Heat exchange structure of dividing wall type cooling tower
By installing a vertical heat exchange mechanism and a spray system inside the cooling tower, and combining air cooling and water cooling, the problem of poor cooling effect in high-temperature environments is solved, and efficient heat exchange and water resource recycling are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-27
AI Technical Summary
Side-cooled air-cooled towers have poor cooling performance in high-temperature environments, resulting in poor overall cooling effect.
The heat exchange mechanism is arranged vertically, combined with the air inlet and the spray mechanism to increase the gas-liquid contact area, and heat exchange is carried out by a combination of air cooling and water cooling. The first water distribution mechanism and the second spray mechanism are used to achieve efficient heat exchange.
In high-temperature environments, by increasing the gas-liquid contact area and combining air-cooling and water-cooling methods, the cooling effect is improved, achieving efficient heat exchange and enabling the recycling of water resources.
Smart Images
Figure CN224051101U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cooling tower technical field, specifically is the heat exchange structure of partition wall type cooling tower. BACKGROUND
[0002] The cooling tower of side air cooling usually sets up the air inlet on the side of the cooling tower, blows the cold air into the cooling tower through the air inlet, exchanges heat with the heat exchange medium, discharges from the top or the other side, thereby cooling the heat exchange medium, compared with the traditional bottom air inlet, the side air cooling can reduce the dust suction, adapts to the narrow space, can effectively utilize the air flow to take away the heat, improves the cooling efficiency, the air inlet is arranged on the side, which is convenient for reasonable layout in space, adapts to different site conditions, compared with other some complex cooling systems, the maintenance of the side air cooling equipment is relatively simple.
[0003] But the cooling tower of side air cooling can have some limitations, such as the cooling effect can be affected under high temperature environment, leading to poor overall refrigeration effect. UTILITY MODEL CONTENTS
[0004] The utility model discloses in order to solve the problem in the related technical field, provides the heat exchange structure of partition wall type cooling tower, and the device solves the problem that the cooling effect is affected under high temperature environment.
[0005] In order to solve the above problem, the following technical scheme is provided:
[0006] The heat exchange structure of the partition wall type cooling tower of the utility model includes the heat exchange mechanism for installing in the cooling tower, the heat exchange mechanism is vertically arranged, a group of mutually parallel vertical outer sides of the heat exchange mechanism are provided with sealing plates, another group of mutually parallel vertical outer sides of the heat exchange mechanism are air inlet side and air outlet side;The heat exchange mechanism is stacked by a plurality of heat exchange sheets, and gaps arranged horizontally are uniformly distributed between each heat exchange sheet;The outer side of the heat exchange mechanism close to the air inlet side is provided with a first water distribution mechanism, and a second spraying mechanism is arranged above the heat exchange mechanism.
[0007] In the above scheme, the middle part of the outer side wall of the cooling tower is provided with an air inlet, the heat exchange mechanism is located at the air inlet, the air inlet blows the cold air into the cooling tower through the heat exchange mechanism, the second spraying mechanism sprays the hot water needing cooling from top to bottom, the heat exchange mechanism is used for increasing the gas-liquid contact area, can make the hot water form a thin and uniform water film on its surface, and let the cold air flow in the pores of the heat exchange mechanism, increase the contact area of hot water and air, make the heat exchange more sufficient;When under high temperature, the problem of hot water cooling cannot be solved by air cooling, only needs to open the first water distribution mechanism, so that the hot water sprayed from the second spraying mechanism can be air cooled and water cooled when passing through the heat exchange mechanism, thereby solving the problem that the cooling effect is affected under high temperature environment.
[0008] The first water distribution mechanism comprises a water supply pipe and a spray pipe fixed horizontally on the water supply pipe, the spray pipe extends into the gap and is arranged at intervals, the outside of the gap without the spray pipe is provided with a first baffle, the first baffles are arranged alternately with the spray pipes, the heat exchange mechanism is provided with a second baffle, and the second baffles are all located above the spray pipes; and a spray water pump for water supply is arranged on one side of the water supply pipe.
[0009] In the above scheme, by arranging the first water distribution mechanism, the spray water pump is opened, water can be sprayed from the spray pipe downward, and the hot water in the second spray mechanism is water-cooled.
