CN112815743B - An air cooling tower with a cross-shaped rectifier inside - Google Patents
An air cooling tower with a cross-shaped rectifier inside Download PDFInfo
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- CN112815743B CN112815743B CN202110177210.8A CN202110177210A CN112815743B CN 112815743 B CN112815743 B CN 112815743B CN 202110177210 A CN202110177210 A CN 202110177210A CN 112815743 B CN112815743 B CN 112815743B
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- rectifier module
- rectifier
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- module
- cooling tower
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- 238000001816 cooling Methods 0.000 title claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 7
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000008397 galvanized steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000002411 adverse Effects 0.000 abstract description 10
- 239000000498 cooling water Substances 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/228—Oblique partitions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明公开了一种内部带米字形整流装置的空冷塔，包括塔筒、散热器和米字形装置，米字形装置沿空冷塔周向分为第1、第2、第3、第4、第5、第6、第7和第8整流模块，第1和第5、第3和第7整流模块通过连接装置连接构成十字墙结构，第2、第4、第6和第8整流模块内端与空冷塔中心有一定径向间距，各整流模块外端与散热器内圈有一定的径向间距；本发明基于米字形装置，即可减少迎风侧进塔空气对背风区域进风的横向冲击，增大背风侧进风量，相对于传统十字墙又可减少迎风侧进塔空气的横向流动，引导空气向上流动，起到塔内整流作用；同时，整流模块内端间隔留有间距起到均压作用，减少整流装置阻挡导致迎风侧半塔压力增大对进风的不利影响。
The invention discloses an air cooling tower with a cross-shaped rectifying device inside, comprising a tower tube, a radiator and a cross-shaped device, wherein the cross-shaped device is divided into a first, a second, a third, a fourth, a fifth, a sixth, a seventh and an eighth rectifying module along the circumference of the air cooling tower, the first and the fifth, the third and the seventh rectifying modules are connected by a connecting device to form a cross wall structure, the inner ends of the second, the fourth, the sixth and the eighth rectifying modules are spaced radially apart from the center of the air cooling tower, and the outer ends of each rectifying module are spaced radially apart from the inner circle of the radiator; based on the cross-shaped device, the invention can reduce the lateral impact of the air entering the tower on the leeward area on the air entering the leeward area, increase the air intake on the leeward side, and reduce the lateral flow of the air entering the tower on the windward side compared with the traditional cross wall, guide the air to flow upward, and play a rectifying role in the tower; at the same time, the inner ends of the rectifying modules are spaced apart to play a pressure equalizing role, thereby reducing the adverse effect of the increase in the pressure of the windward half tower due to the obstruction of the rectifying device on the air intake.
Description
Technical Field
The invention belongs to the field of air cooling towers of fire/nuclear power stations, and particularly relates to an air cooling tower with a rice-shaped rectifying device inside.
Background
Air and cooling water carry out indirect heat exchange in the air cooling tower radiator, realize the cooling treatment of circulating cooling water, the radiator is the core subassembly of air cooling tower, its stability and high efficiency have decided the cooling efficiency of air cooling tower, when the air cooling tower meets the strong wind weather, the outer windward side air of tower passes through the radiator with higher wind speed, the air that transversely flows produces adverse effect to the heat exchange of leeward side radiator this moment, leeward side cooling water's play tower temperature improves, the cooling performance of air cooling tower has been reduced.
