CN216171343U

CN216171343U - Flue gas treatment system

Info

Publication number: CN216171343U
Application number: CN202122693232.8U
Authority: CN
Inventors: 王晓兵; 姜晓磊; 崔卫兵; 李鹏博; 李鹏举
Original assignee: Xiangcheng Yongtong New Building Materials Co ltd
Current assignee: Xiangcheng Yongtong New Building Materials Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The application relates to the technical field of flue gas treatment, in particular to a flue gas treatment system which comprises a desulfurization box, wherein the lower part of the desulfurization box is provided with a gas inlet, the upper part of the desulfurization box is provided with a gas outlet, and a spraying mechanism positioned between the gas inlet and the gas outlet is arranged on the desulfurization box; a filter plate which is arranged below the air inlet, a scraping mechanism which is abutted against the upper surface of the filter plate and the inner side wall of the desulfurization box and a driving mechanism which is used for driving the scraping mechanism to slide on the upper surface of the filter plate are arranged in the desulfurization box, and the filter plate is embedded in the desulfurization box; the desulfurization box is provided with a trash discharging port positioned above the filter plate, and the trash discharging port is provided with a sealing mechanism. This application can conveniently clear up the dirt in the desulfurization case.

Description

Flue gas treatment system

Technical Field

The application relates to the technical field of flue gas treatment, in particular to a flue gas treatment system.

Background

When the coal-fired boiler is burned, various organic and inorganic sulfur contained in coal is converted into sulfur oxides mainly containing sulfur dioxide, and the sulfur dioxide enters the atmosphere and is combined with water in the atmosphere to form acid rain, so that the sulfur dioxide not only has serious influence on ground buildings and crops, but also is harmful to human health, and therefore, the flue gas desulfurization is an important content for environmental protection.

The existing desulfurization method comprises the steps that firstly, flue gas is introduced into a desulfurization device from a gas inlet at the bottom of the desulfurization device, then a spraying system sprays desulfurization solution to the flue gas, the purified flue gas is discharged from a gas outlet at the top of the desulfurization device, the desulfurization solution and sulfur dioxide in the flue gas are subjected to high-temperature reaction and then become solid and scale, and the scale in the desulfurization device is difficult to clean, so that the operation of the desulfurization device is easy to break down, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to conveniently clear up the dirt in the desulfurization case, the application provides a flue gas treatment system.

The application provides a flue gas processing system adopts following technical scheme: a flue gas treatment system comprises a desulfurization box, wherein the lower part of the desulfurization box is provided with a gas inlet, the upper part of the desulfurization box is provided with a gas outlet, and a spraying mechanism positioned between the gas inlet and the gas outlet is arranged on the desulfurization box; a filter plate which is arranged below the air inlet, a scraping mechanism which is abutted against the upper surface of the filter plate and the inner side wall of the desulfurization box and a driving mechanism which is used for driving the scraping mechanism to slide on the upper surface of the filter plate are arranged in the desulfurization box, and the filter plate is embedded in the desulfurization box; the desulfurization box is provided with a trash discharging port positioned above the filter plate, and the trash discharging port is provided with a sealing mechanism.

By adopting the technical scheme, after the flue gas enters the desulfurization box from the gas inlet, the spraying mechanism sprays the desulfurization solution, and the flue gas reacts with the desulfurization solution to form dirt which is attached to the upper surface of the filter plate and the inner side wall of the desulfurization box; the driving mechanism drives the scraping mechanism to slide to scrape the part of dirt, and the scraped dirt is discharged from the impurity discharging port, so that the dirt in the desulfurization box can be conveniently cleaned.

Optionally, the spraying mechanism comprises a water pump communicated with the inside of the desulfurization box, the water pump is positioned below the filter plate and is connected with a spraying disc extending into the desulfurization box through a pipeline, and the spraying disc is positioned above the filter plate.

By adopting the technical scheme, the desulfurization solution which does not react with the flue gas passes through the filter plate and flows to the bottom of the desulfurization box, so that the water pump can recycle the desulfurization solution.

Optionally, the filter plate is arranged in an inclined manner, and the height of the filter plate is gradually reduced from the end far away from the impurity discharging port to the end close to the impurity discharging port.

