CN219518367U

CN219518367U - Circulation tank of ammonia desulfurization tower

Info

Publication number: CN219518367U
Application number: CN202223093662.7U
Authority: CN
Inventors: 屠国华; 顾培林; 顾建平; 胡赟燕
Original assignee: Zhejiang Hengyang Thermal Power Co ltd
Current assignee: Zhejiang Hengyang Thermal Power Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-08-15
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a circulating tank of an ammonia desulfurization tower, which relates to the technical field of circulating tanks, and aims to solve the technical problems that the use safety of the circulating tank cannot be guaranteed in the prior art, and meanwhile, the inside of the circulating tank is difficult to clean.

Description

Circulation tank of ammonia desulfurization tower

Technical Field

The utility model belongs to the technical field of circulating tanks, and particularly relates to a circulating tank of an ammonia desulfurization tower.

Background

The ammonia desulfurization is a high-efficiency low-energy-consumption wet desulfurization mode, has the biggest advantages of recycling SO2 and recycling pollutant SO2 into byproduct nitrogen fertilizer ammonium sulfate with excellent performance, but has the problems of aerosol, ammonia loss, byproduct stability, equipment corrosion and the like in the operation of the ammonia desulfurization technology.

At present, the most serious part of corrosion is the circulating tank in the process flow caused by high chloride ion and high fluoride ion ammonium sulfate slurry formed in the ammonia desulfurization process, if the circulating tank is leaked carelessly, serious installation accidents can be caused, meanwhile, the circulating pipe tank is basically of an integrated structure, internal attachments are not easy to clean, and pollutants can be added to corrode the inner wall.

Therefore, in order to solve the problem that the daily circulation tank is difficult to ensure the use safety after use and the interior of the circulation tank is difficult to clean, the problem needs to be solved so as to improve the use scene of the circulation tank.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a circulating tank of an ammonia desulfurization tower, which aims to solve the technical problems that the use safety of the circulating tank cannot be ensured in the prior art and the inside of the circulating tank is not easy to clean.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a circulating tank of an ammonia desulfurization tower, which comprises a circulating tank body, wherein a component installation cavity is formed in the upper end of the inner side of the circulating tank body, a cleaning component is installed in the inner side of the component installation cavity, a side wall through groove is formed in the upper end of the inner side of the circulating tank body, a liquid injection interface is fixedly connected to the left end of the side wall through groove, a sewage outlet is formed in the right end of the circulating tank body, a sewage drain channel is fixedly connected to the left end of the sewage outlet, a sealing cover is in threaded connection with the left end of the sewage outlet, a liquid inlet pipeline is fixedly connected to the lower side of the right end of the circulating tank body, and a liquid outlet pipeline is fixedly connected to the upper side of the right end of the circulating tank body.

When the circulating tank of the technical scheme is used, the ammonia desulfurization tower is connected with the circulating tank body through the liquid outlet pipeline and the liquid inlet pipeline, after normal operation, pollutants after ammonia desulfurization can be attached to the inner wall of the circulating tank body, the pollutants are attached to the circulating tank body for a long time and are not treated, corrosion to the inner wall can be caused, the component mounting cavity is additionally formed in the upper end of the circulating tank body, the water source is communicated with the water supply pipe through the liquid injection interface, the water source is distributed to four surfaces of the inner wall through the side wall through grooves, the cleaning component mounted on the inner side of the component mounting cavity is started, the cleaning component moves downwards to scrape the pollutants on the four surfaces of the inner wall, the sealing cover is opened, the cleaning component extrudes downwards, and the pollutants are discharged through the sewage discharging channel.

Further, the circulation tank body adopts bilayer design, the inside and outside two-layer stainless steel material that all adopts resistant concentrated sulfuric acid of circulation tank body, circulation tank body intermediate layer inboard is filled with anticorrosive cement, and anticorrosive treatment has all been done to stainless steel inboard, through three-layer protection, can effectively avoid the circulation tank to appear the circumstances that the cell wall perforation revealed.

Further, the circulating groove body is a square hollow pipe groove, so that the supporting force is strong and the service life is long.

Further, the side wall through groove comprises a ring-shaped through groove and an inclined through groove, the lower end of the ring-shaped through groove is fixedly connected with the inclined through grooves which are distributed at equal intervals, the inclined through groove inclines towards the center point of the circulating groove body, and a water source is conveyed out of the inclined through groove through the distribution of the ring-shaped through groove of the side wall through groove and washes four surfaces of the inner wall.