Chinese application patent application number 201710480509.4 discloses an indirect air cooling tower, includes: the guide plates comprise eight inner guide plates and eight outer guide plates, the eight inner guide plates are uniformly connected to the guide surfaces along the circumferential direction, the eight outer guide plates and the eight inner guide plates are arranged outside the tower body along the circumferential direction in one-to-one correspondence, and channels for communicating the guide surfaces are formed between two adjacent outer guide plates and two adjacent inner guide plates; according to the invention, the central flow guide piece is used for blocking the air inlet of the windward side, so that the adverse effect of the air inlet of the windward side on other sides is weakened, and the ventilation quantity in the air cooling tower is increased, thereby weakening the adverse effect of the environmental wind on the operation of the indirect air cooling system; in the invention, the pressure in the windward side tower is increased due to the existence of the central flow guide piece, so that the windward side resistance is overlarge, adverse effects are generated on the windward side air inlet, and the cooling performance of the indirect air cooling tower is influenced; the invention is based on the Chinese character 'mi' shape device, which can reduce the transverse impact of the air entering the wind side tower to the wind inlet of the leeward region, increase the wind inlet of the leeward side tower, reduce the transverse flow of the air entering the wind side tower relative to the traditional cross wall, guide the air to flow upwards, and play a role of rectifying in the tower; meanwhile, the inner ends of the rectifying modules are spaced at intervals to play a role in equalizing pressure, so that adverse effects on air inlet caused by pressure increase of the windward side half tower due to blocking of the rectifying devices are reduced.
Disclosure of Invention
The invention aims to overcome the adverse effect of air of a windward side tower on the cooling performance of a leeward side radiator when the ambient wind speed is high, and provides an air cooling tower with a meter-shaped rectifying device inside, which comprises a tower barrel, a radiator and a meter-shaped device; the radiator is vertically arranged along the circumferential direction outside the air cooling tower, and the rice-shaped device is divided into a 1 st rectifying module, a2 nd rectifying module, a3 rd rectifying module, a 4 th rectifying module, a 5 th rectifying module, a 6 th rectifying module, a 7 th rectifying module and an 8 th rectifying module along the circumferential direction of the air cooling tower; the 1 st rectifying module is tightly connected with the 5 th rectifying module, the 3 rd rectifying module is tightly connected with the 7 th rectifying module through a connecting device to form a cross wall structure, the 2 nd rectifying module, the 4 th rectifying module, the 6 th rectifying module and the 8 th rectifying module are in certain radial intervals with the center of the air cooling tower, and the 1 st rectifying module, the 2 nd rectifying module, the 3 rd rectifying module, the 4 th rectifying module, the 5 th rectifying module, the 6 th rectifying module, the 7 th rectifying module and the 8 th rectifying module are in certain radial intervals with the inner ring of the radiator; the invention is based on the Chinese character 'mi' shape device, which can reduce the transverse impact of the air entering the wind side tower to the wind inlet of the leeward region, increase the wind inlet of the leeward side tower, reduce the transverse flow of the air entering the wind side tower relative to the traditional cross wall, guide the air to flow upwards, and play a role of rectifying in the tower; meanwhile, the inner ends of the rectifying modules are spaced at intervals to play a role in equalizing pressure, so that adverse effects on air inlet caused by pressure increase of the windward side half tower due to blocking of the rectifying devices are reduced.
In order to achieve the above object, the present invention has the following technical scheme.
The utility model provides an inside take rice font fairing's air cooling tower, includes a tower section of thick bamboo, radiator and rice font device, its characterized in that: the tower cylinder is of a hyperbolic structure; the radiator is vertically arranged outside the air cooling tower along the circumferential direction; the device is divided into a 1 st rectifying module, a 2 nd rectifying module, a 3 rd rectifying module, a 4 th rectifying module, a 5 th rectifying module, a 6 th rectifying module, a 7 th rectifying module and an 8 th rectifying module along the circumferential direction of the air cooling tower; the 1 st rectifying module is tightly connected with the 5 th rectifying module, the 3 rd rectifying module is tightly connected with the 7 th rectifying module through a connecting device to form a cross wall structure; the inner ends of the 2 nd rectifying module, the 4 th rectifying module, the 6 th rectifying module and the 8 th rectifying module are radially spaced from the center of the air cooling tower; the outer ends of the 1 st rectifying module, the 2 nd rectifying module, the 3 rd rectifying module, the 4 th rectifying module, the 5 th rectifying module, the 6 th rectifying module, the 7 th rectifying module and the 8 th rectifying module are radially spaced from the inner ring of the radiator.
