Demisting cooling tower

Abstract

The utility model discloses a demisting cooling tower, which relates to the field of cooling towers, and adopts the technical scheme that the demisting cooling tower comprises a shell, a spray pipe and a fan, a cavity is formed in the shell, a plurality of horizontally arranged condensation pipes are fixedly connected to the inner side wall of the shell, and an inner cavity and an outer cavity which are isolated from each other are arranged in each condensation pipe; a plurality of upper through holes and lower through holes are formed in the condensation pipe, the inner cavity is communicated with the cavity through the upper through holes and the lower through holes, and a plurality of fans are fixedly connected to the outer side wall of the shell. Water vapor enters the inner cavity from the cavity through the lower through hole, heat carried by the water vapor is transmitted into the outer cavity, the fan drives air in the outer cavity to carry heat to be discharged out of the shell, the temperature in the inner cavity is reduced, part of the water vapor becomes liquid water again and falls down from the lower through hole, consumption of cooling water is reduced, and the cooling efficiency is improved. The upper through holes and the lower through holes are arranged in a staggered mode, so that the movement path of water vapor in the condensation pipe is increased, and it is guaranteed that the water vapor can be fully cooled in the condensation pipe.

Description

Technical Field

[0001] The utility model relates to the field of cooling towers, and more specifically, to a demisting cooling tower. Background Art

[0002] A cooling tower is a device for cooling circulating water. When the circulating water to be cooled flows through the heat exchange tube tray, the spray pipe above the heat exchange tube tray sprays cooling water downward. A part of the cooling water falls into the pool at the bottom with the heat on the surface of the heat exchange tube tray, and then is transported to the spray pipe again by a water pump. Another part of the cooling water turns into water vapor, and the fan at the top of the cooling tower discharges the water vapor and heat below upward in the form of mist. However, directly discharging all the water vapor consumes too much cooling water.

[0003] Therefore, a new solution needs to be proposed to solve this problem. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a demisting cooling tower.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A demisting cooling tower includes a housing, a spray pipe and a fan. A cavity is provided inside the housing. The fan is fixedly connected to the top of the housing. The spray pipe is fixedly connected to the inner side wall of the housing and is located below the fan. A plurality of horizontally arranged condensation pipes are fixedly connected to the inner side wall of the housing. The condensation pipes are located between the spray pipe and the fan. The condensation pipes are arrayed in the horizontal direction to form a pipe tray. The condensation pipes are provided with a mutually isolated inner cavity and outer cavity. A plurality of upper through holes and lower through holes are provided on the condensation pipes. The upper through holes are located at the top of the condensation pipes, and the lower through holes are located at the bottom of the condensation pipes. In the vertical projection plane, the upper through holes and the lower through holes are arranged in a staggered manner. The inner cavity is communicated with the cavity through the upper through holes and the lower through holes. A plurality of air blowers are fixedly connected to the outer side wall of the housing, and the air blowers are communicated with the outer cavity.

[0006] The utility model is further provided as: The condensation pipe includes an upper section, a connecting section and a lower section. The upper section and the lower section are both horizontally arranged. The upper section is higher than the lower section. The upper through hole is located at the top of the upper section, and the lower through hole is located at the bottom of the lower section. The connecting section is inclined and connects the upper section and the lower section.

[0007] The utility model is further provided as: A plurality of connecting pipes are provided inside the connecting section. The connecting pipes penetrate through both side walls of the inner cavity. The connecting pipes are communicated with the outer cavity, and the connecting pipes are mutually isolated from the inner cavity.

[0008] The present utility model is further configured such that: any one of the condenser pipes includes two lower segments, two connecting segments, and one upper segment, and adjacent condenser pipes are detachably connected by a connecting member.

[0009] The present utility model is further configured such that: the connecting member includes an inner sleeve and an outer sleeve.

[0010] The present utility model is further configured such that: the length of the inner sleeve is greater than the length of the outer sleeve.

