CN216909526U

CN216909526U - Demister for boiler desulfurization tower

Info

Publication number: CN216909526U
Application number: CN202122960970.4U
Authority: CN
Inventors: 李少波; 钟滨; 王钟柱; 孙振清
Original assignee: Qingyuanhe Machinery Manufacturing Weifang Co ltd
Current assignee: Qingyuanhe Machinery Manufacturing Weifang Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-08
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a demister for a boiler desulfurizing tower, which comprises a tower body, a demisting plate and an eccentric wheel, wherein the upper end of the tower body is provided with a smoke exhaust pipe, the right end of the tower body is provided with a smoke inlet pipe, a desulfurizing liquid annular pipe is arranged in the tower body, the right end of the desulfurizing liquid annular pipe is provided with a desulfurizing liquid pipeline, a plurality of first spray heads are arranged on the desulfurizing liquid annular pipe, and the first spray heads are distributed at equal intervals. When the cleaning device is used, the motor is started to drive the rotating shaft and the eccentric wheel to rotate, the eccentric wheel strikes the connecting ring, the connecting ring moves up and down to drive the defogging plate to move upwards in the striking process, the defogging plate drives the slider to move upwards, the slider compresses the spring, and the defogging plate returns to the original position and vibrates under the action of the spring elasticity after the eccentric wheel strikes, so that the blockage of the defogging plate in long-term use is avoided, and the defogging plate can be cleaned through the arranged water inlet pipe, the water collecting tray and the second spray head.

Description

Demister for boiler desulfurization tower

Technical Field

The utility model relates to the technical field of desulfurizing towers, in particular to a demister for a boiler desulfurizing tower.

Background

The desulfurization tower is tower equipment for performing desulfurization treatment on industrial waste gas. The desulfurizing tower was originally built with granite as the most widely used, which utilized the principles of water film desulfurization and dust removal, also known as a granite water film desulfurization dust remover, or a granite water film desulfurization dust remover.

The boiler that uses in the industry can produce high temperature flue gas, and the high temperature flue gas is discharged after need carrying out the desulfurization through the desulfurizing tower, and can use the defroster to carry out the defogging to the flue gas in the boiler desulfurizing tower, and current defroster often is fixed the setting when using, can take place the condition of jam after using for a long time, causes the inconvenience in the use. Accordingly, the present invention provides a demister for a desulfurization tower of a boiler to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demister for a boiler desulfurization tower, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a demister for a boiler desulfurization tower comprises a tower body, demisting plates and an eccentric wheel, wherein a smoke exhaust pipe is arranged at the upper end of the tower body, a smoke inlet pipe is arranged at the right end of the tower body, a desulfurization liquid annular pipe is arranged in the tower body, a desulfurization liquid pipeline is arranged at the right end of the desulfurization liquid annular pipe, a plurality of first spray heads are arranged on the desulfurization liquid annular pipe and distributed at equal intervals, a stand column is arranged on the upper side of the desulfurization liquid annular pipe, a plurality of demisting plates are arranged on the stand column, a sliding block is arranged at one end, close to the stand column, of each demisting plate, a sliding groove is formed in each stand column, the corresponding sliding block is provided with a sliding groove, and each sliding block is connected with the corresponding sliding groove in a sliding manner;

Be equipped with the gag lever post on the slider, the gag lever post upper end is equipped with the limiting plate, limiting plate and spout inner wall fixed connection, the cover has the spring on the gag lever post, spring lower extreme and slider fixed connection, spring upper end and limiting plate fixed connection, the defogging board lower extreme is equipped with the go-between, and the go-between cover is on the stand, go-between and stand sliding connection, the stand lower extreme is equipped with the connecting rod, and the connecting rod lower extreme is equipped with the backup pad, both ends and tower body inner wall fixed connection about the backup pad, the backup pad upper end is equipped with the motor, and the motor left end is equipped with the pivot, and the pivot left end runs through the stand, and is equipped with the eccentric wheel in the pivot.

As a further scheme of the utility model, a filter screen is arranged in the smoke exhaust pipe, the filter screen is fixed through bolts and is convenient to disassemble, and the smoke is further filtered to reach the emission standard.

As a further scheme of the utility model, the right end of the desulfurization liquid pipeline penetrates through the tower body, and the desulfurization liquid pipeline is communicated with the annular desulfurization liquid pipe, so that the flue gas can be conveniently desulfurized.

As a further scheme of the utility model, the lower end of the limiting rod penetrates through the sliding block, and the limiting rod is in sliding connection with the sliding block, so that the sliding block can drive the defogging plate to vertically move up and down conveniently.

As a further scheme of the utility model, the eccentric wheels are symmetrical left and right by taking the upright post as a center, and the eccentric wheels are positioned below the connecting ring, so that the defogging plate is conveniently driven to ensure vertical up-and-down movement.

As a further scheme of the utility model, the smoke exhaust pipe is provided with a water inlet pipe, the lower end of the water inlet pipe penetrates through the smoke exhaust pipe, and the lower end of the water inlet pipe is provided with a water collecting disc, so that the defogging plates can be conveniently cleaned.

