阅读说明：本技术 一种内部带米字形整流装置的空冷塔 (Air cooling tower with internal rectifying device shaped like Chinese character' mi ) 是由 杨玉杰 谭益坤 高沙沙 陈庆杰 于 2021-02-07 设计创作，主要内容包括：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 zigzag rectifying device inside, which comprises a tower barrel, a radiator and the zigzag rectifying device, wherein the zigzag rectifying 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 a 8 th rectifying module along the circumferential direction of the air cooling tower, the 1 st rectifying module, the 5 th rectifying module, the 3 rd rectifying module and the 7 th rectifying module are connected 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 spaced from the center of the air cooling tower in a certain radial direction; the invention is based on the device in the shape of Chinese character 'mi', can reduce the transverse impact of the air of the windward side-entering tower on the air entering of the leeward area, increase the air intake of the leeward side, compared with the traditional cross wall, can reduce the transverse flow of the air of the windward side-entering tower, guide the air to flow upwards, play a role in rectifying in the tower; meanwhile, the inner ends of the rectifier modules are spaced at intervals to play a role in pressure equalization, and the adverse effect of pressure increase of the windward side half tower on air inlet caused by blocking of the rectifier device is reduced.)

1. The utility model provides an inside area 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 barrel is of a hyperbolic structure; the radiators are 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 and the 5 th rectifying module, and the 3 rd rectifying module and the 7 th rectifying module are tightly connected through a connecting device to form a cross-shaped wall structure; the inner ends of the 2 nd, 4 th, 6 th and 8 th rectification modules have certain radial intervals with the center of the air cooling tower; the outer ends of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th and 8 th rectifier modules have certain radial intervals with the inner ring of the radiator.

2. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: the 1 st rectifying module is vertically arranged along the main wind direction in summer of the local area of the air cooling tower; the 2 nd rectifying module is vertically arranged in the direction of rotating clockwise by 45 degrees in the circumferential direction of the 1 st rectifying module; the 3 rd rectifying module is vertically arranged in the direction of rotating clockwise by 90 degrees in the circumferential direction of the 1 st rectifying module; the 4 th rectifying module is vertically arranged in the direction of rotating clockwise by 135 degrees in the circumferential direction of the 1 st rectifying module; the 5 th rectifying module is vertically arranged in the direction of rotating clockwise by 180 degrees in the circumferential direction of the 1 st rectifying module; the 6 th rectifying module is vertically arranged in the direction of rotating clockwise by 225 degrees in the circumferential direction of the 1 st rectifying module; the 7 th rectifying module is vertically arranged in the direction of rotating clockwise by 270 degrees in the circumferential direction of the 1 st rectifying module; the 8 th rectifying module is vertically arranged in the direction of rotating clockwise by 315 degrees in the circumferential direction of the 1 st rectifying module; the heights of 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 and the 8 th rectifier module are equal and are 0.7H-1.2H, and H is the height of the radiator.

3. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: when the desulfurization and denitrification tower is placed at 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 the desulfurization and denitrification tower.

4. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: 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.

5. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: 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 comprise the vertical support steel framework and the covering that arranges, and the covering is vertical to be laid in support steel framework both sides.

6. The air cooling tower with the Mi-shaped rectifying device inside according to claim 4, wherein: the fairing comprises the support steel framework and the skin that vertical arranging, and the skin is vertical to be laid in support steel framework both sides.

7. The air cooling tower with the Mi-shaped rectifying device inside according to claim 5, wherein: the skin is an aluminum plate, a galvanized steel plate, a plastic steel plate or a color steel plate.

8. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: the radial distance between the inner ends of the No. 2 rectifying module, the No. 4 rectifying module, the No. 6 rectifying module and the No. 8 rectifying module and the center of the air cooling tower is L_nWherein 0 is<L_n≤R_t*2/3，R_tIs the radius of the air inlet of the air cooling tower.

9. The air cooling tower with the internal Mi-shaped rectifying device as claimed in claim 1, wherein: the radial distance between the outer ends of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th and 8 th rectifier modules and the inner ring of the radiator is L_fWherein 0 is less than or equal to L_fR is less than or equal to R/5, R is nullThe radius of the inner ring of the radiator at the bottom of the cooling tower.

