CN107120879A - Air conditioning equipment, centrifugal unit and flash tank thereof - Google Patents
Air conditioning equipment, centrifugal unit and flash tank thereof Download PDFInfo
- Publication number
- CN107120879A CN107120879A CN201710418139.1A CN201710418139A CN107120879A CN 107120879 A CN107120879 A CN 107120879A CN 201710418139 A CN201710418139 A CN 201710418139A CN 107120879 A CN107120879 A CN 107120879A
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- baffle
- flash evaporation
- gear plate
- plate
- liquid
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 103
- 239000003507 refrigerant Substances 0.000 claims abstract description 95
- 230000001502 supplementing effect Effects 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 238000001704 evaporation Methods 0.000 claims description 89
- 230000008020 evaporation Effects 0.000 claims description 89
- 239000002826 coolant Substances 0.000 claims description 27
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010792 warming 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a flash tank, comprising: the device comprises a shell, a liquid inlet, a liquid outlet and an air supplementing port, wherein the shell is provided with the liquid inlet, the liquid outlet and the air supplementing port; the baffles are arranged in the shell in a staggered mode, and flow paths for mixed refrigerants are enclosed among the baffles and between the baffles and the inner wall of the shell; a plurality of grooves or a plurality of bulges are arranged on at least one baffle; the mixed refrigerant enters the shell through the liquid inlet, is separated by the plurality of baffles, the gaseous refrigerant is sent out through the gas supplementing port, and the liquid refrigerant is sent out through the liquid outlet. Because set up a plurality of recesses or a plurality of arch in a plurality of baffles on at least one, a plurality of recesses or a plurality of arch can increase the area of contact of baffle and mixed refrigerant, enlarge the separation filter effect who mixes the refrigerant, improve the compressor and inhale the problem of liquid, avoid the compressor to produce the liquid hammer phenomenon, reduce the compressor energy consumption. The invention also provides air conditioning equipment and a centrifugal unit thereof.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air-conditioning equipment, centrifuge and its flash evaporation.
Background technology
Flash evaporation is generally used for conventional centrifuge (cold is more than 5600kW unit), DC frequency-changing centrifuge, direct current and become
In frequency heat pump centrifuge and the bipolar centrifugal chiller of DC frequency-changing.Cryogenic refrigeration agent composition expands by flash evaporation large space and dodged
Hair, produced gas refrigerant, into two grades of compressor, three stage compression, to reach the purpose for improving compressor efficiency.
Flash evaporation generally by housing, end socket, feed tube, drain pipe, blowdown pipe, baffle plate (deflection plate, liquid barrier, gas block panel,
Baffle plate), the main parts size such as gas-liquid separation device assembly composition.Various forms of baffle plates are set, in order to increased gas-liquid and mixed
Circulation path of the compound in container, realizes gas-liquid separation, it is to avoid pressed from both sides in gas by the baffling of interior panelling, gear liquid, filtering
The liquid of band produces " liquid hammer " to compressor, reduces the efficiency of compressor, it is therefore necessary to ensure separated from flash evaporation
Gas should be without liquid phase ingredient.But, the gas-liquid separation effect of baffle plate is poor in current flash evaporation, and gas is through compressor air entry
Entering fashionable can also carry some liquid secretly so that compressor produces liquid hit phenomenon, add the energy consumption of compressor, influence compressor fortune
Capable reliability.
The content of the invention
Based on this, it is necessary to increase energy consumption for compressor liquid hammer caused by current flash evaporation gas-liquid separation effect difference
Problem there is provided it is a kind of improve mixing refrigerant separating effect, avoid compressor by liquid hammer, reduce energy consumption flash evaporation, simultaneously
A kind of centrifugal chiller containing above-mentioned flash evaporation, and the air-conditioning equipment containing above-mentioned centrifugal chiller are also provided.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of flash evaporation, including:
Inlet, liquid outlet and gas supplementing opening are opened up on housing, the housing;And
Multiple baffle plates, are shifted to install in the housing, between multiple baffle plates and multiple baffle plates and the shell
The stream for being set as mixing refrigerant is enclosed between the inwall of body;Multiple grooves or multiple projections are set at least one described baffle plate;
Mix refrigerant and the housing is entered by the inlet, after multiple baffle plate separation, gaseous coolant passes through
The gas supplementing opening is sent out, and liquid refrigerants is sent out by the liquid outlet.
