CN105466090A - Flash tank and refrigeration system with same - Google Patents
Flash tank and refrigeration system with same Download PDFInfo
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- CN105466090A CN105466090A CN201410464533.5A CN201410464533A CN105466090A CN 105466090 A CN105466090 A CN 105466090A CN 201410464533 A CN201410464533 A CN 201410464533A CN 105466090 A CN105466090 A CN 105466090A
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Abstract
The embodiment of the invention discloses a flash tank and a refrigeration system with the same. The flash tank comprises a leading-in pipeline, a first flow regulation part and a floatable component. The leading-in pipeline is used for leading a medium into a cavity and provided with a medium inlet located in the cavity. The first flow regulation part can seal at least one part of the medium inlet of the leading-in pipeline to adjust the flow area of the medium inlet of the leading-in pipeline. The floatable component is connected with the lower end of the first flow regulation part, so that the first flow regulation part moves up and down according to the liquid level of the liquid medium in the cavity. When the liquid level is raised to make the first flow regulation part move upwards, the flow area of the medium inlet of the leading-in pipeline is decreased. While when the liquid level is lowered to make the first flow regulation part move downwards, the flow area of the medium inlet of the leading-in pipeline is increased. Through the flash tank, the inflow state of a refrigerant can be controlled more stably, and automatic regulation of the liquid level can be achieved without the aid of an electric control mode.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of flash evaporation and there is the refrigeration system of flash evaporation.
Background technology
In existing air-conditioning and refrigeration system, jet being widely used improves system capability and efficiency.In many systems, there is jet and hydrojet simultaneously.But, in above application, if the liquid level of flash evaporation does not use the control mode of electronic type, can not automatically adjust;
Summary of the invention
The object of this invention is to provide a kind of flash evaporation for refrigeration system and there is the refrigeration system of this flash evaporation, the automatic adjustment of liquid level can not be realized thus by automatically controlled mode.
According to an aspect of the present invention, the invention provides a kind of flash evaporation, comprising: housing, wherein there is chamber; Introduce the introducing pipeline in chamber for medium, this inlet tube road has the medium inlet being positioned at described chamber; First flow regulating part, this first flow regulating part can close the medium inlet of introducing pipeline at least partially, regulates the circulation area of the medium inlet of introducing pipeline thus; And can floating member, be connected with the lower end of first flow regulating part, first flow regulating part is moved up and down according to the liquid level of the medium in chamber, when liquid level raises and makes first flow regulating part move up, the circulation area introducing the medium inlet of pipeline reduces, and when liquid level reduces and makes first flow regulating part move down, the circulation area introducing the entrance of pipeline increases.
According to an aspect of the present invention, the medium flowed out from the medium inlet of described introducing pipeline flows downward along the surface of described first flow regulating part.
According to an aspect of the present invention, described first flow regulating part is rod-like element, the cross-sectional area of this rod-like element increases from top to bottom gradually, the end-enclosed being positioned at chamber of described introducing pipeline and described inlet tube road have that be positioned at described chamber, run through the tube wall introducing pipeline on roughly vertical direction through hole, this through hole forms described medium inlet, rod-like element at least when extreme higher position the end of rod-like element insert in described through hole.
According to an aspect of the present invention, described rod-like element is bullet or staged rod-like element.
According to an aspect of the present invention, described flash evaporation also comprises: the heat-exchange device being arranged on the bottom in described chamber, and is arranged on the upper plate washer on the top in described chamber, and on this, plate washer comprises multiple through hole.
According to an aspect of the present invention, described flash evaporation also comprises: the heat-exchange device being arranged on the top in described chamber.
According to an aspect of the present invention, described flash evaporation also comprises: for drawing the liquid medium outlet of the liquid medium in chamber.
According to an aspect of the present invention, described flash evaporation also comprises: being arranged on can the second flow regulating part of lower end of floating member, this the second flow regulating part can close the outlet of described liquid medium at least partially, regulate the circulation area of liquid media outlet thus, when first flow regulating part moves up, the circulation area of liquid medium outlet increases, and when first flow regulating part moves down, the circulation area of liquid medium outlet reduces.
