CN109900028B - High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable - Google Patents
High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable Download PDFInfo
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- CN109900028B CN109900028B CN201910124275.9A CN201910124275A CN109900028B CN 109900028 B CN109900028 B CN 109900028B CN 201910124275 A CN201910124275 A CN 201910124275A CN 109900028 B CN109900028 B CN 109900028B
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- 238000001704 evaporation Methods 0.000 title claims abstract description 105
- 230000008020 evaporation Effects 0.000 title claims abstract description 105
- 230000005494 condensation Effects 0.000 title claims abstract description 78
- 238000009833 condensation Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000926 separation method Methods 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 238000005057 refrigeration Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The utility model provides a high-efficient refrigerating plant of evaporation and condensation process adjustable quality, includes compressor, choke valve, adjustable quality condenser and evaporation external member, and the working medium circulates in proper order through compressor, adjustable quality condenser, choke valve and evaporation external member; the condensation heat exchange channel is provided with a first dryness adjusting component, and a condensation inlet on the condensation heat exchange channel is connected with the compressor and a condensation outlet is connected with the throttle valve; the evaporation external member includes evaporimeter and the diffuser pipe with adjustable dryness fraction, is provided with evaporation heat transfer passageway on the evaporimeter with adjustable dryness fraction, and the throttle is connected to evaporation entry on the evaporation heat transfer passageway, evaporation exit linkage diffuser pipe are provided with second dryness fraction adjusting part on the evaporation heat transfer passageway, and the diffuser pipe passes through second dryness fraction adjusting part and is connected with the compressor. The invention has simple structure, reduces material consumption, reduces space occupation of equipment, and improves the circulation energy efficiency of the refrigerating system, thereby constructing a novel refrigerating device.
Description
Technical Field
The invention relates to a refrigerating device, in particular to a high-efficiency refrigerating device with adjustable dryness in evaporation and condensation processes.
Background
The traditional vapor compression refrigeration system mainly comprises four parts of a compressor, a condenser, an evaporator, an expansion device and the like, and the refrigerant circularly works among the parts and exchanges energy with the outside to achieve the aim of refrigeration. If the traditional vapor compression refrigeration system is to improve the system efficiency or the refrigerating capacity of the refrigeration cycle, the common practice is to increase the heat exchange area of the evaporator and the condenser so as to improve the energy exchange efficiency, but the practice can obviously increase the material consumption and is unfavorable for the miniaturization of equipment; in addition, in the condensation process, steam is often condensed into condensate on the wall surface of the condenser and spreads into a liquid film, and the heat released by the condensation of the steam must pass through the liquid film, but the heat conductivity of the liquid film is poor, so that the heat transfer is seriously affected, and the condensation efficiency of the condenser is very low; in addition, in the evaporation process, the heat exchange efficiency of the traditional evaporator in a low-dryness area is not high due to the defects of low flow speed, low heat exchange coefficient and the like of the heat exchange tube in the low-dryness evaporation process, however, when the fluid is in a high-dryness nucleate boiling area, the evaporation heat exchange efficiency is obviously improved. Therefore, how to improve the working energy efficiency of the refrigeration system without increasing the heat exchange area and the occupied space of the equipment has become a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide the efficient refrigerating device with the adjustable dryness in the evaporation and condensation process, which has the advantages of simple and reasonable structure, high heat exchange efficiency and convenient use/maintenance, so as to overcome the defects in the prior art; the high-efficiency refrigerating device with adjustable dryness in the evaporation and condensation processes can effectively improve the heat exchange efficiency in the evaporation process and the condensation process without increasing the heat exchange area, save energy and working media and reduce pollution.
The high-efficiency refrigerating device with adjustable dryness in the evaporation and condensation process is designed according to the purpose and comprises a compressor and a throttle valve; the method is characterized in that: the device comprises a compressor, a dryness adjustable condenser, a throttle valve and an evaporation sleeve, and is characterized by further comprising the dryness adjustable condenser and the evaporation sleeve, wherein the compressor, the dryness adjustable condenser, the throttle valve and the evaporation sleeve are sequentially connected in a closed loop, and working media sequentially circulate through the compressor, the dryness adjustable condenser, the throttle valve and the evaporation sleeve; the condensation heat exchange channel is provided with a first dryness adjusting component, a condensation inlet on the condensation heat exchange channel is connected with the compressor, and a condensation outlet on the condensation heat exchange channel is connected with the throttle valve; the evaporation external member includes evaporimeter and diffuser pipe with adjustable dryness fraction, is provided with evaporation heat transfer passageway on the evaporimeter with adjustable dryness fraction, and the choke valve is connected to evaporation entry on the evaporation heat transfer passageway, and evaporation exit linkage diffuser pipe on the evaporation heat transfer passageway is provided with second dryness fraction adjusting part on the evaporation heat transfer passageway, and the diffuser pipe passes through second dryness fraction adjusting part and is connected with the compressor.
