CN108120121A - Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system - Google Patents
Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system Download PDFInfo
- Publication number
- CN108120121A CN108120121A CN201810023161.0A CN201810023161A CN108120121A CN 108120121 A CN108120121 A CN 108120121A CN 201810023161 A CN201810023161 A CN 201810023161A CN 108120121 A CN108120121 A CN 108120121A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- flash distillation
- liquid storage
- pipe
- coil pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B43/006—Accumulators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention provides a kind of evaporator and with its Gas-supplying enthalpy-increasing refrigeration system.Evaporator includes coil pipe and flash distillation mechanism, and flash distillation mechanism is arranged on coil pipe, and flash distillation mechanism includes the flash distillation passage connected with coil pipe and the air supply passage for carrying out tonifying Qi to predetermined structure.Evaporator in the present invention gives the problem of refrigerating chamber cools down, reduces irreversible loss and the relatively low efficiency that excessive heat transfer temperature difference is made using the intermediate pressure refrigerant that flash distillation generates, and can reduce the heat transfer loss of refrigerating chamber, make Gas-supplying enthalpy-increasing system energy efficiency higher.
Description
Technical field
The present invention relates to technical field of refrigerating devices, in particular to a kind of evaporator and with its Gas-supplying enthalpy-increasing
Refrigeration system.
Background technology
For two-storage temperature refrigerator, technology is mostly one recycle loop refrigerator system at present, and for such system, only there are one evaporations
Temperature, and evaporating temperature is determined by the relatively low freezer temperature of temperature requirement, for refrigerating chamber, compartment temperature and evaporation temperature
Degree has 25 DEG C or so of the temperature difference, and excessive heat transfer temperature difference can cause irreversible loss to increase, and cycle efficieny reduces.
Technology also has double circulation loop refrigerator refrigeration system at present, and cardinal principle is added in Series Sheet round-robin basis
One bypass circulation, the system are matched with different evaporating temperatures to different cold, are greatly reduced excessive heat transfer
The irreversible loss that the temperature difference is made, but there are the shortcomings that refrigerant distribution unevenness for the triple valve of connecting bypass circuit and major loop.
Existing Gas-supplying enthalpy-increasing technology, flash vessel present in system store the gas-liquid two-phase cold-producing medium of intermediate pressure,
Gas refrigerant is passed through compressor by blowdown pipe and carries out second vapor injection, and liquid refrigerant enters evaporator system after being throttled again
Cold, flash vessel needs to carry out isothermal holding to prevent loss of refrigeration capacity in increasing enthalpy system under normal circumstances.In addition, refrigerator system
In due to freezer compressor be mostly single cylinder compression, increasing enthalpy technology is difficult to be applied in refrigerator.
The content of the invention
It is existing to solve it is a primary object of the present invention to provide a kind of evaporator and with its Gas-supplying enthalpy-increasing refrigeration system
There is the problem of cycle efficieny of the two-storage temperature refrigerator in technology is low.
To achieve these goals, the present invention provides a kind of evaporator, including coil pipe and flash distillation mechanism, flash distillation mechanism is set
It puts on coil pipe, flash distillation mechanism includes the flash distillation passage connected with coil pipe and leads to for carrying out the tonifying Qi of tonifying Qi to predetermined structure
Road.
Further, the short transverse of coil pipe along evaporator is spiraled setting, and flash distillation mechanism further includes the first blowdown pipe, flash distillation
Orifice plate and flash distillation liquid storage pipe, the short transverse of flash distillation liquid storage pipe along evaporator extend and are connected with the outlet section of coil pipe, first
Blowdown pipe is connected to the top of flash distillation liquid storage pipe, and flash distillation liquid storage pipe is connected by flashing orifice plate with coil pipe, flashes logical on orifice plate
Hole forms flash distillation passage.
Further, it is scale copper to flash orifice plate.
Further, flash on orifice plate and be provided with 5 to 20 through holes.
Further, a diameter of 5mm to 10mm of through hole.
Further, it is 30 ° to 60 ° to flash orifice plate and the angle of vertical direction.
Further, the liquid storage height of evaporator is 0.2~0.4 times of height of evaporator.
