CN107062727A - A kind of freezing and refrigeration cabinet performance testing device artificial snow-making system - Google Patents
A kind of freezing and refrigeration cabinet performance testing device artificial snow-making system Download PDFInfo
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- CN107062727A CN107062727A CN201710191371.6A CN201710191371A CN107062727A CN 107062727 A CN107062727 A CN 107062727A CN 201710191371 A CN201710191371 A CN 201710191371A CN 107062727 A CN107062727 A CN 107062727A
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- water tank
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- making
- freezing
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000007710 freezing Methods 0.000 title claims abstract description 27
- 230000008014 freezing Effects 0.000 title claims abstract description 27
- 238000005057 refrigeration Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 294
- 239000007921 spray Substances 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 41
- 239000013589 supplement Substances 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 12
- 239000010963 304 stainless steel Substances 0.000 claims description 9
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000008235 industrial water Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims 2
- 239000010935 stainless steel Substances 0.000 claims 2
- 239000008400 supply water Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000003595 mist Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011056 performance test Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 241000533950 Leucojum Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to a kind of freezing and refrigeration cabinet performance testing device artificial snow-making system.The present invention mixes spray unit, water tank including steam and mixes the air compressor that spray unit provides compressed air to steam, water tank bottom surface is provided with delivery port and artificial snow-making feed water inlet, side of the water tank away from delivery port and artificial snow-making feed water inlet is provided with water inlet, water tank is connected with cooling by wind by delivery port, water inlet and forms Water-cooling circulating loop, and artificial snow-making feed water inlet is connected with steam mixing spray unit.Water flows from top to bottom in water tank of the present invention, water inlet flows into the low water of temperature and mixed with the water inside water tank, mixed process is longer, then temperature cooling is more uniform, so the artificial snow-making Water District domain of temperature homogeneous constant the most is just naturally form in water tank bottom region, avoid water tank to be internally formed vortex and cause thermal loss simultaneously, it is ensured that the stabilization of artificial snow-making coolant-temperature gage, improve artificial snow-making density and artificial snow-making efficiency.
Description
Technical field
The invention belongs to freezing and refrigeration cabinet performance testing device field, a kind of freezing and refrigeration cabinet performance test is specifically related to
Device artificial snow-making system.
Background technology
More and more extensive with the use of freezing and refrigeration, the impacts of performance of various freezing and refrigeration cabinets has increasingly caused people next
Attention, therefore be also particularly important to the apparatus system of freezing and refrigeration cabinet performance test, and in performance testing device system
Artificial snow-making system be the most important thing again.
Freezing and refrigeration cabinet directly carries out heat exchange with external environment, external environment to the runnability of freezing and refrigeration cabinet, make
All have a great impact with the life-span, in order to obtain normally running under climatic environment of the freezing and refrigeration cabinet residing for it, its system
The relation of cold energy power and external environment condition, whether adapt to various extreme climate environments to carry out related environmental test.Such as winter
In the case of snowy, the snowflake that the fin clearance of freezing and refrigeration cabinet heat exchanger can be inhaled into is blocked, and causes exchanger heat exchange energy
Power declines.If test device possesses artificial snow-making condition, so that it may obtain performance impact data of the snowfall to freezing and refrigeration cabinet, be conducive to
The performance improvement of freezing and refrigeration cabinet.
Existing is water source artificial snow-making system by cold water storage cistern, by controlling the operation of handpiece Water Chilling Units to keep water temperature in cold water storage cistern
It is stable, cold water storage cistern inner float ball valve automatic controlling running water inflow supplement snowfall water consumption.But because water tank volume is big and lacks
Temperature sensor, easily causes water tank and is internally formed thermal stratification, the inhomogeneities of water temperature largely have impact on artificial snow-making effect
Really, such as artificial snow-making density is small, efficiency is low.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of freezing and refrigeration cabinet performance testing device artificial snow-making system,
The system artificial snow-making density is big, efficiency high.
