JPH0631337Y2 - Countercurrent cooling tower - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a countercurrent cooling tower, and more particularly to an outside air intake structure thereof.

<Prior Art> A vertical louver unit for preventing water scattering surrounding an outside air intake of a cooling tower of this type is described in Japanese Utility Model Publication No. 52-95159 and Japanese Utility Model Publication No. 62,5593. In the former one of these publications, both ends of a supporting rod which penetrates a large number of vertical louver plates for preventing water splashing of V-shaped cross section having a spacer formed in an engaging groove of a receiver projecting on an inner surface of a column are attached and detached. Although it can be supported, its engagement area is small, its engagement force becomes insufficient, and both ends of the supporting rod vibrate in the support of the strut,
In the worst case, there is a possibility that the support may come off the support rod.

In the latter case, both ends of the supporting rod penetrating a large number of vertical louver plates are supported by louver support plates, and the support plates are usually fixed to both side surfaces of the column by screwing long bolts and wing nuts. With such fixing means, it is difficult to remove the vertical louver unit from the cooling tower main body, and it is difficult to clean the lower water tank, maintain the ultraviolet sterilizer, and replenish the antifreeze liquid.

<Problems to be Solved> The present invention solves the above-mentioned problems of the prior art all at once with a mounting bracket of a specific shape, eliminates the possibility that the vertical louver unit may fall off from the column due to vibration, and It is an object of the present invention to provide a countercurrent type cooling tower in which mounting and removal of the vertical louver unit is simplified.

<Means for Solving Problems> In this invention, the outer periphery of the cooling tower main body is supported by several columns, a water tank is arranged below the main body, and the outside air intake between the lower part of the main body and the water tank is In a countercurrent cooling tower, which is surrounded by vertical louver units for preventing water splashing, and louver support plates provided at both ends of each louver unit are detachably attached to the side surface of the column by detachable means, the detachable means is , Made up of a nearly flat metal mounting bracket, which is made of elastic steel strip, and the inwardly bent ends of this mounting bracket are provided at the same height on both sides of the column. It can be inserted and removed freely through the small holes and the small holes provided on the louver support plate, and the louver support side of the adjacent louver unit is held in contact with the side surface of the column by this mounting bracket. A countercurrent cooling tower, characterized in that the parallel sides of the mounting bracket is formed ho Isuzu at right angles to said end portion.

<Operation of Device> The operation of the cooling tower having the above-described configuration is as follows.

When installing the water splattering vertical louver unit between the columns, with the small holes on the side face of one column aligned with the small holes on the louver support plate of the louver unit, widen both ends of the mounting bracket. , Straddle the mounting bracket from the outside of the strut, insert these ends into the aligned small holes, restore the mounting bracket to its original shape by its own spring pack force, and bring the inner ends close to each other, The louver support plate of the vertical louver unit is contacted and positioned with respect to the side surface, and the louver support plate of the vertical louver unit is inseparably retained on the column, and the vertical louver units are individually arranged between adjacent columns. To use.

The heat exchange action in this cooling tower is similar to the conventional countercurrent type, with the air flow sucked into the cooling tower body from the outside air intake,
Countercurrent contact with cooling water sprinkled on the heat exchanger,
The cooling water is cooled by the latent heat effect. After that, the cooling water drops into the water tank below the heat exchanger, and the water drops in the dropping tend to fly out from the outside air intake, but they come into contact with and are captured by the vertical louver surface in the vertical louver unit.

When inspecting and cleaning the water tank, push the mounting bracket against the springback force to disengage its inner end from the support and the louver support plate, and then contact the louver support plate with the side of the support. Release the holding force and remove the column and vertical louver unit. As a result, the upper surface of the water tank is opened to the outside, and the inside of the lower water tank is inspected and cleaned, and sterilizing agents, antifreeze, etc. are replenished, and the equipment such as the ultraviolet sterilizer that is submerged in the lower water tank is checked and cleaned. Also do.

<Effects of the Invention> The effects of the invention configured and acting as described above are as follows.

The mounting bracket should be flat Since the elastic band steel material is bent in an open loop and molded, it can be attached and detached using the spring back force of this mounting bracket, so it is possible to detachably attach the support plate of the louver unit to the column. Therefore, the vertical louver unit can be easily mounted between the cooling tower struts, and the fitting does not accidentally come off due to wind pressure at the time of fitting the fitting made of elastic steel strip.

In addition, the mounting bracket can be pushed out against the springback force, and the distance between the inner ends of the mounting bracket can be expanded to release the holding force of the mounting bracket, and the louver unit can be removed from the column. It is possible to easily remove the louver unit from the intake port, easily repair, inspect, and clean the water tank and equipment such as an ultraviolet sterilizer submerged in the water tank, and also replace and clean the louver group.

<Example> Next, a typical example of the present invention will be described.

