Efficient counter-flow cooling tower

Abstract

The utility model discloses an efficient reverse flow cooling tower which comprises a tower body, a fan assembly, a spraying assembly and a filler assembly, a water spraying cooling cavity arranged in the tower body, a water collecting tank positioned at the bottom of the water spraying cooling cavity, a plurality of air inlets positioned on the peripheral wall of the lower part of the tower body and an air outlet positioned at the top of the tower body, a water baffle is arranged on the inner circumferential wall of the upper portion of the water spraying cooling cavity and inclines towards the inner side from top to bottom. The fan assembly is mounted at the air outlet; the spraying assembly comprises a plurality of spraying pipes transversely distributed on the upper portion of the water spraying cooling cavity, a plurality of spraying heads are evenly distributed at the bottoms of the spraying pipes, and each spraying head comprises a downward spraying nozzle and a dispersing water disc transversely arranged below the spraying nozzle. The packing assembly comprises a packing device arranged in the water spraying cooling cavity, and the packing device is arranged between the air inlet and the water baffle. According to the cooling tower, the spraying effect can be improved, the uniformity of water flow distribution is improved, the cooling performance of the cooling tower is improved, and meanwhile the water consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cooling equipment, in particular to a high -efficient counter -current cooling tower. BACKGROUND

[0002] In the counter -current cooling tower, water flow falls vertically in the tower, and the airflow direction is opposite to the water flow direction. The design of this counter -current makes the heat exchange and mass exchange between water and air more efficient. Specifically, the water in the tower flows from top to bottom, while the air in the tower flows from bottom to top. The two meet in the filler and exchange heat. In actual operation, there is a phenomenon of uneven water flow distribution, which affects the cooling effect. The existing technology uses atomizing nozzles to achieve spraying. Because the atomized water droplets are small, the water is easily carried out by the airflow, and the water is easily discharged from the side air inlet, resulting in large water consumption. SUMMARY

[0003] The utility model aims at providing a kind of high -efficient counter -current cooling tower, to solve one or more technical problems existing in prior art, at least provide a beneficial choice or create conditions.

[0004] To solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0005] The utility model provides a kind of high -efficient counter -current cooling tower, comprising:

[0006] Tower body, the tower body inside is equipped with water spraying cooling cavity, water collecting tank located at the bottom of the water spraying cooling cavity, the water spraying cooling cavity is equipped with multiple air inlets located at the lower outer circumferential wall of the tower body, air outlet located at the top of the tower body, the inner circumferential wall of the upper portion of the water spraying cooling cavity is equipped with water baffle, the water baffle is inclinedly arranged from top to bottom to the inner side;

[0007] Fan assembly, installed in the air outlet;

[0008] Spraying assembly, including multiple spraying pipes distributed horizontally in the upper portion of the water spraying cooling cavity, the bottom of the spraying pipe is uniformly distributed with multiple spray heads, the spray head includes downward spraying nozzle and dispersion water tray arranged horizontally below the spraying nozzle, and the horizontal position of multiple spray heads is above the water baffle;

[0009] Filler assembly, including filler device arranged in the water spraying cooling cavity, the filler device is arranged between the air inlet and the water baffle.

[0010] The high -efficient counter -current cooling tower of the utility model has the beneficial effects that:

[0011] In use, water is transported along the plurality of spray pipes, and when passing through the spray head, water is sprayed downward from the spray nozzle to the dispersion water tray, and the water is blocked by the dispersion water tray to scatter the water; compared with the existing atomizing nozzle, the utility model adopts the dispersion water tray to scatter the water, so that the water droplets can be more evenly dropped, the volume of the water droplets can be prevented from being too small, the amount of water carried out by the wind can be reduced, and the inner side wall of the upper part of the water spraying cooling cavity is provided with a water baffle that is inclined from top to bottom and to the inner side, so that the water is blocked, the water does not flow downward along the inner side wall of the water spraying cooling cavity, the water is prevented from flowing out from the side air inlet, the water is concentrated in the middle position of the water spraying cooling cavity and sprayed downward into the filler device, under the operation of the fan assembly, external air enters the lower part of the water spraying cooling cavity from the plurality of air inlets, then flows upward through the filler device in the water spraying cooling cavity, the water contacts the water in the filler device and exchanges heat, so that the heat in the water is carried out, to achieve the cooling of the water, the cooled water is collected by the water collecting tank, and hot air is blown out from the air outlet; the utility model can improve the spraying effect, improve the uniformity of water flow distribution, and improve the cooling performance of the cooling tower, while reducing the water consumption.

