CN113983857B

CN113983857B - Swing type curtain baffle plate

Info

Publication number: CN113983857B
Application number: CN202111263578.2A
Authority: CN
Inventors: 吴成强; 李芸; 王玲; 李伯奎; 王尧; 孙正杨; 丁智超; 李泽平
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-07-29
Anticipated expiration: 2041-10-28
Also published as: CN113983857A

Abstract

The invention discloses a swing type curtain baffle plate, which comprises a shell and a baffle plate arranged in the shell, wherein the shell is a tubular shell, the baffle plate comprises a plurality of outer frames, the arc surfaces of the outer frames are fixedly arranged on curtain baffle rings, the curtain baffle rings are fixedly arranged in the shell, the opposite surfaces of two adjacent outer frames are provided with semicircular holes, a curtain baffle plate is arranged in each outer frame, the periphery of each curtain baffle plate is spaced from the annular inner wall of the corresponding outer frame, a fixed shaft is arranged on each curtain baffle plate, two ends of each fixed shaft penetrate through the two opposite arc surfaces of the curtain baffle plates and extend out of the shell after penetrating through the corresponding outer frame, two ends of each fixed shaft are in rotating fit with the outer frames, the shell and the curtain baffle rings, and one end of each fixed shaft extends out of the shell and is connected with a driving mechanism for driving the fixed shaft to rotate. The fixed shaft is rotated through the driving mechanism, so that the curtain type baffle plates are rotated in real time, and the heat exchange efficiency is improved.

Description

Swing type curtain baffle plate

Technical Field

The invention relates to a curtain type swing type curtain baffle plate technology capable of rotating in real time, in particular to a swing type curtain type baffle plate.

Background

The heat transfer surfaces of many heat transfer devices are engineered as bundles of tubes. During the operation of the equipment, a fluid flows through the pipe and carries out convection heat transfer with the inner surface of the pipe; another fluid flows transversely across the tube bundle outside the tube and conducts convective heat transfer with the outer surface of the tube. The angle between the hot fluid and the tube bundle is called the impact angle, and the swing of the impact angle determines the effect of convection heat transfer.

The curtain baffle plate and the swing type curtain baffle plate shell of the existing curtain baffle plate are fixedly connected and cannot be adjusted.

Disclosure of Invention

According to the swinging type curtain baffle plate, the fixed shaft is rotated through the driving mechanism, so that the curtain baffle plate is rotated in real time, and the heat exchange efficiency is improved.

The technical scheme disclosed by the invention is as follows: a swinging curtain baffle plate comprises a shell and a baffle plate arranged in the shell, wherein the shell is a tubular shell, the baffle plate comprises a plurality of outer frames, the outer frames surround to form a circle, the adjacent two outer frames are fixedly connected, the arc surface of each outer frame is fixedly arranged on a curtain baffle ring, the curtain baffle ring is fixedly arranged in the shell,

The opposite surfaces of two adjacent outer frames are provided with semicircular holes, and circular holes are formed after the two adjacent outer frames are fixed,

each outer frame is annular, a curtain type baffling sheet is installed in each outer frame, the periphery of each curtain type baffling sheet is spaced from the annular inner wall of the corresponding outer frame, a fixed shaft is installed on each curtain type baffling sheet, two ends of each fixed shaft penetrate out of two opposite arc-shaped surfaces of each curtain type baffling sheet and penetrate through the corresponding outer frame to extend out of the shell, two ends of each fixed shaft are in running fit with the outer frame, the shell and the curtain type baffling ring, and one end of each fixed shaft extends out of the shell and is connected with a driving mechanism for driving the fixed shaft to rotate.

On the basis of the above scheme, preferably, the driving mechanism comprises a bracket fixed on the shell, a guide rail is fixedly mounted on the bracket, a sliding block is slidably mounted on the guide rail, the sliding block is fixedly connected with the driving source, a rack is fixedly mounted on the sliding block, and the rack is meshed with a gear fixedly mounted at the end part of the fixed shaft.

On the basis of the scheme, preferably, the number of the baffle plates is multiple, and synchronous transmission is realized between two adjacent baffle plates through chain transmission.

In addition to the above, preferably, the driving source is an air cylinder or an oil cylinder.

On the basis of above-mentioned scheme, as preferred, still include the temperature sensor who sets up in the casing, temperature sensor electric connection PLC, PLC electric connection driving source.

In addition to the above-mentioned solution, preferably, the PLC calculates an optimal impact angle of the curtain baffle plate by the data processing module according to a signal transmitted by the temperature sensor, the data processing module feeds back the optimal impact angle to the PLC, and the PLC controls the driving mechanism to drive the fixed shaft to rotate by a corresponding angle according to the feedback signal.

Compared with the prior art, the invention has the following beneficial effects:

1. the baffle plate is divided into a plurality of layers, and the original 'static' of the arch baffle plate is changed into 'dynamic' through the lap joint of the external elements of the oil cylinder, so that the heat exchange effect is improved.

2. The curtain type baffling sheets and the curtain type baffling rings are spaced and connected with the driving mechanism through the fixed shaft, and the driving shaft is used for driving the curtain type baffling sheets to rotate in real time, so that the heat exchange effect is improved.

