CN203405106U - Plate-type heat exchanger and heat pump device - Google Patents
Plate-type heat exchanger and heat pump device Download PDFInfo
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- CN203405106U CN203405106U CN201320178868.1U CN201320178868U CN203405106U CN 203405106 U CN203405106 U CN 203405106U CN 201320178868 U CN201320178868 U CN 201320178868U CN 203405106 U CN203405106 U CN 203405106U
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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
- F28D9/0031—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 the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—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 the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—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 the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
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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
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
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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
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/18—Safety or protection arrangements; Arrangements for preventing malfunction for removing contaminants, e.g. for degassing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The utility model provides a plate-type heat exchanger and a heat pump device to guide a lubricating oil, which flows into the plate-type heat exchanger, to an oil recovery port while minimizing the amount of the lubricating oil trapped in the plate-type heat exchanger. The plate-type heat exchanger comprises: a plate assembly (120) which is a stacked body of plates, including a plurality of stacked heat transfer plates (100); an inlet port and an outlet port for a refrigerant (7) which are arranged in the plate assembly (120); an inlet port and an outlet port for water (10) which are arranged in the plate assembly (120); and an oil recovery port (103e) for extracting a lubricating oil (8) contained in the refrigerant (7), wherein the oil recovery port (103e) is arranged below the outlet port for the refrigerant (7) arranged in the lower part of the plate assembly (120). Oil recovery holes (200) connected to the oil recovery port (103e) are arranged at the lower part inside the plate assembly (120), and a flow-smoothing embossed portion (201) is formed on each heat transfer plates (100) so that the lubricating oil (8) forms smooth flow to each oil recovery hole (200).
Description
Technical field
The utility model relates at cold-producing medium and is heated heat-exchangers of the plate type and the heat pump assembly that carries out heat exchange between fluid.
Background technology
Generally, known to multi-disc flaggy is folded and carried out soldering, form stream, the heat-exchangers of the plate type that carries out heat exchange between the stream of two systems.In addition, also knownly by the condenser using heat-exchangers of the plate type as heat pump, use, at the cold-producing medium of being discharged by compressor with flow between the recirculated water of heat-exchangers of the plate type and carry out heat exchange, the heat pump of supplying hot water.
At the compressor for heat pump, for reducing frictional heat, use lubricating oil, to can not cause due to the heating of self rotating mechanism to damage.This lubricating oil is discharged from from compressor by the flowing of cold-producing medium of discharging from compressor, circulates together with cold-producing medium in refrigerant loop.Although a lot of lubricating oil suction line from compressor after circulation returns to compressor,, exist a part of lubricating oil to accumulate in the situation in the refrigerant loop assemblies such as condenser, the pressure vessel that keeps residual refrigerant, evaporimeter.
It is stacking and form that heat-exchangers of the plate type has multi-disc in order to expand heat transfer area the heat transfer plate of pressure rolling portion of waveform shape, in addition, because heat-exchangers of the plate type is the initial refrigerant loop assembly arriving of cold-producing medium of discharging in heat pump, so, be the refrigerant loop assembly accumulating that easily causes lubricating oil.
Therefore, the technology of the lubricating oil accumulating as recovery, patent documentation 1, patent documentation 2 have represented to have for making lubricating oil return to the heat-exchangers of the plate type of the port of compressor.
Technical literature formerly
Patent documentation
Patent documentation 1: TOHKEMY 2011-247579 communique
Patent documentation 2: Japanese Unexamined Patent Application Publication 2005-527777 communique
Owing to accumulating lubricating oil in heat-exchangers of the plate type, so, if the lubricating oil total amount of compressor inside reduces, be attended by the fault that the sintering because of compressor produces.In addition, accumulate and lubricants capacity is increased if consider, lubricating oil bonding, at the wall of condenser, evaporimeter, is attended by the reduction of heat exchange performance.For with required MIN lubricants capacity, guarantee heat exchange performance and compressor reliability, importantly effectively carry out returning from the lubricating oil of heat-exchangers of the plate type.
Heat-exchangers of the plate type is textural, with become the inflow of cold-producing medium, the lower part that the nozzle of flow export is compared exists is not for heat exchange, but be to keep as the inevitable dead space of the shape of container.
As shown in patent documentation 1, patent documentation 2, due to the heat-exchangers of the plate type for thering is the port of lubricating oil recovery use, also there is above-mentioned dead space, so, if flow into the lubricating oil of heat-exchangers of the plate type, enter dead space, produce the practical recovery that can not be lubricated oil, do not realize the problem of initial function.
Utility model content
The utility model is the utility model of making in order to solve problem as described above, and its object is, reduces the hold-up ground of the lubricating oil that flows into heat-exchangers of the plate type to oily recovery port guiding lubricating oil as far as possible.
The heat-exchangers of the plate type of technical solutions of the utility model 1 is following heat-exchangers of the plate type, and it possesses: as the plate assembly of the duplexer of plate, it comprises a plurality of stacked heat transfer plates; Be arranged on inflow entrance and the flow export of the first fluid on plate assembly; Be arranged on inflow entrance and the flow export of the second fluid on plate assembly; With the oily oily recovery port of taking out first fluid and containing, it is arranged at the lower position of comparing with the flow export of first fluid that is arranged on the bottom of plate assembly, in this heat-exchangers of the plate type, the oily recovery holes being communicated with oily recovery port is arranged on the bottom in plate assembly, in each of heat transfer plate, form pressure rolling portion, so that oil becomes level and smooth stream towards oily recovery holes.