The structure of the first dryness adjusting component comprises the following schemes: the first dryness adjusting assembly is integrally arranged in an arc shape and comprises an outer sleeve bent pipe and an inner sleeve bent pipe, the outer sleeve bent pipe is sleeved on the outer side of the inner sleeve bent pipe, a first separation gap is arranged between the outer sleeve bent pipe and the inner sleeve bent pipe, and a first separation hole communicated with the first separation gap is formed in the inner sleeve bent pipe; the second scheme is that the whole arc that is of first dryness fraction adjusting part sets up, and it includes peripheral pipe and interior peripheral pipe, and the peripheral pipe is around locating the interior peripheral outside of tubes, communicates each other through the second separation hole between peripheral pipe and the interior peripheral pipe.
The dryness adjustable condenser comprises a condensation heat exchange pipe and a dryness adjusting header, wherein the inner cavity of the dryness adjusting header is divided into a plurality of condensation heat exchange chambers, and the condensation heat exchange pipe and the first dryness adjusting component are respectively communicated with the corresponding condensation heat exchange chambers so as to jointly form a condensation heat exchange channel, and working media are conveyed in the condensation heat exchange channel in a unidirectional manner.
The condensing heat exchange tube comprises condensing heat exchange tubes, at least one condensing inlet communicated with the condensing heat exchange channel is arranged on the condensing heat exchange tubes, and a condensing outlet communicated with the condensing heat exchange channel is arranged on the condensing heat exchange tubes.
The outer sleeve bent pipes or the peripheral pipes in the two adjacent first dryness adjusting assemblies are communicated with each other, and the outer sleeve bent pipes or the peripheral pipes are communicated with the adjacent condensation outlets.
The second dryness adjusting component comprises an outer sleeve straight pipe and an inner sleeve straight pipe, the outer sleeve straight pipe is sleeved on the outer side of the inner sleeve straight pipe, a second separation gap is formed between the outer sleeve straight pipe and the inner sleeve straight pipe, a second separation hole communicated with the second separation gap is formed in the inner sleeve straight pipe, and the second separation gap is respectively communicated with the diffusion pipe and the compressor.
The dryness adjustable evaporator comprises an evaporation heat exchange tube, the inner cavity of the straight tube of the inner sleeve is divided into a plurality of evaporation heat exchange cavities, and the evaporation heat exchange tube is communicated with the corresponding evaporation heat exchange cavities to jointly form an evaporation heat exchange channel, and working media are conveyed in one way in the evaporation heat exchange channel.
The two ends of the evaporation heat exchange tube are respectively provided with a second dryness adjusting component, at least one inner sleeve straight tube is provided with an evaporation inlet communicated with the evaporation heat exchange channel, at least one inner sleeve straight tube is provided with an evaporation outlet communicated with the evaporation heat exchange channel, and the evaporation inlet is communicated with the evaporation outlet through more than one evaporation heat exchange tube.
Compared with the prior art, the novel efficient energy-saving refrigerating device has the advantages that the structure is simple, the consumable of the heat exchange equipment can be reduced, the space occupation of the equipment is reduced to a certain extent, and the circulating energy efficiency of the refrigerating system can be obviously improved, so that the novel efficient energy-saving refrigerating device is constructed.
Drawings
Fig. 1 is a block diagram of an air conditioning system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a dryness adjustable condenser according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a first dryness adjusting component according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of a first dryness adjusting device according to the present invention.
Fig. 5 is a schematic structural diagram of an evaporation kit according to an embodiment of the invention.
