CN212052181U

CN212052181U - Skating rink refrigeration pipeline laying structure and skating rink

Info

Publication number: CN212052181U
Application number: CN201921345757.9U
Authority: CN
Inventors: 佟伟
Original assignee: Wei Huilan
Current assignee: Beijing Eyre Moorhouse Membrane Technology Co.,Ltd.
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-12-01
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a skating rink refrigeration pipeline laying structure and skating rink. The skating rink is divided into a plurality of areas, a channel is arranged between the two areas and/or at the edge position of the skating rink at the joint of the two areas, the structure comprises branch pipes, a branch pipe support, a collecting pipe and a main pipe, the branch pipes are connected to the collecting pipe, and the collecting pipe is connected to the main pipe; the headers include a supply header and a return header, both disposed within the channel; the branch pipe and the branch pipe support are buried in the concrete block, a liquid inlet of the branch pipe is connected to the liquid supply collecting pipe, and a liquid outlet of the branch pipe is connected to the liquid return collecting pipe. The utility model discloses can guarantee that the skating rink total system does not have the leakage to ensure to accomplish the ice sheet formation of skating rink in the certain time.

Description

Skating rink refrigeration pipeline laying structure and skating rink

Technical Field

The utility model relates to a field is built to skating rink, concretely relates to skating rink refrigeration pipeline lays structure and skating rink.

Background

The ice sports project is widely loved by people, and the skating rink is a common place for large-scale sports competitions, and provides higher requirements for safety and timeliness of artificial ice making.

How to ensure that the whole system of the refrigeration pipeline of the skating rink has no leakage and can meet the requirement of ice making within a certain time becomes a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a skating rink refrigeration pipe laying structure and skating rink.

The utility model discloses an aspect provides a skating rink refrigeration pipeline lays structure, the skating rink divide into a plurality of regions, and the skating rink border position department of the junction between two regions and/or two regions is provided with the channel, the structure includes branch pipe, branch pipe support, collector and main pipe, the branch pipe is connected on the collector, the collector is connected on the main pipe; the headers include a supply header and a return header, both disposed within the channel; the branch pipe and the branch pipe support are buried in the concrete block, a liquid inlet of the branch pipe is connected to the liquid supply collecting pipe, and a liquid outlet of the branch pipe is connected to the liquid return collecting pipe.

Optionally, the branch pipe is of a U-shaped structure, and the liquid inlet and the liquid outlet are respectively connected to a liquid supply header and a liquid return header of the same channel; or the liquid inlet and the liquid outlet are respectively connected with a liquid supply header and a liquid return header in different channels.

Optionally, a flexible support is disposed in the channel, and the flexible support includes at least one or more of the following: the sand-gravel combined ditch is characterized by comprising sand, gravel particles, rubber particles, plastic particles, a plastic bracket and a rubber bracket, wherein a metal cover plate is laid at the upper end of the ditch.

Optionally, the branch pipes, the branch pipe supports, the header pipes and the main pipe are made of metal, and the diameter of the connecting holes cut in the header pipes is 0.1-0.3mm larger than that of the branch pipes.

Optionally, expansion joints are arranged between the concrete blocks and the edge of the skating rink, rubber or plastic is filled in the expansion joints, a metal cover plate is arranged at the upper end of the expansion joints, and the metal cover plate is provided with a bend.

Optionally, at least one or more of the following devices are further arranged in the channel and the machine room: a pressure detection device, a carbon dioxide concentration detection device, an exhaust device and an air supply device.

Optionally, the pipe diameter of the branch pipe is 16-24mm, and the diameter of the header pipe is 80-120 mm.

Optionally, a safety control valve is arranged on the header of each region, a safety control valve is also arranged on the main pipe, a three-way valve is further arranged in front of the safety control valve, and a telescopic bend is further arranged on the main pipe.

Optionally, an isolation device is further arranged between each region channel, and a HDPE sliding layer, a fine aggregate concrete protective layer, a modified asphalt waterproof layer, a waterproof breathable film, an extruded polystyrene board moisture retention layer, a vapor barrier film and a base layer are further sequentially arranged below the concrete block.

The utility model discloses another aspect provides an ice rink, its ice rink refrigeration pipe laying structure that includes above-mentioned arbitrary item.

The utility model discloses an ice rink has following advantage:

the leakage of the whole pipeline system of the skating rink is ensured through concrete block embedding, welding process and the like; and the pipeline laying structure and the method can ensure that the ice layer formation of the ice rink is finished within a certain time, and meet the safety and timeliness of large-scale sports competition, entertainment and other projects.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

FIG. 1 is a schematic illustration of a partial planing surface of a pipe laying according to one embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic diagram of a pipelaying area division according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a pipe laying method according to one embodiment of the present invention.