Further, the cleaning component comprises a driving motor, a threaded rod, a thread bush, a supporting plate and an annular scraping plate, the driving motor is a positive motor and a negative motor, the threaded rod is installed at the lower end of an output shaft of the driving motor, the thread bush is connected with the outer side of the threaded rod in a transmission mode, and the cleaning component moves up and down to scrape pollutants on four surfaces of the inner wall.

Further, screw sleeve outside fixedly connected with backup pad, backup pad outside fixedly connected with annular scraper blade, annular scraper blade matches the laminating with the circulation tank body inner wall, avoids not cleaning up the inner wall for a long time and leads to pollutant corrosion, can collect the pollutant on the inner wall simultaneously and carry out recycle.

Further, the left end of the liquid injection interface is provided with a water supply pipe, so that the water supply pipe is convenient to connect.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the circulating tank provided by the utility model utilizes the component mounting cavity additionally arranged at the upper end of the circulating tank body, normal use is not affected, meanwhile, the cleaning component arranged at the inner side of the component mounting cavity moves up and down to scrape pollutants on four sides of the inner wall, so that the pollutants are prevented from being corroded due to long-time cleaning of the inner wall, the pollutants on the inner wall can be collected and recycled, the water supply pipe is communicated through the liquid injection interface, the water source is uniformly conveyed out of the inclined through grooves through the annular through grooves by the side wall through grooves, the four sides of the inner wall are thoroughly washed, three-layer protection is adopted by the circulating tank body, the situation that the perforation and leakage of the groove wall occur in the circulating tank can be effectively avoided, and the use safety is greatly improved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a circulation tank according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the circulation tank of the present utility model;

FIG. 3 is a schematic diagram of the top plan view of a circular through slot and an inclined through slot in one embodiment of the circulation slot of the present utility model;

FIG. 4 is a schematic cross-sectional view of a body of a circulation tank according to an embodiment of the present utility model.

The marks in the drawings are: 1. a circulation tank body; 2. a component mounting cavity; 3. a cleaning assembly; 301. a driving motor; 302. a threaded rod; 303. a thread sleeve; 304. a support plate; 305. an annular scraping plate; 4. the side wall is provided with a through groove; 5. a liquid injection interface; 6. a trapway; 7. a sewage outlet; 8. sealing cover; 9. a liquid inlet pipe; 10. a liquid outlet pipe; 11. a circular through groove; 12. an inclined through groove.

Detailed Description

Example 1

This concrete embodiment is a circulation tank for ammonia desulfurization tower, and its three-dimensional structure schematic diagram is as shown in fig. 1, and its cross-sectional structure schematic diagram is as shown in fig. 2, and this circulation tank includes circulation tank body 1, the inside one end that leans on of circulation tank body 1 is equipped with subassembly installation cavity 2, clean subassembly 3 is installed to subassembly installation cavity 2 inboard, circulation tank body 1 is inboard and is leaned on one end to have seted up lateral wall logical groove 4, lateral wall logical groove 4 left end fixedly connected with annotates liquid interface 5, drain 7 has been seted up to circulation tank body 1 right-hand member, drain 7 left end fixedly connected with blowdown passageway 6, drain 7 left end threaded connection has sealed lid 8, circulation tank body 1 right-hand member is leaned on one side fixedly connected with feed liquor pipeline 9 down, circulation tank body 1 right-hand member is leaned on one side fixedly connected with out liquid pipeline 10, lateral wall logical groove 4 includes annular logical groove 11 and inclined logical groove 12, the inclined logical groove 12 that the equal distance distributes is seted up to lateral wall logical groove 11 lower extreme, inclined logical groove 12 towards the center point that the water source is led to the circulation tank 1 and is led to four water source side wall logical groove 12 from inclined distribution type channel 11.

The circulating tank body 1 adopts double-deck design, the inside and outside two-layer stainless steel material that all adopts resistant concentrated sulfuric acid of circulating tank body 1, the inboard packing of circulating tank body 1 intermediate layer has anticorrosive cement, and anticorrosive treatment has all been done to stainless steel inboard, through three-layer protection, can effectively avoid circulating tank to appear the condition that the cell wall perforation revealed.

Meanwhile, the circulating groove body 1 is a square hollow pipe groove, so that the supporting force is strong and the service life is long.

In addition, clean subassembly 3 includes driving motor 301, threaded rod 302, thread bush 303, backup pad 304 and annular scraper blade 305, driving motor 301 is positive and negative motor, the threaded rod 302 is installed to driving motor 301 output shaft lower extreme, threaded rod 302 outside transmission is connected with thread bush 303, and clean subassembly 3 reciprocates the pollutant of four faces of inner wall and strikes off, thread bush 303 outside fixedly connected with backup pad 304, backup pad 304 outside fixedly connected with annular scraper blade 305, annular scraper blade 305 matches the laminating with the inner wall of circulation tank body 1, avoids not clearing up the inner wall for a long time and leads to the pollutant to corrode, can collect the pollutant on the inner wall simultaneously and carry out recycle.

