CN207299634U - Economizer and centrifugal refrierator - Google Patents
Economizer and centrifugal refrierator Download PDFInfo
- Publication number
- CN207299634U CN207299634U CN201720830741.1U CN201720830741U CN207299634U CN 207299634 U CN207299634 U CN 207299634U CN 201720830741 U CN201720830741 U CN 201720830741U CN 207299634 U CN207299634 U CN 207299634U
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- gas
- refrigerant
- demister
- liquid
- baffle
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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
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model provides economizer and centrifugal refrierator, which has higher gas-liquid separation performance and can realize the miniaturization of appearance and size by significantly reducing the space needed for gas-liquid separation.The economizer possesses：Container；Baffle, it is configured at the position opposed with refrigerant inlet in container, and the refrigerant of the gas-liquid two-phase state for being flowed into from refrigerant inlet in container is collided to carry out gas-liquid separation；Demister, it is configured at the position opposed with gas refrigerant outlet in container, the drop that gas refrigerant after gas-liquid separation is included removes, baffle is extended by the position between refrigerant inlet and demister along vertical direction and is formed the demarcation strip that refrigerant inlet side separates with demister side, the first opening is provided between the lower end of the demarcation strip and the bottom of container, for the gas refrigerant after gas-liquid separation and liquid refrigerant to be guided to the space below demister.
Description
Technical field
The economizer that the utility model is related to, is arranged at centrifugal refrierator, for by the refrigerant of gas-liquid two-phase state
Gas-liquid separation is carried out, and the center section of multi-stage compression level of from the gas refrigerant to compound compressor is guided, and by liquid
Refrigerant is guided to evaporator.
Background technology
In the past, centrifugal refrierator used in refrigerating air conditioning device etc., is made of the closed system for being sealed with refrigerant,
Consist of：Heat will be captured from cold water (cooled fluid) and make refrigerant evaporation to play the evaporator of refrigeration effect, incite somebody to action
Become the compressor of the gas refrigerant of high pressure in the gas refrigerant compression that the evaporator evaporates, (cooled down with cooling water
Fluid) by the gas refrigerant of high pressure cool down and make condenser that it condenses and will above-mentioned condensed refrigerant depressurize and
Its expansion valve (expansion mechanism) expanded is set to be linked by refrigerant piping.And as compressor in use by multi-stage impeller by gas
In the case that cryogen carries out the compound compressor of multi-stage compression, into the system being about to by being arranged between condenser and evaporator
The gas refrigerant that the economizer as intercooler in cryogen pipe arrangement produces imports the intergrade (multi-stage impeller of compressor
Center section).
Economizer in centrifugal refrierator is gas-liquid separator, is carried out the refrigerant of gas-liquid two-phase state with economizer
Gas-liquid separation, the center section of multi-stage compression level of from the gas refrigerant after separation to compound compressor is guided, and by liquid
Cryogen is imported to evaporator.
Fig. 9 is the longitudinal section for an example for representing existing economizer.
As shown in figure 9, economizer 20 possesses the container 21 of the cylindrical shape of the refrigerant inflow for gas-liquid two-phase state.Hold
Device 21 with make its axle center be located at horizontal direction mode it is horizontal configure.Container 21 has the system for making gas-liquid two-phase state in side
The refrigerant inlet 21a that cryogen flows into, on top there is the gas refrigerant for discharging the gas refrigerant after gas-liquid separation to go out
Mouth 21b, in lower part there is the liquid refrigerant for discharging the liquid refrigerant after gas-liquid separation to export 21c.
Refrigerant inflow pipe 22 is provided with said vesse 21 and in refrigerant inlet 21a, 21b is exported in gas refrigerant
Gas refrigerant effuser 23 is provided with, 21c is provided with liquid refrigerant effuser 24 in liquid refrigerant outlet.Refrigerant
Internal stretch of the pipe 22 in container 21 is flowed into, pipe 22 is flowed into refrigerant and flows into pipe in the inside of container 21 and in refrigerant
Multiple opening 22a have been arranged side by side in 22 bottom side.Each opening 22a is for example extended by the length direction that pipe 22 is flowed into along refrigerant
Rectangular-shaped opening form, sprayed downward so as to flow into refrigerant and flow into the refrigerant of pipe 22.
In addition, the top that pipe 22 is flowed into container 21 and in refrigerant is provided with demister 25.Demister 25 is to compile
Knit the metal mesh stacking that lametta forms and form.Demister 25 configure with the gas refrigerant positioned at 21 top of container
Export the opposed positions of 21b.