Further, flashing mechanism includes flash distillation liquid storage device and U-tube, and coil pipe is connected with flash distillation liquid storage device, flashes liquid storage
Device is located at the inducer of coil pipe, and the first end of U-tube is worn to the outside of flash distillation liquid storage device, and the second end of U-tube is located at flash distillation
In liquid storage device and more than the liquid level in flash distillation liquid storage device, U-tube forms air supply passage.
Further, it is provided with oil return hole on U-tube.
Further, oil return hole is located at the minimum point of U-tube.
Further, a diameter of 0.5mm to 1.5mm of oil return hole.
Further, the short transverse of coil pipe along evaporator is spiraled setting, and flash distillation liquid storage device is located at the horizontal pipe section of coil pipe
On.
Further, the air inlet of U-tube is located at the highest point of evaporator.
Further, the liquid storage height of evaporator is 0.1~0.3 times of height of evaporator.
According to another aspect of the present invention, a kind of Gas-supplying enthalpy-increasing refrigeration system is provided, including refrigeration evaporator, evaporator
For above-mentioned evaporator.
Further, Gas-supplying enthalpy-increasing refrigeration system further includes the piston compressor with injection supercharging, condenser, dried
Filter, first throttle element, the second restricting element and refrigerating evaporator, wherein, piston compressor, condenser, dry filter
Device, first throttle element, the coil pipe of refrigeration evaporator, the second restricting element and refrigerating evaporator are successively set on the same circuit
On, the first blowdown pipe or U-tube of refrigeration evaporator are connected with the blowdown pipe of piston compressor.
It is provided with due to being provided with flash distillation mechanism on the coil pipe of the evaporator in the present invention, and in the flash distillation mechanism and coil pipe
The air supply passage of connection and the air supply passage for the predetermined structures such as compressor to be carried out with tonifying Qi, by flashing the effect of passage,
Convenient for being passed through the refrigerant of medium temperature and medium pressure to flash distillation mechanism, by the effect of air supply passage, can be added into compressor in medium temperature
The gaseous coolant of pressure so that evaporator of the invention has flash distillation effect, when the refrigeration using the evaporator of the present invention as refrigerator
Evaporator can make Gas-supplying enthalpy-increasing system eliminate flasher components so that have the Gas-supplying enthalpy-increasing system of the evaporator of the present invention
The structure of system is simplified, and at the same time, the intermediate pressure refrigerant generated using flash distillation is given refrigerating chamber and cooled down, and is reduced
The problem of irreversible loss and relatively low efficiency that big heat transfer temperature difference is made, the heat transfer loss of refrigerating chamber can be reduced, increase tonifying Qi
Enthalpy system energy efficiency higher.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the front view of the first embodiment of the evaporator of the present invention；
Fig. 2 diagrammatically illustrates the front view of the scattered steaming orifice plate of the evaporator of the present invention；
Fig. 3 diagrammatically illustrates the front view of the second embodiment of the evaporator of the present invention；
Fig. 4 diagrammatically illustrates the annexation figure of the Gas-supplying enthalpy-increasing refrigeration system of the present invention；And
Fig. 5 diagrammatically illustrates the pressure-enthalpy chart of the Gas-supplying enthalpy-increasing refrigeration system of the present invention.
Reference sign：
10th, coil pipe；11st, inducer；12nd, outlet section；20th, mechanism is flashed；21st, the first blowdown pipe；22nd, orifice plate is flashed；
221st, through hole；23rd, liquid storage device is flashed；24th, U-tube；241st, oil return hole；25th, liquid storage pipe is flashed；30th, piston compressor；40th, it is cold
Condenser；50th, device for drying and filtering；60th, first throttle element；70th, the second restricting element；80th, refrigerating evaporator.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, without being used to describe specific order or precedence.It should be appreciated that it so uses
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps clearly listed or unit, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to shown in Fig. 1 to Fig. 3, according to an embodiment of the invention, a kind of evaporator, evaporator bag of the invention are provided
Coil pipe 10 and flash distillation mechanism 20 are included, wherein, flash distillation mechanism 20 is arranged on coil pipe 10, and flash distillation mechanism 20 includes connecting with coil pipe 10
Flash distillation passage and for predetermined structure (such as compressor) carry out tonifying Qi air supply passage.