As a further scheme of the utility model, the lower end of the water collecting tray is provided with a plurality of second spray heads which are distributed at equal intervals, and the second spray heads are conical, so that the spraying area is enlarged.

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

1. when the device is used, boiler flue gas is input into the tower body through the flue gas inlet pipe, desulfurization liquid is input into the desulfurization liquid annular pipe through the desulfurization liquid pipeline, the desulfurization liquid is sprayed out through the first spray head to desulfurize the flue gas, the flue gas is sprayed and diluted to remove SO and micro particles in the flue gas, the flue gas continuously rises and passes through the demisting plate, moisture and the micro particles carried by the flue gas are attached to the demisting plate in the demisting process of the demisting plate, the demisting plate is in a circular truncated cone shape with a large upper part and a small lower part, the moisture and the micro particles are easy to slide after condensation, and the flue gas after demisting by the demisting plate is discharged out of the tower body through the smoke discharge pipe.

2. When the cleaning device is used, the motor is started to drive the rotating shaft and the eccentric wheel to rotate, the eccentric wheel strikes the connecting ring, the connecting ring moves up and down to drive the defogging plate to move upwards in the striking process, the defogging plate drives the slider to move upwards, the slider compresses the spring, and the defogging plate returns to the original position and vibrates under the action of the spring elasticity after the eccentric wheel strikes, so that the blockage of the defogging plate in long-term use is avoided, and the defogging plate can be cleaned through the arranged water inlet pipe, the water collecting tray and the second spray head.

Drawings

FIG. 1 is a schematic structural diagram of a demister of a boiler desulfurization tower.

FIG. 2 is a schematic cross-sectional view of a demister for a desulfurization tower of a boiler.

FIG. 3 is a top view partially schematic illustration of a demister for a desulfurization tower of a boiler.

FIG. 4 is an enlarged schematic view of a demister of a desulfurization tower of a boiler at A in FIG. 2.

Fig. 5 is an enlarged schematic view of a demister of a desulfurization tower of a boiler at the position B in fig. 3.

In the figure: 1. a tower body; 2. a smoke exhaust pipe; 201. a filter screen; 3. a smoke inlet pipe; 4. a desulfurization solution pipeline; 5. a desulfurization liquid annular pipe; 6. a first nozzle; 7. a defogging plate; 8. a motor; 9. a support plate; 10. a water inlet pipe; 11. a water collection tray; 12. a second spray head; 13. a connecting ring; 14. a column; 15. a chute; 16. a connecting rod; 17. a limiting rod; 18. a rotating shaft; 19. an eccentric wheel; 20. a slider; 21. a spring; 22. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 5, in the embodiment of the utility model, a demister for a boiler desulfurization tower comprises a tower body 1, a demisting plate 7 and an eccentric wheel 19, wherein a smoke exhaust pipe 2 is arranged at the upper end of the tower body 1, a smoke inlet pipe 3 is arranged at the right end of the tower body 1, a desulfurization liquid annular pipe 5 is arranged in the tower body 1, a filter screen 201 is arranged in the smoke exhaust pipe 2, the filter screen 201 is fixed by bolts and is convenient to detach, a desulfurization liquid pipeline 4 is arranged at the right end of the desulfurization liquid annular pipe 5, a plurality of first spray heads 6 are arranged on the desulfurization liquid annular pipe 5, the first spray heads 6 are distributed at equal intervals, the right end of the desulfurization liquid pipeline 4 penetrates through the tower body 1, and the desulfurization liquid pipeline 4 is communicated with the desulfurization liquid annular pipe 5;

an upright post 14 is arranged on the upper side of the desulfurization liquid annular tube 5, a plurality of demisting plates 7 are arranged on the upright post 14, a sliding block 20 is arranged at one end, close to the upright post 14, of each demisting plate 7, a sliding groove 15 is formed in the upright post 14 corresponding to the sliding block 20, the sliding block 20 is in sliding connection with the sliding groove 15, a limiting rod 17 is arranged on the sliding block 20, a limiting plate 22 is arranged at the upper end of the limiting rod 17, the limiting plate 22 is fixedly connected with the inner wall of the sliding groove 15, the lower end of the limiting rod 17 penetrates through the sliding block 20, the limiting rod 17 is in sliding connection with the sliding block 20, a spring 21 is sleeved on the limiting rod 17, the lower end of the spring 21 is fixedly connected with the sliding block 20, and the upper end of the spring 21 is fixedly connected with the limiting plate 22;

The lower extreme of defogging board 7 is equipped with go-between 13, and go-between 13 cover is on stand 14, go-between 13 and stand 14 sliding connection, the 14 lower extremes of stand are equipped with connecting rod 16, and connecting rod 16 lower extreme is equipped with backup pad 9, and both ends and tower body 1 inner wall fixed connection about backup pad 9, backup pad 9 upper end is equipped with motor 8, and the motor 8 left end is equipped with pivot 18, and the stand 14 is run through to pivot 18 left end, and is equipped with eccentric wheel 19 on the pivot 18, eccentric wheel 19 uses stand 14 as central bilateral symmetry, and eccentric wheel 19 is located go-between 13 below.

