CN113137794A - Carbon dioxide ice making pipeline system for speed skating field - Google Patents
Carbon dioxide ice making pipeline system for speed skating field Download PDFInfo
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- CN113137794A CN113137794A CN202110560082.5A CN202110560082A CN113137794A CN 113137794 A CN113137794 A CN 113137794A CN 202110560082 A CN202110560082 A CN 202110560082A CN 113137794 A CN113137794 A CN 113137794A
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- air return
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 52
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000010963 304 stainless steel Substances 0.000 claims description 8
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000010622 cold drawing Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
- F25C3/02—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for ice rinks
Abstract
The invention discloses a carbon dioxide ice making pipeline system for an application speed skating site, which comprises: the system comprises a main liquid supply pipe, a main air return pipe, a left side liquid supply pipe, a left side air return pipe, a right side liquid supply pipe and a right side air return pipe, and four ice making pipeline subsystems, wherein each subsystem comprises a subsystem liquid supply main pipe, a subsystem air return main pipe, a liquid supply collecting pipe, an air return collecting pipe and an ice making branch pipe; when the ice-making pipeline system makes ice in an ice field, low-temperature carbon dioxide refrigerating liquid from an ice-making unit passes through the main liquid supply pipe, passes through the main liquid supply pipe and the main liquid supply pipe of the subsystem, is uniformly distributed into the branch ice-making pipes to exchange heat with an ice surface, absorbs the heat load of ice making, freezes water into ice to form a high-quality ice surface, evaporates and absorbs heat of the carbon dioxide liquid to form carbon dioxide gas, returns to the ice-making unit through the main air return pipe of the air return manifold, the main air return pipe of the subsystem and the main air return pipe, continuously cools the carbon dioxide gas into the refrigerating liquid, and circularly and repeatedly flows in the ice-making pipeline system.
Description
Technical Field
The invention relates to the field of carbon dioxide artificial ice making, in particular to a carbon dioxide ice making pipeline system applied to a 400-meter speed skating site.
Background
With the success of Beijing Shenao in 2015, the construction of ice and snow stadiums in China enters a rapid development period. Particularly, various ice sports events are held more and more, and the quality of the ice surface in the sports events greatly influences the competition results of athletes.
The competition of sports on ice is divided into several sports such as ice hockey, curling, short-track quick skating, pattern skating, 400 m speed skating, etc., wherein the area of ice surface capable of holding three sports such as ice hockey, short-track quick skating and pattern skating is about 1800 square meters, the area of ice surface of a single curling field is about 228.6 square meters, and the area of ice surface of 400 m speed skating is about 5600 square meters.
In the prior art of ice making, ethylene glycol is usually used as an ice making medium, and ice making heat load is absorbed by circulating flow in an ice making pipeline, but the ice making mode generally has the problems of poor ice surface temperature uniformity, strong ethylene glycol corrosivity, high energy consumption and the like, and particularly when the ice making mode is applied to a 400-meter speed skating field, the ice surface effect is poor, and competition requirements are difficult to achieve.
Carbon dioxide is a natural working medium, is used as an ice making medium, has good environmental protection property, and has the advantages of high heat exchange efficiency, low viscosity, wide sources, low price and the like, but has the problems of high pressure bearing of an ice making pipeline, difficult uniform liquid separation, large workload of pipeline welding construction and the like.
Therefore, in view of the above, there is a need to develop a new carbon dioxide ice making pipeline system to solve the deficiencies of the prior art.
Disclosure of Invention
According to the technical problem provided by the invention, the carbon dioxide ice making pipeline system applied to the speed skating site is provided. The system mainly comprises a plurality of ice making pipeline subsystems, so that uniform liquid supply is realized, the ice surface temperature uniformity is improved, the ice surface quality is improved, and the operation cost and the welding construction workload of the ice making system are reduced. The technical means adopted by the invention are as follows:
a carbon dioxide ice making pipe system for use in a speed skating venue comprising: the system comprises a main liquid supply pipe, a main air return pipe, a left side liquid supply pipe, a left side air return pipe, a right side liquid supply pipe, a right side air return pipe and four ice making pipeline subsystems.
