Circulating water recycling device of dry-wet combined cooling tower

Abstract

The utility model relates to the technical field of cooling tower water circulation, and discloses a circulating water recycling device of a dry-wet combined cooling tower, which solves the problem that the existing cooling water circulating device is poor in using effect, and comprises a circulating water recycling cooling tower body, a plurality of air inlet grooves are formed in the bottom end of the side edge of the circulating water recycling cooling tower body, and a plurality of air outlet grooves are formed in the air inlet grooves. An exhaust hood is arranged at the top end of the circulating water recovery cooling tower body, an exhaust fan is arranged in the exhaust hood, a cooling medium water heat exchange mechanism is arranged at the top end in the circulating water recovery cooling tower body, and a spray cooling mechanism is arranged on one side of the circulating water recovery cooling tower body. The cooling medium water heat exchange mechanism is composed of a hot water inlet pipe, a combined air cooling heat exchange pipe, a communicating pipe, a combined spraying heat exchange pipe and a cold water return pipe. The spraying cooling mechanism is composed of a circulating water pump, a water guide pipe, a first spraying coil pipe and a plurality of spraying heads. By means of the recycling device, cooling water can be recycled, the purpose of saving water is achieved, and the cooling effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling tower water circulation, in particular to a dry-wet combined cooling tower circulating water recovery and reuse device. Background Art

[0002] Water cooling has high cooling and heat dissipation efficiency, so it is widely used. At present, conventional water cooling equipment requires the installation of a cooling tower. During the cooling process, continuous water supply needs to be achieved through the cooling tower. The hot water formed after cooling is directly discharged, and cooling water needs to be continuously supplied to the inside of the cooling tower, resulting in a waste of water resources. Therefore, this application proposes a dry-wet combined cooling tower circulating water recovery and reuse device, which can not only ensure that the cooling water temperature meets various process requirements, but also can operate stably for a long time, save water, reduce emissions, reduce the structure of process equipment, and improve the life of process equipment. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a dry-wet combined cooling tower circulating water recovery and reuse device, which effectively solves the problem of poor performance of the existing cooling water circulation device.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry-wet combined cooling tower circulating water recycling and reuse device, comprising a circulating water recycling cooling tower body, a plurality of air inlet slots are opened at the bottom end of the side of the circulating water recycling cooling tower body, an exhaust hood is fixedly provided at the top of the circulating water recycling cooling tower body, an exhaust fan is fixedly provided inside the exhaust hood, a cooling medium water heat exchange mechanism is inserted through the top of the inner part of the circulating water recycling cooling tower body, a spray cooling mechanism is inserted through one side of the circulating water recycling cooling tower body, a condensation water-saving mechanism is inserted through the other side of the circulating water recycling cooling tower body, a spray water collecting tank is formed at the bottom end of the inner part of the circulating water recycling cooling tower body, the cooling medium water heat exchange mechanism is composed of a hot water inlet pipe, a group The combined air-cooled heat exchange pipe is composed of a connecting pipe, a combined spray heat exchange pipe and a cold water return pipe. The hot water inlet pipe and the cold water return pipe are both inserted and connected to the circulating water recovery cooling tower body. One end of the combined air-cooled heat exchange pipe is connected to the hot water inlet pipe. The combined spray heat exchange pipe is located at the bottom of the combined air-cooled heat exchange pipe and is connected to it through a connecting pipe. The cold water return pipe is fixedly connected to the bottom end of the combined spray heat exchange pipe. The spray cooling mechanism is composed of a circulating water pump, a water guide pipe, a spray coil and several spray heads. The water inlet of the circulating water pump is connected to the spray water collecting tank. The spray coil is located between the combined air-cooled heat exchange pipe and the combined spray heat exchange pipe and is connected to the circulating water pump through the water guide pipe. The spray head is fixedly connected to the bottom end of the spray coil.

[0005] Preferably, the combined air-cooled heat exchange tube is composed of a plurality of air-cooled coils, a plurality of connecting short tubes and a plurality of fins. The air-cooled coils are connected end to end in sequence through the connecting short tubes, and the fins are fixedly connected to the outer surface of the air-cooled coils.

[0006] Preferably, the combined spray heat exchange tube is composed of a plurality of spray coils 2 and a plurality of connecting short tubes 2, and the spray coils 2 are connected end to end in sequence through the connecting short tubes 2.

[0007] Preferably, an isolation mesh cover and an inlet fan are fixedly provided inside the air inlet slot.

[0008] Preferably, a support beam is fixedly provided at the top of the circulating water recovery cooling tower body, the exhaust fan is fixedly connected to the middle position of the top of the support beam, and a plurality of reinforcement arms are fixedly provided at the bottom end of the support beam, which are fixedly connected to the cooling medium water heat exchange mechanism, the spray cooling mechanism and the condensation water-saving mechanism.

