CN220366725U - Advanced high-efficient rectangular tube cooling tower - Google Patents
Advanced high-efficient rectangular tube cooling tower Download PDFInfo
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- CN220366725U CN220366725U CN202321616085.7U CN202321616085U CN220366725U CN 220366725 U CN220366725 U CN 220366725U CN 202321616085 U CN202321616085 U CN 202321616085U CN 220366725 U CN220366725 U CN 220366725U
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- 238000001816 cooling Methods 0.000 title claims abstract description 94
- 238000009423 ventilation Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of heat exchange devices, and particularly discloses an advanced high-efficiency rectangular tube cooling tower which comprises a tower body, an air inlet tube, an air outlet tube and a rotary cooling tube, wherein an upper sealing cover is arranged at the upper end of the tower body, and a third air outlet is arranged at the lower end of the tower body; a plurality of rotary cooling pipes are arranged on the tower body at intervals, a first ventilation opening and a second ventilation opening are respectively arranged at two ends of the rotary cooling pipes, the second ventilation opening and the first ventilation opening are respectively arranged at the inner side and the outer side of the tower body, and the first ventilation opening, the second ventilation opening and the third ventilation opening are communicated; the rotary cooling pipe is internally provided with a rotary heat exchange pipe, and two ends of the rotary heat exchange pipe are respectively connected with the air inlet pipe and the air outlet pipe. According to the utility model, the plurality of rotary cooling pipes are arranged on the tower body at intervals, so that the heat exchange area is increased, the heat exchange efficiency of the tower body is improved, the occupied area of a single tower body is reduced, and the aim of recycling heat is fulfilled.
Description
Technical Field
The utility model relates to the technical field of cooling devices, in particular to an advanced high-efficiency rectangular tube cooling tower.
Background
Water-cooled heat exchangers are difficult to meet the complex environmental demands of internationalized customers in different areas. Although the traditional finned tube air cooler can cope with the requirement of water shortage area on medium cooling to a certain extent, the traditional air cooler has the defects of low heat exchange efficiency, large required heat exchange area, high material cost, more consumed materials, large occupied area, low air quantity at the fins, low structural compactness, difficult processing, small temperature difference at the cold end part, high operation cost and no recycling due to direct discharge of heated air.
The cost is high because the heat exchange performance of the fin tube of the existing air cooling equipment is low: (1) The total heat transfer coefficient K is lower than 8-0 w/m < 2 >. K, and the heat load given by the process is huge, so that the heat exchange area of the finned tube air cooler is huge; (2) The temperature difference (the difference between the air inlet temperature and the condensate outlet temperature) of the cold end is generally more than 25 ℃, and the requirements of the petrochemical technology on the cooling final temperature of the cold medium which is generally less than 45 ℃ cannot be met; (3) The compactness is low, the material consumption is remarkable, and the manufacturing cost is high; (4) The manufacturing flow of the round steel support piece pipe is longer, and the process is complex.
Accordingly, there is a need for an improvement that overcomes the shortcomings of the prior art.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, provides an advanced high-efficiency rectangular tube cooling tower, and solves the problems of low heat exchange efficiency and large occupied area of the conventional air cooler.
The technical scheme of the utility model is as follows:
an advanced high-efficiency rectangular tube cooling tower comprises a tower body, an air inlet tube, an air outlet tube and a rotary cooling tube, wherein an upper sealing cover is arranged at the upper end of the tower body, and a third air outlet is arranged at the lower end of the tower body; a plurality of rotary cooling pipes are arranged on the tower body at intervals, a first ventilation opening and a second ventilation opening are respectively arranged at two ends of the rotary cooling pipes, the second ventilation opening and the first ventilation opening are respectively arranged at the inner side and the outer side of the tower body, and the first ventilation opening, the second ventilation opening and the third ventilation opening are communicated; the rotary cooling pipe is internally provided with a rotary heat exchange pipe, and two ends of the rotary heat exchange pipe are respectively connected with the air inlet pipe and the air outlet pipe.
The rotary heat exchange tube is wrapped in the rotary cooling tube in a rotary way, so that the length of the rotary heat exchange tube is effectively increased, the heat exchange area is increased, and the heat exchange efficiency is improved; the plurality of rotary cooling pipes are arranged on the tower body at intervals, so that the number of the rotary cooling pipes is increased, and the heat exchange area of a single cooling tower is further increased; the convolution heat exchange tubes in the convolution cooling towers are connected to the air inlet pipe and the air outlet pipe in parallel, so that the heat exchange efficiency of the cooling towers is guaranteed, and compared with the existing air cooler, the floor area of the single cooling tower is reduced while the heat exchange amount of the single cooling tower is guaranteed.
