CN113028693A - Ice crystal generation device and method - Google Patents
Ice crystal generation device and method Download PDFInfo
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- CN113028693A CN113028693A CN202110398699.1A CN202110398699A CN113028693A CN 113028693 A CN113028693 A CN 113028693A CN 202110398699 A CN202110398699 A CN 202110398699A CN 113028693 A CN113028693 A CN 113028693A
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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
- F25C1/00—Producing ice
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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
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
Abstract
The invention is suitable for the technical field of ice crystal generation, and provides an ice crystal generation device and a generation method, wherein the device comprises a cloud cabin, a mist making unit, a transfer unit and a compressor control unit, wherein the cloud cabin comprises a cloud cabin body and a substrate, and the substrate is positioned at the bottom of the cloud cabin body and is communicated with the cloud cabin body; the mist making unit and the transfer unit are both positioned on the outer side of the cloud cabin body, one end of the mist making unit is communicated with the cloud cabin body, and the other end of the mist making unit is connected with the transfer unit; the compressor control unit is positioned outside the cloud cabin body and connected with the cloud cabin body; the compressor control unit is connected with the mist making unit and the transfer unit in parallel. According to the invention, the high-pressure pulse generated by the compressor control unit is used for condensing the fog in the cloud cabin to generate the ice crystals with complex configurations, the ice crystal shapes are more in line with the real conditions, and the ice crystal generating device is simple in structure and convenient and fast to operate, and can realize the quick and efficient transportation of the ice crystals.
Description
Technical Field
The invention belongs to the technical field of ice crystal generation, and particularly relates to an ice crystal generation device and an ice crystal generation method.
Background
Ice crystal icing is an important factor threatening the safety of an airplane, under a high-altitude environment, a large number of ice crystal particles exist in cloud and mist due to the extremely low environmental temperature, the ice crystal particles can be sucked into an engine by the airplane in the flying process, and the ice crystal particles can be melted and re-iced in a low-pressure compressor of the engine, so that the problems of engine power reduction and even flameout are caused, and the normal work of air data sensors such as a pitot probe and a total temperature probe can be influenced, so that the ice crystal formation is researched, and the ice crystal ice-spraying device has very important significance.
At present, the spray condensation method is often adopted to generate ice crystals, namely, a nozzle is adopted to spray water drops, the water drops can form the ice crystals in a low-temperature environment, and the key points of the spray condensation method are to reduce the temperature of the water drops and introduce condensation nuclei, so that the spray water drops are promoted to freeze. However, most of the ice crystals formed by the spray condensation method are spherical, the particle size is about tens of microns, the real shape of the ice crystals in a space cloud system is difficult to simulate, and the formed ice crystal parameters are not controllable.
Disclosure of Invention
In order to solve the problems, the invention provides an ice crystal generating device and a generating method.
The invention is realized in such a way that an ice crystal generating device comprises a cloud cabin, a mist making unit, a transfer unit and a compressor control unit, wherein:
the cloud cabin comprises a cloud cabin body and a base, wherein the base is positioned at the bottom of the cloud cabin body and is communicated with the cloud cabin body;
the mist making unit and the transfer unit are both positioned on the outer side of the cloud cabin body, one end of the mist making unit is communicated with the cloud cabin body, and the other end of the mist making unit is connected with the transfer unit;
the compressor control unit is positioned outside the cloud cabin body and connected with the cloud cabin body;
the compressor control unit is connected with the mist making unit and the transfer unit in parallel.
Further, the mist generating unit is an ultrasonic atomizer.
Further, the collecting device also comprises a collecting unit which is positioned at the lower end of the substrate and communicated with the substrate.
Further, the temperature of the collecting unit is-70 ℃ to-60 ℃.
Further, still include the cooling chamber, cloud cabin, make fog unit, transfer unit, compressor control unit, collection unit all are located the inside of cooling chamber.
Further, still include evaporimeter, cooling unit, heat exchanger, pipeline unit, evaporimeter, cooling unit, heat exchanger, pipeline unit connect gradually, the evaporimeter sets up the inside in cooling chamber, cooling unit, heat exchanger all are located the outside in cooling chamber, pipeline unit passes the cooling chamber.
Further, the cooling unit employs CO2As a coolant.
Furthermore, a rotational flow meter is arranged on the pipeline unit and connected with the pipeline unit.
Further, the cooling device comprises a constant feeder and a screening machine, wherein the constant feeder and the screening machine are both located in the cooling cabin, the constant feeder is located above the screening machine, and the screening machine is communicated with the pipeline unit.