[0009] Preferably, a water level sensor is fixedly provided on one side of the interior of the spray water collecting tank, and a water supply pipe is inserted through one side of the circulating water recovery cooling tower body.

[0010] Preferably, the condensation water-saving mechanism is composed of a small water pump, a water supply pipe, a condensation coil, a plurality of condensation fins and a drain pipe. The water inlet of the small water pump is connected to the spray water collection tank, the condensation coil is connected to the small water pump through the water supply pipe, the condensation fins are fixedly connected to the outer surface of the condensation coil, and the drain pipe is fixedly connected to the other end of the condensation coil.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] (1) During operation, the cooling water can be cooled by air by providing an air inlet trough, an air inlet fan, and a combined air-cooled heat exchange pipe composed of a plurality of air-cooled coils, a plurality of connecting short pipes 1, and a plurality of fins. The cooling water can be cooled by spraying by providing a spray cooling mechanism composed of a circulating water pump, a water guide pipe, a spray coil 1, and a plurality of spray heads, and a combined spray heat exchange pipe composed of a plurality of spray coils 2 and a plurality of connecting short pipes 2, so that the cooling water reaches the cooling temperature, thereby forming a circulating cooling system. During the cooling process, the cooling water does not come into contact with the outside air, thereby minimizing the loss of cooling water.

[0013] (2) By setting up a condensation water-saving mechanism consisting of a small water pump, a water supply pipe, a condensation coil, a number of condensation fins and a drain pipe, the water vapor from the spray cooling can be condensed and recovered, reducing the emission of water vapor, thereby reducing the loss of spray water and further achieving the purpose of water saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached figure:

[0016] Figure 1 This is a schematic diagram of the structure of the dry-wet combined cooling tower circulating water recovery and reuse device of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the dry-wet combined cooling tower circulating water recovery and reuse device of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the spray cooling mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cooling medium water heat exchange mechanism of the utility model;

[0020] Figure 5 This is a top view of the combined air-cooled heat exchange tube of the utility model;

[0021] Figure 6 This is a top view of the combined spray heat exchange tube of the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the condensation water-saving mechanism of the utility model;

[0023] Figure: 1. Circulating water recovery cooling tower; 2. Air inlet trough; 3. Exhaust hood; 4. Exhaust fan; 5. Cooling medium water heat exchange mechanism; 6. Spray cooling mechanism; 7. Condensation water saving mechanism; 8. Spray water collection tank; 9. Hot water inlet pipe; 10. Combined air-cooled heat exchange pipe; 11. Connecting pipe; 12. Combined spray heat exchange pipe; 13. Cold water return pipe; 14. Circulating water pump; 15. Water guide pipe; 16 , spray coil one; 17, sprinkler head; 18, air-cooled coil; 19, connecting short pipe one; 20, fin; 21, spray coil two; 22, connecting short pipe two; 23, isolation mesh cover; 24, air intake fan; 25, support beam; 26, reinforcement arm; 27, water level sensor; 28, water supply pipe; 29, small water pump; 30, water supply pipe; 31, condensing coil; 32, condensing fin; 33, drain pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] Depend on Figures 1 to 4 The utility model provides a dry-wet combined cooling tower circulating water recycling and reuse device, comprising a circulating water recycling cooling tower body 1, a plurality of air inlet slots 2 are opened at the bottom end of the side of the circulating water recycling cooling tower body 1, an exhaust hood 3 is fixedly provided at the top of the circulating water recycling cooling tower body 1, an exhaust fan 4 is fixedly provided inside the exhaust hood 3, a cooling medium water heat exchange mechanism 5 is interspersed at the top of the circulating water recycling cooling tower body 1, a spray cooling mechanism 6 is interspersed on one side of the circulating water recycling cooling tower body 1, a condensation water-saving mechanism 7 is interspersed on the other side of the circulating water recycling cooling tower body 1, a spray water collecting tank 8 is formed at the bottom end of the circulating water recycling cooling tower body 1, and the cooling medium water heat exchange mechanism 5 is composed of a hot water inlet pipe 9, a combined air-cooled heat exchange pipe 10, a connecting pipe 11, and a combined spray heat exchange pipe 1 2 and a cold water return pipe 13, the hot water inlet pipe 9 and the cold water return pipe 13 are both inserted and connected to the circulating water recovery cooling tower body 1, one end of the combined air-cooled heat exchange pipe 10 is connected to the hot water inlet pipe 9, the combined spray heat exchange pipe 12 is located at the bottom of the combined air-cooled heat exchange pipe 10 and is connected thereto through a connecting pipe 11, the cold water return pipe 13 is fixedly connected to the bottom end of the combined spray heat exchange pipe 12, the spray cooling mechanism 6 is composed of a circulating water pump 14, a water guide pipe 15, a spray coil 16 and a plurality of spray heads 17, the water inlet of the circulating water pump 14 is connected to the spray water collecting tank 8, the spray coil 16 is located between the combined air-cooled heat exchange pipe 10 and the combined spray heat exchange pipe 12 and is connected to the circulating water pump 14 through the water guide pipe 15, and the spray head 17 is fixedly connected to the bottom end of the spray coil 16;

