WO2020073989A9

WO2020073989A9 - Assembled refrigeration device

Info

Publication number: WO2020073989A9
Application number: PCT/CN2019/110629
Authority: WO
Inventors: 佟伟; 韩兴旺
Original assignee: 佟伟; 韩兴旺
Priority date: 2018-10-11
Filing date: 2019-10-11
Publication date: 2020-08-27
Also published as: CN109708352A; WO2020073989A1

Abstract

An assembled refrigeration device, used for solving the technical problems of existing skating rinks having poor construction quality and ice-making capabilities, the device comprising refrigeration modules. The refrigeration modules comprise a housing (1) and refrigerant conveying pipelines (2); a heat transmission combined structure is formed by the refrigerant conveying pipelines (2) and the housing (1); outward heat conduction and refrigeration are produced by means of the housing (1), and the housing (1) is provided with a splicing device thereon. The multiple refrigeration modules are spliced and combined by means of the splicing devices, and a refrigeration face is formed on the top face of the housing (1) after splicing and combining. The construction work procedures of the skating rink are simplified, and thus the construction speed and quality thereof as well as the ice making capabilities are improved.

Description

An assembled refrigeration device

Technical field

The invention relates to the field of ice making in ice rinks, in particular to an assembled refrigeration device.

Background of the invention

Ice sports events have always been an important project in the development of sports, including figure skating, short-track speed skating, curling, ice hockey and other sports. These events require the construction of dedicated venues or stadiums to build high-quality ice-making The ice rink is the focus of construction. A good ice rink requires fast ice production, good ice quality, no leakage, safety, energy saving, and environmental protection.

During the construction of the existing ice rink, it is necessary to lay foundations such as concrete base layer, leveling layer, waterproof layer, thermal insulation layer, etc., and then to lay refrigerant transmission pipelines. These all need to be operated in the field or stadium, which is complicated and has a long construction period. It is difficult to guarantee the construction quality of each link, leakage is prone to occur, and the ice making effect is not ideal.

Summary of the invention

In view of the above-mentioned problems, the purpose of the present invention is to provide a prefabricated refrigeration device, which is manufactured in a modular manner in a factory, and is spliced and combined in a field or stadium, which simplifies the construction procedure of the ice rink and improves the construction of the ice rink. Speed, quality and quality of ice making.

In order to achieve the above objectives, the present invention adopts the following technical solutions:

The present invention provides a prefabricated refrigeration device, including a refrigeration module, the refrigeration module includes a shell and a refrigerant conveying pipe, the refrigerant conveying pipe and the shell constitute a heat transfer combination structure, through the shell to External heat conduction and refrigeration, a splicing device is provided on the shell, and a plurality of the refrigeration modules are spliced and combined by the splicing device. After the splicing and combination, the top surface of the shell forms a cooling surface.

Optionally, the refrigeration module is arranged in an ice rink, the water forms ice on the refrigeration surface, and the area of the refrigeration surface is adapted to the area of the ice surface of the ice rink.

Optionally, the refrigeration module is arranged on the wall or ceiling of the house building, and the refrigeration module cools the indoor temperature of the house building.

Optionally, the refrigeration module is filled with an insulation layer, and the insulation layer insulates the refrigeration module from conducting heat in the non-refrigeration direction.

Optionally, the housing is in the shape of an inverted trough, and includes a top plate and left and right side plates. The splicing device is provided on the left and right side plates, and the splicing device passes between multiple refrigeration modules. Perform the stitching combination in the width direction.

Optionally, the splicing device includes protrusions and grooves, the protrusions and grooves are respectively arranged on the left and right side plates, and adjacent refrigeration modules are clamped and assembled through the protrusions and grooves ；

And/or, the splicing device includes a connecting hole and a bolt, the left and right side plates are provided with the connecting hole, and adjacent refrigeration modules are inserted into the connecting hole to perform the connection combination.

Optionally, a sealing strip is arranged at the clamping position of the protrusion and the groove, and the sealing strip is arranged on the protrusion or in the groove, and the sealing strip is pressed after the protrusion and the groove are clamped. The sealing strip seals the gap between the protrusion and the groove.

Optionally, the refrigeration module further includes a bottom plate, the heat preservation layer is filled between the shell and the bottom plate, and the heat preservation layer in the adjacent refrigeration module is made integrally.

