A water distribution device for a large-scale high-level water collecting cooling tower

Abstract

The present invention discloses a water distribution device for a large-scale high-position water collection cooling tower, which includes a cooling tower. Four groups of tower bases are symmetrically arranged around the lower end of the cooling tower. A central stepped platform is fixedly installed at the center of the lower end inside the cooling tower. A plurality of pipe networks are respectively installed around the central stepped platform. A high-position water collection mechanism is arranged at the lower end of each of the plurality of pipe networks. A water collection mechanism is fixedly installed at the lower end of the high-position water collection mechanism. A support frame is fixedly installed at the lower end of the water collection mechanism. A water distribution tank is fixedly installed at the lower end in the middle of the central stepped platform, and the outer side surface of the water distribution tank is communicated with the pipe network. By setting the high-position water collection mechanism and the pipe network, the present invention solves the problems that there are rain areas in the existing conventional cooling towers, the air resistance for the cold air outside the tower to penetrate through the air inlets around the tower and enter the central area of the tower during operation is relatively large, which affects the heat exchange effect in the inner area of the cooling tower, the inner area of the cooling tower cannot be fully heat-exchanged, and the heat exchange effect is not good.

Description

Technical Field

[0001] The present invention relates to the technical field of high-level water collection cooling towers, and specifically to a water distribution device for a large-scale high-level water collection cooling tower. Background Art

[0002] A high-level water collection cooling tower is a large cooling structure used in the wet cooling units of thermal power plants, nuclear power plants, and the cooling systems of the chemical industry. The main difference between a high-level water collection cooling tower and a conventional cooling tower is that a layer of high-level water collection device is added under the cooling filler, raising the water level in the lower pool inside the tower, saving the power loss of transporting cooling water, and reducing noise.

[0003] Existing conventional cooling towers have a rain area. When operating, the air resistance of the cold air outside the tower passing through the air inlets around the tower and entering the central area of the tower is relatively large, affecting the heat exchange effect in the inner area of the cooling tower. Therefore, the design of the water distribution system of conventional cooling towers needs to consider the significant difference in the air flow field between the inner and outer water distribution areas caused by the existence of the rain area. The inner area of the cooling tower cannot be fully heat exchanged, and the heat exchange effect is not good. For existing large-scale high-level water collection cooling towers, most of the mechanisms are integrally cast. When a mechanism is damaged, the whole mechanism needs to be replaced, and the maintenance process is cumbersome and inconvenient. For this reason, we propose a water distribution device for a large-scale high-level water collection cooling tower. Summary of the Invention

[0004] The purpose of the present invention is to provide a water distribution device for a large-scale high-level water collection cooling tower to solve the problems in the above-mentioned background art: existing conventional cooling towers have a rain area, and when operating, the air resistance of the cold air outside the tower passing through the air inlets around the tower and entering the central area of the tower is relatively large, affecting the heat exchange effect in the inner area of the cooling tower. Therefore, the design of the water distribution system of conventional cooling towers needs to consider the significant difference in the air flow field between the inner and outer water distribution areas caused by the existence of the rain area. The inner area of the cooling tower cannot be fully heat exchanged, and the heat exchange effect is not good. For existing large-scale high-level water collection cooling towers, most of the mechanisms are integrally cast. When a mechanism is damaged, the whole mechanism needs to be replaced, and the maintenance process is cumbersome and inconvenient. For this reason, we propose a water distribution device for a large-scale high-level water collection cooling tower.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A water distribution device for a large-scale high-level water collection cooling tower, including a cooling tower, four groups of tower bases are symmetrically arranged around the lower end of the cooling tower respectively, a central stepped platform is fixedly installed at the center of the lower end inside the cooling tower, a plurality of pipe networks are installed around the central stepped platform respectively, a high-level water collection mechanism is arranged at the lower end of each of the plurality of pipe networks, a water collection mechanism is fixedly installed at the lower end of the high-level water collection mechanism, and a support frame is fixedly installed at the lower end of the water collection mechanism.

