CN113883769A - Snow making system applying ultrasonic coagulation tank and control method - Google Patents
Snow making system applying ultrasonic coagulation tank and control method Download PDFInfo
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- CN113883769A CN113883769A CN202111101510.4A CN202111101510A CN113883769A CN 113883769 A CN113883769 A CN 113883769A CN 202111101510 A CN202111101510 A CN 202111101510A CN 113883769 A CN113883769 A CN 113883769A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
- F25C3/04—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for sledging or ski trails; Producing artificial snow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2303/00—Special arrangements or features for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Special arrangements or features for producing artificial snow
- F25C2303/048—Snow making by using means for spraying water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2600/00—Control issues
- F25C2600/04—Control means
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Abstract
The invention discloses a snow making system applying an ultrasonic coagulation tank and a control method, wherein the snow making system comprises a nozzle, an air cylinder, a big fan, a small fan, a water pump, the ultrasonic coagulation tank, a refrigeration system, an ultrasonic transducer, a control module and a snow floating port, and the ultrasonic coagulation tank is arranged in a circulating water path of a snow making machine and used for supercooling and freezing water supply; the snow making system can be divided into two operation modes of low temperature and high temperature, when the temperature of an environment wet bulb is lower than minus 2 ℃, the operation mode corresponds to the low temperature mode, high-pressure cold water is directly sprayed and atomized through a nozzle to form fine water drops and then is frozen into ice crystals to grow into snowflakes, when the temperature of the environment wet bulb is not lower than minus 2 ℃, the operation mode corresponds to the high temperature mode, an ultrasonic wave coagulating tank is started to carry out ultrasonic freezing on the supercooled water, so that a water body is frozen into the small ice crystals, and the ice crystals collide with the water drops sprayed out from the nozzle to form snow. The invention realizes artificial snow making in the environment of subzero low temperature, effectively improves the snow making speed and the snow making quality, and provides a new idea for the structure optimization of the snow making machine.
Description
Technical Field
The invention belongs to the technical field of snow makers, and particularly relates to a snow making system applying an ultrasonic wave coagulating tank and a control method.
Technical Field
The snow maker, as an artificial snow making device for providing stable snow resources, has been one of the indispensable equipments for guaranteeing the operation of the ski field in winter. Traditional snow-making machine needs under lower wet bulb temperature, sprays high pressure cold water atomizing and forms tiny water droplet, freezes into the ice crystal nucleus with the environment heat transfer rapidly, again with the water droplet collision combination, blow to the growth in the air by the air-blower and form the snowflake. The snow making equipment has high requirements on the temperature and the humidity of the environment, the artificial snow can be made only in the range of the wet bulb temperature of-14 to-2 ℃, and the snow quality is greatly influenced by the temperature and the humidity of the environment. Therefore, in order to adapt to the snow making environment at the subzero low temperature and further improve the snow making effect of the snow making machine, the snow making machine needs to be structurally optimized, so that the snow making machine can make snow under more working conditions.
Disclosure of Invention
The invention aims to realize artificial snow making in a subzero low-temperature environment and improve the snow making speed and the snow making quality.
An ultrasonic wave coagulating tank is a device for freezing supercooled water by utilizing ultrasonic wave cavitation effect. The cavitation effect of the ultrasonic wave refers to the process that micro bubble nuclei in the liquid are activated, grow, oscillate and break under the action of the ultrasonic wave. During ultrasonic freezing, on one hand, cavitation bubbles can act as primary ice nuclei, and on the other hand, mechanical force generated by the collapse of the cavitation bubbles can break the generated ice crystals into smaller sizes, and the ice crystals act as primary ice nuclei again. The ultrasonic freezing can effectively improve the freezing speed, shorten the freezing time, increase the nucleation rate in the supercooling stage, generate smaller and uniform ice crystals, induce nucleation at higher temperature, greatly reduce the supercooling degree of water and have good effect on improving the size and distribution of the ice crystals.