The invention also provides an ice crystal generating method, which utilizes the ice crystal generating device to generate ice crystals and comprises the following steps:
step S1: the transfer unit transfers the fog generated by the fog-making unit into the cloud cabin;
step S2: when the cloud cabin is full of fog, starting a compressor control unit to generate high-pressure pulse, so that the fog is condensed to generate ice crystals;
step S3: collecting the ice crystals generated in the step S2 into the collection unit;
step S4: conveying the ice crystals collected in the step S3 to the constant feeder and the screening machine in sequence to form ice crystals with different particle sizes;
step S5: the screening machine conveys the ice crystals into the pipeline unit.
Compared with the prior art, the invention has the technical effects that:
(1) in the invention, the high-voltage pulse generated by the compressor control unit is used for condensing the mist in the cloud cabin to generate ice crystals with different shapes and structures, and the cloud cabin simulates the real natural environment in a space cloud system, so that the generated ice crystal configuration is more consistent with the real situation, and the problems that the ice crystal configuration is single and the real shape of the ice crystal in the space cloud system is difficult to simulate in the traditional spray condensation method are solved;
(2) in the invention, the ice crystals generated in the cloud cabin can be quantitatively transported after passing through the quantitative feeder with a certain mass ratio;
(3) in the invention, after passing through a customized screening machine, the ice crystals in a certain particle size range can be screened out, so that the particle size of the generated ice crystals is controllable;
(4) in the invention, the equipment such as the rotational flow meter, the heat exchanger, the cooling unit, the evaporator and the like are arranged, so that the low-temperature environment in the cooling cabin and the pipeline unit can be ensured, and the airflow in the pipeline unit can also be ensured to flow;
(5) the ice crystal generating device provided by the invention is simple in structure and convenient and fast to operate, and can realize quick and efficient transportation of ice crystals.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cloud deck and a collection unit provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an ice crystal generation apparatus provided by an embodiment of the present invention;
FIG. 3 is a flow chart of a method of ice crystal generation provided by an embodiment of the present invention;
description of reference numerals:
10-cloud deck; 11-a cloud deck body; 12-a substrate; 20-a fogging unit; 30-a transfer unit; 40-a compressor control unit; 50-a collection unit; 60-a cooling chamber; 70-an evaporator; 80-a cooling unit; 90-heat exchanger; 100-a pipe unit; 1000-swirl flow meter; 101-a constant feeder; 102-screening machine.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an embodiment of the present invention provides an ice crystal generating device, including a cloud compartment 10, a mist generating unit 20, a transfer unit 30, and a compressor control unit 40, wherein:
the cloud cabin 10 comprises a cloud cabin body 11 and a base 12, wherein the base 12 is positioned at the bottom of the cloud cabin body 11 and is communicated with the cloud cabin body 11, ice crystals generated in the cloud cabin body 11 naturally fall into the base 12 under the action of gravity to temporarily store the ice crystals, preferably, a conical channel is arranged in the base 12, and the shape and the material of the cloud cabin 10 are not limited;
the mist making unit 20 and the transfer unit 30 are both positioned outside the cloud cabin body 11, one end of the mist making unit 20 is communicated with the cloud cabin body 11, the other end of the mist making unit 20 is connected with the transfer unit 30, mist generated by the mist making unit 20 can be transferred into the cloud cabin body 11 through the transfer unit 30, and preferably, the transfer unit 30 can be a fan;
the compressor control unit 40 is located outside the cloud cabin body 11 and connected with the cloud cabin body 11, and the compressor control unit 40 is used for generating instantaneous high-pressure pulses into the cloud cabin body 11, so that the fog in the cloud cabin body 11 is condensed to generate ice crystals under the action of the high-pressure pulses;
the compressor control unit 40 is provided in parallel with the mist generating unit 20 and the transfer unit 30.
In the ice crystal generating device provided by the embodiment of the invention, the mist in the cloud cabin is condensed to generate the ice crystals with different shapes and structures by the high-pressure pulse generated by the compressor control unit, and the cloud cabin simulates the real natural environment in the space cloud system, so that the generated ice crystal configuration is more consistent with the real situation, and the problems that the ice crystal configuration is single in the traditional spray condensation method and the real shape of the ice crystal in the space cloud system is difficult to simulate are solved.
Further, the mist generating unit 20 is an ultrasonic atomizer.
Further, in order to prevent the ice crystal configuration generated in the cloud chamber body 11 from being largely changed due to the temperature change, the ice crystal generating apparatus further includes a collecting unit 50, and the collecting unit 50 is located at the lower end of the base 12 and is communicated with the base 12, and is mainly used for collecting and storing the ice crystals generated in the cloud chamber 10.
Further, the temperature inside the collection unit 50 is maintained at-70 ℃ to-60 ℃, and preferably, the collection unit 50 is an ice bin.
