CN113375371A - Novel condenser for refrigerating system - Google Patents
Novel condenser for refrigerating system Download PDFInfo
- Publication number
- CN113375371A CN113375371A CN202110807929.5A CN202110807929A CN113375371A CN 113375371 A CN113375371 A CN 113375371A CN 202110807929 A CN202110807929 A CN 202110807929A CN 113375371 A CN113375371 A CN 113375371A
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- Prior art keywords
- refrigerant
- channel
- condenser
- cooling liquid
- cavity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Abstract
The invention discloses a novel condenser for a refrigerating system, and relates to the technical field of condensers. The invention comprises a condenser main body, wherein the condenser main body comprises plate-changing and Y-shaped fins; one end of each of the two transverse channels is provided with a flow dividing pipe, the flow dividing pipes realize circulation interaction through flow guiding holes arranged in the plate exchanger, the outer end part of one transverse channel of the cooling liquid circulating pipeline is provided with a cooling liquid inlet, and the outer end part of the other transverse channel is provided with a condensate liquid outlet; closed rings are welded in a mode that transverse channels between adjacent upper and lower plates in the refrigerant circulating channel and the cooling liquid circulating pipeline are arranged in a surrounding mode at intervals, and the closed rings of the refrigerant circulating channel and the cooling liquid circulating pipeline are arranged in a staggered mode. The condensing surface is a vertical surface, so that the refrigerant circulation requirement is greatly reduced, the temperature is transferred more uniformly, the condensing speed is higher, and the condensing effect can be greatly improved; the contact heat exchange area of the refrigerant and the cooling liquid is greatly increased, and the condensation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of condensers, and particularly relates to a novel condenser for a refrigerating system.
Background
The condenser of the existing refrigeration system can be classified into a water-cooled condenser, an air-cooled condenser and an evaporative condenser according to the condensing mode, wherein the evaporative condenser has stronger cooling capacity and is commonly used for large-scale refrigeration systems.
In an evaporative condenser commonly used in a refrigeration system, a medium in a serpentine coil is a gas-liquid mixture, so that the pipeline is seriously washed and needs to be regularly maintained; the phenomena that the spray head is easy to block, the spray head is easy to fall off, the water collector is easy to collapse and the like exist; the problems that the evaporative condenser needs to be periodically cleaned and the like exist, and the operation and maintenance cost is high. The invention discloses a novel plate type heat exchanger which can solve the problem of uneven liquid distribution of the traditional plate type heat exchanger, greatly improves the application situation of the plate type heat exchanger in a refrigerating system, realizes the large-scale application of the plate type heat exchanger in a refrigerating system with larger scale, saves the cost and also greatly improves the operation safety of the refrigerating system.
Disclosure of Invention
The present invention provides a new condenser for a refrigeration system that solves the above problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a novel condenser for a refrigerating system, which comprises a condenser main body, wherein the condenser main body comprises a plurality of plate exchangers which are horizontally arranged between a right fixing plate and a left fixing plate at equal intervals, the outer side part between adjacent upper plate exchangers and lower plate exchangers is encircled to form a Y-shaped fin, an accommodating cavity structure is formed between the adjacent upper plate exchangers and the adjacent lower plate exchangers, at least one group of refrigerant circulating channels and one group of cooling liquid circulating pipelines are arranged in the condenser, and each group of refrigerant circulating channels and cooling liquid circulating pipelines comprises two horizontal channels which are horizontally arranged in the condenser;
a refrigerant liquid outlet is arranged at the outer end of one transverse channel of the refrigerant circulating channel, and a refrigerant gas inlet is arranged at the outer end of the other transverse channel; the refrigerant liquid outlets and the refrigerant gas inlets are arranged in a staggered manner from front to back, one end of each of the two transverse channels is provided with a flow dividing pipe, the flow dividing pipes realize flow interaction through flow guiding holes arranged in the plate exchangers, and the flow guiding holes are arranged in the plate exchangers on the layer with the same height as the flow dividing pipes;
a cooling liquid inlet is formed in the outer end part of one transverse channel of the cooling liquid circulating pipeline, a condensate liquid outlet is formed in the outer end part of the other transverse channel of the cooling liquid circulating pipeline, and the cooling liquid inlet and the condensate liquid outlet are arranged in a staggered mode;
closed rings are welded in a mode that transverse channels between adjacent upper and lower plates in the refrigerant circulating channel and the cooling liquid circulating pipeline are arranged in a surrounding mode at intervals, the closed rings of the refrigerant circulating channel and the cooling liquid circulating pipeline are arranged in a staggered mode, and two groups of transverse channels of the refrigerant circulating channel or the closed rings of two groups of transverse channels of the cooling liquid circulating pipeline are arranged in the same layer.