When the temperature of the environmental wet bulb is lower than minus 2 ℃, the ultrasonic coagulation tank is closed, high-pressure cold water is directly sprayed and atomized through a nozzle to form fine water drops, then the fine water drops are frozen to form ice crystal nuclei, and then the ice crystal nuclei are blown into the air by a blower to grow into snowflakes. When the temperature of the environment wet bulb is not lower than minus 2 ℃, the ultrasonic wave coagulating tank is started to carry out ultrasonic freezing on the supercooled water, so that after the water body is frozen into small ice crystals, the redundant water is firstly discharged back to the water pump through a water outlet in the tank, then the fan is started to blow the crystals in the tank into the wind barrel, and the big fan is started to make the ice crystals collide with water drops sprayed by the nozzle to grow into snowflakes. The control module can also realize the quick start, the automatic stop and the reliable and efficient continuous operation of the coagulation tank.
The invention realizes artificial snow making in the environment of subzero low temperature, can effectively improve the snow making speed and the snow making quality, and provides a new idea for the structure optimization of the snow making machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a snow making system applying an ultrasonic coagulation tank comprises a nozzle 1, an air cylinder 2, a large fan 3, a small fan 4, a water pump 5, an ultrasonic coagulation tank 6, a refrigerating system 7, an ultrasonic transducer 8, a control module 9 and a snow floating port 10; the connection relation of the above components is as follows: the nozzles 1 are uniformly distributed on the inner side of the air duct body 2 and are used for spraying atomized water drops to form ice crystals, and the water inlets of the nozzles 1 are connected with a first outlet L1 of the water pump 5; the big fan 3 is positioned at the tail part of the wind cylinder body 2 and is used for blowing the ice crystals and the atomized water drops into the air; the snow floating port 10 is a through hole formed in the air cylinder body 2 to communicate the air cylinder body 2 with the ultrasonic solidification tank 6, and the small fan 4 is arranged below the ultrasonic solidification tank 6 and used for blowing ice crystals generated by ultrasonic oscillation into the air cylinder body 2 through the snow floating port 10; the water pump 5 is used for providing high-pressure cold water, and an outlet of the water pump 5 is divided into a first outlet L1 and a second outlet L2; the water inlet of the ultrasonic coagulation tank 6 is connected with a second outlet L2 of the water pump 5, and the redundant water is discharged back to the water pump 5 to form a water supply loop; the ultrasonic transducers 8 are uniformly arranged on the inner wall surface of the ultrasonic coagulation tank 6 and used for providing ultrasonic oscillation with stable frequency; the refrigerating system 7 is connected with the ultrasonic coagulation tank 6 and provides a low-temperature environment for the ultrasonic coagulation tank 6; the control module 9 is connected with the large fan 3, the small fan 4, the water pump 5, the refrigerating system 7 and the ultrasonic transducer 8 and controls the operation mode of the snow making system.
The iron plate at the bottom of the ultrasonic solidification tank 6 can be detached, and the inner side of the ultrasonic solidification tank is provided with a net-shaped supporting structure, so that ice crystals are prevented from falling.
The ultrasonic transducers 8 are uniformly arranged on the inner wall surface of the ultrasonic coagulation tank 6.