[0010] The second spray mechanism comprises a vertical pipe and a spray head installed on the vertical pipe, the vertical pipe is located at the top of the cooling tower, the top of the heat exchange mechanism is provided with a water distribution plate, the water distribution plate is uniformly provided with through holes corresponding to the positions of the gaps.
[0011] In the above scheme, by arranging the second spray mechanism, hot water is introduced from the vertical pipe, the hot water is sprayed from the spray head, and the spray water pump is opened, since the second baffles are all arranged above the spray pipes, the hot water sprayed from the spray head does not directly contact the cooling water flowing out of the spray pipes, and the cooling water can cool the hot water through heat transfer.
[0012] A water collecting disc is arranged below the heat exchange mechanism corresponding to each spray pipe, the water collecting disc is in a U shape, and the outer wall surface of the heat exchange fin on both sides of the spray pipe abuts against the inner wall surface of the vertical part of the U-shaped water collecting disc.
[0013] In the above scheme, the water collecting disc is arranged to collect the water sprayed from the spray pipe.
[0014] Limiting plates are fixedly arranged on both sides of the water collecting disc, and a hole is arranged on the limiting plate away from the water supply pipe, the hole is located between the heat exchange fins on both sides of the spray pipe.
[0015] In the above scheme, the hole is arranged to make the water in the water collecting disc flow out.
[0016] The limiting plate is in an L shape, one end of the L-shaped horizontal part of the limiting plate away from the vertical part of the L-shaped vertical part is fixedly connected with the bottom of the water collecting disc, a water collecting tank is arranged at the bottom of the cooling tower, a partition plate is arranged in the middle of the water collecting tank, so that the water collecting tank is divided into a first water collecting tank and a second water collecting tank, the partition plate is located directly below the L-shaped vertical part of the limiting plate, and the partition plate is fixedly connected with the limiting plate, a connecting plate arranged toward the second water collecting tank is arranged on the L-shaped bending part of the limiting plate, and the connecting plate is arranged in an inclined downward manner.
[0017] The connecting plate is used for guiding the water flowing out of the holes in the multiple water collecting trays, the cooling water sprayed out of the first water distribution mechanism flows into the second water collecting groove, and the water in the second water collecting groove is pumped out by the water inlet pipe and the spray water pump, so that water recycling is realized.
[0018] The water inlet pipe is communicated with the spray water pump, the outer wall surface of the cooling tower and the partition plate are both provided with a round hole matched with the water inlet pipe, and the water inlet pipe sequentially penetrates through the round hole of the outer wall surface of the cooling tower and the round hole of the partition plate and extends into the second water collecting groove.
[0019] The water inlet pipe is used for pumping out the water in the second water collecting groove, so that water recycling is realized.
[0020] The above scheme has the following advantages:
[0021] 1. The heat exchange structure of the partition wall type cooling tower comprises a heat exchange mechanism installed in the cooling tower, the heat exchange mechanism is stacked by a plurality of heat plates, a first water distribution mechanism is arranged on the outer side of the heat exchange mechanism close to the air inlet side, a second spraying mechanism is arranged above the heat exchange mechanism, and a water collecting groove is arranged at the bottom of the cooling tower. The air inlet blows cold air into the cooling tower through the heat exchange mechanism, the second spraying mechanism sprays hot water to be cooled from top to bottom, the heat exchange mechanism is used for increasing the gas-liquid contact area, the hot water can form a thin and uniform water film on the surface of the heat exchange mechanism, and the cold air flows in the pores of the heat exchange mechanism, so that the contact area of the hot water and the air is increased, and heat exchange is more sufficient. When the air cooling cannot solve the problem of cooling hot water at high temperature, the first water distribution mechanism is opened, so that the hot water sprayed from the second spraying mechanism can be air-cooled and water-cooled when passing through the heat exchange mechanism, and the cooling effect in the high temperature environment is improved.
[0022] 2. The connecting plate is used for guiding the water flowing out of the holes in the multiple water collecting trays, the cooling water sprayed out of the first water distribution mechanism flows into the second water collecting groove, and the water in the second water collecting groove is pumped out by the water inlet pipe and the spray water pump, so that water recycling is realized. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to make the content of the utility model more easily understood clearly, the utility model will be further explained in detail in combination with the drawings according to the specific embodiment of the utility model, and the drawings are as follows:
[0024] Figure 1 It is a structure diagram of the heat exchange structure of the partition wall type cooling tower.