In one of the embodiments, the quantity of the baffle plate is four, and four baffle plates are respectively first baffle, the
Two baffle plates, third baffle and fourth gear plate, the first baffle, the second baffle and the third baffle be arranged at it is described enter
At liquid mouthful, between the first baffle, the second baffle and the third baffle and the first baffle, the second gear
Enclosed between plate, the third baffle and the inwall of the housing and be set as the stream for mixing refrigerant;
The fourth gear plate is arranged on the lower section of the gas supplementing opening, the fourth gear plate and opens up multiple passages, mixing
After refrigerant is separated by the fourth gear plate, enter the gas supplementing opening through the passage;
Set at least one in the first baffle, the second baffle, the third baffle and the fourth gear plate
The groove or the projection.
In one of the embodiments, axial direction of the first baffle with the third baffle along the flash evaporation prolongs
Stretch, the first baffle hangs down with the groove in the third baffle or the raised axial direction with the flash evaporation
Directly;
The groove on the axial direction extension of the second baffle along the vertical flash evaporation, the second baffle or
It is described raised vertical with the axial direction of the flash evaporation.
In one of the embodiments, the first baffle and the third baffle are along perpendicular to the axial direction of the flash evaporation
Direction is obliquely installed;
The angle of inclination of the first baffle with respect to the horizontal plane is within 10 °;
The angle of inclination of the third baffle with respect to the horizontal plane is within 10 °.
In one of the embodiments, the passage on the fourth gear plate is located at the described recessed of the fourth gear plate
In groove or in the projection.
In one of the embodiments, the flash evaporation also includes fifth gear plate, and the fifth gear plate is arranged at the benefit
At gas port, and positioned at the top of the fourth gear plate;
Refrigerant is mixed to be sent out by the gas supplementing opening after fourth gear plate separation, then after fifth gear plate separation.
In one of the embodiments, multiple grooves or multiple projections are also provided with the fifth gear plate;
The groove or described raised parallel with the axial direction of the flash evaporation on the fifth gear plate.
In one of the embodiments, axial direction of the fifth gear plate along the flash evaporation is obliquely installed;
The angle of inclination of the fifth gear plate is within 5 °.
In one of the embodiments, the fifth gear plate is curved or bending-type is set, and the fifth gear plate
The depression correspondence gas supplementing opening.
In one of the embodiments, the cross sectional shape of the groove is arc, shaped form, the splicing of a plurality of straight line or straight line
Formed with curve matching;
Or, the raised cross sectional shape be arc, shaped form, the splicing of a plurality of straight line or straight line and curve matching and
Into.
Further relate to a kind of centrifugal chiller, including compressor and the flash evaporation described in any technical characteristic as described above;
The gas supplementing opening of the flash evaporation is connected with the air entry of the compressor.
Further relate to a kind of air-conditioning equipment, including the centrifugal chiller as described in above-mentioned technical characteristic.
After adopting the above technical scheme, beneficial effects of the present invention are:
Air-conditioning equipment, centrifugal chiller and its flash evaporation of the present invention, mixing refrigerant enters housing by the inlet of housing,
After being separated along flow path through multiple baffle plates, gaseous coolant is sent out by gas supplementing opening, and liquid refrigerants is sent out by liquid outlet;By
Multiple grooves or multiple projections are set in multiple baffle plates at least one, and multiple grooves or multiple projections can increase gear
The area of wall inside and outside plate and the contact area for mixing refrigerant, increase mixing refrigerant collision baffle plate;Effectively solve current sudden strain of a muscle
The problem of caused compressor liquid hammer of device gas-liquid separation effect difference increases energy consumption is sent out, amplifies the separating and filtering effect of mixing refrigerant,
So as to improve gas-liquid separation reliability, the problem of improving compressor air suction band liquid, it is to avoid compressor produces liquid hit phenomenon, reduction pressure
Contracting function consumes, it is ensured that the reliability of compressor operating, and then ensures that air-conditioning equipment is normally run.