By being provided with flash distillation mechanism 20 on the coil pipe 10 of evaporator in this present embodiment, and set in the flash distillation mechanism 20
There are the flash distillation passage connected with coil pipe 10 and the air supply passage for the predetermined structures such as compressor to be carried out with tonifying Qi, it is logical by flashing
The effect in road,, can be into compressor by the effect of air supply passage convenient for being passed through the refrigerant of medium temperature and medium pressure to flash distillation mechanism 20
Add the gaseous coolant of medium temperature and medium pressure so that evaporator of the invention has flash distillation effect, when using evaporator of the invention as
The refrigeration evaporator of refrigerator can make Gas-supplying enthalpy-increasing system eliminate flasher components so that have the evaporator of the present invention
The structure of Gas-supplying enthalpy-increasing system is simplified, and at the same time, the intermediate pressure refrigerant generated using flash distillation is given refrigerating chamber and dropped
Temperature, the problem of reducing irreversible loss and the relatively low efficiency that excessive heat transfer temperature difference is made, can reduce the heat transfer damage of refrigerating chamber
It loses, makes Gas-supplying enthalpy-increasing system energy efficiency higher.
It is shown in Figure 1, in the first embodiment of the evaporator of the present invention, short transverse disk of the coil pipe 10 along evaporator
Rotation is set, and flash distillation mechanism 20 includes the first blowdown pipe 21, flash distillation orifice plate 22 and flash distillation liquid storage pipe 25, and the flash distillation liquid storage pipe 25 is along steaming
The short transverse of hair device extends and is connected with the outlet section 12 of coil pipe 10, and the first blowdown pipe 21 is connected to the top of flash distillation liquid storage pipe 25
End, the flash distillation liquid storage pipe 25 carry out tonifying Qi by flashing orifice plate 22 to coil pipe 10, and the through hole 221 flashed on orifice plate 22 forms flash distillation
Passage.
It by coil pipe 10 is in this present embodiment spiraled setting along the short transverse of evaporator, and flashes mechanism 20 to be also
Extend along the short transverse of evaporator, and between the first blowdown pipe 21 and coil pipe 10 connected by flashing orifice plate 22, just
It is simple in structure in carrying out flash distillation effect, and convenient for carrying out tonifying Qi to compressor, it is easy to implement.
Preferably, the flash distillation orifice plate 22 in the present embodiment is circular scale copper, certainly, in the other embodiment of the present invention
In, flash distillation orifice plate 22 can also be arranged to other shapes, as long as other modes of texturing under the design of the present invention, exist
Within protection scope of the present invention.
Be provided with 5 to 20 through holes 221 on flash distillation orifice plate 22 in the present embodiment, and the aperture of through hole 221 for 5mm extremely
10mm gives refrigerating chamber cooling convenient for addition intermediate pressure refrigerant in flash distillation liquid storage pipe 25, reduces excessive heat transfer temperature difference
The problem of irreversible loss and relatively low efficiency for making.
Preferably, the angle of the flash distillation orifice plate 22 in the present embodiment and vertical direction is 30 ° to 60 °, when into coil pipe 10
Add refrigerant when, the refrigerant of medium temperature and medium pressure is enabled to enter the horizontal segment of coil pipe 10 as much as possible, convenient for coil pipe 10
Interior refrigerant carries out heat exchange.
According to the above embodiments it is recognised that the evaporator of the present invention includes coil pipe 10, import is provided on coil pipe 10
Section 11, flash distillation orifice plate 22, flash distillation liquid storage pipe 25, flash distillation liquid storage pipe 25 is cylinder liquid storing barrel shape, by flashing orifice plate 22
It is communicated with coil pipe 10.It is circular scale copper further to flash orifice plate 22, and a diameter of 5~10mm is distributed with 5~20 thereon
Through hole 221, is located at evaporator coil 10 and flash distillation 25 switching phase of liquid storage pipe, and circular scale copper is pressed from both sides with evaporator vertical direction
Angle is in 30 °~60 ° scopes.In evaporator for ensure the load of refrigerating chamber and tonifying Qi be normally carried out need to have certain saturated solution
Cryogen, liquid storage height are 0.2~0.4 times of evaporator height.
