Cooling triangle cleaning device for indirect cooling tower

Abstract

The invention discloses a cooling triangle cleaning device for an indirect cooling tower, and the cooling triangle cleaning device comprises a cleaning unit which is arranged in a cooling triangle piece and is used for washing the inner wall of the cooling triangle piece; the bearing unit comprises a cleaning unit used for bearing the cleaning unit and keeping a continuous rotating state, a guide assembly keeping the distance between the cleaning unit and the inner wall of the cooling triangular part unchanged, and a water supply assembly arranged at the lower end of the guide assembly and used for driving the cleaning unit to switch the cleaning position and supplying water to the cleaning unit. The lifting units are arranged at the three corners, corresponding to the cooling triangle, of the water supply assembly and used for driving the cleaning unit to ascend and descend along the interior of the cooling triangle. The motor on one side of the driving wheel drives the driving wheel to rotate, the driving wheel drives the cleaning unit to move upwards step by step under the action of mutual friction force between the driving wheel and the inner corner of the cooling triangular piece, manual high-altitude operation is not needed in the whole cleaning process of the cooling triangular piece, and potential safety hazards of cleaning work are greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of intercooling towers, in particular to a cooling triangle cleaning device for intercooling towers. Background Art

[0002] The intercooler is the main cooling device for the circulating water of the thermal power unit. It consists of a radiator and a tower. The radiator is a finned heat dissipation tube bundle. The finned heat dissipation tube bundle can be arranged vertically along the intercooler under the tower and combined circumferentially into a cooling triangle unit. In the indirect air-cooled unit, the high-temperature and high-pressure water vapor generated by the boiler enters the steam turbine to work and drive the motor to generate electricity. The exhaust steam after work is discharged from the tail of the steam turbine into the condenser for the first heat exchange. The exhaust steam transfers the heat to the cooling water and condenses into condensed water, which is sent back to the boiler by the feed water pump and enters the next thermal cycle. In the condenser The cooling water that has been heated up is pressurized by the circulating water pump and enters the indirect air-cooled radiator. Under the natural suction of the intercooler, it exchanges heat with the cooling air of the cross-fin tube bundle for the second time. The cooling water transfers heat to the air and then cools down. It enters the next heat exchange cycle in the return condenser, thereby achieving the effect of reducing the temperature of the turbine circulating water. Due to the frequent strong winds and strong sandstorms in some areas all year round, the heat exchange fins of the cooling triangle are easily contaminated by dust, causing blockage, affecting the cooling effect, and in serious cases, affecting the safe operation of the unit;

[0003] The solution of the prior art is to use a simple lifting device to lift the staff to a high altitude for cleaning operations, and to use high-pressure jet water to flush the blocked heat exchange fins on the surface of the water tank. Although this method basically solves the problem of blockage of the triangular heat exchange fins of the intercooler cooling tower, the cleaning method is extremely inefficient. The cleaning staff is suspended in the air and has to operate a high-pressure water gun to clean the surface point by point and line by line. The workload is large, the cleaning efficiency is low, and the safety risk is large. In addition, it is difficult for the staff to control the nozzle of the high-pressure jet water gun to always be at an equal distance from the surface to be cleaned, resulting in damage to the heat exchange fins when the nozzle is too close to the cleaning surface, and the scale layer cannot be penetrated when the nozzle is too far from the cleaning surface, resulting in poor cleaning effect. Therefore, it is necessary to improve the above defects.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention, and do not constitute an admission that the above contents are the closest prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a cooling triangle cleaning device for an intercooler to solve the problems of low cleaning efficiency, high safety risks and poor cleaning effect of manual high-pressure water guns in the existing cooling triangle cleaning method proposed in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A cooling triangle cleaning device for an indirect cooling tower, comprising:

[0008] A cleaning unit is provided inside the cooling triangle and is used to wash the inner wall of the cooling triangle;

[0009] The carrying unit includes a guide assembly for carrying the cleaning unit and maintaining a constant distance between the cleaning unit and the inner wall of the cooling triangle in a continuously rotating state, and a water supply assembly provided at the lower end of the guide assembly for driving the cleaning unit to switch the cleaning position and supplying water to the cleaning unit;

[0010] The lifting unit is arranged at the three corners corresponding to the water supply assembly and the cooling triangle, and is used to drive the cleaning unit to move up and down along the inside of the cooling triangle.

