CN103307815B - Flash evaporator for compressor and cooling system comprising same - Google Patents
Flash evaporator for compressor and cooling system comprising same Download PDFInfo
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- CN103307815B CN103307815B CN201210060889.3A CN201210060889A CN103307815B CN 103307815 B CN103307815 B CN 103307815B CN 201210060889 A CN201210060889 A CN 201210060889A CN 103307815 B CN103307815 B CN 103307815B
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Abstract
A flash evaporator using a cooling oil circuit of a compressor for heating an interior volume, comprising: a housing defining an interior volume; a liquid refrigerant inlet in fluid communication with the interior volume; a liquid refrigerant outlet in fluid communication with the interior volume; and a refrigerant vapor outlet in fluid communication with the interior volume; characterized in that the flash evaporator further comprises a heating device for heating the inner volume, an outlet of the heating device is in fluid communication with an inlet of the cooling oil circuit of the compressor, and an inlet of the heating device is in fluid communication with an outlet of the cooling oil circuit of the compressor. The flash evaporator uses a cooling oil path of the compressor as a heating device of the inner volume, thereby saving an additional heat exchanger for the cooling oil path. Not only the structure of the cooling system is simplified, but also the heat is recycled, and the energy is saved. Also relates to a cooling system utilizing the flash evaporator.
Description
Technical field
The present invention relates to a kind of flash vessel for compressor, relate to the flash vessel that a kind of cooling oil path by compressor is used for heating internal capacity particularly.The invention still further relates to a kind of cooling system comprising this flash vessel.
Background technology
For in the compressor of cooling system, vapor injection system can be used to improve refrigerating efficiency by supplying middle pressure steam to compressor to compressor.Because middle pressure steam is slightly higher and brake specific exhaust emission pressure is slightly low than suction pressure, produce merit needed for the steam being in blowdown presssure because this reducing compressor.
Vapor injection system extracts middle pressure steam out from flash vessel usually, for being ejected in the discharge chambe of compressor, flash vessel is connected with the heat exchanger of efficiency for improving power system capacity with compressor and a pair usually, and this heat exchanger is used separately as condenser and evaporimeter according to heating mode or refrigerating mode.
Be in operation, flash vessel from condenser receiving liquid cryogen, for being transformed into middle pressure steam and sub-cooled liquid refrigerant.Because under flash vessel remains on pressure lower for Inlet fluid cold-producing medium, so some liquid refrigerant evaporates, thus improve the pressure of the gasified refrigerant in flash vessel.Remaining liquid refrigerant heat release in flash vessel also became cold, for evaporimeter.Therefore, conventional flash vessel both containing gasified refrigerant, also contained cold liquid refrigerant.
Gasified refrigerant from flash vessel is assigned in compressor presses input port, thus, gasified refrigerant be in substantially higher than leave evaporimeter gasified refrigerant but lower than the pressure of liquid refrigerant leaving compressor.Pressurize refrigerant from flash vessel makes compressor namely the cold-producing medium of pressurization can be compressible to normal output pressure after the part only passing through compressor.
Subcooled liquid is discharged and is transported in heat exchanger according to the heating mode expected or refrigerating mode from flash vessel.Because aforesaid liquid is in supercooled state, so more heat can be absorbed by heat exchanger from surrounding environment, thus improve overall heating or the cooling performance of system.
Pressurize refrigerant is regulated from flash vessel to the flowing of compressor, to guarantee only have the cold-producing medium of vaporization or minimum liquid to enter in compressor.Equally, sub-cooled liquid refrigerant is regulated from flash vessel to the flowing of heat exchanger, flow to evaporimeter to stop gasified refrigerant from flash vessel.Conventional flash vessel at its porch regulates liquid cold-producing medium to the flowing in flash vessel, to control to be fed to the amount of the gasified refrigerant of compressor in refrigerating mode and/or heating mode process and to be fed to the amount of sub-cooled liquid refrigerant of evaporimeter.