According to the control method of the snow making system applying the ultrasonic coagulation tank, the control module 9 controls the snow making system to be divided into a low-temperature mode operation and a high-temperature mode operation, wherein the low-temperature mode corresponds to the environment wet bulb temperature being lower than minus 2 ℃, and the high-temperature mode corresponds to the environment wet bulb temperature being not lower than minus 2 ℃; the method comprises the following specific steps:
when the snow making system is started in the low-temperature mode, the control module 9 is used for controlling the large fan 3 and the water pump 5 to be started, the first outlet L1 of the water pump is started, and the small fan 4, the refrigerating system 7, the second outlet L2 of the water pump and the ultrasonic transducer 8 are closed; high-pressure cold water provided by the water pump 5 is directly conveyed to the nozzle 1 through the first outlet L1, is sprayed and atomized to form fine water drops, is frozen to form ice crystal nuclei, and is blown into the air by the big fan 3 to grow into snowflakes;
when the high-temperature mode is operated, the supercooled water is disturbed by using the ultrasonic transducer 8 in the ultrasonic coagulation tank 6, so that the supercooled water is rapidly crystallized to form ice crystals; the specific process is as follows:
step 1: after the snow making system is started, the control module 9 controls the water pump 5 to be started, the second outlet L2 of the water pump is started, the water pump 5 provides cold water for the ultrasonic coagulation tank 6, and the water quantity is monitored;
step 2: after the cold water is injected, a refrigerating system 7 is started to supercool the water in the ultrasonic coagulation tank 6, and when the temperature in the ultrasonic coagulation tank reaches a preset value, an ultrasonic transducer 8 is started to perform ultrasonic oscillation on the water in the ultrasonic coagulation tank 6, so that the water in the tank is frozen into ice crystals;
and step 3: after the ultrasonic treatment is finished, a water discharge opening of the ultrasonic coagulation tank 6 is opened, and redundant water is discharged back to the water pump 5 through the water discharge opening;
and 4, step 4: opening an iron plate at the bottom of the ultrasonic coagulation tank 6, starting the small fan 4 and the large fan 3, and starting a first outlet L1 of the water pump; the ice crystals that little fan 4 will form blow into wind barrel 2 through snowing mouth 10, and rethread big fan 3 blows the dryer export with tiny ice crystals drum, and the high pressure cold water that the water pump provided simultaneously is carried for nozzle 1 through the first export L1 of water pump, and tiny ice crystals combines with the water droplet collision of nozzle spun, promotes little ice crystal growth to the realization is made snow.
The snow making system sets different operation levels of 20 liters, 40 liters, 60 liters, 80 liters and 100 liters according to water yield data provided by the water pump, and can select and set automatic stop, continuous operation or manual operation.
Compared with the prior art, the invention has the following obvious advantages:
1) the invention provides a snow making system applying an ultrasonic wave coagulating tank and a control method, which can realize artificial snow making in a subzero low temperature environment and can effectively improve the snow making rate and the snow making quality;
2) the device adopts two operation modes of a low-temperature mode and a high-temperature mode, and is suitable for various environment working conditions.
Drawings
FIG. 1 is a schematic view showing a structure of a snow making system using an ultrasonic coagulation vessel according to the present invention.
FIG. 2 is a schematic view showing the arrangement of nozzles of the snow making system using the ultrasonic coagulation vessel according to the present invention.
FIG. 3 is a schematic view of the bottom of an ultrasonic coagulation tank of a snow making system using the ultrasonic coagulation tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and concise, the present invention will be described in further detail with reference to the accompanying drawings and an embodiment. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1, 2 and 3, the snow making system using the ultrasonic coagulation tank of the present invention comprises a nozzle 1, an air cylinder 2, a large fan 3, a small fan 4, a water pump 5, an ultrasonic coagulation tank 6, a refrigeration system 7, an ultrasonic transducer 8, a control module 9 and a snow floating port 10, as shown in fig. 1. The nozzles 1 are uniformly arranged on the inner side of the air duct body 2 and are used for spraying atomized water drops to form ice crystals, as shown in fig. 2. The water inlet of the nozzle 1 is connected to a first 5 outlet L1 of the water pump. The big fan 3 is arranged at the tail part of the wind cylinder body 2 and is used for blowing the ice crystals and the atomized water drops into the air. The snow floating port 10 is a through hole formed in the air duct body 2 to communicate the air duct body 2 with the ultrasonic coagulation tank 6, and the small fan 4 is arranged below the ultrasonic coagulation tank 6 and used for blowing ice crystals generated by ultrasonic oscillation into the air duct body 2 through the snow floating port 10. The water pump 5 is used for providing high-pressure cold water, and an outlet of the water pump 5 is divided into a first outlet L1 and a second outlet L2. The water inlet of the ultrasonic coagulation tank 6 is connected with the second outlet L2 of the water pump 5, the redundant water is discharged back to the water pump 5 to form a water supply loop, the iron plate at the bottom of the ultrasonic coagulation tank 6 can be detached, and the inner side of the tank is provided with a net-shaped supporting structure, as shown in fig. 3. The ultrasonic transducers 8 are uniformly arranged on the inner wall surface of the ultrasonic coagulation tank 6 and used for providing ultrasonic oscillation with stable frequency. The refrigeration system 7 provides a low temperature environment for the ultrasonic coagulation tank 6. The control module 9 is connected with the large fan 3, the small fan 4, the water pump 5, the refrigerating system 7 and the ultrasonic transducer 8 and controls the operation mode of the snow making system.
