Detachable anti-blocking boiler hood

Abstract

The detachable anti-blocking boiler hood comprises an air pipe and a hood body, two sets of installation blocks are symmetrically arranged on the air pipe, fixing rods are arranged in the installation blocks, two sets of fixing frames are symmetrically distributed on the fixing rods, the fixing frames are rotationally connected with the fixing rods in a sleeved mode, sleeves are arranged on the fixing frames, and the sleeves are sleeved with the installation blocks. Two sets of symmetrically-distributed mounting rods are arranged in the air cap and correspond to the mounting blocks, clamping springs are arranged on the mounting rods, when the air cap is mounted, the air cap is placed in a clamping groove in the upper end of the air pipe, the air cap is rotated, the mounting rods fixedly mounted on the air cap rotate along with the air cap until the clamping springs abut against the two sets of sleeves, and the air cap is mounted on the air pipe. The mounting rod continues to rotate along with the air cap, the clamping spring abuts against the two sets of sleeves to conduct continuous extrusion, after the two sets of sleeves are extruded open through the first torsion spring, the two sets of sleeves clamp the clamping spring, then the air cap is fixed, when the air cap is disassembled, the air cap is directly rotated, and the air cap can be taken down after the clamping spring is separated from the two sets of sleeves.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler hoods, in particular to a detachable anti-clogging boiler hood. Background Art

[0002] The boiler hood device is a part of the boiler's primary air inlet device. The function of this device is to make the air enter the combustion area at the bottom of the boiler evenly to ensure the combustion of the fuel. The primary air inlet device includes an air distribution plate and a plurality of hood assemblies densely arranged on the air distribution plate. The hood assemblies have various structures, such as mushroom, column, spherical and umbrella shapes. The hood assembly of a traditional fluidized bed boiler usually includes a casing, an air duct and a bell.

[0003] In the prior art, the hood and the air duct are usually fixed together by welding or connectors, which makes it troublesome to disassemble the hood. Moreover, after the hood has been used for a long time, the air outlet is easily blocked and difficult to clean, which in turn affects the combustion efficiency of the boiler. Utility Model Content

[0004] The utility model aims to provide a detachable anti-clogging boiler hood to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detachable anti-clogging boiler hood, comprising an air duct and a hood, the air duct being symmetrically provided with two groups of mounting blocks, the mounting blocks being provided with fixing rods, the fixing rods being symmetrically provided with two groups of fixing frames, the fixing frames being rotatably sleeved with the fixing rods, the fixing frames being provided with sleeves, the hood being provided with two groups of symmetrically distributed mounting rods, the two groups of mounting rods being arranged corresponding to the mounting blocks, and the mounting rods being provided with retaining springs.

[0006] As a further preferred embodiment of the technical solution, a first torsion spring is sleeved on the fixing rod, and two ends of the first torsion spring are respectively fixedly connected to the fixing rod and the fixing frame.

[0007] As a further preferred embodiment of the present technical solution, the two groups of fixing frames are symmetrically distributed on both sides of the retaining spring, and the two groups of sleeves are respectively fitted with the retaining spring.

[0008] As a further preferred embodiment of the present technical solution, a mounting ring is provided inside the hood, the mounting ring is rotatably connected to the hood, a vertical rod is provided on the mounting ring, a first brush is provided on the vertical rod, the first brush is in contact with the outer wall of the hood, a gear ring is provided under the mounting ring, a gear is provided inside the hood, and a motor is provided on the hood.

[0009] As a further preferred embodiment of the present technical solution, the gear ring is rotatably connected to the wind hood via a bearing, the gear is rotatably connected to the wind hood via a rotating shaft, the gear is connected to the output end of the motor via a rotating shaft, the gear is meshingly connected to the gear ring, and a retaining ring is provided on the vertical rod, and the retaining ring is located above the mounting ring.

[0010] As a further preferred embodiment of the present technical solution, four groups of symmetrically distributed installation grooves are provided on the hood, a clamping rod is provided in the installation groove, a sleeve is provided on the clamping rod, a second brush is provided on the sleeve, two groups of symmetrically distributed second torsion springs are sleeved on the clamping rod, and both ends of the second torsion spring are fixedly connected to the clamping rod and the sleeve respectively.

[0011] The utility model provides a detachable anti-clogging boiler hood, which has the following beneficial effects:

[0012] (1) The utility model realizes the rapid fixation and disassembly between the hood and the air duct by providing a mounting block and a mounting rod, and provides the greatest convenience when the hood needs to be disassembled. When installing the hood, the hood is placed in the slot at the upper end of the air duct, and the hood is rotated, and the mounting rod fixed to the hood rotates accordingly until the retaining spring abuts against the two sets of sleeves. The mounting rod continues to rotate with the hood, and the retaining spring abuts against the two sets of sleeves and continues to squeeze. After the two sets of sleeves are squeezed apart by the first torsion spring, the two sets of sleeves are clamped by the retaining spring, thereby achieving the fixation of the hood. When disassembling the hood, the hood is directly rotated, and the hood can be removed after the retaining spring is separated from the two sets of sleeves.

