Round countercurrent cooling tower

Abstract

The utility model relates to the technical field of cooling towers, in particular to a circular countercurrent cooling tower which comprises a tank body, an air inlet section is arranged at the bottom end of the tank body, a water collecting mechanism is fixedly arranged at the bottom end of the air inlet section, and a cooling mechanism is arranged in the tank body. Water with waste heat is pumped into the water inlet pipe through the hot water inlet, enters the water distributor and is finally sprayed to the surface of the filler through the multiple nozzles on the water distributor to form water films or water drops, the contact area of the water and air is greatly increased through the filler sheets in different shapes, the retention time of the water in the filler is prolonged, and the service life of the filler is prolonged. Therefore, heat transfer with air is fully carried out, heat exchange is accelerated, and the cooling effect is achieved. The overflow port and the drain outlet are formed in one side of the water inlet and outlet tank, when the water level in the water tank exceeds a certain range, the overflow port can quickly discharge residual water to guarantee normal operation of the cooling tower, and the drain outlet is formed, so that impurities, dirt and the like accumulated in the cooling tower can be discharged out of a cooling system regularly, and the risk of equipment blockage caused by accumulation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling tower technical field, concretely is a kind of circular counterflow cooling tower. BACKGROUND

[0002] The role of cooling tower is to cool the circulating water carrying heat, so that it can be recycled after temperature reduction. It exchanges heat between water and air, uses evaporation, conduction and other principles to dissipate waste heat generated in industrial production or refrigeration to the atmosphere to ensure that various types of equipment and systems can operate stably at appropriate temperatures, improve equipment efficiency, extend equipment life, and are widely used in power, chemical, metallurgical, air conditioning and many other fields. It is an important equipment to ensure normal production and life.

[0003] As disclosed in the authorized announcement No. CN212445089U, a novel cooling tower includes a rack, a cooling tower body, an exhaust device, a spraying device, a filler bracket and a water collecting tank. The cooling tower body is provided with a water inlet communicated with the spraying device and a water outlet communicated with the water collecting tank, and an air inlet is formed in the side surface of the cooling tower body. The exhaust device is installed in the opening at the top of the cooling tower body. The spraying device is provided with a plurality of spray nozzles. The filler bracket is at least one layer, and the multiple layers of filler brackets are arranged along the height direction of the cooling tower body. The filler bracket is used for fixing the cooling filler and can adjust the number of layers of the filler bracket according to the volume and weight of the cooling filler to adapt to the cooling filler. The number of layers of the filler bracket can be adjusted according to the volume and weight of different cooling fillers to meet the adjustment of the structure of the filler bracket according to the volume and weight of the cooling filler, and the cooling filler is fixed well, improving the utilization rate and practicality of the filler bracket.

[0004] However, the structure of the utility model is complex, inconvenient to install and disassemble, and lacks effective pollution control and water level balance maintenance measures during use, which is not convenient for ensuring the use convenience and long-term operation of the cooling tower. Therefore, we propose a circular counterflow cooling tower, which simplifies the structure of the cooling tower, improves the convenience of installation and disassembly, and solves the problems of inconvenient water level balance maintenance and pollution control of the cooling tower water collecting tank, improving the use convenience and practical effect of the utility model. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a circular counterflow cooling tower to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a circular counterflow cooling tower, including the jar body, the bottom end of jar body is provided with support frame and air inlet section, the bottom end of air inlet section is fixedly provided with water collecting mechanism, the inside of jar body is provided with cooling mechanism, cooling mechanism includes motor, frame, fan, water distribution system and filler, the top of frame is fixedly installed in jar body, the top of motor is fixedly installed in frame, the rotation axis of fan is fixedly connected with motor output end, water distribution system is fixedly arranged in the bottom of fan, the bottom of filler is fixedly installed in water distribution system, water collecting mechanism includes water collecting tray, water inlet and outlet cylinder, the bottom end of water collecting tray is provided with hot water inlet, one side of water inlet and outlet cylinder is provided with water outlet, overflow and blowdown, and its top is provided with cold water inlet, and the top of cold water inlet is in communication with water collecting tray.

[0008] Preferably, the water distribution system includes a water inlet pipe and a water distributor, the top end of the water inlet pipe is in communication with the water distributor, and the bottom end of the water inlet pipe is fixedly connected with the hot water inlet.

[0009] Preferably, the water collecting tray is fixedly provided with a water outlet pipe at the center, and the bottom end of the water outlet pipe is in communication with the water inlet and outlet cylinder.

[0010] Preferably, the inside of the jar body is fixedly installed with a support frame, and the outer side of the support frame is fixedly installed with a surrounding mesh.