In order to realize the purpose of the present invention, present invention employs following technical scheme：
A kind of freezing and refrigeration cabinet performance testing device artificial snow-making system, including steam mixing spray unit, water tank and to
The steam mixing spray unit provides the air compressor of compressed air, and the water tank bottom surface is supplied provided with delivery port and artificial snow-making
The mouth of a river, side of the water tank away from the delivery port and artificial snow-making feed water inlet is provided with water inlet, and the water tank passes through described
Delivery port, water inlet are connected with cooling by wind and form Water-cooling circulating loop, and the artificial snow-making feed water inlet is mixed with the steam
Close spray unit connection.
Further, the delivery port and artificial snow-making feed water inlet are close to the first side of the water tank, and the delivery port
And the line of artificial snow-making feed water inlet, parallel to the first side, the water inlet is positioned at the water tank and the first side
In the relative second side and bottom surface away from the water tank.
Further, steam mixing spray unit includes connecting with the artificial snow-making feed water inlet and along length side between test
To the jet pipe of arrangement and the tracheae connected with the air compressor, the jet pipe is provided between multiple length directions along jet pipe
It is in charge of every the vertical water spray of arrangement, the water spray is in charge of end and is provided with shower nozzle, and the shower nozzle is provided with and connected with the tracheae
Compressed air inlet port, gas-liquid mixture is towards wall between test in the shower nozzle and sprays diagonally downward, the shower nozzle and
The angle being in charge of between axis of spraying water is 30~60 °.
Further, the water tank is made up of double-deck 304 stainless steel plate, provided with hair in the middle of double-deck 304 stainless steel plate
Steep the 304 stainless steel plates composition shell outside polyurethane sandwich, the water tank and thickness is inside 1~1.2mm, the water tank
304 stainless steel plates constitute inner bag and thickness is 1.8~2.2mm, and the thickness of interlayer is 30~50mm.
Further, the air compressor selects oil-free air compressor, and the cooling by wind is from industrial
Handpiece Water Chilling Units.
Further, the first side of the water tank is provided with water supplement port and is provided with level monitoring pipe, the water supplement port
The highly a little higher than water inlet of arrangement；The water tank bottom surface is provided with overfall, the water tank described provided with being vertically connected on
Overflow pipe at overfall, a little higher than water supplement port of height of the overflow pipe；The tank top is provided with tank lid, described
Tank lid is provided with the liquid level electricity installed in two level electrode installing ports away from each other, two level electrode installing ports
Difference in height between pole is in 25~35mm；Threeth side adjacent with first side of the water tank, which is provided with, to be used to monitor water temperature
RTD installing port and being provided be easy to the staircase that personnel overhaul, the RTD installing port is close to water tank bottom surface cloth
Put；Water tank bottom center position is provided with discharge outlet.
Further, runner is provided with the shower nozzle, the runner includes entering along the liquid that fluid stream outgoing direction is arranged
Section, steam mixing section and steam spray section, and the steam mixing section is provided with the air inlet, and the air inlet is located at steam
Mixing section middle part, the end flow diameter of the liquid approach section is gradually reduced and in closing in shape, and the steam sprays section
Flow diameter gradually increase and opening-like.
Further, the vertical water spray that the jet pipe end positions are installed be in charge of and shower nozzle density be every meter of jet pipe it is first-class between
Every installing 8~12, the vertical water spray that the jet pipe centre position is installed be in charge of with shower nozzle density be on every meter of jet pipe at equal intervals
Install 6~8.
Further, the closing in angle of the end runner of the liquid approach section is 30~45 °, and the steam sprays section
The opening angle of runner is 45~60 °.
The beneficial effects of the present invention are：
(1) present invention is when for artificial snow-making between test：The water tank by the delivery port, water inlet with it is described air-cooled cold
Water dispenser group constitutes Water-cooling circulating loop so that artificial snow-making carries out cooling processing with water by the cooling by wind in water tank, it is ensured that
Water temperature reaches temperature needed for artificial snow-making in water tank.The delivery port, artificial snow-making feed water inlet are respectively positioned on water tank bottom surface, and water inlet position
Arranged in water tank side and away from the delivery port, artificial snow-making feed water inlet, the advantage being arranged so as to：Water is from top to bottom in water tank
Flowing, water inlet flows into the low water of temperature and mixed with the water inside water tank, and mixed process is longer, then temperature cooling is more uniform,
So the artificial snow-making Water District domain of temperature homogeneous constant the most is just naturally form in water tank bottom region, while avoiding inside water tank
Form vortex and cause thermal loss, it is ensured that the stabilization of artificial snow-making coolant-temperature gage, improve artificial snow-making density and artificial snow-making efficiency.