The ice making pipeline subsystem comprises a subsystem liquid supply main pipe, a subsystem air return main pipe, a liquid supply collecting pipe, an air return collecting pipe and an ice making branch pipe. The liquid supply collecting pipe is connected with the liquid supply main pipe of the subsystem through a reducing tee joint, the air return collecting pipe is connected with the air return main pipe of the subsystem through a reducing tee joint, and the ice making branch pipe is connected with the liquid supply collecting pipe and the air return collecting pipe through a connecting bent pipe.
The liquid supply main pipe and the air return main pipe of the ice making pipeline subsystem are respectively connected with the left (right) side liquid supply pipe and the left (right) air return pipe through stop valves. The left side feed pipe is connected with the main feed pipe through the reducing tee joint with the right side feed pipe, and the left side muffler is connected with the main muffler through the reducing tee joint with the right side muffler.
The ice making branch pipes are fixedly installed in the ice surface structural layer concrete through a plurality of groups of ice making pipeline supports, and the installation direction of the ice making branch pipes is parallel to the runway.
The ice making pipeline support is formed by bending cold drawing steel into an M shape, the cold drawing steel is welded on the steel plate base, the steel bars are welded on the ice making pipeline support, and the multiple groups of ice making pipeline supports are fixedly connected together through binding of the steel bars.
The sub-system liquid supply main pipe, the sub-system air return main pipe, the liquid supply collecting pipe and the air return collecting pipe are arranged in an internal pipe ditch of the ice field through channel steel, pipe brackets and pipe clamps, and the direction of a pipeline is vertical to a runway.
The left side feed pipe, the right side feed pipe, the left side muffler, the right side muffler, total feed pipe and total muffler pass through channel-section steel, conduit saddle and pipe clamp and install in the outside trench of ice rink, and pipeline outside parcel insulation material and inoxidizing coating prevent cold volume loss and pipeline outer wall dewfall.
Furthermore, the carbon dioxide ice making pipeline system is divided into four ice making pipeline subsystems, each subsystem is responsible for about 1/4 ice surface refrigeration, and compared with the traditional ice making pipeline system, the carbon dioxide ice making pipeline system has the advantages that the length of an ice making branch pipe is greatly shortened, and the pipeline resistance loss is reduced.
Furthermore, in the carbon dioxide ice making pipeline system, each liquid supply main pipe of the subsystem is connected with four liquid supply headers through a reducing tee joint, low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the four liquid supply headers, each liquid supply header is connected with a plurality of groups of ice making branch pipes through a connecting bent pipe, and the low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the ice making branch pipes, so that the optimal liquid supply uniformity is realized.
Furthermore, the carbon dioxide ice making pipeline adopts low temperature resistant 304 stainless steel as the ice making pipeline, and meets the requirement of high pressure bearing of the carbon dioxide refrigerant.
Furthermore, the carbon dioxide ice making branch pipes adopt low-temperature-resistant 304 stainless steel coil pipes as the ice making branch pipes, and a single ice making branch pipe is a coil pipe which is prefabricated after leaving a factory, so that welding connection is not needed, leakage is avoided, and the welding construction workload is greatly reduced.
Furthermore, the carbon dioxide ice making pipeline system and the ice making branch pipes are connected with the liquid supply header and the air return header through 150-degree connecting bent pipes.
Compared with the prior art, the invention has the following advantages:
1. compared with the existing system in which the ice surface is only divided into two subsystems, the carbon dioxide ice making pipeline system applied to the ice skating site with the speed of 400 meters is divided into four ice making pipeline subsystems, so that the length of an ice making branch pipe is greatly shortened, the pipeline resistance loss is reduced, the power of a circulating pump is reduced, and the system operation cost is reduced.
