CN214095607U - Direct air cooling tower with self-supporting rotary air guide device - Google Patents
Direct air cooling tower with self-supporting rotary air guide device Download PDFInfo
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Abstract
The utility model discloses a direct air cooling tower with a self-supporting rotary air guide device, which comprises a hyperbolic natural ventilation tower cylinder, a direct air cooling heat exchanger and a self-supporting rotary air guide device, wherein the self-supporting rotary air guide device consists of an inner supporting plate and an outer split air guide device, the inner end of the inner supporting plate is positioned outside a connecting surface at the outer ends of two adjacent cooling columns, and the outer end is a suspension frame; the outer split air guide device is arranged on the suspension frame and is divided into 1-60 blocks along the height; the outer split air guide device can perform a flow guiding function according to the rotation of 0-60 degrees of ambient wind speed, wind direction, wind temperature and the like under the control of the actuating mechanism, and is matched with the rectification function of the inner supporting plate, and the leeward side vortex is eliminated through a gap between the outer split air guide device and the inner supporting plate, so that the cooling performance of the direct air cooling tower is improved; the layered structure of the outer split air guide device is convenient to install and maintain, and the strength can be improved; in a severe cold environment, the outer split air guide device can deflect 90 degrees in the radial direction relative to the direct air cooling tower, so that the air inlet amount is reduced, and direct air cooling circulating water is prevented from freezing.
Description
Technical Field
The utility model belongs to the direct air cooling tower field of fire nuclear power station natural draft, in particular to direct air cooling tower with rotatory wind-guiding device of self-supporting.
Background
The natural ventilation direct air cooling system utilizes the pumping action of the hyperbolic natural ventilation tower barrel to suck the ambient air so as to exchange heat with the steam turbine exhaust, the steam turbine exhaust is cooled into water, and the condensed water is pumped back to the heat regeneration system of the steam turbine through the condensing pump, so that the natural ventilation direct air cooling system has the advantages of low initial investment cost, high cooling efficiency, energy conservation, environmental protection, small maintenance workload and the like. The triangular heat exchanger is a core component of the direct air cooling tower, and the performance of the triangular heat exchanger is directly related to the economy and the stability of a direct air cooling system; the environmental wind is a main factor influencing the performance of the triangular heat exchanger, and especially, the environmental wind entering the triangular heat exchanger at a certain angle under the condition of cross wind not only can cause the ventilation quantity of the triangular heat exchanger with the side wind surface to be greatly reduced, but also can influence the uniformity of the air flow distribution in the triangular heat exchanger, even can generate air flow vortex and cause the hot air reflux phenomenon, and further reduces the cooling performance of the natural ventilation direct air cooling tower.
The Chinese application patent No. 202010663801.1 discloses a direct air cooling tower with a split rotary air guide device, which comprises a hyperbolic natural ventilation tower barrel, a direct air cooling heat exchanger and an air guide device, wherein the direct air cooling heat exchanger and the air guide device are composed of triangular heat exchangers; under the condition of environmental wind, the actuating mechanism can adjust the rotation angle of each split air guide module according to the wind direction and the wind speed of the environment of the region where the air guide device is located and the wind guide module group, so that when the triangular heat exchanger on the windward side is guided, the vortex on the leeward side of the split air guide modules is eliminated through jet flow gap jet flow, the adverse effect on the triangular heat exchanger on the leeward side is reduced, and the cooling performance of the direct air cooling tower is improved by the system; the split rotary air guide device is used for guiding the environmental wind, but each split air guide module is a whole in the height direction, and each split air guide module is relatively high in stress in a strong wind environment and relatively high in installation and control difficulty; the utility model discloses a set up the rotatory air ducting of self-supporting radially along the direct air cooling tower outside the triangle-shaped heat exchanger of direct air cooling tower, on the one hand can adapt to environment wind direction and wind speed under the ambient wind condition, adjust the direct air cooling tower through the water conservancy diversion effect of outside components of a whole that can