As a preferable technical scheme, the rotary cooling pipe is provided with an air outlet branch pipe and an air inlet branch pipe, the air outlet branch pipe is connected with the air outlet pipe, and the air inlet branch pipe is connected with the air inlet pipe and is respectively used for the inlet and outlet of heat exchange gas or liquid.
As an optimized technical scheme, a heat exchange plate and a sealing tube are arranged in the rotary cooling tube, and the rotary heat exchange tube is formed by welding the heat exchange plate and the sealing tube.
As a preferable technical scheme, the inner side and the outer side of the convolution heat exchange tube are respectively provided with a first support column and a second support column, and the first support column and the second support column are connected with the heat exchange plate, so that the strength of the convolution heat exchange tube is ensured, the deformation of the heat exchange plate in the heat exchange process is prevented, and the heat exchange efficiency is influenced.
As an optimized technical scheme, the rotary cooling pipe is provided with a supporting seat for the fixed installation of the tower body.
As a preferable technical scheme, a partition plate is arranged in the convolution cooling tube, one end of the convolution heat exchange tube is arranged on the partition plate, and the other end of the convolution heat exchange tube is convolutionally arranged to a ventilation opening of the convolution cooling tube, so that the effective heat exchange area of the convolution heat exchange tube is ensured.
As a preferable technical scheme, the tower body is provided with a fan, and the fan is arranged at the third air outlet and used for increasing the ventilation quantity in the tower body and ensuring the heat exchange efficiency.
As a preferable technical scheme, the included angle alpha between the central line of the rotary cooling pipe and the central line of the tower body is less than or equal to 45 degrees, so that the flow speed and the air quantity of heat exchange cold air are ensured.
The beneficial effects of the utility model are as follows:
according to the advanced high-efficiency rectangular tube cooling tower, the tower body, the rotary cooling tubes, the air inlet tube and the air outlet tube are arranged, and the plurality of rotary cooling tubes are arranged on the tower body at intervals, so that the heat exchange area is increased, the heat exchange efficiency of the tower body is improved, and the occupied area of a single tower body is reduced; the rotary heat exchange tube is arranged in the rotary cooling tube, so that the structure is compact, the operation cost is low, the temperature difference of the cold end is reduced, and the aim of recycling heat is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the structure of an advanced high efficiency rectangular tube cooling tower of the present utility model;
FIG. 2 is a bottom view of the advanced high efficiency rectangular tube cooling tower of the present utility model;
FIG. 3 is a schematic view of the rotary cooling tube of the present utility model;
FIG. 4 is an enlarged schematic view of portion I of FIG. 3 in accordance with the present utility model;
fig. 5 is a side view of the convolute cooling tube of the present utility model.
In the figure: 1. a tower body; 2. an air inlet pipe; 3. an air inlet; 4. a support base; 5. an upper cover; 6. a first vent; 7. a rotary cooling tube; 8. an air outlet pipe; 9. an air outlet; 10. a second vent; 11. a blower; 12. a third vent;
71. an outlet branch pipe; 72. sealing the tube; 73. a first support column; 74. a second support column; 75. a heat exchange plate; 76. an air inlet branch pipe; 77. a partition plate; 78. a convolution heat exchange tube.
Detailed Description
In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.
As shown in fig. 1 and 2, which are schematic structural diagrams of the advanced high-efficiency rectangular tube cooling tower of the present utility model, the cooling tower comprises a tower body 1, an air inlet tube 2, an air outlet tube 8 and rotary cooling tubes 7, wherein three layers of rotary cooling tubes 7 are installed on the tower body 1, the number of each layer of rotary cooling tubes 7 is five, the five rotary cooling tubes 7 are uniformly fixed along the side surface of the tower body 1 at certain intervals, the air inlet tube 2 and the air outlet tube 8 are connected to each layer of rotary cooling tubes 7, the air inlet tube 2 of each layer is respectively connected with the air inlet branch tubes of the five rotary cooling tubes 7, and the air outlet tube 8 of each layer is respectively connected with the air outlet branch tubes of the five rotary cooling tubes 7. An air inlet 3 is arranged on the air inlet pipe 2, an air outlet 9 is arranged on the air outlet pipe 8, and the air inlet and the air outlet are respectively used for the air inlet and the air outlet of the rotary cooling pipe 7.
