CN219399359U

CN219399359U - Fly ash collecting device

Info

Publication number: CN219399359U
Application number: CN202320335161.0U
Authority: CN
Inventors: 岳元佳; 王翔
Original assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Current assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-25
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of environmental treatment, and particularly discloses a fly ash collecting device, which comprises a box body, wherein an air outlet pipe is fixedly connected to the upper part of the left side of the box body, an air inlet pipe is fixedly connected to the middle part of the right side of the box body, a discharging bin is fixedly connected to the bottom of the box body, a fixed plate is fixedly connected to the inner part of the box body close to the upper end, dust bags are movably connected to the lower end of the fixed plate at equal intervals, the upper end of each dust bag penetrates through and extends to the upper part of the fixed plate to form a limiting part, a baffle is fixedly connected to the right side of the inner part of the box body, an air storage cylinder is fixedly connected to the upper part of the right side of the box body, and a flushing pipe is fixedly connected to the left side of the air storage cylinder; the inner wall bottom fixedly connected with grid board of spacing portion, the lower extreme fixedly connected with spring of grid board can improve the cleaning efficiency to the dust bag for the fly ash that the dust bag surface adheres to is got rid of more thoroughly, has ensured fly ash's collection efficiency.

Description

Fly ash collecting device

Technical Field

The utility model relates to the technical field of environmental treatment, in particular to a fly ash collecting device.

Background

Fly ash is fine ash collected from flue gas after coal combustion, the fly ash is main solid waste discharged from coal-fired power plants, and a large amount of fly ash is not treated, so that dust emission can be generated and the atmosphere is polluted; drainage into water causes river silting, and toxic chemicals in the water can also cause harm to human bodies and organisms. However, fly ash can be recycled, such as an admixture for concrete, and the like, so that the fly ash needs to be collected for resource utilization.

When collecting, the fly ash needs to filter the flue gas, the fly ash can adhere to the dust bag surface in the filtration process, along with the fly ash adhesion volume increases, the dust bag can take place to block up, thereby the air resistance when leading to filtering is bigger and bigger thereby influence the filtration of flue gas, consequently, need regularly clear up the dust bag, the inside jet-propelled of dust bag when traditional clearance mode, thereby gas is blown down the fly ash that the outside is attached to by the inside outflow of dust bag to outside, but the gas washing effect is not obvious, some more intractable fly ash of adhesion are difficult to dash down, lead to the dust bag to block up once more in the short term, need frequently wash, influence the collection efficiency of fly ash.

For this purpose, a fly ash collecting device is proposed.

Disclosure of Invention

The utility model aims to provide a fly ash collecting device which can improve the cleaning efficiency of a dust bag, so that the fly ash attached to the surface of the dust bag is removed more thoroughly, the collecting efficiency of the fly ash is ensured, and the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fly ash collecting device comprises a box body, wherein an air outlet pipe is fixedly connected to the upper part of the left side of the box body, an air inlet pipe is fixedly connected to the middle part of the right side of the box body, a discharge bin is fixedly connected to the bottom of the box body, a fixing plate is fixedly connected to the position, close to the upper end, of the box body, a dust removing bag is movably connected to the lower end of the fixing plate at equal intervals, the upper end of the dust removing bag penetrates through and extends to the upper part of the fixing plate to form a limiting part, a baffle is fixedly connected to the right side of the inside of the box body, an air storage cylinder is fixedly connected to the upper part of the right side of the box body, and a flushing pipe is fixedly connected to the left side of the air storage cylinder;

the inner wall bottom fixedly connected with grid board of spacing portion, the lower extreme fixedly connected with spring of grid board, and the lower extreme fixedly connected with inner scraping ring of spring.

Preferably, the magnet bulges are fixedly connected to the outer sides of the inner scraping rings at equal intervals, and the fan blades are fixedly connected to the middle parts of the inner scraping rings.

Preferably, the outer part of the dust removal bag is movably connected with an outer scraping ring corresponding to the inner scraping ring, and the outer scraping ring is magnetically connected with the magnet protrusions.

Preferably, the magnetic attraction force between the magnet bulge and the outer scraping ring is larger than the resistance force exerted by the magnet bulge and the outer scraping ring when the magnet bulge and the outer scraping ring move up and down.

Preferably, the spring force is larger than the resistance force exerted by the magnet bulge and the outer scraping ring when moving up and down.

Preferably, the left side of the flushing pipe penetrates through and extends to the inside of the box body to be fixedly connected with the left inner wall of the box body, the number of the flushing pipes is the same as the number of lines of the dust removing bags, and a flushing port is formed in the lower end of the flushing pipe corresponding to the position of the dust removing bags.

Preferably, the front end and the rear end of the lower parts of the two sides of the box body are fixedly connected with supporting legs.

Preferably, the air outlet pipe is externally connected with a fan, and the air inlet pipe is externally connected with a flue gas pipeline.

