CN212962885U - Indirect air cooling tower with radial variable same-angle air guide device - Google Patents
Indirect air cooling tower with radial variable same-angle air guide device Download PDFInfo
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- CN212962885U CN212962885U CN202021446328.3U CN202021446328U CN212962885U CN 212962885 U CN212962885 U CN 212962885U CN 202021446328 U CN202021446328 U CN 202021446328U CN 212962885 U CN212962885 U CN 212962885U
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Abstract
The utility model discloses an indirect air cooling tower with a radial variable same-angle air guide device, which comprises a hyperbolic natural ventilation tower cylinder, an indirect air cooling heat exchanger and a radial variable same-angle air guide device; the indirect air-cooling heat exchanger consists of a triangular heat exchanger, the air guide device comprises an air guide module group and an execution mechanism, the air guide module group consists of vertically arranged air guide modules, each air guide module is provided with a rotating shaft, and the rotating shafts are positioned on radial extension lines of intersection points of two adjacent cooling columns; when the environment side wind exists, each wind guide device can control each wind guide module to rotate at the same angle along the radial direction of the indirect air cooling tower by the executing mechanism according to the wind direction and the wind speed of the environment wind in the area where the wind guide device is located, and the wind guide device guides the environment wind, so that the adverse effect of the environment side wind on the thermal performance of the indirect air cooling tower is weakened, the flow field structures around the indirect air cooling tower and inside the triangular heat exchanger are improved, the intake of the triangular heat exchanger of the indirect air cooling tower is increased, and the cooling performance of the indirect air cooling tower is improved.
Description
Technical Field
The utility model belongs to the indirect air cooling field of fire nuclear power station, in particular to take indirect air cooling tower of radial variable same angle air ducting.
Background
In order to solve the contradiction of rich coal and water shortage, the indirect air cooling generator set is widely applied in the 'three north area' of China, an indirect air cooling tower is an important component of an indirect air cooling system, and the cooling performance of the indirect air cooling tower is directly related to the economy of the indirect air cooling generator set; in the 'three north' area, the wind direction and the wind speed of environmental wind have important influence on the flow heat transfer performance of the indirect air cooling tower, and particularly the interference on the flow field characteristic and the cooling performance of an indirect air cooling system is the most serious; the uniformity of cooling air flow at an air inlet of the air cooling tower can be seriously disturbed by environmental wind, and the non-uniformity of the air flow can greatly reduce the cooling capacity of the radiator and influence the safe and stable operation of an indirect air cooling system.
Chinese application patent, application number: 201110391239.2, discloses an external environmental wind guiding device of a vertically arranged air-cooled radiator of an indirect air-cooled system, which is composed of 6 guiding flat plates uniformly arranged on the periphery of the windward side of the air-cooled radiator in a fan shape, the heights of all the guiding flat plates are equal, the tops of the guiding flat plates are parallel to the upper edge of a cooling triangle of the air-cooled radiator, the widths of the guiding flat plates are designed according to the rule that the guiding flat plates are sequentially decreased from the far end of a wind field to the near end, and the guiding flat plates keep a certain same distance with the inlet face of the cooling triangle of the air; the invention can lead the approximately parallel flowing transverse wind blown from the head-on side of the air cooling radiator to enter the air cooling radiator in the direction approximately perpendicular to the inlet surface of the cooling triangle after the guide of the guide flat plate, and improve the heat dissipation performance of the air cooling radiator to a certain extent, but the guide device is fixed outside the air cooling radiator and can not adapt to the change of the environmental wind direction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the indirect air cooling tower cooling performance that prior art still exists and influenced seriously and indirect air cooling air ducting facility can not adapt to the environment wind direction by the environment wind, the problem of wind speed change, an indirect air cooling tower of taking radial variable same angle air ducting is provided, arrange the air ducting of radial variable same angle outside indirect air cooling tower, when the environment crosswind exists, the adaptable environment wind of air ducting is to, the change of wind speed, make each air guide module along radial rotatory same angle, increase the intake of indirect air cooling tower triangle-shaped radiator, weaken the influence of environment crosswind to indirect air cooling tower thermodynamic performance, improve the cooling performance of indirect air cooling tower.
