JPH06273021A - Ice and snow spray device - Google Patents

Abstract

PURPOSE:To transport a huge amount of artificially made-snow to a slope in a skiing ground in a state hard to melt. CONSTITUTION:An ice and snow feeder 3 is installed to supply ice and snow to one side of an ice and snow transfer pipe 20 from an ice making device 10 and an ice storage device 11 while first to nth take out openings 25, 26 and 27 and a spray hose 35 are installed to the other side of the ice and snow transfer pipe. An ice and snow gliding board 22 provided with a large number of spray nozzles 22a are installed in the ice and snow transfer direction in the transfer pipe where the ice and snow gliding board 22 forms an ice and snow transfer space 23 in the upper part of the ice and snow transfer pipe and, what is more, forms an air supply space 24 in the lower part of the ice and snow transfer pipe, communicating with the ice and snow transfer space 24 by way of air spray nozzles. The air supply space is connected to a blower 27 for its formation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice-snow spraying device suitable for spraying ice snow, which is artificial snow, on a ski slope.

[0002]

2. Description of the Related Art FIG. 3 is a schematic view showing an example of conventional ice and snow spraying equipment. With the recent global warming, the amount of snowfall in winter has decreased, and there has been a shortage of snow at ski resorts in various places. Therefore, the period for skiing becomes shorter,
It was difficult to keep the slope in good condition. In addition, artificial ski resorts have begun to be built in areas with low snowfall. Therefore, in order to make up for the lack of snow and to form a slope on an artificial ski resort,
It produced artificial snow, ice and snow, and sprayed it on the slopes. As shown in FIG. 3, for example, the conventional ice and snow spraying equipment 1A includes an ice making device 10, an ice storage 11, and an ice carrying device 12A. The ice carrying device 12A pressure-feeds the ice and snow 60 to the slope 40. The air filter 9, the intake pipe 6,
The blower 2, the air feed pipe 7, the heat exchanger 5, the ice and snow feeder 3A, the ice and snow pressure feed pipe 30, and the like are included. That is, water 61 is supplied to the ice making device 10 by a pump or the like (not shown),
The water 61 supplied to the ice making device 10 is produced as small-sized ice and snow 60, and the ice and snow 60 produced by the ice making device 10 is transported to the ice storage 11. And ice 60 to the slope 40
When it is necessary to spray the ice and snow, the ice and snow 60 is taken out from the ice storage 11 and supplied to the ice and snow feeder 3A of the ice carrier 12A. The ice-and-snow 60 supplied from the ice storage 11 to the ice-and-snow feeder 3A is pressure-fed to the slope 40 through the ice-and-snow pressure-feeding pipe 30. When the ice-and-snow 60 is pressure-fed by the ice carrier 12A, the blower 2 is driven to suck the external air 50 into the intake pipe 6 via the air filter 9 and then compresses it.
The compressed air 5 is supplied to the ice and snow feeder 3A through the air supply pipe 7.
Supply 0. The air 50 passing through the air supply pipe 7 is adiabatically compressed by the blower 2 and is heated, but is returned to the temperature before being sucked by the heat exchanger 5 such as an intercooler and supplied to the ice and snow feeder 3A, and the ice and snow feeder 3A. At, the small snow ice 60 and the air 50 are mixed. Then, the small lump-shaped ice and snow 60 mixed with the air 50 is crushed into small pieces by repeatedly colliding with the inner wall of the ice-and-snow pressure-feeding tube 30 and the like during the pressure-feeding, and is fragmented.
Pumped to zero. Therefore, the small pieces of ice and snow 60 are applied to the first to n-th spraying areas 41, 42, 4 which form the slope 40.
Openable and closable first to n-th outlets 3 provided corresponding to
Take out from 1, 32, 33 through the spray hose 35,
It was sprayed on each spraying area 41, 42, 43.