Water tank described in the system without needing additional special agitating equipment, the delivery port, artificial snow-making feed water inlet with it is described
The distance of water inlet, which is tried one's best, to be set a little further, it is ensured that water can be realized by the Water-cooling circulating of pilot system well in water tank
Heat dissipates and combined balance system process, it is ensured that artificial snow-making Water District domain water temperature is constant in water tank.
(2) gas-liquid mixture of the present invention sprays towards metope between test, and high speed water mist runs into quick rebound after metope,
And moved to center between test, water smoke speed slows down gradually to fall while cold air is contacted between test, is piled into snow, should
The state that on the one hand structure can slowly snow during simulation is real very well, on the other hand can cause the high speed water mist to have foot
Low temperature environment between enough time and space engaged tests, snows beneficial to formation.The shower nozzle and water spray are in charge of shape between axis
Into the effect of 30~60 ° of angles：The injector stroke of the gas-liquid mixture is effectively increased, makes low temperature ring between high speed water mist and test
Border is fully contacted, and is significantly improved artificial snow-making density and artificial snow-making efficiency, is saved artificial snow-making system under limited space conditions between test
The space for occupancy of uniting, so present invention is particularly suitable between the limited artificial snow-making test environment in space.
(3) heat-insulating property of water tank of the present invention is good and easily fabricated.The water tank needs to keep liquid when in use
Position it is constant, the present invention detects liquid level in water tank by the level electrode, and two level electrodes pass through tank lid respectively
On installing port stretch into water, be divided into the electrode of fixed water level upper limit and the electrode of a fixed water level lower limit, pass through water
Electric action be to realize circuit communication and can start that liquid level in water tank is measured and controlled, when liquid level be less than lower limit set
During value, corresponding control system opens water pump and fills into Xin Shui into the water tank by the water supplement port, when liquid level exceedes the upper limit
During setting value, then the water pump is closed, unnecessary water is then overflowed by the overflow pipe, and the level monitoring pipe is also allowed in addition
Staff intuitively views the water level in water tank.The RTD is close to water tank bottom surface, i.e., close to the artificial snow-making Water District
Domain is arranged, it is ensured that the water temperature measured by the RTD is the water temperature in artificial snow-making Water District domain, beneficial to technical staff according to water temperature
Change in time Water-cooling circulating is adjusted to ensure the constant of artificial snow-making coolant-temperature gage.
(4) the end flow diameter of liquid approach section of the present invention is gradually reduced and in closing in shape, and the structure is beneficial to subtract
Small liquid enters the pressure of steam mixing section, is easy to reduce due to the vortex that flow diameter is mutated and is caused, prevents sprinkler pressure
It is excessive and cause damage, improve shower nozzle service life.The flow diameter of liquid approach section end of the present invention is minimum, beneficial to increasing
Added water the flowpath pressure of vapour mixing section so that gas-liquid is sufficiently mixed, so that gas-liquid preferably be sprayed.
(5) length and width between being tested disclosure is particularly well suited to be supported the use between long and narrow test, between so-called long and narrow test
Than more than 2.5, then return air inlet and air outlet in long and narrow test on return air plate are generally located at length direction between test respectively
Two ends, so the wind speed at length direction two ends is greater than the wind speed at middle part between test between test, then in order to ensure between test
Snowfall situation at the uniformity of interior snowfall, more preferable simulation in actual environment, the vertical spray that the jet pipe end positions are installed
Moisture pipe and shower nozzle density are greater than the vertical water spray installed in the jet pipe centre position and are in charge of and shower nozzle density.
