CN212757924U

CN212757924U - Desulfurization absorption tower

Info

Publication number: CN212757924U
Application number: CN202020791898.XU
Authority: CN
Inventors: 潘日喜
Original assignee: Jiangsu Fengfeng Hongyun Environment Protect Technology Development Co ltd
Current assignee: Jiangsu Fengfeng Hongyun Environment Protect Technology Development Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-23
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a desulfurization absorption tower, which comprises a tower body structure, a spraying structure and an air guide structure, wherein the spraying structure is fixedly connected with the air guide structure, the air guide structure comprises an air guide disc, a central shaft and a rotating motor, the air guide disc and the tower body structure form an air guide cavity, the central shaft is meshed with the output end of the rotating motor, and the output end of the rotating motor penetrates through the tower body structure, so that the path of flue gas in the absorption tower is improved on the basis of the prior art, the air guide disc is arranged by spiral rising, so that the flue gas is spirally raised to prolong the path, the spraying structure is utilized again, the flue gas can be sufficiently purified, the central shaft and the rotating motor are additionally arranged to realize the purpose of rotating the air guide disc, and dirt accumulated on the air guide disc can be thrown away, thereby improving the gas guiding effect of the gas guiding disc and further improving the purification effect of the flue gas.

Description

Desulfurization absorption tower

Technical Field

The utility model relates to a flue gas desulfurization equipment technical field especially relates to a desulfurization absorption tower.

Background

The desulfurization absorption tower is equipment for realizing sulfur absorption operation. The gas-liquid two-phase flow mode in the tower can be countercurrent or cocurrent. Usually, a countercurrent operation is adopted, the absorbent flows from top to bottom in the tower top, and contacts with the gas flowing from bottom to top, the liquid absorbed with the absorbent is discharged from the bottom of the tower, and the purified gas is discharged from the top of the tower.

However, in the working process, the rising path of the flue gas is vertical upwards, and the flue gas can be quickly output to the outside of the tower through the absorption tower, so that the purification effect is weaker, and more pollutants still exist in the waste gas.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve among the prior art flue gas and pass through the route shorter, can't be fully absorbed, lead to the relatively poor problem of final purifying effect, provide a desulfurization absorption tower.

The utility model provides a desulfurization absorption tower, includes the tower body structure, sprays structure and air guide structure, the tower body structure outer cover in the periphery side of spraying the structure, spray the structure then with air guide structure fixed connection, and set up in the periphery side of air guide structure, the air guide structure includes air guide dish, center pin and rotation motor, the air guide dish is followed the length direction spiral of center pin set up in the periphery side of center pin, with the tower body structure forms the air guide cavity, the center pin with the output intermeshing of rotating the motor, and follow the length direction of tower body structure set up in the below of rotating the motor, the output of rotating the motor then runs through the tower body structure, the rotation motor set up in the upside of tower body structure.

Wherein the upper end of the central shaft and the output end of the rotating motor are both provided with meshed teeth.

Wherein, the tower body structure includes inlet duct, tower body and pipeline of giving vent to anger, inlet duct runs through the tower body, and set up in the downside of tower body, the tower body is integrated into one piece's cylindrical structure, and cover outward in the periphery side of spraying the structure, the pipeline of giving vent to anger then runs through the tower body, and set up in the upside of tower body.

Wherein, the spray structure includes honeycomb duct, atomising head and water pump, the honeycomb duct is followed the periphery of air guide dish sets up, the atomising head then runs through the honeycomb duct, and follows the length extending direction of honeycomb duct sets up, the water pump with the honeycomb duct intercommunication, and set up in the upper end of tower body structure.

The spraying structure is provided with a slurry pool, and the slurry pool is arranged on the lower side of the air inlet pipeline and communicated with the bottom end of the air guide cavity.

The top end of the tower body structure is provided with a dust removal demister, and the dust removal demister is made of corrosion-resistant steel or high polymer materials.

The dust removal demister comprises a dust removal body, a liquid collection plate and a through pipeline, the dust removal body is arranged on the upper side of the air guide disc, the liquid collection plate is arranged between the dust removal body and the air guide disc and sleeved on the outer peripheral side of the central shaft, and the through pipeline is connected with the liquid collection plate and the air guide disc.

The utility model has the advantages that: on the basis of the prior art, the path of the flue gas in the absorption tower is improved, the spiral rising is utilized to arrange the gas guide disc, the flue gas is spirally raised to prolong the path, the spraying structure is utilized again, the flue gas can be sufficiently purified, the central shaft and the rotating motor are additionally arranged, the purpose of rotating the gas guide disc is achieved, dirt accumulated on the gas guide disc can be thrown away, the gas guide effect of the gas guide disc is improved, and the purification effect of the flue gas is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an axial measurement structure of a desulfurization absorption tower of the present invention.

Fig. 2 is a schematic sectional view of a desulfurization absorption tower of the present invention.

