Closed cross-flow cooling tower easy to maintain

Abstract

The utility model belongs to the technical field of cooling towers, particularly relates to a closed cross-flow cooling tower easy to maintain, and aims to solve the problems that an existing cooling tower is integrated, after internal parts are damaged, a worker needs to enter the tower for maintenance, meanwhile, due to the fact that the available space in the tower is small, the maintenance is inconvenient, and the maintenance efficiency is reduced. According to the scheme, the cooling device comprises a water tank, a shutter frame, a cooling frame, a water spraying frame and a fan frame which are sequentially spliced, a flow guide pipe used for guiding external hot water is arranged in the cooling frame, the flow guide pipe is spiral, the water inlet end of the flow guide pipe is located on the upper portion, and the water outlet end of the flow guide pipe is located on the lower portion and used for increasing the hot water flowing stroke; according to the cooling tower, the cooling tower is arranged to be in a multi-section splicing type, so that after the cooling tower is disassembled, the maintenance space can be increased, meanwhile, the cooling tower is convenient to transport, a certain position can be conveniently replaced and maintained, and the cooling tower is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling towers, in particular to a closed cross-flow cooling tower which is easy to maintain. Background Art

[0002] Closed cooling tower, referred to as closed cooling tower, (also called evaporative air cooler, closed cooling tower) places a tubular heat exchanger in the tower, and ensures the cooling effect through the heat exchange of circulating air, spray water and circulating water. Because it is a closed cycle, it can ensure that the water quality is not polluted, which well protects the efficient operation of the main equipment and increases its service life. When the outside temperature is low, the spray water system can be stopped to save water.

[0003] After searching, the utility model with announcement number CN219531734U discloses a low-noise cross-flow closed cooling tower, including a closed cooling tower body, the surface of the closed cooling tower body is sleeved with a fixed plate, and the bottom end of the fixed plate is fixedly connected with a fixed support plate, the inner wall of the fixed support plate is connected to the surface of the closed cooling tower body, and the surface of the fixed plate is evenly provided with rectangular grooves. The utility model drives the fan blades to rotate by rotating the connecting rod, and cooperates with the bevel gear through the transmission mechanism, so as to facilitate driving multiple groups of fan blades to rotate at the same time, and the external air can be accelerated to be pumped to the bottom end of the closed cooling tower body through the fan blades, so as to facilitate the cooling speed, and the impurities in the air can be filtered through the filter plate to avoid the return journey entering the interior of the closed cooling tower body, so as to avoid affecting the use of internal parts, and the surface of the filter plate can be conveniently cleaned by pulling the cleaning scraper to avoid affecting the use.

[0004] The cooling tower also has the following disadvantages during use: when in use, impurities in the air are filtered through a filter plate, and then the impurities on the filter plate are scraped off by a scraper so that they will not affect the use of internal components. However, it is an integrated type, and after the internal components are damaged, manual maintenance is required. At the same time, since the space that can be used in the tower is relatively small, maintenance is inconvenient and maintenance efficiency is reduced. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the cooling tower is an integrated type and when the internal parts are damaged, manual entry into the tower is required for maintenance. At the same time, since the available space in the tower is relatively small, maintenance is inconvenient and the maintenance efficiency is reduced. A closed cross-flow cooling tower that is easy to maintain is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A closed cross-flow cooling tower that is easy to maintain, comprising a water tank, a shutter frame, a cooling frame, a water spray frame and a fan frame that are sequentially connected, wherein a guide pipe for guiding external hot water is provided inside the cooling frame, and the guide pipe is spiral-shaped, with a water inlet end located at the top and a water outlet end located at the bottom, so as to increase the flow distance of hot water;

[0008] A third connecting pipe, the third connecting pipe is arranged in the water spray frame, a plurality of spray pipes are fixedly provided through the outer wall of the third connecting pipe, a water pump is provided on one side of the water tank, a first connecting pipe is fixedly provided at the water inlet end of the water pump, the other end of the first connecting pipe extends into the water tank, a second connecting pipe is fixedly provided at the water outlet end of the water pump, the other end of the second connecting pipe is communicated with the third connecting pipe, and is used to pump water inside the water tank to cool the guide pipe;

[0009] An axial flow fan, which is fixedly mounted on the top of the fan frame and is used to discharge heat from the cooling frame, the water spray frame and the fan frame;

[0010] A fixing mechanism, arranged in the water spray frame, for positioning the spray pipe;

[0011] The limiting mechanism is arranged in the cooling frame and is used for positioning the flow guide pipe.

