CN210035968U - High-efficient refrigerating plant of evaporation and condensation process quality adjustable - Google Patents
High-efficient refrigerating plant of evaporation and condensation process quality adjustable Download PDFInfo
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- CN210035968U CN210035968U CN201920212815.4U CN201920212815U CN210035968U CN 210035968 U CN210035968 U CN 210035968U CN 201920212815 U CN201920212815 U CN 201920212815U CN 210035968 U CN210035968 U CN 210035968U
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Abstract
A high-efficiency refrigerating device with adjustable dryness in the evaporation and condensation processes comprises a compressor, a throttle valve, a condenser with adjustable dryness and an evaporation external member, wherein a working medium sequentially circulates through the compressor, the condenser with adjustable dryness, the throttle valve and the evaporation external member; a condensation heat exchange channel is arranged on the dryness-adjustable condenser, a first dryness adjusting assembly is arranged on the condensation heat exchange channel, 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 the quality, is provided with evaporation heat transfer passageway on the evaporimeter with adjustable the quality, and the evaporation entry on the evaporation heat transfer passageway is connected the choke valve, evaporation exit linkage diffuser pipe, is provided with second quality adjusting part on the evaporation heat transfer passageway, and the diffuser pipe passes through second quality adjusting part and is connected with the compressor. The utility model discloses the structure is succinct, reduce the consumptive material, reduces the space of equipment and occupies, promotes refrigerating system's circulation efficiency to found out neotype refrigerating plant.
Description
Technical Field
The utility model relates to a refrigerating plant, in particular to high-efficient refrigerating plant of evaporation and condensation process quality adjustable.
Background
The traditional vapor compression type refrigerating system mainly comprises four parts, namely a compressor, a condenser, an evaporator, an expansion device and the like, wherein a refrigerant circularly works among the parts and exchanges energy with the outside to achieve the aim of refrigeration. In a conventional vapor compression refrigeration system, in order to improve the system efficiency or the cooling capacity of a refrigeration cycle, a general method is to increase the heat exchange areas of an evaporator and a condenser, so as to improve the energy exchange efficiency, but this method will significantly increase the material consumption and is not favorable 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 steam condensation must pass through the liquid film, but the heat conductivity of the liquid film is poor, so that the heat transfer is seriously influenced, and the condensation efficiency of the condenser is very low; in addition, in the evaporation process, because the heat exchange tube has the defects of low flow speed, low heat exchange coefficient and the like in the low-dryness evaporation process, the heat exchange efficiency of the traditional evaporator in a low-dryness area is low, and when 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 becomes a problem to be solved urgently by technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency refrigerating device with simple and reasonable structure, high heat exchange efficiency and convenient use/maintenance, which can adjust the dryness of the evaporation and condensation processes, so as to overcome the defects in the prior art; the high-efficiency refrigerating device with the adjustable dryness in the evaporation and condensation processes can effectively improve the heat exchange efficiency in the evaporation process and the condensation process on the premise of not increasing the heat exchange area, saves energy and working media, and reduces pollution.
The high-efficiency refrigerating device with adjustable dryness in the evaporation and condensation processes comprises a compressor and a throttle valve; the method is characterized in that: the system also comprises a dryness adjustable condenser and an evaporation external member, wherein the compressor, the dryness adjustable condenser, the throttle valve and the evaporation external member are sequentially connected in a closed loop manner, and the working medium sequentially circulates through the compressor, the dryness adjustable condenser, the throttle valve and the evaporation external member; a condensation heat exchange channel is arranged on the dryness-adjustable condenser, a first dryness-adjusting component is arranged on the condensation heat exchange channel, 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 comprises an evaporator with adjustable dryness and a diffuser pipe, an evaporation heat exchange channel is arranged on the evaporator with adjustable dryness, an evaporation inlet on the evaporation heat exchange channel is connected with a throttle valve, an evaporation outlet on the evaporation heat exchange channel is connected with the diffuser pipe, a second dryness adjusting assembly is arranged on the evaporation heat exchange channel, and the diffuser pipe is connected with the compressor through the second dryness adjusting assembly.
The structure of the first dryness adjusting component comprises the following scheme: according to the first scheme, 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 outside the inner sleeve bent pipe, a first separation gap is formed 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; scheme two, the whole arc setting that is of first quality control subassembly, it includes peripheral pipe and inner surrounding pipe, and the peripheral pipe is around locating the inner surrounding pipe outside, communicates each other through the second separation hole between peripheral pipe and the inner surrounding pipe.