In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model provides an indirect air cooling tower of radial variable same angle air ducting in area, includes the air ducting of a natural draft tower section of thick bamboo, indirect air cooling heat exchanger and variable same angle, its characterized in that: the natural ventilation tower barrel is of a hyperbolic structure; the indirect air-cooling heat exchanger is annularly arranged from the outside of the tower barreln d A group of triangular heat exchangers, whereinn d Is an integer andn d =10 to 300; the air guide device is arranged on the outer side of the triangular heat exchanger and is spaced along the circumferential direction of the indirect air cooling towern l A triangular heat exchanger arrangement in whichn l =1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18; the wind guide device is composed ofn z An air guide module group and an actuating mechanism thereof, whereinn z =1, 2, 3, 4, 5, 6, 7, 8; the air guide module group consists of air guide modules; the air guide modules are sequentially and vertically arranged outwards along the radial direction of the indirect air cooling tower, wherein the inner end of the air guide module close to the triangular heat exchanger is positioned on a radial extension line of the intersection point of two adjacent cooling columns; the number of the air guide modules in the air guide module group ism，m=1, 2, 3, 4, 5, 6, 7, 8; the wind guide modules are all provided withA rotating shaft; each air guide module in the same air guide device is controlled to rotate by the same actuating mechanism through a driving rod; the driving rod and the air guide module are provided with an air guide module driving connection point; and the distances from the driving connection points of the air guide modules to the rotating shafts of the same air guide device are the same.
The triangular heat exchanger is composed of two cooling columns which are vertically arranged in a triangular shape, and the bottom of each cooling column is provided with a cooling water inlet and a cooling water outlet which are respectively connected with a water inlet pipeline and a water return pipeline of the indirect air cooling system.
The air guide module is made of a flat plate or a corrugated plate or a ribbed plate with vent holes, and the aperture of each vent hole is gradually reduced from one side close to the triangular heat exchanger to the outside.
The air guide module is fixed by a steel structure frame, the upper end face and the lower end face of the frame are respectively coplanar with the top face and the bottom face of the cooling triangle, and the inner end part of the frame is fixed on the outer side of the triangle heat exchanger.
The wind guide module rotating shaft is positioned on a radial extension line of the intersection point of two adjacent cooling columns, and two ends of the wind guide module rotating shaft are fixed on the steel structure frame through bearings.
The positions of the rotating shafts of the air guide modules on each air guide module are the same, and the rotating shafts are positioned at the inner end and the outer end of the air guide module or at a certain distance from the inner end of the air guide modulel n Therein is disclosedl n In the range of 0<l n <L，LThe distance between the inner end and the outer end of the wind guide module.
The air guide module is divided into 1-5 layers in the vertical direction.
The positions of the driving connection points of the air guide modules on each air guide module are the same, and the inner ends and the outer ends of the air guide modules, which are not provided with rotating shafts, or the positions of the driving connection points of the air guide modules, which are away from the rotating shafts of the air guide modules by a certain distance are arranged at the inner ends and the outerdAt a position wheredIn the range of 0<d≤l max ，l max The distance from the rotating shaft of the wind guide module to the inner endl n And the distance from the rotating shaft of the air guide module to the outer endl w The larger of them.
And all the air guide modules in the same air guide device rotate at the same angle.
The rotation angle of the air guide modules is determined by the relative position of the indirect air cooling tower where the air guide device is located, the wind speed and the wind direction at the position, the air guide modules in the air guide device on the windward side rotate by 0 degree, the rotation angles of the air guide modules in the air guide device on the tower side from the windward side are sequentially increased, and the rotation angles of the air guide modules in the air guide device on the tower side to the leeward side are sequentially decreased.
Compared with the prior art, the utility model has the advantages that: an indirect air cooling tower with a radial variable same-angle air guide device comprises a natural ventilation tower barrel, an indirect air cooling heat exchanger and the air guide device with the radial variable same angle, wherein the air guide device is arranged on the outer side of the indirect air cooling heat exchanger along the circumferential direction of the indirect air cooling tower, when ambient side wind exists, the air guide device can adjust air guide modules to rotate at the same angle along the radial direction according to the ambient wind direction and the wind speed of the area where the air guide device is located, an air flow field around the indirect air cooling tower is adjusted through the combined action of the air guide devices, the air intake of a triangular radiator of the indirect air cooling tower is increased to the maximum degree, the influence of the ambient side wind on the thermal performance of the indirect air cooling tower is weakened, and the cooling.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting implementations with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an indirect air cooling tower with a radial variable same-angle air guide device.