function independently air ducting and the rectification effect system of medial branch fagging around the air flow field, improve the heat transfer performance of direct air cooling tower; on the other hand, the outer side split air guide device is layered in the height direction, so that the air guide device is convenient to install and maintain, the strength of the air guide device can be effectively improved, the adaptability of the air guide device to a strong wind environment is enhanced, and the safety and the stability of the air guide device are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problems that the cooling capacity is reduced under the condition of side wind of the natural ventilation direct air cooling tower and the existing air guide facility can not adapt to the change of the environmental wind direction in the prior art, and provides a direct air cooling tower with a self-supporting rotary air guide device, which comprises a natural ventilation tower cylinder, a direct air cooling heat exchanger and a self-supporting rotary air guide device, wherein the self-supporting rotary air guide device consists of an inner side support plate and an outer side split air guide device, the inner side support plate is arranged along the radial direction outside the direct air cooling heat exchanger, the outer end of the inner side support plate is provided with a suspension frame, the outer end split air guide device is fixed on the suspension frame through a rotating shaft, the rotation is controlled by an actuating mechanism to be 0-60 degrees according to the environmental wind direction and the wind speed of the region where the inner side support plate is positioned, the diversion effect on the environmental wind is played, the rectification effect of the inner side support plate is matched, and the air guide device passes through the gap between the outer side split air guide device and the inner side support plate, the vortex at the leeward side of the air guide device under the condition of crosswind is effectively eliminated, so that the air flow field structure around the direct air cooling tower and inside the triangular heat exchanger is improved, and the cooling performance of the direct air cooling tower is improved; in addition, under the severe cold weather condition, the outer split air guide device can rotate to be perpendicular to the radial state of the direct air cooling tower, so that the air inlet volume of the cooling triangular unit is reduced, and the cooling pipe bundle is prevented from freezing.
In order to achieve the above purpose, the technical solution of the present invention is as follows: is provided withDirect air cooling tower of rotatory air ducting of self-supporting, including natural draft tower section of thick bamboo, direct air cooling heat exchanger and the rotatory air ducting of self-supporting, its characterized in that: the natural ventilation tower barrel is of a hyperbolic structure; the direct air cooling heat exchanger consists of ndA triangular heat exchanger annularly arranged outside the tower-combining cylinder, wherein ndIs an integer and nd10-300 parts; the self-supporting rotary air guide device is arranged at intervals of n along the circumferential direction of the direct air cooling towerlA triangular heat exchanger arrangement, wherein nlIs an integer and nl＝1～n d2; the self-supporting rotary air guide device consists of an inner side supporting plate and an outer side split air guide device; the inner side supporting plates are vertically arranged on the outer side of the direct air-cooling heat exchanger along the radial direction, the inner ends of the inner side supporting plates are positioned outside the joint surface of the outer ends of the two adjacent cooling columns, and the outer ends of the inner side supporting plates are suspension frames; the outer split air guide device is arranged on a suspension frame at the outer end of the inner support plate and is divided into N pieces along the height, wherein N is an integer and N is 1-60; the outer split air guide device is provided with a rotating shaft and can be controlled by an actuating mechanism to rotate around the rotating shaft; under the influence of ambient wind, when the outer split air guide device radially deflects 0-60 degrees relative to the direct air cooling tower, the guide effect on the ambient wind is achieved; under the severe cold weather condition, after the split air guide device deflects 90 degrees relative to the radial direction of the direct air cooling tower, an air inlet shield is formed along the radial direction of the direct air cooling tower, the air inlet amount of the triangular heat exchanger can be reduced, and the direct air cooling circulating water is prevented from freezing.
The triangular heat exchanger is composed of two cooling columns which are vertically arranged at a certain included angle alpha, wherein the angle alpha is 30-60 degrees; the two cooling columns are connected through a steam distribution pipeline.
The inner side supporting plate is made of a flat plate, a corrugated plate or a ribbed plate and is externally applied to the self-supporting steel framework.