In the figure: 1. a branch pipe; 2. a branch pipe bracket; 3. a trench; 4. a header; 5. a concrete block; 6. an expansion joint.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example 1

Referring to fig. 1-3, wherein fig. 1 is a schematic view of a pipe laying local planing surface according to an embodiment of the present invention, and fig. 3 is a schematic view of pipe laying area division according to an embodiment of the present invention; in order to improve the construction efficiency of the rink, shorten the construction time thereof, and improve the formation time of the ice layer, the rink is divided into a plurality of regions in this embodiment, and as shown in fig. 2, the rink may be divided into 9 regions.

At least between two partial areas, and/or at the position of the edge side of the rink at the junction of two areas, a channel 3 is provided, wherein the laying structure of the rink specifically comprises: the device comprises a branch pipe 1, a branch pipe support 2, a collecting pipe 4 and a main pipe, wherein the branch pipe 1 is connected to the collecting pipe 4 in a welding mode, a splicing mode, a pipe joint connection mode and the like, then the collecting pipe 4 is connected to the main pipe, and the main pipe is connected to a machine room through a pipe well at the bottom of an ice skating rink. The material of the various pipelines can be special high-quality stainless steel, and other alternative metal materials can be selected.

In order to realize normal work of refrigeration, the collecting pipe is divided into a liquid supply collecting pipe and a liquid return collecting pipe, and the liquid supply collecting pipe and the liquid return collecting pipe are both arranged in the channel; the branch pipes and branch pipe supports are embedded in the concrete block 5, for example by casting, wherein it is strictly controlled that all pipes within the concrete coverage are jointless and have no weld seams or craters. And the liquid inlet of the branch pipe is connected to the liquid supply header, and the liquid outlet of the branch pipe is connected to the liquid return header, wherein the connection mode can be welding or pipe joint connection and the like.

In a word, the technical scheme of the embodiment of the utility model guarantees that the whole system of the pipeline of the skating rink has no leakage through concrete block embedding, welding process and the like; and the pipeline laying structure can ensure that the ice layer formation of the ice rink is finished within a certain time, and the safety and timeliness of large-scale sports games, entertainment and other projects are met.

In a preferred embodiment, the branch pipe 1 is of a U-shaped structure, and the liquid inlet and the liquid outlet are respectively connected to a liquid supply header and a liquid return header of the same channel 3; or the liquid inlet and the liquid outlet are respectively connected with a liquid supply collecting pipe and a liquid return collecting pipe in different channels 3.

Under the condition of ensuring that the part of the branch pipe 1 embedded in the concrete block 5 has no welded junction or joint, and the like, the branch pipe is preferably bent into a U-shaped structure, when the branch pipe is laid in an ice rink area 5-6, a liquid inlet and a liquid outlet of a certain branch pipe 1 are respectively connected to a liquid supply collecting pipe and a liquid return collecting pipe of the same channel, and two U-shaped sections of the branch pipe are adjacent, such as 50-100 mm; when the branch pipes are laid in the areas 3-4 and 7-8 of the skating rink, the branch pipes can be laid along two side edges of the skating rink respectively to form a large U-shaped structure, and a liquid inlet and a liquid outlet of the branch pipe 1 are connected to a liquid supply header and a liquid return header in different channels respectively.

In one embodiment, a flexible support is disposed within the channel, the flexible support including at least one or more of: the sand-gravel combined ditch is characterized by comprising sand, gravel particles, rubber particles, plastic particles, a plastic bracket and a rubber bracket, wherein a metal cover plate is laid at the upper end of the ditch.

In order to reduce the restriction to header and branch pipe, reduce rigid connection to the damage of branch pipe and header to and do not harm the pipeline when reducing the refrigeration shrink the utility model discloses in avoid directly placing the header subaerial with being responsible for, reduce rigid connection, adopt modes such as flexible support, hang to being responsible for the header, consequently, in this embodiment, can be right the header in the channel supports for example with materials such as grit, plastics or rubber.

In one embodiment, the material of the branch pipe, the branch pipe support, the header and the main pipe is metal, and the header and the main pipe are cut by a laser cutter at the time of factory manufacture, and the diameter of the connecting hole cut in the header is 0.1-0.3mm larger than that of the branch pipe.

In a preferred embodiment, expansion joints are arranged between the concrete blocks and the edge of the skating rink, rubber or plastic is filled in the expansion joints, a metal cover plate is arranged at the upper end of the expansion joints, and the metal cover plate is provided with a bend. The metal cover plate can be made of stainless steel or alloy aluminum and the like, the bent structure is formed, the cover plate can form a cold bridge, refrigeration transmission between different concrete blocks is achieved, the cover plate can also be deformed in a manner of being matched with expansion and contraction of the expansion joint, flexible connection is achieved, and sealing performance of the expansion joint is guaranteed.

