Anti-blocking boiler flue gas denitration device

Abstract

The utility model discloses an anti-blocking boiler flue gas denitration device which comprises a main piece, a first rotating ring is arranged on the outer side of the main piece, a second rotating ring is connected to the outer side of the first rotating ring through turbine blades, and a plurality of rubber cleaning blades are installed on the outer wall of the second rotating ring through locking pieces; the locking piece comprises an external thread cylinder, a positioning plate is arranged at the bottom of the rubber cleaning blade and movably located in the external thread cylinder, and a locking nut is connected to the external thread cylinder in a threaded mode. Turbine blades, a first rotating ring and a second rotating ring are driven through tail gas, the first rotating ring and a main part are connected through a rotating circular ring and an arc-shaped sliding groove, stability can be improved, movable connection can be achieved, friction force is reduced, a plurality of rubber cleaning blades are installed through a locking part, equipment is hoisted through a rope, and the cleaning efficiency is improved. Dust can be conveniently and synchronously cleaned when the flue gas denitration equipment runs.

Description

Technical Field

[0001] The utility model relates to the technical field of flue cleaning, in particular to an anti-clogging boiler flue gas denitrification device. Background Art

[0002] There are two main types of flue gas denitrification technologies: dry method (selective catalytic reduction flue gas denitrification, selective non-catalytic reduction denitrification) and wet method. Compared with wet flue gas denitrification technology, the main advantages of dry flue gas denitrification technology are: low basic investment, simple equipment and process, high efficiency of NOX removal, no wastewater and waste treatment, and not easy to cause secondary pollution.

[0003] After flue gas denitrification, the exhaust gas needs to be discharged through the chimney. However, after long-term use, dust is easily accumulated on the inner wall of the chimney. If it is not cleaned for a long time, the chimney will be blocked and the exhaust gas cannot be discharged. However, the chimney is relatively slender and not easy to clean. In addition, the flue gas denitrification needs to be stopped during cleaning, which is very inconvenient and difficult to operate. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-clogging boiler flue gas denitrification device, which has the advantages of non-stop operation, convenient and quick operation, using flue gas as power, reducing the difficulty of operation, etc., so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-clogging boiler flue gas denitrification device comprises a main part, a first rotating ring is arranged on the outer side of the main part, a second rotating ring is connected to the outer side of the first rotating ring through turbine blades, and a plurality of rubber cleaning blades are installed on the outer wall of the second rotating ring through a locking member;

[0007] The locking member comprises an external threaded barrel, a positioning plate is fixedly provided at the bottom of the rubber cleaning leaf, the positioning plate is movably located inside the external threaded barrel, and a locking nut is threadedly connected to the external threaded barrel.

[0008] Preferably, an arc-shaped sliding groove is provided in the middle of the outer side of the main component, the arc-shaped sliding groove is set as a major arc, and the center of the section of the arc-shaped sliding groove is located on the inner side of the edge of the main component.

[0009] Preferably, a rotating circular ring is fixedly provided at the middle portion of the inner side of the first rotating ring, and the rotating circular ring is movably located inside the arc-shaped sliding groove.

[0010] Preferably, a hanging ring is welded on the upper surface of the main component, and the hanging ring is fixedly connected to an external suspension rope.

[0011] Preferably, a plurality of turbine blades are arranged at equal intervals between the first rotating ring and the second rotating ring, and the turbine blades are arranged at an inclination.

[0012] Preferably, a cross-shaped tightening opening is provided at the outer end of the external threaded barrel, and the diameter of the positioning plate is matched with the inner diameter of the external threaded barrel.

[0013] Preferably, the inner side of the locking nut is arranged as an inclined thread surface, the inner diameter of one end of the locking nut is matched with the outer diameter of the external threaded barrel, and the inner diameter of the locking nut gradually decreases.