According to an aspect of the present invention, described second flow regulating part is rod-like element, the cross-sectional area of this rod-like element reduces from top to bottom gradually, and the outlet of described liquid medium is limited by the pipeline vertically extended, and described second flow regulating part at least inserts described pipeline when extreme lower position.
According to an aspect of the present invention, described flash evaporation also comprises: be arranged on the support in described chamber, for keeping first flow regulating part, make first flow regulating part roughly in the vertical direction move.
According to an aspect of the present invention, described Bracket setting under described introducing pipeline, and has the shape of roughly plate-like, and described support has the through hole that in the vertical direction runs through described support, and first flow regulating part is directed in this through hole.
According to an aspect of the present invention, described heat-exchange device is coil pipe.
According to an aspect of the present invention, the invention provides a kind of refrigeration system, comprising: compressor; Above-mentioned flash evaporation; And injector, this injector is connected between the gaseous medium outlet of flash evaporation and compressor.
According to an aspect of the present invention, described flash evaporation also comprises the liquid medium outlet for drawing the liquid medium in chamber, and the outlet of this liquid medium is connected with the liquid medium entrance of injector.
According to an aspect of the present invention, described flash evaporation also comprises the heat-exchange device be arranged in the described chamber of described flash evaporation, this heat-exchange device carries out heat exchange for the medium making to flow through in the medium of heat-exchange device and chamber, and has and to flow into for medium and to flow out the port of heat-exchange device; Described refrigeration system also comprises: condenser, and the medium inlet of this condenser is connected with the media outlet of compressor, and the media outlet of this condenser is connected with the introducing pipeline of flash evaporation; Evaporimeter, the medium inlet of this evaporimeter exports with the liquid medium of flash evaporation and is connected, the media outlet of this evaporimeter is connected with the medium inlet of compressor, and a port of described heat-exchange device is connected with the media outlet of condenser, and another port is connected with the medium inlet of evaporimeter.
According to an aspect of the present invention, described refrigeration system also comprises: be arranged on the control valve between the liquid medium outlet of described flash evaporation and the liquid medium entrance of injector, and this control valve is for regulating the flow of the medium of the liquid medium entrance flowing into injector.
According to an aspect of the present invention, the aperture of described control valve controls based on the operational factor of refrigeration system or compressor, and described operational factor comprises at least one in delivery temperature, pressure at expulsion, condensing pressure, evaporating pressure.
According to an aspect of the present invention, described refrigeration system also comprises: be arranged on the throttling arrangement on described introducing pipeline, for controlling the flow introducing the medium in described chamber by introducing pipeline.
It is more stable that the inflow state of cryogen can control by flash evaporation of the present invention, can not realize the automatic adjustment of liquid level by automatically controlled mode.In addition, liquid refrigerants can realize cold in flash evaporation.Moreover, use the refrigeration system of flash evaporation of the present invention to can be implemented on jet basis, carry out hydrojet by injector simultaneously, more ability can be provided like this to export, higher COP, can delivery temperature be controlled simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of refrigeration system according to an embodiment of the invention.
Fig. 2 is the schematic diagram of flash evaporation according to an embodiment of the invention.
Fig. 3 is the schematic diagram of flash evaporation according to another embodiment of the invention.
Fig. 4 is the schematic diagram of flash evaporation according to still another embodiment of the invention.
Fig. 5 is the signal chart of the circulation area of the medium inlet of flash evaporation according to an embodiment of the invention.
Fig. 6 is the diagrammatic top view of the upper plate washer of flash evaporation according to an embodiment of the invention.
Fig. 7 is the diagrammatic top view of the middle plate washer of flash evaporation according to an embodiment of the invention.
Fig. 8 is the schematic diagram of the introducing pipeline of flash evaporation according to an embodiment of the invention.
Fig. 9 is the schematic diagram of the first flow regulating part of flash evaporation according to an embodiment of the invention.
Figure 10 is the schematic diagram of the first flow regulating part of flash evaporation according to another embodiment of the invention.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention will be further described.
