CN215352019U

CN215352019U - Combined spray drying tower top elbow with guide plate

Info

Publication number: CN215352019U
Application number: CN202120881264.8U
Authority: CN
Inventors: 谭佐文; 谢越林; 童天灿; 欧锦升
Original assignee: Foshan Henglitai Machinery Co Ltd
Current assignee: Foshan Henglitai Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-31
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a combined spray drying tower top elbow with a guide plate, which comprises a guide pipe, wherein a plurality of guide plates are arranged in the guide pipe, and the guide plates extend from the inlet end of the guide pipe to the outlet end of the guide pipe along a guide direction; a plurality of guide plates are distributed in the guide pipe at intervals; a flow guide interval is formed between every two adjacent flow guide plates at intervals; the guide spaces are used for guiding airflow to flow in layers in the guide direction in each guide space. The utility model can guide the air flow to flow in layers, so that the air outlet speed is uniform.

Description

Combined spray drying tower top elbow with guide plate

Technical Field

The utility model relates to the technical field of spray drying, in particular to a combined spray drying tower top elbow with a guide plate.

Background

At present, spray drying towers are used for drying treatment of biology, medicine, ceramic production and the like. Spray drying is a drying process in which a raw material liquid is put into an atomizer to be separated into droplets, and hot air or other gases are directly contacted with the droplets to obtain a product in the shape of powder particles.

In a spray drying tower of a general ceramic factory, a top elbow of the spray drying tower is of a structure without a flow guide plate, a large air speed difference is generated at an outlet of the elbow, and the spray drying tower enters the tower through an air distributor to cause uneven wind and temperature difference. Thereby causing uneven drying and wetting of the powder, and seriously hanging the powder on the wall to influence the production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a combined spray drying tower top elbow with a guide plate, which can guide airflow to flow in a layered manner and make the air outlet speed uniform.

The purpose of the utility model is realized by adopting the following technical scheme:

a combined spray drying tower top elbow with a guide plate comprises a guide pipe, wherein a plurality of guide plates are arranged in the guide pipe, and the guide plates extend from the inlet end of the guide pipe to the outlet end of the guide pipe along a guide direction; a plurality of guide plates are distributed in the guide pipe at intervals; a flow guide interval is formed between every two adjacent flow guide plates at intervals; the guide spaces are used for guiding airflow to flow in layers in the guide direction in each guide space.

Furthermore, the flow guide pipe is an elbow pipe, and the flow guide direction is consistent with the extension direction of the elbow pipe; the guide plate comprises a plurality of guide plate sections, and the guide plate sections are sequentially connected in the guide direction.

Furthermore, a first reinforcing rib is connected between two adjacent guide plates, and the first reinforcing rib is connected between the guide plate and the inner wall of the elbow; the first reinforcing rib is connected to the joint of two adjacent guide plate sections.

Furthermore, a second reinforcing rib is connected between two adjacent guide plate sections of each guide plate.

Furthermore, a first heat-preservation cotton layer is arranged in the pipe wall of the flow guide pipe.

Furthermore, the combined spray drying tower top elbow with the guide plate also comprises an air inlet pipe, and the air inlet pipe is communicated with the inlet end of the guide pipe; the air inlet pipe is used for guiding hot air to the inlet end of the flow guide pipe.

Furthermore, a refractory brick and a second heat-insulating cotton layer are arranged in the pipe wall of the air inlet pipe; the second heat-preservation cotton layer is positioned on the outer side of the refractory brick.

Compared with the prior art, the utility model has the beneficial effects that: the multiple diversion intervals in the diversion pipe can conduct diversion in a layered mode, and the laminar flow state is kept to a great extent, so that turbulence generated by hot air at an elbow is avoided, and the wind speed difference generated at the section of an outlet end is reduced; the section speed of the hot air entering the tower body is ensured to be uniform to a great extent, so that the deflected air generated after the hot air enters the tower is greatly reduced, the temperature consistency of a heat exchange area is ensured, and the quality of the powder is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 along the line B-B;

fig. 3 is an enlarged schematic view of the structure at the position I in fig. 1.

In the figure: 10. a flow guide pipe; 11. first heat insulation cotton; 20. a deflector section; 30. a first reinforcing rib; 40. a second reinforcing rib; 50. an air inlet pipe; 51. a second heat-insulating cotton layer; 52. a refractory brick; 60. a tower body.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and the detailed description below:

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1, fig. 2 and fig. 3, a combined spray drying tower top elbow with guide plates comprises a guide pipe 10, wherein a plurality of guide plates are arranged in the guide pipe 10, and the guide plates can extend from an inlet end of the guide pipe 10 to an outlet end of the guide pipe 10 along a guide direction; a plurality of guide plates are distributed in the draft tube 10 at intervals; a flow guide interval is formed between every two adjacent flow guide plates at intervals; the guide spaces are used for guiding the airflow to flow in layers in the guide spaces along the guide direction.