[0025] Figure 2 It is a structure diagram of the heat exchange structure of the partition wall type cooling tower. Figure 1 It is an enlarged schematic view of A part in Fig.
[0026] Figure 3It is a structure diagram of a first water distribution mechanism in a heat exchange structure of a partition wall type cooling tower.
[0027] Figure 4 It is a sectional view of the heat exchange structure of the partition wall type cooling tower.
[0028] Figure 5 It is Figure 4 It is an enlarged diagram of the B part.
[0029] Figure 6 It is Figure 4 It is an enlarged diagram of the C part.
[0030] Figure 7 It is a structure diagram of the partition wall type cooling tower.
[0031] Figure 8 It is a structure diagram of the partition wall type cooling tower.
[0032] The figure mark explanation: 1, cooling tower; 2, heat exchange mechanism; 201, heat exchange sheet; 3, gap; 4, water supply pipe; 5, spray pipe; 6, first baffle; 7, second baffle; 8, spray water pump; 9, vertical pipe; 10, spray head; 11, water distribution plate; 12, through hole; 13, water collecting tray; 14, limiting plate; 15, hole; 16, partition plate; 17, first water collecting groove; 18, second water collecting groove; 19, connecting plate; 20, water inlet pipe. DETAILED DESCRIPTION
[0033] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0034] In the specific embodiment 1, as shown in the drawings, Figures 1 to 8 The heat exchange structure of the partition wall type cooling tower of the present application comprises a heat exchange mechanism 2 for being installed inside the cooling tower 1, the heat exchange mechanism 2 is arranged vertically, a group of mutually parallel vertical outer sides of the heat exchange mechanism 2 are provided with sealing plates, and the other group of mutually parallel vertical outer sides of the heat exchange mechanism 2 are air inlet sides and air outlet sides; the heat exchange mechanism 2 is stacked by a plurality of heat exchange sheets 201, and a gap 3 arranged horizontally is uniformly distributed between each heat exchange sheet 201, and the length direction of the gap 3 is consistent with the air inlet direction of the cooling tower 1.
[0035] As shown in the drawings, Figure 3As shown, the first water distribution mechanism is arranged outside the heat exchange mechanism 2 near the air inlet side, and comprises a water supply pipe 4 and a spray pipe 5 arranged horizontally on the water supply pipe 4. The spray pipe 5 extends into the gap 3 and is arranged at intervals. The length of the spray pipe 5 is equal to the length of the heat exchange mechanism 2. The gap 3 without the spray pipe 5 is provided with a first baffle 6 outside. The first baffle 6 is arranged alternately with the spray pipe 5. One side of the water supply pipe 4 is provided with a spray water pump 8 for water supply. When the spray water pump 8 is turned on, water can be sprayed from the spray pipe 5 downward, which is used for water cooling of hot water in the second spray mechanism.
[0036] As shown in Figure 4 , 5 , each spray pipe 5 is provided below the corresponding heat exchange mechanism 2 with a water collecting tray 13. The cross section of the water collecting tray 13 is U-shaped. The outer wall surface of the heat exchange fin 201 on both sides of the spray pipe 5 abuts against the inner wall surface of the vertical part of the U-shaped water collecting tray 13. The water collecting tray 13 is used for collecting water sprayed from the spray pipe 5.
[0037] As shown in Figure 1 , 2 , the water collecting tray 13 is fixedly provided with a limiting plate 14 on both sides. The limiting plate 14 is L-shaped. The L-shaped horizontal part of the limiting plate 14 is fixedly connected to the bottom of the water collecting tray 13. The limiting plate 14 away from the water supply pipe 4 is provided with a hole 15, and the hole 15 is located between the heat exchange fins 201 on both sides of the spray pipe 5.
