Cooling tower of double-evaporation gravity water turbine

Abstract

The invention discloses a double-evaporation gravity water turbine cooling tower which comprises a tower body, a water turbine assembly, a cooling assembly, a first evaporation assembly, a second evaporation assembly and a connecting assembly. According to the invention, wet air evaporated for the first time is forcibly fed into a Venturi tube outside the tower by using a water turbine fan, negative pressure is formed in the tower and in the tube, external air is mixed with wet steam in the tower, so that the purpose of secondary evaporation cooling is achieved, and cooling water evaporated for the first time in the tower is cooled by using a slender cooling tube under the action of gravity, so that the cooling water is cooled for the second time. And negative pressure is formed at the lowest end, is quickly sprayed out through the nozzle and is mixed with fed primary steam to form secondary evaporation, so that cooling is facilitated, and a large amount of water is saved.

Description

Technical Field

[0001] The invention relates to the technical field of cooling towers, in particular to a double evaporator gravity turbine cooling tower. Background Art

[0002] Traditional cooling towers have only one evaporation, and the outlet water temperature is higher than the local wet bulb temperature. It cannot meet actual needs. If you want to achieve a temperature lower than the air temperature, one is to use compressor refrigeration, which is costly. The other is to use a high-power fan to pump the cooling tower into negative pressure to achieve the cooling purpose. This method consumes a lot of electricity, and the fan is easy to break after a long time of use, causing damage. Summary of the invention

[0003] In view of this, the main object of the present invention is to provide a double evaporator gravity turbine cooling tower.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows: An embodiment of the present invention provides a double evaporation gravity turbine cooling tower, comprising a tower body, a turbine assembly, a cooling assembly, a first evaporation assembly, a second evaporation assembly, a connecting assembly, and a recovery tank, wherein the turbine assembly is arranged at the middle and upper part of the tower body, the first evaporation assembly is arranged at the bottom of the turbine assembly, the second evaporation assembly is arranged at the bottom of the tower body and is located at the bottom of the first evaporation assembly, the top of the tower body is connected to the side of the tower body located at the second evaporation assembly through the connecting assembly, and the recovery tank is arranged at the bottom of the second evaporation assembly for providing hot water to the turbine assembly.

[0005] In the above scheme, the turbine assembly includes a turbine, a fan, a hot water pipe, a mounting seat, and a hot and humid air exhaust port. The turbine is arranged in the middle and upper part of the tower body through the mounting seat, the fan is arranged on the turbine, and the hot and humid air exhaust port is arranged above the fan, and the water inlet end of the turbine is connected to the hot water pipe.

[0006] In the above scheme, the cooling assembly includes a first cooling pipe, a nozzle, and a second cooling pipe. One end of the first cooling pipe is connected to the water outlet of the turbine, and the other end of the first cooling pipe is connected to the second cooling pipe. Several nozzles are arranged in the second cooling pipe.

[0007] In the above solution, the first evaporation component includes a first evaporation layer, and the first evaporation layer is arranged at the bottom of the nozzle.

[0008] In the above scheme, the second evaporation component includes a second evaporation layer and a double funnel tube. The second evaporation layer is arranged at the bottom of the tower body. The double funnel tube includes multiple tubes that are evenly arranged between the first evaporation layer and the second evaporation layer. The second evaporation layer is arranged at the top of the recovery tank, and one side of the recovery tank is connected to the hot water pipe through a water pump.

[0009] In the above scheme, the tower body is located at both sides of the top of the double funnel tube and dry cold air inlets are respectively arranged.

[0010] In the above solution, the connection assembly includes a venturi tube, one end of the venturi tube is connected to the hot and humid air exhaust port, and the other end of the venturi tube is connected to the side of the tower body located at the second evaporation layer.

[0011] In the above solution, an air inlet is provided on the venturi tube.

[0012] In the above solution, a tower base is arranged at the bottom of the tower body.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention utilizes a water turbine fan to forcibly send the wet air evaporated once into a venturi tube outside the tower, so that negative pressure is formed in the tower and in the tube, and the external air is mixed with the wet steam in the tower to achieve the purpose of secondary evaporation and cooling. In addition, the first evaporated cooling water in the tower is cooled by a series of slender cooling tubes, and negative pressure is formed at the lowest end under the action of gravity. The water is quickly sprayed out through a nozzle and mixed with the first steam to form a secondary evaporation, which is beneficial to cooling and saves a lot of water. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to disclose a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a structural schematic diagram of a double evaporator gravity turbine cooling tower according to Embodiment 1 of the present invention; Figure 2 This is a schematic structural diagram of a double evaporator gravity turbine cooling tower according to the second embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0016] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0017] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, article or device. In the absence of more restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, article or device including the element.

[0018] Embodiment 1 of the present invention provides a double evaporator gravity turbine cooling tower, such as Figure 1 As shown, it includes a tower body 3, a turbine assembly, a cooling assembly, a first evaporation assembly, a second evaporation assembly, a connection assembly, and a recovery tank 10. The turbine assembly is arranged at the middle and upper part of the tower body 3, the first evaporation assembly is arranged at the bottom of the turbine assembly, the second evaporation assembly is arranged at the bottom of the tower body 3, and is located at the bottom of the first evaporation assembly. The top of the tower body 3 is connected to the side of the tower body 3 located at the second evaporation assembly through the connection assembly. The recovery tank 10 is arranged at the bottom of the second evaporation assembly and is used to provide hot water to the turbine assembly.