Fig. 2 is a schematic structural view of the air guiding device with the rotating shaft of the air guiding module located at the inner end of the air guiding module.
Fig. 3 is a schematic structural view of the air guiding device with the rotating shaft of the air guiding module located at a certain position in the middle of the air guiding module.
Fig. 4 is a schematic structural view of the air guiding device with the rotating shaft of the air guiding module located at the outer end of the air guiding module.
Fig. 5 is a schematic structural diagram of the air guiding device in which the rotation axis of the air guiding module is located on the radial extension line of the inner intersection point of two adjacent cooling columns.
In the figure: 1-a natural ventilation tower; 2-indirect air cooling heat exchanger; 3-a triangular heat exchanger; 4-cooling the column; 5-an air guide device; 6-wind guide module group; 7-ambient wind; 8-outer intersection points of adjacent cooling columns; 9-inner intersection points of adjacent cooling columns; 10-a wind guide module; 11-inner end of wind guide module; 12-the outer end of the air guide module; 13-a wind guide module rotating shaft; 14-electric motor or rotary cylinder; 15-a drive shaft; 16-a drive rod; 17-air guide module driving connection point.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention is further explained by combining with the following embodiments.
As shown in fig. 1-5, the utility model relates to an indirect air cooling tower with a radially variable same angle air guide device, which comprises a natural ventilation tower barrel 1 with a hyperbolic structure, an indirect air cooling heat exchanger 2 and a radially variable same angle air guide device 5, wherein the indirect air cooling heat exchanger is composed of 10-300 groups of tower barrels, and a triangular heat exchanger 3 annularly arranged outside the tower barrels, and the air guide device 5 is arranged outside the triangular heat exchanger 3 and is equally spaced along the circumferential direction of the indirect air cooling tower; the air guide device 5 consists of 1-8 air guide module groups 6 and an execution mechanism thereof, the air guide module groups 6 consist of air guide modules 10, the air guide modules 10 are sequentially and vertically arranged outwards along the radial direction of the indirect air cooling tower, wherein the inner ends 11 of the air guide modules close to the triangular heat exchanger 3 are positioned on the radial extension line of the intersection point of the two adjacent cooling columns 4; the air guide modules 10 are provided with rotating shafts, each air guide module 10 in the same air guide device 5 is controlled to rotate by a motor or a rotating cylinder 14 of the same actuating mechanism through a transmission shaft 15 and a driving rod 16, the driving rod 16 and the air guide module 10 are provided with an air guide module driving connection point 17, and the distances from each air guide module driving connection point 17 to the respective rotating shafts 13 in the same air guide device 5 are the same; under the condition of ambient wind, each air guide module 10 in the windward air guide device 5 rotates by 0 degree, the rotation angles of the air guide modules 10 of the windward air guide device 5 are sequentially increased from the windward side to the tower side, and the rotation angles of the air guide modules 10 of the windward air guide device 5 are sequentially decreased from the tower side to the leeward side.
Embodiment 1 the wind guide module rotation axis is located wind guide module inner and arranges on the radial extension line of the outer intersection point of adjacent cooling post.
As shown in fig. 2, the wind guide module rotating shaft 13 is located at the inner end of each wind guide module 10, each wind guide module rotating shaft 13 is located on a radial extension line of the outer intersection point 8 of two adjacent cooling columns, the wind guide module driving connection point 7 is located in the middle of the wind guide module 10, and the wind guide module 10 close to the triangular heat exchanger is fixed at the end face of the outer intersection point of two adjacent cooling columns; under the condition of ambient wind, the wind guide module 10 at the outer side of the triangular heat exchanger 3 of the windward sector is in a state shown by a solid line in the figure, the wind direction is parallel to the wind guide module 10, the ambient wind can enter the triangular heat exchanger 3 at an approximately vertical angle, and flow fields at two sides in the triangular heat exchanger 3 are distributed uniformly under the condition; in other areas except the windward side of the indirect air cooling tower, the air guide device 5 can enable each air guide module 10 to rotate for a certain angle around a rotating shaft 13 of the air guide module according to the wind direction of the area where the air guide module is located, so that the ambient wind is deflected, the effect of guiding the ambient wind is achieved, and the air flow distribution of each radiator around the indirect air cooling tower is uniform; when the wind direction of the area where the wind guide module group is located is the left wind in the figure, the electric actuating mechanism or the pneumatic actuating mechanism can drive the wind guide modules 10 to rotate at the same angle through the transmission shaft 15 and the driving rod 16 in the motor or the rotating cylinder 14, so that the environmental wind 7 enters the triangular heat exchangers 3 through the wind guide device 5 area in the track shown in the figure, the air inlet amount and the air flow distribution of the triangular heat exchangers are adjusted, and the integral heat dissipation capacity of the indirect air cooling tower is enhanced.