(6) the closing in angle value of the end runner of liquid approach section of the present invention and the steam spray the runner of section
Angular aperture angle value be to test to obtain by artificial snow-making, the shower nozzle is under the conditions of these design parameters, and artificial snow-making is uniform and artificial snow-making
Density is big, artificial snow-making efficiency high.Shower nozzle of the present invention it is simple in construction, artificial snow-making effect is good, is that freezing and refrigeration cabinet performance test is carried
Supply to ensure.
Brief description of the drawings
Fig. 1 is systematic schematic diagram of the invention.
Fig. 2 is constant temperature water tank front view of the present invention.
Fig. 3 is constant temperature water tank left view of the present invention
Fig. 4 is constant temperature water tank top view of the present invention.
Fig. 5 is constant temperature water tank internal view of the present invention.
Fig. 6 is in charge of the scheme of installation with shower nozzle for water spray.
Fig. 7 is shower nozzle sectional view in the present invention.
The implication marked in accompanying drawing is as follows：
1- water tanks；11- delivery ports；12- artificial snow-makings feed water inlet；13- water inlets；14- water supplement ports；15- level monitoring pipes；16-
Overflow pipe；17- tank lid；171- level electrode installing ports；18- RTD installing ports；19- discharge outlet；2- air compressors；3-
Cooling by wind；Between 4- tests；51- jet pipes；52- tracheaes；53- water sprays are in charge of；54- shower nozzles；54a- liquid approach sections；54b-
Steam mixing section；54c- steam sprays section；541- air inlets；6- staircases；A- first sides；B- second sides；The sides of C- the 3rd；
The sides of D- the 4th.
Embodiment
More specific detail is made to technical solution of the present invention with reference to embodiment：
As shown in figure 1, the present invention includes steam mixing spray unit, water tank 1 and mixes spray unit to the steam
The air compressor 2 of compressed air is provided, it is characterised in that：The bottom surface of water tank 1 is provided with delivery port 11 and artificial snow-making feed water inlet
12, side of the water tank 1 away from the delivery port 11 and artificial snow-making feed water inlet 12 is provided with water inlet 13, and the water tank 1 leads to
Cross the delivery port 11, water inlet 13 to connect with cooling by wind 3 and form Water-cooling circulating loop, the artificial snow-making feed water inlet 12
Connected with steam mixing spray unit.
The present invention is when for 4 artificial snow-making between test：The water tank 1 passes through the delivery port 11, water inlet 13 and the wind
Cold handpiece Water Chilling Units 3 constitute Water-cooling circulating loop so that artificial snow-making carries out cooling with water by the cooling by wind 3 in water tank 1
Reason, it is ensured that water temperature reaches temperature needed for artificial snow-making in water tank 1.The delivery port 11, artificial snow-making feed water inlet 12 are respectively positioned on the bottom surface of water tank 1,
And the water inlet 13 is located at the side of water tank 1 and is arranged away from the delivery port 11, artificial snow-making feed water inlet 12, is arranged so as to
Advantage：Water flows from top to bottom in water tank 1, and water inlet 13 flows into the low water of temperature and mixed with the water inside water tank 1, mixed process
Longer, then temperature cooling is more uniform, so just naturally form the artificial snow-making of temperature homogeneous constant the most in the bottom section of water tank 1
Water District domain, while avoiding water tank 1 from being internally formed vortex and cause thermal loss, it is ensured that the stabilization of artificial snow-making coolant-temperature gage, is carried
High artificial snow-making density and artificial snow-making efficiency.
The delivery port 11 and artificial snow-making feed water inlet 12 close to the water tank 1 first side, and the delivery port 11 with
And the line of artificial snow-making feed water inlet 12, parallel to the first side, the water inlet 13 is positioned at the water tank 1 and described first
Sideways in relative second side and away from the water tank 1 bottom surface.Water tank 1 described in the system is without needing additional special stir
Dynamic equipment, the distance of the delivery port 11, artificial snow-making feed water inlet 12 and the water inlet 13, which is tried one's best, to be set a little further, it is ensured that water tank
Water can realize that heat dissipates and combined balance system process by the Water-cooling circulating of pilot system well in 1, it is ensured that be made in water tank 1
Avenge the constant of Water District domain water temperature.
