CN206572809U - A kind of many freezer refrigerating air-flows evenly distribute system - Google Patents
A kind of many freezer refrigerating air-flows evenly distribute system Download PDFInfo
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- CN206572809U CN206572809U CN201720241795.4U CN201720241795U CN206572809U CN 206572809 U CN206572809 U CN 206572809U CN 201720241795 U CN201720241795 U CN 201720241795U CN 206572809 U CN206572809 U CN 206572809U
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Abstract
System, including at least one evaporator are evenly distributed the utility model discloses a kind of many freezer refrigerating air-flows；At least one condenser, the outlet of condenser is connected with the entrance of the evaporator；Restricting element, is arranged between the evaporator and condenser；At least two compressors and flow distributor, air-flow uniform distribution device is arranged between the evaporator and the compressor, the air-flow uniform distribution device includes main air entry and a point air entry, the main air entry of the air-flow uniform distribution device is connected with the outlet of the evaporator, each point air entry of the air-flow uniform distribution device is connected with the air inlet of single compressor, the outlet of compressor is connected with the entrance of the condenser, the low-temp low-pressure gaseous coolant of outflow in each freezer refrigerating finisher can be evenly distributed by having reached, be conducive to internal system air pressure, the stabilization of temperature, improve compressor utilization rate, reduce compressor compresses power consumption, energy-saving effect is notable.
Description
Technical field
The utility model is related to a kind of Refrigeration Technique, and more particularly to a kind of many freezer refrigerating air-flows evenly distribute system.
Background technology
Refrigeration system is to generally comprise the capital equipments such as compressor, condenser, reservoir, evaporator, constitutes a refrigeration
The circulatory system, it is adaptable to freezer refrigerating and low temperature logistics distnbution center refrigeration etc..
The basic course of work of refrigeration system is as follows：Refrigerant working medium absorption refrigeration in evaporator, Low Temperature Liquid with liquid
The body absorption latent heat of vaporization becomes refrigerant gas and is sucked and compressed by compressor, and gas compressed pressure and temperature all increases,
Condenser is flowed into afterwards, and condenser is condensed in air-cooled water cooling form to refrigerant gas, condensed high temperature high pressure liquid
It is stored in condenser bottom and reservoir, liberated heat is taken out of by equipment such as blower fan, water pumps and is scattered to ring during condensation
In border, after the liquid flow of HTHP expanded valve, evaporator absorption vaporization is entered back into the liquid condition of low-temp low-pressure latent
Heat and freeze, so complete kind of refrigeration cycle.
Existing factory of enterprise, is typically provided with multiple freezers, and each cool house internal is mounted on evaporator, and every
Evaporator one compressor of correspondence, so in process of refrigerastion, due to the difference of freezer refrigerating temperature, causes outflow in evaporator
Low-temp low-pressure gaseous coolant temperature and pressure it is different, enter compressor inside when, cause each compressor compresses consume
Can be different, some compressor overload operations, some compressor loads are too small, cause compressor utilization rate relatively low, System Reactive Power
Power consumption is more.
Utility model content
The purpose of this utility model is to provide a kind of gaseous coolant that can be evenly distributed and be flowed out in refrigeration finisher, makes
Obtain identical per compressor admission pressure, temperature, it is ensured that identical per compressor load to be dropped so as to improve compressor utilization rate
Many freezer refrigerating air-flows of low System Reactive Power power consumption evenly distribute system.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of many freezer refrigerating air-flows evenly distribute system, it is characterised in that including at least one evaporator；At least one
Condenser, the outlet of condenser is connected with the entrance of the evaporator；Restricting element, be arranged at the evaporator and condenser it
Between；At least two compressors and flow distributor, air-flow uniform distribution device are arranged at the evaporator and the compression
Between machine, the air-flow uniform distribution device includes main air entry and a point air entry, the main suction of the air-flow uniform distribution device
Gas port is connected with the outlet of the evaporator, each point of air entry of the air-flow uniform distribution device and entering for single compressor
Gas port is connected, and the outlet of compressor is connected with the entrance of the condenser.