Further, as shown in fig. 2, the ice crystal generating device further comprises a cooling chamber 60, the cloud chamber 10, the mist generating unit 20, the transferring unit 30, the compressor control unit 40 and the collecting unit 50 are all located inside the cooling chamber 60, the cooling chamber 60 is mainly used for providing a low temperature environment for the generation and capture of ice crystals in the cloud chamber 10, and preferably, the temperature inside the cooling chamber 60 is maintained at-20 ℃ to 0 ℃.
Further, as shown in fig. 2, the ice crystal ice-making machine further comprises an evaporator 70, a cooling unit 80, a heat exchanger 90, and a pipe unit 100, wherein the evaporator 70, the cooling unit 80, the heat exchanger 90, and the pipe unit 100 are connected in sequence, the evaporator 70 is disposed inside the cooling chamber 60, preferably, the evaporator 70 is disposed near the top end of the cooling chamber 60, the cooling unit 80 and the heat exchanger 90 are both disposed outside the cooling chamber 60, and the pipe unit 100 passes through the cooling chamber 60, preferably, the pipe unit 100 is disposed near the bottom of the cooling chamber 60, and through the interaction of the evaporator 70, the cooling unit 80, and the heat exchanger 90, the low-temperature environment inside the cooling chamber 60 and the pipe unit 100 can be maintained, and the water-gas concentration ratio inside the cooling chamber 60 can be controlled, so that a suitable environment is provided for the generation and transportation of ice crystals.
Further, the cooling unit 80 employs CO2As a coolant.
Further, since the air of the duct unit 100 contains water vapor, it is easy to generate the phenomenon of freezing of condensate in the low temperature environment of the cooling chamber 60, and the condensate can affect the normal flow of the transport air in the duct unit 100, therefore, the duct unit 100 is provided with the vortex flow meter 1000 for monitoring the volume flow of the particles in the transport air, and the vortex flow meter 1000 is provided with several sets of blades for generating vortex, and the blades can also be used for collecting condensed water drops, thereby reducing the particle content in the transport air.
In addition, the pipeline unit 100 is also provided with a fan which mainly provides power for the transportation of the ice crystals.
Further, the ice crystal refrigerator further comprises a quantitative feeder 101 and a screening machine 102, wherein the quantitative feeder 101 and the screening machine 102 are both located inside the cooling cabin 60, the quantitative feeder 101 is located above the screening machine 102, the screening machine 102 is communicated with the pipeline unit 100, specifically, ice crystals in the collecting unit 50 can be transported into the quantitative feeder 101 through a conveyer or a manual carrying mode, the conveying frequency of the quantitative feeder 101 is adjusted according to the actual task flow, so that the quantitative transportation of the ice crystals is realized, the quantitative feeder 101 conveys the quantitative ice crystals into the screening machine 102 through a conveying belt, the screening machine 102 mainly comprises a filter screen, a frame, a motor, a vibration box and other structures, the ice crystals can be crushed to a required size range through arranging the filter screens with different sizes, and meanwhile, the ice crystals with larger sizes are filtered, and the screening machine 102 is communicated with the pipeline unit 100, so that the ice crystals crushed by the screening machine 102 can directly enter the pipeline unit 100, it is transported to the corresponding equipment by the transport air in the pipe unit 100.
According to the ice crystal generating device provided by the embodiment of the invention, the ice crystals with different particle size ranges and qualities can be transported by arranging the quantitative feeder and the screening machine, so that the ice crystal parameters can be effectively controlled.
The embodiment of the present invention further provides an ice crystal generating method, which utilizes the above ice crystal generating device to generate ice crystals, specifically, generates ice crystals according to the flowchart shown in fig. 3, and includes the following steps:
step S1: starting the evaporator 70, the cooling unit 80 and the heat exchanger 90, adjusting the concentration ratio of water to gas in the cooling cabin 60, maintaining the temperature in the cooling cabin 60 at-20 ℃ to 0 ℃, then starting the mist generating unit 20 and the transferring unit 30, and transferring the mist which is like a steady state and has a single size and is generated in the mist generating unit 20 into the cloud cabin 10 through the transferring unit 30;
step S2: when the cloud cabin 10 is full of fog, the compressor control unit 40 is started to generate high-pressure pulses, so that the fog is condensed to generate ice crystals, specifically, as the ice crystals are generated, the fog in the cloud cabin 10 can be partially consumed, when the cloud cabin 10 is full of fog again, the compressor control unit 40 is restarted to generate high-pressure pulses, so that the ice crystals are generated, the circulation is performed, so that the cloud cabin 10 can be filled with three phases of liquid water drops, water vapor and ice crystals, under a certain temperature and water vapor environment, the ice crystals can further grow by taking the liquid water drops as consumption, ice crystals in various forms are formed, in addition, in the process of generating the ice crystals, the fog generated in the fog generating unit 20 can continuously enter the cloud cabin 10, and therefore, the generation of the ice crystals is ensured;
step S3: since the base 12 of the cloud chamber and the collection unit 50 communicate with each other, the ice crystals formed in step S2 can be directly stored in the collection unit 50;
step S4: conveying the ice crystals collected in the step S3 to the constant feeder 101 and the screening machine 102 in sequence to form ice crystals with different particle sizes, specifically conveying the ice crystals collected in the step S3 to the constant feeder 101 in a conveying device or manual conveying manner to realize the quantitative transportation of the ice crystals, then conveying the quantitative ice crystals to the screening machine 102 by the constant feeder 101 through a conveying belt, and screening the ice crystals by the screening machine 102 through setting different sizes of filter screens to crush the ice crystals to a required size range and simultaneously filter out the ice crystals with larger sizes;
step S5: because the screening machine 102 is communicated with the pipeline unit 100, the ice crystals screened by the screening machine 102 can be directly transmitted to the pipeline unit 100 and then transmitted to corresponding equipment by the transport air in the pipeline unit 100.