Brief description of the drawings
Fig. 1 is the broken section structural representation of the flash evaporation of one embodiment of the invention;
Fig. 2 is sectional view of the flash evaporation at A-A shown in Fig. 1;
Fig. 3 is sectional view of the flash evaporation at B-B shown in Fig. 1;
Fig. 4 is partial enlarged drawing of the flash evaporation at C shown in Fig. 1;
Fig. 5 is the partial enlarged drawing at the E shown in Fig. 3;
Fig. 6 is the sectional view of flash evaporation embodiment at D-D shown in Fig. 1, and wherein fifth gear plate is shaped as bending
Type;
Fig. 7 is the sectional view of flash evaporation another embodiment at D-D shown in Fig. 1, wherein, fifth gear plate is shaped as arc
Shape;
Fig. 8 is the broken section structural representation of the flash evaporation of another embodiment of the present invention;
Fig. 9 is the sectional view at F-F in the flash evaporation shown in Fig. 8;
Wherein:
100- flash evaporations;
110- housings;
111- shells;
1111- inlets;
1112- liquid outlets;
1113- gas supplementing openings;
112- end sockets;
120- baffle plates;
121- first baffles;
122- second baffles;
123- third baffles;
124- fourth gear plates;
1241- passages;
125- grooves;
130- fifth gear plates;
140- gas-liquid separation components.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and with reference to attached
Figure, air-conditioning equipment, centrifugal chiller and its flash evaporation of the present invention are further elaborated.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the broken section structural representation of the flash evaporation 100 of one embodiment of the invention.The present invention is provided
A kind of flash evaporation 100, the flash evaporation 100 is applied in centrifugal chiller, and low-temperature mixed refrigerant is big empty by flash evaporation 100
Between expand shwoot, produced gas coolant enters two grades of compressor, three stage compression, to reach the mesh for improving compressor efficiency
, it is ensured that heating performance and operational reliability that centrifugal chiller is run at low ambient temperatures.The flash evaporation 100 of the present invention can be put
The separating and filtering effect of big mixing refrigerant, so that gas-liquid separation reliability is improved, the problem of improving compressor air suction band liquid, it is to avoid
Compressor produces liquid hit phenomenon, reduces energy consumption of compressor, it is ensured that the reliability of compressor operating, and then ensures that air-conditioning equipment is normal
Operation.
In the present invention, flash evaporation 100 includes housing 110 and multiple baffle plates 120.Housing 110 can play storage effect,
Each parts of flash evaporation 100 may be contained within housing 110, low-temperature mixed refrigerant shwoot in the housing 110 of flash evaporation 100
Expansion is separated.Housing 110 includes the shell 111 of cylindricality and is symmetricly set in the end socket 120 at the two ends of the shell 111,
End socket 120 being capable of sealing shell 111 so that housing 110 is enclosed construction, is easy to low-temperature mixed refrigerant to carry out within the case 110
Shwoot operation is expanded, mixing refrigerant is separated into liquid refrigerants and gaseous coolant.Inlet 1111 is opened up on housing 110, goes out liquid
Mouth 1112 and gas supplementing opening 1113, inlet 1111, liquid outlet 1112 and gas supplementing opening 1113 are separately positioned on shell 111, moreover,
Inlet 1111 may be contained within the bottom of shell 111 with liquid outlet 1112, and gas supplementing opening 1113 is arranged at the top of shell 111;Dodge
Sending out device 100 also includes feed tube, drain pipe and blowdown pipe, and feed tube is arranged in inlet 1111, for into flash evaporation 100
Convey the mixing refrigerant of gaseous coolant and liquid refrigerants formation;Drain pipe is arranged in liquid outlet 1112, for by flash evaporation 100
The liquid refrigerants output of separation;Blowdown pipe is arranged in gas supplementing opening 1113, for the gaseous coolant for separating flash evaporation 100;And
And, blowdown pipe is also connected with the air entry of compressor, and gaseous coolant is transported in compressor, it is ensured that two grades of compressor, three
Level compression.It should be noted that because the physical location of inlet 1111, liquid outlet 1112 and gas supplementing opening 1113 is not obvious, because
Inlet 1111, liquid outlet 1112 and gas supplementing opening 1113 actually refer on feed tube, drain pipe and blowdown pipe in this Fig. 1
's.