The 1 st rectifying module is vertically arranged along the local summer dominant wind direction of the air cooling tower; the 2 nd rectifying module is vertically arranged in the direction that the 1 st rectifying module rotates 45 degrees clockwise in the circumferential direction; the 3 rd rectifying module is vertically arranged in the direction that the 1 st rectifying module circumferentially rotates clockwise by 90 degrees; the 4 th rectifying module is vertically arranged in a direction of rotating 135 degrees clockwise along the circumference of the 1 st rectifying module; the 5 th rectifying module is vertically arranged in a direction that the 1 st rectifying module circumferentially rotates 180 degrees clockwise; the 6 th rectifying module is vertically arranged in the direction of rotating 225 degrees clockwise along the circumference of the 1 st rectifying module; the 7 th rectifying module is vertically arranged in a direction of rotating 270 degrees clockwise along the circumference of the 1 st rectifying module; the 8 th rectifying module is vertically arranged in the direction of clockwise rotation 315 degrees of the circumference of the 1 st rectifying module; the heights of the 1 st rectifying module, the 2 nd rectifying module, the 3 rd rectifying module, the 4 th rectifying module, the 5 th rectifying module, the 6 th rectifying module, the 7 th rectifying module and the 8 th rectifying module are equal, the height is 0.7H-1.2H, and the H is the height of the radiator.
When the desulfurization and denitrification tower is placed in the center of the air cooling tower, the connection devices at the inner ends of the 1 st rectifying module, the 3 rd rectifying module, the 5 th rectifying module and the 7 th rectifying module are desulfurization and denitrification towers.
When the desulfurization and denitrification tower is not placed in the center of the air cooling tower, the connecting devices at the inner ends of the 1 st rectifying module, the 3 rd rectifying module, the 5 th rectifying module and the 7 th rectifying module are rectifying plates.
The 1 st rectifier module, the 2 nd rectifier module, the 3 rd rectifier module, the 4 th rectifier module, the 5 th rectifier module, the 6 th rectifier module, the 7 th rectifier module, the 8 th rectifier module comprises the support steel framework and the covering that vertically arrange, and the covering is vertically laid in support steel framework both sides.
The rectifying plate consists of a supporting steel framework and a skin which are vertically arranged, and the skin is vertically paved on two sides of the supporting steel framework.
The skin is an aluminum plate, a galvanized steel plate, a plastic steel plate or a color steel plate.
The radial distance between the inner ends of the 2 nd rectifying module, the 4 th rectifying module, the 6 th rectifying module and the 8 th rectifying module and the center of the air cooling tower is L n, wherein 0< L n≤Rt*2/3,Rt is the radius of an air inlet of the air cooling tower.
The radial distance between the outer end of the 1 st rectifying module, the 2 nd rectifying module, the 3 rd rectifying module, the 4 th rectifying module, the 5 th rectifying module, the 6 th rectifying module, the 7 th rectifying module and the 8 th rectifying module and the inner ring of the radiator is L f, wherein L f is more than or equal to 0 and less than or equal to R/5, and R is the radius of the inner ring of the radiator at the bottom of the air cooling tower.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides an inside take rice font fairing's air cooling tower, includes a tower section of thick bamboo, radiator and rice font device, its characterized in that: the tower cylinder is of a hyperbolic structure; the radiator is vertically arranged outside the air cooling tower along the circumferential direction; the device is divided into a1 st rectifying module, a2 nd rectifying module, a 3 rd rectifying module, a 4 th rectifying module, a 5 th rectifying module, a 6 th rectifying module, a 7 th rectifying module and an 8 th rectifying module along the circumferential direction of the air cooling tower; the 1 st rectifying module is tightly connected with the 5 th rectifying module, the 3 rd rectifying module is tightly connected with the 7 th rectifying module through a connecting device to form a cross wall structure; the inner ends of the 2 nd rectifying module, the 4 th rectifying module, the 6 th rectifying module and the 8 th rectifying module are radially spaced from the center of the air cooling tower; the outer ends of the 1 st rectifying module, the 2 nd rectifying module, the 3 rd rectifying module, the 4 th rectifying module, the 5 th rectifying module, the 6 th rectifying module, the 7 th rectifying module and the 8 th rectifying module are radially spaced from the inner ring of the radiator; the invention is based on the Chinese character 'mi' shape device, which can reduce the transverse impact of the air entering the wind side tower to the wind inlet of the leeward region, increase the wind inlet of the leeward side tower, reduce the transverse flow of the air entering the wind side tower relative to the traditional cross wall, guide the air to flow upwards, and play a role of rectifying in the tower; meanwhile, the inner ends of the rectifying modules are spaced at intervals to play a role in equalizing pressure, so that adverse effects on air inlet caused by pressure increase of the windward side half tower due to blocking of the rectifying devices are reduced.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of the non-limiting embodiments, given by way of example with reference to the accompanying drawings.