[0003]

In the case of forming a snowy slope 40 suitable for skiing, if this small pieces of ice and snow 60 are scattered on the surface layer of the slope 40,
The slope 40 is preferable as a skier because it is easy to glide and is preferable, but when forming root snow on the slope 40, a small amount of iced snow 60 is easily melted, and therefore a large amount of iced snow 60 needs to be sprayed on the slope 40. However, since the ice / snow 60 was mixed with the air 50 in the ice / snow pump pipe 30 to the slope 40, the inside of the ice / snow pump pipe 30 was filled with air 5.
0 occupies the majority, the density of the ice and snow 60 that can be pumped is reduced, the efficiency of transporting the ice and snow 60 is low, and it took a lot of time to transport a large amount of ice and snow 60 to the slope 40.
Further, when it is necessary to store the ice / snow 60 in each of the spraying areas 41, 42, 43 of the slope 40 in preparation for maintenance of the slope 40, the efficiency of transporting the ice / snow 60 is low, and it takes a lot of time to store the ice / snow. Not only that, if ice is stored for a long time, the fragmented ice snow 60 will melt, and the volume of ice snow 60 stored in each of the spraying areas 41, 42, 43 will decrease, and the ice snow 60 will become even smaller. However, the ice and snow 60 could not be stored effectively.

In view of the above circumstances, an object of the present invention is to provide an ice-snow spraying facility capable of transporting a large amount of artificial snow, which is artificial snow, to a ski slope in a skiing-resistant state.

[0005]

That is, the present invention has an ice and snow producing means (10, 11), and the ice and snow supplying means is provided so that ice and snow can be freely supplied from the ice and snow producing means, and the ice and snow conveying pipe (20). ) Is provided, the ice and snow supply means (3) is connected to one of the ice and snow transport tubes, and the ice and snow spraying means (25, 26, 27, 35) is provided on the other of the ice and snow transport tubes,
An ice-snow sliding plate (22) having a large number of fumaroles (22a) is provided in the ice-snow transportation pipe along the ice-snow transportation direction, and the inside of the ice-snow transportation pipe is moved to the inside of the ice-snow transportation pipe by the ice-snow transportation plate. And a blower space (24) is formed below the inside of the ice and snow transport pipe so as to communicate with the ice and snow transport space through the fumaroles. An air blowing means (2) is connected to the air blowing space.

The numbers in parentheses are for convenience of showing the corresponding elements in the drawings, and therefore, the present description is not limited to the description in the drawings. The same applies to the column of "action" below.

[0007]

According to the present invention having the above-mentioned structure, the ice and snow slide plate is blown by blowing the air supplied from the blower means (2) into the air blow space (24) through the fumarole holes (22a) onto the ice and snow slide plate (22). Acts to form a layer of air on top.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic diagram showing an embodiment of the ice and snow spraying equipment according to the present invention, FIG. 2 is a diagram showing details of the ice and snow transport pipe of the ice and snow spraying equipment shown in FIG. 1, and FIG. It is sectional drawing of the side surface. (B) is a front sectional view.

As shown in FIG. 1, the ice and snow spraying equipment 1 according to the present invention comprises an ice making device 10, an ice storage 11, and an ice carrying device 12. The ice carrying device 12 sends ice and snow 60 to a slope 40 by pressure. In order to do so, the air filter 9, the intake pipe 6,
The blower 2, the air supply pipe 7, the heat exchanger 5, the ice and snow feeder 3, the ice and snow transport pipe 20, and the like are included. That is, the ice carrying device 12 has a blower 2 as shown in FIG. 1, and an intake pipe 6 is connected to the right side of the blower 2 in the figure. An air filter 9 is provided at the tip of the intake pipe 6 (upper side in the figure). By driving the blower 2, the outside air 5
0 can be sucked into the intake pipe 6 via the air filter 9. An air supply pipe 7 is connected to the left side of the blower 2 in the figure, that is, on the side opposite to the intake pipe 6, and the air supply pipe 7
A heat exchanger 5 capable of cooling the air 50 carried in the air supply pipe 7 to a predetermined temperature with a refrigerant is provided in the middle of the. An ice snow feeder 3 is provided at the tip of the air supply pipe 7 (on the left side in the figure), and ice snow 60, which is artificial snow, is taken in above the ice snow feeder 3 (upper side in the figure) as a snow-spraying material. An ice and snow intake 3a is formed.

As shown in FIG. 1, a partition plate 4 is pivotally mounted in the ice and snow feeder 3, and the partition plate 4 includes an air supply pipe 7 and a blower space 24 for an ice and snow transfer pipe 20 which will be described later. Alternatively, it is possible to communicate with either one of the ice and snow transport space 23 of the ice and snow transport tube 20 described later. That is, when the partition plate 4 is operated as shown by the broken line in FIG. 1, the blower 2 and the blower space 24 can be connected by communicating the blower pipe 7 and the blower space 24 of the ice and snow transfer pipe 20 described later, On the other hand, when the partition plate 4 is operated as shown by the chain double-dashed line in FIG.
The blower 2 and the ice and snow transport space 23 can be connected to each other by communicating with the ice and snow transport space 23 of the ice and snow transport tube 20 described later. The ice-snow feeder 3 and the ice-snow transport space 23 of the ice-snow transport pipe 20 are always connected to each other, and when the ice-snow 60 is taken in from the ice-snow intake port 3a of the ice-snow feeder 3, the ice-snow 60 is always connected. It is sent to the ice and snow transport space 23 of the ice and snow transport tube 20.

Further, on the left side of the ice and snow feeder 3 in FIG.
The ice and snow transport pipe 20 is connected, and the ice and snow transport pipe 20 is
From the top of the slope 40 to the foot, namely the slope 40
It is provided in a form of being inclined along the inclination direction (directions of arrows C and D). That is, as shown in FIG. 2, the ice and snow transport pipe 20 has a pipe body 21, and the ice and snow slide plate 22 in the pipe body 21 divides the space in the pipe body 21 in the vertical direction. It is provided along the axial direction of 20, that is, the ice and snow transport direction, that is, the slope direction of the slope 40 (arrow C and D directions). Inside the pipe body 21, an ice and snow transport space 23 is formed above the ice and snow slide plate 22, and the slide plate 22 is formed.
Blower space 24 is formed below. Ice and snow sliding board 2
2, a large number of fumaroles 22a are provided so as to penetrate the ice and snow slide plate 22 to connect the air blowing space 24 and the ice and snow carrying space 23, and the diameter of the fumarole 22a can eject air 50. As described above, the small-sized ice and snow 60 produced by the ice making device 10 is formed in such a size that it cannot pass through.
In addition, on the upper surface of the ice and snow sliding plate 22, a smooth sliding surface 22
b is formed along the inclined direction (arrow C, D direction) which is the ice and snow transport direction, that is, in the pipe body 21 of the ice and snow transport pipe 20, as shown in FIG. 22b is the direction in which the slope 40 inclines (arrow C,
It is formed so as to be inclined along the (D direction). In addition, the first to n-th outlets 25, 26, 2 which can be freely opened and closed are provided at the slope 40 installation portion (downward in the figure) of the ice and snow transport pipe 20.
7 is the first to n-th spraying areas 4 constituting the slope 40
It is provided corresponding to 1, 42, 43, and a spraying device such as a spraying hose 35 can be attached to each of these outlets 25, 26, 27. Therefore, in each spraying area 41, 42, 43 of the slope 40, each outlet 2
Ice and snow can be sprayed through a spraying device such as a spraying hose 35 attached to 5, 26, 27. In addition, the sliding surface 22b of the ice and snow slide plate 22 extends from the connection portion of the ice and snow transport pipe 20 with the ice and snow feeder 3 to the n-th outlet 27 of the ice and snow transport pipe 20.
Has been formed.

Further, the ice making device 10 and the ice storage 11 are constructed in the same manner as the conventional ice and snow spraying equipment 1A, and therefore will not be described in detail. However, the ice making device 10 is composed of a refrigerator or the like which can produce small-sized ice and snow 60. The ice making device 10 is provided with the ice storage 11 in a form capable of storing the ice and snow 60 produced by the ice making device 10. In the ice storage 11, a conveyor (not shown) such as a screw conveyor is stored in the ice storage 11.
0 is provided so that it can be transported to the ice and snow feeder 3.
By the way, the ice making device 10, the ice storage 11, and the ice carrying device 12 (excluding the ice and snow carrier pipe 20) are provided near the top of the slope 40, and the ice and snow 60 produced by the ice making device 10 is The inside of the ice and snow transport pipe 20 provided along the inclination direction can be slid down from the top of the slope 40 to the foot of the n-th outlet 27 due to the inclination of the ice and snow transport pipe 20.

Since the ice and snow spraying equipment 1 according to the present invention has the above-mentioned structure, when spraying ice snow 60, which is artificial snow, on the slopes of a ski resort, first, the water 61 is made from a pump or the like (not shown). 10 to supply the ice making device 10
The small-sized ice and snow 60 is manufactured in and stored in the ice storage 11.
Then, when it is necessary to store ice and snow 60 in the slope 40 or to form root snow, the small-sized ice and snow 60 stored in the ice storage 11 is conveyed to the ice and snow feeder 3 by a conveyor (not shown) and carried. The ice-snow feeder 3 is fed to the ice device 12 using the conveyed small-sized ice-snow 60 as a snow-spraying material.
Supply through the ice and snow intake port 3a. At this time, in the ice and snow feeder 3, the partition plate 4 in the ice and snow feeder 3 is operated so that the air supply pipe 7 and the air blowing space 24 of the ice and snow transport pipe 20 are in communication with each other as shown by the broken line in FIG. . In this state, the blower 2 is driven to suck the outside air 50 into the intake pipe 6 via the air filter 9. The air 50 sucked into the intake pipe 6 is adiabatically compressed by the blower 2 and rises in temperature, but is cooled to the temperature before being sucked by the refrigerant in the heat exchanger 5, and the air 50 is shown in FIG. In this way, the inside of the air supply pipe 7 is supplied to the left in the figure, that is, to the ice and snow feeder 3.

As shown in FIG. 1, the small-sized ice and snow 60 supplied to the ice and snow feeder 3 is shielded by the partition plate 4, so that it does not fall below the partition plate 4 and the ice and snow transport pipe 20.
Is supplied to the ice and snow transport space 23. As shown in FIG. 2A, the small lump-shaped ice and snow 60 supplied to the ice and snow transport space 23 has a sliding surface 22 b of the ice and snow slide plate 22 in the ice and snow transport pipe 20.
Piled up. The small lumps of ice and snow 60 on the sliding surface 22b of the ice and snow sliding plate 22 are the sliding surfaces 22b of the ice and snow sliding plate 22.
With the inclination attached in the carrying direction (direction of arrows C and D), the sliding surface 22b slides on the running surface 22b in accordance with the carrying direction. on the other hand,
The air 50 supplied from the blower 2 to the ice and snow feeder 3 is
As shown by the broken line in FIG. 1, the ice / snow transport pipe 20 is formed so that the flow direction in the ice / snow feeder 3 is restricted by the partition plate 4.
Is supplied to the ventilation space 24. The air 50 supplied to the air blowing space 24 is, as shown in FIG.
A large number of fumaroles 22a provided in the ice and snow slide plate 22 inside 0
Is ejected from the ice / snow transport space 23 into the small snow ice 60 accumulated on the slide surface 22b of the ice / snow slide plate 22, and a layer of air 50 is formed on the slide surface 22b of the ice / snow slide plate 22. Is formed.

Therefore, even if a large amount of small pieces of ice / snow 60 are supplied to the ice / snow transport space 23 of the ice / snow transport tube 20, the layers of the air 50 formed on the sliding surface 22b of the ice / snow slide plate 22 make these glides. The frictional force between the surface 22b and the large amount of small snowflakes 60 is reduced, and the small ice snow 60 is prevented from adhering to the sliding surface 22b. A large amount of small pieces of ice and snow 60
2A, as shown in FIG. 2A, the slide surface 22b of the ice and snow slide plate 22 can be slid on the slide surface 22b according to the inclination direction by the inclination provided in the transport direction of the slide surface 22b. Inside the ice and snow carrier pipe 20, a large amount of small pieces of ice and snow 60
Can be transported to the slope 40. That is, the density of the ice and snow 60 that can be transported in the ice and snow transport pipe 20 can be increased, and a large amount of the ice and snow 60 can be transported to the slope 40 in a short time. In addition, small snow ice 60
Is transported to the slope 40 in a form of sliding on the sliding surface 22b of the ice and snow sliding plate 22, so that a small block of ice and snow 60
Without colliding with the inner wall of the ice and snow transport pipe 20 many times,
That is, the ice / snow 60 can be transported to the slope 40 without being broken into small pieces and in a state of holding a small lump that does not easily melt. Therefore, a large amount of ice snow 60, which is artificial snow, can be transported to the slope 40 of the ski resort in a state where it is difficult to melt.

Therefore, a large amount of these small pieces of ice and snow 60
Through the spray hose 35 attached to each of the outlets 25, 26, 27 of the ice and snow transport pipe 20, and the slope 40
When the spray areas 41, 42, 43 are sprayed, the small-sized ice snow 60 that is supplied in a large amount is difficult to melt, so that it is possible to form root snow on the slope 40 in a short time. In addition, a large amount of these small pieces of ice and snow 60 are applied to each spraying area 4
If you store ice in the corners of 1, 42, 43 etc., the small snowy ice 60 will not melt even if it is stored for a long time,
It is possible to suppress the degree of decrease in the volume of the stored ice and snow 60 to a low level. In addition, the stored ice and snow 60 is melted to some extent by the time it is used, so that the ice and snow 60 in a small lump form.
It is convenient because it has a small size.

By the way, in the case of forming a snowy slope 40 suitable for skiing after the formation of root snow is completed, the partition plate 4 in the ice and snow feeder 3 is operated in the ice and snow feeder 3. As shown by the chain double-dashed line in FIG. 1, the air supply pipe 7 and the ice / snow transport space 23 of the ice / snow transport pipe 20 are in communication with each other. Then, the air 50 supplied from the blower 2 and the small snowy ice 60 which is the snow-spraying material supplied from the ice-snow feeder 3 are mixed, so that the ice-snow 60 is pressure-fed to the air 50 and the ice-snow carrier pipe is fed. It is conveyed while being crushed into small pieces in the inside 20 by collision with ice and snow 60 comrades and the pipe wall. Therefore, these small pieces of ice and snow 60 are taken out through the spraying hoses 35 attached to the outlets 25, 26, and 27 of the ice and snow transport tube 20, and the spraying areas 4 of the slope 40 are removed.
It is possible to form a snowy slope 40 suitable for skiing by skiing these small pieces of ice snow 60 on the slopes 1, 42, 43 on the slope 40.

In addition, the ice and snow transport space 23 of the ice and snow transport tube 20
In addition, even when the ice and snow 60 is clogged, the partition plate 4 in the ice and snow feeder 3 is operated in the ice and snow feeder 3,
As shown by the chain double-dashed line in FIG. 1, the air supply pipe 7 and the ice / snow transport space 23 of the ice / snow transport pipe 20 are brought into communication with each other, and air 50 is supplied from the blower 2 to the ice / snow transport space 23 of the ice / snow transport pipe 20. As a result, the ice and snow 60 clogged in the ice and snow transport space 23 can be blown away, and the ice and snow 60 in the ice and snow transport pipe 20 can also be used to remove the jam.

In the above-described embodiment, the air 50 is supplied for the two purposes of supplying the air 50 to the air blowing space 24 of the ice and snow carrier pipe 20 and for pumping the ice and snow 60 by the air 50. The blower 2 to be used was shared, but in order to achieve each purpose, the
Needless to say, means for supplying the air 50 may be separately provided in order to simultaneously perform the frictional force reducing operation by supplying the air 50 from the fumarole 22a while pumping.

[0020]

As described above, the present invention has the ice and snow production means such as the ice making device 10 and the ice storage device 11, and supplies the ice and snow supply means such as the ice and snow feeder 3 from the ice and snow production means. An ice-snow transport pipe such as an ice-snow transport pipe 20 is provided so that the ice-snow transport pipe is connected to one of the ice-snow transport pipes and the other of the ice-snow transport pipes is connected to the first to nth ice-snow transport pipes.
An ice / snow spraying means such as outlets 25, 26, 27 and a spray hose 35 is provided, and a large number of fumaroles 22a are provided in the ice / snow carrier pipe.
An ice-snow slide plate such as an ice-snow slide plate 22 provided with fumaroles is provided along the ice-snow conveyance direction, and the inside of the ice-snow conveyance pipe is above the inside of the ice-snow conveyance pipe by the ice-snow conveyance plate. An ice / snow transport space such as 23 is formed, and a blast space such as a blast space 24 is formed below the ice / snow transport pipe so as to communicate with the ice / snow transport space through the fumaroles. Since the air blower such as the blower 2 is connected to the space,

By blowing the air supplied from the blowing means into the blast space through the fumaroles onto the ice and snow slide plate, an air layer is formed on the ice and snow slide plate. Since the frictional force between the ice and snow slide plate is reduced and the ice and snow is prevented from adhering to the ice and snow slide plate, the ice and snow supplied to the ice and snow slide space is slid in the transport direction on the ice and snow slide plate. be able to. Therefore, even if a large amount of small-sized ice and snow is piled up on the ice-snow slide plate, it is possible to convey such a large amount of ice-and-snow to the slope, and it is possible to increase the density of ice-and-snow that can be conveyed in the ice-and-snow conveyance pipe. A large amount of ice and snow can be transported to the slopes in a short time. Further, by transporting the small lumps of ice and snow to the slope in a form of sliding on the ice and snow slide plate, without causing the small lumps of ice and snow to collide with the inner wall of the ice and snow transport pipe many times, that is, without fragmentation, Ice and snow can be transported to the slopes while maintaining a small lump that does not melt easily. Therefore, on the slopes of the ski resort
It can be transported in large quantities in a state where it does not melt easily.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment of ice and snow spraying equipment according to the present invention.

FIG. 2 is a diagram showing details of an ice-snow transport pipe of the ice-snow spraying facility shown in FIG. 1, and FIG. 2 (a) is a side sectional view in the transport direction. (B) is a front sectional view.

FIG. 3 is a schematic diagram showing an example of a conventional ice and snow spraying facility.

[Explanation of symbols]

 2 ... Blower means (blower) 3 ... Ice and snow supply means (ice and snow feeder) 10 ... Ice and snow production means (ice making device) 11 ... Ice and snow production means (ice storage) 20 ... Ice and snow transport pipe (ice and snow transport pipe) 22 ...... Ice and snow slide plate (ice and snow slide plate) 22a ...... Fume hole (fumes hole) 23 ...... Ice and snow transport space (ice and snow transport space) 24 ...... Blower space (blast space) 25 …… Ice and snow spraying means (first outlet) ) 26 ... Ice and snow spraying means (second outlet) 27 ... Ice and snow spraying means (nth outlet) 35 ... Ice and snow spraying means (spraying hose)

Claims (1)

[Claims] 1. An ice-and-snow producing means, an ice-and-snow supplying means is provided so that ice-and-snow can be supplied from the ice-and-snow producing means, an ice-and-snow conveying pipe is provided, and the ice-and-snow supplying means is connected to one of the ice and snow conveying pipes. At the same time, the other side of the ice and snow transport pipe is provided with an ice and snow spraying means, and inside the ice and snow transport pipe, an ice and snow slide plate provided with a number of fumaroles is provided along the ice and snow transport direction, and inside the ice and snow transport pipe. The ice-snow sliding plate forms an ice-snow transport space above the ice-snow transport pipe, and a blower space is formed below the ice-snow transport pipe in a form of communicating with the ice-snow transport space through the fumaroles. An ice and snow spraying facility configured by connecting an air blower to the air blowing space of the ice and snow carrier pipe.