Under normal circumstances, need, for compressor is equipped with cooling oil path, to cool the heat generating components of compressor, and to provide lubrication for movable part, thus ensure that compressor can work long-term and stably.In addition, in order to ensure the normal operation of cooling oil path, also need for cooling oil path arranges heat exchanger, thus reduce the temperature of cooling machine oil, to ensure the Cooling and Lubricator function of cooling machine oil.Therefore, in the prior art in the compressor of cooling system, need for compressor arranges himself flash vessel and heat exchanger, it is complicated that this causes the pipeline of refrigeration system to connect, and cause its reliability to reduce.
In addition, in order to improve the flash evaporation effect of flash vessel, preventing the flash distillation under low temperature environment for use not enough, needing for flash vessel arranges heater.This not only makes the structure of flash vessel become complicated, and consumes large energy.
The object of the invention is to propose a kind of new-type flash vessel, thus overcome the above-mentioned problems in the prior art.
Summary of the invention
The invention provides the flash vessel that a kind of cooling oil path by compressor is used for heating internal capacity, it comprises: shell, and this shell limits internal capacity; The liquid refrigerant inlet be communicated with internal capacity fluid; The liquid refrigerant outlet be communicated with internal capacity fluid; And the refrigerant vapour to be communicated with internal capacity fluid exports; It is characterized in that, flash vessel also comprises the heater for heating internal capacity, and the outlet of this heater is communicated with the inlet fluid of the cooling oil path of compressor, and the entrance of heater is communicated with the outlet fluid of the cooling oil path of compressor.Heater is set in flash vessel and can increases flash distillation amount, avoid the generation of flash distillation not foot phenomenon.And heater is communicated with the cooling oil path fluid of compressor, the heat taken away from the cooling oil path of compressor can be utilized fully, for the internal capacity of heating flash evaporation device, and the heat exchanger of the cooling oil path for compressor need not be additionally set.Therefore, this structure linked together by heater of flash vessel and compressor can not only save heat exchanger, makes the structure of compressor become simple, and heat is obtained recycle, thus has saved energy.
According to a further aspect in the invention, the heater for flash vessel is the heat(ing) coil of the inside of the shell being arranged on flash vessel, or is arranged on the heat(ing) coil of outside of shell of flash vessel.In addition, spirally form is around the inside of the shell of flash vessel or outer setting for heat(ing) coil, and the heat adding hot fluid be conducive to coil pipe inside is passed in the internal capacity of flash vessel by fully, improves heat utilization efficiency better, thus economize energy.
In in accordance with a further aspect of the present invention, the heater for flash vessel is the heating muff of the inside of the shell being arranged on flash vessel, or is arranged on the heating muff of outside of shell of flash vessel.The heating muff of setting like this has the advantage similar to above-mentioned heat(ing) coil, and heating muff structure is more simple, and manufacturing cost is lower.
Also comprise the silk screen in the enclosure between liquid refrigerant inlet and refrigerant vapour export according to flash vessel of the present invention, this silk screen mixes with the secondary of liquid refrigerant for preventing isolated refrigerant vapour.If do not arrange silk screen, then input fluid may cause the subcooled liquid in the internal capacity of shell to mix with middle pressure steam, and thus vapor injection port may be caused to provide the middle pressure steam being mixed with subcooled liquid and infusion fluid.Excessive subcooled liquid can have a negative impact to the durability of the compressor be connected with vapor injection port with infusion fluid.