FIG. 1 is a top view of an air cooling tower with a rectifying device in the shape of a Chinese character 'mi'.
FIG. 2 is a top view of an air cooling tower with a desulfurization and denitrification tower as a connecting device.
Fig. 3 is a schematic structural view of the rice-shaped device.
Fig. 4 is a schematic structural diagram of the rectifying module.
Fig. 5 is a schematic diagram of the structure of the operation of the zig-zag device.
In the figure, a 1-radiator, a 2-meter-shaped device, a 3-cross wall, a 4-rectifying module, an outer end of a 5-rectifying module, an inner end of a 6-rectifying module, an inner ring of a 7-radiator, an 8-dominant wind direction in summer, an air inlet of a 9-air cooling tower, a 10-1 st rectifying module, an 11-2 nd rectifying module, a 12-3 rd rectifying module, a 13-4 th rectifying module, a 14-5 th rectifying module, a 15-6 th rectifying module, a 16-7 th rectifying module, a 17-8 th rectifying module, a 18-supporting steel framework, a 19-skin, an air inlet on the windward side of the 20-air cooling tower, 21-crossflow wind, air exhaust of the 22-air cooling tower, an intermediate area of the 23-1 st rectifying module and the 2 nd rectifying module, an intermediate area of the 24-2 nd rectifying module and the 3 rd rectifying module, an intermediate area of the 25-7 th rectifying module and the 8 th rectifying module, an intermediate area of the 26-8 th rectifying module and the 1 st rectifying module, a 27-desulfurization and denitration tower and a center of the O-air cooling tower.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the present invention is further described below in connection with the specific embodiments.
As shown in fig. 1-4, the air cooling tower with the internal m-shaped rectifying device comprises a tower barrel, a radiator 1 and the m-shaped device 2, wherein the radiator 1 is vertically arranged outside the air cooling tower along the circumferential direction, the m-shaped device 2 is circumferentially divided into a1 st rectifying module 10, a 2nd rectifying module 11, a3 rd rectifying module 12, a4 th rectifying module 13, a 5 th rectifying module 14, a 6 th rectifying module 15, a7 th rectifying module 16, an 8 th rectifying module 17, the 1 st rectifying module 10, the 5 th rectifying module 14, the 3 rd rectifying module 12 and the 7 th rectifying module 16 are tightly connected through a connecting device to form a cross wall structure 3, the radial distances between the 2nd rectifying module 11, the 4 th rectifying module 13, the 6 th rectifying module 15, the inner end 6 of the 8 th rectifying module 17 and the center O of the air cooling tower are L n, and 0< L n≤Rt*2/3,Rt are the radius 9 of an air inlet of the air cooling tower; the radial distance between the outer ends 5 of the 1 st rectifying module 10, the 2nd rectifying module 11, the 3 rd rectifying module 12, the 4 th rectifying module 13, the 5 th rectifying module 14, the 6 th rectifying module 15, the 7 th rectifying module 16 and the 8 th rectifying module 17 and the inner ring of the radiator 1 is L f, wherein L f is more than or equal to 0 and less than or equal to R/5, and R is the inner ring radius 7 of the radiator at the bottom of the air cooling tower; each rectifier module consists of a supporting steel frame 18 and a skin 19.
