CN114111143B - Atomization device for snow maker and atomization method thereof - Google Patents

Atomization device for snow maker and atomization method thereof Download PDF

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Publication number
CN114111143B
CN114111143B CN202111245117.2A CN202111245117A CN114111143B CN 114111143 B CN114111143 B CN 114111143B CN 202111245117 A CN202111245117 A CN 202111245117A CN 114111143 B CN114111143 B CN 114111143B
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Prior art keywords
inlet channel
water inlet
pressure
atomizing device
pressure water
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CN114111143A (en
Inventor
徐荣吉
雷涛鸣
张博文
王瑞祥
吴海峰
崔桢
张鸿俊
辛山
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • 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
    • F25C2303/0481—Snow making by using means for spraying water with the use of compressed air

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)

Abstract

The invention discloses an atomizing device for a snowmaker and an atomizing method thereof, belonging to the technical field of snowmakers and comprising an atomizing device, wherein the atomizing device comprises a shell and an inner core, the shell is sleeved on the outer surface of the inner core, and the bottom of the inner core is provided with a water inlet channel, wherein the central area of the water inlet channel is a low-pressure water inlet channel, and the peripheral area of the water inlet channel is a high-pressure water inlet channel; the high-pressure water inlet channel is communicated with the annular liquid film outlet to form a nozzle; air inlet channel has been seted up to shell one side, and central spout has been seted up to inlet channel front end central point department of putting, and inlet channel, central spout all are linked together with low pressure inlet channel, form the nucleon ware. The invention combines the nozzle and the nuclear device to form the atomizing device, solves the waste caused by improper mutual coupling when the nuclear device and the nozzle are independently arranged, improves the atomizing and snowing effects, has compact integral structure, solves the problem of large occupied area, and can arrange a plurality of atomizing devices to increase the snowmaking amount and improve the snow quality.

