Combined cooling tower

Abstract

The utility model discloses a combined cooling tower, which belongs to the technical field of cooling towers, and comprises a coil box and an open tower, the coil box comprises a coil for accommodating media and a coil box water tank positioned at the bottom of the box, a box spraying system is further arranged above the coil, a tower spraying system is arranged at the upper end of the open tower, and an open tower water tank is arranged at the bottom of the open tower. A first water pipe is communicated between the coil box water pool and the tower spraying system, a second water pipe is communicated between the open tower water pool and the box spraying system, the first water pipe is provided with a first water pump, the second water pipe is provided with a second water pump, a box exhaust port is formed in the upper end of the coil box, and a box exhaust fan is arranged in the box exhaust port. The height of the cooling tower can be greatly reduced, and manufacturing, transportation and installation are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling tower technical field, especially a combined cooling tower. BACKGROUND

[0002] Cooling water tower is divided into open tower and closed tower according to cooling medium, and the medium flows in the closed pipeline and is cooled in the closed tower, and the water to be cooled in the open tower is cooled in the open environment, and the water is not closed in the heat exchange coil, and the open tower is divided into counterflow tower and crossflow tower, and is used in different conditions.

[0003] The existing closed cooling water tower is generally high in height, large in size, high in transportation and installation cost, and the larger closed tower cannot be transported as a whole, needs to be transported in bulk to the site for assembly, greatly increases the labor and cost, and the heat exchange efficiency of part of the tower type is relatively low, needs a larger motor to drive the fan to dissipate heat, increases the manufacturing and use cost, and further increases the noise, when the open tower is replaced by the closed tower in the equipment modification, the open tower must be eliminated, and a new closed open tower is purchased, the original water tower cannot be utilized, therefore, great waste is caused, and the work cannot be carried out without stopping, in the low temperature season, the existing closed tower cannot reduce the use power of the whole machine along with the reduction of heat dissipation demand, causes high use cost, and needs to be improved. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a combined cooling tower to solve one or more technical problems in the prior art, and at least provides a beneficial selection or creates conditions.

[0005] In order to realize the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A combined cooling tower, comprising a coil box and an open tower, the coil box comprising a coil and a coil tank pool at the bottom of the coil box, a tank spraying system being further arranged above the coil, a tower spraying system being arranged at the upper end of the open tower, an open tower pool being arranged at the bottom of the open tower, a first water pipe being in communication with the coil tank pool and the tower spraying system, a second water pipe being in communication with the open tower pool and the tank spraying system, a first water pump being arranged in the first water pipe, a second water pump being arranged in the second water pipe, a tank exhaust port being arranged at the upper end of the coil box, and a tank exhaust fan being arranged in the tank exhaust port.

[0007] Preferably, the first water pipe is provided with a reversing valve, the reversing valve is connected to the second water pipe through a branch pipe, and the second water pipe is further provided with a water flow control valve group.

[0008] Preferably, a filler is arranged below the tower spraying system.

[0009] Preferably, the coil box upper end is closed, the coil box and the open tower are communicated with a first ventilation pipe, the first ventilation pipe is provided with a convection fan, the open tower upper end is provided with a water tower exhaust port, and the water tower exhaust port is provided with a water tower exhaust fan.

[0010] Preferably, the coil box right side is provided with a box air inlet, and the box air inlet is internally provided with a lower air blower.

[0011] Preferably, the coil box top is provided in an inclined shape with the left side being lower and the right side being higher, the coil box right side upper portion is provided with a box air inlet, the box air inlet is internally provided with an upper air blower, the coil box internal upper end is provided with an air flow reflection plate, and the air flow reflection plate right end is higher than the upper air blower.

[0012] Preferably, the open tower upper end is closed, the open tower and the coil box are communicated with a ventilation pipe, and the ventilation pipe is provided with a convection fan.

[0013] Preferably, the open tower is fixedly connected to the coil box, the open tower and the coil box middle portions are communicated, and the coil tank water pool is not communicated with the open tower water pool.

[0014] The utility model has the advantages of:

[0015] 1. The open tower and the coil box are combined, so that the height of the cooling tower can be greatly reduced, and the manufacturing, transportation and installation are facilitated.

[0016] 2. The reversing valve and the branch pipe are arranged on the first water pipe, in low-temperature seasons, the open tower can be stopped when the coil box can meet the cooling requirement, and the operation cost is saved.

[0017] 3. In equipment modification, if the original cooling equipment is the open tower, the open tower does not need to be removed and replaced with the closed tower, only needs to be slightly changed, the open tower and the coil box are connected to operate, and the modification cost is saved. DRAWINGS

[0018] Figure 1 is a schematic view of example 1;

[0019] Figure 2 is a schematic view of example 2;

[0020] Figure 3 is a schematic view of example 3;

[0021] Figure 4 is a schematic view of example 4.