In the economizer 20 formed as shown in Figure 9, the refrigerant of gas-liquid two-phase state flow into pipe 22 via refrigerant and
It is flowed into container 21, and is sprayed downward from the multiple opening 22a for being formed at 22 lower part of refrigerant inflow pipe.Opened from multiple
The refrigerant that mouth 22a sprays, stream is reduced in the space that refrigerant is flowed into below pipe 22 relative to flow direction increasing section product
Speed, and ensure that refrigerant flows into the distance of the short transverse between the lower part of pipe 22 and the bottom of container 21, so as to promote gas-liquid
Separation.Liquid refrigerant after refrigerant flows into being spatially separating below pipe 22 is accumulated in the bottom of container 21, and from liquid
Refrigerant outlet 21c is discharged to outside.On the other hand, separated gas refrigerant rises together with drop and flows into demister
25, and in demister 25 after removal drop, export 21b from gas refrigerant and discharged to outside.
Patent document 1：Japanese Unexamined Patent Application 59-109755 publications
In above-mentioned existing economizer 20, refrigerant inflow pipe 22 is inserted into the central part of container 21, makes gas-liquid two
The opening 22a that the refrigerant of phase state flows into 22 lower part of pipe from refrigerant sprays downwards, and is flowed into refrigerant below pipe 22
Space reduce flow velocity relative to flow direction increasing section product, and ensure that refrigerant flows into lower part and the container 21 of pipe 22
The distance of the short transverse of bottom, so as to promote gas-liquid separation in the upstream side of demister 25.
However, as described above, it is necessary to refrigerant inflow pipe 22 is inserted into the central part of container 21, and ensure to freeze
Agent flows into the distance of the short transverse of the lower part of pipe 22 and the bottom of container 21, therefore there are the appearance and size increase of economizer 20
The problem of.
In addition, refrigerant flows into the construction that pipe 22 is arranged in the underface of demister 25, so that there are gas refrigerant
Inflow to demister 25 becomes non-uniform problem.
On the other hand, if reducing the appearance and size of economizer 20, refrigerant flows into the lower part of pipe 22 and the bottom of container 21
The distance of the short transverse in portion shortens, therefore there is the refrigerant from multiple opening 22a ejections of refrigerant inflow pipe 22 with depositing
Product rolls drop in large quantities in the liquid refrigerant collision of 21 bottom of container, causes to be difficult to remove drop in demister 25
Problem.
Utility model content
The utility model is made in view of the foregoing, and it is an object of the present invention to provide a kind of have higher gas-liquid separation
Can, and can be by significantly reducing the space needed for gas-liquid separation, so as to fulfill the economizer of appearance and size miniaturization.
To achieve these goals, the economizer of the utility model, is arranged at centrifugal refrierator, for by gas-liquid two-phase
The refrigerant of state carries out gas-liquid separation, and the center section of multi-stage compression level of the gas refrigerant to compound compressor is guided,
And liquid refrigerant is guided to evaporator, the economizer is characterized in that possessing：Container, it has：Make the gas-liquid
The refrigerant of two-phase state flows into and is disposed in the refrigerant inlet of the side of the economizer, by the gas system after gas-liquid separation
Cryogen discharges and is disposed in the gas refrigerant outlet on the top of the economizer and by the liquid refrigerant after gas-liquid separation
Discharge and be disposed in the liquid refrigerant outlet of the lower part of the economizer；Baffle, its be configured in the container with it is described
The opposed position of refrigerant inlet, for the system for the gas-liquid two-phase state being flowed into from the refrigerant inlet in the container
Cryogen is collided to carry out gas-liquid separation；And demister, it is configured at and gas refrigerant outlet pair in the container
The position put, the drop included in the gas refrigerant after the gas-liquid separation is removed, and the baffle is made of demarcation strip, should
Position of the demarcation strip between the refrigerant inlet and the demister extends along vertical direction, to the refrigerant inlet side
It is separated with the demister side, the first opening is provided between the lower end of the demarcation strip and the bottom of the container, should
First opening is used for the space to the lower section of the demister by the gas refrigerant after the gas-liquid separation and liquid refrigerant
Guiding.The lower end of demarcation strip is flowing into the lower end of pipe than refrigerant close to the position of container bottom and positioned at not reaching container bottom
The position in portion.
Preferable mode according to the present utility model, it is characterised in that the upper end of the baffle is provided with the second opening,
The gas refrigerant after the gas-liquid separation that is carried out by the baffle is flowed into second opening, and via the baffle and
Guided as the flow path between the third baffle of demister end plate to the demister.
Preferable mode according to the present utility model, it is characterised in that set in the space of the lower section of the demister
There is porous plate, which extends to more than one opposite with the refrigerant inlet in the horizontal direction from the lower end of the baffle
The position of the demister end of side, by the gas refrigerant after the gas-liquid separation and liquid refrigerant to the porous plate and institute
The space guiding between the bottom of container is stated, carries out further gas-liquid separation, and by the gas refrigerant after the gas-liquid separation
Guided via demister described in the Kong Erxiang of the porous plate.
Preferable mode according to the present utility model, it is characterised in that go out in the demister and the gas refrigerant
Second baffle is configured between mouthful.
The centrifugal refrierator of the utility model, it is characterised in that possess any one in the economizer of above-mentioned record.
The utility model plays the effect being exemplified below.