[0011] Preferably, the filler is fixedly arranged at the top end of the support frame, and the filler is a inclined ladder wave sheet, a point wave sheet or an S wave filler.

[0012] Preferably, the bottom end of the water collecting tray is fixedly provided with a trapezoidal support leg, the bottom end of the frame is fixedly provided with a fan mesh, and the outer side of the jar body is fixedly installed with a ladder.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The overflow port and the blowdown port arranged on one side of the water inlet and outlet cylinder of the circular counterflow cooling tower can maintain water level balance during the cooling water collection process of the water inlet and outlet cylinder, avoid water overflow from other places when the water amount is too much, and damage or corrode the structure. The arrangement of the blowdown port facilitates the discharge of the sediment impurities in the tower out of the system after the cooling tower is used for a period of time, avoids the influence on the normal operation of the cooling tower, and is more convenient to use.

[0015] 2. The arrangement of the jar body, the bottom disc and the support frame facilitates the assembly or disassembly of the cooling tower, improves the convenience of installation and transportation, and the circular cooling tower has simple structure design, low cost, light overall weight, uniform and reasonable stress, strong wind resistance, and therefore, is more stable and durable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the utility model;

[0018] Figure 3 It is the water accumulation tray structure schematic view of the utility model;

[0019] Figure 4 It is the utility model Figure 2 The enlarged schematic view of A in the middle.

[0020] In the figure: 100, tank body;101, support frame;102, air inlet section;103, enclosure mesh;104, trapezoidal support leg;105, ladder;200, motor;201, rack;202, fan;203, filler;204, water inlet pipe;205, water distributor;206, fan mesh;300, water accumulation tray;301, water inlet and outlet cylinder;302, hot water inlet;303, water outlet;304, overflow outlet;305, sewage outlet. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 A technical scheme provided by the utility model:

[0023] A circular counterflow cooling tower, comprising a tank body 100, the tank body 100 bottom end is provided with support frame 101 and air inlet section 102, the air inlet section 102 bottom end is fixedly provided with water collecting mechanism, the tank body 100 inside is provided with cooling mechanism.

[0024] In this embodiment, preferably, the cooling mechanism comprises a motor 200, a rack 201, a fan 202, a water distribution system and a filler 203, the rack 201 is fixedly installed at the top end of the tank body 100, the motor 200 is fixedly installed at the top end of the rack 201, the rotating shaft of the fan 202 is fixedly connected with the output end of the motor 200, the water distribution system is fixedly arranged at the bottom of the fan 202, the filler 203 is fixedly installed at the bottom of the water distribution system, the water distribution system comprises a water inlet pipe 204 and a water distributor 205, the top end of the water inlet pipe 204 is communicated with the water distributor 205, and the bottom end of the water inlet pipe 204 is fixedly connected with a hot water inlet 302; in use, hot water is pumped into the water inlet pipe 204 and enters the water distributor 205, and finally is sprayed onto the surface of the filler 203 by a plurality of nozzles on the water distributor 205 to form a water film or water droplets, the fillers 203 with different shapes greatly increase the contact area of water and air, prolong the residence time of water in the filler 203, so that the heat exchange is accelerated, the cooling effect is realized, and when the air on the water-air contact surface reaches saturation, the motor 200 is started to drive the fan 202 to rotate, so that the hot air in the tank body 100 is extracted, and the external air is forced to enter the tank body 100 from the air inlet section 102, so that the cooling circulation operation is ensured.

[0025] In this embodiment, preferably, the water collecting mechanism comprises a water collecting disc 300 and a water inlet and outlet cylinder 301, the bottom end of the water collecting disc 300 is provided with a hot water inlet 302, one side of the water inlet and outlet cylinder 301 is provided with a water outlet 303, a water overflow port 304 and a sewage outlet 305, and the top end is provided with a cold water inlet; in use, the cooled water falls into the water collecting disc 300 and flows into the water inlet and outlet cylinder 301 for circulation. One side of the water inlet and outlet cylinder 301 is provided with a water overflow port 304 and a sewage outlet 305, when the water level in the water cylinder exceeds a certain range, the excess water can be quickly discharged through the water overflow port 304 to ensure the normal operation of the cooling tower, the setting of the sewage outlet 305 can regularly discharge the impurities and dirt accumulated in the cooling tower out of the cooling system to prevent the risk of equipment blockage caused by accumulation, the top end of the cold water inlet is communicated with the water collecting disc 300, the center of the water collecting disc 300 is fixedly provided with an outlet pipe, and the bottom end of the outlet pipe is communicated with the water inlet and outlet cylinder 301.