[0006] Preferably, a water distribution tank is fixedly installed at the lower end in the middle of the central stepped platform, and the outer side surface of the water distribution tank is communicated with the pipe network. An output water pipe is fixedly installed at the lower end inside the water distribution tank, and a filler is arranged between the output water pipe and the water distribution tank.

[0007] Preferably, the high-level water collection mechanism includes a water collection pipe. On both sides of the upper end of the water collection pipe, bolt grooves are provided. In the bolt grooves, second bolts are movably installed. On the right side of the second bolts, second nuts are movably installed, and the second bolts and the second nuts are screwed and fixed. At the upper end inside the second bolts, a water collection elbow is movably installed, and the inner diameter of the water collection elbow is the same as the inner diameter of the upper end of the water collection pipe.

[0008] Preferably, two groups of separators are fixedly installed at the lower end inside the water collection pipe. A first bolt is movably installed in the middle of the lower outer side of the water collection pipe, and the first bolt penetrates through the two groups of separators. On the right end face of the first bolt, a first nut is movably connected, and the left side face of the first nut is in contact with the lower outer side of the water collection pipe.

[0009] Preferably, the water collection mechanism includes a water collection pipe. Two groups of short fixators are movably connected to the upper end of the water collection pipe, and the upper end faces of the two groups of short fixators are flush with the upper end face of the water collection pipe. Two groups of third key grooves are respectively horizontally provided at the centers of both sides of the two groups of short fixators.

[0010] Preferably, a long fixator is movably installed in the middle of the lower end of the water collection pipe, and the inner diameter of the long fixator is the same as the outer diameter of the water collection pipe. Two groups of first key grooves are respectively provided on the outer side faces of both ends of the long fixator. A long fixing block is movably installed on the lower end face of the long fixator. One group of second key grooves are respectively provided at both ends of the outer side face of the long fixing block. A connecting bottom block is fixedly installed on the lower end face of the long fixing block. Two groups of connecting circular grooves are respectively provided at both ends of the outer side face of the connecting bottom block. The lower end face of the connecting bottom block is flush with the lower end face of the water collection pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: The large-scale high-level water collection cooling tower water distribution device is provided with a high-level water collection mechanism and a pipeline network. When the cooling tower starts to work, the pipelines inside the pipeline network pass through water flow to cool and sublime the generated steam into water droplets. The cooled cooling water reaches the water collection elbows at the upper ends of the high-level water collection mechanism respectively through the pipeline network nearby. The cooling water flows to the bottom through the water collection pipe. The separators at the bottom remove impurities in the cooling water. Then the cooling water flows downward and enters the water collection pipe. The lower ends of the water collection pipes all extend into the distribution tank. Through the output pipes in the distribution tank, the cooling water is transmitted. By providing the high-level water collection mechanism and the pipeline network, the large-scale high-level water collection cooling tower water distribution device solves the problems existing in the existing conventional cooling towers, such as the existence of a rain area, the relatively large air resistance when the cold air outside the tower penetrates through the peripheral air inlets of the tower and enters the central area of the tower during operation, which affects the heat exchange effect in the inner area of the cooling tower, the inner area of the cooling tower cannot be fully heat exchanged, and the heat exchange effect is not good.

[0012] The water distribution device of this large-scale high-position water collection cooling tower is provided with a water collection mechanism. The overall water distribution device of the cooling tower is installed in a segmented manner. Between the water collection pipe and the water collection elbow in the high-position water collection mechanism, they are connected by screwing the second bolt with the second nut. Two groups of separators are fixedly connected to the inner side of the water collection pipe by screwing the first bolt with the first nut. In the water collection mechanism, the long fixing block, the long fixator, the short fixator and the connecting bottom block are all provided with key grooves, and each segment is connected and fixed by bolts and nuts. By setting the whole of this large-scale high-position water collection cooling tower water distribution device to be installed in a segmented manner and largely using bolts and key grooves for splicing, it solves the problem that in traditional large-scale high-position water collection cooling towers, most mechanisms are integrally cast. When a mechanism is damaged, the whole mechanism needs to be replaced, and the maintenance process is cumbersome and inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Fig. is the overall structural schematic diagram of a water distribution device of a large-scale high-position water collection cooling tower of the present invention;

