CN211823920U - EC fan air draft open type transverse flow cooling tower - Google Patents

Abstract

The utility model discloses a cross-flow cooling tower of an EC fan exhausted and open type. There are four EC axial flow fans, and the outer wall of the top of the EC axial flow fan is welded with a filter screen, the outer walls of both sides of the top of the tower body are provided with installation grooves, and the inner wall of the installation groove is installed with a water distribution tank through bolts. The outer wall of the bottom of the water distribution tank is provided with installation threaded holes distributed in an equidistant structure. In the utility model, the EC axial flow fan is arranged on the top of the tower body, the air outside the tower is introduced into the tower by the EC axial flow fan, and the air can flow laterally to form an airflow with side inlet air and top outlet air, which can make the two sides of the tower body flow. The side can enter the cold air outside the tower at the same time, so that the airflow cools the water flow, and four EC axial flow fans are set to improve the cooling efficiency.

Description

An EC fan exhausted open cross-flow cooling tower

technical field

The utility model relates to the technical field of cooling towers, in particular to an EC fan exhausted open type cross-flow cooling tower.

Background technique

With the rapid development of industry and urbanization in our country, the standards for environmental requirements and energy use are getting higher and higher, which brings great challenges to the technology of all walks of life. A development direction of water emission reduction, noise reduction and environmental protection, the cross-flow cooling tower is a cooling tower in which the water flow falls vertically from the upper part of the tower, the air flows horizontally through the water filling, and the air flow is orthogonal to the water flow. The air conducts heat exchange and mass exchange, which causes the water temperature to drop.

The existing cross-flow cooling towers are noisy and have a relatively large impact on the surrounding area. Generally, the air is discharged from the side, and the efficiency of heat exchange is low, which cannot meet the requirements of use. Therefore, it is urgent to design an open type EC fan. Cross-flow cooling tower to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings of the prior art, and proposes an EC fan exhausted open type cross-flow cooling tower.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An EC fan exhausted open type cross-flow cooling tower, including a base, a tower body is welded on the outer wall of the top of the base, and a through hole is opened in the center of the outer wall of the top of the tower body, and the interior of the through hole is installed with four bolts. Each EC axial flow fan is welded with a filter screen on the outer wall of the top of the EC axial flow fan.

Further, installation grooves are provided on both outer walls of the top of the tower body, and a water distribution tank is installed on the inner wall of the installation groove through bolts, and the outer wall of the bottom of the water distribution tank is provided with installation threaded holes in an equidistant structure. , and the inner thread of the installation threaded hole is connected with a water distribution component.

Further, the water distribution assembly includes an installation threaded column, and a connecting cylinder is welded on the outer wall of the bottom of the threaded column, and a first splash plate is welded on the outer wall of the bottom of the connecting cylinder, and the outer wall of the bottom of the first splash plate is welded. A center hole is opened at the center, a second splash plate is welded on the inner wall of the center hole, and the threaded post is threadedly connected inside the installation threaded hole.

Further, a box cover is placed on the top of the inner wall of the installation groove, and a water inlet pipe is welded on the outer wall of the top of the box cover.

Further, heat exchangers are installed on the inner walls on both sides of the tower body through bolts, baffles are welded on both sides of the outer wall of the top of the heat exchanger, and the heat exchanger is filled with heat exchange fillers.

Further, water outlet pipes are welded on the outer walls on both sides of the base, and valves are provided on the outer walls of the water outlet pipes.

Further, a water collecting tank is opened on the outer wall of the top of the base directly below the heat exchanger, and the water collecting tank and the water outlet pipe are communicated with each other.

Further, an inspection door is movably connected to the center of the outer wall of the front of the tower body through a hinge, and an inspection platform is welded on the top outer wall of the base inside the tower body.

Further, an escalator is welded on one side of the front outer wall of the base, and the bottom end of the escalator is welded on one side of the front outer wall of the tower body.

Further, shutters are welded on the outer walls on both sides of the tower body close to the heat exchanger, and the water distribution tank and the heat exchanger are perpendicular to each other.

The beneficial effects of the present utility model are:

1. The EC axial flow fan is installed on the top of the tower body, and the air outside the tower is introduced into the tower body by the EC axial flow fan. , so that the two sides of the tower body can enter the cold air outside the tower body at the same time, so that the airflow can cool the water flow, and four EC axial fans are installed to improve the cooling efficiency.

2. Through the set second splash plate, the hot water is sprinkled from the water distribution tank on the first splash plate, and then falls onto the second splash plate through the central hole. The second splash plate is in the shape of a propeller, which can make the The water droplets falling from the second water splash plate are sprayed more dispersedly on the heat exchanger, which realizes the more dispersed spraying during water distribution.

3. Through the set maintenance door, when there is a fault inside the tower body, the maintenance personnel can pass the maintenance door to facilitate the maintenance personnel to enter and exit the tower body for maintenance, saving time and effort, thus improving the convenience of maintenance.