1) since the refrigerant for eliminating the central part that container is inserted into existing economizer flows into pipe, can subtract
The size of the short transverse of small economy device, so as to reduce the appearance and size of economizer.
2) baffle is set in the position opposed with refrigerant inlet due to replacing refrigerant to flow into pipe, from refrigerant
The refrigerant and stop collision for the gas-liquid two-phase state that entrance flows into, to carry out the gas-liquid separation of refrigerant.That is, obtain by baffle
The first separation effect of the gas-liquid of progress, obtains the secondary separation effect of gas-liquid carried out by demister, so as to improve gas afterwards
Liquid separating property.
3) since baffle is extended by the position between refrigerant inlet and demister along vertical direction and enters refrigerant
Mouthful side is formed with the demarcation strip that demister side separates, thus can utilize baffle will be divided into a container refrigerant entrance side and
The two spaces (room) of demister side, so as to block the flowing for the refrigerant for being directly toward demister.
4) due to being open between the lower end of baffle and the bottom of container formed with first for refrigerant circulation, with
Refrigerant after stop collision temporarily flows downward towards the first opening, therefore the distance that refrigerant can be made to reach demister becomes
It is long, so as to make the distance be efficiently used for gas-liquid separation.
5) by setting porous plate, so as to draw with the refrigerant gas for suppressing to flow towards demister from the lower part of container
The effect for taking up refrigerant liquid risen.
6) suppress to be accumulated in confusing for the liquid level of container bottom using porous plate, so as to expect to suppress gas direction
Hydraulic fluid side is mixed into.Additionally as the control of refrigeration machine, in the case of the liquid level of control economizer, can expect to make its controlling
Difficulty reduce effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of the centrifugal refrierator for the economizer for representing to possess the utility model.
Fig. 2 is the longitudinal section of the first embodiment for the economizer for representing the utility model.
Fig. 3 (a) is the figure for representing to be accommodated with the construction of the demister of rectangular shape in the container of rectangular shape, figure
3 (b) is the figure for representing to be accommodated with the construction of the demister of rectangular shape in the container of cylindrical shape.
Fig. 4 is the figure of the gas-liquid separation process for the refrigerant for representing the economizer progress by forming as shown in Figure 2.
Fig. 5 is the longitudinal section of the second embodiment for the economizer for representing the utility model.
Fig. 6 is the figure of the gas-liquid separation process for the refrigerant for representing the economizer progress by forming as shown in Figure 5.
Fig. 7 (a), Fig. 7 (b) are the sectional views of the relation of the baffle and container that represent the utility model.
Fig. 8 is the longitudinal section of the economizer of the utility model for representing to possess the baffle shown in Fig. 7 (b).
Fig. 9 is the longitudinal section for an example for representing existing economizer.
Description of reference numerals：1... centrifugal compressor；2... condenser；3... evaporator；4... economizer；5... make
Cryogen pipe arrangement；11... container；11a... refrigerant inlets；11b... gas refrigerants export；11c... liquid refrigerants go out
Mouthful；12... refrigerant flows into pipe；13... gas refrigerant effuser；14... liquid refrigerant effuser；15... baffle；
16... demister；17... porous plate；18... second baffle；19... third baffle；A1... the first opening；A2... second open
Mouthful；S, S1, S2... space.
Embodiment
Hereinafter, the embodiment of the economizer of the utility model is illustrated with reference to Fig. 1~Fig. 8.It is right in Fig. 1~Fig. 8
Inscape identically or comparably marks identical reference numeral, and the repetitive description thereof will be omitted.
Fig. 1 is the schematic diagram of the centrifugal refrierator for the economizer for representing to possess the utility model.As shown in Figure 1, centrifugation
Formula refrigeration machine possesses：Centrifugal compressor 1, it compresses refrigerant；Condenser 2, after it uses cooling water (cooling fluid) to compression
Gas refrigerant cooled down and make its condensation；Evaporator 3, it is captured heat from cold water (cooled fluid) and makes refrigerant
Evaporate to play refrigeration effect；Economizer 4, it is configured as intercooler between condenser 2 and evaporator 3, should be from
Above-mentioned each equipment is linked by the refrigerant piping 5 for refrigerant circulation and formed by core type refrigeration machine.
In the embodiment shown in figure 1, centrifugal compressor 1 is made of multistage centrifugal compressor.Centrifugal compressor
Machine 1 is connected by refrigerant piping 5 with economizer 4 so that the gas refrigerant after being separated by economizer 4 imported into it is multistage from
The center section of the multi-stage compression level (being in this example two level) of core type compressor is (in this example between the first order and the second level
Part).