[0011] Furthermore, the water supply component includes:

[0012] A carrying plate, wherein a buffer tank for buffering water is provided inside the carrying plate;

[0013] A water storage bucket, mounted at the lower end of the bearing plate, for continuously supplying water to the cleaning unit;

[0014] A water inlet pipe extends downward from the inside of the supporting plate to the inside of the water storage barrel. The water outlet of the water inlet pipe is connected to the inside of the buffer tank. A water pump is provided at the lower end of the water inlet pipe and located inside the water storage barrel for delivering water to the buffer tank.

[0015] Furthermore, the cleaning unit comprises:

[0016] A rotating tube is rotatably inserted in the bearing plate, and a groove for accommodating the rotating tube is provided in the bearing plate;

[0017] There are three sets of guide sleeves, which are connected to the outside of the rotating tube at equal angles and are located above the bearing plate, and the guide sleeves are provided with guide grooves inside;

[0018] A telescopic tube is slidably inserted in the guide groove, and one end of the telescopic tube located in the guide groove is connected to a piston;

[0019] A water distribution pipe, fixedly connected to the end of the telescopic pipe opposite to the piston, used for distributing the water discharged from the telescopic pipe;

[0020] Spray guns, connected at equal intervals from top to bottom on one side of the water distribution pipe, are used to spray and clean the inner wall of the cooling triangle;

[0021] The water pumping pipe is arranged on one side of the rotating pipe and located inside the buffer tank, and is used to guide the water inside the buffer tank into the guide sleeve through the rotating pipe.

[0022] Furthermore, the cleaning unit also includes:

[0023] A driven wheel is fixedly connected to the lower end of the rotating tube, and a receiving groove for receiving the driven wheel is provided inside the bearing plate and outside the driven wheel;

[0024] A driving wheel meshing with the driven wheel;

[0025] A driving motor is installed inside the bearing plate and connected to the lower end of the driving wheel, and is used to drive the rotating tube to switch the angle.

[0026] Furthermore, the guide assembly comprises:

[0027] A guide rail fixedly connected to the upper end of the bearing plate;

[0028] A T-shaped groove, provided at the upper end of the guide rail, wherein the T-shaped groove is in an inverted T shape;

[0029] A guide block is slidably inserted in the T-shaped groove;

[0030] The guide rod has a lower end fixedly connected to the upper end of the guide block, and an upper end fixedly connected to the lower end of the telescopic tube, and is used to drive the telescopic tube to telescope along the guide sleeve.

[0031] Furthermore, the track of the guide rail is triangular, and each side of the guide rail is equidistant from the inner wall corresponding to the cooling triangle.

[0032] Furthermore, the lifting unit comprises:

[0033] The fixing blocks are provided in three groups, which are respectively fixedly connected to the three corners corresponding to the bearing plate, and the fixing blocks are provided with retreat grooves inside;

[0034] A push plate, slidably inserted into the retreat groove;

[0035] There are two sets of ejector rods fixedly connected to one side of each push plate, and the ejector rods pass through the fixed block from the inside of the retreat groove to the outside;

[0036] A driving wheel is rotatably connected to one end of the push rod opposite to the push plate, and the outer side of the driving wheel contacts the corner of the cooling triangle.

[0037] Furthermore, the outer side of the driving wheel is V-shaped and opened to increase the contact area with the corner inside the cooling triangle.