It is shown in Figure 3, according to the second embodiment of the present invention, provide a kind of evaporator, the evaporation in the present embodiment
The structure of device and the evaporator in first embodiment is essentially identical, the difference is that the flash distillation mechanism 20 in the present embodiment includes
Liquid storage device 23 and U-tube 24 are flashed, coil pipe 10 is connected with flash distillation liquid storage device 23, and flash distillation liquid storage device 23 is located at the inducer of coil pipe 10
11, the first end of U-tube 24 is worn to the outside of flash distillation liquid storage device 23, and the second end of U-tube 24 is located in flash distillation liquid storage device 23
And more than liquid level in flash distillation liquid storage device 23, U-tube 24 forms air supply passage, and the gas refrigerant after flash distillation is by U-tube 24
Fill into compressor.
Oil return hole 241 is provided on U-tube 24 in the present embodiment, which is located at the minimum point of U-tube 24,
Preferably, a diameter of 0.5mm to 1.5mm of oil return hole 241.
Coil pipe 10 in the present embodiment is also to spiral settings along the short transverse of evaporator, flashes liquid storage device 23 and is located at coil pipe
On 10 inducer 11.The air inlet of U-tube 24 is located at the highest point of evaporator, cold convenient for supplementing medium temperature and medium pressure into coil pipe 10
Matchmaker.
Be in the difference of first embodiment includes flash distillation liquid storage device 23, U-tube 24, oil return hole 241 in second of form,
Wherein flash distillation liquid storage device 23 is located at the inducer 11 of coil pipe 10, and oil return hole 241 is located at the lowest part of U-tube 24.Further,
Flash distillation 23 lowest part of liquid storage device have to be lower than by the lowest part of coil pipe 10, with ensure to flash in liquid storage device have always it is certain
Liquid refrigerant, liquid refrigerant storage are the 10%~30% of flash distillation 23 capacity of liquid storage device.Further, oil return hole 241 is
A diameter of 0.5~1.5mm, at the oil-enriched layer of flash distillation liquid storage device 23,24 air inlet of U-tube, which need to ensure to be higher than, passes through steaming
Send out the highest point of device.To ensure that the load of refrigerating chamber need to have certain saturated liquid refrigerant in evaporator, liquid storage is high
It spends for 0.1~0.3 times of evaporator height.
Referring to shown in Fig. 1 to Fig. 5, according to an embodiment of the invention, a kind of Gas-supplying enthalpy-increasing refrigeration system, the tonifying Qi are provided
Increasing enthalpy refrigeration system include refrigeration evaporator, have injection supercharging piston compressor 30, condenser 40, device for drying and filtering 50,
First throttle element 60, the second restricting element 70 and refrigerating evaporator 80, wherein, piston compressor 30, condenser 40, drying
Filter 50, first throttle element 60, the coil pipe 10 of refrigeration evaporator, the second restricting element 70 and refrigerating evaporator 80 are successively
It is arranged on the same circuit.
During using evaporator in first embodiment, the first blowdown pipe 21 leads to the piston compression of Gas-supplying enthalpy-increasing refrigeration system
Refrigerating evaporator 80 is led in the blowdown pipe of machine 30, refrigeration evaporator outlet by the second restricting element 70.
Preferably, 60 and second restricting element 70 of first throttle element in the present embodiment is capillary.The present embodiment
In refrigeration evaporator U-tube 24 need to upwardly extend one section after still further below tonifying Qi enter piston compressor 30, to prevent liquid system
Cryogen enters piston compressor 30.
The refrigeration evaporator of the present invention, which has, dissipates steaming effect, and the intermediate pressure refrigerant generated using flash distillation gives refrigerating chamber
The problem of cooling down, reducing irreversible loss and the relatively low efficiency that excessive heat transfer temperature difference is made.Gas-supplying enthalpy-increasing refrigeration system is taken
Two-stage series connection throttles, and avoids the shortcomings that refrigerant distribution is uneven in double circulation loop refrigerator refrigeration system.To piston compressor
30 carry out second vapor injection, effectively reduce the degree of superheat of hiigh pressure stage cylinder sucking refrigerant, reduce compressor wasted work, increase system energy
Effect carries out Gas-supplying enthalpy-increasing to piston compressor 30, can increase hiigh pressure stage and inhale gas specific volume, enable same piston compressor 30
The system for matching greater flow and bigger refrigerating capacity.