The dryness adjustable condenser comprises a condensation heat exchange tube and a dryness adjusting header, a plurality of condensation heat exchange chambers are divided in the inner cavity of the dryness adjusting header, the condensation heat exchange tube and the first dryness adjusting assembly are respectively communicated with the corresponding condensation heat exchange chambers to jointly form a condensation heat exchange channel, and working media are conveyed in the condensation heat exchange channel in a one-way mode.
The condensation heat exchange tube both ends are provided with the quality respectively and adjust the header, are equipped with the condensation entry of intercommunication condensation heat transfer passageway on at least one quality control header, are equipped with the condensation export of intercommunication condensation heat transfer passageway on at least one quality control header, and the condensation entry is through the condensation export of more than one condensation heat exchange tube and the first quality control subassembly intercommunication more than a set of.
The outer sleeve bent pipes or the outer sleeve pipes in two adjacent first dryness adjusting components are communicated with each other, and the outer sleeve bent pipes or the outer sleeve pipes are communicated with the adjacent condensation outlets.
The second dryness adjusting assembly comprises an outer sleeve straight pipe and an inner sleeve straight pipe, the outer sleeve straight pipe is sleeved outside 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 diffuser pipe and the compressor.
The dryness-adjustable evaporator comprises an evaporation heat exchange tube, a plurality of evaporation heat exchange chambers are divided in the inner cavity of an inner sleeve straight tube, the evaporation heat exchange tube is communicated with the corresponding evaporation heat exchange chambers to form an evaporation heat exchange channel together, and working media are conveyed in the evaporation heat exchange channel in a one-way mode.
The two ends of the evaporation heat exchange tubes are respectively provided with a second dryness adjusting assembly, 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 utility model discloses the structure is succinct, reducible indirect heating equipment's consumptive material, and the space that reduces equipment to a certain extent occupies, can obviously promote refrigerating system's circulation efficiency to found out novel energy-efficient refrigerating plant.
Drawings
Fig. 1 is a frame 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 present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the first dryness adjusting assembly of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the first dryness adjusting assembly of the present invention.
Fig. 5 is a schematic structural diagram of an evaporation kit according to an embodiment of the present invention.
Fig. 6 is a pressure-enthalpy diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the high-efficiency refrigerating device with adjustable dryness in the evaporation and condensation processes comprises a compressor 1, a condenser with adjustable dryness 2, a throttle valve 3 and an evaporation kit 4, wherein the compressor 1, the condenser with adjustable dryness 2, the throttle valve 3 and the evaporation kit 4 are sequentially connected in a closed loop manner, and a working medium sequentially circulates through the compressor 1, the condenser with adjustable dryness 2, the throttle valve 3 and the evaporation kit 4; an arched condensation heat exchange channel is arranged on the dryness-adjustable condenser 2, a first dryness-adjusting 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 external member 4 comprises an evaporator 4.1 with adjustable dryness and a diffuser pipe 4.3, an arched evaporation heat exchange channel is arranged on the evaporator 4.1 with adjustable dryness, an evaporation inlet 4.2.1 on the evaporation heat exchange channel is connected with the 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.
Further, the first dryness adjustment assembly 2.4 comprises the following solution: in the first embodiment (see fig. 3), the first dryness adjusting component 2.4 is integrally disposed in an arc shape (in this embodiment, it is specifically semicircular), and includes 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 outside the inner sleeve bent pipe 2.4.2, a sleeve-shaped 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 communicating with the first separation gap 2.4.4 is formed outside the inner sleeve bent pipe 2.4.2; in a second embodiment (see fig. 4), the first dryness adjusting component 2.4 is integrally disposed in an arc shape (in this embodiment, a semicircular shape), and includes an outer peripheral tube 2.4.1 ' and an inner peripheral tube 2.4.2 ', the outer peripheral tube 2.4.1 ' is disposed around the outer side of the inner peripheral tube 2.4.2 ', and the outer peripheral tube 2.4.1 ' and the inner peripheral tube 2.4.2 ' are communicated with each other through a second separating hole 2.4.3 '. It should be noted that the first solution is adopted in the present embodiment.
Further, referring to fig. 2, the dryness adjustable condenser 2 includes a plurality of condensing heat exchange tubes 2.2 and a dryness adjusting header 2.3, an inner cavity of the dryness adjusting header 2.3 is divided into a plurality of condensing heat exchange chambers 2.3.1 by a plurality of first flow dividing partitions 2.3.2, the condensing heat exchange tubes 2.2 and the first dryness adjusting components 2.4 are respectively communicated with the corresponding condensing heat exchange chambers 2.3.1 to jointly form the condensing heat exchange channel, and the working medium is unidirectionally conveyed in the condensing heat exchange channel.
