WO2022110094A1

WO2022110094A1 - Cooling tower for use in central air conditioner

Info

Publication number: WO2022110094A1
Application number: PCT/CN2020/132561
Authority: WO
Inventors: 张利萍
Original assignee: 张利萍
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2022-06-02

Abstract

A cooling tower for use in a central air conditioner, the cooling tower comprising a housing (1), a heat discharging device (2) and a spraying device (3), wherein the housing (1) is a cylinder with a big middle part and small upper and lower parts as a whole; a heat discharging port (11) is arranged at the top of the housing (1); an air inlet (12) is arranged in the middle part of the housing (1); the air inlet (12) is provided with a filter screen with a small pore size and is fixed by means of a bolt; a lower side of the air inlet (12) is connected to a chassis (13) by means of a bolt; the chassis (13) is connected to a water outlet pump (5) by means of a water pipe; the bottom of the housing (1) is supported by four support columns (14); the heat discharging device (2) is arranged in the heat discharging port (11), and is fixed by means of a bolt through an electric motor frame (21); and the spraying device (3) is arranged inside the housing (1). A pulley (35) and a slideway (36) are used, instead of a wire rope, to fix the other end of a spraying rod (31), and the pulley (35) and the slideway (36) also assist in sliding. Two electric motors (22) and two fans (23) are arranged at the heat discharging port (11), which increases power output, and improves the cooling efficiency to a certain extent.

Description

A cooling tower for central air conditioning

technical field

The utility model relates to the technical field of central air conditioning, in particular to a cooling tower for central air conditioning.

Background technique

The cooling tower is a device that uses water as a circulating coolant to absorb heat from a system and discharge it into the atmosphere to reduce the temperature of the water; its cooling is to use water and air to exchange heat and cold to generate steam, and the volatilization of the steam takes away the heat to achieve evaporation. The principle of heat dissipation, convective heat transfer and radiation heat transfer is to dissipate the waste heat generated in the industry or refrigeration and air conditioning to reduce the water temperature of the evaporative heat dissipation device to ensure the normal operation of the system.

The existing cooling tower has only one fan at the top, which is not enough to cool the inside of the shell. Steel wire ropes are used to fix the spray rods. The filter screen has a large aperture, which allows large particles of dust to enter, causing blockage of the pipeline.

Utility model content

The purpose of the present invention is to provide a cooling tower for central air conditioning, which solves the problems raised in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cooling tower for central air conditioning, comprising a shell, a heat removal device and a spray device, the shell as a whole is a cylinder with a large middle, an upper and a lower, and the The top of the housing is provided with a heat exhaust port, the middle of the housing is provided with an air inlet, the air inlet is provided with a filter screen with a small aperture and is fixed by bolts, and the lower side of the air inlet is connected to the chassis by bolts, so The chassis is connected to the outlet pump through water pipes, the bottom of the casing is supported by four support columns, the heat exhaust device is arranged in the heat exhaust port, and is fixed by bolts through the motor frame, and the spray device is arranged at the inside the casing.

As a preferred embodiment of the present invention, the heat removal device is provided with two motors and two fans, the power output end of the motors is placed below, and the upper part of the motor is fixed with the motor frame by bolts connection, the lower end of the motor is fixedly connected with the fan.

As a preferred embodiment of the present invention, the spraying device includes a spraying rod, a water delivery pipe, an inlet pump and a rotary motor, the spraying device is arranged below the heat exhaust device, and the water delivery pipe is provided with In the middle of the inner side of the casing, the bottom of the water delivery pipe is connected to an inlet water pump, the inlet water pump is arranged in the middle of the bottom surface of the casing, and the top of the water delivery pipe is connected to the middle of the spray rod through a bearing, The rotating motor is arranged on the upper part of the spray rod, the rotating motor is connected with the inside of the casing through a connecting rod, and a spray head is provided on the lower side of the spray rod.

As a preferred embodiment of the present invention, a slideway is provided in the middle of the inner surface of the housing, a pulley is provided on the bottom surface of the outer end of the spray rod, and the pulley is slidably connected to the top surface of the slideway .

As a preferred embodiment of the present invention, the lower side of the spray rod is provided with a water shower filler, the water shower filler is made of PVC material, and the water shower filler is in a honeycomb shape.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. In the present utility model, two motors and fans are arranged in the heat exhaust port of the cooling tower, which increases the heat dissipation capacity of the cooling tower.

2. A slideway is set inside the shell, and a pulley is set at the end of the spray rod. The pulley and the slideway play an auxiliary role in the rotation of the spray rod, and the service life is longer and the maintenance cost is reduced.

3. A filter with a small aperture is installed at the air inlet, so that large-sized dust and foreign objects cannot enter, and the pipe blockage caused by dust deposition is avoided.

Description of drawings

1 is a structural diagram of a cooling tower for a central air conditioner of the present invention;

2 is a cross-sectional structural diagram of a cooling tower for central air-conditioning of the present utility model;

3 is a structural diagram of a cooling tower spray pipe for a central air conditioner of the present invention.

In the picture: 1-shell, 2-heat exhaust device, 3-spray device, 4-spray water filler, 5-outlet water pump, 11-heat exhaust port, 12-air inlet, 13-chassis, 14-support column , 21-motor frame, 22-motor, 23-fan, 31-spray rod, 32-water pipe, 33-inlet pump, 34-spray head, 35-pulley, 36-slide, 37-rotary motor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-2, the present utility model provides a technical solution: a cooling tower for central air conditioning, comprising a shell 1, a heat exhaust device 2 and a spray device 3, the shell 1 as a whole is the middle, the upper and lower sides A small cylinder, the top of the casing 1 is provided with a heat exhaust port 11, the middle of the casing 1 is provided with an air inlet 12, and the air inlet 12 is provided with a small aperture filter screen and is fixed by bolts, so The lower side of the air inlet 12 is connected to the chassis 13 through bolts, the chassis 13 is connected to the outlet water pump 5 through water pipes, the bottom of the housing 1 is supported by four support columns 14, and the heat exhaust device 2 is arranged on the exhaust. The hot port 11 is fixed by bolts through the motor frame 21 , and the spray device 3 is arranged inside the casing 1 .

