CN219346493U

CN219346493U - Blowing track changing device of boiler soot blower

Info

Publication number: CN219346493U
Application number: CN202223045359.XU
Authority: CN
Inventors: 朱伟; 冯宏; 钟江; 苏根荣; 陈斌; 蒋思炯
Original assignee: Tongxiang Tai Aisi Environmental Energy Co ltd
Current assignee: Tongxiang Tai Aisi Environmental Energy Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-07-14
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a blowing track conversion device of a boiler soot blower, which belongs to the field of soot blower equipment, and comprises a soot blower, wherein a soot blowing pipe is arranged on the soot blower, and a soot blowing opening is formed in the soot blowing pipe; the ash blowing pipe is connected with a movable lantern ring in a sliding way, and a limiting device for limiting the sliding of the movable lantern ring is arranged on the ash blowing pipe; a fixed block is arranged at one side of the ash blowing pipe, a linkage mechanism is arranged on the fixed block, and the linkage mechanism drives the movable lantern ring to slide on the ash blowing pipe; the movable lantern ring is provided with a driving device matched with the linkage mechanism; the movable lantern ring is provided with a fixing hole matched with the soot blowing port, and the fixing hole is provided with a filter screen. The blowing track conversion device of the boiler soot blower can prevent dust from being accumulated and blocked on a soot blowing port.

Description

Blowing track changing device of boiler soot blower

Technical Field

The utility model relates to the field of soot blower equipment, in particular to a boiler soot blower purging track conversion device.

Background

The most widely used and effective soot blower is a steam soot blower, in the telescopic soot blower, the blowing of the gun barrel nozzle is performed by the running car and gun barrel rotation, the next blowing period is performed after the soot blower blows for one period, the blowing of the nozzle repeats the previous blowing track, and the gun barrel nozzle continuously and reciprocally blows.

In the prior art, a soot blowing pipe is usually required to extend into a boiler when a soot blower is installed, a large amount of dust can be generated when the boiler is used, a soot blowing opening of the soot blowing pipe can be accumulated by the dust in the boiler, blockage is generated, and then the cleaning effect of the soot blowing pipe can be affected. Based on the method, the utility model provides a blowing track conversion device of a boiler soot blower.

Disclosure of Invention

The utility model aims to provide a blowing track conversion device of a boiler soot blower, which solves the problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a blowing track changing device of a boiler soot blower, which comprises a soot blower, wherein a soot blowing pipe is arranged on the soot blower, and a soot blowing opening is formed in the soot blowing pipe; the ash blowing pipe is connected with a movable lantern ring in a sliding manner, and a limiting device for limiting the sliding of the movable lantern ring is arranged on the ash blowing pipe; a fixed block is arranged at one side of the ash blowing pipe, a linkage mechanism is arranged on the fixed block, and the linkage mechanism drives the movable lantern ring to slide on the ash blowing pipe; the movable lantern ring is provided with a driving device matched with the linkage mechanism; the movable lantern ring is provided with a fixing hole matched with the soot blowing port, and the fixing hole is provided with a filter screen.

Further, the limiting device comprises a fixed sleeve ring fixedly connected with the ash blowing pipe, a plurality of movable shafts are arranged at one ends of the fixed sleeve ring towards the movable sleeve ring, the other ends of the movable shafts are slidably arranged in movable holes formed in the movable sleeve ring, and springs are sleeved on the movable shafts between the fixed sleeve ring and the movable sleeve ring.

Further, a limiting groove is formed in the inner side wall of the movable hole, and a limiting block matched with the limiting groove is arranged at the end part of the movable shaft.

Further, the linkage mechanism comprises a rotating plate which is rotationally connected with the fixed block, a rotating shaft is arranged at the center of the rotating plate, and a plurality of fan blades are fixedly connected with the periphery of the rotating shaft; one end of the rotating shaft, which is far away from the rotating plate, is connected with a gear in a key way.

Further, an anti-falling groove is formed in the rotating plate, an anti-falling block is arranged in the anti-falling groove, and the anti-falling block is fixedly connected with the rotating shaft.

Further, the driving device comprises a rack fixedly arranged on the movable lantern ring, the rack is meshed with the gear on the linkage mechanism, and a connecting block used for limiting is arranged at one end, away from the movable lantern ring, of the rack.

Further, a rotating hole which is connected with the ash blowing pipe in a sliding way is formed in the inner side of the movable lantern ring.

