KR102232311B1 - Safty cover and construction method for cooling tower blower - Google Patents

Abstract

The present invention relates to a safety cover and a construction method for a cooling tower blower. A safety cover of a net or a round bar structure is installed on an upper portion of a cooling tower to prevent a fault of a blowing fan caused by entry of external foreign substances and prevent an occurrence of an accident caused by a fall of a worker. To this end, the safety cover (200) is provided on an upper portion of a cooling tower housing (100) with a blower installed thereon. The safety cover (200) has a plurality of assembly cover bodies (210) provided with steel nets (212) supported by a cover frame (211) and divided in a radial direction to form an assembled structure in which the assembly cover bodies (210) are bolted to each other. A cover seating unit (110) on which the assembly cover bodies (210) are seated is provided on the upper end of the cooling tower housing (100).

Description

Safety cover and construction method for cooling tower blower {SAFTY COVER AND CONSTRUCTION METHOD FOR COOLING TOWER BLOWER}

The present invention relates to a safety cover for a blower, and more particularly, a cooling tower blower for preventing the inflow of foreign substances and preventing a fall accident of a worker by reinforcing the safety of facilities by improving the structure of the blower installed in the cooling tower. It relates to the structure and construction method of the safety cover for use.

As is well known, the cooling tower is a device that lowers the water temperature by vaporizing a part of the water to use the cooled cooling water by circulating the cooling water.

Such a cooling tower circulates the cooling water so that the heated cooling water flows down from the top of the tower in the form of small water droplets, and in the middle of the flow, the water temperature is lowered by contacting the wind of a blower to vaporize a part of the water.

In addition, the cooling tower is divided into atmospheric pressure type, natural ventilation type, forced ventilation type, and fan-assisted natural ventilation type according to the ventilation method, and the suction type in which the fan is located at the air outlet side of the cooling tower and the fan is the air inlet of the cooling tower according to the ventilation method. It is divided into a pressure-feeding type located on the side.

As a conventional technology related to the above-described cooling tower, Korean Patent Registration No. 1173297 (Registration Date August 6, 2012)'Cooling Tower' and Korean Patent Publication No. 10-2015-0016669 (Publication Date February 13, 2015) ' Cooling tower' and the like are disclosed.

A blower is installed on the top of the cooling tower of the prior art, and the blower includes a blower fan installed at the blower in the upper part of the cooling tower and a motor connected by a transmission device to drive the blower fan, and the transmission device is a motor shaft of the motor. It is composed of a motor pulley installed in and a fan pulley installed on the fan shaft of the blowing fan, and transmits the driving force generated by the motor to the blowing fan.

However, since the above-described conventional cooling tower does not have a separate safety cover, external foreign matter is introduced when a typhoon occurs, causing damage to the blower fan, and there is a problem of a safety accident in which a manager falls during a facility inspection process.

Korean Patent Registration No. 2001 498 (registered on July 22, 2019) Korean Patent Registration No. 1082792 (registered on November 7, 2011) Republic of Korea Utility Registration No. 116845 (January 21, 1998 registration) Korean Patent Publication No. 2020-37913 (Publication on April 10, 2020)

The present invention has been proposed to improve the above-described problems in the prior art, and by installing a safety cover on the top of the cooling tower blower, it is possible to prevent the occurrence of safety accidents such as damage to the blower fan or the fall of a worker during the facility inspection and construction process. There is a purpose to make it possible.

The present invention for achieving the above object is a safety cover configured on an upper portion of a cooling tower housing in which a blower is installed, wherein the safety cover includes a plurality of assembled cover bodies supported by a wire mesh cover frame divided in a radial direction to mutual bolts It forms an assembled structure in which fastening is made; The cooling tower housing upper end is characterized in that a cover seating portion is provided on which the assembly cover body is seated.

In addition, in the present invention, in the safety cover configured on the upper part of the cooling tower housing in which the blower is installed, the safety cover includes a plurality of assembled cover bodies in which a round bar is supported by a cover frame is divided in a radial direction so that mutual bolts are fastened. It has an assembled structure; The cooling tower housing upper portion is characterized in that the cover mounting portion is provided with a cover frame is mounted.

In the present invention, a safety cover having a mesh or round bar structure is installed on the top of the cooling tower, thereby preventing the occurrence of a blower fan failure due to the inflow of foreign substances and preventing the occurrence of a safety accident due to a fall of a worker.

In particular, it represents the advantage of achieving a divided assembly structure of the assembly cover body, the movement and installation work of the parts can be made more easily.