In the ice crystal generating device provided by the embodiment of the invention, the mist in the cloud cabin is condensed to generate ice crystals with different shapes and structures by high-pressure pulses generated by the compressor control unit, the cloud cabin simulates the real natural environment in a space cloud system, the generated ice crystal configuration is more consistent with the real situation, the effective control of ice crystal parameters can be realized by arranging the quantitative feeder and the screening machine, in addition, each part of the ice crystal generating device has a simple structure, is convenient to operate, and can realize the quick and efficient transportation of the ice crystals.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An ice crystal generating device, comprising a cloud compartment (10), a mist generating unit (20), a transfer unit (30), a compressor control unit (40), wherein:
the cloud cabin (10) comprises a cloud cabin body (11) and a base (12), wherein the base (12) is positioned at the bottom of the cloud cabin body (11) and communicated with the cloud cabin body (11);
the mist making unit (20) and the transfer unit (30) are both positioned on the outer side of the cloud cabin body (11), one end of the mist making unit (20) is communicated with the cloud cabin body (11), and the other end of the mist making unit is connected with the transfer unit (30);
the compressor control unit (40) is positioned outside the cloud cabin body (11) and is connected with the cloud cabin body (11);
the compressor control unit (40) is arranged in parallel with the mist making unit (20) and the transfer unit (30).
2. An ice crystal generating device according to claim 1, wherein the misting unit (20) is an ultrasonic atomizer.
3. An ice crystal generating device according to claim 1 or 2, further comprising a collecting unit (50), said collecting unit (50) being located at the lower end of said base (12) and being in communication with said base (12).
4. An ice crystal generation device according to claim 3, wherein the temperature of the collection unit (50) is-70 ℃ to-60 ℃.
5. An ice crystal generation device according to claim 4, further comprising a cooling compartment (60), wherein the cloud compartment (10), the mist generating unit (20), the transfer unit (30), the compressor control unit (40), and the collection unit (50) are all located inside the cooling compartment (60).
6. An ice crystal generation device according to claim 5, further comprising an evaporator (70), a cooling unit (80), a heat exchanger (90), a piping unit (100), wherein the evaporator (70), the cooling unit (80), the heat exchanger (90), the piping unit (100) are connected in series, the evaporator (70) is disposed inside the cooling compartment (60), the cooling unit (80), the heat exchanger (90) are both located outside the cooling compartment (60), and the piping unit (100) passes through the cooling compartment (60).
7. Ice crystal generation device according to claim 6, wherein the cooling unit (80) employs CO2As a coolant.
8. An ice crystal generating device according to claim 7, wherein a vortex flow meter (1000) is arranged on the pipe unit (100), the vortex flow meter (1000) being connected to the pipe unit (100).
9. An ice crystal generating device according to claim 8, further comprising a quantitative feeder (101), a screening machine (102), both the quantitative feeder (101) and the screening machine (102) being located inside the cooling compartment (60), and the quantitative feeder (101) being located above the screening machine (102), the screening machine (102) being in communication with the piping unit (100).
10. An ice crystal producing method for producing ice crystals by using the ice crystal producing device according to claim 9, comprising the steps of:
step S1: a transfer unit (30) transfers the mist generated by the mist generating unit (20) into the cloud compartment (10);
step S2: when the cloud chamber (10) is full of fog, starting a compressor control unit (40) to generate high-pressure pulses to condense the fog to generate ice crystals;
step S3: collecting the ice crystals generated in step S2 into the collection unit (50);
step S4: conveying the ice crystals collected in the step S3 to the quantitative feeder (101) and the screening machine (102) in sequence to form ice crystals with different particle sizes;
step S5: the screening machine (102) transports the ice crystals into the piping unit (100).
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| CN202110398699.1A CN113028693A (en) | 2021-04-14 | 2021-04-14 | Ice crystal generation device and method |
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