[0026] When in use, the hot water inlet pipe 9 and the cold water return pipe 13 are connected to the equipment that needs water cooling, and the circulating pump inside the equipment drives the cooling water to circulate. The cooled water temperature rises, and the hot water enters the combined air-cooled heat exchange pipe 10. The exhaust fan 4 works to realize air flow, and the external air enters the interior of the circulating water recovery cooling tower body 1 through the air inlet slot 2, and flows through the combined air-cooled heat exchange pipe 10. At this time, air-cooled heat exchange is realized. If the external air temperature is low, there is no need to turn on the spray cooling mechanism 6. If the external air temperature is high, the spray cooling mechanism 6 is started, and the water inside the spray water collection tank 8 is extracted by the circulating water pump 14, and then transported to the spray head 17 through the water guide pipe 15 and the spray coil 16, and the water is sprayed to the combined The combined spray heat exchange tube 12 realizes spray heat exchange at this time, further reducing the water temperature of the cooling water inside the combined spray heat exchange tube 12. At this time, water vapor will form on the surface of the combined spray heat exchange tube 12. During the rising process of the water vapor, it will be liquefied when it comes into contact with the spray water. The liquefied water falls into the inside of the spray water collecting tank 8. The other part of the overflowed water vapor is further condensed by the condensation water-saving mechanism 7, thereby reducing the discharge of water vapor, avoiding the waste of spray water, and achieving the purpose of water saving. The cooling water inside the combined spray heat exchange tube 12 is transported to the inside of the equipment through the cold water return pipe 13 to realize circulating cooling of the equipment. In this process, the cooling water does not come into contact with the outside, thereby avoiding the loss of cooling water and improving the efficiency of circulating cooling.

[0027] Depend on Figures 4 to 6 The combined air-cooled heat exchange tube 10 is composed of a plurality of air-cooled coils 18, a plurality of connecting short tubes 19, and a plurality of fins 20. The air-cooled coils 18 are connected end to end in sequence through the connecting short tubes 19. The fins 20 are fixedly connected to the outer surface of the air-cooled coils 18. The combined spray heat exchange tube 12 is composed of a plurality of spray coils 21 and a plurality of connecting short tubes 22. The spray coils 21 are connected end to end in sequence through the connecting short tubes 22.

[0028] The fins 20 can improve the heat dissipation effect, and by providing multiple air-cooling coils 18 and spray coils 21, the cooling water path can be extended, further improving the efficiency of cooling water heat dissipation;

[0029] Depend on Figure 1 and Figure 2 It is given that an isolation mesh cover 23 and an inlet fan 24 are fixedly provided inside the air inlet slot 2, a support beam 25 is fixedly provided at the top of the circulating water recovery cooling tower body 1, the exhaust fan 4 is fixedly connected to the middle position of the top of the support beam 25, and a plurality of reinforcement arms 26 are fixedly provided at the bottom end of the support beam 25. The reinforcement arms 26 are fixedly connected to the cooling medium water heat exchange mechanism 5, the spray cooling mechanism 6 and the condensation water-saving mechanism 7. A water level sensor 27 is fixedly provided on one side of the spray water collecting tank 8, and a water supply pipe 28 is interspersed on one side of the circulating water recovery cooling tower body 1;

[0030] The air intake fan 24 can assist in air intake, improve air circulation efficiency, and thus improve the effect of dry air cooling and heat dissipation;

[0031] Depend on Figure 2 and Figure 7 The condensation water-saving mechanism 7 is composed of a small water pump 29, a water supply pipe 30, a condensation coil 31, a plurality of condensation fins 32 and a drain pipe 33. The water inlet of the small water pump 29 is connected to the spray water sump 8. The condensation coil 31 is connected to the small water pump 29 through the water supply pipe 30. The condensation fins 32 are fixedly connected to the outer surface of the condensation coil 31. The drain pipe 33 is fixedly connected to the other end of the condensation coil 31.

[0032] The small water pump 29 extracts water from the spray water collection tank 8, and the water enters the interior of the condensing coil 31 through the water supply pipe 30. The water vapor can be condensed by the condensing coil 31 and the condensing fins 32 to liquefy the water vapor.