[0012] As a further improvement of the above technical solution, the inner end side of the air outlet is provided with a wind guide cylinder with an inner diameter gradually increasing from top to bottom, the wind guide cylinder is arranged above the plurality of spray pipes, and the inner peripheral wall of the wind guide cylinder is provided with a hydrophilic coating.

[0013] As a further improvement of the above technical solution, the upper end of the wind guide cylinder is connected to the air outlet, and the lower end edge of the wind guide cylinder is connected to the inner peripheral wall of the water spraying cooling cavity.

[0014] As a further improvement of the above technical solution, at least two inclined connecting rods are arranged between the dispersion water tray and the spray nozzle, the dispersion water tray and the spray nozzle are coaxially arranged, the outer diameter of the dispersion water tray is greater than that of the spray nozzle, the upper end of the connecting rod is connected to the outer peripheral wall of the spray nozzle, and the lower end of the connecting rod is connected to the outer edge of the dispersion water tray.

[0015] As a further improvement of the above technical solution, the dispersion water tray comprises a plurality of fan-shaped plates, and the plurality of fan-shaped plates are arranged in a ring shape.

[0016] As a further improvement of the above technical solution, a conical flow guide boss is arranged at the center of the top surface of the dispersion water tray, and the flow guide boss is arranged in a spaced and opposite manner with the spray nozzle.

[0017] As a further improvement of the above technical solution, the air inlet is provided with a plurality of air guide plates, the plurality of air guide plates are arranged in a spaced and arranged manner from top to bottom, the air guide plates are arranged in an inclined manner from top to bottom, the upper end of the air guide plate extends into the water spraying cooling cavity, and the lower end of the air guide plate extends outside the tower body.

[0018] As a further improvement of the above technical solution, the air deflector is rotatably arranged so that the upper end and the lower end of the air deflector swing up and down for adjustment.

[0019] As a further improvement of the above technical solution, the filler device comprises a plurality of filler bodies arranged vertically, the plurality of filler bodies are arranged in a horizontal direction at intervals, and a plurality of fixing rods are arranged between the plurality of filler bodies.

[0020] As a further improvement of the above technical solution, the bottom of the tower body is provided with a plurality of supporting legs.

[0021] Other features and advantages of the present application will be described in the following description and become apparent from the description, or can be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in conjunction with the drawings and embodiments;

[0023] Figure 1 is a front view of an embodiment of the high-efficiency counterflow cooling tower provided by the present application;

[0024] Figure 2 is a local enlarged view of part A;

[0025] Figure 3 is a local enlarged view of part B;

[0026] Figure 4 is a schematic diagram of water and air flow when running of an embodiment of the high-efficiency counterflow cooling tower provided by the present application;

[0027] Figure 5 is a structural schematic diagram of an embodiment of the water dispersion tray provided by the present application;

[0028] LIST OF REFERENCE NUMERALS

[0029] tower body 100; water spraying cooling cavity 110; water collecting groove 120; air inlet 130; air deflector 131; air outlet 140; air deflector cylinder 141; hydrophilic coating 1411; water baffle 150; supporting leg 160;

[0030] fan assembly 200;

[0031] spraying pipe 300; spraying head 310; spraying nozzle 311; water dispersion tray 312; fan-shaped plate 3121; flow guide boss 3122; connecting rod 313;

[0032] filler device 400; filler body 410; fixing rod 420. DETAILED DESCRIPTION

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0034] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0036] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0037] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are some embodiments of this utility model, not all embodiments.

[0038] Existing counterflow cooling towers suffer from uneven water distribution during actual operation, affecting the cooling effect. The existing method uses atomizing nozzles for spraying, but because the atomized water droplets are small, the water is easily carried away by the airflow and flows out from the side air inlet 130, resulting in high water consumption. Therefore, this utility model proposes a high-efficiency counterflow cooling tower.