Fig. 6 is a pressure-enthalpy diagram of an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-6, the efficient refrigerating device with adjustable dryness in the evaporation and condensation process comprises a compressor 1, a dryness adjustable condenser 2, a throttle valve 3 and an evaporation sleeve 4, wherein the compressor 1, the dryness adjustable condenser 2, the throttle valve 3 and the evaporation sleeve 4 are sequentially connected in a closed loop, and working medium sequentially circulates through the compressor 1, the dryness adjustable condenser 2, the throttle valve 3 and the evaporation sleeve 4; the condensation heat exchange channel is provided with a first dryness adjusting component 2.4, a condensation inlet 2.1 on the condensation heat exchange channel is connected with the compressor 1, and a condensation outlet 2.5 on the condensation heat exchange channel is connected with the throttle valve 3; the evaporation external member 4 includes evaporimeter 4.1 and diffuser 4.3 with adjustable dryness fraction, is provided with arcuate evaporation heat transfer passageway on the evaporimeter 4.1 with adjustable dryness fraction, and throttle valve 3 is connected to evaporation entry 4.2.1 on the evaporation heat transfer passageway, and diffuser 4.3 is connected to evaporation exit 4.2.4 on the evaporation heat transfer passageway, is provided with second dryness fraction adjusting element 4.2 on the evaporation heat transfer passageway, and diffuser 4.3 passes through second dryness fraction adjusting element 4.2 and is connected with compressor 1.
Further, the first dryness adjusting component 2.4 comprises the following schemes: in the first scheme (see fig. 3), the first dryness adjusting component 2.4 is integrally arc-shaped (specifically semicircular in this embodiment) and comprises an outer sleeve bent pipe 2.4.1 and an inner sleeve bent pipe 2.4.2, wherein the outer sleeve bent pipe 2.4.1 is sleeved outside the inner sleeve bent pipe 2.4.2, a sleeve-shaped first separation gap 2.4.4 is arranged between the outer sleeve bent pipe 2.4.1 and the inner sleeve bent pipe 2.4.2, and a first separation hole 2.4.3 communicated with the first separation gap 2.4.4 is arranged outside the inner sleeve bent pipe 2.4.2; scheme two (see fig. 4), the whole arc (the embodiment specifically takes the shape of a semicircle) that is set up of first dryness adjustment subassembly 2.4, and it includes peripheral pipe 2.4.1' and interior peripheral pipe 2.4.2', and peripheral pipe 2.4.1' is around locating interior peripheral pipe 2.4.2' outside, communicates each other through second separation hole 2.4.3' between peripheral pipe 2.4.1' and the interior peripheral pipe 2.4.2 '. It should be noted that, in this embodiment, the above-mentioned scheme one is selected.
Further, referring to fig. 2, the dryness adjustable condenser 2 includes a plurality of condensation heat exchange tubes 2.2 and a dryness adjustment header 2.3, an inner cavity of the dryness adjustment header 2.3 is divided into a plurality of condensation heat exchange chambers 2.3.1 by a plurality of first split flow baffles 2.3.2, the condensation heat exchange tubes 2.2 and the first dryness adjustment assemblies 2.4 are respectively communicated with the corresponding condensation heat exchange chambers 2.3.1 to jointly form the condensation heat exchange channel, and working media are conveyed in one way in the condensation heat exchange channel.
Further, two ends of the condensation heat exchange tube 2.2 are respectively provided with a dryness adjustment header 2.3, wherein one dryness adjustment header 2.3 is provided with a condensation inlet 2.1 and a condensation outlet 2.5 which are respectively communicated with a condensation heat exchange channel, and the condensation inlet 2.1 is communicated with the condensation outlet 2.5 through more than one condensation heat exchange tube 2.2 and more than one group of first dryness adjustment assemblies 2.4. Specifically, the first dryness adjustment assemblies 2.4 of the present embodiment are arranged in three groups, wherein two groups are arranged on one dryness adjustment header 2.3 together, and the rest group is arranged on the other dryness adjustment header 2.3 and is located between the condensation inlet 2.1 and the condensation outlet 2.5.
Further, on one dryness adjusting header 2.3, two adjacent outer sleeve bent pipes 2.4.1 or peripheral pipes 2.4.1' in the first dryness adjusting components 2.4 are communicated with each other through corresponding liquid discharging connecting pipes 2.4.5; on the other dryness adjusting header 2.3, the outer jacket elbow 2.4.1 or the peripheral tube 2.4.1' is communicated with the adjacent condensation outlet 2.5 through the corresponding liquid discharging connecting tube 2.4.5.
