CN217155041U - Air adjusting device of cooling water tower - Google Patents
Air adjusting device of cooling water tower Download PDFInfo
- Publication number
- CN217155041U CN217155041U CN202220693776.6U CN202220693776U CN217155041U CN 217155041 U CN217155041 U CN 217155041U CN 202220693776 U CN202220693776 U CN 202220693776U CN 217155041 U CN217155041 U CN 217155041U
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- Prior art keywords
- air
- adjusting plate
- cooling water
- air adjusting
- water tower
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- 239000000498 cooling water Substances 0.000 title claims abstract description 43
- 238000001816 cooling Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Air-Flow Control Members (AREA)
Abstract
The utility model provides an air adjusting device of a cooling water tower, which is applied to the technical field of the cooling water tower.A supporting frame shields an air inlet of the cooling water tower, an air inlet channel for external air flow to enter is arranged on the supporting frame, and the external air flow can enter the cooling water tower through the air inlet; the air adjusting plate can adjust the angle relative to the support frame, and the air adjusting plate can be kept positioned relative to the support frame at the set angle, so that the opening degree of the air inlet channel is adjusted, the angle of the air adjusting plate is set according to the external environment temperature, wind power and other conditions, the larger the opening angle of the air adjusting plate is, the larger the opening degree of the air inlet is, the air adjusting plate can rotate towards the outer side relative to the support frame, air flows at different angles are guided and collected into the cooling water tower by the air adjusting plate, more air flows can enter the cooling water tower, and the heat dissipation efficiency is improved; when the air adjusting plate is completely closed, outside airflow does not enter the cooling water tower any more, and the icing risk can be reduced under the condition of low ambient temperature.
Description
Technical Field
The utility model relates to a cooling tower technical field further relates to a cooling tower air register.
Background
A natural draft counter-flow wet cooling water tower is a large-scale space thin-wall opening structure and is important cold-end equipment in the thermodynamic cycle of a thermal power plant. Along with the rapid increase of the electric load in recent years, the energy is increasingly tense, and the energy-saving potential of the cooling water tower is huge.
The poor performance of the cooling water tower can increase the temperature of circulating cooling water, so that the vacuum degree of a condenser is reduced, the efficiency of a steam turbine is reduced, the coal consumption of unit power generation is increased finally, and the thermal efficiency of a power plant is affected. Taking a 350MW unit cooling water tower as an example, when the water temperature of the tower is increased by 1 ℃, the efficiency is reduced by 0.23 percent, and the standard coal consumption for power generation is increased by 0.738g (kW.h).
The cooling performance is influenced by environmental factors, particularly by ambient crosswind, and the heat dissipation requirement is difficult to meet under the condition of weak external wind power. Meanwhile, in a low-temperature environment, the water drenching in the cooling water tower is easy to freeze, so that the filler of the water tower is damaged, the production cost is increased, and the danger that people are injured by falling ice is high.
For those skilled in the art, how to improve the heat dissipation efficiency and reduce the risk of icing is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooling tower air register can promote the radiating efficiency, reduces the risk of freezing, and the concrete scheme is as follows:
a cooling water tower air adjusting device comprises a support frame and an air adjusting plate, wherein the support frame is arranged at the bottom of a cooling water tower in a surrounding manner from the outer side; the supporting frame is provided with an air inlet channel for external air flow to enter;
the air adjusting plate is rotatably connected to the supporting frame and can rotate towards the outer side relative to the supporting frame;
the air adjusting plate can be kept positioned relative to the support frame at a set angle, so that the opening degree of the air inlet channel is adjusted.
Optionally, the rotation shaft of the air adjusting plate is in a vertical direction.
Optionally, the air adjusting plates are arc-shaped plates with a central angle of 15 °, and each air adjusting plate is concave towards the inner side.
Optionally, the rotation angle of the damper plate ranges from 0 to 70 °.
Optionally, the support frame includes an inner beam, an outer beam, a connecting beam, and a vertical shaft, the inner beam is suspended and fixed around the outer wall of the cooling tower, the vertical shaft is vertically fixed to the ground, the outer beam is horizontally fixed to the top end of the vertical shaft, and two ends of the connecting beam are respectively fixed between the inner beam and the outer beam.