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 Mi-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 recirculated 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, meet strong wind weather when the air cooling tower, the side air that windward outside the tower passes through the radiator with higher wind speed, lateral flow's air produces adverse effect to the heat exchange of leeward side radiator this moment, the play tower temperature of leeward side cooling water improves, the cooling performance of air cooling tower has been reduced.

Chinese application patent, application No. 201710480509.4, discloses an indirect air cooling tower, including: the central guide part and the guide plates are arranged at the center of the bottom of the tower body, a guide surface is formed on the peripheral direction of the central guide part, the guide plates comprise eight inner guide plates and eight outer guide plates, the eight inner guide plates are uniformly connected to the guide surface along the peripheral direction, the eight outer guide plates and the eight inner guide plates are arranged outside the tower body along the peripheral direction in a one-to-one correspondence manner, and a channel leading to the guide surface is formed between every two adjacent outer guide plates and every two adjacent inner guide plates; 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 ambient wind on the operation of an indirect air cooling system; the existence of the central flow guide piece in the invention causes the pressure in the windward side tower to increase, thereby causing the resistance of the windward side to be overlarge, generating adverse effect on the wind inlet of the windward side and influencing the cooling performance of the indirect air cooling tower; the invention is based on the device in the shape of Chinese character 'mi', can reduce the transverse impact of the air of the windward side-entering tower on the air entering of the leeward area, increase the air intake of the leeward side, compared with the traditional cross wall, can reduce the transverse flow of the air of the windward side-entering tower, guide the air to flow upwards, play a role in rectifying in the tower; meanwhile, the inner ends of the rectifier modules are spaced at intervals to play a role in pressure equalization, and the adverse effect of pressure increase of the windward side half tower on air inlet caused by blocking of the rectifier device is reduced.

Disclosure of Invention

The invention aims to overcome the adverse effect of windward side tower-entering air on cooling performance of a leeward side radiator when the ambient wind speed is high, and provides an air cooling tower with a Mi-shaped rectifying device inside, which comprises a tower cylinder, a radiator and a Mi-shaped device; the radiator is vertically arranged outside the air cooling tower along the circumferential direction, and the device in the shape of a Chinese character 'mi' is divided into a 1 st rectification module, a 2 nd rectification module, a 3 rd rectification module, a 4 th rectification module, a 5 th rectification module, a 6 th rectification module, a 7 th rectification module and an 8 th rectification module along the circumferential direction of the air cooling tower; the 1 st rectifier module and the 5 th rectifier module, the 3 rd rectifier module and the 7 th rectifier module are tightly connected through a connecting device to form a cross-shaped wall structure, certain radial distances are reserved between the inner ends of the 2 nd rectifier module, the 4 th rectifier module, the 6 th rectifier module and the 8 th rectifier module and the center of an air cooling tower, and certain radial distances are reserved between the outer ends of 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 and the 8 th rectifier module and the inner ring of a radiator; the invention is based on the device in the shape of Chinese character 'mi', can reduce the transverse impact of the air of the windward side-entering tower on the air entering of the leeward area, increase the air intake of the leeward side, compared with the traditional cross wall, can reduce the transverse flow of the air of the windward side-entering tower, guide the air to flow upwards, play a role in rectifying in the tower; meanwhile, the inner ends of the rectifier modules are spaced at intervals to play a role in pressure equalization, and the adverse effect of pressure increase of the windward side half tower on air inlet caused by blocking of the rectifier device is reduced.

In order to achieve the above object, the present invention has the following technical means.

The utility model provides an inside area 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 barrel is of a hyperbolic structure; the radiators are 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 and the 5 th rectifying module, and the 3 rd rectifying module and the 7 th rectifying module are tightly connected through a connecting device to form a cross-shaped wall structure; the inner ends of the 2 nd, 4 th, 6 th and 8 th rectification modules have certain radial intervals with the center of the air cooling tower; the outer ends of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th and 8 th rectifier modules have certain radial intervals with the inner ring of the radiator.

