CN217431361U

CN217431361U - Two-stage partition desulfurizing tower

Info

Publication number: CN217431361U
Application number: CN202123260984.1U
Authority: CN
Inventors: 任忠民; 许荣学; 张泽
Original assignee: Shandong Haojie Environmental Engineering Co ltd
Current assignee: Shandong Haojie Environmental Engineering Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-09-16
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a doublestage subregion desulfurizing tower, comprising a tower body, the inside bottom of tower body is the absorbent storage area, the top in absorbent storage area is equipped with desulfurization district one and desulfurization district two in proper order, the fixed tobacco pipe that advances that is equipped with between absorbent storage area and the desulfurization district one, the fixed horizontally circulating pipe one that is equipped with in bottom one side in absorbent storage area, the desulfurization pump is connected to the other end of circulating pipe one, vertically circulating pipe two is connected on the top of desulfurization pump, the middle part of circulating pipe two is connected and is sprayed mechanism one, the top of circulating pipe two is connected and is sprayed mechanism two, spray mechanism one and spray the fixed absorption mechanism that is equipped with between the mechanism two, the fixed blast pipe that is equipped with in top of tower body. The utility model discloses can carry out the secondary desulfurization to the flue gas, desulfurization effect is good, and the shower nozzle can be changed and the maintenance, and economic benefits is high, simple structure, and convenient to use easily promotes.

Description

Two-stage partition desulfurizing tower

Technical Field

The utility model relates to a flue gas desulfurization technical field specifically is a doublestage subregion desulfurizing tower.

Background

The equipment for carrying out desulfurization treatment on industrial waste gas mostly adopts tower-type equipment, namely a desulfurization tower. Through years of improvement, various types of desulfurizing towers such as a Venturi type desulfurizing tower, a rotational flow plate type desulfurizing tower, a rotational flow column type desulfurizing tower, a floating ball type desulfurizing tower, a sieve plate type desulfurizing tower, a pneumatic emulsification desulfurizing tower and the like are developed, and the equipment technology is mature day by day.

The wet Flue Gas Desulfurization (FGD) is widely applied to various large and medium thermal power plants due to the characteristics of high desulfurization rate, wide coal application range, mature process technology, long stable operation period, small load change influence, large flue gas treatment capacity and the like, and becomes the leading process technology for flue gas desulfurization of thermal power plants at home and abroad. But most spray desulfurizing tower now, its spray mechanism structure is too single, spray the installation of mechanism and generally fix in the desulfurizing tower intracavity, be not convenient for dismantle, long-time use, easily pile up impurity, cause the shower head to block up, inside flue gas flow direction is indefinite simultaneously, because traditional spray column is short spraying in-process flue gas residence time, it is poor to cause the flue gas treatment effect, it is comprehensive that messenger spray mechanism can't spray to the flue gas, has reduced desulfurization quality and desulfurization efficiency scheduling problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the above technical defect, and provide a doublestage subregion desulfurizing tower.

In order to solve the above problem, the technical scheme of the utility model is that: the utility model provides a doublestage subregion desulfurizing tower, includes the tower body, the inside bottom of tower body is the absorbent storage area, the top in absorbent storage area is equipped with desulfurization district one and desulfurization district two in proper order, it advances the tobacco pipe to fix being equipped with between absorbent storage area and the desulfurization district one, the fixed horizontally circulating pipe one that is equipped with in bottom one side in absorbent storage area, the desulfurization pump is connected to the other end of circulating pipe one, vertically circulating pipe two is connected on the top of desulfurization pump, the middle part of circulating pipe two is connected and is sprayed mechanism one, the top of circulating pipe two is connected and is sprayed mechanism two, spray mechanism one and spray the fixed absorption mechanism that is equipped with between mechanism two, the fixed blast pipe that is equipped with in top of tower body.

As an improvement, the first spraying mechanism comprises a first spraying box, one side of the first spraying box is connected with a plurality of first spraying pipes different in length, the first spraying pipes are horizontally arranged at the top of the first desulfurization area, the bottom ends of the first spraying pipes are connected with a plurality of hemispherical first spraying heads, and a plurality of water outlet holes are formed in the first spraying heads, so that the flue gas in the first desulfurization area can be comprehensively sprayed and desulfurized, and the smoke dust in the flue gas can be removed.