Referring to Fig. 1 to Fig. 3, Fig. 2 is sectional view of the flash evaporation 100 at A-A shown in Fig. 1, and Fig. 3 is the sudden strain of a muscle shown in Fig. 1
Send out sectional view of the device 100 at B-B.Baffle plate 120 is the gas-liquid separation for realizing mixing refrigerant, and low-temperature mixed refrigerant is in shell
Impingement baffles 120 can realize the flashing expansion of low-temperature mixed refrigerant in body 110 so that point of gaseous coolant and liquid refrigerants
From, can so avoid gas supplementing opening 1113 send out gaseous coolant in entraining liquid refrigerant, then avoid compressor from liquid hammer occur
Phenomenon so that compressor operating is reliable, reduces the energy consumption of compressor, improves the efficiency of compressor.Multiple baffle plates 120 are shifted to install
In housing 110, enclose between multiple baffle plates 120 and between multiple baffle plates 120 and the inwall of housing 110 and be set as the stream for mixing refrigerant
Road.The stream being set as mixing refrigerant flowing is enclosed between adjacent baffle plate 120 and between baffle plate 120 and housing 110, refrigerant is mixed
Flowing can hit the inwall and baffle plate 120 of housing 110 respectively in stream, and mixing refrigerant can realize gas during shock
The separation of state refrigerant and liquid refrigerants.Moreover, setting multiple grooves 125 or multiple projections at least one baffle plate 120.Baffle plate
Set groove 125 or projection to increase the surface area of baffle plate 120 on 120, and then mix energy when refrigerant is in contact with baffle plate 120
Enough increase contact area, and then improve the separative efficiency of mixing refrigerant, so as to improve gas-liquid separation reliability, improve compressor and inhale
The problem of gas carrying liquid, it is to avoid compressor produces liquid hit phenomenon, reduce energy consumption of compressor, it is ensured that the reliability of compressor operating.
Mix refrigerant and housing 110 is entered by inlet 1111, after being separated through multiple baffle plates 120, gaseous coolant is by mending
Gas port 1113 is sent out, and liquid refrigerants is sent out by liquid outlet 1112.Certainly, in the other embodiment of the present invention, baffle plate 120
Also it such as can set in curved surface or other shapes using other modes to increase surface area.It should be noted that can be wherein
Groove 125 or projection are set on one baffle plate 120, also can setting groove 125 or projection on several baffle plates 120 wherein, may be used also
To set groove 125 or projection on whole baffle plates 120.As shown in figure 4, Fig. 4 is office of the flash evaporation 100 at C shown in Fig. 1
Portion's enlarged drawing, in the present embodiment, the setting groove 125 on whole baffle plates 120, groove 125 as shown in Figure 4, so
The surface area of baffle plate 120 can be increased, and then increase the contact area of mixing refrigerant and baffle plate 120, separative efficiency is improved.
Further, the quantity of baffle plate 120 is four, and four baffle plates 120 are respectively first baffle 121, second baffle
122nd, third baffle 123 and fourth gear plate 124, first baffle 121, second baffle 122 and third baffle 123 are arranged at inlet
At 1111, between first baffle 121, second baffle 122 and third baffle 123 and first baffle 121, second baffle the 122, the 3rd
Enclosed between baffle plate 123 and the inwall of housing 110 and be set as the stream for mixing refrigerant.It should be noted that first baffle 121, second
As long as the position of baffle plate 122 and third baffle 123, which is set, disclosure satisfy that mixing refrigerant flowing, mixing refrigerant separation is realized.
In the present invention, only said with the set location of the first baffle 121 shown in Fig. 1, second baffle 122 and third baffle 123
Bright, the other positions of first baffle 121, second baffle 122 and third baffle 123 set relation just not illustrate one by one herein.Tool
Body, axial direction of the first baffle 121 along flash evaporation 100 is arranged at the top of inlet 1111, and second baffle 122 is along vertical
It is arranged between the top of inlet 1111, and first baffle 121 and second baffle 122 and deposits in the axial direction of flash evaporation 100
In space, to form the stream of mixing refrigerant;Third baffle 123 is also arranged at inlet along the axial direction of flash evaporation 100
1111 top, and first baffle 121 is arranged at the lower section of third baffle 123, and setting of staggering, third baffle 123 and second
Baffle plate 122 top connection, now, between first baffle 121, second baffle 122, third baffle 123 and its with housing 110
The stream being set as mixing refrigerant flowing is enclosed between inwall, refrigerant flowing along Fig. 1 directions of arrow in stream is mixed.