The heat-exchangers of the plate type of technical solutions of the utility model 2, in the heat-exchangers of the plate type described in technical scheme 1, above-mentioned pressure rolling portion forms L word shape along the edge, bottom of each above-mentioned heat transfer plate.
The heat-exchangers of the plate type of technical solutions of the utility model 3, in the heat-exchangers of the plate type described in technical scheme 1, prevents that the shelter wall of dead space that above-mentioned oil immersion enters to be arranged on the bottom of each above-mentioned heat transfer plate is formed on the bottom of above-mentioned oily recovery holes.
The heat-exchangers of the plate type of technical solutions of the utility model 4, in the heat-exchangers of the plate type described in technical scheme 3, by making the contact of pressure rolling portion this contact site of soldering of above-mentioned heat transfer plate adjacent one another are form above-mentioned shelter wall.
The heat-exchangers of the plate type of technical solutions of the utility model 5, in heat-exchangers of the plate type in technical scheme 1-4 described in any one, above-mentioned oily recovery holes is formed oval one end roundlet arcuation less than other end radius, and the lowest end of roundlet arcuation is formed with the approximate horizontal of above-mentioned pressure rolling portion and partly approaches.
The heat pump assembly of technical solutions of the utility model 6 is to have by pipe arrangement the heat pump assembly with the refrigerating circuit of loop connecting by compressor, condenser, expansion valve, evaporimeter, as condenser or evaporimeter, use the heat-exchangers of the plate type described in any one in technical solutions of the utility model 1-5, the oily recovery holes being arranged on this heat-exchangers of the plate type is connected in to the suction inlet of compressor by pipe arrangement.
The heat pump assembly of technical solutions of the utility model 7 in the heat pump assembly described in technical scheme 6, connects the water loop of a side or two sides with supplying hot water equipment, heater unit on heat-exchangers of the plate type.
In heat-exchangers of the plate type of the present utility model, because the oily recovery holes being communicated with oily recovery port is arranged on the bottom in plate assembly, for making oil become level and smooth stream towards oily recovery holes, and form pressure rolling portion in each of heat transfer plate, so the situation that oil can be accumulated in to the dead space of heat-exchangers of the plate type is suppressed at Min..Therefore, can reduce as far as possible the lubricating oil that flows into heat-exchangers of the plate type hold-up to oily recovery port guiding lubricating oil.
Heat pump assembly of the present utility model is because of condenser or evaporimeter as refrigerating circuit, use heat-exchangers of the plate type of the present utility model, the oily recovery holes being arranged on this heat-exchangers of the plate type is connected in to the suction inlet of compressor by pipe arrangement, so, can suppress the minimizing of the lubricating oil in compressor, thus, can realize the heat pump assembly that compressor fault is few, reliability is high.
The manufacture method of heat-exchangers of the plate type of the present utility model is following manufacture method, and the manufacture method of heat-exchangers of the plate type of the present utility model at least has: the operation that forms oily recovery holes in the bottom of heat transfer plate; Along the edge, bottom of heat transfer plate, form the operation of the pressure rolling portion of L word shape; By the pressure rolling of pressure rolling portion being worked into half amount in the stream gap of above-mentioned heat transfer plate, it is contacted with the pressure rolling portion of adjacent heat transfer plate, afterwards, contact site is carried out to the operation of soldering.
The manufacture method of heat-exchangers of the plate type of the present utility model because at least there is the operation that forms oily recovery holes in the bottom of heat transfer plate, along the edge, bottom of heat transfer plate, form the pressure rolling portion of L word shape operation, by the pressure rolling of pressure rolling portion being worked into half amount in the stream gap of above-mentioned heat transfer plate, it is contacted with the pressure rolling portion of adjacent heat transfer plate, afterwards, contact site is carried out to the operation of soldering, so, can access the heat-exchangers of the plate type with above-mentioned effect.
Accompanying drawing explanation
Fig. 1 is the structure chart of the heat pump assembly 2 of embodiment 1 of the present utility model.
Fig. 2 is the outside drawing of the heat-exchangers of the plate type 1 of embodiment 1.
Fig. 3 is the exploded perspective view of heat-exchangers of the plate type 1.
Fig. 4 means the outside drawing of structure of the oily recoverer of heat transfer plate 100.
Fig. 5 a is the front view of heat-exchangers of the plate type in the past.
Fig. 5 b is the cutaway view of oily recovery port 103e of the X-X line of Fig. 5 a.
Fig. 6 a is the front view of the heat-exchangers of the plate type 1 of embodiment 1.
Fig. 6 b is the cutaway view of oily recovery port 103e of the Y-Y line of Fig. 6 a.
Fig. 7 is the side view of heat-exchangers of the plate type 1.
Fig. 8 is the front view (A of Fig. 7 is to view) of heat-exchangers of the plate type 1.
Fig. 9 is the rearview (B of Fig. 7 is to view) of heat-exchangers of the plate type 1.
Figure 10 is the cutaway view (the Z cutaway view of Fig. 8) of heat-exchangers of the plate type 1.
Figure 11 a is the concept map of heat transfer plate 100a.
Figure 11 b is the concept map of heat transfer plate 100b.
Figure 12 is the concept map of side plate 105.