As shown in fig. 3, the wind guide module rotating shaft 13 is located in the middle of each wind guide module 10, each wind guide module rotating shaft 13 is located on a radial extension line of the outer intersection point 8 of two adjacent cooling columns, the wind guide module driving connection point 7 is located near the outer end point of the wind guide module 10, the wind guide module 10 close to the triangular heat exchanger is fixed at the end face of the outer intersection point of two adjacent cooling columns, and the wind guide module driving connection point 17 on each wind guide module 10 is at the same distance from the rotating shaft 13; under the condition of ambient wind, each air guide module 10 in the air guide device 5 in the windward side area is maintained as it is (solid line position); the air guide device on the tower side or the leeward side of the indirect air cooling tower adjusts the rotation angle and the direction of each air guide module 10 through a transmission shaft 15 and a driving rod 16 by a motor or a rotating cylinder 14 according to the wind speed and the wind direction of the environmental wind in the area where the air guide device is located, and the environmental wind enters the triangular heat exchanger 3 in the direction approximately perpendicular to the air inlet direction of the triangular heat exchanger 3 through the flow guide effect of the air guide device 5, so that the air flow field structure in the triangular heat exchanger is adjusted, and the heat exchange performance of the air flow field structure is enhanced.
As shown in fig. 4, the air guide module rotating shaft 13 is located at the outer end of each air guide module 10, each air guide module rotating shaft 13 is located on the radial extension line of the outer intersection point 8 of two adjacent cooling columns, the air guide module driving connection point 7 is located in the middle of the air guide module 10, and the air guide module 10 close to the triangular heat exchanger is fixed on the end surface of the outer intersection point of two adjacent cooling columns; under the condition of ambient wind, according to the wind direction and the wind speed of the ambient wind in the area where the wind guide device 5 is located, the rotation angle and the direction of each wind guide module 10 are adjusted by the motor or the rotating cylinder 14 through the transmission shaft 15 and the driving rod 16, so that the ambient wind enters the triangular heat exchanger 3 at a proper angle, the air flow field structures around and in the triangular heat exchanger are adjusted, and the cooling performance of the indirect air cooling tower is improved.
In embodiment 4, the rotating shafts of the air guide modules are arranged on radial extension lines of inner intersection points of adjacent cooling columns, and each two triangular heat exchangers correspond to one air guide module group.
As shown in fig. 5, the rotary shaft 13 of the air guide module in this structure is located on the radial extension line of the intersection point 9 between two adjacent cooling columns of the triangular heat exchanger 3, and a group of air guide module groups 6 is arranged outside each two triangular heat exchangers 3, and each air guide module 10 can be controlled by the motor or rotary cylinder 15 of the electric actuator or pneumatic actuator to rotate around the respective rotary shaft 13 through the transmission shaft 16 and the driving rod 17; compared with the embodiment 1-3, the air guide device with the structure has the advantages that the air guide device can not only realize the flow guide of environmental wind, but also play a certain flow equalizing role, can balance the ventilation quantity of the cooling columns 4 on two sides in the triangular heat exchanger 3, and further improves the cooling effect.
The utility model relates to a take radial variable same angle air ducting's indirect air cooling tower, through the air ducting that sets up radial variable same angle outside indirect air cooling tower, when the environment crosswind exists, this air ducting can be according to its regional environment wind direction of locating, each wind guiding module of wind speed adjustment is along radial rotatory same angle, adjust the air flow field around the indirect air cooling tower through each air ducting's combined action, the maximize increases the triangle-shaped radiator intake of indirect air cooling tower, weaken the influence of environment crosswind to indirect air cooling tower thermodynamic property, improve indirect air cooling tower's cooling performance.