According to also one side of the present invention, flash vessel also comprises the orifice plate be positioned in the enclosure near liquid refrigerant outlet, and this orifice plate comprises at least one through hole, and for promoting the layering of liquid refrigerant, to ensure the degree of supercooling at liquid refrigerant outlet place.Liquid refrigerant and middle pressure steam that silk screen and orifice plate are in supercooled state by making flash vessel be more effectively separated into by input fluid, improve the general function of flash vessel jointly.In addition, above-mentioned orifice plate can be vertically formed substantially with the longitudinal axis of shell.But, in order to make orifice plate, favorable influence is produced to the flash distillation effect in the internal capacity of flash vessel, orifice plate can be made with becoming certain angle of inclination to be formed relative to the longitudinal axis of shell, the turbulent flow formed in input fluid can be alleviated like this, thus improve the ability that input fluid is separated into subcooled liquid and middle pressure steam by flash vessel.
In accordance with a further aspect of the present invention, described flash vessel also comprises the liquid-sighting glass formed through shell, for observing the liquid level of the liquid refrigerant in internal capacity.
According to a further aspect in the invention, described flash vessel can also comprise the liquid level sensor of the liquid level for detecting the liquid refrigerant in internal capacity.Can detect the liquid level of the liquid refrigerant in the internal capacity of flash vessel by the liquid-sighting glass and/or liquid level sensor that are arranged on suitable height and position place and control, avoid the fault because liquid level brings.
According to a preferred embodiment of the invention, liquid refrigerant inlet is formed as the liquid refrigerant that makes to enter thus and tangentially enters inner space along the inner surface of shell, make the fluid entered from liquid refrigerant inlet contact with inner surface and flow around inner surface, thus reduce the turbulent flow in input fluid.In addition, liquid refrigerant inlet is provided with entrance enlarged portion, and this entrance enlarged portion has larger volume, to reduce its flow velocity before the internal capacity of input fluid arrival shell, extends the time of staying of cold-producing medium, thus increases flash distillation amount.
Also provide a kind of refrigeration system according to the present invention, this refrigeration system comprises compressor and any one flash vessel as above, together with flash vessel and compressor to be permanently connected with vertical or horizontal layout by attaching parts.Flash vessel is pressure vessel, and the use as the flash vessel of pressure vessel can increase the service life of flash vessel, improves the environment for use of cooling system.The vertical of flash vessel and compressor or bedroom are arranged and can be arranged requirement to determine according to the arrangement requirement of cooling system or compressor, thus improve the Installation Flexibility of system, make the overall structure of cooling system become more compact.
The heater of the cooling oil path being used for compressor with the internal capacity being used for heating flash evaporation device combines by flash vessel according to a preferred embodiment of the invention, heat is recycled, saved energy, and cooling system flash vessel and compressor being set to simultaneously vertical or horizontal layout have overall structure compacter, use convenient advantage.
Accompanying drawing explanation
The accompanying drawing described in this description, only for illustrative object, is not for limiting the scope of the invention by any way.
Fig. 1 is the integrally-built schematic representation according to flash vessel of the present invention;
Fig. 2 is the sectional view that heat(ing) coil according to the present invention is arranged on the flash vessel of the inside of shell;
Fig. 3 is the sectional view that heat(ing) coil according to the present invention is arranged on the flash vessel of the outside of shell;
Fig. 4 is the sectional view of the structure according to the liquid refrigerant inlet be arranged on the shell of flash vessel of the present invention;
Fig. 5 is the sectional view that heating muff according to the present invention is arranged on the flash vessel of the inside of shell;
Fig. 6 is the sectional view that heating muff according to the present invention is arranged on the flash vessel of the outside of shell;
Fig. 7 is according to the overall diagram being in flash vessel in horizontal layout and compressor of the present invention; And
Fig. 8 is according to the overall diagram being in flash vessel in vertical and compressor of the present invention.
Detailed description of the invention
Referring to accompanying drawing, specific embodiments of the invention are described, following examples are only exemplary, not for limiting the scope of the invention, applying or purposes.
