CN220270205U - Sand prevention device of cooling tower - Google Patents
Sand prevention device of cooling tower Download PDFInfo
- Publication number
- CN220270205U CN220270205U CN202321849412.3U CN202321849412U CN220270205U CN 220270205 U CN220270205 U CN 220270205U CN 202321849412 U CN202321849412 U CN 202321849412U CN 220270205 U CN220270205 U CN 220270205U
- Authority
- CN
- China
- Prior art keywords
- cooling tower
- shielding plate
- plate
- shutter
- air duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 239000004576 sand Substances 0.000 title claims abstract description 34
- 230000002265 prevention Effects 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model relates to a cooling tower sand prevention device which is used for forming shielding above an air duct to ensure the normal operation of a cooling tower; the air duct comprises a shutter assembly, wherein the shutter assembly is positioned above an air outlet of an air duct and comprises a frame and a plurality of shutter plates; the shutter plate is positioned in the frame and is rotatably arranged on the frame through a rotating shaft; an air flow channel is formed between two adjacent louvers, and in the vertical direction, an overlapping area exists on the adjacent side edges of the two adjacent louvers; the shutter plate comprises a main shielding plate, and a connecting part is arranged in the middle of the main shielding plate and used for connecting a rotating shaft; the lower side edge of the main shielding plate is connected with a lower shielding plate, the lower shielding plate extends to the side deviating from the air duct, and an accommodating groove is formed at the connection position of the lower shielding plate and the main shielding plate; the shutter assembly can reduce wind and sand from entering the cooling tower, protect equipment and reduce maintenance cost; ensuring the normal operation of the cooling tower.
Description
Technical Field
The utility model relates to the technical field of cooling tower equipment, in particular to a sand prevention device of a cooling tower.
Background
The cooling tower is a device that absorbs heat from the heat generating system and discharges it to the atmosphere using water as a circulating coolant to reduce the water temperature. In order to improve ventilation efficiency and reduce flow loss, the cooling tower is generally provided with an induced draft fan and an air duct at the top. Air enters the tower body through an air inlet channel at the lower part of the cooling tower and is discharged from the top of the air duct. The wind barrel of the cooling tower is open, the wind sand is large in western and regions with more wind sand, and sand and stone can enter the cooling tower equipment from the wind barrel; the equipment contains parts such as fan, receipts water ware, filler, and the grit gets into can damage fan equipment, blocks up the filler, reduces fan amount of wind etc. and the filler blocks up and can lead to the water film area to reduce to can influence the normal operating and the temperature drop of cooling tower equipment.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the cooling tower sand prevention device which can effectively prevent foreign matters such as sand and stone from entering the wind barrel and the cooling tower, and has good protection effect.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the wind and sand prevention device of the cooling tower is used for forming a shield above the air duct to ensure the normal operation of the cooling tower; the air duct comprises a shutter assembly, wherein the shutter assembly is positioned above an air outlet of an air duct and comprises a frame and a plurality of shutter plates;
the shutter plate is positioned in the frame and is rotatably arranged on the frame through a rotating shaft; an air flow channel is formed between two adjacent louvers, and in the vertical direction, an overlapping area exists on the adjacent side edges of the two adjacent louvers;
the shutter plate comprises a main shielding plate, and a connecting part is arranged in the middle of the main shielding plate and used for connecting a rotating shaft; the lower side edge of the main shielding plate is connected with a lower shielding plate, the lower shielding plate extends to the side deviating from the air duct, and a containing groove is formed at the connection position of the lower shielding plate and the main shielding plate.
As a preferred technical solution, the inner wall of the accommodating groove is coated with a buffer coating.
As a preferable technical scheme, the buffer coating is a rubber coating.
As a preferable technical scheme, the thickness of the buffer coating is gradually reduced from the middle part of the accommodating groove to the two ends.
As the preferable technical scheme, the upper side edge of the main shielding plate is sequentially connected with a connecting plate and an air deflector, and the cross section of the connecting plate is arc-shaped.
As the preferable technical scheme, the lower baffle is an arc-shaped plate, and the concave side of the lower baffle is away from the air duct.
As a preferable technical scheme, the cross section of the connecting part is arc-shaped, and the connecting part extends in the whole length direction of the shutter plate.