Figure 13 is the enlarged drawing of the D part of Figure 10.
Description of reference numerals
1: heat-exchangers of the plate type; 2: heat pump assembly (heat pump unit); 3: compressor; 4: condenser; 5: electric expansion valve; 6: evaporimeter; 7: cold-producing medium; 8: lubricating oil; 9: water loop; 10: go out hot water; 11: upper water; 12: water-hydrothermal exchange tank; 13: heater unit; 14: upper water conservancy equipment; 15: pipe arrangement; 16: oily pipe arrangement; 100: heat transfer plate; 103: nozzle; 103a: cold-producing medium inflow entrance; 103b: cold-producing medium flow export; 103c: flow inlet; 103d: water export; 103e: oily recovery port; 104: strengthen with plate (pressure-resistant plate); 105: side plate; 106: stream hole; 107: heat transfer part; 108: heat transfer duplexer; 110: pressure rolling shape portion; 111: non-heat transfer space; 112: be pressed into portion; 120: plate assembly; 200: oily recovery holes; 200a: lowest end; 201: smoothly flow pressure rolling portion; 201a: approximate horizontal part; 202: dead space; 203: shelter wall
The specific embodiment
First, with reference to Fig. 1, the schematic configuration that just possesses the heat pump assembly 2 of heat-exchangers of the plate type 1 of the present utility model describes.
Fig. 1 is the structure chart of the heat pump assembly 2 of embodiment 1 of the present utility model.In addition, in Fig. 1 the arrow by various forms represent cold-producing medium 7, lubricating oil 8, go out hot water 10, the flowing separately of upper water 11.
Heat pump assembly shown in Fig. 1 (heat pump unit 2) possesses compressor 3, condenser 4(the first heat exchanger), electric expansion valve 5, evaporimeter 6(the second heat exchanger), by these equipment are connected by pipe arrangement 15 in order, form the refrigerating circuit of cold-producing medium 7 circulations.In addition, in Fig. 1, represent that heat-exchangers of the plate type 1 is as condenser 4(the first heat exchanger) example that uses, but be not limited thereto.And, from as condenser 4(the first heat exchanger) heat-exchangers of the plate type 1 lubricating oil 8 separated and that flow out through oily pipe arrangement 16, return to compressor 3.Oil pipe arrangement 16 is connected the oily recovery port that is arranged on heat-exchangers of the plate type 1 described later with the suction inlet of compressor 3.
In addition, though not shown, go out, in addition heat pump assembly 2 also can also possess the attachment components such as holder that store remaining cold-producing medium 7.
In Fig. 1, heat-exchangers of the plate type 1 is for example used as condenser 4.Accordingly, by the heat of external heat thermal source (heat of being absorbed heat by evaporimeter 6) is dispelled the heat by heat-exchangers of the plate type 1, can heat as the water that flows into the second fluid of heat-exchangers of the plate type 1.Although the medium being utilized as being taken as external heat thermal source (the object side of the heat exchange of evaporimeter 6), have the medium of other kinds such as air, underground heat, but heat-exchangers of the plate type 1 can be for using all heat supply ability of swimming heat pump units of external heat thermal source.In addition, be not limited to condenser 4(the first heat exchanger), heat-exchangers of the plate type 1 also can be used as evaporimeter 6(the second heat exchanger) use.
Heat-exchangers of the plate type 1 is also connected the high-pressure side of compressor 3.Accordingly, flow into together with flowing into the cold-producing medium 7 of heat-exchangers of the plate type 1, the lubricating oil 8 that is trapped in the bottom of heat-exchangers of the plate type 1 is discharged from from heat-exchangers of the plate type 1 according to the inhalation power of compressor 3, by oily pipe arrangement 16, to compressor 3, is recovered.
Lubricating oil 8 is present in the inside of compressor 3, carries out the heat radiation of driven unit (bearing, the slide assemblies etc.) heating of compressor 3 by help, keeps lubricity, prevents thus the fault of compressor 3.Lubricating oil 8 is discharged from from compressor 3 together with the cold-producing medium 7 of discharging from compressor 3, and circulation in kind of refrigeration cycle, on the other hand, exists a part of lubricating oil 8 to accumulate in the situation in condenser 4, evaporimeter 6 or other attachment component.Its result is, if lubricating oil 8 minimizings cause the driven unit sintering of compressor 3 etc., to be attended by the fault of compressor 3.
On the heat-exchangers of the plate type 1 as condenser 4, connect water loop 9.And going out hot water 10(also has the situation that is called water 10) in water loop 9 circulations.In addition, Fig. 1 means the indirect mode of 1 pair of water 10 of heat-exchangers of the plate type., water 10 flows into the heat-exchangers of the plate type 1 as condenser 4, by cold-producing medium 7, heated, and becomes the hot water of being heated, from heat-exchangers of the plate type 1, flow out.Like this, if go out hot water 10, from heat-exchangers of the plate type 1, flow out, flow into by heater unit 13 such as the connected radiator of the pipe arrangement that forms water loop 9, floor heatings, for indoor temperature, regulate.In addition, by configuration in the way in water loop 9, use water-hydrothermal exchange tank 12 that hot water 10 and upper water 11 carry out heat exchange, can be by the upper water 11 being heated in water loop 9 for having a bath, in shower etc. the domestic water of equipment 14 for water conservancy.