Steam sprays and can be used in air-conditioning, cooler, refrigerator and heat pump to improve capacity and the efficiency of system.Such vapor injection system can comprise receiving fluids cold-producing medium and liquid refrigerant is transformed into the flash vessel of middle pressure steam and sub-cooled liquid refrigerant.Middle pressure steam is supplied to compressor, and sub-cooled liquid refrigerant is supplied to heat exchanger.Middle pressure steam is fed to compressor and sub-cooled liquid refrigerant is fed to overall system capacity and the efficiency that heat exchanger improves air-conditioning, cooler, refrigerator and/or heat pump.
With reference to Fig. 1 and 2, provide the flash vessel 1 for said system.Flash vessel 1 comprises shell 2, the middle part 5 that shell 2 has top 3, bottom 4 and extends between top 3 and bottom 4.Top 3, bottom 4 and middle part 5 limit the internal capacity 6 of shell 2 jointly.Shell 2 comprises the liquid refrigerant inlet 7 formed through housing 2, liquid refrigerant inlet 7 forms fluid with internal capacity 6 and is communicated with, and tangentially locate with the inner surface 201 of housing 2, as shown in Figure 4, the liquid refrigerant entered from liquid refrigerant inlet 7 is made to enter internal capacity 6 along the direction tangent with inner surface 201, and around inner surface 201 along the direction flowing in figure shown in arrow F.In addition, liquid refrigerant inlet 7 is also provided with the entrance enlarged portion 71 of enlarged-diameter, and entrance enlarged portion 71 has larger volume, to reduce its flow velocity before the internal capacity 6 of input fluid arrival shell 2, extend the time of staying of cold-producing medium, thus increase flash distillation amount.
Flash vessel 1 also comprises the liquid refrigerant outlet 8 be positioned on shell 2.Liquid refrigerant outlet 8 is communicated with internal capacity 6 fluid of shell 2.Although liquid refrigerant outlet 8 is depicted as extend shell 2 downwards from the diapire of bottom 4, alternately, liquid refrigerant outlet 8 also can extend shell 2 from the sidewall of bottom 4, or otherwise can be arranged on other positions of housing 2.The sidewall diapire making liquid refrigerant outlet 8 be positioned at bottom 4 being still positioned at bottom 4 depends on to a great extent the structure of the system that the structure of flash vessel 1 self and flash vessel 1 connect.
Flash vessel 1 also comprises the refrigerant vapour outlet 9 be positioned on shell 2.This refrigerant vapour outlet 9 is communicated with internal capacity 6 fluid of shell 2, to discharge the middle pressure steam be stored in the top of internal capacity 6 to compressor 50, this can be more clearly visible in figures 7 and 8.
Flash vessel 1 according to the present invention also comprises the heater of the internal capacity 6 for heating flash evaporation device 1, and this heater can comprise heat(ing) coil or heating muff, below will elaborate.As shown in Figures 2 and 3, flash vessel 1 of the present invention is provided with heat(ing) coil 10, and heat(ing) coil 10 spirally form is arranged on inside or the outside of the shell 2 of flash vessel 1.Wherein, in fig 2, heat(ing) coil 10 is arranged on the inside of the shell 2 of flash vessel 1 spirally; In fig. 3, heat(ing) coil 10 is arranged on the outside of the shell 2 of flash vessel 1 spirally.Certainly, those skilled in the art easily expect, can arrange heat(ing) coil 10 with other suitable forms, and such as heat(ing) coil 10 can be arranged with " Z " font.The outlet 12 of heat(ing) coil 10 is communicated with entrance 53 fluid of the cooling oil path of compressor 50, and the entrance 11 of heat(ing) coil 10 is communicated with outlet 52 fluid of the cooling oil path of compressor 50, and this can be more clearly visible in figures 7 and 8.Heat(ing) coil 10 is set in flash vessel 1 and can increases flash distillation amount, avoid the generation of flash distillation not foot phenomenon.And heat(ing) coil 10 is communicated with the cooling oil path of compressor 50, the heat that cold oil is taken away from compressor 50 can be utilized fully, for the internal capacity of heating flash evaporation device, and the other heat exchanger of the cooling oil path for compressor 50 need not be set.Therefore, this structure linked together by heat(ing) coil 10 of flash vessel 1 and compressor 50 can not only save the other heat exchanger for cooling oil path, and the heat produced in compressor is recycled, thus has saved energy.Heat(ing) coil 10 is conducive to the heat adding hot fluid of coil pipe inside to be passed to fully in the internal capacity of flash vessel 1 in a spiral form around the inside of the shell 2 of flash vessel 1 or outer setting, improve heat utilization efficiency better.