A kind of evaporator and its Gas-supplying enthalpy-increasing refrigeration system with flash distillation effect of the present invention, thermodynamic relation
Formula is：
m1(hb5-h10)=m0 (h10-h13)+(m0+m2)(hb3-hb5)+Q1
m0(hb2-hb13)=Q2
W=(m0+m1+m2) (hb6-hb5)
COP=(Q1+Q2)/W
Wherein：H is enthalpy, under be designated as corresponding states point in Fig. 5；Q1, Q2 are respectively freezer refrigeration duty；m0、
M1, m2 are respectively to have to draw inside the evaporator refrigerant evaporative mass, refrigerating evaporator evaporative mass, compressor of flash distillation effect
Emitter working fluid mass；W is compressor wasted work；COP is refrigeration system Energy Efficiency Ratio.
Referring to shown in Fig. 4 and Fig. 5, wherein b1：Refrigerating evaporator exit point；b2：Piston compressor entrance；b3：Piston
Compressor chamber pressure spot (injector diffusion mouth exit point)；b4：Piston compressor cylinder suction condition point (quasi- Two-stage Compression second
Grade compression inspiratory point)；b5：Piston compressor tonifying Qi state point；B6 piston compressor releases；b7：Condenser inlet point；b8：
Condensator outlet point；b9：Condensed liquid refrigerant undercooling point；b10：Refrigeration evaporator entrance；b11：Refrigeration evaporator saturation
Liquid refrigerant state point；b12：Refrigeration evaporator exports sub-cooled liquid refrigerant state point；b13：Refrigerating evaporator entrance.
Frequency conversion refrigerator compressor is the supply that different refrigerating capacitys are realized by changing rotating speed at present, but due to piston pressure
The organization plan limitation of contracting machine, on the premise of efficiency is ensured, the refrigerating capacity scope of same capacity compressors is limited, this hair
Gas-supplying enthalpy-increasing 26S Proteasome Structure and Function is introduced into refrigerator piston compressor by bright patent, expands the scope of its refrigerating capacity, is realized
One compressor can match the purpose of more large refrigerator volume, and the present invention is using the evaporator conduct with flash distillation effect
Refrigeration evaporator simplifies system structure, and reduces the heat transfer loss of refrigerating chamber, enables the system to effect higher.
The refrigerant that the piston compressor 30 of the present invention comes out leads to condenser 40 and is condensed into the liquid with certain degree of supercooling
Cryogen, liquid refrigerant throttling into the refrigeration evaporator with flash distillation effect through first throttle element 60, and
Gas-liquid separation is wherein carried out, gas refrigerant leads to the blowdown pipe on compressor, liquid system through the flash distillation mechanism 20 on evaporator
Cryogen, which continues on through the second restricting element 70 and throttles, to be entered refrigerating evaporator 80 to low pressure and freezes, the gas finally with certain degree of superheat
Cryogen returns to the refrigeration cycle that piston compressor 30 carries out next step.Its systematic schematic diagram is as shown in figure 4, pressure-enthalpy chart such as figure
Shown in 5.
The mode of improving energy efficiency of the present invention is that middle compression refrigerant stores up mainly using mechanism 20 is flashed in Gas-supplying enthalpy-increasing system
The advantage of liquid device since it stores middle compression refrigerant, also just has intermediate evaporating temperature, and two-storage temperature refrigerator system by chance needs
Evaporating temperature provides cold for refrigerating chamber and reduces the heat transfer temperature difference of refrigerating chamber among one.This can be described as multi-temperature refrigerator institute solely
The advantage (it can not all implement the advantage of this system in single temperature refrigerator or air-conditioning system) of tool, that is, solve Gas-supplying enthalpy-increasing system
The cold draining problem of middle flash distillation mechanism 20, there is the evaporator heat transfer excessive temperature differentials or multiloop loop system for solving Gas-supplying enthalpy-increasing refrigeration system
The problem of refrigerator refrigerant distribution is uneven.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：The present invention will
Gas-supplying enthalpy-increasing method introduces refrigerator system, and exhaust after supercharged to injection carries out tonifying Qi cooling, so can effectively reduce refrigeration
The degree of superheat of agent, so as to play the advantageous effect for the wasted work for reducing compressor.