Compared with the prior art, the utility model has the beneficial technical effects that:

according to the blowing track conversion device of the boiler soot blower, the soot blowing opening is blocked by the filter screen, the fan blades and the like, so that the soot blowing opening is prevented from being blocked when the soot blowing pipe is not used, the fan blades of the gear are driven to rotate by the air discharged from the soot blowing opening of the soot blower when the soot blower is used, the gear is driven to rotate by the fan blades, so that the gear and the rack are meshed to drive the rack to move, the movable lantern ring is driven to move by the movement of the rack, the filter screen on the movable lantern ring is opened by the movement of the movable lantern ring, and ventilation of the soot blowing opening can be recovered smoothly. In a word, the blowing track conversion device of the boiler soot blower can prevent dust from being accumulated and blocked on a soot blowing port.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic diagram of a boiler soot blower purge trajectory conversion device of the present utility model;

FIG. 2 is a schematic view of a portion of a lance tube of the soot blower purge trajectory conversion device of the present utility model;

FIG. 3 is a schematic view of a soot blowing port portion of a soot blower purge trajectory changer of the present utility model;

FIG. 4 is a schematic view of a part of the structure of a movable collar of the soot blower purging track conversion device of the boiler;

FIG. 5 is a schematic view of a gear section cross-sectional structure of a soot blower purge trajectory changer of the present utility model;

FIG. 6 is a schematic diagram of a partial cross-sectional structure of a movable shaft of a soot blower purge trajectory conversion device of the boiler of the present utility model;

reference numerals illustrate: 1. a soot blower; 2. a lance tube; 3. a soot blowing port; 4. a movable collar; 5. a fixed block; 6. a fixed collar; 7. a filter screen; 8. a fixing hole; 9. a rotation hole; 10. a rotating piece; 11. an anti-drop groove; 12. an anti-falling block; 13. a rotating shaft; 14. a fan blade; 15. a gear; 16. a rack; 17. a connecting block; 18. a movable shaft; 19. a movable hole; 20. a limiting block; 21. a limit groove; 22. and (3) a spring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-6, the blowing track conversion device of the boiler soot blower comprises a soot blower 1, wherein a soot blowing pipe 2 is arranged on the soot blower 1, and a soot blowing opening 3 is formed in the soot blowing pipe 2. The ash blowing pipe 2 is connected with the movable lantern ring 4 in a sliding way, and the ash blowing pipe 2 is provided with a limiting device for limiting the sliding of the movable lantern ring 4. A fixed block 5 is arranged at one side of the lance tube 2, a linkage mechanism is arranged on the fixed block 5, and the linkage mechanism drives a movable lantern ring 4 to slide on the lance tube 2. The movable lantern ring 4 is provided with a driving device matched with the linkage mechanism. The movable lantern ring 4 is provided with a fixed hole 8 matched with the soot blowing opening 3, and the fixed hole 8 is provided with a filter screen 7 to prevent dust from falling into the soot blowing opening 3 to accumulate and block the soot blowing opening 3.

The limiting device comprises a fixed sleeve ring 6 fixedly connected with the ash blowing pipe 2, a plurality of movable shafts 18 are arranged at one ends of the fixed sleeve ring 6 towards the movable sleeve ring 4, the other ends of the movable shafts 18 are slidably arranged in movable holes 19 formed in the movable sleeve ring 4, and springs 22 are sleeved on the movable shafts 18 between the fixed sleeve ring 6 and the movable sleeve ring 4. When the soot blower stops working, the movable lantern ring 4 is positioned at the soot blowing port 3 under the action of the spring 22, and the filter screen 7 on the fixed hole 8 prevents dust from the soot blowing port 3, so that the soot blowing port 3 is prevented from being blocked.

The limiting groove 21 is arranged on the inner side wall of the movable hole 19, the limiting block 20 matched with the limiting groove 21 is arranged at the end part of the movable shaft 18, the moving track of the movable shaft 18 is limited, annular movement is avoided, and only linear reciprocating movement can be carried out along the movable hole 19.

The linkage mechanism comprises a rotating plate 10 rotatably connected with the fixed block 5, a rotating shaft 13 is arranged at the center of the rotating plate 10, a plurality of fan blades 14 are fixedly connected around the rotating shaft 13, and one end, away from the rotating plate 10, of the rotating shaft 13 is connected with a gear 15 in a key manner. The anti-drop groove 11 is formed in the rotating piece 10, an anti-drop block 12 is installed in the anti-drop groove 11, and the anti-drop block 12 is fixedly connected with the rotating shaft 13. The driving device comprises a rack 16 fixedly arranged on the movable lantern ring 4, the rack 16 is meshed with a gear 15 on the linkage mechanism, and a connecting block 17 for limiting is arranged at one end, away from the movable lantern ring 4, of the rack 16. When the soot blower works, the fan blown out by the soot blowing opening 3 drives the fan blades 14 to rotate, the fan blades rotate to drive the rotating shaft 13 to rotate, then the gear 15 is driven to rotate, the gear 15 drives the rack 16 to move along a straight line towards the direction of the fixed lantern ring 6, then the movable lantern ring 4 is driven to move together, the filter screen 7 gradually moves out of blocking the soot blowing opening 3, finally the soot blowing opening 3 leaks out, and ventilation of the soot blowing opening 3 is restored to be smooth.