In addition, also can on this heat-exchangers of the plate type 1, connect the water loop 9 of a side or two sides with supplying hot water equipment, heater unit.
Below, use Fig. 2 to Figure 13, with regard to the structure of the heat-exchangers of the plate type 1 of embodiment 1, describe.
Fig. 2 is the outside drawing of the heat-exchangers of the plate type 1 of embodiment 1, and Fig. 3 is the exploded perspective view of heat-exchangers of the plate type 1.
The heat-exchangers of the plate type 1 of embodiment 1 is stacked a plurality of heat transfer plate 100(100a, 100b), at the stacked side plate 105 in the both sides of outermost heat transfer plate 100 and reinforcement plate (pressure-resistant plate) 104, these plates 100,105,104 are passed through to the heat exchanger of the mode of soldered joint.Below, the duplexer of plate 100,105,104 is called to plate assembly 120.
And, four bights in a distolateral reinforcement that is positioned at plate assembly 120 with the long side direction of plate 104a, are provided as respectively the cold-producing medium inflow entrance 103a of cold-producing medium 7 of first fluid and cold-producing medium flow export 103b, as flow inlet 103c and the water export 103d of for example water 10 of second fluid.In addition, with regard to the structure of plate assembly 120, be also illustrated in Fig. 7 in Figure 13.
As shown in Figure 3, heat transfer plate 100a and heat transfer plate 100b are adjacent to configuration mutually.Each heat transfer plate 100a, 100b have the heat-transfer area of waveform shape.And heat transfer plate 100a and heat transfer plate 100b are configured with the interval of regulation, to form betwixt stream gap.
As shown by arrows in Figure 3, cold-producing medium 7 flows into from cold-producing medium inflow entrance 103a, from the hole being communicated with cold-producing medium inflow entrance 103a, flows into the gap of heat transfer plate 100b and the heat transfer plate 100a of each adjacency, for example becomes sinking and flow between its heat-transfer area.On the other hand, water 10 flows into from flow inlet 103c, flows into the gap of heat transfer plate 100a and the heat transfer plate 100b of each adjacency from the hole being communicated with flow inlet 103c, for example becomes upwelling and flow between its heat-transfer area.Like this, by the sinking of cold-producing medium 7 and the upwelling of water 10 are come and gone between each heat transfer plate 100a, 100b, the hot heat transfer plate 100a from high temperature transmits effectively to the heat transfer plate 100b of low temperature, by this, conducts heat, and water 10 is heated to form high temperature.In addition, although understand that cold-producing medium 7 and water 10 are with mobile in opposite directions, but also can, by the position of the inflow entrance of water 10 and flow export being arranged on to a side contrary with Fig. 2, make parallel flow.
Have, in this heat-exchangers of the plate type 1, as shown in Figure 2, on the side of cold-producing medium flow export 103b, the position below comparing with cold-producing medium flow export 103b, is provided for the oily recovery port 103e that lubricating oil contained in cold-producing medium 78 is taken out again.
Then,, before carrying out the explanation of Fig. 4, just Fig. 7 describes to Fig. 9.
Fig. 7 is the side view of heat-exchangers of the plate type 1, and Fig. 8 is the front view (A of Fig. 7 is to view) of heat-exchangers of the plate type 1, and Fig. 9 is the rearview (B of Fig. 7 is to view) of heat-exchangers of the plate type 1.
As shown in Figure 7, heat-exchangers of the plate type 1 is from being provided with as below cold-producing medium inflow entrance 103a, cold-producing medium flow export 103b, flow inlet 103c, water export 103d(, these cold-producing medium inflow and outflow mouths, water are flowed into flow export and are generically and collectively referred to as nozzle 103) the reinforcement of nozzle 103 with plate 104a, start, stack gradually side plate 105a, heat transfer plate 100a, heat transfer plate 100b ... heat transfer plate 100a, heat transfer plate 100b, side plate 105b, reinforcement are used plate 104b, and are engaged by soldering.Here, because being strengthens with plate 104b by the covered state of side plate 105b, so, not shownly in Fig. 7 go out to strengthen using plate 104b.
In the front view (A of Fig. 7 is to view) of Fig. 8, can see and be installed in four nozzle 103(103a～103d that strengthen with on plate 104a) and oily recovery port 103e.
In the rearview (B of Fig. 7 is to view) of Fig. 9, represent and the surface of strengthening using with the reinforcement of the contrary side of plate 104a plate 104b.
In use, as shown in Figure 2, it is upper being configured to nozzle 103a, 103d to heat-exchangers of the plate type 1, under nozzle 103b, 103d, oily recovery port 103e be.
Returning to Fig. 4 is illustrated.Fig. 4 means the outside drawing of structure of the oily recoverer of heat transfer plate 100.
In the heat-exchangers of the plate type 1 of this embodiment 1, as shown in Figure 4, the oily recovery holes 200 being communicated with oily recovery port 103e is arranged on the bottom of each heat transfer plate 100.Oil recovery holes 200 is formed oval one end roundlet arcuation less than other end radius, so-called raindrop shape, and the lowest end 200a of its roundlet arcuation is towards the downside peristoma portion of oily recovery port 103e.