Flash vessel and refrigeration evaporator have been carried out integrated design by the evaporator with flash distillation effect of the present invention, right
Refrigerator system structure is optimized.The evaporator with flash distillation effect that the present invention designs, utilizes the intermediate pressure system of generation
Cryogen gives refrigerating chamber cooling, can reduce irreversible loss that heat transfer temperature difference excessive in single loop system makes and efficiency is relatively low
The problem of.
Gas-supplying enthalpy-increasing refrigeration system proposed by the present invention takes two-stage series connection to throttle, and avoids double circulation loop refrigeration system
The problem of middle refrigerant distribution unevenness, better refrigeration effect and higher efficiency are reached.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of evaporator, which is characterized in that including coil pipe (10) and flash distillation mechanism (20), the flash distillation mechanism (20) is arranged on
On the coil pipe (10), the flash distillation mechanism (20) includes the flash distillation passage connected with the coil pipe (10) and for predetermined knot
Structure carries out the air supply passage of tonifying Qi.
2. evaporator according to claim 1, which is characterized in that short transverse of the coil pipe (10) along the evaporator
It spirals setting, the flash distillation mechanism (20) further includes the first blowdown pipe (21), flash distillation orifice plate (22) and flash distillation liquid storage pipe (25),
The short transverse of the flash distillation liquid storage pipe (25) along the evaporator extends and is connected with the outlet section (12) of the coil pipe (10),
First blowdown pipe (21) is connected to the top of the flash distillation liquid storage pipe (25), and the flash distillation liquid storage pipe (25) passes through the sudden strain of a muscle
It steams orifice plate (22) to be connected with the coil pipe (10), the through hole (221) on the flash distillation orifice plate (22) forms the flash distillation passage.
3. evaporator according to claim 2, which is characterized in that the flash distillation orifice plate (22) is scale copper.
4. evaporator according to claim 2, which is characterized in that be provided with 5 to 20 institutes on the flash distillation orifice plate (22)
State through hole (221).
5. evaporator according to claim 2, which is characterized in that a diameter of 5mm to 10mm of the through hole (221).
6. evaporator according to claim 2, which is characterized in that the flash distillation orifice plate (22) and the angle of vertical direction are
30 ° to 60 °.
7. the evaporator according to any one of claim 1 to 6, which is characterized in that the liquid storage height of the evaporator is institute
State the height of evaporator 0.2~0.4 times.
8. evaporator according to claim 1, which is characterized in that the flash distillation mechanism (20) includes flash distillation liquid storage device (23)
With U-tube (24), the coil pipe (10) connects with the flash distillation liquid storage device (23), and the flash distillation liquid storage device (23) is located at the disk
The inducer (11) of (10) is managed, the first end of the U-tube (24) is worn to the outside of the flash distillation liquid storage device (23), the U
The second end of shape pipe (24) is located in the flash distillation liquid storage device (23) and more than the liquid level in the flash distillation liquid storage device (23),
The U-tube (24) forms the air supply passage.
9. evaporator according to claim 8, which is characterized in that be provided with oil return hole (241) on the U-tube (24).
10. evaporator according to claim 9, which is characterized in that the oil return hole (241) is located at the U-tube (24)
Minimum point.
11. evaporator according to claim 10, which is characterized in that a diameter of 0.5mm of the oil return hole (241) is extremely
1.5mm。
12. evaporator according to claim 8, which is characterized in that height side of the coil pipe (10) along the evaporator
It is set to spiraling, the flash distillation liquid storage device (23) is located on the horizontal pipe section of the coil pipe (10).
13. evaporator according to claim 8, which is characterized in that the air inlet of the U-tube (24) is located at the evaporation
The highest point of device.
14. the evaporator according to any one of claim 8 to 13, which is characterized in that the liquid storage height of the evaporator
For 0.1~0.3 times of the height of the evaporator.