The diversion direction in this embodiment is specifically the direction of entering air, and when using the diversion structure, the air current can get into honeycomb duct 10 through the entry end of honeycomb duct 10, because be equipped with a plurality of guide plates in the honeycomb duct 10, therefore the air current that gets into can flow by layers through a plurality of water conservancy diversion intervals in honeycomb duct 10, has kept laminar flow state to a great extent to avoided hot-blast to produce the torrent in elbow department, reduced the wind speed difference that produces in exit end cross-section department.

Further, the flow guide pipe 10 is an elbow pipe, and the specific flow guide direction is consistent with the extension direction of the elbow pipe, so that the elbow pipe can be connected with two structures with different flow directions. And for the cooperation elbow structure, above-mentioned guide plate includes a plurality of guide plate sections 20, and a plurality of guide plate sections 20 link up in proper order in the water conservancy diversion direction, and a plurality of guide plate section 20 structures of guide plate can link up according to the trend of return bend promptly, are convenient for assemble in the return bend.

Specifically, a first reinforcing rib 30 can be connected between two adjacent guide plates, and the first reinforcing rib 30 is connected between the guide plate and the inner wall of the elbow; first strengthening rib strip 30 is connected in the linking department of two adjacent flow guide plate sections 20, so, can stabilize the mounting structure of flow guide plate, can also strengthen the structure simultaneously, prevents that the wind speed is too big and the condition such as fracture, the skew of flow guide plate from appearing.

Furthermore, a second reinforcing rib 40 is connected between two adjacent baffle segments 20 of each baffle, so that the structure of a single baffle can be reinforced.

Furthermore, the pipe wall of the draft tube 10 is provided with a first heat insulation cotton 11 layer, so that heat loss in the hot air guiding process can be reduced.

Further, this combination formula area guide plate spray drying tower top of the tower elbow still includes into tuber pipe 50, with the entry tuber pipe 50 with the entry end intercommunication of honeycomb duct 10, it is hot-blast to the entry end of honeycomb duct 10 that the income tuber pipe 50 can guide, so, when using, the leading-in hot-blast to honeycomb duct 10 in of accessible income tuber pipe 50.

Similarly, a firebrick 52 and a second heat-insulating cotton layer 51 can be arranged in the wall of the air inlet pipe 50; the second heat insulation cotton layer 51 is positioned on the outer side of the firebrick 52, so that the heat loss of hot air in the flowing process can be reduced, and the high temperature resistance is better.

The embodiment further provides a spray drying tower, which comprises a tower body 60 and the combined spray drying tower top elbow with the guide plate, wherein the outlet end of the guide pipe 10 is communicated with the inlet of the tower body 60. In this way, hot air can be guided into the tower body 60 through the guide pipe 10, and in the flow guide process, a plurality of flow guide intervals in the guide pipe 10 can be used for layered flow guide, so that the laminar flow state is kept to a great extent, thereby avoiding the hot air from generating turbulence at the elbow and reducing the air speed difference generated at the section of the outlet end; the cross-section speed that to a great extent has guaranteed to get into in the tower body 60 is even to reduce the skew wind that produces after hot-blast entering tower by a wide margin, guaranteed the temperature uniformity in heat exchange area, the quality of powder obtains very big promotion.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. The combined spray drying tower top elbow with the guide plates is characterized by comprising a guide pipe, wherein a plurality of guide plates are arranged in the guide pipe, and the guide plates extend from the inlet end of the guide pipe to the outlet end of the guide pipe along a guide direction; a plurality of guide plates are distributed in the guide pipe at intervals; a flow guide interval is formed between every two adjacent flow guide plates at intervals; the guide spaces are used for guiding airflow to flow in layers in the guide direction in each guide space.

2. The modular spray drying tower top elbow with deflector of claim 1, wherein the flow guide tube is a bent tube, and the flow guide direction is consistent with the extension direction of the bent tube; the guide plate comprises a plurality of guide plate sections, and the guide plate sections are sequentially connected in the guide direction.

3. The combined spray drying tower top elbow with guide plates according to claim 2, wherein a first reinforcing rib is connected between two adjacent guide plates, and the first reinforcing rib is connected between the guide plate and the inner wall of the elbow; the first reinforcing rib is connected to the joint of two adjacent guide plate sections.

4. The modular spray drying tower top elbow with baffles of claim 2, wherein a second reinforcing rib is connected between two adjacent baffle segments of each baffle.

5. The combined spray drying tower top elbow with the guide plate as claimed in any one of claims 1 to 4, wherein a first heat insulation cotton layer is arranged in the pipe wall of the guide pipe.

6. The combined spray drying tower top elbow with deflector of any one of claims 1-4, further comprising an air inlet pipe, wherein the air inlet pipe is communicated with the inlet end of the draft tube; the air inlet pipe is used for guiding hot air to the inlet end of the flow guide pipe.

7. The combined spray drying tower top elbow with the guide plate according to claim 6, wherein a refractory brick and a second heat insulation cotton layer are arranged in the pipe wall of the air inlet pipe; the second heat-preservation cotton layer is positioned on the outer side of the refractory brick.