CN219233390U

CN219233390U - Flue inlet cleaning structure of gas purifying device

Info

Publication number: CN219233390U
Application number: CN202320270812.2U
Authority: CN
Inventors: 程骏锋; 毛伟; 蓝坤
Original assignee: Zhejiang Zhongjuhairui Technology Co ltd
Current assignee: Zhejiang Zhongjuhairui Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-23
Anticipated expiration: 2033-02-14

Abstract

The utility model belongs to the technical field of chemical industry, and particularly relates to a flue inlet cleaning structure of a gas purifying device. The flue inlet pipe is communicated with the tower body of the gas purification device, and a baffle which extends towards the inner cavity of the tower body and inclines downwards is arranged at the joint of the flue inlet pipe and the tower body of the gas purification device; the rotary feeding cleaning device is arranged in the flue inlet pipe and can move along the length direction of the flue inlet pipe and rotationally clean the inner wall of the flue inlet pipe. According to the utility model, the gypsum slurry can be prevented from flowing downwards to the joint of the flue inlet pipe and the tower body to solidify and block the connecting port through the arrangement of the baffle, and the rotary feeding cleaning device is arranged to clean the flue inlet pipe, so that excessive dust is prevented from being accumulated in the flue inlet pipe, and industrial waste gas circulation can be ensured.

Description

Flue inlet cleaning structure of gas purifying device

Technical Field

The utility model belongs to the technical field of chemical industry, and particularly relates to a flue inlet cleaning structure of a gas purifying device.

Background

The desulfurization tower is tower-shaped equipment for desulfurizing industrial waste gas, when the circulating pump in the desulfurization tower sprays slurry, part of slurry sprayed by a nozzle splashes onto the tower wall and slides downwards along the tower wall under the action of gravity, when the slurry slides to the inlet of a tower flue, gypsum slowly begins to be condensed into paste around the inlet of the tower flue, and then is slowly hardened by baking high-temperature flue gas sent by a boiler, and as the running time of the system is prolonged, accumulated gypsum is more and becomes harder gypsum blocks; when the system operates for more than 1 month, accumulated gypsum blocks the flue by more than 85%, so that the output of a boiler induced draft fan is insufficient, the vibration of an outlet flue is large, smoke leakage of the flue is serious, environmental pollution is caused, the boiler operates in a fault mode, the boiler is forced to operate under a reduced load (the load can be brought to 220T/h when the boiler operates normally, and the load is reduced to 140T/h when the inlet flue of the tower is seriously blocked), and the normal operation of a boiler unit and the service efficiency of the boiler are seriously influenced. As mentioned in a self-cleaning structure of a flue inlet of a desulfurizing tower with the patent number of CN211586014U, gypsum is manually cleaned in the flue inlet of the tower when the desulfurizing tower is stopped and overhauled each time, the gypsum belongs to a dry-wet interface, the accumulated gypsum is baked by high-temperature flue gas for a long time to form hard blocks, steel bars and hammers are used for breaking during cleaning, and the broken gypsum is packaged by a packaging bag and conveyed to the ground from the flue with the height of 8 meters, so that the workload of staff is increased. The existing desulfurizing tower structure can not automatically remove gypsum slurry attached to the inner wall of the desulfurizing tower, so that the gypsum slurry flows downwards to the joint of the flue and the desulfurizing tower and solidifies to block the connecting port, thereby greatly reducing the working efficiency of the desulfurizing tower and increasing the labor intensity of manpower. And when the desulfurizing tower works for a long time, more dust can be accumulated at the flue opening of the desulfurizing tower, and the flue opening can be blocked by more dust, so that the industrial waste gas is inconvenient to circulate.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a flue inlet cleaning structure of a gas purifying device, which achieves the effects of preventing excessive dust from being accumulated in a flue inlet pipe and ensuring the circulation of industrial waste gas.