The basic principles, essential features and advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather is capable of being embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an indirect air cooling tower of radial variable same angle air ducting in area, includes the air ducting of a natural draft tower section of thick bamboo, indirect air cooling heat exchanger and variable same angle, its characterized in that:
the natural ventilation tower barrel is of a hyperbolic structure; the indirect air cooling heat exchanger is n annularly arranged outside the tower barreldA group of triangular heat exchangers, wherein ndIs an integer and nd10-300 parts; the triangular heat exchanger consists of two cooling columns which are vertically arranged in a triangular shape, and the bottom of each cooling column is provided with a cooling water inlet and a cooling water outlet which are respectively connected with a water inlet pipeline and a water return pipeline of the indirect air cooling system; the air guide device is arranged on the outer side of the triangular heat exchanger and is spaced by n along the circumferential direction of the indirect air cooling towerlA triangular heat exchanger arrangement, wherein nl1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18; the wind guide device consists of nzEach air guide module group and an actuating mechanism thereof, wherein nz1, 2, 3, 4, 5, 6, 7, 8; the air guide module group consists of air guide modules; the air guide modules are sequentially and vertically arranged outwards along the radial direction of the indirect air cooling tower, wherein the inner end of the air guide module close to the triangular heat exchanger is positioned on a radial extension line of the intersection point of two adjacent cooling columns; the number of the air guide modules in the air guide module group is m, and m is 1, 2, 3, 4, 5, 6, 7 and 8; the air guide modules are provided with rotating shafts, and the air guide modules in the same air guide device are controlled to rotate by the same actuating mechanism through a driving rod; the rotating shaft of the air guide module is positioned on a radial extension line of the intersection point of two adjacent cooling columns, the position of the rotating shaft on each air guide module is the same, and the rotating shaft is positioned at the inner end and the outer end of the air guide module or at a certain distance l from the inner end of the air guide modulenWhere l isnIn the range of 0<ln<L is the distance between the inner end and the outer end of the air guide module; the driving rod and the air guide module are provided with air guide module driving connection points, and the distances from the air guide module driving connection points to respective rotating shafts in the same air guide device are the same.
2. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: the air guide module is made of a flat plate or a corrugated plate or a ribbed plate with vent holes, and the aperture of each vent hole is gradually reduced from one side close to the triangular heat exchanger to the outside.
3. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: the air guide module is fixed by a steel structure frame, the upper end face and the lower end face of the frame are respectively coplanar with the top face and the bottom face of the cooling triangle, and the inner end part of the frame is fixed on the outer side of the triangle heat exchanger.
4. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: the air guide module is divided into 1-5 layers in the vertical direction.
5. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: the positions of the driving connection points of the air guide modules on each air guide module are the same, and the driving connection points of the air guide modules are arranged at the inner end and the outer end of the air guide module where no rotating shaft is arranged or at the position d away from the rotating shaft by a certain distance, wherein the range of d is 0<d≤lmax，lmaxIs the distance l from the rotating shaft to the inner end of the air guide modulenAnd the distance l from the rotating shaft to the outer end of the air guide modulewThe larger of them.
6. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: and all the air guide modules in the same air guide device rotate at the same angle.
7. The indirect air cooling tower with the radially variable same-angle air guide device as claimed in claim 1, wherein: the rotation angle of the air guide modules is determined by the relative position of the indirect air cooling tower where the air guide device is located, the wind speed and the wind direction at the position, the air guide modules in the air guide device on the windward side rotate by 0 degree, the rotation angles of the air guide modules of the air guide devices on the tower side from the windward side are sequentially increased, and the rotation angles of the air guide modules of the air guide devices on the tower side to the leeward side are sequentially decreased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021446328.3U CN212962885U (en) | 2020-07-21 | 2020-07-21 | Indirect air cooling tower with radial variable same-angle air guide device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021446328.3U CN212962885U (en) | 2020-07-21 | 2020-07-21 | Indirect air cooling tower with radial variable same-angle air guide device |
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| CN212962885U true CN212962885U (en) | 2021-04-13 |
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| CN202021446328.3U Active CN212962885U (en) | 2020-07-21 | 2020-07-21 | Indirect air cooling tower with radial variable same-angle air guide device |
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