Further, the second dryness adjusting component 4.2 includes an outer sleeve straight tube 4.2.2 and an inner sleeve straight tube 4.2.3, the outer sleeve straight tube 4.2.2 is sleeved outside the inner sleeve straight tube 4.2.3, a sleeve-shaped second separation gap 4.2.7 is arranged between the outer sleeve straight tube 4.2.2 and the inner sleeve straight tube 4.2.3, a second separation hole 4.2.5 which is communicated with the second separation gap 4.2.7 is arranged on the inner sleeve straight tube 4.2.3, and the second separation gap 4.2.7 is respectively communicated with the diffuser tube 4.3 and the compressor 1.
Further, the dryness adjustable evaporator 4.1 includes a plurality of evaporation heat exchange tubes 4.4, the inner cavity of the inner sleeve straight tube 4.2.3 is divided into a plurality of evaporation heat exchange chambers 4.2.8 by a plurality of second split baffles 4.2.6, the evaporation heat exchange tubes 4.4 are communicated with the corresponding evaporation heat exchange chambers 4.2.8 to jointly form the evaporation heat exchange channel, and the working medium is conveyed in one way in the evaporation heat exchange channel.
Further, two ends of the evaporation heat exchange tube 4.4 are respectively provided with a second dryness adjusting component 4.2, an evaporation inlet 4.2.1 and an evaporation outlet 4.2.4 which are respectively communicated with the evaporation heat exchange channels are arranged on one inner sleeve straight tube 4.2.3, and the evaporation inlet 4.2.1 is communicated with the evaporation outlet 4.2.4 through more than one evaporation heat exchange tube 4.4.
Working principle:
after the working medium is discharged from the compressor 1, the working medium enters a condensation heat exchange tube 2.2 from a condensation inlet 2.1 of the dryness adjustable condenser 2 for heat exchange; after heat exchange of one tube pass, the two-phase working medium (gas-phase working medium and liquid-phase working medium) enters a dryness adjustment header 2.3, then enters an inner sleeve bent pipe 2.4.2 for dryness adjustment, the liquid-phase working medium passes through a first separation hole 2.4.3 and is discharged into a first separation gap 2.4.4 under the action of centrifugal force, then the gas-phase working medium continuously enters a subsequent tube pass for efficient condensation, and the liquid-phase working medium in the first separation gap 2.4.4 is continuously discharged into the subsequent first separation gap 2.4.4 through a liquid discharge connecting pipe 2.4.5; the subsequent tube passes continuously repeat the process until the last tube pass, the liquid phase working medium in the first separation gap 2.4.4 is mixed with the working medium in the condensation heat exchange tube 2.2, and then the mixture is discharged from the condensation outlet 2.5, and the working medium maintains high-efficiency heat exchange of high dryness in the dryness adjustable condenser 2;
The condensed working medium enters an dryness adjustable evaporator 4 after being throttled by a throttle valve 3; specifically, the working medium sequentially enters the inner sleeve straight pipe 4.2.3 and the evaporation heat exchange pipe 4.4 from the evaporation inlet 4.2.1, exchanges heat in the evaporation heat exchange pipe 4.4, is discharged from the evaporation outlet 4.2.4, enters the diffusion pipe 4.3 to be pressurized to a pressure higher than the pressure of the evaporation inlet 4.2.1, then enters the second separation gap 4.2.7, and part of the pressurized gas-phase working medium enters the inner sleeve straight pipe 4.2.3 through the second separation hole 4.2.5, so that the dryness of the working medium in the dryness-adjustable evaporator 4 is adjusted to be high-dryness efficient heat exchange flow state, the evaporation heat exchange efficiency is enhanced, and the rest of the pressurized gas-phase working medium returns to the compressor 1 to continue the refrigeration cycle.