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

1. the inner scraping ring is pushed to move from top to bottom in the dust removal bag under the impact of the gas, and the cleaning efficiency of the dust removal bag is improved by utilizing the scraping action of the inner scraping ring and the gas flushing;

2. when the inner scraping ring is impacted by gas, the fan blades in the middle of the inner scraping ring rotate under the impact of the gas, so that the inner scraping ring is driven to move downwards and simultaneously rotate, the magnet protrusions on the surface of the inner scraping ring are matched to play a role in stirring the dust removing bag, the cleaning efficiency of the dust removing bag is further improved, the fact that the impact force of the gas discharged by the flushing pipe is larger than the resistance born by the downward movement of the inner scraping ring is required, and meanwhile, the inner scraping ring drives the outer scraping ring to synchronously do downward rotation along the outer wall of the dust removing bag through magnetic attraction when doing the downward rotation, so that the outer scraping ring is utilized to clean the outer wall of the dust removing bag, and the cleaning efficiency of the dust removing bag is improved again.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a schematic view of a semi-sectional structure of the present utility model;

FIG. 3 is a schematic view of a semi-sectional structure of a dust bag of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

Reference numerals illustrate:

1. a case; 2. an air outlet pipe; 3. an air inlet pipe; 4. a support leg; 5. discharging bin; 6. an air cylinder; 7. a flushing pipe; 8. a fixing plate; 9. a dust removal bag; 10. a limit part; 11. a baffle; 12. a grating plate; 13. an inner scraper ring; 14. a spring; 15. a magnet protrusion; 16. an outer scraping ring.

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.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

the fly ash collecting device comprises a box body 1, wherein an air outlet pipe 2 is fixedly connected to the upper left side of the box body 1, an air inlet pipe 3 is fixedly connected to the middle right side of the box body 1, a discharging bin 5 is fixedly connected to the bottom of the box body 1, a fixing plate 8 is fixedly connected to the position, close to the upper end, of the box body 1, a dust bag 9 is movably connected to the lower end of the fixing plate 8 at equal intervals, the upper end of the dust bag 9 penetrates through and extends to the upper side of the fixing plate 8 to form a limiting part 10, a baffle 11 is fixedly connected to the right side of the inside of the box body 1, an air storage cylinder 6 is fixedly connected to the upper right side of the box body 1, and a flushing pipe 7 is fixedly connected to the left side of the air storage cylinder 6;

the bottom of the inner wall of the limiting part 10 is fixedly connected with a grating plate 12, the lower end of the grating plate 12 is fixedly connected with a spring 14, and the lower end of the spring 14 is fixedly connected with an inner scraping ring 13;

the left side of the flushing pipe 7 penetrates through and extends to the inside of the box body 1 to be fixedly connected with the left inner wall of the box body 1, the number of the flushing pipes 7 is the same as the number of rows of the dust removing bags 9, and flushing ports are formed at the lower ends of the flushing pipes 7 corresponding to the positions of the dust removing bags 9; the front and rear ends of the lower parts of the two sides of the box body 1 are fixedly connected with supporting legs 4; the air outlet pipe 2 is externally connected with a fan, and the air inlet pipe 3 is externally connected with a flue gas pipeline.

Through adopting the technical scheme, the air inlet pipe 3 is connected with the flue gas pipeline of the combustion equipment, flue gas in the flue gas pipeline enters the box body 1 through the air inlet pipe 3, the flue gas entering the box body 1 is impacted on the baffle plate 11 and then flows to the bottom of the dust removing bag 9 from the lower part of the baffle plate 11, the dust removing bag 9 is prevented from being damaged due to impact of dust with larger particles in the flue gas on the dust removing bag 9, the flue gas passes through the dust removing bag 9 to reach the upper part of the fixed plate 8 after contacting with the dust removing bag 9, then the outside of the box body 1 is pumped out by the air outlet pipe 2 through the outside fan, and the fly ash is filtered by the dust removing bag 9 and falls into the discharge bin 5 for collection;

when the fly ash adheres to the surface of the dust removing bag 9 to affect the filtration, the gas in the gas storage cylinder 6 is discharged through the flushing port at the lower end of the flushing pipe 7, and the discharged gas enters the inside of the dust removing bag 9 to back flush the dust removing bag 9, so that the fly ash on the surface of the dust removing bag 9 is flushed down, and the flushing mechanism consisting of the gas storage cylinder 6 and the flushing pipe 7 is the prior art, so that the detailed operation principle is not repeated herein, and meanwhile, the blown gas can pass through the grid plate 12 to impact on the inner scraping ring 13, so that the inner scraping ring 13 is pushed to move from top to bottom in the inside of the dust removing bag 9 under the impact of the gas, and the cleaning efficiency of the dust removing bag 9 is improved by utilizing the scraping cooperation gas flushing of the inner scraping ring 13.