Optionally, a connecting device is provided between the bottom plate and the housing, and a heat insulating structure is provided on the connecting device.

Optionally, the housing includes an end plate, the splicing device is arranged on the end plate, and a plurality of the refrigeration modules are spliced and combined in a longitudinal direction through the splicing device, and the splicing device includes a connecting hole And bolts, the end plate is provided with the connecting holes, and the adjacent refrigeration modules are inserted into the connecting holes for connecting and combining.

Optionally, the end plates constitute flanges, and the refrigerant delivery pipes in adjacent refrigeration modules are connected by the flange, or the refrigerant delivery pipes are connected by hoses.

Optionally, the hose adopts a metal hose, which is screwed or welded to the end of the refrigerant delivery pipe.

Optionally, the refrigerant delivery pipe is made separately from the housing, and is installed and fixed on the lower surface of the top plate, and is in close contact with the top plate;

Alternatively, the refrigerant delivery pipe is made integrally with the housing, and the refrigerant delivery pipe is formed on the top plate.

Optionally, the lower surface end of the top plate is provided with a refrigerant conveying pipe reinforcement sheet.

Optionally, the shell is made of aluminum alloy through an extrusion process, preferably aviation aluminum.

Optionally, the thermal insulation layer is poured into the refrigeration module and solidified in the refrigeration module.

Optionally, several refrigerant delivery pipes are provided in the refrigeration module.

Optionally, the refrigeration module may heat the ice layer that has been made to melt the ice layer.

The advantages and beneficial effects that the assembled refrigeration device of the present invention can achieve are:

1. It is manufactured in a modular manner in the factory, and is spliced and combined in the field or stadium, saving a lot of civil construction costs and construction period, and is not affected by the weather and is not limited by the maintenance period.

2. Some refrigeration modules can be activated selectively, and the refrigeration operation is flexible and controllable.

3. The plate type and size can be determined according to the ice-making area of the venue or stadium, which has a wide range of applicability. The refrigeration module of the present invention can also be used as an air-conditioning device by laying it on the wall or the ceiling to expand the application.

4. Large load and long service life.

5. High thermal conductivity, fast ice making speed, high efficiency and low energy consumption.

6. The transition is fast. Turn on the ice melting mode to clear the field faster.

7. The environmentally friendly refrigerant R134a can be used, which does not destroy the ozone layer, and has a low global warming potential (GWP), which meets international standards.

Brief description of the drawings

Figure 1 is a cross-sectional view of the assembled refrigeration device in embodiment 1 of the present invention;

Figure 2 is a left view of the assembled refrigeration device in embodiment 1 of the present invention;

Figure 3 is a front view of the assembled refrigeration device in embodiment 1 of the present invention;

4 is a front view of the assembled refrigeration device in Embodiment 1 of the present invention;

5 is a partial cross-sectional view of the assembled refrigeration device in Embodiment 1 of the present invention;

Figure 6 is a top view of the assembled refrigeration device in Embodiment 1 of the present invention;

7 is a cross-sectional view of the ice making state of the assembled refrigeration device in Embodiment 1 of the present invention;

8 is a cross-sectional view of the assembled refrigeration device in Embodiment 1 of the present invention;

9 is a cross-sectional view of the assembled refrigeration device in Embodiment 2 of the present invention;

10 is a cross-sectional view of the assembled refrigeration device in Embodiment 3 of the present invention;

Figure 11 is a left side view of the assembled refrigeration device in Embodiment 3 of the present invention;

Figure 12 is a top view of the assembled refrigeration device in Embodiment 3 of the present invention;

FIG. 13 is a cross-sectional view of the ice making state of the assembled refrigeration device in Embodiment 4 of the present invention.

In the figure: 1. Shell; 1-1. Top plate; 1-2. Side plate; 2. Refrigerant conveying pipe; 3. Protrusion; 4. Groove; 5. Insulation layer; 6. Bottom plate; 7. End Board; 8. Connection hole; 9. Seal strip; 10. Bolt; 11. Ice layer; 12. Concrete base layer; 13. Wall.

Ways to implement the invention

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

Example 1

Figures 1, 2, and 3 show Embodiment 1 of the present invention. In this embodiment, an assembled refrigeration device is provided, which includes a refrigeration module. The refrigeration module includes a housing 1 and a refrigerant delivery pipe 2. The agent conveying pipe 2 and the shell 1 form a heat transfer combined structure. The shell 1 conducts heat conduction and refrigeration. The shell 1 is provided with a splicing device. Multiple refrigeration modules are spliced and combined by the splicing device. The top surface of 1 forms the cooling surface.