Have again, along the edge, bottom of each heat transfer plate 100, form the pressure rolling portion 201 of L word shape.This pressure rolling portion 201 is formed, and to the roundlet arcuation lowest end 200a of oily recovery holes 200, extends, and its approximate horizontal part 201a tilts, and the pressure rolling portion 201 from the lubricating oil 8 of cold-producing medium 7 separation along L word shape becomes flowing of level and smooth stream.Below, this pressure rolling portion 201 is called to level and smooth stream pressure rolling portion 201.That is, smoothly flowing pressure rolling portion 201 is formed and makes lubricating oil 8 become flowing of level and smooth stream towards the roundlet arcuation lowest end 200a of oily recovery holes 200.Also have in addition, the roundlet arcuation lowest end 200a of oily recovery holes 200 is formed with the approximate horizontal part 201a of the level and smooth stream pressure rolling portion 201 of L word shape and approaches.
By forming like this, lubricating oil 8 flows to the roundlet arcuation lowest end 200a of oily recovery holes 200 gradually swimmingly from the approximate horizontal part 201a of level and smooth stream pressure rolling portion 201, and then, to oily recovery port 103e, flow out.
Fig. 5 a, Fig. 5 b and Fig. 6 a, Fig. 6 b are the figure representing for the effect of the oily recoverer of the heat-exchangers of the plate type 1 of heat-exchangers of the plate type in the past and embodiment 1 is compared.Wherein, Fig. 5 a is the front view of heat-exchangers of the plate type in the past, Fig. 5 b is the cutaway view of oily recovery port 103e of the X-X line of Fig. 5 a, and Fig. 6 a is the front view of the heat-exchangers of the plate type 1 of embodiment 1, and Fig. 6 b is the cutaway view of oily recovery port 103e of the Y-Y line of Fig. 6 a.
From Fig. 5 a, Fig. 5 b, Fig. 6 a, Fig. 6 b, the cold-producing medium 7 that contains lubricating oil 8 is wandered along the heat transfer plate 100a of the adjacent respectively heat-transfer area with waveform and the stream gap of heat transfer plate 100b.Now, because lubricating oil 8 is larger than cold-producing medium 7 density, so because the official post of density obtains cold-producing medium 7 upwards, lubricating oil 8 carries out separation downwards.Drop to the lubricating oil 8 of the oily recovery holes 200 of the bottom that is arranged on each heat transfer plate 100, in the situation that the past case of Fig. 5 b, the spatial portion surrounding due to the chain-dotted line portion that exists dead space 202(by Fig. 5 b at downside more), so, do not reclaim clean lubricating oil 8 and be constantly accumulated in this dead space 202.
On the other hand, the in the situation that of present embodiment 1, as shown in Figure 6 b, the part of the leading section closure that shelter wall 203(surrounds by the chain-dotted line of Fig. 6 b is set under oily recovery holes 200).Because this shelter wall 203 is by making level and smooth stream pressure rolling portion 201 contacts of heat transfer plate adjacent one another are 100, this contact site of soldering and being formed, so, by shelter wall 203, blocked the top of dead spaces 202.That is to say, shelter wall 203 is by dead space 202 isolation.Therefore, lubricating oil 8 can not immerse dead space 202, but flows out to oily recovery port 103e.
Therefore, according to embodiment 1, because shelter wall 203 is set under the stream hole being communicated with oily recovery port 103e (oily recovery holes) 200, so, can, by shelter wall 203 isolation dead spaces 202, can prevent that lubricating oil 8 from accumulating in dead space 202.That is, in other words, accumulating of lubricating oil 8 can be suppressed to Min..
In addition, because serve as reasons level and smooth stream pressure rolling portion 201 and shelter wall 203 guide along with flowing the lubricating oil 8 that flows into heat-exchangers of the plate type 1 to oily recovery port 103e, so, can effectively carry out oil and reclaim.
In addition, in Fig. 5 a, Fig. 5 b, Fig. 6 a, Fig. 6 b, water 10 rises at the adjacent stream of cold-producing medium 7 streams that has been closed the bottom of waveform heat-transfer area.
Then, use from Fig. 4, Fig. 6 a, Fig. 6 b and Figure 10 to Figure 13, with regard to the manufacture method of the heat-exchangers of the plate type 1 of embodiment 1, describe.
Figure 10 is the cutaway view of heat-exchangers of the plate type 1, is the cutaway view that is equivalent to the Z-Z section of Fig. 8.Here, stating " being equivalent to " as is according to following reason.Figure 10, in order to make explanation simple, only adds up to and represents 4 heat transfer plate 100a, 100b.Due to such reason, Fig. 8 is not identical with Figure 10, therefore, states " being equivalent to " as.
Figure 11 a, Figure 11 b are the concept maps of heat transfer plate 100, heat transfer plate 100a, heat transfer plate 100b when wherein Figure 11 a and Figure 11 b represent respectively to see the heat transfer plate 100 of heat-exchangers of the plate type 1 of Figure 10 from arrow C.As shown in figure 10, under side plate 105a, configure heat transfer plate 100b, under heat transfer plate 100b, configure heat transfer plate 100a.Under stacked state, be opened in 106a～106d(the second hole, stream hole on heat transfer plate 100b) be opened in stream hole 106a～106d(the 3rd hole on heat transfer plate 100a) overlapping, form stream.