In existing application, if do not use the control mode of electronic type, then cannot automatically adjust to the liquid level of flash evaporation.In addition, jet mass dryness fraction can not be guaranteed, the functional characteristics of flash evaporation and heat exchanger cannot be combined.Existing flash evaporation integrated level is low, and self does not have the controlling functions of liquid level, can not ensure enough jet mass dryness fractions.
As shown in Figure 1, can comprise according to the refrigeration system of the embodiment of the present invention: compressor 111, flash evaporation 100, injector 118, condenser 112, evaporimeter 113 and connect the pipeline of above-mentioned parts.Injector 118 is connected between the gaseous medium outlet 1 of flash evaporation 100 and compressor 111.
Fig. 2 is the schematic diagram of flash evaporation according to an embodiment of the invention.As shown in Figure 2, flash evaporation 100 comprises: housing 2, and this housing 2 is limited with chamber 21; Introduce pipeline 10, for being introduced by medium in chamber 21, this introducing pipeline 10 has the medium inlet 101 being positioned at described chamber 21; First flow regulating part 7, this first flow regulating part 7 can close the medium inlet 101 of introducing pipeline 10 at least partially, regulates the circulation area of the medium inlet 101 of introducing pipeline 10 thus; And can floating member 71, this can be connected with the lower end of first flow regulating part 7 by floating member 71, first flow regulating part 7 is moved up and down according to the liquid level of the liquid medium in chamber 21, when liquid level raises and makes first flow regulating part 7 move up, the circulation area introducing the medium inlet 101 of pipeline 10 reduces, and when liquid level reduces and makes first flow regulating part 7 move down, the circulation area introducing the medium inlet 101 of pipeline 10 increases.Medium can be cold-producing medium.
As shown in Figure 2, the medium flowed out from the medium inlet 101 of described introducing pipeline 10 flows downward along the surface of described first flow regulating part 7.
As shown in Fig. 2,9,10, described first flow regulating part 7 can be rod-like element, and the cross-sectional area of this rod-like element increases gradually from the one end be connected with medium inlet 101.Introduce the end-enclosed being positioned at chamber 21 of pipeline 10 and introduce pipeline 10 and have that be positioned at described chamber 21, run through the tube wall introducing pipeline 10 on roughly vertical direction through hole 102, this through hole forms medium inlet 101.Rod-like element at least when the extreme higher position of fluctuating the end (such as upper end) of rod-like element insert in through hole 102.Rod-like element can be bullet or staged rod-like element.In addition, first flow regulating part 7 also can be plate-like piece and have the width increased gradually from top to bottom, this plate-like piece cover introduce pipeline 10 end medium inlet 101 on (end of pipeline 10 is opening and does not have in through hole 102).Can be connected with the lower end of first flow regulating part 7 by floating member 71, first flow regulating part 7 is moved up and down according to the liquid level of the liquid medium in chamber 21, when liquid level rising makes first flow regulating part 7 move up, the circulation area introducing the medium inlet 101 of pipeline 10 reduces, and when liquid level reduction makes first flow regulating part 7 move down, the circulation area introducing the medium inlet 101 of pipeline 10 increases.In addition, first flow regulating part 7 also can be the parts of other form any, as long as realize the adjustment of the circulation area of medium inlet 101.Therefore first flow regulating part 7 is not limited to any concrete form.As shown in Figure 2, flash evaporation 100 also comprises: be arranged on the heat-exchange device 9 in described chamber 21, and this heat-exchange device 9 carries out heat exchange for the medium making to flow through in the medium of heat-exchange device 9 and chamber 21.Described heat-exchange device 9 can be coil pipe.As shown in Figure 1, 2, flash evaporation 100 also comprises: for drawing the liquid medium outlet 6 of the liquid medium in chamber 21, this liquid medium outlet 6 can be connected with the liquid medium entrance 1181 of injector 118.Thus, can be implemented on jet basis, carry out hydrojet by injector simultaneously, more ability can be provided like this to export, higher COP, can delivery temperature be controlled simultaneously
As shown in Figure 2,3, described heat-exchange device 9 can be arranged on top in described chamber 21 or bottom.The medium flowing through heat-exchange device 9 can be any suitable medium, such as cold-producing medium.When described heat-exchange device 9 is arranged on the top in described chamber 21, plate washer 3 can not be set.