[0014] Figure 2 Fig. is the side view of a partial bottom end of a water distribution device of a large-scale high-position water collection cooling tower of the present invention;

[0015] Figure 3 Fig. is the top view of a water distribution device of a large-scale high-position water collection cooling tower of the present invention;

[0016] Figure 4 Fig. is the cross-sectional view of the high-position water collection mechanism in a water distribution device of a large-scale high-position water collection cooling tower of the present invention;

[0017] Figure 5 Fig. is the overall schematic diagram of the water collection mechanism in a water distribution device of a large-scale high-position water collection cooling tower of the present invention.

[0018] In the figure: 1, cooling tower; 2, tower base; 3, support frame; 4, high-position water collection mechanism; 401, water collection pipe; 402, first nut; 403, first bolt; 404, second nut; 405, separator; 406, second bolt; 407, water collection elbow; 5, water collection mechanism; 501, water collection pipe; 502, long fixator; 503, first key groove; 504, long fixing block; 505, second key groove; 506, connecting bottom block; 507, short fixator; 508, third key groove; 509, connecting circular groove; 6, water distribution tank; 7, output water pipe; 8, pipe network; 9, central stepped platform. DETAILED DESCRIPTION OF THE INVENTION

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-5 , the present invention provides a technical solution: a water distribution device for a large-scale high-position water collection cooling tower, including a cooling tower 1. Four groups of tower bases 2 are symmetrically arranged around the lower end of the cooling tower 1. A central stepped platform 9 is fixedly installed at the center of the lower end inside the cooling tower 1. A plurality of pipe networks 8 are installed around the central stepped platform 9. A high-position water collection mechanism 4 is arranged at the lower end of each of the plurality of pipe networks 8. A water collection mechanism 5 is fixedly installed at the lower end of the high-position water collection mechanism 4. A support frame 3 is fixedly installed at the lower end of the water collection mechanism 5.

[0021] A water distribution tank 6 is fixedly installed at the lower end of the middle of the central stepped platform 9, and the outer side surface of the water distribution tank 6 is communicated with the pipe network 8. An output water pipe 7 is fixedly installed at the lower end of the inside of the water distribution tank 6, and a filler is arranged between the output water pipe 7 and the water distribution tank 6.

[0022] The high-position water collection mechanism 4 includes a water collection pipe 401. Bolt grooves are opened on both sides of the upper end of the water collection pipe 401. A second bolt 406 is movably installed in the bolt groove. A second nut 404 is movably installed on the right side of the second bolt 406, and the second bolt 406 is screwed and fixed with the second nut 404. A water collection elbow 407 is movably installed at the upper end of the inner side of the second bolt 406, and the inner diameter of the water collection elbow 407 is the same as the inner diameter of the upper end of the water collection pipe 401.

[0023] Two separators 405 are fixedly installed at the lower end of the inside of the water collection pipe 401. A first bolt 403 is movably installed in the middle of the lower end of the outer side surface of the water collection pipe 401, and the first bolt 403 penetrates through the two separators 405. A first nut 402 is movably connected to the right end face of the first bolt 403, and the left side surface of the first nut 402 is in contact with the outer side surface of the lower end of the water collection pipe 401.

[0024] Through the above technical solution: The water distribution device of this large-scale high-level water collection cooling tower is provided with a high-level water collection mechanism 4 and a pipe network 8. When the cooling tower 1 starts to work, the internal pipes of the pipe network 8 pass water flow, and the generated steam is cooled and sublimated into water droplets. The cooled cooling water reaches the water collection elbow 407 at the upper end of the high-level water collection mechanism 4 respectively through the pipe network 8. The cooling water flows to the bottom through the water collection pipe 401. The separator 405 at the bottom removes impurities in the cooling water. Then the cooling water flows downward and reaches the inside of the water collection pipe 501. The lower ends of the water collection pipes 501 all extend into the water distribution tank 6. Through the output water pipes 7 in the water distribution tank 6, the cooling water is transmitted out. By setting the high-level water collection mechanism 4 and the pipe network 8, the water distribution device of this large-scale high-level water collection cooling tower solves the problems existing in the existing conventional cooling tower 1, such as the rain area, the large air resistance when the outside cold air passes through the peripheral air inlets of the tower and enters the central area of the tower during operation, which affects the heat exchange effect in the inner area of the cooling tower 1, the inner area of the cooling tower 1 cannot be fully heat exchanged, and the heat exchange effect is not good.