[0026] In this embodiment, preferably, the tank body 100 is fixedly installed with a support frame 101, and the outer side of the support frame 101 is fixedly installed with a surrounding mesh 103, so that the air inlet section 102 can prevent external sundries from being sucked into the tank body 100 without affecting the air entering the tank body 100.

[0027] In the embodiment, preferably, the filler 203 is fixedly arranged at the top end of the support frame 101, so as to facilitate installation of the filler 203 and stability in use, and the filler 203 is a ladder wave plate, a point wave plate or an S wave filler 203, so as to ensure the cooling effect.

[0028] In the embodiment, preferably, the sump 300 is fixedly provided with trapezoidal support legs 104 at the bottom end, the rack 201 is fixedly provided with a fan 202 net at the bottom end, and a ladder 105 is fixedly arranged outside the tank 100, so as to facilitate maintenance of the cooling tower by the staff.

[0029] In use of the circular counterflow cooling tower, water with waste heat is pumped into the water inlet pipe 204 through the hot water inlet 302, and then enters the water distributor 205, and finally is sprayed onto the surface of the filler 203 through multiple nozzles on the water distributor 205 to form a water film or water droplets, the different shapes of the filler 203 greatly increase the contact area of water and air, and prolong the residence time of water in the filler 203, so as to fully exchange heat with air, accelerate heat exchange, and achieve the cooling effect. The cooled water falls into the sump 300, and then flows into the water inlet and outlet cylinder 301 through the cold water inlet for recycling. The water inlet and outlet cylinder 301 is provided with a water overflow port 304 and a sewage outlet 305 on one side, when the water level in the water cylinder exceeds a certain range, the excess water can be quickly discharged through the water overflow port 304, so as to ensure normal operation of the cooling tower, and the sewage outlet 305 can discharge impurities and dirt accumulated in the cooling tower to the cooling system at regular intervals, so as to prevent the risk of equipment blockage caused by accumulation. When the air on the water-air contact surface reaches saturation, the motor 200 is started to drive the fan 202 to rotate, so as to extract the hot air in the tank 100, and force the external air to enter the tank 100 from the air inlet section 102, so as to ensure the cooling circulation effect.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A circular counterflow cooling tower comprising a tank (100), characterized in that: The bottom end of the tank body (100) is provided with a support frame (101) and an air inlet section (102), the bottom end of the air inlet section (102) is fixedly provided with a water collecting mechanism, and the inside of the tank body (100) is provided with a cooling mechanism; The cooling mechanism comprises a motor (200), a rack (201), a fan (202), a water distribution system and a filler (203), the rack (201) is fixedly installed at the top end in the tank body (100), the motor (200) is fixedly installed at the top end of the rack (201), the rotating shaft of the fan (202) is fixedly connected with the output end of the motor (200), the water distribution system is fixedly arranged at the bottom of the fan (202), and the filler (203) is fixedly installed at the bottom of the water distribution system. The water collecting mechanism comprises a water collecting disc (300) and an in-out water cylinder (301), the bottom end of the water collecting disc (300) is provided with a hot water inlet (302), one side of the in-out water cylinder (301) is provided with a water outlet (303), a water overflow outlet (304) and a sewage outlet (305), the top end of the in-out water cylinder (301) is provided with a cold water inlet, and the top end of the cold water inlet is communicated with the water collecting disc (300).

2. A circular counterflow cooling tower according to claim 1, characterized in that: The water distribution system comprises a water inlet pipe (204) and a water distributor (205), the top end of the water inlet pipe (204) is communicated with the water distributor (205), and the bottom end of the water inlet pipe (204) is fixedly connected with the hot water inlet (302).

3. A circular counterflow cooling tower according to claim 1, characterized in that: The center of the water collecting disc (300) is fixedly provided with a water outlet pipe, and the bottom end of the water outlet pipe is communicated with the in-out water cylinder (301).

4. A circular counterflow cooling tower according to claim 1, characterized in that: The inside of the tank body (100) is fixedly installed with the support frame (101), and the outer side of the support frame (101) is fixedly installed with a surrounding mesh (103).

5. A circular counterflow cooling tower according to claim 1, characterized in that: The filler (203) is fixedly arranged at the top end of the support frame (101), and the filler (203) is a slanted ladder wave sheet, a dot wave sheet or an S wave filler (203).

6. A circular counterflow cooling tower according to claim 1, characterized in that: The bottom end of the water collecting disc (300) is fixedly provided with a trapezoidal support leg (104), the bottom end of the rack (201) is fixedly provided with a fan mesh (206), and the outer side of the tank body (100) is fixedly installed with a ladder (105).

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