Description of drawings

Fig. 1 is the structural representation of a kind of EC fan ventilating open type cross-flow cooling tower proposed by the utility model;

Fig. 2 is the internal structure schematic diagram of a kind of EC fan ventilating open type cross-flow cooling tower proposed by the utility model;

3 is a schematic structural diagram of the water distribution component of a kind of EC fan extraction open cross-flow cooling tower proposed by the utility model;

Fig. 4 is a kind of front view structure schematic diagram of a kind of EC fan ventilating open type cross-flow cooling tower proposed by the utility model;

Fig. 5 is a kind of side view schematic diagram of a kind of EC fan ventilating open type cross-flow cooling tower proposed by the utility model;

FIG. 6 is a schematic top view of a cross-flow cooling tower of an EC fan exhausted and open type proposed by the present invention.

In the picture: 1 base, 2 tower body, 3 installation slots, 4 water distribution tanks, 5 water distribution components, 6 tank covers, 7 EC axial fans, 8 heat exchangers, 9 maintenance platforms, 10 shutters, 11 installation threaded holes, 12 connecting cylinder, 13 threaded column, 14 center hole, 15 first splash plate, 16 second splash plate, 17 water inlet pipe, 18 water outlet pipe, 19 inspection door, 20 escalator, 21 water collection tank, 22 baffle plate, 23 Heat exchange packing, 24 filters, 25 through holes, 26 valves.

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.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 to FIG. 6 at the same time, an EC fan extraction open type cross-flow cooling tower includes a base 1, a tower body 2 is welded on the outer wall of the top of the base 1, and a through hole 25 is opened at the center of the outer wall of the top of the tower body 2 , the inside of the through hole 25 is installed with four EC axial fans 7 through bolts, and the outer wall of the top of the EC axial fan 7 is welded with a filter screen 24, and the EC axial fan 7 is arranged on the top of the tower body 2, The air outside the tower body 2 is introduced into the tower body 2 by the EC axial flow fan 7, and the air can flow laterally to form an airflow with side air inlet and top air outlet, so that both sides of the tower body 2 can enter the cold air outside the tower body 2 at the same time, The airflow cools the water flow, and four EC axial flow fans 7 are provided to improve the cooling efficiency.

Further, installation grooves 3 are provided on the outer walls of both sides of the top of the tower body 2, and the inner wall of the installation groove 3 is installed with a water distribution tank 4 through bolts, and the outer wall of the bottom of the water distribution tank 4 is provided with installation threads distributed in an equidistant structure. The hole 11 is installed, and the inside of the installation screw hole 11 is threadedly connected with a water distribution assembly 5, which can spray the hot water more dispersedly when the water is distributed.

Further, the water distribution assembly 5 includes an installation threaded post 13, and the outer wall of the bottom of the threaded post 13 is welded with a connecting cylinder 12, and the outer wall of the bottom of the connecting cylinder 12 is welded with a first splash disc 15, and the first splash disc 15 The center of the outer wall of the bottom is provided with a central hole 14, the inner wall of the central hole 14 is welded with a second splash plate 16, and the threaded column 13 is threadedly connected to the inside of the installation threaded hole 11, and the hot water is sprinkled from the water distribution tank 4 to the first. On the splash plate 15, it falls onto the second splash plate 16 through the central hole 14. The second splash plate 16 is in the shape of a propeller, so that the water droplets falling on the second splash plate 16 can be sprayed more dispersedly. On the heat exchanger 8, the hot water is exchanged through the heat exchange filler 23, so that the spraying is more dispersed when the water is distributed.

Further, a box cover 6 is placed on the top of the inner wall of the installation groove 3, and a water inlet pipe 17 is welded on the outer wall of the top of the box cover 6, which is reasonable in design and novel in structure.

Further, heat exchangers 8 are installed on the inner walls of both sides of the tower body 2 through bolts, and baffle plates 22 are welded on both sides of the outer walls of the top of the heat exchanger 8, and the interior of the heat exchanger 8 is filled with heat exchange fillers 23, The baffle 22 can prevent the hot water from being spilled to the outside of the radiator 8 during the spilling process.

Further, the water outlet pipes 18 are welded on the outer walls of both sides of the base 1, and the outer walls of the water outlet pipes 18 are provided with valves 26 through which the cooled water is discharged, which is more convenient.

Further, a water collecting tank 21 is opened on the top outer wall of the base 1 directly below the heat exchanger 8, and the water collecting tank 21 and the water outlet pipe 18 communicate with each other, and the water collecting tank 21 can collect and place the cooled water.

Further, an inspection door 19 is movably connected to the center of the outer wall of the front of the tower body 2 through hinges, and an inspection platform 9 is welded on the top outer wall of the base 1 inside the tower body 2. When a fault occurs inside the tower body 2, the maintenance personnel Through the inspection door 19, it is convenient for maintenance personnel to enter and exit the tower body 2 for maintenance, which saves time and effort, and thus improves the convenience of maintenance.

