CN219389789U - Diffusion preventing structure for collecting boiler flue gas - Google Patents

Abstract

The utility model belongs to the technical field of waste gas treatment equipment, in particular to a boiler flue gas collection and diffusion prevention structure, which comprises a gas transmission bent pipe, wherein a rotating pipe is rotationally connected inside one end of the gas transmission bent pipe, a first conveying pipe is rotationally connected to the other end of the rotating pipe, a first rotating rod is fixedly arranged inside the rotating pipe through a fixing plate, a first cleaning scraper is fixedly arranged outside the first rotating rod, one side of the first cleaning scraper is closely attached to the gas transmission bent pipe and the inner wall of the first conveying pipe, and a first bevel gear is fixedly arranged on one end of the first rotating rod; can drive first bull stick and second bull stick through rotating the rotation pipe and rotate, and then drive first clean scraper blade and second clean scraper blade and scrape the dust that gathers together to gas transmission return bend both ends inner wall, reach the effect of mediation to when reducing long-time transportation flue gas, some smoke and dust impurity in the flue gas can attach to gas transmission return bend inner wall, causes the gas transmission return bend to block up, and then influences the conveying speed of follow-up flue gas.

Description

Diffusion preventing structure for collecting boiler flue gas

Technical Field

The utility model belongs to the technical field of waste gas treatment equipment, and particularly relates to a boiler flue gas collection and diffusion prevention structure.

Background

The boiler is also called a steam generator, and the product is processed to a certain temperature through the heat energy provided by the fuel, so that the boiler is often suitable for the related fields of power plants, thermal power plants, heat supply and the like.

When the boiler is in operation, flue gas can be discharged to the outside through a boiler chimney, the flue gas contains a lot of dust, the granularity of part of dust is small, and when the flue gas is discharged to the outside, the flue gas floats in the sky to form fly ash, so that the atmospheric pollution is caused.

At present, in order to reduce the direct emission of boiler flue gas to the external world, generally filter and purify boiler flue gas, so as to reduce the pollution of flue gas to the atmosphere, the existing flue gas is generally connected with a purification device through a pipeline, so that the flue gas is prevented from diffusing out in the middle of being conveyed to the purification device and further drifting to a workshop, the health of workshop personnel is endangered, meanwhile, the interior of the flue gas generally contains a certain impurity smoke dust, part of smoke dust impurities can adhere to the inner wall of a conveying pipeline and possibly block the pipeline, the conveying speed of the subsequent flue gas is influenced, the pipeline is generally required to be detached when the conveying pipeline is dredged, the steps are complicated, and meanwhile, the boiler is required to be stopped to operate when the dredging is carried out, so that the normal operation of the boiler is influenced; therefore, a boiler flue gas collection and diffusion prevention structure is proposed for the above problems.

Disclosure of Invention

In order to make up the defect of the prior art, when solving current dredging to pipeline, generally need dismantle the pipeline, dredging work, the step is comparatively loaded down with trivial details, when dredging simultaneously, need stop the operation of boiler, influence the problem of the normal operating of boiler, the diffusion structure is prevented in boiler flue gas collection that proposes.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a boiler flue gas collection and diffusion prevention structure, which comprises a gas transmission bent pipe, wherein a rotating pipe is rotationally connected to the inside of one end of the gas transmission bent pipe, a first conveying pipe is rotationally connected to the other end of the rotating pipe, a first rotating rod is fixedly arranged inside the rotating pipe through a fixing plate, a first cleaning scraping plate is fixedly arranged outside the first rotating rod, one side of the first cleaning scraping plate is closely attached to the gas transmission bent pipe and the inner wall of the first conveying pipe, a first bevel gear is fixedly arranged at one end of the first rotating rod, a second bevel gear is meshed with one side of the first bevel gear, a second rotating rod is fixedly arranged at one end of the second bevel gear, a rotating ring is rotationally arranged inside one end of the gas transmission bent pipe, the rotating ring is fixedly connected with the second rotating rod, a second cleaning scraping plate is fixedly arranged outside the second rotating rod, and one side of the second cleaning scraping plate is closely attached to the inner wall of the gas transmission bent pipe; can drive first bull stick and second bull stick through rotating the rotation pipe and rotate, and then drive first clean scraper blade and second clean scraper blade and scrape the dust that gathers together to gas transmission return bend both ends inner wall, reach the effect of mediation to when reducing long-time transportation flue gas, some smoke and dust impurity in the flue gas can attach to gas transmission return bend inner wall, causes the gas transmission return bend to block up, and then influences the conveying speed of follow-up flue gas.

