KR100328738B1 - Cooling tower with casing connected by clamp - Google Patents

Abstract

The present invention relates to a cooling tower having a casing body having a roof plate and a heat exchange space therein, wherein the bite plan is formed to be joined to each other along a straight connection line to form the casing body, and bent to extend from each other to face each other. And a clamp having a plurality of plate-like casing portions having branches, and a C-shaped cross-sectional shape interconnecting a pair of adjacent casing portions having a bleeding accommodating portion respectively accommodating the bleed flange portions. As a result, it is possible to enhance the airtight effect and to simplify the manufacture and simple assembly of the cooling tower casing.

Description

Cooling tower with casing connected by clamp}

The present invention relates to a cooling tower, and more particularly, to a cooling tower having a clamp assembly casing having a structure for fastening and assembling a casing with a clamp having a C-shaped cross section through a sealing material between flange portions of the cooling tower casing. .

Cooling tower is a device that directly contacts air with water to form a cooling film, and cools water by latent heat of evaporation generated in this process and discharges waste heat to the atmosphere together with exhaust air. The cooled cooling water is recycled back to the heat exchanger to recover waste heat. And cooling is performed continuously. Therefore, a casing which forms a heat exchange space is essentially configured, and the casing needs to be properly coupled to maintain airtightness.

Figure 6 is a cross-sectional view of the conventional casing bolt fastening, as shown in the conventional cooling tower casing assembly, since the casing of the cooling tower is generally a steel sheet or synthetic resin plate material is joined by the method of welding or riveting (Riveting) material In general, the casing flange portion 133 is fastened and assembled with the bolt 127 through the sealing member 109 between the flange portions 133 formed at the end of the casing 107. (107) The fastening bolt 127 is usually coated with a corrosion resistant coating or a stainless bolt is usually used.

By the way, in the conventional cooling tower casing assembly, the bolt coated with a corrosion resistance has a short corrosion resistance life, stainless steel bolts are corrosion-resistant, but when the bolt is tightened once again, the wear of the screw is worn, improper reuse, bolt compression force Since a large number of holes must be formed in the casing flange at effective intervals of, the manufacturing process is complicated and a lot of air is required for fastening a plurality of bolts. In the part where the compression force between the bolt and the bolt is weak, airtightness is followed.

Accordingly, it is an object of the present invention to provide a cooling tower capable of tightening and assembling a cooling tower casing with a compression clamp to enhance the airtight effect and to simplify the manufacture and simple assembly of the cooling tower casing.

1 is a partially broken perspective view of a rectangular cooling tower according to the present invention;

2 is an exploded perspective view of the casing;

Figure 3 is a casing unit member clamp fastening perspective view,

4 is a perspective view of clamping of the casing edge;

5 is a cross-sectional view of the clamp,

6 is a cross-sectional view of a conventional casing bolt fastening.

* Explanation of symbols for the main parts of the drawings

1: casing 7: casing body

9: sealing material 10: ceiling

12 roof plate 14 fan cylinder

20: clamp 21: bite receiving portion

25: Clamp insertion tool 33,33 ', 33a: flange

38,38 ': Butt bend 40: Support pillar

46: air inlet 47: louver

50: filler 53: water spray

58: shatterproof plate 60: water tank

According to the present invention, in the cooling tower having a casing body with a roof plate to form a heat exchange space therein, butted together to form a casing body by mutually buttling along a linear connecting line, and extends from the connecting line to face each other And a clamp having a C-shaped cross-sectional shape interconnecting a pair of adjacent casing portions with a plurality of plate accommodating portions accommodating the bleed flange portions, the plurality of plate-like casing portions each having a bent flange portion bent so as to be bent. Achieved by a cooling tower.

Here, the casing portion is composed of a plurality of casing unit members which are connected to each other, the side portion of the unit member is formed with a butt bending bent at a substantially perpendicular to the plate surface, the bite flange portion from the bent portion to the plate surface of the casing portion It is formed side by side. A pair of casing portions coupled to each other is disposed substantially perpendicular to each other, and the bite flange portion of one casing portion is advantageously formed to be bent at a right angle to the plate surface. On the other hand, it is effective that the sealing material is interposed between the bent portions facing each other for hermetic holding.

The clamp receiving portion of the clamp is composed of an opening having a central opening and a slim groove communicating with both sides of the opening to accommodate the flange portion, and at least one clamp insertion tool hole penetrates the plate surface of the clamp. It is advantageous for fastening.

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

1 is a partially broken perspective view of a cooling tower according to the present invention. As shown in the drawing, a cooling tower having a clamp assembly casing according to the present invention includes a casing 1 configured to form a heat exchange space, a support pillar 40 supporting the casing 1, and air inflow of air. A portion 46, a filler 50 in a heat exchange space in which the coolant is cooled, a sprinkling portion 53 for sprinkling the high temperature cooling water to be cooled in the upper portion of the filler 50, and a sprinkling portion 53, which are disposed above the fine portion. An anti-scattering plate 58 which prevents water droplets from scattering and recovers into the cooling tower, and a collecting tank 60 disposed below the filler 50 to receive low-temperature cooling water and having a cooling water outlet.