In view of the above, the present utility model provides a flue inlet cleaning structure of a gas purifying device, comprising:

the flue inlet pipe is communicated with the tower body of the gas purification device, and a baffle which extends towards the inner cavity of the tower body and inclines downwards is arranged at the joint of the flue inlet pipe and the tower body of the gas purification device;

and the rotary feeding cleaning device is arranged in the flue inlet pipe, can move along the length direction of the flue inlet pipe and rotationally cleans the inner wall of the flue inlet pipe.

In this technical scheme, can prevent through the setting of baffle that gypsum thick liquid from flowing down to the junction of flue inlet pipe and tower body and make connector solidification jam to set up rotatory feeding cleaning device and can clean the flue inlet pipe, prevent that the flue inlet pipe from building up more dust, can guarantee industrial waste gas circulation.

Further, the rotary feed cleaning device includes:

the movable shaft is coaxial with the flue inlet pipe and sleeved on the shaft bracket;

the middle part of the connecting rod is connected with the movable shaft, the connecting rod is perpendicular to the movable shaft, a brush is arranged at the connecting section of the connecting rod, and the brush is tightly attached to the inner wall of the flue inlet pipe;

and a rotary feed driving structure for rotating the moving shaft circumferentially and moving in the axial direction.

In this technical scheme, make through rotatory feeding drive structure make remove axle circumference rotation can make the connecting rod drive the brush round remove axle axis rotation, make the brush can remove and brush the dust debris on the inner wall in the import pipe inner wall circumferencial direction, rotatory feeding drive structure can make remove axle and connecting rod along removing axle axis direction again simultaneously, make the brush can brush the dust debris on the inner wall in import pipe inner wall length direction, make the great area homoenergetic of import pipe inner wall clean through the cleanness of two directions.

Further, the rotary feed driving structure includes:

the driving motor is fixedly arranged outside the flue inlet pipe, and an output shaft of the driving motor penetrates through the wall of the flue inlet pipe and enters the interior of the flue inlet pipe;

the first bevel gear is sleeved on the output shaft of the driving motor and is fixedly connected with the output shaft in the circumferential direction;

the second bevel gear is arranged on the support frame, can rotate in the circumferential direction and is axially fixed, and is sleeved on the periphery of the movable shaft and is fixedly connected with the movable shaft in the circumferential direction;

the movable shaft is provided with external threads, and the shaft bracket is provided with internal threads matched with the external threads.

In the technical scheme, the output shaft drives the first bevel gear to rotate by starting the motor so as to enable the second bevel gear to rotate, and then the second bevel gear drives the movable shaft to rotate so that the movable shaft moves along the axial direction under the action of threaded connection.

Further, the second bevel gear is connected with the movable shaft through a long key.

Further, a filter screen parallel to the inlet is arranged in the flue inlet pipe.

In this technical scheme, the filter screen can filter most dust in the flue gas.

Further, the filter screen is arranged at one end of the flue inlet pipe far away from the baffle plate, and the brush is positioned between the filter screen and the baffle plate.

Further, a cutting blade is arranged on one side, far away from the baffle, of the filter screen, and the cutting blade is fixedly connected to the movable shaft.

In the technical scheme, the cutting blade connected with the movable shaft is arranged, so that the movable shaft can rotate and axially move to drive the cutting blade to rotate and move, and the cutting blade can cut up sediment in front of the filter screen, and the sediment is prevented from being blocked on the filter screen.

Further, the movable shaft is hollow, the outer end of the movable shaft is connected with a water pipe, and a plurality of water outlets are formed in the movable shaft, close to the cutting blade.

In the technical scheme, water can be sprayed out from the water outlet hole by leading water into the movable shaft through the water pipe, and the water outlet hole gradually sprays water to the filter screen along with the movement of the movable shaft and the cutting blade, so that the filter screen is convenient to clean.

Furthermore, the connecting rod is hollow and communicated with the inner cavity of the movable shaft, and a water outlet pipe is arranged at the position, close to the hairbrush, of the connecting rod.