Fig. 4 shows the flash evaporation 100 of another kind of embodiment, the flash evaporation 100 of this embodiment is that flash evaporation 100 also comprises with the main distinction of the flash evaporation 100 of the embodiment shown in Fig. 2 Fig. 3: the second flow regulating part 72, this the second flow regulating part 72 is arranged on can the lower end of floating member 71, liquid media outlet 6 can be closed at least partially, regulate the circulation area of liquid media outlet 6 thus, when first flow regulating part 7 moves up, the circulation area of liquid medium outlet 6 increases, and when first flow regulating part 7 moves down, the circulation area of liquid medium outlet 6 reduces.Namely, when first flow regulating part 7 moves up, the circulation area that second flow regulating part 72 and liquid medium export the gap that 6 are formed increases, and when first flow regulating part 7 moves down, the circulation area that the second flow regulating part 72 and liquid medium export the gap that 6 are formed reduces.Described second flow regulating part 72 can be rod-like element, the cross-sectional area of this rod-like element reduces from top to bottom gradually, and described liquid medium outlet 6 can be limited by the pipeline vertically extended, and the second flow regulating part 72 at least inserts in described pipeline when the extreme lower position fluctuated.
As shown in Fig. 2,7, described flash evaporation 100 can also comprise: be arranged on the middle baffle plate 4 that can be used as support in described chamber 21, for keeping first flow regulating part 7, first flow regulating part 7 can only roughly be moved by the vertical direction.The middle baffle plate 4 that can be used as support is arranged on the below of described introducing pipeline 10, and there is the shape of roughly plate-like, middle baffle plate 4 has the through hole 41 running through described middle baffle plate 4 on the axial direction of vertical direction or first flow regulating part 7, and first flow regulating part 7 is directed in this through hole 41.
As shown in Fig. 2 to 4 and 7, middle baffle plate 4 has external annular portion, and this external annular portion has multiple through hole circumferentially arranged, and approximate horizontal setting.Middle baffle plate 4 also has the intermediate annular portion from the downward-sloping certain angle of external annular portion, this intermediate annular portion can relative to external annular portion tilt 0 to 15 degree.Middle baffle plate 4 also has the core in intermediate annular portion, and through hole 41 is arranged on the central authorities of core.Middle baffle plate 4 can also have the flange portion from the edge of the through hole 41 of core to downward-extension.First flow regulating part 7 is directed in the space that this through hole 41 and flange portion are formed.By this structure, liquid medium is concentrated to the core of middle baffle plate 4, more liquid medium flows downward along the surface of described first flow regulating part 7 thus, because the core of liquid medium to middle baffle plate 4 is concentrated, the liquid medium accumulating in external annular portion is less, be more conducive to gaseous medium pass through from the through hole of external annular portion, and flow to the top of middle baffle plate 4, thus promote being separated of gaseous medium and liquid medium.
As illustrated in fig. 1 and 2, the liquid medium outlet 6 of flash evaporation 100 is connected with the liquid medium entrance 1181 of injector 118.The medium inlet 1121 of condenser 112 is connected with the media outlet 1112 of compressor 111, and the media outlet 1122 of this condenser 112 is connected with the introducing pipeline 10 of flash evaporation 100.The medium inlet 1131 of evaporimeter 113 exports 6 with the liquid medium of flash evaporation 100 and is connected, and the media outlet 1132 of evaporimeter 113 is connected with the medium inlet 1111 of compressor.Heat-exchange device 9 has for medium inflow and the port 8,5 flowing out heat-exchange device.A port 5 of described heat-exchange device 9 is connected with the media outlet 1122 of condenser 112, and another port 5 is connected with the medium inlet 1131 of evaporimeter 113.
As shown in Figure 1, refrigeration system can also comprise: be arranged on the control valve 117 between the liquid medium outlet 6 of described flash evaporation 100 and the liquid medium entrance 1181 of injector 118, and this control valve 117 is for regulating the flow of the medium of the liquid medium entrance 1181 flowing into injector 118.Aperture based on the operational factor control and regulation valve 117 of refrigeration system or compressor controls, such as, in delivery temperature, pressure at expulsion, condensing pressure, evaporating pressure at least one.