2. The carbon dioxide ice-making pipeline system applied to the 400-meter speed skating site is characterized in that each subsystem liquid supply main pipe is connected with four liquid supply headers through a reducing tee joint, low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the four liquid supply headers, each liquid supply header is connected with a plurality of groups of ice-making branch pipes through a connecting bent pipe, and the low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the ice-making branch pipes, so that the best liquid supply uniformity is realized, the heat exchange efficiency of the carbon dioxide refrigerating liquid and an ice surface is improved, the best ice surface temperature uniformity is realized, the ice surface quality is improved, and the running cost of an ice-making system is reduced
3. Compared with the existing ice making system adopting plastic pipes or other metal pipes, the carbon dioxide ice making pipeline system applied to the 400-meter speed skating site adopts the low-temperature-resistant 304 stainless steel pipe as the ice making pipeline, and meets the requirement of high pressure bearing of the carbon dioxide refrigerant. Meanwhile, the low-temperature-resistant 304 stainless steel coil pipes are used as ice making branch pipes, and each ice making branch pipe is a coil pipe which is prefabricated after leaving a factory, so that welding connection is not needed, leakage is avoided, and the welding construction workload is greatly reduced.
Based on the reasons, the ice making machine can be widely popularized in the fields of ice making, snow making, refrigeration houses and the like, and is suitable for ice surfaces of any specification.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a plan view illustrating an ice making duct of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view of an ice making duct bracket.
Fig. 4 is a cross-sectional view taken along line B-B of fig. 1.
Fig. 5 is a cross-sectional view taken at C-C in fig. 1.
Fig. 6 is a cross-sectional view taken at D-D in fig. 1.
In the figure: 1. a total feed tube; 2. a main muffler; 3. a left side liquid supply tube; 4. a left air return pipe; 5. a right liquid return pipe; 6. a right muffler; 7. the subsystem liquid supply main pipe; 8. a subsystem air return main pipe; 9. a liquid supply header; 10. a return air manifold; 11. a stop valve; 12. an ice making branch pipe; 13. a reducing tee; 14. connecting a bent pipe; 15. an ice making pipe support; 16. cold-drawing steel; 17. a steel plate base; 18. reinforcing steel bars; 19. reinforcing mesh sheets; 20. channel steel; 21. a pipe bracket; 22. an ice field outer pipe trench; 23. an ice rink inner pipe ditch; 24. a thermal insulation material; 25. a protective layer; 26. a pipe clamp.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1 to 6, the present invention discloses a carbon dioxide ice making pipeline system for an application speed skating site, comprising: the system comprises a main liquid supply pipe, a main air return pipe, a left side liquid supply pipe, a left side air return pipe, a right side liquid supply pipe and a right side air return pipe, and four ice making pipeline subsystems, wherein each subsystem comprises a subsystem liquid supply main pipe, a subsystem air return main pipe, a liquid supply collecting pipe, an air return collecting pipe and an ice making branch pipe.
The ice making pipeline subsystem comprises a subsystem liquid supply main pipe 7, a subsystem air return main pipe 8, a liquid supply header 9, an air return header 10 and an ice making branch pipe 12. The liquid supply header 9 is connected with the subsystem liquid supply main pipe 7 through a reducing tee 13, the air return header 10 is connected with the subsystem air return main pipe 8 through the reducing tee 13, and the ice making branch pipe 12 is connected with the liquid supply header 9 and the air return header 10 through a connecting bent pipe 14.
The liquid supply main pipe 7 and the air return main pipe 8 of the ice making pipeline subsystem are respectively connected with the left and right liquid supply pipes 3 and 5 and the left (right) air return pipes 4 and 6 through stop valves 11. The left side feed pipe 3 is connected with the main feed pipe 1 through reducing tee bend 13 with right side feed pipe 5, left side muffler 4 is connected with main muffler 2 through reducing tee bend 13 with right side muffler 6.
The ice making branch pipes 12 are fixedly arranged in the ice surface structural layer concrete through a plurality of groups of ice making pipeline brackets 15, and the pipeline arrangement direction of the ice making branch pipes 12 is parallel to the runway.