Furthermore, the closed ring adopts a circular ring-shaped structure with the same inner diameter as the transverse channel, and the pore channel of the left and right adjacent plates at the position of the transverse channel is switched to realize the closed-ring-type sealing of the peripheral side.
Furthermore, the shunt tubes are of tubular structures with the same outer diameter as the inner diameter of the transverse channel, and openings connected with the flow guide holes are uniformly arranged around the circumference of the shunt tubes.
Further, the diameter of the diversion hole is smaller than the thickness of the plate.
Furthermore, a refrigerant or cooling liquid is stored in a cavity between the plate exchanger and the Y-shaped fins in the condenser.
Furthermore, condensing agents communicated with the refrigerant circulation channel are respectively stored in a cavity between the plates without the closed rings in the refrigerant circulation channel and a cavity between the side plate blocks with the closed rings in the cooling liquid circulation pipeline in the condenser.
Furthermore, cooling liquid communicated with the cooling liquid circulation pipeline is respectively stored in a cavity between the plates of the cooling liquid circulation pipeline without the closed ring and a cavity between the side plate blocks with the closed ring in the refrigerant circulation channel in the condenser.
A working method for a new-type condenser of the refrigerating system, the refrigerant enters the refrigerant cycle channel through the gas inlet of refrigerant, and realize the circulation of two horizontal passages by the diversion hole in shunt tubes and the plate exchanger, in this process, the refrigerant is still located in the cavity pocket between the plate exchangers without closed ring of the refrigerant cycle channel, locate in the coolant circulation pipeline and locate in the cavity pocket between the lateral plate blocks with closed ring;
the hot gas supercooling liquid inlet enters the cooling liquid circulating pipeline, the cavity channel between the two plates without the closed ring realizes the circulating circulation of the two transverse channels, and in the process, the hot air is also positioned in the cavity between the plates without the closed ring of the cooling liquid circulating pipeline and the cavity between the side plate blocks with the closed ring and positioned in the refrigerant circulating channel.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the common condenser, the condenser has the advantages that the condensing surface is the vertical surface through calculation, the refrigerant circulation requirement is greatly reduced, the temperature is more uniformly transferred, the condensing speed is higher, and the condensing effect can be greatly improved;
2. according to the invention, the uniform plate changing layer is adopted in the condenser to divide the chambers which are in contact with each other and flow of the refrigerant and the hot air, and the chambers are designed in a staggered manner, so that the contact heat exchange area of the refrigerant and the cooling liquid is greatly increased, and the condensing efficiency is improved;
3. the required refrigerant flushing amount of the condenser is greatly reduced, the filling amount of a traditional refrigerating system is often up to ten tons, the filling amount of the condenser is from several kilograms to tens of kilograms, too much refrigerant does not need to be conveyed, much electricity cost can be saved, and the investment in the operation process is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the new condenser for a refrigeration system according to the present invention;
FIG. 2 is a schematic view of the structure at view angle H in FIG. 1;
FIG. 3 is a top view of the structure of FIG. 1;
FIG. 4 is a bottom view of the structure of FIG. 1;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 9 is a cross-sectional view E-E of FIG. 5;
FIG. 10 is a sectional view taken along line G-G of FIG. 7;
FIG. 11 is a cross-sectional view F-F of FIG. 6;
FIG. 12 is an enlarged view of a portion at position i in FIG. 6;