By using above-mentioned technical proposal, in Refrigerating House Design, each freezer at least needs to be equipped with least one evaporator,
Evaporator and a corresponding at least compressor, can so ensure the normal operation of cooling cycle system, but when cold
When storehouse is more, it is necessary to number of compressors be consequently increased, so when carrying out freezer refrigerating, the low temperature of every evaporator discharge
The gaseous coolant of low pressure is inhaled into compressor internal pressure and indented out high pressure gaseous refrigerant, due to the difference of cool house internal temperature,
Cause the inlet pressure by compressor when sucking low-temp low-pressure gaseous coolant also just different, naturally compressor internal compression
Acting power consumption is also different, and blast pipe delivery temperature is different, and such situation causes the running situation of each compressor to differ larger, no
It is easy to management, also causes the utilization ratio of compressor relatively low, by the flow distributor of setting, ensure that in each freezer
The low-temp low-pressure gaseous coolant of portion's evaporator discharge is fully entered in flow distributor, the low-temp low-pressure after then mixing
Gaseous coolant is inhaled into each compressor scattered, it is ensured that distribution of air flow is uniform so that the entrance per compressor is inhaled
Atmospheric pressure is identical, and the acting power consumption of compressor internal compression is identical, and the gas temperature of blast pipe discharge is identical, so per compressor
Running situation it is consistent, convenient control management, and multiple compressors also can utilize rationally, it is to avoid a part of compressor occur
Load is larger, and the too small situation of another part compressor load occurs.
Preferably, the air-flow uniform distribution device includes offering on the distributor disk that inside offers cavity, distributor disk
Point air entry of main air entry and multiple annular arrays centered on main air entry, described point of air entry each corresponds to single compression
The air inlet of machine.
By using above-mentioned technical proposal, the low-temp low-pressure gaseous coolant of each evaporator evaporation discharge, which is concentrated, to be entered point
With in box, then it is sufficiently mixed, is uniformly sucked afterwards by a point air entry by each compressor, it is ensured that each compression
The inlet induction pressure of machine is identical, and compressed action power consumption is uniform in compressor, and the idle of compressor can be reduced to a certain extent
Consumption, the effect with energy-conservation.
Preferably, the distributor disk includes cylindrical shell and the capping positioned at cylindrical shell two ends, the capping
Center offers and main air intake duct is connected with main air entry, main air entry, and main air intake duct connects the entrance of the evaporator；Divide and inhale
A point air intake duct is connected with gas port, a point entrance of the air intake duct each with single compressor is connected, the main air intake duct and a point air-breathing
Close and connect between pipe and capping.
By using above-mentioned technical proposal, using the design of cylindrical shell, each divide air intake duct annular array in capping,
It so ensure that the gas capacity that each point of air intake duct passes through is identical, reach the effect evenly distributed.
Preferably, the diameter of the main air entry is more than the diameter of point air entry.
By using above-mentioned technical proposal, main air entry air inflow is larger, using larger-diameter air intake duct so that each
Distributed in the entrance distributor disk that the low-temp low-pressure gaseous coolant of discharge can be safely and fast in evaporator.
Preferably, the main air entry is opened in same capping with a point air entry.
By using above-mentioned technical proposal, main air entry is located in same capping with point air entry, so main air intake duct with
Point air intake duct is located at the same side, and the gas from distributor disk is entered in evaporator can be full of cavity first, then uniformly from
Be inhaled into each point of air intake duct in compressor, it is ensured that each point of air intake duct air inlet it is uniform.
Preferably, the distributor disk is square.
By using above-mentioned technical proposal, the profile of distributor disk can conveniently be opened up using square, regular distributor disk
Uniformly divide air entry evenly distributing in favor of gas.
Preferably, the distributor disk is rounded.
By using above-mentioned technical proposal, circular distributor disk can be adapted to a point air entry and be uniformly distributed, in favor of gas
Uniformly it is assigned in each compressor.