In order to ensure the reliability of the foundation, an HDPE sliding layer, a fine aggregate concrete protective layer, a modified asphalt waterproof layer, a waterproof breathable film, an extruded polystyrene board moisture-retaining layer, a vapor barrier film and a base layer are sequentially arranged below the concrete block.

In one embodiment, at least one or more of the following devices are arranged in the channel and the machine room: a pressure detection device, a carbon dioxide concentration detection device, an exhaust device and an air supply device. In order to guarantee the safety of channel and computer lab, prevent the harm that the refrigerant leakage brought, can install pressure measurement device, carbon dioxide concentration detection device, exhaust device and air supply arrangement in computer lab and the channel, when detecting that the carbon dioxide concentration of inside air exceeds standard, automatic start is aired exhaust or air supply arrangement, and the fresh air is in time sent into to the guarantee computer lab. In a specific embodiment, the pipe diameter of the branch pipes is 16-24mm, and the diameter of the header pipes is 80-120 mm. Of course, the diameter of each pipe may be set according to the actual condition of the ice rink, or may not be specifically limited.

In a specific embodiment, a safety control valve is arranged on the header of each zone, a safety control valve is also arranged on the main pipe, a three-way valve is also arranged in front of the safety control valve, and a telescopic bend is also arranged on the main pipe.

Each individual unit is provided with a safety valve specific to that part, and the common line is also provided with a safety valve. The shut-off valve is an electric valve and is provided with an independent safety control processing system, the main control system is provided with a UPS (uninterrupted power supply), once an accident occurs, the system is ensured to work normally, the emergency shut-off valve can be operated by electric power and manual power, and the refrigeration host machine has the function of starting and recovering carbon dioxide under an emergency condition and also has the functions of maintaining the pressure of the system, a connecting pipeline and a pressure container and the like during the period of ice rink business stopping.

When the safety valve is opened, the gas is directly discharged outdoors, and a pipeline cannot be connected outside the outlet of the safety valve, so that the potential safety hazard caused by the fact that dry ice is generated after carbon dioxide is sprayed to block the pressure relief pipeline of the safety valve is avoided. The safety valve can not be closed after pressure is recovered, so two three-way valves are required to be arranged in front of the safety valve.

In a specific embodiment, an isolation device is further disposed between each of the regional channels.

The free state of the anti-freezing concrete block of 170mm is ensured, and the pipeline is not damaged in the contraction and deformation process of refrigeration. And the detection pipeline has no hard connection part, so that the concrete is poured under the condition of ensuring no loss. The telescopic bend is required to be installed on the longer connecting pipeline of the machine room, so that the pipeline is prevented from being pulled by cold contraction or a hanger bracket and the like are damaged, the pipeline route is planned, each welded junction can be welded normally, and the pipeline is not laid on the ground.

Can also establish portable respirator in the computer lab, the staff on duty must meet the training and reveal the condition and can skillfully use, ensures that personnel can evacuate safely.

Example 2

FIG. 4 is a schematic view of a pipe laying method according to an embodiment of the present invention; the utility model discloses in according to the regional segmentation construction from inside to outside of skating rink, for example according to 5 district ~ 6 district ~ 7 district ~ 8 district ~ 2 district ~ 1 district ~ 4 district ~ 3 district sequence construction in figure 3; the method comprises the following steps:

step 1), straightening and cutting the branch pipe, and bending by adopting a sizing die.

In the concrete construction, construction is strictly carried out according to the relevant standards and specifications of the refrigeration pipeline; using professional equipment to straighten the coiled pipe in a nondestructive way, and prefabricating branch pipes, collecting pipes and main pipes in a fixed length way; use professional scale mould bending machine, ensure accurate length and bending machine quality.

And 2) fixing the branch pipe on the branch pipe support, and pouring concrete to form the concrete block.

Preferably, the branch pipe support can be used as a branch pipe support, can also be used as a reinforcing steel bar to be added into the concrete block, and of course, other reinforcing steel bar structures can also be added to reinforce the strength of the concrete.

And 3) forming the channel according to the concrete block and the ice skating rink, and paving the collecting pipe in the channel. The position and manner of the channels may be set according to the specific conditions of the skating rink, and may not be particularly limited herein.

And 4) welding a liquid inlet of the branch pipe on the liquid supply collecting pipe, and welding a liquid outlet of the branch pipe on the liquid return collecting pipe.

The header and main pipe are cut by a laser cutting machine during manufacture, the ice-making header is machined by a laser pipe cutting machine in a factory, and holes with the diameter of 18.2 and 20.2 are preferably cut on the header pipes of D108 and D89 at the interval of 100 mm. And a special tool fixture is adopted in the welding construction of the collecting pipe and the branch pipe to effectively control the welding deformation.