[0039] like Figures 1 to 4 As shown, the high-efficiency counter-flow cooling tower of this embodiment includes: tower body 100, fan assembly 200, spray assembly and packing assembly.

[0040] like Figure 1As shown, the tower body 100 of the embodiment is vertically arranged, and the inside of the tower body 100 is provided with a water spraying cooling cavity 110 and a water collecting groove 120, the water collecting groove 120 is located below the water spraying cooling cavity 110 and communicates with the water spraying cooling cavity 110, the water spraying cooling cavity 110 is provided with an air inlet 130 and an air outlet 140, the air inlet 130 is arranged on the lower outer peripheral wall of the tower body 100, and in some embodiments, the air inlet 130 can be provided with a plurality of air inlets 130, which are distributed around the tower body 100 to improve the air inlet amount, and the air outlet 140 is arranged on the top of the tower body 100.

[0041] As shown, the tower body 100 of the embodiment is vertically arranged, and the inside of the tower body 100 is provided with a water spraying cooling cavity 110 and a water collecting groove 120, the water collecting groove 120 is located below the water spraying cooling cavity 110 and communicates with the water spraying cooling cavity 110, the water spraying cooling cavity 110 is provided with an air inlet 130 and an air outlet 140, the air inlet 130 is arranged on the lower outer peripheral wall of the tower body 100, and in some embodiments, the air inlet 130 can be provided with a plurality of air inlets 130, which are distributed around the tower body 100 to improve the air inlet amount, and the air outlet 140 is arranged on the top of the tower body 100.

[0042] The fan assembly 200 of the embodiment is installed on the air outlet 140, and the fan assembly 200 serves as an air guide fan to form a negative pressure in the upper part of the water spraying cooling cavity 110, so that air flows along the air inlet 130, the water spraying cooling cavity 110 and the air outlet 140 in sequence.

[0043] The spraying assembly of the embodiment includes a plurality of spraying pipes 300 which are transversely distributed in the upper part of the water spraying cooling cavity 110, the spraying pipes 300 are distributed in the horizontal direction, the bottom of each spraying pipe 300 is uniformly provided with a plurality of spraying heads 310, and the horizontal position of the plurality of spraying heads 310 is located above the water baffle 150. Figure 2 As shown, the spraying head 310 includes a downward spraying nozzle 311 and a water dispersing disc 312 which is transversely arranged below the spraying nozzle 311, the spraying nozzle 311 communicates with the inside of the spraying pipe 300, wherein the water dispersing disc 312 is relatively fixedly arranged below the spraying nozzle 311, and a gap is left between the lower end of the spraying nozzle 311 and the water dispersing disc 312.

[0044] In operation, water is transported along the plurality of spraying pipes 300, and when passing through the spraying head 310, the water is sprayed downward from the spraying nozzle 311 to the water dispersing disc 312, and the water is scattered by the water dispersing disc 312 to disperse the water, compared with the existing atomizing nozzle, the water is scattered by the water dispersing disc 312, which can make the water droplets fall more uniformly, and also avoid the volume of the water droplets being too small to reduce the amount of water carried out by the wind.

[0045] In some embodiments, the plurality of spraying pipes 300 are connected with a spraying pump, and the water is pressurized by the spraying pump to improve the spraying effect.

[0046] The filler assembly comprises a filler device 400 arranged in the water spraying cooling cavity 110, the filler device 400 is arranged between the air inlet 130 and the water baffle 150, and the filler device 400 is arranged directly below the annular water baffle 150.

[0047] The water baffle 150 shields the water at the edge of the water spraying cooling cavity 110, so that the water does not flow down along the inner side wall of the water spraying cooling cavity 110, thereby avoiding the water from flowing out of the side air inlet 130, and the water is concentrated in the middle position of the water spraying cooling cavity 110 and sprayed downward into the filler device 400.