Fourth gear plate 124, which is provided on the lower section of gas supplementing opening 1113, fourth gear plate 124, opens up multiple passages 1241,
After refrigerant is mixed by the separation of fourth gear plate 124, sent out through passage 1241 into gas supplementing opening 1113.Fourth gear plate 124 is set
The mixing refrigerant at gas supplementing opening 1113 can again be separated at gas supplementing opening 1113, it is to avoid the gas that gas supplementing opening 1113 is sent out
State refrigerant entraining liquid refrigerant, improves the separating effect of mixing refrigerant, to avoid compressor from liquid hit phenomenon occur, it is ensured that compressor
Reliability service.Moreover, in the present invention, housing 110 also includes symmetrically arranged installing plate, and symmetrical two installing plates, which enclose, to be located at
At gas supplementing opening 1113, for installing fourth gear plate 124.Installing plate can separate the inner chamber of housing 110, fourth gear plate 124
In the porch of installing plate, mixing refrigerant is so enabled to enter gas supplementing opening after can only being separated by fourth gear plate 124
1113 send out, to avoid the mixing refrigerant without separation from directly being sent out from gas supplementing opening 1113, it is ensured that compressor operating it is reliable
Property.Meanwhile, the passage 1241 on fourth gear plate 124 can be easy to gaseous coolant to pass through, and be easy to gaseous coolant through gas supplementing opening
1113 send out, it is ensured that compressor normally compresses operation.Also, the passage 1241 on fourth gear plate 124 is located at fourth gear plate 124
Groove 125 in or projection on.Referring to Fig. 5, Fig. 5 is the partial enlarged drawing at the E shown in Fig. 3, in the present embodiment, passage
1241 are arranged in the groove 125 of fourth gear plate 124, can so be easy to gaseous coolant by passage 1241, while can also
Liquid refrigerants is facilitated to be dripped by passage 1241.
Groove is set at least one in first baffle 121, second baffle 122, third baffle 123 and fourth gear plate 124
125 or raised.Can be with one of setting groove 125 in four baffle plates 120 or raised or four baffle plates 120
Wherein several setting grooves 125 or projection, can be with first baffle 121, second baffle 122, third baffle 123 and fourth gear
Groove 125 or projection are respectively provided with plate 124.In the present embodiment, first baffle 121, second baffle 122, third baffle 123 and
Groove 125 is respectively provided with fourth gear plate 124, to increase mixing refrigerant in the contact surface along during flow path with baffle plate 120
Product, and then improve separative efficiency.It should be noted that axial direction setting of the baffle plate 120 along flash evaporation 100 refers in the present invention
The plate face of baffle plate 120 is set towards horizontal plane, and axial direction of the baffle plate 120 along vertical flash evaporation 100, which is set, refers to baffle plate 120
Plate face is set towards left and right directions as shown in Figure 1, to avoid mixing coolant leakage, it is ensured that the separating effect of mixing refrigerant, it is to avoid
Gaseous coolant entrained liquids refrigerant is sent out from gas supplementing opening 1113, it is ensured that the reliability of compressor operating.
Yet further, axial direction of the first baffle 121 with third baffle 123 along flash evaporation 100 extends, first baffle
121 is vertical with the axial direction of flash evaporation 100 with the groove 125 in third baffle 123 or projection.So enable to first gear
The liquid for the liquid refrigerants convergence that the groove 125 of plate 121 is separated with the groove 125 of third baffle 123 flows to the interior of housing 110
Wall, and then the bottom of housing 110 is dropped in, facilitate liquid refrigerants to be sent out from liquid outlet 1112.Meanwhile, second baffle 122 along hang down
Groove 125 or the raised axial direction with flash evaporation 100 on the axial direction extension of straight flash evaporation 100, second baffle 122 hang down
Directly.The direction of groove 125 of second baffle 122 is so enabled to be arranged vertically, and then to converge in every one of groove 125
Drop be more easy to down drip with Action of Gravity Field.Moreover, referring to Fig. 8 and Fig. 9, Fig. 8 is the flash evaporation of another embodiment of the present invention
100 broken section structural representation, Fig. 9 is the sectional view at F-F in the flash evaporation 100 shown in Fig. 8.First baffle 121 with
Third baffle 123 is obliquely installed along the axial direction perpendicular to flash evaporation 100.Mixing refrigerant passes through first baffle 121 and the 3rd
After baffle plate 123 is separated, liquid refrigerants can be attached in first baffle 121 and third baffle 123, the first baffle being obliquely installed
121 can be easy to liquid refrigerants to be flowed along incline direction with third baffle 123, allow drop to be gathered in along single fixed-direction
Together so that liquid refrigerants can slide with gravity direction, the volume of the drop of convergence is also larger, is finally rolled up and inhales by gaseous coolant
The probability reduction of entrainment, it is effective to reduce absorbing gas belt liquid, the reliability of compressor operating is then improved, the hair of liquid hit phenomenon is reduced
It is raw.It is preferred that the tilt angle alpha of first baffle 121 with respect to the horizontal plane is within 10 °;Third baffle 123 is with respect to the horizontal plane
Inclination angle beta be 10 ° within.That is, first baffle 121 is overall inclined to other end with third baffle 123,
It can be inclination from front to back in Fig. 8 directions or tilt from back to front, in the present embodiment, first baffle 121 and the 3rd
Baffle plate 123 be it is inclined from back to front, as shown in Figure 9 so that first baffle 121 with third baffle 123 together with groove
125 drop at one end, is so more easy to slide with gravity direction along incline direction flowing convergence.