In the kind of refrigeration cycle of the centrifugal refrierator formed as shown in Figure 1, refrigerant is in centrifugal compressor 1, condensation
Circulated between device 2, evaporator 3 and economizer 4, and cold water is manufactured to tackle load, and in kind of refrigeration cycle in evaporator 3
The acquired heat for carrying out flash-pot 3 and the heat suitable with the acting of centrifugal compressor 1 from compressor motor supply
Amount, release to the cooling water supplied to condenser 2.On the other hand, the gas refrigerant after being separated in economizer 4 is directed to
The center section of the multi-stage compression level of centrifugal compressor 1, and with from first order compressor gas refrigerant interflow and by
High stage compressor compresses.According to two-stage compression single-stage economizer cycle, the refrigeration effect portion brought by economizer 4 can be added
Point, increase refrigeration effect, therefore compared with being not provided with the situation of economizer 4, can realize refrigeration effect the partial response
It is efficient.
Fig. 2 is the longitudinal section of the first embodiment for the economizer 4 for representing the utility model.
As shown in Fig. 2, economizer 4 possesses the container 11 of the cylindrical shape of the refrigerant inflow for gas-liquid two-phase state.Hold
Device 11 with make its axle center be located at horizontal direction mode it is horizontal configure.Container 11 has the system for making gas-liquid two-phase state in side
The refrigerant inlet 11a that cryogen flows into, on top there is the gas refrigerant for discharging the gas refrigerant after gas-liquid separation to go out
Mouth 11b, in lower part there is the liquid refrigerant for discharging the liquid refrigerant after gas-liquid separation to export 11c.Container 11 and
Refrigerant inlet 11a is provided with refrigerant and flows into pipe 12, and in gas refrigerant outlet, 11b is provided with gas refrigerant effuser
13, in liquid refrigerant outlet, 11c is provided with liquid refrigerant effuser 14.
As shown in Fig. 2, baffle 15 is equipped with the position opposed with refrigerant inlet 11a in container 11, from refrigerant
Entrance 11a is flowed into the refrigerant of the gas-liquid two-phase state in container 11, is collided with baffle 15 and by gas-liquid separation.
In addition, it is equipped with demister 16 in container 11 and in the position opposed with gas refrigerant outlet 11b.Demister
16 be to be laminated the metal mesh that braiding lametta forms and form.Demister 16 has after by 15 gas-liquid separation of baffle
The function that the drop that gas refrigerant is included removes.
In addition, it is configured with second baffle 18 between demister 16 and gas refrigerant outlet 11b.Second baffle 18 make through
The gas refrigerant for crossing demister 16 is intensively flowed to by the position of gas refrigerant outlet 11b projections, thus suppresses to pass through
The flow velocity of the gas refrigerant of demister 16 locally increases.
Above-mentioned baffle 15 is made of demarcation strip, position edge of the demarcation strip between refrigerant inlet 11a and demister 16
Vertical direction extends, and refrigerant inlet side and demister side are separated, the lower end of the demarcation strip and the bottom of container 11 it
Between be provided with the first opening A1, for by the gas refrigerant after above-mentioned gas-liquid separation and liquid refrigerant to the lower section of demister 16
Space S guiding.
Economizer 4 shown in Fig. 2 uses the structure of the demister 16 of storage rectangular shape in the container 11 of cylindrical shape
Make.Then, the relation of the container shapes of demister shape and economizer is illustrated with reference to Fig. 3 (a), Fig. 3 (b).
Using demister carry out drop removal in the case of, according to it is each removal object physical property, by except
The gas flow rate of day with fog, if exceeding a certain upper limit value, can not separate the liquid component flowed out with the gases there are the limit.
It is taken as that for the refrigerant amount of flowing, there is a situation where the minimum value of required demister area.According to the condition and work
The width of demister and length are substantially determined for the integral layout of refrigeration machine.If it is determined that the width and length of demister, then receive
The size of container of the demister received also can be determined substantially.If considering the Application way in most efficient space, which is length
Cube.
If considering easy degree, the layout of refrigeration machine entirety actually manufactured, container compares conjunction for cylindrical shape sometimes
It is suitable.Fig. 3 (a) represents to be accommodated with the construction of the demister 16 of rectangular shape, Fig. 3 (b) tables in the container 11 of rectangular shape
Show the construction for the demister 16 that rectangular shape is accommodated with the container 11 of cylindrical shape.In view of the utilization in efficient space
Method, the easy degree made, layout of refrigeration machine entirety etc., using the construction of Fig. 3 (a) or the construction of Fig. 3 (b).
In the case of the area of demister to be ensured, consideration makes width narrow and makes the method for extended length, but at this
In the case of, it is difficult to fluid is integrally equably flowed in demister, so that the area of demister can not be effectively utilized.The result is that
Fluid is in local flow, so as to produce the part of the flow velocity increase by demister.If considering to reduce the purpose of short transverse,
Approach the distance of demister and container bottoms.Due to there is a situation where that the liquid after gas-liquid separation is accumulated in container bottoms, because
There is also the limit for the distance of this demister and bottom surface.If in addition, considering this original function of gas-liquid separation, must avoid
Gas side is mixed into the situation of liquid, but must also avoid the situation in hydraulic fluid side entrained gas.In order to make gas be difficult to be mixed into
Hydraulic fluid side, preferably there are a degree of liquid accumulating part.If consider to reduce the size in container height direction, in Fig. 3 (b) institutes
Diameter can only be reduced in the case of the container of the cylindrical shape shown.So the width of demister can be caused also to reduce.In order to make to remove
Day with fog width expansion, demister is configured in the position at the center of the circular cross-section close to container, so that demister and bottom surface
Distance further reduces.As container shapes, there are restriction as described above.