Preferably, the restricting element is electric expansion valve.
By using above-mentioned technical proposal, restricting element uses electric expansion valve, and electric expansion valve is a kind of new section
Device is flowed, is that adjustable range is big the characteristics of electric expansion valve, is active in one's movements, low temperature liquid refrigerant can be with electric expansion valve
Forward and inverse both direction flowing, it is to avoid the characteristics of heating power expansion valve only one of which direction, so when refrigeration machine is shut down, electronics
Expansion valve can completely close, and so there is no need to magnetic valve is installed at liquid refrigerants import, it is to avoid the liquid in evaporator
State refrigerant freezes.
In summary, the utility model has the advantages that：
1st, then multiple freezers pass through air-flow uniform distribution device by the way of multiple compressor parallels, it is ensured that from
The inlet induction pressure of each compressor is identical just as the acting power consumption of so that each compressor, compared to single evaporator pair
Answer the design of single compressor, compressor integrally consumes energy smaller, reactive power consumption is reduced, with energy-saving effect；
2nd, the concentration air inlet of whole refrigeration system, the mode of distribution outlet enables every compressor in stable situation
Lower operating, is not in excess load and the situation of underload, is conducive to the operation steady in a long-term of equipment, reduces maintenance
Number of times, reduces enterprise's refrigeration cost.
Brief description of the drawings
Fig. 1 is that a kind of many freezer refrigerating air-flows evenly distribute system connection diagram；
Fig. 2 is the local connection diagram that air-flow evenly distributes system；
Fig. 3 is the top view of the air-flow uniform distribution device of embodiment one；
Fig. 4 is the front view of the air-flow uniform distribution device of embodiment one；
Fig. 5 is the front view of the air-flow uniform distribution device of embodiment two；
Fig. 6 is the top view of the air-flow uniform distribution device of embodiment three.
In figure, 1, evaporator；2nd, heat exchanger；3rd, condenser；4th, compressor；5th, air-flow uniform distribution device；51st, distribute
Box；511st, housing；512nd, cover；52nd, main air intake duct；53rd, air intake duct is divided；6th, electric expansion valve；7th, liquid-sighting glass；8th, the first electromagnetism
Valve；9th, device for drying and filtering；10th, reservoir；11st, tank；12nd, oil eliminator；13rd, oily separating pipe；14th, reducing tee；15th, main row
Tracheae；16th, hot vapour pipe；161st, the second magnetic valve；17th, check-valves.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing
Mark is represented.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment one：A kind of air-flow uniform distribution device, as shown in figure 4, including distributor disk 51, main air intake duct 52 and dividing
Air intake duct 53, distributor disk 51 includes profile in the housing 511 of cylinder and the capping 512 positioned at the two ends of housing 511 of cylinder,
The inner hollow of housing 511 and it is connected out and is welded and fixed with capping 512.
As shown in Fig. 2 the center of the side of capping 512 offers the main air entry of circle and centered on main air entry
Multiple points of air entries of annular array, the diameter of main air entry, which is more than on the diameter of point air entry, main air entry, is communicated with main suction
Connection point air intake duct 53 on tracheae 52, point air entry, between main air intake duct 52 and main air entry, point air intake duct 53 and point air entry
Seam crossing be welded and fixed（Solder joint weldering is full）.
As shown in figure 1, a kind of many freezer refrigerating air-flows evenly distribute system, including evaporator 1, heat exchanger 2, compressor
4 condensers 3, liquid refrigerants liquid feeding channel, restricting element, oil eliminator 12 and air-flow uniform distribution device 5.
Be specifically described below with instantiation, as shown in Figures 1 and 2, including three but be not limited only to three evaporation
Device 1, the outlet of three evaporators 1 is connected with main air intake duct 52 respectively, and the low-temperature inlet of main air intake duct 52 and heat exchanger 2 connects
Connect, the low-temperature outlet of heat exchanger 2 is connected by main air intake duct 52 with the main air entry of distributor disk 51, point air-breathing of distributor disk 51
Mouthful by three pieces points of air intake ducts 53 with three but being not limited only to the entrance of compressor 4 of three and being individually connected.