fig. 13 is a schematic view of a shunt;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a condenser main body, 101-a right fixing plate, 102-a lower fixing plate, 103-a Y-shaped fin, 104-a plate exchanger, 105-a diversion hole, 106-a transverse channel, 107-a closed ring, 2-a refrigerant liquid outlet, 3-a refrigerant gas inlet, 4-a cooling liquid inlet, 5-a condensate liquid outlet, 6-a shunt pipe and 601-an opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "equidistant", "upper", "outer", "lower", and the like, indicate orientations or positional relationships, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-13, the novel condenser for a refrigeration system of the present invention comprises a condenser body 1, wherein the condenser body 1 comprises eighty plates 104 which are horizontally and equally spaced between a right fixing plate 101 and a left fixing plate 102, and outer sides of adjacent upper and lower plates 104 surround to form a Y-shaped fin 103, so that a containing cavity structure is formed between the adjacent upper and lower plates 104, at least one set of refrigerant circulation channels and one set of cooling liquid circulation pipes are arranged in the condenser 1, and each set of refrigerant circulation channels and cooling liquid circulation pipes comprises two horizontal channels 106 which are horizontally arranged in the condenser 1;
a refrigerant liquid outlet 2 is arranged at the outer end of one transverse channel 106 of the refrigerant circulating channel, a refrigerant gas inlet 3 is arranged at the outer end of the other transverse channel 106, and the refrigerant liquid outlets 2 and the refrigerant gas inlets 3 are arranged in a front-back staggered manner; one end of each of the two transverse channels 106 is provided with a flow dividing pipe 6, the flow dividing pipes 6 realize flow interaction through flow guiding holes 105 arranged in the plate exchanger 104, and the flow guiding holes 105 are arranged in the plate exchanger 104 on the layer with the same height as the flow dividing pipes 6;
a cooling liquid inlet 4 is arranged at the outer end part of one transverse channel 106 of the cooling liquid circulating pipeline, a condensate liquid outlet 5 is arranged at the outer end part of the other transverse channel 106, and the cooling liquid inlet 4 and the condensate liquid outlet 5 are arranged in a staggered mode from front to back;
closed rings 107 are welded in a manner that the refrigerant circulating channel and the transverse channels 106 between the adjacent upper and lower plates 104 in the cooling liquid circulating pipeline are in a spaced surrounding manner, the refrigerant circulating channel and the closed rings 107 of the cooling liquid circulating pipeline are in staggered arrangement, and the two groups of transverse channels 106 of the refrigerant circulating channel or the closed rings 107 of the two groups of transverse channels 106 of the cooling liquid circulating pipeline are arranged in the same layer.
The closed ring 107 is a circular ring structure with the same inner diameter as the transverse passage 106, and the pore passages of the left and right adjacent plates 104 at the position of the transverse passage 106 are closed in a closed ring manner on the peripheral side.
The shunt tube 6 is a tubular structure with the same outer diameter as the inner diameter of the transverse channel 106, and the circumference of the shunt tube is uniformly provided with open holes 601 connected with the diversion holes 105.
Wherein, the diameter of the diversion hole 105 is smaller than the thickness of the plate exchanger 104, so that the diversion hole 105 can be arranged inside the plate exchanger 104.
Wherein, the cavity between the plate exchanger 104 and the Y-shaped fin 103 in the condenser 1 is filled with refrigerant or cooling liquid.
Wherein, the condenser 1 is provided with condensing agents communicated with the refrigerant circulation channel in the cavity between the plate blocks 104 without the closed ring 107 in the refrigerant circulation channel and in the cavity between the side plate blocks 103 with the closed ring 107 in the cooling liquid circulation pipeline.