Fig. 3 is a schematic view of the axial structure of the spraying structure and the air guide structure of the desulfurization absorption tower of the present invention.

Fig. 4 is a schematic view of the spray structure and the air guide structure of the desulfurization absorption tower according to the present invention.

10-tower body structure, 20-spraying structure, 30-air guide structure, 11-air inlet pipeline, 12-tower body, 13-air outlet pipeline, 14-dust and mist removing device, 21-guide pipe, 22-spray head, 23-water pump, 24-slurry pool, 31-air guide disc, 32-central shaft, 33-rotating motor, 34-air guide chamber, 35-rodent, 141-dust removing body, 142-liquid collecting plate and 143-through pipeline.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a desulfurization absorption tower, which comprises a tower body structure 10, a spraying structure 20 and an air guide structure 30, the tower body structure 10 is externally covered on the outer periphery side of the spraying structure 20, the spraying structure 20 is fixedly connected with the air guide structure 30, and is disposed at the outer circumferential side of the air guide structure 30, the air guide structure 30 includes an air guide plate 31, a central shaft 32 and a rotation motor 33, the air guide plate 31 is spirally provided on the outer peripheral side of the center shaft 32 along the longitudinal direction of the center shaft 32, forming with the tower structure 10 an air conducting chamber 34, the central shaft 32 being in engagement with the output of the rotation motor 33, and follow the length direction of tower structure 10 set up in the below of rotating motor 33, the output of rotating motor 33 then runs through tower structure 10, rotating motor 33 set up in the upside of tower structure 10.

In this embodiment, the tower structure 10 is used as a carrier for desulfurization absorption, the spraying structure 20 sprays an absorption liquid on the flue gas to purify the flue gas, the gas guiding structure 30 extends the path of the flue gas in the tower structure 10 to allow more flue gas in the tower structure 10 to contact the absorption liquid, so as to obtain a better purification effect, thereby avoiding the problem that the flue gas rises straight upward to cause the path to be too short to effectively purify the flue gas in the prior art, the central shaft 32 is used for bearing the gas guiding disc 31 and transmitting motion to the gas guiding disc 31, the rotating motor 33 is externally connected with a power supply and is provided for rotating the central shaft 32, when the gas guiding disc 31 needs to be cleaned, the rotating motor 33 is started to allow the output end of the rotating motor 33 to be matched with the central shaft 32, therefore, the central shaft 32 drives the air guide disc 31 to rotate, and the rotation of the air guide disc 31 can enable some dirt accumulated on the air guide disc 31 to be thrown out of the air guide disc 31 under the action of centrifugal force, so that the conveying effect and the purifying effect of the air guide disc 31 on the smoke are improved.

Further, the upper end of the central shaft 32 and the output end of the rotating motor 33 are provided with intermeshing teeth 35.

In this embodiment, the transmission between the central shaft 32 and the rotating motor 33 is performed in a manner that the teeth 35 are engaged with each other, so that the rotation of the central shaft 32 can be realized, the lower portion of the central shaft 32 is not in contact with the tower structure 10 to ensure the rotation of the central shaft 32, and a housing is sleeved at the connection between the central shaft 32 and the output end of the rotating motor 33 to fix the central shaft 32 and the rotating motor 33, so as to prevent the central shaft 32 and the rotating motor 33 from falling off.

Further, the tower structure 10 includes an air inlet pipe 11, a tower body 12 and an air outlet pipe 13, the air inlet pipe 11 penetrates through the tower body 12 and is disposed at the lower side of the tower body 12, the tower body 12 is an integrally formed cylindrical structure and is externally covered at the peripheral side of the spraying structure 20, and the air outlet pipe 13 penetrates through the tower body 12 and is disposed at the upper side of the tower body 12.

In the present embodiment, the inlet duct 11 is used for the inlet of flue gas, the tower body 12 is integrally formed to prevent the leakage of flue gas, the outlet duct 13 is used for discharging the treated flue gas, and the inner diameter of the tower body 12 is the same as the outer diameter of the air guide plate 31, so that the air guide plate 31 restricts the path of the flue gas.

Further, spray structure 20 includes honeycomb duct 21, atomising head 22 and water pump 23, honeycomb duct 21 follows air guide disc 31's periphery sets up, atomising head 22 then runs through honeycomb duct 21, and follows honeycomb duct 21's length extending direction sets up, water pump 23 with honeycomb duct 21 intercommunication, and set up in the upper end of tower structure 10.

In this embodiment, the draft tube 21 is sleeved on the outer periphery of the air guide plate 31, the absorption liquid is disposed inside the draft tube 21, the draft tube 21 and the water pump 23 are matched with each other, so that the absorption liquid inside the draft tube 21 can be uniformly sprayed from the spray head 22, the spray head 22 faces downward in the vertical direction, the sprayed absorption liquid contacts with the flue gas on the air guide plate 31 to perform an absorption operation, and the sprayed absorption liquid flows from top to bottom along with the air guide plate 31.