The refrigerant delivery pipe 2 is externally connected to the ice maker, and the ice maker delivers the refrigerant into the refrigerant delivery pipe 2. The refrigerant delivery pipe 2 has good contact with the shell 1, and the shell 1 can be cooled externally. .

As shown in Fig. 7, the refrigeration module in this embodiment can be installed in the stadium, and multiple refrigeration modules are laid on the concrete base layer 12. The concrete base layer 12 is the pre-laid foundation of the ice rink and has also been leveled. The water is rapidly frozen to form ice on the refrigerating surface, and the uppermost layer is the ice layer 11, and the area of the refrigerating surface matches the ice surface area of the ice rink.

In order to improve the cooling effect and prevent heat exchange with unnecessary external space, as shown in Figure 1 and Figure 5, the cooling module is filled with an insulation layer 5, which insulates the cooling module from conducting heat in the non-cooling direction, which can be It is understood as the reverse of the cooling surface.

The material of the insulation layer 5 can be polyurethane foam, polystyrene foam, phenolic foam, etc. The insulation layer 5 is poured into the refrigeration module with special equipment, and solidified and formed in the refrigeration module. The infusion process also needs to be implemented with a special mold. No more detailed description.

As shown in Figures 1 and 3, the housing 1 is in the shape of an inverted trough, including a top plate 1-1, a left side plate and a right side plate. The left side plate and the right side plate are provided with splicing devices. The splicing combination in the width direction is performed by the splicing device.

In this embodiment, the splicing device includes a protrusion 3 and a groove 4. The protrusion 3 and the groove 4 are respectively arranged on the left side plate and the right side plate, and the adjacent refrigeration modules are clamped by the protrusion 3 and the groove 4.接组合。 To combine.

The number of protrusions 3 and recesses 4 can be one each, or two or more. In this embodiment, the number of protrusions 3 and grooves 4 are both two.

The cross-sectional shape of the protrusion 3 and the groove 4 can be various, such as a rounded rectangle, a semicircle, a trapezoid, and the like.

The splicing device may further include a connecting hole 8 and a bolt 10, and connecting holes 8 are provided on both the left and right side panels, and the bolts 10 are inserted into the connecting holes 8 for adjacent refrigeration modules for connection combination.

That is, after the multiple refrigeration modules are firstly combined by the protrusion 3 and the groove 4, in order to further improve the strength of the connection, the connection hole 8 and the bolt 10 can be used for the connection combination.

In order to improve the sealing effect between adjacent refrigeration modules, as shown in Fig. 4, a sealing strip 9 can be arranged at the clamping part of the protrusion 3 and the groove 4, and the sealing strip 9 is arranged on the protrusion 3 or in the groove 4. The sealing strip 9 shown in Figure 4 is set on the protrusion 3. Correspondingly, the protrusion 3 needs to be provided with a groove to install the sealing strip 9. After the protrusion 3 and the groove 4 are clamped, the sealing strip 9 is squeezed to seal The strip 9 seals the gap between the protrusion 3 and the groove 4.

The sealing strip 9 can be made of sealing materials such as rubber and silica gel in the prior art.

As shown in Figs. 1, 2, and 5, the refrigeration module further includes a bottom plate 6, and an insulation layer 5 is filled between the housing 1 and the bottom plate 6, and the insulation layer 5 in the adjacent refrigeration module is made integrally. The bottom plate 6 can be made of aluminum alloy or carbon steel.

A connecting device (not shown in the figure) is also provided between the bottom plate 6 and the housing 1 to realize the combination between the bottom plate 6 and the housing 1. A heat insulating structure is provided on the connecting device to prevent the bottom plate 6 from conducting heat to the outside. The connecting device can adopt a combination of bolts and nuts, or adopt a clamping structure. The connecting device can be welded or pre-formed on the bottom plate 6 and the housing 1. The thermal insulation structure is similar to the thermal insulation bridge structure, which can block the heat transfer of the connecting device.