Preferably, a first ash collecting box is fixedly arranged at one end of the gas transmission bent pipe, a second gas transmission pipe is fixedly arranged in the first ash collecting box, a conical guide plate is fixedly arranged at one end of the second gas transmission pipe, and a second ash collecting box is symmetrically and fixedly arranged at the bottom side of the other end of the gas transmission bent pipe; the second dust collection box is used for collecting dust and impurities scraped off by the first cleaning scraping plate, and meanwhile, the first dust collection box is used for collecting dust and impurities scraped off by the second cleaning scraping plate, so that cleaned dust and impurities are reduced to be accumulated inside the gas transmission bent pipe, the conveying speed of the gas transmission bent pipe for conveying smoke is affected, and the cleaning and dredging effect is further improved.

Preferably, a plurality of groups of springs are fixedly arranged in the bottom end of the second dust collecting box at equal intervals, a sliding plate is slidably arranged in the bottom end of the second dust collecting box, and the other ends of the springs are fixedly connected with the sliding plate; through pulling the slide, dust impurity can follow the inside whereabouts of second album ash box, reaches the purpose of being convenient for take out album inside ash box dust.

Preferably, a threaded pipe is fixedly arranged at one end of the second gas pipe, a threaded sleeve is sleeved outside the threaded pipe, and an external pipe is connected with the other end of the threaded sleeve in a threaded manner; the gas transmission elbow can be separated from the external pipe by rotating the threaded sleeve, the external pipe is an external pipe, and one end of the external pipe is fixedly provided with the threaded pipe as well and is in threaded connection with the other end of the threaded sleeve, so that a user can maintain and replace the gas transmission elbow in later period.

Preferably, a sealing strip is paved on one side of the sliding plate, and the shape of the sealing strip is consistent with that of one side of the sliding plate; the sealing performance between the sliding plate and the second dust collecting box can be improved through the sealing strip.

Preferably, anti-skid patterns are respectively laid on the outer parts of the rotating pipe and the threaded pipe; the friction between the rotating tube and the outside of the threaded tube is conveniently improved through the anti-skid threads, so that a user can conveniently screw the rotating tube and the threaded tube through the dismounting tool.

The utility model has the beneficial effects that:

the utility model provides a boiler flue gas collecting and anti-diffusion structure, which can drive a first rotating rod and a second rotating rod to rotate by rotating a rotating pipe, so as to drive a first cleaning scraper and a second cleaning scraper to scrape dust accumulated on the inner walls of two ends of a gas transmission bent pipe, thereby achieving the effect of dredging, reducing the phenomenon that part of smoke dust impurities in flue gas adhere to the inner walls of the gas transmission bent pipe when the flue gas is transmitted for a long time, causing the blockage of the gas transmission bent pipe, and further affecting the transmission speed of subsequent flue gas; the second dust collection box is used for collecting dust and impurities scraped off by the first cleaning scraping plate, and meanwhile, the first dust collection box is used for collecting dust and impurities scraped off by the second cleaning scraping plate, so that cleaned dust and impurities are reduced to be accumulated inside the gas transmission bent pipe, the conveying speed of the gas transmission bent pipe for conveying smoke is affected, and the cleaning and dredging effect is further improved.

The utility model provides a boiler flue gas collecting and anti-diffusion structure, dust and impurities can fall out from the interior of a second dust collecting box by pulling a sliding plate, so that the aim of conveniently taking out dust in the dust collecting box is fulfilled; the gas transmission elbow can be separated from the external pipe by rotating the threaded sleeve, the external pipe is an external pipeline, and one end of the external pipe is fixedly provided with the threaded pipe as well and is in threaded connection with the other end of the threaded sleeve, so that a user can maintain and replace the gas transmission elbow in later period; the sealing performance between the sliding plate and the second dust collecting box can be improved through the sealing strip; the friction between the rotating tube and the outside of the threaded tube is conveniently improved through the anti-skid threads, so that a user can conveniently screw the rotating tube and the threaded tube through the dismounting tool.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the inside of the gas delivery elbow of the present utility model in cross-section;