The heat-exchangers of the plate type 1 of embodiment 1, as shown in Figure 11 a, Figure 11 b, is made and be take following situation as main structure: by by have waveform shape heat transfer part 107a heat transfer plate 100a and there is the stacked stream that is formed for carrying out heat exchange between first fluid and second fluid of heat transfer plate 100b of the heat transfer part 107b of waveform shape.The plate assembly 120 of the horizontal type shown in Figure 10 is constituted as following form, at the top of the heat transfer duplexer 108 of heat transfer plate 100 configuration side plate 105a, at the bottom of heat transfer duplexer 108 configuration side plate 105b, and then, at the top of side plate 105a configuration stiffener 104a, at bottom configuration stiffener 104b, accordingly, clip the duplexer 108 of heat transfer plate 100.
(heat transfer plate 100a, heat transfer plate 100b)
(formation of the stream based on heat transfer plate 100)
By heat transfer plate 100a and heat transfer plate 100b is stacked, the waveform shape of heat transfer part 107a contacts with the ripple shape point of heat transfer part 107b.The part of this some contact becomes " post " that forms stream by soldering.For example, heat transfer plate 100a forms the stream of water (pure water, running water or mixed the water etc. of anti-icing fluid), and heat transfer plate 100b for example forms cold-producing medium 7(, the cold-producing medium for air conditioner that the R410A of take is representative) stream.By by each stacked one of heat transfer plate 100a and heat transfer plate 100b, form the stream of water, by again that heat transfer plate 100a is stacked, form the layer of " water-cold-producing medium ".Below, by increasing the stacked number of heat transfer plate, alternately stream is formed to " water-cold-producing medium-water-cold-producing medium ... " (referring to Fig. 3).By these stacked a plurality of heat transfer plates, form heat transfer duplexer 108 as shown in Figure 10.
(formation of oily recovery holes 200)
In the bottom of each heat transfer plate 100, as shown in Figure 4, form the oily recovery holes 200 of oval one end roundlet arcuation less than other end radius.Have, the surrounding of oily recovery holes 200 is worked into half the amount in the stream gap of heat transfer plate 100 by pressure rolling again, is formed the pressure rolling portion butt with the surrounding of the oily recovery holes 200 of adjacent heat transfer plate 100.
(smoothly flowing the formation of pressure rolling portion 201)
Along the edge, bottom of heat transfer plate 100, form the pressure rolling portion (smoothly flowing pressure rolling portion) 201 of L word shape.The pressure rolling processing of the surrounding of this level and smooth stream pressure rolling portion 201 and oily recovery holes 200 is same, and half amount that is worked into the stream gap of heat transfer plate 100 by pressure rolling forms.The level and smooth horizontal part that flows pressure rolling portion 201 tilts slightly, and forming lubricating oil 8 becomes flowing of level and smooth stream towards the roundlet arcuation lowest end 200a of oily recovery holes 200 as shown in FIG. 4.Accordingly, as the arrow of Fig. 4, the lubricating oil 8 coming that flows from top flows along the level and smooth pressure rolling portion 201 of flowing, and arrives the roundlet arcuation lowest end 200a of oily recovery holes 200, flows into swimmingly therefrom oily recovery holes 200.
(formation of shelter wall 203)
The level and smooth stream pressure rolling portion 201 on heat transfer plate 100 of being formed on contacts with the level and smooth stream pressure rolling portion 201 of the heat transfer plate 100 of front and back by stacked heat transfer plate 100.After this, by level and smooth stream pressure rolling portion 201 is carried out to soldering each other, as shown in Figure 6 b, in the bottom of oily recovery port 103e, form shelter wall 203, so that by dead space 202 isolation.Accordingly, accumulating for minimum of lubricating oil 8, can carry out effectively oil and reclaim.
(side plate 105)
Figure 12 is the concept map of side plate 105.As above as shown in Figure 10, the side plate 105a that the top and the bottom of heat transfer duplexer 108 are sandwiched and side plate 105b are sizes, thickness of slab is identical with heat transfer plate 100 and have stream hole 106a～106d at four jiaos, there is no the plate of planar configuration of the heat transfer part 107 of waveform shape.In addition, as shown in Figure 3, side plate 105a is configured in the top (outermost of side's side) of heat transfer duplexer 108, and side plate 105b is configured in the bottom (outermost of the opposing party's side) of heat transfer duplexer 108, forms the duplexer of heat transfer plate 100.
In addition, as shown in Figure 10, Figure 12, in the surrounding of the stream hole of side plate 105a, 105b 106a, 106b, have the circular pressure rolling shape 110a of portion, the pressure rolling shape 110a of portion contacts with stream hole 106a, the 106b of adjacent heat transfer plate 100a, 100b.
(the pressure rolling shape 110a of portion)
As shown in Figure 10, Figure 12, side plate 105a has the pressure rolling shape 110a of portion of the concavity that the periphery at stream hole 106a, 106b is processed to form by pressure rolling, and side plate 105b has the pressure rolling shape 110b of portion of the convex that the periphery at stream hole 106a is processed to form by pressure rolling and the pressure rolling shape 110c of portion of the convex that is processed to form by pressure rolling at the periphery of stream hole 106b.This be for can be by soldering on the stream hole of heat transfer plate 100a, 100b 106a, 106b and form post around the stream hole of heat transfer plate 100 and side plate 105, improve intensity.
Figure 13 is the enlarged drawing of the D part of Figure 10.