The upper end of the tower body 1 is fixedly sealed with an upper sealing cover 5, the lower end of the tower body 1 is provided with a third air vent 12, and the lower end of the tower body 1 is fixedly provided with a fan 11 for increasing the air flow in the tower body 1.
The two ends of the rotary cooling pipe 7 are respectively provided with a first ventilation opening 6 and a second ventilation opening 10, the second ventilation opening 10 and the first ventilation opening 6 are respectively positioned at the inner side and the outer side of the tower body 1, and the second ventilation opening 10, the first ventilation opening 6 and the third ventilation opening 12 are communicated. When the rotary cooling pipe 7 is ventilated and cooled, cold air enters and exits the tower body 1 through the first ventilation opening 6 and the second ventilation opening 10, and enters or exits the tower body 1 through the third ventilation opening 12.
The included angle alpha between the central line of the rotary cooling pipe and the central line of the tower body is less than or equal to 45 degrees, meets the rule that 7.3.3.4 fans in NB/T47007-2010 are located at a diffusion angle of not more than 45 degrees on the central line of the tube bundle, and ensures the efficiency of cold air heat exchange.
The supporting seat 4 is fixed on the outer side surface of the tower body 1 and is used for fixing the tower body 1 when the tower body 1 is installed, so as to play a role in supporting the tower body 1.
As shown in fig. 3, fig. 4 and fig. 5, which are schematic overall structure diagrams of the rotary cooling tube 7 of the present utility model, the rotary cooling tube 7 is provided with an air outlet branch tube 71 and an air inlet branch tube 76, the air outlet branch tube 71 is connected with the air outlet tube 8, the air inlet branch tube 76 is connected with the air inlet tube 2, a partition plate 77 and a rotary heat exchange tube 78 are arranged in the rotary cooling tube 7, the partition plate 77 is fixed in the middle part of the rotary cooling tube 7, two ends of the rotary heat exchange tube 78 are respectively connected with the air outlet branch tube 71 and the air inlet branch tube 76, the rotary heat exchange tube 78 takes the partition plate 77 as a fulcrum, two ends are respectively wrapped around the first ventilation opening 6 and the second ventilation opening 10 of the rotary cooling tube 7, the ports of the rotary cooling tube 7 are in a ring-shaped coil, and ventilation gaps are reserved between the rotary heat exchange tubes 78 for ventilation and heat exchange of the rotary cooling tube 7.
The seal tube 72 and the heat exchange plates 75 are further arranged in the rotary cooling tube 7, the heat exchange plates 75 are welded and fixed on the two sides of the seal tube 72 to form a rectangular rotary heat exchange tube 78, the rotary heat exchange tube 78 is spirally arranged along the inner side surface of the rotary cooling tube 7 when being arranged in the rotary cooling tube 7, and the rotary heat exchange tube 78 is annularly coiled again when being arranged to ventilation openings on the two sides of the rotary cooling tube 7, so that the maximum heat exchange area of the rotary cooling tube 7 is ensured. The first support column 73 and the second support column 74 are welded on the inner side and the outer side of the convolution heat exchange tube 78 respectively, so that deformation of the convolution heat exchange tube 78 in the ventilation and heat exchange process is prevented.
In the conventional finned tube air cooler, the finned tubes are usually connected in parallel, dirt deposition is easy to occur, the pipelines are blocked, the deposition of the convolution rectangular tube generating structure is that the cross section of the convolution heat exchange tube 78 is reduced, the convolution heat exchange tube 78 has no single pipeline in the convolution cooling tube 7, no flow division exists, the flow in the convolution heat exchange tube 78 is unchanged, the flow speed is correspondingly improved, the flushing effect is achieved on the deposition area in the convolution heat exchange tube 78, no dead angle exists in a convolution channel, impurities are easy to flush out, and the self-cleaning capability is achieved.