[0038] Furthermore, a threaded hole is provided in the middle of the push plate;

[0039] The threaded hole is threadedly connected with a rotating shaft for adjusting the position of the push plate in the retreat groove;

[0040] One end of the rotating shaft is located outside the fixed block, and the other end is located inside the fixed block;

[0041] One end of the rotating shaft located inside the fixed block is fixedly connected to a limiting block for limiting the rotating shaft, and a circular groove for accommodating the limiting block is provided inside the fixed block.

[0042] Furthermore, heat exchange fins are distributed on both sides of the interior of the cooling triangle;

[0043] A louver is provided on one side of the interior of the cooling triangle adjacent to the heat exchange fins.

[0044] Compared with the prior art, the present invention has the following beneficial effects:

[0045] 1. The present invention only needs to control the motor on one side of the driving wheel to drive the driving wheel to rotate. The driving wheel drives the cleaning unit to gradually move upwards under the action of the mutual friction between the driving wheel and the internal corner of the cooling triangle. The entire cooling triangle cleaning process does not require manual high-altitude operations, which greatly reduces the safety hazards of the cleaning work.

[0046] 2. The present invention drives the driven wheel to rotate at a uniform and slow speed through the driving motor via the driving wheel, the driven wheel drives the guide sleeve to rotate through the rotating tube, and the guide sleeve drives the water distribution pipe to rotate through the telescopic tube, so that the spray gun switches the water spray angle to ensure that the heat exchange fins and shutters on the inner wall of the cooling triangle can be sprayed in all directions and without dead angles, so as to clean more comprehensively.

[0047] 3. In the present invention, during the process of the rotating tube driving the telescopic tube to rotate through the guide sleeve, the telescopic tube drives the guide block to move along the extension track of the T-slot through the guide rod, so that under the interaction force of the T-slot on the guide block, the guide block drives the telescopic tube through the guide rod to adaptively retract and expand along the guide sleeve, so that under the limiting effect of the distance between the guide rail and the inner wall of the cooling triangle, the distance between the spray gun and the inner wall of the cooling triangle is always kept equal, ensuring that the spray gun will not be too close to the heat exchange fins in the process of switching the spray angle, causing damage to the heat exchange fins, or too far away from the heat exchange fins, resulting in the inability to penetrate the scale layer on the surface of the heat exchange fins, thereby further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0049] Figure 2 This is a schematic diagram of the cooling triangle structure of the present invention;

[0050] Figure 3 This is a diagram showing the coordination relationship between the lifting unit and the cooling triangle of the present invention;

[0051] Figure 4 This is a diagram showing the coordination relationship between the cleaning unit and the cooling triangle of the present invention;

[0052] Figure 5This is a diagram showing the coordination relationship between the cleaning unit and the lifting unit of the present invention;

[0053] Figure 6 This is a schematic diagram of the internal structure of the lifting unit of the present invention;

[0054] Figure 7 For the present invention Figure 6 The enlarged view of point A in the middle;

[0055] Figure 8 This is a schematic diagram of the internal structure of the guide assembly of the present invention;

[0056] Fig. 9 It is a schematic diagram of the telescopic tube of the present invention being telescoped along the inside of the guide sleeve;

[0057] Fig.10 It is a schematic diagram of the internal structure of the water supply component of the present invention.

[0058] Reference numerals: 100, cooling tower cylinder; 101, cooling triangle; 1011, shutter; 1012, heat exchange fin; 1, bearing unit; 11, guide assembly; 111, guide rail; 112, T-slot; 113, guide block; 114, guide rod; 12, water supply assembly; 121, bearing plate; 1211, receiving groove; 1212, buffer groove; 122, water storage bucket; 123, water inlet pipe; 1231, water pump; 2, cleaning Washing unit; 21, rotating pipe; 22, guide sleeve; 221, guide groove; 23, telescopic tube; 231, piston; 24, water distribution pipe; 241, spray gun; 25, water suction pipe; 26, driven wheel; 27, driving wheel; 28, driving motor; 3, lifting unit; 31, fixing block; 311, retreat groove; 312, push plate; 3121, threaded hole; 313, circular groove; 32, push rod; 33, driving wheel; 34, rotating shaft; 341, limit block. DETAILED DESCRIPTION