As the improvement, a plurality of mounting is connected to the bottom of shower I, the bottom of mounting is equipped with the internal thread, the fixed connecting pipe that is equipped with in top of shower I, the outer wall of connecting pipe is equipped with the external screw thread, through threaded connection between mounting and the connecting pipe, be convenient for maintain shower I and change, prevent that shower I from blockking up, reduce the desulfurization effect.

As the improvement, spray the mechanism two and include the booster pump, the top of circulating pipe two is connected to the one end of booster pump, and the annular sprays case two is connected to the other end, it sets up on the tower body top to spray case two is fixed, the bottom mounting that sprays case two is equipped with a plurality of shower two, but the bottom of shower two runs through the tower body and connects second shower nozzle of autogiration, can spray comprehensively to packing, ensures to be full of the absorbent in the packing.

As the improvement, absorption mechanism includes fixed frame, the fixed middle part that sets up at desulfurization district two of fixed frame, the top of fixed frame is equipped with the filler, a plurality of reinforcing plate is connected to the bottom of fixed frame, the tower body is connected to the bottom of reinforcing plate, can carry out long-time contact and reaction with the flue gas after preliminary desulfurization, improves desulfurization effect.

Compared with the prior art, the utility model the advantage lie in: by arranging the first spraying mechanism, the flue gas in the first desulfurization area can be comprehensively sprayed and desulfurized, and the smoke dust in the flue gas can be removed; by arranging the fixing piece and the connecting pipe, the first spray head is convenient to maintain and replace, the first spray head is prevented from being blocked, and the desulfurization effect is reduced; by arranging the second spraying mechanism and the absorption mechanism, the flue gas after primary desulfurization can be contacted and reacted for a long time, so that the desulfurization effect is improved; by arranging the desulphurization pump, the absorbent can be recycled, and raw materials are saved. The utility model discloses can carry out the secondary desulfurization to the flue gas, desulfurization effect is good, and the shower nozzle can be changed and the maintenance, and economic benefits is high, simple structure, convenient to use easily promotes.

Drawings

Fig. 1 is a structural view of the present invention.

Fig. 2 is a top view structure diagram of the first spraying mechanism of the present invention.

Fig. 3 is an enlarged view of the present invention at a.

As shown in the figure: 1. a tower body; 2. an absorbent storage region; 3. a first desulfurization zone; 4. a second desulfurization zone; 5. a smoke inlet pipe; 6. a first circulating pipe; 7. a desulfurization pump; 8. a second circulating pipe; 9. a first spraying box; 10. a first spray pipe; 11. a fixing member; 12. a first spray nozzle; 13. a connecting pipe; 14. a booster pump; 15. a second spraying box; 16. a second spraying pipe; 17. a second spray head; 18. a fixing frame; 19. a filler; 20. a reinforcing plate; 21. and (4) exhausting the gas.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a two-stage zoned desulfurization tower comprises a tower body 1, the bottom inside the tower body 1 is an absorbent storage area 2, a first desulfurization area 3 and a second desulfurization area 4 are sequentially arranged above the absorbent storage area 2, a smoke inlet pipe 5 is fixedly arranged between the absorbent storage area 2 and the first desulfurization area 3, a horizontal circulating pipe 6 is fixedly arranged on one side of the bottom of the absorbent storage area 2, the other end of the circulating pipe 6 is connected with a desulfurization pump 7, the top end of the desulfurization pump 7 is connected with a vertical circulating pipe 8, the middle part of the circulating pipe 8 is connected with a first spraying mechanism, the top end of the circulating pipe is connected with a second spraying mechanism, an absorption mechanism is fixedly arranged between the first spraying mechanism and the second spraying mechanism, and an exhaust pipe 21 is fixedly arranged at the top end of the tower body 1.

One of the spraying mechanism is including spraying case 9, a plurality of shower 10 of different sizes is connected to one side of spraying case 9, a 10 level setting of shower is at the top of desulfurization district 3, a plurality of mounting 11 is connected to the bottom of a 10 of shower, mounting 11's bottom is equipped with the internal thread, mounting 11's below is equipped with a plurality of hemispherical shower head 12, be equipped with a plurality of apopore on the shower head 12, the fixed connecting pipe 13 that is equipped with in top of shower head 12, the outer wall of connecting pipe 13 is equipped with the external screw thread, pass through threaded connection between mounting 11 and the connecting pipe 13.