Outlet per compressor 4 is connected with the main exhaust 15 of main exhaust 15 and is connected with reducing tee 14, reducing tee
Main exhaust 15 is divided into two branch roads by 14, wherein a branch road is connected by hot vapour pipe 16 with the high temperature inlet of heat exchanger 2,
The second magnetic valve 161 is provided with hot vapour pipe 16 is used to controlling the break-make of this branch road, the hot outlet of heat exchanger 2 respectively with
Set on the entrance connection of each evaporator 1, the pipeline between the hot outlet of heat exchanger 2 and the entrance of evaporator 1
Have check-valves 17 be used for avoid gaseous coolant from flowing back, in addition a branch road by main exhaust 15 directly with a condenser 3 but
The entrance connection of one is not limited only to, tank 11, main exhaust are provided between the outlet of compressor 4 and the entrance of condenser 3
15 pass through tank 11 for cooling, decompression.
Oil eliminator 12 is equiped between compressor 4 and condenser 3, oil eliminator 12 is connected with oily separating pipe 13,
Oily separating pipe 13 is connected with main exhaust 15, can be to the interior HTHP discharged of compressor 4 by the oil eliminator 12 of setting
Gaseous coolant carries out Oil-gas Separation, reduces the lubricating oil of compressor 4 and flows into condenser 3 and evaporator 1.
Liquid refrigerants liquid feeding channel includes being sequentially connected reservoir 10, device for drying and filtering 9, the first magnetic valve 8, liquid-sighting glass 7
And restricting element, restricting element can be connected using electric expansion valve 6, the outlet of condenser 3 with the import of reservoir 10, electric
The outlet of sub- expansion valve 6 is connected with the entrance of each evaporator 1.
The principle for evenly distributing system to many freezer refrigerating air-flows with reference to above-mentioned instantiation is described in detail, liquid
The heat that state refrigerant absorbs cool house internal in evaporator 1 is freezed, and cold wind is blown into freezer by blower fan, liquid
Refrigerant absorbs the latent heat of vaporization and becomes the gaseous coolant of low-temp low-pressure to be entered in heat exchanger 2 by main air intake duct 52, after pass through
The low-temperature outlet discharge of over-heat-exchanger 2.
The low temperature low pressure gas refrigerant discharged from the low-temperature outlet of heat exchanger 2 enters distributor disk by main air intake duct 52
In 51, the low-temp low-pressure gaseous coolant that many evaporators 1 are discharged is mixed in distributor disk 51 to be collected, and passes through each point of air intake duct 53
Sucked by each compressor 4, low-temp low-pressure gaseous coolant is compressed in compressor 4, compress the high pressure gaseous produced cold
Matchmaker is pooled in main exhaust 15 from the exhaust outlet discharge of each compressor 4, and a part of high pressure gaseous refrigerant passes through hot vapour
Pipe 16 is back to the low-temp low-pressure gaseous coolant discharged with evaporator 1 in heat exchanger 2 and carries out heat exchange, afterwards HTHP
The entrance that gaseous coolant is discharged into each evaporator 1 is circulated again, most of high pressure gaseous refrigerant warp in main exhaust 15
Water-carrying groove 11 is entered in condenser 3 after cooling and condensed, and the HTHP liquid refrigerant formed after condensation is stored in condenser 3
Bottom and reservoir 10 in, during condensation liberated heat by blower fan discharge outdoor environment in, the liquid of HTHP is cold
Matchmaker forms the moist steam of low-temp low-pressure and entered in evaporator 1 and continues to absorb the latent heat of vaporization and make after being expanded through electric expansion valve 6
It is cold.