As shown in Figure 1, jet, liquid spraying function are combined by injector 118 by flash evaporation 100.Middle throttling arrangement 114 (accessible site is on flash evaporation 100) is placed on pipeline section B, and can be throttle pipe (throttle pipe accessible site is on flash evaporation 100), or throttling arrangement 114 in the middle of being realized by capillary.Control valve 117 as liquid injection valve can be magnetic valve or with step function control valve and be arranged on hydrojet pipeline section C, control valve 117 realizes valve body by the delivery temperature of compressor 111 or pressure at expulsion or condensing pressure or evaporating pressure as input signal and opens or the control of aperture.When the delivery temperature of refrigeration system exceedes design temperature, liquid refrigerants will spray into compressor 111 via hydrojet pipeline section C by injector 118 until delivery temperature declines, or when compressor 111 operates at the high pressure ratio operating mode of a certain setting, control valve 117 is opened and is realized liquid spraying function.Refrigeration system can also comprise the check valve 119 be arranged on jet pipeline section D, is jetly back to flash evaporation 110 for preventing.Realized cold at the refrigerant at pipeline section A place by flash evaporation 100, thus improved the population size of refrigeration system.Pipeline section A can be the bypass of pipeline B.When the liquid level of flash evaporation 100 raises, because the circulation area of flash evaporation import 101 (Fig. 2) reduces, unnecessary refrigerant will flow through pipeline section A and enter evaporimeter 113 by flash evaporation 100 through expansion valve 116.Expansion valve 116 can be electronic expansion valve also can be heating power expansion valve.
As shown in Figure 1, 2, flash evaporation 100 has Liquid level function and condensed fluid to cross cold function.Introduce pipeline 10 to be connected with middle throttling arrangement 114, gas is injected to compressor 111 by gaseous medium outlet 1, and liquid flow to expansion valve 115 by liquid medium outlet 6.Upper plate washer 3 can carry out gas-liquid separation further.The heat exchanger 9 being placed in the such as coil pipe in flash evaporation 100 can not only increase the mass dryness fraction of saturated gas, can also realize cold to the highly pressurised liquid in pipe.As shown in Figure 6, upper plate washer 3 comprises multiple through hole.Through hole, for making the gas-liquid separation of medium, is namely flowed downward by through hole for liquid medium, and gas medium is upwards flowed by through hole.Upper plate washer 3 can be arranged on the top of introducing pipeline 10.In the embodiment shown in Fig. 3 and 4, plate washer 3 is not set.
Flash evaporation of the present invention has the automatic control function of liquid level and flow.In embodiment shown in Fig. 2 to 3, the common ground of flash evaporation 100 is all have shaft-like first flow regulating part 7, first flow regulating part 7 enables feed liquor along the flowing of the surface of first flow regulating part 7, like this when liquid level declines, can reduce the fluctuation of liquid level.Fig. 8 is the top view introducing pipeline 10, medium inlet 101 (diameter D2) is passed by first flow regulating part 7, by the buoyancy of floating member 72, described first flow regulating part 7 is moved up and down, thus the circulation area of medium inlet 101 is changed, as shown in Figure 5.
In this way, when liquid level is higher, little circulation area makes flash evaporation 100 that liquid coolant can be stoped to enter in flash evaporation 100, and when liquid level is lower, large circulation area makes flash evaporation 100 that more liquid can be allowed to enter in flash evaporation 100 cavity 21.
As shown in Figures 9 and 10, it is stepped that first flow regulating part 7 can be arranged to shown in Fig. 9, or be arranged to the bullet shown in Figure 10.By this geometry, the circulation area of medium inlet 101 can realize level or step-less adjustment.Under first flow regulating part 7 is arranged to the stair-stepping situation shown in Fig. 9, first flow regulating part 7 has three sections that diameter is D3, D4, D5 respectively.As shown in Figure 7, the diameter of the through hole 41 of middle baffle plate 4 is D1.As shown in Figure 8, the diameter introducing the medium inlet 101 of pipeline 10 is D2.Fig. 5 describes the circulation area under different liquid level (basic, normal, high).