The height of the inner side supporting plate is equal to that of the triangular heat exchanger, and the width of the inner side supporting plate is equal to the width l of an air inlet of the triangular heat exchangers0.2 to 5 times of the distance d between the inner end of the cooling column and the joint surface of the outer ends of two adjacent cooling columns1D is in the range of 0 to d1≤ls。
The suspension frame is composed of cantilever beams which extend out of the inner side supporting plate and are horizontally arranged along the radial direction of the direct air cooling tower, wherein the cantilever beams positioned at the top end and the bottom end are respectively flush with the top end and the bottom end of the inner side supporting plate, and the middle cantilever beams are distributed at equal intervals in the height direction.
The outer side split air guide device is made of flat plates or corrugated plates or ribbed plates and is fixed on a suspension frame at the outer end of the inner side supporting plate through a rotating shaft.
The distance L between the inner end and the outer end of the outer side split air guide device is smaller than the minimum circumferential distance L between the rotating shafts of two circumferentially adjacent self-supporting rotating air guide devicesZ。
The rotating shaft of the outer split air guide device is positioned at the inner end and the outer end of the split air guide device or at a certain distance l from the inner end of the split air guide devicenWhere l isnIs in the range of 0<ln<L。
The actuating mechanism is an electric actuating mechanism or a pneumatic actuating mechanism or a chain transmission mechanism
When the actuating mechanism is a pneumatic actuating mechanism or an electric actuating mechanism, the actuating mechanism consists of a motor or a rotary cylinder, a transmission shaft and a driving rod, the driving rod and the outer split air guide device are provided with a driving connecting point, and the distance d from the driving connecting point to the rotary shaft2In the range of 0<d2≤lmaxWherein l ismaxThe distance l from the rotating shaft of the split air guide device to the inner endnAnd the distance l from the rotating shaft of the split air guide device to the outer endwThe larger of these; when the actuating mechanism is a chain transmission mechanism, the actuating mechanism consists of a motor, a chain and a gear, the gear is fixed on a rotating shaft of the outer side split air guide device block, and the motor drives the outer side split air guide device to rotate through the chain.
Compared with the prior art, the utility model has the advantages that: a direct air cooling tower with a self-supporting rotary air guide device comprises a natural ventilation tower barrel, a direct air cooling heat exchanger and the self-supporting rotary air guide device, wherein the self-supporting rotary air guide device consists of an inner side supporting plate and an outer side split air guide device, the inner side supporting plate is radially arranged outside the direct air cooling heat exchanger, a suspension frame is arranged at the outer end of the inner side supporting plate, the outer side split air guide device is fixed on the suspension frame through a rotating shaft, and can rotate 0-60 degrees under the control of an execution mechanism according to the ambient wind speed and the wind direction, and the flow field structure around a radiator of the direct air cooling tower is improved through the flow guide effect of the outer side split air guide device and the rectification effect of the inner side supporting plate, so that the cooling performance of the direct air cooling tower is improved; when the direct air cooling tower operates under a severe cold weather condition, the air inlet volume of the triangular heat exchanger is reduced and the direct air cooling circulating water is prevented from freezing by rotating the outer air guide device to be in a state of being radially vertical to the direct air cooling tower; on the other hand, the outer split air guide device is divided into multiple layers along the height, so that the air guide device is convenient to install and maintain, and meanwhile, the strength of the whole air guide device is improved, and the resistance of the air guide device to severe weather such as strong wind is improved.
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 a direct air cooling tower.
Fig. 2 is a top view of a direct air cooling tower structure with a self-supporting rotary air guide device.
Fig. 3 is a schematic structural view of a self-supporting rotary air guiding device.
Fig. 4 is a schematic structural view of a self-supporting rotary air guiding device using an electric actuator or a pneumatic actuator.
Fig. 5 is a schematic view of the outer side of the split air guiding device of the self-supporting rotary air guiding device deflected by 90 °.
Fig. 6 is a schematic structural view of a self-supporting rotary air guiding device adopting chain transmission.
In the figure, 1-a natural ventilation tower cylinder, 2-a direct air cooling heat exchanger, 3-a triangular heat exchanger, 4-cooling columns, 5-an outer end joint surface of an adjacent cooling column, 6-a self-supporting rotary air guide device, 7-an inner side support plate, 8-an outer side split air guide device, 9-ambient air, 10-a steam distribution pipeline, 11-a self-supporting steel framework, 12-a cantilever beam, 13-an inner side support plate inner end, 14-an inner side support plate outer end, 15-an outer side split air guide device inner end and 16-an outer side split air guide device outer end; 17-outer split air guide device rotating shaft; 18-motor or rotating cylinder, 19-drive shaft, 20-drive rod, 21-drive connection point, 22-motor, 23-chain, 24-gear.