Example 2

In the embodiment of the utility model, a water inlet pipe 10 is arranged on the smoke exhaust pipe 2, the lower end of the water inlet pipe 10 penetrates through the smoke exhaust pipe 2, a water collecting tray 11 is arranged at the lower end of the water inlet pipe 10, a plurality of second spray heads 12 are arranged at the lower end of the water collecting tray 11, and the second spray heads 12 are distributed at equal intervals.

The working principle of the utility model is as follows:

when the utility model is used, boiler flue gas is input into a tower body 1 through a flue gas inlet pipe 3, desulfurization liquid is input into a desulfurization liquid annular pipe 5 through a desulfurization liquid pipeline 4, the desulfurization liquid is sprayed out through a first spray head 6 to desulfurize the flue gas, the flue gas is sprayed and diluted to remove SO2 and fine particles in the flue gas, the flue gas continuously rises through a defogging plate 7, moisture and fine particles carried by the flue gas are attached to the defogging plate 7 in the defogging process of the defogging plate 7, the moisture and the fine particles are easy to slip after being condensed due to the fact that the defogging plate 7 is in the shape of a circular truncated cone with a large upper part and a small lower part, the flue gas demisted by the defogging plate 7 is discharged out of the tower body 1 through a smoke discharge pipe 2, a motor 8 is started to drive a rotating shaft 18 and an eccentric wheel 19 to rotate, the eccentric wheel 19 strikes the connecting ring 13, the connecting ring 13 moves up and down in the striking process to drive the defogging plate 7 to move up, the sliding block 20 is driven by the defogging plate 7 to move up, the slider 20 compresses the spring 21, and after the eccentric wheel 19 hits the back, under the effect of spring 21 elasticity, the defogging board 7 recovers the normal position and takes place vibrations to avoided the long-term use of defogging board 7 to take place the condition of jam, the rethread inlet tube 10 that sets up, water-collecting tray 11 and second shower nozzle 12 can be washd defogging board 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A demister for a boiler desulfurization tower comprises a tower body (1), demister plates (7) and eccentric wheels (19), and is characterized in that a smoke exhaust pipe (2) is arranged at the upper end of the tower body (1), a smoke inlet pipe (3) is arranged at the right end of the tower body (1), a desulfurization liquid annular pipe (5) is arranged in the tower body (1), a desulfurization liquid pipeline (4) is arranged at the right end of the desulfurization liquid annular pipe (5), a plurality of first spray heads (6) are arranged on the desulfurization liquid annular pipe (5), the first spray heads (6) are distributed at equal intervals, a stand column (14) is arranged on the upper side of the desulfurization liquid annular pipe (5), and a plurality of demister plates (7) are arranged on the stand column (14);

a sliding block (20) is arranged at one end, close to an upright post (14), of the defogging plate (7), a sliding groove (15) is formed in the upright post (14) corresponding to the sliding block (20), the sliding block (20) is in sliding connection with the sliding groove (15), a limiting rod (17) is arranged on the sliding block (20), a limiting plate (22) is arranged at the upper end of the limiting rod (17), the limiting plate (22) is fixedly connected with the inner wall of the sliding groove (15), a spring (21) is sleeved on the limiting rod (17), the lower end of the spring (21) is fixedly connected with the sliding block (20), and the upper end of the spring (21) is fixedly connected with the limiting plate (22);

Defogging board (7) lower extreme is equipped with go-between (13), and go-between (13) cover is on stand (14), go-between (13) and stand (14) sliding connection, stand (14) lower extreme is equipped with connecting rod (16), and connecting rod (16) lower extreme is equipped with backup pad (9), and both ends and tower body (1) inner wall fixed connection are controlled to backup pad (9), backup pad (9) upper end is equipped with motor (8), and motor (8) left end is equipped with pivot (18), and pivot (18) left end runs through stand (14), and is equipped with eccentric wheel (19) on pivot (18).

2. The demister for a boiler desulfurizing tower according to claim 1, wherein a filter screen (201) is arranged in the smoke exhaust pipe (2), and the filter screen (201) is fixed through bolts and is convenient to detach.

3. Demister according to claim 1, wherein the desulfurization liquid pipe (4) penetrates the tower body (1) at the right end, and the desulfurization liquid pipe (4) is communicated with the desulfurization liquid annular pipe (5).

4. The demister of the boiler desulfurization tower as recited in claim 1, wherein the lower end of the limiting rod (17) penetrates through the sliding block (20), and the limiting rod (17) is connected with the sliding block (20) in a sliding manner.

5. Demister according to claim 1, wherein the eccentric wheel (19) is symmetrical about the vertical column (14), and the eccentric wheel (19) is located below the connecting ring (13).

6. The demister of the boiler desulfurizing tower according to claim 1, wherein the smoke exhaust pipe (2) is provided with a water inlet pipe (10), the lower end of the water inlet pipe (10) penetrates through the smoke exhaust pipe (2), and the lower end of the water inlet pipe (10) is provided with a water collecting tray (11).

7. Demister according to claim 6, wherein the water collecting tray (11) is provided with a plurality of second spray nozzles (12) at the lower end, and the second spray nozzles (12) are distributed at equal intervals.