The ice making pipeline support 15 is bent into an M shape by cold drawing steel 16 and welded on a steel plate base 17, reinforcing steel bars 18 are prefabricated and welded on the ice making pipeline support, and a plurality of groups of ice making pipeline supports 15 are bound, connected and fixed together through the reinforcing steel bars 18.
The sub-system liquid supply main pipe 7, the sub-system air return main pipe 8, the liquid supply header 9 and the air return header 10 are arranged in an inner pipe ditch 23 of the ice field through a channel steel 20, a pipe bracket 21 and a pipe clamp 26, and the arrangement direction of the pipes is vertical to the runway.
The left side feed pipe 3, the right side feed pipe 5, the left side muffler 4, the right side muffler 6, total feed pipe 1 and total muffler 2 pass through channel-section steel 20, conduit saddle 21 and pipe clamp 26 and install in the outer trench 22 of ice field, and the outside parcel insulation material 24 of pipeline and inoxidizing coating 25 prevent cold volume loss and pipeline outer wall dewfall.
Each sub-system liquid supply main pipe 7 is connected with four liquid supply headers 9 through a reducing tee 13, so that low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the four liquid supply headers, each liquid supply header 9 is connected with a plurality of groups of ice making branch pipes 12 through a connecting bent pipe 14, and the low-temperature carbon dioxide refrigerating liquid is uniformly distributed into the ice making branch pipes 12.
In the embodiment, the carbon dioxide ice making pipeline adopts low-temperature-resistant 304 stainless steel as the ice making pipeline, so that the requirement of high pressure bearing of a carbon dioxide refrigerant is met. The carbon dioxide ice making branch pipes adopt low-temperature-resistant 304 stainless steel coil pipes as the ice making branch pipes 12, and each ice making branch pipe 12 is a coil pipe which is prefabricated in a factory, so that welding connection is not needed, leakage is avoided, and the welding construction workload is greatly reduced. The ice making manifolds 12 are connected to the supply header 9 and the return header 10 by connecting elbows 14.
In this embodiment, the low-temperature carbon dioxide refrigeration liquid from the ice making unit passes through the main liquid supply pipe, the main liquid supply pipe and the main liquid supply pipe of the subsystem, and is uniformly distributed in the branch ice making pipe to exchange heat with the ice surface, so as to absorb the heat load of ice making, freeze water into ice, form a high-quality ice surface, evaporate and absorb heat in the carbon dioxide liquid, change the carbon dioxide liquid into carbon dioxide gas, then return the carbon dioxide gas into the ice making unit through the air return pipe, the main air return pipe of the subsystem and the main air return pipe, continue to cool the carbon dioxide gas into refrigeration liquid, and circularly and repeatedly flow in the ice making pipeline system.
Example 2
The embodiment is a carbon dioxide ice-making pipeline system of a 400-meter speed skating site in a certain competition venue, all ice-making pipelines adopt 304L seamless stainless steel pipes, the pipe diameter of a total liquid supply pipe 1 is D159mm, the pipe diameter of a total air return pipe 2 is D159mm, the pipe diameters of left (right) liquid supply pipes 3 and 5 are D108mm, the pipe diameters of left (right) air return pipes 4 and 6 are D108mm, the pipe diameter of a subsystem liquid supply main pipe 7 is D89mm, the pipe diameter of a subsystem air return main pipe 8 is D89mm, the pipe diameter of a liquid supply header 9 is D57mm, the pipe diameter of an air return header 10 is D57mm, the angle of a connecting elbow pipe 14 is 150 degrees, the pipe diameter of branch pipes 12 can be 16-25mm, and the distribution distance of the ice-making branch pipes 12 on the liquid supply header is 80-100 mm. The ice making branch pipe 12 adopts a coil pipe, and the length of a single pipe is 75-135 m.
The ice making branch pipes 12 are fixedly arranged in the ice surface structural layer concrete through a plurality of groups of ice making pipeline brackets 15, and the pipeline arrangement direction of the ice making branch pipes 12 is parallel to the runway.