The control module 9 controls the snow making system to be divided into a low-temperature mode operation and a high-temperature mode operation, wherein the low-temperature mode corresponds to the environment wet bulb temperature being lower than minus 2 ℃, and the high-temperature mode corresponds to the environment wet bulb temperature being not lower than minus 2 ℃.
When the low-temperature mode is operated, the operation flow is as follows:
step 1: after the snow making system is started, the control module 9 controls the large fan 3 and the water pump 5 to be started, the first outlet L1 of the water pump is started, and the small fan 4, the refrigerating system 7, the second outlet L2 of the water pump and the ultrasonic transducer 8 are closed;
step 2: high-pressure cold water provided by the water pump 5 is directly conveyed to the nozzle 1 through a first outlet L1 of the water pump, is sprayed and atomized to form fine water drops, is frozen to form ice crystal nuclei, and is blown into the air by the big fan 3 to grow into snowflakes.
When the high-temperature mode is operated, the supercooled water is disturbed by the ultrasonic transducer 8 in the ultrasonic coagulation tank 6, so that the supercooled water is rapidly crystallized to form ice crystals. The operation flow is as follows:
step 1: after the snow making system is started, the control module 9 controls the water pump 5 to be started, the second outlet L2 of the water pump is started, the water pump 5 supplies cold water to the ultrasonic coagulation tank 6, and the water quantity is monitored.
Step 2: after the cold water is injected, a refrigerating system 7 is started to supercool the cold water in the ultrasonic coagulation tank 6, and when the temperature in the ultrasonic coagulation tank reaches 0 ℃ (assuming that the relative humidity is 50%, the temperature of a wet bulb is lower than 2 ℃), an ultrasonic transducer 8 is started to carry out ultrasonic oscillation on the cold water in the ultrasonic coagulation tank 6, so that the internal water body is frozen into ice crystals.
And step 3: after the ultrasonic treatment is finished, a water discharge opening of the ultrasonic coagulation tank 6 is opened, and redundant water is discharged back to the water pump 5 through the water discharge opening.
And 4, step 4: and opening an iron plate at the bottom of the ultrasonic solidification tank 6, starting the small fan 4 and the large fan 3, and starting a first outlet L1 of the water pump. The ice crystals that little fan 4 will form blow into wind barrel 2 through snowing mouth 10, and rethread big fan 3 blows the dryer export with tiny ice crystals drum, and the high pressure cold water that the water pump provided simultaneously is carried for nozzle 1 through the first export L1 of water pump, and tiny ice crystals combines with the water droplet collision of nozzle spun, promotes little ice crystal growth to the realization is made snow.
The snow making system sets different operation levels of 20 liters, 40 liters, 60 liters, 80 liters, 100 liters and the like according to water yield data provided by the water pump, and can also select automatic stop or continuous operation, manual operation and the like.