Through adopting above-mentioned technical scheme, the upper surface of filter plate will provide the guide effect for the dirt to the dirt is discharged from row's miscellaneous mouth.

Optionally, the scraping mechanism comprises a first scraper abutting against the upper surface of the filter plate and two opposite inner side walls of the desulfurization box, the first scraper is connected with two second scrapers through a spring, the two second scrapers abut against the two opposite inner side walls of the desulfurization box respectively, and the motion trail of the first scraper partially coincides with that of the second scraper.

Through adopting above-mentioned technical scheme, the spring will make first scraper blade and second scraper blade to contradict respectively in the interior roof of filter plate upper surface and desulfurization case, has improved the clearance effect of scraping the mechanism to the dirt.

Optionally, the driving mechanism includes two penetrating rods that penetrate through the desulfurization box along the horizontal direction in a sliding manner, and the two penetrating rods are respectively connected to the corresponding second scraper.

Through adopting above-mentioned technical scheme, the workman stimulates and wears to establish the pole, can make scraping mechanism carry out amphibious to the dirt in the desulfurization case.

Optionally, two wear to establish the pole and connect through same connecting rod, the connecting rod is located the outside of desulfurization case.

Through adopting above-mentioned technical scheme, the connecting rod is worn to establish two and is connected as a whole, has made things convenient for drive mechanism to drive and has struck off the dirt that the mechanism cleared up the desulfurization case.

Optionally, the lower extreme of second scraper blade is equipped with the inserting groove that supplies first scraper blade to peg graft, and the inserting groove runs through in one side that the second scraper blade was laminated in the desulfurization case inside wall, and the spring is located in the inserting groove.

Through adopting above-mentioned technical scheme for first scraper blade is difficult for second scraper blade relatively and takes place to rock, has improved the clearance effect to the dirt.

Optionally, the sealing mechanism comprises a sealing plate rotationally connected to the wall of the impurity discharging port through a horizontal shaft, the horizontal shaft is located above the gravity center of the sealing plate, and a push rod used for pushing the sealing plate to turn upwards in the impurity discharging port is arranged on the first scraper.

By adopting the technical scheme, because the object always tends to the state of lower gravity center, when the closing plate is not subjected to external force, the closing plate naturally falls and is closed at the impurity discharging port, so that the desulfurization solution on the filter plate is not easy to discharge from the impurity discharging port; when the first scraper plate pushes dirt to the impurity discharging port, the push rod on the first scraper plate pushes the sealing plate to turn upwards, so that the impurity discharging port is exposed, and the dirt is discharged out of the desulfurization box from the impurity discharging port.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view of the whole of the embodiment of the present application;

fig. 3 is a schematic structural view showing a scraping mechanism in the embodiment of the present application.

Reference numerals: 1. a desulfurization box; 11. an air inlet; 12. an air outlet; 13. filtering the plate; 14. a trash discharge port; 15. a support plate; 16. a collection box; 2. a spraying mechanism; 21. a water pump; 22. a pipeline; 23. spraying a disc; 3. a scraping mechanism; 31. a first squeegee; 32. a second squeegee; 321. inserting grooves; 33. a spring; 34. a push rod; 4. a drive mechanism; 41. a rod is arranged in a penetrating way; 42. a connecting rod; 5. a sealing mechanism; 51. a closing plate; 52. the horizontal axis.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a flue gas treatment system. As shown in fig. 1 and 2, a flue gas treatment system comprises a desulfurization box 1, wherein a gas inlet 11 is arranged at the lower part of the desulfurization box 1, a gas outlet 12 is arranged at the upper part of the desulfurization box 1, and a spraying mechanism 2 positioned between the gas inlet 11 and the gas outlet 12 is arranged on the desulfurization box 1; the spraying mechanism 2 comprises a water pump 21 communicated with the inside of the desulfurization box 1, and the water pump 21 is connected with a spraying disc 23 extending into the desulfurization box 1 through a pipeline 22. After the flue gas enters the desulfurization box 1 from the gas inlet 11, the water pump 21 extracts the desulfurization solution at the bottom of the desulfurization box 1 and introduces the desulfurization solution into the spray disc 23, the spray disc 23 sprays the desulfurization solution to the flue gas, and the purified flue gas is discharged from the gas outlet 12.