The second spraying mechanism comprises a booster pump 14, one end of the booster pump 14 is connected with the top end of a second circulating pipe 8, the other end of the booster pump is connected with a second annular spraying box 15, the second spraying box 15 is fixedly arranged at the top end of the tower body 1, a plurality of second spraying pipes 16 are fixedly arranged at the bottom end of the second spraying box 15, and the bottom ends of the second spraying pipes 16 penetrate through the tower body 1 and are connected with second spray heads 17 capable of automatically rotating; absorption mechanism includes fixed frame 18, fixed frame 18 is fixed to be set up at the middle part of two 4 in desulfurization district, the top of fixed frame 18 is equipped with filler 19, a plurality of reinforcing plate 20 is connected to the bottom of fixed frame 18, tower body 1 is connected to the bottom of reinforcing plate 20.

In specific use, flue gas generated by boiler combustion enters a first desulfurization area 3 from a flue gas inlet pipe 5, a desulfurization pump 7 is automatically started, absorbent in an absorbent storage area 2 is pumped into a second circulation pipe 8 through a first circulation pipe 6, the absorbent in the second circulation pipe 8 enters a first spray pipe 10 through a first spray box 9 and is sprayed into the first desulfurization area 3 through a water outlet hole in a first spray head 12, and preliminary desulfurization and smoke removal are carried out on the flue gas; and a part of the absorbent in the circulating pipe II 8 is pumped above the spraying box I9 and is pumped into the spraying box II 15 by the booster pump 14, then enters the spray head II 17 through the spraying pipe II 16 to spray the filler 19, so that the filler 19 is filled with the absorbent, the exhaust gas after primary desulfurization continuously moves upwards to enter the filler 19, contacts with the absorbent therein and reacts to be desulfurized again, the gas after desulfurization is discharged into air or a chimney through the exhaust pipe 21, and the absorbent dropped after desulfurization falls into the absorbent storage area 2 to be recycled. The first spray head 12 and the second spray head 17 are in screw connection with the first spray pipe 10 and the second spray pipe 16, and can be maintained and replaced if blocked or damaged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A two-stage zoned desulfurization tower is characterized in that: comprises a tower body (1), an absorbent storage area (2) is arranged at the bottom end inside the tower body (1), a first desulfurization area (3) and a second desulfurization area (4) are sequentially arranged above the absorbent storage area (2), a smoke inlet pipe (5) is fixedly arranged between the absorbent storage area (2) and the first desulfurization area (3), a horizontal circulating pipe I (6) is fixedly arranged on one side of the bottom of the absorbent storage area (2), the other end of the first circulating pipe (6) is connected with a desulphurization pump (7), the top end of the desulphurization pump (7) is connected with a second vertical circulating pipe (8), the middle part of the second circulating pipe (8) is connected with the first spraying mechanism, the top end of the second circulating pipe is connected with the second spraying mechanism, an absorption mechanism is fixedly arranged between the first spraying mechanism and the second spraying mechanism, and an exhaust pipe (21) is fixedly arranged at the top end of the tower body (1).

2. The two-stage zoned desulfurization tower of claim 1, wherein: spray mechanism one including spraying case (9), a plurality of shower (10) that differ in size are connected to one side of spraying case (9), the top of shower (10) level setting in desulfurization district (3), a plurality of hemispherical shower (12) are connected to the bottom of shower (10), be equipped with a plurality of apopore on shower (12).

3. The two-stage zoned desulfurization tower of claim 2, wherein: a plurality of mounting (11) is connected to the bottom of shower (10), the bottom of mounting (11) is equipped with the internal thread, the fixed connecting pipe (13) that is equipped with in top of shower (12), the outer wall of connecting pipe (13) is equipped with the external screw thread, pass through threaded connection between mounting (11) and connecting pipe (13).

4. The two-stage zoned desulfurization tower of claim 1, wherein: the mechanism two sprays includes booster pump (14), the top of circulating pipe two (8) is connected to the one end of booster pump (14), and annular spraying box two (15) is connected to the other end, spraying box two (15) and fixedly setting up on tower body (1) top, the bottom mounting that sprays box two (15) is equipped with a plurality of spraying pipe two (16), but the bottom of spraying pipe two (16) runs through tower body (1) and connects autorotation's shower nozzle two (17).

5. The two-stage zoned desulfurization tower of claim 1, wherein: absorption mechanism includes fixed frame (18), the fixed middle part that sets up in desulfurization district two (4) of fixed frame (18), the top of fixed frame (18) is equipped with filler (19), a plurality of reinforcing plate (20) are connected to the bottom of fixed frame (18), tower body (1) is connected to the bottom of reinforcing plate (20).