Referring to fig. 6, the conventional refrigeration cycle process 2' →3' →4' →1' →2' is a normal reference refrigeration cycle, and the theoretical refrigeration capacity thereof is:
Δh'=mr(h2'-h1')
the refrigerating cycle process of the invention is 2-3-4-1-2, and the theoretical refrigerating capacity is delta h=mr (h 2-h 1)
Obviously, when the system flows are the same, Δh > Δh'.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An efficient refrigerating device with adjustable dryness in evaporation and condensation processes comprises a compressor (1) and a throttle valve (3); the method is characterized in that: the device also comprises a dryness adjustable condenser (2) and an evaporation suite (4), wherein the compressor (1), the dryness adjustable condenser (2), the throttle valve (3) and the evaporation suite (4) are sequentially connected in a closed loop, and working media sequentially circulate through the compressor (1), the dryness adjustable condenser (2), the throttle valve (3) and the evaporation suite (4); the condensation heat exchange channel is arranged on the condensation heat exchange channel, a first dryness adjustment component (2.4) is arranged on the condensation heat exchange channel, a condensation inlet (2.1) on the condensation heat exchange channel is connected with the compressor (1), and a condensation outlet (2.5) on the condensation heat exchange channel is connected with the throttle valve (3); the evaporation suite (4) comprises a dryness adjustable evaporator (4.1) and a diffuser pipe (4.3), an evaporation heat exchange channel is arranged on the dryness adjustable evaporator (4.1), an evaporation inlet (4.2.1) on the evaporation heat exchange channel is connected with a throttle valve (3), an evaporation outlet (4.2.4) on the evaporation heat exchange channel is connected with the diffuser pipe (4.3), a second dryness adjusting component (4.2) is arranged on the evaporation heat exchange channel, and the diffuser pipe (4.3) is connected with the compressor (1) through the second dryness adjusting component (4.2);
The first dryness adjusting component (2.4) is integrally arranged in an arc shape and comprises an outer sleeve bent pipe (2.4.1) and an inner sleeve bent pipe (2.4.2), the outer sleeve bent pipe (2.4.1) is sleeved on the outer side of the inner sleeve bent pipe (2.4.2), a first separation gap (2.4.4) is formed between the outer sleeve bent pipe (2.4.1) and the inner sleeve bent pipe (2.4.2), and a first separation hole (2.4.3) communicated with the first separation gap (2.4.4) is formed in the inner sleeve bent pipe (2.4.2); or the first dryness adjusting component (2.4) is integrally arranged in an arc shape and comprises an outer peripheral pipe (2.4.1 ') and an inner peripheral pipe (2.4.2 '), wherein the outer peripheral pipe (2.4.1 ') is wound on the outer side of the inner peripheral pipe (2.4.2 '), and the outer peripheral pipe (2.4.1 ') and the inner peripheral pipe (2.4.2 ') are mutually communicated through a second separation hole (2.4.3 ');
The second dryness adjusting component (4.2) comprises an outer sleeve straight pipe (4.2.2) and an inner sleeve straight pipe (4.2.3), the outer sleeve straight pipe (4.2.2) is sleeved outside the inner sleeve straight pipe (4.2.3), a second separation gap (4.2.7) is formed between the outer sleeve straight pipe (4.2.2) and the inner sleeve straight pipe (4.2.3), a second separation hole (4.2.5) communicated with the second separation gap (4.2.7) is formed in the inner sleeve straight pipe (4.2.3), and the second separation gap (4.2.7) is respectively communicated with the diffuser pipe (4.3) and the compressor (1).
2. The efficient refrigeration apparatus with adjustable dryness in evaporation and condensation process according to claim 1, wherein: the condenser (2) with adjustable dryness fraction includes condensation heat exchange tube (2.2) and dryness fraction regulation header (2.3), and dryness fraction regulation header (2.3) inner chamber is divided and is had a plurality of condensation heat transfer cavity (2.3.1), condensation heat exchange tube (2.2) and first dryness fraction regulation subassembly (2.4) respectively with corresponding condensation heat transfer cavity (2.3.1) intercommunication, in order to constitute jointly condensation heat transfer passageway, the working medium is one-way transport in condensation heat transfer passageway.
3. The efficient refrigeration apparatus with adjustable dryness in evaporation and condensation process according to claim 2, wherein: the condensing heat exchange tube (2.2) both ends are provided with dryness fraction adjustment header (2.3) respectively, are equipped with condensation entry (2.1) of intercommunication condensing heat transfer passageway on at least one dryness fraction adjustment header (2.3), are equipped with condensation export (2.5) of intercommunication condensing heat transfer passageway on at least one dryness fraction adjustment header (2.3), and condensation entry (2.1) is through more than one condensing heat exchange tube (2.2) and more than one first dryness fraction adjustment subassembly (2.4) intercommunication condensation export (2.5).