Furthermore, the two ends of the condensing heat exchange tubes 2.2 are respectively provided with a dryness adjusting header 2.3, one of the dryness adjusting headers 2.3 is provided with a condensing inlet 2.1 and a condensing outlet 2.5 which are respectively communicated with the condensing heat exchange channels, and the condensing inlet 2.1 is communicated with the condensing outlet 2.5 through more than one condensing heat exchange tube 2.2 and more than one group of first dryness adjusting components 2.4. Specifically, the first dryness adjusting component 2.4 of the present embodiment is provided with three sets, wherein two sets are provided on one dryness adjusting header 2.3, and the remaining one set is provided on the other dryness adjusting header 2.3 and is located between the condensation inlet 2.1 and the condensation outlet 2.5.
Furthermore, on one dryness adjusting header 2.3, the outer sleeve bent pipe 2.4.1 or the outer peripheral pipe 2.4.1' in two adjacent first dryness adjusting components 2.4 are communicated with each other through the corresponding liquid drainage connecting pipe 2.4.5; in the other dryness adjustment header 2.3, the outer jacket bend 2.4.1 or the peripheral pipe 2.4.1' communicates with the adjacent condensation outlet 2.5 via a corresponding drainage connection 2.4.5.
Further, 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 sleeve-shaped second separation gap 4.2.7 is arranged 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 arranged on 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.
Furthermore, the dryness-adjustable evaporator 4.1 comprises 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 flow dividing partitions 4.2.6, the evaporation heat exchange tubes 4.4 are communicated with the corresponding evaporation heat exchange chambers 4.2.8 to form the evaporation heat exchange channels together, and the working medium is conveyed in the evaporation heat exchange channels in a single direction.
Furthermore, 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 channel 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.
The working principle is as follows:
after being 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 in one tube pass, two-phase working media (gas-phase working media and liquid-phase working media) enter a dryness adjusting header 2.3 and then enter an inner sleeve bent tube 2.4.2 for dryness adjustment, the liquid-phase working media pass through a first separation hole 2.4.3 and are discharged into a first separation gap 2.4.4 under the action of centrifugal force, then the gas-phase working media continue to enter a subsequent tube pass for high-efficiency condensation, and the liquid-phase working media in the first separation gap 2.4.4 are continuously discharged into a subsequent first separation gap 2.4.4 through a liquid discharge connecting tube 2.4.5; the subsequent tube passes are continuously repeated 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 is discharged from a condensation outlet 2.5, and the working medium maintains high-dryness efficient heat exchange in the dryness-adjustable condenser 2;
the condensed working medium enters an evaporator 4 with adjustable dryness after being throttled by a throttle valve 3; specifically, working media sequentially enter the inner sleeve straight pipe 4.2.3 and the evaporation heat exchange pipe 4.4 from the evaporation inlet 4.2.1, heat exchange is carried out on the evaporation heat exchange pipe 4.4, the working media after heat exchange are discharged from the evaporation outlet 4.2.4 and enter the diffuser pipe 4.3 to be pressurized until the pressure is higher than that of the evaporation inlet 4.2.1, then the pressurized working media enter the second separation gap 4.2.7, part of the pressurized gas-phase working media enter the inner sleeve straight pipe 4.2.3 through the second separation hole 4.2.5 so as to adjust the dryness of the working media in the dryness-adjustable evaporator 4 to the high-efficiency heat exchange flow state, the evaporation heat exchange efficiency is enhanced, and the rest of the pressurized gas-phase working media return to the compressor 1 to continue the refrigeration cycle process.
Referring to fig. 6, a conventional refrigeration cycle process 2 ' → 3 ' → 4 ' → 1 ' → 2 ' is a general reference refrigeration cycle, and its theoretical cooling capacity is:
Δh'＝mr(h2'-h1')
the refrigerating cycle process of the invention is 2 → 3 → 4 → 1 → 2, and the theoretical refrigerating capacity is
Δh＝mr(h2-h1)
Obviously, Δ h > Δ h' when the system flow is the same.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An efficient refrigerating device with adjustable dryness in the evaporation and condensation processes comprises a compressor (1) and a throttle valve (3); the method is characterized in that: the system is characterized by also comprising a dryness adjustable condenser (2) and an evaporation kit (4), wherein the compressor (1), the dryness adjustable condenser (2), the throttle valve (3) and the evaporation kit (4) are sequentially connected in a closed loop manner, and working media sequentially circulate through the compressor (1), the dryness adjustable condenser (2), the throttle valve (3) and the evaporation kit (4); a condensation heat exchange channel is arranged on the dryness-adjustable condenser (2), a first dryness adjusting 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 external member (4) comprises an 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).