Description

Atomization device for snow making machine and atomization method thereof
Technical Field
The invention belongs to the technical field of snow makers, and particularly relates to an atomization device and an atomization method for a snow maker.
Background
Both the nozzle and the nucleon device are atomizing devices, and are mostly used on the snow making machine independently, wherein the nozzle: the water is atomized only by the centrifugal force generated by the internal structure and the pressure provided by the water pump, the size of the generated liquid drops is larger, the flow rate is also larger, and if the liquid drops generated by the nozzle only need to exchange heat with the air and ice, the longer heat exchange time is needed, and the higher supercooling degree difficulty is larger; the nucleon ware passes through air water interact, utilizes highly-compressed air helping hand, and the particle diameter that can greatly reduced atomizing granule is so that can quick heat transfer freeze, nevertheless because the liquid drop particle diameter is less, the flow is lower, hardly satisfies required snow volume and snow matter.
And when the nucleon device and the nozzle are independently arranged, the occupied area is large, and resources are wasted due to improper mutual coupling.
It follows that it is necessary to use the nozzle and the nucleon in conjunction in an efficient manner.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an atomizing device for a snow maker and an atomizing method thereof, wherein the atomizing device is formed by combining the functions of a nucleon and a nozzle, the problems in the background art are solved, the atomizing and snow forming effects are improved, and the invention provides the following technical scheme for realizing the purpose:
an atomizing device for a snow making machine comprises an atomizing device, wherein the atomizing device comprises an outer shell and an inner core, the outer shell is sleeved on the outer surface of the inner core, a water inlet channel is formed in the bottom of the inner core, a liquid separating structure is arranged in the water inlet channel, and the water inlet channel is divided into double-layer channels through the liquid separating structure;
wherein, the central area of the water inlet channel is a low-pressure water inlet channel, and the peripheral area of the water inlet channel is a high-pressure water inlet channel;
the high-pressure water inlet channel is communicated with an annular liquid film outlet distributed on the side surface of the end part of the inner core and is used for forming a nozzle of the atomizing device;
the air inlet channel is formed in one side of the shell, the central nozzle is formed in the center of the front end of the water inlet channel, and the air inlet channel and the central nozzle are communicated with the low-pressure water inlet channel to form a nuclear device of the atomization device.
Preferably, the liquid separating structure is a pressure reducing block, liquid separating holes and pressure reducing holes are formed in the pressure reducing block, the liquid separating holes are formed in two sides of the pressure reducing block and communicated with the high-pressure water inlet channel, and the pressure reducing holes are formed in the top of the pressure reducing block and communicated with the low-pressure water inlet channel and used for reducing high-pressure water into low-pressure water;
the outer surface of the pressure reducing block is in a thread shape.
Preferably, the air inlet channel is arranged above the liquid separating structure, and the air inlet end is obliquely arranged towards the central spout.
Preferably, an air inlet hole matched with the air inlet channel is formed in one side of the water inlet channel, and the air inlet hole integrally penetrates through the inner core and the water inlet channel to be communicated with the low-pressure water inlet channel.
Preferably, the water inlet channel is provided with water inlet holes matched with the liquid separating holes, and the water inlet holes respectively and integrally penetrate through the water inlet channel and the inner core to be communicated with the high-pressure water inlet channel.
Preferably, the central spout outlet and the annular liquid film outlet are arranged on the same horizontal plane.
Preferably, the annular liquid film outlet is composed of a plurality of concave spiral lines, and the plurality of concave spiral lines extend from the side surface of the inner core to the end surface of the inner core and are distributed. Preferably, the low pressure feed water
The channel is divided into a section A and a section B, wherein the section A is cylindrical, the section B is conical, and the inner diameter of the section B gradually increases from the top to the bottom.
Preferably, the inner core is in a bolt shape in threaded connection with the outer shell. Preferably, the atomization device is made of stainless steel.
An atomization method of an atomization device for a snow making machine comprises the following steps:
s1, mounting a plurality of atomization devices on a snow making machine in a uniform annular array mode; s2,
Respectively communicating a low-pressure water inlet channel and a high-pressure water inlet channel of a water inlet channel with a high-pressure and low-pressure water supply waterway of the snow maker, and communicating a gas inlet channel with a high-pressure gas circuit of the snow maker;
s3, mixing low-pressure water in the low-pressure water inlet channel with high-pressure air introduced into the air inlet channel in the low-pressure water inlet channel, and spraying the mixed air-water mixture from a central nozzle;