[0013] (2) The utility model realizes cleaning of the air holes on the outer side of the hood by setting a vertical rod and a first brush, and realizes cleaning of the first brush by mutual brushing of the second brush and the first brush, which will affect the cleaning effect of the air holes on the hood after the first brush is stained with a lot of smoke and dust; the motor drives the gear to rotate, and the gear ring cooperates to make the mounting ring rotate, and the vertical rod and the first brush rotate accordingly to clean the outer wall of the hood. During the rotation of the first brush around the outer wall of the hood, it intermittently contacts with different second brushes. The second brush has a certain reaction force on the first brush under the action of the second torsion spring. Therefore, when the first brush and the second brush interact with each other, the second brush removes the dust stained by the first brush during the cleaning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the hood of the utility model;

[0016] Figure 3 For the utility model Figure 2 -A magnified view of the structure;

[0017] Figure 4 It is a structural schematic diagram of the vertical rod of the utility model;

[0018] Figure 5 For the utility model Figure 4 -Enlarged view of the structure at B;

[0019] In the figure: 1. air duct; 2. air hood; 3. mounting block; 4. mounting rod; 5. fixing rod; 6. fixing frame; 7. sleeve; 8. first torsion spring; 9. retaining spring; 10. mounting ring; 11. vertical rod; 12. first brush; 13. retaining ring; 14. gear ring; 15. gear; 16. motor; 17. mounting groove; 18. retaining rod; 19. sleeve; 20. second brush; 21. second torsion spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, in the present embodiment, a detachable anti-clogging boiler hood includes an air duct 1 and an air hood 2. Two groups of mounting blocks 3 are symmetrically arranged on the air duct 1. A fixing rod 5 is arranged inside the mounting block 3. Two groups of fixing frames 6 are symmetrically distributed on the fixing rod 5. The fixing frames 6 are rotatably sleeved with the fixing rod 5. A sleeve 7 is arranged on the fixing frame 6. Two groups of symmetrically distributed mounting rods 4 are arranged inside the air hood 2. The two groups of mounting rods 4 are arranged corresponding to the mounting blocks 3. A retaining spring 9 is arranged on the mounting rod 4. A first torsion spring 8 is sleeved on the fixing rod 5. The two ends of the first torsion spring 8 are respectively fixedly connected to the fixing rod 5 and the fixing frame 6. The two groups of fixing frames 6 are symmetrically distributed on both sides of the retaining spring 9. The two groups of sleeves 7 are respectively fitted with the retaining spring 9.

[0022] By setting the mounting block 3 and the mounting rod 4, the hood 2 and the air duct 1 can be quickly fixed and disassembled, providing the greatest convenience when the hood 2 needs to be disassembled; when installing the hood 2, place the hood 2 in the slot at the upper end of the air duct 1, and rotate the hood 2, and the mounting rod 4 fixed to the hood 2 will rotate accordingly until the retaining spring 9 presses against the two groups of sleeves 7, and the mounting rod 4 continues to rotate with the hood 2, and the retaining spring 9 presses against the two groups of sleeves 7 and continues to squeeze, and after the two groups of sleeves 7 are squeezed open by the first torsion spring 8, the two groups of sleeves 7 are clamped by the retaining spring 9, thereby achieving the fixation of the hood 2, and when disassembling the hood 2, directly rotate the hood 2, and the hood 2 can be removed after the retaining spring 9 is separated from the two groups of sleeves 7.

[0023] like Figure 4 and Figure 5As shown, a mounting ring 10 is provided in the hood 2, the mounting ring 10 is rotatably connected to the hood 2, a vertical rod 11 is provided on the mounting ring 10, a first brush 12 is provided on the vertical rod 11, the first brush 12 is in contact with the outer wall of the hood 2, a gear ring 14 is provided below the mounting ring 10, a gear 15 is provided in the hood 2, a motor 16 is provided on the hood 2, the gear ring 14 is rotatably connected to the hood 2 through a bearing, the gear 15 is rotatably connected to the hood 2 through a rotating shaft, and the gear 15 is connected to the output of the motor 16 through the rotating shaft. The output end is connected, the gear 15 is meshed with the gear ring 14, a retaining ring 13 is provided on the vertical rod 11, and the retaining ring 13 is located above the mounting ring 10. Four groups of symmetrically distributed mounting grooves 17 are opened on the hood 2, and a clamping rod 18 is provided in the mounting groove 17. A sleeve 19 is sleeved on the clamping rod 18, and a second brush 20 is provided on the sleeve 19. Two groups of symmetrically distributed second torsion springs 21 are sleeved on the clamping rod 18, and the two ends of the second torsion spring 21 are fixedly connected to the clamping rod 18 and the sleeve 19 respectively.