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. 1-3, the utility model relates to a direct air cooling tower with self-supporting rotary air ducting comprises a natural ventilation tower barrel 1, a direct air cooling heat exchanger 2 and a self-supporting rotary air ducting 6, the direct air cooling heat exchanger 2 comprises 10-300 groups of triangular heat exchangers 3, each group of triangular heat exchangers 3 comprises two cooling columns 4 arranged at an included angle of 30-60 degrees, the cooling columns 4 are connected through a steam distribution pipeline 10, the self-supporting rotary air ducting 6 comprises an inner side supporting plate 7 and an outer side split air ducting 8, the inner side supporting plate 7 is vertically arranged at the outer edge of the direct air cooling heat exchanger and externally applied on a self-supporting steel framework 11, the inner end 13 of the inner side supporting plate 7 is positioned on the joint face 5 at the outer ends of two adjacent cooling columns, and the outer end 13 is provided with a suspension framework; the outer side split air guide devices 8 are arranged on a cantilever beam 12 of the suspension frame and are divided into 1-60 blocks along the height direction, and the distance L between the inner end and the outer end of each outer side split air guide device is smaller than the distance L between the rotating shafts of two adjacent split air guide devicesZThe outer split air guide device is provided with a rotating shaft 17 which is positioned at the inner end and the outer end of each split air guide device or at a certain distance l from the inner end of each split air guide devicenWhere l isnIs in the range of 0<ln<L; under the condition of ambient wind, the outer split air guide device 8 can be controlled by the execution mechanism to rotate 0-60 degrees according to the wind direction and the wind speed of the ambient wind in the region where the outer split air guide device is located, the flow field near the air inlet of the direct air cooling tower is improved, and therefore the cooling performance of the direct air cooling tower is improved.
Embodiment 1 adopts a self-supporting rotary air guiding device of an electric actuator or a pneumatic actuator.
As shown in figure 4, the self-supporting rotary air guide device 6 is arranged on the outer side of the triangular heat exchanger 3 of the natural draft direct air cooling tower and mainly comprises an inner supporting plate 7 and an outer split air guide device8, the inner side supporting plate 7 is externally coated on the self-supporting steel framework 11, and the distance between the inner end 13 of the inner side supporting plate and the connecting surface 5 of the outer end of the adjacent cooling column is d1The outer end 14 is provided with a suspension frame which is composed of a suspension beam 12, and one end of the suspension frame is fixed on the inner support plate 7; the outer split air guide device 8 is arranged on a cantilever beam 12 of the suspension frame at the outer end of the inner support plate 7; the outer split air guide device 8 is provided with a rotating shaft 17, and the rotating shaft 17 is positioned at the inner end 15 and the outer end 16 of each split air guide device 8 or at a certain distance l from the inner end of the split air guide devicenWhere l isnIs in the range of 0<ln<L (L is the distance between the inner end and the outer end of the outer side split air guide device 8); the outer split air guide device 8 can be controlled by an electric or pneumatic actuating mechanism to rotate around a rotating shaft 17 thereof; the actuating mechanism comprises a motor or a rotary cylinder 18, a transmission shaft 19 and a driving rod 20, the driving rod 20 and the outer split air guide device are provided with a driving connection point 21, and the distance d between the driving connection point 21 and the rotary shaft 172In the range of 0<d2≤lmax，lmaxThe distance l from the rotating shaft 17 to the inner end 15 of the split air guide devicenA distance l from a rotating shaft 17 of the split air guide device to an outer end 16wThe larger of them.