and S4, directly spraying single-phase high-pressure inlet water in the high-pressure water inlet channel from the annular liquid film outlet under the action of pressure difference and atomizing.
Compared with the prior art, the invention has the following beneficial effects:
an atomizing device for a snow maker is formed by combining a nozzle and a nucleon device, so that finer liquid drops can be provided as a condensation core, and liquid drops with large particle size can be provided to meet the requirement of larger snow making amount, and the nozzle and the nucleon device are matched with each other to avoid the condition of resource waste caused by improper mutual coupling when the nozzle and the nucleon device are independently arranged; meanwhile, as the whole structure is compact, more atomizing devices can be arranged in the snow making machine to increase the snow making quantity so as to ensure the snow quality, and the problem of large occupied area is solved on the one hand.
An atomization method of an atomization device for a snow-making machine is characterized in that a plurality of atomization devices are arranged on the snow-making machine in a uniform annular array mode, when a gas-water mixture is sprayed out from a central nozzle through a low-pressure water inlet channel, liquid drops with smaller diameters are generated and quickly freeze a condensation core, and the condensation core collides with high-pressure water sprayed out from an annular liquid film outlet to generate cold liquid drops with larger diameters, so that the cold liquid drops are quickly frozen; on the other hand, the water vapor generated in the vicinity of the individual ice particle absorbing nozzle further grows into snow, and the amount of the snow produced is increased to improve the quality of the snow.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a perspective view of the overall structure of the present embodiment;
FIG. 2 is an exploded perspective view of the entire structure of the present embodiment;
FIG. 3 is a front sectional view of the present embodiment;
FIG. 4 is a side sectional view of the present embodiment;
FIG. 5 is a reference view showing the structure of the core according to the present embodiment;
FIG. 6 is a reference diagram of the structure of the pressure reducing block.
Reference numerals:
100-an atomizing device;
110-a housing;
120-inner core;
130-a water inlet channel; 131-a low-pressure water inlet channel; 132-high pressure water inlet channel; section 133-A, section 134-B;
140-liquid separation structure; 141-pressure reducing blocks; 142-a dispensing well; 143-a pressure reducing well;
150-annular liquid film outlet; 151-concave type spiral line;
160-an intake passage;
170-central spout;
180-air inlet holes;
190-water inlet hole;
200-external thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, an atomizing device for a snow making machine includes an atomizing device 100, the atomizing device 100 includes an outer shell 110 and an inner core 120, the outer shell 110 is sleeved on an outer surface of the inner core 120, wherein a water inlet channel 130 is formed at a bottom of the inner core 120, and the water inlet channel 130 extends from the bottom to a top; a liquid separating structure 140 is arranged in the water inlet channel 130, and the water inlet channel 130 is divided into double-layer channels through the liquid separating structure 140;
the central area of the water inlet channel 130 is a low-pressure water inlet channel 131 for containing low-pressure water, and the peripheral area is a high-pressure water inlet channel 132 for containing high-pressure water; wherein the peripheral region is formed by the gap between the inner core 120 and the outer shell 110;
the high-pressure water inlet channel 132 is communicated with the annular liquid film outlet 150 distributed on the side surface of the end part of the inner core 120 to form a nozzle of the atomizing device 100;
the air inlet passage 160 is opened on one side of the outer shell 110, the central nozzle 170 is opened at the central position of the front end of the water inlet passage 130, and the air inlet passage 160 and the central nozzle 170 are both communicated with the low-pressure water inlet passage 131 to form a nuclear reactor of the atomizing device 100.
As an embodiment of the present invention, the liquid separating structure 140 is a pressure reducing block 141, the pressure reducing block 141 is provided with liquid separating holes 142 and pressure reducing holes 143, the liquid separating holes 142 are disposed on two sides of the pressure reducing block 141 and are communicated with the high-pressure water inlet channel 132, the pressure reducing holes 143 are disposed on the top of the pressure reducing block 141 and are communicated with the low-pressure water inlet channel 131, and the pressure reducing holes 143 are disposed above the liquid separating holes 142 to ensure that a gap outside the water inlet channel 130 is a high-pressure fluid and a low-pressure fluid inside the water inlet channel causes the liquid and the air to be fully mixed;
the outer surface of the pressure reducing block 141 is threaded, so that the friction area between the pressure reducing block and the water inlet channel 130 is increased, and displacement is prevented.
In an embodiment of the present invention, the gas inlet channel 160 is disposed above the liquid separating structure 140, and the gas inlet end is disposed obliquely toward the central nozzle 170, so as to ensure that the gas rotates and circulates in the gas inlet channel 160 to the water inlet channel 130.