Due to, by gas-liquid separation, needing to set in the container certainly in container：Make the refrigeration of gas-liquid two-phase state
Agent flow into refrigerant inlet, by after gas-liquid separation gas discharge gas vent and by after gas-liquid separation liquid arrange
The liquid outlet gone out.As refrigerant inlet, although simply make the refrigerant of gas-liquid two-phase state from the top of container, lower part,
The either direction of sidepiece flows into, but wants to make the refrigerant of the gas-liquid two-phase state to leave the position of demister as far as possible and flow
Enter or avoid flowing into towards the direction of demister.Therefore as shown in Fig. 2, being set by the dead astern of the entrance in refrigerant
Baffle 15 is put, refrigerant is temporarily collided with baffle 15, so as to obtain the first separation effect of gas-liquid.In addition, using by
Baffle 15 that demarcation strip is formed and two rooms (space) are formed in the container 11.Divide further, since existing in the position
Partition plate, so as to block the flowing for being directly toward demister 16.
Then, carried out with reference to the gas-liquid separation process of Fig. 4 refrigerants carried out to the economizer 4 by forming as shown in Figure 2
Explanation.
As shown in figure 4, the refrigerant of gas-liquid two-phase state flows into pipe 12 via the refrigerant positioned at the side of container 11, and
It is flowed into container from refrigerant inlet 11a, and is collided with baffle 15.By the collision, refrigerant is by gas-liquid separation.By baffle
Gas refrigerant and liquid refrigerant after 15 gas-liquid separations carried out, by between the lower end of baffle 15 and the bottom of container 11
The first opening A1, the space S to the lower section of demister 16 flows into.The liquid refrigerant for being flowed into space S is being accumulated in container 11
Bottom after, export 11c and liquid refrigerant effuser 14 via liquid refrigerant and discharged to outside.On the other hand, flow
The gas refrigerant entered to space S rises together with drop and flows into demister 16, and removes drop in demister 16.From
The gas refrigerant that demister 16 is discharged via gas refrigerant export 11b and gas refrigerant effuser 13 and to outside
Discharge.
Economizer 4 according to Fig. 2 and Fig. 4, the center of container is inserted into due to eliminating in existing economizer
The refrigerant in portion flows into pipe, therefore can reduce the size of the short transverse of economizer, so as to reduce the shape of economizer
Size.It is additionally, since and flows into pipe instead of refrigerant, and baffle 15 is set in the position opposed with refrigerant inlet 11a, therefore from
The refrigerant for the gas-liquid two-phase state that refrigerant inlet 11a is flowed into is collided with high speed and baffle 15.Made by the collision
The gas-liquid separation of cryogen.That is, the first separation effect of gas-liquid carried out by baffle 15 is obtained, obtains being carried out by demister 16 afterwards
Gas-liquid secondary separation effect, so as to improve gas-liquid separation performance.In addition, baffle 15 is made of demarcation strip, which exists
Position between refrigerant inlet 11a and demister 16 extends along vertical direction, and refrigerant inlet side and demister side are divided
Every, therefore the two spaces (room) of refrigerant entrance side and demister side will be divided into by baffle 15 in a container 11.Therefore
The flowing for the refrigerant for being directly toward demister 16 can be blocked.And between the lower end of baffle 15 and the bottom of container 11,
Formed with for refrigerant circulation first opening A1, therefore with baffle 15 collide after refrigerant towards first be open A1 temporarily to
Lower flowing, it is thus possible to make refrigerant reach the lengthening distance of demister 16, so as to make the distance be efficiently used for gas-liquid
Separation.
Fig. 5 is the longitudinal section of the second embodiment for the economizer 4 for representing the utility model.
The economizer 4 of second embodiment shown in Fig. 5, is also equipped with porous plate 17 in addition to baffle 15.That is, in Fig. 5
In shown economizer 4, baffle 15 is equipped with container 11 and in the position opposed with refrigerant inlet 11a, from refrigerant
The refrigerant of the gas-liquid two-phase state that entrance 11a is flowed into container 11 and baffle 15 collide and by gas-liquid separation.In addition, holding
Demister 16 is equipped in device 11 and in the position opposed with gas refrigerant outlet 11b.
In addition, it is configured with second baffle 18 between demister 16 and gas refrigerant outlet 11b.Second baffle 18 makes to lead to
The gas refrigerant for crossing demister 16 is intensively flowed to the position of gas refrigerant outlet 11b projections, is thus suppressed by removing
The flow velocity of the gas refrigerant of day with fog 16 locally becomes larger.