15. a kind of Gas-supplying enthalpy-increasing refrigeration system, including refrigeration evaporator, which is characterized in that the evaporator for claim 1 to
Evaporator any one of 14.
16. Gas-supplying enthalpy-increasing refrigeration system according to claim 15, which is characterized in that the Gas-supplying enthalpy-increasing refrigeration system is also
Including be pressurized with injection piston compressor (30), condenser (40), device for drying and filtering (50), first throttle element (60),
Second restricting element (70) and refrigerating evaporator (80), wherein, the piston compressor (30), the condenser (40), institute
State device for drying and filtering (50), the first throttle element (60), the coil pipe (10) of the refrigeration evaporator, the second throttling member
Part (70) and the refrigerating evaporator (80) are successively set on the same circuit, the first blowdown pipe of the refrigeration evaporator
(21) or U-tube (24) is connected with the blowdown pipe of the piston compressor (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023161.0A CN108120121A (en) | 2018-01-10 | 2018-01-10 | Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023161.0A CN108120121A (en) | 2018-01-10 | 2018-01-10 | Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120121A true CN108120121A (en) | 2018-06-05 |
Family
ID=62233902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810023161.0A Withdrawn CN108120121A (en) | 2018-01-10 | 2018-01-10 | Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108120121A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135738A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Air-supplying enthalpy-adding heat pump air conditioning system capable of promoting heat exchange performance of heat exchangers |
| CN107120859A (en) * | 2017-06-06 | 2017-09-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of cooling cycle system of refrigerator |
| CN207975874U (en) * | 2018-01-10 | 2018-10-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Evaporator and Gas-supplying enthalpy-increasing refrigeration system with it |
-
2018
- 2018-01-10 CN CN201810023161.0A patent/CN108120121A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135738A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Air-supplying enthalpy-adding heat pump air conditioning system capable of promoting heat exchange performance of heat exchangers |
| CN107120859A (en) * | 2017-06-06 | 2017-09-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of cooling cycle system of refrigerator |
| CN207975874U (en) * | 2018-01-10 | 2018-10-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Evaporator and Gas-supplying enthalpy-increasing refrigeration system with it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8091381B2 (en) | Efficient heat exchanger for refrigeration process | |
| US6237359B1 (en) | Utilization of harvest and/or melt water from an ice machine for a refrigerant subcool/precool system and method therefor | |
| US7032411B2 (en) | Integrated dual circuit evaporator | |
| CN105004100B (en) | Vapor compression refrigeration/heat pump system of single refrigerant circuit, more pressures of inspiration(Pi) | |
| CN217817557U (en) | Heat exchanger and air conditioner | |
| CN108759138B (en) | Operation method and system of secondary throttling middle incomplete cooling refrigerating system | |
| CN112050490A (en) | Evaporative cooling centrifugal water chilling unit | |
| CN105444476A (en) | Heat exchange system | |
| CN109114850A (en) | A kind of refrigeration system apparatus for supercooling | |
| CN105571198B (en) | A kind of high-efficiency refrigerating system based on cold-storage supercooling | |
| CN101169292A (en) | Capacity adjustable vortex compressor refrigeration system with mediate loop installed with ejector | |
| CN113654132B (en) | Heat pump unit | |
| CN208720565U (en) | A kind of evaporating type condensing magnetic suspension water cooler | |
| CN208832629U (en) | A kind of low-temperature cold water unit | |
| KR101305234B1 (en) | Evaporative condeser with free cooling | |
| CN207975874U (en) | Evaporator and Gas-supplying enthalpy-increasing refrigeration system with it | |
| CN106089712A (en) | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant | |
| CN109386980A (en) | A kind of cold and hot energy utility system | |
| CN205858680U (en) | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant | |
| CN108120121A (en) | Evaporator and with its Gas-supplying enthalpy-increasing refrigeration system | |
| CN205448417U (en) | Heat exchange system | |
| CN115031449A (en) | Air treatment device and air conditioner | |
| CN212253305U (en) | Refrigerator with a door | |
| US20220333834A1 (en) | Chiller system with multiple compressors | |
| CN205641303U (en) | Air conditioner refrigerator all -in -one and multistage refrigerating system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180605 |
|
| WW01 | Invention patent application withdrawn after publication |