Under the windless condition, the outer side split air guide device of the self-supporting rotary air guide device 6 is in a state shown by a dotted line in the figure, at the moment, by means of the drawing action of the natural ventilation tower barrel 1, ambient air can enter the triangular heat exchanger 3 in a direction parallel to the outer side split air guide device 8 and the inner side support plate 7, a relatively uniform air flow field is formed inside the triangular heat exchanger 3, and a good heat exchange effect can be realized; under the condition of environmental wind, the outer split air guiding device 8 can rotate 0-60 degrees under the action of the actuating mechanism according to the wind speed and the wind direction of the environmental wind in the area where the outer split air guiding device 8 is located, for example, when the environmental wind comes from the left side shown in the figure, the outer split air guiding device 8 rotates to the state shown by a solid line in the figure, the direction of the environmental wind 9 is changed through the flow guiding action of the outer split air guiding device 8, and the environmental wind 9 enters the triangular heat exchanger 3 at a proper angle by combining the rectifying action of the inner supporting plate 7, so that the air flow field structure inside the three-machine type heat exchanger 3 is improved, and the heat exchange performance of the direct air cooling tower is improved.
As shown in fig. 5, when the direct air cooling tower operates in severe cold weather, the outer split air guiding device 8 of the self-supporting rotary air guiding device 6 can rotate to a state of radially deflecting 90 degrees relative to the direct air cooling tower under the action of the execution structure, and then the outer split air guiding devices of the circumferentially adjacent self-supporting rotary air guiding devices can be connected end to form an enclosing wall, so that the air intake of the triangular heat exchanger is reduced, the freezing of circulating water in a cooling column heat dissipation pipe bundle is prevented, and the safe and stable operation of the direct air cooling system is ensured.
As shown in fig. 6, in this embodiment, a chain transmission mechanism is used to replace an electric actuator or a pneumatic actuator in the embodiment, and the structures and the arrangement manners of the inner supporting plate 7 and the outer split air guiding device 8 are unchanged; when a chain transmission mechanism is adopted, the gear 24 is arranged on the rotating shaft 17 of the outer split air guide device and is connected through the chain 23 by the motor 22, and the outer split air guide device 8 can also rotate according to the wind speed and the wind direction of the environmental wind in the area where the outer split air guide device is located, so that the air flow field structures around the natural ventilation direct air cooling tower and in the triangular heat exchanger 3 are adjusted, and the cooling characteristic of the natural ventilation direct air cooling tower is improved.
The utility model relates to a direct air cooling tower with rotatory air ducting of self-supporting, through set up the rotatory air ducting of self-supporting around the direct air cooling tower of natural draft, according to the wind speed and the wind direction of the regional environment wind that each air ducting is located, make outside components of a whole that can function independently air ducting rotate 0~60, carry out the water conservancy diversion to the environment wind, cooperate the rectification effect of inboard backup pad, and eliminate the swirl of air ducting leeward side under the crosswind through the space between inboard backup pad and the outside components of a whole that can function independently air ducting, effectively improve the air flow field structure around the direct air cooling tower and inside the triangle-shaped heat exchanger, improve the cooling performance of direct air cooling tower; in severe cold weather, the air inlet volume of the triangular heat exchanger can be reduced and the cooling tube bundle is prevented from freezing by rotating the outer split air guide device to be vertical to the radial state of the direct air cooling tower; in addition, the self-supporting structure is adopted, and the outer split air guide device is layered along the height direction, so that the air guide device is convenient to install and maintain, the strength of the air guide device can be enhanced, the resistance of the air guide device to severe weather of strong wind is improved, and the safe and stable operation of the air guide device is ensured.