As an embodiment of the present invention, an air inlet hole 180 matched with the air inlet channel 160 is arranged on one side of the water inlet channel 130, the air inlet hole 180 integrally penetrates through the inner core 120, the water inlet channel 130 and the low pressure water inlet channel 131, and air enters the low pressure water inlet channel 131 through the air inlet channel 160 and the air inlet hole 180.
As an embodiment of the present invention, the water inlet channel 130 is provided with a water inlet hole 190 matched with the liquid separating hole 142, the water inlet hole 190 respectively and integrally penetrates the water inlet channel 130, the inner core 120 and the high-pressure water inlet channel 132, a part of the liquid is divided into the high-pressure water inlet channel 132 through the liquid separating hole 142 and the water inlet hole 190, and a part of the liquid enters the low-pressure water inlet channel 131 through the pressure reducing hole 143.
As an embodiment of the invention, the outlet of the central nozzle 170 and the annular liquid film outlet 150 are arranged in the same horizontal plane, which can ensure that the atomizing outlets of the annular liquid film outlet 150 and the central nozzle 170 face the same direction, and avoid the problem that the direction of snow generation is difficult to control and the amount of snow generation in the same area can not be ensured due to the inconsistent directions of the water liquid atomizing outlets of the annular liquid film outlet 150 and the central nozzle 170.
As an embodiment of the invention, the annular liquid film outlet 150 is composed of four inward-concave spirals 151, the inward-concave spirals 151 are arranged to provide a certain tangential force to the liquid, and the assisting liquid film outlet is broken into liquid drops, the four inward-concave spirals 151 extend from the side surface of the inner core 120 to the end surface of the inner core and are distributed into inward-concave annular outlets, so that an external high-pressure liquid film flows to the inner center under the action of adherence and is concentrated in the direction of the central nozzle 170, the inner liquid drop and the outer liquid drop are ensured to have higher probability of collision, and cold liquid drops with larger diameters are generated and are quickly condensed into ice.
As an embodiment of the present invention, the low pressure water inlet channel 131 is divided into a section A133 and a section B134, the section A133 is cylindrical, the section B134 is conical, the inner diameter of the section B increases gradually from the top to the bottom, the section A133 is arranged to facilitate the collection of the mixed gas, and the section B134 is arranged to facilitate the concentration of the mixed gas and the ejection of the mixed gas through the central nozzle 170.
The inner core 120 is in a bolt shape in threaded connection with the outer shell 110, the structure is compact, the outer thread 200 is arranged at the lower end of the outer shell 110, so that the atomizing device 100 can be conveniently installed on the snow making machine in a threaded screwing mode, the outer thread 200 is arranged at the lower end of the inner core 120 and in threaded connection with the outer shell 110, and the attaching degree of the inner core 120 and the outer shell 110 is increased.
In one embodiment of the present invention, the atomizing device 100 is made of stainless steel, and the atomizing device 100 made of stainless steel has high corrosion resistance, high wear resistance, and high compressive strength.
An atomization method of an atomization device for a snowmaking machine comprises the following steps:
s1, mounting a plurality of atomization devices 100 on a snow-making machine in a uniform annular array mode;
s2, respectively communicating the low-pressure water inlet channel 131 and the high-pressure water inlet channel 132 of the water inlet channel 130 with a high-pressure and low-pressure water supply waterway of the snow maker, and communicating the air inlet channel 160 with a high-pressure air passage of the snow maker;
s3, mixing the low-pressure water in the low-pressure water inlet channel 131 with the high-pressure air introduced into the air inlet channel 160 in the low-pressure water inlet channel 131, and spraying the mixed air-water mixture from the central nozzle 170;
s4, the single-phase high-pressure inlet water in the high-pressure inlet water channel 132 is directly sprayed out from the annular liquid film outlet 150 and atomized under the action of pressure difference.
The working principle is as follows: high-pressure water enters from the inlet of the water inlet channel 130 and then is divided into two paths through the liquid dividing holes 142, wherein one path keeps high-pressure water flowing into the high-pressure water inlet channel 132 and rotationally flows out through the annular liquid film outlet 150 to be crushed into liquid drops; the other path of the gas is decompressed into low-pressure water through the decompression hole 143, and then flows into the low-pressure water inlet channel 131 to be mixed with the gas entering through the gas inlet channel 160, and then is sprayed out through the central nozzle 170.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An atomizing device for a snow making machine, characterized in that: the atomizing device (100) comprises an outer shell (110) and an inner core (120), wherein the outer shell (110) is sleeved on the outer surface of the inner core (120), a water inlet channel (130) is formed in the bottom of the inner core (120), a liquid separating structure (140) is arranged in the water inlet channel (130), and the water inlet channel (130) is divided into double-layer channels through the liquid separating structure (140);
