A closed cooling tower with protective structure
By installing adjustable fan protection components on the top of the exhaust fan of the closed cooling tower, the problem of foreign objects falling and repair difficulties caused by the lack of protection of the fan is solved, and more efficient maintenance and longer equipment life are achieved.
Patent Information
- Application Number
- CN202421115160.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-05-21
AI Technical Summary
In the existing closed cooling tower, the fan lacks an effective protective structure on the top, which leads to difficulties in falling foreign objects and repairing them, affecting cooling efficiency and equipment life.
A closed cooling tower with a protective structure is designed, and by installing a adjustable fan protection assembly on the top of the exhaust fan, including a plurality of drive components and contacts, the fan can be protected when needed and facilitate maintenance.
Effectively prevent large foreign objects from falling, simplify the inspection and maintenance process of the fan, improve maintenance efficiency, and extend the service life of the equipment.
Smart Images

Figure CN222747843U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cooling towers, in particular to a closed cooling tower with a protective structure. Background Art
[0002] Closed cooling towers are suitable for a variety of industrial scenarios, especially in the fields of metal smelting, chemical production and power generation. They can effectively reduce the temperature of high-temperature exhaust gas and waste liquid, reduce environmental pollution, and improve production efficiency. In the metal smelting industry, closed cooling towers can be used to cool high-temperature exhaust gas, thereby reducing environmental pollution and improving metal refining efficiency.
[0003] Announcement No. CN219589477U provides a closed cooling tower. The utility model installs a wind power component on the top of the tower body, a spray component in the tower body, and the spray component is located below the wind power component, an air inlet hood is installed at the lower part of the tower body, a heat exchange component is installed in the tower body, and the heat exchange component is located below the spray component, a partition plate is arranged in the middle of the water storage tank, and the water storage tank is divided into two areas, and two air-cooled components are respectively installed on both sides of the partition plate, thereby solving the problem in the prior art that the cooling water itself cannot be cooled during the circulation process and the temperature cannot be effectively reduced. After working for a long time, the cooling water temperature will rise, thereby reducing the cooling efficiency.
[0004] However, the top of the fan on the cooling tower does not have a good protective mechanism, and it is difficult to inspect and repair the fan when it fails, which makes the machine difficult to repair and easy to damage.
[0005] Based on this, the utility model designs a closed cooling tower with a protective structure to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a closed cooling tower with a protective structure.
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] A closed cooling tower with a protective structure comprises a cooling tower body, wherein an exhaust fan for exhausting hot air is fixedly connected to the center of the top of the cooling tower body;
[0009] The top of the exhaust fan is connected to an adjustable fan protection component for fan protection;
[0010] The adjustable fan protection assembly comprises a base, a first drive assembly, a second drive assembly, a connecting piece, a third connecting plate, a first contact piece and a second contact piece, the first drive assembly is slidably connected in the groove at the top end of the base, the second drive assembly is slidably connected to the outer wall of the connecting piece, and the bottom end of the connecting piece is fixedly connected to the center of the top end of the base, the first drive assembly is rotatably connected to the outer side of the second drive assembly through the third connecting plate, the outer side walls of the first drive assembly and the second drive assembly are both slidably connected in the groove of the central side wall of the cooling tower body, and the sliding directions of the first drive assembly and the second drive assembly are different, the first contact piece and the second contact piece are in contact connection, and the bottom ends of the first contact piece and the second contact piece are both slidably connected in the groove of the base, and the opposite ends of the first contact piece and the second contact piece are both rotatably connected to the adjacent second drive assembly through the third connecting plate;
[0011] The side wall of the cooling tower body is connected with a rainwater collection assembly for collecting rainwater;
[0012] The left side of the bottom end of the cooling tower body is provided with a water outlet for changing water in the cooling tower;
[0013] A water inlet for water intake into the cooling tower is provided on the right side of the bottom end of the cooling tower body; and the right side of the water inlet is fixedly connected to the rainwater collection assembly;
[0014] The rear end of the cooling tower body is fixedly connected with an escalator for climbing to the top of the cooling tower;
[0015] A flow slope for guiding rainwater is provided at the center of the cooling tower body, and the flow slope is located outside above the exhaust fan.