1 is a schematic structural diagram of a cooling tower according to an embodiment of the present invention.
Figure 2 is a partial enlarged view of the cooling tower provided with the present invention safety cover.
Figure 3 is a plan view of the present invention safety cover installation state.
Figure 4 is a cross-sectional view of the present invention safety cover installation state.
5 is an enlarged view of part A of FIG. 4.
6 is an exploded view of part A of FIG. 4.
Figure 7 is a plan view of the safety cover separated state of the present invention.
Figure 8 is a plan view of the central circular stand separated state of the present invention safety cover.
9 is a plan view of a round bar type safety cover according to another embodiment of the present invention.
10 is a detailed structural diagram of an assembly cover body in another embodiment of the present invention.
11 is a partial cross-sectional view of an assembly cover body according to another embodiment of the present invention.
12 is a cross-sectional view of the assembly cover body in another embodiment of the present invention.
13 is a detailed cross-sectional view of a round bar in another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely describe the present invention to those with average knowledge in the industry.

Accordingly, the shape of the constituent elements expressed in the drawings may be exaggerated to emphasize a more clear description. It should be noted that in each drawing, the same configuration may be indicated by the same reference numeral. In addition, detailed descriptions of functions and configurations of known technologies that are determined to unnecessarily obscure the subject matter of the present invention may be omitted.

First, a configuration of a safety cover for a cooling tower blower according to an embodiment of the present invention will be described with reference to FIGS. 1 to 8.

In this embodiment, the safety cover 200 is configured on the top of the cooling tower housing 100 in which a blower (not shown) is installed, and the safety cover 200 includes a wire mesh 212 and a cover frame 211 A plurality of assembly cover bodies 210 supported by) are divided in a radial direction to form an assembly-type structure in which mutual bolts are fastened, and a cover is mounted on the upper end of the cooling tower housing 100 on which the assembly cover body 210 is seated. The unit 110 is provided.

In addition, the safety cover 200 is composed of a central circular stand 220 forming a circular shape in the center, the central circular stand 220 is assembled by the cover frame 211 of the cover body 210 and bolted The combination is made, and the central circular frame 220 is preferably composed of a frame frame 221 and a wire mesh (222). This central circular stand 220 is applied when the safety cover 200 is a large size, and in the case of a small size, only the assembly cover body 210 may be used.

At this time, the central circular stand 220 is installed in a horizontal state, and the assembly cover body 210 has a certain angle of inclination that gradually downwards toward the outside with respect to the central circular stand 220 to improve support. Installation is made.

The effect of the installation of the safety cover of the cooling tower of the present invention constituting such a configuration will be described.

In this embodiment, the safety cover 200 moves each assembly cover body 210 and the central circular stand 220 forming a divided structure to the site, and then assembly and installation by fastening bolts at the site. do.

That is, as shown in FIG. 8, a plurality of assembly cover bodies 210 are mutually assembled in a radial direction.

Thereafter, by inserting the central circular stand 220 in the central portion and then tightening the bolts, the safety cover 200 in the completed form as shown in FIG. 3 is completed.

In addition, the assembled safety cover 200 is mounted on the cover mounting portion 110 of the cooling tower housing 100 and then fixed in position by bolts or welding to be installed.

When the safety cover 200 is installed in this way, the inflow of foreign substances into the cooling tower housing 100 is prevented, thereby preventing the occurrence of a blower fan failure.

In addition, it has the effect of preventing the occurrence of safety accidents caused by the fall of workers during the process of checking or repairing facilities.

On the other hand, FIGS. 9 to 11 show a configuration according to another embodiment of the present invention, and a round bar 213 structure is formed instead of a mesh shape in order to enhance durability and support.

That is, it can be seen that the assembly cover body 210 constitutes a configuration in which a plurality of round bars 213 are supported by the cover frame 211 at a predetermined interval.

At this time, each round bar 213 has a certain curvature shape to form a concentric circle shape as a whole, and a central circular stand 220 is assembled at the center as in the above embodiment.

When this configuration is achieved, the overall durability of the safety cover 200 can be strengthened due to the round bar 213 having a certain diameter, thereby preventing damage to the cover and stably supporting the worker's load.

In addition, Figures 12 and 13 show another embodiment of the present invention, the assembly cover body 210 has a wire mesh 212 for supporting the round bar 213 is configured at the bottom, the inside of the round bar 213 A buffer spring 214 for a buffer function is configured in a vertical direction, and a heat-resistant filler 215 for improving heat resistance is filled and provided.

At this time, the heat-resistant filler 215 is made of a mixture of urethane resin, glass fiber, and silicone.