The ice making pipeline support 15 is bent into an M shape by cold drawing steel 16 with the diameter phi of 5mm, welded on a steel plate base 17 with the length of 2000mm, the width of 85mm and the thickness of 1.2mm, a steel bar 18 with the diameter phi of 12mm is prefabricated and welded on the ice making pipeline support, and a plurality of groups of ice making pipeline supports 15 are bound, connected and fixed together through the steel bar 18 with the diameter phi of 12mm, and are transversely and longitudinally cross bound, and the space is 200 x 200 mm. The ice making branch pipes 12 are fixedly arranged in the branch pipe pipeline bracket 15, and double-layer reinforcing mesh sheets 19 with the diameter of phi 8mm are paved on the ice making branch pipes, and are crosswise bound, wherein the distance is 100 x 100 mm.
The subsystem liquid supply main pipe 7, the subsystem air return main pipe 8, the subsystem liquid supply header 9 and the air return header 10 are arranged in an inner pipe ditch 23 of the ice rink through 8-10# channel steel 20, a pipe bracket 21 and a pipe clamp 26, and the arrangement direction of the pipes is vertical to the runway.
The left side feed pipe 3, the right side feed pipe 5, the left side muffler 4, the right side muffler 6, the total feed pipe 1 and the total muffler 2 are installed in the outer trench 22 of the ice field through 8-10# channel steel 20, a pipe bracket 21 and a pipe clamp 26, and the outside of the pipeline is wrapped by a 50mm thick heat insulation material 24 and a 0.5mm thick protective layer 25, so that the cold loss and the dewing on the outer wall of the pipeline are prevented.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A carbon dioxide ice making pipe system for use in a speed skating venue comprising: the system comprises a main liquid supply pipe, a main air return pipe, a left side liquid supply pipe, a left side air return pipe, a right side liquid supply pipe, a right side air return pipe and a plurality of ice making pipeline subsystems;
the ice making pipeline subsystem is responsible for refrigerating the ice surface, and the layout of the ice making pipeline subsystem is divided into the whole ice surface of the skating site;
the ice making duct subsystem includes: a subsystem liquid supply main pipe (7), a subsystem air return main pipe (8), a liquid supply header (9), an air return header (10) and an ice making branch pipe (12);
the liquid supply header (9) is connected with a subsystem liquid supply main pipe (7) through a reducing tee joint (13), the air return header (10) is connected with a subsystem air return main pipe (8) through the reducing tee joint (13), and the ice making branch pipe (12) is connected with the liquid supply header (9) and the air return header (10) through a connecting bent pipe (14);
the subsystem liquid supply main pipe (7) and the subsystem gas return main pipe (8) are respectively connected with the left side liquid supply pipe (3), the right side liquid supply pipe (5), the left gas return pipe (4) and the right gas return pipe (6) through stop valves (11);
the left side liquid supply pipe (3) and the right side liquid supply pipe (5) are connected with the main liquid supply pipe (1) through a reducing tee joint (13), and the left side air return pipe (4) and the right side air return pipe (6) are connected with the main air return pipe (2) through the reducing tee joint (13);
the ice making branch pipes (12) are fixedly arranged in the ice surface structural layer, and the directions of the ice making branch pipes (12) are parallel to the runway;
the subsystem liquid supply main pipe (7), the subsystem air return main pipe (8), the liquid supply header (9) and the air return header (10) are arranged in an inner pipe ditch (23) of the ice rink, and the arrangement direction of pipelines is vertical to the runway;
the ice field water supply system is characterized in that the left side liquid supply pipe (3), the right side liquid supply pipe (5), the left side air return pipe (4), the right side air return pipe (6), the main liquid supply pipe (1) and the main air return pipe (2) are arranged in an outer pipe ditch (22) of an ice field.
2. The carbon dioxide ice making pipeline system applied to the speed skating site as claimed in claim 1,
the number of the ice making pipeline subsystems is at least four, when the number of the ice making pipeline subsystems is four, namely each ice making pipeline subsystem is responsible for about 1/4 ice surface refrigeration, and the connecting positions of main pipelines of the ice making pipeline subsystems are intensively arranged at the connecting positions of a straight runway and house types.