[0048] As shown in Figure 4 In use, water is transported along the plurality of spray pipes 300, and when passing through the spray head 310, the water is sprayed downward from the spray nozzle 311 to the dispersion water disc 312, the water is blocked by the dispersion water disc 312 to be dispersed, the water is shielded by the water baffle 150, so that the water does not flow down along the inner side wall of the water spraying cooling cavity 110, and the water is concentrated in the middle position of the water spraying cooling cavity 110 and sprayed downward into the filler device 400, and under the operation of the fan assembly 200, external air enters the lower part of the water spraying cooling cavity 110 from the plurality of air inlets 130, and then flows upward through the filler device 400 in the water spraying cooling cavity 110, the water contacts the water in the filler device 400 and exchanges heat, so that the heat in the water is taken out to cool the water, and the cooled water is collected by the water collecting groove 120, and the hot air is blown out from the air outlet 140.

[0049] The utility model can improve the spraying effect, improve the uniformity of water flow distribution, and improve the cooling performance of the cooling tower, while reducing water consumption.

[0050] In order to further reduce water consumption, the inner end side of the air outlet 140 is provided with a wind guide cylinder 141 with an inner diameter gradually increasing from top to bottom, the wind guide cylinder 141 is arranged above the plurality of spray pipes 300, and the inner peripheral wall of the wind guide cylinder 141 is provided with a hydrophilic coating 1411, the hot air flows to the air outlet 140 through the wind guide cylinder 141, and contacts the hydrophilic coating 1411 when passing through the wind guide cylinder 141, so that the water vapor of the hot air is efficiently collected by the hydrophilic coating 1411 and flows back to the filler device 400.

[0051] The upper end of the wind guide cylinder 141 is connected with the air outlet 140, and the lower end edge of the wind guide cylinder 141 is connected with the inner peripheral wall of the water spraying cooling cavity 110, and the water collected by the hydrophilic coating 1411 flows downward along the inner peripheral wall of the water spraying cooling cavity 110.

[0052] For the specific structure of the spray head 310, as shown in Figure 2As shown, the embodiment is provided with at least two connecting rods 313 arranged obliquely between the dispersion water tray 312 and the spray nozzle 311. The dispersion water tray 312 is coaxially arranged with the spray nozzle 311. The outer diameter of the dispersion water tray 312 is greater than that of the spray nozzle 311. The upper end of the connecting rod 313 is connected with the outer peripheral wall of the spray nozzle 311, and the lower end of the connecting rod 313 is connected with the outer edge of the dispersion water tray 312, so as to fix the dispersion water tray 312 and reduce the obstruction to water.

[0053] As shown, the dispersion water tray 312 of the embodiment includes a plurality of fan-shaped plates 3121 arranged in a ring shape at intervals. The water is dispersed through the plurality of fan-shaped plates 3121, and the water can flow through the gap between two adjacent fan-shaped plates 3121, so as to improve the water spraying effect. Figure 5

[0054] The top surface of the dispersion water tray 312 of the embodiment is provided with a conical flow guide boss 3122. The flow guide boss is arranged opposite to the spray nozzle 311 at intervals. The flow guide boss 3122 guides the water flow from the spray nozzle 311, so that the water flow flows to the plurality of fan-shaped plates 3121 in all directions, so as to further improve the water spraying effect.

[0055] As shown, the air inlet 130 of the embodiment is provided with a plurality of air deflectors 131 arranged at intervals from top to bottom. The air deflectors 131 are arranged obliquely from top to bottom. The upper end of the air deflector 131 extends into the water cooling chamber 110, and the lower end of the air deflector 131 extends outside the tower body 100. Figure 1 Figure 3 The air deflector 131 in the embodiment can prevent dust from entering from the air inlet 130, and can guide the air entering from the air inlet 130. As shown, when the air enters the air inlet 130, the air is inclined upward into the water cooling chamber 110 under the guidance of the air deflector 131, so as to improve the turbulence effect of the air in the water cooling chamber 110 and improve the cooling performance.

[0056] In some embodiments, the air deflector 131 can be rotatably arranged, so that the upper end and the lower end of the air deflector 131 swing up and down. In this way, the direction of the air entering can be adjusted. In actual operation, the reciprocating rotation of the air deflector 131 can realize the blowing effect, so as to improve the cooling effect. Figure 5 In some embodiments, a rotary driving mechanism can be arranged to drive the air deflector 131 to rotate.