[0014] Preferably, the locking nut is sleeved on the rubber cleaning blade, and an anti-slip ring is provided at one end of the locking nut, and the inner diameter of the anti-slip ring is smaller than the diameter of the positioning plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] When the utility model is in use, the turbine blades of the equipment are driven by the blowing of exhaust gas, so that the first rotating ring and the second rotating ring can be rotated, and the first rotating ring and the main part are connected by a rotating ring and an arc-shaped sliding groove, which can not only improve stability and prevent falling off, but also enable active connection and reduce friction. A plurality of rubber cleaning leaves are installed on the second rotating ring through a locking piece, which is convenient for cleaning the dust on the inner wall of the chimney during rotation, and the locking nut is tightened on the external threaded tube to prevent the positioning plate from falling off and improve the installation stability of the rubber cleaning leaves. The rubber cleaning leaves are soft and adjustable, which is convenient for adapting to chimneys of different sizes, and will not cause jamming and inability to operate. The equipment is hoisted by ropes, which is convenient for cleaning dust simultaneously when the flue gas denitrification equipment is running. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0020] In the figure: 1. main part; 2. first rotating ring; 3. second rotating ring; 4. turbine blade; 5. rubber cleaning blade; 6. external threaded cylinder; 7. cross-shaped tightening mouth; 8. positioning plate; 9. locking nut; 10. rotating ring; 11. arc-shaped sliding groove; 12. hanging ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 , the utility model provides a technical solution:

[0023] An anti-clogging boiler flue gas denitrification device comprises a main part 1, a first rotating ring 2 is arranged on the outer side of the main part 1, a second rotating ring 3 is connected to the outer side of the first rotating ring 2 through a turbine blade 4, and a plurality of rubber cleaning blades 5 are installed on the outer wall of the second rotating ring 3 through a locking member;

[0024] The locking member includes an external threaded tube 6 , a positioning plate 8 is fixedly provided at the bottom of the rubber cleaning leaf 5 , and the positioning plate 8 is movably located inside the external threaded tube 6 , and a locking nut 9 is threadedly connected to the external threaded tube 6 .

[0025] In order to enable the arc-shaped sliding groove 11 to facilitate the active connection with the first rotating ring 2 and provide a certain limiting ability to prevent the first rotating ring 2 from falling off, and the circular setting can reduce friction, in this embodiment, preferably, an arc-shaped sliding groove 11 is opened in the middle part of the outer side of the main component 1, and the arc-shaped sliding groove 11 is a superior arc setting, and the center of the cross-section of the arc-shaped sliding groove 11 is on the inner side of the edge of the main component 1.

[0026] In order to ensure that the first rotating ring 2 can be stably connected and maintain rotational performance and reduce friction, in this embodiment, preferably, a rotating ring 10 is fixedly provided in the middle of the inner side of the first rotating ring 2, and the rotating ring 10 is movable inside the arc-shaped sliding groove 11.

[0027] In order to achieve hoisting of the main component 1 and facilitate lifting and lowering of the equipment inside the chimney, in this embodiment, preferably, a hanging ring 12 is welded on the upper surface of the main component 1, and the hanging ring 12 is fixedly connected to an external suspension rope.

[0028] In order to enable the device to drive the first rotating ring 2 and the second rotating ring 3 to rotate under the blowing of the flue gas flow, in this embodiment, preferably, a plurality of turbine blades 4 are provided at equal intervals between the first rotating ring 2 and the second rotating ring 3, and the turbine blades 4 are all inclined.

[0029] In order to allow the end to shrink and lock the positioning plate 8 to prevent it from falling off when the external threaded tube 6 is connected, in this embodiment, preferably, a cross-shaped tightening opening 7 is provided at the outer end of the external threaded tube 6, and the diameter of the positioning plate 8 is adapted to the inner diameter of the external threaded tube 6.

[0030] In order to enable the locking nut 9 to squeeze and shrink the end of the external threaded tube 6, in this embodiment, preferably, the inner side of the locking nut 9 is arranged as an inclined thread surface, the inner diameter of one end of the locking nut 9 is adapted to the outer diameter of the external threaded tube 6, and the inner diameter of the locking nut 9 gradually decreases.

[0031] In order to facilitate the contraction of the locking nut 9 to the end of the external threaded tube 6, in the present embodiment, preferably, the locking nut 9 is sleeved on the rubber cleaning leaf 5, and an anti-slip ring is provided at one end of the locking nut 9, and the inner diameter of the anti-slip ring is smaller than the diameter of the positioning plate 8.