As shown in Figures 2, 3, and 4, the housing 1 includes an end plate 7, and a splicing device is provided on the end plate 7. The splicing device is used to splice and combine multiple refrigeration modules in the longitudinal direction. The splicing device includes a connecting hole 8 and bolts 10, a connecting hole 8 is provided on the end plate 7, and a bolt 10 is installed in the connecting hole 8 for adjacent refrigeration modules for connection and combination.

The connection between the refrigerant delivery pipes 2 in adjacent refrigeration modules can adopt this design:

The end plate 7 constitutes a flange, and the refrigerant conveying pipes 2 in adjacent refrigeration modules are connected by flanges, so that when multiple refrigeration modules are spliced and combined, there is no gap at the end.

Or the refrigerant delivery pipes 2 are connected by hoses. The hose adopts a metal hose, such as a metal bellows, which can be screwed or welded to the end of the refrigerant delivery pipe 2.

When a metal hose is used to connect the refrigerant delivery pipe 2, the length of the metal hose should be included in the length of the shell 1 of the adjacent refrigeration module, so that the ends will not be spliced and combined between multiple refrigeration modules. There is a gap.

In this embodiment, the refrigerant delivery pipe 2 is made separately from the housing 1, and is installed and fixed on the lower surface of the top plate 1-1, and is in close contact with the top plate 1-1 to achieve good heat transfer. Specifically, the fixed refrigerant delivery pipeline 2 can be installed by welding.

The U-shaped parts next to the refrigerant delivery pipe 2 in the attached

drawings

1, 3, 4, 7, 8, 9, and 13 of the specification are reinforcing sheets, which are arranged at the end of the refrigeration module to strengthen the structure of the refrigerant delivery pipe 2. It is also possible to install several reinforcing sheets in the middle of the refrigeration module, and the reinforcing sheets can be installed and fixed at the end of the refrigeration module later.

The shell 1 is made of aluminum alloy through an extrusion process, preferably aviation aluminum, with good thermal conductivity, which can reach 160.74w/m.k, which is 92 times that of 1.74w/m.k on concrete ground.

In order to improve the refrigeration effect, several refrigerant delivery pipes 2 can be provided in the refrigeration module. As shown in Figure 8, two parallel refrigerant delivery pipes 2 are provided in the refrigeration module, and the refrigeration module has two refrigerant inlets and two refrigerant outlets.

Sometimes sports venues also need to transition, the refrigeration module in this embodiment can also heat the ice layer that has been made to melt the ice layer to meet the needs of transition, and transport the higher temperature rise in the refrigerant delivery pipe 2 It can be realized by running the reverse cycle function of the externally connected ice maker.

The fabricated refrigeration device in this embodiment is manufactured in a modular manner in a factory, and is spliced and combined in a venue or stadium. The plate type and size can be determined according to the ice-making area of the venue or stadium, for example: Olympic standards The skating rink (30mx60m) has two types of 12m×0.8m and 6m×0.96m.

It has been verified by experiments that the assembled refrigeration device in this embodiment has a load of 700 kg/m2 and a service life of 30 years.

When the ambient temperature is 32℃, start the ice for 5 hours, the ice thickness is 5cm, and the ice temperature is -9℃. The ice making speed is fast, and the gas in the water is terminated before it can overflow. There is no need to apply ice paint or mix with milk. The ice surface is beautiful milky white.

10 minutes after watering, make ice 5mm thick. After 14 hours of starting, the ice thickness reached 12cm.

After turning on the ice melting mode, the temperature of the board surface can be increased to 50°C. 35 minutes after the ice melting mode is turned on, the temperature rises from -20°C to +40°C, and it only takes 1 hour to clean the site.

The standard skating rink assembly and commissioning time only takes 20 days. Production date: 60 days. Standard ice rinks consume less than 450,000 kilowatt-hours of electricity throughout the year.

Example 2

Figure 9 shows the second embodiment of the present invention. The difference from the first embodiment is that in this embodiment, the splicing device only includes the connecting hole 8 and the bolt 10, and there are no protrusions on the left side plate and the right side plate. And the groove, only the connecting hole 8 is provided, and the bolt 10 is installed in the connecting hole 8 for adjacent refrigeration modules for connection combination.

This design can simplify the structure of the refrigeration module and reduce the manufacturing cost.

The other structure of the assembled refrigeration device in this embodiment is the same as that in Embodiment 1, and the description will not be repeated here.