4. The efficient refrigeration apparatus with adjustable dryness in evaporation and condensation process according to claim 1, wherein: the outer sleeve bent pipes (2.4.1) or the peripheral pipes (2.4.1 ') in the two adjacent first dryness adjusting components (2.4) are communicated with each other, and the outer sleeve bent pipes (2.4.1) or the peripheral pipes (2.4.1') are communicated with the adjacent condensation outlets (2.5).
5. The efficient refrigeration apparatus with adjustable dryness in evaporation and condensation process according to claim 1, wherein: the dryness adjustable evaporator (4.1) comprises an evaporation heat exchange tube (4.4), a plurality of evaporation heat exchange chambers (4.2.8) are divided into inner cavities of the inner sleeve straight tubes (4.2.3), the evaporation heat exchange tube (4.4) is communicated with the corresponding evaporation heat exchange chambers (4.2.8) to jointly form an evaporation heat exchange channel, and working media are conveyed in the evaporation heat exchange channel in a unidirectional mode.
6. The efficient refrigeration apparatus with adjustable dryness in evaporation and condensation process according to claim 5, wherein: the two ends of the evaporation heat exchange tube (4.4) are respectively provided with a second dryness adjusting component (4.2), at least one inner sleeve straight tube (4.2.3) is provided with an evaporation inlet (4.2.1) communicated with the evaporation heat exchange channel, at least one inner sleeve straight tube (4.2.3) is provided with an evaporation outlet (4.2.4) communicated with the evaporation heat exchange channel, and the evaporation inlet (4.2.1) is communicated with the evaporation outlet (4.2.4) through more than one evaporation heat exchange tube (4.4).
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CN201910124275.9A CN109900028B (en) | 2019-02-18 | 2019-02-18 | High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable |
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CN201910124275.9A CN109900028B (en) | 2019-02-18 | 2019-02-18 | High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable |
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CN101852749A (en) * | 2009-04-03 | 2010-10-06 | 李蔚 | All-in-on device for evaporation/condensation heat transmission testing in micro pipe and testing method thereof |
CN106440586A (en) * | 2016-09-08 | 2017-02-22 | 赵向辉 | Method for controlling evaporator outlet refrigerant to be low in superheat degree or smaller than 1 in dryness |
CN106679468A (en) * | 2017-03-03 | 2017-05-17 | 仲恺农业工程学院 | Shell-and-tube evaporator with double-dryness shunting baffle plate |
CN106949672A (en) * | 2017-04-19 | 2017-07-14 | 仲恺农业工程学院 | A kind of coiled double-dryness shunts heat exchanging evaporator |
CN207163026U (en) * | 2017-07-06 | 2018-03-30 | 仲恺农业工程学院 | The evaporator of double-dryness shunting can be automatically adjusted |
CN210035968U (en) * | 2019-02-18 | 2020-02-07 | 仲恺农业工程学院 | High-efficient refrigerating plant of evaporation and condensation process quality adjustable |
-
2019
- 2019-02-18 CN CN201910124275.9A patent/CN109900028B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101852749A (en) * | 2009-04-03 | 2010-10-06 | 李蔚 | All-in-on device for evaporation/condensation heat transmission testing in micro pipe and testing method thereof |
CN106440586A (en) * | 2016-09-08 | 2017-02-22 | 赵向辉 | Method for controlling evaporator outlet refrigerant to be low in superheat degree or smaller than 1 in dryness |
CN106679468A (en) * | 2017-03-03 | 2017-05-17 | 仲恺农业工程学院 | Shell-and-tube evaporator with double-dryness shunting baffle plate |
CN106949672A (en) * | 2017-04-19 | 2017-07-14 | 仲恺农业工程学院 | A kind of coiled double-dryness shunts heat exchanging evaporator |
CN207163026U (en) * | 2017-07-06 | 2018-03-30 | 仲恺农业工程学院 | The evaporator of double-dryness shunting can be automatically adjusted |
CN210035968U (en) * | 2019-02-18 | 2020-02-07 | 仲恺农业工程学院 | High-efficient refrigerating plant of evaporation and condensation process quality adjustable |
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