A filter plate 13 positioned below the air inlet 11 is embedded in the desulfurization box 1, and a spray disc 23 and a water pump 21 are respectively arranged on the upper side and the lower side of the filter plate 13. The flue gas reacts with the desulfurization solution to form dirt and is attached to the upper surface of the filter plate 13 and the inner side wall of the desulfurization tank 1, and the desulfurization solution which does not react with the flue gas passes through the filter plate 13 and flows to the bottom of the desulfurization tank 1, so that the water pump 21 can recycle the desulfurization solution.

A scraping mechanism 3 and a driving mechanism 4 are arranged in the desulfurization box 1, and the driving mechanism 4 can drive the scraping mechanism 3 to scrape off dirt attached to the upper surface of the filter plate 13 and the inner side wall of the desulfurization box 1; the desulfurization box 1 is provided with a trash discharge port 14 positioned above the filter plate 13, the filter plate 13 is arranged in an inclined manner, and the height of the filter plate 13 is gradually reduced from one end far away from the trash discharge port 14 to one end close to the trash discharge port 14, so that the upper surface of the filter plate 13 provides a guiding function for scraped dirt, and the dirt is conveniently discharged from the trash discharge port 14.

A supporting plate 15 is fixed on the outer wall of the desulfurization box 1, a collecting box 16 is placed on the supporting plate 15, and a box opening of the collecting box 16 faces upwards and is positioned obliquely below the impurity discharging opening 14. Dirt discharged from the trash discharge port 14 falls into the collecting box 16, facilitating the collection of the dirt.

The impurity discharging port 14 is provided with a closing mechanism 5, the closing mechanism 5 comprises a closing plate 51 which is rotatably connected with the wall of the impurity discharging port 14 through a horizontal shaft 52, and the horizontal shaft 52 is positioned above the gravity center of the closing plate 51. Since the object always tends to have a low center of gravity, when the closing plate 51 is not subjected to an external force, the closing plate 51 will naturally hang down and close the trash hole 14, so that the desulfurization solution on the filter sheet 13 is not easily discharged from the trash hole 14.

As shown in fig. 2 and 3, the scraping mechanism 3 includes a first scraper 31 abutting against the upper surface of the filter plate 13 and two opposite inner side walls of the desulfurization tank 1, and two second scrapers 32 abutting against the two opposite inner side walls of the desulfurization tank 1, respectively, the lower end of the second scraper 32 is provided with an insertion groove 321 for the first scraper 31 to be inserted, the insertion groove 321 penetrates through one side of the second scraper 32 abutting against the inner side wall of the desulfurization tank 1, and the movement track of the first scraper 31 partially coincides with the movement track of the second scraper 32; a spring 33 is arranged in the inserting groove 321, and two ends of the spring 33 are respectively connected to the first scraper 31 and the second scraper 32.

As shown in fig. 1 and 2, the driving mechanism 4 includes two penetrating rods 41 penetrating through the desulfurization box 1 in a sliding manner along the horizontal direction, the two penetrating rods 41 are respectively connected to the corresponding second scraper 32, the two penetrating rods 41 are connected by a same connecting rod 42, and the connecting rod 42 is located outside the desulfurization box 1. The workman is through pulling connecting rod 42, can be so that wear to establish pole 41 and drive second scraper blade 32 and slide, and spring 33 will make first scraper blade 31 and second scraper blade 32 contradict respectively in the interior roof of filter plate 13 upper surface and desulfurization case 1, has improved the clearance effect of scraping mechanism 3 to the dirt on filter plate 13 upper surface and the desulfurization case 1 inside wall.

The side of the first scraper 31 facing the closing plate 51 is provided with a push rod 34, when the first scraper 31 pushes dirt towards the trash discharge opening 14, the push rod 34 on the first scraper 31 pushes the closing plate 51 to turn upwards, so that the trash discharge opening 14 is exposed, and the dirt is discharged from the trash discharge opening 14 into the collecting box 16.

The implementation principle of the flue gas treatment system in the embodiment of the application is as follows: after the flue gas enters the desulfurization box 1 from the air inlet 11, the water pump 21 extracts the desulfurization solution at the bottom of the desulfurization box 1 and introduces the desulfurization solution into the spray disc 23, the spray disc 23 sprays the desulfurization solution to the flue gas, the flue gas reacts with the desulfurization solution to form dirt and is attached to the upper surface of the filter plate 13 and the inner side wall of the desulfurization box 1, the desulfurization solution which does not react with the flue gas passes through the filter plate 13 and flows to the bottom of the desulfurization box 1, so that the water pump 21 reuses the desulfurization solution, and the purified flue gas is discharged from the air outlet 12.

