CN219050880U

CN219050880U - Spray tower

Info

Publication number: CN219050880U
Application number: CN202222520148.0U
Authority: CN
Inventors: 宫翠翠
Original assignee: Kunshan Rulong Environmental Protection Technology Co ltd
Current assignee: Kunshan Rulong Environmental Protection Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-23
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a spray tower, which comprises a tower body, wherein a gas inlet is formed in the side wall of the lower end part of the tower body, and a gas outlet is formed in the top of the tower body. A plurality of packing layers and spraying layers are arranged in the tower body from bottom to top, and the packing layers and the spraying layers are arranged at intervals; the spray layers comprise spray header pipes arranged along the horizontal direction, and included angles are formed between horizontal projections of the spray header pipes of any two adjacent spray layers; the spray header is uniformly distributed with a plurality of spray branch pipes perpendicular to the spray header along the length direction of the spray header, each spray branch pipe is provided with a plurality of spiral nozzles with different orientations along the length direction of the spray header, and the spiral nozzles on two adjacent spray branch pipes are staggered. The spray tower can fully spray the waste gas so as to improve the waste gas purifying effect.

Description

Spray tower

Technical Field

The utility model relates to the technical field of waste gas treatment equipment, in particular to a spray tower.

Background

The spray tower is a common pretreatment device for waste gas treatment, usually the circulating liquid is sprayed into mist or raindrop shape from top to bottom through a nozzle, and gas enters from the lower part of the tower and contacts with the mist or raindrop-shaped circulating liquid to react, so that the purpose of purifying waste gas is achieved. However, the existing spray tower has the problem that the distribution of nozzles is unreasonable, so that part of waste gas is difficult to contact with circulating liquid, the spraying is insufficient, and the waste gas purifying effect is poor.

Disclosure of Invention

In order to overcome the above disadvantages, the present utility model aims to provide a spray tower that can fully spray exhaust gas to improve the exhaust gas purifying effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spray tower comprises a tower body, wherein a gas inlet is formed in the side wall of the lower end part of the tower body, and a gas outlet is formed in the top of the tower body; a plurality of packing layers and spraying layers are arranged in the tower body from bottom to top, and the packing layers and the spraying layers are arranged at intervals; the spray layers comprise spray header pipes arranged along the horizontal direction, and included angles are formed between horizontal projections of the spray header pipes of any two adjacent spray layers; the spray header is uniformly distributed with a plurality of spray branch pipes perpendicular to the spray header along the length direction of the spray header, each spray branch pipe is provided with a plurality of spiral nozzles with different orientations along the length direction of the spray header, and the spiral nozzles on two adjacent spray branch pipes are staggered.

The utility model has the beneficial effects that:

waste gas enters the tower body from the gas inlet, is sequentially adsorbed by a plurality of packing layers and spray layers and is discharged through the gas outlet; the waste gas can be separated and adsorbed for multiple times through the arrangement of the plurality of packing layers, and then the waste gas can be sprayed and adsorbed for multiple times through the arrangement of the plurality of spraying layers, so that the purifying effect is improved; in the spraying layer, the spiral nozzles on the whole spraying layer can be in crisscross arrangement through the vertical arrangement of the spraying main pipe and the spraying branch pipes and the staggered arrangement of the spiral nozzles on the two adjacent spraying branch pipes, so that the coverage area of the spraying points on the spraying layer is increased, then the spiral nozzles on each spraying branch pipe are arranged in different directions, so that the gases in different directions are sprayed, the contact probability of spraying liquid and the gases in different directions is increased, and a plurality of spiral nozzles in different directions can spray waste gas more comprehensively; finally, horizontal projection of spray header pipes of two adjacent spray layers forms an included angle, so that the two adjacent spray layers are integrally arranged in a staggered mode, spiral nozzles of the two spray layers can form spray points in different directions, the spray coverage area is further increased, full spraying of waste gas is guaranteed, and waste gas purification effect is improved.

Furthermore, the lower end of the spray branch pipe is provided with a plurality of installation seats which are in one-to-one correspondence with the spiral nozzles, the installation seats are in threaded connection with the spiral nozzles, and a diversion channel used for communicating the spray branch pipe and the spiral nozzles is arranged in the installation seats. The quick assembly disassembly of spiral nozzle has been realized through the threaded connection of mount pad and spiral nozzle, also the injection angle of spiral nozzle is adjusted to the elasticity of accessible threaded connection.

Further, the lengths of the spray branch pipes gradually decrease from the direction close to the center of the spray header pipe to the direction far from the center of the spray header pipe.

Further, the horizontal projection included angle of the spray header pipes of any two adjacent spray layers is 90 degrees.

The circulating assembly comprises a circulating water tank positioned at the outer side of the tower body, the circulating water tank is communicated with a liquid storage cavity positioned at the bottom of the tower body through a first pipeline, and a plurality of spraying main pipes of the spraying layers are communicated with the circulating water tank through a second pipeline; two groups of circulating water pumps are arranged in the circulating water tank, and any circulating water pump is connected with a second pipeline through a valve group. The circulating assembly is arranged to realize the circulating use of the spray liquid, the stability of circulating water supply is improved through the arrangement of two groups of circulating water pumps, and the water supply fault caused by the damage or the fault of the single circulating water pump is prevented.

