KR100406025B1 - Construction method for indoor icerink and pipe laying structure thereof - Google Patents

Abstract

The present invention relates to a construction method of the indoor ice field and its cooling piping structure, the purpose is to install a plurality of refrigerators with less vibration noise, to enable pre-check and repair after installation, after spraying fine sand at the bottom of the track By cooling the water to increase the heat transfer rate from the cooling tube to the water, it enables rapid cooling and absorbs bubbles.The location of the main cooling pipe is located outside the ice track, and then the cooling pipe branch is connected. The space and the space for maintaining the space between the cooling tube and the end of the cooling pipe branch provides an ice field construction method and cooling piping construction connecting the anchor for preventing shrinkage.

In the construction method of the indoor ice field, the present invention comprises the steps of: providing a track having a boundary surface for trapping water, laying fine sand on the lower surface of the track, and a refrigerant from a freezer around the outside of the track. Piping the main cooling pipe receiving the supply, and pipe pipes branched from the main cooling pipe branch according to the shape of the track on the sand installed inside the track, while stratified with a lot of water spray Characterized in that the construction method consisting of a cooling step and its piping structure.

Description

Construction method for indoor icerink and pipe laying structure

The present invention relates to an indoor ice field construction method and a cooling pipe structure thereof, and more particularly, to a method for providing a high quality ice quality and easy to maintain and a cooling pipe structure.

In recent years, many indoor stadiums have been entering for the winter sports, ice skating.

The indoor stadium as described above should maintain a high quality ice sheet so that the ice skating competition can be held at any time regardless of the season. A conventional method for making such ice sheets will be described with reference to FIGS. 7 to 9.

7 is a conceptual plan view showing a cooling pipe installed in a conventional ice stadium track, Figure 8 is a conceptual perspective view showing a cooling pipe installed in a conventional ice stadium track, Figure 9 is spraying water on the pipe of FIG. It is a schematic perspective view of the ice arena completed after cooling.

Conventional ice sheet construction method is as follows.

The main cooling pipe 2 is located in the track 1 of the ice field in a center bit manner, and a plurality of cooling pipe branch pipes 3 connected to both ends of the main cooling pipe are installed and piped according to the track shape.

When the piping of the cooling pipe is finished as above, water is sprayed into the track.

When water is sprayed, low-temperature refrigerant is supplied through a freezer (not shown) device connected to the main cooling pipe.

When the refrigerant is supplied to the cooling tube branch pipe through the main cooling tube, ice starts to freeze from the surface of the cooling tube and the contact point between the branch tube and the water, and when a predetermined time passes, the ice sheet 7 stadium is formed.

The refrigerator used in the refrigerant supply system is usually a reciprocating refrigerator.

The flow of the refrigerant in the cooling pipe branch pipe has a circulation structure.

In other words, after entering the cooling tube inlet from the main cooling tube, exchange with water, return to the main cooling tube through the cooling tube branch outlet, circulate the cooling system again, evaporate the heat absorbed from the freezer, and then return to perform the cooling operation. Done.

Problems of ice sheet made by the conventional construction method as described above are as follows.

1. There is a disadvantage that a lot of vibration noise occurs when a freezer (not shown) makes ice on a reciprocating type.

2, after installing the pipes on the track, simply cooling with water only generates bubbles in the ice and requires a lot of cooling time.

3. The main cooling pipe pipe is installed in the center bit method, and since the cooling pipe branch pipe is piped from the center to the corner of the stadium, post-maintenance of the main cooling pipe is difficult.

4. After the installation of the cooling pipe, the expansion and contraction of the pipe by ice occurs, it is difficult to maintain a constant interval of the cooling pipe, there is a disadvantage that can not make a homogeneous ice sheet if the pipe is out of a certain interval.

5. When installing the cooling pipes, the 'U' band 31 pipes in the outermost part may be deformed in the cooling pipes due to the subsequent shrinkage, so that an ice field having a smaller area than the track originally designed is created.

An object of the present invention for solving the above problems is to install a plurality of freezers so that the vibration noise is low, pre-check and repair after installation, and sprayed fine sand at the bottom of the track to cool the water to cool the water from the cooling pipe Increases the heat transfer rate up to to allow rapid cooling and to absorb air bubbles.Place the location of the main cooling pipe piping on the outside of the ice track and connect the cooling pipe branch pipes from it. It is to provide a space for maintaining the gap between the ice sheet stadium construction method and the cooling piping structure to prevent the shrinkage by connecting the shrinkage prevention anchor between the 'U' band end of the cooling pipe branch pipe and the track.