[0059] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] See also Figure 1-10 , the present invention provides a technical solution:

[0061] A cooling triangle cleaning device for an indirect cooling tower, comprising:

[0062] The cleaning unit 2 is arranged inside the cooling triangle 101 and is used to wash the inner wall of the cooling triangle;

[0063] The carrying unit 1 includes a guide assembly 11 for carrying the cleaning unit 2 and maintaining a constant distance between the cleaning unit 2 and the inner wall of the cooling triangle 101 in a continuously rotating state, and a water supply assembly 12 provided at the lower end of the guide assembly 11 for driving the cleaning unit 2 to switch the cleaning position and supplying water to the cleaning unit 2;

[0064] The lifting unit 3 is disposed at the three corners of the water supply assembly 12 corresponding to the cooling triangle, and is used to drive the cleaning unit 2 to move up and down along the inside of the cooling triangle.

[0065] As an improvement, Figure 3 , Fig.10 As shown, the water supply assembly 12 includes:

[0066] A carrying plate 121, wherein a buffer tank 1212 for buffering water is provided inside the carrying plate 121;

[0067] A water storage bucket 122 is installed at the lower end of the carrying plate 121 and is used to continuously supply water to the cleaning unit 2;

[0068] The water inlet pipe 123 extends downward from the inside of the supporting plate 121 to the inside of the water storage barrel 122 . The water outlet of the water inlet pipe 123 is connected to the inside of the buffer tank 1212 . A water pump 1231 is provided at the lower end of the water inlet pipe 123 and located inside the water storage barrel 122 for delivering water to the buffer tank 1212 .

[0069] Further, such as Figure 9-10 As shown, the cleaning unit 2 comprises:

[0070] The rotating tube 21 is rotatably inserted in the bearing plate 121, and a groove for accommodating the rotating tube 21 is provided in the bearing plate 121;

[0071] The guide sleeves 22 are provided in three groups, connected to the outside of the rotating tube 21 at equal angles and located above the bearing plate 121, and the guide sleeves 22 are provided with guide grooves 221 inside;

[0072] The telescopic tube 23 is slidably inserted in the guide groove 221, and one end of the telescopic tube 23 located in the guide groove 221 is connected to a piston 231;

[0073] A water distribution pipe 24, fixedly connected to one end of the telescopic pipe 23 opposite to the piston 231, for distributing the water discharged from the telescopic pipe 23;

[0074] Spray guns 241 are connected to one side of the water distribution pipe 24 at equal intervals from top to bottom, and are used to spray and clean the inner wall of the cooling triangle 101;

[0075] A water pumping pipe 25 is provided at one side of the rotating pipe 21 and located inside the buffer tank 1212, and is used to guide the water inside the buffer tank 1212 into the guide sleeve 22 through the rotating pipe 21;

[0076] A water pump is installed at the bottom of the water pumping pipe 25 to pump out the water in the buffer tank 1212 and sequentially pass through the rotating pipe 21, the guide sleeve 22, the telescopic pipe 23, the water distribution pipe 24 and finally spray it at the spray gun 241.

[0077] Furthermore, the cleaning unit 2 further comprises:

[0078] The driven wheel 26 is fixedly connected to the lower end of the rotating tube 21, and a receiving groove 1211 for receiving the driven wheel 26 is provided inside the bearing plate 121 and outside the driven wheel 26;

[0079] A driving wheel 27 meshes with the driven wheel 26;

[0080] The driving motor 28 is installed inside the bearing plate 121 and connected to the lower end of the driving wheel 27 to drive the rotating tube 21 to switch the angle.