The cooling tower is characterized by further comprising a bracket, wherein the bracket is fixed on a platform of the cooling tower and surrounds the outer side of the air duct; the frame is fixedly connected with the bracket.
As a preferable technical scheme, the shutter assembly further comprises a control mechanism for controlling the opening angle of the shutter plate, the control mechanism comprises a crank, a connecting rod and an operating device, one end of the crank is fixedly connected with the rotating shaft, and the other end of the crank is hinged with the connecting rod; the operating device is used for pushing the connecting rod so as to drive the crank to swing.
As a preferable technical scheme, the operating device comprises a connecting seat, a rotating seat and an adjusting handle;
the connecting seat is fixed on the bracket or the frame;
the rotating seat is fixedly arranged on the connecting seat;
the adjusting handle is rotatably arranged on the rotating seat through a pin shaft; one end of the adjusting handle extends to the connecting rod and is hinged with the connecting rod;
the rotating seat is provided with a plurality of locking holes which are distributed in an arc shape by taking the pin shaft as the center; the adjusting handle is provided with a clamping hole, and when the adjusting handle rotates, the clamping hole can correspond to any locking hole; when the locking pin is inserted into the locking hole and the locking hole, the position of the adjustment handle is locked.
Due to the adoption of the technical scheme, the cooling tower sand prevention device has the following advantages:
the wind sand can be reduced from entering the cooling tower, equipment is protected, and maintenance cost is reduced; ensuring the normal operation of the cooling tower;
the shutter plate can adjust the opening angle according to the use requirement so as to adapt to different running environments.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a cooling tower sand prevention device;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is a schematic view of a blade configuration;
fig. 4 is a cross-sectional view of section B-B of fig. 3.
In the figure:
1-a bracket; 2-a cooling tower; 3-connecting rod; 4-crank; 5-an air duct;
6-shutter plates; 61-a connector plate; 62-connecting part; 63-a lower baffle; 64-wind deflector; 65-buffer coating; 66-a main shutter;
7-operating means; 71-an adjusting handle; 72-rotating a seat; 73-connecting seats; 74-locking holes;
8-frame.
Detailed Description
A cooling tower sand prevention device is shown in fig. 1, and comprises a bracket 1, wherein the bracket 1 is fixed on a platform of a cooling tower 2 and surrounds the outer side of an air duct 5. The shutter component is horizontally arranged and is shielded on the upper side of an air outlet of the air duct 5. Whether the cooling tower 2 works or not, the shutter assembly forms a shield right above the air outlet of the air duct 5, so that sand and stone are prevented from entering the cooling tower 2 from the air duct 5, and normal air outlet of the air duct 5 is not influenced. A plurality of fixing holes can be reserved on the platform and are connected with the bracket 1 through the fixing holes; the position of the bracket 1 can be changed according to the change of the wind direction in seasons, so that the optimal sand prevention effect is ensured.
The shutter assembly comprises a frame 8, a plurality of shutter plates 6 and a control mechanism for controlling the state of the shutter plates 6, wherein the frame 8 is rectangular or oblong, four corners are fixedly connected with the bracket 1, and the four corners and the bracket can be welded or connected through bolts or other connecting structures.
The shutter plate 6 is positioned in the frame 8, and is rotatably arranged on the frame 8 through a rotating shaft, and according to actual use requirements, the opening angle formed between the shutter plate 6 and the horizontal plane can be adjusted, and the opening angle is smaller than 90 degrees. When the opening angle of the louver plates 6 is maximum, overlapping areas exist on adjacent side edges of two adjacent louver plates 6 in the vertical direction, so that the louver plates 6 can be guaranteed to be in any opening angle state, shielding is formed right above the air duct 5, and sundries such as sand and stone can be effectively prevented from entering the air duct 5.
As shown in fig. 3, the shutter plate 6 includes a main shielding plate 66, and a connecting portion 62 is provided at a middle portion of the main shielding plate 66 for connecting the rotating shaft. Preferably, the cross section of the connecting portion 62 is arc-shaped, with the concave side facing the wind tunnel 5. The connecting parts 62 are at least positioned at two end parts of the shutter plate 6 and are connected with the rotating shaft; optimally, the connection portion 62 extends over the entire length of the louver 6, which contributes to the strength of the louver 6.