[0016] Furthermore, the first driving assembly includes a first driving member, a first connecting plate, a connecting rod and a rotating wheel, the first driving member is rotatably connected to the outer side with a connecting rod, the connecting rod is fixedly connected to the outer side with a rotating wheel, and the first driving member is fixedly connected to the first connecting plate at the inner center position.
[0017] Furthermore, the second driving assembly includes a second driving member and a second connecting plate, and the second connecting plate is fixedly connected to the center position inside the second driving member.
[0018] Furthermore, the first driving member and the second driving member are cross-connected by a third connecting plate, and a group of meshing gear sets are rotatably connected inside the first driving member and the second driving member, and the first driving member on the opposite side of the first driving member rotatably connected to the connecting rod on the outside is in a spliced state, and the first driving member connected to the connecting rod is fixedly connected to the center side wall groove of the cooling tower body on the outside.
[0019] Furthermore, the bottom ends of the opposite sides of the first connecting plate are slidably connected in the central groove of the base, and the opposite end of the second connecting plate is slidably connected above the connecting member.
[0020] Furthermore, the rainwater collection assembly includes a water collection trough, a downpipe and a filter box. The water collection trough is opened at the center of the top of the cooling tower body, and the water collection trough is located outside the flow slope. The water collection trough is provided with an arc, and the downpipe is fixedly connected to the lowest point inside the water collection trough. The bottom end opening of the downpipe is fixedly connected to the filter box, and the side wall of the filter box is fixedly connected to the bottom of the right side wall of the cooling tower body through a fixing plate.
[0021] Furthermore, the rainwater collection assembly also includes a three-way interface and a one-way valve, the left opening of the three-way interface is fixedly connected to the water inlet on the right side of the bottom end of the cooling tower body, and the two openings on the right side of the three-way interface are fixedly connected with a one-way valve, and the top of the three-way interface is fixedly connected to the bottom end of the cooling tower body through a fixing rod.
[0022] Furthermore, the rainwater collection assembly also includes a connecting pipe, the bottom end of the filter box is fixedly connected to the connecting pipe, the left side of the connecting pipe is fixedly connected to any one-way valve, and the other one-way valve is connected to a water source through a water pipe.
[0023] The utility model has the following technical effects:
[0024] 1. When the utility model is working, the protective component is in the open state to prevent large foreign objects from falling into the fan and damaging it; climb to the top of the cooling tower through the escalator, rotate the rotating wheel to control the first drive component and the second drive component to retract inward respectively, revealing the internal structure of the fan, which is convenient for the staff to inspect and repair it, thereby improving the maintenance efficiency.
[0025] 2. When the utility model is working, rainwater is collected by the water collection tank, and after being filtered and processed by the filter box, it is transported back to the cooling tower through the bottom water inlet, thereby reducing water use costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 The utility model is a three-dimensional closed cooling tower with a protective structure Figure 1 ;
[0028] Figure 2 It is a front view of a closed cooling tower with a protective structure of the utility model;
[0029] Figure 3 It is a top view of a closed cooling tower with a protective structure of the utility model;
[0030] Figure 4 The utility model is a three-dimensional closed cooling tower with a protective structure Figure 2 ;
[0031] Figure 5 The utility model is a three-dimensional closed cooling tower with a protective structure Figure 3 ;
[0032] Figure 6 The utility model is a schematic diagram of an adjustable fan protection component of a closed cooling tower with a protection structure.