Further, a deflector is arranged at the position of the tower body close to the gas inlet. The exhaust gas entering the gas inlet can be guided through the arrangement of the guide plate so as to be convenient for better gas purification.

Further, a supporting piece for supporting the packing layer is further arranged in the tower body, the supporting piece comprises a surrounding frame matched with the shape of the inner wall of the tower body, the surrounding frame is fixedly connected to the tower body, and a grid plate body formed by a plurality of cross bars and longitudinal bars in a staggered mode is arranged in the supporting piece. Through the arrangement of the grid-shaped plate body, the stable support of the filler layer is ensured, and the normal circulation of waste gas is also ensured.

Furthermore, a defogging layer is arranged in the tower body close to the gas outlet.

Furthermore, a plurality of windows which are distributed up and down are arranged on the tower body so as to observe the conditions in the tower body.

Drawings

FIG. 1 is a schematic front view of a spray tower according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a spray tower according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a spray layer according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a spiral nozzle according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a support member according to an embodiment of the present utility model.

In the figure:

1-a tower body; 11-gas inlet; 12-gas outlet; 13-viewing window; 2-a filler layer; 3-spraying a layer; 31-a spray header; 32-spraying branch pipes; 321-mounting seats; 33-spiral nozzle; 4-a mist removing layer; 5-a circulating water tank; 51-first pipeline; 52-a second pipeline; 53-a circulating water pump; 54-valve group; 6-a deflector; 71-surrounding frames; 72-a grid-like plate body.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Examples

Referring to fig. 1-3, the spray tower of the utility model comprises a tower body 1, wherein a gas inlet 11 is arranged on the side wall of the lower end part of the tower body 1, and a gas outlet 12 is arranged on the top. A plurality of packing layers 2 and spraying layers 3 are arranged in the tower body 1 from bottom to top, and the packing layers 2 and the spraying layers 3 are arranged at intervals. The spray levels 3 each comprise a spray header 31 arranged in the horizontal direction, and an included angle is formed between horizontal projections of the spray headers 31 of any two adjacent spray levels 3. The spray header 31 is uniformly distributed with a plurality of spray branch pipes 32 perpendicular to the spray header along the length direction, each spray branch pipe 32 is provided with a plurality of spiral nozzles 33 with different orientations along the length direction, and the spiral nozzles 33 on two adjacent spray branch pipes 32 are staggered.

Waste gas enters the tower body 1 from the gas inlet 11, is sequentially adsorbed by the plurality of packing layers 2 and the spray layers 3 and is discharged through the gas outlet 12; the waste gas can be separated and adsorbed for multiple times through the arrangement of the plurality of packing layers 2, and then the waste gas can be sprayed and adsorbed for multiple times through the arrangement of the plurality of spraying layers 3, so that the purifying effect is improved; in the spray layer 3, the vertical arrangement of the spray header 31 and the spray branch pipes 32 and the staggered arrangement of the spiral nozzles 33 on the two adjacent spray branch pipes 32 enable the spiral nozzles 33 on the whole spray layer 3 to be in criss-cross arrangement, so that the coverage area of spray points (the position of each spiral nozzle is regarded as a spray point) on the spray layer 3 is increased, then the spiral nozzles 33 on each spray branch pipe 32 are set to be in different orientations so as to spray gases in different directions, the contact probability of spray liquid and the gases in different directions is increased, and a plurality of spiral nozzles 33 in different orientations can spray waste gas more comprehensively; finally, the horizontal projection of the spray header pipes 31 of the two adjacent spray layers 3 forms an included angle, so that the two adjacent spray layers 3 are integrally staggered, the spiral nozzles 33 of the two spray layers 3 can form spray points in different directions, the spray coverage area is further increased, the exhaust gas is guaranteed to be fully sprayed, and the exhaust gas purifying effect is improved.

In this embodiment, two filler layers 2 and two spray layers 3 are provided. For convenience of description, the two packing layers 2 are respectively called a first packing layer and a second packing layer, and the two spraying layers 3 are respectively called a first spraying layer and a second spraying layer. The first packing layer, the first spraying layer, the second packing layer and the second spraying layer are sequentially arranged from bottom to top. And a defogging layer 4 is arranged between the second spraying layer and the gas outlet 12 so as to carry out defogging operation on the purified gas. Wherein, no. one packing layer, no. two packing layers all adopt the raschig ring that the diameter is 76mm, and defogging layer 4 adopts the multiaspect ball that the diameter is 50mm. The horizontal projection angle of the spray header 31 of the first spray layer and the second spray layer is 90 degrees.