FIG. 3 is a perspective view of a rotating tube in accordance with the present utility model;

FIG. 4 is a perspective view of a first dust collection box according to the present utility model;

FIG. 5 is a perspective view of a pull handle of the present utility model;

legend description:

1. a gas transmission elbow; 2. a rotary tube; 3. a first delivery tube; 4. a fixing plate; 5. a first rotating lever; 6. a first cleaning blade; 7. a first bevel gear; 8. a second bevel gear; 9. a second rotating rod; 10. a swivel; 11. a second cleaning blade; 12. a first dust collection box; 13. a second gas pipe; 14. a conical guide plate; 15. a second dust collection box; 16. a spring; 17. a slide plate; 18. a threaded tube; 19. a thread sleeve; 20. an outer connecting pipe; 21. a sealing strip; 22. anti-skid lines; 23. and (5) a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1-4, the present utility model provides a boiler flue gas collecting and diffusing preventing structure, including a gas transmission elbow 1, wherein a rotating pipe 2 is rotatably connected inside one end of the gas transmission elbow 1, a first conveying pipe 3 is rotatably connected inside the other end of the rotating pipe 2, a first rotating rod 5 is fixedly arranged inside the rotating pipe 2 through a fixing plate 4, a first cleaning scraper 6 is fixedly arranged outside the first rotating rod 5, one side of the first cleaning scraper 6 is closely attached to the gas transmission elbow 1 and the inner wall of the first conveying pipe 3, a first bevel gear 7 is fixedly arranged at one end of the first rotating rod 5, a second bevel gear 8 is meshed with one side of the first bevel gear 7, a second rotating rod 9 is fixedly arranged at one end of the second bevel gear 8, a rotating ring 10 is rotatably arranged inside one end of the gas transmission elbow 1, the rotating ring 10 is fixedly connected with the second rotating rod 9, a second cleaning scraper 11 is fixedly arranged outside the second rotating rod 9, and one side of the second cleaning scraper 11 is closely attached to the inner wall of the gas transmission elbow 1; during operation, when needing to dredge gas-supply return bend 1, rotate the swinging arms 2, the inside first swinging arms 5 of driving through fixed plate 4 of swinging arms 2 rotates in step, make first cleaning scraper blade 6 scrape off the dust that gas-supply return bend 1 one end and first conveyer pipe 3 inner wall were accumulated, simultaneously first swinging arms 5 drive second bevel gear 8 meshing rotation through first bevel gear 7, and then drive second swinging arms 9 rotation, second swinging arms 9 drive second cleaning scraper 11 scrape off the dust that gas-supply return bend 1 other end inner wall was accumulated, simultaneously second swinging arms 9 drive swivel 10 at gas-supply return bend 1 inside rotation, be used for supporting second swinging arms 9, above-mentioned setting can drive first swinging arms 5 and second swinging arms 9 through rotating swinging arms 2, and then drive first cleaning scraper blade 6 and second cleaning scraper 11 and scrape off the dust that gas-supply return bend 1 both ends inner wall was accumulated, when reaching the mediation effect, in order to reduce the long-time transport flue gas, some smoke and dust impurity in the flue gas can get to the return bend 1 inner wall of attaching, cause can influence the transportation speed of follow-up gas-up return bend.

Further, referring to fig. 1-4, a first ash collecting box 12 is fixedly arranged at one end of the gas transmission elbow 1, a second gas transmission pipe 13 is fixedly arranged in the first ash collecting box 12, a conical guide plate 14 is fixedly arranged at one end of the second gas transmission pipe 13, and a second ash collecting box 15 is symmetrically and fixedly arranged at the bottom side of the other end of the gas transmission elbow 1; during operation, dust impurities and the like scraped off by the first cleaning scraping plate 6 can fall into one end of the gas transmission bent pipe 1, part of impurities fall into the second dust collection box 15, meanwhile, the dust impurities scraped off by the second cleaning scraping plate 11 fall onto the conical guide plate 14 under the action of gravity, fall into the first dust collection box 12 along the conical guide plate 14, and the cleaned dust impurities are reduced to be accumulated in the gas transmission bent pipe 1, so that the conveying speed of the gas transmission bent pipe 1 for conveying smoke is influenced, and the cleaning effect is further improved.