Claims (5)
1. A snow making system applying an ultrasonic coagulation tank is characterized in that: comprises a nozzle (1), an air cylinder body (2), a big fan (3), a small fan (4), a water pump (5), an ultrasonic coagulating tank (6), a refrigerating system (7), an ultrasonic transducer (8), a control module (9) and a snow floating port (10); the connection relation of the above components is as follows: the nozzles (1) are uniformly distributed on the inner side of the air duct body (2) and are used for spraying atomized water drops to form ice crystals, and the water inlets of the nozzles (1) are connected with a first outlet (L1) of the water pump (5); the big fan (3) is positioned at the tail part of the air cylinder body (2) and is used for blowing the ice crystals and the atomized water drops into the air; the snow floating port (10) is a through hole formed in the air cylinder body (2) to communicate the air cylinder body (2) with the ultrasonic solidification tank (6), and the small fan (4) is arranged below the ultrasonic solidification tank (6) and used for blowing ice crystals generated by ultrasonic oscillation into the air cylinder body (2) through the snow floating port (10); the water pump (5) is used for providing high-pressure cold water, and an outlet of the water pump (5) is divided into a first outlet (L1) and a second outlet (L2) which are branched; the water inlet of the ultrasonic coagulation tank (6) is connected with a second outlet (L2) of the water pump (5), and redundant water is discharged back to the water pump (5) to form a water supply loop; the ultrasonic transducers (8) are uniformly arranged on the inner wall surface of the ultrasonic coagulation tank (6) and are used for providing ultrasonic oscillation with stable frequency; the refrigeration system (7) is connected with the ultrasonic coagulation tank (6) and provides a low-temperature environment for the ultrasonic coagulation tank (6); the control module (9) is connected with the big fan (3), the small fan (4), the water pump (5), the refrigerating system (7) and the ultrasonic transducer (8) and controls the operation mode of the snow making system.
2. The snow making system using the ultrasonic coagulation tank as claimed in claim 1, wherein: the iron plate at the bottom of the ultrasonic solidification tank (6) can be detached, and the inner side of the ultrasonic solidification tank is provided with a net-shaped supporting structure, so that ice crystals are prevented from falling.
3. The snow making system using the ultrasonic coagulation tank as claimed in claim 1, wherein: the ultrasonic transducers (8) are uniformly arranged on the inner wall surface of the ultrasonic coagulation tank (6).
4. A control method of a snow making system using an ultrasonic coagulation tank as claimed in any one of claims 1 to 3, wherein: the control module (9) controls the snow making system to be divided into a low-temperature mode operation and a high-temperature mode operation, wherein the low-temperature mode corresponds to the environment wet bulb temperature being lower than minus 2 ℃, and the high-temperature mode corresponds to the environment wet bulb temperature being not lower than minus 2 ℃; the method comprises the following specific steps:
when the snow making system is operated in the low-temperature mode, after the snow making system is started, the control module (9) is used for controlling the large fan (3) and the water pump (5) to be started, the first outlet (L1) of the water pump is started, and the small fan (4), the refrigerating system (7), the second outlet (L2) of the water pump and the ultrasonic transducer (8) are closed; high-pressure cold water provided by the water pump (5) is directly conveyed to the nozzle (1) through the first outlet (L1), is sprayed and atomized to form fine water drops, is frozen to form ice crystal nuclei, and is blown into the air by the large fan (3) to grow into snowflakes;
when the high-temperature mode is operated, the supercooled water is disturbed by using an ultrasonic transducer (8) in an ultrasonic coagulation tank (6) and is rapidly crystallized to form ice crystals; the specific process is as follows:
step 1: after the snow making system is started, firstly, the control module (9) controls the water pump (5) to be started, a second outlet (L2) of the water pump is started, the water pump (5) provides cold water for the ultrasonic coagulation tank (6), and the water quantity is monitored;
step 2: after the cold water is injected, a refrigerating system (7) is started to supercool the cold water in the ultrasonic coagulation tank (6), and when the temperature in the ultrasonic coagulation tank reaches a preset value, an ultrasonic transducer (8) is started to carry out ultrasonic oscillation on the cold water in the ultrasonic coagulation tank (6), so that the internal water body is frozen into ice crystals;
and step 3: after the ultrasonic treatment is finished, a water drainage opening of the ultrasonic coagulation tank (6) is opened, and redundant water is drained back to the water pump (5) through the water drainage opening;
and 4, step 4: opening an iron plate at the bottom of the ultrasonic solidification tank (6), starting the small fan (4) and the large fan (3), and starting a first outlet (L1) of the water pump; the ice crystal that little fan (4) will form blows into wind barrel (2) through snowing mouth (10), and rethread big fan (3) blow to the dryer export with tiny ice crystal drum, and the high pressure cold water that the water pump provided simultaneously is carried for nozzle (1) through first export (L1) of water pump, and tiny ice crystal combines with nozzle spun water droplet collision, promotes little ice crystal growth to the realization is made snow.