The steam mixing spray unit includes connecting and arranging along 4 length directions between test with the artificial snow-making feed water inlet 12
Jet pipe 51 and the tracheae 52 that is connected with the air compressor 2, the jet pipe 51 is provided with multiple along the length side of jet pipe 51
Be in charge of 53 to spaced apart vertical water spray, the water spray is in charge of 53 ends and is provided with shower nozzle 54, the shower nozzle 54 be provided with
Gas-liquid mixture is towards 4 walls between test in the compressed air inlet port 541 that the tracheae 52 is connected, the shower nozzle 54 and tilts
Spray downwards, the shower nozzle 54 and the angle being in charge of between 53 axis of spraying water are 30~60 °.Gas-liquid mixed of the present invention
Thing sprays towards 4 metopes between test, and high speed water mist runs into quick rebound after metope, and is moved to 4 centers between test, water smoke speed
Slow down gradually to fall while cold air is contacted between test 4, be piled into snow, the structure on the one hand can simulation very well
The state slowly snowed in reality, on the other hand can cause the high speed water mist to have between time enough and space engaged test
4 low temperature environment, snows beneficial to formation.The shower nozzle 54 and water spray are in charge of the effect of 30~60 ° of angles of formation between 53 axis：
The injector stroke of the gas-liquid mixture is effectively increased, 4 low temperature environments between high speed water mist and test is fully contacted, significantly improves
Artificial snow-making density and artificial snow-making efficiency, save the space of artificial snow-making system occupancy between test under 4 limited space conditions, so this
Invention is particularly suitable for use between the limited artificial snow-making test environment in space.
As shown in fig. 6, being provided with runner in the shower nozzle 54, the runner includes entering along the liquid that fluid stream outgoing direction is arranged
Enter a section 54a, steam mixing section 54b and steam spray section 54c, the steam mixing section 54b and is provided with the air inlet 541,
The air inlet 541 is located at steam mixing section 54b middle parts, and the end flow diameter of the liquid approach section 54a gradually subtracts
Small and in closing in shape, the flow diameter that the steam sprays section 54c gradually increases and opening-like.Liquid of the present invention enters
Section 54a end flow diameter is gradually reduced and in closing in shape, and the structure is beneficial to reduce the pressure that liquid enters steam mixing section 54b
Power, is easy to reduce due to the vortex that flow diameter is mutated and is caused, and prevents that the pressure of shower nozzle 54 is excessive and causes to damage, improves shower nozzle
54 service lifes.The flow diameter of liquid approach section 54a ends of the present invention is minimum, beneficial to the runner of increase steam mixing section
Pressure so that gas-liquid is sufficiently mixed, so that gas-liquid preferably be sprayed.
The vertical water spray that the end positions of jet pipe 51 are installed be in charge of 53 and the density of shower nozzle 54 be every meter of jet pipe 51 it is first-class between
Every installing 8~12, the vertical water spray that the centre position of jet pipe 51 is installed is in charge of 53 and the density of shower nozzle 54 is every meter of jet pipe 51
On install 6~8 at equal intervals.Disclosure is particularly well suited to be supported the use between long and narrow test, tested between so-called long and narrow test
Between length-width ratio be more than 2.5, then return air inlet and air outlet in long and narrow test on return air plate are generally located at 4 between test respectively
The two ends of length direction, so the wind speed at 4 length direction two ends is greater than the wind speed at 4 middle parts between test between test, then in order to
Ensure the snowfall situation in actual environment, the end positions of jet pipe 51 at the uniformity of snowfall in 4 between testing, more preferable simulation
The vertical water spray installed be in charge of 53 and the density of shower nozzle 54 be greater than the vertical water spray centre position of jet pipe 51 installed and be in charge of 53
With the density of shower nozzle 54.
The closing in angle of the end runner of the liquid approach section 54a is 30~45 °, and the steam sprays section 54c stream
The opening angle in road is 45~60 °.The closing in angle value and the water of liquid approach section 54a of the present invention end runner
The angular aperture angle value that vapour sprays section 54c runner is to test to obtain by artificial snow-making, and the shower nozzle 54 is in these design parameter bars
Under part, artificial snow-making is uniform and artificial snow-making density is big, artificial snow-making efficiency high.Shower nozzle 54 of the present invention it is simple in construction, artificial snow-making effect is good, is
The performance test of freezing and refrigeration cabinet, which is provided, to be ensured.