Optionally, a ceiling is arranged on the upper surfaces of the inner beam, the outer beam and the connecting beam.
Optionally, each of the louvers is located between two of the vertical shafts.
Optionally, the opening directions of the air adjusting plates are consistent.
Optionally, the air adjusting plate is driven by a driving motor to rotate to open and close; the PLC control system controls the rotation position of the air adjusting plate according to the monitoring data of the circulating water temperature sensor and the natural environment temperature sensor; and is remotely controlled by a remote control module.
Optionally, two adjacent air adjusting plates are driven by the same driving motor to open and close.
The utility model provides an air adjusting device of a cooling water tower, a support frame covers an air inlet arranged at the bottom of the cooling water tower from the outside in a surrounding way to shield the air inlet of the cooling water tower, an air inlet channel for external air flow to enter is arranged on the support frame, and the external air flow can enter the cooling water tower through the air inlet; the air adjusting plate is rotatably connected to the support frame, the angle of the air adjusting plate can be adjusted relative to the support frame, and the air adjusting plate can be kept positioned relative to the support frame at a set angle, so that the opening degree of the air inlet channel is adjusted, the angle of the air adjusting plate is set according to the conditions of external environment temperature, wind power and the like, the larger the opening angle of the air adjusting plate is, the larger the opening degree of the air inlet is, the air adjusting plate can rotate towards the outer side relative to the support frame, air flows at different angles are guided and collected into the cooling water tower by the air adjusting plate, more air flows can enter the cooling water tower, and the heat dissipation efficiency is improved; when the air adjusting plate is completely closed, outside airflow does not enter the cooling water tower any more, and the icing risk can be reduced under the condition of low ambient temperature.
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 a partial structure of a cooling tower air adjusting device installed in the cooling tower;
FIG. 2 is a schematic view of the damper in an open state;
fig. 3 is a schematic diagram of a control system of the cooling water tower air adjusting device.
The figure includes:
the device comprises a support frame 1, an inner beam 11, an outer beam 12, a connecting beam 13, a vertical shaft 14, a ceiling 15, an air adjusting plate 2, a driving motor 3, a circulating water temperature sensor 4, a natural environment temperature sensor 5, a PLC control system 6 and a remote control module 7.
Detailed Description
The core of the utility model is to provide a cooling tower air register can promote the radiating efficiency, reduces the risk of freezing.
In order to make those skilled in the art better understand the technical solution of the present invention, the cooling tower wind adjustment device of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The cooling water tower air adjusting device of the utility model comprises a support frame 1 and an air adjusting plate 2, which are combined with the figure 1 and are a schematic view of the local structure of the cooling water tower air adjusting device arranged in the cooling water tower; wherein A represents the cooling water tower body, B represents the water tower column. The water tower body above the water tower upright posts is supported, and airflow enters the inside of the water tower body from the space between the water tower upright posts, namely an air inlet is formed between the water tower upright posts.
The supporting frame 1 covers an air inlet arranged at the bottom of the cooling water tower in a surrounding manner from the outer side, and the supporting frame 1 shields the air inlet of the cooling water tower; support frame 1 sets up the inlet channel who is used for supplying external air current to get into, and external air current can get into cooling tower's inside from the inlet channel that support frame 1 set up.
The air adjusting plate 2 is rotatably connected to the support frame 1, the air adjusting plate 2 can be turned over relative to the support frame 1, and the air adjusting plate 2 is of a solid structure and can block or guide air flow. The air adjusting plate 2 can be kept positioned relative to the support frame 1 at a set angle, and the opening degree of the air inlet channel is adjusted. The larger the rotation angle of the air adjusting plate 2 relative to the support frame 1 is, the larger the opening degree of the corresponding air inlet channel on the support frame 1 is, and accordingly, the air flow is smoother; the smaller the rotation angle of the air adjusting plate 2 relative to the support frame 1 is, the smaller the opening degree of the corresponding air inlet channel on the support frame 1 is, and accordingly, the more the air flow is obstructed. When the turned angle of air adjusting plate 2 relative to support frame 1 is 0, air inlet channel that air adjusting plate 2 set up support frame 1 shelters from completely, and the air current can't get into cooling tower. The air adjusting plate 2 is completely closed under the condition that the temperature of the external environment is lower, so that the temperature in the cooling water tower is prevented from being further reduced, and the risk of freezing in the cooling water tower is reduced.