When a worker pulls the connecting rod 42, the penetrating rod 41 drives the second scraper 32 to slide, the spring 33 enables the first scraper 31 and the second scraper 32 to respectively abut against the upper surface of the filter plate 13 and the inner top wall of the desulfurization tank 1, and the scraping mechanism 3 scrapes off dirt attached to the upper surface of the filter plate 13 and the inner side wall of the desulfurization tank 1; when the first scraper 31 pushes the dirt to the trash discharging opening 14, the push rod 34 on the first scraper 31 pushes the closing plate 51 to turn upwards, so that the trash discharging opening 14 is exposed, and at the moment, the dirt is discharged into the collecting box 16 from the trash discharging opening 14, which facilitates the cleaning of the dirt in the desulfurization box 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A flue gas treatment system is characterized in that: the device comprises a desulfurization box (1), wherein a gas inlet (11) is formed in the lower part of the desulfurization box (1), a gas outlet (12) is formed in the upper part of the desulfurization box (1), and a spraying mechanism (2) positioned between the gas inlet (11) and the gas outlet (12) is installed on the desulfurization box (1); a filter plate (13) which is arranged below the air inlet (11) and is arranged in the desulfurization box (1), a scraping mechanism (3) which is abutted against the upper surface of the filter plate (13) and the inner side wall of the desulfurization box (1), and a driving mechanism (4) which is used for driving the scraping mechanism (3) to slide on the upper surface of the filter plate (13), wherein the filter plate (13) is embedded in the desulfurization box (1); the desulfurization box (1) is provided with a trash discharge port (14) positioned above the filter plate (13), and the trash discharge port (14) is provided with a sealing mechanism (5).

2. The flue gas treatment system of claim 1, wherein: the spraying mechanism (2) comprises a water pump (21) communicated with the inside of the desulfurization box (1), the water pump (21) is positioned below the filter plate (13) and is connected with a spraying disc (23) extending into the desulfurization box (1) through a pipeline (22), and the spraying disc (23) is positioned above the filter plate (13).

3. The flue gas treatment system of claim 1, wherein: the filter plates (13) are obliquely arranged, and the height of the filter plates (13) is gradually reduced from one end far away from the impurity discharging port (14) to one end close to the impurity discharging port (14).

4. A flue gas treatment system according to claim 3, wherein: scraping mechanism (3) including contradict in first scraper blade (31) of filter plate (13) upper surface and desulfurization case (1) two inside walls relatively, first scraper blade (31) are connected with two second scraper blades (32) through spring (33), and two second scraper blades (32) are contradicted respectively in two inside walls that desulfurization case (1) is relative, the movement track of first scraper blade (31) and the movement track partial coincidence of second scraper blade (32).

5. The flue gas treatment system of claim 4, wherein: the driving mechanism (4) comprises two penetrating rods (41) which penetrate through the desulfurization box (1) in a sliding mode along the horizontal direction, and the two penetrating rods (41) are connected to the corresponding second scraping plates (32) respectively.

6. The flue gas treatment system of claim 5, wherein: the two penetrating rods (41) are connected through the same connecting rod (42), and the connecting rod (42) is located on the outer side of the desulfurization box (1).

7. The flue gas treatment system of claim 4, wherein: the lower extreme of second scraper blade (32) is equipped with plug-in groove (321) that supplies first scraper blade (31) to peg graft, and plug-in groove (321) run through in one side that second scraper blade (32) laminating in desulfurization case (1) inside wall, and spring (33) are located in plug-in groove (321).

8. The flue gas treatment system of claim 4, wherein: the sealing mechanism (5) comprises a sealing plate (51) which is rotatably connected to the opening wall of the impurity discharging opening (14) through a horizontal shaft (52), the horizontal shaft (52) is positioned above the gravity center of the sealing plate (51), and a push rod (34) used for pushing the sealing plate (51) to turn upwards in the impurity discharging opening (14) is arranged on the first scraper blade (31).