[0011] In summary, the present utility model has the following beneficial effects: water vapor enters the inner cavity from the cavity through the lower through-hole, the heat carried by the water vapor is transferred to the outer cavity, the fan drives the air in the outer cavity to carry the heat and discharge it outside the housing, the temperature in the inner cavity drops, so the saturation humidity also drops accordingly, part of the water vapor turns back into liquid water and falls from the lower through-hole, reducing the fog concentration discharged from the cooling tower and reducing the consumption of cooling water. The misaligned arrangement between the upper through-hole and the lower through-hole increases the movement path of the water vapor in the condenser pipe, ensuring that the water vapor can be fully cooled in the condenser pipe. Description of the Drawings

[0012] Figure 1 is a cross-sectional view of the present utility model;

[0013] Figure 2 is a partial cross-sectional view of the pipe tray in the present utility model;

[0014] Figure 3 is Figure 2 the enlarged view of part A in

[0015] In the figure: 1, housing; 2, spray pipe; 3, fan; 4, cavity; 5, inner cavity; 6, outer cavity; 7, upper through-hole; 8, lower through-hole; 9, fan; 10, upper segment; 11, connecting segment; 12, lower segment; 13, connecting pipe; 14, inner sleeve; 15, outer sleeve. Detailed Description of the Embodiment

[0016] The present utility model will be described in detail below with reference to the drawings and embodiments.

[0017] Embodiment: A fog-removing cooling tower, as Figure 1 、 Figure 2 、 Figure 3As shown in the figure, it includes a housing 1, a spray pipe 2 and a fan 3. A cavity 4 is provided inside the housing 1. The fan 3 is fixedly connected to the top end of the housing 1. The spray pipe 2 is fixedly connected to the inner side wall of the housing 1 and is located below the fan 3. A number of horizontally arranged condensing pipes are fixedly connected to the inner side wall of the housing 1. The condensing pipes are located between the spray pipe 2 and the fan 3. The condensing pipes are arrayed in the horizontal direction to form a pipe tray. An inner cavity 5 and an outer cavity 6 that are isolated from each other are provided inside the condensing pipes. A number of upper through holes 7 and lower through holes 8 are provided on the condensing pipes. The upper through holes 7 are located at the top end of the condensing pipes, and the lower through holes 8 are located at the bottom end of the condensing pipes. The upper through holes 7 and the lower through holes 8 are arranged in a staggered manner on the vertical projection plane. The inner cavity 5 is communicated with the cavity 4 through the upper through holes 7 and the lower through holes 8. A number of air blowers 9 are fixedly connected to the outer side wall of the housing 1. The air blowers 9 are communicated with the outer cavity 6.

[0018] Specifically, the air blower 9 is fixedly connected to the outer side wall of the housing 1 through bolts. A blocking pipe is fixedly connected at the air outlet of the air blower 9. The blocking pipe closes the end of the inner cavity 5 to ensure isolation between the air blower 9 and the inner cavity 5. The cooling water sprayed by the spray pipe 2 contacts the heat exchange pipe tray located below the spray pipe 2 to generate water vapor. Under the action of the fan 3, a pressure difference from bottom to top is formed in the cavity 4. The water vapor rises. During the rising process, the water vapor enters the inner cavity 5 from the cavity 4 through the lower through holes 8. The heat carried by the water vapor is transferred into the outer cavity 6. The air blower 9 drives the air in the outer cavity 6 to carry the heat and discharge it outside the housing 1. The temperature in the inner cavity 5 drops, so the saturation humidity also drops accordingly. Part of the water vapor turns back into liquid water and falls from the lower through holes 8, reducing the fog concentration discharged from the cooling tower and reducing the consumption of cooling water. The staggered arrangement between the upper through holes 7 and the lower through holes 8 increases the movement path of the water vapor in the condensing pipes, ensuring that the water vapor can be fully cooled in the condensing pipes.

[0019] As Figure 1 , Figure 2 , Figure 3 As shown in the figure, the condensing pipe includes an upper section 10, a connecting section 11 and a lower section 12. Both the upper section 10 and the lower section 12 are horizontally arranged. The upper section 10 is higher than the lower section 12. The upper through holes 7 are located at the top end of the upper section 10, and the lower through holes 8 are located at the bottom end of the lower section 12. The connecting section 11 is inclined and connects the upper section 10 and the lower section 12. A number of connecting pipes 13 are provided inside the connecting section 11. The connecting pipes 13 penetrate through both side walls of the inner cavity 5. The connecting pipes 13 are communicated with the outer cavity 6. The connecting pipes 13 are isolated from the inner cavity 5.