In the technical scheme, through the moving shaft communicated with the inner cavity of the connecting rod, water of the water pipe can flow to the connecting rod from the moving shaft and be sprayed to the inner wall of the flue inlet pipe from the water outlet pipe of the connecting rod, and dust deposited on the inner wall of the flue inlet pipe can be removed in an auxiliary mode.

The beneficial effects of the utility model are as follows:

1. the setting through the baffle can prevent that gypsum thick liquid from flowing down to the junction of flue inlet pipe and tower body and make connector solidification jam to set up rotatory feeding cleaning device and can clean the flue inlet pipe, prevent that the flue inlet pipe from building up more dust, can guarantee industrial waste gas circulation.

2. The rotary feeding driving structure enables the movable shaft to circumferentially rotate, so that the connecting rod drives the brush to rotate around the axis of the movable shaft, the brush can move in the circumferential direction of the inner wall of the inlet pipe to brush dust and impurities on the inner wall, and meanwhile, the rotary feeding driving structure enables the movable shaft and the connecting rod to move along the axis direction of the movable shaft, so that the brush can brush dust and impurities on the inner wall in the length direction of the inner wall of the inlet pipe, and a large area of the inner wall of the inlet pipe can be cleaned through cleaning in two directions.

3. Through setting up the cutting blade that is connected with the movable shaft, can make movable shaft rotate and axial displacement make the cutting blade of drive rotate and remove and make the cutting blade cut up the deposit in front of the filter screen, prevent to block up on the filter screen.

4. Water can be sprayed out from the water outlet hole by leading water into the movable shaft through the water pipe, and the water outlet hole gradually sprays water to the filter screen along with the movement of the movable shaft and the cutting blade, so that the filter screen is convenient to clean.

5. Through the movable shaft communicated with the inner cavity of the connecting rod, the water of the water pipe can flow to the connecting rod from the movable shaft and be sprayed to the inner wall of the flue inlet pipe from the water outlet pipe of the connecting rod, so that dust deposited on the inner wall of the flue inlet pipe can be removed in an auxiliary mode.

Drawings

FIG. 1 is a perspective view of a gas cleaning device;

FIG. 2 is a cross-sectional view of a gas cleaning device;

FIG. 3 is a schematic view of a flue inlet;

the label in the figure is:

1. a flue inlet pipe; 2. a rotary feed cleaning device; 3. a tower body; 4. a baffle; 5. a movable shaft; 6. a connecting rod; 7. a shaft bracket; 8. a brush; 9. a driving motor; 10. a first bevel gear; 11. a second bevel gear; 12. an output shaft; 13. a support frame; 14. an external thread; 15. a filter screen; 16. a cutting blade; 17. a water outlet hole; 18. and a water outlet pipe.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 to 3, a flue inlet cleaning structure of a gas cleaning device includes a flue inlet pipe 1 and a rotary feed cleaning device 2. The flue inlet pipe 1 is communicated with the tower body 3 of the gas purifying device, and a baffle 4 which extends towards the inner cavity of the tower body 3 and inclines downwards is arranged at the joint of the flue inlet pipe 1 and the tower body 3 of the gas purifying device; the rotary feeding cleaning device 2 is arranged in the flue inlet pipe 1, can move along the length direction of the flue inlet pipe 1 and rotationally cleans the inner wall of the flue inlet pipe 1. The setting through baffle 4 can prevent that gypsum thick liquid from flowing down to the junction of flue inlet pipe 1 and tower body 3 and make the connector solidification jam to set up rotatory feeding cleaning device 2 and can clean flue inlet pipe 1, prevent to collect more excessive dust in the flue inlet pipe 1, can guarantee industrial waste gas circulation.