As a kind of embodiment, flash evaporation 100 also includes gas-liquid separation component 140, and gas-liquid separation component 140 is set
At gas supplementing opening 1113.Gas-liquid separation component 140 is arranged in installing plate, and positioned at the top of fourth gear plate 124, by the 4th
Mixing refrigerant after baffle plate 124 is separated needs to be separated again by gas-liquid separation component 140, improves gaseous coolant and liquid
The separative efficiency of refrigerant, be further ensured that gas supplementing opening 1113 send out gaseous coolant in will not entraining liquid refrigerant, with avoid pressure
There is liquid hit phenomenon in contracting machine, it is ensured that compressor reliability service.It is preferred that gas-liquid separation component 140 is including screen pack etc..
Referring to Fig. 1, Fig. 6 and Fig. 7, Fig. 6 is the sectional view of the embodiment at D-D of flash evaporation 100 shown in Fig. 1, wherein
Fifth gear plate 130 is shaped as bending-type;Fig. 7 is the sectional view of another embodiment at D-D of flash evaporation 100 shown in Fig. 1, its
In, fifth gear plate 130 is shaped as arc.Further, flash evaporation 100 also includes fifth gear plate 130, and fifth gear plate 130 is set
It is placed at gas supplementing opening 1113, and positioned at the top of fourth gear plate 124.That is, fifth gear plate 130 is arranged at gas supplementing opening 1113
Between fourth gear plate 124.Refrigerant is mixed after the separation of fourth gear plate 124, then by gas supplementing opening after the separation of fifth gear plate 130
1113 send out.In the present embodiment, fifth gear plate 130 is just to gas supplementing opening 1113, and gaseous coolant can be from week of fifth speed plate 130
Sent out while bypassing from gas supplementing opening 113.From gas-liquid separation component 140 come out gaseous coolant can also entrainment portions liquid refrigerants, should
Operative liquid refrigerant can hit fifth gear plate 130 and other walls in the steering procedure of gaseous coolant so that fifth gear plate
130 can further increase the separating and filtering efficiency of mixing refrigerant, prevent compressor air suction from ensureing with the negative effect that liquid band is come
Compressor reliability service.
Yet further, multiple grooves 125 or multiple projections are also provided with fifth gear plate 130.Groove 125 or projection can
Increase the surface area of fifth gear plate 130, and then mix when refrigerant is in contact with fifth gear plate 130 and can increase contact area, enter
And the separative efficiency of mixing refrigerant is improved, so that gas-liquid separation reliability is improved, the problem of improving compressor air suction band liquid, it is to avoid
Compressor produces liquid hit phenomenon, reduces energy consumption of compressor, it is ensured that the reliability of compressor operating.Moreover, on fifth gear plate 130
Groove 125 is raised parallel with the axial direction of flash evaporation 100.So enable to separate in the groove 125 of fifth gear plate 130
Liquid refrigerants convergence, it is to avoid gaseous coolant carry secretly.
As shown in figure 8, it is preferred that axial direction of the fifth gear plate 130 along flash evaporation 100 is obliquely installed.Inclined 5th
Baffle plate 130 can be easy to liquid refrigerants to be flowed along incline direction so that liquid refrigerants can slide with gravity direction, convergence
The volume of drop is also larger, and the probability reduction for inhaling entrainment is finally rolled up by gaseous coolant, the reliability of compressor operating is then improved,
Reduce the generation of liquid hit phenomenon.It is preferred that the tilt angle theta of fifth gear plate 130 is within 5 °, to reduce absorbing gas belt liquid phenomenon,
Ensure compressor reliability service.
Further, fifth gear plate 130 is curved or bending-type is set, and the depression correspondence of fifth gear plate 130 is mended
Gas port 1113.The surface area of fifth gear plate 130 can so be increased, then increase mixing refrigerant contact with fifth gear plate 130
Area, and then the separative efficiency of mixing refrigerant is improved, so as to improve gas-liquid separation reliability, improve compressor air suction asking with liquid
Topic, it is to avoid compressor produces liquid hit phenomenon, reduces energy consumption of compressor, it is ensured that the reliability of compressor operating.