The basic principles, main features and advantages of the present invention have been shown and described above, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to 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 (10)
1. The utility model provides a direct air cooling tower with rotatory air ducting of self-supporting, includes a natural draft tower section of thick bamboo, direct air cooling heat exchanger and the rotatory air ducting of self-supporting, its characterized in that:
the natural ventilation tower barrel is of a hyperbolic structure; the direct air cooling heat exchanger consists ofn d A triangular heat exchanger annularly arranged outside the tower-combining cylinder, whereinn d Is an integer andn d =10 to 300; the self-supporting rotary air guide device is circumferentially spaced along the direct air cooling towern l A triangular heat exchanger arrangement in whichn l Is an integer andn l =1~n d 2; the self-supporting rotary air guide device consists of an inner side supporting plate and an outer side split air guide device; the inner side supporting plates are vertically arranged on the outer side of the direct air-cooling heat exchanger along the radial direction, the inner ends of the inner side supporting plates are positioned outside the joint surface of the outer ends of the two adjacent cooling columns, and the outer ends of the inner side supporting plates are suspension frames; the outer split air guide device is arranged on a suspension frame at the outer end of the inner supporting plate and is divided into a plurality of parts along the heightNA block thereinNIs an integer andN1-60; the outer split air guide device is provided with a rotating shaft and can be controlled by an actuating mechanism to rotate around the rotating shaft; under the influence of ambient wind, when the outer split air guide device radially deflects 0-60 degrees relative to the direct air cooling tower, the guide effect on the ambient wind is achieved; under the severe cold weather condition, after the split air guide device deflects 90 degrees relative to the radial direction of the direct air cooling tower, an air inlet shield is formed along the radial direction of the direct air cooling tower, the air inlet amount of the triangular heat exchanger can be reduced, and the direct air cooling circulating water is prevented from freezing.
2. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the triangular heat exchanger is composed of two triangular heat exchangers with a certain included angleαA vertically arranged cooling column, whereinα=30 ° -60 °; the two cooling columns are connected through a steam distribution pipeline.
3. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the inner side supporting plate is made of a flat plate, a corrugated plate or a ribbed plate and is externally applied to the self-supporting steel framework.
4. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the height of the inner side supporting plate is equal to that of the triangular heat exchanger, and the width of the inner side supporting plate is equal to that of an air inlet of the triangular heat exchangerl s 0.2 to 5 times of the distance between the inner end of the cooling column and the joint surface of the outer ends of two adjacent cooling columnsd 1In the range of 0 to lessd 1≤l s 。
5. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the suspension frame is composed of cantilever beams which extend out of the inner side supporting plate and are horizontally arranged along the radial direction of the direct air cooling tower, wherein the cantilever beams positioned at the top end and the bottom end are respectively flush with the top end and the bottom end of the inner side supporting plate, and the middle cantilever beams are distributed at equal intervals in the height direction.
6. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the outer side split air guide device is made of flat plates or corrugated plates or ribbed plates and is fixed on a suspension frame at the outer end of the inner side supporting plate through a rotating shaft.
7. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: outer end interval in the said outside separate body wind-guiding deviceLLess than the minimum circumferential distance between the rotating shafts of two circumferentially adjacent self-supporting rotary air guide devicesL Z 。
8. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the rotating shaft of the outer split air guide device is positioned at the inner end and the outer end of the split air guide device or at a certain distance from the inner end of the split air guide devicel n Therein is disclosedl n Is in the range of 0<l n <L。
9. The direct air cooling tower with self-supporting rotary air guide device as claimed in claim 1, wherein: the actuating mechanism is an electric actuating mechanism or a pneumatic actuating mechanism or a chain transmission mechanism.
10. According to claim 9The direct air cooling tower with the self-supporting rotary air guide device is characterized in that: when the actuating mechanism is a pneumatic actuating mechanism or an electric actuating mechanism, the actuating mechanism consists of a motor or a rotary cylinder, a transmission shaft and a driving rod, the driving rod and the outer split air guide device are provided with driving connection points, and the distance from the driving connection points to the rotary shaftd 2In the range of 0<d 2≤l max Whereinl max The distance from the rotating shaft of the split air guide device to the inner endl n The distance from the rotating shaft of the split air guide device to the outer endl w The larger of these; when the actuating mechanism is a chain transmission mechanism, the actuating mechanism consists of a motor, a chain and a gear, the gear is fixed on a rotating shaft of the outer side split air guide device block, and the motor drives the outer side split air guide device to rotate through the chain.
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| CN202022498599.XU CN214095607U (en) | 2020-11-03 | 2020-11-03 | Direct air cooling tower with self-supporting rotary air guide device |
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| CN202022498599.XU CN214095607U (en) | 2020-11-03 | 2020-11-03 | Direct air cooling tower with self-supporting rotary air guide device |
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