The rotary feed cleaning device 2 includes a moving shaft 5, a link 6, and a rotary feed drive structure. The movable shaft 5 and the flue inlet pipe 1 are coaxial and sleeved on the shaft bracket 7; the middle part of the connecting rod 6 is connected with the movable shaft 5, the connecting rod 6 is perpendicular to the movable shaft 5, a hairbrush 8 is arranged at the connecting section of the connecting rod 6, and the hairbrush 8 is tightly attached to the inner wall of the flue inlet pipe 1; the rotary feed driving structure is for rotating the moving shaft 5 circumferentially and moving in the axial direction. The rotary feeding driving structure enables the movable shaft 5 to circumferentially rotate, so that the connecting rod 6 drives the brush 8 to rotate around the axis of the movable shaft 5, the brush 8 can move in the circumferential direction of the inner wall of the inlet pipe to brush dust and sundries on the inner wall, and meanwhile, the rotary feeding driving structure enables the movable shaft 5 and the connecting rod 6 to move along the axis direction of the movable shaft 5, so that the brush 8 can brush dust and sundries on the inner wall in the length direction of the inner wall of the inlet pipe, and the larger area of the inner wall of the inlet pipe can be cleaned through cleaning in two directions.

The rotary feed drive structure includes a drive motor 9, a first bevel gear 10 and a second bevel gear 11. The driving motor 9 is fixedly arranged outside the flue inlet pipe 1, and an output shaft 12 of the driving motor 9 penetrates through the wall of the flue inlet pipe 1 and enters the interior of the flue inlet pipe 1; the first bevel gear 10 is sleeved on an output shaft 12 of the driving motor 9 and is fixedly connected with the output shaft 12 in the circumferential direction; the second bevel gear 11 is arranged on the supporting frame 13, the second bevel gear 11 can rotate circumferentially and is axially fixed, and the second bevel gear 11 is sleeved on the periphery of the movable shaft 5 and is connected with the movable shaft 5 through a long key to realize the circumferential fixed connection of the two; the first bevel gear 10 is engaged with the second bevel gear 11, the movable shaft 5 is provided with an external thread 14, and the shaft bracket 7 is provided with an internal thread matched with the external thread 14. The output shaft 12 drives the first bevel gear 10 to rotate by starting the motor so as to drive the second bevel gear 11 to rotate, and then the second bevel gear 11 drives the movable shaft 5 to rotate so that the movable shaft 5 moves along the axis direction under the action of threaded connection.

Example 2:

as shown in fig. 3, a filter screen 15 parallel to the inlet is disposed in the flue inlet pipe 1. The filter screen 15 is arranged at one end of the flue inlet pipe 1 far away from the baffle plate 4, and the hairbrush 8 is arranged between the filter screen 15 and the baffle plate 4. The filter screen 15 is capable of filtering a substantial portion of the dust in the flue gas.

The side of the filter screen 15 far away from the baffle plate 4 is provided with a cutting blade 16, and the cutting blade 16 is fixedly connected to the movable shaft 5. By providing the cutting blade 16 connected to the movable shaft 5, the movable shaft 5 can be rotated and axially moved to rotate and move the cutting blade 16, so that the cutting blade 16 cuts up the sediment in front of the filter screen 15, and the sediment is prevented from being blocked on the filter screen 15.

Example 3:

as shown in fig. 3, the movable shaft 5 is hollow, the outer end of the movable shaft 5 is connected with a water pipe, and a plurality of water outlet holes 17 are formed on the movable shaft 5 and close to the cutting blade 16. The water is led into the movable shaft 5 through the water pipe so that the water can be sprayed out of the water outlet hole 17, and the water outlet hole 17 gradually sprays water to the filter screen 15 along with the movement of the movable shaft 5 and the cutting blade 16, so that the filter screen 15 is convenient to clean.