It should be noted that the cross sectional shape of groove 125 in the present invention is arc, the splicing of shaped form, a plurality of straight line or
Straight line is formed with curve matching;Raised cross sectional shape in the present invention is arc, the splicing of shaped form, a plurality of straight line or straight line with
Curve matching is formed.The surface area of baffle plate 120 can so be increased, then the contact area of increase mixing refrigerant and baffle plate 120,
Improve separating effect.It should be noted that first baffle 121, second baffle 122, third baffle 123, fourth gear plate 124 and
The shape of the upper groove 125 of five baffle plate 130 can be with identical, can also be different, can be selected according to actual use demand.Moreover, this
The flash evaporation 100 of invention adds respective surface area in the case where not changing the overall dimensions of baffle plate 120, it is ensured that separation effect
Really, moreover, tilting installation operation simply, liquid refrigerants can be easy to flow.
The direction of arrow as shown in Figure 1, the mixing refrigerant come in from the air inlet of flash evaporation 100 hits housing 110 first
Internal face, the airflow direction of mixing refrigerant rapidly changed, and the mixing refrigerant after being redirected thereafter is left in flash evaporation 100
The flow direction of cavity integrally flows obliquely, is hit by first baffle 121 and separates and occur baffling, then strikes second
The left side of baffle plate 122 is separated again, then the separation Jing Guo third baffle 123 and and generation baffling, subsequent gaseous coolant arrival
The right chamber body of flash evaporation 100, is separated again by fourth gear plate 124, and enters gas-liquid by the passage 1241 of fourth gear plate 124
Separator assembly, the gaseous coolant from the filter screen of gas-liquid separation device assembly out still contains some liquid refrigerants, this part
Liquid refrigerants, because the effect of inertia can be impacted on fifth gear plate 130 and other walls, was played during gas turns
The effect of filter.The groove 125 on each baffle plate 120 can play the guide functions of convergence drop simultaneously, and drop is bigger, on it
The probability for rising air-flow entrainment is relatively also smaller, and relative droplet flow resistance is also small, easily drippage.
Present invention also offers the flash evaporation 100 in a kind of centrifugal chiller, including compressor and any of the above-described embodiment;Dodge
The gas supplementing opening 1113 of hair device 100 is connected with the air entry of compressor.In gaseous coolant after the processing of the expanded shwoot of flash evaporation 100
Be not in liquid refrigerants, it is to avoid liquid hit phenomenon occurs in compressor, improve the reliability of compressor operating, reduce the energy of compressor
Consumption, and then ensure centrifugal chiller even running.
Present invention also offers a kind of air-conditioning equipment, including the centrifugal chiller in above-described embodiment.The air-conditioning of the present invention is set
It is standby that cooling and warming performance is realized by centrifugal chiller, it is ensured that reliability of operation.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the record scope of this specification is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (12)
1. a kind of flash evaporation, it is characterised in that including:
Inlet (1111), liquid outlet (1112) and gas supplementing opening (1113) are opened up on housing (110), the housing (110);And
Multiple baffle plates (120), shift to install in the housing (110), between multiple baffle plates (120) and multiple gears
Enclosed between plate (120) and the inwall of the housing (110) and be set as the stream for mixing refrigerant;On at least one described baffle plate (120)
Multiple grooves (125) or multiple projections are set;
Mix refrigerant and the housing (110) is entered by the inlet (1111), after multiple baffle plate (120) separation,
Gaseous coolant is sent out by the gas supplementing opening (1113), and liquid refrigerants is sent out by the liquid outlet (1112).
2. flash evaporation according to claim 1, it is characterised in that the quantity of the baffle plate (120) is four, described in four
Baffle plate (120) is respectively first baffle (121), second baffle (122), third baffle (123) and fourth gear plate (124), described
First baffle (121), the second baffle (122) and the third baffle (123) are arranged at the inlet (1111) place, institute
State between first baffle (121), the second baffle (122) and the third baffle (123) and the first baffle (121),
Enclosed between the second baffle (122), the third baffle (123) and the inwall of the housing (110) and be set as mixing refrigerant
The stream;
The fourth gear plate (124) is arranged on the lower section of the gas supplementing opening (1113), the fourth gear plate (124) and opens up multiple
Passage (1241), after mixing refrigerant is separated by the fourth gear plate (124), enters described mend through the passage (1241)
Gas port (1113);
The first baffle (121), the second baffle (122), the third baffle (123) and the fourth gear plate (124)
In the groove (125) or the projection are set at least one.