5. The control method according to claim 4, characterized in that: the snow making system sets different operation levels of 20 liters, 40 liters, 60 liters, 80 liters and 100 liters according to water yield data provided by the water pump, and can select and set automatic stop, continuous operation or manual operation.
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| CN202111101510.4A CN113883769B (en) | 2021-09-18 | 2021-09-18 | Snow making system applying ultrasonic coagulation tank and control method |
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| CN202111101510.4A CN113883769B (en) | 2021-09-18 | 2021-09-18 | Snow making system applying ultrasonic coagulation tank and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046342A (en) * | 2022-07-26 | 2022-09-13 | 西安交通大学 | Ice slurry snow making machine and control method |
| CN116928920A (en) * | 2023-08-24 | 2023-10-24 | 中山市三震制冷科技有限公司 | Snow maker and control method |
| CN116928920B (en) * | 2023-08-24 | 2024-06-04 | 中山市三震制冷科技有限公司 | Snow maker and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257916A (en) * | 1993-03-02 | 1994-09-16 | Kajima Corp | Artificial snow falling device and method |
| JP2020165635A (en) * | 2019-03-26 | 2020-10-08 | エスペック株式会社 | Snowfall device, artificial weather chamber and snowfall method |
| CN113008585A (en) * | 2021-02-01 | 2021-06-22 | 西安交通大学 | Artificial snow spraying and nucleation generating device, control method and test method |
| CN113237261A (en) * | 2021-04-23 | 2021-08-10 | 西安交通大学 | Ultrasonic snow making machine applied to variable environmental temperature and control method |
-
2021
- 2021-09-18 CN CN202111101510.4A patent/CN113883769B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257916A (en) * | 1993-03-02 | 1994-09-16 | Kajima Corp | Artificial snow falling device and method |
| JP2020165635A (en) * | 2019-03-26 | 2020-10-08 | エスペック株式会社 | Snowfall device, artificial weather chamber and snowfall method |
| CN113008585A (en) * | 2021-02-01 | 2021-06-22 | 西安交通大学 | Artificial snow spraying and nucleation generating device, control method and test method |
| CN113237261A (en) * | 2021-04-23 | 2021-08-10 | 西安交通大学 | Ultrasonic snow making machine applied to variable environmental temperature and control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046342A (en) * | 2022-07-26 | 2022-09-13 | 西安交通大学 | Ice slurry snow making machine and control method |
| CN116928920A (en) * | 2023-08-24 | 2023-10-24 | 中山市三震制冷科技有限公司 | Snow maker and control method |
| CN116928920B (en) * | 2023-08-24 | 2024-06-04 | 中山市三震制冷科技有限公司 | Snow maker and control method |
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| CN113883769B (en) | 2023-04-11 |
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