In addition, the left end of the liquid injection interface 5 is provided with a water supply pipe, so that the water supply pipe is convenient to connect.

The schematic plan view of the annular through groove 11 and the inclined through groove 12 of the circulation groove is shown in fig. 3, and the schematic sectional view of the circulation groove body 1 is shown in fig. 4.

When the circulating tank of the technical scheme is used, the ammonia desulfurization tower is connected with the circulating tank body 1 through the liquid outlet pipeline 10 and the liquid inlet pipeline 9, after normal operation, pollutants after ammonia desulfurization are attached to the inner wall of the circulating tank body 1, the pollutants are not treated for a long time, corrosion to the inner wall is caused, the component mounting cavity 2 additionally arranged at the upper end of the circulating tank body 1 is communicated with the water supply pipe through the liquid injection interface 5, a water source is distributed to four surfaces of the inner wall from the inclined type through groove 12 through the annular through groove 11 of the side wall through groove 4, the cleaning component 3 arranged at the inner side of the component mounting cavity 2 is started, the driving motor 301 drives the threaded rod 302 at the lower end to rotate positively, the threaded rod 302 is in transmission connection with the threaded sleeve 303 to move downwards, the supporting plate 304 and the annular scraping plate 305 also move downwards along with the movement of the pollutants on the four surfaces of the inner wall, the pollution discharge outlet 7 of the circulating tank body 1 is reached, the sealing cover 8 is opened, the cleaning component 3 is extruded downwards, the pollutants are discharged through the pollution discharge channel 6 if the pollution discharge channel is required to be discharged, and the cleaning component 3 is reversely started.

Claims

1. The utility model provides a circulation groove of ammonia desulfurization tower, this circulation groove includes circulation groove body (1), its characterized in that, the inboard one end of leaning on of circulation groove body (1) is equipped with subassembly installation cavity (2), clean subassembly (3) are installed to subassembly installation cavity (2) inboard, circulation groove body (1) inboard one end of leaning on has been seted up lateral wall logical groove (4), lateral wall logical groove (4) left end fixedly connected with annotates liquid interface (5), drain (7) have been seted up to circulation groove body (1) right-hand member, drain (7) left end fixedly connected with drain passageway (6), drain (7) left end threaded connection has sealed lid (8), circulation groove body (1) right-hand member is leaning on one side fixedly connected with feed liquor pipeline (9) down, circulation groove body (1) right-hand member is leaning on one side fixedly connected with drain pipeline (10).

2. The circulation tank of the ammonia desulfurization tower according to claim 1, wherein the circulation tank body (1) adopts a double-layer design, the inner layer and the outer layer of the circulation tank body (1) are made of concentrated sulfuric acid resistant stainless steel, and the inner side of an interlayer of the circulation tank body (1) is filled with anti-corrosion cement.

3. The circulation tank of the ammonia desulfurization tower according to claim 1, wherein the circulation tank body (1) is a square hollow pipe tank.

4. The circulation tank of the ammonia desulfurization tower according to claim 1, wherein the side wall through tank (4) comprises a ring-shaped through tank (11) and an inclined through tank (12), the lower end of the ring-shaped through tank (11) is fixedly connected with the inclined through tanks (12) which are distributed at equal intervals, and the inclined through tank (12) is inclined towards the center point of the circulation tank body (1).

5. The circulation tank of the ammonia desulfurization tower according to claim 1, wherein the cleaning assembly (3) comprises a driving motor (301), a threaded rod (302), a threaded sleeve (303), a supporting plate (304) and an annular scraping plate (305), the driving motor (301) is a positive and negative motor, the threaded rod (302) is installed at the lower end of an output shaft of the driving motor (301), and the threaded sleeve (303) is connected to the outer side of the threaded rod (302) in a transmission manner.

6. The circulation tank of the ammonia desulfurization tower according to claim 5, wherein a supporting plate (304) is fixedly connected to the outer side of the threaded sleeve (303), an annular scraping plate (305) is fixedly connected to the outer side of the supporting plate (304), and the annular scraping plate (305) is matched and attached with the inner wall of the circulation tank body (1).

7. The circulation tank of the ammonia desulfurization tower according to claim 1, wherein a water supply pipe is arranged and connected at the left end of the liquid injection interface (5).