[0024] The wind holes on the outer side of the hood 2 are cleaned by setting the vertical rod 11 and the first brush 12, and the first brush 12 is cleaned by mutual brushing of the second brush 20 and the first brush 12. When the first brush 12 is stained with more smoke and dust, the cleaning effect of the wind holes on the hood 2 is affected; the motor 16 drives the gear 15 to rotate, and the gear ring 14 cooperates to make the mounting ring 10 rotate, and the vertical rod 11 and the first brush 12 rotate accordingly to clean the outer wall of the hood 2. During the rotation of the first brush 12 around the outer wall of the hood 2, it intermittently contacts with different second brushes 20. The second brush 20 has a certain reaction force on the first brush 12 under the action of the second torsion spring 21. Therefore, when the first brush 12 and the second brush 20 interact with each other, the second brush 20 removes the dust stained by the first brush 12 during the cleaning process.

[0025] The utility model provides a detachable anti-clogging boiler hood, and the specific working principle is as follows: when installing the hood 2, the hood 2 is placed in the clamping groove at the upper end of the air duct 1, and the hood 2 is rotated, and the installation rod 4 fixedly installed with the hood 2 rotates accordingly until the retaining spring 9 abuts against the two sets of sleeves 7, and the installation rod 4 continues to rotate with the hood 2, and the retaining spring 9 abuts against the two sets of sleeves 7 and continues to squeeze, and after the two sets of sleeves 7 are squeezed open by the first torsion spring 8, the two sets of sleeves 7 are clamped by the retaining spring 9, thereby achieving the fixation of the hood 2, and when the hood 2 is disassembled, the hood 2 is directly rotated, and the retaining spring 9 and the two sets of sleeves 7 are After separation, the hood 2 can be removed, and the gear 15 is driven to rotate by the motor 16, and the mounting ring 10 is rotated in cooperation with the gear ring 14, and the vertical rod 11 and the first brush 12 rotate accordingly to clean the outer wall of the hood 2. During the rotation of the first brush 12 around the outer wall of the hood 2, it intermittently contacts with different second brushes 20. The second brush 20 has a certain reaction force on the first brush 12 under the action of the second torsion spring 21. Therefore, when the first brush 12 and the second brush 20 interact with each other, the second brush 20 removes the dust contaminated by the first brush 12 during the cleaning process.

[0026] 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. A detachable anti-clogging boiler hood, comprising an air duct (1) and a hood (2), characterized in that: Two groups of mounting blocks (3) are symmetrically arranged on the air duct (1), a fixing rod (5) is arranged inside the mounting block (3), two groups of fixing frames (6) are symmetrically distributed on the fixing rod (5), the fixing frames (6) are rotatably sleeved with the fixing rod (5), a sleeve (7) is arranged on the fixing frame (6), two groups of symmetrically distributed mounting rods (4) are arranged inside the air hood (2), the two groups of mounting rods (4) are arranged corresponding to the mounting blocks (3), and a retaining spring (9) is arranged on the mounting rod (4).

2. The detachable anti-clogging boiler hood according to claim 1 is characterized by: A first torsion spring (8) is sleeved on the fixing rod (5), and two ends of the first torsion spring (8) are respectively fixedly connected to the fixing rod (5) and the fixing frame (6).

3. The detachable anti-clogging boiler hood according to claim 1 is characterized in that: The two groups of fixing frames (6) are symmetrically distributed on both sides of the retaining spring (9), and the two groups of sleeves (7) are respectively fitted with the retaining spring (9).

4. The detachable anti-clogging boiler hood according to claim 1 is characterized in that: The hood (2) is provided with a mounting ring (10), the mounting ring (10) is rotatably connected to the hood (2), the mounting ring (10) is provided with a vertical rod (11), the vertical rod (11) is provided with a first brush (12), the first brush (12) is in contact with the outer wall of the hood (2), a gear ring (14) is provided below the mounting ring (10), a gear (15) is provided inside the hood (2), and a motor (16) is provided on the hood (2).

5. The detachable anti-clogging boiler hood according to claim 4 is characterized in that: The gear ring (14) is rotatably connected to the hood (2) via a bearing, the gear (15) is rotatably connected to the hood (2) via a rotating shaft, the gear (15) is connected to the output end of the motor (16) via the rotating shaft, the gear (15) is meshingly connected to the gear ring (14), and a retaining ring (13) is provided on the vertical rod (11), and the retaining ring (13) is located above the mounting ring (10).

6. The detachable anti-clogging boiler hood according to claim 1, characterized in that: The hood (2) is provided with four groups of symmetrically distributed installation grooves (17), a clamping rod (18) is provided in the installation groove (17), a sleeve (19) is sleeved on the clamping rod (18), a second brush (20) is provided on the sleeve (19), and two groups of symmetrically distributed second torsion springs (21) are sleeved on the clamping rod (18), and two ends of the second torsion spring (21) are fixedly connected to the clamping rod (18) and the sleeve (19) respectively.

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