[0025] The water collection mechanism 5 includes a water collection pipe 501. Two groups of short fixators 507 are movably connected to the upper end of the water collection pipe 501, and the upper end surfaces of the two groups of short fixators 507 are flush with the upper end surface of the water collection pipe 501. Two groups of No. 3 key grooves 508 are respectively horizontally opened at the centers of the two sides of the two groups of short fixators 507.

[0026] A long fixator 502 is movably installed in the middle of the lower end of the water collection pipe 501, and the inner diameter of the long fixator 502 is the same as the outer diameter of the water collection pipe 501. Two groups of No. 1 key grooves 503 are respectively opened on the outer side surfaces of the two ends of the long fixator 502. A long fixing block 504 is movably installed on the lower end surface of the long fixator 502. One group of No. 2 key grooves 505 are respectively opened at the two ends of the outer side surface of the long fixing block 504. A connecting bottom block 506 is fixedly installed on the lower end surface of the long fixing block 504. Two groups of connecting circular grooves 509 are respectively opened at the two ends of the outer side surface of the connecting bottom block 506. The lower end surface of the connecting bottom block 506 is flush with the lower end surface of the water collection pipe 501.

[0027] Through the above technical solution: The water distribution device of this large-scale high-level water collection cooling tower is provided with a water collection mechanism 5. The overall water distribution device of this cooling tower 1 is installed in a segmented manner. The water collection pipe 401 and the water collection elbow 407 in the high-level water collection mechanism 4 are connected by screwing a No. 2 bolt 406 with a No. 2 nut 404. The two groups of separators 405 are fixedly connected to the inner side of the water collection pipe 401 by screwing a No. 1 bolt 403 with a No. 1 nut 402. In the water collection mechanism 5, the long fixing block 504, the long fixator 502, the short fixator 507 and the connecting bottom block 506 are all provided with key grooves, and each segment is connected and fixed by bolts and nuts. By setting the whole as a segmented installation and widely using bolts and key grooves for splicing, the water distribution device of this large-scale high-level water collection cooling tower solves the problems of the traditional large-scale high-level water collection cooling tower 1. Most of the mechanisms are integrally cast. When a mechanism is damaged, the whole mechanism needs to be replaced, and the maintenance process is cumbersome and inconvenient.