Above-mentioned baffle 15 is made of demarcation strip, position edge of the demarcation strip between refrigerant inlet 11a and demister 16
Vertical direction extends, and refrigerant inlet side and demister side are separated, the lower end of the demarcation strip and the bottom of container 11 it
Between be provided with the first opening A1, for by the gas refrigerant after above-mentioned gas-liquid separation and liquid refrigerant to the lower section of demister 16
Space guiding.
Porous plate 17 is provided with the space below above-mentioned demister 16, lower end edge water of the porous plate 17 from baffle 15
Square to the demister end for extending to more than the side opposite with refrigerant inlet position, by the gas after above-mentioned gas-liquid separation
Cryogen and liquid refrigerant are guided to the space S 1 between the porous plate 17 and the bottom of container 11, are carried out further
Gas-liquid separation, and make the gas refrigerant after the gas-liquid separation be guided by the Kong Erxiang space Ss 2 of porous plate 17, so to except
Day with fog 16 guides.Porous plate 17 by spread all over flat board overall and with uniform spacing (balanced interval) rectangular-shaped plate shaped
Formed into the aperture of specified diameter.
Next, with reference to Fig. 6 refrigerants carried out to the economizer 4 by forming as shown in Figure 5 gas-liquid separation process into
Row explanation.
As shown in fig. 6, the refrigerant of gas-liquid two-phase state flows into pipe 12 via the refrigerant positioned at the side of container 11, from
Refrigerant inlet 11a is flowed into container and is collided with baffle 15.By the collision, refrigerant is by gas-liquid separation.By baffle 15
Gas refrigerant and liquid refrigerant after the gas-liquid separation of progress, by between the lower end of baffle 15 and the bottom of container 11
First opening A1, and it is flowed into the space S 1 of the lower section of porous plate 17.The liquid refrigerant for being flowed into space S 1 is being accumulated in appearance
Behind the bottom of device 11, export 11c and liquid refrigerant effuser 14 via liquid refrigerant and discharged to outside.The opposing party
Face, the gas refrigerant for being flowed into the space S 1 of the lower section of porous plate 17 rises together with drop, and passes through the multiple of porous plate 17
Aperture and be flowed into the space S 2 between demister 16 and porous plate 17 and flow into.It is flowed into the gas refrigerant and drop of space S 2
Rise together and flow into demister 16, and remove drop in demister 16.The gas refrigerant discharged from demister 16, warp
11b and gas refrigerant effuser 13 are exported from gas refrigerant and is discharged to outside.
Economizer 4 according to Fig. 5 and Fig. 6, the center of container is inserted into due to eliminating in existing economizer
The refrigerant in portion flows into pipe, therefore can reduce the size of the short transverse of economizer, so as to reduce the shape of economizer
Size.It is additionally, since and flows into pipe instead of refrigerant and baffle 15 is set in the position opposed with refrigerant inlet 11a, therefore from
The refrigerant for the gas-liquid two-phase state that refrigerant inlet 11a is flowed into, is collided with high speed and baffle 15.Pass through the collision system
The gas-liquid separation of cryogen.That is, the first separation effect of gas-liquid carried out by baffle 15 is obtained, obtains being carried out by demister 16 afterwards
Gas-liquid secondary separation effect, so as to improve gas-liquid separation performance.In addition, baffle 15 is made of demarcation strip, which exists
Position between refrigerant inlet 11a and demister 16 extends along vertical direction, and refrigerant inlet side and demister side are divided
Every, therefore the two spaces of refrigerant entrance side and demister side will be divided into using baffle 15 in a container 11.Therefore can
Block the flowing for the refrigerant for being directly toward demister 16.And between the lower end of baffle 15 and the bottom of container 11, formed
Have make refrigerant circulate first opening A1, therefore with baffle 15 collide after refrigerant towards first be open A1 and temporarily to
Lower flowing, thus enables that the distance of refrigerant arrival demister 16 is elongated, so as to which the distance is efficiently used for gas-liquid
Separation.
Economizer 4 according to Fig. 5 and Fig. 6, by installing porous plate 17, so that with suppressing by from container 11
The effect that refrigerant liquid caused by the refrigerant gas that lower part is flowed towards demister 16 is rolled.Further, since porous plate 17
Also can thus be avoided exceedingly cutting down flowpath face because of porous plate 17 for fluid flow with the first opposed sides of opening A1
Product.Exceedingly cutting down flow path area can cause flow velocity to rise.In addition, suppress to be accumulated in 11 bottom of container using porous plate 17
Liquid level confuses, and can expect that suppress gas is mixed into hydraulic fluid side.In addition, the control as refrigeration machine, in the liquid of control economizer 4
In the case of face, the effect for reducing the degree of difficulty of its controlling can be expected.
Fig. 7 (a), Fig. 7 (b) are the baffle 15 and the sectional view of the relation of container 11 for representing the utility model.