As shown in Figure 5 and Figure 6, according to another embodiment of the invention, flash vessel 1 is provided with heating muff 20, and heating muff 20 is arranged on inside or the outside of the shell 2 of flash vessel 1.Wherein, heating muff 20 is arranged on the inside of the shell 2 of flash vessel 1 in figure 5, and heating muff 20 is arranged on the outside of the shell 2 of flash vessel 1 in figure 6.The outlet 22 of heating muff 20 is communicated with entrance 53 fluid of the cooling oil path of compressor 50, and the entrance 21 of heating muff 20 is communicated with outlet 52 fluid of the cooling oil path of compressor 50, and this can be more clearly visible in figures 7 and 8.The flash vessel 1 being provided with heating muff 20 has similar beneficial effect to reference to accompanying drawing 2 with the flash vessel 1 being provided with heat(ing) coil 10 described in 3.Although the heater structure of heat(ing) coil 10 and heating muff 20 two kinds of forms is only described at this and shows, it will be understood by those skilled in the art that the heater of other arbitrary forms that applicable flash vessel uses all may be utilized.
As shown in Figure 7 and Figure 8, flash vessel 1 is joined together to form a part for cooling system by attaching parts and compressor 50, the entrance 11 of the heat(ing) coil 10 of flash vessel 1 is communicated with outlet 52 fluid of the cooling oil path of the cooling system of compressor 50, the outlet 12 of the heat(ing) coil 10 of flash vessel 1 is communicated with entrance 53 fluid of the cooling oil path of the cooling system of compressor 50, and the refrigerant vapour of flash vessel 1 outlet 9 is communicated with middle pressure steam entrance 51 fluid of compressor.Flash vessel 1 is pressure vessel, together with compressor 50 is permanently connected with the vertical shown in the horizontal layout shown in Fig. 7 or Fig. 8, can be conducive to flash vessel 1 like this and be connected with the firm of compressor 50.The vertical of flash vessel 1 and compressor 50 or bedroom are arranged and can be determined according to the demand that arranges of the arrangement requirement of cooling system or compressor, thus improve the Installation Flexibility of system, make overall structure more compact.Although be illustrated with reference to the flash vessel 1 being provided with heat(ing) coil 10 at this, equally, the flash vessel 1 being provided with the heater of heating muff 20 and other types also can have above-mentioned similar arrangement with compressor 50, to form the major part of cooling system.
Referring again to accompanying drawing 2 and 3 and accompanying drawing 5 and 6, flash vessel 1 is also included in the silk screen 13 in its shell 2 between liquid refrigerant inlet 7 and refrigerant vapour export, silk screen 13 can make the refrigerant vapour flashed off pass, and for preventing the isolated refrigerant vapour being located thereon portion from mixing with the secondary of the liquid refrigerant being positioned at its underpart.If do not have silk screen 13, then input fluid may cause the sub-cooled liquid refrigerant in the internal capacity 6 of shell 2 to mix with middle pressure steam, and thus refrigerant vapour outlet 9 may be caused to provide the middle pressure steam being mixed with sub-cooled liquid refrigerant and infusion fluid.Excessive sub-cooled liquid refrigerant and infusion fluid can have a negative impact to the durability that refrigerant vapour exports 9 compressors be connected 50.