In some embodiments, referring to fig. 3, the length of the plurality of spray branches 32 decreases from near the center of the spray header 31 to away from the center of the spray header 31. Referring to fig. 4, the lower end of the spray branch pipe 32 is provided with a plurality of installation seats 321 corresponding to the spiral nozzles 33 one by one, the installation seats 321 are in threaded connection with the spiral nozzles 33, and a diversion channel for communicating the spray branch pipe 32 and the spiral nozzles 33 is arranged in the installation seats. The quick assembly and disassembly of the spiral nozzle 33 are realized through the threaded connection of the mounting seat 321 and the spiral nozzle 33, and the injection angle of the spiral nozzle 33 can be adjusted through the tightness of the threaded connection.

In order to realize the circulating water supply to the spray layers 3, in some embodiments, referring to fig. 1-2, the circulating assembly further comprises a circulating water tank 5 positioned outside the tower body 1, the circulating water tank 5 is communicated with a liquid storage cavity positioned at the bottom of the tower body 1 through a first pipeline 51, and the spray header pipes 31 of the spray layers 3 are all communicated with the circulating water tank 5 through a second pipeline 52; two sets of circulating water pumps 53 are arranged in the circulating water tank 5, and any circulating water pump 53 is connected with a second pipeline 52 through a valve group 54. The stability of the circulating water supply is improved by the arrangement of the two groups of circulating water pumps 53, and the water supply failure caused by the damage or failure of the single circulating water pump 53 is prevented.

In some embodiments, referring to fig. 1, the tower 1 is provided with a baffle 6 near the gas inlet 11, and the baffle 6 may be a 45 ° arc plate. The exhaust gas entering the gas inlet 11 can be guided by the arrangement of the deflector 6 in order to facilitate a better gas cleaning.

In some embodiments, the tower body 1 is further provided with a supporting element for supporting the packing layer 2 and the demisting layer 4, as shown in fig. 5, the supporting element includes a surrounding frame 71 matching the shape of the inner wall of the tower body 1, the surrounding frame 71 is fixedly connected to the tower body 1, and a grid-shaped plate 72 formed by a plurality of cross bars and longitudinal bars in a staggered manner is arranged in the surrounding frame. The arrangement of the grid-shaped plate 72 ensures the stable support of the packing layer 2 and the demisting layer 4 and the normal circulation of waste gas. Illustratively, the individual mesh size of the mesh-like plate body 72 may be set to 45mmx45mm.

To facilitate viewing of the inside of the tower 1, in some embodiments, a plurality of windows 13 are provided in the side wall of the tower 1, and the diameter of the windows 13 is, for example, 50mm.

In some embodiments, the tower 1 is made of PPS flame retardant plate material, the inner diameter of the PPS flame retardant plate material is 3500mm, the tower height is 6400mm, the thickness of the side wall of the tower is 15mm, and the thickness of the bottom wall of the tower is 20mm.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The spray tower comprises a tower body, wherein a gas inlet is formed in the side wall of the lower end part of the tower body, and a gas outlet is formed in the top of the tower body; the method is characterized in that: a plurality of packing layers and spraying layers are arranged in the tower body from bottom to top, and the packing layers and the spraying layers are arranged at intervals; the spray layers comprise spray header pipes arranged along the horizontal direction, and included angles are formed between horizontal projections of the spray header pipes of any two adjacent spray layers; the spray header is uniformly distributed with a plurality of spray branch pipes perpendicular to the spray header along the length direction of the spray header, each spray branch pipe is provided with a plurality of spiral nozzles with different orientations along the length direction of the spray branch pipe, and the spiral nozzles on two adjacent spray branch pipes are staggered.

2. The spray tower of claim 1, wherein: the lower extreme of spray branch pipe be equipped with a plurality of with spiral nozzle one-to-one's mount pad, the mount pad with spiral nozzle threaded connection, its inside is equipped with and is used for the intercommunication spray branch pipe, spiral nozzle's water conservancy diversion passageway.

3. The spray tower of claim 1, wherein: the lengths of the spray branch pipes gradually decrease from the direction close to the center of the spray header pipe to the direction far away from the center of the spray header pipe.

4. The spray tower of claim 1, wherein: the horizontal projection included angle of the spray header pipes of any two adjacent spray layers is 90 degrees.

5. The spray tower of any one of claims 1-4, wherein: the circulating assembly comprises a circulating water tank positioned at the outer side of the tower body, the circulating water tank is communicated with a liquid storage cavity positioned at the bottom of the tower body through a first pipeline, and spray header pipes of a plurality of spray layers are communicated with the circulating water tank through a second pipeline; two groups of circulating water pumps are arranged in the circulating water tank, and any one of the circulating water pumps is connected with the second pipeline through a valve group.

6. The spray tower of claim 1, wherein: and a guide plate is arranged at the position of the tower body, which is close to the gas inlet.

7. The spray tower of claim 1, wherein: the tower body is internally provided with a supporting piece for supporting the packing layer, the supporting piece comprises a surrounding frame matched with the shape of the inner wall of the tower body, the surrounding frame is fixedly connected to the tower body, and a grid-shaped plate body formed by a plurality of cross bars and longitudinal bars in a staggered mode is arranged in the tower body.

8. The spray tower of claim 1, wherein: and a defogging layer is arranged in the tower body close to the gas outlet.

9. The spray tower of claim 1, wherein: the tower body is also provided with a plurality of windows which are distributed up and down.