The cooling tower heat exchange process has two blowing modes, namely when air heat energy needs to be recovered and when air heat energy does not need to be recovered:
when air heat energy needs to be recovered, the fan 11 draws air, the fan 11 discharges a large amount of air to the outside of the tower body 1, the tower body 1 is influenced by the fan 11 to ensure that air pressure is unbalanced, the air is forced to enter the tower body 1 through the first ventilation opening 6 of the rotary cooling pipe 7, when the air passes through the rotary cooling pipe 7, heat exchange is carried out between the air and the rotary heat exchange pipe 78 in the rotary cooling pipe 7, hot air after heat exchange enters the tower body 1 through the second ventilation opening 10, finally, the hot air outside the tower body 1 is discharged through the third ventilation opening 12, the hot air outside the tower body 1 can be used for indoor heating in winter, bathing water heating and the like, the coal and power consumption of original heating equipment are reduced, and the purpose of energy conservation is achieved.
When the air heat energy is not required to be recovered, the fan 11 blows air, a large amount of air is blown into the tower body 1 by the fan 11, the air pressure in the tower body 1 is unbalanced, the air is forced to be discharged out of the tower body 1 through the rotary cooling pipe 7, the heat exchange of the rotary heat exchange pipe 78 in the rotary cooling pipe 7 is realized, the heat is taken away when the air is discharged out of the rotary cooling pipe 7, and the medium cooling in the rotary heat exchange pipe 78 is realized.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.
Claims (8)
1. An advanced high-efficiency rectangular tube cooling tower is characterized by comprising a tower body (1), an air inlet tube (2), an air outlet tube (8) and a rotary cooling tube (7), wherein an upper sealing cover (5) is arranged at the upper end of the tower body (1), and a third air outlet (12) is arranged at the lower end of the tower body (1); a plurality of rotary cooling pipes (7) are arranged on the tower body (1) at intervals, a first ventilation opening (6) and a second ventilation opening (10) are respectively arranged at two ends of the rotary cooling pipes (7), the second ventilation opening (10) and the first ventilation opening (6) are respectively arranged at the inner side and the outer side of the tower body (1), and the first ventilation opening (6), the second ventilation opening (10) and the third ventilation opening (12) are communicated; the rotary cooling pipe (7) is internally provided with a rotary heat exchange pipe (78), and two ends of the rotary heat exchange pipe (78) are respectively connected with the air inlet pipe (2) and the air outlet pipe (8).
2. The advanced high-efficiency rectangular pipe cooling tower according to claim 1, wherein the rotary cooling pipe (7) is provided with an air outlet branch pipe (71) and an air inlet branch pipe (76), the air outlet branch pipe (71) is connected with the air outlet pipe (8), and the air inlet branch pipe (76) is connected with the air inlet pipe (2).
3. The advanced high-efficiency rectangular pipe cooling tower according to claim 1 or 2, wherein a heat exchange plate (75) and a sealing pipe (72) are arranged in the rotary cooling pipe (7), and the rotary heat exchange pipe (78) is formed by welding the heat exchange plate (75) and the sealing pipe (72).
4. A high efficiency rectangular tube cooling tower according to claim 3, wherein the inner and outer sides of the convolution heat exchange tube (78) are respectively provided with a first support column (73) and a second support column (74), and the first support column (73) and the second support column (74) are both connected with the heat exchange plate (75).
5. Advanced high-efficiency rectangular pipe cooling tower according to claim 1 or 2, characterized in that the rotary cooling pipe (7) is provided with a support seat (4).
6. The advanced high-efficiency rectangular tube cooling tower according to claim 1 or 2, wherein a partition plate (77) is arranged in the rotary cooling tube (7), one end of the rotary heat exchange tube (78) is arranged on the partition plate (77), and the other end is arranged at a ventilation opening of the rotary cooling tube (7) in a rotary mode.
7. The efficient rectangular pipe cooling tower according to claim 1, wherein a fan (11) is arranged on the tower body (1), and the fan (11) is arranged at the third air outlet (12).
8. A high efficiency rectangular tube cooling tower according to claim 1, characterized in that the angle between the centre line of the convolute cooling tube (7) and the centre line of the tower body (1) is set to α, α being equal to or less than 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616085.7U CN220366725U (en) | 2023-06-25 | 2023-06-25 | Advanced high-efficient rectangular tube cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616085.7U CN220366725U (en) | 2023-06-25 | 2023-06-25 | Advanced high-efficient rectangular tube cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220366725U true CN220366725U (en) | 2024-01-19 |
Family
ID=89517456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321616085.7U Active CN220366725U (en) | 2023-06-25 | 2023-06-25 | Advanced high-efficient rectangular tube cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220366725U (en) |
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2023
- 2023-06-25 CN CN202321616085.7U patent/CN220366725U/en active Active
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