Drawings

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

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a perspective view of the present invention;

fig. 4 is a schematic structural view of the uppermost outer frame in fig. 1.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.

As shown in fig. 1 to 4, a swing type curtain baffle plate mainly comprises a shell and a baffle plate installed in the shell, wherein the shell is a tubular shell, the baffle plate comprises a plurality of outer frames, the outer frames surround to form a circle, the function of the baffle plate is to cooperate with a tube plate to fix a heat exchange tube, the problem of difficult tube penetration is solved, in order to keep stability, the outer frames are welded with each other, the arc surface of the outer frames is welded on a curtain baffle ring 6, the curtain baffle ring is fixed in the shell, and of course, the welding can also be replaced by other modes for realizing fixed connection.

The opposite face of two adjacent outer frames has semicircular hole 2, and forms the round hole after these two adjacent outer frames are fixed and be used for cooperating the tube sheet assembly heat exchange tube.

Each outer frame is annular, a curtain type baffling sheet 3 is installed in each outer frame, a space 4 is formed between the periphery of each curtain type baffling sheet and the annular inner wall of the corresponding outer frame, a fixed shaft 5 is installed on each curtain type baffling sheet, two ends of each fixed shaft penetrate out of two opposite arc-shaped surfaces of each curtain type baffling sheet and penetrate through the corresponding outer frame to extend out of the shell, two ends of each fixed shaft are in running fit with the outer frame, the shell and the curtain type baffling ring, and one end of each fixed shaft extends out of the shell and is connected with a driving mechanism for driving the fixed shaft to rotate.

The part of the fixed shaft in the curtain baffle is preferably a square shaft which is convenient for assembly, and the curtain baffle is preferably a square hole.

The driving mechanism comprises a support 7 fixed on the shell, a guide rail 8 is fixedly installed on the support, a sliding block 9 is installed on the guide rail in a sliding mode, the sliding block is fixedly connected with an air cylinder or an oil cylinder 10, a rack 11 is fixedly installed on the sliding block, and the rack is meshed with a gear 12 fixedly installed at the end portion of the fixed shaft.

Wherein, the baffling board has a plurality ofly, realizes synchronous transmission through chain drive between two adjacent baffling boards.

Of course, the driving mechanism can also be a four-bar mechanism to realize the rotation of the fixed shaft.

When the fixing shaft is used, the rotation angle of the fixing shaft is controlled by a PLC or a CPU, the specific rotation angle can be preset, for example, the PLC measures the temperature difference between a cold medium and a heat medium at a certain point, the fixing shaft is controlled to rotate according to the difference, or only the temperature difference between the inlet and the outlet of the cold medium is measured, and the PLC controls the fixing shaft to automatically rotate by a corresponding angle according to the difference.

In addition, the PLC can also utilize the data processing module to calculate the optimal impact angle of the curtain type baffling sheet according to the transmission signal of the temperature sensor, the data processing module feeds back the optimal impact angle to the PLC, and the PLC controls the driving mechanism to drive the fixed shaft to rotate by the corresponding angle according to the feedback signal, so that the optimal heat exchange effect is achieved.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A swinging curtain baffle plate comprises a shell and a baffle plate arranged in the shell, wherein the shell is a tubular shell, and the swinging curtain baffle plate is characterized in that the baffle plate comprises a plurality of outer frames which surround to form a circle, the adjacent two outer frames are fixedly connected, the arc surface of the outer frames is fixedly arranged on a curtain baffle ring, the curtain baffle ring is fixedly arranged in the shell,

each outer frame is annular, a curtain type baffling sheet is arranged in each outer frame, a gap is formed between the periphery of each curtain type baffling sheet and the annular inner wall of the corresponding outer frame, a fixed shaft is arranged on each curtain type baffling sheet, two ends of each fixed shaft penetrate out of two opposite arc-shaped surfaces of each curtain type baffling sheet and penetrate through the corresponding outer frame to extend out of the shell, two ends of each fixed shaft are in running fit with the outer frames, the shell and the curtain type baffling rings, and one end of each fixed shaft extends out of the shell and is connected with a driving mechanism for driving the fixed shaft to rotate.

2. A swinging curtain baffle as recited in claim 1, wherein the driving mechanism comprises a bracket fixed to the housing, a guide rail fixedly mounted to the bracket, a slider slidably mounted to the guide rail, the slider fixedly coupled to the driving source, a rack fixedly mounted to the slider, the rack engaging a gear fixedly mounted to an end of the fixed shaft.

3. A swinging curtain baffle as recited in claim 2, wherein there are a plurality of baffles, and the synchronous transmission between two adjacent baffles is realized by a chain transmission.

4. A swinging curtain baffle as recited in claim 1, wherein the driving source is an air cylinder or an oil cylinder.

5. A pendulum curtain as set forth in claim 1 further comprising a temperature sensor disposed within the housing, the temperature sensor being electrically connected to the PLC, the PLC being electrically connected to the drive source.

6. A swinging curtain baffle as claimed in claim 1, wherein the PLC calculates an optimal impact angle of the curtain baffle by the data processing module according to the signal transmitted from the temperature sensor, the data processing module feeds back the optimal impact angle to the PLC, and the PLC controls the driving mechanism to drive the fixed shaft to rotate by a corresponding angle according to the feedback signal.