wherein, the central area of the water inlet channel (130) is a low-pressure water inlet channel (131), and the peripheral area is a high-pressure water inlet channel (132);
the high-pressure water inlet channel (132) is communicated with an annular liquid film outlet (150) distributed on the side surface of the end part of the inner core (120) and is used for forming a nozzle of the atomizing device (100);
air inlet channel (160) have been seted up to shell (110) one side, central spout (170) have been seted up to water inlet channel (130) front end central point department of putting, air inlet channel (160), central spout (170) all are linked together with low pressure inhalant canal (131) for form the nuclear ware of atomizing device (100).
2. The atomizing device for a snow making machine according to claim 1, characterized in that: the liquid separation structure (140) is a pressure reduction block (141), liquid separation holes (142) and pressure reduction holes (143) are formed in the pressure reduction block (141), the liquid separation holes (142) are formed in two sides of the pressure reduction block (141) and are communicated with the high-pressure water inlet channel (132), and the pressure reduction holes (143) are formed in the top of the pressure reduction block (141) and are communicated with the low-pressure water inlet channel (131) and used for reducing high-pressure water into low-pressure water;
the outer surface of the pressure reducing block (141) is in a thread shape.
3. The atomizing device for a snow making machine according to claim 1 or 2, characterized in that: the air inlet channel (160) is arranged above the liquid separating structure (140) and the air inlet end is obliquely arranged towards the central spout (170).
4. The atomizing device for a snow making machine according to claim 3, characterized in that: an air inlet hole (180) matched with the air inlet channel (160) is formed in one side of the water inlet channel (130), and the air inlet hole (180) integrally penetrates through the inner core (120), the water inlet channel (130) and the low-pressure water inlet channel (131) to be communicated.
5. The atomizing device for a snow making machine according to claim 3, wherein: the water inlet channel (130) is provided with a water inlet hole (190) matched with the liquid separating hole (142), and the water inlet holes (190) respectively and integrally penetrate through the water inlet channel (130), the inner core (120) and the high-pressure water inlet channel (132) to be communicated.
6. The atomizing device for a snow making machine according to claim 5, characterized in that: the outlet of the central nozzle (170) and the annular liquid film outlet (150) are arranged on the same horizontal plane.
7. The atomizing device for a snow making machine according to claim 6, characterized in that: the annular liquid film outlet (150) is composed of a plurality of concave spiral lines (151), and the concave spiral lines (151) extend from the side surface of the inner core (120) to the end surface of the inner core and are distributed.
8. The atomizing device for a snow making machine according to claim 2, characterized in that: the low-pressure water inlet channel (131) is divided into an A section (133) and a B section (134), the A section (133) is cylindrical, the B section (134) is conical, and the inner diameter of the B section is gradually increased from the top to the bottom.
9. The atomizing device for a snow making machine according to claim 2, characterized in that: the inner core (120) is in threaded connection with the outer shell (110) and is in a bolt shape.
10. The atomizing method of an atomizing device for a snow making machine according to claim 1, comprising the steps of:
s1, mounting a plurality of atomizing devices (100) on a snow-making machine in a uniform annular array mode;
s2, respectively communicating a low-pressure water inlet channel (131) and a high-pressure water inlet channel (132) of the water inlet channel (130) with a high-pressure and low-pressure water supply waterway of the snow maker, and communicating an air inlet channel (160) with a high-pressure air passage of the snow maker;
s3, mixing low-pressure water in the low-pressure water inlet channel (131) with high-pressure air introduced into the air inlet channel (160) in the low-pressure water inlet channel (131), and spraying the mixed air-water mixture from a central nozzle (170);
s4, the single-phase high-pressure inlet water in the high-pressure inlet water channel (132) is directly sprayed out from the annular liquid film outlet (150) under the action of pressure difference and atomized.
CN202111245117.2A 2021-10-26 2021-10-26 Atomization device for snow maker and atomization method thereof Active CN114111143B (en)

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Application Number Priority Date Filing Date Title
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CN114111143B true CN114111143B (en) 2023-03-10

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2276016C (en) * 1995-10-30 2000-10-10 Vernon Lorne Mckinney Snow gun for making artificial snow
KR20040101948A (en) * 2004-05-31 2004-12-03 (주)케이.씨.텍 Nozzle for Injecting Sublimable Solid Particles Entrained in Gas for Cleaning Surface
DE102008057295A1 (en) * 2008-11-14 2010-05-20 Venjakob Maschinenbau Gmbh & Co. Kg annular die
CN108534419B (en) * 2018-06-12 2023-12-26 中联信达（天津）科技发展有限公司 Nuclear air spraying device for snow making
CN210512268U (en) * 2019-09-11 2020-05-12 三河市松雪智能设备有限公司 Snow maker spraying device
CN211060459U (en) * 2019-09-11 2020-07-21 三河市松雪智能设备有限公司 Spray gun device of snow making machine

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