As shown in figure 13, by concavo-convex pressure rolling shape portion 110, prevent that cold-producing medium from flowing into the non-heat transfer space 111 being formed by side plate 105a and side plate 105b.Non-heat transfer space 111 is spaces that the heat transfer part 107b by plane and waveform shape forms, and is for conducting heat, not possess the space of validity.Therefore, by preventing that cold-producing medium from flowing into this non-heat transfer space 111, can prevent the reduction of unnecessary heat radiation and cold-producing medium flow velocity.
(strengthening with plate 104)
As shown in figure 10, on the top of heat transfer duplexer 108, install and strengthen the outer panel with plate 104a(), in bottom, install and strengthen using plate 104b.Reinforcement is that pressure-resistant plate 104 has the thickness with respect to approximately 5 times of heat transfer plate 100 and side plates 105 with plate.In heat-exchangers of the plate type 1, strengthen with plate 104a as shown in Figure 8, thering are five stream holes (nozzle 103).In addition, strengthen with plate 104b as shown in Figure 9, not thering is stream hole.Heat-exchangers of the plate type 1 can tolerate the power that the change of the pressure because producing at the mobile fluid of heat transfer duplexer 108 is tired and produce because of pressure and the atmospheric difference of heat-exchangers of the plate type 1 because of pressure- resistant plate 104a, 104b.
(the riveted joint processing of nozzle)
In each of five stream holes of pressure-resistant plate 104a, install for making cold-producing medium and water flow into the nozzle 103a～103d of heat transfer duplexer 108 and for the oily recovery port 103e of removal of lubricant 8.The installation site of nozzle 103 (installation position) is determined by the quantity in the stream hole of stiffener 104a, 104b.If maximum four stream holes are set on a stiffener, with respect to a platen type heat exchanger 1, install and add up to eight nozzles 103.
As shown in figure 13, use nozzle 103a, the installation of nozzle is described.
(soldering operation)
In the heat-exchangers of the plate type 1 of interim assembled state, between heat transfer plate 100a and heat transfer plate 100b and between heat transfer duplexer 108 and each side plate 106a, 106b, between each side plate 106a, 106b and each strengthen with plate 104a, 104b, sandwich respectively the copper bar using as brazing material.Have again, between strengthening with plate 104a and nozzle 103, also configure the copper as brazing material.The heat-exchangers of the plate type 1 that disposes the interim assembled state of brazing material is placed into vacuum furnace in soldering operation, carries out the soldering under vacuum state.In this soldering operation, copper melts, and is impregnated into the composition surface of each key element.Cooling by saturant copper, each key element is engaged by semipermanent each other, forms heat-exchangers of the plate type 1.
Claims (7)
1. a heat-exchangers of the plate type, described heat-exchangers of the plate type possesses:
As the plate assembly of the duplexer of plate, this plate assembly comprises a plurality of stacked heat transfer plates;
Be arranged on inflow entrance and the flow export of the first fluid on above-mentioned plate assembly;
Be arranged on inflow entrance and the flow export of the second fluid on above-mentioned plate assembly; And
Take out the oily oily recovery port that above-mentioned first fluid contains, it is arranged at the lower position of comparing with the flow export of above-mentioned first fluid that is arranged on the bottom of above-mentioned plate assembly,
Described heat-exchangers of the plate type is characterised in that,
The oily recovery holes being communicated with above-mentioned oily recovery port is arranged on the bottom in above-mentioned plate assembly,
In each of above-mentioned heat transfer plate, form pressure rolling portion, so that above-mentioned oil becomes level and smooth stream towards above-mentioned oily recovery holes.
2. heat-exchangers of the plate type as claimed in claim 1, is characterized in that, above-mentioned pressure rolling portion forms L word shape along the edge, bottom of each above-mentioned heat transfer plate.
3. heat-exchangers of the plate type as claimed in claim 1, is characterized in that, prevents that the shelter wall of dead space that above-mentioned oil immersion enters to be arranged on the bottom of each above-mentioned heat transfer plate is formed on the bottom of above-mentioned oily recovery holes.
4. heat-exchangers of the plate type as claimed in claim 3, is characterized in that, by making the contact of pressure rolling portion this contact site of soldering of above-mentioned heat transfer plate adjacent one another are form above-mentioned shelter wall.
5. the heat-exchangers of the plate type as described in any one in claim 1 to 4, it is characterized in that, above-mentioned oily recovery holes is formed oval one end roundlet arcuation less than other end radius, and the lowest end of roundlet arcuation is formed with the approximate horizontal of above-mentioned pressure rolling portion and partly approaches.
6. a heat pump assembly, it has the refrigerating circuit with loop connecting by compressor, condenser, expansion valve, evaporimeter by pipe arrangement, and described heat pump assembly is characterised in that,
As above-mentioned condenser or above-mentioned evaporimeter, right to use requires the heat-exchangers of the plate type described in any one in 1 to 5,
The oily recovery holes being arranged on this heat-exchangers of the plate type is connected in to the suction inlet of above-mentioned compressor by pipe arrangement.