[0012] In a possible design, the fixing mechanism includes two support bars fixed on the inner wall of the water spray frame, the nozzle is located on the top of the support bars, and a plurality of clamping rings are fixed on the top of the support bars. The clamping rings are clamped with the corresponding nozzles for positioning the nozzles.

[0013] In a possible design, the limiting mechanism includes a plurality of support frames fixedly mounted on the inner wall of the cooling frame, and a positioning groove corresponding to the flow guide pipe is formed on one side of the support frame for limiting the flow guide pipe.

[0014] In a possible design, one end of the third connecting pipe and both ends of the guide pipe are fixedly connected to the fourth connecting pipe, the outer walls of the three fourth connecting pipes are plugged with connectors, the three connectors are respectively penetrated and fixedly connected with the corresponding cooling frames and water spray frames, the end of the second connecting pipe away from the water pump is fixedly connected to the connector at one end of the third connecting pipe, and the connectors at both ends of the guide pipe are connected to external inlet and outlet water pipes.

[0015] In a possible design, a flange is fixedly sleeved on the outer wall of the connector, and a plurality of bolts are fixedly penetrated through one side of the flange. Three groups of the bolts are respectively threadedly connected to the cooling frame and the water spray frame.

[0016] In a possible design, the outer wall fixing sleeve of the fourth connecting pipe is provided with a positioning ring used in conjunction with the connecting head to limit the position of the connecting head.

[0017] In the present application, during installation, the water tank and the water pump are fixed on the ground, and then the first connecting pipe is installed between the water inlet end of the water pump and the water tank, and then the louver frame and the cooling frame are fixed on the water tank in sequence, and then the guide pipe is placed in the cooling frame so that the bottom end of the guide pipe is in contact with the corresponding positioning groove, and then the water spray frame is installed on the cooling frame, and the spray pipe is placed on the support bar and positioned by a clamping ring, and then the fan frame is fixed on the water spray frame, and the axial flow fan is fixed on the fan frame, and finally the three connectors are respectively inserted into the two ends of the guide pipe and one end of the third connecting pipe, and fixed to the cooling frame and the water spray frame by flanges and bolts, and the two connectors on the guide pipe are connected to the external water inlet and outlet pipes, and the second connecting pipe is installed on the water outlet end of the water pump and one end of the connector on the third connecting pipe, and the installation is now complete;

[0018] Then the external hot water enters the guide pipe, and at the same time, the water pump is started to pump the water in the water tank into the third connecting pipe and spray it into the guide pipe through the nozzle to cool the hot water in the guide pipe. When the temperature in the cooling frame is high, the axial flow fan is started to discharge the heat in the cooling frame to the outside;

[0019] When the nozzle and guide pipe need to be inspected and repaired, the fan frame, water spray frame and cooling frame can be removed in turn for maintenance.

[0020] Beneficial effects:

[0021] In the utility model, the closed cross-flow cooling tower which is easy to maintain is configured as a multi-stage cooling tower, so that the cooling tower can be disassembled in sequence during maintenance, which is convenient for maintenance of different areas, and can improve the maintenance efficiency, and avoid the small internal space and inconvenience for workers to enter;

[0022] In the utility model, the closed cross-flow cooling tower which is easy to maintain can further increase the maintenance space by setting the spray pipe and the water spray frame as well as the guide pipe and the cooling frame to be detachable, and the maintenance is more convenient. At the same time, it will not shake during use and is more stable.

[0023] In the utility model, by arranging the cooling tower into a multi-section splicing type, the maintenance space can be increased after the cooling tower is disassembled, and the transportation is convenient, and replacement and maintenance at a certain place are convenient, so the use is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional structural schematic diagram of a closed cross-flow cooling tower that is easy to maintain proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the decomposed structure of an easy-to-maintain closed cross-flow cooling tower proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the spray pipe structure of a closed cross-flow cooling tower that is easy to maintain proposed by the utility model;

[0027] Figure 4 This is a schematic diagram of the flow guide pipe structure of a closed cross-flow cooling tower that is easy to maintain proposed by the utility model;

[0028] Figure 5 The utility model provides a schematic diagram of the exploded structure of a connector of a closed cross-flow cooling tower which is easy to maintain.