The water tank 1 is made up of double-deck 304 stainless steel plate, and polyurathamc is provided with the middle of double-deck 304 stainless steel plate
304 stainless steel plates outside interlayer, the water tank 1 constitute shell and thickness be inside 1~1.2mm, the water tank 1 304 not
The steel plate that becomes rusty constitutes inner bag and thickness is 1.8~2.2mm, and the thickness of interlayer is 30~50mm.The heat-insulating property of the water tank 1 is good
And it is easily fabricated.
The air compressor 2 selects oil-free air compressor, and the cooling by wind 3 must assure that leaving water temperature is
It will not still be shut down at 3 DEG C, therefore, using industrial water unit.Oilless (oil free) compressor not only substantially increases the matter of compressed air
Amount, at the same ensure that air without oiliness so as to ensureing oil-free in water at low temperature, it is ensured that oily pure water is free from, so as to normally make
Snow, and oil-free air compressor power consumption is relatively low；Industrial water unit ensure that the water in water tank 1 is stable relatively low
Temperature levels, and industrial water unit operation is stable, and machine halt trouble will not occur during low temperature, and this is required for artificial snow-making
Water at low temperature, which is provided, to be ensured.
As shown in Fig. 2,3,4,5, the first side of the water tank 1 is provided with water supplement port 14 and is provided with level monitoring pipe
15, the water supplement port 14 arranges the highly a little higher than water inlet 13；The bottom surface of water tank 1 is provided with overfall, the water tank 1
Provided with the overflow pipe 16 being vertically connected at the overfall, a little higher than water supplement port 14 of height of the overflow pipe 16；Institute
State the top of water tank 1 and be provided with tank lid 17, the tank lid 17 is provided with two level electrode installing ports 171 away from each other；Institute
Threeth side adjacent with first side for stating water tank 1 is provided with the RTD installing port 18 for being used for monitoring water temperature and is provided with
The staircase 6 for being easy to personnel to overhaul, the RTD installing port 18 is close to the sole arrangement of water tank 1；The bottom center of water tank 1
Position is provided with discharge outlet 19.The water tank 1 need when in use keep liquid level it is constant, the present invention by the level electrode come
The liquid level in water tank 1 is detected, two level electrodes are stretched into water by the level electrode installing port 171 in tank lid 17 respectively,
It is divided into the electrode of fixed water level upper limit and the electrode of a fixed water level lower limit, the electric action by water is to realize circuit
Connect and can start that liquid level in water tank 1 is measured and controlled, when liquid level is less than lower limit set value, corresponding control system is opened
Open water pump and Xin Shui is filled into the water tank 1 by the water supplement port 14, when liquid level exceedes upper limit set value, then close institute
State water pump, the length differences of described two level electrodes is in 25~35mm, the too short then frequent moisturizing of distance, apart from oversize then moisturizing not
Foot easily causes water shortage in water tank, and unnecessary water is then overflowed by the overflow pipe 16, and the level monitoring pipe 15 is also just in addition
The water level in water tank 1 is intuitively viewed in staff.The RTD is used close to the bottom surface of water tank 1 close to the artificial snow-making
Aqua region arrange, it is ensured that the water temperature measured by the RTD is the water temperature in artificial snow-making Water District domain, beneficial to technical staff according to
The change of water temperature adjusts to ensure the constant of artificial snow-making coolant-temperature gage to Water-cooling circulating in time.