1 is a conceptual perspective view showing a cooling pipe installed in the ice field track of the present invention,

2 is a conceptual plan view showing a cooling pipe installed in the ice field track of the present invention,

3 is a conceptual plan view showing a cooling pipe installed on the sand laid under the ice track track of the present invention,

4 is a conceptual perspective view showing an anchor strip for fixing the cooling tube branch pipe 'U' band portion according to the present invention;

5 is a conceptual perspective view showing a space for preventing shrinkage of the cooling tube branch pipe according to the present invention;

6 is a conceptual embodiment showing an ice sheet completed according to the present invention;

7 is a conceptual plan view showing a cooling pipe installed in a conventional ice field track,

8 is a conceptual perspective view showing a cooling pipe installed in a conventional ice sheet track,

FIG. 9 is a schematic perspective view illustrating a completed ice sheet stadium by spraying and cooling water on the pipes of FIGS. 7 and 8.

<Description of Symbols for Main Parts of Drawings>

(1): track (2): main cooling tube

(3): cooling pipe branch pipe (4): anchor strip

(5): space (6): sand

(7): Ice sheet (31): 'U' band section

In the construction method of the indoor ice field to achieve the object as described above and to perform the problem for eliminating the conventional defects,

Providing a track having an interface to confine the water,

Laying fine sand on the underside of the track,

Piping a main cooling pipe supplied with refrigerant from the freezer to the outer periphery of the track;

Piping the cooling pipe branch pipe branched from the main cooling pipe according to the shape of the track on the sand installed inside the track;

Cooling is accomplished by stratifying water with a large number of sprinkles of water.

The method may further include installing a cooling tube space of the EVA having a low shrinkage expansion rate for adjusting the cooling tube spacing below the plurality of cooling tubes branched inside the track.

In addition, by fixing the anchor strip on the track surface and the step of fixing the 'U' band end of the cooling pipe branch pipe.

The refrigerator uses a screw-type refrigerator, but uses a plurality of compressors, uses a cooling tower as an evaporative cooling tower, forms a refrigerator system, uses air cooling in winter, and uses water cooling in summer.

Cooling piping structure of the indoor ice field of the present invention,

The track has a boundary where water can be trapped, and has fine sand on the lower surface, a main cooling pipe piped to receive refrigerant from the freezer around the outside of the track, and branches inside the track branched from the main cooling pipe. Cooling pipe branch pipes piped in the shape of tracks on sand, cooling pipe spaces with low shrinkage expansion rate for cooling pipe spacing, which are installed below the plurality of cooling pipes branched inside the tracks, and fixed to the track surface It features a cooling piping structure composed of anchor strips which are fixed by hanging on the 'U' band part.

Hereinafter, the configuration and the operation of the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual perspective view showing a cooling pipe installed in the ice field track of the present invention, Figure 2 shows a conceptual plan view showing a cooling pipe installed in the ice field track of the present invention, the configuration is the outer periphery of the track (1) The main cooling pipe 2 is provided with a refrigerant from the refrigerator (not shown), and the cooling pipe branch pipe 3 connected to a plurality of holes (not shown) formed in the main cooling pipe is located along the track shape. An anchor strip 4 is formed to connect and fix the cooling pipe branch pipe to the track, and spaces for maintaining a predetermined interval in the horizontal direction are maintained between the cooling pipe branch pipes installed inside the track. ) Is installed and configured.

The main cooling pipe has a circulation process of supplying the refrigerant to the cooler branch pipe after receiving the refrigerant from the freezer, circulating it again with the freezer, exchanging heat with water, and cooling the refrigerant whose temperature has risen again.

Each of the cooling pipe branch pipes has a circulating structure in which the end is bent into a 'U' band shape, after the refrigerant is supplied from the main cooling pipe, heat exchanges with water, and then returns to the main cooling pipe again.

The refrigerator for supplying the refrigerant supplied to the main cooling pipe of the present invention uses a low-noise screw-type refrigerator (not shown), and the number of screw compressors (not shown) is envisioned as three to stop the compressor at partial load to reduce the power ratio. It is configured to save and to maintain backup and spare function in case of compressor failure.

In addition, the cooling tower type used in the refrigerator system is installed as an evaporative cooling tower (no city), and is used as an air-cooling type without fear of freezing during the winter season when the ice field is operated 24 hours a day, 7 days a week, and has a good cooling efficiency during the summer season. Install in an evaporative type that can be used for water cooling.

3 is a conceptual plan view showing a cooling pipe installed on the sand laid under the track of the ice sheet track of the present invention, when cooling with pure water alone, bubbles are generated in the ice, so a high cooling time is required, and thus a high quality ice quality cannot be obtained. It is shown that after installing the fine sand (6) excellent in thermal conductivity and suction power of fine bubbles before installing the cooling pipe is installed thereon.

The hatched part is sand.

Figure 4 shows a conceptual perspective view showing an anchor strip for fixing the cooling tube branch pipe 'U' band portion 31 according to the present invention, between the U 'band portion formed on the end of the cooling tube branch pipe and the track surface; An anchor strip is provided for preventing longitudinal shrinkage of each cooling tube branch pipe.

The shape of the anchor strip is provided with an annular locking portion so that one side of the anchor strip is caught by a cooling tube having a circular cross section, and the other side is fixed by a conventional coupling method with the track.