Flash vessel 1 according to the present invention is also included in shell 2 orifice plate 14 be positioned near liquid refrigerant outlet 8, and orifice plate 14 comprises at least one through hole, for promoting the layering of liquid refrigerant, to ensure the degree of supercooling at liquid refrigerant outlet 8 place.Input fluid is separated into sub-cooled liquid refrigerant and middle pressure steam by making flash vessel 1 by silk screen 13 and orifice plate 14 more effectively, jointly improves the general function of flash vessel 1.In addition, the orifice plate 14 arranged in flash vessel 1 can be vertically formed substantially with the longitudinal axis of shell 2.But produce favorable influence to make the flash distillation effect in the internal capacity 6 of orifice plate 14 pairs of flash vessels 1, orifice plate 14 can be made to form (not shown) with becoming certain angle of inclination relative to the longitudinal axis of shell 2, the turbulent flow formed in input fluid can be alleviated like this, thus improve the ability that input fluid is separated into sub-cooled liquid refrigerant and middle pressure steam by flash vessel 1.
According to the embodiment of the present invention, flash vessel 1 also comprises the liquid-sighting glass formed through shell 2, for observing the liquid level of the liquid refrigerant in the internal capacity 6 of flash vessel 1.Or can by arranging liquid level sensor, for monitoring the liquid level of the liquid refrigerant in internal capacity 6.If utilize liquid-sighting glass to monitor the liquid level of subcooled liquid in shell 2, then near preferred height liquid-sighting glass being arranged on the expectation of liquid in shell 2.If utilize liquid level sensor to replace liquid-sighting glass, then liquid level sensor can be arranged on the liquid level place of the expectation of liquid in the internal capacity 6 of shell 2, thus can measure and control the liquid level in internal capacity 6, prevent the operational failure because liquid level brings.
Although describe the present invention with reference to exemplary embodiment, but should be understood that, the present invention is not limited to the specific embodiment described in detail and illustrate herein, when not departing from appended claims limited range, those of ordinary skill in the art can make various modifications and variations to embodiment of the present invention.
Claims (17)
1., for a flash vessel for compressor, comprising:
Shell, described shell limits internal capacity;
The liquid refrigerant inlet be communicated with described internal capacity fluid;
The liquid refrigerant outlet be communicated with described internal capacity fluid; And
The refrigerant vapour be communicated with described internal capacity fluid exports;
It is characterized in that, described flash vessel also comprises the heater for heating described internal capacity, the outlet of described heater is communicated with the inlet fluid of the cooling oil path of described compressor, and the entrance of described heater is communicated with the outlet fluid of the cooling oil path of described compressor.
2. flash vessel according to claim 1, wherein, described heater is the heat(ing) coil of the inside of the described shell being arranged on described flash vessel.
3. flash vessel according to claim 1, wherein, described heater is the heat(ing) coil of the outside of the described shell being arranged on described flash vessel.
4. the flash vessel according to Claims 2 or 3, wherein, described heat(ing) coil is arranged around described shell helically.
5. flash vessel according to claim 1, wherein, described heater is the heating muff of the inside of the described shell being arranged on described flash vessel.
6. flash vessel according to claim 1, wherein, described heater is the heating muff of the outside of the described shell being arranged on described flash vessel.
7. flash vessel according to claim 1, be also included in the silk screen between described liquid refrigerant inlet and described refrigerant vapour export in described shell, described silk screen mixes with the secondary of liquid refrigerant for preventing isolated refrigerant vapour.
8. flash vessel according to claim 1, is also included in described shell the orifice plate be positioned near described liquid refrigerant outlet, described orifice plate for promoting the layering of liquid refrigerant, to ensure the degree of supercooling at described liquid refrigerant outlet place.
9. flash vessel according to claim 8, wherein, the longitudinal axis of described orifice plate and described shell is vertically formed substantially.
10. flash vessel according to claim 8, wherein, described orifice plate is formed relative to the longitudinal axis of described shell with becoming angle of inclination.
11. flash vessels according to claim 8, wherein, described orifice plate comprises at least one through hole.