The specific size of water tank 1 described in the present embodiment is：
The height of overflow pipe 16 is the height of water tank 1 13/16~15/16, the overflow pipe 16 with first side A and with
4th side D distance is the 1/16~3/16 of the bottom surface length of side of water tank 1；The RTD installing port 18 sets height to be water tank
1 height 1/8~3/8, the distance of the RTD installing port 18 to second side B is the 1/8~3/8 of the bottom surface length of side of water tank 1；Institute
It is the height of water tank 1 5/8~7/8 to state the height of water inlet 13, and the distance of the side D of water inlet 13 to the 4th is the bottom surface side of water tank 1
Long 1/8~3/8；The height of water supplement port 14 is the 3/4~7/8 of the height of water tank 1, the side D's of water supplement port 14 to the 4th
Distance is the 1/8~3/8 of the bottom surface length of side of water tank 1；The level monitoring pipe 15 is an external transparent pipe, the level monitoring
The lower port of pipe 15 is communicated at the low liquid level of water tank 1, and the upper port of level monitoring pipe 15 is communicated at the high level of water tank 1,
The lower port of level monitoring pipe 15 is located at the 1/16~3/16 of the height of water tank 1, the side C's of level monitoring pipe 15 to the 3rd
Distance is the 1/8~3/8 of the bottom surface length of side of water tank 1, and the upper port of level monitoring pipe 15 is highly put down with the overflow inlet of overflow pipe 16
Neat and a little higher than water supplement port 14, the highly a little higher than water inlet 13 of the water supplement port 14.
The delivery port 11 is arranged side by side with artificial snow-making feed water inlet 12 in the bottom surface of constant temperature water tank 1, and the delivery port 11 is away from
Three side C, and with the 4th side D distance is the bottom surface length of side of water tank 1 1/8~3/8；The artificial snow-making feed water inlet 12 is close to the 3rd
Side C, and with the 3rd side C distance is the bottom surface length of side of water tank 1 1/8~3/8；The delivery port 11 and artificial snow-making feed water inlet 12
Line perpendicular to the 3rd side C；The tank lid 17 is 300~500mm of diameter cylindrical tank lid, and the tank lid 17 is justified
Distance of the heart away from the 3rd side C and second side B is 200~300mm；2 level electrode installing ports 171 are located at circle
On the diameter line of shape tank lid 17 and both are uniform arranged apart, at a distance of 200~300mm.
Claims (9)
1. a kind of freezing and refrigeration cabinet performance testing device artificial snow-making system, including steam mixing spray unit, water tank (1) and to
The steam mixing spray unit provides the air compressor (2) of compressed air, it is characterised in that：Water tank (1) bottom surface is set
There are delivery port (11) and artificial snow-making feed water inlet (12), the water tank (1) is away from the delivery port (11) and artificial snow-making feed water inlet
(12) side is provided with water inlet (13), and the water tank (1) passes through the delivery port (11), water inlet (13) and wind-cooled cold-water
Unit (3) connects and forms Water-cooling circulating loop, and the artificial snow-making feed water inlet (12) connects with steam mixing spray unit.
2. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 1, it is characterised in that：The delivery port
(11) and artificial snow-making feed water inlet (12) are close to the first side of described water tank (1), and the delivery port (11) and artificial snow-making supply water
The line of mouthful (12) is parallel to the first side, the water inlet (13) is located at the water tank (1) and the first side
In the relative second side and bottom surface away from the water tank (1).
3. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 1, it is characterised in that：The steam is mixed
Close spray unit include connect with the artificial snow-making feed water inlet (12) and along between test (4) length direction arrangement jet pipe (51) and
The tracheae (52) connected with the air compressor (2), the jet pipe (51) is provided with multiple along between jet pipe (51) length direction
It is in charge of (53) every the vertical water spray of arrangement, the water spray, which is in charge of (53) end and is provided with shower nozzle (54), the shower nozzle (54), to be set
Have in the compressed air inlet port (541) connected with the tracheae (52), the shower nozzle (54) between the test of gas-liquid mixture direction
(4) wall and spray diagonally downward, the shower nozzle (54) and the angle being in charge of between (53) axis of spraying water are 30~60 °.
4. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 1, it is characterised in that：The water tank
(1) it is made up of double-deck 304 stainless steel plate, polyurathamc interlayer, the water tank is provided with the middle of double-deck 304 stainless steel plate
(1) 304 outside stainless steel plates constitute shell and thickness is 1~1.2mm, and 304 internal stainless steel plates of the water tank (1) are constituted
Inner bag and thickness are 1.8~2.2mm, and the thickness of interlayer is 30~50mm.
5. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 1, it is characterised in that：The air pressure
Contracting machine (2) selects oil-free air compressor, and the cooling by wind (3) selects industrial water unit.
6. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 2, it is characterised in that：The water tank
(1) first side is provided with water supplement port (14) and is provided with level monitoring pipe (15), and water supplement port (14) the arrangement height is slightly
Higher than the water inlet (13)；Water tank (1) bottom surface is provided with overfall, the water tank (1) described provided with being vertically connected on
Overflow pipe (16) at overfall, a little higher than water supplement port (14) of height of the overflow pipe (16)；At the top of the water tank (1)
Provided with tank lid (17), the tank lid (17) is provided with two level electrode installing ports (171) away from each other, described in two
Difference in height between the level electrode installed in level electrode installing port (171) is in 25~35mm；The water tank (1) with first
The 3rd adjacent side, which is provided with the RTD installing port (18) for being used for monitoring water temperature and is provided with, sideways is easy to personnel to overhaul
Staircase (6), the RTD installing port (18) is close to the water tank (1) sole arrangement；Water tank (1) the bottom center position
Provided with discharge outlet (19).
7. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 3, it is characterised in that：The shower nozzle
(54) runner is provided with, the runner includes liquid approach section (54a), the steam mixing section arranged along fluid stream outgoing direction
(54b) and steam spray section (54c), and the steam mixing section (54b) is provided with the air inlet (541), the air inlet
(541) be located at steam mixing section (54b) middle part, the end flow diameter of the liquid approach section (54a) be gradually reduced and
In closing in shape, the flow diameter that the steam sprays section (54c) gradually increases and opening-like.
8. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 3, it is characterised in that：The jet pipe
(51) the vertical water spray that end positions are installed be in charge of (53) and shower nozzle (54) density be install 8 on every meter of jet pipe (51) at equal intervals~
12, the vertical water spray that jet pipe (51) centre position is installed is in charge of (53) and shower nozzle (54) density on every meter of jet pipe (51)
6~8 are installed at equal intervals.
9. freezing and refrigeration cabinet performance testing device artificial snow-making system as claimed in claim 6, it is characterised in that：The liquid enters
The closing in angle for entering the end runner of section (54a) is 30~45 °, and the opening angle that the steam sprays the runner of section (54c) is
45~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191371.6A CN107062727B (en) | 2017-03-28 | 2017-03-28 | Snow making system for performance testing device of freezing and refrigerating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191371.6A CN107062727B (en) | 2017-03-28 | 2017-03-28 | Snow making system for performance testing device of freezing and refrigerating cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107062727A true CN107062727A (en) | 2017-08-18 |
| CN107062727B CN107062727B (en) | 2020-06-02 |
Family
ID=59618172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191371.6A Active CN107062727B (en) | 2017-03-28 | 2017-03-28 | Snow making system for performance testing device of freezing and refrigerating cabinet |
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| Country | Link |
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| CN (1) | CN107062727B (en) |
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| CN108870819A (en) * | 2018-05-16 | 2018-11-23 | 何晓明 | A kind of spray high temperature snowmaker |
| CN109253565A (en) * | 2018-08-21 | 2019-01-22 | 珠海格力电器股份有限公司 | Snowfall simulation system and snowfall control method |
| CN113514235A (en) * | 2021-04-28 | 2021-10-19 | 北京建筑大学 | Nozzle and nucleon device test equipment for snow maker |
| CN114370728A (en) * | 2021-12-14 | 2022-04-19 | 合肥通用机械研究院有限公司 | Real-time monitoring method and device for snow making density of snow making machine and readable storage medium |
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| CN108870819A (en) * | 2018-05-16 | 2018-11-23 | 何晓明 | A kind of spray high temperature snowmaker |
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| CN114370728A (en) * | 2021-12-14 | 2022-04-19 | 合肥通用机械研究院有限公司 | Real-time monitoring method and device for snow making density of snow making machine and readable storage medium |
| CN114370728B (en) * | 2021-12-14 | 2024-02-02 | 合肥通用机械研究院有限公司 | Real-time monitoring method and device for snow making density of snow making machine and readable storage medium |
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|---|---|
| CN107062727B (en) | 2020-06-02 |
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