The 1 st rectifying module is vertically arranged along the main wind direction in summer of the local area of the air cooling tower; the 2 nd rectifying module is vertically arranged in the direction of rotating clockwise by 45 degrees in the circumferential direction of the 1 st rectifying module; the 3 rd rectifying module is vertically arranged in the direction of rotating clockwise by 90 degrees in the circumferential direction of the 1 st rectifying module; the 4 th rectifying module is vertically arranged in the direction of rotating clockwise by 135 degrees in the circumferential direction of the 1 st rectifying module; the 5 th rectifying module is vertically arranged in the direction of rotating clockwise by 180 degrees in the circumferential direction of the 1 st rectifying module; the 6 th rectifying module is vertically arranged in the direction of rotating clockwise by 225 degrees in the circumferential direction of the 1 st rectifying module; the 7 th rectifying module is vertically arranged in the direction of rotating clockwise by 270 degrees in the circumferential direction of the 1 st rectifying module; the 8 th rectifying module is vertically arranged in the direction of rotating clockwise by 315 degrees in the circumferential direction of the 1 st rectifying module; the heights of 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 and the 8 th rectifier module are equal and are 0.7H-1.2H, and H is the height of the radiator.

When the desulfurization and denitrification tower is placed at 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 the desulfurization and denitrification tower.

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 comprise the vertical support steel framework and the covering that arranges, and the covering is vertical to be laid in support steel framework both sides.

The fairing comprises the support steel framework and the skin that vertical arranging, and the skin is vertical to be laid in support steel framework both sides.

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 No. 2 rectifying module, the No. 4 rectifying module, the No. 6 rectifying module and the No. 8 rectifying module and the center of the air cooling tower is L_nWherein 0 is<L_n≤R_t*2/3，R_tIs the radius of the air inlet of the air cooling tower.

The radial distance between the outer ends of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th and 8 th rectifier modules and the inner ring of the radiator is L_fWherein 0 is less than or equal to L_fR is not more than R/5, and R is the radius of the inner ring of the bottom radiator of the air cooling tower.

Compared with the prior art, the invention has the beneficial effects that: the utility model provides an inside area 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 barrel is of a hyperbolic structure; the radiators are 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 and the 5 th rectifying module, and the 3 rd rectifying module and the 7 th rectifying module are tightly connected through a connecting device to form a cross-shaped wall structure; the inner ends of the 2 nd, 4 th, 6 th and 8 th rectification modules have certain radial intervals with the center of the air cooling tower; the outer ends of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th and 8 th rectifier modules have certain radial intervals with the inner ring of the radiator; the invention is based on the device in the shape of Chinese character 'mi', can reduce the transverse impact of the air of the windward side-entering tower on the air entering of the leeward area, increase the air intake of the leeward side, compared with the traditional cross wall, can reduce the transverse flow of the air of the windward side-entering tower, guide the air to flow upwards, play a role in rectifying in the tower; meanwhile, the inner ends of the rectifier modules are spaced at intervals to play a role in pressure equalization, and the adverse effect of pressure increase of the windward side half tower on air inlet caused by blocking of the rectifier device is reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading the following detailed description of non-limiting implementations with reference to the accompanying drawings.

Fig. 1 is a top view of an air cooling tower with a cross-shaped fairing inside.

FIG. 2 is a top view of an air cooling tower with a connecting device of a desulfurization and denitrification tower.

Fig. 3 is a schematic structural view of the device shaped like a Chinese character mi.

Fig. 4 is a schematic structural diagram of a rectifier module.

Fig. 5 is a schematic structural view of the operation of the device shaped like a Chinese character 'mi'.

In the figure, 1-radiator, 2-meter-shaped device, 3-cross wall, 4-rectifier module, 5-rectifier module outer end, 6-rectifier module inner end, 7-radiator inner ring, 8-summer predominant wind direction, 9-air cooling tower air inlet, 10-the 1 st rectifier module, 11-the 2 nd rectifier module, 12-the 3 rd rectifier module, 13-the 4 th rectifier module, 14-the 5 th rectifier module, 15-the 6 th rectifier module, 16-the 7 th rectifier module, 17-the 8 th rectifier module, 18-supporting steel framework, 19-covering, 20-air cooling tower windward side inlet air, 21-cross flow air, 22-air cooling tower exhaust air, 23-the middle area of the 1 st rectifier module and the 2 nd rectifier module, 24-the middle area of the 2 nd rectifier module and the 3 rd rectifier module, 25-the middle area of the 7 th rectifying module and the 8 th rectifying module, 26-the middle area of the 8 th rectifying module and the 1 st rectifying module, 27-the center of a desulfurization and denitrification tower and an O-air cooling tower.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