The embodiment is an air cooling tower with a rice-shaped rectifying device inside.
As shown in fig. 5, the main wind direction in summer is downwards, the wind inlet 20 on the windward side of the air cooling tower enters the middle area 23 of the 1 st rectifying module and the 2 nd rectifying module respectively through the radiator 1, the middle area 24 of the 2 nd rectifying module and the 3 rd rectifying module, the middle area 25 of the 7 th rectifying module and the 8 th rectifying module, the middle area 26 of the 8 th rectifying module and the 1 st rectifying module, the wind inlet 20 on the windward side of the air cooling tower is parallel to the outside of the air cooling tower, the horizontal impact of the wind inlet 20 on the leeward area can be reduced by the rice-shaped device 2, the wind inlet on the leeward side can be increased, the horizontal flow space of the wind inlet air on the windward side can be reduced relative to the traditional cross wall, the upward flow of the air is guided, the rectifying effect in the tower is achieved, and the water outlet temperature of the cooling water is reduced; the radial space exists between the inner end 6 of the rectifying module and the center O of the air cooling tower, air in the middle area 23 can enter the middle area 24 in the form of cross flow 21 through the radial space of the inner end, air in the middle area 25 can enter the middle area 26 in the form of cross flow 21 through the radial space of the inner end, the space is reserved between the inner ends of the rectifying module to play a role in equalizing pressure, and adverse effects on air inlet caused by pressure increase of a semi-tower on the windward side caused by blocking of the rectifying device are reduced.
Three-dimensional simulation calculation of heat transfer processes is carried out on the air-cooling tower without the internal rectifying device, the air-cooling tower only adopting the cross wall device and the air-cooling tower adopting the Chinese character 'mi' shaped device under typical working conditions in summer, and the typical working conditions in summer are as follows: the temperature of the air dry ball outside the tower is 15 ℃, the flow rate of the air entering the tower is 3.2m/s, the temperature of the cooling water entering the tower is 42.1 ℃, and the calculation result is that: the outlet temperature of the cooling water without the internal rectifying device is 32.56 ℃, the outlet temperature of the cooling water with the cross wall device is 32.26 ℃, and the outlet temperature of the cooling water with the Chinese character 'mi' type device is 32.05 ℃; and (3) conclusion is drawn: the water outlet temperature of the cooling water adopting the rice-shaped device is 0.21 ℃ lower than that of the cooling water adopting the cross wall device, and the water outlet temperature of the cooling water adopting the rice-shaped device is 0.51 ℃ lower than that of the cooling water without the internal rectifying device, so that the cooling performance of the air cooling tower adopting the rice-shaped device is stronger and the water outlet temperature of the cooling water is lower under the same working condition.
While there has been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, but may 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
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| CN202110177210.8A CN112815743B (en) | 2021-02-07 | 2021-02-07 | An air cooling tower with a cross-shaped rectifier inside |
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| CN202110177210.8A CN112815743B (en) | 2021-02-07 | 2021-02-07 | An air cooling tower with a cross-shaped rectifier inside |
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| CN214308252U (en) * | 2021-02-07 | 2021-09-28 | 济南蓝辰能源技术有限公司 | Air cooling tower with internal rectifying device shaped like Chinese character' mi |
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| WO2012059496A2 (en) * | 2010-11-02 | 2012-05-10 | Kernkraftwerk Gösgen-Däniken Ag | Air introduction system and method for cooling towers |
| CN203364653U (en) * | 2013-05-17 | 2013-12-25 | 中国核电工程有限公司 | Flow guiding device of air cooling tower arranged in radiator tower |
| FR3057652B1 (en) * | 2016-10-17 | 2019-09-13 | Hamon Thermal Europe (France) | AIR FLOW CONTROL DEVICE FOR EQUIPPING A COOLING TOWER, ESPECIALLY A THERMAL POWER PLANT |
| CN110132028B (en) * | 2018-02-08 | 2024-06-04 | 厦门嘉达环保科技有限公司 | Wind-proof anti-icing noise reduction system of hyperbolic cooling tower |
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