Further, referring to fig. 3 and 4, a plurality of groups of springs 16 are fixed inside the bottom end of the second dust collecting box 15 at equal intervals, a sliding plate 17 is slidably disposed inside the bottom end of the second dust collecting box 15, and the other ends of the springs 16 are fixedly connected with the sliding plate 17; during operation, dust and impurities can fall out from the interior of the second dust collecting box 15 through the sliding plate 17, the sliding plate 17 is loosened, the sliding plate 17 is reset under the action of the spring 16, and meanwhile, the bottom end of the first dust collecting box 12 can be arranged to be in a detachable structure, for example, the bottom end is in threaded connection with a threaded ring, and when the interior of the first dust collecting box 12 needs to be cleaned, the threaded ring is rotated, so that the dust collecting box is separated from the bottom end of the first dust collecting box 12, and the purpose of conveniently taking out dust in the dust collecting box is achieved.

Further, referring to fig. 1-4, a threaded pipe 18 is fixedly disposed at one end of the second air pipe 13, a threaded sleeve 19 is sleeved on the external thread of the threaded pipe 18, and an external pipe 20 is screwed at the other end of the threaded sleeve 19; during operation, the gas transmission bent pipe 1 can be separated from the external pipe 20 by rotating the threaded sleeve 19, the external pipe 20 is an external pipeline, one end of the external pipe is fixedly provided with the threaded pipe 18, and the threaded pipe is used for being in threaded connection with the other end of the threaded sleeve 19, so that a user can maintain and replace the gas transmission bent pipe 1 in later period, the length of the threaded pipe 18 positioned in the second gas transmission pipe 13 is twice that of the threaded sleeve 19, and when the gas transmission bent pipe needs to be disassembled, the threaded sleeve 19 can be completely rotated outside the threaded pipe 18 positioned in the second gas transmission pipe 13.

Further, referring to fig. 2 to 4, a sealing strip 21 is laid on one side of the sliding plate 17, and the shape of the sealing strip 21 is consistent with that of one side of the sliding plate 17; in operation, the sealing between the slide 17 and the second dust collection box 15 can be increased by the sealing strip 21.

Further, referring to fig. 1, anti-slip threads 22 are respectively laid on the outer portions of the rotating tube 2 and the threaded tube 18; in operation, the friction between the rotary tube 2 and the outside of the threaded tube 18 is increased by the anti-slip threads 22, so that a user can screw the rotary tube 2 and the threaded tube 18 by a disassembling tool.

Further, referring to fig. 5, a handle 23 is fixed at one end of one side of the sliding plate 17; in operation, the handle 23 facilitates the user to pull the slide 17.