12. flash vessels according to claim 1, also comprise the liquid-sighting glass formed through described shell, for observing the liquid level of the liquid refrigerant in described internal capacity.
13. flash vessels according to claim 1, also comprise the liquid level sensor of the liquid level for detecting the liquid refrigerant in described internal capacity.
14. flash vessels according to claim 1, wherein, described liquid refrigerant inlet is formed as the liquid refrigerant that makes to enter thus and tangentially enters described internal capacity along the inner surface of described shell.
15. flash vessels according to claim 1, wherein, described liquid refrigerant inlet is provided with entrance enlarged portion.
16. 1 kinds of refrigeration systems, comprise compressor and the flash vessel according to any one in claim 1-15, together with described flash vessel and described compressor to be permanently connected with vertical by attaching parts.
17. 1 kinds of refrigeration systems, comprise compressor and the flash vessel according to any one in claim 1-15, together with described flash vessel and described compressor to be permanently connected with horizontal layout by attaching parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060889.3A CN103307815B (en) | 2012-03-08 | 2012-03-08 | Flash evaporator for compressor and cooling system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060889.3A CN103307815B (en) | 2012-03-08 | 2012-03-08 | Flash evaporator for compressor and cooling system comprising same |
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| CN103307815A CN103307815A (en) | 2013-09-18 |
| CN103307815B true CN103307815B (en) | 2015-12-30 |
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| CN201210060889.3A Active CN103307815B (en) | 2012-03-08 | 2012-03-08 | Flash evaporator for compressor and cooling system comprising same |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727465B (en) * | 2014-01-09 | 2016-08-17 | 苏州承腾电子科技有限公司 | LED shadowless lamp |
| CN104848612B (en) * | 2014-02-18 | 2017-06-06 | 美的集团股份有限公司 | Flash vessel and air-conditioning |
| CN104879970B (en) * | 2015-06-03 | 2017-12-12 | 中国科学院广州能源研究所 | A kind of double centrifugation flash vessels of emptying structure changes |
| CN106196733B (en) * | 2016-08-29 | 2019-06-11 | 上海柯茂机械有限公司 | Integrating device for heat pump |
| US11009275B2 (en) * | 2018-10-12 | 2021-05-18 | Rheem Manufacturing Company | Compressor protection against liquid slug |
| US20220373241A1 (en) * | 2019-10-24 | 2022-11-24 | Johnson Controls Tyco IP Holdings LLP | Centrifugal flash tank |
| CN112880216A (en) * | 2019-11-29 | 2021-06-01 | 青岛海尔空调电子有限公司 | Multi-machine head water chilling unit |
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| CN201029401Y (en) * | 2007-05-22 | 2008-03-05 | 陕西科技大学 | Cow milk flash-braizing vessel |
| CN101457949A (en) * | 2007-12-13 | 2009-06-17 | 大连中星科技开发有限公司 | Domestic air source heat pump heating system and apparatus for coldness area |
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| CN202562145U (en) * | 2012-03-08 | 2012-11-28 | 艾默生环境优化技术(苏州)有限公司 | Flash evaporator for compressor and cooling system comprising same |
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| LU90841B1 (en) * | 2001-09-25 | 2003-03-26 | Delphi Tech Inc | Combined heating and cooling system |
| CN201858121U (en) * | 2010-11-11 | 2011-06-08 | 黄华杰 | Air compressor waste heat recovery device |
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| CN201029401Y (en) * | 2007-05-22 | 2008-03-05 | 陕西科技大学 | Cow milk flash-braizing vessel |
| CN101457949A (en) * | 2007-12-13 | 2009-06-17 | 大连中星科技开发有限公司 | Domestic air source heat pump heating system and apparatus for coldness area |
| CN201440018U (en) * | 2009-09-16 | 2010-04-21 | 珠海格力电器股份有限公司 | Flash evaporator and enthalpy jet system using same |
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