[0019] like Figure 1 As shown, the turbine assembly includes a turbine 2, a fan 1, a hot water pipe 13, a mounting base 5, and a hot and humid air exhaust port 14. The turbine 2 is arranged in the middle and upper part of the tower body 3 through the mounting base 5, the fan 1 is arranged on the turbine 5, and the hot and humid air exhaust port 14 is arranged above the fan 5, and the water inlet end of the turbine 2 is connected to one end of the hot water pipe 13.

[0020] like Figure 1 As shown, the cooling assembly includes a first cooling pipe 15, a nozzle 6, and a second cooling pipe 16. One end of the first cooling pipe 15 is connected to the water outlet end of the turbine 5, and the other end of the first cooling pipe 15 is connected to the second cooling pipe 16. A plurality of nozzles 6 are arranged in the second cooling pipe 16.

[0021] like Figure 1 As shown, the first evaporation component includes a first evaporation layer 7 , and the first evaporation layer 7 is arranged at the bottom of the nozzle 6 .

[0022] like Figure 1 As shown, the second evaporation component includes a second evaporation layer 9 and a double funnel tube 8. The second evaporation layer 9 is arranged at the bottom of the tower body. The double funnel tube 8 includes a plurality of tubes that are evenly arranged between the first evaporation layer 7 and the second evaporation layer 9. The second evaporation layer 9 is arranged at the top of the recovery pool 10. One side of the recovery pool 10 is connected to the hot water pipe 13 through a water pump.

[0023] like Figure 1 As shown, the tower body 3 is provided with dry cold air inlets 11 on both sides of the top of the double funnel tube 8 .

[0024] like Figure 1 As shown, the connection assembly includes a venturi tube 4 , one end of which is connected to the hot and humid air exhaust port 14 , and the other end of which is connected to one side of the tower body 3 located at the second evaporation layer 9 .

[0025] like Figure 1 As shown, the venturi tube 4 is provided with an air inlet 17 .

[0026] like Figure 2 As shown, the second embodiment of the present invention provides a double evaporator gravity turbine cooling tower. Different from the first embodiment, the tower body 3 is an hourglass structure. The surface generated by rotating the hyperbola around its main axis has good stability and beautiful appearance, strong wind resistance, fast convection and good heat dissipation effect.

[0027] The present invention utilizes a water turbine fan to force the wet air evaporated once into a venturi tube outside the tower, so that negative pressure is formed in the tower and in the tube, and the outside air is mixed with the wet steam in the tower to achieve the purpose of secondary evaporation and cooling. In the tower, the first evaporated cooling water is cooled by a series of slender cooling tubes. Under the action of gravity, negative pressure is formed at the lowest end, and the water is quickly sprayed out through a nozzle and mixed with the first steam to form secondary evaporation, which is beneficial to cooling and saves a lot of water. This closed cooling tower draws water from A to B and relies on a water turbine to drive the fan, and no electricity is generated.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A double evaporator gravity turbine cooling tower, characterized in that: The utility model comprises a tower body, a turbine assembly, a cooling assembly, a first evaporation assembly, a second evaporation assembly, a connection assembly, and a recovery pool. The turbine assembly is arranged at the middle and upper part of the tower body, the first evaporation assembly is arranged at the bottom of the turbine assembly, the second evaporation assembly is arranged at the bottom of the tower body and is located at the bottom of the first evaporation assembly, the top of the tower body is connected to the side of the tower body located at the second evaporation assembly through the connection assembly, and the recovery pool is arranged at the bottom of the second evaporation assembly and is used to provide hot water to the turbine assembly.

2. A double evaporator gravity turbine cooling tower according to claim 1, characterized in that: The turbine assembly includes a turbine, a fan, a hot water pipe, a mounting seat, and a hot and humid air exhaust port. The turbine is arranged at the middle and upper part of the tower body through the mounting seat. The fan is arranged on the turbine, and a hot and humid air exhaust port is arranged above the fan. The water inlet end of the turbine is connected to the hot water pipe.

3. A double evaporator gravity turbine cooling tower according to claim 2, characterized in that: The cooling assembly includes a first cooling pipe, a nozzle, and a second cooling pipe. One end of the first cooling pipe is connected to the water outlet of the turbine, and the other end of the first cooling pipe is connected to the second cooling pipe. A plurality of nozzles are arranged in the second cooling pipe.

4. A double evaporator gravity turbine cooling tower according to claim 3, characterized in that: The first evaporation component includes a first evaporation layer, and the first evaporation layer is arranged at the bottom of the shower head.

5. A double evaporator gravity turbine cooling tower according to claim 4, characterized in that: The second evaporation component includes a second evaporation layer and a double funnel tube. The second evaporation layer is arranged at the bottom of the tower body. The double funnel tube includes multiple tubes that are evenly arranged between the first evaporation layer and the second evaporation layer. The second evaporation layer is arranged at the top of the recovery pool. One side of the recovery pool is connected to the hot water pipe through a water pump.

6. A double evaporator gravity turbine cooling tower according to claim 5, characterized in that: The tower body is located at both sides of the top of the double funnel tube and dry cold air inlets are respectively arranged.

7. A double evaporator gravity turbine cooling tower according to claim 6, characterized in that: The connection assembly comprises a venturi tube, one end of which is connected to the hot and humid air exhaust port, and the other end of which is connected to one side of the tower body located at the second evaporation layer.

8. A double evaporator gravity turbine cooling tower according to claim 7, characterized in that: The venturi tube is provided with an air inlet.

9. A double evaporator gravity turbine cooling tower according to claim 8, characterized in that: A tower base is arranged at the bottom of the tower body.

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