Working principle: firstly, when the gas transmission elbow pipe 1 needs to be dredged, the rotary pipe 2 is rotated, the first rotary rod 5 is driven to synchronously rotate by the fixed plate 4 in the rotary pipe 2, so that dust accumulated on one end of the gas transmission elbow pipe 1 and the inner wall of the first conveying pipe 3 is scraped by the first cleaning scraping plate 6, meanwhile, the first rotary rod 5 drives the second bevel gear 8 to rotate in a meshed manner by the first bevel gear 7, and then drives the second rotary rod 9 to rotate, the second rotary rod 9 drives the second cleaning scraping plate 11 to scrape dust accumulated on the inner wall of the other end of the gas transmission elbow pipe 1, meanwhile, the second rotary rod 9 drives the rotary ring 10 to rotate in the gas transmission elbow pipe 1 and is used for supporting the second rotary rod 9, the first rotary rod 5 and the second rotary rod 9 can be driven to rotate by the rotary pipe 2, and then the first cleaning scraping plate 6 and the second cleaning scraping plate 11 are driven to scrape dust accumulated on the inner walls of the two ends of the gas transmission elbow pipe 1, so that the effect of dredging is achieved, and when the smoke is conveyed for a long time, part of smoke dust in the smoke adheres to the inner wall of the gas transmission elbow pipe 1, and the gas transmission elbow pipe 1 can be blocked, and the conveying speed of the subsequent smoke is affected; dust and impurities scraped off by the first cleaning scraper 6 fall into one end of the gas transmission bent pipe 1, part of the impurities fall into the second dust collection box 15, meanwhile, the dust and impurities scraped off by the second cleaning scraper 11 fall onto the conical guide plate 14 under the action of gravity and fall into the first dust collection box 12 along the conical guide plate 14, and the cleaned dust and impurities are accumulated in the gas transmission bent pipe 1, so that the conveying speed of the gas transmission bent pipe 1 for conveying smoke is influenced, and the cleaning and dredging effects are further improved; through the sliding plate 17, dust and impurities can fall out from the inner part of the second dust collecting box 15, the sliding plate 17 is loosened, the sliding plate 17 is reset under the action of the spring 16, meanwhile, the bottom end of the first dust collecting box 12 can be in a detachable structure, for example, the bottom end is in threaded connection with a threaded ring, when the interior of the first dust collecting box 12 needs to be cleaned, the threaded ring is rotated, so that the dust collecting box is separated from the bottom end of the first dust collecting box 12, and the purpose of conveniently taking out dust in the dust collecting box is achieved; the gas transmission bent pipe 1 can be separated from the external pipe 20 by rotating the threaded sleeve 19, the external pipe 20 is an external pipeline, one end of the external pipe is fixedly provided with the threaded pipe 18 as well and is used for being in threaded connection with the other end of the threaded sleeve 19, so that a user can maintain and replace the gas transmission bent pipe 1 in the later period, the length of the threaded pipe 18 positioned in the second gas transmission pipe 13 is twice that of the threaded sleeve 19, and when the gas transmission bent pipe is required to be disassembled, the threaded sleeve 19 can be completely rotated outside the threaded pipe 18 positioned in the second gas transmission pipe 13; the sealing property between the sliding plate 17 and the second dust collecting box 15 can be increased through the sealing strip 21; the friction force between the rotary tube 2 and the outside of the threaded tube 18 is improved through the anti-skid threads 22, so that a user can screw the rotary tube 2 and the threaded tube 18 through a disassembling tool later; the user can conveniently pull the slide 17 by the handle 23.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a diffusion structure is prevented in boiler flue gas collection which characterized in that: including gas-supply return bend (1), the inside rotation of gas-supply return bend (1) one end is connected with conveyer pipe (2), the conveyer pipe (3) have been connected with in the rotation of conveyer pipe (2) other end, first bull stick (5) have been set firmly through fixed plate (4) inside conveyer pipe (2), first bull stick (5) outside has set firmly first cleaning scraper blade (6), just first cleaning scraper blade (6) one side with gas-supply return bend (1) first conveyer pipe (3) inner wall is closely laminated, first bull stick (5) one end has set firmly first bevel gear (7), just first bevel gear (7) one side meshing has second bevel gear (8), second bevel gear (8) one end has set firmly second bull stick (9), the inside rotation of gas-supply return bend (1) one end is equipped with swivel (10), just swivel (10) with second bull stick (9) fixed connection, second bull stick (9) outside has set firmly second cleaning scraper blade (11), just second bevel gear (11) one side is closely laminated with gas-supply return bend (1).

2. A boiler flue gas collection and diffusion prevention structure according to claim 1, wherein: the gas-transmission return bend (1) one end has set firmly first album of grey box (12), first album of grey box (12) inside has set firmly second gas-transmission pipe (13), second gas-transmission pipe (13) one end has set firmly toper deflector (14), gas-transmission return bend (1) other end bottom side symmetry has set firmly second album of grey box (15).

3. A boiler flue gas collection and diffusion prevention structure according to claim 2, wherein: the second dust collection box (15) is characterized in that a plurality of groups of springs (16) are fixedly arranged in the bottom end of the second dust collection box (15) at equal intervals, a sliding plate (17) is slidably arranged in the bottom end of the second dust collection box (15), and the other ends of the springs (16) are fixedly connected with the sliding plate (17).

4. A boiler flue gas collection diffusion preventing structure according to claim 3, wherein: one end of the second gas pipe (13) is fixedly provided with a threaded pipe (18), a threaded sleeve (19) is sleeved outside the threaded pipe (18), and the other end of the threaded sleeve (19) is in threaded connection with an external pipe (20).

5. The boiler flue gas collection and diffusion prevention structure according to claim 4, wherein: a sealing strip (21) is paved on one side of the sliding plate (17), and the shape of the sealing strip (21) is consistent with that of one side of the sliding plate (17).

6. The boiler flue gas collection and diffusion prevention structure according to claim 5, wherein: anti-skid patterns (22) are respectively laid on the outer parts of the rotating pipe (2) and the threaded pipe (18).