[0022] Explanation of reference signs: 1, coil box; 2, open tower; 3, coil; 4, coil tank pool; 5, tank spraying system; 6, tower spraying system; 7, open tower pool; 8, first water pipe; 9, second water pipe; 10, first water pump; 11, second water pump; 12, tank inlet; 13, tank exhaust outlet; 14, tank exhaust fan; 15, tower inlet; 16, tower exhaust outlet; 17, reversing valve; 18, branch pipe; 19, water flow control valve group; 20, tower exhaust fan; 21, convection fan; 22, air flow reflection plate; 23, first ventilation pipe; 24, lower blower; 25, upper blower; 26, second ventilation pipe. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described below with reference to the drawings and embodiments.

[0024] Embodiment 1: Reference Figure 1 The utility model discloses a combined cooling tower, including coil box 1 and open tower 2, coil box 1 includes the coil 3 of containing medium and the coil tank pool 4 at the bottom of coil box 1, still be equipped with tank spraying system 5 on the coil 3 top, the upper end of open tower 2 is equipped with tower spraying system 6, the bottom of open tower 2 is open tower pool 7, and the first water pipe 8 is communicated in coil tank pool 4 and tower spraying system 6, and the second water pipe 9 is communicated in open tower pool 7 and tank spraying system 5, and the first water pump 10 is equipped with in first water pipe 8, and the second water pump 11 is equipped with in second water pipe 9, and coil box 1 still includes the tank inlet 12 of being located at the four around of coil box 1 and the tank exhaust outlet 13 of being located at the upper end of coil box 1, and the tank exhaust fan 14 is equipped in tank exhaust outlet 13, and open tower 2 still includes the tower inlet 15 of being located at the periphery of open tower 2 and the tower exhaust outlet 16 of being located at the top of open tower 2, when running, the medium needing cooling enters the coil 3 from the inlet of coil 3, the second water pump 11 starts, and the cold water in open tower pool 7 is pumped to the top of coil box 1, and is sprayed downward through tank spraying system 5, and the medium in coil 3 is cooled through heat exchange, and the medium after cooling flows out from the outlet of coil 3, and the water after heating is concentrated in the coil tank pool 4 below coil box 1, and the first water pump 10 is started to send the hot water in coil tank pool 4 to the top of open tower 2, and is sprayed downward through tower spraying system 6, and the hot air in open tower 2 rises and is discharged from tower exhaust outlet 16, and forms negative pressure in open tower 2, and the natural wind is sucked from the tower inlet 15, and the natural wind flows from below to above, and the hot water sprayed downward is naturally cooled, and the combination of coil box 1 and open tower 2 can greatly reduce the height of cooling tower, and is convenient for manufacturing, transportation and installation, if the original cooling tower is open tower 2, when upgrading, open tower 2 does not need to be removed, and only a coil box 1 needs to be added and a small amount of equipment needs to be added to complete the upgrading, and cost can be saved.

[0025] Specifically, the first water pipe 8 is provided with a reversing valve 17 connected to the second water pipe 9 through a branch pipe 18, and the second water pipe 9 is also provided with a water flow control valve group 19. In the low temperature season, when the coil box 1 can achieve the purpose of cooling and the water temperature in the coil tank pool 4 is not high, the open tower 2 can be stopped. At this time, the reversing valve 17 is started to divert the hot water in the pipe to the branch pipe 18 to directly send the water back to the box spraying system 5 for spraying cooling, without the need to flow into the open tower pool 7. The water flow control valve group 19 is closed to avoid the water in the first water pipe 8 flowing into the open tower pool 7. It is equivalent to running half of the equipment in the low temperature season, which can save energy.

[0026] Specifically, the lower part of the tower spraying system 6 is provided with a filler, which can slow down the speed of the hot water falling from the tower spraying system 6, so that the natural wind entering the tower from the tower air inlet 15 can fully cool the hot water.

[0027] Example 2: Reference Figure 2 , based on example 1, the upper end of the coil box 1 is closed, the coil box 1 and the open tower 2 are communicated with a ventilation pipe, the ventilation pipe is provided with a convection fan 21, the water tower exhaust port 16 is provided with a water tower exhaust fan 20, the convection fan 21 exhausts the hot air in the coil box 1 to the open tower 2, and then the hot air is discharged to the atmosphere by the water tower exhaust fan 20. At the same time, the air flow rate of the coil box 1 and the open tower 2 is increased, the cooling speed is accelerated, in order to further improve the cooling efficiency, the lower end of the coil box 1 is provided with a lower air blower 24, the lower air blower 24 blows the air outside the coil box 1 into the coil box 1, and the hot air at the bottom of the coil box 1 is sent into the first ventilation pipe 23, so as to accelerate the air flow and improve the cooling efficiency.