Further, an escalator 20 is welded to one side of the front outer wall of the base 1, and the bottom end of the escalator 20 is welded to one side of the front outer wall of the tower body 2, which can assist the staff to perform maintenance and inspection on the top of the tower body 2.

Further, shutters 10 are welded on the outer walls on both sides of the tower body 2 close to the heat exchanger 8, and the water distribution tank 4 and the heat exchanger 8 are perpendicular to each other. The external garbage enters the interior of the tower body 2 .

Working principle: When the EC fan is used, the open-type cross-flow cooling tower will inject hot water into the water distribution tank 4 through the water inlet pipe 17. It falls on the second splash pan 16, and the second splash pan 16 is in the shape of a propeller, so that the water droplets falling on the second splash pan 16 can be sprayed more dispersedly on the heat exchanger 8, through the heat exchange filler 23 conducts heat exchange for the hot water to achieve a more dispersed spray during water distribution. The hot water flows downward through the surface of the heat exchange filler 23 and forms a water film on the surface of the heat exchange filler 23; the EC axial fan 7 The air is drawn into the tower body 2 through the shutter 10, and the dry and cold air flow into the tower body 2 will pass through the heat exchange air 8 and become moist and hot air. The membrane conducts heat exchange, and the dry and cold air exchanges heat with the water membrane to cool the hot water and turns into moist hot air and leaves the heat exchanger 8. The cooled water is collected from the heat exchange filler 23 into the water collecting tank inside the base 1, and the water is discharged from the water outlet pipe. 18, the hot and humid air from the heat exchange filler 4 is drawn out of the tower body 1 from the air outlet by the EC axial flow fan 2 to complete the cold and heat exchange.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (10)

1. The utility model provides an open crossing current cooling tower of EC fan convulsions, includes base (1), its characterized in that, the welding has tower body (2) on the outer wall at base (1) top, and the center department of tower body (2) top outer wall has seted up through-hole (25), four EC axial fan (7) are installed through the bolt in the inside of through-hole (25), and all weld on the outer wall at the top of EC axial fan (7) filter screen (24).

2. The open crossflow cooling tower with the EC fan for air draft as claimed in claim 1, wherein mounting grooves (3) are formed in the outer walls of the two sides of the top of the tower body (2), a water distribution tank (4) is mounted on the inner wall of each mounting groove (3) through bolts, mounting threaded holes (11) which are distributed in an equidistant structure are formed in the outer wall of the bottom of the water distribution tank (4), and the water distribution assembly (5) is connected to the inner threads of the mounting threaded holes (11).

3. The EC fan induced draft open type cross flow cooling tower of claim 2, wherein the water distribution assembly (5) comprises a mounting threaded column (13), a connecting cylinder (12) is welded on the outer wall of the bottom of the threaded column (13), a first splash plate (15) is welded on the outer wall of the bottom of the connecting cylinder (12), a central hole (14) is formed in the center of the outer wall of the bottom of the first splash plate (15), a second splash plate (16) is welded on the inner wall of the central hole (14), and the threaded column (13) is in threaded connection with the inside of the mounting threaded hole (11).

4. The EC fan induced draft open type crossflow cooling tower of claim 2, wherein a box cover (6) is placed on the top of the inner wall of the mounting groove (3), and a water inlet pipe (17) is welded on the outer wall of the top of the box cover (6).

5. The EC fan induced draft open type cross flow cooling tower of claim 1, wherein heat exchangers (8) are installed on the inner walls of two sides of the tower body (2) through bolts, baffles (22) are welded on two sides of the outer wall of the top of each heat exchanger (8), and heat exchange fillers (23) are filled in the heat exchangers (8).

6. The EC fan induced draft open type cross flow cooling tower of claim 1, wherein water outlet pipes (18) are welded on the outer walls of two sides of the base (1), and valves (26) are arranged on the outer walls of the water outlet pipes (18).

7. The EC fan induced draft open type cross flow cooling tower of claim 1, wherein a water collecting tank (21) is arranged on the outer wall of the top of the base (1) under the heat exchanger (8), and the water collecting tank (21) is communicated with the water outlet pipe (18).

8. The EC fan induced draft open type cross flow cooling tower of claim 1, wherein an access door (19) is movably connected to the center of the outer wall of the front side of the tower body (2) through a hinge, and an access platform (9) is welded on the outer wall of the top of the base (1) inside the tower body (2).

9. The EC fan draft open type cross flow cooling tower of claim 1, wherein an escalator (20) is welded on one side of the outer wall of the front face of the base (1), and the bottom end of the escalator (20) is welded on one side of the outer wall of the front face of the tower body (2).

10. The EC fan induced draft open type cross flow cooling tower of claim 1, wherein shutters (10) are welded on the outer walls of two sides of the tower body (2) close to the heat exchanger (8), and the water distribution tank (4) and the heat exchanger (8) are perpendicular to each other.

Images