[0081] Among them, Figure 5 , Figure 8 As shown, the guide assembly 11 includes:

[0082] The guide rail 111 is fixedly connected to the upper end of the carrying plate 121;

[0083] A T-shaped groove 112, provided at the upper end of the guide rail 111, wherein the T-shaped groove 112 is in an inverted T shape;

[0084] A guide block 113 is slidably inserted into the T-shaped slot 112;

[0085] The guide rod 114 has a lower end fixedly connected to the upper end of the guide block 113 , and an upper end fixedly connected to the lower end of the telescopic tube 23 , and is used to drive the telescopic tube 23 to telescope along the guide sleeve 22 .

[0086] In addition, the track of the guide rail 111 is triangular, and each side of the guide rail 111 is equidistant from the corresponding inner wall of the cooling triangle 101 .

[0087] As an improvement, Figure 5-7 As shown, the lifting unit 3 includes:

[0088] The fixing blocks 31 are provided in three groups, and are respectively fixedly connected to the three corners corresponding to the bearing plate 121 , and the fixing blocks 31 are provided with retreat grooves 311 inside;

[0089] A push plate 312 is slidably inserted into the retreat groove 311;

[0090] Two groups of push rods 32 are fixedly connected to one side of each push plate 312, and the push rods 32 pass through the fixed block 31 from the inside of the retreat groove 311 to the outside;

[0091] The driving wheel 33 is rotatably connected to one end of the push rod 32 opposite to the push plate 312 , and the outer side of the driving wheel 33 contacts the corner of the cooling triangle 101 .

[0092] Furthermore, the outer side of the driving wheel 33 is V-shaped, which is used to increase the contact area with the corner inside the cooling triangle 101 to ensure that the driving wheel 33 does not slip relative to the cooling triangle 101. A motor is installed on one side of the driving wheel 33 to drive the driving wheel 33 to rotate, and the motor is not drawn in the figure.

[0093] Furthermore, a threaded hole 3121 is provided in the middle of the push plate 312;

[0094] The threaded hole 3121 is internally threadedly connected with a rotating shaft 34 for adjusting the position of the push plate 312 in the retreat groove 311;

[0095] One end of the rotating shaft 34 is located outside the fixing block 31, and the other end is located inside the fixing block 31;

[0096] One end of the rotating shaft 34 located inside the fixing block 31 is fixedly connected to a limiting block 341 for limiting the rotating shaft 34 . A circular groove 313 for accommodating the limiting block 341 is provided inside the fixing block 31 .

[0097] Wherein, heat exchange fins 1012 are distributed on both sides of the interior of the cooling triangle 101;

[0098] A louver 1011 is provided on one side of the cooling triangle 101 adjacent to the heat exchange fin 1012;

[0099] The upper end of the cooling triangle 101 is provided with an intermediate cooling tower cylinder 100 .

[0100] It should be noted that: Figure 4-7As shown, in the specific implementation process of the present invention, the cleaning device is placed in the lower part of the interior of the cooling triangle 101, so that the directions of the multiple driving wheels 33 correspond to the internal corners of the cooling triangle 101 respectively, and the rotating shaft 34 is rotated. The rotating shaft 34 drives the push plate 312 to move along the retreat groove 311 under the action of the tangential force of the thread between the threaded hole 3121, and the push plate 312 drives the driving wheel 33 to move through the push rod 32, so that the driving wheel 33 is tightly pressed against the internal corner of the cooling triangle 101. When the cooling triangle 101 is cleaned at a high place later, it is only necessary to control the motor on one side of the driving wheel 33 to drive the driving wheel 33 to rotate. The driving wheel 33 drives the cleaning unit 2 to move gradually upwards under the action of the mutual friction between the driving wheel 33 and the internal corner of the cooling triangle 101. The cleaning process of the entire cooling triangle 101 does not require manual high-altitude operations, which greatly reduces the safety hazards of the cleaning work.