[0028] Specifically, the top of the coil box 1 is inclined to the left low and the right high, the upper end of the inside of the coil box 1 is provided with an air flow reflection plate 22 parallel to the top of the coil box 1, the upper right side of the coil box 1 is provided with a box air inlet 12, the box air inlet 12 is provided with an upper air blower 25, the right end of the air flow reflection plate 22 is higher than the upper air blower 25, the upper air blower 25 blows the air outside the coil box 1 into the coil box 1, and the air flow reflection plate 22 makes the air flow downward, so as to blow the hot air above the coil box 1 to the first ventilation pipe 23.

[0029] Example 3: Reference Figure 3 , based on example 1, the upper end of the open tower 2 is closed, the open tower 2 and the coil box 1 are communicated with a second ventilation pipe 26, the second ventilation pipe 26 is provided with a convection fan 21, the relatively low temperature air in the open tower 2 is drawn into the coil box 1, and then discharged from the coil box 1, so as to perform secondary cooling on the coil 3 and improve the cooling efficiency. The left lower part of the open tower 2 is provided with a lower air blower 24, the lower air blower 24 blows the natural wind into the second ventilation pipe 26, so as to accelerate the air flow.

[0030] Example 4: Reference Figure 4, based on example 3, the open tower 2 is fixedly connected to the coil box 1, the open tower 2 and the coil box 1 are communicated in the middle, the coil tank 4 is not communicated with the open tower tank 7, and the open tower 2 and the coil box 1 are directly connected together, so that the gas exchange efficiency between the open tower 2 and the coil box 1 is improved.

[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, it cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The above describes one embodiment of the present application in detail, and focuses on the structure of a combined cooling tower, but the above content is only a preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A combined cooling tower comprising a coil box (1) and an open tower (2), characterized in that: The coil box (1) comprises a coil (3) and a coil water tank (4) at the bottom of the coil box (1), a box spray system (5) is arranged above the coil (3), an open tower (2) is provided with a tower spray system (6) at the upper end, the bottom of the open tower (2) is provided with an open tower water tank (7), the coil water tank (4) and the tower spray system (6) are communicated with a first water pipe (8), the open tower water tank (7) and the box spray system (5) are communicated with a second water pipe (9), the first water pipe (8) is provided with a first water pump (10), the second water pipe (9) is provided with a second water pump (11), the upper end of the coil box (1) is provided with a box exhaust port (13), and the box exhaust port (13) is provided with a box exhaust fan (14).

2. A combined cooling tower according to claim 1, characterised in that: The first water pipe (8) is provided with a reversing valve (17), the reversing valve (17) is connected to the second water pipe (9) through a branch pipe (18), and the second water pipe (9) is also provided with a water flow control valve group (19).

3. A combined cooling tower according to claim 1, characterized in that: The tower spray system (6) is provided below the tower spray system (6).

4. A combined cooling tower according to claim 1, characterized in that: The upper end of the coil box (1) is closed, the coil box (1) and the open tower (2) are communicated with a first ventilation pipe (23), the first ventilation pipe (23) is provided with a convection fan (21), the upper end of the open tower (2) is provided with a water tower exhaust port (16), and the water tower exhaust port (16) is provided with a water tower exhaust fan (20).

5. A combined cooling tower according to claim 4, characterised in that: The right side of the coil box (1) is provided with a box air inlet (12), and the box air inlet (12) is provided with a lower air blower (24).

6. A combined cooling tower according to claim 4, characterised in that: The top of the coil box (1) is inclined to the left and right, the right side of the coil box (1) is provided with a box air inlet (12), the box air inlet (12) is provided with an upper air blower (25), the inner upper end of the coil box (1) is provided with an air flow reflection plate (22), and the right end of the air flow reflection plate (22) is higher than the upper air blower (25).

7. A combined cooling tower according to claim 1, characterized in that: The upper end of the open tower (2) is closed, the open tower (2) and the coil box (1) are communicated with a second ventilation pipe (26), and the second ventilation pipe (26) is provided with a convection fan (21).

8. A combined cooling tower according to claim 7, characterised in that: The open tower (2) is fixedly connected to the coil box (1), the open tower (2) and the coil box (1) are communicated in the middle, and the coil water tank (4) is not communicated with the open tower water tank (7).

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