5 is a conceptual perspective view showing a space for preventing the shrinkage of the cooling tube branch pipe according to the present invention, the cooling tube space of the EVA shrinkage expansion rate is installed between the plurality of horizontally arranged cooling pipe branch pipe (Shrinkage in the horizontal direction) It is possible to have a uniform cooling distribution when cooling the water in the track by preventing the disturbance of the gap due to.

The shape of the space is formed in the shape of a plurality of semi-circular upper portion, the cooling tube branch pipe is seated on each semicircle.

6 is a conceptual embodiment showing an ice sheet 7 completed according to the present invention, in which a main cooling tube installed outside the track edge and a plurality of cooling tube branch pipes connected thereto are shown.

Hereinafter is a preferred embodiment of the present invention.

(Example)

First, stop the work for the construction of the indoor ice field, and when the work is completed, the track is provided with a boundary that can trap water and install it.

After installing the track as described above to install a fine sand on the bottom surface of the track to ensure good heat exchange when cooling water.

When the above operation is completed, the main cooling pipe that receives the refrigerant from the refrigerator around the outside of the track pipe.

The cooling pipe branch pipe branched from the main cooling pipe is piped according to the shape of the track on the sand installed inside the track.

Connection of the branched cooling pipe branch pipe and the main cooling pipe uses a welding method, or other conventional coupling methods such as screwing.

In addition, by forming a tube protruding a predetermined length in the main cooling pipe, and inserting the cooling pipe branch pipe here, it is better to construct the sealing force by using the welding or screwing method as described above.

After completing the piping as described above and completing the circulation path so that the refrigerant from the freezer comes back, the water is cooled while stratified with a large number of sprays of water.

As the cooling continues as described above, the length of the cooling tube branch pipe ('U-van') and the distance between neighboring cooling tube branch pipes are shrunk or distracted, and this problem is prevented by using the anchor strip and the spacer of the present invention. do.

The refrigerator uses a screw-type refrigerator, but uses a plurality of compressors, uses a cooling tower as an evaporative cooling tower, forms a refrigerator system, uses air cooling in winter, and uses water cooling in summer.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Advantages of the present invention construction made as described above

1. The chiller uses a screw-type freezer, which has less vibration noise and 8% better cooling efficiency than the reciprocating type.Three screw compressors are designed to stop the compressor at partial load. And the ability to maintain spare parts functionality,

2. By using the evaporative cooling tower to form a refrigeration system in winter, there is no fear of freezing air-cooling type, and in summer, the water cooling type with good cooling efficiency can be used,

3, by installing the fine sand with excellent thermal conductivity and suction power of fine bubbles before the installation of the cooling pipe, and then install the cooling pipe pipe on it, the cooling speed is improved without the bubbles,

4. By making the main cooling pipe piping around the track and installing cooling pipe piping around the stadium,

5. In order to maintain a constant gap of the cooling pipe when installing the cooling pipe, the advantage of cooling evenly distributed by using the cooling pipe space of the EVA having a low shrinkage expansion rate,

6. When installing the cooling pipes, stainless steel anchor strips are installed at the corners and the periphery of the stadium to fix the U 'band of the cooling pipes to prevent gaps in the cooling pipes due to subsequent shrinkage. It has the advantage of being able to maintain an ice market.

7. Cooling There is an advantage that the ice quality is dense by stratified cooling with a large number of sprinkles during commissioning.

Claims (5)

In the construction method of the indoor ice field, Providing a track having an interface to confine the water, Laying fine sand on the underside of the track, Piping a main cooling pipe supplied with refrigerant from the freezer to the outer periphery of the track; Piping the cooling pipe branch pipe branched from the main cooling pipe according to the shape of the track on the sand installed inside the track; The construction method of the indoor ice field, characterized in that consisting of the step of cooling the water stratified with a lot of water spray. The method of claim 1, And after installing the fine sand on the lower surface of the track, installing the cooling tube space of the EVA having a low shrinkage expansion rate for adjusting the cooling tube spacing on the lower portion of the plurality of cooling tubes branched inside the track. Construction method of indoor ice field. The method of claim 1, And fixing the anchor strip on the track surface at the step of piping the cooling pipe branch pipe to fix the 'U' band part, which is an end of the cooling pipe branch pipe, to install. The method of claim 1, The freezer uses a screw-type freezer, using a plurality of compressors, using a cooling tower as an evaporative cooling tower, forming a freezer system for use in air-cooling in winter, and using water-cooling in summer. Construction method. In the cooling piping structure of the indoor ice field, The track has a boundary where water can be trapped, and has fine sand on the lower surface, a main cooling pipe piped to receive refrigerant from the freezer around the outside of the track, and branches inside the track branched from the main cooling pipe. Cooling pipe branch pipes piped in the shape of tracks on sand, cooling pipe spaces with low shrinkage expansion rate for cooling pipe spacing, which are installed below the plurality of cooling pipes branched inside the tracks, and fixed to the track surface The cooling piping structure of the indoor ice field, characterized by the cooling piping structure consisting of anchor strips which are fixed by the 'U' band part.