Fig. 7 (a) is baffle 15 used in the first embodiment shown in Fig. 2 and the second embodiment shown in Fig. 5
With the figure of the relation of container 11.As shown in Fig. 7 (a), baffle 15 has the discount vibram outlet shape for cutting away the lower part of plectane.In baffle
It is provided with the first opening A1 between 15 lower end and the inner peripheral surface of container 11, first opening A1 is used to be carried out by baffle 15
The space of gas refrigerant and liquid refrigerant to the lower section of demister 16 after gas-liquid separation guides.
Fig. 7 (b) is the baffle 15 for representing further to implement the baffle 15 shown in Fig. 7 (a) after the processing of cutting away top
With the figure of the relation of container 11.That is, in the baffle 15 shown in Fig. 7 (b), in the lower end of baffle 15 and the inner peripheral surface of container 11
Between be provided with the first opening A1, the second opening A2 is provided between the inner peripheral surface of the upper end of baffle 15 and container 11.
Fig. 8 is the longitudinal section of the economizer 4 of the utility model for representing to possess the baffle 15 shown in Fig. 7 (b).
As shown in Fig. 7 (b) and Fig. 8, by setting the second opening A2 in the upper end of baffle 15, thus make gas refrigerant
Preferentially from the upper flow of baffle 15, so as to suppress the liquid refrigerant volume as caused by the gas refrigerant of the first opening A1
Situation about rising.
With baffle 15 collision after liquid refrigerant and gas refrigerant together with, also from second opening A2 by, but because
The end plate of demister 16 with being installed on the position opposed with the second opening A2 collides, and thus further carries out gas-liquid separation.
This, the end plate of demister 16 is formed with a plate in a manner of being separated with demister 16, to keep demister 16, and to above-mentioned
The space and the space of above-mentioned demister 16 and gas refrigerant effuser side of second opening A2 sides are separated, by baffle 15
Supply flow path of the cryogen to baffle lower flow is formed with the end plate of demister 16.That is, the end plate of demister 16 has gas concurrently
The effect of the separatory third baffle 19 of liquid.Gas refrigerant, liquid refrigerant after being collided with third baffle 19 flow downward.
So far, the embodiment of the utility model is illustrated, but the utility model is not limited to above-mentioned reality
Mode is applied, certainly in the range of its technological thought, can be implemented in a variety of ways.
Claims (6)
- , will for the refrigerant of gas-liquid two-phase state to be carried out gas-liquid separation 1. a kind of economizer, is arranged at centrifugal refrierator The center section guiding of multi-stage compression level of the gas refrigerant to compound compressor, and liquid refrigerant is drawn to evaporator Lead, the economizer is characterized in that possessing：Container, it has：Make the refrigerant inflow of the gas-liquid two-phase state and the refrigeration for the side for being disposed in the economizer Agent entrance, by after gas-liquid separation gas refrigerant discharge and be disposed in the top of the economizer gas refrigerant outlet, And the liquid refrigerant after gas-liquid separation is discharged and is disposed in the liquid refrigerant outlet of the lower part of the economizer；Baffle, it is configured at the position opposed with the refrigerant inlet in the container, for from the refrigerant inlet stream The refrigerant for entering the gas-liquid two-phase state into the container is collided to carry out gas-liquid separation；AndDemister, it is configured at the position opposed with gas refrigerant outlet in the container, by the gas-liquid separation The drop included in gas refrigerant afterwards removes,The baffle is made of demarcation strip, and position of the demarcation strip between the refrigerant inlet and the demister is along vertical Direction extends, and the refrigerant inlet side and the demister side is separated, in the lower end of the demarcation strip and the container Bottom between be provided with the first opening, which is used for the gas refrigerant and liquid refrigerating after the gas-liquid separation Agent is guided to the space of the lower section of the demister.
- 2. economizer according to claim 1, it is characterised in thatThe upper end of the baffle is provided with the second opening, makes the gas refrigeration after the gas-liquid separation that is carried out by the baffle Agent flows into second opening, and via the baffle and as the flow path between the third baffle of demister end plate and to described Demister guides.
- 3. economizer according to claim 1 or 2, it is characterised in thatBe provided with porous plate in the space of the lower section of the demister, the porous plate from the lower end of the baffle in the horizontal direction The position of the demister end of the side opposite with the refrigerant inlet is extended to more than, by the gas after the gas-liquid separation Refrigerant and liquid refrigerant are guided to the space between the bottom of the porous plate and the container, carry out further gas-liquid Separation, and the gas refrigerant after the gas-liquid separation is guided via demister described in the Kong Erxiang of the porous plate.
- 4. economizer according to claim 1 or 2, it is characterised in thatSecond baffle is configured between the demister and gas refrigerant outlet.
- 5. economizer according to claim 3, it is characterised in thatSecond baffle is configured between the demister and gas refrigerant outlet.