Wherein, the cooling liquid communicated with the cooling liquid circulation pipeline is respectively stored in the cavity between the plate blocks 104 without the closed ring 107 in the cooling liquid circulation pipeline and the cavity between the side plate blocks 103 with the closed ring 107 in the refrigerant circulation channel in the condenser 1.
In the working method of the novel condenser for the refrigerating system, refrigerant enters a refrigerant circulating channel through a refrigerant gas inlet 3, and the circulating circulation of two transverse channels 106 is realized by a shunt pipe 6 and a flow guide hole 105 in a plate exchanger 104, and in the process, the refrigerant is also positioned in a cavity between the plate exchangers 104 of the refrigerant circulating channel without a closed ring 107, a cavity in a cooling liquid circulating pipeline and a cavity between side plate blocks 103 with the closed ring 107;
the hot gas enters the cooling liquid circulation pipeline through the cooling liquid inlet 4, the cavity channel between the two plates 104 without the closed ring 107 realizes the circulation of the two transverse channels 106, and in the process, the hot air is also positioned in the cavity between the plates 104 without the closed ring 107 in the cooling liquid circulation pipeline, and in the cavity between the side plates 103 with the closed ring 107 in the refrigerant circulation channel.
Has the advantages that:
1. compared with the common condenser, the condenser has the advantages that the condensing surface is the vertical surface through calculation, the refrigerant circulation requirement is greatly reduced, the temperature is more uniformly transferred, the condensing speed is higher, and the condensing effect can be greatly improved;
2. according to the invention, the uniform plate changing layer is adopted in the condenser to divide the chambers which are in contact with each other and flow of the refrigerant and the hot air, and the chambers are designed in a staggered manner, so that the contact heat exchange area of the refrigerant and the cooling liquid is greatly increased, and the condensing efficiency is improved;
3. the required refrigerant flushing amount of the condenser is greatly reduced, the filling amount of a traditional refrigerating system is often up to ten tons, the filling amount of the condenser is from several kilograms to tens of kilograms, too much refrigerant does not need to be conveyed, much electricity cost can be saved, and the investment in the operation process is reduced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a new-type condenser for refrigerating system, includes condenser main part (1), condenser main part (1) is including being located between right fixed plate (101) and the left fixed plate (102) along transversely trading (104) with a plurality of plywood that vertical mode is equidistant to be arranged, and the outside portion between the adjacent upper and lower board trades (104) encircles and forms "Y" font fin (103), makes and forms between the adjacent upper and lower board trades (104) and hold the cavity structure, it has at least a set of refrigerant circulation passageway and a set of coolant liquid circulation pipeline to open up in condenser (1), every group refrigerant circulation passageway and coolant liquid circulation pipeline all include transversely open two transverse channel (106) in condenser (1), its characterized in that:
a refrigerant liquid outlet (2) is arranged at the outer end of one transverse channel (106) of the refrigerant circulating channel, a refrigerant gas inlet (3) is arranged at the outer end of the other transverse channel (106), and the refrigerant liquid outlet (2) and the refrigerant gas inlet (3) are arranged in a front-back staggered manner; one end of each of the two transverse channels (106) is provided with a flow dividing pipe (6), the flow dividing pipes (6) realize circulation interaction through flow guiding holes (105) arranged in the plate exchangers (104), and the flow guiding holes (105) are arranged in the plate exchangers (104) on the layer where the flow dividing pipes (6) are located at the same height;
a cooling liquid inlet (4) is formed in the outer end of one transverse channel (106) of the cooling liquid circulating pipeline, a condensate liquid outlet (5) is formed in the outer end of the other transverse channel (106), and the cooling liquid inlet (4) and the condensate liquid outlet (5) are arranged in a staggered mode from front to back;
closed rings (107) are welded in a mode that transverse channels (106) between adjacent upper and lower plates (104) in the refrigerant circulating channel and the cooling liquid circulating pipeline are wound at intervals, the closed rings (107) of the refrigerant circulating channel and the cooling liquid circulating pipeline are arranged in a staggered mode, and the closed rings (107) of two groups of transverse channels (106) of the refrigerant circulating channel or two groups of transverse channels (106) of the cooling liquid circulating pipeline are arranged in the same layer.