[0020] Specifically, the upper section 10, the connecting section 11, and the lower section 12 are all composed of a top cover, a bottom cover, and an intermediate tube. The cross sections of the top cover and the bottom cover are combined to form an annular structure. The bottom end of the top cover is fixedly connected to the top end of the bottom cover. The intermediate tube is fixedly connected to the bottom cover at the lower through hole 8, and the intermediate tube is fixedly connected to the top cover at the upper through hole 7. An inner cavity 5 is formed in the intermediate tube, and an outer cavity 6 is formed between the intermediate tube and the top cover and between the intermediate tube and the bottom cover. There are four upper through holes 7 on any upper section 10, and four lower through holes 8 on any lower section 12. The inclined connecting section 11 further increases the movement path of water vapor and increases the contact between water vapor and the side wall of the inner cavity 5, thereby improving the cooling effect of water vapor. The connecting tube 13, as an extension of the outer cavity 6, increases the heat exchange area between the outer cavity 6 and the inner cavity 5, thereby improving the heat exchange rate between the outer cavity 6 and the inner cavity 5.

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, any condenser includes two lower sections 12 , two connecting sections 11 and an upper section 10 . Adjacent condensers are detachably connected via a connector. The connector includes an inner sleeve 14 and an outer sleeve 15 . The length of the inner sleeve 14 is greater than that of the outer sleeve 15 .

[0022] Specifically, any fan 9 is connected to two sections of condenser tubes that are interconnected. The condenser tubes that are detachably connected to each other are convenient for maintenance of the cooling tower. When the condenser tube needs to be replaced, only a single condenser tube needs to be replaced. The outer sleeve 15 is sleeved outside the tubular structure composed of the top cover and the bottom cover, and the inner sleeve 14 is sleeved outside the middle tube. The wall thickness of the outer sleeve 15 is greater than the wall thickness of the inner sleeve 14, which ensures the connection strength between adjacent condenser tubes. The wall thickness of the inner sleeve 14 is smaller, which ensures the flow area of ​​the outer cavity 6. The inner sleeve 14 ensures the sealing of the inner cavity 5 between adjacent lower sections 12. The inner sleeve 14 is longer, which ensures that when connecting adjacent condenser tubes, the inner sleeve 14 can be first sleeved on the two lower sections 12, which is convenient for connecting adjacent condenser tubes.

[0023] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A demisting cooling tower, characterized in that: The utility model comprises a shell, a spray pipe and a fan, wherein a cavity is provided in the shell, the fan is fixedly connected to the top end of the shell, the spray pipe is fixedly connected to the inner wall of the shell and is located below the fan, a plurality of horizontally arranged condensing tubes are fixedly connected to the inner wall of the shell, the condensing tubes are located between the spray pipe and the fan, the condensing tubes are arrayed in a horizontal direction to form a tube disk, an inner cavity and an outer cavity isolated from each other are provided in the condensing tube, a plurality of upper through holes and lower through holes are provided on the condensing tube, the upper through holes are located at the top end of the condensing tube, the lower through holes are located at the bottom end of the condensing tube, the upper through holes and the lower through holes are staggered with each other on the vertical projection plane, the inner cavity is connected with the cavity through the upper through holes and the lower through holes, a plurality of fans are fixedly connected to the outer wall of the shell, the fans are connected with the outer cavity.

2. The demisting cooling tower according to claim 1, characterized in that: The condenser includes an upper section, a connecting section, and a lower section. The upper section and the lower section are both horizontally arranged. The upper section is higher than the lower section. The upper through hole is located at the top end of the upper section, and the lower through hole is located at the bottom end of the lower section. The connecting section is inclined and connects the upper section and the lower section.

3. The demisting cooling tower according to claim 2, characterized in that: A plurality of connecting pipes are arranged in the connecting section, the connecting pipes penetrate through the two side walls of the inner cavity, the connecting pipes are communicated with the outer cavity, and the connecting pipes are isolated from the inner cavity.

4. The demisting cooling tower according to claim 3, characterized in that: Any of the condensing tubes comprises two lower sections, two connecting sections and an upper section, and adjacent condensing tubes are detachably connected via a connecting piece.

5. The demisting cooling tower according to claim 4, characterized in that: The connecting piece comprises an inner sleeve and an outer sleeve.

6. The demisting cooling tower according to claim 5, characterized in that: The length of the inner sleeve is greater than the length of the outer sleeve.

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