[0101] like Figure 9-10 As shown, when the driving wheel 33 drives the cleaning unit 2 to be lifted upward along the inside of the cooling triangle 101, the water pump 1231 is started, and the water pump 1231 pumps the water in the water storage bucket 122 to the buffer tank 1212 through the water inlet pipe 123 for buffering. Subsequently, the water pump in the water pumping pipe 25 is started, and the water pumping pipe 25 sequentially passes the water in the buffer tank 1212 through the rotating pipe 21, the guide sleeve 22, the telescopic pipe 23, and the water distribution pipe 24, and then rushes out to the heat exchange fins 1012 on the inner wall of the cooling triangle 101 at the spray gun 241, thereby realizing automatic flushing of the heat exchange fins 1012;

[0102] like Figure 9-10 As shown, during the spraying process of the spray gun 241, the driving motor 28 is started, and the driving motor 28 drives the driven wheel 26 to rotate at a uniform and slow speed through the driving wheel 27, and the driven wheel 26 drives the guide sleeve 22 to rotate through the rotating tube 21, and the guide sleeve 22 drives the water distribution pipe 24 to rotate through the telescopic tube 23, so that the spray gun 241 switches the spraying angle of water, ensuring that the heat exchange fins 1012 and the shutters 1011 on the inner wall of the cooling triangle 101 can be sprayed in all directions without dead angles, and the cleaning is more comprehensive;

[0103] like Figure 5 , Figure 8As shown, in addition, in the present invention, during the process of the rotating tube 21 driving the telescopic tube 23 to rotate through the guide sleeve 22, the telescopic tube 23 drives the guide block 113 to move along the extension track of the T-slot 112 through the guide rod 114, so that under the interaction force of the T-slot 112 on the guide block 113, the guide block 113 drives the telescopic tube 23 to adaptively retract and expand along the guide sleeve 22 through the guide rod 114, so that under the limiting effect of the distance between the guide rail 111 and the inner wall of the cooling triangle 101, the distance between the spray gun 241 and the inner wall of the cooling triangle 101 is always kept equal, ensuring that the spray gun 241 will not be too close to the heat exchange fin 1012 during the process of switching the spray angle, causing damage to the heat exchange fin 1012, or too far away from the heat exchange fin 1012, resulting in the inability to penetrate the scale layer on the surface of the heat exchange fin 1012, thereby further improving the cleaning effect.

[0104] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0105] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling triangle cleaning device for an indirect cooling tower, characterized in that: include: A cleaning unit (2) is arranged inside the cooling triangle (101) and is used to wash the inner wall of the cooling triangle; The carrying unit (1) comprises a guide assembly (11) for carrying the cleaning unit (2) and maintaining a constant distance between the cleaning unit (2) and the inner wall of the cooling triangle (101) in a continuously rotating state, and a water supply assembly (12) provided at the lower end of the guide assembly (11) for driving the cleaning unit (2) to switch the cleaning position and supplying water to the cleaning unit (2); The lifting unit (3) is arranged at three corners of the water supply component (12) corresponding to the cooling triangle, and is used to drive the cleaning unit (2) to move up and down along the inside of the cooling triangle.

2. The cooling triangle cleaning device for an indirect cooling tower according to claim 1, characterized in that: The water supply component (12) comprises: A carrying plate (121), wherein a buffer tank (1212) for buffering water is provided inside the carrying plate (121); A water storage bucket (122) is installed at the lower end of the carrying plate (121) and is used to continuously supply water to the cleaning unit (2); A water inlet pipe (123) extends downward from the interior of the supporting plate (121) to the interior of the water storage barrel (122); a water outlet of the water inlet pipe (123) is connected to the interior of the buffer tank (1212); a water pump (1231) is provided at the lower end of the water inlet pipe (123) and located inside the water storage barrel (122) for delivering water to the buffer tank (1212).