Further, the spraying structure 20 further has a slurry pool 24, and the slurry pool 24 is disposed at the lower side of the air inlet pipe 11 and is communicated with the bottom end of the air guide chamber 34.

In the present embodiment, the slurry tank 24 is used for collecting used absorption liquid, and the water pump 23 is respectively connected to the slurry tank 24 and the draft tube 21 to ensure the recycling of the absorption liquid, so as to improve the circulation efficiency of the absorption liquid, the slurry tank 24 has a liquid outlet, which penetrates through the tower body 12 and is disposed at the bottom end of the tower body 12, and when the absorption effect of the absorption liquid is not good, the absorption liquid in the slurry tank 24 is discharged.

Further, a dust and mist eliminator 14 is arranged at the top end of the tower body structure 10, and the dust and mist eliminator 14 is made of corrosion-resistant steel or high polymer materials.

In the present embodiment, the dust and mist eliminator 14 is used to collect the mist particles and slurry droplets entrained in the flue gas to improve the flue gas purification effect, and the polymer material may be rubber, plastic, or the like.

Further, the dust and mist eliminator 14 includes a dust removing body 141, a liquid collecting plate 142 and a through pipe 143, the dust removing body 141 is disposed on the upper side of the air guide plate 31, the liquid collecting plate 142 is disposed between the dust removing body 141 and the air guide plate 31 and is sleeved on the outer peripheral side of the central shaft 32, and the through pipe 143 connects the liquid collecting plate 142 and the air guide plate 31.

In this embodiment, the dust removing body 141 may be at least one of a baffle type, a swirl impeller type and a double baffle type, and the liquid collecting plate 142 is a circular plate with a concave edge toward the center of a circle, and functions to collect the mist and slurry droplets collected by the dust removing body 141, and to be fed into the air guide plate 31 through the through pipe 143 and to enter the slurry tank 24 along with the air guide plate 31.

The utility model discloses on prior art's basis, through addding air guide disc 31, and make air guide disc 31 with tower body 12 is mutually supported to the ascending route to the flue gas prolongs, and simultaneously, adaptability is in air guide disc 31 is last to be add honeycomb duct 21 lets the absorption liquid can carry out more abundant contact with the flue gas, lets the absorption liquid can reach better absorption effect, then adds again gather liquid board 142 with link up the passageway, make the fog grain and the thick liquid that dust removal defroster 14 detached from the flue gas can pass through it is discharged into to link up the passageway in the thick liquid pond 24, in order to improve the availability factor to the absorption liquid.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a desulfurization absorption tower, its characterized in that, include the tower body structure, spray structure and air guide structure, the tower body structure outer cover in the periphery side of spraying the structure, spray the structure then with air guide structure fixed connection, and set up in the periphery side of air guide structure, the air guide structure includes air guide dish, center pin and rotation motor, the air guide dish is followed the length direction spiral of center pin set up in the periphery side of center pin, with the tower body structure forms the air guide cavity, the center pin with the output intermeshing of rotating the motor, and follow the length direction of tower body structure set up in the below of rotating the motor, the output of rotating the motor then runs through the tower body structure, rotate the motor set up in the upside of tower body structure.

2. The desulfurization absorption tower of claim 1, wherein said upper end of said central shaft and said output end of said rotary motor have intermeshing teeth.

3. The desulfurization absorption tower according to claim 2, wherein the tower body structure comprises an inlet duct, a tower body and an outlet duct, the inlet duct penetrates through the tower body and is disposed at a lower side of the tower body, the tower body is an integrally formed cylindrical structure and is externally covered on an outer peripheral side of the spray structure, and the outlet duct penetrates through the tower body and is disposed at an upper side of the tower body.

4. The desulfurization absorption tower of claim 3, wherein said spray structure comprises a flow guide pipe, a spray head and a water pump, said flow guide pipe is disposed along the periphery of said air guide plate, said spray head penetrates said flow guide pipe and is disposed along the length extension direction of said flow guide pipe, and said water pump is communicated with said flow guide pipe and is disposed at the upper end of said tower structure.

5. The desulfurization absorption tower of claim 4, wherein the spray structure further comprises a slurry tank disposed at a lower side of the air inlet duct and communicating with the bottom end of the air guide chamber.

6. The desulfurization absorption tower of claim 3, wherein a dust and mist eliminator is arranged at the top end of the tower body structure, and the dust and mist eliminator is made of corrosion-resistant steel or high polymer material.

7. The desulfurization absorption tower as recited in claim 6, wherein said dust and mist eliminator includes a dust removal body, a liquid collection plate and a through pipe, said dust removal body is disposed on the upper side of said air guide plate, said liquid collection plate is disposed between said dust removal body and said air guide plate and is sleeved on the outer peripheral side of said central shaft, and said through pipe connects said liquid collection plate and said air guide plate.