[0033] During operation, the cooling water can be cooled by air by providing an air inlet slot, an inlet fan, and a combined air-cooled heat exchange tube composed of several air-cooled coils, several connecting short tubes and several fins. The cooling water can be cooled by air by providing a spray cooling mechanism composed of a circulating water pump, a water guide pipe, a spray coil and several spray heads, and a combined spray heat exchange tube composed of several spray coils and several connecting short tubes, so that the cooling water reaches the cooling temperature, thereby forming circulating cooling. During the cooling process, it does not come into contact with the outside air, and the loss of cooling water is avoided to the greatest extent. By providing a condensation water-saving mechanism composed of a small water pump, a water supply pipe, a condensation coil, several condensation fins and a drain pipe, the water vapor from the spray cooling can be condensed and recovered, and the emission of water vapor can be reduced, thereby reducing the loss of spray water and further achieving the purpose of saving water.

Claims

1. A dry-wet combined cooling tower circulating water recovery and reuse device, comprising a circulating water recovery cooling tower body (1), characterized in that: The bottom end of the side of the circulating water recovery cooling tower body (1) is provided with a plurality of air inlet slots (2), the top end of the circulating water recovery cooling tower body (1) is fixedly provided with an exhaust hood (3), the interior of the exhaust hood (3) is fixedly provided with an exhaust fan (4), the top end of the interior of the circulating water recovery cooling tower body (1) is interspersed with a cooling medium water heat exchange mechanism (5), one side of the circulating water recovery cooling tower body (1) is interspersed with a spray cooling mechanism (6), the other side of the circulating water recovery cooling tower body (1) is interspersed with a condensation water saving mechanism (7), the bottom end of the interior of the circulating water recovery cooling tower body (1) forms a spray water collecting tank (8), the cooling medium water heat exchange mechanism (5) is composed of a hot water inlet pipe (9), a combined air-cooled heat exchange pipe (10), a connecting pipe (11), a combined spray heat exchange pipe (12) and a cold water return pipe (13), the hot water inlet pipe (9) and the cold water return pipe (13) are interspersed with a cooling medium water heat exchange mechanism (5 ... interspersed with a cooling medium water heat exchange mechanism (5), the The water pipes (13) are all connected to the circulating water recovery cooling tower body (1), one end of the combined air-cooled heat exchange pipe (10) is connected to the hot water inlet pipe (9), the combined spray heat exchange pipe (12) is located at the bottom of the combined air-cooled heat exchange pipe (10) and is connected to it through the connecting pipe (11), the cold water return pipe (13) is fixedly connected to the bottom end of the combined spray heat exchange pipe (12), and the spray cooling mechanism (6) is driven by the circulating water pump (1 4), a water guide pipe (15), a spray coil (16) and a plurality of spray heads (17), the water inlet of the circulating water pump (14) is connected to the spray water collecting tank (8), the spray coil (16) is located between the combined air-cooled heat exchange pipe (10) and the combined spray heat exchange pipe (12) and is connected to the circulating water pump (14) through the water guide pipe (15), and the spray head (17) is fixedly connected to the bottom end of the spray coil (16).

2. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: The combined air-cooled heat exchange tube (10) is composed of a plurality of air-cooled coils (18), a plurality of connecting short tubes (19), and a plurality of fins (20). The air-cooled coils (18) are connected end to end in sequence through the connecting short tubes (19), and the fins (20) are fixedly connected to the outer surface of the air-cooled coils (18).

3. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: The combined spray heat exchange tube (12) is composed of a plurality of spray coils (21) and a plurality of connecting short tubes (22). The spray coils (21) are connected end to end in sequence through the connecting short tubes (22).

4. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: An isolation mesh cover (23) and an air inlet fan (24) are fixedly arranged inside the air inlet slot (2).

5. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: A support beam (25) is fixedly provided at the top end of the circulating water recovery cooling tower body (1), an exhaust fan (4) is fixedly connected to the middle position of the top end of the support beam (25), and a plurality of reinforcement arms (26) are fixedly provided at the bottom end of the support beam (25), and the reinforcement arms (26) are fixedly connected to the cooling medium water heat exchange mechanism (5), the spray cooling mechanism (6) and the condensation water saving mechanism (7).

6. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: A water level sensor (27) is fixedly provided on one side of the interior of the spray water collecting tank (8), and a water supply pipe (28) is inserted through one side of the circulating water recovery cooling tower body (1).

7. The dry-wet combined cooling tower circulating water recycling and reuse device according to claim 1, characterized in that: The condensation water-saving mechanism (7) is composed of a small water pump (29), a water supply pipe (30), a condensation coil (31), a plurality of condensation fins (32) and a drain pipe (33). The water inlet of the small water pump (29) is connected to the spray water sump (8). The condensation coil (31) is connected to the small water pump (29) through the water supply pipe (30). The condensation fins (32) are fixedly connected to the outer surface of the condensation coil (31). The drain pipe (33) is fixedly connected to the other end of the condensation coil (31).

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