In addition, a protective coating layer 213a for preventing surface damage from external impact is coated on the outer surface of the round bar 213, and the protective coating layer 213a is a silicone resin for improving elasticity, a urea resin for adhesive function, and dimethylphenol. , Titanium dioxide, and cobalt oxide are mixed, and it is preferable that magnesium carbonate and zircon oxide are additionally mixed in order to improve functionality.

That is, at this time, 20 to 40% by weight of silicone resin, 10 to 30% by weight of urea resin, 10 to 20% by weight of dimethylphenol, 1 to 10% by weight of titanium dioxide, 1 to 10% by weight of cobalt oxide, 1 to 10% by weight of magnesium carbonate %, zircon oxide is mixed in a ratio of 1 to 5% by weight.

When this configuration is achieved, the wire mesh 212 supports the round bar 213 so that a more stable load support is achieved and the inflow of foreign substances such as fallen leaves can be prevented.

In addition, the inside of the round bar 213 is provided with a buffer spring 214 and a heat-resistant filler 215 so that external shock can be absorbed and the heat resistance function is strengthened to prevent the occurrence of deformation or damage of the round bar 213 Represents.

In particular, since the heat-resistant filler 215 is mixed with urethane resin, glass fiber, and silicone in the same ratio, the heat resistance is enhanced and the elastic support of the buffer spring 214 can be increased.

In addition, the protective coating layer 213a formed on the outer surface of the round bar 213 can strengthen the bonding force by the urea resin, dimethylphenol prevents the curing phenomenon of the silicone resin, and titanium dioxide and cobalt oxide are each of the coating layers. It performs the function of improving durability and fire resistance.

In addition, by adding magnesium carbonate, the coating layer can achieve a uniform thin film thickness as a whole, and zircon oxide functions to prevent discoloration due to oxidation of the coating layer.

And although a specific embodiment of the present invention has been described and illustrated above, it is obvious that the cooling tower safety cover structure of the present invention can be variously modified and implemented by those skilled in the art.

For example, in the above embodiment, it has been described and illustrated that the assembly cover body is coupled by a fastening bolt, but if necessary, the fastening may be performed by various methods such as welding.

Therefore, such modified embodiments should not be individually understood from the technical spirit or scope of the present invention, and such modified embodiments should be included within the appended claims of the present invention.

100: cooling tower housing 110: cover mounting portion
200: safety cover 210: assembly cover body
211: cover frame 212: wire mesh
213: round bar 220: central circular stand
221: mount frame 222: wire mesh

Claims (8)

delete In the safety cover 200 configured on the top of the cooling tower housing 100 in which a blower is installed,
The safety cover 200 is an assembly type structure in which a plurality of round bars 213 forming a certain curvature shape are supported by a cover frame 211 and a plurality of assembly cover bodies 210 are divided in a radial direction so that mutual bolts are fastened. To achieve;
The cooling tower housing 100 is provided with a cover seating portion 110 on which the cover frame 210 is seated,
The assembly cover body 210 has a wire mesh 212 for supporting the round bar 213 is configured at the bottom,
Inside the round bar 213, a buffer spring 214 for a buffering function is configured in a vertical direction, and a heat-resistant filler 215 for improving heat resistance is provided, and the heat-resistant filler 215 is urethane resin, glass fiber, A safety cover for a cooling tower blower, characterized in that it is made of a silicone mixture, and a protective coating layer 213a forming a mixture composition of silicone resin, urea resin, dimethylphenol, titanium dioxide, and cobalt oxide is coated on the outer surface of the round bar 213 . The method according to claim 2,
The safety cover 200 has a central circular stand 220 forming a circular shape in the center, and the central circular stand 220 is coupled to the cover frame 211 of the assembly cover body 210 by bolting This is made, and the central circular frame 220 is a safety cover for a cooling tower blower, characterized in that consisting of a frame frame 221 and a wire mesh 222. The method of claim 3,
The central circular stand 220 is installed in a horizontal state, and the assembly cover body 210 is installed by forming an inclined shape at a certain angle gradually downward from the central circular stand 220 toward the outside. Safety cover for cooling tower blowers. delete delete The method according to claim 2,
A safety cover for a cooling tower blower, characterized in that magnesium carbonate and zircon oxide components are additionally mixed in the protective coating layer 213a. In the construction of the safety cover of any one of claims 2 to 4 and 7 on the upper part of the cooling tower housing, the assembly cover body consisting of a plurality of divided structures is bolted to each other to mount the cover on the upper part of the cooling tower housing. A safety cover construction method for a cooling tower blower, characterized in that.

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