In use, one side of the main shield 66 is high and the other side is lower; for collecting and temporarily storing sand and dust, the lower side edge of the main shielding plate 66 is connected with a lower shielding plate 63, the lower shielding plate 63 extends to the side away from the air duct 5, and a containing groove is formed at the connection position of the lower shielding plate 63 and the main shielding plate 66. Preferably, the lower baffle 63 is an arc-shaped plate, the axis of the lower baffle 63 is parallel to the axis of the rotating shaft, the concave side surface of the lower baffle 63 faces away from the air duct 5, and sand and dust can slide into the accommodating groove to be collected.
As shown in fig. 3 and 4, in order to avoid impact on the lower baffle 63 when sand falls into the receiving groove, the wall of the receiving groove is coated with a buffer coating 65, and the buffer coating 65 may be a rubber coating or a coating of other elastic materials. The thickness of the buffer coating 65 gradually decreases from the middle part of the accommodating groove to two ends, and a slope is formed at the bottom of the accommodating groove so as to guide sand and stone to slide to two ends of the shutter plate 6, thereby facilitating later cleaning. According to the actual use condition, the bracket 1 corresponding to the end part of the shutter plate 6 can be provided with a collecting basket and the like to collect sand and stone rolling from the shutter plate 6.
The upper side edge of the main shielding plate 66 is sequentially connected with a connecting plate 61 and an air deflector 64, and the air deflector 64 is positioned on one side of the main shielding plate 66 away from the air duct 5; the cross section of the connecting plate 61 is arc-shaped, the axis of the connecting plate 61 is parallel to the axis of the rotating shaft, and the concave side faces of the connecting plate 61 are away from the wind barrel 5, so that the wind guiding surfaces of the main shielding plate 66 and the wind guiding plate 64 are smooth and smooth. In order to ensure smooth air outlet of the air duct 5, the air deflector 64 forms an included angle with the main shielding plate 66, for example, when the opening angle of the louver 6 is maximum, the air deflector 64 is in a vertical state.
The shutter plate 6 can be made of glass fiber reinforced plastic materials and is of an integral structure; namely, the main shielding plate 66, the lower shielding plate 63, the connecting plate 61 and the air deflector 64 are of an integrated structure, the strength of the shutter plate 6 is high, and the air outlet resistance is reduced. After the process is completed, a buffer coating 65 is further applied to the concave side of the lower baffle 63.
The control mechanism is used for adjusting the opening angle of the shutter plate 6, and as shown in fig. 1, the control mechanism comprises a crank 4, a connecting rod 3 and an operating device 7, one end of the crank 4 is fixedly connected with a rotating shaft and synchronously rotates with the rotating shaft, and the other end of the crank 4 is hinged with the connecting rod 3. The operating device 7, as shown in fig. 2, includes a connection seat 73, a rotation seat 72, and an adjustment handle 71. The connecting seat 73 can be fixed on the bracket 1 or the frame 8, the rotating seat 72 is fixedly arranged on the connecting seat 73, the adjusting handle 71 is rotatably arranged on the rotating seat 72 through a pin shaft, and one end of the adjusting handle 71 extends to the connecting rod 3 and is hinged with the connecting rod 3. By rotating the adjusting handle 71, the connecting rod 3 can be pushed and pulled, so that the crank 4 is driven to swing, and the opening angle of the louver board 6 is adjusted. The rotating seat 72 is provided with a plurality of locking holes 74, the plurality of locking holes 74 are distributed in an arc shape with the pin shaft as the center, and the number of the locking holes 74 can be set according to actual needs. The adjustment handle 71 is provided with a locking hole, and when the adjustment handle 71 rotates, the locking hole can correspond to any one of the locking holes 74, and when the locking pin is inserted into the locking hole and the locking hole 74, the position of the adjustment handle 71 is locked, and the opening angle of the shutter plate 6 is also locked.
