is arranged below the smoke pipe (100).

2. A flue dust dredging device according to claim 1, characterized in that: The pulverizing mechanism comprises a motor (201), the motor (201) being fixed to one end of the smoke pipe (100) by means of bolts, a blade A (202) being arranged at the rotating end of the motor (201), a plurality of blades B (203) being arranged below the blade A (202), and the blades A (202) and the blades B (203) being gap-matched with the inner wall of the smoke pipe (100).

3. A flue dust dredging device according to claim 1, characterized in that: The blowing mechanism comprises a branch pipe (301), wherein the branch pipe (301) is fixed to the bottom of a mounting plate (200) by means of bolts, a plurality of air holes (302) are arranged on one side of the mounting plate (200), a wind hood (303) is arranged at one end of the branch pipe (301), and a booster pump (304) is arranged at one end of the wind hood (303).

4. A flue dust dredging device according to claim 1, characterized in that: A transparent observation window (110) is provided on the top of the smoke tube (100).

5. The flue dust dredging device according to claim 1, characterized in that: Hoops (120) are provided at both ends of the smoke pipe (100).

6. A flue dust dredging device according to claim 5, characterized in that: A support frame (130) is arranged below the hoop (120).

7. A flue dust dredging device according to claim 3, characterized in that: An air filter (140) is provided at one end of the boost pump (304).

Images