3. flash evaporation according to claim 2, it is characterised in that the first baffle (121) and the third baffle
(123) extend along the axial direction of the flash evaporation (100), on the first baffle (121) and the third baffle (123)
The groove (125) is described raised vertical with the axial direction of the flash evaporation (100);
Axial direction of the second baffle (122) along the vertical flash evaporation (100) extends, on the second baffle (122)
The groove (125) or described raised vertical with the axial direction of the flash evaporation (100).
4. flash evaporation according to claim 3, it is characterised in that the first baffle (121) and the third baffle
(123) it is obliquely installed along the axial direction perpendicular to the flash evaporation (100);
The angle of inclination of the first baffle (121) with respect to the horizontal plane is within 10 °;
The angle of inclination of the third baffle (123) with respect to the horizontal plane is within 10 °.
5. flash evaporation according to claim 2, it is characterised in that the passage on the fourth gear plate (124)
(1241) in the groove (125) of the fourth gear plate (124) or in the projection.
6. the flash evaporation according to any one of claim 2 to 5, it is characterised in that the flash evaporation also includes fifth gear plate
(130), the fifth gear plate (130) is arranged at the gas supplementing opening (1113) place, and positioned at the upper of the fourth gear plate (124)
Side;
Refrigerant is mixed after the fourth gear plate (124) separation, then by the gas supplementing opening after the fifth gear plate (130) separation
(1113) send out.
7. flash evaporation according to claim 6, it is characterised in that be also provided with the fifth gear plate (130) multiple described
Groove (125) or multiple projections;
The groove (125) or the raised axial direction with the flash evaporation (100) on the fifth gear plate (130) are put down
OK.
8. flash evaporation according to claim 7, it is characterised in that the fifth gear plate (130) is along the flash evaporation (100)
Axial direction be obliquely installed;
The angle of inclination of the fifth gear plate (130) is within 5 °.
9. flash evaporation according to claim 6, it is characterised in that the fifth gear plate (130) is curved or bending-type
Set, and the depression correspondence gas supplementing opening (1113) of the fifth gear plate (130).
10. flash evaporation according to claim 1, it is characterised in that the cross sectional shape of the groove (125) is arc, song
Linear, a plurality of straight line splicing or straight line and curve matching are formed;
Or, the raised cross sectional shape is that arc, shaped form, the splicing of a plurality of straight line or straight line and curve matching are formed.
11. a kind of centrifugal chiller, it is characterised in that the flash evaporation including compressor and as described in any one of claim 1 to 10
(100);
The gas supplementing opening (1113) of the flash evaporation (100) is connected with the air entry of the compressor.
12. a kind of air-conditioning equipment, it is characterised in that including centrifugal chiller as claimed in claim 11.
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CN201710418139.1A CN107120879A (en) | 2017-06-06 | 2017-06-06 | Air conditioning equipment, centrifugal unit and flash tank thereof |
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CN201710418139.1A CN107120879A (en) | 2017-06-06 | 2017-06-06 | Air conditioning equipment, centrifugal unit and flash tank thereof |
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ID=59730365
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CN106642845A (en) * | 2016-11-16 | 2017-05-10 | 珠海格力电器股份有限公司 | Refrigerating device, evaporator and liquid baffle plate thereof |
CN107588582A (en) * | 2017-09-27 | 2018-01-16 | 珠海格力电器股份有限公司 | Flash tank and air conditioner |
CN107726676A (en) * | 2017-10-09 | 2018-02-23 | 珠海格力电器股份有限公司 | Heat exchanger shell and tube, heat exchanger and air conditioner |
WO2020184488A1 (en) * | 2019-03-08 | 2020-09-17 | 日冷工業株式会社 | Gas-liquid separation device |
CN112302901A (en) * | 2020-11-10 | 2021-02-02 | 珠海格力电器股份有限公司 | Multi-stage compression structure, control method and multi-stage compressor |
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CN106642845A (en) * | 2016-11-16 | 2017-05-10 | 珠海格力电器股份有限公司 | Refrigerating device, evaporator and liquid baffle plate thereof |
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CN112302901A (en) * | 2020-11-10 | 2021-02-02 | 珠海格力电器股份有限公司 | Multi-stage compression structure, control method and multi-stage compressor |
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