[0033] The numbers in the figure represent:
[0034] 1. Cooling tower body; 2. Escalator; 3. Adjustable fan protection assembly; 31. Base; 32. First drive assembly; 321. First drive member; 322. First connecting plate; 323. Connecting rod; 324. Rotating wheel; 33. Second drive assembly; 331. Second drive member; 332. Second connecting plate; 34. Connecting member; 35. Third connecting plate; 36. First contact member; 37. Second contact member; 4. Flow slope; 5. Rainwater collection assembly; 51. Water collection trough; 52. Downpipe; 53. Filter box; 54. Connecting pipe; 55. Three-way interface; 56. One-way valve; 6. Water inlet; 7. Water outlet; 8. Exhaust fan. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0036] The utility model is further described below in conjunction with embodiments.
[0037] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.
[0038] Example 1
[0039] Please refer to the instruction manual Figure 1-6 A closed cooling tower with a protective structure comprises a cooling tower body 1, wherein an exhaust fan 8 for exhausting hot air is fixedly connected to the center of the top of the cooling tower body 1;
[0040] The top of the exhaust fan 8 is connected to an adjustable fan protection assembly 3 for fan protection;
[0041] The adjustable fan protection assembly 3 includes a base 31, a first drive assembly 32, a second drive assembly 33, a connecting member 34, a third connecting plate 35, a first contact member 36 and a second contact member 37. The first drive assembly 32 is slidably connected in the groove at the top end of the base 31, and the second drive assembly 33 is slidably connected on the outer wall of the connecting member 34, and the bottom end of the connecting member 34 is fixedly connected to the center of the top end of the base 31. The first drive assembly 32 and the outer side of the second drive assembly 33 are rotatably connected through the third connecting plate 35. The outer side walls of the first drive assembly 32 and the second drive assembly 33 are both slidably connected in the groove of the central side wall of the cooling tower body 1, and the sliding directions of the first drive assembly 32 and the second drive assembly 33 are different. The first contact member 36 and the second contact member 37 are in contact connection, and the bottom ends of the first contact member 36 and the second contact member 37 are both slidably connected in the groove of the base 31. The opposite ends of the first contact member 36 and the second contact member 37 are rotatably connected to the adjacent second drive assembly 33 through the third connecting plate 35.
[0042] The first driving assembly 32 includes a first driving member 321, a first connecting plate 322, a connecting rod 323 and a rotating wheel 324. The connecting rod 323 is rotatably connected to the outer side of the first driving member 321, the rotating wheel 324 is fixedly connected to the outer side of the connecting rod 323, and the first connecting plate 322 is fixedly connected to the center position on the inner side of the first driving member 321.
[0043] The second driving assembly 33 includes a second driving member 331 and a second connecting plate 332 . The second connecting plate 332 is fixedly connected to the center position of the inner side of the second driving member 331 .
[0044] The first driving member 321 and the second driving member 331 are cross-connected via a third connecting plate 35. A set of meshing gear sets are rotatably connected inside the first driving member 321 and the second driving member 331. The outer side of the first driving member 321 connected to the connecting rod 323 is fixedly connected to the central side wall groove of the cooling tower body 1.
[0045] The bottom ends of the opposite sides of the first connecting plate 322 are slidably connected in the central groove of the base 31 , and the opposite end of the second connecting plate 332 is slidably connected above the connecting member 34 .
[0046] The transmission connecting rod 323 of the rotating wheel 324 is rotated to make the remaining first driving members 321, the first contact member (36) and the second contact member (37) move toward the rotating wheel 324 along a circular track. At the same time, under the connection of the third connecting plate 35, the second driving member 331 and the second connecting plate 332 fixed thereto are driven to be lifted upward and gathered together, so that the exhaust port is completely exposed, which is convenient for staff to check and repair.