The connecting rod 6 is hollow and is communicated with the inner cavity of the movable shaft 5, and a water outlet pipe 18 is arranged at the position, close to the hairbrush 8, of the connecting rod 6. Through the inner cavity of the movable shaft 5 and the connecting rod 6, the water of the water pipe can flow from the movable shaft 5 to the connecting rod 6 and be sprayed from the water outlet pipe 18 of the connecting rod 6 to the inner wall of the flue inlet pipe 1, so that dust deposited on the inner wall of the flue inlet pipe 1 can be removed in an auxiliary mode.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A flue inlet cleaning structure of a gas cleaning device, comprising:

the gas purifying device comprises a flue inlet pipe (1), wherein the flue inlet pipe (1) is communicated with a tower body (3) of the gas purifying device, and a baffle (4) extending towards the inner cavity of the tower body (3) and inclining downwards is arranged at the joint of the flue inlet pipe (1) and the tower body (3) of the gas purifying device;

the rotary feeding cleaning device (2) is arranged in the flue inlet pipe (1) and can move along the length direction of the flue inlet pipe (1) and rotationally clean the inner wall of the flue inlet pipe (1).

2. A flue inlet cleaning structure of a gas cleaning device according to claim 1, characterized in that the rotary feed cleaning device (2) comprises:

the movable shaft (5) is coaxial with the flue inlet pipe (1) and sleeved on the shaft bracket (7);

the middle part of the connecting rod (6) is connected with the movable shaft (5), the connecting rod (6) is perpendicular to the movable shaft (5), a brush (8) is arranged at the connecting section of the connecting rod (6), and the brush (8) is tightly attached to the inner wall of the flue inlet pipe (1);

and a rotary feed driving structure for rotating the moving shaft (5) circumferentially and moving in the axial direction.

3. A flue inlet cleaning structure for a gas cleaning apparatus according to claim 2, wherein the rotary feed driving structure includes:

the driving motor (9) is fixedly arranged outside the flue inlet pipe (1), and an output shaft (12) of the driving motor (9) penetrates through the wall of the flue inlet pipe (1) and enters the interior of the flue inlet pipe (1);

the first bevel gear (10) is sleeved on an output shaft (12) of the driving motor (9) and is fixedly connected with the output shaft (12) in the circumferential direction;

the second bevel gear (11), the second bevel gear (11) is arranged on the supporting frame (13), the second bevel gear (11) can rotate circumferentially and is axially fixed, and the second bevel gear (11) is sleeved on the periphery of the movable shaft (5) and is fixedly connected with the movable shaft (5) circumferentially;

wherein, the first bevel gear (10) is meshed with the second bevel gear (11), the movable shaft (5) is provided with external threads (14), and the shaft bracket (7) is provided with internal threads matched with the external threads (14).

4. A flue inlet cleaning structure of a gas cleaning device according to claim 3, characterized in that the second bevel gear (11) and the moving shaft (5) are connected by a long key.

5. A flue inlet cleaning structure of a gas cleaning device according to claim 4, characterized in that a filter screen (15) parallel to the inlet is arranged in the flue inlet pipe (1).

6. A flue inlet cleaning structure for a gas cleaning apparatus according to claim 5, wherein the filter screen (15) is disposed at an end of the flue inlet tube (1) remote from the baffle plate (4), and the brush (8) is disposed between the filter screen (15) and the baffle plate (4).

7. The flue inlet cleaning structure of a gas purifying device according to claim 6, wherein a cutting blade (16) is provided on a side of the filter screen (15) away from the baffle plate (4), and the cutting blade (16) is fixedly connected to the movable shaft (5).

8. The flue inlet cleaning structure of a gas purifying device according to claim 7, wherein the movable shaft (5) is hollow and has an outer end connected with a water pipe, and a plurality of water outlet holes (17) are formed on the movable shaft (5) near the cutting blade (16).

9. The flue inlet cleaning structure of a gas purifying device according to claim 8, wherein the connecting rod (6) is hollow and is communicated with the inner cavity of the movable shaft (5), and a water outlet pipe (18) is arranged at the position of the connecting rod (6) close to the hairbrush (8).