[0038] As shown in Figure 8 , the cooling tower 1 is provided at the bottom with a water collecting tank. A partition plate 16 is arranged in the middle of the water collecting tank, so that the water collecting tank is divided into a first water collecting tank 17 and a second water collecting tank 18. The partition plate 16 is located directly below the L-shaped vertical part of the limiting plate 14 and is fixedly connected to the limiting plate 14. The L-shaped bending part of the limiting plate 14 is provided with a connecting plate 19 arranged towards the second water collecting tank 18. The connecting plate 19 is arranged obliquely downward. The connecting plate 19 is used for guiding the water flowing out of the hole 15 in the plurality of water collecting trays 13, so that the cooling water sprayed by the first water distribution mechanism flows into the second water collecting tank 18. The first water collecting tank 17 is used for collecting water sprayed by the second spray mechanism.
[0039] As shown in Figure 1 , 6As shown, the heat exchange mechanism 2 is provided with second baffles 7, which are all located above the spray pipes 5; the heat exchange mechanism 2 is provided with a second spraying mechanism above, which comprises a vertical pipe 9 and a spray head 10 installed on the lower end surface of the vertical pipe 9; the vertical pipe 9 extends to the inside of the cooling tower 1 at the top of the cooling tower 1; the heat exchange mechanism 2 is provided with a water leveling plate 11 at the top, which is uniformly provided with through holes 12 corresponding to the positions of the gaps 3; and the spray head 10 is located above the water leveling plate 11. Hot water is introduced from the vertical pipe 9, sprayed from the spray head 10, and the spray water pump 8 is opened at the same time; since the second baffles 7 are all arranged above the spray pipes 5, the hot water sprayed from the spray head 10 will not directly contact the cooling water flowing out of the spray pipes 5, and the cooling water can be cooled by heat transfer.
[0040] The inlet blows cold air through the heat exchange mechanism 2 into the cooling tower 1, and the second spraying mechanism sprays hot water to be cooled from top to bottom; the heat exchange mechanism 2 is used to increase the gas-liquid contact area, so that a thin and uniform water film is formed on the surface of the hot water, and at the same time, cold air flows in the pores of the heat exchange mechanism 2, greatly increasing the contact area of the hot water and the air, and making the heat exchange more sufficient; when air cooling cannot solve the problem of cooling hot water at high temperature, only the first water distribution mechanism needs to be opened, so that the hot water sprayed from the second spraying mechanism can be air-cooled and water-cooled when passing through the heat exchange mechanism 2.
[0041] The cross sections of the first baffles 6 and the second baffles 7 are all U-shaped.
[0042] In a specific embodiment 2, as shown in Figure 8 The difference between this embodiment and embodiment 1 is that the spraying water pump 8 in this embodiment is communicated with a water inlet pipe 20; the outer wall surface of the cooling tower 1 and the partition plate 16 are both provided with circular holes matched with the mouth of the water inlet pipe 20; and the water inlet pipe 20 successively penetrates the circular holes on the outer wall surface of the cooling tower 1 and the circular holes on the partition plate 16, and extends into the second water collecting groove 18. The water inlet pipe 20 is used to extract water in the second water collecting groove 18, realizing water recycling.
[0043] In operation, hot water needing heat exchange is introduced through the vertical pipe 9, the hot water is sprayed from the spray head 10, flows into the heat exchange mechanism 2 through the through hole 12 of the water uniformizing plate 11, at the same time, the spray water pump 8 is opened, the cooling water is sprayed vertically downward through the spray pipe 5, at the same time, the cold air outside the cooling tower 1 can enter the inside of the cooling tower 1 through the heat exchange mechanism 2 from the air inlet, through the arrangement of the gap 3 inside the heat exchange mechanism 2, the hot water sprayed by the spray head 10 and the cooling water sprayed by the spray pipe 5 do not directly contact, flow in the respective passages, the hot water and the cooling water are staggered in the heat exchange mechanism 2, so that the hot water needing heat exchange is air-cooled and water-cooled, and the heat exchange mechanism 2 can fully increase the heat exchange efficiency, so that the heat transfer is more uniform and efficient; the hot water after heat exchange of the heat exchange mechanism 2 is cooled and flows into the first water collecting groove 17, so that the cooling of the hot water is realized; the cooling water flowing out of the spray pipe 5 is heat-exchanged by the hot water in the heat exchange mechanism 2, flows into the water collecting disc 13, and then flows into the second water collecting disc 13 through the connecting plate 19, and the water inlet pipe 20 can extract the water in the second water collecting disc 13, so that the recycling of water resources is realized.