7. heat pump assembly as claimed in claim 6, is characterized in that,
On heat-exchangers of the plate type, connect the water loop of a side or two sides with supplying hot water equipment, heater unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012091375A JP5881515B2 (en) | 2012-04-12 | 2012-04-12 | Plate heat exchanger, manufacturing method thereof, and heat pump device |
| JP2012-091375 | 2012-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405106U true CN203405106U (en) | 2014-01-22 |
Family
ID=47998206
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310124113.8A Expired - Fee Related CN103376004B (en) | 2012-04-12 | 2013-04-11 | Heat-exchangers of the plate type and manufacture method thereof and heat pump assembly |
| CN201320178868.1U Expired - Fee Related CN203405106U (en) | 2012-04-12 | 2013-04-11 | Plate-type heat exchanger and heat pump device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310124113.8A Expired - Fee Related CN103376004B (en) | 2012-04-12 | 2013-04-11 | Heat-exchangers of the plate type and manufacture method thereof and heat pump assembly |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2650633B1 (en) |
| JP (1) | JP5881515B2 (en) |
| CN (2) | CN103376004B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376004A (en) * | 2012-04-12 | 2013-10-30 | 三菱电机株式会社 | Plate-type heat exchanger, method of manufacturing the same, and heat pump device |
| CN108431539A (en) * | 2015-12-11 | 2018-08-21 | 三菱电机株式会社 | Heat-exchangers of the plate type and refrigerating circulatory device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014226479A1 (en) | 2014-12-18 | 2016-06-23 | Mahle International Gmbh | Heat exchanger |
| JP2016028815A (en) * | 2015-10-14 | 2016-03-03 | オリオン機械株式会社 | Compressed air dehumidifier |
| CN108253823A (en) * | 2016-12-28 | 2018-07-06 | 丹佛斯微通道换热器（嘉兴）有限公司 | Plate heat exchanger |
| DE102018200808A1 (en) | 2018-01-18 | 2019-07-18 | Mahle International Gmbh | The stacked-plate heat exchanger |
| ES2912000T3 (en) * | 2019-05-21 | 2022-05-24 | Carrier Corp | Refrigeration appliance and its use |
| JP7388007B2 (en) * | 2019-06-06 | 2023-11-29 | 株式会社デンソー | Heat exchanger, refrigeration cycle equipment |
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| JPH04139364A (en) * | 1990-09-28 | 1992-05-13 | Nippondenso Co Ltd | Condenser |
| US5462113A (en) * | 1994-06-20 | 1995-10-31 | Flatplate, Inc. | Three-circuit stacked plate heat exchanger |
| JP3763993B2 (en) * | 1999-03-31 | 2006-04-05 | 株式会社マーレ フィルターシステムズ | Multi-plate oil cooler cooling element |
| SE514092C2 (en) * | 1999-05-20 | 2001-01-08 | Alfa Laval Ab | Apparatus for treating a gas |
| SE521311C2 (en) * | 2002-05-29 | 2003-10-21 | Alfa Laval Corp Ab | Flat heat exchanger device and heat exchanger plate |
| WO2008024066A1 (en) * | 2006-08-23 | 2008-02-28 | Alfa Laval Corporate Ab | Plate heat exchanger and heat exchanger plant |
| SE532524C2 (en) * | 2008-06-13 | 2010-02-16 | Alfa Laval Corp Ab | Heat exchanger plate and heat exchanger assembly include four plates |
| JP4879292B2 (en) * | 2009-04-10 | 2012-02-22 | 三菱電機株式会社 | Plate heat exchanger and refrigeration air conditioner |
| DE102009032370A1 (en) * | 2009-07-08 | 2011-01-13 | Sartorius Stedim Biotech Gmbh | Plate heat exchanger |
| JP5496321B2 (en) * | 2010-03-25 | 2014-05-21 | 三菱電機株式会社 | Plate heat exchanger, plate heat exchanger manufacturing method, and heat pump device |
| JP5295330B2 (en) * | 2011-08-08 | 2013-09-18 | 三菱電機株式会社 | Plate heat exchanger and refrigeration air conditioner |
| JP5881515B2 (en) * | 2012-04-12 | 2016-03-09 | 三菱電機株式会社 | Plate heat exchanger, manufacturing method thereof, and heat pump device |
-
2012
- 2012-04-12 JP JP2012091375A patent/JP5881515B2/en not_active Expired - Fee Related
-
2013
- 2013-03-20 EP EP13160236.9A patent/EP2650633B1/en active Active
- 2013-04-11 CN CN201310124113.8A patent/CN103376004B/en not_active Expired - Fee Related
- 2013-04-11 CN CN201320178868.1U patent/CN203405106U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376004A (en) * | 2012-04-12 | 2013-10-30 | 三菱电机株式会社 | Plate-type heat exchanger, method of manufacturing the same, and heat pump device |
| CN103376004B (en) * | 2012-04-12 | 2015-08-12 | 三菱电机株式会社 | Heat-exchangers of the plate type and manufacture method thereof and heat pump assembly |
| CN108431539A (en) * | 2015-12-11 | 2018-08-21 | 三菱电机株式会社 | Heat-exchangers of the plate type and refrigerating circulatory device |
| CN108431539B (en) * | 2015-12-11 | 2020-03-20 | 三菱电机株式会社 | Plate heat exchanger and refrigeration cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103376004A (en) | 2013-10-30 |
| EP2650633B1 (en) | 2019-05-22 |
| EP2650633A3 (en) | 2018-04-11 |
| JP5881515B2 (en) | 2016-03-09 |
| JP2013221629A (en) | 2013-10-28 |
| CN103376004B (en) | 2015-08-12 |
| EP2650633A2 (en) | 2013-10-16 |
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Granted publication date: 20140122 Termination date: 20190411 |