[0057]

[0058]

[0059] ​​​​The filler device 400 of the embodiment comprises a plurality of filler bodies 410 arranged vertically and spaced apart in the front-rear direction, and an air heat exchange gap is formed between the plurality of filler bodies 410, and the air enters the air heat exchange gap to contact and exchange heat with the water.

[0060] The filler body 410 of the embodiment is provided with a plurality of insertion interfaces, and a plurality of fixing rods 420 are inserted between the plurality of filler bodies 410, and the fixing rods 420 are inserted into the insertion interfaces to achieve the fixed installation of the filler body 410.

[0061] The bottom of the tower body 100 of the embodiment is provided with a plurality of supporting legs 160, and the entire cooling tower is supported by the plurality of supporting legs 160.

[0062] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A high efficiency counter flow cooling tower characterized by, The utility model relates to a high -efficient counterflow cooling tower, including: Tower body, the inside of tower body is equipped with shower cooling cavity, the water collecting tank of the bottom of shower cooling cavity, the shower cooling cavity is equipped with the multiple air inlets of the lower outer wall of tower body, the air outlet of the top of tower body, the inner wall of the upper portion of shower cooling cavity is equipped with the water baffle, and the water baffle is inclined to the inside from top to bottom and sets up; Fan assembly is installed to the air outlet; Spray assembly includes multiple spray pipes that are horizontally distributed in the upper portion of shower cooling cavity, and the bottom of spray pipe is uniformly provided with multiple spray heads, and the spray head includes downward spray nozzle and the dispersion water tray that is horizontally arranged below the spray nozzle, and the horizontal position of multiple spray heads is above the water baffle; The filler assembly includes the filler device in the shower cooling cavity, and the filler device is arranged between the air inlet and the water baffle.

2. The high-efficiency counterflow cooling tower according to claim 1, wherein: The inner end side of the air outlet is provided with a draft tube with an inner diameter gradually increasing from top to bottom, the draft tube is arranged above the plurality of spray pipes, and the inner peripheral wall of the draft tube is provided with a hydrophilic coating.

3. The high-efficiency counterflow cooling tower according to claim 2, wherein: The upper end of the draft tube is connected to the air outlet, and the lower end edge of the draft tube is connected to the inner peripheral wall of the shower cooling cavity.

4. The high-efficiency counterflow cooling tower according to claim 1, wherein: At least two connecting rods are arranged between the dispersion water tray and the spray nozzle, the dispersion water tray and the spray nozzle are coaxially arranged, the outer diameter of the dispersion water tray is greater than that of the spray nozzle, the upper end of the connecting rod is connected to the outer peripheral wall of the spray nozzle, and the lower end of the connecting rod is connected to the outer edge of the dispersion water tray.

5. The high-efficiency counterflow cooling tower according to claim 4, wherein: The dispersion water tray includes a plurality of fan-shaped plates, and the plurality of fan-shaped plates are arranged in a ring shape.

6. The high-efficiency counterflow cooling tower according to claim 5, wherein: A conical flow guide boss is arranged at the center of the top surface of the dispersion water tray, and the flow guide boss is arranged opposite to the spray nozzle.

7. The high-efficiency counterflow cooling tower according to claim 1, wherein: The air inlet is provided with a plurality of air deflectors, the plurality of air deflectors are arranged in a spaced-apart manner from top to bottom, the air deflectors are inclined from top to bottom, the upper end of the air deflector extends into the shower cooling cavity, and the lower end of the air deflector extends outside the tower body.

8. The high-efficiency counterflow cooling tower according to claim 7, wherein: The air deflector is rotatably arranged to swing up and down the upper end and the lower end of the air deflector.

9. The high-efficiency counterflow cooling tower according to claim 1, wherein: The filler device includes a plurality of filler bodies arranged in a vertical manner, the plurality of filler bodies are arranged in a spaced-apart manner in a horizontal direction, and a plurality of fixing rods are arranged between the plurality of filler bodies.

10. The high-efficiency counterflow cooling tower according to claim 1, wherein: The bottom of the tower body is provided with a plurality of supporting legs.

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