Such as, as Fig. 2, 5, shown in 10, (diameter increases the multistage of first flow regulating part 7 gradually from top to bottom, such as three sections, diameter is D3 respectively, D4, D5) one section in enters the part introducing the medium inlet 101 of pipeline 10 or the first flow regulating part 7 (diameter increases gradually from top to bottom) of taper and enters introducing pipeline 10, thus can by introducing the diameter D2 of medium inlet 101 and the difference entering the diameter of the part of the medium inlet 101 of introducing pipeline 10 of first flow regulating part 7 of pipeline 10, regulate size or the area of the annular gap between medium inlet 101 and the part entering the medium inlet 101 of introducing pipeline 10 of first flow regulating part 7 of introducing pipeline 10, regulate the size of the circulation area of the medium inlet 101 of introducing pipeline 10 thus.Such as, for stair-stepping first flow regulating part 7 (Fig. 9), one section in three sections of first flow regulating part 7 can enter in the medium inlet 101 of introducing pipeline 10, when liquid level rising makes first flow regulating part 7 move up, such as, when liquid level is basic, normal, high three kinds of liquid levels respectively, the circulation area introducing the medium inlet 101 of pipeline 10 can be determined by D2-D3, D2-D4, D2-D5 respectively.Namely along with first flow regulating part 7 moves up, first the circulation area introducing the medium inlet 101 of pipeline 10 is determined by D2-D3, is determined afterwards, finally determined by D2-D5 by D2-D4.
As shown in Figure 4, on the basis of the flash evaporation 100 shown in Fig. 1, flash evaporation 100 can be provided with the second flow regulating part 72 further, and such as, the shape of floating member 72 is improved to and can exports 6 forms matched with liquid medium.In this way, flash evaporation 100 can, by the liquid level in flash evaporation 100 cavity, realize entering/flow out certainly controlling of flash evaporation cold medium flux simultaneously.
In addition, flash evaporation 100 of the present invention has refrigerant and crosses cold function.As shown in Figures 2 to 4, the common ground of three embodiments is all be integrated with condenser coil as heat exchanger 9 in flash evaporation 100, the refrigerant flowed through in pipe can be undertaken cold by the refrigerant through middle throttling arrangement 114, realize excessively cold before low pressure throttling of high pressure refrigerant in this way, the function of plate type heat exchanger can be implemented.
Moreover middle throttling arrangement 114 accessible site is in flash evaporation 100.Middle throttling arrangement 114 (such as, throttle pipe) is integrated in flash evaporation 114, thus realizes the flash evaporation with throttling function.In addition, the refrigeration system of flash evaporation of the present invention can be implemented on jet basis, carries out hydrojet by injector simultaneously, more ability can be provided like this to export, higher COP, can control delivery temperature simultaneously.
Claims (18)
1. a flash evaporation, comprising:
Housing, wherein has chamber;
Introduce the introducing pipeline in chamber for medium, this inlet tube road has the medium inlet being positioned at described chamber;
First flow regulating part, this first flow regulating part can close the medium inlet of introducing pipeline at least partially, regulates the circulation area of the medium inlet of introducing pipeline thus; And
Can floating member, be connected with the lower end of first flow regulating part, first flow regulating part is moved up and down according to the liquid level of the medium in chamber, when liquid level raises and makes first flow regulating part move up, the circulation area introducing the medium inlet of pipeline reduces, and when liquid level reduces and makes first flow regulating part move down, the circulation area introducing the entrance of pipeline increases.
2. flash evaporation according to claim 1, wherein
The medium flowed out from the medium inlet of described introducing pipeline flows downward along the surface of described first flow regulating part.
3. flash evaporation according to claim 1, wherein
Described first flow regulating part is rod-like element, the cross-sectional area of this rod-like element increases from top to bottom gradually, the end-enclosed being positioned at chamber of described introducing pipeline and described inlet tube road have that be positioned at described chamber, run through the tube wall introducing pipeline on roughly vertical direction through hole, this through hole forms described medium inlet, rod-like element at least when extreme higher position the end of rod-like element insert in described through hole.
4. flash evaporation according to claim 3, wherein
Described rod-like element is bullet or staged rod-like element.