As shown in fig. 1-4, the air cooling tower with the internal zigzag rectifier device of the invention comprises a tower barrel, a radiator 1 and the zigzag device 2, wherein the radiator 1 is vertically arranged outside the air cooling tower along the circumferential direction, the zigzag device 2 is divided into a 1 st rectifier module 10, a 2 nd rectifier module 11, a 3 rd rectifier module 12, a 4 th rectifier module 13, a 5 th rectifier module 14, a 6 th rectifier module 15, a 7 th rectifier module 16, an 8 th rectifier module 17 along the circumferential direction of the air cooling tower, the 1 st rectifier module 10, the 5 th rectifier module 14, the 3 rd rectifier module 12 and the 7 th rectifier module 16 are tightly connected through connecting devices to form a cross wall structure 3, and the radial distance between the inner end 6 of the 2 nd rectifier module 11, the 4 th rectifier module 13, the 6 th rectifier module 15, the 8 th rectifier module 17 and the center O of the air cooling tower is L_nWherein 0 is<L_n≤R_t*2/3，R_tThe radius of an air inlet of the air cooling tower is 9; the radial distance between the outer end 5 of the 1 st rectifier module 10, the 2 nd rectifier module 11, the 3 rd rectifier module 12, the 4 th rectifier module 13, the 5 th rectifier module 14, the 6 th rectifier module 15, the 7 th rectifier module 16 and the 8 th rectifier module 17 and the inner ring of the radiator 1 is L_fWherein 0 is less than or equal to L_fR is less than or equal to R/5, and R is the radius 7 of the inner ring of the radiator at the bottom of the air cooling tower; each rectifier module is composed of a supporting steel framework 18 and a skin 19.

The embodiment is an air cooling tower with a Mi-shaped rectifying device inside.

As shown in fig. 5, in summer, the main wind is downward, the wind 20 on the windward side of the air cooling tower passes through the radiator 1 and enters the middle area 23 of the 1 st rectifier module and the 2 nd rectifier module, the middle area 24 of the 2 nd rectifier module and the 3 rd rectifier module, the middle area 25 of the 7 th rectifier module and the 8 th rectifier module, and the middle area 26 of the 8 th rectifier module and the 1 st rectifier module, the wind 20 on the windward side of the air cooling tower is parallel to the radial direction of the air cooling tower and is discharged out of the tower, the cross-shaped device 2 can reduce the transverse impact of the wind 20 on the wind on the windward side to the wind on the leeward area, increase the wind intake on the leeward side, and reduce the transverse flowing space of the wind on the windward side of the tower relative to the traditional cross wall, guide the wind to flow upward, play; the inner end 6 of the rectifying module has a radial distance with the center O of the air cooling tower, air in the middle area 23 can enter the middle area 24 in the form of transverse flow 21 through the radial distance of the inner end, air in the middle area 25 can enter the middle area 26 in the form of transverse flow 21 through the radial distance of the inner end, the inner end of the rectifying module is spaced to play a role in pressure equalization, and adverse effects on air inlet caused by pressure increase of a windward side half tower due to blocking of a rectifying device are reduced.

Three-dimensional simulation calculation of a heat transfer process is carried out on an air cooling tower without an internal rectifying device, an air cooling tower only adopting a cross-wall device and an air cooling tower adopting a device shaped like a Chinese character 'mi', under typical working conditions in summer: the temperature of the air dry bulb outside the tower is 15 ℃, the air flow rate into the tower is 3.2m/s, the temperature of the cooling water into the tower is 42.1 ℃, and the calculation result is as follows: the outlet water temperature of the cooling water without the internal rectifying device is 32.56 ℃, the outlet water temperature of the cooling water only adopting the cross-shaped wall device is 32.26 ℃, and the outlet water temperature of the cooling water adopting the meter-shaped device is 32.05 ℃; the conclusion is reached: the water outlet temperature of the cooling water adopting the device shaped like a Chinese character 'mi' is lower by 0.21 ℃ than that of the cooling water adopting the cross-shaped wall device, and the water outlet temperature of the cooling water adopting the device shaped like a Chinese character 'mi' is lower by 0.51 ℃ than that of the cooling water without the internal rectifying device, so that under the same working condition, the air cooling tower adopting the device shaped like a Chinese character 'mi' has stronger cooling performance and lower water outlet temperature of the cooling water.

While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of 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.