2. An efficient refrigeration unit with adjustable dryness during evaporation and condensation as recited in claim 1, wherein: 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 outside 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 a peripheral pipe (2.4.1 ') and an inner peripheral pipe (2.4.2 '), wherein the peripheral pipe (2.4.1 ') is wound on the outer side of the inner peripheral pipe (2.4.2 '), and the peripheral pipe (2.4.1 ') and the inner peripheral pipe (2.4.2 ') are communicated with each other through a second separating hole (2.4.3 ').
3. An efficient refrigeration unit with adjustable dryness in the evaporation and condensation process according to claim 2, characterized in that: the dryness-adjustable condenser (2) comprises a condensation heat exchange tube (2.2) and a dryness-adjusting header (2.3), the inner cavity of the dryness-adjusting header (2.3) is divided into a plurality of condensation heat exchange chambers (2.3.1), the condensation heat exchange tube (2.2) and the first dryness-adjusting component (2.4) are respectively communicated with the corresponding condensation heat exchange chambers (2.3.1) to jointly form a condensation heat exchange channel, and a working medium is conveyed in the condensation heat exchange channel in a one-way mode.
4. A high efficiency refrigeration unit with adjustable dryness in the evaporation and condensation process of claim 3, wherein: the condensation heat exchange tube (2.2) both ends are provided with dryness fraction control header (2.3) respectively, are equipped with on at least one dryness fraction control header (2.3) and communicate condensation heat transfer channel's condensation entry (2.1), are equipped with on at least one dryness fraction control header (2.3) and communicate condensation heat transfer channel's condensation export (2.5), and condensation entry (2.1) are through condensation heat exchange tube (2.2) more than one and a set of above first dryness fraction control assembly (2.4) intercommunication condensation export (2.5).
5. The evaporation and condensation process quality adjustable high efficiency refrigeration unit of claim 4 wherein: the outer sleeve bent pipe (2.4.1) or the outer sleeve pipe (2.4.1 ') in two adjacent first dryness adjusting components (2.4) are communicated with each other, and the outer sleeve bent pipe (2.4.1) or the outer sleeve pipe (2.4.1') is communicated with the adjacent condensation outlet (2.5).
6. An efficient refrigeration unit with adjustable dryness during evaporation and condensation as recited in claim 1, wherein: 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 side of the inner sleeve straight pipe (4.2.3) is sleeved with the outer sleeve straight pipe (4.2.2), 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).
7. The evaporation and condensation process quality adjustable high efficiency refrigeration unit of claim 6 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 in the inner cavity of the inner sleeve straight tube (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 the working medium is conveyed in the evaporation heat exchange channel in a one-way mode.
8. An efficient refrigeration unit with adjustable dryness in the evaporation and condensation process according to claim 7, wherein: the evaporation heat exchange tube is characterized in that 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 an 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212815.4U CN210035968U (en) | 2019-02-18 | 2019-02-18 | High-efficient refrigerating plant of evaporation and condensation process quality adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212815.4U CN210035968U (en) | 2019-02-18 | 2019-02-18 | High-efficient refrigerating plant of evaporation and condensation process quality adjustable |
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| CN210035968U true CN210035968U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920212815.4U Expired - Fee Related CN210035968U (en) | 2019-02-18 | 2019-02-18 | High-efficient refrigerating plant of evaporation and condensation process quality adjustable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900028A (en) * | 2019-02-18 | 2019-06-18 | 仲恺农业工程学院 | It is a kind of to evaporate and the adjustable high performance refrigerating unit of condensation process mass dryness fraction |
| CN109900028B (en) * | 2019-02-18 | 2024-05-14 | 仲恺农业工程学院 | High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable |
-
2019
- 2019-02-18 CN CN201920212815.4U patent/CN210035968U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900028A (en) * | 2019-02-18 | 2019-06-18 | 仲恺农业工程学院 | It is a kind of to evaporate and the adjustable high performance refrigerating unit of condensation process mass dryness fraction |
| CN109900028B (en) * | 2019-02-18 | 2024-05-14 | 仲恺农业工程学院 | High-efficient refrigerating plant of evaporation and condensation process dryness fraction adjustable |
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