Specifically, as shown in fig. 4, the outer sides of the inner scraping rings 13 are fixedly connected with magnet protrusions 15 at equal intervals, and the middle part of the inner scraping rings 13 is fixedly connected with fan blades; an outer scraping ring 16 is movably connected to the outside of the dust removal bag 9 corresponding to the position of the inner scraping ring 13, and the outer scraping ring 16 is magnetically connected with the magnet bulge 15; the magnetic attraction between the magnet bulge 15 and the outer scraping ring 16 is larger than the resistance force born by the magnet bulge 15 and the outer scraping ring 16 when moving up and down, so that the magnet bulge 15 and the outer scraping ring 16 are prevented from being separated when moving up and down; the elastic force of the spring 14 is larger than the resistance force exerted by the magnet bulge 15 and the outer scraping ring 16 when moving up and down, so that the spring 14 can pull the inner scraping ring 13 and the outer scraping ring 16 back to the original positions after flushing is finished.

Through adopting above-mentioned technical scheme, after interior scraping ring 13 receives the gas impact, the flabellum at its middle part takes place to rotate under the gas impact, thereby it is rotatory to drive interior scraping ring 13 while down moving, and the magnet protruding 15 on cooperation interior scraping ring 13 surface plays the effect of stirring to dust bag 9, further improved the cleaning efficiency to dust bag 9, it is to be noted that, the gas impact force of flushing pipe 7 exhaust is greater than the resistance that receives when interior scraping ring 13 down moves, interior scraping ring 13 can drive outer scraping ring 16 and do down rotary motion along the outer wall synchronization of dust bag 9 through magnetic attraction when doing down rotary motion simultaneously, thereby utilize outer scraping ring 16 to scrape the outer wall of dust bag 9, the cleaning efficiency to dust bag 9 has again been improved, after the washing, can pull back interior scraping ring 13 and outer scraping ring 16 through the reset of spring 14.

Working principle: the flue gas in the flue gas pipeline enters the inside of the box body 1 through the air inlet pipe 3, the flue gas entering the box body 1 is impacted on the baffle 11 and then flows to the bottom of the dust removing bag 9 from the lower part of the baffle 11, the dust removing bag 9 is prevented from being damaged due to the fact that larger dust in the flue gas impacts the dust removing bag 9, the flue gas passes through the dust removing bag 9 to reach the upper part of the fixed plate 8 after contacting the dust removing bag 9, then the outside of the box body 1 is pumped out by an external fan through the air outlet pipe 2, and the fly ash is filtered by the dust removing bag 9 and falls into the inside of the discharge bin 5 to be collected.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a fly ash collection device, includes box (1), its characterized in that: the novel dust collector is characterized in that an air outlet pipe (2) is fixedly connected to the upper left side of the box body (1), an air inlet pipe (3) is fixedly connected to the middle right side of the box body (1), a discharge bin (5) is fixedly connected to the bottom of the box body (1), a fixing plate (8) is fixedly connected to the position, close to the upper end, of the box body (1), a dust collecting bag (9) is movably connected to the lower end, equidistant, of the fixing plate (8), the upper end of the dust collecting bag (9) penetrates through and extends to the upper side of the fixing plate (8) to form a limiting part (10), a baffle (11) is fixedly connected to the right side of the inside of the box body (1), an air storage cylinder (6) is fixedly connected to the upper right side of the box body (1), and a flushing pipe (7) is fixedly connected to the left side of the air storage cylinder (6);

the inner wall bottom of spacing portion (10) fixedly connected with grid board (12), the lower extreme fixedly connected with spring (14) of grid board (12), and the lower extreme fixedly connected with of spring (14) is scraped ring (13) in.

2. A fly ash collection device according to claim 1, wherein: magnet bulges (15) are fixedly connected to the outer side of the inner scraping ring (13) at equal intervals, and fan blades are fixedly connected to the middle of the inner scraping ring (13).

3. A fly ash collection device according to claim 2, wherein: the dust removal bag (9) is characterized in that an outer scraping ring (16) is movably connected to the outer part of the dust removal bag (9) corresponding to the inner scraping ring (13), and the outer scraping ring (16) is magnetically connected with the magnet protrusions (15).

4. A fly ash collection device according to claim 3, wherein: the magnetic attraction force between the magnet bulge (15) and the outer scraping ring (16) is larger than the resistance force exerted by the magnet bulge (15) and the outer scraping ring (16) when moving up and down.

5. The fly ash collection device of claim 4, wherein: the elastic force of the spring (14) is larger than the resistance force exerted by the magnet bulge (15) and the outer scraping ring (16) during up-and-down movement.

6. A fly ash collection device according to claim 1, wherein: the left side of the flushing pipe (7) penetrates through and extends to the inside of the box body (1) to be fixedly connected with the left inner wall of the box body (1), the number of the flushing pipes (7) is the same as the number of rows of the dust removing bags (9), and a flushing port is formed in the lower end of the flushing pipe (7) corresponding to the position of the dust removing bags (9).

7. A fly ash collection device according to claim 1, wherein: the front end and the rear end of the lower parts of the two sides of the box body (1) are fixedly connected with supporting legs (4).

8. A fly ash collection device according to claim 1, wherein: the air outlet pipe (2) is externally connected with a fan, and the air inlet pipe (3) is externally connected with a flue gas pipeline.