The wind adjusting plate 2 can rotate towards the outside relative to the supporting frame 1, namely the wind adjusting plate 2 rotates towards the direction far away from the cooling water tower when being opened. When the air adjusting plate 2 is rotated outwards and opened, external air flow blows towards the air adjusting plate 2, and the air adjusting plate 2 is guided into the cooling water tower, so that the entering amount of the external air flow is increased, and the cooling efficiency is improved.
The utility model discloses a cooling tower air adjusting device is through the size of the switching control intake of air adjusting plate 2, and air adjusting plate 2 opens and closes according to the temperature control system instruction, adjusts the actual amount of wind of air intake through the angle of air adjusting plate, reaches control cooling tower outlet water temperature under according to different ambient temperature and in economic temperature range. The utility model discloses can reduce the inside risk of freezing of cooling tower through the means that air register 2 closed completely.
On the basis of the scheme, the rotating shaft of the air adjusting plate 2 of the utility model is along the vertical direction; referring to fig. 2, the schematic diagram of the open state of the damper board 2 is shown, and the broken line of the circular arc represents the movement track of the outer end of the damper board 2. The air inlet channel that corresponds on the support frame 1 circulates the air current along the horizontal direction, and the air adjusting plate 2 can overturn around vertical pivot level.
Preferably, the utility model provides an air adjusting plate 2 is the arc of 15 for the central angle, and every air adjusting plate 2 is sunken towards the inboard, and when air adjusting plate 2 was closed completely and sheltered from the inlet channel who corresponds on the support frame 1, air adjusting plate 2's sunken direction was towards cooling tower. The air adjusting plate 2 adopts a cylindrical structure, so that the air around flows are rectified along a given angle and then smoothly enter the cooling tower, and the ventilation rate in the cooling tower is increased.
The range of the rotation angle of the air adjusting plate 2 is 0-70 degrees, when the angle of the air adjusting plate 2 is adjusted to 70 degrees at the maximum, the air temperature is more uniformly distributed, the temperature of the central area of the water tower is reduced, and the area of the high-temperature area is obviously reduced.
On the basis of any one of the above technical schemes and the mutual combination thereof, the support frame 1 of the utility model comprises an inner beam 11, an outer beam 12, a connecting beam 13 and a vertical shaft 14, wherein the inner beam 11 and the outer beam 12 are arranged in parallel and both extend along the transverse direction; inner beam 11 encloses the cooling tower outer wall and hangs fixedly, does not contact with the tower wall, prevents that the steel construction from damaging the tower wall, and inner beam 11 and outer beam 12 are respectively for the concentric circles with the cooling tower centre of a circle altogether.
The vertical shaft 14 is vertically fixed on the ground, the bottom of the vertical shaft 14 is buried and fixed on the ground, 20 cm is dug below the side of each tower foundation of the cooling water tower, the vertical shaft 14 is placed and reinforced by concrete, and 50 vertical shafts are uniformly buried and manufactured around the cooling water tower.
The outer beam 12 is fixed transversely to the top end of the vertical shaft 14 and is supported by the vertical shaft 14. The two ends of the connecting beam 13 are respectively fixed between the inner beam 11 and the outer beam 12, the direction of the connecting beam 13 is along the radius direction of the concentric circles, and the inner beam 11, the outer beam 12 and the connecting beam 13 are fixed to form a plane frame.
The ceiling 15 is arranged on the upper surfaces of the inner beam 11, the outer beam 12 and the connecting beam 13, and the ceiling 15 plays a role in shielding and preventing rainwater and the like. Each air adjusting plate 2 is positioned between two vertical shafts 14, and can completely shield an air inlet channel between the two vertical shafts 14. The ceiling 15 may take the form of a color steel plate or the like.