5. flash evaporation according to claim 1, also comprises:
Be arranged on the heat-exchange device of the bottom in described chamber, and
Be arranged on the upper plate washer on the top in described chamber, on this, plate washer comprises multiple through hole.
6. flash evaporation according to claim 1, also comprises:
Be arranged on the heat-exchange device on the top in described chamber.
7. flash evaporation according to claim 1, also comprises:
For drawing the liquid medium outlet of the liquid medium in chamber.
8. flash evaporation according to claim 7, also comprises:
Being arranged on can the second flow regulating part of lower end of floating member, this the second flow regulating part can close the outlet of described liquid medium at least partially, regulate the circulation area of liquid media outlet thus, when first flow regulating part moves up, the circulation area of liquid medium outlet increases, and when first flow regulating part moves down, the circulation area of liquid medium outlet reduces.
9. flash evaporation according to claim 8, wherein
Described second flow regulating part is rod-like element, and the cross-sectional area of this rod-like element reduces from top to bottom gradually, and the outlet of described liquid medium is limited by the pipeline vertically extended, and described second flow regulating part at least inserts described pipeline when extreme lower position.
10. the flash evaporation according to claim 1 or 3, also comprises:
Be arranged on the support in described chamber, for keeping first flow regulating part, make first flow regulating part roughly in the vertical direction move.
11. flash evaporations according to claim 10, wherein
Described Bracket setting under described introducing pipeline, and has the shape of roughly plate-like, and described support has the through hole that in the vertical direction runs through described support, and first flow regulating part is directed in this through hole.
12. flash evaporations according to claim 5, wherein
Described heat-exchange device is coil pipe.
13. 1 kinds of refrigeration systems, comprising:
Compressor;
Flash evaporation as described in claim 1-12 any one; And
Injector, this injector is connected between the gaseous medium outlet of flash evaporation and compressor.
14. refrigeration systems according to claim 13, wherein
Described flash evaporation also comprises the liquid medium outlet for drawing the liquid medium in chamber, and the outlet of this liquid medium is connected with the liquid medium entrance of injector.
15. refrigeration systems according to claim 13, wherein
Described flash evaporation also comprises the heat-exchange device be arranged in the described chamber of described flash evaporation, this heat-exchange device carries out heat exchange for the medium making to flow through in the medium of heat-exchange device and chamber, and has and to flow into for medium and to flow out the port of heat-exchange device;
Described refrigeration system also comprises: condenser, and the medium inlet of this condenser is connected with the media outlet of compressor, and the media outlet of this condenser is connected with the introducing pipeline of flash evaporation;
Evaporimeter, the medium inlet of this evaporimeter exports with the liquid medium of flash evaporation and is connected, and the media outlet of this evaporimeter is connected with the medium inlet of compressor,
A port of described heat-exchange device is connected with the media outlet of condenser, and another port is connected with the medium inlet of evaporimeter.
16. refrigeration systems according to claim 14, also comprise:
Be arranged on the control valve between the liquid medium outlet of described flash evaporation and the liquid medium entrance of injector, this control valve is for regulating the flow of the medium of the liquid medium entrance flowing into injector.
17. refrigeration systems according to claim 16, wherein
The aperture of described control valve controls based on the operational factor of refrigeration system or compressor,
Described operational factor comprises at least one in delivery temperature, pressure at expulsion, condensing pressure, evaporating pressure.
18. refrigeration systems according to claim 13, also comprise:
Be arranged on the throttling arrangement on described introducing pipeline, for controlling the flow introducing the medium in described chamber by introducing pipeline.
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| CN201410464533.5A CN105466090A (en) | 2014-09-12 | 2014-09-12 | Flash tank and refrigeration system with same |
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| CN201410464533.5A CN105466090A (en) | 2014-09-12 | 2014-09-12 | Flash tank and refrigeration system with same |
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| CN109269157A (en) * | 2018-11-01 | 2019-01-25 | 珠海格力电器股份有限公司 | Evaporator, ejector reflux system of evaporator and air conditioning unit |
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| CN203719273U (en) * | 2014-02-18 | 2014-07-16 | 美的集团股份有限公司 | Flash evaporator and air conditioner |
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Application publication date: 20160406 |