- A kind of 6. centrifugal refrierator, it is characterised in thatPossesses the economizer described in any one of Claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-152096 | 2016-08-02 | ||
| JP2016152096A JP6767196B2 (en) | 2016-08-02 | 2016-08-02 | Economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299634U true CN207299634U (en) | 2018-05-01 |
Family
ID=61134145
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720830741.1U Withdrawn - After Issue CN207299634U (en) | 2016-08-02 | 2017-07-10 | Economizer and centrifugal refrierator |
| CN201710556492.6A Active CN107677016B (en) | 2016-08-02 | 2017-07-10 | Economizer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710556492.6A Active CN107677016B (en) | 2016-08-02 | 2017-07-10 | Economizer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6767196B2 (en) |
| CN (2) | CN207299634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677016A (en) * | 2016-08-02 | 2018-02-09 | 荏原冷热系统株式会社 | Economizer |
| CN109140836A (en) * | 2018-11-12 | 2019-01-04 | 大连冷冻机股份有限公司 | Flash Type economizer suitable for refrigeration unit |
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| CN108426392A (en) * | 2018-05-05 | 2018-08-21 | 珠海格力电器股份有限公司 | Refrigerant purifying plant |
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| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| US11129914B1 (en) | 2020-03-19 | 2021-09-28 | Chio Kang Medical, Inc. | Ethylene oxide adsorption tower and recovery system, and method for recovering ethylene oxide |
| WO2022000463A1 (en) | 2020-07-03 | 2022-01-06 | Qiaokang Biotech (Guangdong) Co., LTD. | Mobile sterilization system, mobile execution system, and mobile analysis system |
| WO2022000460A1 (en) | 2020-07-03 | 2022-01-06 | Qiaokang Biotech (Guangdong) Co., LTD. | Container sterilization device and system, assembling method thereof, and use thereof |
| WO2022000464A1 (en) | 2020-07-03 | 2022-01-06 | Qiaokang Biotech (Guangdong) Co., LTD. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
| CN113819684B (en) * | 2021-09-28 | 2022-12-02 | 约克（无锡）空调冷冻设备有限公司 | Economizer and refrigerating system comprising same |
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|---|---|---|---|---|
| JPH0875317A (en) * | 1994-09-07 | 1996-03-19 | Calsonic Corp | Condenser with liquid receiver |
| JP2001099527A (en) * | 1999-09-29 | 2001-04-13 | Hitachi Ltd | Oil separator, freezing cycle using oil separator, closed type scroll compressor and frreezing cycle using scroll compressor |
| JP2002295928A (en) * | 2001-03-30 | 2002-10-09 | Mitsubishi Electric Corp | Oil separator |
| JP2004116343A (en) * | 2002-09-25 | 2004-04-15 | Toshikazu Okuno | Accumulator for cooler compressor |
| JP2008196721A (en) * | 2007-02-08 | 2008-08-28 | Mitsubishi Heavy Ind Ltd | Gas-liquid separator |
| JP5261073B2 (en) * | 2007-08-22 | 2013-08-14 | 荏原冷熱システム株式会社 | Gas-liquid separator, high-temperature regenerator, absorption refrigerator, and absorption heat pump |
| DE102013010510B4 (en) * | 2012-09-06 | 2015-02-19 | Gea Refrigeration Germany Gmbh | Flooded evaporator with integrated liquid separation |
| CN202915616U (en) * | 2012-11-15 | 2013-05-01 | 劳特斯空调(江苏)有限公司 | Separator used behind dry-type unit throttling device |
| CN203385246U (en) * | 2013-05-17 | 2014-01-08 | 山东格瑞德集团有限公司 | Two-level filtering separation structure for refrigerant of flash tank |
| CN203478735U (en) * | 2013-06-20 | 2014-03-12 | 重庆通用工业(集团)有限责任公司 | Economizer for preventing liquid from splashing |
| CN205227949U (en) * | 2015-12-23 | 2016-05-11 | 宁波奥克斯电气股份有限公司 | Vapour and liquid separator of air conditioner |
| JP6767196B2 (en) * | 2016-08-02 | 2020-10-14 | 荏原冷熱システム株式会社 | Economizer |
-
2016
- 2016-08-02 JP JP2016152096A patent/JP6767196B2/en active Active
-
2017
- 2017-07-10 CN CN201720830741.1U patent/CN207299634U/en not_active Withdrawn - After Issue
- 2017-07-10 CN CN201710556492.6A patent/CN107677016B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677016A (en) * | 2016-08-02 | 2018-02-09 | 荏原冷热系统株式会社 | Economizer |
| CN109140836A (en) * | 2018-11-12 | 2019-01-04 | 大连冷冻机股份有限公司 | Flash Type economizer suitable for refrigeration unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107677016A (en) | 2018-02-09 |
| JP2018021692A (en) | 2018-02-08 |
| CN107677016B (en) | 2021-07-09 |
| JP6767196B2 (en) | 2020-10-14 |
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