Example 3

Figures 10, 11, and 12 show Embodiment 3 of the present invention. The difference from Embodiment 1 is that in this embodiment, the refrigerant delivery pipe 2 is made integrally with the housing 1, and the refrigerant delivery pipe 2 is formed on the top plate 1-1, this design can simplify the manufacturing process of the refrigeration module.

The reinforcing sheet at the end of the refrigeration module is also made integrally with the housing 1.

The refrigerant delivery pipe 2 shown in FIG. 10 protrudes from the top plate 1-1, or may not protrude from the top plate 1-1, and is completely located under the top plate 1-1.

Example 4

Figure 13 shows Embodiment 4 of the present invention. The difference from Embodiment 1 is that in this embodiment, the refrigeration module is installed on the wall 13 of the building, and the refrigeration module cools the interior of the building to form an indoor air-conditioning facility. .

A connecting device such as an anchor bolt can be arranged on the bottom plate 6 of the refrigeration module to connect and fix with the wall 13.

The refrigeration module does not need to completely cover the walls 13 of the building, and the laying area is designed according to the refrigeration requirements. For example, in the computer room of a supercomputer, the refrigeration module in this embodiment can be laid on a large area, and the cooling effect is much better than that of the air conditioner. It can be used with air conditioner.

The refrigeration module can also be arranged on the ceiling of the building.

The above are only the embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, expansion, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims

A prefabricated refrigeration device, characterized in that it includes a refrigeration module, the refrigeration module includes a shell and a refrigerant conveying pipe, the refrigerant conveying pipe and the housing constitute a heat transfer combination structure, and the housing External heat conduction and refrigeration, a splicing device is provided on the shell, and a plurality of the refrigeration modules are spliced and combined by the splicing device. After the splicing and combination, the top surface of the shell forms a cooling surface.
The fabricated refrigeration device of claim 1, wherein the refrigeration module is filled with an insulation layer, and the insulation layer insulates the refrigeration module from conducting heat in the non-refrigeration direction.
The assembled refrigeration device according to claim 1, wherein the housing is in the shape of an inverted trough, comprising a top plate and left and right side plates, and the splicing device is provided on the left and right side plates. The splicing and combination of the cooling modules in the width direction are performed by the splicing device.
The assembled refrigeration device according to claim 3, wherein the splicing device includes protrusions and grooves, and the protrusions and grooves are respectively arranged on the left and right side plates, adjacent to the refrigeration module Performing clamping combination through the protrusions and grooves;

And/or, the splicing device includes a connecting hole and a bolt, the left and right side plates are provided with the connecting hole, and adjacent refrigeration modules are inserted into the connecting hole to perform the connection combination.
The assembled refrigeration device according to claim 4, wherein a sealing strip is provided at the clamping position of the protrusion and the groove, and the sealing strip is provided on the protrusion or in the groove, and the protrusion After being clamped with the groove, the sealing strip is squeezed, and the sealing strip seals the gap between the protrusion and the groove.
The assembled refrigeration device according to claim 2, wherein the refrigeration module further comprises a bottom plate, the heat preservation layer is filled between the shell and the bottom plate, and the heat preservation layers in adjacent refrigeration modules are integrated production;

A connecting device is arranged between the bottom plate and the housing, and a heat insulating structure is arranged on the connecting device.
The assembled refrigeration device according to claim 1, wherein the housing includes an end plate, and the splicing device is provided on the end plate, and a plurality of the refrigeration modules are lengthened by the splicing device. Directional splicing combination, the splicing device includes a connecting hole and a bolt, the end plate is provided with the connecting hole, and adjacent refrigeration modules are inserted into the connecting hole to perform the connecting combination;

The end plates constitute a flange, and the refrigerant delivery pipes in adjacent refrigeration modules are connected by the flange, or the refrigerant delivery pipes are connected by a hose.
The assembled refrigeration device according to claim 3, wherein the refrigerant delivery pipe is made separately from the housing, and is installed and fixed on the lower surface of the top plate, and is in close contact with the top plate;

Alternatively, the refrigerant delivery pipe is made integrally with the housing, and the refrigerant delivery pipe is formed on the top plate;

The lower surface end of the top plate is provided with a refrigerant conveying pipe reinforcement sheet.
The prefabricated refrigeration device according to claim 1, wherein the shell is made of aluminum alloy;

The thermal insulation layer is poured into the refrigeration module and solidified in the refrigeration module;

A number of the refrigerant delivery pipes are arranged in the refrigeration module.