[0047] A rainwater collection assembly 5 for collecting rainwater is connected to the side wall of the cooling tower body 1;
[0048] A water outlet 7 for changing water in the cooling tower is provided on the left side of the bottom end of the cooling tower body 1;
[0049] A water inlet 6 for water intake into the cooling tower is provided on the right side of the bottom end of the cooling tower body 1; and the right side of the water inlet 6 is fixedly connected to the rainwater collection component 5;
[0050] The rear end of the cooling tower body 1 is fixedly connected with an escalator 2 for climbing to the top of the cooling tower;
[0051] A flow slope 4 for guiding rainwater is provided at the center of the cooling tower body 1 , and the flow slope 4 is located above and outside the exhaust fan 8 .
[0052] On rainy days, rainwater falling on the top of the cooling tower body 1 passes through the flow slope 4 and the rainwater collection component 5, is collected and processed, and then supplied to the cooling tower body 1 for cooling operations, thereby reducing the cost of using water for the cooling tower; the staff climbs to the top of the cooling tower body 1 through the escalator 2 to control the rotating wheel 324 to make the first drive component 32 and the second drive component 33 converge inward, which is convenient for the staff to inspect and repair the fan and improve the maintenance efficiency.
[0053] Example 2
[0054] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the rainwater collection component 5 includes a water collecting trough 51, a downpipe 52 and a filter box 53. The water collecting trough 51 is opened at the center of the top of the cooling tower body 1, and the water collecting trough 51 is located outside the flow slope 4. An arc is arranged inside the water collecting trough 51, and the downpipe 52 is fixedly connected to the lowest point inside the water collecting trough 51. The bottom end opening of the downpipe 52 is fixedly connected to the filter box 53, and the side wall of the filter box 53 is fixedly connected to the lower right wall of the cooling tower body 1 through a fixing plate.
[0055] The rainwater collection component 5 also includes a three-way interface 55 and a one-way valve 56. The left opening of the three-way interface 55 is fixedly connected to the water inlet 6 on the right side of the bottom end of the cooling tower body 1, and the two openings on the right side of the three-way interface 55 are fixedly connected to the one-way valve 56. The top of the three-way interface 55 is fixedly connected to the bottom end of the cooling tower body 1 through a fixing rod.
[0056] The rainwater collection assembly 5 also includes a connecting pipe 54, and the bottom end of the filter box 53 is fixedly connected with the connecting pipe 54. The left side of the connecting pipe 54 is fixedly connected to any one-way valve 56, and the other one-way valve 56 is connected to a water source through a water pipe.
[0057] On rainy days, part of the rainwater falling on the top of the cooling tower body 1 flows into the water collecting tank 51. The water collecting tank 51 has an inclined angle, and the rainwater is collected and sent to the downpipe 52 to flow into the filter box 53 for filtration and storage. The filtered rainwater is then sent from the connecting pipe 54 through the three-way interface 55 and the one-way valve 56 through the water inlet 6 into the cooling tower body 1 for use by the machine, thereby reducing the water cost of the cooling tower.
[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A closed cooling tower with a protective structure, comprising a cooling tower body (1), characterized in that: An exhaust fan (8) for exhausting hot air is fixedly connected to the center of the top of the cooling tower body (1); The top end of the exhaust fan (8) is connected to an adjustable fan protection assembly (3) for fan protection; The adjustable fan protection assembly (3) comprises a base (31), a first drive assembly (32), a second drive assembly (33), a connecting member (34), a third connecting plate (35), a first contact member (36) and a second contact member (37); the first drive assembly (32) is slidably connected in a groove at the top end of the base (31); the second drive assembly (33) is slidably connected to the outer wall of the connecting member (34); the bottom end of the connecting member (34) is fixedly connected to the center of the top end of the base (31); the first drive assembly (32) and the second drive assembly (33) are rotatably connected to each other through the outer sides of the third connecting plate (35); The outer side walls of the first drive assembly (32) and the second drive assembly (33) are both slidably connected in the central side wall groove of the cooling tower body (1), and the sliding directions of the first drive assembly (32) and the second drive assembly (33) are different. The first contact member (36) and the second contact member (37) are in contact connection, and the bottom ends of the first contact member (36) and the second contact member (37) are both slidably connected in the groove of the base (31), and the opposite ends of the first contact member (36) and the second contact member (37) are both rotatably connected to the adjacent second drive assembly (33) through a third connecting plate (35); The side wall of the cooling tower body (1) is connected to a rainwater collection assembly (5) for collecting rainwater; The left side of the bottom end of the cooling tower body (1) is provided with a water outlet (7) for use when changing water in the cooling tower; A water inlet (6) for taking water into the cooling tower is provided on the right side of the bottom end of the cooling tower body (1); and the right side of the water inlet (6) is fixedly connected to the rainwater collection component (5); The rear end of the cooling tower body (1) is fixedly connected with a ladder (2) for climbing to the top of the cooling tower; A flow slope (4) for guiding rainwater is provided at the center of the cooling tower body (1), and the flow slope (4) is located above and outside the exhaust fan (8).