Specifically, the opening directions of the respective louvers 2 are uniform, and as shown in fig. 2, each louver 2 can be rotated in a clockwise direction to open toward the outside.
FIG. 3 is a schematic diagram of a control system of the wind adjusting device of the cooling water tower; the air adjusting plate 2 is driven by the driving motor 3 to realize rotation opening and closing. The PLC control system 6 controls the rotation position of the air adjusting plate 2 according to the monitoring data of the circulating water temperature sensor 4 and the natural environment temperature sensor 5, so that automatic adjustment is realized; and realizes manual adjustment through remote control by the remote control module 7. The angles of the air adjusting plates 2 can be the same or different.
Two adjacent air adjusting plates 2 are driven by the same driving motor 3 to open and close, so that the number of the driving motors is reduced. Between driving motor 3 and air register 2 can be through the quadrangle mechanism transmission of hinge type, also can be through chain drive, and these specific implementation should all be contained within the utility model discloses an within the scope of protection.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The air adjusting device of the cooling water tower is characterized by comprising a support frame (1) and an air adjusting plate (2), wherein the support frame (1) is arranged at the bottom of the cooling water tower in a surrounding manner from the outer side and covers an air inlet; the supporting frame (1) is provided with an air inlet channel for external air flow to enter;
the air adjusting plate (2) is rotatably connected to the support frame (1), and the air adjusting plate (2) can rotate towards the outer side relative to the support frame (1);
the air adjusting plate (2) can be kept positioned relative to the support frame (1) at a set angle, so that the opening degree of the air inlet channel is adjusted.
2. The cooling water tower wind adjustment device according to claim 1, characterized in that the rotation axis of the wind adjustment plate (2) is in vertical direction.
3. The cooling tower wind register according to claim 2, characterized in that the wind register plates (2) are arc plates with a central angle of 15 °, and each wind register plate (2) is concave towards the inside.
4. The cooling tower wind adjustment device according to claim 3, characterized in that the rotation angle of the wind adjustment plate (2) is in the range of 0-70 °.
5. The cooling tower wind adjustment device according to any one of claims 1 to 4, characterized in that the supporting frame (1) comprises an inner beam (11), an outer beam (12), a connecting beam (13) and a vertical shaft (14), wherein the inner beam (11) is suspended and fixed around the outer wall of the cooling tower, the vertical shaft (14) is vertically fixed on the ground, the outer beam (12) is transversely fixed on the top end of the vertical shaft (14), and two ends of the connecting beam (13) are respectively fixed between the inner beam (11) and the outer beam (12).
6. The cooling tower wind adjustment device according to claim 5, characterized in that a ceiling (15) is arranged on the upper surfaces of the inner beam (11), the outer beam (12) and the connecting beam (13).
7. The cooling tower wind conditioning device according to claim 5, wherein each of said wind conditioning plates (2) is located between two of said vertical shafts (14).
8. The cooling tower wind adjustment device according to claim 7, characterized in that the opening direction of each wind adjustment plate (2) is consistent.
9. The cooling water tower air adjusting device according to claim 7, wherein the air adjusting plate (2) is driven by a driving motor (3) to rotate to open and close; the PLC control system (6) controls the rotation position of the air adjusting plate (2) according to the monitoring data of the circulating water temperature sensor (4) and the natural environment temperature sensor (5); and is remotely controlled by a remote control module (7).
10. The cooling water tower air regulating device according to claim 9, wherein two adjacent air regulating plates (2) are driven to open and close by the same driving motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220693776.6U CN217155041U (en) | 2022-03-28 | 2022-03-28 | Air adjusting device of cooling water tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220693776.6U CN217155041U (en) | 2022-03-28 | 2022-03-28 | Air adjusting device of cooling water tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155041U true CN217155041U (en) | 2022-08-09 |
Family
ID=82697302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220693776.6U Expired - Fee Related CN217155041U (en) | 2022-03-28 | 2022-03-28 | Air adjusting device of cooling water tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217155041U (en) |
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2022
- 2022-03-28 CN CN202220693776.6U patent/CN217155041U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |