TW386153B - Method and apparatus for preventing snow from melting and for a snow cover in an artificial ski facility - Google Patents

Abstract

A method for preventing snow from melting and for packing a snow cover in an artificial ski facility, by injecting dry air or low-temperature air to permeate through a snow cover of an artificial ski facility, The entirety of the snow cover can be effectively cooled to reliably prevent snow from melting and to pack the snow cover as well. If high-temperature air is injected before the injection of the low-temperature air, the low-temperature air is permeated effectively and formation of frozen snow is prevented by the high-temperature air injected thereafter. In these methods, snow can be prevented from melting and the packing of the snow cover can be achieved more effectively, if the dry air , the low-temperature air, and the high-temperature air are injected form the bottom of the snow cover, through a headet having a plurality of air injecting outlets. The header is preferably constructed in a tortuous or snake-shape or in a lattice, on a platform of the ski facility.

Description

A7 B7 V. Description of the invention (11) The description of the component numbers in the spirit and scope of the present invention can be made into various changes and changes Printed by the Ministry of Economic Affairs Intellectual Property Bureau Tooling Consumer Cooperatives 1 Platform 2 Drain trough 3 Snow cover 4 Tube header 5 Air jet outlet 6 Air supply source 7 Thermal insulator 8 Path 9 Ventilation path or opening 10 Hole or orifice 11 Hoe 12 Heater 13 Cooling tube header 14 Water absorber member 15 Coolant supply source 16 perforated 25 air jet outlet ---.---, -------------- order ------- ^! Line_ (please read the note $ on the back before (Fill in this page) The paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) -14-Revised page Λ7 B7 V. Description of the invention (1) [Background of the invention] [Field of invention] The present invention is There are methods and devices for preventing snow melting and snow filling in indoor or outdoor artificial ski equipment for skiing or snowboarding. [Explanation of Known Techniques] In order to prevent snow melting in artificial ski equipment, various methods have been disclosed, for example, Japanese Patent No. 1-293887 / 1 989, Known Technology ⑴; Japanese Patent No. 3-28405 / 1 99 1. Know-how ⑵; Japanese Patent No. 3-1 66404/1 99 1. Know-how (¾; Japanese Patent No. 3-180604 / 1991, Know-how ⑷; Japanese Patent No. 2-240304 / 1 990, Xi Known technology (5); and Japanese patent number 3-93905 / 1199, and conventional technology (6). Japanese patent number 1-293887 / 1989, a method is disclosed, which is embedded in a platform through Cooling tubes while circulating a refrigerant | Prevents the melting of a snow cover on a platform. Japanese Patent No. 3-28405 / 1 99 1 discloses a method * via a heating method that is directly buried below the surface of the platform Tube evaporator, which transfers heat to a heated tube condenser placed on the ground. Thus, when the air temperature of the garden falls below the temperature of the platform, the heat surrounding the evaporator can be absorbed to prevent A snow cover on the platform melted. Α Japanese Patent No. 3-1806 In 04/1991, a method was disclosed to prevent the melting of a snow cover on a platform by covering a snow support sheet on the top surface of the platform. The snow support sheet includes a stretch film with a plastic sponge body. A thermal insulator is formed on the bottom side of the frame. Japanese Patent No. 2-240304 / 1 990 * discloses a method to apply the Chinese National Standard (CNS) A4 specification (210 × 297 male f) via this paper size (please read the note on the back first) Matters to fill out this card >

Order printed by the Central Samples Bureau of the Ministry of Economic Affairs, printed by the shelling consumer cooperatives 4 Printed by the Central Samples Bureau of the Ministry of Economics, printed by the consumer cooperatives Λ7 B? 5. Description of the invention (2) In this guard! The thermal insulation member frame configured in the form of M lattice To prevent a snow cover on the platform from melting. In Japanese Patent No. 3-93905 / 1199, a method is shown * by forming a thermal insulation layer in a waterproof film on the platform, constructing a holding plate in the waterproof film on the thermal insulation layer, and An excretion groove is formed on the upper surface to prevent melting of a snow cover on a platform. In these known methods, if the temperature of the weekly garden in artificial ski equipment is lower than ου, because the heat transfer from the top surface of the snow is quite invading, by using some mechanism to isolate the heat transfer from the ground surface, M prevents the snow from melting to some extent. However, when the peripheral temperature in artificial ski equipment reaches ου and 轘 radiant heat also substantially reaches 0 ΐ! * The conventional techniques 0) to (6) shown above have the following problems. In Japanese Patent Nos. 1-293887 / 1989 and 3-28405 / 1991, the air of the pen should be cooled. The snow in the cooling tube is cooled * and the snow in the middle space has a high thermal capacity, so The cooling efficiency of the snow at a distance from the cooling pipe is very low. The surface of the snow layer is penetrated by sensible heat and blessings. It is not mixed to prevent the snow from melting. Japanese Patent No. 3- 166404/1991 * 3-180604 / 1991, 2- 240304/1990 and 3-93905 / 199 1 In the methods disclosed, a thermal insulation sheet or a thermal insulation material is placed on the bottom or the platform, although the insulation comes from the ground The heat transfer is possible to a certain extent, but it is impossible to isolate the heat transfer from the top surface of the snow. • Therefore it is not possible to prevent the snow from melting in the surface layer. This paper size applies Chinese national standards (CNS) Α · 4 size (210X297 male) (Please read the precautions on the back before filling this page)

, 1T Yin Ben, Consumer Work Cooperative, Central Standards Bureau, Ministry of Economic Affairs Λ7 B7 V. Description of the Invention (3) The methods in Japan's Kojiri 1-293887 / 1 989 and 3-280405 / 1 99 1 also have the following problems. When the melted snow penetrates from the surface snow layer to the bottom snow layer due to gravity, and the ring cooling pipe freezes $ ice ', due to the inflow of the melted snow holding M, the ice is removed from the snow The bottom expands into a large frozen object, and the expansion of this ore holding will face the snow layer on the surface * until the end of almost all the snow cover has been converted into a frozen and frozen ski slope. The ski slope is very hard, which makes it difficult to skim during skiing, and it is easy to fall * so it takes considerable time to maintain the slope, and it is difficult to replace it with new snow. Japanese Patent No. 3- The method in 166 40 4/1991 also has a problem, 'When the ambient temperature increases, the rate of snow melting increases very much', which significantly reduces the hardness and shear strength of the snow. This results in reducing the applicability of this slope for skiing. [Inventor's media ib] According to this, one object of the present invention is to provide a method and device 'for preventing snow from melting and filling the snow in an artificial ski equipment' to stop all gambling snow with a reliable P No melting 'and can be used to landfill the snow. The foregoing object can be achieved by the method and the device according to the present invention. One of the methods for preventing snow from melting and filling the snow in an artificial ski equipment according to the present invention relates to spraying dry air into the snow cover. within. In another method according to the present invention, 'replace the susceptible air' and spray low-temperature air from a temperature of -30¾ to 0C into the snow cover. This method is also used in an artificial ski equipment. It can also effectively prevent snow from melting and filling a paper. The paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page ) Order Λ7 B7 V. Description of the invention (4 Snow cover. According to the present invention, the method for preventing snow from melting and filling a snow cover in an artificial skiing device includes radiating from the top surface of the snow cover. To the bottom surface of the snow cover, a plurality of holes are formed in the snow cover, and low-temperature air is sprayed into the snow cover. According to one of the present invention, an artificial skiing device is additionally provided to prevent snow from melting and accumulating. The method of filling a snow cover includes providing a cooling pipe on a platform, covering the cooling pipe with a water absorber piece * supplying water to the water absorber member, introducing a refrigerant into the cooling pipe, and The snow is piled up on the absorber structure. 0 Printed by the Central Consumers' Bureau of the Ministry of Economic Affairs of the Bayong Consumer Cooperative (please read the precautions on the back before filling out this page). The present invention also aims to prevent snow from being used in an artificial ski equipment by K And snow-filling device, including a tube header (i.e., piping) placed on a platform and having a plurality of ejection outlets, and supplying low temperature air or high temperature air to the tube header (i.e. In order to prevent the formation of freezing slopes, a heater is provided around a plurality of spray openings formed in the pipeline. 》 The present invention also relates to a device for preventing snow melting and snow filling in artificial ski equipment by using M, including a cooling pipe header box and a water absorber member placed on a platform, for example, to cover the cooling A water-absorbing polymer in one of the pipe headers (in accordance with which the water-absorbent member can absorb the water) * and the refrigerant is supplied to a refrigerant supply source in the cooling-pipe header. [Brief description of the drawings] _For the purpose of illustrating the present invention, the presently preferred type is shown in the circle. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 × 297 mm) -7-Λ7 B7 Economy Central Bureau of Standards Cooperative cooperative India Lai V. Description of the invention (5) 1 I 〇 However, it must be understood * The present invention is not limited to the exact configuration 1 1 arrangement and method shown in the figure. 1 Please 1 1 圔 1 is a side sectional circle, Show a specific example of reading the method i 1 by using M to perform the method. The back 1 1 face * circle 2 is a schematic top plan view »showing the device c in Fig. 1 Note I Figure 3 is a chart 9 Relative matters of the preferred range of temperature and dry air 1 I and 1 Humidity 0 Fill in C This table 1 圔 4 is a side sectional view of the garden, showing a second specific example for performing the method of the present invention on page 1 1. 1 1 圔 5 is a side cross-sectional view showing a third specific example of a method 1 1 I for implementing the method of the present invention by using M. 1 FIG. 6 is a side sectional view showing a fourth specific example of performing the method 1 1 of the present invention using M c 1 1 FIG. 7 is a side sectional view showing a first embodiment of performing the method 1 I of the present invention using M Five questions. 1 FIG. 8 is a side cross-sectional view showing a sixth specific example of implementing method 1 of the present invention by using M. 1 1 C Detailed description of preferred specific examples] 1 I In the present invention #vt, including spraying dry air to the snow cover is better than 1 1 1, the temperature of the dry air (V) X And relative temperature (S!) Y 9 is adjusted 1 1 to meet the following equation 1 1 y ^-5 X + 100…. (1) 1 1 -30 ύ X έ 10 (2) 1 I y < 100. • · ·. ⑶ 1 1 This paper size is applicable to Chinese National Standard (CNS) A4 (210X 297). 8 B7 Printed by the Consumers ’Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs. 5. Description of the invention (6) 1 I The exposed air or the temperature and the humidity of the phase and the humidity are adjusted to 1 1 and the dry air is introduced into the cover. It is better to be placed on the platform of the 1 1 please 1 1 artificial ski equipment. The header sprays the air. The tube set reads 1 box first, which is the pipeline with the majority of the ejected P. Back 1 1 Λ Notes on spraying the temperature of g 0 1C to 30 υ after spraying this low-temperature air | Note I High-temperature air can effectively prevent the formation of a freezing slope. It is also a better matter 1 I again 1 The phoenix 9 呗 shoots at a temperature of 0 ° C to 30Ό high temperature 4% C. This air 0 pages'-1 1 In a preferred embodiment, the majority of the § the top surface of the cover 1 1 I is facing the platform Behind the hole »Project low-temperature air into the snow cover. The 1 1 type is specifically the same as the aforementioned 9 injecting high-temperature air 1 before injecting low-temperature air. The air reservation is also effective. 0 In addition, after injecting low-temperature air, injecting high-temperature air at a temperature from 1 1 ο υ to 3 ο υ can prevent --Formation of frozen slopes. 1 The above-mentioned spraying of low-temperature or high-temperature air f is preferably performed through a pipeline that is placed on a platform in an artificial ski equipment and has a plurality of jet outlets. 0 1 because in artificial ski equipment The temperature of a snow cover is almost ον > 1 1 The "snow" is composed of ice particles and melting snow mixed together and further 1 f of I contains most of the voids in the "snow". Figure 1 Sprayed 1 1 I Dry air injected into the outer cover 3 • Along the path 8 1 1 in the snow outer cover 3 penetrates through the gap and is discharged into the air. For example, as shown in _ 1 and 1 1 Figure 2. The dry air is supplied via a pipeline. The pipeline consists on a platform 1 with 1 1 drain trough 2 »Μ Twisted or serpentine or a grid-like tube 1 I header box 4. The header box 4 is covered by a thermal insulator 7 = the thermal insulation hip 7 can be 1 1 This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297gt) 9 Printed by the Central Working Bureau of the Ministry of Economic Affairs System Λ7 _B7________ V. Description of the invention (7) It is considered that the materials used in the supply pipelines and pipelines are generally used in the ministry, so 'the thermal insulator 7 may be polystyrene or a polyamine that forms a sponge body. The tube header 4 has a plurality of air ejection outlets 5. The header box 4 is connected to an air 1 supply source 6 with air compression or air blast and a dehumidification (not shown in circle 1). When the dry air penetrates the snow cover 3 along the path 8, The melting snow in the snow outside S3 evaporates and is absorbed by the dry air to remove the heat of evaporation from the stomach. That is, due to the infiltration of dry air, the snow 3 is thin to prevent the snow from melting, and this also increases the The hardness of the snow cover 3. This prevents the snow from melting and also fills the snow. Because the air discharged from @ § · > »vfi hemp 1 is more than 0 TC 之 '温 #,) way the surrounding air has a higher density, the laminar flow of the air (Laminar · B 卩 is, absolute current a above the surface of the snow cover 3, from the surrounding air resistance »« Chain. Therefore, the edge) the heat, thus preventing the condensation (condensation) is to prevent the snow from melting and is used to fill the snow, which is beneficial ° rt ηΤ ί) X to control the relative humidity of the supplied dry air (X) y 与 温 # The snow melts the values shown in the oblique cross-section line range shown in circle 3. For prevention ^ 1 ^ and fill the snow with Μ Is also effective. ns shooting outlet 5 when the header 4 has a perforated pattern as shown in FIG. 1, the empty $ # —erf outlet 25, and the air with a protruding pout type as shown in 圏 4. Both are similar and have the same effect. As shown in the sun 5, when the tube header 4 having the most protrusions of the y-domain air can be supplied with the air 16 is supplied with air, '@ effectively penetrates into the snow M3 under low pressure. m # 夕 低 港 空气 _Replaces this dry air. • Shot at -30 ~ C to 〇t: ----- This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) 1〇 -Binding (1 (read the notes on the back before filling out this page) Printed by the Staff Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs Λ7 B7 V. Invention Description (β) 〇 Enter the snow cover 3, which also has a similar Effect. For example, as shown in circle 4, when the low-temperature air is injected into the snow cover 3 from the nozzle-shaped air ejection outlet 25, the low-temperature air passes through the snow cover 3, and the snow cover 3 as a whole. A ventilation path or opening 9 is formed inside that even communicates with the surface of the snow cover 3. At this time, a part of the supplied low-temperature air is discharged from the surface of the snow cover 3 through the ventilation path or opening 9. To the surrounding air, the remainder of the low-temperature air • penetrates into the snow cover 3 through the ventilation path or the wall of the opening 9. Through the same mechanism of the aforementioned dry air, the snow can be prevented from melting and piled up The purpose of filling the snow. When the low temperature air from the flat When the side of 1 penetrates into the snow cover * Because the cooling of the snow cover is sequentially performed from the lower layer of the snow cover 3 to the higher layer, the hardness of the snow cover 3 in the lower layer Both the shear strength and the shear strength are larger than the higher layer. That is, after the snow cover 3 is filled, the hardness of the snow cover 3 ranges from the higher layer to the lower 9 □ or when the road winds through the loop. When the temperature increases and the temperature increases, the gradual ore spraying will be held down when the temperature is low, and when the temperature is low, the spray will stop, and the frozen air will be empty. The temperature is low, and the condition is 1 Air infiltration

Vaporization thaws V ο 3 to V. The gas-air temperature is low and the spray is sprayed again. Erxue should be the first to fill it from the rear pile and spray it. Before use, the air can be emptied and the air is warmed. The snow with high melting temperature is low. The blowout prevention snow that should be used at this temperature can be used.

The air temperature is high. The temperature V ο 3 to V 3 covers and melts the snow. The snow melts to prevent the formation of the snow. In the KK, 3 9 snow is opened outside the cover or the road body gas is clear. The number of holes or holes at which the P-holes or holes in the surface gas are low when the air-temperature is low. The snow is filled by this book. The paper size is applicable to China National Standard (CNS) A4 (210X 297 public dream)

11 IX! Γ Install IT'W ^ (Please read the precautions on the back before filling this page) Λ7 B7 9 V. Description of the invention ((Read the precautions on the back before filling out this page) 10 For example, it is shown in the figure One of the drill bits 11 is formed from the top surface of the snow cover 3 toward the platform 1 and has the same effect as the aforementioned effect of spraying high-temperature air before spraying low-temperature air. If it passes through the hole or After the low-temperature air is ejected from the orifice 10, the high-temperature air at a temperature of 0 ° C to 3 0 t: is sprayed through the nozzle 25 (air ejection outlet) to prevent the snow from freezing around the orifice or the orifice 10. The header box 4 on the platform 1 having the majority of the air ejection outlets 5 shown in the circle 1 and the majority of the air ejection outlets 25 shown in the gardens 4, 5, 6, and 7 ejects the aforementioned dry air, Both the low-temperature air and the high-temperature air can effectively penetrate into the whole snow cover 3. When a device for preventing the snow from melting and filling the snow is used in artificial ski equipment, the device includes a device A tube header 4 on a platform, the tube header 4 has 1 has a plurality of air ejection openings 5 and an air ejection outlet 25 as shown in FIGS. 4, 5, 6, and 7, and an air supply for supplying low-temperature air or high-temperature air to the header 4 by M. At the time of the source 6, the method disclosed above can be performed. The central government bureau of the Ministry of Economic Affairs, Shellfish Consumer Cooperative, printed as shown in plaque 7, instead of ejecting high-temperature air, a heater 12 can be provided to surround most of the air ejection outlets 25, also To effectively dissolve a frozen snow, the heater 12 is placed in a header box 4 of a device that prevents the snow from melting and filling the snow in artificial ski equipment. Related to the previously disclosed In all the specific examples of the present invention, the preferred flow rate of the ejection air is 5 to 100 槱 liters / minute / square meter (per unit area of the snow). The preferred hold time of the air ejection is 2 to 30. Hours. The preferred diameter of the air ejection outlet (5, 2 5 > is less than 10 mm), and the paper size of the air ejection is applicable to China National Standard (CNS) A4 (2 丨 0 X 297 mm) -12-Λ7 B7 V. Description of the invention (10) of exit (5, 25) The preferred distance between them is less than 1,000 mm (generally about 600 mm of the aforementioned spray air parameters, which can be applied to both low temperature air and high temperature air. As shown in circle 8, another aspect of the invention is pointed out For a specific example, the cooling pipe header 13 'placed on the platform 1 is covered by a water absorber member 1, such as the printed bag of the Consumers' Cooperative Cooperative of the Central Samples Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling) (This page) A water-absorbing polymer, for example, a "superabsorbent polymerized pulp (SAP)" of a cross-linked polypropylene. The water-absorbing member is preferably 0.10 to 0.10 depending on specific conditions. 〇.56w / b des. Heat transfer coefficient. When the distance from the platform 1 to the snow cover 3 is 50 to 60 cm, the thickness of the water-absorbing member 14 is preferably 30 to 40 cm. Water is supplied to the water absorber member 14 * and then a coolant (such as low-temperature air or secondary fermentation, preferably K-30C to Ot: temperature supply) is supplied to the cooling line from a coolant supply source 15 Inside the header box 13, the snow is piled up on the water absorber member 14. Because the snow is piled high on the frozen water absorber member 14, it can prevent the snow from melting and can also harden the snow. In this method, the snow that surrounds the cooling tube fe tube header 13 will not freeze. Before the new snow is piled up ', in this method, the old snow is melted by supplying the cooling line tube header 13 such as a heating medium of Gao Zhan air, and heating the water absorber member 14. When the snow is piled up in indoor or outdoor artificial skiing equipment in the manner shown above, the snowboarder can often be maintained in good condition. 'It can withstand tens of thousands of skis or snowboards per day, and can prevent Deterioration of the skiing action due to the loss of snow on the surface of the person who filled it. Because the snow is landfilled, avalanches do not occur even on a steep platform. The foregoing description is for the purpose of illustration only and does not limit the present invention. The Chinese National Standard (CNS) A4 specification (210X297 mm) is applied to the paper size 13- A7 B7 V. Description of the invention (11) The spirit of the invention and the description of the component numbers in the range can be changed and changed. Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and printed by the Industrial Cooperative Cooperative. 1 Platform 2 Drain tank 3 Snow cover 4 Tube header 5 Air jet outlet 6 Air supply Source 7 Thermal insulator 8 Path 9 Ventilation path or opening 10 Hole or orifice 11 Hoe 12 Heater 13 Cooling tube header 14 Water absorber member 15 Coolant supply source 16 Perforation 25 Air jet outlet ---.- -, -------------- Order ------- ^! 线 _ (Please read the note on the back before filling in this page) This paper size applies to Chinese national standards (CNS) A4 size (210 X 297 mm) -14-Correction page

Claims (1)

Called y 1 88.9.-6 --------------- Amended version 6. Scope of patent application (read the note on the back of the chair first-then fill out this page) I ~ Kind of K A method for preventing snow melting and filling in a snow ski in an artificial ski equipment includes spraying dry air into the snow cover to prevent the mildew and filling the snow cover with kappa. 2. As the method of claim 1 in the patent scope, in which the temperature of the air (t:) X and the temperature of the cypress U) y, all satisfy the following formula * * y ^ -5x +100 ~ 30g X ^ ίο y ^ 100. 3. The method according to item 1 of the scope of patent application, wherein the dry refining air is ejected through a tube header placed on a platform, and the tube header has a large number of ejection outlets. 4. The method according to item 2 of the patent application, wherein the dry air is ejected through a tube header placed on a platform. The tube header has a majority of ejection outlets. 5.-A method of preventing snow from melting and stacking a mold cover with K in an artificial ski equipment, including spraying low-temperature air from -30 1C to a temperature in the snow jacket. Printed by Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 6. If the method of applying for the scope of patent No. 5 is adopted, the low-temperature air is a flow per unit area of the snow at 5 to 100 liters / minute / square meter. At the rate, burst fire for 2 to 30 hours. 7. The method according to item 5 of the patent application, which further includes spraying the high-temperature air from 30 to 30 t after the low-temperature air is sprayed. 8. The method according to item 5 of the patent application, wherein the further Including the paper size applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 Public Love >), called y 1 88.9.-6 --------------- Amended version Patent scope (read the note on the back of the chair first, then fill in this page) I ~ A method of using K in a artificial ski equipment to prevent snow dissolution and landfilling, including spraying dry air into the snow cover The inner 'M prevents the mildew from dissolving and fills the snow cover with κ. 2. As the method of claim 1 of the patent scope, wherein the temperature of the air (t:) X and Yibai have a temperature U ) y, all satisfy the following formulas: * y ^ -5x +100 ~ 30g X ^ ίο y ^ 100. 3. The method according to item 1 of the scope of patent application, wherein the dry refining air is ejected through a tube header placed on a platform, and the tube header has a large number of ejection outlets. 4. The method according to item 2 of the patent application, wherein the dry air is ejected through a tube header placed on a platform. The tube header has a majority of ejection outlets. 5.-A method of preventing snow from melting and stacking a mold cover with K in an artificial ski equipment, including spraying low-temperature air from -30 1C to a temperature in the snow jacket. Printed by Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 6. If the method of applying for the scope of patent No. 5 is adopted, the low-temperature air is a flow per unit area of the snow at 5 to 100 liters / minute / square meter. At the rate, burst fire for 2 to 30 hours. 7. The method according to item 5 of the patent application, which further includes spraying the high-temperature air from 30 to 30 t after the low-temperature air is sprayed. 8. The method according to item 5 of the patent application, wherein the further Including the paper size applicable to China National Standard (CNS) A4 specifications (210 X 297 public love) 6. Application for patent scope A8 B8 C8 D8 Air temperature high degree temperature V ο 3 to V ο Air-air before 9 The temperature is low and the shot is sprayed. 0 In the air standard item 0 # δ ο I I Fan Yuli special, please apply air to the air as high as the temperature 9. The higher the law and the air _ the lower the air temperature should be to the snow Ruler, Fang Pingzhong / T ^ ± the rate of the product of the self-leveling level of the jig 3! Set on the application surface. ¾ The sheet 10 is smaller from each time ο 3 to the low temperature of the gas tank empty box. The, shot out, the spray box of the collection box of the spraying method, spraying 151, Fan Li specially asked Shen Rukou to shoot M Qi Shen empty. ¾ temperature, 11 high and the BBC 3W- Fan Li Zhuan please string such as the 7th or the lower air box of the air spray temperature. One in the tube, one in the upper part of the French Fang Ping is placed in the set by the warp system or the air jet temperature of the air jet, one in the tube, and the other one is in the top. Items in the spray 18 set Ϊ BSBT 33 Fan Li special application, such as < Please read the note on the back before filling in this page) There are many ft is t / box 集 gas collection tube. ¾ 温 12 High, the number of I HJ shot by the Department of Warcraft has more than a box of $ 0. The landfill and the snow melting stop are equipped with a snow slipper 1. The β_Ε species is used in M -------- -Order ------.— The cover of the bottom surface of the printed surface of the Intellectual Property Bureau of the Ministry of Economic Affairs, Shellfish Consumer Cooperative Co., Ltd. covers the outer surface of the snow, and the direction of the surface. The number of holes on the surface: The snow outside of the Sino-French cover is covered by snow from outside. Yu Η is in the air enclosing «jet air. 3« Ji air 3 is low after the temperature S1 is low — internal special. Milffi ^ ^ β Shen Xue ^ shoot this. ¾ The temperature of the spray bag is one step higher than the temperature, 30 to V in the V) method! Fang Zhi's self-shooting is set at 15 by air. The air-air temperature is low, and the item 9 of its method is 3 il. Fan Li specially requested to apply if the box header is used to collect the exit box box tube 1 above the flat surface. The paper size is applicable to the Chinese National Standard (CNS) A4 specification ( 210 X 297 mm) -2-VI. Many patent application scopes are covered by the Oral JI Department. Special shooting § | Gas I Please f Spray 3 Air application D temperature number 3 High range The air-air temperature is low. The method of the method in which the method is used is the box tube 1 above the Taiping Π. There is one more shot in the ΛΜ box. § > _ Use 0 i tube 1 and 7 f 1 to fill out the landfill. And melting-Snow stoper is equipped with snow slide man box collecting pipe; cold road should be: the tube cover is covered with cold parts for the construction method to lift the table on the side to absorb the flat water outside the K snow And • 9 boxes; the manifold tube structure tube collects cold water, which should be fed to the agent for freezing water cooling, it will collect the snow on the high structure R fiiiii ^ 0 suction m water application 0 as it is. 18 body absorbs water, among them 9 methods of law 7 1 The polymer aggregate absorbs and absorbs water. 1 series of components of the fake agent is frozen and frozen. Among them, 9 of the method 8 11th 33 Fan Lizhuan. If you want to test the acrylic propylene freeze-cold connection. 1 The mesostructure group group absorbs the alcohol and the alcohol. The degree of acetic acid and warm air V // the temperature is from S to V and the thick denomination ο 4 to ο 3 have a combination (please read first Note on the back, please fill out this page again.) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, the Consumer Cooperatives, and filled with snow and melted snow, and prepared snow skids. 1 K kit box 0 Tubes: For one pack, several tubes on the upper stage are covered with one flat cover and the external snow is emitted. The air temperature should be high or the air temperature should be low. The source should be supplied with air and air. The number of items in the installation is 2 2 Fan Li specially asks if the paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 public love) -3-A8B8C8D8 The majority of the jets placed at the header Exit. 22. For example, the device of claim 20 of the patent fan garden, in which the header box is in the form of a warp and covered by a thermal insulator, the thermal insulation system is composed of polystyrene and polyamide sponge. Selected from the group; the jet outlets have a diameter of less than 10 mm, and the distance between the jet outlets is less than 1,000 mm. 23. The device according to item 20 of the patent application, wherein the ejection outlet is a type of protruding nozzle with $-or more perforation through the nozzle. 24. A device for preventing snow from melting and filling a snow cover in an artificial ski equipment, comprising: a cold & pipe header box placed on a platform, covering the cooling pipe header A water absorber member of the tank and a refrigerant supply source supply a refrigerant to the cooling pipe header. 25. For the device in the scope of application for patent No. 24, wherein * the refrigerant is selected from the group consisting of free low-temperature air and ethylene glycol, the refrigerant is at a temperature of -30¾ to Ot :; and the water absorber The component is a cross-linked polypropylene frame and has a thickness of 30 to 40 cm. IKH .-------- install ------ (Please read the note # on the back before filling this page) Order ----- | * |! _ Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs The paper size for printing is applicable to China National Standard (CNS) A4 (210 X 297 mm) -4-