In FIG. 1, A is a countercurrent cooling tower, and 10 is its main body. The outer periphery of the main body 10 is supported by four pillars 11, and a water tank 12 is provided below the main body 10 to drop it. The outside air intake between the lower part of the main body 10 and the water tank 12 is surrounded by a vertical louver unit B for preventing water scattering. The louver support plates 13 provided at both ends of each louver unit B are attached to and detached from the side surface of the column 11 by the attaching / detaching means C.

The attaching / detaching means C is a substantially flat surface. It consists of a V-shaped metal mounting bracket 14
Is formed of a strip steel material having elasticity, and has a plane pentagonal shape in the one shown in FIG. Each end 15 of the inwardly bent inner side 19 of the mounting bracket 14
Can be inserted and removed through small holes 16 provided at the same height on both side faces of the column 11 and small holes 17 provided in the louver support plate 13, and the louver support plate 13 of the adjacent louver unit B is attached by this mounting bracket 14. Is held in contact with the side surface of the column 11, and the side 18 of the mounting member 14 parallel to the side surface is formed at a right angle to the end portion 15. Furthermore, the width of each end 15 is narrowed,
A step 20 is formed between the inwardly facing inner side 19 and the end portion 15, and the step 20 functions as a stopper.

The operation of the cooling tower of the embodiment having the above structure is as follows.

When the vertical louver unit B for preventing water splash is mounted between the columns 11, the small holes 16 on the side faces of one column 11 are inserted into the small holes 17 of the louver support plate 13 of the louver unit B.
In the state where they are aligned, the both ends 15 of the mounting bracket 14 are greatly expanded, and the mounting bracket 14 is straddled from the outside of the column 11,
These end portions 15 are inserted into the small holes 16 and 17, the mounting metal fitting 14 is restored to its original shape by its springback force and made horizontal, and the end portions 15 are brought close to each other to form the column 1.
The louver support plate 13 of the louver unit B is abutted and positioned on the side surface of the first louver unit B, and the louver support plate 13 of the vertical louver unit B is locked to the column 11 so as not to be separated, and the adjacent column 11 The louver units B for one unit are arranged and used between them. At this time, the stepped portion 20 provided at the end portion 15 abuts the side surface of the louver support plate 13 and is deeper than this so that the inner side 19 is the small hole 16,
The louver support plate 13 is pressed against the side surface of the column 11 while being prevented from being inserted into the column 17 (third
(See FIG. 4).

The heat exchange action in this cooling tower A is similar to the conventional countercurrent type, and the air flow sucked from the outside air intake into the cooling tower main body,
The cooling water sprinkled on the heat exchanger D makes countercurrent contact with each other and is cooled by the latent heat effect. After this, cooling water drops into the water tank 12 below the heat exchanger, and the water drops during this drop tend to fly out from the outside air intake, but hit the surface of the plurality of vertical louvers B ₁ in the louver unit B. Will be captured.

For inspection and cleaning of the water tank, this mounting bracket 14
And spread it against the springback force,
The column 11 and the louver support plate 13 are disengaged from each other, the holding force of the louver support plate 13 contacting the side face of the column 11 is released, and the column 11 and the louver unit B are removed. As a result, the upper surface of the water tank 12 is opened to the outside,
The inside of the lower water tank 12 is inspected and cleaned, and a sterilizing agent, an antifreezing liquid and the like are replenished, and equipment such as an ultraviolet sterilizer disposed in the lower water tank 12 is also inspected and cleaned.

(Effects peculiar to the embodiment) In the mode in which the step portion 20 is provided on the end portion 15, the step 20 abuts on the side surface of the louver support plate 13 and the inner side 19 further intrudes into the small holes 16 and 17. It is possible to prevent the louver support plate 13 from being pressed against the side surface of the column 11, and to prevent the vertical louver B ₁ from vibrating due to a strong wind.

[Brief description of drawings]

FIG. 1 relates to the present invention. FIG. 1 is a schematic view of a main part of a countercurrent type cooling tower showing an embodiment of the present invention, FIG. 2 is a perspective view of its fitting, and FIG. FIG. 4 and a cross-sectional view showing a use state are partially omitted side views. Description of main symbols in the figure 14 ... Mounting bracket.

Claims (1)

[Scope of utility model registration request] 1. An outer periphery of a cooling tower main body is supported by several columns, a water tank is arranged below the main body, and an outside air intake port between the lower portion of the main body and the water tank is surrounded by a vertical louver unit for preventing water splashing. In the countercurrent cooling tower, the louver support plates provided at both ends of each louver unit are removably attached to the side surface of the column by the attaching / detaching means, and the attaching / detaching means is a substantially flat surface. It consists of a V-shaped metal mounting bracket, which is made of elastic steel strip, and the inwardly bent ends of this mounting bracket are small holes and louvers provided at the same height on both sides of the column. It can be inserted and removed freely through a small hole provided in the support plate, and the louver support plate of the adjacent louver unit is brought into contact with and held by the side surface of the column by this mounting bracket, and the side of the mounting bracket parallel to this side surface is at the end. A countercurrent type cooling tower, which is characterized by being formed almost at a right angle.