3. The carbon dioxide ice-making pipeline system applied to the speed skating site as claimed in claim 1, wherein each subsystem liquid supply main pipe (7) is connected with four liquid supply headers (9) through a reducing tee joint (13) to uniformly distribute low-temperature carbon dioxide refrigerating liquid into the four liquid supply headers, each liquid supply header (9) is connected with a plurality of groups of ice-making branch pipes (12) through a connecting bent pipe (14) to uniformly distribute the low-temperature carbon dioxide refrigerating liquid into the ice-making branch pipes (12).
4. The carbon dioxide ice making pipeline system applied to the speed skating site as claimed in claim 1, wherein low temperature resistant 304 stainless steel is adopted as the ice making pipeline.
5. The carbon dioxide ice-making pipeline system applied to the speed skating site as claimed in any one of claims 1 to 4, wherein a low temperature resistant 304 stainless steel coil is adopted as the ice-making branch pipe (12), and a single ice-making branch pipe (12) is a coil pipe which is prefabricated in the factory.
6. Carbon dioxide ice-making pipe system for speed skating arena according to claim 1, characterized in that ice-making branch pipe (12) is connected with liquid supply header (9) and air return header (10) through 150 ° connection elbow (14).
7. The carbon dioxide ice making pipeline system applied to the speed skating site as claimed in claim 1, wherein the subsystem liquid supply main pipe (7), the subsystem air return main pipe (8), the liquid supply header (9) and the air return header (10) are installed in the ice site inner pipe ditch (23) through a channel steel (20), a pipe bracket (21) and a pipe clamp (26).
8. The carbon dioxide ice-making pipeline system applied to the speed skating field is characterized in that the left side liquid supply pipe (3), the right side liquid supply pipe (5), the left side air return pipe (4), the right side air return pipe (6), the main liquid supply pipe (1) and the main air return pipe (2) are installed in an outer pipe ditch (22) of the skating field through a channel steel (20), a pipe support (21) and a pipe clamp (26), and the pipeline is externally wrapped with a heat insulation material (24) and a protective layer (25).
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| CN202110560082.5A CN113137794A (en) | 2021-05-21 | 2021-05-21 | Carbon dioxide ice making pipeline system for speed skating field |
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| CN202110560082.5A CN113137794A (en) | 2021-05-21 | 2021-05-21 | Carbon dioxide ice making pipeline system for speed skating field |
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| KR101419014B1 (en) * | 2014-01-28 | 2014-07-16 | 주식회사 엠디텍 | Refigeration equipment building process and Refigeration equipment in ice rink |
| CN205227902U (en) * | 2015-12-14 | 2016-05-11 | 山东神舟制冷设备有限公司 | Carbon dioxide secondary refrigerant refrigerating unit |
| CN206176841U (en) * | 2016-08-16 | 2017-05-17 | 深圳市德尔制冷设备有限公司 | Horizontal pipe distribution structure in skating rink |
| CN215490479U (en) * | 2021-05-21 | 2022-01-11 | 松下冷机系统（大连）有限公司 | Carbon dioxide ice making pipeline system for speed skating field |
-
2021
- 2021-05-21 CN CN202110560082.5A patent/CN113137794A/en active Pending
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| CN205227902U (en) * | 2015-12-14 | 2016-05-11 | 山东神舟制冷设备有限公司 | Carbon dioxide secondary refrigerant refrigerating unit |
| CN206176841U (en) * | 2016-08-16 | 2017-05-17 | 深圳市德尔制冷设备有限公司 | Horizontal pipe distribution structure in skating rink |
| CN215490479U (en) * | 2021-05-21 | 2022-01-11 | 松下冷机系统（大连）有限公司 | Carbon dioxide ice making pipeline system for speed skating field |
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Effective date of registration: 20230607 Address after: No. 106 Liaohe East Road, Dalian Economic and Technological Development Zone, Liaoning Province, 116600 Applicant after: Iceberg cold and hot technology Co.,Ltd. Address before: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Applicant before: Bingshan Songyang Refrigerator System (Dalian) Co.,Ltd. |
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