The support column 40 is divided into an upper support column 42 and a lower support column 44 with the collection tank 60 therebetween. An iron plate (not shown) for fastening bolts is mounted at the lower end of the upper support pillar 42 and the upper support pillar 44 so that the upper support pillar 42 and the lower portion are disposed with the gasket (not shown) and the bottom of the sump tank 60 interposed therebetween. The support column 44 is bolted and coupled in a straight line. Thus, the overall support load can be transferred to the foundation floor.

The air inlet 46 is provided with a front and back removable louver 47 having a plurality of air induction plate inclined downward. In order to support the louver 47, 'U' shaped louver support rails 48 and 49 are mounted horizontally to the lower end of the casing 7 into which air is introduced and the side wall in the sump 60. The louver 47 is a structure that can be attached and detached from the front. When attaching, the upper portion of the louver 47 is lifted into the upper support rail 48 and then lowered to the lower support rail 49 when the attachment is made. Raise (47) and pull it forward. In addition, the louver 47 is configured in units of frames so that the worker can be detachably detached by himself.

The sprinkling part 53 has a dispensing main pipe 54 arranged horizontally to the upper side of the cooling tower through one side of the cooling tower so as to evenly distribute the high temperature cooling water to the filler 50, and the distribution branch pipe 55 is the filler 50. It is connected to the dispensing main pipe 54 at the upper end, the distribution branch pipe 55 has a structure in which a plurality of spray nozzles 56 are installed. The filler 50 for guiding the downward flow of the cooling water and the upward flow of the air is disposed at the lower portion of the sprinkling portion 53, and the collecting tank 60 is disposed at the lower portion of the filler 50 to collect the low temperature cooling water.

2 is an exploded perspective view of the casing, and as shown in FIGS. 1 and 2, the casing 1 has a casing body 7 forming a side surface of the indoor space and a ceiling portion 10 of the upper portion of the indoor space. The casing body 7 is connected to a plurality of casing unit members 3 in the form of a plate to form a casing portion 5 and the casing portions 5 adjacent to each other are assembled to form the casing body 7. That is, the casing main body 7 has the casing part 5 of four surfaces. The ceiling 10 is composed of a fan cylinder 14 forming a roof plate 12 and an air outlet 15 for sealing a part of the upper portion of the interior space.

3 is a perspective view of the clamping casing unit member clamp, Figure 4 is a perspective view of the clamp fastening of the casing edge. As shown in Fig. 2 to 4, the casing portion 5 is composed of a plurality of plate-like casing unit member 3 which is butt-joint with each other along a circumference of a straight line, that is, the casing body (7). Butt bending portions 38, which are bent from the plate surface, are formed on both sides of each casing unit member 3, and a bite flange portion 33 parallel to the plate surface of the casing unit member 3 is formed at the front end of the bent portion 38. As shown in FIG. Is formed. Between the bent portion 38 and the bent portion 38 of the other unit member 3 adjacent to each other, a sealing material 9 (see enlarged view 'A' and FIG. 3 of FIG. 2) for airtightness is interposed. The upper side of the casing unit member 3 also has a bent portion 38 'that is bent from the plate surface, and at the end of the bent portion 38' a bite flange portion 33 'parallel to the plate surface of the casing unit member 3 is formed. ) Is formed. The bleed flange portion 33 'is held together by the clamp 20 together with the flange portion 37 formed on the roof plate 12 (see enlarged view' B 'in FIG. 2). Meanwhile, of the casing unit members 3, the plate surfaces of the unit members 3a that are in contact with each other at the corners are perpendicular to the plate surfaces of the unit members 3a so as to correspond to the flange portions 33 formed on the unit members 3. A flange portion 33a is formed. In this way, the flange portion 33 and the flange portion 33a can be easily kept in contact with each other by using the clamp 20 (see enlarged view 'C' and FIG. 4 of FIG. 2).

The roof plate 12 is assembled with the fan cylinder 14 through bolting of the flange of the fan cylinder 14. As described above, the roof plate 12 is formed with a flange portion 37 that is bent from the plate surface of the roof plate 12 and engaged with the clamping flange portion 33 'formed on the unit member 3 and the clamp 20. It is. The bite flange portion 37 of the roof plate 12 is bent at a substantially right angle, and the flange portion 37 of the roof plate 12 and the upper side flange portion 33 'and the bent portion of the unit member 3 are formed. The sealing material 9 is also interposed between 38 '. Here, of course, the shape of 'B' enlarged in FIG. 2 may be reversed.