[0032] Working principle: when in use, the equipment is installed and connected through ropes and hanging rings 12, which is convenient for connecting and hanging the equipment. Then, the rope can be supported and retracted through the pulley assembly. When the equipment is placed inside the chimney, the exhaust gas flow will blow the turbine blades 4 when flowing, so that the first rotating ring 2, the second rotating ring 3 and the turbine blades 4 rotate, and an arc-shaped sliding groove 11 is opened in the middle part of the outer side of the main part 1, and a rotating circular ring 10 is fixed in the middle part of the inner side of the first rotating ring 2. The rotating circular ring 10 moves inside the arc-shaped sliding groove 11, so that the first rotating ring 2 can be connected and rotated, reducing friction and facilitating rotation. A plurality of rubber cleaning leaves 5 are installed on the second rotating ring 3 through a locking member, which is convenient for rotation. To clean the dust on the inner wall of the chimney, a cross-shaped tightening port 7 is provided at the outer end of the externally threaded tube 6. The diameter of the positioning plate 8 is matched with the inner diameter of the externally threaded tube 6, and the positioning plate 8 is located inside the externally threaded tube 6. The inner side of the locking nut 9 is arranged as an inclined threaded surface. The inner diameter of one end of the locking nut 9 is matched with the outer diameter of the externally threaded tube 6. The inner diameter of the locking nut 9 gradually decreases, so that when the externally threaded tube 6 is threadedly connected, the locking nut 9 can be contracted, which is convenient for locking the positioning plate 8 and preventing the positioning plate 8 from falling off. The installation stability of the rubber cleaning leaf 5 is improved. The rubber cleaning leaf 5 is soft and adjustable, which is convenient for adapting to chimneys of different sizes. It will not cause jamming and inability to operate, and prevent loosening and falling off, so as to realize cleaning the dust on the inner wall of the chimney when rotating.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-clogging boiler flue gas denitrification device, comprising a main component (1), characterized in that: A first rotating ring (2) is provided on the outer side of the main component (1); a second rotating ring (3) is connected to the outer side of the first rotating ring (2) via turbine blades (4); and a plurality of rubber cleaning blades (5) are mounted on the outer wall of the second rotating ring (3) via locking members; The locking member comprises an externally threaded barrel (6), a positioning plate (8) is fixedly provided at the bottom of the rubber cleaning blade (5), the positioning plate (8) is movably located inside the externally threaded barrel (6), and a locking nut (9) is threadedly connected to the externally threaded barrel (6).

2. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: An arc-shaped sliding groove (11) is provided in the middle of the outer side of the main part (1), the arc-shaped sliding groove (11) is arranged as a major arc, and the center of the section of the arc-shaped sliding groove (11) is located on the inner side of the edge of the main part (1).

3. The anti-clogging boiler flue gas denitrification device according to claim 2 is characterized in that: A rotating circular ring (10) is fixedly provided at the middle portion of the inner side of the first rotating ring (2), and the rotating circular ring (10) is movably located inside the arc-shaped sliding groove (11).

4. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: A hanging ring (12) is welded to the upper surface of the main component (1), and the hanging ring (12) is fixedly connected to an external hanging rope.

5. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: A plurality of turbine blades (4) are arranged at equal intervals between the first rotating ring (2) and the second rotating ring (3), and the turbine blades (4) are all arranged in an inclined manner.

6. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: The outer end of the external threaded barrel (6) is provided with a cross-shaped tightening opening (7), and the diameter of the positioning plate (8) is matched with the inner diameter of the external threaded barrel (6).

7. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: The inner side of the locking nut (9) is provided with an inclined thread surface, the inner diameter of one end of the locking nut (9) is matched with the outer diameter of the external threaded barrel (6), and the inner diameter of the locking nut (9) gradually decreases.

8. The anti-clogging boiler flue gas denitrification device according to claim 1 is characterized in that: The locking nut (9) is sleeved on the rubber cleaning blade (5), and an anti-slip ring is provided at one end of the locking nut (9), wherein the inner diameter of the anti-slip ring is smaller than the diameter of the positioning plate (8).

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