[0029] In the figure: 1. water tank; 2. shutter frame; 3. cooling frame; 4. water spray frame; 5. fan frame; 6. axial flow fan; 7. water pump; 8. first connecting pipe; 9. second connecting pipe; 10. connector; 11. guide pipe; 12. nozzle; 13. third connecting pipe; 14. clamping ring; 15. support bar; 17. support frame; 18. positioning groove; 19. fourth connecting pipe; 20. positioning ring; 21. flange; 22. bolt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Example 1

[0032] Reference Figure 1-Figure 5 , a closed cross-flow cooling tower which is easy to maintain, which is used in the field of cooling towers, comprises: a water tank 1, a shutter frame 2, a cooling frame 3, a water spray frame 4 and a fan frame 5 which are sequentially connected, the cooling frame 3 is provided with a guide pipe 11 for guiding external hot water inside, and the guide pipe 11 is spiral, with its water inlet end located at the top and the water outlet end located at the bottom, so as to increase the flow distance of hot water;

[0033] A third connecting pipe 13 is arranged in the water spray frame 4, and a plurality of spray pipes 12 are fixedly provided through the outer wall of the third connecting pipe 13. A water pump 7 is provided on one side of the water tank 1. A first connecting pipe 8 is fixedly provided at the water inlet end of the water pump 7. The other end of the first connecting pipe 8 extends into the water tank 1. A second connecting pipe 9 is fixedly provided at the water outlet end of the water pump 7. The other end of the second connecting pipe 9 is communicated with the third connecting pipe 13, and is used to pump water inside the water tank 1 to cool the guide pipe 11;

[0034] An axial flow fan 6 is fixedly arranged on the top of the fan frame 5 and is used to discharge the heat in the cooling frame 3, the water spray frame 4 and the fan frame 5;

[0035] A fixing mechanism, disposed in the water spray frame 4, for positioning the spray pipe 12;

[0036] The limiting mechanism is arranged in the cooling frame 3 and is used to position the guide pipe 11. By disassembling the cooling tower into the water tank 1, the louver frame 2, the cooling frame 3, the water spray frame 4 and the fan frame 5, it is modularized, which is not only convenient for installation and maintenance, but also convenient for transportation. At the same time, the nozzle 12 and the guide pipe 11 can be positioned through the fixing mechanism and the limiting mechanism, so that they can be easily disassembled, which can effectively improve the maintenance efficiency.

[0037] The fixing mechanism includes two support bars 15 fixed on the inner wall of the water spray frame 4, the nozzle 12 is located at the top of the support bars 15, and a plurality of clamping rings 14 are fixed on the top of the support bars 15. The clamping rings 14 are clamped with the corresponding nozzles 12 for positioning the nozzles 12. By arranging the support bars 15 on the inner wall of the water spray frame 4, the nozzles 12 can be supported, and the clamping rings 14 are arranged on the support bars 15, so that the nozzles 12 can be clamped and limited to avoid shaking during use.

[0038] The limiting mechanism includes a plurality of support frames 17 fixedly arranged on the inner wall of the cooling frame 3. A positioning groove 18 corresponding to the guide tube 11 is provided on one side of the support frame 17 for limiting the guide tube 11. By arranging the support frame 17 in the cooling frame 3 and providing the positioning groove 18 corresponding to the guide tube 11 on the support frame 17, the guide tube 11 can be supported. Since there are support frames 17 all around the interior, the guide tube 11 will not move during use.

[0039] One end of the third connecting pipe 13 and both ends of the guide pipe 11 are fixedly connected with the fourth connecting pipe 19, and the outer walls of the three fourth connecting pipes 19 are plugged with connectors 10, and the three connectors 10 are respectively penetrated and fixedly connected with the corresponding cooling frame 3 and water spray frame 4. The end of the second connecting pipe 9 away from the water pump 7 is fixedly connected to the connector 10 at one end of the third connecting pipe 13, and the connectors 10 at both ends of the guide pipe 11 are connected to the external inlet and outlet pipes. Through the plugging of the fourth connecting pipe 19 and the connector 10, it is convenient to connect with the external pipeline, and the guide pipe 11 and the third connecting pipe 13 can be further limited.