[0044] In a specific embodiment 3, the difference between the embodiment and the embodiments 1 and 2 is that the first water distribution mechanism in the embodiment can be a first spray mechanism or a first falling film mechanism.
[0045] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified and limited, it should be explained that the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, or indirect connection through an intermediate medium, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.
[0046] Obviously, the above embodiments are only examples for the sake of clarity, and are not a limitation on the embodiments, and for those skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and here it is not necessary and impossible to enumerate all the embodiments, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A heat exchange structure of a partition wall cooling tower, characterized by, The application relates to a heat exchange mechanism (2) for installation inside a cooling tower (1), wherein the heat exchange mechanism (2) is arranged vertically, a group of mutually parallel vertical outer sides of the heat exchange mechanism (2) are provided with sealing plates, and the other group of mutually parallel vertical outer sides of the heat exchange mechanism (2) are air inlet sides and air outlet sides; the heat exchange mechanism (2) is stacked by a plurality of heat exchange sheets (201), and gaps (3) are uniformly distributed between the heat exchange sheets (201); a first water distribution mechanism is arranged on the outer side of the heat exchange mechanism (2) close to the air inlet side.
2. The heat exchange structure of a partition wall cooling tower according to claim 1, wherein The first water distribution mechanism comprises a water supply pipe (4) and a spray pipe (5) horizontally arranged on the water supply pipe (4), the spray pipe (5) extends into the gaps (3) and is arranged at intervals, the outer side of the gap (3) without the spray pipe (5) is provided with a first baffle (6), the first baffle (6) is arranged alternately with the spray pipe (5), a second baffle (7) is arranged on the heat exchange mechanism (2), and the second baffle (7) is located above the spray pipe (5); and a spray water pump (8) for water supply is arranged on one side of the water supply pipe (4).
3. The heat exchange structure of a partition wall cooling tower according to claim 1, wherein A second spray mechanism is arranged above the heat exchange mechanism (2), the second spray mechanism comprises a vertical pipe (9) and a spray head (10) arranged on the vertical pipe (9), the vertical pipe (9) is located at the top of the cooling tower (1), a water distribution plate (11) is arranged at the top of the heat exchange mechanism (2), the water distribution plate (11) is uniformly provided with through holes (12), and the through holes (12) correspond to the positions of the gaps (3).
4. The heat exchange structure of a partition wall cooling tower according to claim 2, wherein A water collecting disc (13) is arranged below the heat exchange mechanism (2) corresponding to each spray pipe (5), the water collecting disc (13) is in a U shape, and the outer wall surface of the heat exchange sheet (201) on the two sides of the spray pipe (5) abuts against the inner wall surface of the vertical part of the U-shaped water collecting disc (13).
5. The heat exchange structure of a partition wall cooling tower according to claim 4, wherein Limiting plates (14) are fixedly arranged on the two sides of the water collecting disc (13), a hole (15) is arranged on the limiting plate (14) away from the water supply pipe (4), and the hole (15) is located between the heat exchange sheets (201) on the two sides of the spray pipe (5).
6. The heat exchange structure of a partition wall cooling tower according to claim 5, wherein The limiting plate (14) is in an L shape, the L-shaped horizontal part of the limiting plate (14) is fixedly connected with the bottom of the water collecting disc (13) and away from the one end of the L-shaped vertical part, a water collecting tank is arranged at the bottom of the cooling tower (1), a partition plate (16) is arranged in the middle of the water collecting tank, so that the water collecting tank is divided into a first water collecting tank (17) and a second water collecting tank (18), the partition plate (16) is located directly below the L-shaped vertical part of the limiting plate (14) and is fixedly connected with the limiting plate (14), a connecting plate (19) arranged towards the second water collecting tank (18) is arranged on the L-shaped bending part of the limiting plate (14), and the connecting plate (19) is arranged in an inclined downward manner.
7. The heat exchange structure of a partition wall cooling tower according to claim 6, wherein The spray water pump (8) is communicated with an inlet pipe (20), circular holes matched with the opening of the inlet pipe (20) are arranged on the outer wall surface of the cooling tower (1) and the partition plate (16), and the inlet pipe (20) sequentially penetrates the circular holes on the outer wall surface of the cooling tower (1) and the circular holes on the partition plate (16) and extends into the second water collecting tank (18).