3. A cooling triangle cleaning device for an indirect cooling tower according to claim 2, characterized in that: The cleaning unit (2) comprises: A rotating tube (21) is rotatably inserted into the interior of the carrier plate (121), and a groove for accommodating the rotating tube (21) is provided inside the carrier plate (121); The guide sleeves (22) are provided in three groups and are connected to the outside of the rotating tube (21) at equal angles and are located above the bearing plate (121). The guide sleeves (22) are provided with guide grooves (221) inside. A telescopic tube (23) is slidably inserted into the guide groove (221), and one end of the telescopic tube (23) located inside the guide groove (221) is connected to a piston (231); A water distribution pipe (24) fixedly connected to one end of the telescopic pipe (23) opposite to the piston (231) and used for distributing water discharged from the telescopic pipe (23); Spray guns (241) are connected to one side of the water distribution pipe (24) at equal intervals from top to bottom, and are used to spray and clean the inner wall of the cooling triangle (101); A water pumping pipe (25) is arranged on one side of the rotating pipe (21) and is located inside the buffer tank (1212), and is used to guide the water inside the buffer tank (1212) into the guide sleeve (22) through the rotating pipe (21).

4. A cooling triangle cleaning device for an indirect cooling tower according to claim 3, characterized in that: The cleaning unit (2) further comprises: A driven wheel (26) is fixedly connected to the lower end of the rotating tube (21), and a receiving groove (1211) for receiving the driven wheel (26) is provided inside the bearing plate (121) and outside the driven wheel (26); A driving wheel (27) meshing with the driven wheel (26); A driving motor (28) is installed inside the bearing plate (121) and connected to the lower end of the driving wheel (27), and is used to drive the rotating tube (21) to switch the angle.

5. The cooling triangle cleaning device for an indirect cooling tower according to claim 4, characterized in that: The guide assembly (11) comprises: A guide rail (111) fixedly connected to the upper end of the bearing plate (121); A T-shaped groove (112) is provided at the upper end of the guide rail (111), and the T-shaped groove (112) is in an inverted T shape; A guide block (113) is slidably inserted into the T-shaped groove (112); The guide rod (114) has a lower end fixedly connected to the upper end of the guide block (113), and an upper end fixedly connected to the lower end of the telescopic tube (23), and is used to drive the telescopic tube (23) to telescope along the guide sleeve (22).

6. The cooling triangle cleaning device for an indirect cooling tower according to claim 5, characterized in that: The track of the guide rail (111) is in the shape of a triangle, and each side of the guide rail (111) is equidistant from the inner wall corresponding to the cooling triangle (101).

7. The cooling triangle cleaning device for an indirect cooling tower according to claim 2, characterized in that: The lifting unit (3) comprises: The fixing blocks (31) are provided in three groups and are respectively fixedly connected to the three corners corresponding to the bearing plate (121); the fixing blocks (31) are provided with retreat grooves (311) inside; A push plate (312) is slidably inserted into the retreat groove (311); Two groups of push rods (32) are fixedly connected to one side of each push plate (312), and the push rods (32) pass through the fixed block (31) from the inside of the retreat groove (311) to the outside; The driving wheel (33) is rotatably connected to one end of the push rod (32) opposite to the push plate (312), and the outer side of the driving wheel (33) contacts the corner of the cooling triangle (101).

8. The cooling triangle cleaning device for an indirect cooling tower according to claim 7, characterized in that: The outer side of the driving wheel (33) is V-shaped and opened to increase the contact area with the corner inside the cooling triangle (101).

9. The cooling triangle cleaning device for an indirect cooling tower according to claim 8, characterized in that: A threaded hole (3121) is provided in the middle of the push plate (312); The threaded hole (3121) is internally threadedly connected with a rotating shaft (34) for adjusting the position of the push plate (312) in the retreat groove (311); One end of the rotating shaft (34) is located outside the fixed block (31), and the other end is located inside the fixed block (31); One end of the rotating shaft (34) located inside the fixed block (31) is fixedly connected to a limiting block (341) for limiting the position of the rotating shaft (34); a circular groove (313) for accommodating the limiting block (341) is provided inside the fixed block (31).

10. The cooling triangle cleaning device for an indirect cooling tower according to claim 1, characterized in that: Heat exchange fins (1012) are distributed on both sides of the interior of the cooling triangle (101); A louver (1011) is provided on one side of the interior of the cooling triangle (101) adjacent to the heat exchange fins (1012).

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