And 5) connecting the header to the main pipe, and connecting the main pipe to a machine room through hoisting.

The degree of freedom of the collecting pipe and the main pipe is fully ensured, the pipeline is prevented from being damaged in refrigeration and other displacement, and flexible supporting or hoisting and other modes can be adopted.

And after the pipeline connection is finished, starting up for refrigeration and testing frost of the pipeline are needed. After the pipeline pressure test is qualified, the refrigerant is filled, the machine is started to operate, the pipeline tightness of the ice making system is detected, and the pipeline is ensured to be free of leakage.

In one embodiment, before the step 1), the method further comprises: and manufacturing the branch pipe by adopting a stainless steel coil pipe, packaging by adopting a wood hub, pressurizing and detecting leakage in a processing plant, and then maintaining the pressure for 3-5MPa and transporting to an ice rink. Wherein, the high-quality stainless steel coiled pipe special for refrigeration is preferably selected.

In one embodiment, in the step 4), the branch pipe and the header pipe are welded by using a tool and argon arc welding, an X-ray flaw detection is performed on the welded seam, and then blowing, pressurizing and pressure maintaining are performed, wherein the pressure of the pressure maintaining can be selected from 3-5 MPa.

In one embodiment, after the step 5), the method further comprises: and carrying out high pressure resistance test, leakage test and vacuum pressure maintaining test on the pipeline system, wherein the pressure of the high pressure resistance test and the leakage test is 8-16 MPa, and the pressure maintaining time is 36-60 hours.

In one embodiment, the specific steps of the high pressure test, the leak test, and the vacuum hold pressure test are as follows: firstly, performing nitrogen high pressure detection twice on a pipeline system, then performing vacuum pressure maintaining test once, performing nitrogen high pressure test for the third time, then performing helium leakage test twice, and finally performing vacuum pressure maintaining test once.

Example 3

The embodiment also discloses an ice rink, which comprises the refrigeration pipeline laying structure disclosed in the embodiment 1, and the ice rink is shown in figures 1 to 3. The skating rink in this embodiment can be realized by the method disclosed in the embodiment.

The foregoing is only a specific embodiment of the present invention, and other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.

Claims

1. A refrigeration pipeline laying structure of an ice skating rink is characterized by comprising branch pipes, a branch pipe support, a collecting pipe and a main pipe, wherein the branch pipes are connected to the collecting pipe, and the collecting pipe is connected to the main pipe; the headers include a supply header and a return header, both disposed within the channel; the branch pipe and the branch pipe support are buried in the concrete block, a liquid inlet of the branch pipe is connected to the liquid supply collecting pipe, and a liquid outlet of the branch pipe is connected to the liquid return collecting pipe.

2. The structure of claim 1, wherein said manifold is a U-shaped structure, said inlet and outlet ports being connected to a supply header and a return header, respectively, of the same channel; or the liquid inlet and the liquid outlet are respectively connected with a liquid supply header and a liquid return header in different channels.

3. The structure of claim 1, wherein a flexible support is disposed within the channel, the flexible support being any one of: the device comprises sandy soil, stone particles, rubber particles, plastic particles, a plastic support or a rubber support, wherein a metal cover plate is laid at the upper end of the trench.

4. The structure of claim 1, wherein the branch pipes, the branch pipe supports, the header pipes and the main pipe are made of metal, and the diameter of the connection holes cut in the header pipes is 0.1 to 0.3mm larger than that of the branch pipes.

5. The structure as claimed in claim 1, wherein expansion joints are arranged between the concrete blocks and the edge of the skating rink, rubber or plastic is filled in the expansion joints, a metal cover plate is arranged at the upper end of the expansion joints, and the metal cover plate is provided with a bend.

6. The structure of claim 1, wherein at least one of the following devices is further provided in the trench and the machine room: a pressure detection device, a carbon dioxide concentration detection device, an exhaust device and an air supply device.

7. A structure as claimed in claim 1, wherein the branch pipes have a pipe diameter of 16 to 24mm and the headers have a diameter of 80 to 120 mm.

8. A structure according to claim 1, characterized in that the headers of each of said zones are provided with safety control valves, the main pipe is also provided with safety control valves, a three-way valve is also provided before the safety control valves, and the main pipe is also provided with telescopic bends.

9. The structure of claim 1, wherein the concrete block is further provided with an HDPE slip layer, a fine-grained concrete protective layer, a modified asphalt waterproof layer, a waterproof breathable film, an extruded polystyrene board moisture-retaining layer, a vapor-barrier film and a base layer below the concrete block in sequence.

10. An ice rink, comprising the ice rink refrigeration piping structure of any one of claims 1 to 9.