5 is a cross-sectional view of the clamp. As shown, the clamp 20 forms a slip groove 22 for insertion of the bite flange portions 33, 33 'that are bent almost parallel to the plate surface of the casing portion 5, and the butt bending portion ( 38) It has a bleeding accommodating part 21 which consists of the crimping | compression opening 23 which has a crimp space | interval which considered thickness and the airtight crimping sealing material 9 thickness. The clamp 20 is preferably manufactured by extruding steel or stainless steel resistant to deformation. The edge of the crimping opening 23 is preferably manufactured so as not to be deformed well. For this reason, the insertion of the flange part 33 with the sealing material 9 therebetween is spaced between the crimping openings 23. (C) may be difficult to insert, so clamps (20) are formed at the upper and lower ends of the clamp (20) to form openings (23) at both ends of the clamp (20) for easy insertion into the flange portions (33, 33 '). 20) It is preferable that the induction inclination (24, see dashed line in Fig. 5) in which the crimping opening 23 is extended is formed by forming both edges in a 'V' shape. In addition, in order to forcibly insert the clamp 20 into the flange portions 33 and 33 ', it may be a general inserting method to hit the end of the clamp 20 with a hammer, but using the force of the hitting clamp 20 ) And the main body, the clamp insertion tool hole 25 is formed at an appropriate interval in the center of the vertical direction of the clamp 20 to facilitate the forced insertion. That is, by inserting a tool such as a screwdriver into the clamp insertion tool hole 25 so that the clamp 20 can be pushed or pulled.

On the other hand, in the present embodiment, since the clamp 20 may cause a squeezing action in proportion to the squeezing length, a plurality of clamps 20 capable of maintaining the squeezing force of the clamp 20 without using a single clamp to reduce such squeezing action. The clamp 20 which consists of two length units is used. That is, the casing body 7 is assembled by inserting a plurality of clamps 20 in units of crimping and holding limit lengths.

By this configuration, the high temperature cooling water flows into the spraying part 53 and is sprayed into the filler 50, and the cooling water sprayed into the filler 50 is cooled through heat exchange with air while passing through the filler 50, The cooled low temperature coolant is collected in the sump 60 under the filler 50, and then supplied to the heat exchanger through the coolant outlet and the heated coolant is recycled to the cooling tower.

On the other hand, the external air that comes into direct contact with the cooling water flows into the air inlet 46 of the lower side of the casing 7 by the ventilation action of the ventilation fan installed above the cooling tower, and flows upward to the filler 50 while the water is sprayed. In contact with the downflowing cooling water by 53, the heat exchange is performed and then discharged to the outside of the cooling tower. In this case, in order to prevent the fine droplets from scattering through the ventilation air, a scattering prevention plate 58 is installed under the ventilation fan of the cooling tower, and the scattering prevention plate 58 prevents the scattering of the fine droplets through the scattering prevention protrusion. To recover into the cooling tower.

As described above, by fastening them with the clamp 20 having a C-shaped cross-section through the sealing material 9 at an appropriate position of the casing unit member 3 to be connected to each other, not only to enhance the airtight effect of the fastening site, but also to assemble the assembly. Can improve the sex.

In the foregoing and embodiments, the bite flange portions of a pair of casing portions of each other are bent almost parallel to the plate surface of the casing from the butt bend and the other side is bent almost perpendicular to the casing plate surface or substantially parallel to the plate surface of the casing from the butt bend. Although the above is bent and the casing is assembled by the clamp, but the butt bent portion without forming the butt bent portion may be assembled by the clamp, or the bite flange portion may be formed in various shapes such as curved.

In addition, in the above-mentioned and the Example, although the clamp of extrusion fabrication manufacture was mentioned above, a clamp can also be manufactured by bending a board | plate material.

In the above-described embodiments, the cooling tower casing is clamped and assembled in the counterflow type open-angle cooling tower by compression clamp. It can be assembled by fastening.

In the foregoing and embodiments, the casing flange is formed outside the cooling tower and the clamping is performed outside the cooling tower. However, the casing flange may be formed inside the cooling tower so that the clamping may be performed inside the cooling tower.

As described above, according to the present invention, the cooling tower casing is fastened by a crimping clamp to enhance the airtight effect, and a cooling tower capable of simple production and simple assembly of the cooling tower casing is provided.

Claims (5)

In the cooling tower having a casing body to form a heat exchange space therein with a roof plate, A plurality of plate-shaped casing portions having a bite flange portion bent so as to be mutually butt-jointed along a straight connecting line to form the casing body, and to be extended to face each other from the connecting line; And a clamp having a C-shaped cross-sectional shape interconnecting a pair of adjacent casing portions, each having a bleed accommodating portion accommodating the bleed flange portions. The method of claim 1, The casing portion is composed of a plurality of casing unit members connected to each other, the side portion of the unit member is formed with a butt bending bent almost perpendicular to the plate surface, the bite flange portion parallel to the plate surface of the casing portion from the bent portion Cooling tower, characterized in that formed. The method of claim 1, A pair of casing portions coupled to each other is disposed substantially orthogonally, and a biting flange portion of one casing portion is bent at a substantially right angle to the plate surface. The method of claim 2, Cooling tower further comprises a sealing material interposed between the bent portion facing each other. The method of claim 1, The bite-receiving portion of the clamp is composed of an opening having a central opening and a slim groove communicating with both sides of the opening to accommodate the flange portion, and at least one clamp insertion tool hole penetrates the plate surface of the clamp. Cooling tower.