Referring to FIG. 2 , as a preferred technical solution in this embodiment, the heat removal device 2 is provided with two motors 22 and two fans 23 , the power output end of the motor 22 is placed below, and the The upper part of the motor 22 is fixedly connected to the motor frame 21 through bolts, and the lower end of the motor 22 is fixedly connected to the fan 23; two motors 22 and two fans 23 are provided to cool the cooling water faster .

Referring to FIG. 2 , as a preferred technical solution in this embodiment, the spraying device 3 includes a spraying rod 31 , a water delivery pipe 32 , an inlet pump 33 and a rotating motor 37 , and the spraying device 3 is arranged on the Below the heat removal device 3 , the water delivery pipe 32 is arranged in the inner middle of the casing 1 , and the bottom of the water delivery pipe 32 is connected to an inlet water pump 33 , and the inlet water pump 33 is arranged on the bottom surface of the casing 1 . In the middle part, the top of the water delivery pipe 32 is connected to the middle part of the spray rod 31 through a bearing, the rotating motor 37 is arranged on the upper part of the spray rod 31, and the rotating motor 37 is connected to the shell through a connecting rod. The inside of the body 1 is connected, and the spray rod 31 is provided with a spray head 34 on the lower side; the rotating motor 37 drives the spray rod 31 to rotate the spray rod 31 to discharge water, thereby accelerating the cooling of the cooling water.

Please refer to FIG. 3 , as a preferred technical solution in this embodiment, a slideway 36 is provided in the middle of the inner surface of the housing 1 , and a pulley 35 is provided on the bottom surface of the outer end of the spray rod 31 . The pulley 35 is slidably connected with the top surface of the slideway 36; the pulley 35 and the slideway 36 have a long service life and a simple structure, and can assist the spray rod 31 to rotate.

Please refer to FIG. 2 , as a preferred technical solution in this embodiment, a water shower filler 4 is provided on the lower side of the spray rod 31 , and the water shower filler 4 is made of PVC, and the water shower filler 4 is made of PVC material. 4 is honeycomb shape; water-spraying filler 4 increases heat dissipation, prolongs cooling water residence time, increases heat exchange area, and increases heat exchange.

Working principle: the used cooling water is pumped into the water pipe 32 by the inlet pump 33, and then transferred to the spray rod 31. The rotating motor 37 drives the spray rod 31, so that the spray rod 31 rotates and the water is sprayed through the spray head 34. When it falls out, the water spray filler 4 will prolong the stay time of the cooling water, the motor 22 in the heat exhaust port 11 rotates to drive the fan 23, and the air outside the cooling tower is drawn in from the air inlet 12. When the air is drawn in, the air inlet 12 The filter screen will filter the air, and the air entering the tower will move upward through the water spray packing 4 to cool the cooling water staying on the water spray packing 4. After the cooling is completed, the cooling water falls into the chassis and passes through The outlet pump 5 is pumped out.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

A cooling tower for central air conditioning, comprising a shell (1), a heat exhaust device (2) and a spray device (3), characterized in that the shell (1) as a whole is a cylinder that is large in the middle, up and down, and small in size , the top of the housing (1) is provided with a heat exhaust port (11), the middle of the housing (1) is provided with an air inlet (12), and the air inlet (12) is provided with a small aperture filter screen And fixed by bolts, the lower side of the air inlet (12) is connected to the chassis (13) by bolts, the chassis (13) is connected to the outlet water pump (5) by a water pipe, and the bottom of the casing (1) is connected by four The support column (14) is supported, the heat exhaust device (2) is arranged in the heat exhaust port (11), and is fixed by bolts through the motor frame (21), and the spray device (3) is arranged in the Inside the housing (1).
A cooling tower for central air-conditioning according to claim 1, characterized in that: the heat removal device (2) is provided with two motors (22) and two fans (23), and the motor (22) is provided with two motors (22). The power output end is placed below, the upper part of the motor (22) is fixedly connected to the motor frame (21) through bolts, and the lower end of the motor (22) is fixedly connected to the fan (23).
A cooling tower for central air conditioning according to claim 1, characterized in that: the spray device (3) comprises a spray rod (31), a water delivery pipe (32), an inlet pump (33) and a rotary motor ( 37), the spray device (3) is arranged below the heat exhaust device (3), the water delivery pipe (32) is arranged in the inner middle of the housing (1), the water delivery pipe (32) ) bottom is connected to an inlet water pump (33), the inlet water pump (33) is arranged in the middle of the bottom surface of the casing (1), and the top of the water delivery pipe (32) is connected to the spray rod (31) through a bearing The middle part is connected, the rotating motor (37) is arranged on the upper part of the spray rod (31), the rotating motor (37) is connected with the inside of the casing (1) through the connecting rod, the spray rod The lower side of (31) is provided with a nozzle (34).
The cooling tower for central air-conditioning according to claim 1, characterized in that: a slideway (36) is provided in the middle of the inner surface of the casing (1), and the bottom surface of the outer end of the spray rod (31) A pulley (35) is provided, and the pulley (35) is slidably connected with the top surface of the slideway (36).
The cooling tower for central air conditioning according to claim 1, characterized in that: the lower side of the spray rod (31) is provided with a water spray filler (4), and the water spray filler (4) is made of PVC , and the water-spraying filler (4) is honeycomb-shaped.