2. The new condenser for a refrigeration system according to claim 1, characterized in that the closed ring (107) is a circular ring structure with the same inner diameter as the transverse channel (106), and the hole channels of the two adjacent left and right plates (104) at the position of the transverse channel (106) are closed in a circular ring shape on the periphery side.
3. The new condenser for refrigeration systems according to claim 1, characterized in that said shunt tube (6) is a tubular structure with the same external diameter as the internal diameter of the transverse channel (106), and the peripheral side of the tube is uniformly provided with openings (601) connected with the diversion holes (105).
4. A new condenser for refrigeration systems, according to claim 3, characterized in that the diameter of the deflector holes (105) is smaller than the thickness of the plate exchanger (104).
5. The new condenser for refrigeration systems according to claim 1, characterized in that the refrigerant or cooling fluid is contained in the condenser (1) in the cavity between the plate exchanger (104) and the "Y" shaped fins (103).
6. A new condenser for refrigeration systems, as set forth in claim 5, characterized in that inside the condenser (1), inside the cavity between the plates (104) of which the refrigerant circulation channel is not provided with a closed ring (107), and inside the cavity between the side plates (103) with a closed ring (107), inside the coolant circulation duct, there are respectively placed refrigerants in communication with the refrigerant circulation channel.
7. A new condenser for refrigeration systems, according to claim 5, characterized in that the condenser (1) is filled with a cooling liquid, which is connected to the cooling liquid circulation duct, in the cavity between the plates (104) of which the cooling liquid circulation duct is not provided with a closed ring (107), in the cavity between the side plates (103) with the closed ring (107) and in the refrigerant circulation channel, respectively.
8. A method of operating a modern condenser for refrigeration systems according to any one of claims 1 to 7, characterised in that:
refrigerant enters a refrigerant circulating channel through a refrigerant gas inlet (3), and the circulating circulation of two transverse channels (106) is realized by a shunt pipe (6) and a flow guide hole (105) in a plate exchanger (104), and in the process, the refrigerant is also positioned in a cavity between the plate exchangers (104) of the refrigerant circulating channel without a closed ring (107) and in a cavity between cooling liquid circulating pipelines and side plate blocks (103) with the closed ring (107);
hot gas enters a cooling liquid circulating pipeline through a hot gas supercooling liquid inlet (4), the circulating circulation of two transverse channels (106) is realized by a cavity channel between two plates (104) without a closed ring (107), and in the process, the hot air is also positioned in a cavity between the plates (104) without the closed ring (107) of the cooling liquid circulating pipeline and in a cavity between side plate blocks (103) with the closed ring (107) in a refrigerant circulating channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110807929.5A CN113375371A (en) | 2021-07-16 | 2021-07-16 | Novel condenser for refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110807929.5A CN113375371A (en) | 2021-07-16 | 2021-07-16 | Novel condenser for refrigerating system |
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| Publication Number | Publication Date |
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| CN113375371A true CN113375371A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110807929.5A Pending CN113375371A (en) | 2021-07-16 | 2021-07-16 | Novel condenser for refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI804981B (en) * | 2021-09-13 | 2023-06-11 | 英業達股份有限公司 | Condenser and open loop two phase cooling system |
-
2021
- 2021-07-16 CN CN202110807929.5A patent/CN113375371A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI804981B (en) * | 2021-09-13 | 2023-06-11 | 英業達股份有限公司 | Condenser and open loop two phase cooling system |
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