The inner side of the movable lantern ring 4 is provided with a rotating hole 9 which is in sliding connection with the blowing pipe 2.

The action process of the utility model is as follows:

when the soot blower stops working, the movable lantern ring 4 is positioned at the soot blowing port 3 under the action of the spring 22, and the filter screen 7 on the fixed hole 8 is used for singly blocking the soot blowing port 3, so that dust prevention is realized, and the soot blowing port 3 is prevented from being blocked;

when the soot blower works, the soot blowing opening 3 blows air to clean the boiler, wind power exhausted by the soot blowing opening 3 drives the fan blades 14 to rotate, the fan blades rotate to drive the rotating shaft 13 to rotate, then the gear 15 is driven to rotate, the gear 15 drives the rack 16 to move along a straight line towards the direction of the fixed lantern ring 6, and then the movable lantern ring 4 is driven to move together, the filter screen 7 gradually moves out of blocking the soot blowing opening 3, finally the soot blowing opening 3 leaks out, and ventilation of the soot blowing opening 3 is restored to be smooth.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a boiler soot blower sweeps orbit conversion device which characterized in that: the device comprises a soot blower (1), wherein a soot blowing pipe (2) is arranged on the soot blower (1), and a soot blowing port (3) is formed in the soot blowing pipe (2); the ash blowing pipe (2) is connected with the movable lantern ring (4) in a sliding manner, and the ash blowing pipe (2) is provided with a limiting device for limiting the sliding of the movable lantern ring (4); a fixed block (5) is arranged at one side of the ash blowing pipe (2), a linkage mechanism is arranged on the fixed block (5), and the linkage mechanism drives a movable lantern ring (4) to slide on the ash blowing pipe (2); a driving device matched with the linkage mechanism is arranged on the movable lantern ring (4); the movable lantern ring (4) is provided with a fixing hole (8) matched with the soot blowing port (3), and the fixing hole (8) is provided with a filter screen (7).

2. The boiler soot blower purge trajectory conversion device of claim 1, wherein: the limiting device comprises a fixed sleeve ring (6) fixedly connected with the ash blowing pipe (2), a plurality of movable shafts (18) are arranged at one ends of the fixed sleeve ring (6) towards the movable sleeve ring (4), the other ends of the movable shafts (18) are slidably arranged in movable holes (19) formed in the movable sleeve ring (4), and springs (22) are sleeved on the movable shafts (18) between the fixed sleeve ring (6) and the movable sleeve ring (4).

3. The boiler soot blower purge trajectory conversion device according to claim 2, wherein: the movable shaft is characterized in that a limiting groove (21) is formed in the inner side wall of the movable hole (19), and a limiting block (20) matched with the limiting groove (21) is arranged at the end part of the movable shaft (18).

4. The boiler soot blower purge trajectory conversion device of claim 1, wherein: the linkage mechanism comprises a rotating plate (10) which is rotationally connected with the fixed block (5), a rotating shaft (13) is arranged at the center of the rotating plate (10), and a plurality of fan blades (14) are fixedly connected with the periphery of the rotating shaft (13); one end of the rotating shaft (13) far away from the rotating plate (10) is connected with a gear (15) in a key way.

5. The boiler soot blower purge trajectory conversion device according to claim 4, wherein: the anti-falling device is characterized in that an anti-falling groove (11) is formed in the rotating piece (10), an anti-falling block (12) is arranged in the anti-falling groove (11), and the anti-falling block (12) is fixedly connected with the rotating shaft (13).

6. The boiler soot blower purge trajectory conversion device of claim 1, wherein: the driving device comprises a rack (16) fixedly arranged on the movable lantern ring (4), the rack (16) is meshed with a gear (15) on the linkage mechanism, and one end, away from the movable lantern ring (4), of the rack (16) is provided with a connecting block (17) for limiting.

7. The boiler soot blower purge trajectory conversion device of claim 1, wherein: the inner side of the movable lantern ring (4) is provided with a rotating hole (9) which is in sliding connection with the ash blowing pipe (2).