When the air conditioner is used, the connecting rod 3 is controlled through the handle 71, the connecting rod 3 drives the louver plates 6 to conduct angle adjustment, sand and stones and sundries brought by wind can be collected on the side face, deviating from the air duct 5, of the louver plates 6, and after a period of time, the handle 71 can be adjusted so that the opening angle of the louver plates 6 is minimum, and therefore sundries on the upper portions of the louver plates 6 can be cleaned conveniently.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The wind and sand prevention device of the cooling tower is used for forming a shield above the air duct (5) so as to ensure the normal operation of the cooling tower (2); the method is characterized in that: the air duct comprises a shutter assembly, wherein the shutter assembly is positioned above an air outlet of an air duct (5) and comprises a frame (8) and a plurality of shutter plates (6);
the shutter plate (6) is positioned in the frame (8) and is rotatably arranged on the frame (8) through a rotating shaft; an air flow channel is formed between two adjacent louvers (6), and in the vertical direction, an overlapping area exists on the adjacent side edges of the two adjacent louvers (6);
the shutter plate (6) comprises a main shielding plate (66), and a connecting part (62) is arranged in the middle of the main shielding plate (66) and used for connecting a rotating shaft; the lower side edge of the main shielding plate (66) is connected with a lower shielding plate (63), the lower shielding plate (63) extends to the side deviating from the air duct (5), and a containing groove is formed at the connection position of the lower shielding plate (63) and the main shielding plate (66).
2. A cooling tower sand prevention apparatus as claimed in claim 1, wherein: the inner wall of the accommodating groove is coated with a buffer coating (65).
3. A cooling tower sand prevention apparatus as claimed in claim 2, wherein: the buffer coating (65) is a rubber coating.
4. A cooling tower sand prevention apparatus as claimed in claim 2, wherein: the thickness of the buffer coating (65) is gradually reduced from the middle part of the accommodating groove to the two ends.
5. A cooling tower sand prevention apparatus as claimed in claim 1, wherein: the upper side edge of the main shielding plate (66) is sequentially connected with a connecting plate (61) and an air deflector (64), and the cross section of the connecting plate (61) is arc-shaped.
6. A cooling tower sand prevention apparatus as claimed in any one of claims 1 to 5, wherein: the lower baffle (63) is an arc-shaped plate, and the concave side of the lower baffle is away from the air duct (5).
7. A cooling tower sand prevention apparatus as claimed in claim 1, wherein: the cross section of the connecting part (62) is arc-shaped, and the connecting part (62) extends in the whole length direction of the shutter plate (6).
8. A cooling tower sand prevention apparatus as claimed in claim 1, wherein: the cooling tower also comprises a bracket (1), wherein the bracket (1) is fixed on a platform of the cooling tower (2) and surrounds the outer side of the air duct (5); the frame (8) is fixedly connected with the bracket (1).
9. A cooling tower sand prevention apparatus as defined in claim 8 wherein: the shutter assembly further comprises a control mechanism for controlling the opening angle of the shutter plate (6), the control mechanism comprises a crank (4), a connecting rod (3) and an operating device (7), one end of the crank (4) is fixedly connected with the rotating shaft, and the other end of the crank is hinged with the connecting rod (3); the operating device (7) is used for pushing the connecting rod (3) so as to drive the crank (4) to swing.
10. A cooling tower sand prevention apparatus as claimed in claim 9, wherein: the operating device (7) comprises a connecting seat (73), a rotating seat (72) and an adjusting handle (71);
the connecting seat (73) is fixed on the bracket (1) or the frame (8);
the rotating seat (72) is fixedly arranged on the connecting seat (73);
the adjusting handle (71) is rotatably arranged on the rotating seat (72) through a pin shaft; one end of the adjusting handle (71) extends to the connecting rod (3) and is hinged with the connecting rod (3);
the rotating seat (72) is provided with a plurality of locking holes (74), and the plurality of locking holes (74) are distributed in an arc shape by taking the pin shaft as the center; the adjusting handle (71) is provided with a clamping hole, and when the adjusting handle (71) rotates, the clamping hole can correspond to any locking hole (74); when a locking pin is inserted into the locking hole and the locking hole (74), the position of the adjustment handle (71) is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849412.3U CN220270205U (en) | 2023-07-14 | 2023-07-14 | Sand prevention device of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849412.3U CN220270205U (en) | 2023-07-14 | 2023-07-14 | Sand prevention device of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270205U true CN220270205U (en) | 2023-12-29 |
Family
ID=89305356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321849412.3U Active CN220270205U (en) | 2023-07-14 | 2023-07-14 | Sand prevention device of cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270205U (en) |
-
2023
- 2023-07-14 CN CN202321849412.3U patent/CN220270205U/en active Active
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