[0028] Working principle: For this type of water collection device of large-scale high-position water collection cooling tower, first, when the cooling tower 1 starts to work, the internal pipes of the pipe network 8 pass through water flow, and the generated steam is cooled and sublimated into water droplets. The cooled cooling water reaches the water collection elbow 407 at the upper end of the high-position water collection mechanism 4 near the pipe network 8 respectively. The cooling water flows to the bottom through the water collection pipe 401. The separator 405 at the bottom removes impurities in the cooling water. Then the cooling water flows downward and reaches the inside of the water collection pipe 501. The lower ends of the water collection pipes 501 all extend into the water distribution tank 6. Through the output pipe 7 in the water distribution tank 6, the cooling water is transmitted. By setting the high-position water collection mechanism 4 and the pipe network 8, this water collection device of large-scale high-position water collection cooling tower solves the problems existing in the existing conventional cooling tower 1, such as the rain area, the large air resistance when the cold air outside the tower penetrates through the air inlets around the tower and enters the central area of the tower during operation, which affects the heat exchange effect in the inner area of the cooling tower 1, the inner area of the cooling tower 1 cannot be fully heat-exchanged, and the heat exchange effect is not good. The water distribution device of this cooling tower 1 is installed in a segmented manner as a whole. Between the water collection pipe 401 and the water collection elbow 407 in the high-position water collection mechanism 4, they are connected by screwing the second bolt 406 with the second nut 404. The two groups of separators 405 are fixedly connected to the inner side of the water collection pipe 401 by screwing the first bolt 403 with the first nut 402. In the water collection mechanism 5, the long fixing block 504, the long fixator 502, the short fixator 507 and the connecting bottom block 506 are all provided with key grooves, and each segment is connected and fixed by bolts and nuts. By setting the whole as a segmented installation and widely using bolts and key grooves for splicing, this water collection device of large-scale high-position water collection cooling tower solves the problem that in the traditional large-scale high-position water collection cooling tower 1, most of the mechanisms are integrally cast. When a mechanism is damaged, the whole mechanism needs to be replaced, and the maintenance process is cumbersome and inconvenient.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water distribution device for a large high-level water collection cooling tower, comprising a cooling tower (1), characterized in that: Four groups of tower bases (2) are symmetrically arranged around the lower end of the cooling tower (1). A central stepped platform (9) is fixedly installed at the center of the lower end inside the cooling tower (1). A plurality of pipe networks (8) are respectively installed around the central stepped platform (9). High-level water collection mechanisms (4) are arranged at the lower ends of the plurality of pipe networks (8). A water collection mechanism (5) is fixedly installed at the lower end of the high-level water collection mechanism (4). A support frame (3) is fixedly installed at the lower end of the water collection mechanism (5). A water distribution tank (6) is fixedly installed at the lower end in the middle of the central stepped platform (9), and the outer side surface of the water distribution tank (6) communicates with the pipe network (8). An output water pipe (7) is fixedly installed at the lower end inside the water distribution tank (6), and a filler is arranged between the output water pipe (7) and the water distribution tank (6). The high-level water collection mechanism (4) includes a water collection pipe (401). Bolt grooves are formed on both sides of the upper end of the water collection pipe (401). A second bolt (406) is movably installed in the bolt grooves. A second nut (404) is movably installed on the right side of the second bolt (406), and the second bolt (406) is screwed and fixed with the second nut (404). A water collection elbow (407) is movably installed at the upper end inside the second bolt (406), and the inner diameter of the water collection elbow (407) is the same as the inner diameter of the upper end of the water collection pipe (401).

2. The water distribution device of a large-scale high-position water collection cooling tower according to claim 1, wherein: Two separators (405) are fixedly installed at the lower end inside the water collection pipe (401). A first bolt (403) is movably installed in the middle of the lower side surface of the water collection pipe (401), and the first bolt (403) penetrates through the two separators (405). A first nut (402) is movably connected to the right end face of the first bolt (403), and the left side surface of the first nut (402) contacts the lower side surface of the water collection pipe (401).

3. The water distribution device of a large-scale high-position water collection cooling tower according to claim 1, wherein: The water collection mechanism (5) includes a water collection pipe (501). Two short fixators (507) are movably connected to the upper end of the water collection pipe (501), and the upper end faces of the two short fixators (507) are flush with the upper end face of the water collection pipe (501). Two third key grooves (508) are respectively formed horizontally at the centers of both sides of the two short fixators (507).

4. The water distribution device of a large high-level water collection cooling tower according to claim 3, characterized in that: A long fixator (502) is movably installed in the middle of the lower end of the water collection pipe (501), and the inner diameter of the long fixator (502) is the same as the outer diameter of the water collection pipe (501). Two first key grooves (503) are respectively formed on the outer side surfaces of both ends of the long fixator (502). A long fixing block (504) is movably installed on the lower end face of the long fixator (502). One second key groove (505) is respectively formed at both ends of the outer side surface of the long fixing block (504). A connecting bottom block (506) is fixedly installed on the lower end face of the long fixing block (504). Two connecting circular grooves (509) are respectively formed at both ends of the outer side surface of the connecting bottom block (506). The lower end face of the connecting bottom block (506) is flush with the lower end face of the water collection pipe (501).

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