[0040] Example 2

[0041] refer to Figure 1-Figure 5 , improved on the basis of Example 1:

[0042] The outer wall fixing sleeve of the fourth connecting tube 19 is provided with a positioning ring 20 used in conjunction with the connecting head 10 for limiting the position of the connecting head 10. By providing the positioning ring 20 on the fourth connecting tube 19, it can be used in conjunction with the connecting head 10 to further position it.

[0043] The outer wall of the connecting head 10 is fixedly sleeved with a flange 21, and a plurality of bolts 22 are fixedly provided through one side of the flange 21. The three groups of bolts 22 are respectively threadedly connected to the cooling frame 3 and the water spray frame 4. By arranging the flange 21 on the connecting head 10 and fixing the flange 21 to the cooling frame 3 and the water spray frame 4 by the bolts 22, the fixing is more secure.

[0044] However, as is well known to those skilled in the art, the working principles and wiring methods of the axial flow fan 6 and the water pump 7 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A closed cross-flow cooling tower that is easy to maintain, comprising a water tank (1), a shutter frame (2), a cooling frame (3), a water spray frame (4) and a fan frame (5) which are sequentially connected, characterized in that: The cooling frame (3) is provided with a guide pipe (11) for guiding external hot water inside, and the guide pipe (11) is spiral-shaped, with its water inlet end located at the top and the water outlet end located at the bottom, so as to increase the flow distance of the hot water; A third connecting pipe (13), the third connecting pipe (13) is arranged in the water spray frame (4), a plurality of spray pipes (12) are fixedly provided through the outer wall of the third connecting pipe (13), a water pump (7) is provided on one side of the water tank (1), a first connecting pipe (8) is fixedly provided at the water inlet end of the water pump (7), the other end of the first connecting pipe (8) extends into the water tank (1), a second connecting pipe (9) is fixedly provided at the water outlet end of the water pump (7), the other end of the second connecting pipe (9) is in communication with the third connecting pipe (13), and is used to pump water inside the water tank (1) to cool the guide pipe (11); An axial flow fan (6), the axial flow fan (6) being fixedly arranged on the top of the fan frame (5) and used for discharging heat from the cooling frame (3), the water spray frame (4) and the fan frame (5); A fixing mechanism, arranged in the water spray frame (4) and used for positioning the spray pipe (12); The limiting mechanism is arranged in the cooling frame (3) and is used to position the flow guide pipe (11).

2. The easily maintainable closed cross-flow cooling tower according to claim 1, characterized in that: The fixing mechanism comprises two support bars (15) fixedly arranged on the inner wall of the water spray frame (4); the spray pipe (12) is located on the top of the support bars (15); a plurality of clamping rings (14) are fixedly arranged on the top of the support bars (15); the clamping rings (14) are clamped with corresponding spray pipes (12) for positioning the spray pipes (12).

3. The easily maintainable closed cross-flow cooling tower according to claim 1, characterized in that: The limiting mechanism comprises a plurality of support frames (17) fixedly arranged on the inner wall of the cooling frame (3); a positioning groove (18) corresponding to the flow guide tube (11) is provided on one side of the support frame (17) for limiting the position of the flow guide tube (11).

4. The easily maintainable closed cross-flow cooling tower according to claim 1, characterized in that: One end of the third connecting pipe (13) and both ends of the guide pipe (11) are fixedly connected to a fourth connecting pipe (19); the outer walls of the three fourth connecting pipes (19) are plugged with connectors (10); the three connectors (10) are respectively penetrated and fixedly connected to the corresponding cooling frame (3) and water spray frame (4); one end of the second connecting pipe (9) away from the water pump (7) is fixedly connected to the connector (10) at one end of the third connecting pipe (13); and the connectors (10) at both ends of the guide pipe (11) are connected to external water inlet and outlet pipes.

5. The easily maintainable closed cross-flow cooling tower according to claim 4, characterized in that: The outer wall of the connector (10) is fixedly sleeved with a flange (21), and a plurality of bolts (22) are fixedly penetrated through one side of the flange (21). Three groups of the bolts (22) are respectively threadedly connected to the cooling frame (3) and the water spray frame (4).

6. The easily maintainable closed cross-flow cooling tower according to claim 5, characterized in that: The outer wall fixing sleeve of the fourth connecting pipe (19) is provided with a positioning ring (20) used in conjunction with the connecting head (10) and used to limit the position of the connecting head (10).

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