2. The closed cooling tower with a protective structure according to claim 1, characterized in that: The first driving assembly (32) comprises a first driving member (321), a first connecting plate (322), a connecting rod (323) and a rotating wheel (324); the first driving member (321) is rotatably connected to the connecting rod (323) on the outside, the connecting rod (323) is fixedly connected to the rotating wheel (324) on the outside, and the first connecting plate (322) is fixedly connected to the center position on the inside of the first driving member (321).
3. The closed cooling tower with a protective structure according to claim 2, characterized in that: The second driving assembly (33) comprises a second driving member (331) and a second connecting plate (332), and the second connecting plate (332) is fixedly connected to the center position inside the second driving member (331).
4. The closed cooling tower with a protective structure according to claim 3, characterized in that: The first driving member (321) and the second driving member (331) are cross-connected via a third connecting plate (35); a group of meshing gear sets are rotatably connected inside the first driving member (321) and the second driving member (331); the outer side of the first driving member (321) connected with the connecting rod (323) is fixedly connected to the central side wall groove of the cooling tower body (1).
5. The closed cooling tower with a protective structure according to claim 4, characterized in that: The bottom ends of the opposite sides of the first connecting plate (322) are slidably connected in the central groove of the base (31), and the opposite end of the second connecting plate (332) is slidably connected above the connecting member (34).
6. The closed cooling tower with a protective structure according to claim 5, characterized in that: The rainwater collection assembly (5) comprises a water collecting trough (51), a downpipe (52) and a filter box (53); the water collecting trough (51) is arranged at the top center of the cooling tower body (1), and the water collecting trough (51) is located outside the flow slope (4); an arc is arranged inside the water collecting trough (51), and a downpipe (52) is fixedly connected to the lowest point inside the water collecting trough (51); the bottom opening of the downpipe (52) is fixedly connected to the filter box (53); and the side wall of the filter box (53) is fixedly connected to the lower side wall of the cooling tower body (1) via a fixing plate.
7. The closed cooling tower with a protective structure according to claim 6, characterized in that: The rainwater collection assembly (5) further comprises a three-way interface (55) and a one-way valve (56); the left opening of the three-way interface (55) is fixedly connected to the water inlet (6) on the right side of the bottom end of the cooling tower body (1), and the two right openings of the three-way interface (55) are both fixedly connected to the one-way valve (56); the top end of the three-way interface (55) is fixedly connected to the bottom end of the cooling tower body (1) via a fixing rod.
8. The closed cooling tower with a protective structure according to claim 7, characterized in that: The rainwater collection assembly (5) further comprises a connecting pipe (54), the bottom end of the filter box (53) is fixedly connected to the connecting pipe (54), the left side of the connecting pipe (54) is fixedly connected to any one-way valve (56), and the other one-way valve (56) is connected to a water source via a water pipe.
Citation Information
Patent Citations
Closed cooling tower
CN219589477U