The different temperatures of discharge and the low-temp low-pressure gaseous coolant of pressure are evenly distributed in air-flow in from each evaporator 1
Mixed in device 5 so that the gaseous coolant temperature and pressure all same discharged from air-flow uniform distribution device 5, such one
Come, the inlet pressure of each compressor 4 is identical, consume energy identical, the operating load phase of compressor 4 per the compressed action of compressor 4
Together, it is convenient that control is monitored to compressor 4, simultaneously because the gaseous coolant step dispersed by disperseing-concentration-, makes
Obtaining can run per compressor 4 in good state, in the absence of due to right caused by some freezer refrigerating Pressure Overload-induced
Answer the work excess load of compressor 4 or show because the too small caused correspondence load of compressor 4 of some freezer refrigerating pressure is too small
As having reached the reasonable utilization to compressor 4, it is ensured that the good working state of equipment, having improved refrigerating efficiency, reached section
The effect of energy.
Embodiment two：It is with the difference of embodiment one, as shown in figure 5, main air intake duct 52 is distinguished with a point air intake duct 53
In different cappings 512.
Embodiment three：It is with the difference of embodiment one, as shown in fig. 6, the profile of distributor disk 51 is square.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of many freezer refrigerating air-flows evenly distribute system, it is characterised in that including
At least one evaporator (1)；
At least one condenser (3), the outlet of condenser (3) is connected with the entrance of the evaporator (1)；
Restricting element, is arranged between the evaporator (1) and condenser (3)；
At least two compressors (4) and air-flow uniform distribution device（5）,
The air-flow uniform distribution device (5) is arranged between the evaporator (1) and the compressor (4), and the air-flow is equal
Even distributor (5) includes main air entry and a point air entry, and the main air entry of the air-flow uniform distribution device (5) steams with described
Send out the outlet connection of device (1), the air inlet of each point of air entry and single compressor (4) of the air-flow uniform distribution device (5)
Mouth connection, the outlet of compressor (4) is connected with the entrance of the condenser (3).
2. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The air-flow uniformly divides
Include offering main air entry and multiple with master on the distributor disk (51) that inside offers cavity, distributor disk (51) with device (5)
Point air entry of annular array centered on air entry, described point of air entry each corresponds to the air inlet of single compressor (4).
3. many freezer refrigerating air-flows according to claim 2 evenly distribute system, it is characterised in that：The distributor disk (51)
Capping (512) including cylindrical shell (511) and positioned at cylindrical shell (511) two ends, the center of the capping (512) is opened up
Have and main air intake duct (52) is connected with main air entry, main air entry, main air intake duct (52) connects the entrance of the evaporator (1)；
Divide on air entry and be connected with a point air intake duct (53), a point entrance of the air intake duct (53) each with single compressor (4) is connected, the master
Close and be connected between air intake duct (52) and point air intake duct (53) and capping (512).
4. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The main air entry
Diameter is more than the diameter of point air entry.
5. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The main air entry with
Air entry is divided to be opened on same capping (512).
6. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The distributor disk (51)
It is square.
7. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The distributor disk (51)
It is rounded.
8. many freezer refrigerating air-flows according to claim 1 evenly distribute system, it is characterised in that：The restricting element is
Electric expansion valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241795.4U CN206572809U (en) | 2017-03-13 | 2017-03-13 | A kind of many freezer refrigerating air-flows evenly distribute system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241795.4U CN206572809U (en) | 2017-03-13 | 2017-03-13 | A kind of many freezer refrigerating air-flows evenly distribute system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206572809U true CN206572809U (en) | 2017-10-20 |
Family
ID=60055100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720241795.4U Expired - Fee Related CN206572809U (en) | 2017-03-13 | 2017-03-13 | A kind of many freezer refrigerating air-flows evenly distribute system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206572809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661218A (en) * | 2020-07-29 | 2021-04-16 | 昆山威胜达环保设备有限公司 | High-throughput low-temperature vacuum evaporator |
-
2017
- 2017-03-13 CN CN201720241795.4U patent/CN206572809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661218A (en) * | 2020-07-29 | 2021-04-16 | 昆山威胜达环保设备有限公司 | High-throughput low-temperature vacuum evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190313 |